CN216949943U

CN216949943U - Linkage locking mechanism for civil air defense door

Info

Publication number: CN216949943U
Application number: CN202122862034.XU
Authority: CN
Inventors: 刘江洋; 万孝伟
Original assignee: Puyang Min'an Civil Air Defense Equipment Manufacturing Co ltd
Current assignee: Puyang Min'an Civil Air Defense Equipment Manufacturing Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-07-12
Anticipated expiration: 2031-11-19

Abstract

The utility model discloses a linkage locking mechanism of a civil air defense door, which comprises a door frame, wherein the door frame is hinged with a door plate through a hinge, a first gear is arranged on one side of the front end surface of the door plate, a second gear is arranged on one side of the first gear, the first gear is rotatably connected with the second gear through a chain, and push plates are arranged on the two sides, positioned on the second gear, of the front end surface of the door plate. According to the utility model, the first gear is rotated by rotating the hand wheel, the second gear is driven by the chain to rotate while the first gear rotates, the connecting rod on the second gear is rotated, so that the push plate can be effectively moved, the lock rod on the push plate moves while the push plate moves, and locking can be performed when one end of the lock rod extends into the slot on the stop block, wherein the stability during locking can be effectively improved by extending the plurality of lock rods into the plurality of slots, so that locking is firmer, and the use effect of the locking device is favorably improved.

Description

Linkage locking mechanism for civil air defense door

Technical Field

The utility model relates to the technical field of civil air defense doors, in particular to a linkage locking mechanism of a civil air defense door.

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 activity that governments and organizes the masses, takes measures of preventing air attack, resisting disaster and relieving disaster, implements rescue action, and prevents and lightens the harm of the disaster. People's air defense door belongs to civil defense protective equipment.

The existing civil air defense door linkage locking mechanism has certain limitation when in use, and if the existing civil air defense door linkage locking mechanism is in the use process, the problem of insecure locking exists, the use effect of the mechanism is easily influenced, and when the outside generates great vibration, the problem that a locking rod in the locking mechanism is damaged is easily caused, and the service life of the locking rod is shortened.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the linkage locking mechanism of the civil air defense door, which has the advantages of firm locking, difficult damage of the locking rod due to larger vibration and long service life, and further solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model adopts the following technical scheme: a linkage locking mechanism of a civil air defense door comprises a door frame, wherein the door frame is hinged with a door plate through a hinge, a first gear is arranged on one side of the front end surface of the door plate, a second gear is arranged on one side of the first gear, the first gear is rotatably connected with the second gear through a chain, a push plate is arranged on the two sides of the front end surface of the door plate, which are positioned on the second gear, a fixed block is arranged at the middle position of the bottom surface of the push plate, the second gear is rotatably connected with the fixed block through a connecting rod, stop blocks are arranged on the upper and lower sides of the door plate, slots are formed in the bottom surface of the stop blocks, sleeves are arranged under the stop blocks on the two sides of the front end surface of the door plate, locking rods are arranged on the two sides of the top surface of the push plate, one ends of the locking rods penetrate through the sleeves and extend into the slots, limiting grooves are formed on the two sides of the inner wall of the sleeves, and limiting blocks are arranged on the two side surfaces of the locking rods, which are positioned in the sleeves, and one end of the limiting block extends to the inside of the limiting groove, and the outer side surface of the locking rod is positioned below the limiting block and is sleeved with a spring.

Preferably, a hand wheel is mounted on the first gear.

Preferably, the push pedal is equipped with two altogether, and is equipped with the telescopic link between two push pedals.

Preferably, the telescopic links are provided with two, and the two telescopic links are symmetrical about the central axis of the push plate.

Preferably, the locking rods are arranged in a plurality, and the locking rods are uniformly distributed on the two push plates in pairs.

Preferably, the stop blocks are arranged in a plurality, and the stop blocks are uniformly distributed on the front end surface of the door frame in pairs and are positioned on the upper side and the lower side of the door plate.

Preferably, the locking bar and the slot are of cylindrical structure.

Preferably, the limiting block is connected with the limiting groove in a sliding mode.

(III) advantageous effects

Compared with the prior art, the utility model provides a civil air defense door linkage locking mechanism, which has the following beneficial effects:

(1) according to the utility model, the first gear is rotated by rotating the hand wheel, the second gear is driven by the chain to rotate while the first gear is rotated, the connecting rod on the second gear is rotated, so that the push plate can be effectively moved, the lock rod on the push plate is moved while the push plate is moved, and locking can be performed when one end of the lock rod extends into the slots on the stop block, wherein the lock rods extend into the slots, so that the stability during locking can be effectively improved, locking is firmer, and the using effect of the lock rod is favorably improved.

(2) According to the utility model, through the matching use of the sleeve, the limiting groove, the limiting block and the spring, the stability of the lock rod in the moving process can be effectively kept, so that the lock rod can be more accurately inserted into the slot on the stop block, the limitation in use is reduced, the lock rod can be conveniently inserted into the slot, the spring can be used for effectively playing a better buffering and damping effect on the lock rod, the vibration of the lock rod is reduced, the risk of damage to the lock rod due to larger vibration is reduced, and the service life of the lock rod is prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described 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 to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural view of a civil air defense door linkage locking mechanism provided by the utility model;

FIG. 2 is an enlarged view A of the civil air defense door linkage locking mechanism provided by the utility model;

FIG. 3 is a front view of the civil air defense door linkage locking mechanism of the present invention;

fig. 4 is a block structure schematic diagram of the civil air defense door linkage locking mechanism provided by the utility model.

Illustration of the drawings:

1. a door frame; 2. a hinge; 3. a door panel; 4. a first gear; 5. a chain; 6. a second gear; 7. pushing the plate; 8. a fixed block; 9. a connecting rod; 10. a lock lever; 11. a telescopic rod; 12. a stopper; 13. a slot; 14. a sleeve; 15. a limiting groove; 16. a limiting block; 17. a spring; 18. a handwheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; 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.

Referring to fig. 1-4, a linkage locking mechanism of a civil air defense door comprises a door frame 1, the door frame 1 is hinged with a door plate 3 through a hinge 2, a first gear 4 is arranged on one side of the front end surface of the door plate 3, a second gear 6 is arranged on one side of the first gear 4, the first gear 4 is rotatably connected with the second gear 6 through a chain 5, push plates 7 are arranged on the two sides of the second gear 6 on the front end surface of the door plate 3, a fixed block 8 is arranged at the middle position of the bottom surface of the push plate 7, the second gear 6 is rotatably connected with the fixed block 8 through a connecting rod 9, stoppers 12 are arranged on the upper and lower sides of the door plate 3 on the front end surface of the door frame 1, slots 13 are arranged on the bottom surface of the stoppers 12, sleeves 14 are arranged under the stoppers 12 on the two sides of the front end surface of the door plate 3, locking rods 10 are arranged on the two sides of the top surface of the push plate 7, and one end of the locking rods 10 extends to the inside of the slots 13 through the sleeves 14, the two sides of the inner wall of the sleeve 14 are provided with limiting grooves 15, the two side surfaces of the lock rod 10 are provided with limiting blocks 16 inside the sleeve 14, and one end of the limiting block 16 extends to the inside of the limiting groove 15, the outer side surface of the lock rod 10 is sleeved with a spring 17 below the limiting block 16, the first gear 4 is rotated by rotating the hand wheel 18, the second gear 6 is driven by the chain 5 to rotate while the first gear 4 is rotated, so that the connecting rod 9 on the second gear 6 is rotated, thereby effectively moving the push plate 7, moving the push plate 7 and simultaneously moving the lock rod 10 on the push plate 7, the locking is performed when one end of the locking lever 10 is extended into the insertion groove 13 of the stopper 12, wherein extend to a plurality of slots 13 through a plurality of locking levers 10 in, stability when can effectively improve the shutting for it is more firm to shut, is favorable to improving its result of use.

In one embodiment, the first gear 4 is provided with a hand wheel 18, wherein the first gear 4 is rotatable by means of the hand wheel 18.

In one embodiment, there are two push plates 7, and a telescopic rod 11 is disposed between the two push plates 7, wherein stability between the push plates 7 is improved by the telescopic rod 11.

In one embodiment, two telescopic rods 11 are provided, and the two telescopic rods 11 are symmetrical about the central axis of the push plate 7, wherein the stability between the push plates 7 is further improved by the cooperation of the two telescopic rods 11.

In one embodiment, the locking rods 10 are provided with a plurality of locking rods 10, and the plurality of locking rods 10 are uniformly distributed on the two push plates 7 in pairs, wherein the plurality of locking rods 10 extend into the plurality of slots 13, so that the stability during locking can be effectively improved, the locking is firmer, and the use effect of the locking device is improved.

In one embodiment, the stop blocks 12 are provided in plurality, and the stop blocks 12 are uniformly distributed on the front end surface of the door frame 1 two by two on the upper and lower sides of the door plate 3, wherein the locking rod 10 is limited by using the slots 13 in the stop blocks 12.

In one embodiment, the locking bar 10 and the insertion groove 13 are formed in a cylindrical shape to facilitate insertion.

In one embodiment, the limiting block 16 is slidably connected to the limiting groove 15, wherein the sleeve 14, the limiting groove 15 and the limiting block 16 are used in cooperation, so that the stability of the lock rod 10 in the moving process can be effectively maintained, the lock rod 10 can be more accurately inserted into the slot 13 on the stop block 12, the limitation in use is reduced, and the lock rod 10 can be conveniently inserted into the slot 13.

The working principle is as follows:

when the locking device is used, the first gear 4 is rotated by rotating the hand wheel 18, the chain 5 drives the second gear 6 to rotate while the first gear 4 rotates, the connecting rod 9 on the second gear 6 rotates, so that the push plate 7 can be effectively moved, the lock rod 10 on the push plate 7 moves while the push plate 7 moves, when one end of the lock rod 10 extends into the slot 13 on the stop block 12, locking can be performed, wherein the lock rod 10 extends into the slots 13 through the lock rods 10, the stability during locking can be effectively improved, the locking is firmer, the using effect of the locking device is favorably improved, the stability of the lock rod 10 in the moving process can be effectively maintained through the matching use of the sleeve 14, the limiting groove 15 and the limiting block 16, the lock rod 10 can be more accurately inserted into the slot 13 on the stop block 12, the limitation in use is reduced, the locking rod 10 is convenient to be inserted into the slot 13, and the spring 17 is used, so that the locking rod 10 can be effectively buffered and damped, the vibration of the locking rod 10 is reduced, the risk of damage to the locking rod 10 due to large vibration is reduced, and the service life of the locking rod 10 is prolonged.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the utility model concepts of the present invention in the scope of the present invention.

Claims

1. People's air defense door linkage blocked mechanical system, including door frame (1), its characterized in that, door frame (1) articulates through hinge (2) has door plant (3), and front end surface one side of door plant (3) is equipped with first gear (4), one side of first gear (4) is equipped with second gear (6), first gear (4) rotate with second gear (6) through chain (5) and are connected, the front end surface of door plant (3) is located the both sides of second gear (6) and is equipped with push pedal (7), and the bottom surface intermediate position department of push pedal (7) is equipped with fixed block (8), second gear (6) rotate with fixed block (8) through connecting rod (9) and are connected, the front end surface of door frame (1) is located the upper and lower both sides of door plant (3) and is equipped with dog (12), and the bottom surface of dog (12) has seted up slot (13), the utility model discloses a safety lock device, including door plant (3), push pedal (7), limiting groove (15), limiting block (16) and limiting block (16), the front end surface both sides of door plant (3) are located dog (12) and are equipped with sleeve pipe (14) under, the top surface both sides of push pedal (7) are equipped with locking lever (10), and the one end of locking lever (10) runs through the inside that sleeve pipe (14) extend to slot (13), limiting groove (15) have been seted up to the inner wall both sides of sleeve pipe (14), the both sides surface of locking lever (10) is located the inside of sleeve pipe (14) and is equipped with limiting block (16), and the one end of limiting block (16) extends to the inside of limiting groove (15), the outside surface of locking lever (10) is located the below of limiting block (16) and has cup jointed spring (17).

2. The people's air defense door linkage locking mechanism as claimed in claim 1, characterized in that a hand wheel (18) is mounted on the first gear (4).

3. The people's air defense door linkage locking mechanism according to claim 1, characterized in that, there are two push plates (7) in total, and a telescopic rod (11) is arranged between two push plates (7).

4. The people's air defense door linkage locking mechanism according to claim 3, characterized in that, there are two telescopic rods (11), and the two telescopic rods (11) are symmetrical about the central axis of the push plate (7).

5. The people's air defense door linkage locking mechanism as claimed in claim 1, characterized in that the locking rod (10) is provided with a plurality of locking rods, and the locking rods (10) are uniformly distributed on the two push plates (7) in pairs.

6. The people's air defense door linkage locking mechanism as claimed in claim 1, characterized in that the number of the stop blocks (12) is multiple, and the stop blocks (12) are uniformly distributed on the front end surface of the door frame (1) in pairs at the upper and lower sides of the door panel (3).

7. The people's air defense door interlocking lock mechanism as claimed in claim 1, characterized in that the locking bar (10) and the slot (13) are of cylindrical construction.

8. The people's air defense door linkage locking mechanism as claimed in claim 1, characterized in that the limiting block (16) is connected with the limiting groove (15) in a sliding manner.