Smoke-isolating fireproof door

Abstract

The utility model discloses a smoke isolation fireproof door which comprises a door body, a handle arranged on the surface of the door body and a door frame rotationally connected to one side of the door body through hinges, and a telescopic assembly is arranged in the door frame. The telescopic assembly comprises a connecting frame and a supporting plate welded to the inner side surface of the connecting frame, a round hole is formed in the surface of the supporting plate, the connecting frame is connected to a sliding groove formed in the inner surface of the door frame through a plurality of sliding assemblies arranged on the outer side surface, and each sliding assembly comprises a sliding block slidably connected to the sliding groove; one end of the sliding block is rotationally connected with a rotating ball. The connecting frame is arranged, the supporting plate is fixed to the wall face through the expansion bolts, so that the connecting frame is fixed to the wall face, the door frame is tightly connected to the wall face due to the fact that the sliding assembly is arranged on the surface of the connecting frame and connected to the door frame, and the problem that the door frame and the wall cannot be tightly attached is solved. And the sealing performance and the stability of the installed fireproof door are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fireproof doors, in particular to a smoke-proof fireproof door. Background Art

[0002] Fire doors are mainly composed of door frames, door leaves, fire hinges, fire locks and other fireproof hardware accessories. When installing the fire door, place the fire door in the door opening, then use expansion bolts or other fixing devices to fix the door frame to the wall, and ensure that there is no gap between the door frame and the wall.

[0003] After searching, the Chinese patent application number 201821153945.7 discloses a smoke-proof fire door, including a door frame and a door leaf, the door leaf is arranged on the door frame, the door leaf is provided with a door lock, and the door frame is provided with a door lock groove, which is characterized in that: a cavity is provided on the door frame, the cavity mouth of the cavity faces the door leaf, a smoke-proof plate is provided in the cavity, the smoke-proof plate slides with the cavity, a driving device for driving the smoke-proof plate to move is also provided in the cavity, and the door leaf is also provided with a device for facilitating the insertion of the smoke-proof plate into the smoke-proof groove of the door leaf.

[0004] The above patent has the following deficiencies: the door frame does not have a structure for adjusting the width, so that the door frame cannot be closely fitted to the wall, resulting in poor sealing of the installed fire door. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and provides a smoke and fireproof door.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A smoke-proof fireproof door comprises a door body, a handle arranged on the surface of the door body, and a door frame rotatably connected to one side of the door body through a hinge, wherein a telescopic component is arranged inside the door frame;

[0008] The telescopic assembly includes a connecting frame and a support plate welded to the inner surface of the connecting frame, the surface of the support plate is provided with a circular hole, and the connecting frame is connected to the sliding groove provided on the inner surface of the door frame through a plurality of sliding assemblies provided on the outer surface.

[0009] As a further solution of the utility model: the sliding assembly includes a sliding block slidably connected to the sliding groove, and one end of the sliding block is rotatably connected to a rotating ball.

[0010] As a further solution of the utility model: a connecting rod is fixedly connected to the surface of the rotating ball, and the other end of the connecting rod is fixedly connected to the outer surface of the connecting frame.

[0011] As a further solution of the utility model: a grouting hole is arranged on the inner surface of the door frame, a circular ring 1 is arranged on the outer side of the grouting hole, and a hidden groove is formed between the circular ring 1 and the door frame.

[0012] As a further solution of the utility model: the side surface of the first circular ring is threadedly connected with the second circular ring.

[0013] As a further solution of the utility model: a closing plate is fixedly connected to the surface of the second circular ring.

[0014] As a further solution of the utility model: a groove is provided on the surface of the closing plate.

[0015] As a further solution of the utility model: the lower end surface of the door frame is provided with a fixing plate by screws.

[0016] Compared with the prior art, the utility model provides a smoke and fireproof door, which has the following beneficial effects:

[0017] The utility model is provided with a connection frame, and the support plate is first fixed to the wall surface by expansion bolts, so that the connection frame is fixed to the wall surface. Since the sliding assembly is arranged on the surface of the connection frame and connected to the door frame, the door frame is closely connected to the wall surface, thereby solving the problem that the door frame and the wall cannot be closely fitted, and increasing the sealing and stability of the installed fireproof door;

[0018] By providing a rotating ball, the rotating ball is used to rotate and connect to the slider, so that the angle of the connecting frame can be adjusted when sliding in the door frame. When the wall surface on which the fire door is installed is not vertical, the connecting frame still fits tightly to the wall surface, thereby further increasing the sealing and stability of the fireproof installation;

[0019] By providing grouting holes, mortar is poured into the door frame and the connecting frame through the grouting holes. Since the contact surface between the connecting frame and the wall is not blocked, the mortar can be in direct contact with the wall, so that the mortar can be adhered to the wall after it dries, thereby further increasing the stability of the fire door installation and the sealing of the fire door.

[0020] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. The utility model has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The utility model is a schematic diagram of the overall structure of a smoke and fireproof door.

[0022] Figure 2 The utility model is a schematic diagram of the telescopic component structure of a smoke and fireproof door.

[0023] Figure 3This is an enlarged view of a smoke and fireproof door A proposed by the utility model.

[0024] Figure 4 This is an enlarged view of a smoke and fireproof door B proposed by the utility model.

[0025] Figure 5 The utility model is a schematic diagram of the local structure of a smoke and fireproof door.

[0026] In the figure: 1. door body; 2. hinge; 3. handle; 4. door frame; 5. telescopic assembly; 6. connecting frame; 7. sliding assembly; 8. slide groove; 9. slider; 10. rotating ball; 11. connecting rod; 12. hidden groove; 13. ring one; 14. ring two; 15. closing plate; 16. groove; 17. grouting hole; 18. fixing plate; 19. support plate; 20. round hole. DETAILED DESCRIPTION

[0027] 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.

[0028] A smoke and fire door, such as Figure 1-Figure 3 As shown, it includes a door body 1, a handle 3 arranged on the surface of the door body 1, and a door frame 4 rotatably connected to one side of the door body 1 through a hinge 2, and a telescopic component 5 is arranged inside the door frame 4.

[0029] The telescopic component 5 includes a connecting frame 6 and a support plate 19 welded to the inner surface of the connecting frame 6. A circular hole 20 is provided on the surface of the support plate 19. The connecting frame 6 is connected to a slide groove 8 provided on the inner surface of the door frame 4 through a plurality of sliding components 7 provided on the outer surface.

[0030] When in use, first drill a hole on the wall according to the position of the circular hole 20 on the surface of the support plate 19, then use expansion bolts to fix the support plate 19 on one side of the door frame 4 to the wall, so that the connecting frame 6 on one side of the door frame 4 is tightly fitted to the wall, repeat the above steps to fix the connecting frame 6 on the other side of the fire door to the wall with bolts, repeat the above steps, and finally fix the connecting frame 6 on the upper side of the door frame 4 to the wall.

[0031] The device is provided with a connecting frame 6, and the support plate 19 is first fixed to the wall by expansion bolts, so that the connecting frame 6 is fixed to the wall. Since the sliding component 7 is provided on the surface of the connecting frame 6 and connected to the door frame 4, the door frame 4 is tightly connected to the wall, thereby solving the problem that the door frame 4 cannot fit tightly with the wall, and increasing the sealing and stability of the installed fire door.

[0032] like Figure 1As shown, the sliding assembly 7 includes a slider 9 slidably connected to the slide groove 8, one end of the slider 9 is rotatably connected to a rotating ball 10, the surface of the rotating ball 10 is fixedly connected to a connecting rod 11, and the other end of the connecting rod 11 is fixedly connected to the outer surface of the connecting frame 6.

[0033] The device is provided with a rotating ball 10, which is rotatably connected to the slider 9, so that the angle of the connecting frame 6 can be adjusted when sliding in the door frame 4. When the wall on which the fire door is installed is not vertical, the connecting frame 6 still fits tightly to the wall, thereby further increasing the sealing and stability of the fireproof installation.

[0034] like Figure 5 As shown, a grouting hole 17 is provided on the inner surface of the door frame 4, and a circular ring 13 is provided on the outer side of the grouting hole 17, and a hidden groove 12 is formed between the circular ring 13 and the door frame 4.

[0035] The side surface of the circular ring 13 is threadedly connected with the circular ring 2 14 , and the surface of the circular ring 2 14 is fixedly connected with a closing plate 15 ; the surface of the closing plate 15 is provided with a groove 16 .

[0036] The device is provided with a grouting hole 17, through which mortar is poured into the door frame 4 and the connecting frame 6. Since the contact surface between the connecting frame 6 and the wall is not blocked, the mortar can be in direct contact with the wall, so that the mortar can be adhered to the wall after drying, thereby further increasing the stability of the fire door installation and the sealing of the fire door.

[0037] In addition, after the grouting of the fire door is completed, a screwdriver is inserted into the groove 16 to rotate the closing plate 15 and the ring 2 14 so that the ring 13 and the ring 2 14 can be tightly connected together. Since the hidden groove 12 is provided on the white surface of the door frame 4, the surface of the closing plate 15 and the surface of the door frame 4 are on the same plane, thereby increasing the beauty of the fire door.

[0038] like Figure 1 As shown, the lower end surface of the door frame 4 is provided with a fixing plate 18 by screws.

[0039] The device is provided with a fixing plate 18, and the fixing plate 18 can be used to prevent the door frame 4 from being deformed during the transportation and installation of the fire door. After the fire door is installed, the fixing plate 18 is removed and can be reused.

[0040] Working principle: first, drill holes on the wall according to the positions of the circular holes 20 on the surface of the support plate 19, and then use expansion bolts to fix the support plate 19 on one side of the door frame 4 to the wall, so that the connecting frame 6 on one side of the door frame 4 is tightly fitted with the wall, repeat the above steps to fix the connecting frame 6 on the other side of the fire door to the wall with bolts, repeat the above steps, and finally fix the connecting frame 6 on the upper side of the door frame 4 to the wall, and then pour mortar into the door frame 4 and the connecting frame 6 through the grouting holes 17. Since the contact surface between the connecting frame 6 and the wall is not sealed, the mortar can be in direct contact with the wall, so that the mortar can be adhered to the wall after it dries. After the grouting is completed, insert a screwdriver into the groove 16, rotate the closing plate 15 and the ring 2 14, so that the ring 1 13 and the ring 2 14 can be tightly connected together. Since the white surface of the door frame 4 is provided with a hidden groove 12, the surface of the closing plate 15 and the surface of the door frame 4 are on the same plane. When the mortar is dry, remove the fixing plate 18 to complete the installation of the fire door.

[0041] 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

1. A smoke-proof fire door, comprising a door body (1), a handle (3) arranged on the surface of the door body (1), and a door frame (4) rotatably connected to one side of the door body (1) via a hinge (2). It is characterized in that A telescopic component (5) is arranged inside the door frame (4); The telescopic assembly (5) comprises a connecting frame (6) and a support plate (19) welded to the inner surface of the connecting frame (6); a circular hole (20) is provided on the surface of the support plate (19); the connecting frame (6) is connected to a slide groove (8) provided on the inner surface of the door frame (4) via a plurality of sliding assemblies (7) provided on the outer surface.

2. A smoke and fireproof door according to claim 1, It is characterized in that The sliding assembly (7) comprises a sliding block (9) slidably connected to a sliding groove (8); one end of the sliding block (9) is rotatably connected to a rotating ball (10).

3. A smoke and fireproof door according to claim 2, It is characterized in that A connecting rod (11) is fixedly connected to the surface of the rotating ball (10), and the other end of the connecting rod (11) is fixedly connected to the outer surface of the connecting frame (6).

4. A smoke and fireproof door according to claim 1, It is characterized in that The inner surface of the door frame (4) is provided with a grouting hole (17), the outer side of the grouting hole (17) is provided with a circular ring (13), and a hidden groove (12) is formed between the circular ring (13) and the door frame (4).

5. A smoke and fireproof door according to claim 4, It is characterized in that The side surface of the circular ring 1 (13) is threadedly connected with the circular ring 2 (14).

6. A smoke and fireproof door according to claim 5, It is characterized in that A closing plate (15) is fixedly connected to the surface of the second circular ring (14).

7. A smoke and fireproof door according to claim 6, It is characterized in that A groove (16) is provided on the surface of the closing plate (15).

8. A smoke and fireproof door according to claim 4, It is characterized in that The lower end surface of the door frame (4) is provided with a fixing plate (18) via screws.

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