An assembled composite ceramic tile large panel floor installation system for kitchens

Abstract

The present invention relates to the technical field of prefabricated floors, and particularly to an installation system for a prefabricated composite ceramic tile large slab floor in a kitchen. It includes adjusting feet, leveling keels, a base plate, and a floor. The two ends of the floor along the length direction of the leveling keel protrude from the two ends of the base plate, so that an L-shaped groove is formed between the back surface of the floor and the side surface of the base plate. The installation system further includes installation keels, and each installation keel includes an installation plate connected to the adjusting feet and receiving plates arranged at the two ends of the installation plate along the length direction of the leveling keel. The receiving plates are inserted into the grooves, and the receiving plates are in contact with the back surface of the floor. In this application, installation keels are added, and the prefabricated installation and fixation of the floor are realized through the cooperation and connection of the installation keels and the grooves. The use of cement is not required, and it has the characteristics of convenient installation, environmental protection, and convenient subsequent disassembly and maintenance.

Description

Technical Field

[0001] The present invention relates to the technical field of prefabricated floors, and in particular to an installation system for a prefabricated composite ceramic tile large slab floor in a kitchen. Background Art

[0002] At present, the decoration industry is developing towards industrialized modular installation. Generally speaking, floor decoration is a commonly used decoration method in interior design, which can increase the layering of the indoor space and play a role in beautifying the decoration; before laying the floor, the floor needs to be leveled before installation. The traditional leveling uses ordinary cement mortar. The treatment method of cement mortar has problems such as more wet operations, long construction period, cumbersome process, large workload, large pollution at the construction site, easy occurrence of hollowing and cracking on the floor, and it is difficult to carry out later maintenance and repair, etc., and it is difficult to meet the needs of the development of prefabricated decoration. At the same time, as the country's environmental protection requirements are getting higher and higher, the traditional decoration industry has been greatly affected. The country has strongly required to reduce the exploitation of sand and gravel, resulting in the continuous rise in the price of decoration materials. In order to change this situation at the present stage, prefabricated decoration has emerged. Since the construction is carried out by using the dry operation method, the amount of cement mortar used is reduced, and even the floor decoration can be completely completed without using cement mortar, which can reduce the construction duration and reduce the pollution to the environment.

[0003] The patent document with the publication number of CN112031327A discloses such a floor tile paving structure based on a leveling overhead floor, including a leveling structure, paving fasteners and floor tiles; the leveling structure is used to be installed on the ground and form a flat surface with adjustable height on the ground; the paving fasteners are used to be fixed above the leveling structure and cooperate with the floor tile cushion layer to form an installation structure for supporting and positioning the floor tiles above the leveling structure; the floor tiles are laid on the paving fasteners. The patent document with the publication number of CN216428901U discloses such an assembled overhead floor installation system, which relates to the field of overhead floors, including a base plate, supports and multiple keels. The multiple keels are used to be cross-set to form at least one installation frame. The base plate is used to be installed in the installation frame. The supports are arranged below the keels to support the keels, and the keels are provided with a limiting structure for restricting the vertical movement of the base plate.

[0004] It can be seen that in the existing prefabricated floors, the keel frame is always installed on the adjusting feet first, then the base is installed on the keel frame, and then the floor is installed on the base. Before installing the floor, the base is already in a flat state. In order to ensure the fixation of the floor on the base, the floor and the base also need to be connected by an adhesive or cement, and during the process of laying the floor, the width of the splicing gap between the floors also needs to be manually controlled to be consistent. The prefabricated structure in such prefabricated floors only aims at the adjusting feet, the keel frame and the base structure, and the floor still cannot be prefabricated and installed, resulting in problems such as low installation efficiency, non-environmental protection and difficult disassembly and repair in the future. Summary of the Invention

[0005] The present invention aims to solve the above problems and provides an assembled composite ceramic tile large panel floor installation system for the kitchen.

[0006] The technical solution for the present invention to solve the problem is to provide an assembled composite ceramic tile large panel floor installation system for the kitchen, which includes a number of adjusting feet arranged on the original floor, a leveling keel arranged between two adjacent adjusting feet, a base plate arranged on the leveling keel, and a floor arranged on the base plate. The two ends of the floor along the length direction of the leveling keel protrude from the two ends of the base plate, so that an L-shaped groove is formed between the back surface of the floor and the side surface of the base plate; the installation system further includes an installation keel, and the installation keel includes an installation plate connected to the adjusting feet and receiving plates arranged at both ends of the installation plate along the length direction of the leveling keel; the receiving plates are inserted into the grooves, and the receiving plates are in contact with the back surface of the floor.

[0007] Preferably, folding plates are respectively arranged at the end parts of the two receiving plates, and the folding plates are in contact with the side surface of the base plate.

[0008] Preferably, a reinforcing profile is further arranged in the groove, and the reinforcing profile includes a first connecting plate connected to the back surface of the floor and a second connecting plate connected to the side surface of the base plate.

[0009] Preferably, a flush plate parallel to the floor is further included, the base plate is arranged between the floor and the flush plate, and the two ends of the flush plate along the length direction of the leveling keel protrude from the two ends of the base plate.

[0010] Preferably, the reinforcing profile further includes a third connecting plate connected to the top surface of the flush plate, and the first connecting plate, the second connecting plate, and the third connecting plate are integrally formed.

[0011] Preferably, the adjusting foot includes a base and a support seat, the base is connected to the original floor, the base is provided with a sleeve with internal threads, the support seat includes a screw rod threadedly connected to the sleeve, and both the leveling keel and the installation keel are connected to the screw rod.

[0012] Preferably, the screw rod is provided with an installation structure for installing the installation keel and the leveling keel. The installation structure includes a central plate disposed on the end face of the screw rod, and peripheral plates disposed at both ends of the central plate along the length direction of the leveling keel. The horizontal plane where the central plate is located is higher than the horizontal plane where the peripheral plates are located, and the central plate and the peripheral plates are connected by extension plates; the leveling keel includes a top plate, and the end of the top plate is lapped on the peripheral plate; the installation plate of the installation keel is connected to the central plate.

[0013] Preferably, the installation plate and the receiving plate are connected by a U-shaped stabilizing member. The stabilizing member includes a first reinforcing portion perpendicularly connected to the installation plate, a connecting portion perpendicularly connected to the receiving plate, and a second reinforcing portion connecting the first reinforcing portion and the connecting portion. The first reinforcing portion abuts against the extension plate, and the second reinforcing portion abuts against the peripheral plate.

[0014] Preferably, the peripheral plate includes a supporting portion and clamping portions disposed at both ends of the supporting portion perpendicular to the length direction of the leveling keel. A clamping gap is formed between the supporting portion and the clamping portions. The leveling keel further includes side plates disposed at both ends of the top plate. The top plate is lapped on the supporting portion, and the side plates are inserted into the clamping gap.

[0015] Preferably, a circular ring portion is provided at the center of the central plate. The circular ring portion protrudes towards the base relative to the central plate body to form a convex ring on the side of the central plate close to the base. The screw rod is inserted into the convex ring.

[0016] Advantages of the present invention:

[0017] 1. In this application, an installation keel is added. The prefabricated installation and fixation of the floor are realized through the cooperation and connection of the installation keel and the groove. There is no need to use cement, and it has the characteristics of convenient installation, environmental protection, and convenient subsequent disassembly and maintenance. At the same time, during prefabricated installation, a splicing gap is naturally formed between two floors installed on one installation keel, and there is no need to manually control the width of the splicing gap, ensuring the consistency of the overall splicing gap width of the prefabricated floor.

[0018] 2. In this application, by modifying the adjusting feet, both the installation keel and the leveling keel can be installed on the adjusting feet, and the installation of the installation keel and the leveling keel does not affect each other, effectively ensuring the flatness of the leveling keel and the supporting strength of the installation keel.

[0019] 2. The floor system of this application is a fully prefabricated installation structure, effectively improving the construction efficiency and reducing construction pollution. Description of the Drawings

[0020] Figure 1It is a top view of an installation system for a prefabricated composite ceramic tile large slab floor in a kitchen;

[0021] Figure 2 It is a front view of an installation system for a prefabricated composite ceramic tile large slab floor in a kitchen;

[0022] Figure 3 It is Figure 2 the enlarged view of part A in

[0023] Figure 4 It is a bottom view of an installation system for a prefabricated composite ceramic tile large slab floor in a kitchen;

[0024] Figure 5 It is Figure 4 the enlarged view of part B in

[0025] Figure 6 It is a structural schematic diagram of the adjusting feet in a top view angle in an installation system for a prefabricated composite ceramic tile large slab floor in a kitchen;

[0026] Figure 7 It is a structural schematic diagram of the adjusting feet in a bottom view angle in an installation system for a prefabricated composite ceramic tile large slab floor in a kitchen;

[0027] In the figure: adjusting feet 1, base 11, first stop ring 111a, second stop ring 111b, support base 12, center plate 121, ring part 121a, peripheral plate 122, support part 122a, clamping part 122b, extension plate 123, leveling keel 2, base plate 3, groove 31, floor 4, flush plate 41, installation keel 5, installation plate 51, receiving plate 52, flanging plate 53, stabilizing member 54, reinforcing profile 6. Specific Embodiments

[0028] The following are specific embodiments of the present invention, and in combination with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

[0029] An installation system for a prefabricated composite ceramic tile large slab floor in a kitchen, as Figure 1 and Figure 2 shown, includes a plurality of adjusting feet 1 arranged on the original floor, a leveling keel 2 arranged between adjacent two adjusting feet 1, a base plate 3 arranged on the leveling keel 2, and a floor 4 arranged on the base plate 3. As Figure 3 shown, in order to achieve the prefabricated installation of the floor 4 in the present application, an installation keel 5 is further included and arranged on the adjusting feet 1, as Figure 4As shown, the installation keel 5 and the leveling keel 2 are arranged perpendicular to each other to jointly form a keel frame structure. For the convenience of description, the direction parallel to the length of the leveling keel 2 is called "row", and the direction perpendicular to the length of the leveling keel 2 is called "column". Among several adjusting feet 1 in the same row, a leveling keel 2 is arranged between adjacent adjusting feet 1; several adjusting feet 1 in the same column are connected by an installation keel 5.

[0030] During installation, first install the adjusting feet 1 on the original ground, and several adjusting feet 1 are evenly distributed on the original ground. The adjusting foot 1 is a structure with adjustable height. Due to the unevenness of the original ground, by adjusting the height of the adjusting foot 1, the top surfaces of the adjusting feet 1 installed at different locations on the original ground can be in the same horizontal plane, and the horizontal plane where these top surfaces of the adjusting feet 1 are located is the leveling plane of the assembled floor.

[0031] There can be various structures for the adjusting foot 1 with adjustable height. In this embodiment, as Figure 6 and Figure 7 shown, the adjusting foot 1 includes a base 11 and a support seat 12. Both the base 11 and the support seat 12 are made of metal components to ensure the support strength and fire resistance of the assembled floor. The base 11 is connected to the original ground. The base 11 is provided with a sleeve having internal threads. The support seat 12 includes a screw rod threadedly connected to the sleeve and an installation structure provided at the end of the screw rod. The length directions of the sleeve and the screw rod are both perpendicular to the original ground. Based on this, by rotating the screw rod, the distance from the installation structure to the original ground can be adjusted. The installation structure is used for subsequent installation of the leveling keel 2 and the installation keel 5. In order to cooperate with the installation of the mutually perpendicular leveling keel 2 and installation keel 5, the installation structure includes a central plate 121 provided on the end face of the screw rod and peripheral plates 122 provided at both ends of the central plate 121 along the length direction of the leveling keel 2. The central plate 121 is used for installing the installation keel 5, and the peripheral plates 122 are used for installing the leveling keel 2. Only the general structure of the installation structure is pointed out here, and the specific installation cooperation method will be described later.

[0032] When installing the adjusting foot 1, usually first fix the base 11 to the original ground and then adjust the height. Since the height is adjusted by rotating the screw rod, when the height is adjusted to the appropriate position, the direction of the above installation structure may not be suitable for the subsequent installation of the leveling keel 2 and the installation keel 5. Therefore, an installation hole is provided in the center of the base 11, and the sleeve passes through the installation hole, as Figure 6 and Figure 7As shown, a first stop ring 111a and a second stop ring 111b are sleeved outside the sleeve. The first stop ring 111a and the second stop ring 111b are respectively abutted against two sides of the base 11. The first stop ring 111a and the second stop ring 111b ensure the fixation of the sleeve and the base 11, but do not affect the rotation of the sleeve. When the height of the adjusting foot 1 is adjusted to a proper position, the placement direction of the installation structure can be adjusted by rotating the sleeve.

[0033] Furthermore, since the second stop ring 111b protrudes from the base 11, to ensure the stability of the base 11, as Figure 7 shown, the base 11 includes a base mounting plate for setting the mounting holes, and a base support plate provided on the side of the base mounting plate close to the original ground. The base support plate is preferably an annular side plate and is installed on the side edge of the base mounting plate. The height of the base support plate is preferably the same as the height of the second stop ring 111b. The connection and fixation of the base 11 to the original ground are realized through the base mounting plate. For example, the base mounting plate and the original ground can be connected by screws. Therefore, it is preferred to provide a plurality of through holes for installing screws on the base mounting plate. To ensure the installation stability, the plurality of through holes are uniformly arranged in a ring centered on the center of the base mounting plate. The shape of the base mounting plate is not limited, but based on the ring-shaped through holes, to ensure the balance of the base mounting plate, the base mounting plate is selected to be circular.

[0034] In addition, as Figure 6 shown, to avoid deformation of the base mounting plate, the base mounting plate is divided into a circular mounting central part for setting the mounting holes and an annular mounting peripheral part for setting the through holes in the direction radiating from the center outwards. An annular buffer part is provided between the mounting central part and the mounting peripheral part. The mounting central part and the mounting peripheral part are flush, and the buffer part protrudes towards the direction close to the support base 12 to achieve the purpose of alleviating the mutual influence between the mounting central part and the mounting peripheral part with different forces. Further, a reinforcing rib is provided on the side of the mounting peripheral part close to the support base 12. The length direction of the reinforcing rib is the same as the radial direction centered on the center of the base 11; the reinforcing rib is connected to the buffer part, and at least one through hole is provided between adjacent two reinforcing ribs.

[0035] After installing the adjusting foot 1, install the leveling keel 2. The leveling keel 2 can be commonly used C-shaped, U-shaped, several-shaped, L-shaped, square tube-shaped, etc. in the market. It has at least one top plate and a side plate provided at the end of the top plate. For example, as Figure 5 shown, in this embodiment, a square tube-shaped leveling keel 2 is adopted. It is formed by splicing four plate members into a tube shape. Any one of the plate members is taken as its top plate, and the two ends of the top plate are the side plates. During installation, the two ends of the top plate of the leveling keel 2 along the length direction are respectively lapped on the peripheral plates 122 of the two adjusting feet 1. On the premise that the adjusting feet 1 have been leveled, the leveling keel 2 directly realizes flat installation.

[0036] In order to further improve the installation strength of the leveling keel 2, in this embodiment, the peripheral plate 122 is further modified. As Figure 5 shown, the peripheral plate 122 includes a support portion 122a and clamping portions 122b provided at both ends of the support portion 122a perpendicular to the length direction of the leveling keel 2. A clamping slot is formed between the support portion 122a and the clamping portions 122b. During installation, the top plate is lapped on the support portion 122a, and the side plate is inserted into the clamping slot. Preferably, the horizontal plane where the support portion 122a is located is lower than the horizontal plane where the clamping portions 122b are located. Further preferably, the vertical distance between the support portion 122a and the clamping portions 122b is the same as the thickness of the top plate of the leveling keel 2. Then, after the leveling keel 2 is installed, the top surface of the leveling keel 2 and the clamping portions 122b are exactly on the same plane, forming a flush surface, which is convenient for the stable installation of subsequent structural members such as the base plate 3.

[0037] After the leveling keel 2 is installed, first, only one installation keel 5 is installed. This installation keel 5 is preferably installed on the outermost row of adjusting feet 1. The structure of the installation keel 5 is as Figure 3 shown by the black-filled profile in the figure, and includes an installation plate 51 connected to the center plate 121 and receiving plates 52 provided at both ends of the installation plate 51 along the length direction of the leveling keel 2. Preferably, several adjusting feet 1 in the same row are connected to the installation plate 51 of an installation keel 5. The installation plate 51 and the center plate 121 can be installed by screws. The receiving plates 52 serve as connection components for the subsequent assembled installation of the floor 4.

[0038] At this time, since the two ends of the above-mentioned center plate 121 have peripheral plates 122, if the center plate 121 and the peripheral plates 122 are on the same plane, and the installation plate 51 and the receiving plates 52 are also on the same plane, the receiving plates 52 will directly contact the peripheral plates 122, and it will be difficult to play the role of the assembled installation of the floor 4 subsequently. Therefore, it is necessary to raise the plane height of the receiving plates 52 or lower the height of the peripheral plates 122. As Figure 3 shown by the slant-filled profile in the figure, in this embodiment, the horizontal plane where the center plate 121 is located is higher than the horizontal plane where the peripheral plates 122 are located, and the center plate 121 and the peripheral plates 122 are connected by extension plates 123.

[0039] Under the condition of this installation structure, if the mounting plate 51 and the receiving plate 52 are on the same plane, after the mounting plate 51 is installed, the receiving plate 52 is suspended on the peripheral plate 122, and the receiving plate 52 is subsequently used to install and receive the floor 4. There is a problem that the receiving plate 52 and the mounting plate 51 are easily broken. Therefore, in this embodiment, the mounting plate 51 and the receiving plate 52 are connected by a U-shaped stabilizing member 54. The stabilizing member 54 includes a first reinforcing portion vertically connected to the mounting plate 51, a connecting portion vertically connected to the receiving plate 52, and a second reinforcing portion connecting the first reinforcing portion and the connecting portion. The first reinforcing portion abuts against the extension plate 123, and the second reinforcing portion abuts against the peripheral plate 122.

[0040] After installing the outermost installation keel 5, temporarily stop the installation on the ground. Instead, first connect the base plate 3 and the floor 4 into an integral whole, denoted as the integral floor. As Figure 3 shown, the length of the floor 4 along the length direction of the leveling keel 2 is approximately the distance between the center points of the center plates 121 of two adjacent adjusting feet 1. By controlling the length of the floor 4, the width of the splicing gap between two floors 4 can be controlled; while the length of the base plate 3 is less than the length of the floor 4. The floor 4 and the base plate 3 are overlapped. When overlapping, a little adhesive can be applied between the two to improve the connection strength, or not. Control the central axes of the floor 4 and the base plate 3 to be in the same vertical plane, so that both ends of the floor 4 protrude from both ends of the base plate 3. Then an L-shaped groove 31 is formed between the back surface of the floor 4 and the side surface of the base plate 3. The groove 31 is used to cooperate with the installation keel 5 later. In order to match the strength of the installation keel 5, a reinforcing profile 6 is usually provided in the groove 31. The reinforcing profile 6 is Figure 3 the dot filling profile as shown, and includes a first connecting plate connected to the back surface of the floor 4 and a second connecting plate connected to the side surface of the base plate 3. The material of the reinforcing profile 6 is the same as that of the installation keel 5. On the one hand, the base plate 3 and the floor 4 can be fixed together, and on the other hand, the strength of the groove 31 is enhanced.

[0041] In addition, in the assembled floor, the base plate 3 is overlapped on the leveling keel 2. In order to form the groove 31, the length of the base plate 3 is reduced in the present application, so that the base plate 3 is mainly overlapped on the middle part of the leveling keel 2 during subsequent installation, and the end parts of the leveling keel 2 overlapped on the peripheral plate 122 at both ends do not overlap with the base plate 3. At this time, the leveling keel 2 is subjected to downward pressure in the middle part and upward support force at the end part, resulting in the problem that the middle part and the end part of the leveling keel 2 are easily bent. Therefore, the present embodiment also includes a flush plate 41 parallel to the floor 4, the base plate 3 is arranged between the floor 4 and the flush plate 41, and the two ends of the flush plate 41 along the length direction of the leveling keel 2 protrude from the two ends of the base plate 3, and the whole of the leveling keel 2 is overlapped with the flush plate 41, and the force on the leveling keel 2 is relatively uniform. At the same time, with the flush plate 41, the base plate 3 can be used without an integral plate, and a hollow plate or a plurality of single plates perpendicular to the floor 4 can be used, thereby reducing costs. In conjunction with the use of the flush plate 41 , the reinforcement profile 6 further includes a third connecting plate connected to the top surface of the flush plate 41 , and the first connecting plate, the second connecting plate, and the third connecting plate are integrally formed.

[0042] Then you can start laying the floor, place the whole floor on the leveling keel 2, and plug the groove 31 at one end of it into the receiving plate 52 of the installed mounting keel 5, so that the receiving plate 52 abuts against the back of the floor 4 in the whole floor. If the receiving plate 52 and the back of the floor 4 cannot be completely fitted, you can apply adhesive to fill it. At the same time, in order to improve the connection strength between the receiving plate 52 and the groove 31, the ends of the two receiving plates 52 are respectively vertically provided with folding plates 53, and the folding plates 53 abut against the side of the base plate 3. Similarly, adhesive can be applied to fill the gap between the two. Then, plug a mounting keel 5 into the groove 31 at the other end of the whole floor. After plugging, fix the mounting plate 51 of the mounting keel 5 to the center plate 121 of the adjusting foot 1. By analogy, install the whole floor and the mounting keel 5 in sequence to complete the installation of the assembled floor.

[0043] In addition, based on the above structure, it can be seen that for the installation structure of the adjusting foot 1, the center is supported by the upward support force of the screw rod, and the two ends are under the downward pressure of the keel, so the installation structure is easy to deform. In order to avoid deformation of the installation structure, in this embodiment, one is to alleviate the deformation of the connection between the peripheral plate 122 and the central plate 121 by the structure that the horizontal plane of the peripheral plate 122 is lower than the horizontal plane of the central plate 121. Second, it is necessary to alleviate the deformation of the central plate 121 itself, such as Figure 7As shown in the figure, a convex ring is provided on the back surface of the central plate 121, that is, the side of the central plate 121 close to the base 11. When the screw is inserted into the convex ring and the end of the central plate 121 is deformed downward under pressure, the convex ring will be driven to deform. However, the insertion of the screw blocks this deformation trend, thus blocking the deformation of the central plate 121. At the same time, internal threads can also be provided in the convex ring to be threadedly connected with the screw, and the threaded connection direction between it and the screw should be opposite to the threaded connection direction between the screw sleeve. In this case, on the one hand, the detachable connection method is convenient for replacing damaged components. On the other hand, the deformation trend of the convex ring will instead strengthen the connection between the convex ring and the screw, improving the connection effect. This convex ring can be provided on the central plate 121 in any way. In this embodiment, as Figure 6 shown, a circular ring portion 121a is provided at the center of the central plate 121. The circular ring portion 121a protrudes towards the base 11 relative to the main body of the central plate 121 to form this convex ring on the side of the central plate 121 close to the base 11. On the one hand, it reduces the material cost. On the other hand, this way also forms a concave ring on the side of the central plate 121 away from the base 11. The central plate 121 is provided with a stress relief groove communicating with the concave ring. The concave ring and the stress relief groove play a buffering role to prevent the central plate 121 from cracking. Considering the stress direction of the central plate 121, the stress relief groove is strip-shaped, and the length direction of the stress relief groove is perpendicular to the straight line direction where the center points of the two peripheral plates 122 are located.

[0044] The specific embodiments described in this document are only examples to illustrate the spirit of the present invention. Those skilled in the art of the present invention can make various modifications or supplements to the described specific embodiments or use similar methods to replace them, but will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A kitchen prefabricated composite ceramic tile large panel floor installation system, comprising a number of adjusting feet (1) arranged on the original floor, a leveling keel (2) arranged between two adjacent adjusting feet (1), a base plate (3) arranged on the leveling keel (2), and a floor (4) arranged on the base plate (3), characterized in that: The two ends of the floor (4) along the length direction of the leveling keel (2) protrude from the two ends of the base plate (3), so that an L-shaped groove (31) is formed between the back surface of the floor (4) and the side surface of the base plate (3); the installation system further includes an installation keel (5), and the installation keel (5) includes an installation plate (51) connected to the adjusting foot (1) and a receiving plate (52) arranged at the two ends of the installation plate (51) along the length direction of the leveling keel (2); the receiving plate (52) is inserted into the groove (31), and the receiving plate (52) abuts against the back surface of the floor (4). Flanging plates (53) are respectively arranged at the end parts of the two receiving plates (52), and the flanging plates (53) abut against the side surface of the base plate (3). The adjusting foot (1) includes a base (11) and a support base (12), the base (11) is connected to the original ground, the base (11) is provided with a sleeve with internal threads, the support base (12) is provided with a screw rod threadedly connected to the sleeve, and both the leveling keel (2) and the installation keel (5) are connected to the screw rod. An installation structure for installing the installation keel (5) and the leveling keel (2) is arranged on the screw rod, and the installation structure includes a central plate (121) arranged at the end surface of the screw rod and peripheral plates (122) arranged at the two ends of the central plate (121) along the length direction of the leveling keel (2), the horizontal plane where the central plate (121) is located is higher than the horizontal plane where the peripheral plates (122) are located, and the central plate (121) and the peripheral plates (122) are connected by an extension plate (123); the leveling keel (2) includes a top plate, and the end part of the top plate is lapped on the peripheral plate (122); the installation plate (51) of the installation keel (5) is connected to the central plate (121).

2. The kitchen prefabricated composite ceramic tile large panel floor installation system according to claim 1, characterized in that: It further includes a reinforcement profile (6) arranged in the groove (31), and the reinforcement profile (6) includes a first connecting plate connected to the back surface of the floor (4) and a second connecting plate connected to the side surface of the base plate (3).

3. A kitchen prefabricated composite ceramic tile large panel floor installation system according to claim 2, characterized in that: It further includes a flush plate (41) parallel to the floor (4), the base plate (3) is arranged between the floor (4) and the flush plate (41), and the two ends of the flush plate (41) along the length direction of the leveling keel (2) protrude from the two ends of the base plate (3).

4. The kitchen prefabricated composite ceramic tile large panel floor installation system according to claim 3, wherein: The reinforcement profile (6) further includes a third connecting plate connected to the top surface of the flush plate (41), and the first connecting plate, the second connecting plate and the third connecting plate are integrally formed.

5. A kitchen prefabricated composite ceramic tile large panel floor installation system according to claim 1, characterized in that: The installation plate (51) and the receiving plate (52) are connected by a U-shaped stabilizing member (54), and the stabilizing member (54) includes a first reinforcing portion vertically connected to the installation plate (51), a connecting portion vertically connected to the receiving plate (52), and a second reinforcing portion connecting the first reinforcing portion and the connecting portion, the first reinforcing portion abuts against the extension plate (123), and the second reinforcing portion abuts against the peripheral plate (122).

6. The kitchen prefabricated composite ceramic tile large panel floor installation system according to claim 1, wherein: The peripheral board (122) includes a support portion (122a) and clamping portions (122b) provided at both ends of the support portion (122a) perpendicular to the length direction of the leveling keel (2). A clamping slot is formed between the support portion (122a) and the clamping portions (122b). The leveling keel (2) further includes side plates provided at both ends of the top plate. The top plate is lapped on the support portion (122a), and the side plates are inserted into the clamping slot.

7. A kitchen prefabricated composite ceramic tile large panel floor installation system according to claim 1, characterized in that: A circular ring portion (121a) is provided at the center of the center board (121). The circular ring portion (121a) protrudes towards the base (11) relative to the body of the center board (121) to form a convex ring on the side of the center board (121) close to the base (11). The screw is inserted into the convex ring.

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