Steel fireproof door convenient to mount and dismount

Abstract

The utility model discloses a steel fireproof door convenient to mount and demount, which comprises at least two side edge support frames and a plurality of rotary support grooves arranged on one side of the side edge support frames, the two side edge support frames are positioned at symmetrical positions, and the rotary support grooves are arranged in the side edge support frames. A rotary supporting groove is formed in the side supporting frame, a rotary bolt is connected into the rotary supporting groove in a threaded screwing mode, a top supporting frame is arranged above the side supporting frame, the lower end of the top supporting frame is fixedly connected with at least two fastening connecting plates, the fastening connecting plates are connected with the rotary bolt in a threaded screwing mode, and at least two rotary supporting frames are arranged on one side of the side supporting frame. The lower end of the rotating supporting rod is in threaded screwing connection with a fastening nut, and the upper end of the rotating supporting rod is fixedly connected with a rotating limiting frame; according to the device, the rotating limiting frames on the two sides can be mounted and dismounted respectively, and the convenience of mounting and dismounting of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel fireproof doors, in particular to a steel fireproof door which is easy to install and disassemble. Background Art

[0002] Steel fire doors refer to doors with specified fire resistance performance, which are made of steel materials for door frames, door leaf frames and door leaf panels. If the door leaf is filled with fireproof and heat-insulating materials that are non-toxic and harmless to the human body, and are equipped with fireproof hardware accessories.

[0003] Steel fire doors can suppress the spread of fire and smoke under fire conditions and increase the chance of survival in a fire. However, existing devices are generally installed and connected as a whole during use. Although the stability of the connection is guaranteed, when the device needs to be disassembled, it cannot be disassembled quickly and conveniently, affecting the convenience of installation and disassembly of the device.

[0004] Therefore, we offer a steel fire door that is easy to install and dismantle. Utility Model Content

[0005] The purpose of the utility model is to provide a steel fire door that is easy to install and disassemble in order to solve the above-mentioned technical problems, so as to achieve the effect of improving the convenience of installation and disassembly of the device.

[0006] In view of this, the utility model provides a steel fire door that is easy to install and disassemble, including a side support frame and a plurality of rotating support grooves opened on one side of the side support frame, the side support frames have at least two, and the two side support frames are located in symmetrical positions, the internal threads of the rotating support grooves are screwed together with rotating bolts, a top support frame is arranged above the side support frame, and at least two fastening connecting plates are fixedly connected to the lower end of the top support frame, and the fastening connecting plates are screwed together with the rotating bolts, and at least two rotating support frames are arranged on one side of the side support frame, and the rotating support frames on both sides of the two side support frames are located on opposite sides, the rotating support frames are plugged with rotating support rods, the lower ends of the rotating support rods are screwed together with fastening nuts, and the upper ends of the rotating support rods are fixedly connected with rotating limit frames.

[0007] Preferably, a clamping groove is provided at the upper end of the side support frame, the clamping groove is communicated with the rotation support groove, and the fastening connection plate is plugged into the clamping groove.

[0008] Preferably, a rotation connection groove is provided on one side of the fastening connection plate, and the fastening connection plate is threadedly screwed with the rotation bolt through the rotation connection groove.

[0009] Preferably, an auxiliary bolt is threadedly connected to one side of the top support frame, and the connection method of the auxiliary bolt is consistent with that of the rotating bolt.

[0010] Preferably, at least two support doors are provided below the top support frame, and the two support doors are located between the two side support frames.

[0011] Preferably, support handles are provided on corresponding sides of the support door, there are a plurality of support handles, and directions of two support handles located on the same side are perpendicular to each other.

[0012] Preferably, an observation window is provided on one side of the supporting door, and the observation window is used for observation.

[0013] Compared with the prior art, the utility model provides a steel fire door that is easy to install and disassemble, and has the following beneficial effects:

[0014] 1. The utility model, after the top support frame is installed and fastened, the two side support frames below are fixed simultaneously under the support and limitation of the fastening connecting plates on both sides, and the side support frames and the fastening connecting plates are installed and fastened simultaneously under the connection of the rotating bolts by rotating and fastening a plurality of rotating bolts inside the rotating support grooves.

[0015] 2. The utility model achieves the effect of rotating the rotating limit frame in a stable position through the plug-in effect of the rotating support frame and the rotating support rod, and achieves the installation limit of the rotating support rod through the rotation effect of the fastening nut, so that the rotating limit frame can rotate at a fixed height.

[0016] 3. The utility model can separately install and disassemble the rotating limit frames on both sides of the device by setting the rotating support frames and the rotating limit frames on both sides of the device in opposite directions, thereby improving the convenience of installing and disassembling the device by setting the device to a multi-stage combined installation effect.

[0017] 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

[0018] Figure 1 This is a front view structural diagram of a steel fire door that is easy to install and disassemble, as proposed by the utility model;

[0019] Figure 2 This is a side structural schematic diagram of a steel fire door that is easy to install and disassemble, as proposed by the utility model;

[0020] Figure 3This is a schematic diagram of a side support frame structure of a steel fire door that is easy to install and disassemble, as proposed by the utility model;

[0021] Figure 4 The utility model is a schematic diagram of a top support frame structure of a steel fire door which is easy to install and disassemble.

[0022] In the figure: 1. side support frame; 2. rotating support groove; 3. rotating bolt; 4. fastening connecting plate; 5. rotating connecting groove; 6. top support frame; 7. auxiliary bolt; 9. rotating support frame; 10. rotating limit frame; 11. rotating support rod; 12. fastening nut; 13. supporting door; 14. supporting handle; 15. observation window; 16. snap-in groove. DETAILED DESCRIPTION

[0023] 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.

[0024] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0025] Embodiment 1: A steel fire door that is easy to install and disassemble, such as Figure 1-Figure 4As shown, it includes a side support frame 1 and a plurality of rotation support grooves 2 opened on one side of the side support frame 1, there are at least two side support frames 1, and the two side support frames 1 are located in symmetrical positions, the internal threads of the rotation support grooves 2 are screwed together with a rotation bolt 3, a top support frame 6 is arranged above the side support frame 1, and at least two fastening connecting plates 4 are fixedly connected to the lower end of the top support frame 6, and the fastening connecting plates 4 are screwed together with the rotation bolt 3, and at least two rotation support frames 9 are arranged on one side of the side support frame 1, and the rotation support frames 9 on both sides of the two side support frames 1 are located on opposite sides, and the rotation support frames 9 are plugged with a rotation support rod 11, and the lower end of the rotation support rod 11 is screwed together with a fastening nut 12, and the upper end of the rotation support rod 11 is fixedly connected with a rotation limit frame 10. When the device is in operation, after the top support frame 6 is installed and fastened, the fastening connections on both sides are Under the support and limit of the connecting plate 4, the two side support frames 1 below are fixed at the same time, and the side support frame 1 and the fastening connecting plate 4 are installed and fastened at the same time by rotating and tightening the multiple rotating bolts 3 inside the rotating support groove 2, and then the rotating limit frame 10 is rotated in a stable position under the plug-in action of the rotating support frame 9 and the rotating support rod 11, and the rotating support rod 11 is installed and limited under the rotation effect of the fastening nut 12, so that the rotating limit frame 10 is rotated at a fixed height, and by setting the rotating support frames 9 and the rotating limit frames 10 on both sides of the device in opposite directions, the rotating limit frames 10 on both sides can be installed and disassembled separately, so that by setting the device to a multi-stage combined installation effect, the convenience of installing and disassembling the device can be improved.

[0026] like Figure 1-Figure 4 As shown, a snap-in groove 16 is provided at the upper end of the side support frame 1, the snap-in groove 16 is connected with the rotating support groove 2, and the fastening connecting plate 4 is plugged into the snap-in groove 16. By limiting and supporting the fastening connecting plate 4 by the snap-in groove 16, and by the connecting effect between the rotating support groove 2 and the snap-in groove 16, the stability of the position of the snap-in groove 16 when connected to the fastening connecting plate 4 and fixed with the lower device is ensured.

[0027] like Figure 1-Figure 4 As shown, a rotating connection groove 5 is provided on one side of the fastening connection plate 4, and the fastening connection plate 4 is threadedly screwed with the rotating bolt 3 through the rotating connection groove 5. An auxiliary bolt 7 is threadedly screwed on one side of the top support frame 6. The connection method of the auxiliary bolt 7 is consistent with that of the rotating bolt 3. By rotating the rotating bolt 3, the fastening connection plate 4 can be limited and fixed under the support of the rotating connection groove 5, thereby ensuring the accuracy of the position tightening of the top support frame 6. At the same time, through the tightening connection of multiple auxiliary bolts 7, the stability of the top support frame 6 when tightened from above can be guaranteed.

[0028] Embodiment 2: A steel fire door that is easy to install and disassemble, such as Figure 1-Figure 4 As shown, at least two support doors 13 are arranged below the top support frame 6, and the two support doors 13 are located between the two side support frames 1. The two support doors 13 can ensure the normal and stable use of the device.

[0029] like Figure 1-Figure 4 As shown, support handles 14 are provided on both sides of the support door 13, and there are several support handles 14. The two support handles 14 on the same side are perpendicular to each other. An observation window 15 is provided on one side of the support door 13, and the observation window 15 is used for observation. By setting the support handles 14 in two directions, while ensuring the normal movement support of the support door 13, by moving the support handles 14 upward, the stability effect of the support door 13 when moving can be improved, and with the support of the observation window 15, the observation effect on both sides when the device is in use can be improved.

[0030] Working principle: After the top support frame 6 is installed and tightened, the two side support frames 1 below are fixed at the same time under the support and limitation of the fastening connecting plates 4 on both sides, and the side support frame 1 and the fastening connecting plates 4 are installed and tightened at the same time by rotating and tightening the multiple rotating bolts 3 inside the rotating support groove 2, and then the rotating limit frame 10 is rotated in a stable position by the plug-in action of the rotating support frame 9 and the rotating support rod 11, and the rotating support rod 11 is installed and limited by the rotation effect of the fastening nut 12, so that the rotating limit frame 10 is rotated at a fixed height, and by setting the rotating support frames 9 and the rotating limit frames 10 on both sides of the device in opposite directions, the rotating limit frames 10 on both sides can be installed and disassembled separately, so that by setting the device to a multi-stage combined installation effect, the convenience of installing and disassembling the device can be improved.

[0031] 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 steel fire door that is easy to install and disassemble, comprising a side support frame (1), and a plurality of rotation support grooves (2) provided on one side of the side support frame (1), characterized in that: There are at least two side support frames (1), and the two side support frames (1) are located at symmetrical positions. The internal thread of the rotating support groove (2) is screwed and connected with a rotating bolt (3). A top support frame (6) is arranged above the side support frame (1). The lower end of the top support frame (6) is fixedly connected with at least two fastening connection plates (4). The fastening connection plates (4) are screwed and connected with the rotating bolt (3). At least two rotating support frames (9) are arranged on one side of the side support frame (1). The rotating support frames (9) on both sides of the two side support frames (1) are located on opposite sides. The rotating support frames (9) are plugged with a rotating support rod (11). The lower end of the rotating support rod (11) is screwed and connected with a fastening nut (12). The upper end of the rotating support rod (11) is fixedly connected with a rotating limit frame (10).

2. A steel fire door that is easy to install and disassemble according to claim 1, characterized in that: The upper end of the side support frame (1) is provided with a snap-in groove (16), the snap-in groove (16) is communicated with the rotation support groove (2), and the fastening connection plate (4) is plugged into the snap-in groove (16).

3. The steel fire door that is easy to install and disassemble according to claim 1 is characterized in that: A rotation connection groove (5) is provided on one side of the fastening connection plate (4), and the fastening connection plate (4) is threadedly screwed to the rotation bolt (3) via the rotation connection groove (5).

4. The steel fire door that is easy to install and disassemble according to claim 1 is characterized in that: An auxiliary bolt (7) is screwed and connected to one side of the top support frame (6), and the auxiliary bolt (7) is connected in the same manner as the rotating bolt (3).

5. The steel fire door that is easy to install and disassemble according to claim 1 is characterized in that: At least two support doors (13) are arranged below the top support frame (6), and the two support doors (13) are located between the two side support frames (1).

6. The steel fire door that is easy to install and disassemble according to claim 5, characterized in that: The supporting door (13) is provided with supporting handles (14) on both corresponding sides. There are a plurality of supporting handles (14), and the directions of the two supporting handles (14) located on the same side are perpendicular to each other.

7. A steel fire door that is easy to install and disassemble according to claim 6, characterized in that: An observation window (15) is provided on one side of the support door (13), and the observation window (15) is used for observation.

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