CN211473892U

CN211473892U - Steel construction drop formula protective air-tight door

Info

Publication number: CN211473892U
Application number: CN201922089197.1U
Authority: CN
Inventors: 王长明; 潘文华
Original assignee: Hubei Zhucheng Civil Air Defense Engineering Protection Equipment Co ltd
Current assignee: Hubei Zhucheng Civil Air Defense Engineering Protection Equipment Co ltd
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-09-11
Anticipated expiration: 2029-11-27

Abstract

The utility model discloses a steel construction dropout formula protective airtight door, it includes the door leaf, the movable pulley, the slip track, the thread bush, the screw thread lead screw, servo motor and pre-buried connecting piece, the movable pulley is installed on the upper portion of door leaf side, the door leaf passes through movable pulley and slip track sliding connection, the movable pulley passes through first connecting axle fixed connection on the door leaf, the thread bush is installed to the lower part of door leaf side, the thread bush passes through second connecting axle and door leaf fixed connection, the door leaf passes through the thread bush and fixed connection on the door leaf, the lower extreme of screw thread lead screw passes output shaft fixed connection on bottom plate and servo motor upper portion, outer wall and pre-buried connecting piece fixed connection on slip track upper portion. The utility model discloses a door leaf, movable pulley, slip track, thread bush, screw lead screw, servo motor and pre-buried connecting piece that set up have solved the door leaf groove that needs reserve sufficient space on the upper portion of door leaf, need great installation space, are not convenient for install the door leaf to the engineering volume is great, the higher problem of expense.

Description

Steel construction drop formula protective air-tight door

Technical Field

The utility model relates to a people's air defense door technical field specifically is a steel construction drop formula protective airtight door.

Background

Protective airtight doors are often applied to civil air defense engineering, and the protective airtight doors can block shock waves to meet corresponding resistance requirements. The door leaf of falling type series people's air defense door can go up and down, and it is comparatively convenient to open and close, consequently receives very extensive application, when falling type airtight door installation, needs reserve the door leaf groove in enough space on the upper portion of door leaf, so needs great installation space, leads to being not convenient for install the door leaf at less people's air defense entrance position to the engineering volume is great, and the expense is higher.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a steel construction drop formula protective airtight door has solved the door leaf groove that needs reserved sufficient space on the upper portion of door leaf, needs great installation space, the installation door leaf of being not convenient for to the engineering volume is great, the higher problem of expense.

The utility model provides a steel construction formula of falling protective sealed door, includes door leaf, movable pulley, slip track, thread bush, screw lead screw, servo motor and pre-buried connecting piece, the movable pulley is installed on the upper portion of door leaf side, the door leaf passes through movable pulley and slip track sliding connection, the movable pulley passes through first connecting axle fixed connection on the door leaf, the thread bush is installed to the lower part of door leaf side, the thread bush passes through second connecting axle and door leaf fixed connection, the door leaf passes through thread bush and fixed connection on the door leaf, the lower extreme of screw lead screw passes output shaft fixed connection on bottom plate and servo motor upper portion, outer wall and pre-buried connecting piece fixed connection on slip track upper portion.

The utility model provides a steel construction falling type protective airtight door is through the slip track that sets up, the door leaf is when opening, settle in the orbital upper portion of sliding part position department of buckling temporarily, need not solitary offer the door leaf groove on door leaf upper portion, great reduction the required space of door leaf installation, and the door leaf is settled on the slip track, only need to fix to its slip track can, installation easy operation is convenient, the engineering volume is less, convenient quick installation, therefore, the clothes hanger is strong in practicability, convenient to popularize and use, the door leaf groove that needs reserve sufficient space on the upper portion of door leaf has been solved, need great installation space, be not convenient for install the door leaf, and the engineering volume is great, the higher problem of expense.

Drawings

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

FIG. 2 is a schematic view of the open state of the door leaf of the present invention;

fig. 3 is a schematic front view of the door leaf of fig. 1 according to the present invention;

fig. 4 is a schematic view of the connection between the sliding wheel and the sliding rail in fig. 1 according to the present invention.

The reference numbers in the figures are:

1. a door leaf; 2. a sliding wheel; 3. a sliding track; 4. a threaded sleeve; 5. a threaded lead screw; 6. a base plate; 7. a servo motor; 8. a motor protective outer cover; 9. a support bar; 10. pre-burying a connecting piece; 11. a first connecting shaft; 12. a second connecting shaft; 13. a bearing; 14. a wheel 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. 1-4, the present invention provides a steel structure falling type protective airtight door, which comprises a door leaf 1, a sliding wheel 2, a sliding track 3, a threaded sleeve 4, a threaded lead screw 5, a servo motor 7 and a pre-embedded connector 10, wherein the sliding wheel 2 is installed on the upper portion of the side edge of the door leaf 1, the door leaf 1 is slidably connected with the sliding track 3 through the sliding wheel 2, so that the door leaf 1 can slide on the sliding track 3 by using the sliding wheel 2, thereby ensuring the smooth movement of the door leaf 1 on the sliding track 3, the sliding wheel 2 is fixedly connected with the door leaf 1 through a first connecting shaft 11, the first connecting shaft 11 is convenient for the connection between the sliding wheel 2 and the door leaf 1, so as to improve the stability of the sliding wheel 2, the threaded sleeve 4 is installed on the lower portion of the side edge of the door leaf 1, the threaded sleeve 4 is fixedly connected with the door leaf 1 through a second connecting shaft 12, the door, the lower part of the door leaf 1 is conveniently fixed on a threaded screw rod 5 by utilizing a threaded sleeve 4, the lower end of the threaded screw rod 5 passes through a bottom plate 6 and is fixedly connected with an output shaft at the upper part of a servo motor 7, the model of the servo motor 7 is D180M-O250030C-E, the servo motor 7 operates to drive the threaded screw rod 5 to rotate, the threaded screw rod 5 pushes the threaded sleeve 4 under the condition of rotation, thereby utilizing the movement of the thread sleeve 4 to drive the door leaf 1 to move on the sliding track 3, completing the operation of upward moving, opening, descending and closing the door leaf 1, the outer wall of the upper part of the sliding track 3 is fixedly connected with the embedded connecting piece 10, the embedded connecting piece 10 is directly embedded in the wall at the installation position, and the lower part of the pre-buried connecting piece 10 is connected with the sliding track 3, the upper part of the sliding track 3 is fixed, thereby promoting the stability of sliding rail 3, the sliding rail 3 of being convenient for guarantees the normal removal of door leaf 1.

Further, movable pulley 2 and thread bush 4 all are provided with two, and movable pulley 2 and thread bush 4 all are about the axis symmetric distribution of door leaf 1, the movable pulley 2 and the thread bush 4 of setting in 1 both sides of door leaf have promoted the stability of door leaf 1 greatly, be convenient for guarantee that door leaf 1 can be stable reciprocate on slip track 3, movable pulley 2 is installed on the end position of the outside first connecting axle 11 in 1 both sides of door leaf, and movable pulley 2 rotates with first connecting axle 11 to be connected, movable pulley 2 is connected with first connecting axle 11 pivoted, be convenient for movable pulley 2 rolls in the inside of slip track 3, guarantee that door leaf 1 is smooth and easy to move on slip track 3.

Further, thread bush 4 is installed on the end position of the outside second connecting axle 12 in door leaf 1 both sides, and thread bush 4 rotates through bearing 13 and second connecting axle 12 and is connected, bearing 13 and thread bush 4's outer wall fixed connection, and bearing 13 rotates with second connecting axle 12 and is connected, bearing 13's setting makes things convenient for between thread bush 4 and the second connecting axle 12 to rotate and is connected, be convenient for thread bush 4 rotate with second connecting axle 12 when moving on screw lead screw 5, thereby it is together connected to guarantee that thread bush 4 can be through stable between second connecting axle 12 and the door leaf 1 when door leaf 1 removes, promote the stability that door leaf 1 removed.

Furthermore, a wheel groove 14 is arranged at a position, corresponding to the sliding wheel 2, on the inner wall of the sliding track 3, the wheel groove 14 is fixedly connected with the inner wall of the sliding track 3, a sliding groove matched with the sliding wheel 2 is formed in the wheel groove 14, and the arrangement of the wheel groove 14 limits the track of the sliding wheel 2 moving inside the sliding track 3, so that the sliding wheel 2 can stably slide inside the sliding track 3.

Further, the upper portion outer wall of slip track 3 and the lower part welded connection of pre-buried connecting piece 10, slip track 3 wholly is L shape, pre-buried connecting piece 10 set up and promoted the fixed stability of slip track 3 installation greatly, slip track 3 deviates from and installs bracing piece 9 between the outer wall of pre-buried connecting piece 10 one side, the both ends of bracing piece 9 all with slip track 3's outer wall welded connection, bracing piece 9 set up be convenient for at ware inboard support column slip track 3, be convenient for strengthen the stability of self when 3 upper portion bearing of slip track.

Further, servo motor 7 passes through motor cabinet and 6 fixed connection of bottom plate, and servo motor 7's outside is covered with motor protection dustcoat 8, and motor protection dustcoat 8 fixed connection is on bottom plate 6, and motor protection dustcoat 8 covers in servo motor 7's outside, plays the effect of protection servo motor 7, guarantees the operation that servo motor 7 can be stable.

The working principle is as follows: when the door leaf 1 needs to be opened in the using process, the servo motor 7 operates to drive the threaded screw rod 5 to rotate, the threaded screw rod 5 drives the threaded sleeve 4 to move upwards, the threaded sleeve 4 moves upwards and simultaneously pushes the door leaf 1 to move upwards, the sliding wheel 2 on the upper portion of the door leaf 1 slides on the wheel groove 14 in the sliding track 3, the door leaf 1 is temporarily arranged on the upper left portion of the sliding track 3, when the door leaf 1 needs to be closed, the servo motor 7 operates to drive the threaded sleeve 4 to move downwards by utilizing the threaded screw rod 5, so that the lower portion of the door leaf 1 is driven to move upwards and downwards on the sliding track 3, the upper portion of the door leaf 1 slides downwards on the sliding track 3 through the sliding wheel 2, and the door leaf 1 is moved to the initial position.

To sum up can, the utility model discloses a door leaf 1, movable pulley 2, slip track 3, thread bush 4, screw lead screw 5, servo motor 7 and pre-buried connecting piece 10 that set up have solved the door leaf groove that needs reserve sufficient space on the upper portion of door leaf, need great installation space, the installation door leaf of being not convenient for to the engineering volume is great, the higher problem of expense.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 steel construction formula protective air-tight door that falls, its includes door leaf (1), movable pulley (2), slip track (3), thread bush (4), screw lead screw (5), servo motor (7) and pre-buried connecting piece (10), its characterized in that: the sliding wheel (2) is installed on the upper portion of the side edge of the door leaf (1), the door leaf (1) is connected with the sliding track (3) in a sliding mode through the sliding wheel (2), the sliding wheel (2) is fixedly connected to the door leaf (1) through a first connecting shaft (11), the threaded sleeve (4) is installed on the lower portion of the side edge of the door leaf (1), the threaded sleeve (4) is fixedly connected with the door leaf (1) through a second connecting shaft (12), the door leaf (1) is fixedly connected to the door leaf (1) through the threaded sleeve (4), the lower end of the threaded screw rod (5) penetrates through the bottom plate (6) and is fixedly connected with an output shaft on the upper portion of the servo motor (7), and the outer wall on the upper portion of the sliding track (3) is fixedly connected with the embedded.

2. The steel structure drop-down protective airtight door according to claim 1, characterized in that: the door is characterized in that the sliding wheels (2) and the threaded sleeves (4) are arranged in two numbers, the sliding wheels (2) and the threaded sleeves (4) are symmetrically distributed about the central axis of the door leaf (1), the sliding wheels (2) are installed on the end parts of the first connecting shafts (11) outside the two sides of the door leaf (1), and the sliding wheels (2) are rotatably connected with the first connecting shafts (11).

3. The steel structure drop-down protective airtight door according to claim 2, characterized in that: the threaded sleeve (4) is installed on the end part of the second connecting shaft (12) outside the two sides of the door leaf (1), the threaded sleeve (4) is rotatably connected with the second connecting shaft (12) through a bearing (13), the bearing (13) is fixedly connected with the outer wall of the threaded sleeve (4), and the bearing (13) is rotatably connected with the second connecting shaft (12).

4. The steel structure drop-down protective airtight door according to claim 1, characterized in that: a wheel groove (14) is arranged at the position, corresponding to the sliding wheel (2), on the inner wall of the sliding track (3), the wheel groove (14) is fixedly connected with the inner wall of the sliding track (3), and a sliding groove matched with the sliding wheel (2) is formed in the wheel groove (14).

5. The steel structure falling type protective airtight door according to claim 4, wherein: the upper portion outer wall of slip track (3) and the lower part welded connection of pre-buried connecting piece (10), slip track (3) wholly is L shape, slip track (3) deviate from between the outer wall of pre-buried connecting piece (10) one side and install bracing piece (9), the both ends of bracing piece (9) all with the outer wall welded connection of slip track (3).

6. The steel structure drop-down protective airtight door according to claim 1, characterized in that: servo motor (7) are through motor cabinet and bottom plate (6) fixed connection, servo motor (7) outside is covered with motor protection dustcoat (8), motor protection dustcoat (8) fixed connection is on bottom plate (6).