Template structure of irregular concrete frame column

Abstract

The utility model discloses a template structure of an irregular concrete frame column, which comprises a frame column template mechanism which is formed into the irregular concrete frame column through pouring and four square and round buckles which are arranged around the frame column template mechanism in a surrounding manner, the frame column formwork mechanism comprises a first side formwork, a second side formwork, a third side formwork and a fourth side formwork which are sequentially arranged in a surrounding mode. The first side formwork comprises a first outer formwork, a first telescopic supporting piece and a first inner formwork. The second side template comprises a second outer template, a second telescopic supporting piece and a second inner template; the third side formwork comprises a third outer formwork, a third telescopic supporting piece and a third inner formwork. The fourth side template comprises a first L-shaped inner template, a second L-shaped inner template, an angular template and a fourth outer template; the four square and round buckles are arranged outside the first outer formwork, the second outer formwork, the third outer formwork and the fourth outer formwork in a surrounding mode respectively. The formwork erecting device is simple in structure, capable of effectively meeting the formwork erecting requirement of irregular concrete frame column pouring construction, firm, reliable and convenient to reuse.

Description

Technical Field

[0001] The utility model belongs to the technical field of building templates, in particular to a template structure of an irregular concrete frame column. Background Art

[0002] Temporary support structures such as building formwork are often used in the construction process to keep the poured concrete in the molded structure in accordance with the design requirements. With the increase of irregular concrete frame column buildings, the formwork on the construction site of irregular concrete frame column buildings is not universal. The combination of conventional square timber and wooden formwork is more complicated and time-consuming.

[0003] In addition, during the actual pouring construction of irregular concrete frame columns, there may be phenomena such as mold expansion and slurry leakage during the pouring process due to the formwork not being fixed in place, which can easily affect the construction period and affect the overall molding quality of the appearance of the irregular concrete frame columns.

[0004] Therefore, there is a lack of a simple and reasonably designed formwork structure for irregular concrete frame columns, which is not only easy to assemble and reusable, but also strong and reliable, and can effectively adapt to the formwork requirements of the casting construction of irregular concrete frame columns, thereby improving the construction quality and construction period. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a formwork structure for irregular concrete frame columns in view of the deficiencies in the above-mentioned prior art. The formwork structure has a simple structure and a reasonable design. It is not only easy to assemble and reusable, but also firm and reliable. It can effectively adapt to the formwork requirements for the casting construction of irregular concrete frame columns, thereby improving the construction quality and construction period.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is: a template structure for irregular concrete frame columns, characterized in that it includes a frame column template mechanism cast into an irregular concrete frame column and four square and round buckles arranged around the frame column template mechanism, the frame column template mechanism includes a first side template, a second side template, a third side template and a fourth side template which are arranged in sequence;

[0007] The first side template includes a first outer template, a plurality of first telescopic supports arranged on the first outer template, and a first inner template connected to the plurality of first telescopic supports;

[0008] The second side template includes a second outer template, a plurality of second telescopic supports arranged on the second outer template, and a second inner template connected to the plurality of second telescopic supports;

[0009] The third side formwork comprises a third outer formwork, a plurality of third telescopic supports arranged on the third outer formwork, and a third inner formwork connected to the plurality of third telescopic supports;

[0010] The fourth side template includes a first L-shaped inner template abutting against the first inner template, a second L-shaped inner template abutting against the first L-shaped inner template, and an angle template abutting against the second L-shaped inner template, and a fourth outer template affixed to the outer ends of the first L-shaped inner template, the second L-shaped inner template, and the angle template;

[0011] The four square and round buckles are respectively arranged outside the first outer template, the second outer template, the third outer template and the fourth outer template.

[0012] The above-mentioned formwork structure of an irregular concrete frame column is characterized in that: a plurality of first tension screws are inserted into the first right-angled side plate of the first inner formwork and the first L-shaped inner formwork, and a plurality of second tension screws are inserted into the first right-angled side plate of the first L-shaped inner formwork, the first right-angled side plate of the second L-shaped inner formwork, and the right-angled side plate of the angle formwork;

[0013] The length of the first right-angled side plate of the second L-shaped inner template is less than the length of the first right-angled side plate of the first L-shaped inner template, so that the second right-angled side plate of the second L-shaped inner template abuts against the first right-angled side plate of the first L-shaped inner template;

[0014] The right-angle side plate of the angle template fits the first right-angle side plate of the second L-shaped inner template.

[0015] The above-mentioned formwork structure of an irregular concrete frame column is characterized in that: the third inner formwork is an L-shaped inner formwork, the third inner formwork comprises a first right-angled side plate arranged in contact with the second inner formwork and a second right-angled side plate arranged vertically in contact with the oblique side plate of the angle formwork, and the first right-angled side plate is connected to a plurality of third telescopic supports;

[0016] The connection between the first inner template and the second right-angled side plate of the first L-shaped inner template is reinforced by a first L-shaped angle steel;

[0017] The connection between the first inner template and the second inner template is reinforced by a second L-shaped angle steel;

[0018] The connection between the second right-angle side plate of the third inner template and the bevel side plate of the angle template is reinforced by a third L-shaped angle steel.

[0019] The connection between the second inner formwork and the first right-angle side plate of the third inner formwork is reinforced by a bent steel plate.

[0020] The above-mentioned formwork structure of an irregular concrete frame column is characterized in that: the first telescopic support member includes a plurality of first supporting square steels arranged along the length direction of the first inner formwork and a plurality of groups of first adjustment components respectively supporting the plurality of first supporting square steels, each group of the first adjustment components includes a plurality of first adjustment members arranged along the height direction of the first inner formwork, the first adjustment member includes a first sleeve arranged on the first outer formwork, a first screw rod with one end extending into the first sleeve and threadedly connected, a first nut threadedly sleeved on the first screw rod and fitting the first sleeve, and the first supporting square steel is tightly fitted with the protruding end of the first screw rod.

[0021] The above-mentioned formwork structure of an irregular concrete frame column is characterized in that: the second telescopic support member includes a plurality of second supporting square steels arranged along the length direction of the second inner formwork and a plurality of groups of second adjustment components respectively supporting the plurality of second supporting square steels, each group of the second adjustment components includes a plurality of second adjustment members arranged along the height direction of the second inner formwork, the second adjustment member includes a second sleeve arranged on the second outer formwork, a second screw rod with one end extending into the second sleeve and threadedly connected, a second nut threadedly sleeved on the second screw rod and fitting the second sleeve, and the second supporting square steel is tightly fitted with the protruding end of the second screw rod.

[0022] The above-mentioned template structure for an irregular concrete frame column is characterized in that: the third telescopic support member includes a plurality of third supporting square steels arranged along the length direction of the third inner template and a plurality of groups of third adjustment components respectively supporting the plurality of third supporting square steels, and each group of the third adjustment components includes a plurality of third adjustment members arranged along the height direction of the third inner template;

[0023] The third adjusting member includes a third sleeve arranged on the third outer template, a ball stud with one end extending into the third sleeve and threadedly connected, and a third nut threadedly sleeved on the ball stud and fitting the third sleeve. The third supporting square steel fits with the ball stud.

[0024] Compared with the prior art, the utility model has the following advantages:

[0025] 1. The utility model arranges a first side formwork, a second side formwork, a third side formwork and a fourth side formwork to realize the erection of the four-side formworks of the irregular concrete frame column, so that the irregular section can be converted into the splicing of the regular formwork, thereby adapting to the casting construction of the irregular concrete frame column, and by surrounding the square and round buckles, the reinforcement stability of the formwork is improved, thereby improving the subsequent casting and molding quality.

[0026] 2. The utility model forms the template enclosure of the irregular side of the irregular concrete frame column by setting the first L-shaped inner template, the second L-shaped inner template and the angle template, which abut against each other, are firmly connected, and are easy to obtain materials, thereby reducing the difficulty of erection.

[0027] 3. The utility model is provided with a first telescopic support member, a second telescopic support member and a third telescopic support member, which respectively adjust the positions of the first inner template, the second inner template and the third inner template, thereby adapting to different cross-sectional sizes and improving adaptability.

[0028] To sum up, the utility model has a simple structure and a reasonable design. It is not only easy to assemble and reusable, but also firm and reliable. It can effectively adapt to the formwork requirements for pouring construction of irregular concrete frame columns, thereby improving construction quality and construction period.

[0029] The technical solution of the utility model is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a structural schematic diagram of the utility model.

[0031] Figure 2 It is a schematic structural diagram of the first telescopic support member (second telescopic support member) of the utility model.

[0032] Figure 3 It is a schematic structural diagram of the third telescopic support member of the utility model.

[0033] Description of reference numerals:

[0034] 1—first side formwork; 1-1—first inner formwork; 1-2—first telescopic support member;

[0035] 1-2-1—first sleeve; 1-2-2—first screw rod; 1-2-3—first supporting square steel;

[0036] 1-2-4—first nut; 1-3—first outer template; 1-4—first L-shaped angle steel;

[0037] 2—second side formwork; 2-1—second inner formwork; 2-2—second telescopic support member;

[0038] 2-2-1—second sleeve; 2-2-2—second screw rod; 2-2-3—second supporting square steel;

[0039] 2-2-4—second nut; 2-3—second outer template; 2-4—second L-shaped angle steel;

[0040] 3—third side formwork; 3-1—third inner formwork; 3-2—third telescopic support member;

[0041] 3-2-1—third sleeve; 3-2-2—ball stud; 3-2-3—third supporting square steel;

[0042] 3-2-4—third nut; 3-3—third outer template; 3-4—third L-shaped angle steel;

[0043] 3-5—bent steel plate; 4—first L-shaped inner template; 5—second L-shaped inner template;

[0044] 6—angle template; 6-1—right angle edge plate; 6-2—bevel edge plate;

[0045] 7—the fourth outer template; 8—the first tensioning screw rod; 9—the second tensioning screw rod;

[0046] 10—Irregular concrete frame column; 11—Square and round buckles. DETAILED DESCRIPTION

[0047] like Figures 1 to 3 As shown, the utility model includes a frame column template mechanism for casting and forming an irregular concrete frame column 10 and four square and round buckles 11 arranged around the frame column template mechanism, and the frame column template mechanism includes a first side template 1, a second side template 2, a third side template 3 and a fourth side template arranged in sequence;

[0048] The first side formwork 1 comprises a first outer formwork 1-3, a plurality of first telescopic supports 1-2 arranged on the first outer formwork 1-3, and a first inner formwork 1-1 connected to the plurality of first telescopic supports 1-2;

[0049] The second side formwork 2 includes a second outer formwork 2-3, a plurality of second telescopic supports 2-2 arranged on the second outer formwork 2-3, and a second inner formwork 2-1 connected to the plurality of second telescopic supports 2-2;

[0050] The third side formwork 3 comprises a third outer formwork 3-3, a plurality of third telescopic supports 3-2 arranged on the third outer formwork 3-3, and a third inner formwork 3-1 connected to the plurality of third telescopic supports 3-2;

[0051] The fourth side template includes a first L-shaped inner template 4 abutting against the first inner template 1-1, a second L-shaped inner template 5 abutting against the first L-shaped inner template 4, and an angle template 6 abutting against the second L-shaped inner template 5, and a fourth outer template 7 attached to the outer ends of the first L-shaped inner template 4, the second L-shaped inner template 5 and the angle template 6;

[0052] The four square and round buckles 11 are respectively arranged outside the first outer template 1-3, the second outer template 2-3, the third outer template 3-3 and the fourth outer template 7.

[0053] In this embodiment, a plurality of first tension screws 8 are inserted into the first right-angled side plate of the first inner template 1-1 and the first L-shaped inner template 4, and a plurality of second tension screws 9 are inserted into the first right-angled side plate of the first L-shaped inner template 4, the first right-angled side plate of the second L-shaped inner template 5, and the right-angled side plate of the angle template 6;

[0054] The length of the first right-angled side plate of the second L-shaped inner template 5 is less than the length of the first right-angled side plate of the first L-shaped inner template 4, so that the second right-angled side plate of the second L-shaped inner template 5 abuts against the first right-angled side plate of the first L-shaped inner template 4;

[0055] The right-angle side plate 6 - 1 of the angle template 6 fits in with the first right-angle side plate of the second L-shaped inner template 5 .

[0056] In this embodiment, the third inner template 3-1 is an L-shaped inner template, and the third inner template 3-1 includes a first right-angled edge plate arranged in contact with the second inner template 2-1 and a second right-angled edge plate arranged vertically in contact with the beveled edge plate of the angle template 6, and the first right-angled edge plate is connected to a plurality of third telescopic supports 3-2;

[0057] The connection between the first inner template 1-1 and the second right-angled side plate of the first L-shaped inner template 4 is reinforced by a first L-shaped angle steel 1-4;

[0058] The connection between the first inner formwork 1-1 and the second inner formwork 2-1 is reinforced by a second L-shaped angle steel 2-4;

[0059] The connection between the second right-angled side plate of the third inner formwork 3-1 and the beveled side plate 6-2 of the angle formwork 6 is reinforced by a third L-shaped angle steel 3-4.

[0060] The connection between the first right-angled side plates of the second inner formwork 2-1 and the third inner formwork 3-1 is reinforced by a bent steel plate 3-5.

[0061] In this embodiment, the first telescopic support member 1-2 includes a plurality of first supporting square steels 1-2-3 arranged along the length direction of the first inner template 1-1 and a plurality of groups of first adjusting components respectively supporting the plurality of first supporting square steels 1-2-3, each group of the first adjusting components includes a plurality of first adjusting members arranged along the height direction of the first inner template 1-1, the first adjusting member includes a first sleeve 1-2-1 arranged on the first outer template 1-3, a first screw 1-2-2 with one end extending into the first sleeve 1-2-1 and threadedly connected, a first nut 1-2-4 threadedly sleeved on the first screw 1-2-2 and fitting the first sleeve 1-2-1, and the first supporting square steel 1-2-3 fits tightly with the protruding end of the first screw 1-2-2.

[0062] In this embodiment, the second telescopic support member 2-2 includes a plurality of second supporting square steels 2-2-3 arranged along the length direction of the second inner template 2-1 and a plurality of groups of second adjusting components respectively supporting the plurality of second supporting square steels 2-2-3, each group of the second adjusting components includes a plurality of second adjusting members arranged along the height direction of the second inner template 2-1, the second adjusting member includes a second sleeve 2-2-1 arranged on the second outer template 2-3, a second screw 2-2-2 with one end extending into the second sleeve 2-2-1 and threadedly connected, a second nut 2-2-4 threadedly sleeved on the second screw 2-2-2 and fitting the second sleeve 2-2-1, and the second supporting square steel 2-2-3 fits tightly with the protruding end of the second screw 2-2-2.

[0063] In this embodiment, the third telescopic support member 3-2 includes a plurality of third supporting square steels 3-2-3 arranged along the length direction of the third inner template 3-1 and a plurality of groups of third adjustment components respectively supporting the plurality of third supporting square steels 3-2-3, and each group of the third adjustment components includes a plurality of third adjustment members arranged along the height direction of the third inner template 3-1;

[0064] The third adjusting member includes a third sleeve 3-2-1 arranged on the third outer template 3-3, a ball stud 3-2-2 with one end extending into the third sleeve 3-2-1 and threadedly connected, and a third nut 3-2-4 threadedly sleeved on the ball stud 3-2-2 and fitting the third sleeve 3-2-1. The third supporting square steel 3-2-3 fits with the ball stud 3-2-2.

[0065] In this embodiment, the first outer template 1-3, the second outer template 2-3, and the third outer template 3-3 are provided to facilitate the installation of the first sleeve 1-2-1 in the first adjustment component, the installation of the second sleeve 2-2-1 in the second adjustment component, and the installation of the third sleeve 3-2-1 in the third adjustment component to meet the subsequent nut and screw adjustment inner template position requirements; the fourth side template is provided to affix the first L-shaped inner template 4, the second L-shaped inner template 5 and the outer ends of the angle template 6 to achieve the limited fixation of the first L-shaped inner template 4, the second L-shaped inner template 5 and the outer ends of the angle template 6; in addition, the outer template is further reinforced to facilitate the enclosure of the four square and round buckles 11, and the mutual cooperation improves the stability.

[0066] In this embodiment, a first tensioning screw 8 and a second tensioning screw 9 are provided to fix the first L-shaped inner template 4, the second L-shaped inner template 5 and the angle template 6 relative to the first inner template 1-1;

[0067] Furthermore, by providing the first L-shaped angle steel 1-4, the second L-shaped angle steel 2-4, the third L-shaped angle steel 3-4 and the bent steel plate 3-5, the relative fixation between the first inner formwork 1-1, the second inner formwork 2-1 and the third inner formwork 3-1 is further strengthened, thereby improving the stability of the enclosed casting cavity.

[0068] In this embodiment, in actual use, a plurality of circular holes matching the ball head of the ball head bolt 3-2-2 are provided in the third supporting square steel 3-2-3, so that the third supporting square steel 3-2-3 and the ball head bolt 3-2-2 are hinged with the ball. In this way, the length of the ball head bolt 3-2-2 extending out of the third sleeve 3-2-1 can be adjusted by rotating the third nut 3-2-4, thereby realizing the adjustment of the inclination angle of the third outer formwork 3-3 to meet the requirements of the irregular slope of the irregular concrete frame column.

[0069] In this embodiment, during the specific implementation, a through threaded hole can also be opened in the ball head of the ball head bolt 3-2-2, so that after the third outer template 3-3 is adjusted into place, a countersunk screw can be inserted into the through threaded hole so that the countersunk screw can abut against the circular hole of the third supporting square steel 3-2-3 to achieve relative locking.

[0070] By rotating the first nut 1-2-4 and making the first nut 1-2-4 fit the first sleeve 1-2-1 during the rotation, the length of the first screw rod 1-2-2 extending out of the first sleeve 1-2-1 is adjusted, thereby adjusting the distance between the first inner template 1-1 and the first outer template 1-3 until the position requirement of the inner template is met;

[0071] By rotating the second nut 2-2-4 and making the second nut 2-2-4 fit the second sleeve 2-2-1 during rotation, the length of the second screw 2-2-2 extending out of the second sleeve 2-2-1 is adjusted, thereby adjusting the distance between the second inner template 2-1 and the second outer template 2-3 until the inner template position requirement is met.

[0072] Then, the first L-shaped inner formwork 4, the second L-shaped inner formwork 5 and the angle formwork 6 are installed, and a plurality of first tension screws 8 are inserted into the first right-angled side plate of the first inner formwork 1-1 and the first L-shaped inner formwork 4, a plurality of second tension screws 9 are inserted into the first right-angled side plate of the second L-shaped inner formwork 5 and the right-angled side plate of the angle formwork 6, and a fourth outer formwork 7 is attached to the outer ends of the first L-shaped inner formwork 4, the second L-shaped inner formwork 5 and the angle formwork 6 to realize the step surface formwork support of the irregular concrete frame column.

[0073] When the utility model is used specifically, by setting up the first side formwork 1, the second side formwork 2, the third side formwork 3 and the fourth side formwork, and arranging square and round buckles 11 on the periphery of the first outer formwork 1-3, the second outer formwork 2-3, the third outer formwork 3-3 and the fourth outer formwork 7, concrete is poured into the cavity surrounded by the first inner formwork 1-1, the second inner formwork 2-1, the third inner formwork 3-1, the second right-angle side plate of the first L-shaped inner formwork 4, the second right-angle side plate of the second L-shaped inner formwork 5 and the oblique side plate of the angle formwork 6, and finally an irregular concrete frame column is formed.

[0074] To sum up, the utility model has a simple structure and a reasonable design. It is not only easy to assemble and reusable, but also firm and reliable. It can effectively adapt to the formwork requirements for pouring construction of irregular concrete frame columns, thereby improving construction quality and construction period.

[0075] The above description is only a preferred embodiment of the present invention and does not constitute any limitation to the present invention. Any simple modification, change and equivalent structural change made to the above embodiment according to the technical essence of the present invention shall still fall within the protection scope of the technical solution of the present invention.

Claims

1. A formwork structure for irregular concrete frame columns, characterized in that: It comprises a frame column formwork mechanism for casting and forming an irregular concrete frame column (10) and four square and round buckles (11) arranged around the frame column formwork mechanism, wherein the frame column formwork mechanism comprises a first side formwork (1), a second side formwork (2), a third side formwork (3) and a fourth side formwork arranged in sequence; The first side formwork (1) comprises a first outer formwork (1-3), a plurality of first telescopic support members (1-2) arranged on the first outer formwork (1-3), and a first inner formwork (1-1) connected to the plurality of first telescopic support members (1-2); The second side formwork (2) comprises a second outer formwork (2-3), a plurality of second telescopic support members (2-2) arranged on the second outer formwork (2-3), and a second inner formwork (2-1) connected to the plurality of second telescopic support members (2-2); The third side formwork (3) comprises a third outer formwork (3-3), a plurality of third telescopic support members (3-2) arranged on the third outer formwork (3-3), and a third inner formwork (3-1) connected to the plurality of third telescopic support members (3-2); The fourth side template comprises a first L-shaped inner template (4) abutting against the first inner template (1-1), a second L-shaped inner template (5) abutting against the first L-shaped inner template (4), and an angle template (6) abutting against the second L-shaped inner template (5), and a fourth outer template (7) affixed to the outer ends of the first L-shaped inner template (4), the second L-shaped inner template (5) and the angle template (6); The four square and round buckles (11) are respectively arranged outside the first outer template (1-3), the second outer template (2-3), the third outer template (3-3) and the fourth outer template (7).

2. A formwork structure for irregular concrete frame columns according to claim 1, characterized in that: A plurality of first tension screws (8) are inserted into the first right-angled side plate of the first inner template (1-1) and the first L-shaped inner template (4); a plurality of second tension screws (9) are inserted into the first right-angled side plate of the first L-shaped inner template (4), the first right-angled side plate of the second L-shaped inner template (5), and the right-angled side plate of the angle template (6); The length of the first right-angled side plate of the second L-shaped inner template (5) is less than the length of the first right-angled side plate of the first L-shaped inner template (4), so that the second right-angled side plate of the second L-shaped inner template (5) abuts against the first right-angled side plate of the first L-shaped inner template (4); The right-angled side plate (6-1) of the angled template (6) fits the first right-angled side plate of the second L-shaped inner template (5).

3. A formwork structure for irregular concrete frame columns according to claim 2, characterized in that: The third inner template (3-1) is an L-shaped inner template, comprising a first right-angled edge plate arranged in contact with the second inner template (2-1) and a second right-angled edge plate arranged perpendicularly in contact with the oblique edge plate of the angled template (6), wherein the first right-angled edge plate is connected to a plurality of third telescopic support members (3-2); The connection between the first inner template (1-1) and the second right-angled side plate of the first L-shaped inner template (4) is reinforced by a first L-shaped angle steel (1-4); The connection between the first inner formwork (1-1) and the second inner formwork (2-1) is reinforced by a second L-shaped angle steel (2-4); The connection between the second right-angled side plate of the third inner template (3-1) and the beveled side plate (6-2) of the angle template (6) is reinforced by a third L-shaped angle steel (3-4); The connection between the first right-angled side plates of the second inner formwork (2-1) and the third inner formwork (3-1) is reinforced by a bent steel plate (3-5).

4. A formwork structure for irregular concrete frame columns according to claim 1, characterized in that: The first telescopic support member (1-2) comprises a plurality of first supporting square steels (1-2-3) arranged along the length direction of the first inner template (1-1) and a plurality of groups of first adjustment components respectively supporting the plurality of first supporting square steels (1-2-3); each group of the first adjustment components comprises a plurality of first adjustment members arranged along the height direction of the first inner template (1-1); the first adjustment member comprises a first sleeve (1-2-1) arranged on the first outer template (1-3); a first screw rod (1-2-2) having one end extending into the first sleeve (1-2-1) and being threadedly connected; and a first nut (1-2-4) threadedly sleeved on the first screw rod (1-2-2) and fitting the first sleeve (1-2-1); the first supporting square steel (1-2-3) is tightly fitted with the protruding end of the first screw rod (1-2-2).

5. A formwork structure for irregular concrete frame columns according to claim 4, characterized in that: The second telescopic support member (2-2) comprises a plurality of second supporting square steels (2-2-3) arranged along the length direction of the second inner template (2-1) and a plurality of groups of second adjustment components respectively supporting the plurality of second supporting square steels (2-2-3); each group of the second adjustment components comprises a plurality of second adjustment members arranged along the height direction of the second inner template (2-1); the second adjustment member comprises a second sleeve (2-2-1) arranged on the second outer template (2-3); a second screw rod (2-2-2) having one end extending into the second sleeve (2-2-1) and being threadedly connected; and a second nut (2-2-4) threadedly sleeved on the second screw rod (2-2-2) and fitting the second sleeve (2-2-1); the second supporting square steel (2-2-3) is tightly fitted with the protruding end of the second screw rod (2-2-2).

6. A formwork structure for irregular concrete frame columns according to claim 4, characterized in that: The third telescopic support member (3-2) comprises a plurality of third supporting square steels (3-2-3) arranged along the length direction of the third inner template (3-1) and a plurality of groups of third adjustment components respectively supporting the plurality of third supporting square steels (3-2-3), and each group of the third adjustment components comprises a plurality of third adjustment members arranged along the height direction of the third inner template (3-1); The third adjusting member comprises a third sleeve (3-2-1) arranged on the third outer template (3-3), a ball stud (3-2-2) with one end extending into the third sleeve (3-2-1) and threadedly connected, and a third nut (3-2-4) threadedly sleeved on the ball stud (3-2-2) and fitted with the third sleeve (3-2-1); the third supporting square steel (3-2-3) is fitted with the ball stud (3-2-2).

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