Push-pull movable fireproof door

Abstract

The utility model discloses a push-pull movable fireproof door, which relates to the technical field of fireproof doors and comprises a door frame, the top of the front end of the door frame is fixedly connected with a smoke alarm, the inner wall of the door frame is slidably connected with a first fireproof door, and the inner wall of the door frame is slidably connected with a second fireproof door. A driving mechanism is fixedly connected to the top of the front end of the door frame, protection mechanisms are fixedly connected to the left portion and the right portion of an inner cavity of the door frame, and the driving mechanism comprises a fixing frame. According to the push-and-pull movable type fireproof door, in the closing process, the first fireproof door body drives the protruding strips and the buffering pads to move synchronously, the outer walls of the protruding strips and the outer walls of the buffering pads are inserted into the inner wall of the second fireproof door body, and impact generated when the first fireproof door body and the second fireproof door body are closed is relieved through the buffering pads; therefore, the first fireproof door and the second fireproof door are protected, impact damage generated when the first fireproof door and the second fireproof door are closed is avoided, and the protection effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of fire doors, in particular to a sliding movable fire door. Background Art

[0002] Fire doors are doors that meet fire resistance stability, integrity, and thermal insulation requirements for a specified period of time. They are fireproof partitions with a certain degree of fire resistance, installed between fire compartments, evacuation stairwells, vertical shafts, and other structures. In addition to functioning as ordinary doors, fire doors also prevent the spread of fire and smoke, effectively preventing the spread of fire for a specified period of time and ensuring evacuation.

[0003] For example, Chinese patent document CN211287395U discloses a two-way sliding fire door, including a door frame and two movable doors slidingly connected to the door frame, and also including two driving mechanisms symmetrically arranged and respectively connected to the two movable doors. A movable groove is provided on the inner top surface of the door frame, and the top ends of the two movable doors are slidably connected to the movable groove. The movable groove is located in the middle of the two movable doors and is fixedly connected to a sliding rod arranged along the thickness direction of the movable door. A first sliding block and a second sliding block are slidably connected to the sliding rod. The two driving mechanisms are respectively connected to the first sliding block and the second sliding block. Through the above arrangement, it is convenient for users to open the two movable doors at one time.

[0004] The existing technology has the following problems:

[0005] When the fire door of the prior art is in use, when it needs to be opened, there are no rollers or balls at the bottom of the fire door to assist the movement of the fire door, resulting in a large friction force during the opening process of the fire door, which in turn causes damage to the fire door and is relatively laborious for the user to pull open the fire door, reducing the practicality of the device. At the same time, the fire door of the prior art does not protect the fire door when it is closed, resulting in large collision damage when the fire door is closed, reducing the practicality of the device. Utility Model Content

[0006] The utility model provides a sliding movable fireproof door to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0008] A sliding movable fire door comprises a door frame, a smoke alarm is fixedly connected to the top of the front end of the door frame, a fire door 1 is slidably connected to the inner wall of the door frame, a fire door 2 is slidably connected to the inner wall of the door frame, a driving mechanism is fixedly connected to the top of the front end of the door frame, and the left and right parts of the door frame inner cavity are fixedly connected to a protective mechanism, the driving mechanism comprises a fixed frame, the rear end of the fixed frame is fixedly connected to the top of the front end of the door frame, and the protective mechanism comprises two baffles, one end of each baffle is fixedly connected to one end of the door frame inner cavity.

[0009] Preferably, the bottom ends of the fire door 1 and the fire door 2 are linearly fixedly connected to moving wheels, the inner walls of the moving wheels are slidably connected to guide rails, and the bottom ends of the guide rails are fixedly connected to the bottom end of the inner cavity of the door frame.

[0010] Preferably: the right end of the fire door 1 is fixedly connected with a convex strip, the right end of the convex strip is fixedly connected with a buffer pad, the outer wall of the buffer pad is plugged into the inner wall of the fire door 2, and the outer wall of the convex strip is plugged into the inner wall of the fire door 2.

[0011] Preferably: the inner wall of the fixed frame is fixedly connected to a motor, the output end of the motor passes through the outer wall of the door frame and is fixedly connected to a rotating rod, the rear end of the rotating rod is fixedly connected to an active bevel gear, the bottom of the active bevel gear is engaged with a driven bevel gear, the axis of the driven bevel gear is fixedly connected to a rotating shaft, and the top end of the rotating shaft is rotatably connected to the top end of the inner cavity of the door frame.

[0012] Preferably: a gear is fixedly connected to the bottom of the outer wall of the rotating shaft, a tooth plate 1 is meshed with the rear part of the gear, the bottom end of the tooth plate 1 is fixedly connected to the top of the fire door 1, the right part of the rear end of the tooth plate 1 is fixedly connected to a guide block 1, the outer wall of the guide block 1 is slidably connected to the top of the door frame, and the guide block 1 has a T-shaped shape.

[0013] Preferably: the front of the gear is engaged with a tooth plate 2, the top of the tooth plate 2 is fixedly connected to the top of the fire door 2, the left part of the front end of the tooth plate 2 is fixedly connected to a guide block 2, the outer wall of the guide block 2 is slidably connected to the top of the door frame, and the shape of the guide block 2 is T-shaped.

[0014] Preferably: one end of the baffle is fixedly connected to a pad, the outer wall of the pad is fixedly connected to a limiting block, the front and rear ends of the pad are fixedly connected to a buffer spring, the outer wall of the buffer spring is slidably connected to the inner wall of the door frame, and the buffer spring has a T-shaped shape.

[0015] Due to the adoption of the above technical solution, the present invention has achieved the following technical advancements compared to the prior art:

[0016] 1. The utility model provides a sliding movable fire door. During the process of opening fire door 1 and fire door 2, fire door 1 and fire door 2 drive movable wheels to move synchronously, so that the movable wheels move on the outer wall of the guide rail. The movable wheels and the guide rail cooperate with each other to reduce the resistance of fire door 1 and fire door 2 during the opening and closing process, making it more convenient to open and close fire door 1 and fire door 2, thereby achieving the effect of reducing resistance.

[0017] 2. The present invention provides a sliding movable fire door. During the closing process, the fire door 1 drives the convex strips and the buffer pads to move synchronously, so that the outer walls of the convex strips and the buffer pads are inserted into the inner walls of the fire door 2. The buffer pads reduce the impact generated when the fire doors 1 and 2 are closed, thereby protecting the fire doors 1 and 2, avoiding impact damage when the fire doors 1 and 2 are closed, and achieving a protective effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the main view of the utility model;

[0019] Figure 2 This is a schematic diagram of the cutaway structure of the main view of the present invention;

[0020] Figure 3 For this utility model Figure 2 A in the middle is an enlarged structural diagram;

[0021] Figure 4 This is a schematic diagram of the structure of the drive mechanism of the utility model;

[0022] Figure 5 It is a structural diagram of the protective mechanism of the utility model.

[0023] In the figure: 1. Door frame; 11. Smoke alarm; 12. Fire door 1; 13. Fire door 2; 14. Moving wheel; 15. Guide rail; 16. Raised strip; 17. Buffer pad; 2. Driving mechanism; 211. Fixed frame; 21. Motor; 22. Rotating rod; 23. Active bevel gear; 24. Driven bevel gear; 25. Rotating shaft; 26. Gear; 27. Tooth plate 1; 271. Guide block 1; 28. Tooth plate 2; 281. Guide block 2; 3. Protective mechanism; 31. Baffle; 32. Pad; 33. Limit block; 34. Buffer spring. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0025] like Figure 1-Figure 5As shown, a sliding movable fire door includes a door frame 1, a smoke alarm 11 is fixedly connected to the top of the front end of the door frame 1, a fire door 1 12 is slidably connected to the inner wall of the door frame 1, a fire door 2 13 is slidably connected to the inner wall of the door frame 1, a driving mechanism 2 is fixedly connected to the top of the front end of the door frame 1, and the left and right parts of the inner cavity of the door frame 1 are fixedly connected to the protective mechanism 3, the driving mechanism 2 includes a fixed frame 211, the rear end of the fixed frame 211 is fixedly connected to the top of the front end of the door frame 1, and the protective mechanism 3 includes two baffles 31, and one end of the baffle 31 is fixedly connected to one end of the inner cavity of the door frame 1.

[0026] The driving mechanism 2 can control the opening or closing of fire door 12 and fire door 2 13. During the opening process, the protective mechanism 3 can prevent fire door 12 and fire door 2 13 from being damaged.

[0027] like Figure 2 、 Figure 3 As shown, the bottom ends of fire door 12 and fire door 2 13 are linearly fixedly connected to moving wheels 14, the inner walls of the moving wheels 14 are slidably connected to guide rails 15, and the bottom ends of the guide rails 15 are fixedly connected to the bottom end of the inner cavity of the door frame 1.

[0028] During the process of opening fire door 12 and fire door 2 13, fire door 12 and fire door 2 13 drive moving wheels 14 to move synchronously, so that moving wheels 14 move on the outer wall of guide rail 15. The moving wheels 14 and guide rail 15 cooperate with each other to reduce the resistance of fire door 12 and fire door 2 13 during the opening and closing process, making it more convenient to open and close fire door 12 and fire door 2 13, thereby reducing the effect of resistance.

[0029] like Figure 2 、 Figure 4 As shown, the right end of fire door 12 is fixedly connected with a convex strip 16, the right end of the convex strip 16 is fixedly connected with a buffer pad 17, the outer wall of the buffer pad 17 is plugged into the inner wall of fire door 2 13, and the outer wall of the convex strip 16 is plugged into the inner wall of fire door 2 13.

[0030] During the closing process, fire door 12 drives the ridges 16 and the buffer pads 17 to move synchronously, so that the outer walls of the ridges 16 and the buffer pads 17 are inserted into the inner walls of fire door 2 13. The buffer pads 17 mitigate the impact generated when fire door 12 and fire door 2 are closed, thereby protecting fire door 12 and fire door 2 13, avoiding impact damage when fire door 12 and fire door 2 13 are closed, and achieving a protective effect.

[0031] like Figure 2 、 Figure 4As shown, the inner wall of the fixed frame 211 is fixedly connected to the motor 21, the output end of the motor 21 passes through the outer wall of the door frame 1 and is fixedly connected to the rotating rod 22, the rear end of the rotating rod 22 is fixedly connected to the active bevel gear 23, the bottom of the active bevel gear 23 is engaged with the driven bevel gear 24, the axis of the driven bevel gear 24 is fixedly connected to the rotating shaft 25, and the top end of the rotating shaft 25 is rotatably connected to the top end of the inner cavity of the door frame 1.

[0032] By starting the motor 21 , the motor 21 drives the rotating rod 22 to rotate, so that the rotating rod 22 drives the driving bevel gear 23 to rotate, so that the driving bevel gear 23 engages with the driven bevel gear 24 , thereby driving the rotating shaft 25 to rotate.

[0033] like Figure 2 、 Figure 4 As shown, the bottom of the outer wall of the rotating shaft 25 is fixedly connected with a gear 26, the rear part of the gear 26 is engaged with a tooth plate 27, the bottom end of the tooth plate 27 is fixedly connected to the top of the fire door 12, the right part of the rear end of the tooth plate 27 is fixedly connected with a guide block 271, the outer wall of the guide block 271 is slidably connected to the top of the door frame 1, and the shape of the guide block 271 is T-shaped, the front part of the gear 26 is engaged with a tooth plate 28, the top of the tooth plate 28 is fixedly connected to the top of the fire door 13, the left part of the front end of the tooth plate 28 is fixedly connected with a guide block 281, the outer wall of the guide block 281 is slidably connected to the top of the door frame 1, and the shape of the guide block 281 is T-shaped.

[0034] When the rotating shaft 25 rotates, the gear 26 is driven to engage with the tooth plate 1 27 and the tooth plate 2 28, thereby driving the tooth plate 1 27 and the tooth plate 2 28 to move. The tooth plate 1 27 and the tooth plate 2 28 respectively drive the guide block 1 271 and the guide block 2 281 to slide on the inner wall of the door frame 1. The guide block 1 271 and the guide block 2 281 limit and guide the tooth plate 1 27 and the tooth plate 2 28, so that the tooth plate 1 27 and the tooth plate 2 28 move more smoothly. At the same time, the tooth plate 1 27 and the tooth plate 2 28 respectively drive the fire door 12 and the fire door 2 13 to move in opposite directions, thereby opening the fire door 12 and the fire door 2 13.

[0035] like Figure 2 、 Figure 5 As shown, one end of the baffle 31 is fixedly connected to a pad 32, the outer wall of the pad 32 is fixedly connected to a limiting block 33, the front and rear ends of the pad 32 are fixedly connected to a buffer spring 34, the outer wall of the buffer spring 34 is slidably connected to the inner wall of the door frame 1, and the shape of the buffer spring 34 is T-shaped.

[0036] During the opening process of fire door 12 and fire door 2, 13, the outer walls of fire door 12 and fire door 2, 13 contact the outer wall of the limit block 33, and the limit block 33 drives the pad 32 to move synchronously. At the same time, the pad 32 drives the buffer spring 34 to slide on the inner wall of the door frame 1. The buffer spring 34 limits and guides the pad 32 so that the pad 32 cannot move further after sliding to a certain distance. At the same time, the pad 32 drives the baffle 31 to contract, thereby protecting fire door 12 and fire door 2, 13, and preventing fire door 12 and fire door 2, 13 from being subjected to excessive impact, thereby achieving the effect of opening fire door 12 and fire door 2, 13.

[0037] The working principle of the present utility model is as follows: when it is necessary to open the fire door 12 and the fire door 2 13, the motor 21 is started, the motor 21 drives the rotating rod 22 to rotate, the rotating rod 22 drives the active bevel gear 23 to rotate, the active bevel gear 23 is meshed with the driven bevel gear 24, thereby driving the rotating shaft 25 to rotate, the rotating shaft 25 drives the gear 26 to mesh with the tooth plate 1 27 and the tooth plate 2 28, thereby driving the tooth plate 1 27 and the tooth plate 2 28 to move, the tooth plate 1 27 and the tooth plate 2 28 respectively drive the guide block 1 271 and the guide block 2 281 to slide on the inner wall of the door frame 1, and the guide block 1 271 and the guide block 2 281 move the tooth plate 1 27 and the tooth plate 2 28. The tooth plates 1 27 and 28 are guided by the limit block 33 so that the tooth plates 1 27 and 28 move more smoothly. At the same time, the tooth plates 1 27 and 28 drive the fire doors 1 12 and 2 13 to move in opposite directions respectively, so as to open the fire doors 1 12 and 2 13. When the fire doors 1 12 and 2 13 are opened, the outer walls of the fire doors 12 and 2 13 contact the outer walls of the limit block 33. The limit block 33 drives the pad 32 to move synchronously. At the same time, the pad 32 drives the buffer spring 34 to slide on the inner wall of the door frame 1. The buffer spring 34 limits the pad 32 so that the pad 32 cannot move further after sliding to a certain distance. When the fire door 12 and the fire door 2 are opened, the fire door 12 and the fire door 2 are opened, and the fire door 12 and the fire door 2 are opened. ...3 are opened. When the fire door 12 and the fire door 2 are opened, the fire door 12 and the fire door 2 are opened, and the fire door 13 are opened. When the fire door The effect of small resistance is achieved. When fire door 12 and fire door 2 13 need to be closed, motor 21 is reversed to close fire door 12 and fire door 2 13. During the closing process, fire door 12 drives ridge 16 and buffer pad 17 to move synchronously, so that the outer walls of ridge 16 and buffer pad 17 are inserted into the inner wall of fire door 2 13. Buffer pad 17 reduces the impact generated when fire door 12 and fire door 2 13 are closed, thereby protecting fire door 12 and fire door 2 13 and avoiding impact damage when fire door 12 and fire door 2 13 are closed, thereby achieving a protective effect, thereby greatly improving the user experience.

[0038] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A sliding fire door, comprising a door frame (1), characterized in that: The top of the front end of the door frame (1) is fixedly connected to a smoke alarm (11), the inner wall of the door frame (1) is slidably connected to a first fire door (12), the inner wall of the door frame (1) is slidably connected to a second fire door (13), the top of the front end of the door frame (1) is fixedly connected to a driving mechanism (2), the left and right parts of the inner cavity of the door frame (1) are fixedly connected to a protective mechanism (3), the driving mechanism (2) comprises a fixed frame (211), the rear end of the fixed frame (211) is fixedly connected to the top of the front end of the door frame (1), the protective mechanism (3) comprises two baffles (31), one end of the baffle (31) is fixedly connected to one end of the inner cavity of the door frame (1).

2. A sliding fire door according to claim 1, characterized in that: The bottom ends of the fire door 1 (12) and the fire door 2 (13) are both linearly fixedly connected to a moving wheel (14), the inner wall of the moving wheel (14) is slidably connected to a guide rail (15), and the bottom end of the guide rail (15) is fixedly connected to the bottom end of the inner cavity of the door frame (1).

3. The sliding fire door according to claim 1, characterized in that: The right end of the fire door 1 (12) is fixedly connected with a convex strip (16), the right end of the convex strip (16) is fixedly connected with a buffer pad (17), the outer wall of the buffer pad (17) is plugged into the inner wall of the fire door 2 (13), and the outer wall of the convex strip (16) is plugged into the inner wall of the fire door 2 (13).

4. The sliding fire door according to claim 1, characterized in that: The inner wall of the fixed frame (211) is fixedly connected to a motor (21); the output end of the motor (21) passes through the outer wall of the door frame (1) and is fixedly connected to a rotating rod (22); the rear end of the rotating rod (22) is fixedly connected to an active bevel gear (23); the bottom of the active bevel gear (23) is engaged with a driven bevel gear (24); the axis of the driven bevel gear (24) is fixedly connected to a rotating shaft (25); the top end of the rotating shaft (25) is rotatably connected to the top end of the inner cavity of the door frame (1).

5. The sliding fire door according to claim 4, characterized in that: The bottom of the outer wall of the rotating shaft (25) is fixedly connected with a gear (26), the rear part of the gear (26) is meshed with a tooth plate (27), the bottom end of the tooth plate (27) is fixedly connected to the top of the fire door (12), the right part of the rear end of the tooth plate (27) is fixedly connected with a guide block (271), the outer wall of the guide block (271) is slidably connected to the top of the door frame (1), and the outer shape of the guide block (271) is T-shaped.

6. The sliding fire door according to claim 5, characterized in that: The front portion of the gear (26) is meshed with a tooth plate 2 (28), the top end of the tooth plate 2 (28) is fixedly connected to the top end of the fire door 2 (13), the left portion of the front end of the tooth plate 2 (28) is fixedly connected to a guide block 2 (281), the outer wall of the guide block 2 (281) is slidably connected to the top of the door frame (1), and the outer shape of the guide block 2 (281) is T-shaped.

7. The sliding fire door according to claim 1, characterized in that: One end of the baffle (31) is fixedly connected to a cushion block (32), the outer wall of the cushion block (32) is fixedly connected to a limiting block (33), the front and rear ends of the cushion block (32) are fixedly connected to a buffer spring (34), the outer wall of the buffer spring (34) is slidably connected to the inner wall of the door frame (1), and the outer shape of the buffer spring (34) is T-shaped.

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