CN211258346U

CN211258346U - Protective airtight door with reinforced concrete movable doorsill

Info

Publication number: CN211258346U
Application number: CN201921587948.6U
Authority: CN
Inventors: 徐强益; 徐贵元
Original assignee: Hubei Huchang Protection Equipment Science & Technology Co ltd
Current assignee: Hubei Huchang Protection Equipment Science & Technology Co ltd
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-08-14
Anticipated expiration: 2029-09-20

Abstract

The utility model discloses a reinforced concrete threshold protective airtight door that lives, including ground, fixed block, sealing door body and second stand, first stand is installed to the up end on ground, link to each other through the loose axle between the fixed block, the lower corner of sealing door body is provided with the connecting axle, and the outside cover of connecting axle is equipped with first gear, the second gear is installed to the avris of first gear, the bottom of sealing door body is connected with the activity threshold, the avris of sealing door body is fixed with fixed section of thick bamboo, the avris of sealing door body is fixed with the magnet piece, the second stand is installed in the end department of magnet piece. This reinforced concrete threshold protective airtight door that lives, the threshold is followed opening and closing synchronous motion of sealing door, can not influence the planarization on ground when the sealing door is opened like this to can avoid long-time use the back sealing door to the produced damage of threshold striking, and then promoted the good leakproofness of sealing door.

Description

Protective airtight door with reinforced concrete movable doorsill

Technical Field

The utility model relates to a people's air defense door technical field specifically is reinforced concrete threshold protective airtight door that lives.

Background

People's air defense door refers to the door that people's protection engineering export entrance set up, and this door is widely used because of having fine leakproofness, because the sealing door can't be direct and closely laminate between the ground, can influence opening and shutting of sealing door, consequently can leave the clearance between sealing door and the ground usually, consequently need set up the threshold and increase the leakproofness after the sealing door closes, nevertheless current protection sealing door still has following shortcoming in the use:

at present, the threshold used for guaranteeing the sealing performance is mostly fixedly installed on the ground, the threshold cannot be rapidly stored according to the use requirement, the pushing during the carrying of articles is not facilitated, the fixed threshold is damaged in different degrees due to the fact that the threshold is impacted by the sealing door for a long time, the sealing performance of the sealing door is further influenced, and innovative design is urgently needed on the basis of the original protective sealing door according to the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reinforced concrete threshold protective airtight door that lives to solve above-mentioned background art and propose that the threshold that uses in order to guarantee the leakproofness at present is fixed mounting on ground mostly, can't accomodate the threshold according to the user demand is quick, is unfavorable for the propulsion when article transport, and fixed threshold receives the striking of sealing door for a long time and can cause the damage in the different degree, and then can influence the sealing performance's of sealing door problem.

In order to achieve the above object, the utility model provides a following technical scheme: reinforced concrete threshold protective airtight door, including ground, fixed block, sealing door body and second stand, first stand is installed to the up end on ground, and the avris of first stand is fixed with the fixed block, link to each other through the loose axle between the fixed block, and the avris of loose axle installs the sealing door body, the lower corner of sealing door body is provided with the connecting axle, and the outside cover of connecting axle is equipped with first gear, the second gear is installed to the avris of first gear, and the avris of second gear and fixed block link to each other, the bottom of sealing door body is connected with movable threshold, and the edge of movable threshold is pasted and is had first sealing strip, the avris of sealing door body is fixed with the fixed cylinder, and the end department of fixed cylinder links to each other through connecting rod and movable threshold, the avris of sealing door body is fixed with the magnet piece, and the avris of magnet piece is provided with the second sealing strip, the second upright post is arranged at the end of the magnet block, and a limit groove is reserved in the second upright post at the outer side of the magnet block.

Preferably, first gear and second gear are fan-shaped structure, both mutually perpendicular, and the edge of first gear and second gear meshes mutually to first gear passes through connecting axle and sealing door body and is the rotation connection, and second gear and fixed block are fixed connection simultaneously.

Preferably, the movable threshold and the sealing door body are connected through a hinge, and the movable threshold and the first sealing strip are thermally bonded.

Preferably, the fixed cylinder and the connecting rod are in sliding connection and both are arc-shaped structures, and the arc centers of the fixed cylinder and the connecting rod coincide with the rotating circle center of the connecting shaft.

Preferably, the magnet piece sets up between 2 second sealing strips, and the second stand that links to each other with the magnet piece is the steel material.

Compared with the prior art, the beneficial effects of the utility model are that: according to the reinforced concrete movable threshold protective airtight door, the threshold moves synchronously with the opening and closing of the sealing door, so that the flatness of the ground is not influenced when the sealing door is opened, the damage of the sealing door to the threshold caused by impact after long-time use can be avoided, and the good sealing performance of the sealing door is further improved;

1. when the sealing door is opened and rotated, the movable threshold can be driven to synchronously rotate through the inclined bottom surface, and the first gear meshed with the second gear is driven to rotate, so that when the sealing door is closed, the movable threshold can be driven to rotate to a vertical state through the 2 meshed gears, and the sealing property is further kept;

2. when the sealing door is closed, the magnet block can be driven to be adsorbed on the second stand column, so that the second sealing strip is driven to be tightly attached to the second stand column, and the sealing performance of the opening of the sealing door and the second stand column is further guaranteed.

Drawings

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

FIG. 2 is a schematic side sectional view of the present invention;

fig. 3 is a schematic top view of the gear of the present invention;

fig. 4 is a schematic top view of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 4 according to the present invention.

In the figure: 1. a ground surface; 2. a first upright post; 3. a fixed block; 4. a movable shaft; 5. a sealing door body; 6. a connecting shaft; 7. a first gear; 8. a second gear; 9. a movable threshold; 10. a first seal strip; 11. a fixed cylinder; 12. a connecting rod; 13. a magnet block; 14. a second seal strip; 15. a second upright post; 16. a limiting groove.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a reinforced concrete movable threshold protective airtight door comprises a ground 1, a first upright post 2, a fixed block 3, a movable shaft 4, a sealing door body 5, a connecting shaft 6, a first gear 7, a second gear 8, a movable threshold 9, a first sealing strip 10, a fixed cylinder 11, a connecting rod 12, a magnet block 13, a second sealing strip 14, a second upright post 15 and a limiting groove 16, wherein the first upright post 2 is installed on the upper end face of the ground 1, the fixed block 3 is fixed on the lateral side of the first upright post 2, the fixed blocks 3 are connected through the movable shaft 4, the sealing door body 5 is installed on the lateral side of the movable shaft 4, the connecting shaft 6 is arranged at the lower corner of the sealing door body 5, the first gear 7 is sleeved on the outer side of the connecting shaft 6, the second gear 8 is installed on the lateral side of the first gear 7, the lateral side of the second gear 8 is connected with the fixed block 3, the movable threshold 9 is connected with, a first sealing strip 10 is adhered to the edge of the movable threshold 9, a fixed cylinder 11 is fixed on the side of the sealing door body 5, the end of the fixed cylinder 11 is connected with the movable threshold 9 through a connecting rod 12, a magnet block 13 is fixed on the side of the sealing door body 5, a second sealing strip 14 is arranged on the side of the magnet block 13, a second upright post 15 is installed at the end of the magnet block 13, and a limiting groove 16 is reserved in the second upright post 15 on the outer side of the magnet block 13;

the first gear 7 and the second gear 8 are both in fan-shaped structures and are perpendicular to each other, the edges of the first gear 7 and the second gear 8 are meshed, the first gear 7 is rotatably connected with the sealing door body 5 through the connecting shaft 6, meanwhile, the second gear 8 is fixedly connected with the fixing block 3, the movable doorsill 9 is hinged with the sealing door body 5, the movable doorsill 9 is thermally bonded with the first sealing strip 10, when the sealing door body 5 is closed, the movable doorsill 9 can be driven to rotate to a vertical state through the meshed first gear 7 and the meshed second gear 8, and further a gap is prevented from being generated between the sealing door body 5 and the ground 1;

the fixed cylinder 11 and the connecting rod 12 are in sliding connection and are both arc-shaped structures, the arc centers of the fixed cylinder 11 and the connecting rod 12 are coincided with the rotating circle center of the connecting shaft 6, and the connecting rod 12 is driven to stretch in the fixed cylinder 11 when the movable threshold 9 rotates, so that the rotating range of the movable threshold 9 is limited;

magnet piece 13 sets up between 2 second sealing strips 14, and the second stand 15 that links to each other with magnet piece 13 is steel, can drive magnet piece 13 and second stand 15 and adsorb mutually when rotating sealing door body 5, and then let closely laminate between second sealing strip 14 and the second stand 15.

The working principle is as follows: when the reinforced concrete movable threshold protective airtight door is used, as shown in fig. 1-3, firstly, when the sealing door body 5 needs to be opened, the sealing door body is pulled to rotate through the movable shaft 4, as shown in fig. 2, because the ground 1 is obliquely arranged, the sealing door body 5 can drive the movable threshold 9 to synchronously rotate when rotating, the movable threshold 9 drives the connecting rod 12 to stretch out and draw back in the fixed cylinder 11 when rotating, so that the rotating range of the movable threshold 9 is limited, as shown in fig. 3, the sealing door body 5 drives the first gear 7 meshed with the second gear 8 to rotate on the sealing door body 5 through the connecting shaft 6, so that when the sealing door body 5 is closed, the movable threshold 9 can be driven to rotate to a vertical state through the first gear 7 and the second gear 8 which are meshed with each other, and further, a gap is prevented from being generated between the sealing door body 5 and the ground 1;

as shown in fig. 1 and fig. 4-5, the magnet block 13 can be driven to be adsorbed on the second column 15 when the sealing door body 5 is rotated, and as shown in fig. 5, the magnet block 13 is clamped into the limiting groove 16, so that the second sealing strip 14 and the second column 15 are tightly attached to each other, and the sealing performance of the sealing door body 5 is ensured.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. Reinforced concrete activity threshold protective airtight door, including ground (1), fixed block (3), sealing door body (5) and second stand (15), its characterized in that: the sealing door is characterized in that a first stand column (2) is installed on the upper end face of the ground (1), a fixing block (3) is fixed to the side of the first stand column (2), the fixing block (3) is connected with each other through a movable shaft (4), a sealing door body (5) is installed on the side of the movable shaft (4), a connecting shaft (6) is arranged at the lower corner of the sealing door body (5), a first gear (7) is sleeved on the outer side of the connecting shaft (6), a second gear (8) is installed on the side of the first gear (7), the side of the second gear (8) is connected with the fixing block (3), a movable threshold (9) is connected to the bottom of the sealing door body (5), a first sealing strip (10) is pasted at the edge of the movable threshold (9), a fixing barrel (11) is fixed to the side of the sealing door body (5), and the end of the fixing barrel (11) is connected with the movable threshold (9) through a connecting rod (12), the avris of sealing door body (5) is fixed with magnet piece (13), and the avris of magnet piece (13) is provided with second sealing strip (14), the end department at magnet piece (13) is installed in second stand (15), and has spacing groove (16) in second stand (15) in the magnet piece (13) outside in advance.

2. The reinforced concrete movable threshold protective airtight door of claim 1, wherein: first gear (7) and second gear (8) are fan-shaped structure, both mutually perpendicular, and the edge mesh of first gear (7) and second gear (8) to first gear (7) are connected for rotating through connecting axle (6) and sealing door body (5), and second gear (8) and fixed block (3) are fixed connection simultaneously.

3. The reinforced concrete movable threshold protective airtight door of claim 1, wherein: the movable threshold (9) is connected with the sealing door body (5) through a hinge, and the movable threshold (9) is thermally bonded with the first sealing strip (10).

4. The reinforced concrete movable threshold protective airtight door of claim 1, wherein: the fixed cylinder (11) and the connecting rod (12) are in sliding connection and are both arc-shaped structures, and the arc center of the fixed cylinder (11) and the arc center of the connecting rod (12) coincide with the rotating circle center of the connecting shaft (6).

5. The reinforced concrete movable threshold protective airtight door of claim 1, wherein: the magnet blocks (13) are arranged among the 2 second sealing strips (14), and the second upright posts (15) connected with the magnet blocks (13) are made of steel.