CN217054827U

CN217054827U - Dismounting wall-covering door frame

Info

Publication number: CN217054827U
Application number: CN202123386259.9U
Authority: CN
Inventors: 陈钊文
Original assignee: Anhui Mante Security Technology Co ltd
Current assignee: Anhui Mante Security Technology Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-07-26
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a dismounting wall-covering type door frame, which comprises an outer door frame, wherein an inner door frame is arranged in the outer door frame, the inner door frame comprises four self-telescopic door frame devices, and a clamping part is arranged between two adjacent self-telescopic door frame devices; the self-telescopic door frame device comprises an outer cover plate arranged on the side wall of an outer door frame through a first mounting part, two telescopic plates symmetrically arranged at two ends in the outer cover plate and connected with the inner wall of the outer cover plate in a sliding manner, a driving part arranged on the inner wall of the outer cover plate and used for driving the two telescopic plates to mutually approach or separate, a plurality of elastic extension parts arranged on one side of the telescopic plates away from the outer door frame, and a self-dismounting plate part arranged on one end of the elastic extension parts away from the outer door frame, wherein a clamping part is arranged at the end part of the telescopic plates; the two sides of the outer cover plate are symmetrically provided with wall-wrapping door frame devices, and the wall-wrapping door frame devices comprise outer frame plates which are arranged on the outer wall of the outer cover plate through second mounting components. The utility model relates to a be convenient for dismantle the change to some door frames, be convenient for stabilize fixed door frame.

Description

Dismounting wall-covering type door frame

Technical Field

The utility model relates to a technical field of door frame specifically is dismouting full wrap wall formula door frame.

Background

The main effect of door frame is fixed door leaf and protection corner, decoration etc. and the stability of door frame and the quick replacement behind the door frame damage are the factor of key consideration when the user selects the door frame.

According to a detachable door frame provided in patent document CN201720373734.3, the product includes a fixed door frame and a movable door frame; the upper door frame and the lower door frame of the fixed door frame are both provided with grooves, the tops of the grooves of the upper door frame are uniformly provided with springs, and the opposite inner sides of the two side edges of the fixed door frame are respectively provided with fixed lock holes; the movable door frame is matched with the fixed door frame; this product simple structure, convenient to use has solved current door frame and can not dismantle, causes house decoration or when trading a door, needs to demolish original door frame and install new door frame again according to new door preparation, causes to dismantle troublesome for dismantle takes a lot of work and time, has increased the door frame replacement cost, and it is inconvenient to use, is unfavorable for material saving's problem.

The product door frame of being convenient for among the above-mentioned patent is dismantled, nevertheless need wholly dismantle the change when the door frame is changed, is not convenient for dismantle the change to partial door frame, and door frame stability is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a wall-covering type door frame for assembly and disassembly, which is used for solving the technical problem provided in the background technology.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the detachable wall-covering type door frame comprises an outer door frame, an inner door frame is arranged in the outer door frame, the inner door frame comprises four self-telescopic door frame devices, and a clamping part is arranged between every two adjacent self-telescopic door frame devices;

the self-telescopic door frame device comprises an outer cover plate arranged on the side wall of an outer door frame through a first mounting part, two telescopic plates symmetrically arranged at two ends in the outer cover plate and connected with the inner wall of the outer cover plate in a sliding manner, a driving part arranged on the inner wall of the outer cover plate and used for driving the two telescopic plates to mutually approach or separate, a plurality of elastic extension parts arranged on one side of the telescopic plates, which is far away from the outer door frame, and a self-dismounting plate part arranged at one end, which is far away from the outer door frame, of the elastic extension parts, wherein the clamping part is arranged at the end part of the telescopic plates;

the two sides of the outer cover plate are symmetrically provided with wall-wrapping door frame devices, and each wall-wrapping door frame device comprises an outer frame plate which is arranged on the outer wall of the outer cover plate through a second mounting component.

Preferably, the clamping part comprises a convex block arranged at one end of one expansion plate, a concave block arranged at the end of the adjacent expansion plate, and a long screw arranged on the side wall of the concave block and used for fixing the convex block and the concave block. In the preferred embodiment, the clamping components are used for facilitating the connection of a plurality of self-telescopic door frame devices to form the inner door frame.

Preferably, the first installation part comprises a plurality of square clamping grooves symmetrically arranged on two side walls of the outer cover plate and square clamping blocks and a plurality of square clamping grooves which are linearly distributed in an array mode and are clamped on the side wall of the outer door frame. In the preferred embodiment, the first mounting member facilitates the mounting and dismounting of the self-retracting doorframe apparatus to the outer doorframe.

Preferably, the driving part comprises a bidirectional screw rod fixed on the inner wall of the outer cover plate through a bearing seat, two ends of the bidirectional screw rod are respectively connected with two expansion plates through 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 an overturning cover plate. In the preferred embodiment, the two expansion plates are convenient to approach or separate from each other through the driving part, so that partial inner door frames can be replaced, and meanwhile, four self-expansion door frame devices can be stably fixed.

Preferably, the symmetry is equipped with the stop part who is used for locking two-way lead screw in the housing plate, stop part is including locating housing plate inner wall and cover are located the outside annular slab of two-way lead screw locates the fixed clamping piece of annular slab inner wall is located removal clamping piece in the annular slab to and one end run through housing plate and annular slab in proper order and rotate the screw thread actuating lever of connecting the removal clamping piece. In the preferred embodiment, the bidirectional screw rod is conveniently locked by the limiting component.

Preferably, the elastic extension part comprises a support rod with one end slidably connected with the inner wall of the expansion plate and the other end connected with the extension disc, and a support spring sleeved on the outer wall of the support rod and positioned between the expansion plate and the extension disc. In the preferred embodiment, the extension of the telescoping panel side walls is facilitated by a resilient extension member to facilitate leveling of the inner door frame surface.

Preferably, the self-disassembling plate component comprises a filling panel and a threaded rod, wherein one end of the threaded rod penetrates through the filling panel and is in threaded connection with the supporting rod. In the preferred embodiment, the self-disassembling plate component is convenient for disassembling and replacing the filling panel, and is convenient for installing the hinge of the door.

Preferably, the outer cover plate both ends all are equipped with pinch roller part, pinch roller part is including inlaying and locating outer cover plate lateral wall slope slide rail groove, one end joint the locating plate in slope slide rail groove to and locate a plurality of compression rollers of locating plate lateral wall. In the preferred embodiment, the pressure wheel component is used to facilitate the pressing of the elastic extension component when the retractable plate retracts.

Preferably, the second installation part comprises a plurality of positioning circular grooves arranged on the side wall of the outer cover plate, the positioning circular grooves are arranged on the side wall of the outer frame plate in a clamped mode, and positioning screws with one ends penetrating through the positioning circular grooves and connected with the outer cover plate. In the preferred embodiment, the positioning and mounting of the outer deckle plates is facilitated by the second mounting means.

Preferably, the side wall of the outer frame plate is provided with a reinforced support plate for supporting a plurality of filling panels. In the preferred embodiment, the reinforced support of the plurality of fill panels is facilitated by a reinforcing support plate.

Compared with the prior art, the beneficial effects of the utility model are that:

the door frame of the utility model is convenient for disassembling and replacing part of the door frame, and is convenient for stably fixing the door frame;

the clamping component is convenient for connecting a plurality of self-expansion door frame devices to form an inner door frame, the first mounting component is convenient for dismounting and mounting the self-expansion door frame devices and an outer door frame, the two expansion plates are convenient to approach or separate from each other through the driving part so as to replace part of the inner door frame, meanwhile, the four self-telescopic door frame devices are conveniently and stably fixed, the bidirectional screw rod is conveniently locked through the limiting part, the side wall of the expansion plate is conveniently expanded through the elastic expansion part so as to be convenient for flattening the inner door frame surface, the filling panel is conveniently disassembled and replaced through the self-disassembling plate part, meanwhile, the installation of the hinge of the door is convenient, the pressure is applied to the elastic extension part when the expansion plate retracts through the pressure wheel part, the second mounting component is convenient for positioning and mounting the outer frame plate, and the reinforcing support plate is convenient for reinforcing and supporting a plurality of filling panels.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is an isometric view of the overall structure of the present invention;

FIG. 2 is an exploded view of the overall structure of the present invention;

fig. 3 is an axonometric view of the structure of the self-expanding door frame device of the present invention;

fig. 4 is an exploded view of the self-retracting doorframe apparatus of the present invention;

fig. 5 is a cross-sectional view of the overall structure of the present invention;

FIG. 6 is a sectional view of the elastic extension member of the present invention;

FIG. 7 is an enlarged view of the structure at the position A;

fig. 8 is an enlarged view of the structure at B of the present invention.

Description of the drawings: 10. an outer door frame; 11. a first mounting member; 111. a square clamping groove; 112. a square fixture block; 20. an inner door frame; 21. a clip member; 211. a bump; 212. a concave block; 213. a long screw; 30. a self-retracting doorframe apparatus; 31. an outer cover plate; 32. a retractable plate; 33. a drive member; 331. a bidirectional screw rod; 332. a through hole; 333. turning over the cover plate; 34. an elastic extension member; 341. extending the disc; 342. a support bar; 343. a support spring; 35. self-disassembling plate members; 351. filling panels; 352. a threaded rod; 36. a limiting component; 361. an annular plate; 362. fixing the clamping piece; 363. moving the clamping piece; 364. a threaded drive rod; 37. a pinch roller component; 371. inclining the slide rail groove; 372. positioning a plate; 373. pressing rollers; 40. a wall-wrapped door frame device; 41. a second mounting member; 411. positioning the circular groove; 412. positioning the circular truncated cone; 413. a set screw; 42. an outer frame plate; 421. and reinforcing the supporting plate.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the invention herein is for the purpose of describing particular embodiments and is not intended to limit the invention, and the use of the term "and/or" herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1, 2, 3, 6, and 7, in a preferred embodiment of the present invention, the detachable fully-enclosed wall type door frame includes an outer door frame 10, an inner door frame 20 is disposed in the outer door frame 10, the inner door frame 20 includes four self-extensible door frame devices 30, and a fastening member 21 is disposed between two adjacent self-extensible door frame devices 30; joint part 21 is including locating the lug 211 of one of them expansion plate 32 tip, locates the concave block 212 of adjacent expansion plate 32 tip, and locates concave block 212 lateral wall just is used for the long screw 213 of fixed lug 211 with concave block 212, first installation component 11 is located including the symmetry a plurality of square clamping groove 111 of outer cover plate 31 both sides wall, and locates outer door frame 10 lateral wall and joint square clamping block 112 of square clamping groove 111, it is a plurality of square clamping groove 111 is linear array and distributes.

It should be noted that, in the present embodiment, the outer doorframe 10 is directly fixed on a wall, the self-retracting doorframe apparatus 30 is installed and fixed through the first installation component 11, and after the installation, the length of the self-retracting doorframe apparatus 30 is adjusted, so that the clamping component 21 connects the four self-retracting doorframe apparatuses 30 to each other, so that the four self-retracting doorframe apparatuses 30 form the inner doorframe 20;

further, when the self-retracting door frame device 30 is fixed, the square clamping groove 111 on the side wall of the outer cover plate 31 is clamped with the square clamping block 112 on the side wall of the outer door frame 10, and the square clamping groove 111 and the square clamping block 112 can be connected through screws after clamping is completed, so that the firmness is enhanced;

further, when the engaging member 21 is operated, the protrusion 211 is engaged with the recess 212, and the long screw 213 is screwed into the sidewall of the recess 212, so that the protrusion 211 and the recess 212 are stably connected by the long screw 213.

Referring to fig. 2, 3, 4, 6, 7 and 8, in another preferred embodiment of the present invention, the self-retracting doorframe apparatus 30 includes an outer covering plate 31 mounted on the sidewall of the outer doorframe 10 through a first mounting member 11, two retractable plates 32 symmetrically disposed at two ends of the outer covering plate 31 and slidably connected to the inner wall of the outer covering plate 31, a driving member 33 disposed on the inner wall of the outer covering plate 31 and used for driving the two retractable plates 32 to approach or separate from each other, a plurality of elastic force extension members 34 disposed on one side of the retractable plates 32 away from the outer doorframe 10, and a self-detaching plate member 35 disposed on one end of the elastic force extension members 34 away from the outer doorframe 10, wherein the engaging member 21 is disposed at the end of the retractable plate 32; the driving part 33 comprises a bidirectional screw rod 331 fixed on the inner wall of the outer cover plate 31 through a bearing seat, two ends of the bidirectional screw rod 331 are respectively connected with two expansion plates 32 through nuts, a through hole 332 arranged on the side wall of the outer cover plate 31, a turnover cover plate 333 arranged on the side wall of the through hole 332, a limiting part 36 used for locking the bidirectional screw rod 331 is symmetrically arranged in the outer cover plate 31, the limiting part 36 comprises an annular plate 361 arranged on the inner wall of the outer cover plate 31 and sleeved outside the bidirectional screw rod 331, a fixed clamping piece 362 arranged on the inner wall of the annular plate 361, a movable clamping piece 363 arranged in the annular plate 361, and a thread driving rod 364 one end of which sequentially penetrates through the outer cover plate 31 and the annular plate 361 and is rotationally connected with the movable clamping piece 363, the elastic expansion part 34 comprises a supporting rod 342 one end of which is slidably connected with the inner wall of the expansion plate 32 and the other end of which is connected with the expansion disc 341, and the cover is located the bracing piece 342 outer wall and be located the expansion plate 32 with extend the supporting spring 343 between the disc 341, from dismouting board part 35 including filling panel 351 to and one end runs through the threaded rod 352 who fills panel 351 and threaded connection bracing piece 342, outer cover plate 31 both ends all are equipped with pinch roller part 37, pinch roller part 37 is including inlaying and locating outer cover plate 31 lateral wall slope slide rail groove 371, one end joint the locating plate 372 of slope slide rail groove 371, and locate a plurality of compression rollers 373 of locating plate 372 lateral wall.

It should be noted that, in this embodiment, when the self-retracting doorframe apparatus 30 is adjusted, the flip cover 333 is opened, at this time, the bidirectional screw 331 is manually rotated, the bidirectional screw 331 drives the two retractable plates 32 to move away from each other, so as to adjust the overall length of the self-retracting doorframe apparatus 30, the threaded drive rod 364 is rotated after the adjustment is completed, the threaded drive rod 364 drives the movable clamping piece 363 to move, so that the movable clamping piece 363 cooperates with the fixed clamping piece 362 to lock and fix the bidirectional screw 331, the retractable plate 32 moves to drive the filling plate 351 to move outward, and when the filling plate 351 leaves the outer cover plate 31, the support spring 343 pushes the support rod 342 to move outward, so that the filling plate 351 and the side wall of the outer cover plate 31 are in the same plane;

when a part of the inner doorframe 20 needs to be removed, the long screws 213 at two ends of the self-expanding doorframe apparatus 30 to be removed are screwed off, the positioning plate 372 is inserted into the inclined slide rail groove 371, the bidirectional screw 331 is rotated at this time, the bidirectional screw 331 drives the two expansion plates 32 to approach each other, the plurality of pressing rollers 373 apply pressure to the infill panel 351, and the elastic extension member 34 is compressed, so that the infill panel 351 enters the outer cover plate 31, and the self-expanding doorframe apparatus 30 can be removed;

further, the threaded rod 352 may be rotated down and aligned with the hole of the door hinge with the hole of the threaded rod 352, and the threaded rod 352 may be threaded through the door hinge and the filler panel 351 to connect the support rod 342, thereby completing the installation of the door.

Please refer to fig. 2, 5 and 6, in another preferred embodiment of the present invention, the two sides of the outer cover plate 31 are symmetrically provided with a wall-covering door frame device 40, the wall-covering door frame device 40 includes an outer frame plate 42 mounted on the outer wall of the outer cover plate 31 through a second mounting member 41, the second mounting member 41 includes a plurality of positioning circular slots 411 arranged on the side wall of the outer cover plate 31, a positioning circular platform 412 arranged on the side wall of the outer frame plate 42 and engaged with the positioning circular slots 411, and a positioning screw 413 having one end penetrating through the positioning circular platform 412 and connected with 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 plates 351.

In the present embodiment, when the outer frame plate 42 is mounted, the positioning round table 412 is engaged with the positioning round slot 411, and the outer frame plate 42 and the outer cover plate 31 are connected by the positioning screw 413, and at this time, the reinforcing support plate 421 reinforces and supports the plurality of fill-in plates 351 to prevent the elastic force extension member 34 from retracting.

The utility model discloses a concrete flow is as follows:

the outer doorframe 10 is directly fixed on a wall body, the self-telescopic doorframe device 30 is installed and fixed through the first installation part 11, and after the installation, the length of the self-telescopic doorframe device 30 is adjusted, so that the clamping part 21 connects the four self-telescopic doorframe devices 30 with each other, and the four self-telescopic doorframe devices 30 form an inner doorframe 20;

when the self-telescopic door frame device 30 is fixed, the square clamping groove 111 on the side wall of the outer cover plate 31 is clamped with the square clamping block 112 on the side wall of the outer door frame 10, and the square clamping groove 111 and the square clamping block 112 can be connected through screws after clamping is finished, so that the firmness is enhanced;

when the clamping part 21 works, the convex block 211 is clamped into the concave block 212, the long screw 213 is screwed into the side wall of the concave block 212, and the convex block 211 and the concave block 212 are stably connected together by the long screw 213;

when the self-expansion door frame device 30 is adjusted, the turning cover plate 333 is opened, at this time, the bidirectional screw 331 can be manually rotated, the bidirectional screw 331 drives the two expansion plates 32 to be away from each other, so as to adjust the overall length of the self-expansion door frame device 30, the threaded driving rod 364 is rotated after the adjustment is completed, the threaded driving rod 364 drives the movable clamping piece 363 to move, so that the movable clamping piece 363 is matched with the fixed clamping piece 362 to lock and fix the bidirectional screw 331, the expansion plate 32 moves to drive the filling panel 351 to move outwards, and when the filling panel 351 leaves the outer cover plate 31, the supporting spring 343 pushes the supporting rod 342 to move outwards, so that the filling panel 351 and the outer cover plate 31 are in the same plane;

when a part of the inner doorframe 20 needs to be removed, the long screws 213 to be removed from both ends of the telescopic doorframe apparatus 30 are screwed off, the positioning plate 372 is inserted into the inclined slide rail groove 371, at this time, the bidirectional screw 331 is rotated, the bidirectional screw 331 drives the two telescopic plates 32 to approach each other, the plurality of pressing rollers 373 apply pressure to the infill panel 351, and the elastic extension member 34 is compressed, so that the infill panel 351 enters the outer cover plate 31, and the self-telescopic doorframe apparatus 30 can be removed;

the threaded rod 352 can be screwed down, a hole of a hinge of the door is aligned with a hole of the threaded rod 352, and the threaded rod 352 penetrates through the hinge of the door and the filling panel 351 to be in threaded connection with the supporting rod 342, so that the door can be mounted;

when the outer frame plate 42 is mounted, the positioning round table 412 is inserted into the positioning round slot 411, and the outer frame plate 42 and the outer cover plate 31 are connected by the positioning screw 413, and at this time, the reinforcing support plate 421 reinforces and supports the plurality of filling plates 351 to prevent the elastic force extending component 34 from retracting.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. The detachable wall-covering type door frame comprises an outer door frame (10), and is characterized in that an inner door frame (20) is arranged in the outer door frame (10), the inner door frame (20) comprises four self-telescopic door frame devices (30), and a clamping part (21) is arranged between every two adjacent self-telescopic door frame devices (30);

the self-telescopic door frame device (30) comprises an outer cover plate (31) arranged on the side wall of an outer door frame (10) through a first mounting part (11), two telescopic plates (32) symmetrically arranged at two ends in the outer cover plate (31) and slidably connected with the inner wall of the outer cover plate (31), a driving part (33) arranged on the inner wall of the outer cover plate (31) and used for driving the two telescopic plates (32) to be close to or away from each other, a plurality of elastic extension parts (34) arranged on one side, far away from the outer door frame (10), of the telescopic plates (32), and a self-dismounting plate part (35) arranged at one end, far away from the outer door frame (10), of the elastic extension parts (34), wherein a clamping part (21) is arranged at the end part of the telescopic plates (32);

the two sides of the outer cover plate (31) are symmetrically provided with wall-wrapping door frame devices (40), and each wall-wrapping door frame device (40) comprises an outer frame plate (42) which is arranged on the outer wall of the outer cover plate (31) through a second mounting component (41).

2. A demountable wall-covering type door frame according to claim 1, wherein the engaging member (21) comprises a protrusion (211) provided at an end of one of the expansion plates (32), a recess (212) provided at an end of an adjacent expansion plate (32), and a long screw (213) provided at a side wall of the recess (212) and used for fixing the protrusion (211) and the recess (212).

3. A detachable all-around wall type door frame according to claim 1, wherein the first mounting component (11) comprises a plurality of square slots (111) symmetrically disposed on two side walls of the outer cover plate (31), and a plurality of square blocks (112) disposed on the side walls of the outer door frame (10) and engaged with the square slots (111), and the plurality of square slots (111) are distributed in a linear array.

4. The detachable all-wall doorframe according to claim 1, wherein the driving member (33) comprises a bidirectional screw rod (331) fixed on the inner wall of the outer cover plate (31) through a bearing seat, two expansion plates (32) are respectively screwed at two ends of the bidirectional screw rod (331), a through hole (332) is formed in the side wall of the outer cover plate (31), and a flip cover plate (333) is formed in the side wall of the through hole (332).

5. The dismounting and mounting all-wall-covering type door frame according to claim 4, wherein a limiting component (36) for locking a bidirectional screw rod (331) is symmetrically arranged in the outer cover plate (31), the limiting component (36) comprises an annular plate (361) which is arranged on the inner wall of the outer cover plate (31) and sleeved outside the bidirectional screw rod (331), a fixed clamping piece (362) which is arranged on the inner wall of the annular plate (361), a movable clamping piece (363) which is arranged in the annular plate (361), and a threaded driving rod (364) one end of which sequentially penetrates through the outer cover plate (31) and the annular plate (361) and is rotatably connected with the movable clamping piece (363).

6. The detachable wall-covering door frame as claimed in claim 1, wherein the resilient extension member (34) comprises a support rod (342) having one end slidably connected to the inner wall of the extension 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 extension plate (32) and the extension disc (341).

7. A demountable wall-covering door frame according to claim 6, wherein the self-demountable plate member (35) comprises a filler panel (351), and a threaded rod (352) having one end penetrating the filler panel (351) and threadedly connected to the support rod (342).

8. A detachable doorframe with a wall covering structure as claimed in claim 1, wherein the two ends of the outer cover plate (31) are provided with a pressing wheel member (37), the pressing wheel member (37) comprises an inclined sliding rail groove (371) embedded in the sidewall of the outer cover plate (31), a positioning plate (372) with one end connected to the inclined sliding rail groove (371), and a plurality of pressing rollers (373) arranged on the sidewall of the positioning plate (372).

9. The detachable all-wall door frame according to claim 1, wherein the second mounting member (41) comprises a plurality of positioning circular slots (411) formed in the side wall of the outer cover plate (31), a positioning circular table (412) formed in the side wall of the outer frame plate (42) and engaged with the positioning circular slots (411), and a positioning screw (413) having one end penetrating through the positioning circular table (412) and connected to the outer cover plate (31).

10. A demountable wall-covering door frame according to claim 7, wherein the outer frame panel (42) side walls are provided with reinforcing support panels (421) for supporting a plurality of filler panels (351).