A type of door frame that is easy to assemble

By using a snap-fit ​​module consisting of a lower insert, an upper insert, a semi-circular head, and a moving ring in the door frame, the installation process of the door frame is simplified, solving the problem of complex installation in existing technologies and improving splicing stability and efficiency.

CN224282342UActive Publication Date: 2026-05-26SHANGHAI DAOSHENG DOOR IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI DAOSHENG DOOR IND CO LTD
Filing Date
2025-03-28
Publication Date
2026-05-26

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Abstract

This utility model discloses a door frame that is easy to assemble, including a horizontal frame and vertical frames disposed on both sides of the horizontal frame. Several sets of lower inserts and upper inserts are symmetrically arranged on both sides of the horizontal frame. The sides of both sets of vertical frames are provided with lower slots corresponding to the sets of lower inserts, and upper slots corresponding to the sets of upper inserts. Auxiliary components for improving the stability of the horizontal and vertical frame assembly are provided on both sides of the horizontal frame. The auxiliary components include a snap-fit ​​module and a disassembly module. By inserting the lower inserts and upper inserts on both sides of the horizontal frame into the lower and upper slots on the sides of the two sets of vertical frames respectively, and then inserting the semi-circular heads and moving rings on both sides of the horizontal frame into the insertion holes on the sides of the two sets of vertical frames, the snap-fit ​​module snaps the semi-circular heads onto the inside of the vertical frames, thereby increasing the stability of the horizontal and vertical frame assembly, avoiding the need for complex welding, riveting, or a large number of screws and accessories for fixing and assembling, thus simplifying the installation process and improving installation efficiency.
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Description

Technical Field

[0001] This utility model relates to the field of door frame technology, specifically a door frame that is easy to assemble. Background Technology

[0002] A door frame is the edge structure of a door, usually made of wood, metal or other materials, used to fix the door leaf, protect the corners of the wall, and increase the safety and stability of the door;

[0003] Existing standard door frames are assembled using complex welding, riveting, or a large number of screws and fittings. This requires installers to have certain installation skills, the process is complex, the construction period is relatively long, and the installation difficulty is increased, resulting in low installation efficiency. Therefore, we need to propose a door frame that is easy to assemble. Utility Model Content

[0004] The purpose of this utility model is to provide a door frame that is easy to assemble. By inserting the lower and upper inserts on both sides of the horizontal frame into the lower and upper slots on the sides of the two sets of vertical frames respectively, and then inserting the semi-circular heads and moving rings on both sides of the horizontal frame into the insertion holes on the sides of the two sets of vertical frames, the semi-circular heads are then snapped into the inside of the vertical frames by a snap-fit ​​module, thereby increasing the stability of the horizontal and vertical frame assembly and solving the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a door frame that is easy to assemble, comprising a horizontal frame and vertical frames disposed on both sides of the horizontal frame, wherein several sets of lower inserts and upper inserts are symmetrically disposed on both sides of the horizontal frame, and both sets of vertical frames are provided with lower slots corresponding to the several sets of lower inserts on their sides, and both sets of vertical frames are provided with upper slots corresponding to the several sets of upper inserts on their sides.

[0006] Both sides of the horizontal frame are provided with auxiliary components to help improve the stability of the splicing of the horizontal and vertical frames;

[0007] The auxiliary components include a semi-circular head, a movable ring, a movable column, a snap-fit ​​module, and a disassembly module. The semi-circular head is fixedly connected to the movable column, the movable column is slidably disposed inside the horizontal frame, and the movable ring is slidably disposed on the outer arc surface of the movable column.

[0008] Preferably, the snap-fit ​​module includes a lifting column, a snap-fit ​​inclined block, and a compression spring. The lifting column is fixedly disposed on the upper surface of the snap-fit ​​inclined block, the compression spring is disposed on the upper surface of the snap-fit ​​inclined block, and the compression spring is sleeved on the outer arc surface of the lifting column. The lifting column, the snap-fit ​​inclined block, and the compression spring are all slidably disposed inside the vertical frame.

[0009] Preferably, the lower surface of the snap-fit ​​inclined block is set as an inclined surface with the side closer to the moving ring being the higher side. The moving ring is composed of two sets of frustums corresponding to the snap-fit ​​inclined block. The snap-fit ​​inclined block is located between the semi-circular head and the moving ring. A limit plate is fixedly provided on the outer arc surface of the moving column and on the side of the moving ring away from the semi-circular head.

[0010] Preferably, the disassembly module includes an operating rod and a limiting post. The limiting post is fixedly sleeved on the outer arc surface of the moving post, and the limiting post is located on the side of the limiting plate away from the moving ring. The operating rod is fixedly located at the end of the moving post away from the limiting post.

[0011] Preferably, the vertical frame has a limiting groove inside that corresponds to the limiting post, and the vertical frame has an operating groove inside that corresponds to the operating lever on the side of the limiting groove.

[0012] Preferably, extension blocks are fixedly provided on opposite sides of both sets of vertical frames, lifting grooves corresponding to the lifting columns are opened inside the two sets of vertical frames, spring slots corresponding to the compression springs are opened inside the vertical frames, and insertion holes corresponding to the semi-circular heads are opened inside the two sets of extension blocks.

[0013] Preferably, bolting plates are provided on opposite sides of the two sets of vertical frames and below several sets of lower and upper slots, and bolting holes are provided on the sides of several sets of lower inserts, upper inserts and bolting plates.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] This invention increases the stability of the horizontal and vertical frame splicing by inserting the lower and upper inserts on both sides of the horizontal frame into the lower and upper slots on the sides of the two sets of vertical frames, respectively. Then, the semi-circular heads and movable rings on both sides of the horizontal frame are inserted into the insertion holes on the sides of the two sets of vertical frames. Finally, the semi-circular heads are snapped into the inside of the vertical frames by a snap-fit ​​module. This avoids the need for complex welding, riveting, or a large number of screws and accessories for fixing and assembling, thereby simplifying the installation process and improving installation efficiency.

[0016] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of this invention can be realized and obtained by means of the structures pointed out in the description and the drawings. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is an exploded view of the overall structure of this utility model;

[0019] Figure 3This is a cross-sectional view of the overall structure of this utility model;

[0020] Figure 4 This utility model Figure 3 Enlarged view of the structure at point A in the middle;

[0021] Figure 5 This utility model Figure 3 Enlarged view of the structure at point B in the middle.

[0022] In the diagram: 1. Horizontal frame; 2. Vertical frame; 3. Lower insert; 4. Extension block; 5. Upper insert; 6. Lower slot; 7. Insertion hole; 8. Upper slot; 9. Bolted plate; 11. Semi-circular head; 12. Moving ring; 13. Limiting plate; 14. Spring slot; 15. Moving column; 16. Operating lever; 17. Operating groove; 18. Lifting column; 19. Lifting groove; 20. Limiting column; 21. Snap-fit ​​inclined block; 22. Compression spring; 23. Limiting groove. Detailed Implementation

[0023] 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. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] This utility model provides: a door frame that is easy to assemble, such as... Figure 1-5 As shown, the device includes a horizontal frame 1 and vertical frames 2 on both sides of the horizontal frame 1. Several sets of lower inserts 3 and upper inserts 5 are symmetrically arranged on both sides of the horizontal frame 1. Each set of vertical frames 2 has a lower slot 6 corresponding to the sets of lower inserts 3 on its side, and an upper slot 8 corresponding to the sets of upper inserts 5 on its side. A bolting plate 9 is provided on the opposite side of each set of vertical frames 2, below the sets of lower slots 6 and upper slots 8. Bolting holes are provided on the sides of the sets of lower inserts 3, upper inserts 5, and bolting plates 9, allowing the lower inserts 3 to be inserted into the lower slots 6. Inside, the upper insert 5 is inserted into the upper slot 8, thereby splicing the horizontal frame 1 and the two sets of vertical frames 2 together. Then, by using self-tapping screws threaded through the corresponding lower insert 3, upper insert 5 and bolt plate 9, it can be ensured that the horizontal frame 1 and vertical frame 2 will not have gaps due to movement. Each horizontal frame 1 needs to be equipped with at least two upper inserts 5 and no less than three lower inserts 3. The upper inserts 5 are located on the inner and outer sides of the horizontal frame 1, and the lower inserts 3 must be set in the middle and at both ends. At the same time, as the width of the door frame increases, the number of inserts should be increased accordingly.

[0025] Preferably, auxiliary components are provided on both sides of the horizontal frame 1 to help improve the splicing stability of the horizontal frame 1 and the vertical frame 2. The auxiliary components include a semi-circular head 11, a moving ring 12, a moving column 15, a snap-fit ​​module, and a disassembly module. The semi-circular head 11 is fixedly connected to the moving column 15. The moving column 15 is slidably disposed inside the horizontal frame 1. The moving ring 12 is slidably disposed on the outer arc surface of the moving column 15. The moving column 15 slides inside the horizontal frame 1 and is limited by the operating rod 16. The diameter of the semi-circular head 11 and the larger diameter of the moving ring 12 are the same, so as to ensure that when the moving ring 12 moves to the semi-circular head 11 on the outer arc surface of the moving column 15, after the semi-circular head 11 and the moving ring 12 come into contact, the snap-fit ​​wedge 21 can move along the moving ring 12 to the outside of the semi-circular head 11.

[0026] Furthermore, the snap-fit ​​module includes a lifting column 18, a snap-fit ​​inclined block 21, and a compression spring 22. The lifting column 18 is fixedly mounted on the upper surface of the snap-fit ​​inclined block 21, and the compression spring 22 is mounted on the upper surface of the snap-fit ​​inclined block 21, with the compression spring 22 sleeved on the outer arc surface of the lifting column 18. The lifting column 18, the snap-fit ​​inclined block 21, and the compression spring 22 are all slidably mounted inside the vertical frame 2. Extension blocks 4 are fixedly mounted on opposite sides of both sets of vertical frames 2. Lifting grooves 19 corresponding to the lifting column 18 are opened inside both sets of vertical frames 2, and spring slots 14 corresponding to the compression spring 22 are opened inside the vertical frames 2. Each extension block 4 has an insertion hole 7 corresponding to the semi-circular head 11. A spring slot 14 is provided to ensure that after the lifting column 18 rises inside the lifting groove 19, the spring slot 14 compresses the compression spring 22, thereby driving the locking inclined block 21 to move upward. When the locking inclined block 21 moves to the outside of the semi-circular head 11 through the moving ring 12, the locking inclined block 21 will extend into the insertion hole 7 under the action of the compression spring 22. At the same time, when the semi-circular head 11 is inserted, it will squeeze the locking inclined block 21 to move upward, thereby inserting the locking inclined block 21 between the semi-circular head 11 and the moving ring 12 to limit the semi-circular head 11.

[0027] Furthermore, the lower surface of the snap-fit ​​oblique block 21 is set to be an inclined surface with the side closer to the moving ring 12 being the higher side. The moving ring 12 is composed of two sets of frustums corresponding to the snap-fit ​​oblique block 21. The snap-fit ​​oblique block 21 is located between the semi-circular head 11 and the moving ring 12. The outer arc surface of the moving column 15 is fixedly provided with a limiting disk 13 on the side of the moving ring 12 away from the semi-circular head 11. The limiting disk 13 limits the moving ring 12. When the moving column 15 is driven to move deeper into the insertion hole 7, the inclined surface of the snap-fit ​​oblique block 21 contacts the side of the moving ring 12. The snap-fit ​​oblique block 21 moves upward under the pressure of the moving ring 12. At this time, the semi-circular head 11 contacts the moving ring 12. At the same time, the semi-circular head 11 moves to the depth of the insertion hole 7. Then, when the vertical frame 2 is moved, the snap-fit ​​oblique block 21 will move along the arc surface of the semi-circular head 11 to the side of the semi-circular head 11 away from the moving ring 12 under the action of the moving ring 12, thereby separating the horizontal frame 1 and the vertical frame 2.

[0028] Specifically, the disassembly module includes an operating lever 16 and a limiting post 20. The limiting post 20 is fixedly sleeved on the outer arc surface of the moving post 15, and the limiting post 20 is located on the side of the limiting plate 13 away from the moving ring 12. The operating lever 16 is fixedly located at the end of the moving post 15 away from the limiting post 20. A limiting groove 23 corresponding to the limiting post 20 is opened inside the vertical frame 2. An operating groove 17 corresponding to the operating lever 16 is opened inside the vertical frame 2 and on the side of the limiting groove 23. The limiting groove 23 corresponding to the limiting post 20 ensures that the limiting post 20 can move, while improving the horizontality of the moving post 15. By driving the operating lever 16 to move inside the operating groove 17, the moving post 15 is moved. The moving post 15 is limited by the operating lever 16 to prevent the moving post 15 from leaving the interior of the horizontal frame 1.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A door frame for facilitating splicing, characterized in that, include: A horizontal frame (1) and vertical frames (2) are provided on both sides of the horizontal frame (1). Several sets of lower inserts (3) and upper inserts (5) are symmetrically arranged on both sides of the horizontal frame (1). The two sets of vertical frames (2) are provided with lower slots (6) corresponding to the several sets of lower inserts (3) on their sides. The two sets of vertical frames (2) are provided with upper slots (8) corresponding to the several sets of upper inserts (5) on their sides. Both sides of the horizontal frame (1) are provided with auxiliary components to help improve the splicing stability of the horizontal frame (1) and the vertical frame (2); The auxiliary components include a semi-circular head (11), a movable ring (12), a movable column (15), a snap-fit ​​module, and a disassembly module. The semi-circular head (11) is fixedly connected to the movable column (15). The movable column (15) is slidably disposed inside the horizontal frame (1). The movable ring (12) is slidably disposed on the outer arc surface of the movable column (15).

2. The door frame of claim 1, wherein: The snap-fit ​​module includes a lifting column (18), a snap-fit ​​inclined block (21), and a compression spring (22). The lifting column (18) is fixedly disposed on the upper surface of the snap-fit ​​inclined block (21), and the compression spring (22) is disposed on the upper surface of the snap-fit ​​inclined block (21). The compression spring (22) is sleeved on the outer arc surface of the lifting column (18). The lifting column (18), the snap-fit ​​inclined block (21), and the compression spring (22) are all slidably disposed inside the vertical frame (2).

3. A door frame for ease of assembly according to claim 2, characterised in that: The lower surface of the snap-fit ​​inclined block (21) is set as an inclined surface with the side closer to the moving ring (12) being the higher side. The moving ring (12) is composed of two sets of frustums corresponding to the snap-fit ​​inclined block (21). The snap-fit ​​inclined block (21) is located between the semi-circular head (11) and the moving ring (12). The outer arc surface of the moving column (15) and the side of the moving ring (12) away from the semi-circular head (11) are fixedly provided with a limit plate (13).

4. A door frame that is easy to assemble according to claim 3, characterized in that: The disassembly module includes an operating rod (16) and a limiting post (20). The limiting post (20) is fixedly sleeved on the outer arc surface of the moving post (15), and the limiting post (20) is located on the side of the limiting plate (13) away from the moving ring (12). The operating rod (16) is fixedly located at the end of the moving post (15) away from the limiting post (20).

5. A door frame that is easy to assemble according to claim 4, characterized in that: The vertical frame (2) has a limiting groove (23) corresponding to the limiting post (20) inside, and an operating groove (17) corresponding to the operating lever (16) is provided inside the vertical frame (2) and on the side of the limiting groove (23).

6. A door frame that is easy to assemble according to claim 2, characterized in that: Both sets of vertical frames (2) are fixedly provided with extension blocks (4) on opposite sides. The two sets of vertical frames (2) are provided with lifting grooves (19) corresponding to the lifting column (18). The vertical frames (2) are provided with spring slots (14) corresponding to the compression spring (22). The two sets of extension blocks (4) are provided with insertion holes (7) corresponding to the semi-circular head (11).

7. A door frame that is easy to assemble according to claim 1, characterized in that: Both sets of vertical frames (2) are provided with bolt plates (9) on opposite sides and below several sets of lower slots (6) and upper slots (8), and bolt holes are provided on the sides of several sets of lower inserts (3), upper inserts (5) and bolt plates (9).