CN216552773U - Fastening device for assembled prefabricated stair bolt - Google Patents
Fastening device for assembled prefabricated stair bolt Download PDFInfo
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- CN216552773U CN216552773U CN202123400416.7U CN202123400416U CN216552773U CN 216552773 U CN216552773 U CN 216552773U CN 202123400416 U CN202123400416 U CN 202123400416U CN 216552773 U CN216552773 U CN 216552773U
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- prefabricated staircase
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- staircase
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Abstract
The utility model is suitable for the technical field of building construction, and provides a fastening device for a bolt of an assembly type prefabricated staircase, which comprises a prefabricated staircase, a platform, a positioning component and a reinforcing component, wherein the platform is provided with a groove, the platform is provided with a threaded hole corresponding to the prefabricated staircase, the positions of the platform and the prefabricated staircase are fixed through the bolt, and a gasket made of a rubber material is arranged on the gasket; the positioning assemblies are symmetrically arranged on the platform and the prefabricated staircase and are used for connecting the platform and the prefabricated staircase; the reinforcing component is arranged at the splicing part of the platform and the prefabricated staircase and used for improving the structural strength of the platform and the prefabricated staircase, the fastening device can realize positioning in the using process, the prefabricated staircase is accurately spliced on the platform, the first bolt connects the platform and the prefabricated staircase together, and concrete is poured into the reinforcing component, so that the integral structural strength can be effectively improved, and the loosening condition in the using process is prevented.
Description
Technical Field
The utility model belongs to the technical field of building construction, and particularly relates to a fastening device for an assembled prefabricated stair bolt.
Background
Prefabricated staircase adopts the bolt to fix its position usually in the installation, can not realize quick accurate location in the use, and structural strength is lower, takes place to become flexible easily after long-time the use, has the risk of falling, and the security is lower.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model aims to provide a fastening device of an assembled prefabricated stair bolt, and aims to solve the technical problem that the existing fastening device is easy to loosen after being used for a long time.
The embodiment of the utility model is realized in such a way that the fastening device of the assembled prefabricated staircase bolt comprises a prefabricated staircase and also comprises:
the prefabricated staircase comprises a platform, a pair of supporting rods and a pair of bolts, wherein the platform is provided with a groove, threaded holes corresponding to the prefabricated staircase are formed in the platform, the positions of the platform and the prefabricated staircase are fixed through the bolts, and a gasket made of rubber materials is installed on the gasket;
the positioning assemblies are symmetrically arranged on the platform and the prefabricated staircase and are used for connecting the platform and the prefabricated staircase; and
the reinforcing component is arranged at the splicing position of the platform and the prefabricated staircase and used for improving the structural strength of the platform and the prefabricated staircase.
Preferably, the locating component comprises an insert rod fixedly installed on the prefabricated staircase, the insert rod is in sliding connection with the platform and used for locating the position of the prefabricated staircase, and when the insert rod slides to the limit position, the axes of threaded holes in the platform and the prefabricated staircase are on the same straight line.
Preferably, the positioning assembly further comprises a first fixing pile arranged on the platform, a second fixing pile arranged on the prefabricated staircase, and a limiting sleeve slidably mounted on the first fixing pile and the second fixing pile;
the number of the limiting sleeves is adjusted according to the first fixing pile and the second fixing pile;
wherein, connect through the mounting bracket between the adjacent stop collar.
Preferably, the reinforcement assembly comprises a transverse groove and a longitudinal groove on the setting platform and the prefabricated staircase;
the connecting part of the transverse groove and the longitudinal groove is communicated, so that pouring can be conveniently carried out after positioning is finished;
and a pouring channel is arranged between the platform and the prefabricated staircase, and the bottom end of the pouring channel is communicated with the transverse groove.
Preferably, screw holes are formed in the middle of the mounting rack and the top end of a gap between the platform and the prefabricated staircase, and the mounting rack is fixed in the position of two pairs of bolts.
According to the fastening device for the assembled prefabricated staircase bolt, the positioning can be realized in the using process of the fastening device, the prefabricated staircase is accurately inserted on the platform, the platform and the prefabricated staircase are connected together through the bolt I, and concrete is poured into the reinforcing component, so that the overall structural strength can be effectively improved, and the loosening condition in the using process is prevented.
Drawings
Fig. 1 is a schematic structural view of a fastening device for assembled prefabricated staircase bolts according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
fig. 3 is a perspective view of a mounting bracket of the fastening device for the bolt of the prefabricated staircase according to the embodiment of the present invention.
In the drawings: 1-a platform; 2, prefabricating a stair; 3-a threaded hole; 4, first bolt; 5-a gasket; 6-transverse grooves; 7-longitudinal grooves; 8-pouring channel; 9-inserting a rod; 10, fixing a pile I; 11-fixing a second pile; 12-a mounting frame; 13-a stop collar; and 14-bolt two.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1-3, the structure diagram of the fastening device for the assembled prefabricated staircase bolt provided for one embodiment of the present invention includes a prefabricated staircase 2, a platform 1, a positioning component and a reinforcing component, wherein the platform 1 is provided with a groove, the platform 1 is provided with a threaded hole 3 corresponding to the prefabricated staircase 2, the positions of the platform 1 and the prefabricated staircase 2 are fixed by a bolt one 4, and a gasket 5 made of a rubber material is mounted on the gasket 5; the positioning assemblies are symmetrically arranged on the platform 1 and the prefabricated staircase 2 and are used for connecting the platform 1 and the prefabricated staircase 2; the reinforcing component is arranged at the splicing position of the platform 1 and the prefabricated staircase 2 and used for improving the structural strength of the platform 1 and the prefabricated staircase 2.
In the specific implementation's of this embodiment in-process, this fastener can realize the location in the use, with 2 accurate pegs graft on platform 1 of prefabricated staircase, bolt 4 links together platform 1 and prefabricated staircase 2, and during concrete placement injection reinforced assembly, can effectively improve holistic structural strength, prevent the not hard up condition of appearance in the use.
In one embodiment of the utility model, the prefabricated staircase 2 is arranged on the platform 1 through the positioning component in advance, the platform 1 and the prefabricated staircase 2 are fixed through the first bolts 4, the first bolts are connected and loosened after long-term use, and the reinforcing component is filled after concrete is filled.
As shown in fig. 1, as a preferred embodiment of the present invention, the positioning assembly includes an insert rod 9 fixedly installed on the prefabricated staircase 2, and the insert rod 9 is slidably connected with the platform 1 for positioning the position of the prefabricated staircase 2.
In the specific implementation process of the embodiment, when the stair is used, the free end of the inserted rod 9 slides along the platform 1, and when the inserted rod slides to the extreme position, the axes of the threaded holes 3 on the platform 1 and the prefabricated staircase 2 are in the same straight line.
As shown in fig. 2 and 3, as another preferred embodiment of the present invention, the positioning assembly further includes a first fixing pile 10 disposed on the platform 1, a second fixing pile 11 disposed on the prefabricated staircase 2, and a stop collar 13 slidably mounted on the first fixing pile 10 and the second fixing pile 11;
the number of the limiting sleeves 13 is adjusted according to the first fixing piles 10 and the second fixing piles 11;
wherein, adjacent stop collar 13 is connected through mounting bracket 12.
In the specific implementation process of this embodiment, after the location, stop collar 13 slidable mounting is on spud pile one 10 and spud pile two 11, with the inseparable connection of platform 1 and prefabricated stair 2 together, spud pile one 10, spud pile two 11, mounting bracket 12 and stop collar 13 all adopt the higher material of tensile strength to make, prevent that prefabricated stair 2 atress from taking place to incline.
As shown in fig. 1, as another preferred embodiment of the present invention, the reinforcement assembly includes a transverse groove 6 and a longitudinal groove 7 provided on the platform 1 and the prefabricated staircase 2;
the connecting part of the transverse groove 6 and the longitudinal groove 7 is communicated, so that pouring can be conveniently carried out after positioning is finished;
a pouring channel 8 is arranged between the platform 1 and the prefabricated staircase 2, and the bottom end of the pouring channel 8 is communicated with the transverse groove 6.
In the implementation process of this embodiment, after the position of the prefabricated staircase 2 is adjusted, the concrete is introduced from the pouring channel 8, sequentially enters the transverse groove 6 and the longitudinal groove 7, and then the filling is stopped after the filling is completed, and after the concrete is solidified, the platform 1 and the prefabricated staircase 2 can be tightly connected together.
As shown in fig. 2, as another preferred embodiment of the present invention, a screw hole is provided in the middle of the mounting frame 12 and the top end of the gap between the platform 1 and the prefabricated staircase 2, and the position of the mounting frame 12 is fixed by a second bolt 14.
In the process of the embodiment, the bottom ends of the second bolts 14 are arranged in the gap between the platform 1 and the prefabricated staircase 2 after the pouring is finished, so that the mounting frame 12 is stably mounted on the platform 1 and the prefabricated staircase 2.
In conclusion, the free end of the insertion rod 9 on the prefabricated staircase 2 slides along the platform 1, when the prefabricated staircase slides to the limit position, the limiting sleeve 13 is slidably mounted on the first fixing pile 10 and the second fixing pile 11 to tightly connect the platform 1 and the prefabricated staircase 2 together, the axes of the threaded holes 3 on the platform 1 and the prefabricated staircase 2 are on the same straight line, the platform 1 and the prefabricated staircase 2 are fixed through the first bolt 4, concrete is introduced from the pouring channel 8, sequentially enters the transverse groove 6 and the longitudinal groove 7, and then the filling is stopped after the filling is finished.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a fastener of assembled prefabricated staircase bolt, includes prefabricated staircase, its characterized in that still includes:
the prefabricated staircase comprises a platform, a pair of supporting rods and a pair of bolts, wherein the platform is provided with a groove, threaded holes corresponding to the prefabricated staircase are formed in the platform, the positions of the platform and the prefabricated staircase are fixed through the bolts, and a gasket made of rubber materials is installed on the gasket;
the positioning assemblies are symmetrically arranged on the platform and the prefabricated staircase and are used for connecting the platform and the prefabricated staircase; and
the reinforcing component is arranged at the splicing position of the platform and the prefabricated staircase and used for improving the structural strength of the platform and the prefabricated staircase.
2. The assembled prefabricated staircase bolt fastening device of claim 1, wherein the positioning component comprises an insertion rod fixedly installed on the prefabricated staircase, the insertion rod is slidably connected with the platform for positioning the position of the prefabricated staircase, and when the prefabricated staircase is slid to the limit position, the axes of the threaded holes on the platform and the prefabricated staircase are on the same straight line.
3. The assembled prefabricated staircase bolt fastening device of claim 1, wherein the positioning assembly further comprises a first fixing pile arranged on the platform, a second fixing pile arranged on the prefabricated staircase, and a limiting sleeve slidably arranged on the first fixing pile and the second fixing pile;
the number of the limiting sleeves is adjusted according to the first fixing pile and the second fixing pile;
wherein, connect through the mounting bracket between the adjacent stop collar.
4. The prefabricated staircase bolt fastening device of claim 1, wherein the reinforcement assembly comprises a transverse groove and a longitudinal groove on the setting platform and the prefabricated staircase;
the connecting part of the transverse groove and the longitudinal groove is communicated, so that pouring can be conveniently carried out after positioning is finished;
and a pouring channel is arranged between the platform and the prefabricated staircase, and the bottom end of the pouring channel is communicated with the transverse groove.
5. The assembled prefabricated staircase bolt fastening device of claim 3, wherein the middle part of the mounting frame and the top end of the gap between the platform and the prefabricated staircase are provided with screw holes, and the positions of the two pairs of mounting frames are fixed through the bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123400416.7U CN216552773U (en) | 2021-12-30 | 2021-12-30 | Fastening device for assembled prefabricated stair bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123400416.7U CN216552773U (en) | 2021-12-30 | 2021-12-30 | Fastening device for assembled prefabricated stair bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216552773U true CN216552773U (en) | 2022-05-17 |
Family
ID=81558639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123400416.7U Active CN216552773U (en) | 2021-12-30 | 2021-12-30 | Fastening device for assembled prefabricated stair bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216552773U (en) |
-
2021
- 2021-12-30 CN CN202123400416.7U patent/CN216552773U/en active Active
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