CN219773949U - Movable threshold structure of civil air defense door - Google Patents

Abstract

The utility model discloses a movable threshold structure of a civil air defense door, which relates to the technical field of civil air defense doors and solves the problem of inconvenience in positioning. Through inserting the locating piece in the locating frame, fix a position the threshold, make the inserted block be in directly over the slot, compare in the location of direct slot and inserted block, when slot and inserted block are fixed a position, the visual angle is relatively poor, it is difficult that once fix a position successfully, can improve connection stability and intensity between angle steel board and the door frame down through setting up slot and inserted block, can drive the inside that the inserted bar inserted fixed pipe through setting up the locking lever, can drive the inserted bar through setting up first spring and reset to separate with fixed pipe, realize the dismantlement of threshold.

Description

Movable threshold structure of civil air defense door

Technical Field

The utility model relates to the field of civil air defense doors, in particular to a movable threshold structure of a civil air defense door.

Background

The civil air defense door is a door at the entrance and the exit of civil protection engineering, has more vivid classification, and comprises a common single-leaf protective airtight door, a common double-leaf protective airtight door, a common movable threshold, a common double-leaf protective airtight door, a common airtight door and other various civil air defense equipment, and the movable threshold of the traditional civil air defense door frame is connected with the civil air defense door frame by bolts before the door frame is embedded. Because the movable door threshold of the civil air defense door frame is required to be disassembled and placed, the normal traffic requirement is met.

The utility model discloses a valve sill structure of a civil air defense door (bulletin number: CN 216381016U), which comprises a door frame and a valve sill, wherein lower door angle steel of the door frame is arranged at the bottom of the door frame, a lower angle steel hole is formed in the position, corresponding to a locking rod, of the lower door frame angle steel, a threshold pipe is arranged in the valve sill, a hollow threshold pipe hole is formed in the threshold pipe, and the threshold pipe hole is communicated with the lower angle steel hole; when the door leaf is closed and the door lock is closed, the locking rod of the door lock is inserted into the top of the threshold pipe hole to complete locking.

In the process of realizing the utility model, the inventor finds that at least the following problems exist in the technology, when the movable threshold is installed, the threshold pipe hole on the movable threshold is required to be aligned with the lower angle steel hole, so that the part of the pin shaft penetrating out of the threshold pipe is ensured to be inserted into the lower angle steel hole for stable installation, and when the pin shaft is manually placed, shaking deviation easily occurs, so that the positioning is inconvenient, and the installation is influenced.

Disclosure of Invention

In order to solve the problem that the part of the pin shaft penetrating out of the threshold pipe is inserted into the lower angle steel hole to be stably installed, the utility model provides a movable threshold structure of a civil air defense door.

The utility model provides a movable threshold structure of a civil air defense door, which adopts the following technical scheme:

the movable threshold structure of the civil air defense door comprises the ground and a door frame, wherein the door frame is fixedly connected to the top of the ground, a pipe hole is formed in the ground, a lower angle steel plate is arranged on the inner side of the door frame, a fixed pipe is fixedly connected to the bottom of the door frame, and the outer wall of the fixed pipe is in sliding connection with the inner wall of the pipe hole;

the connecting hole is formed in the lower corner steel plate and communicated with the pipe hole, the top of the lower corner steel plate is fixedly connected with a positioning frame, the inner wall of the positioning frame is slidably connected with a positioning block, and a threshold is fixedly connected to the positioning block.

Through adopting above-mentioned technical scheme, through setting up locating frame and locating piece, can be fast accurately communicate jack and connecting hole, be convenient for install, improve installation effectiveness.

Optionally, the slot has been seted up at the top of lower angle steel sheet, the bottom fixedly connected with inserted block of threshold, and the inner wall sliding connection of inserted block and slot.

Through adopting above-mentioned technical scheme, set up slot and inserted block and can improve connection stability and intensity between angle steel board and the door frame down.

Optionally, the jack has been seted up at the top of threshold, and jack and connecting hole intercommunication, the inner wall of jack is provided with the threshold pipe, the inside of threshold pipe is provided with the inserted bar, the outer wall cover of inserted bar is equipped with first spring, the one end and the inner wall fixed connection of threshold pipe of first spring, and the other end and the inserted bar fixed connection of first spring, the inner wall sliding connection of threshold pipe has the locking lever.

Through adopting above-mentioned technical scheme, set up the locking lever and can insert the inserted bar in the inner wall of fixed pipe to realize the installation of threshold, can drive the inserted bar through setting up first spring and reset, thereby convenient to detach.

Optionally, the inner wall symmetry of connecting hole articulates there are two baffles, the one end of the inner wall fixedly connected with second spring of connecting hole, and the other end and the baffle fixed connection of second spring.

Through adopting above-mentioned technical scheme, through setting up baffle and second spring, can shelter from the connecting hole when not using the threshold, avoid the dust to block up the connecting hole.

Optionally, an extrusion block is arranged inside the fixed pipe.

Through adopting above-mentioned technical scheme, through setting up the extrusion piece, can increase the connection stability between inserted bar and the fixed pipe.

Optionally, the quantity of slot and inserted block is ten, ten the slot evenly sets up at the top of lower angle steel sheet.

Through adopting above-mentioned technical scheme, can further improve the stability of threshold through setting up a plurality of slots and inserted block.

Optionally, the number of tube holes and connecting holes is two, and two connecting holes are symmetrically arranged on the lower angle steel plate.

Through adopting above-mentioned technical scheme, through setting up two tube holes and connecting hole, can improve the stability of threshold installation.

In summary, the utility model has the following beneficial effects:

1. according to the utility model, the positioning block is inserted into the positioning frame to position the threshold, so that the insert block is positioned right above the slot, compared with the positioning of the direct slot and the insert block, when the slot and the insert block are positioned, the angle of view is poorer, the positioning is difficult to succeed in one time, the stability and the strength of the connection between the lower angle steel plate and the door frame can be improved by arranging the slot and the insert block, the insert rod can be driven to be inserted into the fixed pipe by arranging the locking rod, and the insert rod can be driven to reset by arranging the first spring, so that the insert rod is separated from the fixed pipe, and the disassembly of the threshold is realized;

2. according to the utility model, the second spring and the baffle are arranged, so that the connecting hole can be shielded when the threshold is not used, and dust is prevented from blocking the connecting hole, thereby affecting the installation of the subsequent threshold.

Drawings

Fig. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a partial cross-sectional view of the present utility model.

Fig. 3 is a partial cross-sectional view of the lower angle of the present utility model.

Reference numerals illustrate:

1. ground surface; 2. a door frame; 3. pipe holes; 4. a lower corner steel plate; 5. a fixed tube; 6. extruding a block; 7. a connection hole; 8. a positioning frame; 9. a positioning block; 10. a threshold; 11. a slot; 12. inserting blocks; 13. a jack; 14. a threshold tube; 15. a rod; 16. a first spring; 17. a locking lever; 18. a baffle; 19. and a second spring.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-3.

Referring to fig. 1-2, a movable threshold structure of a civil air defense door comprises a ground 1 and a door frame 2, wherein the door frame 2 is fixedly connected to the top of the ground 1, a pipe hole 3 is formed in the ground 1, a lower angle steel plate 4 is arranged on the inner side of the door frame 2, a fixed pipe 5 is fixedly connected to the bottom of the door frame 2, the outer wall of the fixed pipe 5 is slidably connected with the inner wall of the pipe hole 3, an extrusion block 6 is arranged in the fixed pipe 5, a connecting hole 7 is formed in the lower angle steel plate 4, the connecting hole 7 is communicated with the pipe hole 3, the number of the pipe hole 3 and the connecting hole 7 is two, and the two connecting holes 7 are symmetrically formed in the lower angle steel plate 4.

Referring to fig. 1-2, the top of the lower angle steel plate 4 is fixedly connected with a positioning frame 8, the inner wall of the positioning frame 8 is slidably connected with a positioning block 9, a threshold 10 is fixedly connected to the positioning block 9, a slot 11 is provided at the top of the lower angle steel plate 4, an insert block 12 is fixedly connected to the bottom of the threshold 10, the insert block 12 is slidably connected with the inner wall of the slot 11, the number of the slots 11 and the insert blocks 12 is ten, the ten slots 11 are uniformly arranged at the top of the lower angle steel plate 4, and the positioning effect can be further improved through the arrangement of the positioning frame 8 and the positioning block 9, so that the insert rod 15 can be ensured to be accurately inserted into the fixed pipe 5, and the installation of the threshold 10 is realized.

Referring to fig. 3, two baffles 18 are symmetrically hinged to the inner wall of the connecting hole 7, a second spring 19 is fixedly connected to the inner wall of the connecting hole 7, one end of the second spring 19 is fixedly connected with the baffles 18, and the second spring 19 and the baffles 18 are arranged to shield the connecting hole 7 when the doorsill 10 is not used, so that dust is prevented from blocking the connecting hole 7, and the installation of the subsequent doorsill 10 is affected.

Referring to fig. 1-3, jack 13 has been seted up at the top of threshold 10, and jack 13 and connecting hole 7 intercommunication, the inner wall of jack 13 is provided with threshold pipe 14, the inside of threshold pipe 14 is provided with inserted bar 15, the outer wall cover of inserted bar 15 is equipped with first spring 16, the one end and the inner wall fixed connection of threshold pipe 14 of first spring 16, and the other end and the inserted bar 15 fixed connection of first spring 16, the inner wall sliding connection of threshold pipe 14 has locking bar 17, can drive the inside of inserted bar 15 inserted fixed pipe 5 through setting up locking bar 17, can drive inserted bar 15 through setting up first spring 16 and reset, thereby separate with fixed pipe 5, realize the dismantlement of threshold 10.

The implementation principle of the utility model is as follows: when the doorsill 10 needs to be installed, the positioning block 9 is inserted into the positioning frame 8, the doorsill 10 is pressed downwards, the inserting block 12 is inserted into the inserting groove 11, the doorsill 10 is initially installed on the lower angle steel plate 4, the inserting rod 15 penetrates into the connecting hole 7 from the doorsill pipe 14, the inserting rod 15 abuts against the baffle 18 to drive the baffle 18 to rotate, the second spring 19 is in a compressed state at the moment, then the door lock is closed, the locking rod 17 moves downwards, the locking rod 17 contacts with the top of the inserting rod 15 firstly, then the inserting rod 15 is driven to move downwards, the inserting rod 15 is inserted into the fixing pipe 5, and the first spring 16 is in a stretching state, so that the doorsill 10 is installed on the lower angle steel plate 4;

when the doorsill 10 needs to be disassembled, the door lock is opened, so that the locking rod 17 moves upwards, the first stretched spring 16 rebounds to drive the inserting rod 15 to move upwards, the inserting rod 15 is separated from the fixed pipe 5, the doorsill 10 is pulled upwards, the positioning block 9 slides upwards along the inner wall of the positioning frame 8 until the positioning block is separated, the doorsill 10 can be removed, and meanwhile, the second spring 19 resets, so that the baffle 18 is closed, and sundries are prevented from entering the connecting hole 7.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (7)

1. The utility model provides a people's air defense door activity threshold structure, includes ground (1) and door frame (2), door frame (2) fixed connection is at the top of ground (1), its characterized in that: the ground (1) is provided with a pipe hole (3), the inner side of the door frame (2) is provided with a lower angle steel plate (4), the bottom of the door frame (2) is fixedly connected with a fixed pipe (5), and the outer wall of the fixed pipe (5) is in sliding connection with the inner wall of the pipe hole (3);

the connecting hole (7) is formed in the lower corner steel plate (4), the connecting hole (7) is communicated with the pipe hole (3), the positioning frame (8) is fixedly connected to the top of the lower corner steel plate (4), the positioning block (9) is slidably connected to the inner wall of the positioning frame (8), and the threshold (10) is fixedly connected to the positioning block (9).

2. The movable threshold structure of a civil air defense door according to claim 1, wherein: the top of lower angle steel sheet (4) has seted up slot (11), the bottom fixedly connected with inserted block (12) of threshold (10), and the inner wall sliding connection of inserted block (12) and slot (11).

3. The movable threshold structure of a civil air defense door according to claim 1, wherein: jack (13) have been seted up at the top of threshold (10), and jack (13) and connecting hole (7) intercommunication, the inner wall of jack (13) is provided with threshold pipe (14), the inside of threshold pipe (14) is provided with inserted bar (15), the outer wall cover of inserted bar (15) is equipped with first spring (16), the inner wall fixed connection of one end and threshold pipe (14) of first spring (16), and the other end and the inserted bar (15) fixed connection of first spring (16), the inner wall sliding connection of threshold pipe (14) has locking lever (17).

4. The movable threshold structure of a civil air defense door according to claim 1, wherein: the inner wall of the connecting hole (7) is symmetrically hinged with two baffles (18), one end of a second spring (19) is fixedly connected with the inner wall of the connecting hole (7), and the other end of the second spring (19) is fixedly connected with the baffles (18).

5. The movable threshold structure of a civil air defense door according to claim 1, wherein: an extrusion block (6) is arranged in the fixed pipe (5).

6. The movable threshold structure of a civil air defense door according to claim 2, wherein: the number of the slots (11) and the inserting blocks (12) is ten, and ten slots (11) are uniformly formed in the top of the lower angle steel plate (4).

7. The movable threshold structure of a civil air defense door according to claim 1, wherein: the number of the pipe holes (3) and the number of the connecting holes (7) are two, and the two connecting holes (7) are symmetrically arranged on the lower corner steel plate (4).