Sound insulation steel fireproof door
By designing a combination of limit frame, positioning components and springs in the fire door, the problem of cumbersome positioning operation during installation of the fire door is solved, and a simpler and faster installation process is achieved.
Patent Information
- Application Number
- CN202421154891.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-24
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-05-24
AI Technical Summary
In the prior art, when installing the fire door, the door frame needs to be positioned using tools such as brackets, resulting in cumbersome operation.
A soundproof steel fireproof door is designed, using a combination of limit frame, positioning assembly and spring to position the position of the door frame main body through the positioning assembly without an external bracket.
It simplifies the installation process of door frames, makes operation easier and faster, and reduces installation time and labor costs.
Smart Images

Figure CN222501547U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of fireproof doors, and in particular relates to a sound-insulating steel fireproof door. Background Art
[0002] Soundproof steel fire doors are a type of safety door that combines sound insulation and fire protection functions. They are mainly made of high-quality steel as the frame, filled with sound insulation materials, and may be covered with decorative panels on the surface to meet architectural aesthetic requirements. The design and manufacture of this type of door meets specific fire protection standards to ensure that when a fire occurs, it can effectively isolate the fire source, prevent the fire from spreading, and protect the safety of people and property.
[0003] In terms of sound insulation, soundproof steel fire doors utilize the sealing properties of their structure and the sound absorption properties of the filling materials to effectively reduce the spread of sound and achieve a sound insulation effect. This is especially important for environments with greater noise interference, such as buildings near major traffic routes or places that require a quiet working environment.
[0004] Steel fire doors also have a high ability to resist damage and can provide a certain degree of anti-theft protection; however, users should pay attention when purchasing soundproof steel fire doors. Different grades of fire doors have different fire resistance time and sound insulation effects, and the appropriate type should be selected according to actual needs; and when installing such doors, it should also be ensured that they are operated in accordance with the specifications to give full play to their sound insulation and fireproofing effects;
[0005] In the prior art, when installing a fire door, the door frame is first installed at the construction location. During installation, the door frame needs to be positioned using tools such as brackets. Then, the door body is installed after the door frame is fixed. The door frame itself does not have a positioning function, and it is cumbersome to use tools to position the door frame. Utility Model Content
[0006] The utility model aims to provide a soundproof steel fire door, aiming to solve the problem in the prior art that when installing the fire door, the door frame is first installed at the construction position, and the door frame needs to be positioned using tools such as brackets during installation, and then the door body is installed after the door frame is fixed, and the door frame itself does not have a positioning function, so it is cumbersome to use tools to position the door frame.
[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0008] A sound insulation steel fireproof door, comprising:
[0009] Door frame body;
[0010] There are two limit frames, which are respectively fixedly connected to the two side ends of the door frame body, and the two limit frames are provided with sliding grooves;
[0011] A positioning assembly, which is provided with two groups, each group of the positioning assembly comprises a positioning plate, a sleeve and a sliding rod, the sleeve and the sliding rod are provided with two, the two sliding rods are fixedly connected to the inner wall of one side of the sliding groove, the two sliding rods are respectively slidably connected in the two sleeves, and the positioning plate is fixedly connected to one end of the two sleeves; and
[0012] The spring is provided with a plurality of springs, and the plurality of springs are respectively fixedly connected to the inner walls of the two sliding grooves, and the plurality of springs are respectively fixed to the surfaces of the two positioning plates.
[0013] As a preferred solution of the utility model, multiple groups of fixing components are provided in the two limit frames, and each group of the fixing components includes a thread groove and a bolt. The thread groove is opened in the limit frame and the positioning plate, and the bolt is threadedly connected in the thread groove.
[0014] As a preferred solution of the utility model, two hinge shafts are connected to both sides of the door frame body, and surfaces of the plurality of hinge shafts are respectively connected to two fire door bodies.
[0015] As a preferred solution of the utility model, foam sound insulation panels are fixedly connected to the two fire door bodies.
[0016] As a preferred solution of the utility model, two door closers are fixedly connected to the surface of the door frame body, and the two door closers are respectively connected to the two fire door bodies.
[0017] As a preferred solution of the utility model, a stopper is fixedly connected to the surface of one of the fire door bodies, and a stopper groove is provided on the surface of the other fire door body, and the stopper groove matches the stopper.
[0018] Compared with the prior art, the beneficial effects of the utility model are:
[0019] 1. In this solution, by using this device, the positioning component locates the position of the door frame body, and there is no need to use tools such as external brackets to locate the door frame body, which makes the operation simpler and faster.
[0020] 2. In this solution, the door closer is used to connect the door frame body and the fire door body, so that the fire door body automatically closes after opening to a certain angle, or automatically stops after closing to a certain position, maintaining the open or closed state of the door. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0022] Figure 1It is a three-dimensional diagram of the utility model;
[0023] Figure 2 It is a cutaway stereogram of the utility model;
[0024] Figure 3 For this utility model Figure 2 A partial enlarged view of the middle A;
[0025] Figure 4 For this utility model Figure 2 A partial enlarged view of point B in the middle.
[0026] In the figure: 1. Door frame body; 2. Limit frame; 3. Fire door body; 4. Hinge shaft; 5. Door closer; 6. Foam sound insulation board; 7. Sliding groove; 8. Spring; 9. Positioning plate; 10. Sleeve; 11. Sliding rod; 12. Bolt. 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 described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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] Example 1
[0029] See also Figure 1-4 , the utility model provides the following technical solutions:
[0030] A sound insulation steel fireproof door, comprising:
[0031] Door frame main body 1;
[0032] There are two limit frames 2, which are fixedly connected to the two side ends of the door frame body 1, and the two limit frames 2 are provided with sliding grooves 7;
[0033] The positioning assembly is provided with two groups, each group of the positioning assembly includes a positioning plate 9, a sleeve 10 and a slide bar 11, two sleeves 10 and two slide bars 11 are provided, the two slide bars 11 are fixedly connected to the inner wall of one side of the sliding groove 7, the two slide bars 11 are respectively slidably connected to the two sleeves 10, and the positioning plate 9 is fixedly connected to one end of the two sleeves 10; and
[0034] The spring 8 is provided in plurality, and the plurality of springs 8 are respectively fixedly connected to the inner walls of the two sliding grooves 7 , and the plurality of springs 8 are respectively fixed to the surfaces of the two positioning plates 9 .
[0035] In a specific embodiment of the present utility model, the door frame body 1 and the two fire door bodies 3 are made of steel with good fireproof performance. The two limit frames 2 are respectively fixedly connected to the two side ends of the door frame body 1. Positioning components are provided in the two sliding grooves 7. The positioning components are provided to install the door frame body 1 and position the door frame body 1. There is no need to use tools such as external brackets to position the door frame body 1. The operation is simpler and faster. The sleeve 10 in each group of positioning components slides on the circumferential surface of the sliding rod 11. The positioning plate 9 is fixed at one end of the sleeve 10. Under the elastic force of the spring 8, the positioning plate 9 is driven to slide out of the limit frame 2. The positioning plate 9 is supported in the construction position to realize the positioning of the door frame body 1. When the positioning plate 9 is located in the sliding groove 7, the spring 8 is in a compressed state. The compressed positioning plate 9 is fixed by multiple groups of fixing components. After the fixing component is removed, the spring 8 releases the elastic force and the positioning plate 9 slides out of the sliding groove 7.
[0036] For details, please refer to Figure 1-Figure 4 , multiple groups of fixing components are arranged in the two limit frames 2, and each group of fixing components includes a thread groove and a bolt 12. The thread groove is opened in the limit frame 2 and the positioning plate 9, and the bolt 12 is threadedly connected in the thread groove.
[0037] In this embodiment: the threaded grooves in each set of fixing components are opened in the limit frame 2 and the positioning plate 9. At this time, the positioning plate 9 is located in the limit frame 2. After the bolts 12 are threadedly connected to the threaded grooves, the positioning plate 9 is fixed and cannot slide out of the limit frame 2.
[0038] For details, please refer to Figure 1-Figure 4 Two hinge shafts 4 are connected to both sides of the door frame main body 1, and the surfaces of the plurality of hinge shafts 4 are respectively connected to two fire door main bodies 3.
[0039] In this embodiment: the fire door body 3 is movably hinged to the door frame body 1 through two hinge shafts 4.
[0040] For details, please refer to Figure 1-Figure 4 A foam sound insulation board 6 is fixedly connected to the two fire door bodies 3.
[0041] In this embodiment: the foam sound insulation board 6 is installed in the fire door body 3 to play a role in sound insulation.
[0042] For details, please refer to Figure 1-Figure 4 Two door closers 5 are fixedly connected to the surface of the door frame body 1, and the two door closers 5 are respectively connected to the two fire door bodies 3.
[0043] In this embodiment: the door closer 5 is used to connect the door frame body 1 and the fire door body 3, so that the fire door body 3 automatically closes after opening to a certain angle, or automatically stops after closing to a certain position, so as to maintain the open or closed state of the door. The door closer 5 is a prior art, and the specific type of door closer 5 to be used can be selected according to actual needs, and no further details will be given here.
[0044] For details, please refer to Figure 1-Figure 4 A block is fixedly connected to the surface of one fire door body 3, and a block groove is opened on the surface of the other fire door body 3, and the block groove matches the block.
[0045] In this embodiment: after the two fire door bodies 3 are closed, the stopper slides into the stop groove to block the gap between the two fire door bodies 3.
[0046] The working principle and use process of the utility model: when the device is in use, the limit frame 2 is first installed to the target construction position. After the installation is completed, the bolts 12 in the multiple sets of fixing components are rotated out from the positioning plate 9. Under the elastic force of the spring 8, the positioning plate 9 slides out from the sliding groove 7. The positioning plate 9 is supported on the surface of the construction wall to position the limit frame 2. Then the fire door body 3 is installed. By using the device, the positioning component positions the position of the door frame body 1. There is no need to use external brackets or other tools to position the door frame body 1. The operation is simpler and faster.
[0047] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A soundproof steel fire door, characterized in that: include: Door frame body (1); There are two limit frames (2), the two limit frames (2) are respectively fixedly connected to the two side ends of the door frame body (1), and the two limit frames (2) are each provided with a sliding groove (7); A positioning assembly, which is provided with two groups, each group of the positioning assembly comprises a positioning plate (9), a sleeve (10) and a sliding rod (11), two sleeves (10) and two sliding rods (11) are provided, the two sliding rods (11) are fixedly connected to the inner wall of one side of the sliding groove (7), the two sliding rods (11) are respectively slidably connected to the two sleeves (10), and the positioning plate (9) is fixedly connected to one end of the two sleeves (10); and The spring (8) is provided in plurality, and the plurality of springs (8) are respectively fixedly connected to the inner walls of the two sliding grooves (7), and the plurality of springs (8) are respectively fixed to the surfaces of the two positioning plates (9).
2. A soundproof steel fire door according to claim 1, characterized in that: A plurality of fixing components are arranged in each of the two limiting frames (2), and each fixing component comprises a thread groove and a bolt (12). The thread groove is opened in the limiting frame (2) and the positioning plate (9), and the bolt (12) is threadedly connected in the thread groove.
3. A soundproof steel fire door according to claim 2, characterized in that: Two hinge shafts (4) are connected to both sides of the door frame body (1), and surfaces of the plurality of hinge shafts (4) are respectively connected to two fire door bodies (3).
4. A soundproof steel fire door according to claim 3, characterized in that: A foam sound insulation board (6) is fixedly connected inside the two fire door bodies (3).
5. The soundproof steel fireproof door according to claim 4, characterized in that: Two door closers (5) are fixedly connected to the surface of the door frame body (1), and the two door closers (5) are respectively connected to two fire door bodies (3).
6. The soundproof steel fireproof door according to claim 5, characterized in that: A stopper is fixedly connected to the surface of one of the fire door bodies (3), and a stopper groove is provided on the surface of the other fire door body (3), wherein the stopper groove matches the stopper.
Citation Information
Cited By
High-sound-insulation fireproof door structure
CN224478854U