Steel-wood composite fireproof broken bridge structure entrance door
By adopting steel-wood composite structure and fireproof kits in traditional steel door frames, the problem of poor fire resistance and sound insulation effect of traditional door frames is solved, and more efficient fire resistance and sound insulation effect is achieved.
Patent Information
- Application Number
- CN202421913547.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-07
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-08-07
AI Technical Summary
Traditional steel door frames have high thermal conductivity, resulting in poor fire resistance and thermal insulation performance, and poor sound insulation effect.
The steel-wood composite door frame body is adopted, including steel frames and fireproof kits. The fireproof kit is added to improve airtightness by wrapping the steel frames and installing wooden insulation, fireproof boards and flame-retardant wood.
It effectively improves the fire resistance, thermal insulation performance and sound insulation effect of the door frame, and improves the overall fire resistance and sound insulation performance.
Smart Images
Figure CN222894198U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a door leaf, in particular to an entrance door with a steel-wood composite fireproof thermal insulation structure. Background Art
[0002] Door panels are essential furniture for every household decoration. They can prevent theft and short-term fire. There are many types of door panels. At present, most of the door frames that match the door panels on the market are made of steel structure. However, the traditional steel door frames have high thermal conductivity, which makes the fire resistance and thermal insulation performance of the door frames relatively poor, and the sound insulation effect is also relatively poor, so it needs to be improved. Summary of the invention
[0003] The utility model aims at the defects of the door frame in the prior art such as poor fireproof performance and sound insulation effect, and provides a new steel-wood composite fireproof broken bridge structure entrance door.
[0004] In order to solve the above technical problems, the utility model is implemented through the following technical solutions:
[0005] A steel-wood composite fireproof thermal break structure entrance door comprises a fireproof door leaf and a steel-wood composite door frame body, wherein the steel-wood composite door frame body comprises a steel frame and a fireproof kit, wherein the steel frame comprises an indoor steel frame and an outdoor steel frame, wherein the fireproof kit wraps the front ends of the indoor steel frame and the outdoor steel frame, wherein the fireproof door leaf is hinged to the front end of the outdoor steel frame, and the rear end of the outdoor steel frame is connected to a wall.
[0006] The main body of the steel-wood composite door frame of the utility model adopts a thermal break setting, and the steel frame is wrapped by a fireproof kit, so that the fireproof performance and thermal insulation performance of the door frame can be effectively improved, and the sound insulation effect can also be effectively improved.
[0007] Preferably, in the above-mentioned steel-wood composite fireproof thermal break structure entrance door, the fireproof kit includes a wooden insulation member, a fireproof board and flame-retardant wood, the wooden insulation member is arranged on the inner side of the indoor steel frame, the fireproof board and the flame-retardant wood are arranged in sequence on the outer side of the indoor steel frame and are fixed to the wooden insulation member by bolts.
[0008] The installation of wooden thermal insulation parts, fireproof panels and flame-retardant wood can effectively improve the fire resistance of the door frame on the one hand, and improve the sound insulation effect on the other.
[0009] Preferably, in the above-mentioned steel-wood composite fireproof thermal insulation structure entrance door, the front end of the outdoor steel frame is connected to the wooden insulation member.
[0010] The front end of the outdoor steel frame is connected to the wooden insulation member, thereby effectively improving the fire resistance of the outdoor steel frame.
[0011] Preferably, in the above-mentioned steel-wood composite fireproof thermal break structure entrance door, the fireproof kit also includes a first sealing strip and a second sealing strip, the first sealing strip is arranged at the contact position between the fireproof door leaf and the outdoor steel frame, and the second sealing strip is arranged between the outdoor steel frame and the wooden insulation component.
[0012] The air tightness between the door leaf and the steel frame can be improved by providing the first sealing strip and the second sealing strip.
[0013] Preferably, in the above-mentioned steel-wood composite fireproof thermal bridge structure entrance door, the fireproof kit also includes a third sealing strip and a fourth sealing strip, and the wooden thermal insulation component is provided with a first installation groove and a second installation groove, the third sealing strip is installed in the first installation groove, and the fourth sealing strip is installed in the second installation groove.
[0014] The provision of the third sealing strip and the fourth sealing strip can further improve the air tightness between the door leaf and the steel frame. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a structural schematic diagram of the utility model;
[0016] Figure 2 It is a cross-sectional structural schematic diagram of the connection between the fireproof door leaf and the steel-wood composite door frame body of the utility model;
[0017] Figure 3 For this utility model Figure 2 A partial enlarged view of part A in the middle. DETAILED DESCRIPTION
[0018] The following is combined with Figure 1-3 The present invention is further described in detail with the following specific embodiments, but they are not intended to limit the present invention:
[0019] Example 1
[0020] like Figure 1 , Figure 2 , Figure 3 As shown, a steel-wood composite fireproof thermal break structure entrance door includes a fireproof door leaf 1 and a steel-wood composite door frame body 2, wherein the steel-wood composite door frame body 2 includes a steel frame 21 and a fireproof kit 22, wherein the steel frame 21 includes an indoor steel frame 211 and an outdoor steel frame 212, wherein the fireproof kit 22 wraps the front ends of the indoor steel frame 211 and the outdoor steel frame 212, wherein the fireproof door leaf 1 is hinged to the front end of the outdoor steel frame 212, and the rear end of the outdoor steel frame 212 is connected to the wall.
[0021] Preferably, the fireproof kit 22 includes a wooden insulation member 221, a fireproof board 222 and a flame-retardant wood 223. The wooden insulation member 221 is arranged on the inner side of the indoor steel frame 211, and the fireproof board 222 and the flame-retardant wood 223 are arranged on the outer side of the indoor steel frame 211 in sequence and fixed to the wooden insulation member 221 by bolts.
[0022] Preferably, the front end of the outdoor steel frame 212 is connected to the wooden heat insulation member 221 .
[0023] Preferably, the fireproof kit 22 also includes a first sealing strip 224 and a second sealing strip 225 , wherein the first sealing strip 224 is arranged at the contact position between the fireproof door leaf 1 and the outdoor steel frame 212 , and the second sealing strip 225 is arranged between the outdoor steel frame 212 and the wooden insulation member 221 .
[0024] Specifically, the first sealing strip 224 is a PU expandable fireproof sealing strip, and the second sealing strip 225 is an EPDM sealing strip.
[0025] Preferably, the fire protection kit 22 also includes a third sealing strip 226 and a fourth sealing strip 227. A first installation groove 2211 and a second installation groove 2212 are provided on the wooden insulation member 221. The third sealing strip 226 is installed in the first installation groove 2211, and the fourth sealing strip 227 is installed in the second installation groove 2212.
[0026] Specifically, the third sealing strip 226 is a fireproof and smokeproof sealing strip, and the fourth sealing strip 227 is a PU expandable fireproof sealing strip.
[0027] More specifically, the utility model can effectively improve the sound insulation effect and airtightness between the fireproof door leaf 1 and the steel-wood composite door frame body 2 through the mutual cooperation between the first sealing strip 224 and the second sealing strip 225 and the third sealing strip 226 and the fourth sealing strip 227.
[0028] In conclusion, the above is only a preferred embodiment of the present invention, and all equivalent changes and modifications made within the scope of the patent application for the present invention should fall within the scope of the present invention.
Claims
1. A steel-wood composite fireproof thermal insulation structure entrance door, comprising a fireproof door leaf (1) and a steel-wood composite door frame body (2), characterized in that: The steel-wood composite door frame body (2) comprises a steel frame (21) and a fireproof kit (22); the steel frame (21) comprises an indoor steel frame (211) and an outdoor steel frame (212); the fireproof kit (22) wraps the front ends of the indoor steel frame (211) and the outdoor steel frame (212); the fireproof door leaf (1) is hinged to the front end of the outdoor steel frame (212); and the rear end of the outdoor steel frame (212) is connected to a wall.
2. The steel-wood composite fireproof broken bridge structure entrance door according to claim 1, characterized in that: The fireproof kit (22) comprises a wooden heat insulating member (221), a fireproof board (222) and a flame retardant wood (223); the wooden heat insulating member (221) is arranged on the inner side of the indoor steel frame (211); the fireproof board (222) and the flame retardant wood (223) are arranged on the outer side of the indoor steel frame (211) in sequence and are fixed to the wooden heat insulating member (221) by bolts.
3. The steel-wood composite fireproof broken bridge structure entrance door according to claim 2, characterized in that: The front end of the outdoor steel frame (212) is connected to the wooden heat insulation member (221).
4. The steel-wood composite fireproof broken bridge structure entrance door according to claim 2, characterized in that: The fireproof kit (22) further comprises a first sealing strip (224) and a second sealing strip (225), wherein the first sealing strip (224) is arranged at a contact position between the fireproof door leaf (1) and the outdoor steel frame (212), and the second sealing strip (225) is arranged between the outdoor steel frame (212) and the wooden heat insulation member (221).
5. The steel-wood composite fireproof broken bridge structure entrance door according to claim 4, characterized in that: The fireproof kit (22) further comprises a third sealing strip (226) and a fourth sealing strip (227); a first mounting groove (2211) and a second mounting groove (2212) are provided on the wooden heat insulating member (221); the third sealing strip (226) is installed in the first mounting groove (2211), and the fourth sealing strip (227) is installed in the second mounting groove (2212).