Adjustable cast-in-place concrete floor thickness control block

Abstract

The utility model discloses an adjustable cast-in-place concrete floor thickness control block which is formed by combining a cushion block and a height adjusting column, the cushion block comprises a base and a groove, the base is a cylinder, the coaxial cylindrical groove is downwards formed in the center of the upper surface of the base, and the height adjusting column is arranged in the groove. The diameter of the cross section of the groove is 5-10cm smaller than that of the cross section of the base, and the height of the groove is half of that of the base; the height adjusting column is inserted into the bottom of the groove downwards from the top of the groove, the section size of the height adjusting column is matched with that of the groove, and the sum of the height of the height adjusting column and half of the height of the base is equal to the thickness of the cast-in-place concrete floor; the side wall and the height adjusting column are nailed together through the first fixing screw, the base and the bottom formwork are nailed together through the second fixing screw, leveling is conducted according to the top face of the height adjusting column when floor concrete is poured, and it is ensured that the floor pouring thickness meets the design requirement.

Description

Technical Field

[0001] The utility model relates to the technical field of civil engineering construction, in particular to a main structure adjustable cast-in-situ concrete floor slab thickness control block. Background Art

[0002] At present, in the construction of building projects, the pouring thickness of floor slab concrete is generally controlled by hanging wires for leveling or making a steel bar ruler and inserting it into the concrete to control the pouring thickness of the floor slab. The operation is arbitrary, which eventually causes a large deviation in the thickness of the cast-in-place concrete floor slab. At the same time, due to the various thicknesses of residential project floors, the above methods are difficult to control. This phenomenon can easily cause the thickness of the cast-in-place floor slab to be too large or too small compared to the design size, which poses a quality risk of rework. If the thickness of the cast-in-place concrete floor slab is too high, it will also have a great impact on the later decoration surface layer.

[0003] The Chinese patent document with announcement number CN 215760524 U (publication date February 8, 2022, application number CN2021201782514) discloses a main structure floor thickness control block, including a first concrete cylinder, a connecting rod and a second concrete cylinder, the bottom of the first concrete cylinder is fixedly connected to one end of the connecting rod, the top of the second concrete cylinder is fixedly connected to the other end of the connecting rod, and the vertical distance between the top end face of the first concrete cylinder and the bottom end face of the second concrete cylinder is the thickness of the main structure floor. However, this main structure floor thickness control block has the following four shortcomings: First, the pad using this technology needs to make two upper and lower concrete cylinders, and the middle connecting rod is too thin, which makes the center of gravity of the entire pad unstable and the stability on the template poor. When the concrete vibrator touches it, it may be shaken away from its original position or become skewed; second, the pad is difficult to make, time-consuming and labor-intensive, with low production efficiency and affecting the construction period; third, the pad can only be applied to a floor of a fixed thickness, with poor versatility, not conducive to mass production, and low economic benefits; fourth, the pad using this solution cannot be fixed to the cast-in-place concrete bottom template, and is very easy to move during the pouring of the floor concrete, resulting in height deviation.

[0004] Therefore, how to provide a main structure cast-in-place concrete floor thickness control block to reduce the workload of operators while ensuring that the floor thickness size deviation meets the requirements is a technical problem that needs to be urgently solved by technical personnel in this field. Utility Model Content

[0005] In view of this, the purpose of the utility model is to provide an adjustable cast-in-place concrete floor thickness control block, which is firmly installed, saves labor and effort, has good applicability and general performance, and can ensure that the thickness of the cast-in-place concrete floor meets the design and specification requirements.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable cast-in-place concrete floor thickness control block, which is composed of a cushion block and a height adjustment column, wherein the cushion block includes a base and a groove, wherein the base is a cylinder, and a coaxial cylindrical groove is downwardly opened in the middle of the upper surface of the base, wherein the cross-sectional diameter of the groove is 5cm-10cm smaller than the cross-sectional diameter of the base, and the height thereof is half the height of the base; the height adjustment column is inserted downward from the top of the groove to the bottom of the groove, wherein the cross-sectional dimension thereof is adapted to the cross-sectional dimension of the groove, and the height thereof plus half the height of the base is equal to the thickness of the cast-in-place concrete floor; and the outer circumference of the base and the outer circumference of the groove are equal to the outer circumference of the base and the outer circumference of the groove. A circular side wall is formed between the circumference, and a pair of screw holes 1 are radially opened on the side wall. The pair of screw holes 1 are located in the middle of the side wall, symmetrically arranged around the central axis of the side wall and pass through the entire side wall; the fixing screw 1 passes through the side wall from the screw hole 1 and enters the height adjustment column, and the outer end diameter is larger than the aperture of the screw hole 1; a pair of screw holes 2 are axially downwardly opened in the base at the inner side of the outer circumference of the bottom of the groove, and the pair of screw holes 2 are symmetrically arranged around the central axis of the base and pass through the entire base, and the fixing screw 2 passes downward through the screw hole 2 and enters the bottom template, and the upper end of the fixing screw 2 is flush with the bottom of the groove, and the outer end diameter is larger than the aperture of the screw hole 2.

[0007] Preferably, the base is a square column.

[0008] Preferably, the base is made of plastic material, mortar material or concrete material with a grade higher than the cast-in-place concrete floor.

[0009] Preferably, the height adjustment column is made of plastic material or wooden material.

[0010] Preferably, the height adjustment column is made into a solid or hollow column.

[0011] The beneficial effects of the technical solution of the utility model are mainly reflected in: 1. The floor thickness control block provided by the embodiment of the utility model solves the problems of inaccurate thickness control of the existing cast-in-place concrete floor slab, which leads to the quality problems of the floor slab caused by excessive thickness deviation after the cast-in-place floor slab is completed, and the construction of the floor decoration layer is difficult; 2. The main structure floor thickness control block provided by the embodiment of the utility model is simple to manufacture, and its base is universal. Only the height of the height adjustment column is slightly changed for floors of different thicknesses, which can be applied to the thickness control of cast-in-place concrete floors of various specifications. It has strong versatility and can be produced in large quantities at one time for standby; 3. The installation of this pad is very firm. During the pouring of concrete, it not only greatly reduces the workload of operators to hang lines to control the elevation, but also ensures that the elevation and thickness deviation of the floor slab can meet the design and specification requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a perspective view of an embodiment of the adjustable cast-in-place concrete floor thickness control block of the utility model.

[0014] Figure 2 It is a cross-sectional view along line AA of an embodiment of the adjustable cast-in-place concrete floor slab thickness control block of the utility model.

[0015] superior Figure 1 In the middle: 1-pad, 11-base, 12-fixing screw one, 13-screw hole one, 14-side wall, 15-groove, 16-screw hole two, 17-fixing screw two, 2-height adjustment column, 3-cast-in-place concrete floor, 4-bottom formwork. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0018] In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model should be understood according to the specific circumstances.

[0019] The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0020] refer to Figure 1 , Figure 2The floor thickness control block provided by the embodiment of the utility model is composed of a cushion block 1 and a height adjustment column 2. The cushion block 1 includes a base 11 and a groove 15. The base 11 is a cylinder. A coaxial cylindrical groove 15 is downwardly opened in the middle of the upper surface of the base 11. The cross-sectional diameter of the groove 15 is 5cm-10cm smaller than the cross-sectional diameter of the base 11, and its height is half the height of the base 11; the height adjustment column 2 is inserted from the top of the groove 15 downward to the bottom of the groove 15, and its cross-sectional size is adapted to the cross-sectional size of the groove 15. Its height plus half the height of the base 11 is equal to the thickness of the cast-in-place concrete floor 3; a circular ring-shaped side wall 14 is formed between the outer circumference of the base 11 and the outer circumference of the groove 15. A pair of screw holes 13 are radially opened on the side wall 14, and the pair of screw holes 13 are located in the middle of the side wall 14, symmetrically arranged around the central axis of the side wall 14 and pass through the entire side wall 14; the fixing screw 12 passes through the side wall 14 from the screw hole 13 and enters the height adjustment column 2, and the outer end diameter thereof is larger than the aperture of the screw hole 13; a pair of screw holes 16 are axially downwardly opened in the base 11 at the inner side of the outer circumference of the bottom of the groove 15, and the pair of screw holes 16 are symmetrically arranged around the central axis of the base 11 and pass through the entire base 11, and the fixing screw 17 passes downward through the screw hole 16 and enters the bottom template 4, and the upper end of the fixing screw 17 is flush with the bottom of the groove 15, and the outer end diameter thereof is larger than the aperture of the screw hole 16.

[0021] like Figure 1 , Figure 2 As shown, the base 11 can be made into a square column, and the base 11 can be made of plastic material, mortar material or concrete material with a grade higher than the cast-in-place concrete floor 3.

[0022] like Figure 1 , Figure 2 As shown, the height adjustment column 2 is made of plastic material or wooden material, and the height adjustment column 2 can be made into a solid or hollow column.

[0023] The adjustable cast-in-place concrete floor slab 3 thickness control block provided by the utility model is arranged on the floor slab according to a certain installation spacing when in use, the base 11 of the pad block 1 is placed on the bottom template 4 of the floor slab away from the floor slab reinforcement, and the base 11 and the bottom template 4 are nailed together with fixing screws 2 to prevent displacement. After the arrangement, the integrity is checked to check whether there is displacement and damage. If there is, it is replaced in time. After verification, concrete pouring is started. During pouring, the top surface of the height adjustment column 2 of the adjustable cast-in-place concrete floor slab 3 thickness control block provided by the utility model is leveled, which does not affect the construction progress and project quality, reduces the workload of the operating workers, and can ensure the thickness, so that the floor slab thickness deviation meets the requirements.

[0024] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An adjustable cast-in-place concrete floor thickness control block, composed of a pad and a height adjustment column, characterized in that: The cushion block (1) comprises a base (11) and a groove (15); the base (11) is a cylinder, and a coaxial cylindrical groove (15) is provided downwardly in the middle of the upper surface of the base (11); the cross-sectional diameter of the groove (15) is 5 cm-10 cm smaller than the cross-sectional diameter of the base (11), and the height thereof is half the height of the base (11); the height adjustment column (2) is inserted downwardly from the top of the groove (15) to the bottom of the groove (15), and the cross-sectional dimension thereof matches the cross-sectional dimension of the groove (15); the height thereof plus half the height of the base (11) is equal to the thickness of the cast-in-place concrete floor slab (3); a circular ring-shaped side wall (14) is formed between the outer circumference of the base (11) and the outer circumference of the groove (15), and a pair of screw holes (one screw hole) are provided radially on the side wall (14). 13), the pair of screw holes (13) are located in the middle of the side wall (14), symmetrically arranged around the central axis of the side wall (14) and penetrate the entire side wall (14); the fixing screw (12) passes through the side wall (14) from the screw hole (13) and enters the height adjustment column (2), and the outer end diameter of the fixing screw (12) is larger than the hole diameter of the screw hole (13); a pair of screw holes (16) are opened in the base (11) along the axial downward direction at the inner side of the outer circumference of the bottom of the groove (15), the pair of screw holes (16) are symmetrically arranged around the central axis of the base (11) and penetrate the entire base (11), and the fixing screw (17) passes through the screw hole (16) downward and enters the bottom template (4), the upper end of the fixing screw (17) is flush with the bottom of the groove (15), and the outer end diameter of the fixing screw (12) is larger than the hole diameter of the screw hole (16).

2. The adjustable cast-in-place concrete floor thickness control block according to claim 1 is characterized in that: The base (11) is a square column.

3. The adjustable cast-in-place concrete floor thickness control block according to claim 1 or 2, characterized in that: The base (11) is made of plastic material, mortar material or concrete material with a grade higher than that of the cast-in-place concrete floor slab (3).

4. The adjustable cast-in-place concrete floor thickness control block according to claim 1, characterized in that: The height adjustment column (2) is made of plastic material or wooden material.

5. The adjustable cast-in-place concrete floor thickness control block according to claim 1 or 4, characterized in that: The height adjustment column (2) is made into a solid or hollow column.

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