CN217518531U

CN217518531U - Civil air defense door with good sealing performance

Info

Publication number: CN217518531U
Application number: CN202220049181.7U
Authority: CN
Inventors: 付宣燃; 傅董捷; 吕建青; 章万海
Original assignee: Zhejiang Jinzun Civil Air Defense Equipment Co ltd
Current assignee: Zhejiang Jinzun Civil Air Defense Equipment Co ltd
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-09-30
Anticipated expiration: 2032-01-10

Abstract

The utility model discloses a people's air defense door that sealing performance is good, including people's air defense door body and door frame, the door frame has people's air defense door body through the hinge, the front of people's air defense door body is provided with the through-hole. The utility model discloses a pivot, drive mechanism, the fixed axle, the threaded rod, the thread bush, first bracing piece, the second bracing piece, the sliding sleeve, the slide bar, the third bracing piece, the cooperation of clamp plate and sealed piece, rotatory pivot, it is rotatory that drive mechanism and fixed axle drive the threaded rod that the pivot is passed through, the threaded rod drives the thread bush and locates to remove to the center, the thread bush drives the sliding sleeve through first bracing piece and slides on the slide bar, the sliding sleeve drives the clamp plate through the third bracing piece and removes, the thread bush drives the clamp plate through the second bracing piece simultaneously and removes, increase the leakproofness between people's air defense door body and the wall body, prevent that outside flue gas from getting into indoorly, thereby reach the better effect of sealing performance, the relatively poor problem of current device sealing performance has been solved.

Description

Civil air defense door with good sealing performance

Technical Field

The utility model relates to a civil air defense engineering technical field specifically is a civil air defense door that sealing performance is good.

Background

People's air defense is called civil defense, is a government mobilization and organization, takes measures of air defense, disaster resistance and relief, implements rescue action, and prevents and relieves activities of disaster damage, the people's air defense door belongs to civil defense protective equipment, the people's air defense door is a door of an entrance and an exit of people's protective engineering, the classification of the people's air defense door is more distinct, and a plurality of people's air defense equipment such as a common single-leaf protective sealed door, a double-leaf protective sealed door and a sealed door, and a single-leaf protective door, a double-leaf protective door and a sealed door are provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a people's air defense door that sealing performance is good possesses the better advantage of sealing performance, has solved the relatively poor problem of current device sealing performance.

In order to achieve the above object, the utility model provides a following technical scheme: a civil air defense door with good sealing performance comprises a civil air defense door body and a door frame, wherein the door frame is hinged with the civil air defense door body through a hinge, a through hole is arranged on the front side of the civil air defense door body, the inner cavity of the through hole is movably connected with a rotating shaft through a bearing seat, the surface of the rotating shaft is fixedly connected with a transmission mechanism, the transmission mechanism comprises a driving bevel gear and a driven bevel gear, the axis of the driven bevel gear is fixedly connected with a fixed shaft, two ends of the fixed shaft are fixedly connected with threaded rods, the surface of the threaded rod is sleeved with a threaded sleeve, the surface of the threaded sleeve is movably connected with a first supporting rod, the right side of the first supporting rod is movably connected with a second supporting rod, the other end of the first supporting rod is movably connected with a sliding sleeve, the inner cavity of the sliding sleeve is slidably connected with a sliding rod, the surface of the sliding sleeve is movably connected with a third supporting rod, the other ends of the second supporting rod and the third supporting rod are movably connected with a pressing plate, and the other side of the pressing plate is fixedly connected with a sealing block.

Preferably, the surface of the rotating shaft is fixedly connected with a driving bevel gear, and the surface of the driving bevel gear is engaged with a driven bevel gear.

Preferably, the number of the threaded rods is two, and the thread directions of the surfaces of the two threaded rods are opposite.

Preferably, the both ends of slide bar all fixedly connected with fixed plate, one side of fixed plate and the inner chamber fixed connection of people's air defense door body.

Preferably, the other end of the threaded rod is movably connected with a mounting plate through a bearing seat, and the other end of the rotating shaft is fixedly connected with a handle wheel.

Preferably, the surface of people's air defense door body is provided with the inoxidizing coating, the inoxidizing coating includes heat insulation layer and wearing layer.

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

1. the utility model discloses a pivot, drive mechanism, the fixed axle, the threaded rod, the thread bush, first bracing piece, the second bracing piece, the sliding sleeve, the slide bar, the third bracing piece, the cooperation of clamp plate and sealed piece, rotatory pivot, it is rotatory that drive mechanism and fixed axle drive threaded rod are passed through in the pivot, the threaded rod drives the thread bush and locates to remove to the center, the thread bush drives the sliding sleeve through first bracing piece and slides on the slide bar, the sliding sleeve drives the clamp plate through the third bracing piece and removes, the thread bush passes through the second bracing piece simultaneously and drives the clamp plate and remove, increase the leakproofness between people's air defense door body and the wall body, prevent that outside flue gas from getting into indoorly, thereby reach the better effect of sealing performance, the relatively poor problem of current device sealing performance has been solved.

2. The utility model discloses a screw thread opposite direction on two screw rod surfaces of design is convenient for make two thread bush remove in opposite directions, through the design wheel, the manual rotation pivot of being convenient for, through the design inoxidizing coating, increases the wear-resisting heat-proof quality of people's air defense door body.

Drawings

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

FIG. 2 is a front sectional view of the structure of the present invention;

fig. 3 is a front view of the protective layer structure of the present invention.

In the figure: 1. a civil air defense door body; 2. a door frame; 3. a rotating shaft; 4. a transmission mechanism; 41. a drive bevel gear; 42. a driven bevel gear; 5. a fixed shaft; 6. a threaded rod; 7. a threaded sleeve; 8. a first support bar; 9. a second support bar; 10. a sliding sleeve; 11. a slide bar; 12. a third support bar; 13. pressing a plate; 14. a sealing block; 15. a fixing plate; 16. mounting a plate; 17. a handle wheel; 18. a protective layer; 181. a thermal insulation layer; 182. and a wear-resistant layer.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, a civil air defense door with good sealing performance comprises a civil air defense door body 1 and a door frame 2, wherein the door frame 2 is hinged with the civil air defense door body 1 through a hinge, a protective layer 18 is arranged on the surface of the civil air defense door body 1, the protective layer 18 comprises a thermal insulation layer 181 and a wear-resistant layer 182, the directions of threads on the surfaces of two threaded rods 6 are opposite, so that two threaded sleeves 7 can move oppositely, a handle wheel 17 is designed, so that a rotating shaft 3 can be conveniently and manually rotated, the wear-resistant and heat-insulating properties of the civil air defense door body 1 are improved by designing the protective layer 18, a through hole is arranged on the front surface of the civil air defense door body 1, the inner cavity of the through hole is movably connected with the rotating shaft 3 through a bearing seat, a driving bevel gear 41 is fixedly connected on the surface of the rotating shaft 3, a driven bevel gear 42 is engaged on the surface of the driving bevel gear 41, a transmission mechanism 4 is fixedly connected with the surface of the rotating shaft 3, the transmission mechanism 4 comprises the driving bevel gear 41 and the driven bevel gear 42, a fixed shaft 5 is fixedly connected at the axis of a driven bevel gear 42, two ends of the fixed shaft 5 are fixedly connected with threaded rods 6, the other end of each threaded rod 6 is movably connected with a mounting plate 16 through a bearing seat, the other end of a rotating shaft 3 is fixedly connected with a handle wheel 17, the number of the threaded rods 6 is two, the thread directions of the surfaces of the two threaded rods 6 are opposite, a threaded sleeve 7 is sleeved on the surface of each threaded rod 6, the surface of the threaded sleeve 7 is movably connected with a first supporting rod 8, the right side of the first supporting rod 8 is movably connected with a second supporting rod 9, the other end of the first supporting rod 8 is movably connected with a sliding sleeve 10, an inner cavity of the sliding sleeve 10 is slidably connected with a sliding rod 11, two ends of the sliding rod 11 are fixedly connected with a fixed plate 15, one side of the fixed plate 15 is fixedly connected with the inner cavity of the civil air defense door body 1, the surface of the sliding sleeve 10 is movably connected with a third supporting rod 12, and the other ends of the second supporting rod 9 and the third supporting rod 12 are movably connected with a pressing plate 13, the other side of the pressing plate 13 is fixedly connected with a sealing block 14, the rotating shaft 3 is rotated through the matching of the rotating shaft 3, the transmission mechanism 4, the fixed shaft 5, the threaded rod 6, the threaded sleeve 7, the first supporting rod 8, the second supporting rod 9, the sliding sleeve 10, the sliding rod 11, the third supporting rod 12, the pressing plate 13 and the sealing block 14, the rotating shaft 3 is driven to rotate by the rotating shaft 3 through the transmission mechanism 4 and the fixed shaft 5, the threaded rod 6 drives the threaded sleeve 7 to move towards the center, the threaded sleeve 7 drives the sliding sleeve 10 to slide on the sliding rod 11 through the first supporting rod 8, the sliding sleeve 10 drives the pressing plate 13 to move through the third supporting rod 12, meanwhile, the threaded sleeve 7 drives the pressing plate 13 to move through the second supporting rod 9, the sealing performance between the civil air defense door body 1 and the wall body is improved, external smoke is prevented from entering the room, thereby reach the better effect of sealing performance, solved the relatively poor problem of current device sealing performance.

During the use, rotatory pivot 3, pivot 3 passes through drive mechanism 4 and fixed axle 5 and drives threaded rod 6 rotatory, threaded rod 6 drives thread bush 7 and removes to center department, thread bush 7 drives sliding sleeve 10 through first bracing piece 8 and slides on slide bar 11, sliding sleeve 10 drives clamp plate 13 through third bracing piece 12 and removes, thread bush 7 drives clamp plate 13 through second bracing piece 9 and removes simultaneously, increase the leakproofness between people's air defense door body 1 and the wall body, prevent that outside flue gas from getting into indoorly, thereby reach the better effect of sealing performance.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, 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 that sealing performance is good, includes people's air defense door body (1) and door frame (2), its characterized in that: the civil air defense door is characterized in that the door frame (2) is hinged with a civil air defense door body (1) through a hinge, a through hole is formed in the front of the civil air defense door body (1), a rotating shaft (3) is movably connected to the inner cavity of the through hole through a bearing seat, a transmission mechanism (4) is fixedly connected to the surface of the rotating shaft (3), the transmission mechanism (4) comprises a driving bevel gear (41) and a driven bevel gear (42), a fixed shaft (5) is fixedly connected to the axis of the driven bevel gear (42), threaded rods (6) are fixedly connected to the two ends of the fixed shaft (5), a threaded sleeve (7) is sleeved on the surface of each threaded rod (6), a first supporting rod (8) is movably connected to the surface of each threaded sleeve (7), a second supporting rod (9) is movably connected to the right side of each first supporting rod (8), and a sliding sleeve (10) is movably connected to the other end of each first supporting rod (8), the inner cavity sliding connection of sliding sleeve (10) has slide bar (11), the surperficial swing joint of sliding sleeve (10) has third bracing piece (12), the equal swing joint of the other end of second bracing piece (9) and third bracing piece (12) has clamp plate (13), the opposite side fixedly connected with sealing block (14) of clamp plate (13).

2. The civil air defense door with good sealing performance as claimed in claim 1, wherein: the surface of the rotating shaft (3) is fixedly connected with a driving bevel gear (41), and the surface of the driving bevel gear (41) is meshed with a driven bevel gear (42).

3. The civil air defense door with good sealing performance as claimed in claim 1, wherein: the number of the threaded rods (6) is two, and the thread directions of the surfaces of the two threaded rods (6) are opposite.

4. The civil air defense door with good sealing performance as claimed in claim 1, wherein: the both ends of slide bar (11) are fixed connection with fixed plate (15), one side of fixed plate (15) and the inner chamber fixed connection of people's air defense door body (1).

5. The civil air defense door with good sealing performance as claimed in claim 1, wherein: the other end of the threaded rod (6) is movably connected with a mounting plate (16) through a bearing seat, and the other end of the rotating shaft (3) is fixedly connected with a handle wheel (17).

6. The civil air defense door with good sealing performance as claimed in claim 1, wherein: the surface of people's air defense door body (1) is provided with inoxidizing coating (18), inoxidizing coating (18) are including heat insulating layer (181) and wearing layer (182).