CN212562977U

CN212562977U - Anti-impact civil air defense door convenient for fixing door leaf

Info

Publication number: CN212562977U
Application number: CN202020358677.3U
Authority: CN
Inventors: 张金发
Original assignee: Zhejiang Huaan Electronic Technology Co ltd
Current assignee: Zhejiang Huaan Technology Co.,Ltd.
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2021-02-19
Anticipated expiration: 2030-03-20

Abstract

The utility model relates to a people's air defense door technical field specifically is an impact-proof people's air defense door convenient to fixed door leaf, including the door leaf, the inside wall of door leaf is equipped with control assembly and impact-proof blocking mechanism, impact-proof blocking mechanism includes multiunit shutting subassembly, shutting subassembly is located the both sides of control assembly respectively, the inner wall bottom of door leaf is equipped with the truckle and increases and hinder the subassembly; the casters are arranged to support the door leaf; the friction force between the door leaf and the ground can be increased in the opening state of the door leaf by arranging the resistance increasing assembly, the effect of fixing the door leaf is achieved, and the door leaf and the civil air defense wall are connected by arranging a plurality of groups of locking assemblies, so that the impact strength of the door leaf is improved; meanwhile, the multiple groups of locking assemblies can be controlled by the control assembly to lock and unlock the door leaf, operation is fast, and use is convenient.

Description

Anti-impact civil air defense door convenient for fixing door leaf

Technical Field

The utility model relates to a people's air defense door technical field specifically is a protecting against shock people's air defense door convenient to fixed door leaf.

Background

The civil air defense door is a door of an entrance and an exit of civil protection engineering, and the classification of the civil air defense door is more distinct, and the civil air defense door comprises various civil air defense devices such as common single-leaf and double-leaf protective airtight doors and airtight doors, a movable door threshold single-leaf and double-leaf protective airtight doors and the like. People's air defense is also called civil defense, which is an international common word and is an activity that governments mobilize and organize the masses, take measures of air attack prevention, disaster resistance and relief, implement rescue actions and prevent and reduce disaster harm. People's air defense door belongs to civil defense protective equipment.

The protective airtight door can block shock waves and meet the corresponding resistance requirement. When the pressure-resistant steel pipe is selected for use, the requirement on the size of the hole opening is met, and the requirement on design pressure is met. Although the steel structure door is relatively high in price and relatively poor in early nuclear radiation prevention performance, the steel structure door is light in self weight and flexible in opening and closing, and therefore the steel structure door is usually used for vehicle entrances and exits with relatively large sizes.

The existing locking device for the civil air defense door arranged in the air defense holes of residential buildings and office buildings has poor impact resistance; and current people's air defense door can't be fixed, and the easy self-closing of door leaf when opening, and when people's air defense door leaf received great impact force and opened and close, the contact surface of people's air defense door leaf and wall body played the effect of buffering, can lead to people's air defense door leaf border or wall body damaged.

Disclosure of Invention

An object of the utility model is to provide an impact-proof people's air defense door convenient to fixed door leaf to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an impact-proof people's air defense door convenient to fixed door leaf, includes the door leaf, the inside wall of door leaf is equipped with control assembly and impact-proof blocked mechanical system, impact-proof blocked mechanical system includes multiunit shutting subassembly, the shutting subassembly is located control assembly's both sides respectively, the inner wall bottom of door leaf is equipped with the truckle and increases and hinder the subassembly.

Preferably, the control assembly includes the gear, gear revolve connects in the door leaf, the upper and lower both sides of gear all mesh there are two sets of racks, and is two sets of rack is a set of mobile jib of fixedly connected with respectively, and is two sets of the one end of mobile jib is a set of connecting rod of fixedly connected with respectively, equidistance fixedly connected with multiunit auxiliary rod on the connecting rod, the center pin fixedly connected with rocking handle one of gear.

Preferably, the surface of the door leaf is provided with a plurality of groups of first sliding sleeves, and the main rod and the auxiliary rod are both connected with the first sliding sleeves in a sliding manner.

Preferably, the shutting subassembly includes slide bar and guide pin, the guide pin is fixed connection respectively at the civil air defense wall surface of door leaf both sides, the one end and the auxiliary rod fixed connection of slide bar, the other end fixedly connected with stopper one of slide bar, the slide bar outside is equipped with sliding sleeve two, two fixed connection of sliding sleeve are in the door leaf, slide bar sliding connection is in sliding sleeve two, still the cover is equipped with pressure spring one on the slide bar, pressure spring one is located between stopper one and the sliding sleeve two, the one end fixedly connected with pin of stopper one, pin and guide pin.

Preferably, the bottom end of the inner wall of the door leaf is fixedly connected with a fixed seat, and the caster wheel and the resistance-increasing component are fixedly connected with the fixed seat.

Preferably, the resistance increasing assembly comprises a resistance increasing piece and a telescopic rod, a second limiting block is fixedly connected to the bottom end of the telescopic rod, the lower end of the second limiting block is fixedly connected with the resistance increasing piece, a connecting block is fixedly connected to the upper end of the telescopic rod, a second pressure spring is sleeved on the telescopic rod, and the second pressure spring is located between the fixed seat and the second limiting block.

Preferably, one side of the connecting block is in threaded connection with a screw rod, the bottom end of the screw rod is rotatably connected to the upper end of the fixing seat, and the top end of the screw rod is fixedly connected with a rocking handle II.

Preferably, a reinforcing rib is fixedly connected between the upper end of the fixed seat and the door leaf.

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

1) the anti-impact civil air defense door convenient for fixing the door leaf has the advantages that the caster wheels are arranged to support the door leaf; through setting up and increasing the subassembly and can increase the frictional force between door leaf and the ground under the door leaf open mode, play the effect of fixed door leaf.

2) According to the anti-impact civil air defense door convenient for fixing the door leaf, the door leaf and the civil air defense wall are connected by arranging a plurality of groups of locking structures, so that the impact strength of the door leaf is improved; meanwhile, the multiple groups of locking assemblies can be controlled by the control assembly to lock and unlock the door leaf, operation is fast, and use is convenient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the rocking handle I of the present invention;

fig. 3 is a schematic structural view of the caster and the resistance-increasing assembly of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1 door leaf, 2 truckles, 3 gears, 4 racks, 5 main rods, 6 connecting rods, 7 auxiliary rods, 8 sliding sleeve I, 9 sliding rods, 10 pin sleeves, 11 limiting blocks I, 12 reinforcing ribs, 13 sliding sleeve II, 14 pressure spring I, 15 pin rods, 16 fixing seats, 17 resistance increasing pieces, 18 telescopic rods, 19 rocking handle II, 20 limiting blocks II, 21 connecting blocks, 22 pressure spring II, 23 screw rods and 24 rocking handle I.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: an anti-impact civil air defense door convenient for fixing a door leaf comprises a door leaf 1, wherein a control assembly and an anti-impact locking mechanism are arranged on the inner side wall of the door leaf 1, the anti-impact locking mechanism comprises a plurality of groups of locking assemblies, the locking assemblies are respectively positioned on two sides of the control assembly, and the door leaf 1 and a civil air defense wall body are connected by arranging the plurality of groups of locking assemblies, so that the impact strength of the door leaf 1 is improved; meanwhile, the control assembly can simultaneously control a plurality of groups of locking assemblies to lock and unlock the door leaf 1, so that the operation is rapid and the use is convenient; the inner wall bottom of door leaf 1 is equipped with truckle 2 and increases and hinder the subassembly, increases through the setting and hinders the subassembly and can increase the frictional force between door leaf 1 and the ground under the door leaf 1 open mode, plays fixed door leaf 1's effect, plays the supporting role to door leaf 1 through setting up truckle 2.

Wherein, control assembly includes gear 3, and gear 3 rotates to be connected in door leaf 1, and the upper and lower both sides of gear 3 all mesh there are two sets of racks 4, and two sets of racks 4 are a set of mobile jib 5 of fixedly connected with respectively, and a set of connecting rod 6 of fixedly connected with is distinguished to the one end of two sets of mobile jib 5, and equidistant fixedly connected with multiunit auxiliary rod 7 on connecting rod 6, the center pin fixedly connected with rocking handle 24 of gear 3.

Wherein, the surface of door leaf 1 is equipped with multiunit sliding sleeve 8, and equal sliding connection in sliding sleeve 8 of mobile jib 5 and vice pole 7.

Wherein, the shutting subassembly includes slide bar 9 and guide pin 10, guide pin 10 is fixed connection respectively at the civil air defense wall surface of 1 both sides of door leaf, slide bar 9's one end and auxiliary rod 7 fixed connection, slide bar 9's other end fixedly connected with stopper one 11, slide bar 9 outside is equipped with two sliding sleeve 13, two 13 fixed connection of sliding sleeve are in door leaf 1, slide bar 9 sliding connection is in two 13 of sliding sleeve, it is equipped with pressure spring one 14 still to overlap on the slide bar 9, pressure spring one 14 is located between stopper one 11 and the two 13 of sliding sleeve, the one end fixedly connected with pin 15 of stopper one 11, pin 15 and guide pin 10.

Wherein, the inner wall bottom fixedly connected with fixing base 16 of door leaf 1, truckle 2 with increase and hinder subassembly fixed connection in fixing base 16.

Wherein, increase and hinder the subassembly including increasing and hinder piece 17 and

telescopic link

18, 18 bottom fixedly connected with stoppers two 20 of telescopic link, the lower extreme of stopper two 20 with increase and hinder piece 17 fixed connection, the upper end fixedly connected with connecting block 21 of telescopic link 18, the cover is equipped with two pressure springs 22 on the telescopic link 18, two pressure springs 22 are located the fixing base 16 and with the stopper two 20 between.

Wherein, one side threaded connection of connecting block 21 has lead screw 23, and the bottom of lead screw 23 rotates to be connected in the fixing base 16 upper end, and the top fixedly connected with rocking handle two 19 of lead screw 23.

Wherein, a reinforcing rib 12 is fixedly connected between the upper end of the fixed seat 16 and the door leaf 1.

Principle of operation

When the anti-impact civil air defense door convenient for fixing the door leaf is used,

the gear 3 drives the two groups of main rods 5 through the rack 4 by rotating the rocking handle I24, the main rods 5 pull the sliding rods 9 of the locking components to retract through the connecting rods 6 and the auxiliary rods 7, the pin rods 15 are driven to move out of the pin sleeves 10, and the rocking handle I24 is released after the door leaf 1 is opened;

when the door leaf 1 needs to be locked, the operation is repeated, when the main rod 5 drives the pin rod 15 to retract, the first pressure spring 14 contracts to store energy, the first rocking handle 24 is loosened after the door leaf 1 is closed, the first pressure spring 14 resets and drives the sliding rod 9 through the first limiting block 11, the pin rod 15 enters the pin sleeve 10, and locking of the door leaf 1 is achieved.

After the door leaf 1 is opened, the rocking handle II 22 is screwed, the screw rod 23 drives the connecting block 21 to descend, the resistance increasing piece 17 is in contact with the ground, and the pressure spring II 22 drives the telescopic rod 18 to stretch, so that the effect of fixing the door leaf 1 is achieved, and meanwhile, the friction force between the door leaf 1 and the ground is increased.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an impact-proof people's air defense door convenient to fixed door leaf, includes door leaf (1), its characterized in that, the inside wall of door leaf (1) is equipped with control assembly and impact-proof blocked mechanical system, impact-proof blocked mechanical system includes multiunit shutting subassembly, the shutting subassembly is located the both sides of control assembly respectively, the inner wall bottom of door leaf (1) is equipped with truckle (2) and increases and hinders the subassembly.

2. The anti-impact civil air defense door convenient for fixing the door leaf as claimed in claim 1, characterized in that the control component comprises a gear (3), the gear (3) is rotatably connected to the door leaf (1), two sets of racks (4) are respectively meshed on the upper side and the lower side of the gear (3), two sets of racks (4) are respectively and fixedly connected with a set of main rods (5), two sets of one ends of the main rods (5) are respectively and fixedly connected with a set of connecting rods (6), a plurality of sets of auxiliary rods (7) are fixedly connected on the connecting rods (6) at equal intervals, and a first rocking handle (24) is fixedly connected to a central shaft of the gear (3).

3. An impact-proof civil air defense door convenient for fixing a door leaf as claimed in claim 2, characterized in that the surface of the door leaf (1) is provided with a plurality of sets of sliding sleeves (8), and the main rod (5) and the auxiliary rod (7) are both slidably connected with the sliding sleeves (8).

4. An impact-proof civil air-defense door facilitating the fixing of a door leaf according to claim 2, the locking component comprises a sliding rod (9) and pin sleeves (10), the pin sleeves (10) are respectively and fixedly connected to the surfaces of the civil air defense walls on the two sides of the door leaf (1), one end of the sliding rod (9) is fixedly connected with the auxiliary rod (7), the other end of the sliding rod (9) is fixedly connected with a first limiting block (11), a second sliding sleeve (13) is arranged outside the sliding rod (9), the second sliding sleeve (13) is fixedly connected with the door leaf (1), the sliding rod (9) is connected with a second sliding sleeve (13) in a sliding manner, a first pressure spring (14) is further sleeved on the sliding rod (9), the first pressure spring (14) is positioned between the first limiting block (11) and the second sliding sleeve (13), one end of the first limiting block (11) is fixedly connected with a pin rod (15), and the pin rod (15) and the pin sleeve (10) are arranged on the outer side of the.

5. An impact-proof civil air defense door convenient for fixing a door leaf as claimed in claim 1, characterized in that the bottom end of the inner wall of the door leaf (1) is fixedly connected with a fixed seat (16), and the caster wheel (2) and the resistance-increasing component are fixedly connected with the fixed seat (16).

6. The anti-impact civil air defense door convenient for fixing the door leaf as claimed in claim 5, wherein the resistance increasing component comprises a resistance increasing piece (17) and a telescopic rod (18), a second limiting block (20) is fixedly connected to the bottom end of the telescopic rod (18), the lower end of the second limiting block (20) is fixedly connected with the resistance increasing piece (17), a connecting block (21) is fixedly connected to the upper end of the telescopic rod (18), a second pressure spring (22) is sleeved on the telescopic rod (18), and the second pressure spring (22) is located between the fixing seat (16) and the second limiting block (20).

7. The anti-impact civil air defense door convenient for fixing the door leaf as claimed in claim 6, wherein one side of the connecting block (21) is connected with a screw rod (23) in a threaded manner, the bottom end of the screw rod (23) is rotatably connected with the upper end of the fixing seat (16), and the top end of the screw rod (23) is fixedly connected with a second rocking handle (19).

8. An impact-proof civil air defense door convenient for fixing a door leaf according to claim 5, characterized in that a reinforcing rib (12) is fixedly connected between the upper end of the fixed seat (16) and the door leaf (1).