Disassembly and assembly of all-inclusive wall door frame

Abstract

The present invention discloses a detachable and fully wall-enclosed door frame, comprising an outer door frame, an inner door frame arranged inside the outer door frame, the inner door frame comprising four self-retractable door frame devices, a clamping component arranged between two adjacent self-retractable door frame devices; the self-retractable door frame device comprises an outer cover plate installed on the side wall of the outer door frame through a first mounting component, two telescopic plates symmetrically arranged at both ends of the outer cover plate and slidably connected to the inner wall of the outer cover plate, a driving component arranged on the inner wall of the outer cover plate and used to drive the two telescopic plates to move closer to or away from each other, a plurality of elastic extension components arranged on the side of the telescopic plate away from the outer door frame, and a self-detachable plate component arranged at one end of the elastic extension component away from the outer door frame, and a clamping component arranged at the end of the telescopic plate; wall-enclosed door frame devices are symmetrically arranged on both sides of the outer cover plate, and the wall-enclosed door frame device comprises an outer frame plate installed on the outer wall of the outer cover plate through a second mounting component. The present invention is a door frame that is convenient for disassembling and replacing a part of the door frame and is convenient for stable fixation.

Description

Technical Field

[0001] The invention mainly relates to the technical field of door frames, in particular to a disassembly and assembly full-wall door frame. Background Art

[0002] The main function of the door frame is to fix the door leaf and protect the wall corners and decorations. The stability of the door frame and the quick replacement of the door frame after damage are the key factors that users consider when choosing a door frame.

[0003] According to a detachable door frame provided in the patent document with application number CN201720373734.3, the product includes a fixed door frame and a movable door frame; the fixed door frame, the upper door frame and the lower door frame are both provided with grooves, and springs are evenly arranged at the top of the groove of the upper door frame; the fixed door frame has two side edges relatively inner sides thereof and fixed lock holes are respectively arranged; the movable door frame is installed in coordination with the fixed door frame; the product has a simple structure and is easy to use, which solves the problem that the existing door frame cannot be disassembled, resulting in the need to dismantle the original door frame and re-install a new door frame according to the new door when renovating the house or changing the door, which causes trouble in disassembly, makes disassembly time-consuming and labor-intensive, increases the cost of replacing the door frame, is inconvenient to use, and is not conducive to saving materials.

[0004] The product in the above patent is convenient for door frame disassembly, but the door frame needs to be disassembled and replaced as a whole, which is not convenient for disassembling and replacing part of the door frame, and the stability of the door frame is poor. Summary of the invention

[0005] The present invention mainly provides a disassembly and assembly full-wall door frame to solve the technical problems raised in the above-mentioned background technology.

[0006] The technical solution adopted by the present invention to solve the above technical problems is:

[0007] The disassembly and assembly of the fully enclosed wall-type door frame comprises an outer door frame, wherein an inner door frame is arranged inside the outer door frame, wherein the inner door frame comprises four self-retractable door frame devices, and a clamping component is arranged between two adjacent self-retractable door frame devices;

[0008] The self-retractable door frame device includes an outer cover plate installed on the side wall of the outer door frame through a first installation component, two telescopic plates symmetrically arranged at both ends of the outer cover plate and slidably connected to the inner wall of the outer cover plate, a driving component arranged on the inner wall of the outer cover plate and used to drive the two telescopic plates to move closer to or away from each other, a plurality of elastic extension components arranged on the side of the telescopic plate away from the outer door frame, and a self-detachable plate component arranged at one end of the elastic extension component away from the outer door frame, and the clamping component is arranged at the end of the telescopic plate;

[0009] The outer cover plate is symmetrically provided with wall-enclosing door frame devices on both sides, and the wall-enclosing door frame devices include an outer frame plate installed on the outer wall of the outer cover plate through a second installation component.

[0010] Preferably, the clamping member comprises a convex block provided at one end of the telescopic plate, a concave block provided at the end of the adjacent telescopic plate, and a long screw provided at the side wall of the concave block and used for fixing the convex block and the concave block. In this preferred embodiment, the clamping member facilitates the connection between multiple self-telescopic door frame devices to form an inner door frame.

[0011] Preferably, the first mounting component includes a plurality of square card slots symmetrically arranged on both side walls of the outer cover plate, and a square card block arranged on the side wall of the outer door frame and engaging the square card slots, and the plurality of square card slots are distributed in a linear array. In this preferred embodiment, the first mounting component facilitates the disassembly and installation between the self-retractable door frame device and the outer door frame.

[0012] Preferably, the driving component comprises a bidirectional screw fixed to the inner wall of the outer cover plate through a bearing seat, the two ends of the bidirectional screw are connected to the two telescopic plates by screw nuts, the side wall of the outer cover plate is provided with a through hole, and the side wall of the through hole is provided with a flip cover. In this preferred embodiment, the driving component facilitates the two telescopic plates to move closer to or farther from each other, so as to facilitate the replacement of part of the inner door frame, and at the same time facilitates the stable fixation between the four self-telescopic door frame devices.

[0013] Preferably, the outer cover plate is symmetrically provided with a limiting component for locking the bidirectional screw rod, and the limiting component includes an annular plate provided on the inner wall of the outer cover plate and sleeved on the outside of the bidirectional screw rod, a fixed clip provided on the inner wall of the annular plate, a movable clip located in the annular plate, and a threaded driving rod having one end that sequentially passes through the outer cover plate and the annular plate and is rotatably connected to the movable clip. In this preferred embodiment, the bidirectional screw rod is conveniently locked by the limiting component.

[0014] Preferably, the elastic extension component comprises a support rod with one end slidably connected to the inner wall of the telescopic plate and the other end connected to the extension disc, and a support spring sleeved on the outer wall of the support rod and located between the telescopic plate and the extension disc. In this preferred embodiment, the elastic extension component facilitates the extension of the side wall of the telescopic plate to make the inner door frame surface smooth.

[0015] Preferably, the self-detachable panel component comprises a filling panel and a threaded rod having one end passing through the filling panel and being threadedly connected to the support rod. In this preferred embodiment, the self-detachable panel component facilitates the disassembly and replacement of the filling panel and the installation of the door hinge.

[0016] Preferably, both ends of the outer cover plate are provided with a pressure wheel component, and the pressure wheel component includes a positioning plate embedded in the inclined slide rail groove of the outer cover plate side wall, one end of which is clamped in the inclined slide rail groove, and a plurality of pressure rollers provided on the side wall of the positioning plate. In this preferred embodiment, the pressure wheel component is used to apply pressure to the elastic extension component when the telescopic plate retracts.

[0017] Preferably, the second mounting component includes a plurality of positioning circular grooves provided on the side wall of the outer cover plate, a positioning truncated platform provided on the side wall of the outer frame plate and engaging the positioning circular grooves, and a positioning screw having one end passing through the positioning truncated platform and connected to the outer cover plate. In this preferred embodiment, the second mounting component facilitates the positioning and mounting of the outer frame plate.

[0018] Preferably, the side wall of the outer frame plate is provided with a reinforcing support plate for supporting a plurality of filling panels. In this preferred embodiment, the reinforcing support plate facilitates reinforcing support of the plurality of filling panels.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] The door frame of the present invention is convenient for disassembly and replacement of part of the door frame, and is convenient for stable fixing of the door frame;

[0021] The clamping component facilitates the connection between multiple self-retractable door frame devices to form an inner door frame, the first installation component facilitates the disassembly and installation between the self-retractable door frame device and the outer door frame, the driving component facilitates the two telescopic plates to approach or move away from each other, so as to facilitate the replacement of part of the inner door frame and the stable fixation of the four self-retractable door frame devices, the limiting component facilitates the locking of the two-way screw rod, the elastic extension component facilitates the extension of the side wall of the telescopic plate to facilitate the flatness of the inner door frame surface, the self-disassembly and assembly plate component facilitates the disassembly and replacement of the filling panel and the installation of the door hinge, the pressure wheel component facilitates the pressure on the elastic extension component when the telescopic plate retracts, the second installation component facilitates the positioning and installation of the outer frame panel, and the reinforcement support plate facilitates the reinforcement and support of multiple filling panels.

[0022] The present invention will be explained in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is an axonometric diagram of the overall structure of the present invention;

[0024] Figure 2 It is an exploded view of the overall structure of the present invention;

[0025] Figure 3 This is an axonometric diagram of the self-retractable door frame device structure of the present invention;

[0026] Figure 4 An exploded view of the self-retractable door frame device structure of the present invention;

[0027] Figure 5 It is a cross-sectional view of the overall structure of the present invention;

[0028] Figure 6 It is a cross-sectional view of the structure of the elastic extension component of the present invention;

[0029] Figure 7 This is an enlarged view of the structure at A of the present invention;

[0030] Figure 8 It is an enlarged view of the structure at B of the present invention.

[0031] Description of the drawings: 10, outer door frame; 11, first mounting component; 111, square card slot; 112, square card block; 20, inner door frame; 21, card connection component; 211, convex block; 212, concave block; 213, long screw; 30, self-retractable door frame device; 31, outer cover plate; 32, telescopic plate; 33. Driving component; 331. Bidirectional screw rod; 332. Through hole; 333. Flip cover; 34. Elastic extension component; 341. Extension disc; 342. Support rod; 343. Support spring; 35. Self-disassembly plate component; 351. Filling plate; 352. Threaded rod; 36. Limiting component; 361. Annular plate; 362. Fixed clip; 363. Moving clip; 364. Threaded drive rod; 37. Pressure wheel component; 371. Inclined slide rail groove; 372. Positioning plate; 373. Pressure roller; 40. Wall-wrapped door frame device; 41. Second installation component; 411. Positioning circular groove; 412. Positioning round table; 413. Positioning screw; 42. Outer frame plate; 421. Reinforcement support plate. DETAILED DESCRIPTION

[0032] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings, but the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the content disclosed in the present invention more thorough and comprehensive.

[0033] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0034] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly connected by technicians in the technical field to which the present invention belongs. The terminology used in the specification of the present invention is for the purpose of describing specific embodiments and is not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0035] Please refer to the attached Figure 1 ,2 As shown in Figures 3, 6 and 7, in a preferred embodiment of the present invention, a fully detachable wall-enclosed door frame comprises an outer door frame 10, an inner door frame 20 is arranged inside the outer door frame 10, the inner door frame 20 comprises four self-retractable door frame devices 30, and a clamping component 21 is arranged between two adjacent self-retractable door frame devices 30; the clamping component 21 comprises a protrusion 211 arranged at the end of one of the telescopic plates 32, a recessed block 212 arranged at the end of an adjacent telescopic plate 32, and a long screw 213 arranged on the side wall of the recessed block 212 and used for fixing the protrusion 211 and the recessed block 212, the first mounting component 11 comprises a plurality of square card slots 111 symmetrically arranged on the two side walls of the outer cover plate 31, and a square card block 112 arranged on the side wall of the outer door frame 10 and clamped with the square card slots 111, and the plurality of square card slots 111 are distributed in a linear array.

[0036] It should be noted that, in this embodiment, the outer door frame 10 is directly fixed to the wall, and the self-telescopic door frame device 30 is installed and fixed by the first installation component 11. After completion, the length of the self-telescopic door frame device 30 is adjusted so that the clamping component 21 connects the four self-telescopic door frame devices 30 to each other, so that the four self-telescopic door frame devices 30 form the inner door frame 20;

[0037] Furthermore, when the self-retractable door frame device 30 is fixed, the square card slot 111 on the side wall of the outer cover plate 31 is clamped with the square card block 112 on the side wall of the outer door frame 10. After the clamping is completed, the square card slot 111 and the square card block 112 can be connected by screws to enhance the firmness;

[0038] Furthermore, when the clamping component 21 is working, the protrusion 211 is clamped into the recessed block 212, and the long screw 213 is screwed into the side wall of the recessed block 212, and the long screw 213 stably connects the protrusion 211 and the recessed block 212 together.

[0039] Please refer to the attached Figure 2 , 3, 4, 6, 7, and 8, in another preferred embodiment of the present invention, the self-retractable door frame device 30 includes an outer cover plate 31 installed on the side wall of the outer door frame 10 through a first installation component 11, two telescopic plates 32 symmetrically arranged at both ends of the outer cover plate 31 and slidably connected to the inner wall of the outer cover plate 31, a driving component 33 arranged on the inner wall of the outer cover plate 31 and used to drive the two telescopic plates 32 to move closer to or away from each other, a plurality of elastic extension components 34 arranged on the side of the telescopic plate 32 away from the outer door frame 10, and a self-disassembly plate component 35 arranged on the end of the elastic extension component 34 away from the outer door frame 10, the clamping component 21 is arranged at the end of the telescopic plate 32; the driving component 33 includes a bidirectional screw rod 331 fixed to the inner wall of the outer cover plate 31 through a bearing seat, and the bidirectional screw rod 331 The two ends are connected by nuts, respectively, to the two telescopic plates 32. The side wall of the outer cover plate 31 is provided with a through hole 332, and the side wall of the through hole 332 is provided with a flip cover plate 333. The outer cover plate 31 is symmetrically provided with a limiting component 36 for locking the bidirectional screw rod 331. The limiting component 36 includes an annular plate 361 provided on the inner wall of the outer cover plate 31 and sleeved on the outside of the bidirectional screw rod 331, a fixed clip 362 provided on the inner wall of the annular plate 361, a movable clip 363 located in the annular plate 361, and a threaded driving rod 364, one end of which passes through the outer cover plate 31 and the annular plate 361 in sequence and is rotatably connected to the movable clip 363. The elastic extension component 34 includes It includes a support rod 342 with one end slidably connected to the inner wall of the telescopic plate 32 and the other end connected to the extension disc 341, and a support spring 343 sleeved on the outer wall of the support rod 342 and located between the telescopic plate 32 and the extension disc 341. The self-disassembly plate component 35 includes a filling panel 351 and a threaded rod 352 with one end passing through the filling panel 351 and threadedly connected to the support rod 342. Both ends of the outer cover plate 31 are provided with a pressure wheel component 37, and the pressure wheel component 37 includes an inclined slide rail groove 371 embedded in the side wall of the outer cover plate 31, a positioning plate 372 with one end clamped in the inclined slide rail groove 371, and a plurality of pressure rollers 373 provided on the side wall of the positioning plate 372.

[0040] It should be noted that, in the present embodiment, when the self-telescopic door frame device 30 is adjusted, the flip cover plate 333 is opened, and the bidirectional screw rod 331 can be manually rotated at this time, and the bidirectional screw rod 331 drives the two telescopic plates 32 to move away from each other, so as to adjust the overall length of the self-telescopic door frame device 30. After the adjustment is completed, the threaded driving rod 364 is rotated, and the threaded driving rod 364 drives the movable clip 363 to move, so that the movable clip 363 cooperates with the fixed clip 362 to lock and fix the bidirectional screw rod 331, and the movement of the telescopic plate 32 drives the filling panel 351 to move outward. When the filling panel 351 leaves the outer cover plate 31, the support spring 343 pushes the support rod 342 to move outward, so that the filling panel 351 and the side wall of the outer cover plate 31 are in the same plane;

[0041] When part of the inner door frame 20 needs to be removed, the long screws 213 at both ends of the self-telescopic door frame device 30 to be removed are unscrewed, and the positioning plate 372 is inserted into the inclined slide rail groove 371. At this time, the bidirectional screw rod 331 is rotated, and the bidirectional screw rod 331 drives the two telescopic plates 32 to approach each other, and multiple pressure rollers 373 apply pressure to the filling plate 351, and the elastic extension component 34 is compressed, so that the filling plate 351 can enter the outer cover plate 31, and the self-telescopic door frame device 30 can be removed;

[0042] Furthermore, the threaded rod 352 can be unscrewed, and the hole of the door hinge is aligned with the hole of the threaded rod 352. The threaded rod 352 passes through the door hinge and the filler panel 351 and is threadedly connected to the support rod 342, and the door installation is completed.

[0043] Please refer to the attached Figure 2 , 5 As shown in Figure 6, in another preferred embodiment of the present invention, wall-enclosed door frame devices 40 are symmetrically provided on both sides of the outer cover plate 31, and the wall-enclosed door frame device 40 includes an outer frame plate 42 installed on the outer wall of the outer cover plate 31 through a second installation component 41, and the second installation component 41 includes a plurality of positioning circular grooves 411 provided on the side wall of the outer cover plate 31, a positioning round table 412 provided on the side wall of the outer frame plate 42 and clamped with the positioning circular groove 411, and a positioning screw 413 with one end passing through the positioning round table 412 to connect to the outer cover plate 31, and the side wall of the outer frame plate 42 is provided with a reinforcing support plate 421 for supporting a plurality of filling panels 351.

[0044] It should be noted that in this embodiment, when the outer frame plate 42 is installed, the positioning cone 412 is inserted into the positioning circular groove 411, and the outer frame plate 42 and the outer cover plate 31 are connected with the positioning screws 413. At this time, the reinforcement support plate 421 reinforces and supports the multiple filling panels 351 to prevent the elastic extension component 34 from retracting.

[0045] The specific process of the present invention is as follows:

[0046] The outer door frame 10 is directly fixed on the wall, and the self-telescopic door frame device 30 is installed and fixed by the first installation component 11. After completion, the length of the self-telescopic door frame device 30 is adjusted so that the clamping component 21 connects the four self-telescopic door frame devices 30 to each other, so that the four self-telescopic door frame devices 30 form the inner door frame 20;

[0047] When the self-retractable door frame device 30 is fixed, the square card slot 111 on the side wall of the outer cover plate 31 is clamped with the square card block 112 on the side wall of the outer door frame 10. After the clamping is completed, the square card slot 111 and the square card block 112 can be connected by screws to enhance the firmness;

[0048] When the clamping member 21 is working, the protrusion 211 is clamped into the concave block 212, and the long screw 213 is screwed into the side wall of the concave block 212, and the long screw 213 stably connects the protrusion 211 and the concave block 212 together;

[0049] When the self-telescopic door frame device 30 is adjusted, the flip cover plate 333 is opened, and the bidirectional screw rod 331 can be manually rotated at this time, and the bidirectional screw rod 331 drives the two telescopic plates 32 to move away from each other, so as to adjust the overall length of the self-telescopic door frame device 30. After the adjustment is completed, the threaded driving rod 364 is rotated, and the threaded driving rod 364 drives the movable clip 363 to move, so that the movable clip 363 cooperates with the fixed clip 362 to lock and fix the bidirectional screw rod 331, and the movement of the telescopic plate 32 drives the filling panel 351 to move outward. When the filling panel 351 leaves the outer cover plate 31, the support spring 343 pushes the support rod 342 to move outward, so that the filling panel 351 and the side wall of the outer cover plate 31 are in the same plane;

[0050] When part of the inner door frame 20 needs to be removed, the long screws 213 at both ends of the self-telescopic door frame device 30 to be removed are unscrewed, and the positioning plate 372 is inserted into the inclined slide rail groove 371. At this time, the bidirectional screw rod 331 is rotated, and the bidirectional screw rod 331 drives the two telescopic plates 32 to approach each other, and multiple pressure rollers 373 apply pressure to the filling plate 351, and the elastic extension component 34 is compressed, so that the filling plate 351 can enter the outer cover plate 31, and the self-telescopic door frame device 30 can be removed;

[0051] The threaded rod 352 can be unscrewed, and the hole of the door hinge is aligned with the hole of the threaded rod 352. The threaded rod 352 passes through the door hinge and the filler panel 351 is threadedly connected to the support rod 342, and the door installation can be completed;

[0052] When installing the outer frame plate 42, the positioning cone 412 is inserted into the positioning groove 411, and the outer frame plate 42 and the outer cover plate 31 are connected with the positioning screws 413. At this time, the reinforcing support plate 421 reinforces and supports the multiple filling panels 351 to prevent the elastic extension component 34 from shrinking.

[0053] The above is an exemplary description of the present invention in combination with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as such non-substantial improvements are made by adopting the method concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. Disassembly and assembly of a fully enclosed wall door frame, including an outer door frame (10), characterized in that The outer door frame (10) is provided with an inner door frame (20), the inner door frame (20) comprises four self-retractable door frame devices (30), and a clamping component (21) is provided between two adjacent self-retractable door frame devices (30); The self-retractable door frame device (30) comprises an outer cover plate (31) mounted on the side wall of the outer door frame (10) via a first mounting component (11), two retractable plates (32) symmetrically arranged at the two ends of the outer cover plate (31) and slidably connected to the inner wall of the outer cover plate (31), a driving component (33) arranged on the inner wall of the outer cover plate (31) and used to drive the two retractable plates (32) to move closer to or farther from each other, a plurality of elastic extension components (34) arranged on the side of the retractable plate (32) away from the outer door frame (10), and a self-detachable plate component (35) arranged on the end of the elastic extension component (34) away from the outer door frame (10), and the clamping component (21) is arranged at the end of the retractable plate (32); The outer cover plate (31) is symmetrically provided with a wall-enclosing door frame device (40) on both sides, the wall-enclosing door frame device (40) comprising an outer frame plate (42) mounted on the outer wall of the outer cover plate (31) via a second mounting component (41), the driving component (33) comprising a bidirectional screw rod (331) fixed to the inner wall of the outer cover plate (31) via a bearing seat, the two ends of the bidirectional screw rod (331) being connected to two telescopic plates (32) via screw nuts, the side wall of the outer cover plate (31) being provided with a through hole (332), the side wall of the through hole (332) being provided with a flip cover plate (333), the elastic extension component (34) comprising a support rod (342) having one end slidably connected to the inner wall of the telescopic plate (32) and the other end connected to the extension disc (341), and a support rod (342) sleeved on the outer wall of the support rod (342) and located on the telescopic plate (32). The self-detachable plate component (35) comprises a filling plate (351) and a threaded rod (352) having one end penetrating the filling plate (351) and being threadedly connected to the supporting rod (342). A limiting component (36) for locking the bidirectional screw rod (331) is symmetrically arranged in the outer cover plate (31). The limiting component (36) comprises an annular plate (361) arranged on the inner wall of the outer cover plate (31) and sleeved on the outside of the bidirectional screw rod (331), a fixed clip (362) arranged on the inner wall of the annular plate (361), a movable clip (363) located in the annular plate (361), and a threaded driving rod (364) having one end penetrating the outer cover plate (31) and the annular plate (361) in sequence and being rotatably connected to the movable clip (363).

2. The detachable and fully enclosed wall-type door frame according to claim 1, characterized in that: The clamping component (21) comprises a protrusion (211) provided at the end of one of the telescopic plates (32), a recessed block (212) provided at the end of an adjacent telescopic plate (32), and a long screw (213) provided on a side wall of the recessed block (212) and used for fixing the protrusion (211) and the recessed block (212).

3. The detachable and fully enclosed wall-type door frame according to claim 1, characterized in that: The first mounting component (11) comprises a plurality of square card slots (111) symmetrically arranged on two side walls of the outer cover plate (31), and a square card block (112) arranged on the side wall of the outer door frame (10) and engaging the square card slots (111), wherein the plurality of square card slots (111) are distributed in a linear array.

4. The detachable and fully-enclosed wall-type door frame according to claim 1, characterized in that: Both ends of the outer cover plate (31) are provided with a pressure wheel component (37), and the pressure wheel component (37) comprises an inclined slide rail groove (371) embedded in the side wall of the outer cover plate (31), a positioning plate (372) with one end clamped in the inclined slide rail groove (371), and a plurality of pressure rollers (373) provided on the side wall of the positioning plate (372).

5. The detachable and fully wall-enclosed door frame according to claim 1, characterized in that: The second mounting component (41) comprises a plurality of positioning circular grooves (411) provided on the side wall of the outer cover plate (31), a positioning round platform (412) provided on the side wall of the outer frame plate (42) and clamped in the positioning circular grooves (411), and a positioning screw (413) with one end passing through the positioning round platform (412) and connected to the outer cover plate (31).

6. The detachable and fully wall-enclosed door frame according to claim 1, characterized in that: The side wall of the outer frame plate (42) is provided with a reinforcing support plate (421) for supporting a plurality of filling panels (351).

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