An assembled steel-wood composite door frame structure wood door

Abstract

The utility model discloses a kind of assembly type steel-wood composite door frame structure wooden doors, including main steel frame, the main steel frame is fixed with wall door opening to form an installation space, installation space is used to install door leaf, the door leaf is connected with a main steel frame by hinge, the door leaf edge is fixed with buckle cover, the side of the main steel frame away from wall door opening is concave to form an installation surface, detachably connected with vice wood frame on the installation surface of the main steel frame, the installation surface side of the vice wood frame and main steel frame is detachably connected with baffle. This assembly type steel-wood composite door frame structure wooden door is high in durability and convenient to replace.

Description

Technical Field

[0001] This utility model belongs to the field of wooden door installation technology, and in particular relates to a prefabricated steel-wood composite door frame structure wooden door. Background Technology

[0002] Traditional wooden doors are typically installed on-site, requiring the door leaf and frame to be assembled, leveled, and fixed individually. This process is complex and demands high precision. Furthermore, due to the inherent properties of wood, the door frame may experience stability issues in prolonged humid environments, which cannot be replaced, thus affecting its lifespan. With the development of modern construction techniques, the industry is gradually exploring more efficient installation methods and more durable material solutions to improve construction efficiency and optimize the user experience. Therefore, it is necessary to provide a prefabricated steel-wood composite door frame structure to solve the above problems. Summary of the Invention

[0003] The purpose of this utility model is to design a prefabricated steel-wood composite door frame structure that is highly durable and easy to replace in order to overcome the shortcomings of the above-mentioned technologies.

[0004] To address the aforementioned problems, this utility model presents a prefabricated steel-wood composite door frame structure, comprising a main steel frame. The main steel frame is fixed to the wall and door opening to form an installation space for installing the door leaf. The main steel frame enhances the strength of the door frame and improves the durability of the door. The door leaf is connected to the main steel frame via hinges. The side of the main steel frame away from the wall and door opening is recessed to form an installation surface. A secondary wooden frame is detachably connected to the installation surface of the main steel frame for easy replacement when the secondary wooden frame ages. A baffle is detachably connected to the side of the secondary wooden frame that connects to the installation surface of the main steel frame. The baffle protrudes relative to the main steel frame, decorating the connection between the secondary wooden frame and the main steel frame and facilitating the installation of a sealing strip.

[0005] As a further solution of this utility model, the side of the secondary wooden frame away from the main steel frame has a groove that is consistent with the height direction of the secondary wooden frame, and the side of the baffle is provided with a snap-fit ​​block that engages with the groove.

[0006] As a further solution of this utility model, the secondary wooden frame is screwed to the mounting surface of the main steel frame by screws.

[0007] As a further solution of this utility model, the inner surface of the main steel frame is detachably connected to a first face line, and the outer surface of the secondary wooden frame is detachably connected to a second face line. Both the first face line and the second face line are used to finish and shape the connection, thereby improving the aesthetics.

[0008] As a further solution of this utility model, the interior side of the main steel frame extends into the wall doorway to form a steel plate, the steel plate is bent to form a first snap-fit ​​strip, and a first snap-fit ​​groove is opened in the first face line to engage with the first snap-fit ​​strip, so that the first face line is snapped and fixed to the main steel frame.

[0009] As a further solution of this utility model, the thickness of the inner side of the secondary wooden frame is half the thickness of the outer side, which saves materials while meeting the installation and use requirements. The outer side of the secondary wooden frame has a second snap-fit ​​groove, and a second snap-fit ​​strip is fixed to the second face line. The second face line is snapped and fixed to the second snap-fit ​​groove of the secondary wooden frame through the second snap-fit ​​strip.

[0010] As a further solution of this utility model, both the first and second face lines are made of wood, and the baffle is made of wood to unify the appearance of the wooden door surface.

[0011] As a further solution of this utility model, a fixing plate is also fixed on the side of the vertical main steel frame near the wall door opening, and the fixing plate is fixed to the wall door opening by expansion bolts.

[0012] As a further solution of this utility model, a glue joint is left on the side of the transverse main steel frame near the wall door opening, for adhesive to bond the transverse main steel frame and the wall door opening.

[0013] As a further solution of this utility model, a buckle is fixed to the edge of the door leaf. The buckle is bent on both the inner and outer sides to form a folded edge. The folded edges on the front and back sides wrap around the edge of the door leaf to protect it. A barb is provided at the connection between the buckle and the door leaf. The barb is inserted into the edge of the door leaf to fix the buckle to the door leaf. A sealing strip is provided between the outer folded edge of the buckle and the baffle to play the role of anti-collision and heat insulation.

[0014] In summary, this utility model has at least one of the following beneficial technical effects:

[0015] First, this utility model describes a prefabricated steel-wood composite door frame structure, which uses a main steel frame as a load-bearing support, greatly enhancing the overall strength and service life of the door frame, resulting in high durability.

[0016] Secondly, this utility model describes a prefabricated steel-wood composite door frame structure, which describes that the front panel and the secondary wooden frame are detachable and replaceable. If the wooden parts are damaged by moisture or the style and color are changed later, only the wooden parts need to be replaced, which is convenient.

[0017] Thirdly, this utility model describes a prefabricated steel-wood composite door frame structure, which describes that the main steel frame and door leaf can be assembled and debugged in the factory before being sent to the installation site, thus moving part of the on-site installation work to the factory, greatly reducing the difficulty of on-site installation and transportation, and making installation convenient. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of a prefabricated steel-wood composite door frame structure according to this utility model;

[0019] Figure 2 This utility model relates to an assembled steel-wood composite door frame structure. Figure 1 A schematic diagram of the cross-section at point A;

[0020] Figure 3 This utility model relates to an assembled steel-wood composite door frame structure. Figure 1 A schematic diagram of the cross-section at point B;

[0021] Figure 4 This utility model relates to an assembled steel-wood composite door frame structure. Figure 2 A magnified view of a portion at point D;

[0022] Figure 5 This utility model relates to an assembled steel-wood composite door frame structure. Figure 3 A magnified view of a portion at point C;

[0023] Figure 6 This is a schematic diagram of the snap-on structure of a prefabricated steel-wood composite door frame structure according to this utility model.

[0024] Reference numerals in the attached drawings: 1. Main steel frame; 101. Steel plate; 102. First snap-fit ​​strip; 2. First faceplate; 201. First snap-fit ​​groove; 3. Door leaf; 4. Cover; 401. Folded edge; 402. Barb; 5. Baffle; 501. Snap-fit ​​block; 6. Secondary wooden frame; 601. Groove; 602. Second snap-fit ​​groove; 7. Second faceplate; 701. Second snap-fit ​​strip; 8. Fixing plate; 9. Expansion bolt; 10. Adhesive seam. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model are within the protection scope of the present utility model.

[0026] like Figures 1 to 6As shown in this embodiment, a prefabricated steel-wood composite door frame structure includes a main steel frame 1. The main steel frame 1 is fixed to the wall and door opening to form an installation space for installing a door leaf 3. The main steel frame 1 enhances the strength of the door frame and improves the durability of the door. The door leaf 3 is connected to the main steel frame 1 via hinges. A mounting surface is formed by a recess on the side of the main steel frame 1 away from the wall and door opening. A secondary wooden frame 6 is detachably connected to the mounting surface of the main steel frame 1 for easy replacement when it ages. A baffle 5 is detachably connected to the side of the secondary wooden frame 6 connected to the mounting surface of the main steel frame 1, decorating the connection between the secondary wooden frame 6 and the main steel frame 1. The baffle 5 protrudes relative to the main steel frame 1, decorating the connection between the secondary wooden frame 6 and the main steel frame 1 and facilitating the installation of a sealing strip.

[0027] The secondary wooden frame 6 has a slot 601 on the side away from the main steel frame 1, which is aligned with the height of the secondary wooden frame 6. The baffle 5 has a snap-fit ​​block 501 on one side that engages with the slot 601.

[0028] The secondary wooden frame 6 is screwed to the mounting surface of the main steel frame 1.

[0029] The main steel frame 1 is detachably connected to a first face line 2 on the interior surface, and the secondary wooden frame 6 is detachably connected to a second face line 7 on the exterior surface. Both the first face line 2 and the second face line 7 are used to finish and shape the connection points, thereby improving the aesthetics.

[0030] The interior side of the main steel frame 1 extends into the wall doorway to form a steel plate 101. The steel plate 101 is bent to form a first snap-fit ​​strip 102. The first face line 2 has a first snap-fit ​​groove 201 that engages with the first snap-fit ​​strip 102, so that the first face line 2 is snapped and fixed to the main steel frame 1.

[0031] The thickness of the inner side of the secondary wooden frame 6 is half that of the outer side, which saves material while meeting the installation and use requirements. The outer side of the secondary wooden frame 6 has a second snap-fit ​​groove 602. A second snap-fit ​​strip 701 is fixed on the second face line 7. The second face line 7 is snapped and fixed to the second snap-fit ​​groove 602 of the secondary wooden frame 6 through the second snap-fit ​​strip 701.

[0032] Both the first face line 2 and the second face line 7 are wooden face lines, and the baffle 5 is a wooden baffle 5, to unify the appearance of the wooden door surface.

[0033] A fixing plate 8 is also fixed to the side of the main steel frame 1 near the door opening in the wall. The fixing plate 8 is fixed to the door opening in the wall by expansion bolts 9.

[0034] A glue joint 10 is left on the side of the main steel frame 1 near the door opening in the wall, for adhesive to bond the main steel frame 1 and the door opening in the wall.

[0035] The door leaf 3 is fixed with a cover 4. The cover 4 is bent on both the inner and outer sides to form a folded edge 401. The folded edges 401 on the front and back sides wrap around the edge of the door leaf 3 to protect the door leaf 3. The cover 4 is provided with a barb 402 at the connection between it and the door leaf 3. The barb 402 is inserted into the edge of the door leaf 3 to fix the cover 4 to the door leaf 3. A sealing strip is provided between the outer folded edge 401 of the cover 4 and the baffle 5 to prevent impact and provide heat insulation.

[0036] The working principle of the prefabricated steel-wood composite door frame structure provided by this utility model is as follows:

[0037] When installing the door frame, the vertical main steel frame 1 is fixed to the wall and door opening with expansion bolts, and the horizontal main steel frame 1 is glued to the wall and door opening with adhesive. Then, the secondary wooden frame 6 is screwed to the mounting surface of the main steel frame 1 with screws. The baffle 5 is installed on the groove 601 of the secondary wooden frame 6. The groove 601 can be reinforced with adhesive to improve the connection strength. Finally, the first faceplate 2 and the second faceplate 7 are respectively snapped and fixed to the main steel frame 1 and the secondary wooden frame 6.

[0038] When wooden parts need to be replaced, first remove the baffle 5, the first face line 2 and the second face line 7, then unscrew the screws to remove the secondary wooden frame 6 and the main steel frame 1. After removing the secondary wooden frame 6, replace it with a new wooden part. The main steel frame 1 serves as a support and is fixed to the wall and door opening, so it does not need to be replaced.

[0039] This utility model is not limited to the above-described preferred embodiments. Anyone can derive other forms of products under the guidance of this utility model. However, regardless of any changes made in their shape or structure, any technical solution that is the same as or similar to this application falls within the protection scope of this utility model.

Claims

1. A prefabricated steel-wood composite door frame structure, comprising a door casing, characterized in that, The door frame includes a main steel frame (1), which is fixed to the door opening in the wall to form an installation space. The installation space is used to install the door leaf (3). The door leaf (3) is connected to the main steel frame (1) by a hinge. The side of the main steel frame (1) away from the door opening in the wall is recessed to form an installation surface. A secondary wooden frame (6) is detachably connected to the installation surface of the main steel frame (1). A baffle (5) is detachably connected to the side of the secondary wooden frame (6) connected to the installation surface of the main steel frame (1). The baffle (5) is protruding relative to the main steel frame (1).

2. The prefabricated steel-wood composite door frame structure according to claim 1, characterized in that: The secondary wooden frame (6) has a slot (601) on the side away from the main steel frame (1), and the baffle (5) has a snap-fit ​​block (501) on one side that engages with the slot (601).

3. A prefabricated steel-wood composite door frame structure according to claim 2, characterized in that, The secondary wooden frame (6) is screwed to the mounting surface of the main steel frame (1) by screws.

4. A prefabricated steel-wood composite door frame structure according to claim 2 or 3, characterized in that, The main steel frame (1) has a first face line (2) detachably connected to its interior surface, and the secondary wooden frame (6) has a second face line (7) detachably connected to its exterior surface.

5. A prefabricated steel-wood composite door frame structure according to claim 4, characterized in that, The interior side of the main steel frame (1) extends into the wall doorway to form a steel plate (101). The steel plate (101) is bent to form a first snap-fit ​​strip (102). The first face line (2) has a first snap-fit ​​groove (201) that engages with the first snap-fit ​​strip (102) to fix the first face line (2) to the main steel frame (1).

6. A prefabricated steel-wood composite door frame structure according to claim 5, characterized in that, The thickness of the inner side of the sub-wooden frame (6) is half the thickness of the outer side. The outer side of the sub-wooden frame (6) has a second snap-fit ​​groove (602). A second snap-fit ​​strip (701) is fixed on the second face line (7). The second face line (7) is snapped and fixed to the second snap-fit ​​groove (602) of the sub-wooden frame (6) through the second snap-fit ​​strip (701).

7. A prefabricated steel-wood composite door frame structure according to claim 6, characterized in that, The first face line (2) and the second face line (7) are both wooden face lines, and the baffle (5) is a wooden baffle (5).

8. A prefabricated steel-wood composite door frame structure according to claim 1 or 7, characterized in that, The vertical main steel frame (1) is also fixed with a fixing plate (8) on the side near the wall door opening. The fixing plate (8) is fixed to the wall door opening by expansion bolts (9).

9. A prefabricated steel-wood composite door frame structure according to claim 8, characterized in that, A sealant joint (10) is left on the side of the main steel frame (1) near the door opening in the wall.

10. A prefabricated steel-wood composite door frame structure according to claim 9, characterized in that, The door leaf (3) is fixed with a cover (4) on its edge. The cover (4) is bent on both the inner and outer sides to form a folded edge (401). The folded edges (401) on the front and back sides wrap around the edge of the door leaf (3). The cover (4) and the door leaf (3) are provided with a barb (402). The barb (402) is inserted into the edge of the door leaf (3) to fix the cover (4) and the door leaf (3). A sealing strip is provided between the outer folded edge (401) of the cover (4) and the baffle (5).

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