CN212405652U - Structure capable of forming floor slab concave hole and floor slab thereof - Google Patents
Structure capable of forming floor slab concave hole and floor slab thereof Download PDFInfo
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- CN212405652U CN212405652U CN202021238378.2U CN202021238378U CN212405652U CN 212405652 U CN212405652 U CN 212405652U CN 202021238378 U CN202021238378 U CN 202021238378U CN 212405652 U CN212405652 U CN 212405652U
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- fastener
- hole
- reinforcing sleeve
- steel bar
- bottom plate
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Abstract
The utility model discloses a structure capable of forming a concave hole of a floor slab and the floor slab thereof, which comprises a steel bar truss, a bottom plate, a hole reinforcing sleeve, a fastener and a connecting piece; the bottom plate is provided with a mounting hole; the hole reinforcing sleeve is embedded in the mounting hole, and the end part of the hole reinforcing sleeve protrudes out of the surface of the bottom plate; the fastener is placed on the end part of the hole reinforcing sleeve; the steel bar truss is arranged on the fastener; the connecting piece is arranged in the hole reinforcing sleeve in a penetrating mode and is detachably connected with the fastener. The utility model discloses an inlay in the mounting hole of bottom plate and establish the hole boss, and place the fastener on the tip of hole boss, with this interval that increases fastener and bottom plate, make to form the space that the interval produced and can pour between the two, the fastener is the cladding in the floor after forming the floor like this, and form the cave in the position of hole boss, in the fitment in later stage, only need fill and level because of the cave that the hole boss formed, just can realize the surperficial parallel and level of floor, can save a large amount of finishing materials, reduce the fitment degree of difficulty, improve work efficiency.
Description
Technical Field
The utility model relates to a building technical field especially indicates a structure that can form floor cave and floor thereof.
Background
The truss formed by connecting the steel bars serving as the upper chord, the lower chord and the web members through resistance spot welding is called a steel bar truss. The steel bar truss is connected with the bottom plate and fixed to form an integral combined bearing plate called a steel bar truss floor bearing plate. Removable steel bar truss building carrier plate is the building material that newly-emerged development got up in recent years, and steel bar truss utilizes the fastener to be fixed in on the bottom plate, and concrete placement is accomplished the back, demolishs the template again.
In the prior art, after concrete pouring is completed and a formwork is removed, a part of a fastener is exposed on the surface of a floor slab, so that the risk that the performance of the fastener is influenced due to the possibility of chemical change of the surface of the fastener before decoration exists, the progress of decoration is also influenced, and a construction party needs to spend a large amount of materials and workload to trowel the surface of the floor slab.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can form structure and floor of floor cave, can avoid floor shaping back fastener to expose the floor surface to reduce the fitment degree of difficulty and the cost in later stage, improve work efficiency.
In order to achieve the above purpose, the solution of the present invention is:
a structure capable of forming a floor slab concave hole comprises a steel bar truss, a bottom plate, a hole reinforcing sleeve, a fastener and a connecting piece; the bottom plate is provided with a mounting hole; the hole reinforcing sleeve is embedded in the mounting hole, and the end part of the hole reinforcing sleeve protrudes out of the surface of the bottom plate; the fastener is placed on the end part of the hole reinforcing sleeve; the steel bar truss is arranged on the fastener; the connecting piece is arranged in the hole reinforcing sleeve in a penetrating mode and is detachably connected with the fastener.
The tip of hole reinforcing sleeve is formed with the laminating along its radial protrusion and is in the thickening protective layer at mounting hole edge.
The both ends of hole reinforcing sleeve all are provided with the thickening protective layer.
The fastener includes connecting portion and is used for fixing steel bar truss's spacing portion, the cooperation of connecting portion is in on the tip of hole uide bushing, the connecting piece is worn to locate the hole uide bushing and with connecting portion can dismantle the connection.
The connecting portion of fastener is provided with the screw, the connecting piece is bolt or screw.
The connecting part is a nut welded on the fastener.
The limiting parts of the fastener are clamping grooves which are arranged at two ends of the fastener and used for matching the lower chord steel bars of the steel bar truss.
The bottom plate and the hole reinforcing sleeve are integrally formed.
A floor slab comprises a steel bar truss, a fastener and concrete; the steel bar truss is installed on the fastener, the concrete is coated on the outer surfaces of the steel bar truss and the fastener, and a concave hole is formed in the relative position of the fastener.
The fastener is used for fixing the connecting portion of the fastener and the limiting portion used for fixing the steel bar truss before the concrete is poured, and the connecting portion and the concave hole are arranged oppositely.
After the technical scheme is adopted, the utility model discloses an inlay in the mounting hole of bottom plate and establish the hole boss, and place the fastener on the tip of hole boss, with this increase the interval of fastener and bottom plate, make to form the space that the interval produced and can pour between the two, form the floor back fastener like this and be wrapped in the floor, and form the cave in the position of hole boss, in the fitment in later stage, only need fill and level because of the cave that the hole boss formed, just can realize the surperficial parallel and level of floor, can save a large amount of finishing materials, reduce the fitment degree of difficulty, improve work efficiency.
In addition, the hole reinforcing sleeve arranged on the bottom plate has a reinforcing effect on the mounting hole, so that the mounting hole and the bottom plate are not damaged by the connecting piece in the dismounting process; make the tip of hole reinforcement cover thickening protective layer laminating at the edge of mounting hole, can guarantee the stability that the hole reinforcement cover inlayed in the mounting hole, prevent not hard up, can improve the area of contact of hole reinforcement cover and fastener simultaneously to the size of the follow-up concave hole that forms of increase.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is an exploded view of an embodiment of the present invention;
FIG. 3 is a side view of an embodiment of the present invention;
FIG. 4 is a perspective view of a fastener according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of the concrete of the present invention after concrete is poured;
FIG. 6 is a top view of FIG. 5;
FIG. 7 is a cross-sectional view taken along line A-A of FIG. 6;
fig. 8 is a schematic structural view of a floor slab according to an embodiment of the present invention;
the reference numbers illustrate: a steel bar truss 1; a base plate 2; a mounting hole 21; a hole reinforcing sleeve 3; thickening the protective layer 31; a fastener 4; a connecting portion 41; a screw hole 411; a stopper 42; a connecting member 5; concrete 6; a cavity 61.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.
The utility model discloses a can form structure of floor cave, including steel bar truss 1, bottom plate 2, hole boss 3, fastener 4 and connecting piece 5.
Wherein, the bottom plate 2 is provided with a mounting hole 21; the hole reinforcing sleeve 3 is embedded in the mounting hole 21, and the end part of the hole reinforcing sleeve protrudes out of the surface of the bottom plate 2; the fastener 4 is placed on the end of the hole reinforcing sleeve 3; the steel bar truss 1 is arranged on the fastener 4; the connecting piece 5 is arranged through the hole reinforcing sleeve 3 and is detachably connected with the fastener 4.
Referring to fig. 1-4, a specific embodiment of the present invention is shown.
The end of the hole reinforcing sleeve 3 is formed with a thickened protection layer 31 which is attached to the edge of the mounting hole 21 in a protruding manner along the radial direction.
Both ends of above-mentioned hole reinforcement cover 3 all are provided with thickening protective layer 31, then bottom plate 2 can two-sidedly use, and steel bar truss 1 can assemble in the arbitrary one side of bottom plate 2 during the assembly, no longer need upset bottom plate 2, improves the convenience of installation.
The base plate 2 and the hole reinforcing sleeve 3 may be integrally formed of the same material.
Above-mentioned fastener 4 includes connecting portion 41 and the spacing portion 42 that is used for fixed steel truss 1, and the cooperation of connecting portion 41 is on thickening protective layer 31, and connecting piece 5 wears to locate hole reinforcement cover 3 and can dismantle with connecting portion 41 and be connected.
The connecting portion 41 of the fastening member 4 is provided with a screw hole 411, and the connecting member 5 is a bolt, a screw or other similar component with a thread on the surface, so as to achieve the main purpose of easy assembly and disassembly. In this embodiment, the connecting portion 41 is a nut welded to the fastener 4.
The limiting parts 42 of the fastener 4 are slots for matching the lower chord steel bars of the steel bar truss 1, which are arranged at the two ends of the fastener 4.
The fastener 4 is made of a non-rusty material so as to ensure that the fastener 4 is not affected by the material of the concrete and is not chemically changed after the concrete is poured.
The structure can be used for a method for forming a floor pit, the method comprises a steel bar truss floor bearing plate consisting of a steel bar truss 1, a bottom plate 2 and a fastener 4, and the method comprises the following steps:
and 5, pouring concrete, and removing the connecting piece 5 and the bottom plate 2 after the concrete is solidified.
In the step 2, the end part of the hole reinforcing sleeve 3 is made into a thickened protective layer 31 and is attached to the edge of the mounting hole 21; in step 3, the fastener 4 is placed on the thickened protective layer 31.
The connecting piece 5 is a bolt or a screw.
By using the structure and the method, the utility model can be obtained: a floor slab comprises a steel bar truss 1, fasteners 4 and concrete 6. The steel bar truss 1 is arranged on the fastener 4, the concrete 6 is coated on the outer surfaces of the steel bar truss 1 and the fastener 4, and a concave hole 61 is formed at the opposite position of the fastener 4.
The fastener 4 comprises a connecting part 41 used for fixing the fastener 4 and a limiting part 42 used for fixing the steel bar truss 1 before concrete 6 is poured, and the connecting part 41 is arranged opposite to the concave hole 61. In this embodiment, the connection portion 41 is provided with a screw hole 411.
Referring to fig. 5 to 8, the working principle of the present invention is: fastener 4 that will be used for fixed steel bar truss 1 assembles on hole reinforcing sleeve 3, and thickening protective layer 31 of hole reinforcing sleeve 3 increases the interval of fastener 4 and bottom plate 2, also makes and produces sufficient clearance between the two exactly, and when concreting, the concrete can infiltrate between fastener 4 and the bottom plate 2 like this, and after the form removal again, fastener 4 can not bulge concrete 6's surface to form cave 61 in the position that thickening protective layer 31 corresponds. In the later decoration, the surface of the floor slab can be leveled only by filling the concave hole 61 formed by the thickened protective layer 31.
Through the above scheme, the utility model discloses an inlay in the mounting hole 21 of bottom plate 2 and establish hole boss 3, and place fastener 4 on the tip of hole boss 3, with this increase fastener 4 and bottom plate 2's interval, make the interval produce the space that can pour between the two, form fastener 4 behind the floor like this and be wrapped in concrete 6, and form concave hole 61 in the position of hole boss 3, in the fitment in later stage, only need fill level because of concave hole 61 that hole boss 3 formed, just can realize the surperficial parallel and level of floor, can save a large amount of finishing materials, reduce the fitment degree of difficulty, improve work efficiency.
In addition, the hole reinforcing sleeve 3 arranged on the bottom plate 2 has a reinforcing effect on the mounting hole 21, so that the mounting hole 21 and the bottom plate 2 are not damaged by the connecting piece 5 in the dismounting process; make thickening protection layer 31 laminating at the edge of mounting hole 21 with the tip of hole reinforcement cover 3, can guarantee the stability that hole reinforcement cover 3 inlayed in mounting hole 21, prevent not hard up, can improve the area of contact of hole reinforcement cover 3 with fastener 4 simultaneously to the follow-up size that forms concave hole 61 of increase.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.
Claims (10)
1. A structure capable of forming a floor cavity, characterized in that: comprises a steel bar truss, a bottom plate, a hole reinforcing sleeve, a fastener and a connecting piece;
the bottom plate is provided with a mounting hole;
the hole reinforcing sleeve is embedded in the mounting hole, and the end part of the hole reinforcing sleeve protrudes out of the surface of the bottom plate;
the fastener is placed on the end part of the hole reinforcing sleeve;
the steel bar truss is arranged on the fastener;
the connecting piece is arranged in the hole reinforcing sleeve in a penetrating mode and is detachably connected with the fastener.
2. A structure for forming a floor cavity as claimed in claim 1, wherein:
the tip of hole reinforcing sleeve is formed with the laminating along its radial protrusion and is in the thickening protective layer at mounting hole edge.
3. A structure for forming a floor cavity as claimed in claim 2, wherein:
the both ends of hole reinforcing sleeve all are provided with the thickening protective layer.
4. A structure for forming a floor cavity as claimed in claim 1, wherein:
the fastener includes connecting portion and is used for fixing steel bar truss's spacing portion, the cooperation of connecting portion is in on the tip of hole uide bushing, the connecting piece is worn to locate the hole uide bushing and with connecting portion can dismantle the connection.
5. A structure for forming a floor cavity as claimed in claim 4, wherein:
the connecting portion of fastener is provided with the screw, the connecting piece is bolt or screw.
6. A structure for forming a floor cavity as claimed in claim 5, wherein:
the connecting part is a nut welded on the fastener.
7. A structure for forming a floor cavity as claimed in claim 4, wherein:
the limiting parts of the fastener are clamping grooves which are arranged at two ends of the fastener and used for matching the lower chord steel bars of the steel bar truss.
8. A structure for forming a cavity in a floor slab as claimed in any one of claims 1 to 3, wherein:
the bottom plate and the hole reinforcing sleeve are integrally formed.
9. A floor slab, characterized by: comprises a steel bar truss, a fastener and concrete; the steel bar truss is installed on the fastener, the concrete is coated on the outer surfaces of the steel bar truss and the fastener, and a concave hole is formed in the relative position of the fastener.
10. A floor slab as claimed in claim 9, wherein:
the fastener is used for fixing the connecting portion of the fastener and the limiting portion used for fixing the steel bar truss before the concrete is poured, and the connecting portion and the concave hole are arranged oppositely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021238378.2U CN212405652U (en) | 2020-06-30 | 2020-06-30 | Structure capable of forming floor slab concave hole and floor slab thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021238378.2U CN212405652U (en) | 2020-06-30 | 2020-06-30 | Structure capable of forming floor slab concave hole and floor slab thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212405652U true CN212405652U (en) | 2021-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021238378.2U Active CN212405652U (en) | 2020-06-30 | 2020-06-30 | Structure capable of forming floor slab concave hole and floor slab thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212405652U (en) |
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2020
- 2020-06-30 CN CN202021238378.2U patent/CN212405652U/en active Active
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