Novel material double-leaf movable threshold protective air-tight door

Abstract

The utility model belongs to the technical field of protective air-tight doors, and discloses a novel material double-leaf movable threshold protective air-tight door which comprises a door frame, a first protective door body is rotatably arranged on one side of the inner wall of the door frame, a sliding groove is formed in the first protective door body, a gear is rotatably arranged in the sliding groove, and a tooth column is arranged on the outer side of the gear in a meshed mode. A rotating rod is rotatably arranged at the top end of the tooth column, a sliding column is rotatably arranged at the other end of the rotating rod, a limiting column is fixedly arranged at the bottom end of the sliding column, a second protective door is rotatably arranged on the inner wall of the door frame, a groove is formed in the second protective door, a sliding plate is arranged in the groove in a reciprocating sliding mode, and a limiting clamping groove is fixedly formed in the outer side of the sliding plate; the limiting clamping groove is embedded into the lower limiting column, a sliding column is arranged in the second protective door in a sliding mode, and a first limiting plate is fixedly arranged at the bottom end of the sliding column, and through the scheme, the problems that in the using process, the door cannot be rapidly closed in a sealed mode, a large amount of time and energy of workers are wasted, and efficiency is reduced are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of protective airtight doors, in particular to a new material double-leaf movable threshold protective airtight door. Background Art

[0002] A protective sealed door is a protective device installed on a building, mainly used to block shock waves and isolate poisonous gases. In the event of an emergency, closing the protective sealed door can play a protective role and ensure the safety of personnel.

[0003] At the same time, a steel structure movable threshold double-leaf protective closed door with application number 202021584602.3 includes a double-leaf door body, a handle is provided on the double-leaf door body, two sets of hinges are installed at both ends of the double-leaf door body, the bottom of the double-leaf door body is connected to a mounting rod through a bearing, and the top of the mounting rod is fixedly connected to a threaded rod. The utility model has the following beneficial effects: This steel structure movable threshold double-leaf protective closed door has a high installation stability.

[0004] However, in the implementation of the relevant technology, it was found that the following problems existed: a double-leaf protective closed door with a steel structure movable threshold could not be quickly closed during use, which wasted a lot of time and energy of the staff and reduced efficiency.

[0005] Therefore, we proposed a double-leaf movable threshold protective closed door made of new materials. Utility Model Content

[0006] In order to solve the problems raised in the above background technology, the utility model provides a new material double-leaf movable threshold protective closed door, which has the advantage of being able to quickly close the door during use, saving a lot of time and energy of the staff and improving efficiency.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new material double-leaf movable threshold protective closed door, comprising a door frame, a first protective door is rotatably provided on one side of the inner wall of the door frame, a slide groove is provided inside the first protective door, a gear is rotatably provided inside the slide groove, the outer meshing teeth of the gear are provided with a tooth column, a rotating rod is rotatably provided on the top end of the tooth column, a sliding column is rotatably provided on the other end of the rotating rod, and a limiting column is fixedly provided on the bottom end of the sliding column.

[0008] Preferably, the inner wall of the door frame is provided with a second protective door for another rotation, a groove is opened inside the second protective door, a sliding plate is provided inside the groove for reciprocating sliding, a limit slot is fixedly provided on the outer side of the sliding plate, and the limit slot is engaged with the limit column.

[0009] Preferably, a sliding column is provided inside the second protective door for sliding, a first limiting plate is fixedly provided at the bottom end of the sliding column, and the bottom end of the first limiting plate is in contact with the outer side of the sliding plate, and a second limiting plate is fixedly provided at the top end of the sliding column.

[0010] Preferably, a first spring is sleeved on the outer side of the sliding column, and the other end of the first spring is fixedly connected to the inner wall of the sliding groove.

[0011] Preferably, a second spring is fixedly provided on the inner wall of the groove, and the other end of the second spring is fixedly connected to the outer side of the sliding plate.

[0012] Preferably, a third spring is sleeved on the outer side of the upper portion of the sliding column, and the other end of the third spring is fixedly connected to the bottom end of the second limiting plate.

[0013] Preferably, a hand wheel is rotatably provided on the outer side of the first protective door, and a rotating shaft of the hand wheel passes through the first protective door and is fixedly connected to a gear.

[0014] Preferably, an axle base is fixedly provided on the inner wall of the slide groove, and the middle part of the rotating rod is rotatably connected to the axle base.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] 1. The utility model sets a first protective door, rotates a hand wheel, and the rotation of the hand wheel drives the gear to rotate, the rotation of the gear drives the tooth column to move, the movement of the tooth column drives the rotating rod to rotate on the inner wall of the shaft base, the rotation of the rotating rod drives the sliding column to move, the movement of the sliding column drives the limit column to engage with the limit slot, and the first spring undergoes elastic deformation to stretch and shrink, so as to achieve the purpose of sealing and closing the first protective door and the second protective door, so that the first protective door and the second protective door have a higher sealing and protective effect, so that the doors can be quickly and tightly closed during use, saving a lot of time and energy of the staff and improving efficiency.

[0017] 2. The utility model first rotates the first protective door and the second protective door through the sliding column, and fits the first protective door and the second protective door with the inner wall of the door frame. When the second protective door moves, the door frame squeezes the second limit plate, and the third spring undergoes elastic deformation to stretch and contract. The second limit plate moves and drives the sliding column to move. The movement of the sliding column drives the first limit plate to squeeze the sliding plate. The second spring undergoes elastic deformation to stretch and contract. The movement of the sliding plate drives the limit slot to move, thereby achieving the purpose of automatically popping out the limit slot. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the explosion structure of the sliding column of the utility model;

[0022] Figure 5 For this utility model Figure 3 Schematic diagram of the A structure.

[0023] In the figure: 1. door frame; 2. first protective door; 3. second protective door; 4. slide groove; 5. gear; 6. tooth column; 7. rotating rod; 8. shaft base; 9. sliding column; 10. first spring; 11. limiting column; 12. hand wheel; 13. groove; 14. sliding plate; 15. limiting slot; 16. second spring; 17. first limiting plate; 18. sliding column; 19. third spring; 20. second limiting plate. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] like Figures 1 to 5 As shown, the utility model provides a new material double-leaf movable threshold protective closed door, including a door frame 1, a first protective door 2 is rotatably provided on one side of the inner wall of the door frame 1, a slide groove 4 is opened inside the first protective door 2, a gear 5 is rotatably provided inside the slide groove 4, and a tooth column 6 is provided on the outer meshing teeth of the gear 5. A rotating rod 7 is rotatably provided on the top end of the tooth column 6, and a sliding column 9 is rotatably provided on the other end of the rotating rod 7. A limiting column 11 is fixedly provided on the bottom end of the sliding column 9. The sliding column 9 moves to drive the limiting column 11 to engage with the limiting slot 15, thereby achieving a sealed closure of the first protective door 2 and the second protective door 3.

[0026] Specifically, the inner wall of the door frame 1 is provided with a second protective door 3 for another rotation, a groove 13 is opened inside the second protective door 3, a sliding plate 14 is provided inside the groove 13 for reciprocating sliding, a limiting slot 15 is fixedly provided on the outer side of the sliding plate 14, and the limiting slot 15 is engaged with the limiting column 11, and the movement of the sliding plate 14 drives the limiting slot 15 to move.

[0027] Furthermore, a sliding column 18 is provided inside the second protective door 3 for sliding, a first limiting plate 17 is fixedly provided at the bottom end of the sliding column 18, and the bottom end of the first limiting plate 17 is in contact with the outer side of the sliding plate 14, a second limiting plate 20 is fixedly provided at the top end of the sliding column 18, and the movement of the second limiting plate 20 drives the sliding column 18 to move, and the movement of the sliding column 18 drives the first limiting plate 17 to squeeze the sliding plate 14.

[0028] Furthermore, a first spring 10 is sleeved on the outer side of the sliding column 9, and the other end of the first spring 10 is fixedly connected to the inner wall of the sliding groove 4, so that the first spring 10 undergoes elastic deformation to stretch and contract.

[0029] It is worth noting that a second spring 16 is fixedly provided on the inner wall of the groove 13 , and the other end of the second spring 16 is fixedly connected to the outer side of the sliding plate 14 , and the second spring 16 undergoes elastic deformation to stretch and contract.

[0030] It is worth noting that a third spring 19 is sleeved on the outer side of the upper part of the sliding column 18, and the other end of the third spring 19 is fixedly connected to the bottom end of the second limiting plate 20, and the third spring 19 undergoes elastic deformation to stretch and contract.

[0031] It is worth mentioning that a hand wheel 12 is rotatably provided on the outer side of the first protective door 2 , and a rotating shaft of the hand wheel 12 passes through the first protective door 2 and is fixedly connected to the gear 5 .

[0032] It is worth emphasizing that a shaft base 8 is fixedly provided on the inner wall of the slide groove 4 , and the middle part of the rotating rod 7 is rotatably connected to the shaft base 8 .

[0033] Working principle: When in use, the staff first rotates the first protective door 2 and the second protective door 3 to fit the first protective door 2 and the second protective door 3 with the inner wall of the door frame 1. When the second protective door 3 moves, the door frame 1 squeezes the second limit plate 20, and the third spring 19 undergoes elastic deformation to stretch and contract. The second limit plate 20 moves to drive the sliding column 18 to move, and the sliding column 18 moves to drive the first limit plate 17 to squeeze the sliding plate 14. The second spring 16 undergoes elastic deformation to stretch and contract, and the sliding plate 14 moves to drive the limit card slot 15 to move, thereby achieving the limit card slot 15 entering In order to achieve the purpose of automatic pop-up, the hand wheel 12 is turned, and the hand wheel 12 drives the gear 5 to rotate, and the gear 5 drives the tooth column 6 to move, and the movement of the tooth column 6 drives the rotating rod 7 to rotate on the inner wall of the shaft base 8, and the rotating rod 7 drives the sliding column 9 to move, and the movement of the sliding column 9 drives the limiting column 11 to engage with the limiting slot 15, and the first spring 10 undergoes elastic deformation to stretch and shrink, so as to achieve the purpose of sealing and closing the first protective door 2 and the second protective door 3, so that the first protective door 2 and the second protective door 3 have a higher sealing protection effect, and are easy to open and close during use.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-leaf movable threshold protective closed door made of new materials, comprising a door frame (1), characterized in that: A first protective door (2) is rotatably provided on one side of the inner wall of the door frame (1); a slide groove (4) is provided inside the first protective door (2); a gear (5) is rotatably provided inside the slide groove (4); a tooth column (6) is provided on the outer teeth of the gear (5); a rotating rod (7) is rotatably provided at the top end of the tooth column (6); a sliding column (9) is rotatably provided at the other end of the rotating rod (7); a limiting column (11) is fixedly provided at the bottom end of the sliding column (9).

2. According to claim 1, a new material double-leaf movable threshold protective closed door is characterized by: The inner wall of the door frame (1) is provided with a second protective door (3) by another rotation, a groove (13) is provided inside the second protective door (3), a sliding plate (14) is provided inside the groove (13) for reciprocating sliding, a limiting groove (15) is fixedly provided on the outer side of the sliding plate (14), and the limiting groove (15) is engaged with the limiting column (11).

3. According to claim 2, a new material double-leaf movable threshold protective closed door is characterized by: A sliding column (18) is slidably provided inside the second protective door (3), a first limiting plate (17) is fixedly provided at the bottom end of the sliding column (18), and the bottom end of the first limiting plate (17) is in contact with the outer side of the sliding plate (14), and a second limiting plate (20) is fixedly provided at the top end of the sliding column (18).

4. According to claim 1, a new material double-leaf movable threshold protective closed door is characterized by: A first spring (10) is sleeved on the outer side of the sliding column (9), and the other end of the first spring (10) is fixedly connected to the inner wall of the sliding groove (4).

5. According to claim 2, a new material double-leaf movable threshold protective closed door is characterized by: A second spring (16) is fixedly provided on the inner wall of the groove (13), and the other end of the second spring (16) is fixedly connected to the outer side of the sliding plate (14).

6. The new material double-leaf movable threshold protective closed door according to claim 3 is characterized by: A third spring (19) is sleeved on the outer side of the upper part of the sliding column (18), and the other end of the third spring (19) is fixedly connected to the bottom end of the second limiting plate (20).

7. The new material double-leaf movable threshold protective closed door according to claim 1 is characterized by: A hand wheel (12) is rotatably provided on the outer side of the first protective door (2), and a rotating shaft of the hand wheel (12) passes through the first protective door (2) and is fixedly connected to the gear (5).

8. The new material double-leaf movable threshold protective closed door according to claim 1 is characterized by: An axle base (8) is fixedly provided on the inner wall of the slide groove (4), and the middle part of the rotating rod (7) is rotatably connected to the axle base (8).

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