CN221920704U - Single-leaf airtight civil air defense door - Google Patents

Abstract

The utility model belongs to the field of civil air defense doors, in particular to a single airtight civil air defense door, which aims at the problems that the prior civil air defense door is inconvenient to stably support a door body and inconvenient to automatically add lubricating oil to hinges so as to reduce the service life of the civil air defense door, and the utility model provides a proposal that the single airtight civil air defense door comprises a door frame, wherein two symmetrical hinges are fixedly arranged on the door frame, the two hinges are fixedly connected with the same door body, a hand wheel is rotatably arranged on the door body, the door body is fixedly provided with the mounting plate, one side of the mounting plate is fixedly provided with the oil tank, the bottom of the oil tank is fixedly provided with the oil box, the mounting plate is internally provided with the mounting groove, and the bottom of the mounting plate is provided with the sliding groove, and the sliding groove is internally provided with the supporting mechanism.

Description

A single-leaf closed civil defense door

Technical Field

The utility model relates to the technical field of civil air defense doors, in particular to a single-leaf closed civil air defense door.

Background Art

Civil defense doors are the doors at the entrances and exits of civil defense projects. They are clearly classified into ordinary single-leaf and double-leaf protective closed doors and closed doors, movable threshold single-leaf and double-leaf protective closed doors and closed doors, etc. Basalt has the characteristics of solid texture, smooth surface, high density, high hardness, anti-bending, anti-compression, and anti-corrosion. It is an ideal building stone and is often used for closed civil defense doors in civil air defense projects.

The patent document with announcement number CN211115554U discloses a steel structure closed air-defense door, which includes a fixed block and a fixed plate; the fixed block is fixed on the door body; an air storage chamber is arranged inside the fixed block; a first shaft is arranged in the first guide hole; one end of the second shaft is inserted into the second guide hole; a slider is hinged at the other end of the second shaft; an air inlet hole connected to the air storage chamber is opened on the side wall of the fixed block; an air nozzle is fixed in the air inlet hole; and two universal wheels are fixed at the bottom of the fixed plate. When using the utility model, even after the universal wheel or the ground is worn, it can still be close to the ground to provide support for the door body, so that the support of the universal wheel to the door body is guaranteed, and the supporting force of the universal wheel and the ground only needs to control the pressure of the gas.

However, during use, the above patent document is not convenient for stably supporting the door body and automatically adding lubricating oil to the hinges, which reduces the service life of the civil air defense door. For this reason, we propose a single-leaf enclosed civil air defense door to solve the above problems.

Utility Model Content

The purpose of the utility model is to solve the shortcomings of the prior art that during use of the civil air defense door, it is not convenient to stably support the door body and it is not convenient to automatically add lubricating oil to the hinges, thereby reducing the service life of the civil air defense door, and to propose a single-leaf enclosed civil air defense door.

In order to achieve the above purpose, the utility model adopts the following technical solutions:

A single-leaf enclosed civil air defense door comprises a door frame, two symmetrical hinges are fixedly mounted on the door frame, the two hinges are fixedly connected to the same door body, a hand wheel is rotatably mounted on the door body, a mounting plate is fixedly mounted on the door body, an oil tank is fixedly mounted on one side of the mounting plate, an oil box is fixedly mounted on the bottom of the oil tank, a mounting groove is provided in the mounting plate, a slide groove is provided at the bottom of the mounting plate, a supporting mechanism is arranged in the slide groove, and a piston is slidably mounted in the oil box.

Preferably, a motor is fixedly mounted on the top inner wall of the mounting groove, one end of the first screw is fixedly connected to the output shaft of the motor, and a small bevel gear is fixedly mounted on the outer side of the first screw.

Preferably, an oil inlet is provided at the top of the oil tank, an oil outlet is provided at the bottom of the oil tank, the oil outlet is communicated with the oil box, and an L-shaped through hole is provided on the piston, which cooperates with the oil outlet.

Preferably, a first connecting pipe and a second connecting pipe are fixedly installed on the outer side of the door body, the outer side of the second connecting pipe is fixedly connected with two nozzles, the two ends of the first connecting pipe are respectively fixedly connected with the outer side of the second connecting pipe and one side of the oil box, and the two nozzles are respectively matched with two hinges.

Preferably, a second through hole is provided on an inner wall of one side of the mounting groove and on one side of the oil box, a second thread groove is provided on one side of the piston, a second screw is threadedly installed in the second thread groove, a large bevel gear is fixedly installed at one end of the second screw, and the large bevel gear is meshed with the small bevel gear.

Preferably, the support mechanism includes a rectangular support column, which is slidably installed in a slide groove. A first through hole is opened on the top inner wall of the slide groove, and the first through hole is communicated with the installation groove. A first thread groove is opened on the top of the rectangular support column, and a first screw is threadedly installed in the first thread groove.

In the utility model, the beneficial effects of the single-leaf enclosed civil air defense door are:

1. In this solution, when the motor is turned on, the motor drives the first screw to rotate, and the first screw drives the rectangular support column to move vertically. When the rectangular support column moves to a certain position, the rectangular support column can provide stable support for the door body, thereby preventing the door body from being in an open state for a long time and being damaged due to its own excessive weight.

2. In this scheme, when the first screw rotates, the first screw drives the small bevel gear to rotate, the small bevel gear drives the large bevel gear to rotate, and the second screw drives the piston to move horizontally. The piston can squeeze the lubricating oil in the oil box through the first connecting pipe, the second connecting pipe and two nozzles onto the two hinges, thereby achieving the purpose of automatic lubrication of the hinges, effectively improving the service life of the civil defense door.

The utility model can stably support the door body and automatically add lubricating oil to the hinges during use, thereby effectively improving the service life of the civil air defense door, and has a simple structure and is easy to use.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the structure of a single-leaf enclosed civil air defense door according to the present invention;

FIG2 is an enlarged structural diagram of part A in FIG1 of a single-leaf airtight civil defense door proposed by the present invention;

FIG3 is an enlarged structural diagram of part B in FIG1 of a single-leaf enclosed civil defense door proposed by the present invention.

In the figure: 1. door frame; 2. door body; 3. hinge; 4. mounting plate; 5. oil tank; 6. oil box; 7. slide groove; 8. rectangular support column; 9. mounting groove; 10. motor; 11. first screw rod; 12. small bevel gear; 13. large bevel gear; 14. second screw rod; 15. piston; 16. oil outlet; 17. L-shaped through hole; 18. hand wheel; 19. first connecting pipe; 20. second connecting pipe; 21. nozzle.

DETAILED DESCRIPTION

The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

Embodiment 1

Referring to Figure 1, a single-leaf closed civil defense door includes a door frame 1, two symmetrical hinges 3 are fixedly installed on the door frame 1, the two hinges 3 are fixedly connected to the same door body 2, the door body 2 is made of basalt, a hand wheel 18 is rotatably installed on the door body 2, a mounting plate 4 is fixedly installed on the door body 2, an oil tank 5 is fixedly installed on one side of the mounting plate 4, an oil box 6 is fixedly installed on the bottom of the oil tank 5, a mounting groove 9 is opened in the mounting plate 4, a slide groove 7 is opened at the bottom of the mounting plate 4, a supporting mechanism is arranged in the slide groove 7, a piston 15 is slidably installed in the oil box 6, and a first connecting pipe 19 and a second connecting pipe 19 are fixedly installed on the outside of the door body 2 Tube 20, the outer side of the second connecting tube 20 is fixedly connected with two nozzles 21, the two ends of the first connecting tube 19 are respectively fixedly connected with the outer side of the second connecting tube 20 and one side of the oil box 6, the two nozzles 21 are respectively matched with the two hinges 3, the supporting mechanism includes a rectangular support column 8, the rectangular support column 8 is slidably installed in the slide groove 7, the top inner wall of the slide groove 7 is provided with a first through hole, the first through hole is communicated with the mounting groove 9, the top of the rectangular support column 8 is provided with a first threaded groove, and the first screw 11 is threadedly installed in the first threaded groove. When the first screw 11 rotates, the first screw 11 can drive the rectangular support column 8 to move vertically.

Referring to Figure 2, a motor 10 is fixedly mounted on the top inner wall of the mounting groove 9, one end of the first screw 11 is fixedly connected to the output shaft of the motor 10, a small bevel gear 12 is fixedly mounted on the outer side of the first screw 11, a second through hole is provided on one side inner wall of the mounting groove 9 and one side of the oil box 6, a second thread groove is provided on one side of the piston 15, a second screw 14 is threadedly mounted in the second thread groove, a large bevel gear 13 is fixedly mounted on one end of the second screw 14, the large bevel gear 13 is meshed with the small bevel gear 12, and when the first screw 11 rotates, the small bevel gear 12 can drive the large bevel gear 13 to rotate.

3 , an oil inlet is provided at the top of the oil tank 5, an oil outlet 16 is provided at the bottom of the oil tank 5, the oil outlet 16 is communicated with the oil box 6, an L-shaped through hole 17 is provided on the piston 15, the L-shaped through hole 17 cooperates with the oil outlet 16, when the piston 15 moves to a certain position, the lubricating oil in the oil tank 5 can flow into the oil box 6 through the oil outlet 16 and the L-shaped through hole 17.

In this embodiment, when in use, the door body 2 can be opened and closed by the hand wheel 18. When the door body 2 is opened, the motor 10 can be turned on, and the motor 10 drives the first screw 11 to rotate, and the first screw 11 drives the rectangular support column 8 to move vertically downward. When the rectangular support column 8 moves vertically downward to a certain position, the rectangular support column 8 can stably support the door body 2 to prevent the door body 2 from deforming due to its own excessive weight. At the same time, the first screw 11 drives the small bevel gear 12 to rotate, and the small bevel gear 12 drives the large bevel gear 13 to rotate, and the large bevel gear 13 drives the second screw 14 to rotate, and the second screw 14 drives the piston 15 to move horizontally to the left. The piston 15 can squeeze out the lubricating oil in the oil box 6 through the first connecting pipe 19, the second connecting pipe 20 and the two nozzles 21, so as to achieve the purpose of automatic lubrication of the hinge 3, thereby effectively improving the service life of the civil defense door.

Embodiment 2

The difference between this embodiment and the first embodiment is that a pressure sensor is fixedly installed on the bottom of the rectangular support column 8, and a controller is fixedly installed on the mounting plate 4. The pressure sensor, the controller and the motor 10 are connected in sequence. When the rectangular support column 8 moves to contact the ground, the pressure sensor can detect the supporting force of the rectangular support column 8. When the supporting force reaches the set threshold, the pressure sensor sends an instruction to the controller, and the controller can control the motor 10 to automatically close, thereby ensuring the supporting effect on the door body 2.

The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims (6)

1. The utility model provides a single airtight people's air defense door, includes door frame (1), its characterized in that, two hinges (3) of fixed mounting symmetry on door frame (1), the same door body (2) of fixedly connected with on two hinges (3), rotate on door body (2) and install hand wheel (18), fixed mounting has mounting panel (4) on door body (2), one side fixed mounting of mounting panel (4) has oil tank (5), the bottom fixed mounting of oil tank (5) has oil box (6), mounting groove (9) have been seted up in mounting panel (4), spout (7) have been seted up to the bottom of mounting panel (4), be provided with supporting mechanism in spout (7), sliding mounting has piston (15) in oil box (6).

2. The single-leaf airtight civil air defense door according to claim 1, wherein the supporting mechanism comprises a rectangular supporting column (8), the rectangular supporting column (8) is slidably mounted in a sliding groove (7), a first through hole is formed in the inner wall of the top of the sliding groove (7), the first through hole is communicated with a mounting groove (9), a first thread groove is formed in the top of the rectangular supporting column (8), and a first screw (11) is mounted in the first thread groove in a threaded manner.

3. The single-leaf airtight civil air defense door according to claim 2 is characterized in that a motor (10) is fixedly arranged on the inner wall of the top of the installation groove (9), one end of a first screw rod (11) is fixedly connected with an output shaft of the motor (10), and a bevel pinion (12) is fixedly arranged on the outer side of the first screw rod (11).

4. A single-leaf airtight civil air defense door according to claim 3, wherein a second through hole is formed in an inner wall of one side of the installation groove (9) and one side of the oil box (6), a second thread groove is formed in one side of the piston (15), a second screw rod (14) is installed in the second thread groove in a threaded manner, a large bevel gear (13) is fixedly installed at one end of the second screw rod (14), and the large bevel gear (13) is meshed with the small bevel gear (12).

5. The single-leaf airtight civil air defense door according to claim 4 is characterized in that an oil inlet is formed in the top of the oil tank (5), an oil outlet (16) is formed in the bottom of the oil tank (5), the oil outlet (16) is communicated with the oil box (6), an L-shaped through hole (17) is formed in the piston (15), and the L-shaped through hole (17) is matched with the oil outlet (16).

6. The single-leaf airtight civil air defense door according to claim 5 is characterized in that a first connecting pipe (19) and a second connecting pipe (20) are fixedly arranged on the outer side of the door body (2), two nozzles (21) are fixedly communicated with the outer side of the second connecting pipe (20), two ends of the first connecting pipe (19) are fixedly communicated with the outer side of the second connecting pipe (20) and one side of an oil box (6) respectively, and the two nozzles (21) are matched with the two hinges (3) respectively.