CN114776188A - Easy dismounting's threshold formula people's air defense door alive - Google Patents
Easy dismounting's threshold formula people's air defense door alive Download PDFInfo
- Publication number
- CN114776188A CN114776188A CN202210464155.5A CN202210464155A CN114776188A CN 114776188 A CN114776188 A CN 114776188A CN 202210464155 A CN202210464155 A CN 202210464155A CN 114776188 A CN114776188 A CN 114776188A
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- CN
- China
- Prior art keywords
- air defense
- civil air
- defense door
- door frame
- upper side
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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
- 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
-
- 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
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/70—Sills; Thresholds
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention relates to the technical field of civil air defense doors, and discloses a movable threshold type civil air defense door convenient to assemble and disassemble, which comprises a concrete mechanism, wherein an opening and closing mechanism is arranged on the upper side of the concrete mechanism, the opening and closing mechanism comprises a civil air defense door frame and a civil air defense door body, rotary opening and closing valves are arranged on the front side and the rear side of the civil air defense door body, a positioning clamp slot hole is formed in one side of the civil air defense door body, and a supporting and positioning rod is arranged in the middle of the positioning clamp slot hole. According to the invention, the electric hydraulic cylinder is opened to drive the connecting handle to move upwards, the connecting handle moves upwards to simultaneously move the rotary connecting rod, the connecting support bar and the movable threshold body upwards, and when power failure occurs, the connecting handle is rotated to drive the rotary connecting rod to rotate around the limiting snap ring, so that the connecting handle is rotated to the upper side of the hydraulic jack, and the connecting handle can be manually lifted or lowered through the hydraulic jack, thereby enabling the movable threshold body to move upwards.
Description
Technical Field
The invention relates to the technical field of civil air defense doors, in particular to a movable threshold type civil air defense door convenient to disassemble and assemble.
Background
The civil defense door is a door at the entrance and exit of civil protection engineering, the classification of the civil defense door is more distinct, and the civil defense door comprises various civil defense devices such as a common single-leaf protective airtight door, a double-leaf protective airtight door, an airtight door, a movable threshold single-leaf protective airtight door, a double-leaf protective airtight door, an airtight door and the like, the civil defense is also called civil defense, the civil defense is an international common word, English CIVIL DEFENCE is used as a government actor and an organization crowd, and the activities of preventing air attack and taking disaster-resistant measures to implement rescue actions and prevent and reduce disaster damage are performed. The civil air defense door belongs to civil air defense protective equipment. The civil air defense door movable threshold is characterized in that the threshold is not installed at ordinary times, the ground is smooth, personnel and vehicles can conveniently pass through the civil air defense door movable threshold, and the threshold is quickly installed in the process of imminent war so as to meet the requirements of protection and sealing functions and quickly realize the conversion of the ordinary war function.
And the staff of being not convenient for of current threshold formula people's air defense door mostly installs, has influenced staff's work efficiency greatly, often slower when installing the threshold simultaneously, greatly reduced staff's work efficiency, current people's air defense door only accessible is manual installs simultaneously, can not satisfy staff's demand. Therefore, the person skilled in the art provides a removable doorsill type civil air defense door which is convenient to disassemble and assemble, so as to solve the problems in the background art.
Disclosure of Invention
The invention aims to provide a movable doorsill type civil air defense door convenient to disassemble and assemble so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a movable doorsill type civil air defense door convenient to disassemble and assemble comprises a concrete mechanism, wherein an opening and closing mechanism is arranged on the upper side of the concrete mechanism and comprises a civil air defense door frame and a civil air defense door body, rotary opening and closing valves are arranged on the front side and the rear side of the civil air defense door body, a positioning clamp groove hole is formed in one side of the civil air defense door body, a supporting and positioning rod is arranged in the middle of the positioning clamp groove hole, limiting short columns are arranged on the upper side and the lower side of the supporting and positioning rod, the civil air defense door frame comprises a civil air defense door frame body and a movable doorsill mechanism, a group of first supporting plates are arranged on the front side of the civil air defense door frame body, an electric hydraulic cylinder is arranged on the upper side of the group of first supporting plates, second supporting plates are arranged on the two sides of the civil air defense door frame body, hydraulic jacks are arranged on the upper sides of the second supporting plates, doorsill limiting grooves are formed in the inner side of the civil air defense door frame body, the connection handle groove has all been seted up to the both sides of people's air defense door frame body, activity threshold mechanism is including activity threshold body, the both sides of activity threshold body all are provided with the joint support strip, the upside of joint support strip is provided with spacing snap ring, the upside of spacing snap ring is provided with swivelling joint pole, swivelling joint pole's upside is provided with the connection handle, swivelling joint pole's upside is located and is provided with positioning screw on the connection handle.
As a still further scheme of the invention: the civil air defense door comprises a civil air defense door body, a rotary opening and closing valve, a supporting and positioning rod, a positioning groove hole, a positioning short column and a positioning groove hole, wherein the civil air defense door body is fixedly connected with the rotary opening and closing valve, the supporting and positioning rod is matched with the positioning groove hole, the civil air defense door body is matched with the civil air defense door frame body, and the positioning short column is clamped and embedded in the inner side of the civil air defense door frame body.
As a still further scheme of the invention: people's air defense door frame body and first backup pad fixed connection, first backup pad and electric hydraulic cylinder fixed connection.
As a still further scheme of the invention: the civil air defense door frame body is fixedly connected with the second supporting plate, and the second supporting plate is fixedly connected with the hydraulic jack.
As a still further scheme of the invention: the movable doorsill body is fixedly connected with the connecting support bar, the movable doorsill body is matched with the doorsill limiting groove, and the connecting support bar is fixedly connected with the limiting snap ring.
As a still further scheme of the invention: the rotary connecting rod is rotatably connected with the limiting snap ring, and the rotary connecting rod is rotatably connected with the positioning screw rod.
As a still further scheme of the invention: the connecting handle is fixed on the upper side of the rotary connecting rod through the positioning screw rod, and the connecting handle is embedded in the inner side of the connecting handle groove in a clamping manner.
As a still further scheme of the invention: concrete mechanism includes concrete ground, concrete ground's upside is provided with a set of concrete side and keeps off the wall body, concrete ground's upside is located the centre that a set of concrete side kept off the wall body and has seted up spacing draw-in groove.
As a still further scheme of the invention: concrete ground and concrete side retaining wall body fixed connection, concrete side retaining wall body and civil air defense door frame body phase-match.
As a still further scheme of the invention: the lower side card of people's air defense door frame body inlays in the inboard of spacing draw-in groove.
Compared with the prior art, the invention has the beneficial effects that:
1. the rotary connecting rod is embedded on the upper side of the limiting snap ring, the movable doorsill body is embedded into the inner side of the doorsill limiting groove from the lower side of the civil air defense door frame body, the connecting handle is fixed on the upper side of the rotary connecting rod by rotating the positioning screw rod in the connecting handle groove, so that the installation by workers is facilitated, the civil air defense door body is limited by the supporting positioning rod, the limiting short column is fixed on the civil air defense door frame body, so that the workers can conveniently open or close the civil air defense door body by rotating the civil air defense door body, the civil air defense door body can be opened and closed by rotating the opening and closing valve, when the connecting handle rotates to the upper side of the electric hydraulic cylinder, the electric hydraulic cylinder can be opened to drive the connecting handle to move upwards, the rotary connecting rod, the connecting support bar and the movable doorsill body can simultaneously move upwards by the upward movement of the connecting handle, and the use by the workers is greatly facilitated, under the condition of taking place the outage, rotate and connect the handle, make it to connect the handle to drive swivel connected coupler and rotate round spacing snap ring, make it to connect the handle to go to hydraulic jack's upside, can make through hydraulic jack that the handle is manual to be connected rise or reduce, thereby make activity threshold body rebound, make things convenient for staff's use greatly, can play the supporting role to electric hydraulic cylinder through first backup pad, can play the supporting role to hydraulic jack through the second backup pad.
2. Can play the guard action through concrete ground, can conveniently prevent the downside of door frame body to the people spacing through spacing draw-in groove, can prevent the door frame body to the people and fix through concrete side fender wall body to make things convenient for staff's use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
Fig. 1 is a schematic structural view of a movable doorsill type civil air defense door convenient to disassemble and assemble;
fig. 2 is an exploded view of a movable threshold type civil air defense door which is convenient to disassemble and assemble;
FIG. 3 is a schematic structural view of an opening and closing mechanism in a movable threshold type civil air defense door which is convenient to disassemble and assemble;
FIG. 4 is a schematic structural view of a civil air defense door frame in a movable threshold type civil air defense door which is convenient to disassemble and assemble;
FIG. 5 is a schematic structural view of a movable threshold mechanism in a movable threshold type civil air defense door which is convenient to assemble and disassemble;
fig. 6 is a schematic structural diagram of a concrete mechanism in a movable doorsill type civil air defense door with convenient assembly and disassembly.
In the figure: 1. a concrete mechanism; 11. a concrete floor; 12. a concrete side retaining wall; 13. a limiting clamping groove; 2. an opening and closing mechanism; 21. a civil air defense doorframe; 211. a civil air defense doorframe body; 2111. a first support plate; 2112. an electric hydraulic cylinder; 2113. a second support plate; 2114. a hydraulic jack; 2115. a threshold limiting groove; 2116. a connecting handle slot; 212. a movable threshold mechanism; 2121. a movable threshold body; 2122. connecting a supporting bar; 2123. a limit snap ring; 2124. a rotating connecting rod; 2125. a connecting handle; 2126. positioning a screw rod; 22. a civil air defense door body; 221. rotating the on-off valve; 222. positioning the slot hole; 223. supporting the positioning rod; 224. and a short limiting column.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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 6, in the embodiment of the present invention, a movable threshold type civil air defense door with convenient assembly and disassembly includes a concrete mechanism 1, an opening and closing mechanism 2 is disposed on an upper side of the concrete mechanism 1, the opening and closing mechanism 2 includes a civil air defense door frame 21 and a civil air defense door body 22, rotary opening and closing valves 221 are disposed on front and rear sides of the civil air defense door body 22, a positioning card slot 222 is disposed on one side of the civil air defense door body 22, a supporting and positioning rod 223 is disposed in the middle of the positioning card slot 222, a limiting short column 224 is disposed on upper and lower sides of the supporting and positioning rod 223, the civil air defense door frame 21 includes a civil air defense door frame body 211 and a movable threshold mechanism 212, a set of first supporting plates 2111 is disposed on a front side of the civil air defense door frame body 211, an electric hydraulic cylinder 2 is disposed on an upper side of the set of the first supporting plates 2111, second supporting plates 2113 are disposed on two sides of the civil air defense door frame body 211, hydraulic jacks 2114 are disposed on upper sides of the second supporting plates 2113, threshold limiting grooves 2115 are formed in the inner side of the civil air defense door frame body 211, connecting handle grooves 2116 are formed in the two sides of the civil air defense door frame body 211, the movable threshold mechanism 212 comprises a movable threshold body 2121, connecting support bars 2122 are arranged on the two sides of the movable threshold body 2121, a limiting snap ring 2123 is arranged on the upper side of each connecting support bar 2122, a rotary connecting rod 2124 is arranged on the upper side of each limiting snap ring 2123, a connecting handle 2125 is arranged on the upper side of each rotary connecting rod 2124, and a positioning screw 2126 is arranged on each connecting handle 2125 on the upper side of each rotary connecting rod 2124.
In fig. 1, 2, 3, 4 and 5: the civil air defense door body 22 is fixedly connected with the rotary opening and closing valve 221, the supporting and positioning rod 223 is fixedly connected with the limiting short column 224, the supporting and positioning rod 223 is matched with the positioning slotted hole 222, the civil air defense door body 22 is matched with the civil air defense doorframe body 211, the limiting short column 224 is embedded in the inner side of the civil air defense doorframe body 211, the civil air defense doorframe body 211 is fixedly connected with the first supporting plate 2111, the first supporting plate 2111 is fixedly connected with the electric hydraulic cylinder 2112, the civil air defense doorframe body 211 is fixedly connected with the second supporting plate 2113, the second supporting plate 2113 is fixedly connected with the hydraulic jack 2114, the movable doorsill body 2121 is fixedly connected with the connecting supporting strip 2122, the movable doorsill body 2121 is matched with the doorsill limiting slot 2115, the connecting supporting strip 2122 is fixedly connected with the limiting snap ring 2123, the rotary connecting rod 2124 is rotatably connected with the positioning screw 2126, the connecting handle 2125 is fixed on the upper side of the rotary connecting rod 2124 through the positioning screw 2126, the connecting handle 2125 is embedded in the inner side of the connecting handle groove 2116, the rotating connecting rod 2124 is embedded in the upper side of the limiting snap ring 2123, the movable door sill body 2121 is embedded in the inner side of the door sill limiting groove 2115 from the lower side of the civil air defense door frame body 211, the connecting handle 2125 is fixed on the upper side of the rotating connecting rod 2124 by rotating the positioning screw 2126 in the connecting handle groove 2116, so that the installation by workers is facilitated, the civil air defense door body 22 is limited by the supporting positioning rod 223 and is fixed on the civil air defense door frame body 211 by using the limiting short column 224, so that the workers can open or close by rotating the civil air defense door body 22, the civil air defense door body 22 can be opened and closed by rotating the opening and closing valve 221, when the connecting handle 2125 rotates to the upper side of the electric hydraulic cylinder 2112, the electric hydraulic cylinder 2112 is opened to drive the connecting handle 2125 to move upwards, the connecting handle 2125 moves upwards to enable the rotating connecting rod 2124, the connecting supporting strip 2122 and the movable threshold body 2121 to move upwards at the same time, so that the use of workers is greatly facilitated, when power failure occurs, the connecting handle 2125 is rotated to enable the connecting handle 2125 to drive the rotating connecting rod 2124 to rotate around the limiting snap ring 2123, the connecting handle 2125 rotates to the upper side of the hydraulic jack 2114, the connecting handle 2125 can be manually lifted or lowered through the hydraulic jack 2114, the movable threshold body 2121 moves upwards, the use of the workers is greatly facilitated, the electric hydraulic cylinder 2112 can be supported through the first supporting plate 2111, and the hydraulic jack 2114 can be supported through the second supporting plate 2113.
In fig. 1, 2 and 6: concrete mechanism 1 includes concrete ground 11, concrete ground 11's upside is provided with a set of concrete side and keeps off wall body 12, spacing draw-in groove 13 has been seted up to the upside that concrete ground 11 is located a set of concrete side and keeps off the centre of wall body 12, concrete ground 11 and concrete side keep off wall body 12 fixed connection, concrete side keeps off wall body 12 and civil air defense door frame body 211 phase-match, the downside inlay card of civil air defense door frame body 211 is in the inboard of spacing draw-in groove 13, can play the guard action through concrete ground 11, can conveniently carry on spacingly to the downside of civil air defense door frame body 211 through spacing draw-in groove 13, keep off wall body 12 through the concrete side and can fix civil air defense door frame body 211, thereby make things convenient for staff's use.
The working principle of the invention is as follows: the turning connecting rod 2124 is embedded on the upper side of the limiting snap ring 2123 in a clamping manner, the movable door sill body 2121 is embedded into the inner side of the door sill limiting groove 2115 from the lower side of the civil air defense door frame body 211, the connecting handle 2125 is fixed on the upper side of the turning connecting rod 2124 through the turning positioning screw rod 2126 in the connecting handle groove 2116, so that the installation by workers is facilitated, the civil air defense door body 22 is limited through the supporting positioning rod 223 and is fixed on the civil air defense door frame body 211 through the limiting short column 224, so that the workers can conveniently open or close the civil air defense door body 22 through turning the civil air defense door body 22, the civil air defense door body 22 can be opened or closed through the turning opening and closing valve 221, when the connecting handle 2125 turns to the upper side of the electric hydraulic cylinder 2112, the electric hydraulic cylinder 2112 can be opened to drive the connecting handle 2125 to move upwards, and the connecting handle 2125 can move upwards to enable the turning connecting rod 2124, the door sill 2114, The connecting support bars 2122 and the movable door sill body 2121 move upwards at the same time, so that the use of workers is greatly facilitated, when power failure occurs, the connecting handle 2125 is rotated, the connecting handle 2125 drives the rotary connecting rod 2124 to rotate around the limiting snap ring 2123, the connecting handle 2125 is rotated to the upper side of the hydraulic jack 2114, the connecting handle 2125 can be manually lifted or lowered through the hydraulic jack 2114, so that the movable door sill body 2121 moves upwards, the use of workers is greatly facilitated, the electric hydraulic cylinder 2112 can be supported through the first support plate 2111, the hydraulic jack 2114 can be supported through the second support plate 2113, the protection effect can be achieved through the concrete ground 11, the lower side of the human defense door frame body 211 can be conveniently limited through the limiting snap ring 13, the human defense door frame body 211 can be fixed through the concrete side retaining wall 12, thereby facilitating the use of the staff.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (10)
1. A movable door sill type civil air defense door convenient to disassemble and assemble comprises a concrete mechanism (1) and is characterized in that an opening and closing mechanism (2) is arranged on the upper side of the concrete mechanism (1), the opening and closing mechanism (2) comprises a civil air defense door frame (21) and a civil air defense door body (22), rotary opening and closing valves (221) are arranged on the front side and the rear side of the civil air defense door body (22), a positioning clamp groove hole (222) is formed in one side of the civil air defense door body (22), a supporting and positioning rod (223) is arranged in the middle of the positioning clamp groove hole (222), limiting short columns (224) are arranged on the upper side and the lower side of the supporting and positioning rod (223), the civil air defense door frame (21) comprises a civil air defense door frame body (211) and a movable door sill mechanism (212), a group of first supporting plates (2111) is arranged on the front side of the civil air defense door frame body (211), and an electric hydraulic cylinder (2112) is arranged on the upper side of the first supporting plate (2111), two sides of the civil air defense door frame body (211) are respectively provided with a second supporting plate (2113), a hydraulic jack (2114) is arranged on the upper side of the second supporting plate (2113), a threshold limiting groove (2115) is arranged on the inner side of the civil air defense door frame body (211), both sides of the civil air defense door frame body (211) are provided with connecting handle grooves (2116), the movable threshold mechanism (212) comprises a movable threshold body (2121), connecting support bars (2122) are arranged on two sides of the movable threshold body (2121), a limiting snap ring (2123) is arranged at the upper side of the connecting support bar (2122), a rotary connecting rod (2124) is arranged at the upper side of the limiting snap ring (2123), the upper side of the rotating connecting rod (2124) is provided with a connecting handle (2125), and the upper side of the rotating connecting rod (2124) is provided with a positioning screw rod (2126) on the connecting handle (2125).
2. The doorsill type civil air defense door convenient to assemble and disassemble as claimed in claim 1, wherein the civil air defense door body (22) is fixedly connected with the rotary opening and closing valve (221), the supporting and positioning rod (223) is fixedly connected with the limiting short column (224), the supporting and positioning rod (223) is matched with the positioning clamping groove hole (222), the civil air defense door body (22) is matched with the civil air defense door frame body (211), and the limiting short column (224) is clamped and embedded at the inner side of the civil air defense door frame body (211).
3. The doorsill type civil air defense door convenient to assemble and disassemble according to claim 1, wherein the civil air defense door frame body (211) is fixedly connected with a first supporting plate (2111), and the first supporting plate (2111) is fixedly connected with an electric hydraulic cylinder (2112).
4. The doorsill-type civil air defense door convenient to assemble and disassemble according to claim 1, wherein the civil air defense door frame body (211) is fixedly connected with a second supporting plate (2113), and the second supporting plate (2113) is fixedly connected with a hydraulic jack (2114).
5. The civil air defense door with the movable door threshold convenient to assemble and disassemble as claimed in claim 1, wherein the movable door threshold body (2121) is fixedly connected with the connecting support bar (2122), the movable door threshold body (2121) is matched with the door threshold limiting groove (2115), and the connecting support bar (2122) is fixedly connected with the limiting snap ring (2123).
6. The people's air defense door with the movable door threshold capable of being assembled and disassembled conveniently as claimed in claim 1, wherein the rotary connecting rod (2124) is rotatably connected with the limiting snap ring (2123), and the rotary connecting rod (2124) is rotatably connected with the positioning screw (2126).
7. The people's air defense door with movable door sill capable of being assembled and disassembled conveniently according to claim 1, wherein the connecting handle (2125) is fixed on the upper side of the rotating connecting rod (2124) through a positioning screw rod (2126), and the connecting handle (2125) is embedded in the inner side of the connecting handle groove (2116).
8. The movable doorsill type civil air defense door convenient to assemble and disassemble according to claim 1, wherein the concrete mechanism (1) comprises a concrete ground (11), a group of concrete side retaining walls (12) are arranged on the upper side of the concrete ground (11), and a limiting clamping groove (13) is formed in the middle of the group of concrete side retaining walls (12) on the upper side of the concrete ground (11).
9. The doorsill type civil air defense door convenient to assemble and disassemble according to claim 8, wherein the concrete ground (11) is fixedly connected with the concrete side retaining wall body (12), and the concrete side retaining wall body (12) is matched with the civil air defense door frame body (211).
10. The doorsill type civil air defense door convenient to assemble and disassemble according to claim 8, wherein the lower side of the civil air defense door frame body (211) is embedded in the inner side of the limiting clamping groove (13) in a clamping manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210464155.5A CN114776188B (en) | 2022-04-29 | 2022-04-29 | Valve threshold type civil air defense door convenient to disassemble and assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210464155.5A CN114776188B (en) | 2022-04-29 | 2022-04-29 | Valve threshold type civil air defense door convenient to disassemble and assemble |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114776188A true CN114776188A (en) | 2022-07-22 |
| CN114776188B CN114776188B (en) | 2023-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210464155.5A Active CN114776188B (en) | 2022-04-29 | 2022-04-29 | Valve threshold type civil air defense door convenient to disassemble and assemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114776188B (en) |
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| CN211473891U (en) * | 2019-11-26 | 2020-09-11 | 陕西鑫邦实业发展有限公司 | Steel construction threshold biparting protection sealing door that lives |
| CN211473820U (en) * | 2019-12-04 | 2020-09-11 | 湖北铸城人防工程防护设备有限公司 | Movable doorsill of civil air defense door |
| CN211736851U (en) * | 2019-12-26 | 2020-10-23 | 安徽华诚人防设备有限公司 | Reinforced concrete single-leaf movable threshold civil air defense door |
| CN112814527A (en) * | 2021-03-17 | 2021-05-18 | 宁波市世纪防护设备厂 | Lifting doorsill |
| CN213775106U (en) * | 2020-10-28 | 2021-07-23 | 重庆北鑫机电有限公司 | Civil air defense door with movable doorsill |
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2022
- 2022-04-29 CN CN202210464155.5A patent/CN114776188B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9637912B1 (en) * | 2015-12-10 | 2017-05-02 | Smart Vent Products, Inc. | Flood vent having a panel |
| CN207315153U (en) * | 2017-09-19 | 2018-05-04 | 湖南金钢人防工程设备有限公司 | A kind of closed guard gate with ventilation elevating function |
| CN211473891U (en) * | 2019-11-26 | 2020-09-11 | 陕西鑫邦实业发展有限公司 | Steel construction threshold biparting protection sealing door that lives |
| CN211473820U (en) * | 2019-12-04 | 2020-09-11 | 湖北铸城人防工程防护设备有限公司 | Movable doorsill of civil air defense door |
| CN211736851U (en) * | 2019-12-26 | 2020-10-23 | 安徽华诚人防设备有限公司 | Reinforced concrete single-leaf movable threshold civil air defense door |
| CN213775106U (en) * | 2020-10-28 | 2021-07-23 | 重庆北鑫机电有限公司 | Civil air defense door with movable doorsill |
| CN112814527A (en) * | 2021-03-17 | 2021-05-18 | 宁波市世纪防护设备厂 | Lifting doorsill |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114776188B (en) | 2023-06-30 |
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