CN113027315A - Airtight rolling slats door - Google Patents
Airtight rolling slats door Download PDFInfo
- Publication number
- CN113027315A CN113027315A CN202110480962.1A CN202110480962A CN113027315A CN 113027315 A CN113027315 A CN 113027315A CN 202110480962 A CN202110480962 A CN 202110480962A CN 113027315 A CN113027315 A CN 113027315A
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- Prior art keywords
- curtain cloth
- cloth
- air bag
- curtain
- door
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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
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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
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B19/00—Arrangements or adaptations of ports, doors, windows, port-holes, or other openings or covers
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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
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
- E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
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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
- 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
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
The invention relates to the field of roller shutter door equipment, in particular to an airtight roller shutter door, which comprises a curtain cloth, a door frame, a wind-up roller, a driving roller and a driving device used as a power source, the wind-up roll is in synchronous transmission connection with the driving roll, the cord fabric can be wound on the wind-up roll in a winding way, the lateral two sides of the curtain cloth are provided with sprockets extending along the lateral part of the curtain cloth, the axial two sides of the driving roller are provided with sprockets matched with the sprockets, the curtain cloth is contacted with the driving roller when being wound/unwound, the sprockets at the lateral two ends of the curtain cloth are meshed with the sprockets on the sprockets for transmission, the inner side end surface of the door frame is provided with a chute for the curtain to slide up and down, an air bag for sealing extending along the chute is embedded in the chute, and after the air bag is inflated, the air bag enables two sides of the curtain cloth to abut against the sliding groove to form a sealing structure in the door frame. This technical scheme has solved the not enough problem of current rolling slats door seal structure stability.
Description
Technical Field
The invention relates to the field of roller shutter door equipment, in particular to an airtight roller shutter door.
Background
The traditional rolling door is characterized in that a plurality of movable door sheets are connected in series, an upper rolling shaft above the door rotates to form an upper door and a lower door in a fixed slideway, the rolling door plays a role of horizontal separation like a wall, and the rolling door comprises a curtain board, a seat board, a guide rail, a support, a rolling shaft, a box body, a control box, a rolling door machine, a limiter, a door head, a manual quick-release switch device, a button switch, a safety device and the like.
In some specific cases, some rolling doors need to be airtight, as shown in CN 207609363U, a marine electric airtight rolling door includes a box body fixedly mounted on an upper deck of a ship hatch, a rotating shaft rotating around its own axis and a driving motor driving the rotating shaft to rotate are mounted in the box body, and a rolling sheet is wound on the rotating shaft and is retracted along with the rotation of the rotating shaft; guide rails are arranged on two sides of the ship hatch, and two sides of the rolling shutter move along the guide rails; sealing strips are arranged between the rolling shutter and the outlet of the box body, between the guide rail and the lower deck of the ship hatch. According to the technical scheme, the sealing strips are arranged around the rolling shutter pieces to achieve the sealing effect.
Firstly, the sealing between the rolling sheets cannot be ensured by improving the traditional rolling door in the technical scheme, and the traditional rolling door sheet is of a rigid structure and has certain quality, so that the rolling door is inconvenient to install and transport; meanwhile, the rolling shutter sheet is only rotated by one rotating shaft to be folded and unfolded, and the rising and falling flatness of the rolling shutter sheet cannot be guaranteed, so that the situation that the matching between the rolling shutter sheet and a sealing strip on the rolling shutter sheet is not tight enough possibly exists, and the integral sealing performance of the rolling shutter door is influenced.
Disclosure of Invention
Therefore, the invention provides an airtight rolling door, which solves the problem of insufficient stability of the sealing structure of the existing rolling door.
In order to achieve the purpose, the invention is realized by the following technical scheme:
an airtight roller shutter door comprises a curtain cloth, a door frame, a wind-up roller, a driving roller and a driving device used as a power source, wherein the wind-up roller is in synchronous transmission connection with the driving roller, the curtain cloth can be wound on the wind-up roller, chain teeth extending along the lateral part of the curtain cloth are arranged on the two lateral sides of the curtain cloth, chain wheels matched with the chain teeth are arranged on the two axial sides of the driving roller, the door frame is arranged below the wind-up roller, the curtain cloth is in contact with the driving roller when being wound/unwound, the chain teeth at the two lateral ends of the curtain cloth are in meshing transmission with the chain teeth on the chain wheels, a chute used for the curtain cloth to slide up and down is arranged on the inner side surface of the door frame, a sealed air bag extending along the chute is embedded in the chute, an inflation and deflation device is arranged on the air bag, the inflation and deflation, the air bag enables two sides of the curtain cloth to abut against the sliding groove to form a sealing structure in the door frame;
the bottom seal structure who seals with being used for curtain cloth and mounted position ground is installed to the bottom of curtain cloth, bottom seal structure includes the airtight lip limit, the airtight lip limit includes the edge the sealed arch of curtain cloth surface both sides and slant downwardly extending and the junction between two sealed archs are the interior recess of upwards caving in, work as when airtight lip limit and ground contact, the angle of interior recess enlarges, and two sealed archs take place deformation and ground contact and form the airtight connection of bottom position.
Preferably, the teeth have the same structure as the teeth on the sprocket, each of the teeth has a tooth root portion with a large width and an outwardly extending tooth tip portion, each of edges of the tooth root portion and the tooth tip portion has an inwardly inclined portion, and the teeth are arranged opposite to the inclined portions on the teeth so as to mesh with each other during contact.
Preferably, the driving roller is erected at the front end of the winding roller, and the contact surface of the curtain cloth and the driving roller is not smaller than 1/4 on the surface of the driving roller.
Preferably, the bottom sealing mechanism is replaced by a bottom groove and a bottom airbag embedded in the bottom groove, the bottom airbag is connected to the air pump, and when the bottom of the curtain cloth is embedded in the bottom groove, the bottom airbag is inflated to enable the bottom of the curtain cloth to abut against the bottom groove to form bottom sealing.
Preferably, the bottom end airbag and the airbag are integrally formed.
Preferably, when the roller shutter door is closed, the curtain cloth is provided with transverse side parts for arranging chain teeth, a transverse middle section positioned between the two transverse side parts, a longitudinal top part arranged at the top end of the curtain cloth and a longitudinal bottom part arranged at the bottom end of the curtain cloth, the transverse middle section of the curtain cloth is of an inflatable structure and comprises an upper layer base cloth and a lower layer base cloth which have air tightness, the upper layer base cloth and the lower layer base cloth are fixedly connected through a plurality of stay wires, the longitudinal top part of the curtain cloth and the upper layer base cloth and the lower layer base cloth on the longitudinal bottom part are sealed with each other, at least one of the upper layer base cloth and the lower layer base cloth is provided with an inflation hole, the inflation hole is communicated with an inflation pipe, and an inflation valve is arranged on the inflation pipe and is connected with the air pump.
By adopting the technical scheme, the invention has the beneficial effects that:
the curtain fabric is made of a material which can be curled and has air tightness, and compared with the traditional curtain sheet, the curtain fabric is used as the curtain rolling door body, so that the curtain rolling door has the advantages of light weight of flexible materials and easiness in storage, and the sealing performance of door body parts can be better ensured;
meanwhile, through an air bag for sealing arranged in the door frame and a bottom end sealing mechanism at the bottom of the curtain cloth, when the rolling door is in a closed state, the peripheral sides of the curtain cloth are in a sealed state, and when the rolling door is closed, the air bag is inflated to enable two sides of the curtain cloth to abut against the sliding groove to form sealing;
the matching of the zipper teeth and the zipper teeth is adopted when the curtain cloth is lifted, so that the two ends of the curtain cloth can be always kept in a horizontal state when the curtain cloth is lifted, and meanwhile, the curtain cloth can run more stably due to the fact that the two transverse ends of the curtain cloth are provided with the limiting of the zipper teeth and the zipper teeth, so that the curtain cloth can always keep good flatness when the curtain cloth is lifted and lowered, the matching of the curtain cloth and sealing structures in connecting components such as a door frame and the like is more stable, and the integral sealing performance of the rolling door is guaranteed;
when the bottom sealing mechanism at the bottom of the cord fabric adopts the airtight lip edge, the angle of the inner concave part is enlarged along with the contact of the airtight lip edge and the ground, and the two sealing bulges are deformed to contact with the ground to form airtight connection at the bottom position;
meanwhile, the bottom sealing mechanism at the bottom of the curtain cloth can be set to be similar to the sealing structure of the door frame, the bottom and the side air bags are integrally formed during manufacturing, the air bags at the two positions are acted simultaneously when the air pump operates, and after the bottom of the curtain cloth enters the bottom groove, the side edges and the bottom edges of the curtain cloth are abutted against the corresponding groove walls to form the sealing structure under the combined action of the air bags at the two positions, so that the sealing effect of the structure is better and consistent.
Drawings
FIG. 1 is a schematic side view of an overall structure according to a first embodiment of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a schematic structural view of a portion A of an inflated airbag in accordance with an embodiment of the present invention;
FIG. 4 is a schematic front view of a first embodiment of the present invention;
FIG. 5 is a schematic view of a fastener element and a tooth in accordance with an embodiment of the present invention;
FIG. 6 is a schematic structural view of a curtain fabric according to an embodiment of the present invention;
FIG. 7 is a cross-sectional view of a cord fabric according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a second embodiment of the present invention.
Detailed Description
The following detailed description will be provided for the embodiments of the present invention with reference to specific embodiments, so that how to apply the technical means to solve the technical problems and achieve the technical effects can be fully understood and implemented.
Example one
Referring to fig. 1 to 7, an airtight roller shutter door comprises a curtain cloth 1, a door frame 2, a wind-up roller 3, a driving roller 4 and a driving device as a power source, wherein the wind-up roller 3 is in synchronous transmission connection with the driving roller 4, the curtain cloth 1 can be wound on the wind-up roller 3 in a winding manner, two transverse sides of the curtain cloth 1 are provided with sprockets 11 extending along the lateral parts thereof, two axial sides of the driving roller 4 are provided with sprockets 41 adapted to the sprockets 11, the door frame 2 is arranged below the wind-up roller 3, the curtain cloth 1 is in contact with the driving roller 4 during winding/unwinding, the sprockets 11 at two transverse ends of the curtain cloth 1 are in meshing transmission with the sprockets 41 on the sprockets, a chute 21 for vertical sliding of the curtain cloth 1 is arranged on the inner side surface of the door frame 2, a sealing airbag 5 extending along the chute 21 is embedded in the chute 21, the air bag 5 is provided with an inflation and deflation device, the inflation and deflation device is connected with an air pump for inflating the air bag 5, and after the air bag 5 is inflated, the air bag 5 supports the two sides of the curtain cloth 1 against the sliding grooves 21 to form a sealing structure in the door frame 2;
the bottom end sealing structure comprises an airtight lip edge 6, the airtight lip edge 6 comprises sealing bulges 61 which extend downwards along two sides of the surface of the curtain cloth in an inclined mode and an inner concave part 62 which is concave upwards at the connecting position between the two sealing bulges 61, when the airtight lip edge 6 is in contact with the ground, the angle of the inner concave part 62 is enlarged, and the two sealing bulges 61 are deformed to be in contact with the ground to form airtight connection at the bottom end position;
specifically, the curtain cloth 1 is made of a material which can be curled and has air tightness, and compared with the traditional rolling curtain sheet, the curtain cloth 1 is used as the rolling curtain door body, so that the rolling curtain door body has the advantages of light weight and easiness in storage of flexible materials, and the sealing performance of door body parts can be better ensured;
meanwhile, through the air bag 5 which is arranged in the door frame 2 and used for sealing and the bottom end sealing mechanism at the bottom of the curtain cloth 1, when the rolling door is closed, the peripheral sides of the curtain cloth 1 are in a sealing state, and when the rolling door is closed, the air bag 5 is inflated to enable the two sides of the curtain cloth 1 to abut against the sliding groove 2 to form sealing;
the curtain cloth 1 is lifted by matching the zipper teeth 11 with the zipper teeth 41, so that the two ends of the curtain cloth 1 can be always kept in a horizontal state, and meanwhile, the transverse two ends of the curtain cloth 1 are respectively provided with the zipper teeth 11 and the zipper teeth 41 for limiting, so that the curtain cloth 1 can run more stably, the curtain cloth 1 can be kept in good flatness all the time when being lifted and lowered, the curtain cloth 1 can be matched with sealing structures in connecting components such as a door frame 2 more stably, and the overall sealing performance of the roller shutter door can be ensured;
when the bottom sealing mechanism at the bottom of the cord fabric 1 adopts the airtight lip edge 6, the angle of the inner concave part 62 of the airtight lip edge 6 is enlarged along with the contact of the airtight lip edge 6 and the ground, and the two sealing bulges 61 are deformed to contact with the ground to form airtight connection at the bottom position, so that the mode has a simple structure and is easy to install, a double sealing structure is not required to be additionally arranged on the bottom surface of the cord fabric 1, and the airtight lip edge 6 automatically achieves the sealing at the bottom position of the cord fabric 1 according to the self weight of the;
in this embodiment, the teeth 11 and the teeth 41 on the sprocket have the same structure, each having a tooth root portion a with a larger width and a tooth crest portion b extending outward, the edges of the tooth root portion a and the tooth crest portion b each having an inclined portion c inclined inward, the teeth 11 and the inclined portions c on the teeth 41 being disposed opposite to each other so that they mesh with each other during contact; the inclined part c is arranged, so that the engagement between the chain tooth 41 and the chain tooth 11 is smoother when the chain wheel rotates, the chain tooth 11 and the inclined part c on the chain tooth 41 are close to each other and have a certain guiding function when the chain wheel is engaged, further, the engagement rotation is gradually formed along with the rotation of the driving roller 4, and meanwhile, a certain pulling effect is also exerted on the chain tooth 11 along with the continuous rotation of the driving roller 4; meanwhile, as the driving roller 4 and the winding roller 3 are in synchronous transmission connection, the winding roller 3 cannot generate overlarge tension on the sprocket 11 structure to cause the cord fabric 1 to deform under stress during winding, and cannot cause the cord fabric 1 to wrinkle due to the fact that the winding speed is too slow due to the fact that the tension is too small;
in this embodiment, the driving roller 4 is arranged at the front end of the wind-up roller 3, and the contact surface of the curtain cloth 1 and the driving roller 4 is not smaller than 1/4 on the surface of the driving roller 4; specifically, the radial sizes of the roller shafts of the driving roller 4 and the winding roller 3 are equivalent, and the driving roller 4 and the winding roller are arranged on the same horizontal plane, so that the contact surface of the curtain cloth 1 and the driving roller 4 is 1/4 on the surface of the driving roller 4, which is to ensure that enough zipper teeth 41 and zipper teeth 11 are meshed, and further ensure the stability and the flatness of the curtain cloth 1 during ascending and descending; it should be noted that, when the driving roller 4 is located below the front end of the wind-up roller 3, the contact surface of the curtain cloth 1 and the surface of the driving roller 4 is relatively small, and the number of the simultaneously engaged zipper teeth 41 and 11 may be insufficient to meet the requirement of the flatness;
the applicant has a prior application CN112549558A, and by this reason, when the rolling blind is closed, the curtain cloth 1 is defined as having a lateral side portion 1a for disposing the sprocket 11, a lateral middle portion 1b between the lateral side portions 1a, a longitudinal top portion 1c disposed at the top end of the curtain cloth 1, and a longitudinal bottom portion 1d at the bottom end of the curtain cloth 1, the lateral middle portion 1b of the curtain cloth 1 is of an inflatable structure and includes an upper base cloth 101 and a lower base cloth 102 having air tightness, the upper base cloth 101 and the lower base cloth 102 are fixedly connected by a plurality of stay wires 103, the longitudinal top portion 1c of the curtain cloth 1 and the upper base cloth 101 and the lower base cloth 102 at the position of the longitudinal bottom portion 1d are sealed with each other, at least one of the upper base cloth 101 or the lower base cloth 102 is provided with an inflation hole, the inflation hole is communicated with an inflation tube 103, the inflation tube 103 is provided with an inflation valve (not shown in the figure), the inflation valve is connected with the air pump; specifically, in order to ensure that the air inflation effect does not affect winding and unwinding, the inflation valve is arranged outside the winding roller 3, and the inflation tube is embedded in the winding roller 3 and extends outwards from the axial end part of one side of the winding roller 3; after the curtain cloth 1 is descended and the bottom and the side edges of the curtain cloth are sealed, the transverse middle section 1b of the curtain cloth 1 can be inflated through the inflation tube 103, so that a three-dimensional structure is formed by a plane structure, and due to the special wiredrawing structure, the structural stability after inflation is strong and the sealing of the side parts and the bottom is not influenced;
example two
Referring to fig. 8, compared with the first embodiment, in the present embodiment, the bottom sealing mechanism is replaced by a bottom groove 7 and a bottom airbag 71 embedded in the bottom groove 7, the bottom airbag 71 is connected to the air pump, when the bottom of the curtain cloth 1 is embedded in the bottom groove 7, the bottom airbag 71 inflates to press the bottom of the curtain cloth 1 against the bottom groove 7 to form a bottom seal, and meanwhile, the bottom airbag 71 and the airbag 5 are integrally formed;
specifically, the bottom sealing mechanism of the bottom of the curtain cloth 1 is set to be similar to the sealing structure of the door frame 2 in the embodiment, the bottom and the air bags at the two positions of the side are integrally formed during manufacturing, and then the air bags at the two positions are simultaneously acted when the air pump operates, after the bottom of the curtain cloth 1 enters the bottom groove 7, the side edges and the bottom edges of the curtain cloth 1 are abutted against the corresponding groove walls to form the sealing structure under the combined action of the air bags at the two positions, and the sealing effect of the structure is better and consistent.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. An airtight rolling slats door which its characterized in that: comprises a curtain cloth, a door frame, a wind-up roll, a driving roll and a driving device as a power source, wherein the wind-up roll is in synchronous transmission connection with the driving roll, the curtain cloth can be wound on the winding roller in a winding way, the two transverse sides of the curtain cloth are provided with sprockets extending along the side parts of the curtain cloth, chain wheels matched with the chain teeth are arranged on two axial sides of the driving roller, the door frame is arranged below the winding roller, the curtain cloth is contacted with the driving roller when winding/unwinding, the chain teeth on two transverse ends of the curtain cloth are in meshed transmission with the chain teeth on the chain wheels, the inner side end surface of the door frame is provided with a chute for the curtain to slide up and down, an air bag for sealing extending along the chute is embedded in the chute, the air bag is provided with an inflation and deflation device which is connected with an air pump for inflating the air bag, after the air bag is inflated, the air bag enables two sides of the curtain cloth to abut against the sliding groove to form a sealing structure in the door frame;
the bottom seal structure who seals with being used for curtain cloth and mounted position ground is installed to the bottom of curtain cloth, bottom seal structure includes the airtight lip limit, the airtight lip limit includes the edge the sealed arch of curtain cloth surface both sides and slant downwardly extending and the junction between two sealed archs are the interior recess of upwards caving in, work as when airtight lip limit and ground contact, the angle of interior recess enlarges, and two sealed archs take place deformation and ground contact and form the airtight connection of bottom position.
2. The gas-tight rolling door of claim 1, wherein: the chain tooth and the chain tooth on the chain wheel are identical in structure and are provided with tooth root parts with large width and tooth top parts extending outwards, the edges of the tooth root parts and the tooth top parts are respectively provided with inclined parts inclining inwards, and the chain tooth and the inclined parts on the chain tooth are arranged oppositely so that the chain tooth and the chain tooth are meshed with each other in a contact process.
3. The gas-tight rolling door of claim 2, wherein: the driving roller is erected at the front end of the winding roller, and the contact surface of the curtain cloth and the driving roller is not smaller than 1/4 on the surface of the driving roller.
4. The gas-tight rolling door of claim 1, wherein: the bottom sealing mechanism is replaced by a bottom groove and a bottom air bag embedded in the bottom groove, the bottom air bag is connected to the air pump, and when the bottom of the curtain cloth is embedded in the bottom groove, the bottom air bag is inflated to enable the bottom of the curtain cloth to abut against the bottom of the bottom groove to form bottom sealing.
5. The gas-tight rolling door of claim 4, wherein: the bottom air bag and the air bag are integrally formed.
6. A gas-tight rolling door according to any one of claims 1 to 5, wherein: defining when the roller shutter door is closed, the curtain cloth has the horizontal lateral part that is used for setting up the sprocket, is located the horizontal middle section between two horizontal lateral parts, locates the vertical top on curtain cloth top and the vertical bottom of curtain cloth bottom, the horizontal middle section of curtain cloth is the physiosis formula structure, and it is including the upper base cloth and the lower floor base cloth that have the gas tightness, through a plurality of stay cord line fixed connection between upper base cloth and the lower floor base cloth, the vertical top of curtain cloth and the upper base cloth and the lower floor base cloth of vertical bottom position are sealed each other, at least one in upper base cloth or the lower floor base cloth is equipped with the inflation hole, and the inflation hole communicates an inflation pipe, be equipped with the inflation valve on the inflation pipe, the inflation valve with the air pump is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110480962.1A CN113027315A (en) | 2021-04-30 | 2021-04-30 | Airtight rolling slats door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110480962.1A CN113027315A (en) | 2021-04-30 | 2021-04-30 | Airtight rolling slats door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113027315A true CN113027315A (en) | 2021-06-25 |
Family
ID=76454816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110480962.1A Pending CN113027315A (en) | 2021-04-30 | 2021-04-30 | Airtight rolling slats door |
Country Status (1)
| Country | Link |
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| CN (1) | CN113027315A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113969736A (en) * | 2021-11-02 | 2022-01-25 | 广安市人民医院 | Negative pressure shelter airtight door |
| CN113968309A (en) * | 2021-11-24 | 2022-01-25 | 安徽隆润高分子材料有限公司 | Assault boat with automatic winding function |
| CN115234154A (en) * | 2022-07-25 | 2022-10-25 | 周伟 | Large-span self-walking flexible stacking door |
| CN116914579A (en) * | 2023-09-07 | 2023-10-20 | 河南澳美电气有限公司 | Integrated switch board of electrical apparatus |
-
2021
- 2021-04-30 CN CN202110480962.1A patent/CN113027315A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113969736A (en) * | 2021-11-02 | 2022-01-25 | 广安市人民医院 | Negative pressure shelter airtight door |
| CN113968309A (en) * | 2021-11-24 | 2022-01-25 | 安徽隆润高分子材料有限公司 | Assault boat with automatic winding function |
| CN113968309B (en) * | 2021-11-24 | 2022-05-13 | 安徽隆润高分子材料有限公司 | Assault boat with automatic winding function |
| CN115234154A (en) * | 2022-07-25 | 2022-10-25 | 周伟 | Large-span self-walking flexible stacking door |
| CN115234154B (en) * | 2022-07-25 | 2023-11-14 | 湖州恒辉科技有限公司 | Large-span self-walking flexible stacking door |
| CN116914579A (en) * | 2023-09-07 | 2023-10-20 | 河南澳美电气有限公司 | Integrated switch board of electrical apparatus |
| CN116914579B (en) * | 2023-09-07 | 2024-01-16 | 河南澳美电气有限公司 | Integrated switch board of electrical apparatus |
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