CN218787074U

CN218787074U - Explosion-proof steel structure movable threshold double-leaf protective airtight door

Info

Publication number: CN218787074U
Application number: CN202223090589.8U
Authority: CN
Inventors: 孙福生; 吴建; 代朝玉
Original assignee: Sichuan Jikun Special Equipment Co ltd
Current assignee: Sichuan Jikun Special Equipment Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-04-04
Anticipated expiration: 2032-11-17

Abstract

The utility model relates to an explosion-proof steel construction threshold bi-leaf protective airtight door that lives belongs to the technical field of airtight door, include: the door frame is arranged in a door hole on a wall body, two door bodies are arranged, and the two door bodies are hinged to the door frame; the bottom of the door frame is provided with a threshold, and a fastening bolt in threaded connection with the installation ground is arranged on the threshold in a penetrating manner; the door body is provided with a first gear and first inserting rods, the first gear is rotationally connected with the door body, the first inserting rods are connected with the door body in a sliding mode along the height direction of the door body, one first gear corresponds to the two first inserting rods, and the two first inserting rods are arranged on two sides of the first gear at intervals along the width direction of the door body; the opposite sides of the two first inserting rods are provided with first racks, and the first racks are meshed with the first gears; the top of the door frame and the doorsill are both provided with a first slot, and the first inserted link can be inserted into the first slot; the door body is also provided with a locking assembly used for limiting the rotation of the first gear. The application simplifies the operation of reinforcing the airtight door body.

Description

Explosion-proof steel structure movable threshold double-leaf protective airtight door

Technical Field

The application relates to the technical field of airtight doors, in particular to an explosion-proof steel structure movable threshold double-leaf protective airtight door.

Background

The protective airtight door is also called a civil defense door, and refers to protective equipment installed at an entrance and an exit of civil protection engineering, and is mainly used for blocking shock waves and isolating toxic gases, and when an accident occurs, the safety of people can be guaranteed by closing the protective airtight door. The protective sealed door can be divided into a fixed doorsill, a falling doorsill and a movable doorsill. The fixed doorsill has low manufacturing cost, but cannot be moved, so that people and vehicles cannot conveniently get in and out; the falling type threshold needs to overcome gravity when being opened and closed, the required driving force is large, and the manufacturing cost is high. Therefore, the movable threshold protective airtight door with lower manufacturing cost and convenient opening and closing is more and more favored.

At present, chinese patent with publication number CN216406616U discloses an explosion-proof steel structure movable threshold double-leaf protective airtight door, which comprises an airtight door body and a door frame body, wherein four corners of the airtight door body are provided with mounting plates and rotating bearings, the edge of the upper surface of the airtight door body is fixedly connected with a fixed sleeve, a reinforcing insertion block is inserted into the fixed sleeve, the surface of the reinforcing insertion block is provided with a fixed threaded hole, the outer part of the fixed sleeve is connected with a screwing rod in a threaded manner, the front side of the airtight door body is provided with two rotating discs, the surface of the opening and closing part of the airtight door body is provided with a fastening base, the fastening base is internally provided with a locking insertion rod, and the outer tail end of the locking insertion rod is provided with a locking head; the bottom of the door frame body is provided with a doorsill, the two sides of the doorsill are in threaded connection with fastening bolts through threaded holes formed in the doorsill, the bottom ends of the fastening bolts are fixed on the installation ground, reinforcing slots are formed in the surface of the fastening bolts, and the doorsill is fixed on the installation ground through the fastening bolts. Above-mentioned technical scheme consolidates the airtight door body once more through consolidating the inserted block to take place the damage when preventing the airtight door body from receiving the blasting, thereby improved the steadiness of the airtight door body in the use.

To the above-mentioned correlation technique, the inventor finds that, when sliding and fixing the higher reinforcement inserted block in the upper end of the sealed door body, the operator is inconvenient to operate, and often needs to finish the reinforcement under the assistance of a climbing tool, so the operation of reinforcing the sealed door body is troublesome.

SUMMERY OF THE UTILITY MODEL

In order to simplify the operation of consolidating the airtight door body, this application provides a steel construction threshold biparting protective airtight door of preventing blasting.

The utility model provides an explosion-proof steel construction threshold biparting protective airtight door that lives, it includes: the door frame is arranged in a door hole on a wall body, the number of the door bodies is two, and the two door bodies are hinged to the door frame; a threshold is arranged at the bottom of the door frame, a fastening bolt penetrates through the threshold and is in threaded connection with the installation ground;

the door body is provided with a first gear and first inserting rods, the first gear is rotatably connected with the door body, the first inserting rods are connected with the door body in a sliding mode along the height direction of the door body, one first gear corresponds to two first inserting rods, and the two first inserting rods are arranged on two sides of the first gear at intervals along the width direction of the door body; the opposite sides of the two first inserting rods are provided with first racks, and the first racks are meshed with the first gears; first slots are formed in the top of the door frame and the doorsill, and the first inserting rod can be inserted into the first slots;

the door body is further provided with a locking assembly used for limiting the first gear to rotate.

By adopting the technical scheme, after the door body is closed, the first gear is rotated to drive the two first inserting rods meshed with the first gear to slide, the sliding directions of the two first inserting rods are opposite, one of the first inserting rods slides upwards and is inserted into the first slot on the door frame; the other first inserting rod slides downwards and is inserted into the first slot on the threshold, and then the locking assembly limits the rotation of the first gear, so that the reinforcement of the door body is completed. Because first gear can set up in the middle part of the door body, the operating personnel of being convenient for operate need not with the help of the instrument of ascending a height, can peg graft higher first inserted bar in the first slot on the door frame, and can peg graft in first slot simultaneously by two first inserted bars to the operation of consolidating the airtight door body has been simplified.

Optionally, the locking assembly includes a locking block, and teeth adapted to the first gear are formed on the locking block;

the driving piece is installed on the door body, the telescopic end of the driving piece is fixedly connected with the locking block, and the driving piece is used for driving the tooth to be inserted in the groove of the first gear.

Through adopting above-mentioned technical scheme, when needing the first gear rotation of restriction, start the driving piece, the driving piece drive locking piece removes to the tooth that sets up on the messenger locking piece is pegged graft in the recess of first gear, and first gear will not rotate under the blockking of tooth this moment.

Optionally, the door body is provided with a plurality of first gears and a plurality of groups of first inserted rods corresponding to the first gears.

Through adopting above-mentioned technical scheme, set up a plurality of first inserted bars that a plurality of first gear drive correspond and consolidate the door body to take place the damage when preventing that the door body from receiving the blasting, thereby improved the steadiness of the door body in the use.

Optionally, the protective airtight door further comprises a linkage assembly for driving the first gears to rotate simultaneously.

Through adopting above-mentioned technical scheme, the linkage subassembly can drive a plurality of first gears simultaneously and rotate to make the shutting of the completion door body that operating personnel can be faster consolidate.

Optionally, the linkage assembly comprises a linkage rod, and the linkage rod is rotatably connected with the door body;

a plurality of linkage bevel gears are arranged, and the plurality of linkage bevel gears are coaxially and fixedly connected with the linkage rod;

the first bevel gears are coaxially and fixedly connected with first bevel gears, the first bevel gears correspond to the first bevel gears one to one, and the first bevel gears are meshed with the linkage bevel gears in a one to one correspondence mode.

By adopting the technical scheme, the linkage rod is rotated, and the plurality of linkage bevel gears which are coaxially and fixedly connected with the linkage rod rotate simultaneously, so that the linkage bevel gears drive the corresponding first bevel gears to rotate, and further the plurality of first gears rotate simultaneously.

Optionally, the linkage assembly further includes a driving motor, the driving motor is mounted on the door body, and an output shaft of the driving motor is coaxially and fixedly connected with the linkage rod.

By adopting the technical scheme, the linkage rod is driven to rotate by the driving motor, so that the efficiency is higher.

Optionally, a second gear and a second inserted link are arranged on the door body, the second gear is rotatably connected to one side of the door body, which is far away from the hinge shaft, the second inserted link is connected with the door body in a sliding manner along the width direction of the door body, a second rack is arranged on the second inserted link, and the second rack is engaged with the second gear;

the door body is also provided with an insertion block, the insertion block is provided with a second slot, and the second insertion rod on one door body can be inserted into the second slot on the other door body.

By adopting the technical scheme, when the two door bodies are closed, the second inserting rod on one door body is inserted into the second inserting groove on the other door body, so that the two door bodies are connected into a whole, and the stability of the protective airtight door is enhanced.

Optionally, a second bevel gear is coaxially and fixedly connected to the second gear, and the second bevel gear is engaged with a linkage bevel gear on the linkage rod.

Through adopting above-mentioned technical scheme, can drive the second gear simultaneously and rotate when rotating the gangbar to make when strengthening protective airtight door's steadiness, not increase protective airtight door shutting's operating procedure.

Optionally, protective air-tight door still includes the protection casing, the protection casing with the connection can be dismantled to the door body, the protection casing is used for covering respectively and establishes first gear the second gear first inserted bar the second inserted bar and the linkage subassembly.

Through adopting above-mentioned technical scheme, the position that will move keeps apart with personnel, can prevent to a certain extent that first gear, second gear, first inserted bar, second inserted bar and linkage subassembly from causing mechanical injury to personnel.

In summary, the present application includes at least the following beneficial effects:

1. after the door body is closed, the first gear is rotated to drive the two first inserting rods meshed with the first gear to slide, the sliding directions of the two first inserting rods are opposite, and one first inserting rod slides upwards and is inserted into a first slot on the door frame; the other first inserting rod slides downwards and is inserted into the first slot on the threshold, and then the locking assembly limits the rotation of the first gear, so that the reinforcement of the door body is completed. Because first gear can set up in the middle part of the door body, the operating personnel of being convenient for operate need not with the help of the instrument of ascending a height, can peg graft higher first inserted bar in the first slot on the door frame, and can peg graft in first slot simultaneously by two first inserted bars to the operation of consolidating airtight door body has been simplified.

2. The purpose that sets up the linkage subassembly is, and the linkage subassembly can drive a plurality of first gear rotations simultaneously to make the shutting of the completion door body that operating personnel can be very fast consolidate.

3. The purpose of setting up the protection casing is, keeps apart position and personnel that can move, can prevent to a certain extent that first gear, second gear, first inserted bar, second inserted bar and linkage subassembly from causing mechanical injury to personnel.

Drawings

Fig. 1 is a schematic overall structure diagram of one embodiment of the explosion-proof steel structure movable threshold double-leaf protective airtight door;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is an enlarged schematic view of portion B of FIG. 1;

FIG. 4 is an enlarged schematic view of section C of FIG. 1;

fig. 5 is a schematic view of the overall structure of another embodiment of the present application.

Description of the reference numerals: 100. a door frame; 200. a door body; 210. fixing a sleeve; 220. an insertion block; 230. a protective cover; 300. a threshold; 310. fastening a bolt; 400. a first gear; 500. a first plunger; 600. a locking assembly; 610. a locking block; 620. a drive member; 710. a linkage rod; 720. linkage bevel gear; 730. a drive motor; 740. a first bevel gear; 750. a second bevel gear; 800. a second gear; 900. a second plunger.

Detailed Description

The present application will be described in further detail with reference to fig. 1-5.

The application discloses explosion-proof steel construction activity threshold 300 biparting protective airtight door, as an implementation mode of explosion-proof steel construction activity threshold 300 biparting protective airtight door, as shown in attached figure 1 and attached figure 2, it includes: the door comprises a door frame 100 and two door bodies 200, wherein the door frame 100 and the door bodies 200 are made of steel materials, the door frame 100 is installed in a door hole in a wall body, the number of the door bodies 200 is two, and the two door bodies 200 are hinged to the door frame 100; the bottom of the door frame 100 is provided with a door sill 300, fastening bolts 310 penetrate through the door sill 300, an internal thread sleeve is pre-embedded in the installation ground, and the fastening bolts 310 penetrate through the door sill 300 to be in threaded connection with the installation ground; the door body 200 is provided with a first gear 400 and a first inserted link 500, and the first gear 400 is rotatably connected with the door body 200; a plurality of fixing sleeves 210 are welded on the door body 200, the first insertion rods 500 penetrate through the fixing sleeves 210 and are connected with the door body 200 in a sliding manner along the height direction of the door body 200, a first gear 400 corresponds to the two first insertion rods 500, and the two first insertion rods 500 are arranged on two sides of the first gear 400 at intervals along the width direction of the door body 200; a first rack is arranged on one side of each of the two first insertion rods 500, and the first racks are meshed with the first gears 400; the top of the door frame 100 and the doorsill 300 are both provided with first slots, and the first inserting rod 500 can be inserted into the first slots; the door body 200 is further provided with a locking assembly 600 for limiting the rotation of the first gear 400.

It should be noted that the first gear 400 is disposed in the middle of the door body 200, and meanwhile, a handle is welded on the first gear 400, so that the operator can rotate the first gear 400.

As shown in fig. 3, as an embodiment of the locking assembly 600, the locking assembly 600 includes a locking block 610, wherein teeth adapted to the first gear 400 are welded on the locking block 610; driving piece 620, driving piece 620 installs on door body 200, and the flexible end and the latch segment 610 fixed connection of driving piece 620, driving piece 620 are used for driving the tooth socket to connect in the recess of first gear 400.

The driving member 620 may be an electric push rod, an air cylinder, a hydraulic cylinder, or a linear motor, and in this embodiment, the driving member 620 is an electric push rod.

As shown in fig. 1, in order to improve the stability of the door body 200 during the use process, the door body 200 is provided with a plurality of first gears 400 and a plurality of sets of first insertion rods 500 corresponding to the plurality of first gears 400.

In this embodiment, two first gears 400 and four first insertion rods 500 corresponding to the two first gears 400 are provided on one door 200.

As shown in fig. 1 and 2, in order to enable an operator to quickly complete the locking and reinforcing of the door body 200, the protective and airtight door further includes a linkage assembly for simultaneously driving the plurality of first gears 400 to rotate.

As an embodiment of the linkage assembly, the linkage assembly includes a linkage rod 710, and the linkage rod 710 is rotatably connected with the door body 200 through a bearing; a plurality of linkage bevel gears 720 are arranged, and the linkage bevel gears 720 are coaxially welded with the linkage rods 710; first bevel gears 740 are coaxially welded on the first gears 400, the first gears 400 correspond to the first bevel gears 740 in a one-to-one mode, and the first bevel gears 740 are meshed with the linkage bevel gears 720 in a one-to-one mode.

In order to improve the efficiency, the linkage assembly further comprises a driving motor 730, the driving motor 730 is mounted on the door body 200, and an output shaft of the driving motor 730 is coaxially and fixedly connected with the linkage rod 710 through a coupler. In addition, in other embodiments, a turntable can be coaxially welded to the linkage rod 710, and the turntable can be manually rotated by an operator to drive the linkage rod 710.

As shown in fig. 1 and fig. 4, in order to further enhance the stability of the protective airtight door, a second gear 800 and a second insertion rod 900 are arranged on the door body 200, the second gear 800 is rotatably connected to one side of the door body 200 away from the hinge shaft, the second insertion rod 900 is connected with the door body 200 in a sliding manner along the width direction of the door body 200, a second rack is arranged on the second insertion rod 900, and the second rack is engaged with the second gear 800; the door body 200 is further provided with an insertion block 220, the insertion block 220 is provided with a second slot, and a second insertion rod on one door body 200 can be inserted into the second slot on the other door body 200.

It should be noted that, in the present embodiment, the second insertion rod 900 of one door body 200 of the double-leaf protective airtight door is located on one side of the second gear 800 close to the doorsill 300, and the insertion block 220 is located on one side of the second gear 800 close to the top of the doorframe 100; the second inserting rod 900 on the other door body 200 is located on one side of the second gear 800 close to the top of the door frame 100, and the inserting block 220 is located on one side of the second gear 800 far from the top of the door frame 100.

In order to enhance the stability of the protective airtight door and not increase the operation step of locking the protective airtight door, a second bevel gear 750 is coaxially and fixedly connected to the second gear 800, and the second bevel gear 750 is engaged with the linkage bevel gear 720 on the linkage rod 710.

As shown in fig. 5, in order to prevent the protective airtight door from causing mechanical injury to people, the protective airtight door further includes a protective cover 230, the protective cover 230 is detachably connected to the door body 200 through a bolt, and the protective cover 230 is used for respectively covering the first gear 400, the second gear 800, the first insertion rod 500, the second insertion rod 900 and the linkage assembly.

The implementation principle of the embodiment is as follows:

after the door body 200 is closed, the driving motor 730 is started to drive the linkage rod 710 to rotate, so that the linkage bevel gears 720 coaxially and fixedly connected with the linkage rod 710 rotate simultaneously, and the linkage bevel gears 720 drive the corresponding first bevel gears 740 and the second bevel gears 750 to rotate, so that the first gear 400 and the second gear 800 rotate simultaneously. The first gear 400 rotates, the first gear 400 drives the two first inserting rods 500 engaged with the first gear 400 to slide, the sliding directions of the two first inserting rods 500 are opposite, and one of the first inserting rods 500 slides upwards and is inserted into the first slot on the door frame 100; the other first inserting rod 500 slides downwards and is inserted into the first slot on the threshold 300; the second gear 800 rotates to drive the second insertion rod on one door body 200 to slide towards the other door body 200, and the second insertion rod is inserted into the second slot on the other door body 200. Finally, the driving member 620 is started, and the driving member 620 drives the locking block 610 to move, so that the teeth formed on the locking block 610 are inserted into the grooves of the first gear 400, thereby limiting the rotation of the first gear 400 and completing the reinforcement of the door body 200.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an explosion-proof steel construction threshold (300) two protective airtight doors that lives, its characterized in that: the door comprises door frames (100) and two door bodies (200), wherein the door frames (100) are arranged in door openings on a wall body, the number of the door bodies (200) is two, and the two door bodies (200) are hinged on the door frames (100); a doorsill (300) is arranged at the bottom of the door frame (100), a fastening bolt (310) penetrates through the doorsill (300), and the fastening bolt (310) penetrates through the doorsill (300) to be in threaded connection with the installation ground;

the door body (200) is provided with a first gear (400) and first inserting rods (500), the first gear (400) is rotatably connected with the door body (200), the first inserting rods (500) are connected with the door body (200) in a sliding mode along the height direction of the door body (200), one first gear (400) corresponds to two first inserting rods (500), and the two first inserting rods (500) are arranged on two sides of the first gear (400) at intervals along the width direction of the door body (200); one sides of the two first inserting rods (500) opposite to each other are provided with first racks, and the first racks are meshed with the first gears (400); first slots are formed in the top of the door frame (100) and the doorsill (300), and the first inserting rod (500) can be inserted into the first slots;

the door body (200) is further provided with a locking assembly (600) used for limiting the rotation of the first gear (400).

2. The double-leaf protective airtight door with the explosion-proof steel structure movable threshold (300) as claimed in claim 1, characterized in that: the locking assembly (600) comprises a locking block (610), and teeth matched with the first gear (400) are formed in the locking block (610);

driving piece (620), driving piece (620) install in on the door body (200), the flexible end of driving piece (620) with latch segment (610) fixed connection, driving piece (620) are used for the drive the tooth socket joint in the recess of first gear (400).

3. The double-leaf protective airtight door with the explosion-proof steel structure movable threshold (300) as claimed in claim 2, characterized in that: the door body (200) is provided with a plurality of first gears (400) and a plurality of groups of first inserted rods (500) corresponding to the first gears (400).

4. The double-leaf protective airtight door with the explosion-proof steel structure movable threshold (300) as claimed in claim 3, characterized in that: the protective airtight door further comprises a linkage assembly for simultaneously driving the plurality of first gears (400) to rotate.

5. The double-leaf protective airtight door with the explosion-proof steel structure movable threshold (300) as claimed in claim 4, characterized in that: the linkage assembly comprises a linkage rod (710), and the linkage rod (710) is rotatably connected with the door body (200);

a plurality of linkage bevel gears (720), wherein the linkage bevel gears (720) are all coaxially and fixedly connected with the linkage rod (710);

first bevel gears (740) are coaxially and fixedly connected to the first gears (400), the first gears (400) correspond to the first bevel gears (740) in a one-to-one mode, and the first bevel gears (740) are meshed with the linkage bevel gears (720) in a one-to-one mode.

6. The double-leaf protective airtight door with the explosion-proof steel structure movable threshold (300) as claimed in claim 5, characterized in that: the linkage assembly further comprises a driving motor (730), the driving motor (730) is installed on the door body (200), and an output shaft of the driving motor (730) is coaxially and fixedly connected with the linkage rod (710).

7. The double-leaf protective airtight door with the explosion-proof steel structure movable threshold (300) as claimed in claim 5 or 6, characterized in that: a second gear (800) and a second inserted rod (900) are arranged on the door body (200), the second gear (800) is rotatably connected to one side, away from the hinge shaft, of the door body (200), the second inserted rod (900) is connected with the door body (200) in a sliding manner along the width direction of the door body (200), a second rack is arranged on the second inserted rod (900), and the second rack is meshed with the second gear (800);

the door body (200) is further provided with an insertion block (220), a second slot is formed in the insertion block (220), and the second insertion rod on one door body (200) can be inserted into the second slot of the other door body (200).

8. The double-leaf protective airtight door with the explosion-proof steel structure movable threshold (300) as claimed in claim 7, characterized in that: a second bevel gear (750) is coaxially and fixedly connected to the second gear (800), and the second bevel gear (750) is meshed with a linkage bevel gear (720) on the linkage rod (710).

9. The double-leaf protective airtight door with the explosion-proof steel structure movable threshold (300) as claimed in claim 8, wherein: protective airtight door still includes protection casing (230), protection casing (230) with the connection can be dismantled to the door body (200), protection casing (230) are used for covering respectively and establish first gear (400) second gear (800) first inserted bar (500) second inserted bar (900) and the linkage subassembly.