Plug-in type door frame

Abstract

The plug-in type door frame comprises a main door frame body and an auxiliary door frame body inserted into the main door frame body, the main door frame body comprises a main frame and a fixing plate, the main frame comprises a first clamping part and a pressing part, a limiting part used for limiting rotation of a door leaf is arranged between the first clamping part and the pressing part, and the auxiliary door frame body comprises a plug-in plate and a bent second clamping part. The fixing plate is arranged between the first clamping part and the pressing part, one end of the fixing plate is connected with the inner side of the clamping part, the other end of the fixing plate abuts against the pressing part, a groove for containing the inserting plate is formed in the fixing plate, the fixing plate is fixed to a wall through a fixing assembly, the inserting plate is inserted into the door frame along the groove, and the distance between the first clamping part and the second clamping part is adjusted. The auxiliary door frame can be movably inserted into the door frame, the position of the auxiliary door frame can be adjusted according to walls of different sizes, the auxiliary door frame is suitable for installation of the walls of various thicknesses, installation is convenient, the installation efficiency can be improved, and the installation cost can be reduced.

Description

Technical Field

[0001] The present application relates to the technical field of door frames, and in particular to a plug-in door frame. Background Art

[0002] Purification workshops, hospitals, pharmaceutical factories, food factories and other places that need to maintain a high degree of cleanliness often need to be enclosed by clean color steel plates and install clean doors and windows; the door leaves need to be fixed to the wall through door frames; the existing door frames include a main door frame and a secondary door frame, and the main door frame and the secondary door frame are fixedly installed and cannot be applied to walls of different thicknesses. Utility Model Content

[0003] The present application provides a plug-in door frame to solve the problem that the door frame in the above-mentioned prior art is inconvenient to install and cannot be applied to various wall thicknesses, and adopts the following technical solutions:

[0004] A plug-in door frame comprises a main door frame and a sub-door frame plugged into the main door frame, the main door frame comprises a main frame and a fixing plate, the main frame comprises a clamping portion 1 and a pressing portion, a limiting portion is provided between the clamping portion 1 and the pressing portion, the sub-door frame comprises a plug-in plate and a bent clamping portion 2, the fixing plate is provided between the clamping portion 1 and the pressing portion, one end of the fixing plate is connected to the inner side of the clamping portion, and the other end abuts against the pressing portion, a groove for placing the plug-in plate is provided on the fixing plate, the fixing plate is fixed to the wall through a fixing assembly, and the plug-in plate is plugged into the main door frame along the groove to adjust the distance between the clamping portion 1 and the clamping portion 2.

[0005] Preferably, the depth of the groove is A, the thickness of the plug board is B, and A≤B.

[0006] Preferably, the main frame and the auxiliary door frame are both integrally bent structures.

[0007] Preferably, the clamping portion 1 includes a clamping plate and a vertical plate 1, and the clamping plate is perpendicular to the vertical plate 1; the pressing portion includes a pressing plate and a vertical plate 2, and the clamping plate is perpendicular to the vertical plate 2.

[0008] Further preferably, the limiting portion is arranged opposite to the pressing plate, and the limiting portion is arranged parallel to the pressing plate and the clamping plate.

[0009] Preferably, the main door frame further includes a connecting plate, a cavity is formed between the pressing portion, the limiting portion and the fixing plate, and the connecting plate is arranged in the cavity to connect the main frame and the fixing plate.

[0010] Further preferably, a door leaf is provided on the main door frame, the door leaf is rotatably connected to the second vertical plate, and a foam strip is provided at the contact position of the door leaf with the limiting portion.

[0011] Preferably, the main frame is further provided with a mounting hole, the fixing assembly passes through the mounting hole to fix the main door frame on the wall via a fixing plate, and a decorative shell is provided on the mounting hole.

[0012] Further preferably, a door lintel is further provided at the top of the door leaf, and the door lintel is formed by extending the clamping plate and the clamping part 2 at the top of the door leaf.

[0013] The beneficial effects of this application are:

[0014] (1) The wall is clamped by the auxiliary door frame in cooperation with the door frame. The plug-in plate of the auxiliary door frame can be movably plugged into the groove of the door frame fixing plate. By controlling the plug-in length of the plug-in plate according to the wall thickness, it can be adapted to the installation of walls of various thicknesses. The installation is convenient, which can improve the installation efficiency and reduce the installation cost.

[0015] (2) On the basis of the above, the depth A of the groove is less than or equal to the thickness B of the plug-in board. After the plug-in board is plugged into the groove, the clamping part can clamp and fix the sub-door frame to prevent the sub-door frame from shaking in the groove and generating noise as the use time increases.

[0016] (3) The door lintel is formed by extending the splint and clamping part of the door frame at the top of the door leaf. The door lintel can protect the wall, increase the overall aesthetics of the door frame, and at the same time improve stability and load-bearing capacity. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view of the plug-in door frame of the present application;

[0018] Figure 2 This application Figure 1 Sectional view at AA;

[0019] Figure 3 is an assembly diagram of the present application;

[0020] Figure 4 It is a schematic diagram of the main door frame structure of this application;

[0021] Figure 5 It is a schematic diagram of the auxiliary door frame structure of the present application;

[0022] Figure 6 This is a front view of the door frame of Example 2 of the present application;

[0023] Figure 7 This application Figure 6 Cross-sectional view at BB in the middle.

[0024] In the figure:

[0025] 1. main door frame, 11. main frame, 101. pressing part, 1011. pressing plate, 1012. vertical plate 1, 102. clamping part 1, 1021. clamping plate, 1022. vertical plate 2, 103. limiting part, 12. fixing plate, 120. groove, 13. connecting plate;

[0026] 2. Auxiliary door frame, 21. Plug-in plate, 22. Clamping part 2, 3. Door leaf, 4. Hinge, 5. Shutter, 6. Wall, 7. Fixing assembly, 8. Decorative shell, 9. Foam rubber strip, 10. Cavity, 20. Door lintel. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the embodiments described in the present application are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present application.

[0028] Example 1

[0029] See also Figures 1 to 5 , further illustrating the present application, the plug-in door frame comprises a main door frame 1 and a sub-door frame 2 plugged into the main door frame 1, the main door frame 1 comprises a main frame 11 and a fixing plate 12, the main frame 11 comprises a clamping portion 102 and a pressing portion 101, a limiting portion 103 for limiting the rotation of the door leaf 3 is provided between the clamping portion 102 and the pressing portion 101, the sub-door frame 2 comprises a plug-in plate 21 and a bent clamping portion 22, the fixing plate 12 is provided between the clamping portion 102 and the pressing portion 101 Between the clamping parts 101, one end of the fixing plate 12 is connected to the inner side of the clamping part 102, and the other end is against the clamping part 101. The clamping part 102 and the clamping part 22 are used to clamp the two sides of the wall 6. The fixing plate 12 is provided with a groove 120 for placing the plug-in plate 21. The plug-in plate 21 is plugged into the main door frame 1 along the groove 120 to adjust the distance between the clamping part 102 and the clamping part 22, and can be suitable for the walls 6 of different thicknesses.

[0030] Combination Figure 4 and Figure 5The clamping part 102 includes a clamping plate 1021 for clamping one side of the wall 6, and a vertical plate 1012 perpendicular to the clamping plate 1021; the pressing part 101 includes a pressing plate 1011, and a vertical plate 1022 perpendicular to the pressing plate 1011, the pressing plate 1011 is used to press and fix the secondary door frame 2, in this embodiment, the depth of the groove 120 is A, the thickness of the plug-in board 21 is B, the depth A of the groove 120 is less than or equal to the thickness B of the plug-in board 21, when installing the plug-in board 21, the clamping part 101 plugs the plug-in board 21 into the groove 120, and the clamping part 101 presses the plug-in board 21, thereby preventing the secondary door frame 2 from shaking when inserted into the groove 120, and avoiding the problem of abnormal noise between the main door frame 1 and the secondary door frame 2 after the door leaf 3 is opened and closed for a long time.

[0031] In an embodiment not shown, the depth A of the groove 120 may also be greater than the thickness B of the plug board 21 .

[0032] Combination Figure 2 and Figure 4 The limiting portion 103 is arranged opposite to the pressure plate 1011, and the limiting portion 103 is arranged parallel to the pressure plate 1011 and the clamping plate 1021; a door leaf 3 is also provided on the main door frame 1, and the door leaf 3 is rotatably connected to the vertical plate 1022, and an integrated foam strip 9 is provided at the contact point between the door leaf 3 and the limiting portion 103 to improve air tightness, prevent it from falling off, and reduce noise when closing the door leaf 3; wherein, the door leaf 3 and the vertical plate 1022 can be rotatably connected through a hinge 4.

[0033] The main door frame 1 also includes a connecting plate 13, which is arranged between the clamping portion 101, the limiting portion 103 and the fixed plate 12 to form a cavity 10, and the connecting plate 13 is arranged in the cavity 10. The connecting plate 13 connects the main frame 11 and the fixed plate 12 together to improve the rigidity and strength of the main frame 11; exemplary: the fixed plate 12, the connecting plate 13, the main frame 11 and the auxiliary door frame 2 are all 1.5 mm galvanized steel plates; in this embodiment, the main frame 11 and the auxiliary door frame 2 are both one-piece bending structures, which can improve the overall strength and prevent deformation during use.

[0034] It should be noted that the main frame 11 , the fixing plate 12 and the connecting plate 13 may be welded to form an integrated structure.

[0035] Combination Figure 4The main frame 11 is also provided with a mounting hole, and the fixing component 7 passes through the mounting hole to fix the main door frame 1 on the wall 6 through the fixing plate 12. A decorative shell 8 is provided in the mounting hole to ensure the aesthetic appearance of the main door frame 1. After the installation is completed, foam glue can be filled between the main door frame 1 and the cavity 10, wherein the fixing component 7 can be an expansion bolt.

[0036] In some embodiments, the door leaf 3 is further provided with a shutter 5 for ventilation near the bottom.

[0037] During installation, the fixing plate 12 can be connected to the wall 6 through the fixing component 7 first, and then the sub-door frame 2 can be inserted into the main door frame 1. The position of the sub-door frame 2 can be adjusted according to the thickness of the wall 6, so that the clamping plate 1021 and the clamping part 22 can clamp the two sides of the wall 6, and the foam glue can be filled between the main door frame 1 and the wall 6 through the installation hole. The installation operation is convenient, which can improve the installation efficiency and reduce the installation cost.

[0038] The plug-in door frame can be adapted to a single door, a double door or a double door, etc.; the door frame is not limited to an arc shape.

[0039] Example 2

[0040] Based on the first embodiment, this embodiment is a double door, combined with Figure 6 and Figure 7 A door lintel 20 is also provided on the top of the door leaf 3. The door lintel 20 is formed by extending the clamping plate 1021 and the clamping portion 22 at the top of the door leaf 3. The door lintel 20 can protect the wall surface, improve the overall aesthetics of the door frame, and at the same time improve the stability and load-bearing capacity of the door frame.

Claims

1. Plug-in door frame, characterized by: It includes a main door frame and a sub-door frame plugged into the main door frame, the main door frame includes a main frame and a fixing plate, the main frame includes a clamping portion 1 and a pressing portion, a limiting portion is provided between the clamping portion 1 and the pressing portion, the sub-door frame includes a plug-in plate and a bent clamping portion 2, the fixing plate is provided between the clamping portion 1 and the pressing portion, one end of the fixing plate is connected to the inner side of the clamping portion, and the other end abuts against the pressing portion, a groove for placing the plug-in plate is provided on the fixing plate, the fixing plate is fixed to the wall through a fixing assembly, and the plug-in plate is plugged into the main door frame along the groove to adjust the distance between the clamping portion 1 and the clamping portion 2.

2. The plug-in door frame according to claim 1, characterized in that: The depth of the groove is A, the thickness of the plug board is B, and A≤B.

3. The plug-in door frame according to claim 1, characterized in that: The main frame and the auxiliary door frame are both integrated bending structures.

4. The plug-in door frame according to claim 1, characterized in that: The clamping part 1 includes a clamping plate and a vertical plate 1, and the clamping plate is perpendicular to the vertical plate 1; the pressing part includes a pressing plate and a vertical plate 2, and the clamping plate is perpendicular to the vertical plate 2.

5. The plug-in door frame according to claim 4, characterized in that: The limiting portion is arranged opposite to the pressing plate, and the limiting portion is arranged parallel to the pressing plate and the clamping plate.

6. The plug-in door frame according to claim 1, characterized in that: The main door frame further comprises a connecting plate, a cavity is formed between the pressing portion, the limiting portion and the fixing plate, and the connecting plate is arranged in the cavity to connect the main frame and the fixing plate.

7. The plug-in door frame according to claim 4, characterized in that: The main door frame is also provided with a door leaf, which is rotatably connected to the second vertical plate, and a foam strip is provided at the contact position of the door leaf with the limiting part.

8. The plug-in door frame according to claim 1, characterized in that: The main frame is also provided with a mounting hole, and the fixing assembly passes through the mounting hole to fix the main door frame on the wall through a fixing plate, and a decorative shell is provided on the mounting hole.

9. The plug-in door frame according to claim 7, characterized in that: A door lintel is also provided at the top of the door leaf, and the door lintel is formed by extending the clamping plate and the clamping part 2 at the top of the door leaf.

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