CN218912717U

CN218912717U - Fireproof door convenient to install

Info

Publication number: CN218912717U
Application number: CN202222947900.XU
Authority: CN
Inventors: 李宗波; 太清斌; 卞振山
Original assignee: Shandong Runlin Fire Engineering Co ltd
Current assignee: Shandong Runlin Fire Engineering Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-04-25
Anticipated expiration: 2032-11-07

Abstract

The utility model discloses a fireproof door convenient to install, which is rotatably arranged on a door frame through a fireproof hinge, wherein the door frame comprises an inner door frame and an outer door frame which are positioned at the inner side and the outer side of a wall body, the sections of the inner door frame and the outer door frame are L-shaped structures, and one side wall of the inner side of a door opening is mutually overlapped and clamped; the fireproof door comprises a fireproof hinge, a fireproof door body and a fireproof door body, wherein the fireproof door body is characterized in that two first supporting sleeves are arranged on an outer door frame, two second supporting sleeves are correspondingly arranged on the fireproof door body, the axes of the first supporting sleeves and the second supporting sleeves are all positioned on the same straight line with the axis of the fireproof hinge, one end, far away from the first supporting sleeves, of the second supporting sleeves is sealed, an elastic telescopic column is arranged inside the fireproof door body, and the outer end of the elastic telescopic column is inserted into the first supporting sleeves. The inner door frame and the outer door frame are of split type structures, are convenient and quick to install, and support the fireproof door through the cooperation of the first supporting sleeve, the second supporting sleeve and the elastic telescopic column, so that the fireproof hinge is convenient to install, and the phenomenon that the fireproof door is inclined to install due to manual holding is avoided.

Description

Fireproof door convenient to install

Technical Field

The utility model relates to a fireproof door, in particular to a fireproof door convenient to install.

Background

Fireproof doors are doors that meet the requirements of fire resistance stability, integrity and thermal insulation over a period of time. The fire-proof door is arranged in a fire-proof partition area, an evacuation stairway, a vertical shaft and the like, has a fire-proof partition with certain fire resistance, and is normally open when the fire-proof door is kept open at ordinary times, so that personnel can pass conveniently, and the fire-proof door can be used for fire-proof evacuation under the condition of fire; normally closed fireproof doors are normally in a closed state, and can effectively block the invasion of strong smoke and fire after a fire disaster occurs. Fireproof doors comprise a door body, a door frame and a fireproof hinge, wherein the door body is arranged on the door frame through the rotation of the fireproof hinge, the door frame of the fireproof door in the prior art is complex in general in structural installation operation, the fireproof hinge is firstly fixed on the door body when the door body is installed, then the door body is held by one person, the fireproof hinge is fixed by one person, and the door body is easy to shake in the process, so that the fixing skew is caused, and the installation of the fireproof door is not up to standard.

Disclosure of Invention

The utility model aims to solve the technical problems and provide the fireproof door convenient to install.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the fireproof door comprises a door frame, a fireproof door and a fireproof hinge, wherein the door frame is fixed on a wall body, the fireproof door is rotatably opened and closed on the door frame through the fireproof hinge, the door frame comprises an inner door frame and an outer door frame which are positioned on the inner side and the outer side of the wall body, the sections of the inner door frame and the outer door frame are of L-shaped structures, and one side wall of the inner side of a door opening is mutually overlapped and clamped; the fireproof door is characterized in that the outer door frame is provided with two first supporting sleeves, the fireproof door is correspondingly provided with two second supporting sleeves, the axes of the first supporting sleeves and the second supporting sleeves are all positioned on the same straight line with the axis of the fireproof hinge, one end, far away from the first supporting sleeves, of the second supporting sleeves is sealed, an elastic telescopic column is arranged inside the second supporting sleeves, and the outer ends of the elastic telescopic columns are inserted into the first supporting sleeves.

Further, hinge grooves are formed in the fireproof door and the outer door frame corresponding to the fireproof hinges, and two movable pages of the fireproof hinges are fixed in the corresponding two hinge grooves.

Further, a rivet hole is formed in the side wall where the inner door frame and the outer door frame are overlapped, rivets are arranged in the rivet hole, and the inner door frame and the outer door frame are fixed with the wall body through the rivets.

Further, the bending part of the section of the inner door frame is provided with an inner extension edge, and the side edge of the outer door frame positioned at the inner side of the door opening is contacted and connected with the inner extension edge.

Further, a fireproof sealing strip is arranged on one side of the inner extension edge, which is in contact with the outer door frame.

Further, the elastic telescopic column comprises a spring and a telescopic column, and two ends of the spring are fixedly connected with two end walls of the supporting sleeve and the end wall of the telescopic column respectively.

Further, fireproof foaming materials are filled between the door frame and the wall body.

Compared with the prior art, the utility model has the advantages that: the inner door frame and the outer door frame are of split type structures, the inner door frame and the outer door frame are installed from the inner side and the outer side of the wall body, the outer door frame is provided with the first supporting sleeve, the fireproof door is provided with the second supporting sleeve, and the elastic telescopic column in the second supporting sleeve can support the fireproof door after being inserted into the first supporting sleeve, so that the fireproof hinge is convenient to install, and the phenomenon that the fireproof door is inclined to install due to manual holding is avoided.

Drawings

Fig. 1 is a schematic view of a fire door of the present utility model for easy installation.

Fig. 2 is a schematic cross-sectional structure of a door frame of a fire door of the present utility model for easy installation.

Fig. 3 is a schematic cross-sectional structure of a door frame of a fire door of the present utility model for easy installation.

Fig. 4 is a schematic structural view of an elastic telescopic column of a fire door convenient to install.

As shown in the figure: 1. a door frame; 2. fireproof doors; 3. a fire resistant hinge; 4. an inner door frame; 5. an outer door frame; 6. a first supporting sleeve; 7. a second supporting sleeve; 8. an elastic telescopic column; 9. a hinge slot; 10. rivet hole; 11. an inner extension edge; 12. fireproof sealing strips; 13. a spring; 14. and (5) a telescopic column.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the term "connected" should be interpreted broadly, and for example, it may be a fixed connection, a removable connection, or an integral connection; the specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The fireproof door convenient to install comprises a door frame 1, a fireproof door 2 and a fireproof hinge 3, wherein the door frame 1 is fixed on a wall body, the fireproof door 2 is rotatably opened and closed on the door frame 1 through the fireproof hinge 3, the door frame 1 comprises an inner door frame 4 and an outer door frame 5 which are positioned on the inner side and the outer side of the wall body, the sections of the inner door frame 4 and the outer door frame 5 are of L-shaped structures, and one side wall of the inner side of a door opening is mutually overlapped and clamped; the fireproof door is characterized in that two first support sleeves 6 are arranged on the outer door frame 5, two second support sleeves 7 are correspondingly arranged on the fireproof door 2, the axes of the first support sleeves 6 and the second support sleeves 7 are all positioned on the same straight line with the axis of the fireproof hinge 3, one end, far away from the first support sleeves 6, of each second support sleeve 7 is sealed, an elastic telescopic column 8 is arranged inside the second support sleeve, and the outer end of each elastic telescopic column 8 is inserted into the corresponding first support sleeve 6.

As shown in fig. 1, two support sleeves two 7 are located between two support sleeves one 6, and when in installation, the fireproof door is lifted up, the elastic telescopic column 8 is pressed into the support sleeves two 7, after the support sleeves two 7 are aligned with the support sleeves one 6, the elastic telescopic column 8 automatically flicks into the support sleeves one 6 to support the fireproof door, namely, the fireproof hinge 3 is fixed, the axes of the support sleeves one 6 and two 7 are all located on the same straight line with the axis of the fireproof hinge 3, and the influence of the support sleeves one 6 and two 7 on the opening of the fireproof door 2 is avoided, so that the fireproof door 2 can be normally opened and closed.

The fireproof door 2 and the outer door frame 5 are provided with hinge grooves 9 corresponding to the fireproof hinges 3, and two movable pages of the fireproof hinges 3 are fixed in the corresponding two hinge grooves 9.

The side wall of the inner door frame 4 and the outer door frame 5 are overlapped with each other, a rivet hole 10 is formed in the rivet hole 10, the inner door frame 4 and the outer door frame 5 are fixed with a wall body through the rivet, a sinking groove is formed in the rivet hole 10 on the outer door frame 5 as shown in the figure II, and the rivet head of the rivet is located in the sinking groove, so that the surface of the outer door frame is smooth.

As shown in fig. 2 and 3, the bending part of the section of the inner door frame 4 is provided with an inner extension 11, the side edge of the outer door frame 5 positioned at the inner side of the door opening is contacted and connected with the inner extension 11, the inner extension 11 and the inner door frame 4 are of an integrated structure, and one side of the inner extension 11 contacted with the outer door frame 5 is provided with a fireproof sealing strip 12. The inner extension 11 shields the edge of the outer door frame, so that the door is more attractive, and the sealing effect is better through the fireproof sealing strip 12.

As shown in fig. 4, the elastic telescopic column 8 includes a spring 13 and a telescopic column 14, two ends of the spring 13 are fixedly connected with the end wall of the second support sleeve 7 and the end wall of the telescopic column 14 respectively, and when the spring 13 is in a free state, the telescopic column 14 extends to the longest length outside the second support sleeve 7. The side wall of one end of the telescopic column 14, which is close to the spring 13, is provided with a limiting sliding block, the inner wall of the supporting sleeve II 7 is correspondingly provided with a limiting sliding groove, the telescopic column 14 is placed to rotate, and the telescopic column 14 and the supporting sleeve I6 relatively rotate when the fireproof door rotates.

Fireproof foaming materials are filled between the door frame 1 and the wall body, the door frame 1 is filled, the door frame is further fixed, and meanwhile a fireproof sealing effect is achieved.

When the fireproof door is in practical implementation, the inner door frame is firstly installed on the door opening, then the outer door frame is aligned with the inner side wall of the inner door frame, the outer door frame is clamped on the inner door frame, the inner side and the outer side of the door opening on the wall body are wrapped, rivet holes on the outer door frame and the inner door frame are aligned with each other after the outer door frame is installed, the fireproof door frame is fixed by rivets, fireproof foaming materials are filled, after the door frame is fixed, the fireproof hinge is fixed on the fireproof door, the fireproof door is lifted, the telescopic column is pressed to retract into the supporting sleeve II, then the supporting sleeve II on the fireproof door is aligned with the supporting sleeve I on the door frame, under the action of the spring, one end of the telescopic column, far away from the spring, is sprung into the supporting sleeve I, at the moment, the fireproof hinge on the fireproof door is aligned with a hinge groove on the door frame, and a sheet on the other side of the fireproof hinge is fixed on the door frame, and the installation is completed.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. Fireproof door convenient to installation, including door frame (1), prevent fire door (2) and fire prevention hinge (3), door frame (1) are fixed on the wall body, prevent fire door (2) and rotate through fire prevention hinge (3) and open and shut and set up on door frame (1), its characterized in that: the door frame (1) comprises an inner door frame (4) and an outer door frame (5) which are positioned at the inner side and the outer side of the wall body, the sections of the inner door frame (4) and the outer door frame (5) are of L-shaped structures, and one side wall of the inner side of a door opening is mutually overlapped and clamped; be equipped with two support sleeve one (6) on outer door frame (5), correspond on fire door (2) and be equipped with two support sleeve two (7), the axle center of support sleeve one (6), support sleeve two (7) all is located same straight line with the axle center of fire prevention hinge (3), the one end that support sleeve one (6) was kept away from to support sleeve two (7) is sealed, and inside is equipped with elasticity telescopic column (8), in elasticity telescopic column (8) outer end intubate support sleeve one (6).

2. A fire rated door for easy installation as recited in claim 1, wherein: the fireproof door is characterized in that hinge grooves (9) are formed in the fireproof door (2) and the outer door frame (5) corresponding to the fireproof hinges (3), and two movable pages of the fireproof hinges (3) are fixed in the corresponding two hinge grooves (9).

3. A fire rated door for easy installation as recited in claim 1, wherein: the inner door frame (4) and the outer door frame (5) are overlapped, the side wall is provided with a rivet hole (10), rivets are arranged in the rivet hole (10), and the inner door frame (4) and the outer door frame (5) are fixed with a wall body through the rivets.

4. A fire rated door for easy installation as recited in claim 1, wherein: the bending part of the section of the inner door frame (4) is provided with an inner extension edge (11), and the side edge of the outer door frame (5) positioned at the inner side of the door opening is contacted and connected with the inner extension edge (11).

5. The fire rated door convenient to install of claim 4 wherein: one side of the inner extension edge (11) contacted with the outer door frame (5) is provided with a fireproof sealing strip (12).

6. A fire rated door for easy installation as recited in claim 1, wherein: the elastic telescopic column (8) comprises a spring (13) and a telescopic column (14), and two ends of the spring (13) are fixedly connected with the end wall of the second supporting sleeve (7) and the end wall of the telescopic column (14) respectively.

7. A fire rated door for easy installation as recited in claim 1, wherein: fireproof foaming materials are filled between the door frame (1) and the wall body.