Composite door with solid wood edge sealing structure
By setting up a solid wood edge sealing device and a multi-layer density plate combination on the steel frame of the composite door, the defects in the packaging treatment of the traditional composite door door frame are solved, the strength and visual effect of the door frame are improved, and the insulation and thermal insulation performance are significantly improved.
Patent Information
- Application Number
- CN202421645674.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-11
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-07-11
AI Technical Summary
Traditional solid wood composite doors have defects in door frame packaging, resulting in poor gradients in the shape of door leaf and door frame, poor visual effect, and poor thermal insulation and insulation effects of steel door frames, affecting the performance of the overall composite door.
A composite door with a solid wood edge seal structure is designed. By setting a solid wood edge seal device on the upper, left and right sides of the steel frame, a multi-layer density plate combination is used to ensure the strength, visual effect, thermal insulation and thermal insulation performance of the door frame.
The strength and visual effect of the door frame are improved. Through the combination of solid wood edge sealing device and multi-layer density board, the thermal insulation and thermal insulation performance of the door frame is significantly improved, achieving better overall performance.
Smart Images

Figure CN222810687U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of doors, in particular to a composite door with a solid wood edge sealing structure. Background Art
[0002] Solid wood composite doors often use ordinary wood as the base material, which plays the role of structural connection and frame, and improves the ability to resist deformation; the wood texture is highly decorative, and the veneer made of precious tree species is used as the surface decoration material of the door, which can truly reflect the characteristics of wood; the artificial board used is mainly medium-density fiberboard, which has uniform material and good milling performance and can be used as a modeling component. Therefore, solid wood composite doors make full use of the excellent characteristics of various materials, avoid the use of expensive precious wood, and effectively reduce production costs without reducing the use and decorative performance of the door. In addition to good visual effects, it also has the characteristics of sound insulation, heat insulation, high strength, and good durability, so it is accepted by people.
[0003] Traditional solid wood composite doors are mostly solid wood packaging work on the door leaf, lack of door frame packaging treatment, and traditional composite doors mostly still use steel door frames. This kind of composite door will cause a certain gradient difference in the appearance of the door leaf and the door frame, resulting in poor visual effects and lack of beauty. At the same time, the heat insulation and thermal insulation effects of the location of the steel door frame are poor, which in turn affects the overall composite door. Therefore, further improvement is needed. Utility Model Content
[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a composite door with a solid wood edge sealing structure which has a reasonable structure, high door body strength, good visual effect and heat insulation and thermal insulation performance.
[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:
[0006] A composite door with a solid wood edge banding structure comprises a composite door frame and a composite door leaf, a lock tongue is arranged on the left side of the composite door leaf, the composite door frame comprises a steel frame and solid wood edge banding devices are arranged on the upper side, left side and right side of the steel frame, the solid wood edge banding device comprises a first solid wood composite component arranged on the inner side of the steel frame, a second solid wood composite component arranged on the side of the steel frame opposite to the composite door leaf and a door face line arranged on the outer side of the steel frame, a lock box plate for the lock tongue to be inserted is arranged on the left side of the steel frame, and a lock box is fixed on the lock box plate.
[0007] Preferably, the first solid wood composite component comprises an upper density board, a middle fireproof board and a lower density board arranged in sequence from top to bottom, and the upper density board, the middle fireproof board and the lower density board are 5 to 8 mm thick.
[0008] Preferably, the second solid wood composite component is provided with a first density board, a second fireproof board, a third density board and a fourth density board from one side of the door leaf to one side of the steel frame. The first density board, the second fireproof board and the third density board are 5 to 8 mm thick, and the fourth density board is 15 to 18 mm thick.
[0009] Preferably, the lock box plate is arranged between the third density board and the fourth density board, and the lock box plate has a thickness of 15 to 18 mm.
[0010] Preferably, a snap-in groove is provided at the bottom of the fourth density board, and a snap-in strip which is matched with the snap-in groove is provided on the door face line.
[0011] Preferably, the composite door leaf comprises a door leaf frame, a door core board arranged in the door leaf frame, a density door board and a door leaf fireproof board, the door leaf fireproof board is provided with a wood veneer, and a stop strip is provided on one side of the door leaf frame.
[0012] Preferably, a sealing strip is provided between the lock box plate and the composite door leaf.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] 1. This practical composite door with a solid wood edge banding structure has a composite door frame that is designed with solid wood edge banding devices on the steel frame side, left side and right side. It not only improves the strength of the door frame, but also can be sprayed and adjusted with the color difference between the door leaf through the solid wood edge banding device, which has excellent visual effects. It also ensures that the door frame has excellent thermal insulation and heat preservation performance through a combination of multiple layers of density boards.
[0015] 2. The practical composite door with a solid wood edge-sealed structure ensures the visual effect, heat insulation and thermal insulation performance of the inner side of the composite door frame through the first solid wood composite component on the inner side of the steel frame, ensures the visual effect, heat insulation and thermal insulation performance of the joint between the door frame and the door leaf through the second solid wood composite component, and ensures the lines on the outer side of the composite door frame through the door face line, which not only plays a beautifying role but also prevents the outer side of the door frame from being bumped and scratched. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the main view direction of a composite door with a solid wood edge-sealed structure according to the utility model;
[0017] Figure 2 For this utility model Figure 1 Section view in the AA direction;
[0018] Figure 3 For this utility model Figure 1 Cross-sectional view in the middle BB direction;
[0019] Figure 4 This is an exploded view of the composite door leaf of the utility model;
[0020] Figure 5 For this utility model Figure 2 A partial enlarged view of middle C;
[0021] Figure 6 For this utility model Figure 2 A partial enlarged view of D in the middle. DETAILED DESCRIPTION
[0022] 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 of 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.
[0023] See also Figures 1 to 6 A composite door with a solid wood edge banding structure comprises a composite door frame 1 and a composite door leaf 2, a lock tongue 3 is arranged on the left side of the composite door leaf 2, the composite door frame 1 comprises a steel frame 11 and solid wood edge banding devices 4 are arranged on the upper side, left side and right side of the steel frame 11, the solid wood edge banding device 4 comprises a first solid wood composite component 41 arranged on the inner side of the steel frame 11, a second solid wood composite component 42 arranged on the side of the steel frame 11 opposite to the composite door leaf 2, and a door face line 43 arranged on the outer side of the steel frame 11, the steel frame 11 A lock box plate 5 for the lock tongue 3 to be inserted into is provided on the left side, and a lock box 6 is fixed on the lock box plate 5. The practical composite door realizes the solid wood edge sealing operation of the door frame through the structural design of the composite door frame 1, and ensures the visual effect, heat insulation and thermal insulation performance of the inner side of the composite door frame 1 through the first solid wood composite component 41 on the inner side of the steel frame 11. The visual effect, heat insulation and thermal insulation performance of the joint between the door frame and the door leaf are ensured through the second solid wood composite component 42. The lines on the outer side of the composite door frame are ensured through the door face line 43, which not only plays a beautifying role but also prevents the outer side of the door frame from being bumped and scratched.
[0024] The first solid wood composite component 41 includes an upper density board 411, a middle fireproof board 412 and a lower density board 413 which are arranged in sequence from top to bottom. The upper density board 411, the middle fireproof board 412 and the lower density board 413 are 5 to 8 mm thick. The first solid wood composite component 41 ensures the customer's demand for appearance through the upper density board 411 to facilitate adjustment of the color difference between the door leaf and the overall visual effect of the composite door, ensures the fireproof performance through the middle fireproof board 412, and ensures the stability of the steel frame 11 profile through the lower density board 413. The density boards are all medium-density fiberboards. The first solid wood composite component 41 ensures the visual effect, heat insulation and thermal insulation performance of the inner side of the composite door frame 1.
[0025] The second solid wood composite component 42 is provided with a first density board 421, a second fireproof board 422, a third density board 423 and a fourth density board 424 from one side of the door leaf to the side of the steel frame 11. The first density board 421, the second fireproof board 422 and the third density board 423 are 5 to 8 mm thick, and the fourth density board 424 is 15 to 18 mm thick. The second solid wood composite component 42 ensures the customer's demand for appearance through the first density board 421 to facilitate adjustment of the color difference between the door leaf and the overall visual effect of the composite door, ensures fire resistance through the second fireproof board 422, ensures the stability of the steel frame 11 profile through the third density board 423, and further ensures the strength of the composite door frame through the fourth density board 424.
[0026] The lock box plate 5 is arranged between the third density plate 423 and the fourth density plate 424. The lock box plate 5 is 15-18 mm thick. The lock box plate 5 is convenient for assembling the lock box and is used to adapt the lock tongue to ensure the locking of the door leaf and the door frame.
[0027] A snap-in groove 425 is provided at the bottom of the fourth density board 424 , and a snap-in strip 431 that is snap-fitted with the snap-in groove 425 is provided on the door face line 43 , and the cooperation of the snap-in strip 431 ensures that the door face line 43 is fixed.
[0028] The composite door leaf 2 includes a door leaf frame 21, a door core board 22 arranged in the door leaf frame 21, a density fan board 23 and a door leaf fireproof board 24. A wood veneer 25 is arranged on the door leaf fireproof board 24. A stop strip 26 is arranged on one side of the door leaf frame 21. The composite door leaf ensures the fire prevention, sound insulation, and heat insulation effects of the door leaf through the door core board 22 and the density fan board 23. The wood veneer 25 of precious wood with relatively high cost is used to effectively reduce the production cost of the door leaf without reducing the use and decorative performance of the door. The stop strip 26 overlaps the door frame and the door leaf.
[0029] A sealing strip 7 is provided between the lock box plate 5 and the composite door leaf 2, and the sealing strip 7 ensures the sealing effect of the overlap between the door leaf and the door frame.
[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A composite door with a solid wood edge-sealed structure, comprising a composite door frame and a composite door leaf, wherein a locking tongue is arranged on the left side of the composite door leaf, and characterized in that: The composite door frame includes a steel frame and solid wood edge banding devices arranged on the upper side, left side and right side of the steel frame. The solid wood edge banding device includes a first solid wood composite component arranged on the inner side of the steel frame, a second solid wood composite component arranged on the side of the steel frame opposite to the composite door leaf, and a door face line arranged on the outer side of the steel frame. A lock box plate for inserting a lock tongue is arranged on the left side of the steel frame, and a lock box is fixed on the lock box plate.
2. The composite door with a solid wood edge-sealed structure according to claim 1, characterized in that: The first solid wood composite component includes an upper density board, a middle fireproof board and a lower density board arranged in sequence from top to bottom. The upper density board, the middle fireproof board and the lower density board are 5 to 8 mm thick.
3. The composite door with a solid wood edge-sealed structure according to claim 1, characterized in that: The second solid wood composite component is provided with a first density board, a second fireproof board, a third density board and a fourth density board from one side of the door leaf to one side of the steel frame. The first density board, the second fireproof board and the third density board are 5 to 8 mm thick, and the fourth density board is 15 to 18 mm thick.
4. The composite door with a solid wood edge-sealed structure according to claim 3, characterized in that: The lock box plate is arranged between the third density plate and the fourth density plate, and the lock box plate has a thickness of 15 to 18 mm.
5. The composite door with a solid wood edge-sealed structure according to claim 3, characterized in that: A snap-in groove is arranged at the bottom of the fourth density board, and a snap-in strip which is matched with the snap-in groove is arranged on the door face line.
6. A composite door with a solid wood edge-sealed structure according to any one of claims 1 to 5, characterized in that: The composite door leaf comprises a door leaf frame, a door core board arranged in the door leaf frame, a density door board and a door leaf fireproof board, the door leaf fireproof board is provided with a wood veneer, and a stop strip is provided on one side of the door leaf frame.
7. A composite door with a solid wood edge-sealed structure according to any one of claims 1 to 5, characterized in that: A sealing strip is arranged between the lock box plate and the composite door leaf.