Rotary adjustable metal door frame

Abstract

The invention belongs to the technical field of door frames, and discloses a rotary adjustable metal door frame which comprises a door frame body, the door frame body comprises a fixing mechanism, a clamping mechanism, a firing mechanism and an adjusting mechanism are slidably connected into the fixing mechanism, and a door frame shell is clamped to the outer side of the clamping mechanism; wherein the fixing mechanism comprises a base main body, a first sliding groove is formed in the base main body, through cooperation of the fixing mechanism, the clamping mechanism and other structures, the door frame shell can be conveniently fixed to the wall body, the base main body is fixedly connected to the wall body through bolts, a clamping plate enters a limiting sleeve, and the limiting sleeve is fixedly connected to the door frame shell through bolts; meanwhile, the fixing protruding blocks enter the fixing clamping grooves, and fixing of the main shell is completed; through cooperation of the adjusting mechanism, the fixing mechanism and other structures, the problem that the wall is inclined is solved, an adjusting gear is screwed through a hexagon wrench, and the sliding frame is driven to move through the adjusting gear and teeth.

Description

Technical Field

[0001] The invention belongs to the technical field of door frames, in particular to a rotatable and adjustable metal door frame. Background Art

[0002] The door frame is the frame of the door. The door frame can fix the door leaf to prevent it from deforming or opening and closing improperly, and it can also make the door structure more stable and beautiful.

[0003] When installing a metal door frame, it is necessary to ensure the beauty and stability of the door frame, so that the door frame needs to be installed on a flat wall. When leveling the wall, the wall may have a certain inclination due to building materials and other reasons. A small inclination may also cause the overall distortion of the door frame. Repeated leveling takes time and affects the installation efficiency. Therefore, a rotatable and adjustable metal door frame is proposed. Summary of the invention

[0004] In order to solve the problem that a door frame cannot be installed when the wall surface is uneven as mentioned in the background art, the present invention provides a rotatable and adjustable metal door frame.

[0005] To achieve the above object, the present invention provides the following technical solution: a rotatable and adjustable metal door frame, comprising a door frame body, the door frame body comprising a fixing mechanism, a locking mechanism, a firing mechanism and an adjusting mechanism are slidably connected inside the fixing mechanism, and a door frame shell is clamped on the outer side of the locking mechanism;

[0006] The fixing mechanism comprises a base body, a first slide groove is provided inside the base body, a pair of limit slots are provided inside the first slide groove, a card interface is provided at the upper end of the base body, and a fixing opening is provided in a linear distribution in the middle of the base body;

[0007] The clamping mechanism comprises a pair of clamping plates, one side of the pair of clamping plates close to the base body is provided with a clamping block, a second sliding groove is provided in the middle of the clamping plates, and fixing protrusions extend from both sides of the clamping plates.

[0008] Preferably, the door frame body is divided into two parts, namely a horizontal piece and a vertical piece, wherein the horizontal piece is located between a pair of vertical pieces, and the door frame body is fixedly connected to the wall.

[0009] Preferably, the base body is fixedly connected to the wall, the base body is located on the inner side of the door frame shell, a stop block is provided in the middle of the first slide groove to limit the movement of the positioning block, the base body is fixed to the inner side of the wall by bolts inside the fixing port, and the inside of the card interface is movably connected to the end of the card plate of the cross bar.

[0010] Preferably, the clamping plate is located between the base body and the door frame shell, the clamping block is slidably connected inside the first slide groove, the second slide groove is located between the clamping blocks, and the fixing protrusion is located at one end of the clamping plate close to each other;

[0011] Among them, a snap-in opening is opened at the top of the vertical clip-on plate, and is movably connected to the end of the horizontal clip-on plate.

[0012] Preferably, the firing mechanism comprises a base plate, the ends of the base plates close to each other are fixedly connected with sliding connecting plates, the outer sides of the sliding connecting plates are clamped with clamping blocks, and the ends of the base plates away from each other are fixedly connected with tension springs.

[0013] Preferably, the bottom plate is located at one end of a pair of clamping plates close to each other and is fixedly connected to the clamping plates. The pair of sliding connecting plates are fitted with each other and are located inside the clamping block. Limiting protrusions are provided at both ends of the sliding connecting plates. The clamping block is located between the limiting protrusions. One end of the tension spring is fixedly connected to the stop block inside the first slide groove, and the clamping block abuts against the main shell body.

[0014] Preferably, the adjustment mechanism comprises a sliding frame, a tooth is provided on the inner side of the sliding frame, a sliding limit block is movably connected to one end of the sliding frame, and an adjustment gear is provided on the inner side of the tooth.

[0015] Preferably, the sliding frame is slidably connected to the inside of the first sliding groove, the teeth are meshed with the adjusting gear, the side of the sliding limit block is slidably connected to the inside of the limiting groove, the connection between the sliding frame and the sliding limit block is cylindrical, so that the sliding limit block can rotate with the sliding frame with the connection as the axis, the adjusting gear is hinged to the base body, and one end of the adjusting gear is provided with an inner hexagonal rotating sleeve, which passes through the base body and extends to the outer surface of the base body.

[0016] Preferably, the door frame shell comprises a main shell, two ends of the main shell are provided with limiting sleeves, and the middle of the main shell is provided with a pair of fixing slots;

[0017] The interior of the limiting sleeve is movably connected to the clamping plate, and the interior of the fixed clamping slot is clamped with a fixed protrusion.

[0018] Preferably, after the base body is fixedly connected to the wall, the adjusting gear drives the sliding frame to move, the sliding frame drives the sliding limit block to slide inside the limit slot, and the sliding limit block drives the clamping plate to move along the limit slot, so as to adjust the horizontal or vertical state of the clamping plate;

[0019] The main shell of the vertical gear is squeezed toward the clip plate of the vertical gear, and the main shell squeezes the clamping block to move toward the inside of the first slide groove. At this time, the clamping block releases the limit on the sliding connecting plate, so that the clip plate moves to both sides under the pull of the tension spring, and the clip plate enters the inside of the limit sleeve, and then the main shell of the cross gear is pushed and squeezed toward the clip plate of the cross gear, so that the clip plate of the cross gear enters the clip slot at the end of the clip plate of the vertical gear to complete the fixation.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] The present invention facilitates fixing the door frame shell on the wall by setting the cooperation of the fixing mechanism and the clamping mechanism, and the base body is fixedly connected to the wall by bolts, and the clamping plate enters the inside of the limit sleeve, and the fixing protrusion enters the inside of the fixing slot to complete the fixing of the main shell;

[0022] The present invention solves the problem of wall tilt by arranging the coordination of structures such as the adjustment mechanism and the fixing mechanism. The adjustment gear is screwed with a hexagonal wrench, and the sliding frame is driven to move by the adjustment gear and the teeth, so that the sliding frame drives the sliding limit block to slide, and the sliding limit block slides synchronously inside the limit groove, so that the sliding limit block drives the clamping plate to move synchronously, so that the clamping plate can change its angle with the movement of the sliding limit block, so as to adjust the horizontal or vertical state of the clamping plate;

[0023] The present invention cooperates with structures such as a door frame shell and a firing mechanism, thereby facilitating rapid fixing of the door frame shell by squeezing the clamping block from the main shell to move toward the inside of the first slide groove. At this time, the clamping block releases the limit on the sliding connecting plate, allowing the clamping plate to move to both sides under the pull of the tension spring, allowing the clamping plate to enter the inside of the limit sleeve, and then the main shell of the cross bar is pushed and squeezed toward the clamping plate of the cross bar, so that the clamping plate of the cross bar enters the clamping slot at the end of the clamping plate of the vertical bar to complete the installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a drawing showing the installation effect of the door frame body of the present invention;

[0025] Figure 2 This is a schematic diagram of the overall structure of the door frame body of the present invention;

[0026] Figure 3 It is a side sectional view of the door frame body of the present invention;

[0027] Figure 4 It is a cross-sectional schematic diagram of the firing mechanism of the present invention;

[0028] Figure 5 This is a cross-sectional exploded view of the adjustment mechanism of the present invention;

[0029] Figure 6 This is a front sectional view of the door frame body of the present invention;

[0030] Figure 7 This is a schematic diagram of the connection between the horizontal rail and the vertical rail of the door frame of the present invention;

[0031] Figure 8 It is a bottom schematic diagram of the present invention.

[0032] In the figure: 1. door frame body; 2. wall; 3. fixing mechanism; 31. base body; 32. first slide groove; 33. limiting slot; 34. card interface; 35. fixing port; 4. card mechanism; 41. card plate; 42. card block; 43. second slide groove; 44. fixed protrusion; 5. firing mechanism; 51. bottom plate; 52. sliding connecting plate; 53. clamping block; 54. tension spring; 6. adjusting mechanism; 61. sliding frame; 62. teeth; 63. sliding limiting block; 64. adjusting gear; 7. door frame shell; 71. main shell; 72. limiting sleeve; 73. fixed card slot. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] like Figures 1 to 8 As shown, the present invention provides a rotatable and adjustable metal door frame, including a door frame body 1, the door frame body 1 includes a fixing mechanism 3, a locking mechanism 4, a firing mechanism 5 and an adjusting mechanism 6 are slidably connected inside the fixing mechanism 3, and a door frame shell 7 is clamped on the outer side of the locking mechanism 4; wherein, the fixing mechanism 3 includes a base body 31, a first slide groove 32 is opened inside the base body 31, a pair of limiting notches 33 are arranged inside the first slide groove 32, a locking interface 34 is opened at the upper end of the base body 31, and a fixing opening 35 is linearly distributed in the middle of the base body 31; the locking mechanism 4 includes a pair of clamping plates 41, a clamping block 42 is arranged on one side of the pair of clamping plates 41 close to the base body 31, a second slide groove 43 is opened in the middle of the clamping plate 41, and fixing protrusions 44 extend from both sides of the clamping plate 41.

[0035] The above scheme is adopted: the base body 31 is fixedly connected to the wall 2, and the adjusting gear 64 is screwed with a hexagonal wrench, and the sliding frame 61 is driven to move by adjusting the gear 64 and the teeth 62, so that the sliding frame 61 drives the sliding limit block 63 to slide, and at the same time, the sliding limit block 63 slides synchronously inside the limit groove 33, so that the sliding limit block 63 drives the clamping plate 41 to move synchronously, so that the clamping plate 41 can change its angle with the movement of the sliding limit block 63, thereby adjusting the horizontal or vertical state of the clamping plate 41.

[0036] like Figure 1 As shown, the door frame body 1 is divided into two parts, a horizontal piece and a vertical piece, wherein the horizontal piece is located between a pair of vertical pieces, and the door frame body 1 is fixedly connected to the wall 2 .

[0037] The above solution is adopted: by dividing the door frame body 1 into two parts, a horizontal bar and a vertical bar, the door frame body 1 can be disassembled during transportation, which is convenient for transporting and carrying the door frame.

[0038] like Figures 3 to 7 As shown, the base body 31 is fixedly connected to the wall 2, the base body 31 is located on the inner side of the door frame shell 7, a stopper is arranged in the middle of the first slide groove 32 to limit the movement of the positioning block 42, the base body 31 is fixed to the inner side of the wall 2 by bolts inside the fixing port 35, the card interface 34 is movably connected with the end of the crossbar card plate 41, the card plate 41 is located between the base body 31 and the door frame shell 7, the positioning block 42 is slidably connected inside the first slide groove 32, the second slide groove 43 is located between the positioning block 42, and the fixed protrusion 44 is located at one end of the card plate 41 close to each other; wherein, a card slot is opened at the top of the vertical bar card plate 41, and is movably connected with the end of the cross bar card plate 41.

[0039] The above scheme is adopted: by setting the base body 31 and opening the first slide groove 32 inside the base body 31, so as to facilitate the positioning block 42 to slide along the base body 31, and a stopper is set in the middle of the first slide groove 32 to limit the movement of the positioning block 42, so as to prevent a pair of positioning blocks 42 from sliding to one side, and the fixing opening 35 is set on the base body 31, so that the base body 31 can be conveniently fixed to the wall 2 by bolts, and the inside of the card interface 34 is connected to the card plate 41 of the horizontal bar, so that the main shell 7 of the horizontal bar and the vertical bar 1 can maintain neatness and beauty, the clamping plate 41 is arranged between the base body 31 and the door frame shell 7, the clamping plate 41 can be connected with the door frame shell 7, and then the base body 31 fixes the clamping plate 41 and the door frame shell 7 to the wall 2, the setting of the fixing protrusion 44 is convenient for the clamping plate 41 to be fixedly clamped with the main shell 71, and a clamping slot is opened at the top of the vertical clamping plate 41, and it is movably connected with the end of the horizontal clamping plate 41, so as to avoid the horizontal clamping plate 41 being blocked by the clamping plate 41 when entering the clamping interface 34.

[0040] like Figure 3 , Figure 4 and Figure 6As shown, the firing mechanism 5 includes a base plate 51, and the ends of the base plates 51 that are close to each other are fixedly connected with sliding connecting plates 52, and the outer sides of the sliding connecting plates 52 are clamped with clamping blocks 53, and the ends of the base plates 51 that are away from each other are fixedly connected with tension springs 54; the base plate 51 is located at the end of a pair of clamping plates 41 that are close to each other, and is fixedly connected to the clamping plates 41, the pair of sliding connecting plates 52 fit each other and are located inside the clamping blocks 53, both ends of the sliding connecting plates 52 are provided with limiting protrusions, the clamping blocks 53 are located between the limiting protrusions, one end of the tension spring 54 is fixedly connected to the block inside the first slide groove 32, and the clamping blocks 53 abut against the main shell 71.

[0041] The above scheme is adopted: by setting the firing mechanism 5, the main shell 71 can be quickly installed after the flatness adjustment of the clamping plate 41 is completed, and the bottom plate 51 and the clamping plate 41 are fixedly connected, so that the bottom plate 51 can drive the clamping plate 41 to move and clamp with the main shell 71, and a sliding connecting plate 52 is set at one end of the bottom plate 51 that is close to each other, and a clamping block 53 is clamped on the outer side of the sliding connecting plate 52, so that the sliding connecting plate 52 can be fixed by the clamping block 53 when the main shell 71 is not installed, so that a pair of clamping plates 41 are connected to each other as a whole, and the flatness of the clamping plate 41 is accurate. When the main shell 71 is installed, the clamping block 53 will abut against the main shell 71, and the main shell 71 will push the clamping block 53 to move to release the clamping of the sliding connecting plate 52, so that the clamping plate 41 can move to both sides to complete the clamping connection with the main shell 71.

[0042] like Figure 5 and Figure 6 As shown, the adjustment mechanism 6 includes a sliding frame 61, a tooth 62 is provided on the inner side of the sliding frame 61, a sliding limit block 63 is movably connected to one end of the sliding frame 61, an adjusting gear 64 is provided on the inner side of the tooth 62, the sliding frame 61 is slidably connected to the inside of the first sliding groove 32, the tooth 62 is meshed with the adjusting gear 64, the side of the sliding limit block 63 is slidably connected to the inside of the limit groove 33, the connection between the sliding frame 61 and the sliding limit block 63 is cylindrical, so that the sliding limit block 63 can rotate with the sliding frame 61 with the connection as the axis, the adjusting gear 64 is hinged to the base body 31, one end of the adjusting gear 64 is provided with an inner hexagonal rotating sleeve, and it passes through the base body 31 and extends to the outer surface of the base body 31.

[0043] The above scheme is adopted: by setting the adjustment mechanism 6, the sliding frame 61 pushes the sliding limit block 63 to move, so that the sliding limit block 63 moves inside the limit groove 33, and then pushes the clamping plate 41 to deflect, so as to adjust the flatness of the clamping plate 41, so that the clamping plate 41 is horizontal or vertical, and teeth 62 are provided on the inner side of the sliding frame 61, so that the teeth 62 are meshed and connected with the adjustment gear 64, and at the same time, a hexagonal rotating sleeve is provided at one end of the adjustment gear 64, and extends through the base body 31 To the outer surface of the base body 31, the worker can use the Allen wrench to screw the adjusting gear 64 to adjust the position of the adjusting gear 64 to adjust the position of the clamping plate 41, and the connection between the sliding frame 61 and the sliding limit block 63 is cylindrical, so that when the sliding frame 61 drives the sliding limit block 63 to move, the sliding limit block 63 will always remain perpendicular to the adjusting gear 64, and the sliding frame 61 will have a certain angle deviation with the wall 2 to which the base body 31 is fixed, so as to avoid the sliding frame 61 and the sliding limit block 63 from getting stuck.

[0044] like Figure 2 , Figure 3 and Figure 8 As shown, the door frame shell 7 includes a main shell 71, with limiting sleeves 72 at both ends of the main shell 71, and a pair of fixed slots 73 in the middle of the main shell 71; the limiting sleeves 72 are movably connected to the clamping plate 41, and the fixed protrusions 44 are clamped inside the fixed slots 73.

[0045] By adopting the above solution, the main housing 71 can be quickly clamped and fixed by the clamping plate 41 through the limiting sleeve 72 and the fixing slot 73 provided inside the main housing 71 , thereby completing the installation of the door frame shell 7 .

[0046] like Figures 1 to 8 As shown, after the base body 31 is fixedly connected to the wall 2, the adjusting gear 64 drives the sliding frame 61 to move, and the sliding frame 61 drives the sliding limit block 63 to slide inside the limit groove 33, and the sliding limit block 63 drives the clamping plate 41 to move along the limit groove 33, so as to adjust the horizontal or vertical state of the clamping plate 41; the main shell 71 of the vertical gear is squeezed toward the clamping plate 41 of the vertical gear, and the main shell 71 squeezes the clamping block 53 to move toward the inside of the first slide groove 32. At this time, the clamping block 53 releases the limit on the sliding connecting plate 52, so that the clamping plate 41 moves to both sides under the pull of the tension spring 54, and the clamping plate 41 enters the inside of the limit sleeve 72, and then the main shell 71 of the horizontal gear is pushed and squeezed toward the clamping plate 41 of the horizontal gear, so that the clamping plate 41 of the horizontal gear enters the clamping slot at the end of the clamping plate 41 of the vertical gear to complete the fixation.

[0047] With the above solution, after the base body 31 is fixedly connected to the wall 2, the adjusting gear 64 is screwed with a hexagonal wrench, and the adjusting gear 64 drives the sliding frame 61 to move, so that the sliding frame 61 drives the sliding limit block 63 to slide inside the limit groove 33, and then the sliding limit block 63 drives the clamping plate 41 to move synchronously, so that the clamping plate 41 can change its angle with the movement of the sliding limit block 63, thereby adjusting the horizontal or vertical state of the clamping plate 41;

[0048] After the angle of the clip plate 41 is adjusted, the main shell 71 of the vertical piece is first squeezed toward the clip plate 41 of the vertical piece, and the main shell 71 squeezes the clamping block 53 to move toward the inside of the first slide groove 32. At this time, the clamping block 53 releases the limit on the sliding connecting plate 52, so that the clip plate 41 moves to both sides under the pull of the tension spring 54, so that the clip plate 41 enters the inside of the limiting sleeve 72, and then the main shell 71 of the cross piece is pushed and squeezed toward the clip plate 41 of the cross piece, so that the clip plate 41 of the cross piece enters the clip opening at the end of the clip plate 41 of the vertical piece, thereby completing the installation of the door frame body 1.

[0049] The working principle and use process of the present invention are as follows: during installation, the base body 31 is first fixedly connected to the wall 2 with bolts, and then the worker uses a level ruler to detect the flatness of the clamping plate 41, and then uses a hexagonal wrench to screw the adjusting gear 64, and drives the sliding frame 61 to move through the adjusting gear 64 and the teeth 62, so that the sliding frame 61 drives the sliding limit block 63 to slide, and at the same time, the sliding limit block 63 slides synchronously inside the limit groove 33, so that the sliding limit block 63 drives the clamping plate 41 to move synchronously, so that the clamping plate 41 can change its angle with the movement of the sliding limit block 63, so as to adjust the horizontal or vertical state of the clamping plate 41;

[0050] When the locking cam 72 is in the closed position, the locking cam 72 is in the closed position, and the locking cam 72 is in the closed position, so that ...

[0051] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0052] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rotatable and adjustable metal door frame, comprising a door frame body (1), characterized in that: The door frame body (1) comprises a fixing mechanism (3), the fixing mechanism (3) is slidably connected with a locking mechanism (4), a firing mechanism (5) and an adjusting mechanism (6), and the locking mechanism (4) is locked with a door frame shell (7) on the outside; The fixing mechanism (3) comprises a base body (31), a first slide groove (32) is provided inside the base body (31), a pair of limit slots (33) are provided inside the first slide groove (32), a card interface (34) is provided at the upper end of the base body (31), and fixing openings (35) are linearly distributed in the middle of the base body (31); The clamping mechanism (4) comprises a pair of clamping plates (41), one side of the pair of clamping plates (41) close to the base body (31) is provided with a clamping block (42), a second sliding groove (43) is provided in the middle of the clamping plate (41), and fixing protrusions (44) extend from both sides of the clamping plate (41).

2. The rotatable and adjustable metal door frame according to claim 1, characterized in that: The door frame body (1) is divided into two parts: a horizontal piece and a vertical piece, wherein the horizontal piece is located between a pair of vertical pieces, and the door frame body (1) is fixedly connected to the wall (2).

3. The rotatable and adjustable metal door frame according to claim 1, characterized in that: The base body (31) is fixedly connected to the wall (2), the base body (31) is located on the inner side of the door frame shell (7), a stop block is provided in the middle of the first slide groove (32) to limit the movement of the positioning block (42), the base body (31) is fixed to the inner side of the wall (2) by bolts inside the fixing opening (35), and the card interface (34) is movably connected to the end of the card plate (41) of the cross bar.

4. The rotatable and adjustable metal door frame according to claim 1, characterized in that: The clamping plate (41) is located between the base body (31) and the door frame shell (7), the clamping block (42) is slidably connected inside the first slide groove (32), the second slide groove (43) is located between the clamping blocks (42), and the fixing protrusion (44) is located at one end of the clamping plate (41) close to each other; A snap-in opening is provided at the top of the vertical clip-on plate (41), and is movably connected to the end of the horizontal clip-on plate (41).

5. The rotatable and adjustable metal door frame according to claim 1, characterized in that: The firing mechanism (5) comprises a base plate (51), the ends of the base plates (51) close to each other are fixedly connected to sliding connecting plates (52), the outer sides of the sliding connecting plates (52) are clamped with clamping blocks (53), and the ends of the base plates (51) far from each other are fixedly connected to tension springs (54).

6. The rotatable and adjustable metal door frame according to claim 5, characterized in that: The bottom plate (51) is located at one end of a pair of clamping plates (41) close to each other and is fixedly connected to the clamping plates (41). The pair of sliding connecting plates (52) fit each other and are located inside the clamping block (53). Limiting protrusions are provided at both ends of the sliding connecting plates (52). The clamping block (53) is located between the limiting protrusions. One end of the tension spring (54) is fixedly connected to the stopper inside the first sliding groove (32), and the clamping block (53) abuts against the main shell (71).

7. The rotatable and adjustable metal door frame according to claim 1, characterized in that: The adjustment mechanism (6) comprises a sliding frame (61), a tooth (62) is provided inside the sliding frame (61), one end of the sliding frame (61) is movably connected to a sliding limit block (63), and an adjustment gear (64) is provided inside the tooth (62).

8. The rotatable and adjustable metal door frame according to claim 7, characterized in that: The sliding frame (61) is slidably connected inside the first sliding groove (32), the teeth (62) are meshedly connected with the adjusting gear (64), the sliding limit block (63) is slidably connected to the inside of the limit groove (33) at the side, the connection between the sliding frame (61) and the sliding limit block (63) is cylindrical, so that the sliding limit block (63) can rotate with the sliding frame (61) around the connection as the axis, the adjusting gear (64) is hinged to the base body (31), and one end of the adjusting gear (64) is provided with an inner hexagonal rotating sleeve, which penetrates the base body (31) and extends to the outer surface of the base body (31).

9. The rotatable and adjustable metal door frame according to claim 1, characterized in that: The door frame shell (7) comprises a main shell (71), two ends of the main shell (71) are provided with limiting sleeves (72), and the middle part of the main shell (71) is provided with a pair of fixing slots (73); The interior of the limiting sleeve (72) is movably connected to the clamping plate (41), and the interior of the fixed clamping groove (73) is clamped with a fixed protrusion (44).

10. The rotatable and adjustable metal door frame according to claim 9, characterized in that: After the base body (31) is fixedly connected to the wall (2), the adjusting gear (64) drives the sliding frame (61) to move, and the sliding frame (61) drives the sliding limit block (63) to slide inside the limit slot (33), and the sliding limit block (63) drives the clamping plate (41) to move along the limit slot (33), so as to adjust the horizontal or vertical state of the clamping plate (41); The main housing (71) of the vertical gear is pressed toward the clamping plate (41) of the vertical gear, and the main housing (71) presses the clamping block (53) to move toward the inside of the first slide groove (32). At this time, the clamping block (53) releases the limit of the sliding connecting plate (52), so that the clamping plate (41) moves to both sides under the pull of the tension spring (54), and the clamping plate (41) enters the inside of the limiting sleeve (72). Then, the main housing (71) of the horizontal gear is pushed and pressed toward the clamping plate (41) of the horizontal gear, so that the clamping plate (41) of the horizontal gear enters the clamping slot at the end of the clamping plate (41) of the vertical gear to complete the fixation.

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