An adjustable entrance door frame

Abstract

The present invention provides an adjustable entrance door frame, comprising an inner door frame, a threshold strip being provided at the lower end of the inner door frame, vertical frame adjustment mechanisms being symmetrically provided on both sides of the inner door frame, a crossbeam adjustment mechanism being provided on the upper end of the inner door frame, and a plurality of adjustable supporting mechanisms being provided on both sides and the upper end of the inner door frame, respectively. The present invention adjusts the vertical frames on both sides of the door frame by means of the vertical frame adjustment mechanism in cooperation with the adjustable supporting mechanism, and adjusts the crossbeam at the upper end of the door frame by means of the crossbeam adjustment mechanism in cooperation with the adjustable supporting mechanism, so as to adapt to door openings of different sizes. While improving the manufacturing efficiency of the door frame and reducing the production cost, the present invention can also adapt to the installation of doors and walls of different sizes within a certain range, thereby improving the installation efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of entrance doors, and in particular to an entrance door frame suitable for adjustment. Background Art

[0002] The entrance door is the first gate to enter the house, so of course its anti-theft performance should be higher. Therefore, the entrance door is also called the anti-theft door. Most houses are installed with the entrance door when they are completed.

[0003] At present, most of the common door frames on the market are fixed in place with fixed structures and cannot be adjusted. When there is a deviation between the measured size of the door opening and the actual size, the door frame is difficult to install securely. If door leaves of different sizes are produced, the door frame will be inconvenient to manufacture, resulting in a significant reduction in production efficiency. Summary of the invention

[0004] In view of the above problems, the present invention provides an adjustable entrance door frame, the purpose of which is to solve the technical problem in the above background technology that door openings have different sizes, but the door frame size is fixed and difficult to adjust and match.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an adjustable entrance door frame, comprising an inner door frame, a threshold strip is provided at the lower end of the inner door frame, vertical frame adjustment mechanisms are symmetrically provided on both sides of the inner door frame, a crossbeam adjustment mechanism is provided at the upper end of the inner door frame, and a plurality of adjustable support mechanisms are respectively provided on both sides and the upper end of the inner door frame.

[0006] Furthermore, adjustment limit limit strips are provided on both sides of the inner door frame, a plurality of adjustment mechanism operating circular holes are respectively provided on both sides of the middle part and the middle top surface of the inner door frame, expansion bolt operating square holes are respectively provided between the plurality of adjustment mechanism operating circular holes, a grouting groove is provided on the outer wall of the inner door frame, a plurality of adjustment mechanism fixing grooves are respectively provided on both sides of the grouting groove, and the plurality of adjustment mechanism fixing grooves are respectively plugged into and matched with one end of the adjustable support mechanism.

[0007] Furthermore, two ends of the threshold strip are respectively fixedly connected to two ends of the lower part of the inner door frame, a paving strip is provided on one side of the bottom surface of the threshold strip, and a plurality of paving fixing holes are opened in the middle of the paving strip.

[0008] Furthermore, the vertical frame adjustment mechanism includes a vertical frame adjustment sleeve, one side of the vertical frame adjustment sleeve is slidably connected to the two sides of the inner door frame, the inner side of the vertical frame adjustment sleeve abuts against one side of the adjustable support mechanism, and the other side of the vertical frame adjustment sleeve is clamped with the vertical frame decorative molding strip.

[0009] Furthermore, a mullion adjustment groove is provided on one side of the mullion adjustment sleeve, mullion adjustment limit strips are symmetrically provided at both ends of one side of the mullion adjustment groove, a plurality of expansion bolt mounting holes are provided in the middle of the other side of the mullion adjustment groove, a plurality of mullion decoration strip slots are provided on one side of the plurality of expansion bolt mounting holes and on the other side of the mullion adjustment groove, the plurality of mullion decoration strip slots are all clamped on one side of the mullion decoration molding strip, and the middle of the other side of the mullion adjustment groove abuts against one side of the plurality of adjustable support mechanisms.

[0010] Furthermore, a mullion pattern is provided on one side of the mullion decorative strip, and a plurality of mullion decorative strip hooks are provided on the other side of the mullion decorative strip, and the plurality of mullion decorative strip hooks are respectively engaged with the mullion decorative strip slots.

[0011] Furthermore, the beam adjustment mechanism includes a beam adjustment sleeve, one side of the beam adjustment sleeve is slidably connected to the upper end of the inner door frame, the inner top surface of the beam adjustment sleeve abuts against one side of the adjustable support mechanism, and the outer top surface of the beam adjustment sleeve is clamped with the beam decorative molding strip.

[0012] Furthermore, vertical frame sleeve avoidance grooves are respectively provided at both ends of the beam adjustment sleeve, a beam adjustment groove is provided at the lower part of the beam adjustment sleeve, beam adjustment limit strips are symmetrically provided at both ends of one side of the beam adjustment groove, a plurality of expansion bolt mounting holes are provided in the middle of the top surface of the beam adjustment groove, a plurality of beam decoration strip clamping grooves are provided on one side of the plurality of expansion bolt mounting holes and on the top surface of the beam adjustment groove, the plurality of beam decoration strip clamping grooves are all clamped on the lower side of the beam decoration molding strip, and the middle of the top surface of the beam adjustment groove abuts against one side of the plurality of adjustable support mechanisms.

[0013] Furthermore, a beam pattern is provided on one side of the beam decorative strip, and a plurality of beam decorative strip hooks are provided on the other side of the beam decorative strip, and the plurality of beam decorative strip hooks are respectively engaged with the beam decorative strip slots.

[0014] Furthermore, the adjustable supporting mechanism includes a fixed adjusting block, fixed plug-in blocks are symmetrically provided on both sides of the fixed adjusting block, and a plurality of the fixed plug-in blocks are respectively inserted into the fixing grooves of the adjusting mechanism, two ends of the fixed adjusting block are respectively rotationally connected to one end of the first rocker arm, the other ends of the plurality of the first rockers are respectively rotationally connected to one end of the second rocker arm, the other ends of the plurality of the second rockers are respectively rotationally connected to two ends of the movable adjusting block, one side of the movable adjusting block and the middle part of the movable adjusting block are rotationally connected to one end of the adjusting bolt, and the middle part of the adjusting bolt is threadedly connected to the middle part of the fixed adjusting block.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The vertical frames on both sides of the door frame are adjusted by the vertical frame adjustment mechanism in cooperation with the adjustable supporting mechanism, and the horizontal beam at the upper end of the door frame is adjusted by the horizontal beam adjustment mechanism in cooperation with the adjustable supporting mechanism to adapt to door openings of different sizes. While improving the production efficiency of the door frame and reducing the production cost, it can also adapt to the installation of doors and walls of different sizes within a certain range, thereby improving the installation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the appearance structure of the present invention;

[0018] Figure 2 It is a schematic diagram of the internal structure of the present invention;

[0019] Figure 3 It is a top view cutaway schematic diagram of the internal structure of the present invention;

[0020] Figure 4 It is a side cutaway schematic diagram of the internal structure of the present invention;

[0021] Figure 5 It is a schematic diagram of the structure of the inner door frame and the threshold strip of the present invention;

[0022] Figure 6 It is a schematic diagram of the structure of the threshold strip of the present invention;

[0023] Figure 7 It is a schematic diagram of the split section of the vertical frame adjustment mechanism structure of the present invention;

[0024] Figure 8 It is a schematic diagram of the structure disassembly of the crossbeam adjustment mechanism of the present invention;

[0025] Fig. 9 It is a schematic diagram of the structure of the adjustable support mechanism of the present invention;

[0026] Fig.10 It is a schematic diagram of the installation structure of the adjustable support mechanism of the present invention.

[0027] In the figure: 1. Inner door frame; 11. Adjustment limit limit strip; 12. Adjustment mechanism operation round hole; 13. Expansion bolt operation square hole; 14. Grouting groove; 15. Adjustment mechanism fixing groove; 2. Door sill strip; 21. Paving pressure strip; 22. Paving fixing hole; 3. Mullion adjustment mechanism; 31. Mullion adjustment sleeve; 311. Mullion adjustment groove; 312. Mullion adjustment limit strip; 313. Expansion bolt installation hole; 314. Mullion decorative strip slot; 32. Mullion decorative molding strip; 321. Mullion molding pattern ; 322, vertical frame decorative strip hook; 4, beam adjustment mechanism; 41, beam adjustment sleeve; 411, vertical frame sleeve avoidance groove; 412, beam adjustment groove; 413, beam adjustment limit strip; 414, beam decorative strip slot; 42, beam decorative molding strip; 421, beam molding pattern; 422, beam decorative strip hook; 5, adjustable support mechanism; 51, fixed adjustment block; 511, fixed plug block; 52, first rocker; 53, second rocker; 54, movable adjustment block; 55, adjustment bolt. DETAILED DESCRIPTION

[0028] 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.

[0029] 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.

[0030] 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.

[0031] For example, please refer to Figure 1-4 A door frame suitable for adjustment comprises an inner door frame 1, a threshold strip 2 is provided at the lower end of the inner door frame 1, vertical frame adjustment mechanisms 3 are symmetrically provided on both sides of the inner door frame 1, a crossbeam adjustment mechanism 4 is provided at the upper end of the inner door frame 1, and a plurality of adjustable supporting mechanisms 5 are respectively provided on both sides and the upper end of the inner door frame 1.

[0032] For example, please refer to Figure 5 , adjustment limit limit strips 11 are provided on both sides of the inner door frame 1, and a plurality of adjustment mechanism operating circular holes 12 are respectively opened on both sides and the middle top surface of the inner door frame 1, and expansion bolt operating square holes 13 are respectively opened between the plurality of adjustment mechanism operating circular holes 12, and a grouting groove 14 is opened on the outer wall of the inner door frame 1, and a plurality of adjustment mechanism fixing grooves 15 are respectively opened on both sides of the grouting groove 14, and the plurality of adjustment mechanism fixing grooves 15 are respectively plugged into and matched with one end of the adjustable support mechanism 5. This design adjusts the adjustable support mechanism 5 through the adjustment mechanism operating circular hole 12, and drives the collision bolt through the expansion bolt mounting hole 313 into the wall through the expansion bolt operating square hole 13, and then tightens the bolt to fix the vertical frame adjustment mechanism 3 and the beam adjustment mechanism 4 to the door opening.

[0033] For example, please refer to Figure 5-6 The two ends of the threshold strip 2 are respectively fixedly connected to the two ends of the lower part of the inner door frame 1, and a paving strip 21 is provided on one side of the bottom surface of the threshold strip 2. A plurality of paving fixing holes 22 are opened in the middle of the paving strip 21. This design facilitates the paving of floor tiles and floors in combination with the paving of the threshold strip 2 through the paving strip 21.

[0034] For example, please refer to Figure 7 The mullion adjustment mechanism 3 includes a mullion adjustment sleeve 31, one side of the mullion adjustment sleeve 31 is slidably connected to the two sides of the inner door frame 1, the inner side of the mullion adjustment sleeve 31 abuts against one side of the adjustable support mechanism 5, and the other side of the mullion adjustment sleeve 31 is clamped with the mullion decorative molding strip 32. This design is convenient for disassembly and assembly according to different needs through the movable connection between the mullion decorative molding strip 32 and the mullion adjustment sleeve 31, so as to facilitate the replacement of different styles of decorative patterns.

[0035] For example, please refer to Figure 7 The cam 314 is provided with a plurality of holes 315 for mounting the bracket 316 on the rear of the bracket 316. The cam 314 is provided with a plurality of holes 316 for mounting the bracket 316 on the rear of the bracket 316. The cam 314 is provided with a plurality of holes 315 for mounting the bracket 316 on the rear of the bracket 316. The cam 314 is provided with a plurality of holes 315 for mounting the bracket 316 on the rear of the bracket 316. The cam 314 is provided with a plurality of holes 315 for mounting the bracket 316 on the rear of the bracket 316. The cam 314 is provided with a plurality of holes 315 for mounting the bracket 316 on the rear of the bracket 316. The cam 314 is provided with a plurality of holes 315 for mounting the bracket 316 on the rear of the bracket 316. The cam 314 is provided with a plurality of holes 315 for mounting the bracket 316 on the rear of the bracket 316. The cam 314 is provided with a plurality of holes 315 for mounting the bracket 316 on the rear of the bracket 316. The cam 314 is provided with a plurality of holes 315 for mounting the bracket 316 on the rear of the bracket 316.

[0036] For example, please refer to Figure 7 A vertical frame pattern 321 is provided on one side of the vertical frame decorative strip 32, and a plurality of vertical frame decorative strip hooks 322 are provided on the other side of the vertical frame decorative strip 32. The plurality of vertical frame decorative strip hooks 322 are respectively connected to the vertical frame decorative strip slots 314. This design provides different decorative styles through the vertical frame pattern 321 to form different styles.

[0037] For example, please refer to Figure 8 The beam adjustment mechanism 4 includes a beam adjustment sleeve 41, one side of the beam adjustment sleeve 41 is slidably connected to the upper end of the inner door frame 1, the inner top surface of the beam adjustment sleeve 41 abuts against one side of the adjustable support mechanism 5, and the outer top surface of the beam adjustment sleeve 41 is clamped with a beam decorative molding strip 42. This design facilitates disassembly and assembly according to different needs through the movable connection between the beam decorative molding strip 42 and the beam adjustment sleeve 41, so as to facilitate the replacement of decorative patterns of different styles.

[0038] For example, please refer to Figure 8 , the two ends of the crossbeam adjustment sleeve 41 are respectively provided with vertical frame sleeve avoidance grooves 411, the lower part of the crossbeam adjustment sleeve 41 is provided with a crossbeam adjustment groove 412, and the two ends of one side of the crossbeam adjustment groove 412 are symmetrically provided with crossbeam adjustment limit strips 413, and the middle part of the top surface of the crossbeam adjustment groove 412 is provided with a plurality of expansion bolt mounting holes 313, and one side of the plurality of expansion bolt mounting holes 313 and the top surface of the crossbeam adjustment groove 412 are provided with a plurality of crossbeam decorative strip card slots 414, and the plurality of crossbeam decorative strip card slots 414 are It is clamped on the lower side of the beam decorative molding strip 42, and the middle of the top surface of the beam adjustment groove 412 abuts against one side of the multiple adjustable support mechanisms 5. This design provides sliding adjustment space for the vertical frame adjustment sleeve 31 and the vertical frame decorative molding strip 32 through the vertical frame sleeve avoidance groove 411, provides a beam adjustment space through the beam adjustment groove 412, prevents the beam adjustment sleeve 41 from slipping through the beam adjustment limit strip 413 and the adjustment limit limit strip 11, and facilitates the fixing, installation and removal of the beam decorative molding strip 42 through the beam decorative strip clamping groove 414.

[0039] For example, please refer to Figure 8 A beam pattern 421 is provided on one side of the beam decorative strip 42, and a plurality of beam decorative strip hooks 422 are provided on the other side of the beam decorative strip 42. The plurality of beam decorative strip hooks 422 are respectively connected to the beam decorative strip slots 414. This design provides different decorative patterns through the beam pattern 421 to form different styles.

[0040] For example, please refer to Figure 9-10The adjustable supporting mechanism 5 comprises a fixed adjusting block 51, and fixed plug-in blocks 511 are symmetrically arranged on both sides of the fixed adjusting block 51, and a plurality of the fixed plug-in blocks 511 are respectively inserted into the adjusting mechanism fixing grooves 15, and the two ends of the fixed adjusting block 51 are respectively rotatably connected to one end of the first rocking arm 52, and the other ends of the plurality of the first rocking arms 52 are respectively rotatably connected to one end of the second rocking arms 53, and the other ends of the plurality of the second rocking arms 53 are respectively rotatably connected to the two ends of the movable adjusting block 54, and one side of the movable adjusting block 54, and the middle part of the movable adjusting block 54 are rotatably connected to one end of the adjusting bolt 55, and the middle part of the adjusting bolt 55 is threadedly connected to the middle part of the fixed adjusting block 51, and support springs 56 are symmetrically arranged on both sides of one end of the plurality of the second rocking arms 53. This design adjusts the distance between the movable adjusting block 54 and the fixed adjusting block 51 by rotating the adjusting bolt 55 to threadably cooperate with the fixed adjusting block 51, thereby adjusting the size of the vertical frame adjusting mechanism 3 and the beam adjusting mechanism 4, so as to adapt to door openings of different sizes.

[0041] Operation principle: First, install the matched beam decorative molding strip 42 on one side of the beam adjustment sleeve 41, and install the vertical frame decorative molding strip 32 on one side of the vertical frame adjustment sleeve 31. Then, according to the size of the door opening, pass through the adjustment mechanism operating circular hole 12, and reduce the distance between the movable adjustment block 54 and the fixed adjustment block 51 by rotating the adjusting bolt 55 threadedly to cooperate with the fixed adjustment block 51, thereby reducing the size of the vertical frame adjustment mechanism 3 and the horizontal beam adjustment mechanism 4, and put the door frame into the door opening. Then, expand the distance between the movable adjustment block 54 and the fixed adjustment block 51 by rotating the adjusting bolt 55 threadedly to cooperate with the fixed adjustment block 51, so that the vertical frame adjustment mechanism 3 and the horizontal beam adjustment mechanism 4 are close to the inside of the door opening, and then use the expansion bolt operating square hole 13 to drive the collision bolt through the expansion bolt installation hole 313 into the wall, and then tighten the bolt to fix the vertical frame adjustment mechanism 3 and the horizontal beam adjustment mechanism 4 to the door opening, thereby completing the installation of the door frame.

[0042] The above is an exemplary description of the present invention in conjunction 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. An adjustable door frame, characterized in that: The invention comprises an inner door frame (1), wherein a threshold strip (2) is provided at the lower end of the inner door frame (1), vertical frame adjustment mechanisms (3) are symmetrically provided on both sides of the inner door frame (1), a crossbeam adjustment mechanism (4) is provided at the upper end of the inner door frame (1), and a plurality of adjustable support mechanisms (5) are respectively provided on both sides and the upper end of the inner door frame (1); The inner door frame (1) is provided with adjustment limit limit strips (11) on both sides, and a plurality of adjustment mechanism operation circular holes (12) are respectively provided on both sides and the middle top surface of the inner door frame (1), and expansion bolt operation square holes (13) are respectively provided between the plurality of adjustment mechanism operation circular holes (12), and the outer wall of the inner door frame (1) is provided with a grouting groove (14), and a plurality of adjustment mechanism fixing grooves (15) are respectively provided on both sides of the grouting groove (14), and the plurality of adjustment mechanism fixing grooves (15) are respectively plugged into and matched with one end of the adjustable support mechanism (5); The two ends of the threshold strip (2) are respectively fixedly connected to the two ends of the lower part of the inner door frame (1); a paving strip (21) is provided on one side of the bottom surface of the threshold strip (2); and a plurality of paving fixing holes (22) are provided in the middle of the paving strip (21); The mullion adjustment mechanism (3) comprises a mullion adjustment sleeve (31), one side of the mullion adjustment sleeve (31) is slidably connected to two sides of the inner door frame (1), one side of the inner side of the mullion adjustment sleeve (31) abuts against one side of the adjustable support mechanism (5), and the other side of the mullion adjustment sleeve (31) is clamped to the mullion decorative molding strip (32); A mullion adjustment groove (311) is provided on one side of the mullion adjustment sleeve (31), and mullion adjustment limit strips (312) are symmetrically provided at both ends of one side of the mullion adjustment groove (311), and a plurality of expansion bolt mounting holes (313) are provided in the middle of the other side of the mullion adjustment groove (311), and a plurality of mullion decorative strip clamping grooves (314) are provided on one side of the plurality of expansion bolt mounting holes (313) and on the other side of the mullion adjustment groove (311), and the plurality of mullion decorative strip clamping grooves (314) are all clamped on one side of the mullion decorative molding strip (32), and the middle of the other side of the mullion adjustment groove (311) abuts against one side of the plurality of adjustable support mechanisms (5); The crossbeam adjustment mechanism (4) comprises a crossbeam adjustment sleeve (41), one side of the crossbeam adjustment sleeve (41) is slidably connected to the upper end of the inner door frame (1), the inner top surface of the crossbeam adjustment sleeve (41) abuts against one side of the adjustable support mechanism (5), and the outer top surface of the crossbeam adjustment sleeve (41) is clamped to the crossbeam decorative molding strip (42); The adjustable support mechanism (5) comprises a fixed adjustment block (51), fixed plug blocks (511) are symmetrically arranged on both sides of the fixed adjustment block (51), a plurality of the fixed plug blocks (511) are respectively plugged into the adjustment mechanism fixing slots (15), two ends of the fixed adjustment block (51) are respectively rotatably connected to one end of a first rocking rod (52), the other ends of the plurality of first rocking rods (52) are respectively rotatably connected to one end of a second rocking rod (53), the other ends of the plurality of second rocking rods (53) are respectively rotatably connected to two ends of a movable adjustment block (54), one side of the movable adjustment block (54), the middle part of the movable adjustment block (54) is rotatably connected to one end of an adjustment bolt (55), and the middle part of the adjustment bolt (55) is threadedly connected to the middle part of the fixed adjustment block (51); The two ends of the crossbeam adjustment sleeve (41) are respectively provided with vertical frame sleeve avoidance grooves (411); the lower part of the crossbeam adjustment sleeve (41) is provided with a crossbeam adjustment groove (412); two ends of one side of the crossbeam adjustment groove (412) are symmetrically provided with crossbeam adjustment limit strips (413); a plurality of expansion bolt installation holes (313) are provided in the middle of the top surface of the crossbeam adjustment groove (412); a plurality of crossbeam decoration strip clamping grooves (414) are provided on one side of the plurality of expansion bolt installation holes (313) and on the top surface of the crossbeam adjustment groove (412); the plurality of crossbeam decoration strip clamping grooves (414) are all clamped to the lower side of the crossbeam decoration strip (42); and the middle of the top surface of the crossbeam adjustment groove (412) abuts against one side of the plurality of adjustable support mechanisms (5).

2. The adjustable entrance door frame according to claim 1, characterized in that: A mullion pattern (321) is provided on one side of the mullion decorative strip (32), and a plurality of mullion decorative strip hooks (322) are provided on the other side of the mullion decorative strip (32), wherein the plurality of mullion decorative strip hooks (322) are respectively engaged with the mullion decorative strip slots (314).

3. The adjustable entrance door frame according to claim 1, characterized in that: A cross-beam decorative strip (42) is provided with a cross-beam decorative pattern (421) on one side, and a plurality of cross-beam decorative strip hooks (422) are provided on the other side of the cross-beam decorative strip (42), wherein the plurality of cross-beam decorative strip hooks (422) are respectively engaged with the cross-beam decorative strip slots (414).

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