CN212026786U - Fastener device suitable for detachable steel bar truss building carrier plate - Google Patents
Fastener device suitable for detachable steel bar truss building carrier plate Download PDFInfo
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- CN212026786U CN212026786U CN202020547147.3U CN202020547147U CN212026786U CN 212026786 U CN212026786 U CN 212026786U CN 202020547147 U CN202020547147 U CN 202020547147U CN 212026786 U CN212026786 U CN 212026786U
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- fastener
- bar truss
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Abstract
The utility model discloses a fastener device suitable for detachable steel bar truss building carrier plate, including a plurality of fastener bodies, two rows of fastener bodies are a set of fixed mounting with even interval on the die block, drill respectively on the position of the die block corresponding to the fastener body, and pass the hole of the die block from bottom to top from the bottom of the die block through self-tapping screws and fix the fastener body on the die block; a circuitous groove with a free end is formed in the fastener body, the circuitous groove is composed of a horizontal clamping groove and a vertical clamping groove, and the circuitous groove is used for placing a steel bar truss. The novel fastener device and the steel bar truss fixing method are simple and easy to operate, and the fastener is simple and reasonable in structure, light in weight and capable of greatly saving cost; be provided with circuitous groove on the fastener body of this patent, steel bar truss need not carry out the lateral extrusion to last quarter reinforcing bar in the installation, has simplified the preparation process, has realized more high-efficient, swift accurate location simultaneously.
Description
Technical Field
The utility model relates to a fastener device, in particular to a fastener device that is used for detachable steel bar truss building carrier plate belongs to building engineering technical field.
Background
Steel structure fabricated structures have developed very rapidly in our country, especially fabricated steel structure homes and high-rise steel structure office buildings. Under the encouragement of national policy, the system of the steel structure prefabricated house is greatly developed. Ordinary steel construction truss building carrier plate can not satisfy user's demand, and ordinary steel bar truss's bottom plate is the galvanized steel sheet, takes place the corrosion very easily, influences indoor effect to the surface of galvanized steel sheet is difficult to plaster, carries out a large amount of manual works of secondary fitment cost and cost. From the perspective of residential users, they prefer concrete floor slabs to be traditional plastered layers rather than galvanized steel. Therefore, steel bar truss floor decks with removable bottom forms are needed in residential homes. And after the concrete of the floor slab is poured, detaching the bottom die from the fastener to expose the surface of the concrete, and then performing plastering operation on the surface of the concrete.
But the installation process of the steel bar truss of current building carrier plate and fastener is more complicated, installs the steel bar truss in the draw-in groove through mechanical operation during production, and the draw-in groove is in the side of fastener. When the steel bar truss is manufactured, two lower chord steel bars of the steel bar truss need to be transversely extruded and narrowed, and then are clamped into clamping grooves in the side faces of the fasteners, so that additional stress or plastic deformation is easily generated on the longitudinal steel bars of the steel bar truss, and adverse effects are generated on the stress of a floor slab. Meanwhile, the traditional connecting fastener has high requirements on material strength and higher manufacturing cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fastener device suitable for detachable steel bar truss building carrier plate, its high-speed joint that can realize steel bar truss building carrier plate and fastener and dismantlement.
In order to achieve the purpose, the technical scheme adopted by the utility model is that the fastener device suitable for the detachable steel bar truss floor support plate comprises a plurality of fastener bodies, wherein two rows of the fastener bodies are fixedly arranged on a bottom die in a group with uniform intervals, holes are respectively drilled on the positions of the bottom die corresponding to the fastener bodies, and the fastener bodies are fixed on the bottom die by self-tapping screws passing through holes of the bottom die from bottom to top from the bottom of the bottom die; a circuitous groove with a free end is formed in the fastener body, the circuitous groove is composed of a horizontal clamping groove and a vertical clamping groove, and the circuitous groove is used for placing a steel bar truss.
Preferably, the steel bar truss comprises two upper chord steel bars, two lower chord steel bars and two web member steel bars, and the web member steel bars are used for connecting the two lower chord steel bars and the two upper chord steel bars;
the web member reinforcing bar still is provided with the straight portion of level at the position with the contact of lower chord reinforcing bar, the straight portion both ends of level are connected and are formed a hangers through connecting portion and web member reinforcing bar main part respectively, the straight portion of level its position of taking one's place when steel bar truss installs in place is in the horizontal draw-in groove, and the straight portion of level is parallel with lower chord reinforcing bar.
In this patent, the fastener body passes through self-tapping screw to be fixed on the die block, when pouring the completion back, dismantles self-tapping screw to tear the die block open. In the fastener body and steel bar truss connection process, a circuitous groove is formed in the top end of the fastener body, the circuitous groove is formed by a horizontal clamping groove and a vertical clamping groove, and the horizontal clamping groove and the vertical clamping groove form an L shape.
The installation process comprises the following steps:
(1) placing the steel bar truss at the preset position of the fastener: placing the steel bar truss from top to bottom, enabling the horizontal straight part of the web member steel bar to enter the vertical clamping groove from the free end of the circuitous groove, and pushing the steel bar truss to the inner side of the horizontal clamping groove, so that the steel bar truss is in place;
(2) limiting the steel bar truss: the top of the fastener body is provided with a screw hole in the vertical direction, a self-tapping screw can be screwed up from top to bottom, and the self-tapping screw penetrates through the horizontal clamping groove from the top to limit the web member reinforcing steel bar;
(3) after concrete pouring is completed, the bottom die can be conveniently detached from the fastener body, concrete is not damaged in the detaching process, and the template can be reused.
The utility model has the advantages that: the novel fastener device and the steel bar truss fixing method are simple and easy to operate, and the fastener is simple and reasonable in structure, light in weight and capable of greatly saving cost; the fastener body is provided with the circuitous grooves, so that the lower chord steel bar does not need to be transversely extruded in the installation process of the steel bar truss, and the manufacturing process is simplified; moreover, the circuitous groove on the fastener body realizes more efficient, quicker and more accurate positioning; meanwhile, the bottom die can be more easily disassembled by adopting the bottom die made of the bamboo plywood.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiment or the prior art will be briefly described below.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 1;
FIG. 4 is a schematic structural view of the fastener body;
FIG. 5 is a schematic structural view of the fastener body;
FIG. 6 is a schematic view of the connection structure of the steel bar truss and the fastener body;
FIG. 7 is a top view of FIG. 6;
FIG. 8 is a schematic structural view of a web member reinforcing bar
FIG. 9 is a top view of FIG. 8;
fig. 10 is a schematic structural diagram of another embodiment of the present invention;
in the figure: 1. the fastener comprises a fastener body, 2 parts of a bottom die, 3 parts of self-tapping screws, 4 parts of circuitous grooves, 5 parts of horizontal clamping grooves, 6 parts of vertical clamping grooves, 7 parts of steel bar trusses, 8 parts of free ends, 9 parts of upper chord steel bars, 10 parts of lower chord steel bars, 11 parts of web member steel bars, 12 parts of horizontal straight parts, 13 parts of connecting parts, 14 parts of limiting devices, 15 parts of chamfered parts and 16 parts of fixing lug seats.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the present application will be clearly and completely described below with reference to the embodiments.
Example one
As shown in fig. 1-9, the utility model discloses a fastener device suitable for detachable steel bar truss floor carrier plate, including a plurality of fastener bodies 1, fastener body 1 is made of high strength plastic, fastener body 1 is two rows as a set of fixed mounting of even interval on die block 2, drill respectively on the position that die block 2 corresponds fastener body 1, and pass the hole of die block 2 and fix fastener body 1 on die block 2 from bottom to top from die block 2 bottom through self-tapping screw 3; a circuitous groove 4 with a free end 8 is formed in the fastener body 1, the circuitous groove 4 is composed of a horizontal clamping groove 5 and a vertical clamping groove 6, and the circuitous groove 4 is used for placing a steel bar truss 7.
In this patent, fastener body 1 has made things convenient for the demolition of pouring back die block 1 from bottom die 2 bottom fixed fastener body from bottom to top through self-tapping screw 3. Meanwhile, the winding groove 4 is arranged, so that the steel bar truss 7 is positioned quickly and accurately, and meanwhile, the lower chord steel bar does not need to be transversely extruded in the installation process, and the manufacturing process is simplified.
The steel bar truss 7 comprises two upper chord steel bars 9, two lower chord steel bars 10 and two web member steel bars 11, wherein the web member steel bars 10 are used for connecting the two lower chord steel bars 10 and the two upper chord steel bars 9;
the position that web member reinforcing bar 11 contacted with last quarter reinforcing bar 10 still is provided with the straight portion 12 of level, the straight portion 12 both ends of level are connected and are formed a hangers through connecting portion 13 and 11 main parts of web member reinforcing bar respectively, the straight portion 12 of level its position of taking one's place is in horizontal draw-in groove 5 when steel bar truss 7 installs in place, and the straight portion 2 of level is parallel with last quarter reinforcing bar 10.
The horizontal straight portion 12 is located at the outer side of the lower-chord reinforcing bar 10, and an installation distance is formed between the horizontal straight portion 12 and the lower-chord reinforcing bar 10.
Innovative design has been made to steel bar truss's structure in this patent, is provided with horizontal straight portion 12 at the position of web member reinforcing bar 11 and the contact of lower chord reinforcing bar 10 promptly, and reserves certain installation distance between horizontal straight portion 12 and the lower chord reinforcing bar 10. In the installation process of the steel bar truss 7, the steel bar truss 7 is placed from top to bottom, the lower chord steel bar 10 enters the vertical clamping groove 6 along the free end 8 of the circuitous groove 4 of the fastener body 1, and then the steel bar truss 7 is horizontally pushed to enter the horizontal clamping groove, so that the large steel bar truss can be conveniently and accurately placed into the fastener body without excessively adjusting the steel bar truss.
The horizontal straight portion 12 of web member reinforcing bar 11 is spacing through stop device 14 after steel bar truss 7 installs to take one's place, stop device 14 can be self-tapping screw or split pin or bolt, and self-tapping screw is preferred in this embodiment, self-tapping screw passes and attacks in horizontal draw-in groove 5 from the chamfer portion 15 of free end 8, the open end of free end 8 vertical draw-in groove 6 is located the top side of fastener body 1 promptly.
Carry out the secondary spacing to the steel bar truss of this patent through adopting stop device, fully guaranteed location and the steadiness behind the steel bar truss puts into the fastener body. In this patent, the horizontal slot 5 and the vertical slot 6 form an L-shaped structure, which can limit the web member steel bar 11 of the steel bar truss 7.
When the fastener is installed, the two rows of fastener bodies 1 in each group are arranged in the same direction, namely the opening directions of the circuitous grooves 4 are consistent, and after the horizontal straight part 12 is in place, the horizontal straight part 12 is fixed by the limiting device 14.
The fastener body 1 is arranged in the same direction, and the steel bar truss can be directly and integrally installed in the roundabout groove 4 together when the opening faces to one direction, so that the fastener is very convenient.
When the steel bar truss 7 is in place, the limiting device 14 (the limiting device 14 selects a self-tapping screw at the moment). The tapping screws are located one inside and one outside the horizontal straight portion to fix the horizontal straight portion 12.
Of course, the fastener body can be arranged in a symmetrical manner, and in this embodiment, it is preferable that the fastener bodies 1 are installed in the same direction.
Example two
In this embodiment, the limiting device 14 is a bolt, and other main structures are the same as those of the first embodiment, and are not described herein again.
As shown in fig. 10, the upper and lower ends of the side of the horizontal slot 5 are respectively provided with a fixing lug 16, the fixing lug 16 is provided with an internal thread, and the bolt passes through the upper and lower fixing lugs 16 to limit the horizontal straight portion 12 of the web member steel bar 11.
When the horizontal flat portion 12 is in place, the fixing lug 16 is located on the outer side or the inner side of the horizontal flat portion 12 and fixes the horizontal flat portion 12 in the horizontal slot 5, respectively. The fixing ear seats 16 can be arranged on any one side of the front side and the rear side of the fastener body 1, so that the horizontal straight part 12 can be limited.
In other embodiments, the position-limiting device 14 may be a cotter pin or a cotter pin, and when the cotter pin is used, the fixing lug 16 matched with the cotter pin does not need to be provided with an internal thread and is a common through hole.
In the two embodiments, the bottom mold 2 is any one of a bamboo plywood, a plastic board, a profiled stainless steel plate or a glass fiber reinforced plastic plate, and is preferably a bamboo plywood in the patent, and certainly can be other similar templates, which are not described in detail in the patent and are within the protection range of the patent as long as the templates are conveniently removed.
The using method comprises the following steps:
(1) drilling a hole at the position of the bottom die 2 corresponding to the fastener body 1, then placing the fastener body 1 on the bottom die 2, and screwing the self-tapping screw 3 into the hole by using mechanical equipment or manpower so as to fix the fastener body on the bottom die 2;
(2) placing a steel bar truss 7 in a free end 8 at the top of the fastener body 1 from top to bottom so as to enter a vertical clamping groove 6, then vertically applying downward pressure to the steel bar truss, and pushing the steel bar truss into a horizontal clamping groove 5 along the path of the circuitous groove 4;
(3) the horizontal straight part 12 of the web member steel bar of the steel bar truss is limited by the limiting device 14, and a tapping screw is preferably selected in the patent to pass through the chamfer part 15 of the free end 8 and tap into the horizontal clamping groove 5, so that the horizontal straight part 12 of the web member steel bar 11 is limited;
(4) after the concrete floor is poured, the self-tapping screws 3 below the bottom die 2 can be removed, so that the bottom die can be removed, the surface of the concrete is exposed, and the bottom die 2 can be reused.
The novel fastener device and the steel bar truss fixing method are simple and easy to operate, and the fastener is simple and reasonable in structure, light in weight and capable of greatly saving cost; the fastener body is provided with the circuitous grooves, so that the lower chord steel bar does not need to be transversely extruded in the installation process of the steel bar truss, and the manufacturing process is simplified; moreover, the circuitous groove on the fastener body realizes more efficient, quicker and more accurate positioning; meanwhile, the bottom die can be more easily disassembled by adopting the bottom die made of the bamboo plywood.
The described embodiments are only some, but not all embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Claims (10)
1. The fastener device is suitable for the detachable steel bar truss floor support plate and is characterized by comprising a plurality of fastener bodies (1), wherein the fastener bodies (1) are fixedly arranged on a bottom die (2) in two rows at uniform intervals, holes are respectively drilled in positions, corresponding to the fastener bodies (1), of the bottom die (2), and self-tapping screws (3) penetrate through holes in the bottom die (2) from bottom to top from the bottom of the bottom die (2) and fix the fastener bodies (1) on the bottom die (2); a circuitous groove (4) with a free end (8) is formed in the fastener body (1), the circuitous groove (4) is formed by a horizontal clamping groove (5) and a vertical clamping groove (6), and the circuitous groove (4) is used for placing a steel bar truss (7).
2. The fastener device for the detachable steel bar truss floor deck according to claim 1, wherein the steel bar truss (7) comprises an upper chord steel bar (9), a lower chord steel bar (10) and web members (11), the lower chord steel bar (10) has two, and the web members (11) are used for connecting the two lower chord steel bars (10) and the upper chord steel bar (9);
the utility model discloses a steel bar truss, including web member reinforcing bar (11), web member reinforcing bar (11) still are provided with horizontal straight portion (12) at the position with last quarter reinforcing bar (10) contact, horizontal straight portion (12) both ends are connected and are formed a hangers through connecting portion (13) and web member reinforcing bar (11) main part respectively, horizontal straight portion (12) its position of taking one's place when steel bar truss (7) are installed in place is in horizontal draw-in groove (5), and horizontal straight portion (12) are parallel with last quarter reinforcing bar (10).
3. The fastener device for a detachable steel bar truss floor deck according to claim 2, wherein the horizontal straight portion (12) is located at an outer side of the lower chord steel bar (10), and an installation distance is formed between the horizontal straight portion (12) and the lower chord steel bar (10).
4. The fastener device for the detachable steel bar truss floor deck according to claim 2, wherein the horizontal straight part (12) of the web member steel bar (11) is limited by a limiting device (14) after the steel bar truss (7) is installed in place.
5. The fastener device suitable for the detachable steel bar truss floor deck according to claim 4, wherein the limiting device (14) is a self-tapping screw or a cotter pin or a bolt or a cotter pin.
6. The fastener device for the detachable steel bar truss floor deck according to any one of claims 1 to 4, wherein the free end (8), i.e. the open end of the vertical slot (6), is located at the top side of the fastener body (1).
7. The fastener device suitable for the detachable steel bar truss floor deck according to claim 5, wherein the limiting device (14) is a self-tapping screw, and the self-tapping screw penetrates through the chamfered part (15) of the free end (8) and taps into the horizontal clamping groove (5).
8. The fastener device suitable for the detachable steel bar truss floor deck according to claim 5, wherein the limiting device (14) is a bolt, the upper and lower ends of the side edge of the horizontal clamping groove (5) are respectively provided with a fixing lug seat (16), and the bolt passes through the upper and lower fixing lug seats (16) to limit the horizontal straight part (12) of the web member steel bar (11).
9. The fastener device for the detachable steel bar truss floor deck according to claim 4, wherein when being installed, each two rows of the fastener bodies (1) are arranged in the same direction, that is, the opening direction of the circuitous groove (4) is consistent, and when the horizontal straight part (12) is in place, the limiting device (14) fixes the horizontal straight part (12).
10. The fastener device suitable for detachable steel bar truss floor deck according to claim 1, wherein the bottom die (2) is a bamboo plywood, a plastic board, a profiled stainless steel plate or a glass fiber reinforced plastic plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020547147.3U CN212026786U (en) | 2020-04-14 | 2020-04-14 | Fastener device suitable for detachable steel bar truss building carrier plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020547147.3U CN212026786U (en) | 2020-04-14 | 2020-04-14 | Fastener device suitable for detachable steel bar truss building carrier plate |
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| CN212026786U true CN212026786U (en) | 2020-11-27 |
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| CN202020547147.3U Active CN212026786U (en) | 2020-04-14 | 2020-04-14 | Fastener device suitable for detachable steel bar truss building carrier plate |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250449A (en) * | 2021-06-21 | 2021-08-13 | 江苏昊钢建筑科技有限公司 | Assembled steel bar truss building carrier plate |
| CN113931364A (en) * | 2021-10-29 | 2022-01-14 | 筑友智造建设科技集团有限公司 | Construction method of prestressed thin plate with detachable ribs and laminated slab |
| CN114411948A (en) * | 2022-01-20 | 2022-04-29 | 唐山德旺建材有限公司 | Connecting piece convenient for quick connection between truss and plate |
-
2020
- 2020-04-14 CN CN202020547147.3U patent/CN212026786U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250449A (en) * | 2021-06-21 | 2021-08-13 | 江苏昊钢建筑科技有限公司 | Assembled steel bar truss building carrier plate |
| CN113931364A (en) * | 2021-10-29 | 2022-01-14 | 筑友智造建设科技集团有限公司 | Construction method of prestressed thin plate with detachable ribs and laminated slab |
| CN114411948A (en) * | 2022-01-20 | 2022-04-29 | 唐山德旺建材有限公司 | Connecting piece convenient for quick connection between truss and plate |
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