CN111485803A - But explosion-proof people's air defense door of interlock formula - Google Patents
But explosion-proof people's air defense door of interlock formula Download PDFInfo
- Publication number
- CN111485803A CN111485803A CN202010345648.8A CN202010345648A CN111485803A CN 111485803 A CN111485803 A CN 111485803A CN 202010345648 A CN202010345648 A CN 202010345648A CN 111485803 A CN111485803 A CN 111485803A
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- Prior art keywords
- door
- air defense
- locking
- hole
- hand wheel
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/12—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 against air pressure, explosion, or gas
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
- E05C9/06—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with three or more sliding bars
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
- E05C9/10—Actuating mechanisms for bars
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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
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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
- E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
- Special Wing (AREA)
Abstract
The invention discloses an internal locking type explosion-proof civil air defense door, which comprises: the door body part is arranged in the middle of the door frame part, when the door is used, the front hand wheel is manually rotated to rotate the gear, so that the sleeve clamp is driven to rotate, the rotating wheel is driven to rotate, the cambered surface sliding block is driven to slide through the rotation of the rotating wheel, the locking rod is driven to move outwards, and the locking rod extends out of the extension hole and is inserted into the locking hole, so that the civil air defense door is locked; when the locking rod needs to be opened, the front hand wheel is rotated anticlockwise so that the rotating wheel is reset, and the cambered surface sliding block is reset through the reset spring, so that the situation that the locking rod is difficult to reset is avoided; the rear hand wheel is pulled outwards manually to separate the gear sleeve inside the sleeve clamp from the gear, and then the front hand wheel is rotated from the outside to prevent the civil air defense door from being opened, so that the civil air defense door is locked and can only be opened from the inside, and the safety is improved.
Description
Technical Field
The invention relates to the technical field of civil protection engineering, in particular to an internal locking type explosion-proof civil air-defense door.
Background
The civil air defense door is a door of an entrance and an exit of civil protection engineering, is classified clearly, comprises various civil air defense devices such as common single-leaf and double-leaf protective airtight doors and airtight doors, a movable threshold single-leaf, double-leaf protective airtight door and the like, and has the functions of preventing air attack, preventing and lightening disaster harm. Most of traditional people's air defense doors are cuboid shapes, are very easy to deform, have poor sealing performance and are easy to open, for example, the Chinese patent with the patent number 201821091020.4 discloses a people's air defense door, the scheme comprises a door frame, a door body hinged with the door frame and a door locking mechanism, the bottom of the door body is fixed with a mounting plate, a rotating shaft is fixed on the mounting plate, a rotating sleeve is sleeved on the rotating shaft, a strip groove is axially arranged along the rotating sleeve, at least one end of the rotating sleeve penetrates through the rotating sleeve, the outer wall of the rotating sleeve is arranged at intervals with the bottom of the door body, a strip plate is arranged on the rotating shaft, the strip groove is positioned at the top of the rotating sleeve and is positioned at the bottom of the door body, and the strip plate is inserted into the. The door has the advantages that the connecting part of the door body and the door frame is not easy to deform, and the door is convenient to open and close;
however, through research on the existing civil air defense door, the sealing effect is poor, the civil air defense door can be opened at will and can only be used as a common civil air defense door, and therefore, the invention of the interlocking type explosion-proof civil air defense door which is not easy to deform and has good sealing performance is urgently needed.
Disclosure of Invention
In order to solve the problems, the invention provides an internal locking type explosion-proof civil air defense door, when in use, a front hand wheel is manually rotated to rotate a gear, so that a sleeve clamp is driven to rotate, a rotating wheel is driven to rotate, a cambered surface sliding block is driven to slide through the rotation of the rotating wheel, and a locking rod is driven to move outwards, so that the locking rod extends out of an extending hole and is inserted into a locking hole, and the civil air defense door is locked; when the locking rod needs to be opened, the front hand wheel is rotated anticlockwise so that the rotating wheel is reset, and the cambered surface sliding block is reset through the reset spring, so that the situation that the locking rod is difficult to reset is avoided; the sealing ring is arranged on the outer side of the civil air defense door body, and the civil air defense door is prevented from water and air inflow through the sealing ring; the rear hand wheel is pulled outwards manually to separate the gear sleeve inside the sleeve clamp from the gear, and then the front hand wheel is rotated from the outside to prevent the civil air defense door from being opened, so that the civil air defense door is locked and can only be opened from the inside, and the safety is improved.
The technical scheme adopted by the invention is as follows: an interlockable explosion vent, comprising: a door frame part and a door body part,
the door frame portion includes: the anti-explosion door comprises an anti-explosion door frame, a cement tank, a locking hole, a connecting device and a rear door device;
the door body portion includes: the civil air defense door comprises a civil air defense door body and a locking device;
a cement groove is arranged on the outer side of the explosion-proof door frame, and a plurality of locking holes are arranged on the inner side of the explosion-proof door frame; one end of the connecting device is connected with the rear end face of the explosion-proof door frame, and the other end of the connecting device is connected with the rear end face of the rear door device; the rear end face of the civil air defense door body is fixedly connected with the front end face of the rear door device; locking device installs inside people's air defense door body, and locking device's locking lever aims at the locking hole, all can lock people's air defense door body or open through hand wheel control locking device in the door with outdoors, when meetting the special circumstances, drives the cover card through outside hand wheel after drawing and outwards removes to make gear sleeve and gear break away from, and then rotate the hand wheel outdoors and can not control people's air defense door and open, only can open people's air defense door in the door.
Preferably, the connecting means of the door frame portion comprises: a fixed hinged support, a rotating rod and a chute;
the fixed hinged support is fixedly arranged on the rear end face of the explosion-proof door frame, and a rotating shaft of the fixed hinged support is rotatably connected with the rear end of the rotating rod; a rotating shaft is arranged in the middle of the rotating rod, a sliding rod is arranged at the front end of the rotating rod, and the sliding rod is slidably arranged in the sliding groove; the front end face of the sliding groove is fixedly arranged on the rear end face of the rear door plate.
Preferably, the rear door device of the door frame portion includes: the rear door plate, the rear hand wheel, the rear handle, the sleeve clamp and the gear sleeve;
a round hole is formed in the middle of the rear door plate, the rear hand wheel is rotatably mounted on the rear end face of the rear door plate, and a rotating shaft of the rear hand wheel penetrates through the hole in the middle of the rear door plate and is fixedly connected with the sleeve clamp; the side of the sleeve clamp is provided with a clamping block, and the inside of the sleeve clamp is provided with a gear sleeve.
Preferably, the door body portion further includes: the front hand wheel, the front handle, the extension hole and the sealing ring;
the front hand wheel is rotatably arranged on the front end face of the civil air defense door body, and the rear end of a rotating shaft of the front hand wheel penetrates through a hole in the middle of the civil air defense door body to be fixedly connected with the gear; the front handle is fixedly arranged on the front end surface of the civil air defense door body; a plurality of extension holes are arranged on the outer side of the civil air defense door body and correspond to the locking holes; the sealing washer is installed in the outside of people's air defense door body.
Preferably, the locking device of the door portion includes: the rotary wheel, the clamping groove, the gear, the cambered surface sliding block, the locking rod, the limiting sleeve and the return spring;
the rotating wheel is rotatably arranged in the civil air defense door body, and a circular groove and a clamping groove are formed in the rotating wheel; the gear is rotatably arranged in the inner circular groove of the rotating wheel; the cambered surface sliding block is connected with the side surface of the rotating wheel in a sliding manner, and the cambered surface sliding block is fixedly connected with the inner end of the locking rod; the locking rod is slidably arranged on the limiting sleeve, and the outer end of the locking rod penetrates through the rectangular hole of the side panel of the limiting sleeve and is placed in the extending hole; the limiting sleeve is fixedly connected with the rear end face of the civil air defense door body, a rectangular hole is formed in the middle of a side panel of the limiting sleeve, and the rectangular hole is aligned with the extending hole; the inner end of the reset spring is fixedly connected with the cambered surface slide block, and the outer end of the reset spring is fixedly connected with the side panel of the limiting sleeve.
Preferably, a rotating shaft of the rear hand wheel penetrates through a hole in the middle of the rear door plate to be fixedly connected with the sleeve clamp, the sleeve clamp and the rear door plate are at a certain distance, and the sleeve clamp can move backwards by pulling the rear hand wheel.
Preferably, the locking hole, the extending hole and the hole of the side panel of the position limiting sleeve correspond to each other.
Preferably, the outer side of the rotating wheel is provided with a plurality of arc-shaped surfaces, and the arc-shaped sliding block is connected with the arc-shaped surfaces on the outer side of the rotating wheel in a sliding manner.
Preferably, the rear door plate and the civil air defense door body are made of special industrial steel plates.
The invention has the beneficial effects that:
(1) make gear revolve through hand rotation preceding hand wheel to drive the cover card and rotate and then drive the runner and rotate, thereby rotate through the runner and drive the cambered surface slider and slide and then drive the locking lever and outwards move, make the locking lever stretch out from the hole of stretching out and insert in the locking hole and then lock the people's air defense door, the operation is simple more convenient, has improved the security performance.
(2) When the locking rod needs to be opened, the front hand wheel is rotated anticlockwise so that the rotating wheel is reset, the cambered surface sliding block is reset through the reset spring, and the situation that the locking rod is difficult to reset is avoided.
(3) The sealing washer is installed in the outside of people's air defense door body, prevents through the sealing washer that people's air defense door is intake and is admitted air.
(4) The rear hand wheel is pulled outwards manually to separate the gear sleeve inside the sleeve clamp from the gear, and then the front hand wheel is rotated from the outside to prevent the civil air defense door from being opened, so that the civil air defense door is locked and can only be opened from the inside, and the safety is improved.
Drawings
Fig. 1, fig. 2, fig. 3 and fig. 4 are schematic overall structural diagrams of the present invention.
Fig. 5, 6 and 7 are schematic structural views of the door frame part of the invention.
Fig. 8, 9 and 10 are schematic structural views of the door portion of the present invention.
Fig. 11 is a partially enlarged structural view of a door portion a1 of the present invention.
Reference numerals:
1-a door frame portion; 2-a door portion; 101-an explosion-proof door frame; 102-a cement pit; 103-locking hole; 104-fixed hinged support; 105-rotating rods; 106-a chute; 107-rear door panel; 108-rear hand wheel; 109-rear handle; 110-set card; 111-gear sleeve; 201-civil air defense door body; 202-front hand wheel; 203-front handle; 204-an outlet hole; 205-sealing ring; 206-a wheel; 207-card slot; 208-gear; 209-cambered surface slider; 210-a locking bar; 211-a stop collar; 212-return spring.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be further noted that the terms "upper", "lower", "front", "back", "left", "right", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are used for convenience of description and simplicity of description only, and do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Embodiments, as shown in fig. 1-11, an interlockable explosion vent, comprising: a door frame portion 1, a door body portion 2,
the door frame portion 1 includes: an explosion-proof door frame 101, a cement tank 102, a locking hole 103, a connecting device and a rear door device;
the door portion 2 includes: a civil air defense door body 201 and a locking device;
the outer side of the explosion-proof door frame 101 is provided with a cement groove 102, the inner side of the explosion-proof door frame 101 is provided with a plurality of locking holes 103, and when the explosion-proof door frame 101 is used, the explosion-proof door frame 101 is embedded into a wall body; one end of the connecting device is connected with the rear end face of the explosion-proof door frame 101, the other end of the connecting device is connected with the rear end face of the rear door device, and the door frame and the door body are connected through the connecting device; the rear end face of the civil air defense door body 201 is fixedly connected with the front end face of the rear door device; the locking device is arranged inside the civil air defense door body 201, the locking rod 210 of the locking device is aligned with the locking hole 103, the locking device can be controlled by hand wheels to lock or unlock the civil air defense door body 201 both inside and outside the door, when special conditions are met, the rear hand wheel 108 is pulled outwards to drive the sleeve clamp 110 to move outwards, so that the gear sleeve 111 and the gear 208 are separated, the hand wheel is rotated outside the door, the opening of the civil air defense door cannot be controlled, and only the civil air defense door can be opened inside the door;
when the device is used, the front hand wheel 202 is manually rotated to rotate the gear 208, so that the sleeve clamp 110 is driven to rotate to drive the rotating wheel 206 to rotate, the cambered surface slide block 209 is driven to slide by the rotation of the rotating wheel 206 to drive the locking rod 210 to move outwards, and the locking rod 210 extends out of the extension hole 204 and is inserted into the locking hole 103 to lock the civil air defense door; when the door needs to be opened, the front hand wheel 202 is rotated anticlockwise so that the rotating wheel 206 is reset, the cambered surface sliding block 209 is reset through the reset spring 212, and then the front handle 203 is pulled manually to pull out the door body part 2 and rotate the door body part to be opened, so that the operation is simpler and more convenient, and the safety performance is improved;
when an emergency happens, a user rotates the rear hand wheel 108 manually to enable the sleeve clamp 110 to rotate so as to enable the rotating wheel 206 to rotate, the rotating wheel 206 rotates to drive the cambered surface sliding block 209 to slide so as to drive the locking rod 210 to move outwards, the locking rod 210 extends out of the extending hole 204 and is inserted into the locking hole 103, then the rear hand wheel 108 is pulled outwards manually to enable the gear sleeve 111 inside the sleeve clamp 110 to be separated from the gear 208, and the front hand wheel 202 is rotated from the outside to prevent the civil air defense door from being opened, so that the civil air defense door is locked and can only be opened from the inside.
In an alternative embodiment of the present invention, as shown in fig. 5, 6 and 7, the connecting device of the door frame portion 1 includes: a fixed hinge base 104, a rotating rod 105 and a sliding groove 106;
the fixed hinged support 104 is fixedly arranged on the rear end surface of the explosion-proof door frame 101, and a rotating shaft of the fixed hinged support 104 is rotatably connected with the rear end of the rotating rod 105; a rotating shaft is arranged in the middle of the rotating rod 105, a sliding rod is arranged at the front end of the rotating rod 105, the sliding rod is slidably arranged in the sliding groove 106, and the civil air defense door can be conveniently opened through the rotation and the sliding of the rotating rod 105; the front end surface of the chute 106 is fixedly mounted on the rear end surface of the rear door panel 107.
The rear door device of the door frame portion 1 includes: a rear door panel 107, a rear hand wheel 108, a rear handle 109, a sleeve clamp 110 and a gear sleeve 111;
a round hole is formed in the middle of the rear door panel 107, the rear hand wheel 108 is rotatably mounted on the rear end face of the rear door panel 107, a rotating shaft of the rear hand wheel 108 penetrates through the hole in the middle of the rear door panel 107 to be fixedly connected with the sleeve clamp 110, and the front end face of the rear door panel 107 is fixedly connected with the rear end face of the civil air defense door body 201; a clamping block is arranged on the side surface of the sleeve clamp 110, a gear sleeve 111 is arranged inside the sleeve clamp 110, and the side clamping block of the sleeve clamp 110 is mutually buckled with the clamping groove 207.
In an alternative embodiment of the present invention, as shown in fig. 8, 9, 10, and 11, the door portion 2 further includes: a front hand wheel 202, a front handle 203, a protruding hole 204 and a sealing ring 205;
the front hand wheel 202 is rotatably installed on the front end face of the civil air defense door body 201, the rear end of a rotating shaft of the front hand wheel 202 penetrates through a hole in the middle of the civil air defense door body 201 to be fixedly connected with the gear 208, the gear 208 rotates by rotating the front hand wheel 202, so that the sleeve clamp 110 is driven to rotate and further the rotating wheel 206 is driven to rotate, the cambered surface sliding block 209 is driven to slide by rotating the rotating wheel 206 so as to drive the locking rod 210 to move outwards, and the locking rod 210 is extended from the extension hole 204 and inserted into the locking hole 103 so as to lock the civil air defense door; the front handle 203 is fixedly arranged on the front end surface of the civil air defense door body 201, and the civil air defense door is opened and closed by manually grasping the front handle 203; a plurality of extending holes 204 are formed in the outer side of the civil air defense door body 201, and the extending holes 204 correspond to the locking holes 103; the sealing ring 205 is installed on the outer side of the civil air defense door body 201, and the civil air defense door is prevented from water inflow and air inflow through the sealing ring 205.
The locking device of the door portion 2 includes: the rotary wheel 206, the clamping groove 207, the gear 208, the cambered surface sliding block 209, the locking rod 210, the limiting sleeve 211 and the return spring 212;
the rotating wheel 206 is rotatably installed in the civil air defense door body 201, a circular groove and a clamping groove 207 are formed in the rotating wheel 206, and the cambered surface sliding block 209 moves through the rotation of the rotating wheel 206; the gear 208 is rotatably mounted in an internal circular groove of the runner 206; the cambered slider 209 is connected with the side surface of the rotating wheel 206 in a sliding manner, and the cambered slider 209 is fixedly connected with the inner end of the locking rod 210; the locking rod 210 is slidably mounted on the stop collar 211, the outer end of the locking rod 210 passes through the rectangular hole of the side panel of the stop collar 211 and is placed in the extension hole 204, and the locking rod 210 is inserted into the extension hole 204 and the locking hole 103 so as to lock the civil air defense door; the limiting sleeve 211 is fixedly connected with the rear end face of the civil air defense door body 201, a rectangular hole is formed in the middle of a side panel of the limiting sleeve 211, and the rectangular hole is aligned with the extending hole 204; the inner end of the return spring 212 is fixedly connected with the cambered slider 209, the outer end of the return spring 212 is fixedly connected with the side panel of the limiting sleeve 211, and when the civil air defense door is opened, the locking rod 210 is reset through the return spring 212.
The rotating shaft of the rear hand wheel 108 penetrates through a hole in the middle of the rear door panel 107 to be fixedly connected with the sleeve clamp 110, a certain distance is reserved between the sleeve clamp 110 and the rear door panel 107, the sleeve clamp 110 can move backwards by pulling the rear hand wheel 108, the gear sleeve 111 inside the sleeve clamp 110 is separated from the gear 208 by pulling the rear hand wheel 108 outwards, and then the civil defense door cannot be opened by rotating the front hand wheel 202 from the outside.
The locking hole 103, the protrusion hole 204 and the hole of the side plate of the position-limiting sleeve 211 correspond to each other.
The outer side of the rotating wheel 206 is provided with a plurality of arc-shaped surfaces, and the arc-shaped sliding block 209 is connected with the outer arc-shaped surface of the rotating wheel 206 in a sliding manner.
The rear door panel 107 and the civil air defense door body 201 are made of special industrial steel plates.
Claims (9)
1. An interlockable explosion vent, comprising: door frame part (1), door body part (2), its characterized in that:
the door frame part (1) comprises: the anti-explosion door comprises an anti-explosion door frame (101), a cement groove (102), a locking hole (103), a connecting device and a rear door device;
the door body portion (2) includes: a civil air defense door body (201) and a locking device;
a cement groove (102) is arranged on the outer side of the explosion-proof door frame (101), and a plurality of locking holes (103) are arranged on the inner side of the explosion-proof door frame (101); one end of the connecting device is connected with the rear end face of the explosion-proof door frame (101), and the other end of the connecting device is connected with the rear end face of the rear door device; the rear end face of the civil air defense door body (201) is fixedly connected with the front end face of the rear door device; locking device installs inside people's air defense door body (201), locking hole (103) are aimed at in locking device's locking lever (210), all can be through hand wheel control locking device with people's air defense door body (201) locking or open in the door and outdoors, when meetting special circumstances, drive sleeve card (110) outside removal through outside hand wheel (108) after drawing, thereby make gear cover (111) and gear (208) break away from, and then rotate the hand wheel outdoors and can not control people's air defense door and open, only can open people's air defense door in the door.
2. An interlocking blast protected personnel air vent according to claim 1, characterized in that said means for attaching said frame portion (1) comprises: a fixed hinged support (104), a rotating rod (105) and a sliding groove (106);
the fixed hinged support (104) is fixedly arranged on the rear end surface of the explosion-proof door frame (101), and a rotating shaft of the fixed hinged support (104) is rotatably connected with the rear end of the rotating rod (105); a rotating shaft is arranged in the middle of the rotating rod (105), a sliding rod is arranged at the front end of the rotating rod (105), and the sliding rod is slidably arranged in the sliding groove (106); the front end surface of the sliding chute (106) is fixedly arranged on the rear end surface of the rear door panel (107).
3. An internally lockable explosion proof personnel screen according to claim 2, characterized in that the back door means of the frame section (1) comprises: the device comprises a rear door panel (107), a rear hand wheel (108), a rear handle (109), a sleeve clamp (110) and a gear sleeve (111);
a round hole is formed in the middle of the rear door plate (107), a rear hand wheel (108) is rotatably mounted on the rear end face of the rear door plate (107), and a rotating shaft of the rear hand wheel (108) penetrates through the hole in the middle of the rear door plate (107) to be fixedly connected with the sleeve clamp (110); the side surface of the sleeve clamp (110) is provided with a clamping block, and the inside of the sleeve clamp (110) is provided with a gear sleeve (111).
4. An interlocking blast protected personnel air vent according to claim 1, wherein said door body section (2) further comprises: the front hand wheel (202), the front handle (203), the extending hole (204) and the sealing ring (205);
the front hand wheel (202) is rotatably arranged on the front end face of the civil air defense door body (201), and the rear end of a rotating shaft of the front hand wheel (202) penetrates through a hole in the middle of the civil air defense door body (201) to be fixedly connected with the gear (208); the front handle (203) is fixedly arranged on the front end surface of the civil air defense door body (201); a plurality of extending holes (204) are formed in the outer side of the civil air defense door body (201), and the extending holes (204) correspond to the locking holes (103); the sealing ring (205) is installed on the outer side of the civil air defense door body (201).
5. An internally lockable explosion proof people screen according to claim 4, characterized in that the locking means of the door body part (2) comprises: the device comprises a rotating wheel (206), a clamping groove (207), a gear (208), an arc slider (209), a locking rod (210), a limiting sleeve (211) and a return spring (212);
the rotating wheel (206) is rotatably arranged in the civil air defense door body (201), and a circular groove and a clamping groove (207) are formed in the rotating wheel (206); the gear (208) is rotatably arranged in an inner circular groove of the rotating wheel (206); the cambered slider (209) is connected with the side surface of the rotating wheel (206) in a sliding manner, and the cambered slider (209) is fixedly connected with the inner end of the locking rod (210); the locking rod (210) is slidably arranged on the limiting sleeve (211), and the outer end of the locking rod (210) penetrates through a rectangular hole of a side panel of the limiting sleeve (211) and is placed in the protruding hole (204); the limiting sleeve (211) is fixedly connected with the rear end face of the civil air defense door body (201), a rectangular hole is formed in the middle of a side panel of the limiting sleeve (211), and the rectangular hole is aligned with the extending hole (204); the inner end of the return spring (212) is fixedly connected with the cambered surface sliding block (209), and the outer end of the return spring (212) is fixedly connected with the side panel of the limiting sleeve (211).
6. The interlocking type explosion-proof people's air defense door according to claim 3 is characterized in that a rotating shaft of the rear hand wheel (108) penetrates through a hole in the middle of the rear door panel (107) to be fixedly connected with the sleeve clamp (110), the sleeve clamp (110) is at a certain distance from the rear door panel (107), and the sleeve clamp (110) can move backwards by pulling the rear hand wheel (108).
7. An internally lockable explosion vent door according to claim 2, characterized in that the locking hole (103), the protrusion hole (204) and the hole of the side panel of the stop collar (211) correspond to each other.
8. The interlocking type explosion-proof people's air defense door of claim 5 is characterized in that a plurality of arc-shaped surfaces are arranged on the outer side of the rotating wheel (206), and the arc-shaped sliding block (209) is in sliding connection with the arc-shaped surfaces on the outer side of the rotating wheel (206).
9. The interlocking type explosion-proof people's air defense door of claim 5 is characterized in that the back door panel (107) and the people's air defense door body (201) are made of special industrial steel plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010345648.8A CN111485803B (en) | 2020-04-27 | 2020-04-27 | But explosion-proof people's air defense door of interlock formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010345648.8A CN111485803B (en) | 2020-04-27 | 2020-04-27 | But explosion-proof people's air defense door of interlock formula |
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| Publication Number | Publication Date |
|---|---|
| CN111485803A true CN111485803A (en) | 2020-08-04 |
| CN111485803B CN111485803B (en) | 2021-09-21 |
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|---|---|---|---|
| CN202010345648.8A Expired - Fee Related CN111485803B (en) | 2020-04-27 | 2020-04-27 | But explosion-proof people's air defense door of interlock formula |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958245A (en) * | 2021-10-09 | 2022-01-21 | 东台市万保安全设备有限公司 | Historical relic storehouse door |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201391116Y (en) * | 2009-04-24 | 2010-01-27 | 宁波永发电子设备有限公司 | Handle capable of idly running and security door with handle |
| CN101985864A (en) * | 2009-07-29 | 2011-03-16 | 冷定刚 | Clutch type protection door locking device |
| AU2015200016B1 (en) * | 2015-01-05 | 2016-07-28 | CHUANG, Pei-Chang | Emergency Scrolling Door Opening Device |
| CN207048633U (en) * | 2017-07-19 | 2018-02-27 | 深圳市圣地保人防有限公司 | A kind of radiation-resistant glass door |
| CN109339622A (en) * | 2018-10-29 | 2019-02-15 | 南京恒威防护设备有限公司 | A kind of automation closed guard gate |
-
2020
- 2020-04-27 CN CN202010345648.8A patent/CN111485803B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201391116Y (en) * | 2009-04-24 | 2010-01-27 | 宁波永发电子设备有限公司 | Handle capable of idly running and security door with handle |
| CN101985864A (en) * | 2009-07-29 | 2011-03-16 | 冷定刚 | Clutch type protection door locking device |
| AU2015200016B1 (en) * | 2015-01-05 | 2016-07-28 | CHUANG, Pei-Chang | Emergency Scrolling Door Opening Device |
| CN207048633U (en) * | 2017-07-19 | 2018-02-27 | 深圳市圣地保人防有限公司 | A kind of radiation-resistant glass door |
| CN109339622A (en) * | 2018-10-29 | 2019-02-15 | 南京恒威防护设备有限公司 | A kind of automation closed guard gate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958245A (en) * | 2021-10-09 | 2022-01-21 | 东台市万保安全设备有限公司 | Historical relic storehouse door |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111485803B (en) | 2021-09-21 |
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