Steel fireproof door with low noise

Abstract

The utility model discloses a steel fireproof door with low noise. The steel fireproof door comprises a door frame, a baffle is arranged on one side of the door frame, a buffer gasket is arranged on one side of the baffle, and a fireproof door plate is in lap joint with one side of the buffer gasket; wherein a T-shaped block is arranged on one side of the fireproof door plate, a rotating rod is arranged on one side of the T-shaped block, and a conical block is arranged on one side of the rotating rod; wherein a torsion spring is arranged on one side of the conical block, a buffering blocking piece is arranged on one side of the torsion spring, and by arranging the torsion spring and the buffering blocking piece, the buffering effect of the buffering blocking piece is achieved when the fireproof door plate makes contact with the door frame, and the buffering structure is arranged at the connecting position of the door frame and the fireproof door plate; and in addition, through the mode that the conical block, the conical groove and the balls are arranged, noise generated at the joint of the door frame and the fireproof door plate can be conveniently reduced, and therefore the noise of the steel fireproof door can be conveniently made to be smaller.

Description

Technical Field

[0001] The utility model relates to the field of fireproof doors, in particular to a steel fireproof door with low noise. Background Art

[0002] A steel fire door refers to a door with a specified fire resistance composed of a door frame, door leaf skeleton and door leaf panel made of steel materials. If the door leaf is filled with fireproof and heat-insulating materials that are non-toxic and harmless to the human body, and equipped with fireproof hardware accessories. However, existing steel fire doors will make noise during use, thus affecting the user experience.

[0003] Publication No. CN211313976U discloses a bedroom door that closes quietly, and relates to the technical field of bedroom doors, including a door frame, the inner wall of the door frame is connected to a revolving door by hinge rotation, a side wall of the revolving door is fixedly connected to a clamping strip, and a rubber strip is provided on the clamping strip, a side wall of the door frame is provided with a slot, and a rectangular slot is provided on the slotted side wall, an elastic component is provided on the inner wall of the rectangular slot, a shielding component is provided on the side wall of the revolving door, and a plurality of through holes are provided on the revolving door. In the utility model, a spring, an elastic plate and a clamping strip are used, and when the door is closed, the clamping strip contacts the elastic plate, and due to the action of the spring, a buffering effect is played, and the elastic strip and the rubber strip have a buffering effect, so that less noise is produced and a silent effect is achieved, but the patent still has the following problems in actual use:

[0004] The revolving door plays a buffering role by providing a spring, an elastic plate and a snap-on strip. However, in addition to the noise generated by the collision between the door frame and the revolving door when closing the door, noise is also easily generated at the connection between the revolving door and the door frame. Moreover, the elastic component is provided on the outside of the revolving door and is often exposed on the outside of the revolving door when in use, thus affecting the aesthetics of the revolving door and making the device less practical.

[0005] A low-noise steel fire door is proposed to solve the above-mentioned problems. Utility Model Content

[0006] The purpose of the utility model is to provide a steel fireproof door with low noise, so as to solve the problem proposed in the above background technology that the current revolving door plays a buffering role by arranging springs, elastic plates and clamping strips, but in addition to the noise generated by the collision between the door frame and the revolving door when closing the door, noise is also easily generated at the connection between the revolving door and the door frame, and the elastic component is arranged on the outside of the revolving door and is often exposed on the outside of the revolving door when in use, thus affecting the aesthetics of the revolving door and causing the device to be not practical enough.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a low-noise steel fireproof door, comprising a door frame;

[0008] Also includes:

[0009] A baffle is provided on one side of the door frame, a buffer gasket is provided on one side of the baffle, and a fireproof door panel is overlapped on one side of the buffer gasket;

[0010] Wherein, a T-shaped block is arranged on one side of the fireproof door panel, a rotating rod is arranged on one side of the T-shaped block, and a conical block is arranged on one side of the rotating rod;

[0011] Wherein, a torsion spring is arranged on one side of the conical block, and a buffer baffle is arranged on one side of the torsion spring.

[0012] Preferably, a baffle is fixedly connected to one side in the middle of the door frame, a buffer gasket is fixedly connected to one side of the baffle, and a sealing strip is fixedly connected to the other side of the baffle, so as to reduce noise during closing.

[0013] Preferably, a handle is installed in the middle of one side of the fireproof door panel, and a T-block is overlapped on one side of one end of the fireproof door panel, and a connecting bolt is provided on one side of the T-block, and a through hole is opened in the middle of one side of the T-block, and a rotating rod is rotatably connected to the middle of the through hole, and one end of the rotating rod is fixedly connected to a conical block, and a ball is rotatably connected to one side of the conical block, and a conical groove is overlapped on one side of the ball, so as to reduce noise during rotation.

[0014] Preferably, one end of the conical block is fixedly connected to a limiting ring, and one side of the limiting ring is fixedly connected to a positioning rod, and a torsion spring is sleeved on the outer side of the positioning rod, and one end of the torsion spring is fixedly connected to a buffer baffle, and one end of the positioning rod is fixedly connected to a mounting frame, and one side of the mounting frame is provided with mounting bolts, so as to facilitate buffering the closing of the fire door panel.

[0015] Preferably, one side of the sealing strip overlaps with the fireproof door panel, and a buffer gasket is arranged at the corner of the baffle to reduce the noise outside the door.

[0016] Preferably, the T-block is fixedly connected to one end of the fireproof door panel by means of connecting bolts, and conical grooves are provided at both ends of the through hole to facilitate the connection between the fireproof door panel and the door frame.

[0017] Preferably, the mounting frame is fixedly connected to the door frame by mounting bolts, and one end of the buffer baffle is fixedly connected to one side of the T-block, and the other end of the buffer baffle overlaps one side of the door frame, so as to avoid noise caused by rapid closing of the fire door.

[0018] Compared with the prior art, the utility model has the following beneficial effects: the steel fire door with low noise plays a buffering role when the buffer baffle contacts the fire door panel and the door frame by arranging a torsion spring and a buffer baffle, and the buffer structure is arranged at the connection between the door frame and the fire door panel to avoid affecting the aesthetics of the steel fire door, and the device is convenient for reducing the noise generated at the connection between the door frame and the fire door panel by arranging a tapered block, a tapered groove and a ball bearing, thereby making the steel fire door less noisy. The specific contents are as follows:

[0019] 1. The device is provided with a torsion spring and a buffer baffle, so that the buffer baffle plays a buffering role when the fire door panel contacts the door frame, thereby preventing the door panel and the door frame from closing quickly and causing noise. The buffer structure is provided at the connection between the door frame and the fire door panel to avoid the buffer structure being exposed on the outside of the steel fire door, thereby avoiding affecting the aesthetics of the steel fire door.

[0020] 2. The device reduces the friction between the door frame and the fire door panel during rotation by arranging conical blocks, conical grooves and balls, thereby reducing the noise generated at the connection between the door frame and the fire door panel, thereby making the steel fire door less noisy. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the front cross-section structure of the utility model;

[0022] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 3 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0024] Figure 4 This is a top view of the cross-sectional structure of the positioning rod of the utility model;

[0025] Figure 5 For this utility model Figure 2 Enlarged structural diagram at B in the middle.

[0026] In the figure: 1. door frame; 2. baffle; 3. buffer gasket; 4. sealing strip; 5. fireproof door panel; 6. handle; 7. T-block; 8. connecting bolt; 9. through hole; 10. rotating rod; 11. conical groove; 12. ball bearing; 13. conical block; 14. limit ring; 15. positioning rod; 16. torsion spring; 17. buffer baffle; 18. mounting bolt; 19. mounting frame. DETAILED DESCRIPTION

[0027] 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 implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0028] See also Figure 1-5 The utility model provides a technical solution: a steel fireproof door with low noise, comprising a door frame 1; further comprising: a baffle 2 is arranged on one side of the door frame 1, and a buffer gasket 3 is arranged on one side of the baffle 2, and a fireproof door panel 5 is overlapped on one side of the buffer gasket 3; a baffle 2 is fixedly connected to one side of the middle of the door frame 1, and a buffer gasket 3 is fixedly connected to one side of the baffle 2, and a sealing strip 4 is fixedly connected to the other side of the baffle 2, such as Figure 1 , 2 As shown in FIG. 5 , the sealing strip 4 is provided to enhance the fit between the door frame 1 and the fireproof door panel 5, thereby facilitating the blocking of noise outside the door, and the buffer gasket 3 is provided to form a buffer when the door frame 1 and the fireproof door panel 5 are fitted together, thereby reducing the noise generated when the steel fireproof door is closed.

[0029] Among them, a T-block 7 is provided on one side of the fireproof door panel 5, and a rotating rod 10 is provided on one side of the T-block 7, and a conical block 13 is provided on one side of the rotating rod 10; a handle 6 is installed in the middle of one side of the fireproof door panel 5, and a T-block 7 is overlapped on one side of one end of the fireproof door panel 5, and a connecting bolt 8 is provided on one side of the T-block 7, and a through hole 9 is opened in the middle of one side of the T-block 7, and the middle of the through hole 9 is rotatably connected with the rotating rod 10, and one end of the rotating rod 10 is fixedly connected with the conical block 13, and a ball 12 is rotatably connected to one side of the conical block 13, and a conical groove 11 is overlapped on one side of the ball 12, such as Figure 1 , 3 4, the door frame 1 and the fire door panel 5 can be connected conveniently by the arrangement of the T-block 7 and the mounting frame 19, and the positions of the rotating rod 10 and the through hole 9 can be limited conveniently by the arrangement of the tapered block 13 and the tapered groove 11, and the friction between the tapered block 13 and the tapered groove 11 can be reduced conveniently by the arrangement of the ball 12, thereby facilitating the reduction of the noise generated by the opening and closing of the steel fire door.

[0030] Among them, a torsion spring 16 is provided on one side of the conical block 13, and a buffer baffle 17 is provided on one side of the torsion spring 16; one end of the conical block 13 is fixedly connected to the limiting ring 14, and one side of the limiting ring 14 is fixedly connected to the positioning rod 15, and the outer side of the positioning rod 15 is sleeved with the torsion spring 16, and one end of the torsion spring 16 is fixedly connected to the buffer baffle 17, and one end of the positioning rod 15 is fixedly connected to the mounting frame 19, and one side of the mounting frame 19 is provided with a mounting bolt 18, such as Figure 1 , 3 As shown in FIG. 4 , by setting the buffer baffle 17, a buffer is formed between the fire door panel 5 and the door frame 1 when the door is opened and closed, so as to avoid a large impact force when the door is opened and closed quickly, thereby avoiding the generation of large noise, and a buffer structure is designed at the connection to avoid affecting the aesthetics of the steel fire door, thereby making the device more aesthetically pleasing.

[0031] One side of the sealing strip 4 overlaps the fireproof door panel 5, and the buffer gasket 3 is arranged at the corner of the baffle 2; the T-block 7 is fixedly connected to one end of the fireproof door panel 5 by the connecting bolt 8, and the conical groove 11 is opened at both ends of the through hole 9; the mounting frame 19 is fixedly connected to the door frame 1 by the mounting bolt 18, and one end of the buffer baffle 17 is fixedly connected to one side of the T-block 7, and the other end of the buffer baffle 17 overlaps one side of the door frame 1, as shown in FIG. Figure 1 , 2 As shown in , 3, 4, and 5, it is convenient to reduce the noise of the steel fire door during use through the arrangement of the sealing strip 4, the buffer gasket 3, the T-block 7, the buffer baffle 17, and the installation frame 19, avoid affecting the user's experience, and make the device more practical.

[0032] Working principle: When using the device, firstly, the mounting frame 19 is fixedly installed on one side of the door frame 1 by means of the mounting bolts 18, and the T-block 7 is fixed on one side of the fireproof door panel 5 by means of the connecting bolts 8.

[0033] Secondly, during use, by pulling the handle 6, the fireproof door panel 5 is rotated in the through hole 9 through the rotating rod 10. At this time, the ball 12 on the conical block 13 slides in the conical groove 11. When the fireproof door panel 5 rotates on the inner side of the door frame 1, the T-block 7 drives one side of the buffer baffle 17 to rotate, so that the buffer baffle 17 on the other side overlaps with the inner side of the door frame 1, and then the torsion spring 16 on the outer side of the positioning rod 15 on one side of the limit ring 14 contracts, and the buffer baffle 17 forms a buffer between the door frame 1 and the fireproof door panel 5.

[0034] Finally, when the fireproof door panel 5 and the door frame 1 are closed, the sealing strip 4 and the buffer gasket 3 on one side of the baffle 2 fit with the fireproof door panel 5 .

[0035] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A low-noise steel fire door, comprising a door frame (1); It is characterized in that Also includes: A baffle (2) is provided on one side of the door frame (1), a buffer gasket (3) is provided on one side of the baffle (2), and a fireproof door panel (5) is overlapped on one side of the buffer gasket (3); Wherein, a T-shaped block (7) is arranged on one side of the fireproof door panel (5), a rotating rod (10) is arranged on one side of the T-shaped block (7), and a conical block (13) is arranged on one side of the rotating rod (10); A torsion spring (16) is arranged on one side of the conical block (13), and a buffer baffle (17) is arranged on one side of the torsion spring (16).

2. A low-noise steel fire door according to claim 1, characterized in that: A baffle (2) is fixedly connected to one side in the middle of the door frame (1), a buffer gasket (3) is fixedly connected to one side of the baffle (2), and a sealing strip (4) is fixedly connected to the other side of the baffle (2).

3. A low-noise steel fire door according to claim 1, characterized in that: A handle (6) is installed in the middle of one side of the fireproof door panel (5), and a T-shaped block (7) is overlapped on one side of one end of the fireproof door panel (5), and a connecting bolt (8) is arranged on one side of the T-shaped block (7), and a through hole (9) is opened in the middle of one side of the T-shaped block (7), and a rotating rod (10) is rotatably connected in the middle of the through hole (9), and a conical block (13) is fixedly connected to one end of the rotating rod (10), and a ball (12) is rotatably connected to one side of the conical block (13), and a conical groove (11) is overlapped on one side of the ball (12).

4. A low-noise steel fire door according to claim 1, characterized in that: One end of the conical block (13) is fixedly connected to a limiting ring (14), and one side of the limiting ring (14) is fixedly connected to a positioning rod (15), and a torsion spring (16) is sleeved on the outer side of the positioning rod (15), and one end of the torsion spring (16) is fixedly connected to a buffer baffle (17), and one end of the positioning rod (15) is fixedly connected to a mounting frame (19), and one side of the mounting frame (19) is provided with a mounting bolt (18).

5. A low-noise steel fire door according to claim 2, characterized in that: One side of the sealing strip (4) overlaps the fireproof door panel (5), and the buffer gasket (3) is arranged at the folded corner of the baffle (2).

6. A low-noise steel fire door according to claim 3, characterized in that: The T-shaped block (7) is fixedly connected to one end of the fireproof door panel (5) via a connecting bolt (8), and the conical grooves (11) are provided at both ends of the through hole (9).

7. A low-noise steel fire door according to claim 4, characterized in that: The mounting frame (19) is fixedly connected to the door frame (1) via mounting bolts (18), one end of the buffer baffle (17) is fixedly connected to one side of the T-block (7), and the other end of the buffer baffle (17) overlaps one side of the door frame (1).

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