Opening and closing device of civil defense air-tight door

Abstract

The utility model discloses an opening and closing device of a civil defense air-tight door in the technical field of civil defense air-tight doors, which comprises a door frame, a first door plate and a second door plate hinged to two sides in the door frame, and a control mechanism connected to the first door plate and comprising a control wheel, an adjusting component and an inserting block. The control wheel is connected to one side of the first door plate, the adjusting assembly is connected into the first door plate, the inserting block is connected to the first door plate in a sliding mode, inserting grooves are symmetrically formed in one side of the second door plate, and the inserting block is inserted into the inserting grooves in a matched mode. The civil air defense door has the advantages that through control of the control mechanism, the control wheel is rotated so as to drive the connecting rod to rotate, then the worm gear on the connecting rod drives the worm to rotate so as to achieve linkage of the adjusting assembly, then regulation and control of the inserting connection relation between the inserting block and the inserting groove are achieved, and then opening and closing control over the civil air defense door is achieved; operation is simple and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of civil air-defense closed doors, in particular to an opening and closing device for civil air-defense closed doors. Background Art

[0002] Civil defense, also known as civil defense, is an activity in which the government mobilizes and organizes the masses to take anti-air raid, disaster prevention and relief measures, implement rescue operations, and prevent and reduce the harm of disasters; the civil defense closed door is the closed door at the entrance and exit of the people's defense project.

[0003] In the prior art, most of the civil air defense closed doors on the market currently have too complex internal structures and take too long to open. Once an emergency occurs, the civil air defense closed doors cannot be quickly opened to enter the emergency passage, which is not conducive to people's emergency evacuation. Therefore, there is a need for a civil air defense door that meets civil air defense requirements and is easy to open and close. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the existing civil air defense doors are inconvenient to control the opening and closing.

[0005] In order to achieve the above purpose, the technical solution provided by the utility model is:

[0006] A device for opening and closing a civil airtight door comprises a door frame, wherein a first door panel and a second door panel are hinged on both sides of the door frame, and a control mechanism is further provided, wherein the control mechanism is connected to the first door panel, and the control mechanism comprises a control wheel, an adjustment component and an insert block, wherein the control wheel is connected to one side of the first door panel, the adjustment component is connected inside the first door panel, the insert block is slidably connected to the first door panel, and a slot is symmetrically provided on one side of the second door panel, and the insert block is inserted and adapted in the slot.

[0007] Furthermore, the control wheel is fixedly connected to a connecting rod, a mounting groove is provided in the first door panel, the connecting rod is rotatably extended into the mounting groove, a connecting ring is fixedly connected to the inner wall of the mounting groove, and the connecting rod is rotatably connected to the connecting ring.

[0008] Furthermore, a limiting member is fixedly connected to the connecting rod, a limiting groove is provided on one side of the first door panel, the limiting member is rotatably connected in the limiting groove, a limiting plate is fixedly connected to the connecting rod, and the limiting plate is rotatably fitted to the inner wall of the installation groove.

[0009] Furthermore, a worm wheel is fixedly connected to the connecting rod, mounting plates are symmetrically fixedly connected in the mounting groove, a worm is rotatably connected between the mounting plates, and the worm is meshed with the worm wheel.

[0010] Furthermore, the adjustment component is symmetrically connected to both ends of the worm, and the adjustment component includes a base plate, a screw and a screw tube. The base plate is fixed to the worm, the screw is fixed to the base plate, the screw tube is threadedly connected to the screw, a push rod is fixed to the screw tube, the push rod abuts against the plug block, and the contact surface between the push rod and the plug block is set to an inclined surface.

[0011] Furthermore, the first door panel is symmetrically provided with sliding grooves, the sliding grooves pass through one side of the first door panel, the plug block is slidably adapted in the sliding groove, the screw tube rotates and extends into the sliding groove, connecting grooves are symmetrically provided on both sides of the inner wall of the sliding groove, a spring is fixed in the connecting groove, connecting plates are fixed on both sides of the plug block, and the connecting plates are fixed to the springs.

[0012] Furthermore, a limiting plate is fixedly connected to the screw tube, and the limiting plate fan is symmetrically provided with grooves, and the limiting plate is slidably adapted to be installed in the first door panel between the sliding grooves.

[0013] The beneficial effects achieved by the utility model using the above structure are as follows:

[0014] Through the control of the control mechanism, the control wheel is rotated to drive the connecting rod to rotate, and then the worm gear on the connecting rod drives the worm to rotate to realize the linkage of the adjustment component, thereby realizing the regulation of the plug-in relationship between the plug block and the slot, and then realizing the opening and closing control of the civil defense door. The operation is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the whole machine of the utility model.

[0016] Figure 2 It is a cross-sectional view of the utility model.

[0017] Figure 3 This is a cross-sectional view of the first door panel of the present invention.

[0018] Figure 4 It is a schematic diagram of the control mechanism of the utility model.

[0019] Description of reference numerals:

[0020] 1. Door frame, 2. First door panel, 201. Mounting slot, 202. Slide slot, 203. Connecting slot, 204. Limiting slot, 3. Second door panel, 301. Slot, 4. Control mechanism, 401. Control wheel, 402. Connecting rod, 403. Limiting member, 404. Limiting plate, 405. Connecting ring, 406. Worm gear, 407. Worm, 408. Mounting plate, 5. Adjustment assembly, 501. Bottom plate, 502. Screw, 503. Screw tube, 504. Limiting plate, 505. Groove, 506. Push rod, 507. Insert, 508. Connecting plate, 509. Spring. DETAILED DESCRIPTION

[0021] like Figure 1-4 As shown, an opening and closing device for a civil airtight door includes a door frame 1, wherein a first door panel 2 and a second door panel 3 are hinged on both sides of the door frame 1, and also includes a control mechanism 4, wherein the control mechanism 4 is connected to the first door panel 2, and the control mechanism 4 includes a control wheel 401, an adjustment component 5 and an insertion block 507, wherein the control wheel 401 is connected to one side of the first door panel 2, the adjustment component 5 is connected inside the first door panel 2, the insertion block 507 is slidably connected to the first door panel 2, and a slot 301 is symmetrically provided on one side of the second door panel 3, and the insertion block 507 is plugged and adapted in the slot 301.

[0022] like Figure 2 , 3 As shown, in order to connect the control mechanism 4 to the first door panel 2, the control wheel 401 is fixedly connected to a connecting rod 402, a mounting groove 201 is provided in the first door panel 2, the connecting rod 402 rotates and extends into the mounting groove 201, a connecting ring 405 is fixedly connected to the inner wall of the mounting groove 201, the connecting rod 402 is rotatably connected to the connecting ring 405, a limiting member 403 is fixedly connected to the connecting rod 402, a limiting groove 204 is provided on one side of the first door panel 2, the limiting member 403 is rotatably connected to the limiting groove 204, a limiting plate 404 is fixedly connected to the connecting rod 402, and the limiting plate 404 is rotatably fitted to the inner wall of the mounting groove 201.

[0023] like Figure 2-4As shown, in order to control the linkage between the adjustment components 5, and further control the presence or absence of the plug-in relationship between the plug-in block 507 and the slot 301, a worm wheel 406 is fixedly connected to the connecting rod 402, and a mounting plate 408 is symmetrically fixedly connected in the mounting groove 201. A worm 407 is rotatably connected between the mounting plates 408, and the worm 407 is meshed with the worm wheel 406. The adjustment components 5 are symmetrically connected to both ends of the worm 407. The adjustment components 5 include a bottom plate 501, a screw 502 and a screw tube 503. The bottom plate 501 is fixedly connected to the worm 407, the screw 502 is fixedly connected to the bottom plate 501, the screw tube 503 is threadedly connected to the screw 502, and a top rod 506 is fixedly connected to the screw tube 503, and the top rod 506 abuts against the plug-in block. 507, the contact surface between the push rod 506 and the plug block 507 is set as an inclined plane, the first door panel 2 is symmetrically provided with a slide groove 202, the slide groove 202 runs through one side of the first door panel 2, the plug block 507 is slidably adapted in the slide groove 202, the screw tube 503 rotates and extends into the slide groove 202, the inner wall of the slide groove 202 is symmetrically provided with connecting grooves 203 on both sides, a spring 509 is fixed in the connecting groove 203, connecting plates 508 are fixed on both sides of the plug block 507, the connecting plate 508 is fixed to the spring 509, a limiting plate 504 is fixed on the screw tube 503, the limiting plate 504 is symmetrically provided with a groove 505, the limiting plate 504 is slidably adapted in the mounting groove 201 in the first door panel 2 between the slide groove 202.

[0024] When the utility model is in use, the control wheel 401 is rotated to drive the connecting rod 402 to rotate, and then the worm wheel 406 is driven to rotate, and then the worm 407 is driven to rotate, and then the screw 502 is driven to rotate. Under the limiting action of the limiting plate 504, the screw 502 rotates to drive the screw tube 503 to slide into the slide groove 202, and then the push rod 506 is driven to squeeze the plug block 507, so that the plug block 507 slides out of the slide groove 202 and extends into the slot 301, so as to realize the closing of the first door panel 2 and the second door panel 3. After the control wheel 401 is rotated in the opposite direction, the plug block 507 slides out of the slot 301 under the action of the spring 509 to realize the opening of the first door panel 2 and the second door panel 3. The operation is simple and convenient.

[0025] In summary: In the embodiment of the utility model, through the control of the control mechanism 4, the control wheel 401 is rotated to drive the connecting rod 402 to rotate, and then the worm gear 406 on the connecting rod 402 drives the worm 407 to rotate to realize the linkage of the adjustment component 5, thereby realizing the regulation of the plug-in relationship between the plug block 507 and the slot 301, thereby realizing the opening and closing control of the civil defense door, and the operation is simple and convenient.

[0026] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. An opening and closing device for a civil airtight door, comprising a door frame, wherein a first door panel and a second door panel are hingedly connected on both sides of the door frame, and characterized in that: It also includes a control mechanism, which is connected to the first door panel. The control mechanism includes a control wheel, an adjustment component and an insert block. The control wheel is connected to one side of the first door panel, the adjustment component is connected inside the first door panel, the insert block is slidably connected to the first door panel, and slots are symmetrically provided on one side of the second door panel, and the insert block is plugged into the slots.

2. The opening and closing device of the airtight door for civil air defense according to claim 1, characterized in that: The control wheel is fixedly connected with a connecting rod, a mounting groove is arranged in the first door panel, the connecting rod is rotatably extended into the mounting groove, a connecting ring is fixedly connected with the inner wall of the mounting groove, and the connecting rod is rotatably connected in the connecting ring.

3. The opening and closing device of the airtight door for civil air defense according to claim 2, characterized in that: A limiting piece is fixedly connected to the connecting rod, a limiting groove is provided on one side of the first door panel, the limiting piece is rotatably connected in the limiting groove, a limiting plate is fixedly connected to the connecting rod, and the limiting plate is rotatably fitted to the inner wall of the installation groove.

4. The opening and closing device of the airtight door for civil air defense according to claim 3, characterized in that: A worm wheel is fixedly connected to the connecting rod, mounting plates are symmetrically fixedly connected in the mounting groove, a worm is rotatably connected between the mounting plates, and the worm is meshed with the worm wheel.

5. The opening and closing device of the airtight door for civil air defense according to claim 4, characterized in that: The adjusting assembly is symmetrically connected to both ends of the worm, and comprises a base plate, a screw and a screw tube. The base plate is fixed to the worm, the screw is fixed to the base plate, the screw tube is threadedly connected to the screw, a push rod is fixed to the screw tube, the push rod abuts against an insert block, and the contact surface between the push rod and the insert block is set as an inclined surface.

6. The opening and closing device of the airtight door for civil air defense according to claim 5, characterized in that: The first door panel is symmetrically provided with sliding grooves, the sliding grooves pass through one side of the first door panel, the insert block is slidably adapted in the sliding groove, the screw tube rotates and extends into the sliding groove, connecting grooves are symmetrically provided on both sides of the inner wall of the sliding groove, a spring is fixed in the connecting groove, connecting plates are fixed on both sides of the insert block, and the connecting plates are fixed to the springs.

7. The opening and closing device of the airtight door for civil air defense according to claim 6, characterized in that: The spiral tube is fixedly connected with a limiting plate, and the limiting plate fan is symmetrically provided with grooves. The limiting plate is slidably adapted to the mounting groove in the first door panel and between the sliding grooves.

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