Modular keel

Abstract

The utility model discloses a modularized keel which comprises a keel module, a holding claw installation structure used for installing the keel module and an adjusting structure installed on the outer surface of the keel module, and the keel module comprises a plurality of main sectional materials with different lengths and corner connecting pieces installed on the main sectional materials and used for connecting any adjacent main sectional materials. The corner connecting piece is located at the connecting included angle position of any two main sectional materials, and the embracing claw installation structure comprises a plurality of embracing claw pieces installed on the side face of the keel module and a fixing face connecting piece installed on the corner connecting piece. The keel module is easy and convenient to install and operate, low in labor cost, high in construction efficiency and short in construction period; besides, when decoration is conducted again, the size of the original keel module can be adjusted, so that the keel module can be repeatedly used, and construction waste is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of interior decoration, in particular to a modular keel. Background Art

[0002] Keel is a kind of building material used to support the shape and fix the structure. It is widely used in hotels, terminal buildings, passenger stations, stations, theaters, shopping malls, factories, office buildings, old building renovation, interior decoration design, ceilings and other places. According to the different materials, keels can be divided into wooden keels, light steel keels, aluminum alloy keels, steel keels, etc. In addition, according to the use of the parts, it can also be divided into ceiling keels, vertical wall keels (partition wall keels), floor keels and hanging keels.

[0003] Partition walls and background walls are used in interior decoration in the market. In order to ensure the construction period and comply with the green building concept promoted by the country, some hotels and hospitals use keels for partitions. Sound insulation materials are filled into the hollow of the light steel keel for sound insulation treatment, and gypsum boards are installed on the keel. Then putty is applied on the surface of the gypsum boards on both sides, and then latex paint is applied on the putty surface or other decorations are performed. Decorative panels can also be directly installed. This type of keel partition wall cannot be used again when it is modified again, resulting in a large amount of construction waste, which does not comply with the green and healthy building promoted by the country.

[0004] Therefore, there is an urgent technical problem to be solved by providing a modular keel that can be quickly assembled and reused. Utility Model Content

[0005] The purpose of the utility model is to provide a modular keel to solve the problem that the existing light steel keel partition wall in the background technology cannot be reused.

[0006] In order to achieve the above-mentioned purpose, the utility model proposes a modular keel, which includes a keel module, a claw installation structure for installing the keel module, and an adjustment structure installed on the outer surface of the keel module.

[0007] Optionally, the keel module includes a plurality of main profiles of different lengths, and an angle connector installed on the main profile for connecting any adjacent main profiles, and the angle connector is located at the connecting angle between any two main profiles.

[0008] Optionally, the claw mounting structure includes a plurality of claw members mounted on the side surfaces of the keel module and a fixed surface connector mounted on the corner connector.

[0009] Optionally, the adjustment structure includes adjustment feet installed on the bottom surface of the keel module and an amplification connector installed on the top surface or side surface of the keel module.

[0010] Optionally, the main profile includes a square profile body, connecting grooves provided at four diagonal corners of the square profile body, a special-shaped mounting groove provided in the square profile body, and a convex portion formed between any two adjacent connecting grooves; the special-shaped mounting groove is used for the installation of the adjusting structure, and the connecting groove is used for the movable connection with an angle connecting member or a clamping claw member.

[0011] Optionally, the angle connecting member is formed by connecting two right-angle clamping plates with the same structure. The right-angle clamping plate includes a right-angle connecting portion arranged in a triangular shape, arc-shaped clamping plates provided on two right-angle sides of the right-angle connecting portion, an L-shaped connecting portion provided on the right-angle connecting portion at the hypotenuse of the triangle, and a screw installed at the central position of the right-angle connecting portion.

[0012] Optionally, the arc-shaped clamping plates are located in the connecting groove, and the two arc-shaped clamping plates on the two right-angle clamping plates form a sliding groove, and the convex portion is located in the sliding groove.

[0013] Optionally, a first mounting groove is provided at one end of the L-shaped connecting portion, and an L-shaped clamping portion is provided at the other end of the L-shaped connecting portion. The two right-angle clamping plates are in clamping fit through the first mounting groove and the L-shaped clamping portion.

[0014] Optionally, the clamping claw member includes an adjacent-side clamping claw member and a two-way clamping claw member; the fixed-surface connecting member includes an L-shaped fixing member and an angle connecting member. The adjacent-side clamping claw member and the two-way clamping claw member are both used for the movable connection with the square profile body; two first waist-shaped holes are provided on the L-shaped fixing member, and one of the first waist-shaped holes is connected to the adjacent-side clamping claw member or the two-way clamping claw member through a bolt, and the other first waist-shaped hole is connected to the fixed surface through a bolt; the angle connecting member is arranged in a U shape, and two second waist-shaped holes are provided on the angle connecting member, and the two second waist-shaped holes are movably connected to the adjacent-side clamping claw member or the two-way clamping claw member through bolts.

[0015] Optionally, the adjacent-side clamping claw member includes a first adjacent side, a second adjacent side movably installed on the first adjacent side through a bolt, the second adjacent side is arranged in an L shape, an arc-shaped block is provided on the first adjacent side, an avoidance groove corresponding to the arc-shaped block is provided on the second adjacent side, and first clamping claws are provided on both the first adjacent side and the second adjacent side, and the two first clamping claws face each other.

[0016] Optionally, the slotting directions of the two first waist-shaped holes are perpendicular to each other; the slot widths and slotting directions of the two second waist-shaped holes are the same.

[0017] Optionally, the bidirectional clamping jaw member includes a U-shaped plate, a second mounting groove provided on the U-shaped plate, a thickening block mounted in the second mounting groove, a first limiting plate provided on the U-shaped plate for limiting the thickening block, openings provided on the side surfaces at both ends of the U-shaped plate, a second limiting plate provided at the openings for limiting the thickening block, and a second clamping jaw provided on the U-shaped plate at the notch of the second mounting groove.

[0018] Optionally, the adjusting floor bolt in the adjusting structure includes a connecting column adapted to the special-shaped mounting groove, and a supporting block mounted at the bottom of the first connecting column; the amplification connecting member in the adjusting structure includes a connecting plate, and second connecting columns adapted to the special-shaped mounting groove mounted at both ends of the connecting plate.

[0019] Optionally, the amplification connecting member in the adjusting structure includes a square connecting block, and an amplification member mounted on the square surface of the square connecting block.

[0020] Compared with the prior art, the present utility model provides a modular keel, which has the following beneficial effects:

[0021] For this modular keel, through the setting of the keel module, the light steel keel is modularly arranged. After the size measurement is completed, assembly can be started directly. During use, the assembled keel module can be directly installed on the fixed surface through the clamping installation structure. The installation operation is simple and convenient, the labor cost is low, the construction efficiency is high, and the construction period is short; in addition, through the setting of the adjusting structure, the size of the keel module can be adjusted. Therefore, when redecorating, the size of the original keel module can be adjusted, so that the keel module can be reused, reducing construction waste. Description of the Drawings

[0022] Figure 1 is the overall structural schematic diagram of Embodiment 1 of the present utility model.

[0023] Figure 2 is the cross-sectional view of the main profile of the present utility model.

[0024] Figure 3 is the structural schematic diagram of the adjacent-side clamping jaw member of the present utility model.

[0025] Figure 4 is the structural schematic diagram of the first adjacent side of the present utility model.

[0026] Figure 5 is the structural schematic diagram of the second adjacent side of the present utility model.

[0027] Figure 6 is the structural schematic diagram of the bidirectional clamping jaw member of the present utility model.

[0028] Figure 7 is the structural schematic diagram of the corner connecting frame of the present utility model.

[0029] Figure 8 It is a schematic structural diagram of the right-angle clamping plate of the present utility model.

[0030] Fig. 9 It is a schematic structural diagram of the L-shaped fixing member of the present utility model.

[0031] Fig.10 It is a schematic structure of the angle connecting member of the present utility model.

[0032] Fig.11 It is a schematic structural diagram of the adjusting floor foot of the present utility model.

[0033] Fig.12 It is a schematic structural diagram of the amplification connecting member of the present utility model.

[0034] Fig.13 It is a schematic structural diagram of the amplification connecting member in Embodiment 2 of the present utility model.

[0035] Identifications in the figure: 1, keel module; 2, claw mounting structure; 3, adjusting structure; 4, main profile; 41, square profile body; 42, connecting groove; 43, special-shaped mounting groove; 44, protruding part; 5, corner connecting member; 51, right-angle clamping plate; 52, right-angle connecting part; 53, arc clamping plate; 54, L-shaped connecting part; 541, first mounting groove; 542, L-shaped clamping part; 55, screw; 56, sliding groove; 6, claw member; 61, adjacent-edge claw member; 611, first adjacent edge; 612, second adjacent edge; 613, arc block; 614, avoiding groove; 615, first claw; 62, two-way claw member; 621, C-shaped plate; 622, second mounting groove; 623, thickening block; 624, first limiting plate; 625, opening; 626, second limiting plate; 627, second claw; 7, fixed-surface connecting member; 71, L-shaped fixing member; 711, first waist-shaped hole; 72, angle connecting member; 721, second waist-shaped hole; 8, adjusting floor foot; 81, connecting column; 82, supporting block; 9, amplification connecting member; 91, connecting plate; 92, second connecting column; 93, square connecting block; 94, amplification member. Specific embodiments

[0036] The following is a detailed description in combination with the accompanying drawings and specific embodiments. Many specific details are set forth in the following description in order to fully understand the present utility model. However, the present utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0037] A modular keel of the present application can be applicable to occasions such as interior decoration, and of course can also be used in other similar application scenarios. A modular keel is described in detail below.

[0038] See attached Figure 1 — Fig.12 As shown, a schematic diagram of the structure of a preferred embodiment of a modular keel of the present application is shown. The modular keel comprises a keel module 1, a claw mounting structure 2 for mounting the keel module 1, and an adjustment structure 3 mounted on the outer surface of the keel module 1; wherein the keel module 1 comprises a plurality of main profiles 4 of different lengths, an angle connector 5 mounted on the main profile 4 for connecting any adjacent main profiles, and the angle connector 5 is located at the connection angle position of any two main profiles 4; the claw mounting structure 2 comprises a plurality of claw members 6 mounted on the side of the keel module 1, and a fixed surface connector 7 mounted on the angle connector 5; the adjustment structure 3 comprises an adjustment foot 8 mounted on the bottom surface of the keel module 1, and an expansion connector 9 mounted on the top surface or side surface of the keel module 1.

[0039] The utility model sets a main profile 4 and cooperates with an angle connector 5, so that multiple main profiles 4 can be connected to each other to form various frames, such as a rectangular body, a T-shaped body, etc., and the frame can be used for the installation of gypsum boards or decorative panels. Therefore, the keel module 1 can be assembled according to the dimensions measured in advance, so that when a partition wall is required, the assembled keel module 1 can be directly installed, thereby reducing the construction efficiency, reducing the number of construction days, and reducing labor costs; by setting the claw mounting structure 2, the keel module 1 can be installed on a fixed surface, wherein the fixed surface can be the ground, the wall, the beam, etc.; by adjusting the setting of the foot 8, the distance between the keel module 1 and the ground can be adjusted. It should be particularly noted that the adjusting foot 8 does not support the keel module 1. The keel module 1 is supported by bolts or the claw mounting structure 2. With the setting of the expansion connector 9, the keel module 1 can be widened or extended, thereby adjusting the size of the keel module 1, so that the keel module 1 can be reused and the generation of construction waste can be reduced.

[0040] See attached Figure 1 and Figure 2 As shown, in the utility model, the main profile 4 includes a square profile body 41, connecting grooves 42 arranged on the four diagonals of the square profile body 41, and special-shaped installation grooves 43 arranged on the square profile body 41, and a protrusion 44 is formed between any two adjacent connecting grooves 42; the special-shaped installation groove 43 is used to adjust the installation of the structure 3, and the connecting groove 42 is used to be movably connected with the corner connector 5 or the claw member 6.

[0041] The utility model is used for movably connecting with the claw member 6 through the setting of the connecting groove 42; is used for adjusting the installation of the foot 8 and the expansion connecting member 9 through the setting of the special-shaped installation groove 43; and is used for limiting the position of the claw member 6 through the setting of the protrusion 44, so as to prevent the claw member 6 from shaking when the claw member 6 is connected to the main profile 4.

[0042] See attached Figure 7 and Figure 8 As shown, in the utility model, the corner connector 5 is formed by connecting two right-angle clamps 51 of the same structure, the right-angle clamp 51 includes a right-angle connecting portion 52 arranged in a triangle, arc-shaped clamps 53 are arranged on the two right-angle sides of the right-angle connecting portion 52, an L-shaped connecting portion 54 is arranged on the right-angle connecting portion 52 at the hypotenuse of the triangle, and a screw 55 is installed at the center position of the right-angle connecting portion 52; the arc-shaped clamp 53 is located in the connecting groove 42, and the two arc-shaped clamps 53 on the two right-angle clamps 51 form a slide groove 56, and the protrusion 44 is located in the slide groove 56.

[0043] The utility model provides a right-angle connection part 52, and the right-angle connection part 52 is set as a triangle, so that the overall strength of the corner connector 5 is guaranteed while saving materials; the right-angle connection part 52 can be installed on the square profile body 41 by the arrangement of the arc clamping plate 53; the two right-angle clamping plates 51 can be in contact and connected by the arrangement of the L-shaped connection part 54; the right-angle clamping plates 51 can be connected by the arrangement of the screws 55; the sliding groove 56 is arranged to correspond to the protrusion 44, and the corresponding arrangement of the arc clamping plate 53 and the connecting groove 42 is matched, so that the corner connector 5 can be slidably installed on the square profile body 41.

[0044] See attached Figure 8 As shown, in the utility model, a first mounting groove 541 is provided on one end of the L-shaped connecting portion 54, and an L-shaped clamping portion 542 is provided on the other end of the L-shaped connecting portion 54, so that the two right-angle clamping plates 51 are clamped together through the first mounting groove 541 and the L-shaped clamping portion 542.

[0045] It should be particularly noted that the size of the first installation groove 541 is larger than the size of the L-shaped clamping portion 542 .

[0046] Participate in the Figure 1 , Figure 3 — Fig.10As shown, in the present utility model, the gripper member 6 includes an adjacent-side gripper member 61 and a two-way gripper member 62; the fixed-surface connecting member 7 includes an L-shaped fixing member 71 and an angle connecting member 72. The adjacent-side gripper member 61 and the two-way gripper member 62 are both used for movably connecting with the square profile main body 41; two first waist-shaped holes 711 are provided on the L-shaped fixing member 71, and one of the first waist-shaped holes 711 is connected to the adjacent-side gripper member 61 or the two-way gripper member 62 through a bolt, and the other first waist-shaped hole 711 is connected to the fixed surface through a bolt; the angle connecting member 72 is arranged in a U shape, and two second waist-shaped holes 721 are provided on the angle connecting member 72, and the two second waist-shaped holes 721 are movably connected to the adjacent-side gripper member 61 or the two-way gripper member 62 through bolts.

[0047] It should be particularly noted that the adjacent-side gripper member 61 and the two-way gripper member 62 can be selected according to actual needs and can be used alone or in combination; through the setting of the L-shaped fixing member 71 in the present utility model, the adjacent-side gripper member 61 and the two-way gripper member 62 can be vertically fixed. Specifically, the adjacent-side gripper member 61 and the two-way gripper member 62 are perpendicular to the fixed surface. With the setting of the first waist-shaped holes 711, it can be adjusted according to actual needs, thereby reducing the requirement for the dimensional accuracy of the keel module 1 and making the keel module 1 easy to install; through the setting of the angle connecting member 72 and the setting of the second waist-shaped holes 721, the adjacent-side gripper member 61 or the two-way gripper member 62 connected by the two second waist-shaped holes 721 can be rotated to adjust the included angle between the two gripper members.

[0048] Refer to the appendix Fig. 9 and Fig.10 As shown, in the present utility model, the grooving directions of the two first waist-shaped holes 711 are perpendicular to each other; the groove widths and grooving directions of the two second waist-shaped holes 721 are the same.

[0049] Through the limitation that the grooving directions of the first waist-shaped holes 711 are perpendicular to each other in the present utility model, the two first waist-shaped holes 711 are respectively located on two perpendicular planes of the L-shaped fixing member 71, so that the connection positions between the gripper member 6 and the L-shaped fixing member 71 and between the L-shaped fixing member 71 and the fixed surface can all move along the grooving directions of the first waist-shaped holes 711; through the setting of the second waist-shaped holes 721, while the two gripper members 6 can be rotated, the distance between the two gripper members 6 can be adjusted.

[0050] Refer to the appendix Figure 3 — Figure 5As shown, in the present utility model, the adjacent-side clamping claw member 61 includes a first adjacent side 611, a second adjacent side 612 movably installed on the first adjacent side 611 by bolts. The second adjacent side 612 is arranged in an L shape. An arc-shaped block 613 is provided on the first adjacent side 611, and an avoidance groove 614 corresponding to the arc-shaped block 613 is provided on the second adjacent side 612. First clamping claws 615 are provided on both the first adjacent side 611 and the second adjacent side 612, and the two first clamping claws 615 are arranged facing each other.

[0051] In the present utility model, through the setting of the first adjacent side 611, it contacts with the fixed surface or the L-shaped fixing member 71 and the angle connecting member 72, and makes the two contacting planes parallel; through the setting of the second adjacent side 612, and with the second adjacent side 612 arranged in an L shape, it is perpendicular to the first adjacent side 611, so as to cooperate with the square profile main body 41; through the setting of the arc-shaped block 613 and the avoidance groove 614, it is convenient to limit the connection position of the first adjacent side 611 and the second adjacent side 612, and it is convenient for workers to connect the first adjacent side 611 and the second adjacent side 612. An arc-shaped block is used instead of a square block, so as to align the avoidance groove 614 with the arc-shaped block 613 to cooperate the first adjacent side 611 and the second adjacent side 612; through the setting of the first clamping claws 615, which are arranged facing each other on the first adjacent side 611 and the second adjacent side 612, the installation surfaces of the two first clamping claws 615 are arranged at 90°, and can be clamped and cooperated with two connecting grooves 42 with parallel groove walls, that is, the installation surfaces of the two first clamping claws 615 are in contact with two adjacent convex portions 44.

[0052] Refer to the appendix Figure 6 As shown, in the present utility model, the bidirectional clamping claw member 62 includes a C-shaped plate 621, a second installation groove 622 provided on the C-shaped plate 621, a thickening block 623 installed in the second installation groove 622, a first limiting plate 624 provided on the C-shaped plate 621 for limiting the thickening block 623, openings 625 provided on both side surfaces at the two ends of the C-shaped plate 621, a second limiting plate 626 provided at the openings 625 for limiting the thickening block 623, and a second clamping claw 627 provided at the notch of the second installation groove 622 on the C-shaped plate 621.

[0053] The present utility model, through the provision of the C-shaped plate 621, is in contact with the planes of the two parallel protruding portions 44 of the square profile body 41; through the provision of the second installation groove 622, an installation position is provided for the thickening block 623, and a clearance is provided for the square profile body 41. It should be particularly noted that the groove width of the second installation groove 622 is equal to the width and thickness of the square profile body 41, so that the groove walls of the second installation groove 622 can be in contact with the planes of the two parallel protruding portions 44; through the provision of the thickening block 623, the groove depth of the second installation groove 622 is adjusted to ensure that when the square profile body 4 is connected to the double-sided clamping member 62, one of the protruding portions 44 of the square profile body 41 will come into contact with and abut against the thickening block 623, preventing the main profile 4 from shaking; through the provision of the first limiting plate 624 and the second limiting plate 626, the thickening block 623 can be limited. It should be particularly noted that the size of the second limiting plate 626 is the same as the size of the opening 625, and the second limiting plate 626 is formed by bending after the opening 625 is provided for the C-shaped plate 621; through the provision of the second clamping claw 627, the C-shaped plate 621 can be connected to two adjacent connecting grooves 42 in the main profile 4. It should be particularly noted that a counterbore is also provided on the thickening block 623, and this counterbore is used to provide an installation condition for the bolt.

[0054] Refer to the attached Figure 1 、 Fig.11 and Fig.12 As shown, in the present utility model, the adjusting floor feet 8 in the adjusting structure 3 include a connecting column 81 adapted to the special-shaped installation groove 43, and a support block 82 installed at the bottom of the first connecting column 81; the amplification connecting member 9 in the adjusting structure 3 includes a connecting plate 91, and second connecting columns 92 installed at both ends of the connecting plate 91 and adapted to the special-shaped installation groove 43.

[0055] The present utility model, through the provision of the connecting column 81, is movably connected to the special-shaped installation groove 43, enabling the support block 82 to move along the special-shaped installation groove 43, so that the support block 82 can contact the ground; through the provision of the second connecting column 92, two square profile bodies 41 can be connected, thereby increasing the size of the keel module 1.

[0056] Refer to the attached Figure 1 — Fig.12 As shown, the usage process of the present utility model is as follows:

[0057] First, measure the dimensions of the position where the partition wall needs to be set, and then for multiple main profiles 4 of different lengths, first splice the main profiles 4 with the angle connecting members 5 to form the required keel module 1, then install a plurality of clamping members 6 on the keel module 1, and then install and fix the keel module 1 through the fixing surface connecting member 7.

[0058] Specifically, multiple main profiles 4 are cut according to their sizes, and one of the main profiles 4 in the length direction is first taken, and then multiple corner connectors 5 are installed on the main profile 4 at equal intervals, and then the main profiles 4 in the height and width directions are connected to the main profile 4. In short, the right-angle connections of the keel module 1 are all supported and connected by the corner connectors 5. After the assembly of the keel module 1 is completed, multiple claw parts 6 are installed on the multiple main profiles 4 of the keel module 1. It depends on the actual situation to see whether the fixed surface connector 7 is needed for cooperation.

[0059] Example 2

[0060] See attached Fig.13 As shown, the difference between this embodiment and embodiment 1 is that the amplification connector 9 of this embodiment can perform multi-directional amplification, so that the utilization rate of the keel module 1 is further improved; the amplification connector 9 in the adjustment structure 3 includes a square connection block 93 and an amplification component 94 installed on the square surface of the square connection block 93.

[0061] The difference between this embodiment and embodiment 1 is that this embodiment can be extended in multiple directions, that is, the six planes of the square connecting block 93 can all be installed with expansion components 94 to expand the connection of the square profile body 41. It should be particularly noted that the difference between the expansion component 94 and the adjustment foot 8 is that the expansion component 94 is provided with a countersunk hole for bolt installation.

[0062] The above embodiments are descriptions of the present application, not limitations of the present application. Any solution that is a simple transformation of the present application belongs to the protection scope of the present application.

Claims

1. A modular keel, characterized in that: It comprises a keel module (1), a claw mounting structure (2) for mounting the keel module (1), and an adjustment structure (3) mounted on the outer surface of the keel module (1); The keel module (1) comprises a plurality of main profiles (4) of different lengths, and an angle connector (5) mounted on the main profiles (4) for connecting any adjacent main profiles, wherein the angle connector (5) is located at the connection angle between any two main profiles (4); The claw mounting structure (2) comprises a plurality of claw members (6) mounted on the side of the keel module (1), and a fixed surface connecting member (7) mounted on the corner connecting member (5); The adjustment structure (3) comprises an adjustment foot (8) installed on the bottom surface of the keel module (1), and an amplification connector (9) installed on the top surface or side surface of the keel module (1).

2. The modular keel according to claim 1, characterized in that: The main profile (4) comprises a square profile body (41), connecting grooves (42) arranged at four diagonal corners of the square profile body (41), and a special-shaped installation groove (43) arranged on the square profile body (41), wherein a protrusion (44) is formed between any two adjacent connecting grooves (42); the special-shaped installation groove (43) is used for adjusting the installation of the structure (3), and the connecting groove (42) is used for movably connecting with a corner connecting piece (5) or a claw piece (6).

3. The modular keel according to claim 2, characterized in that: The corner connector (5) is formed by connecting two right-angle clamping plates (51) of the same structure, wherein the right-angle clamping plate (51) comprises a right-angle connecting portion (52) arranged in a triangular shape, arc-shaped clamping plates (53) arranged on two right-angle sides of the right-angle connecting portion (52), an L-shaped connecting portion (54) arranged on the right-angle connecting portion (52) at the hypotenuse of the triangle, and a screw (55) installed at the center of the right-angle connecting portion (52); The arc-shaped clamping plate (53) is located in the connecting groove (42), the two arc-shaped clamping plates (53) on the two right-angle clamping plates (51) form a sliding groove (56), and the protrusion (44) is located in the sliding groove (56).

4. The modular keel according to claim 3, characterized in that: A first mounting groove (541) is provided on one end of the L-shaped connecting portion (54), and an L-shaped clamping portion (542) is provided on the other end of the L-shaped connecting portion (54); the two right-angle clamping plates (51) are clamped together via the first mounting groove (541) and the L-shaped clamping portion (542).

5. The modular keel according to claim 1 or 2, characterized in that: The claw member (6) comprises an adjacent claw member (61) and a bidirectional claw member (62); the fixed surface connecting member (7) comprises an L-shaped fixing member (71) and an angle connecting member (72); The adjacent edge claw member (61) and the bidirectional claw member (62) are both used for movably connecting with the square profile body (41); The L-shaped fixing member (71) is provided with two first waist-shaped holes (711), wherein one of the first waist-shaped holes (711) is connected to the adjacent claw member (61) or the bidirectional claw member (62) via a bolt, and the other first waist-shaped hole (711) is connected to the fixing surface via a bolt; The angle connecting piece (72) is arranged in a U shape. Two second waist-shaped holes (721) are provided on the angle connecting piece (72). The two second waist-shaped holes (721) are movably connected to the adjacent-side claw piece (61) or the two-way claw piece (62) through bolts.

6. The modular keel according to claim 5, characterized in that: The adjacent-side claw piece (61) includes a first adjacent side (611), a second adjacent side (612) movably installed on the first adjacent side (611) through a bolt. The second adjacent side (612) is arranged in an L shape. An arc-shaped block (613) is provided on the first adjacent side (611). An avoidance groove (614) corresponding to the arc-shaped block (613) is provided on the second adjacent side (612). First claw (615) is provided on both the first adjacent side (611) and the second adjacent side (612). The two first claws (615) are arranged facing each other.

7. The modular keel according to claim 5, characterized in that: The grooving directions of the two first waist-shaped holes (711) are perpendicular to each other; The groove widths and grooving directions of the two second waist-shaped holes (721) are the same.

8. The modular keel according to claim 5, characterized in that: The two-way claw piece (62) includes a U-shaped plate (621), a second installation groove (622) provided on the U-shaped plate (621), a thickening block (623) installed in the second installation groove (622), a first limiting plate (624) provided on the U-shaped plate (621) for limiting the thickening block (623), an opening (625) provided on the side surfaces at both ends of the U-shaped plate (621), a second limiting plate (626) provided at the opening (625) for limiting the thickening block (623), and a second claw (627) provided on the U-shaped plate (621) at the notch of the second installation groove (622).

9. The modular keel according to claim 2, characterized in that: The adjusting floor bolt (8) in the adjusting structure (3) includes a connecting column (81) adapted to the special-shaped installation groove (43), and a supporting block (82) installed at the bottom of the first connecting column (81); The amplifying connecting piece (9) in the adjusting structure (3) includes a connecting plate (91), and second connecting columns (92) installed at both ends of the connecting plate (91) and adapted to the special-shaped installation groove (43).

10. The modular keel according to claim 9, characterized in that: The amplifying connecting piece (9) in the adjusting structure (3) includes a square connecting block (93), and an amplifying piece (94) installed on the square surface of the square connecting block (93).

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