CN220726134U

CN220726134U - Civil air defense door with slide rail

Info

Publication number: CN220726134U
Application number: CN202322245762.5U
Authority: CN
Inventors: 陈少江; 林振邦; 胡彦; 高丰
Original assignee: Guangdong Civil Defense Architecture Design Institute Co ltd
Current assignee: Guangdong Civil Defense Architecture Design Institute Co ltd
Priority date: 2023-08-18
Filing date: 2023-08-18
Publication date: 2024-04-05
Anticipated expiration: 2033-08-18

Abstract

The utility model discloses a civil air defense door with sliding rails, which relates to the field of civil air defense doors and comprises a door frame, wherein grooves are formed in the upper side and the lower side of the door frame, each groove is rotatably connected with the front end and the rear end of two pulleys through bearings, and four pulleys are connected with two sliding ways in a sliding mode in a group mode. According to the utility model, the supporting device and the sealing rubber ring are arranged on the rear side surface of the protective door, and the rotary table arranged on the supporting device is rotated, so that the two telescopic connecting rods stretch to drive the protective door to move forwards and backwards, meanwhile, the sliding block and the sliding rail on the lower side of the protective door support the protective door, so that the damage to the supporting device caused by overweight of the protective door, the abrasion of the sealing rubber ring on the rear side surface of the protective door and the friction of a wall body when a user moves the door frame and the protective door is avoided, and meanwhile, the sealing rubber ring in close contact with the sealing rubber ring can effectively isolate water and gas, and the problem of poor sealing effect of the conventional civil air-defense door device with the sliding rail is solved.

Description

Civil air defense door with slide rail

Technical Field

The utility model relates to a civil air defense door, in particular to a civil air defense door with a sliding rail.

Background

The civil air defense door is a door required for preventing air attack, resisting disaster and reducing disaster damage, is widely applied to the air vent channels and basements, and has higher requirements on the impact resistance and strength of the civil air defense door. However, due to the heavy weight of the civil air defense door, people need to install a sliding rail on the civil air defense door to help the civil air defense door to move rapidly.

When the prior civil air defense door with the sliding rail is used, the prior civil air defense door has some defects and shortcomings, and the specific parts needing improvement are as follows

The existing civil air defense door with the sliding rail is usually provided with a sealing rubber ring, but because of the working principle that the civil air defense door slides left and right on the sliding rail, the sealing rubber ring is easy to wear when a user opens and closes the protective door, and meanwhile, the sealing rubber ring cannot be tightly attached to a door frame when the protective door is closed, and water and gas cannot be effectively isolated.

Disclosure of Invention

The utility model aims to provide a civil air defense door with a sliding rail, which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a people's air defense door with slide rail, includes the door frame, both sides all set up flutedly about the door frame, and every recess all passes through bearing rotation with both ends around two pulleys and be connected, four every two liang of respectively with two slide sliding connection, door frame and guard gate all are connected with strutting arrangement, both sides all with a three slide rail stiff end fixed connection about the door frame, six slide rail one respectively with six slider sliding connection, six a set of respectively with both sides fixed connection about the guard gate of slider, guard gate trailing flank and sealing rubber circle fixed connection.

As a preferable technical scheme of the utility model, the supporting device comprises two second sliding rails, the rear side surfaces of the two second sliding rails are fixedly connected with the front side surface of the protective door, each second sliding rail is in sliding connection with two T-shaped sliding blocks, and four T-shaped sliding blocks are in rotary connection with two sides of the rear ends of the two telescopic connecting rods through hinge seats in pairs.

As a preferable technical scheme of the utility model, two sides of the front end of the two telescopic connecting rods are respectively and rotatably connected with the left side and the right side of the two supporting rods through bearings, and the two supporting rods are respectively and rotatably connected with the two U-shaped brackets through bearings.

As a preferable technical scheme of the utility model, each U-shaped bracket is provided with two threaded holes, four threaded holes are connected with the upper side and the lower side of two threaded rods in a threaded mode, the threads on the upper side and the lower side of the two threaded rods are opposite, the upper end and the lower end of each threaded rod are connected with one bracket in a rotating mode through a bearing, and four brackets are fixedly connected with the upper side and the lower side of a door frame in a two-by-two mode.

As a preferable technical scheme of the utility model, the optical axes of the middle parts of the two threaded rods are respectively fixedly connected with two worm gears, the two worm gears are respectively meshed with two worms, and the front side and the rear side of each worm are respectively connected with an H-shaped bracket in a rotating way through bearings.

As a preferable technical scheme of the utility model, the optical axes at the rear ends of the two worms are respectively and fixedly connected with two first gears, the two first gears are respectively and meshed with the left side and the right side of the second gears, the second gears are fixedly connected with the rear ends of the conveying shafts, the middle parts of the conveying shafts are rotatably connected with the H-shaped brackets through bearings, and the front ends of the conveying shafts are fixedly connected with the turntables.

As a preferable technical scheme of the utility model, the left side and the right side of the H-shaped support are respectively and fixedly connected with the middle parts of two support rods, the upper side and the lower side of each support rod are respectively and slidably connected with a U-shaped support, the upper end and the lower end of each support rod are respectively and fixedly connected with a support, and four supports are respectively and fixedly connected with the upper side and the lower side of a door frame in a group.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the supporting device is arranged, the sealing rubber ring is arranged on the rear side surface of the protective door, the rotary table arranged on the supporting device is rotated, so that the two telescopic connecting rods stretch to drive the protective door to move forwards and backwards, meanwhile, the sliding block and the sliding rail on the lower side of the protective door support the protective door, so that the damage to the supporting device caused by overweight of the protective door is avoided, and the sealing rubber ring on the rear side surface of the protective door is worn by friction with a wall body when a user moves the door frame and the protective door, and meanwhile, the sealing rubber ring in close contact with the sealing rubber ring can effectively isolate water and gas.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic rear view of the present utility model;

FIG. 3 is a right side view of the present utility model;

FIG. 4 is a schematic view of the supporting device of the present utility model;

FIG. 5 is a schematic view of a pulley structure according to the present utility model;

fig. 6 is a schematic structural view of a sliding rail according to the present utility model.

In the figure: 1 slideway, 2 pulley, 3 door frame, 4 slide rail one, 5 slider, 6 sealing rubber ring, 7 guard gate, 8 strutting arrangement, 801 slide rail two, 802T type slider, 803 flexible connecting rod, 804 vaulting pole one, 805U type support, 806 threaded rod one, 807 support, 808 vaulting pole two, 809 worm wheel, 810 worm, 811 gear one, 812 gear two, 813H type support, 814 conveying shaft, 815 carousel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a technical solution for a civil air defense door with a sliding rail: including door frame 3, both sides all set up flutedly about door frame 3, and every recess all is connected through bearing rotation with both ends around two pulleys 2, four pulley two by two a set of respectively with two slide 1 sliding connection, door frame 3 and guard gate 7 all are connected with strutting arrangement 8, both sides all are fixed end fixed connection with three slide rail one 4 about the door frame 3, six slide rail one 4 respectively with six slider 5 sliding connection, six slider 5 three by three a set of respectively with guard gate 7 upper and lower both sides fixed connection, guard gate 7 trailing flank and sealed rubber ring 6 fixed connection, set up the effect that six slide rail one 4 and six slider 5 play support guard gate 7, avoided causing the damage to strutting arrangement 8 because the guard gate is overweight.

The supporting device 8 comprises two sliding rails two 801, the rear side surfaces of the two sliding rails two 801 are fixedly connected with the front side surface of the protective door 7, each sliding rail two 801 is in sliding connection with two T-shaped sliding blocks 802, each group of four T-shaped sliding blocks 802 is respectively and rotatably connected with two sides of the rear end of the two telescopic connecting rods 803 through a hinging seat, the four T-shaped sliding blocks 802 are arranged to slide in the two sliding rails two 801, and the four sides of the protective door 7 can be stressed simultaneously and drive the protective door 7 to move forwards and backwards.

The two sides of the front end of the two telescopic connecting rods 803 are respectively and rotatably connected with the left side and the right side of the two first stay bars 804 through bearings, and the two first stay bars 804 are respectively and rotatably connected with the two U-shaped brackets 805 through bearings.

Two screw holes have all been seted up to every U type support 805, and two screw holes two by two a set of respectively with two threaded rod 806 upper and lower both sides threaded connection, two threaded rod 806 upper and lower both sides screw thread are opposite, both ends all pass through the bearing rotation with a support 807 about every threaded rod 806, four support 807 two by two a set of respectively with door frame 3 upper and lower both sides fixed connection, set up two threaded rod 806, and make two threaded rod 806 upper and lower both sides screw thread opposite, the screw thread that both sides are opposite makes two U type supports 805 remove to this device centre and to this device both sides, also can increase this device's stability through setting up two threaded rod 806.

The middle part optical axis of the first threaded rod 806 is fixedly connected with the second worm wheel 809, the second worm wheel 809 is meshed with the second worm 810, and the front side and the rear side of the second worm 810 are rotatably connected with the H-shaped bracket 813 through bearings.

The optical axes of the rear ends of the two worms 810 are fixedly connected with two first gears 811, the two first gears 811 are respectively meshed with the left side and the right side of a second gear 812, the second gear 812 is fixedly connected with the rear end of a conveying shaft 814, the middle part of the conveying shaft 814 is rotatably connected with an H-shaped bracket 813 through a bearing, the front end of the conveying shaft 814 is fixedly connected with a turntable 815, and the two worms 810 are arranged to longitudinally rotate through the two worms 810 and transversely rotate through two worm gears 809.

The left and right sides of the H-shaped bracket 813 are fixedly connected with the middle parts of two brace rods 808 respectively, the upper side and the lower side of each brace rod 808 are slidably connected with a U-shaped bracket 805, the upper end and the lower end of each brace rod 808 are fixedly connected with a bracket 807, and four brackets 807 are fixedly connected with the upper side and the lower side of a door frame 3 in pairs.

The utility model comprises the following operation steps:

the user pushes the door frame 3 and the protective door 7 to the door opening through four pulleys 2 to enable the protective door 7 to be aligned with the door opening, then the user rotates the rotating disc 815 positively, the rotating disc 815 drives the gear II 812, the gear I811, the worm 810, the worm wheel 809 and the threaded rod I806 to rotate positively, the U-shaped brackets 805 shrink towards the middle of the device due to the fact that the threaded rod I806 rotates positively, then the U-shaped brackets 805 drive the two telescopic connecting rods 803 to enable the two telescopic connecting rods 803 to extend out, the two telescopic connecting rods 803 drive the four T-shaped sliding blocks 802 through four hinging seats to enable the four T-shaped sliding blocks 802 to slide towards the middle of the device, meanwhile the four T-shaped sliding blocks 802 apply thrust to the two sliding rails II 801 in the moving process, then the two sliding rails II 801 drive the protective door 7 to move backwards, meanwhile the protective door 7 drives the six sliding blocks 5 to move backwards on the six sliding rails I4, then the protective door 7 drives the sealing rubber ring 7 to be in tight contact with the door opening, when the protective door needs to be opened, the user needs to rotate the rotating disc 815 reversely, the sealing rubber ring 7 to enable the sealing rubber ring 7 to stretch out of the door opening, and the door frame 7 is prevented from being broken by the four sliding blocks 7 and the door frame 2 is pushed to the original position by the user.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is merely for convenience in describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and defined otherwise, for example, it may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a people's air defense door with slide rail, includes door frame (3), its characterized in that: the door frame (3) is provided with grooves on the upper side and the lower side, each groove is rotationally connected with the front end and the rear end of two pulleys (2) through bearings, four pulleys are in sliding connection with two sliding ways (1) respectively in pairs, the door frame (3) and a protective door (7) are connected with a supporting device (8), the upper side and the lower side of the door frame (3) are fixedly connected with fixed ends of three sliding rails (4), six sliding rails (4) are respectively in sliding connection with six sliding blocks (5), six sliding blocks (5) are respectively in three groups and are fixedly connected with the upper side and the lower side of the protective door (7), and the rear side of the protective door (7) is fixedly connected with a sealing rubber ring (6).

2. A civil air defense door with slide rails according to claim 1 wherein: the supporting device (8) comprises two sliding rails II (801), the rear side surfaces of the sliding rails II (801) are fixedly connected with the front side surface of the protective door (7), each sliding rail II (801) is slidably connected with two T-shaped sliding blocks (802), and four T-shaped sliding blocks (802) are rotatably connected with two telescopic connecting rods (803) at two sides of the rear end of the sliding rail II respectively through hinging seats in pairs.

3. A civil air defense door with slide rails according to claim 2 wherein: the two sides of the front end of the two telescopic connecting rods (803) are respectively and rotatably connected with the left side and the right side of the two first stay bars (804) through bearings, and the two first stay bars (804) are respectively and rotatably connected with the two U-shaped brackets (805) through bearings.

4. A civil air defense door with slide rails according to claim 3 wherein: two threaded holes are formed in each U-shaped bracket (805), four threaded holes are connected with threads on the upper side and the lower side of two threaded rods (806) in a pair-by-pair mode, threads on the upper side and the lower side of the threaded rods (806) are opposite, the upper end and the lower end of each threaded rod (806) are connected with one bracket (807) in a rotating mode through bearings, and the four brackets (807) are connected with the upper side and the lower side of a door frame (3) in a pair-by-pair mode.

5. The air defense door with the sliding rail according to claim 4 wherein: the middle optical axis of the first threaded rod (806) is fixedly connected with the two worm gears (809), the two worm gears (809) are respectively meshed with the two worms (810), and the front side and the rear side of the two worms (810) are rotatably connected with the H-shaped bracket (813) through bearings.

6. The air defense door with the sliding rail according to claim 5 wherein: the two worm (810) rear end optical axis department respectively with two first gears (811) fixed connection, two first gears (811) respectively with the left and right sides meshing of second gears (812) is connected, second gears (812) and conveying axle (814) rear end fixed connection, conveying axle (814) middle part and H type support (813) pass through the bearing and rotate to be connected, conveying axle (814) front end and carousel (815) fixed connection.

7. The air defense door with the sliding rail according to claim 6 wherein: the left side and the right side of the H-shaped support (813) are fixedly connected with the middle parts of two brace rods II (808) respectively, the upper side and the lower side of each brace rod II (808) are slidably connected with a U-shaped support (805), the upper end and the lower end of each brace rod II (808) are fixedly connected with a support (807), and the four support (807) are fixedly connected with the upper side and the lower side of a door frame (3) in a group.