CN215631828U - Corner protection and face protection device for cast-in-place concrete stairs - Google Patents
Corner protection and face protection device for cast-in-place concrete stairs Download PDFInfo
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- CN215631828U CN215631828U CN202121876673.5U CN202121876673U CN215631828U CN 215631828 U CN215631828 U CN 215631828U CN 202121876673 U CN202121876673 U CN 202121876673U CN 215631828 U CN215631828 U CN 215631828U
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Abstract
The utility model relates to the construction of concrete stairs, in particular to a corner protection and face protection device of a cast-in-place concrete stair, which has the advantages of low loss, low cost and convenient use. Including stair, external corner flitch, reentrant corner flitch, the apron of marking time and the riser of marking time, the external corner flitch is all established on the external corner of stair, and the top surface and the bottom surface of external corner flitch all are equipped with the recess, and the reentrant corner flitch is all established on the reentrant corner of stair, all is equipped with the recess on the top surface of reentrant corner flitch and the horizontal plane at middle part, and the inboard position that is close to both ends of the apron of marking time all is equipped with the tenon, and the apron of marking time is established on stair with the riser of marking time. The stair surface is wrapped by the step cover plate and the step vertical plate, so that the stair has a good anti-collision protection effect and good appearance quality, the step cover plate and the step vertical plate are fixed by the external corner battens and the internal corner battens, the whole body is firmly fixed, the displacement is avoided, the use is convenient, the device can be repeatedly used, the loss is avoided, and the construction cost is further reduced.
Description
Technical Field
The utility model relates to the construction of concrete stairs, in particular to a corner protection and face protection device of a cast-in-place concrete stair, which has the advantages of low loss, low cost and convenient use.
Background
In the prior art, after the independent cast-in-place concrete stair is poured, since the corners and the tread are extremely easy to collide and damage in subsequent construction, the appearance quality, the use function and the subsequent decoration surface of the concrete stair are seriously affected, and the traditional concrete stair tread and corner finished product protection construction method mainly comprises the following steps: the method comprises the following steps that a right-angle plate is customized according to the size of a stair by adopting a batten and a film-coated multilayer plate manually, a formwork strip is fixed by an iron nail through the batten or the formwork strip is laid on a step to form a whole, and the batten, the iron nail and the right-angle plate are removed before decoration construction; the template and the rectangular plate made of the battens are fixed on the upper part of the stair step by adopting the scaffold tubes.
The protection method for the corner parts and the step finished products of the stairs has the following limitations: the stair is specially made according to the size of the stair, the using range is narrow, the materials are spread and sold at one time, and the waste is serious; the manual manufacturing and the installation and disassembly processes are multiple, and the device cannot be reused; the mounting and dismounting efficiency is low, the loss is large, the repair and the displacement are easy to carry out for many times, and the construction cost is high; the installation and fixation are not firm, the displacement is easy, and the protection effect of the finished product is poor; the construction speed is slow, and it is inconvenient to use, and there is the potential safety hazard in artifical the passing through.
The defects of unavailable use, large loss, low construction speed, low installation efficiency, multiple mounting and dismounting procedures, insecure fixation, high construction cost, inconvenient passing of personnel and poor protection effect of finished products existing in the conventional corner protector and face protector protection construction method of the concrete structure independent cast-in-place concrete stair become a technical problem to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems, and provides the corner protection and face protection device for the cast-in-place concrete stair, which has the advantages of low loss, low cost and convenient use.
The utility model solves the problems and adopts the technical scheme that:
a corner protection and face protection device of a cast-in-place concrete stair, which comprises a stair and an external corner batten, reentrant corner flitch, the apron of marking time and the riser of marking time, external corner flitch and internal corner flitch are the rectangular flitch of cross-section for L shape, the external corner flitch all sets up on the external corner of stair and the internal corner of external corner flitch all laminates with the external corner of stair, the top surface and the bottom surface of external corner flitch all are provided with the recess, the internal corner flitch all sets up on the internal corner of stair and the external corner of internal corner flitch all laminates with the internal corner of stair, all be provided with the recess on the top surface of internal corner flitch and the horizontal plane at middle part, the inboard position that is close to both ends of the apron of marking time all is provided with the tenon, the apron of marking time sets up on the horizontal plane of stair and the tenon sets up in the inside of the recess of corresponding external corner flitch and internal corner flitch, the riser of marking time sets up on the vertical face of stair and both ends set up the inside at the recess of corresponding external corner flitch and internal corner flitch.
Compared with the prior art, the utility model adopting the technical scheme has the outstanding characteristics that:
the stair surface is wrapped by the step cover plate and the step vertical plate, so that the anti-collision protection effect on the stair is good, and the appearance quality is good.
Secondly, the treading cover plate and the treading vertical plate are fixed through the external corner battens and the internal corner battens, so that the whole body is firmly fixed, the displacement is avoided, and the use is convenient.
The device has the advantages of simple structure, easy manufacture, convenient assembly and disassembly, high efficiency, less process implementation and high construction speed.
The device can be repeatedly used in a turnover mode, loss is avoided, and construction cost is reduced.
Preferably, the further technical scheme of the utility model is as follows:
supporting battens are arranged between the step cover plate and the stairs; the treading cover plate is supported to prevent the treading cover plate from bending.
The lower part of the tail end of the tread cover plate at the topmost end of the stair and the lower part of the tail end of the tread cover plate at the lowest end of the stair are both provided with wood wedges, the wood wedges are wood blocks with trapezoidal sections, and the tops of the wood wedges are provided with grooves matched with the tenons; the pedal cover plates at the two tail ends are conveniently supported.
Rubber plastic cotton is arranged inside the grooves of the external corner batten, the internal corner batten and the wood wedge; play the cushioning effect, prevent that the sand from getting into the junction, make things convenient for the dismouting for it is more firm to connect.
The external corner battens and the internal corner battens are of split structures, each external corner batten is connected with each internal corner batten through an extension spring, the two sides of the internal corner and the external corner of the stair are provided with side wall plates, and the external corner battens and the internal corner battens at the two ends are connected with the side wall plates; the telescopic variable ruler is realized, so that the application range is wide.
Both sides of each external corner batten and each internal corner batten are provided with reinforcing steel bar crosspieces, and the external corner square timber and the internal corner square timber are connected with the extension springs through the reinforcing steel bar crosspieces; the disassembly and assembly are convenient.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic top view of an embodiment of the present invention;
FIG. 3 is a schematic view of the structure at A in FIG. 1;
fig. 4 is a schematic diagram of the structure at B in fig. 1.
In the figure: a staircase 1; 2, external corner battens; 3, reentrant corner battens; a wood wedge 4; supporting the small battens 5; rubber plastic cotton 6; a side wall panel 7; a reinforcement bar crosspiece 8; an extension spring 9; a step cover plate 10; a stepping vertical plate 11; a tenon 12.
The specific implementation mode is as follows:
the utility model will be further illustrated by the following examples, which are intended only for a better understanding of the present invention and therefore do not limit the scope of the utility model.
Referring to fig. 1 to 4, a corner protection and face protection device for a cast-in-place concrete stair comprises a stair 1, an external corner batten 2, an internal corner batten 3, a step cover plate 10 and a step vertical plate 11, wherein the external corner batten 2 and the internal corner batten 3 are strip battens with L-shaped cross sections, the external corner batten 2 is installed on an external corner of the stair 1, an internal corner of the external corner batten 2 is attached to an external corner of the stair 1, grooves are formed in the top surface and the bottom surface of the external corner batten 2, the internal corner batten 3 is installed on an internal corner of the stair 1, an external corner of the internal corner batten 3 is attached to an internal corner of the stair 1, grooves are formed in the horizontal planes of the top surface and the middle part of the internal corner batten 3, the external corner batten 2 and the internal corner batten 3 are of split structures, reinforcing steel bars crosspieces 8 made of threaded rivets are fixedly installed on two sides of each of the external corner batten 2 and the internal corner batten 3, and reinforcing steel bars are connected between each external corner batten 2 and each internal corner batten 3 through a tensile steel bar 8 and a spring 9, lateral wall board 7 is all installed to the both sides of the external corner of stair 1 and reentrant corner department, lateral wall board 7 is fixed on stair 1 through iron, the external corner flitch 2 and the reentrant corner flitch 3 that are located both ends are connected with lateral wall board 7, be used for blocking stair 1 both sides, prevent that external corner flitch 2 and reentrant corner flitch 3 from sliding, realize flexible chi that becomes, make application scope extensive, the position that the apron 10 inboard of marking time is close to both ends all installs tenon 12, the apron 10 of marking time is installed on stair 1's horizontal plane and tenon 12 cooperation is in the inside of corresponding external corner flitch 2 and reentrant corner flitch 3's recess, riser 11 of marking time is installed on stair 1's vertical plane and both ends cooperation is in the inside of corresponding external corner flitch 2 and reentrant corner flitch 3's recess.
Wooden wedge 4 is all installed to the terminal lower part of 1 top of stair cover plate 10 of marking time of 1 bottom of stair and the terminal lower part of the cover plate 10 of marking time of 1 bottom of stair, and wooden wedge 4 is right trapezoid's billet for the cross-section, and wooden wedge 4's sharp angle limit is provided with the recess that suits with tenon 12 towards the export direction of platform, the convenient cover plate 10 of marking time that supports two ends.
The inside of the recess of external corner flitch 2, reentrant corner flitch 3 and wood wedge 4 all inlays and has the rubber and plastic cotton 6 of full coverage, plays the cushioning effect, prevents that the sand from getting into the junction, makes things convenient for the dismouting for connect more firmly.
Pouring the stair 1, after the strength and age of the stair 1 reach the design requirements, respectively placing the external corner battens 2 and the internal corner battens 3 at the external corner and the internal corner of the step of the stair 1 and connecting the external corner battens and the internal corner battens by using the extension spring 9, respectively placing two wood wedges 4 on the uppermost platform and the lowermost platform of the stair 1 after one is completely placed, respectively clamping the side wall plates 7 on the side surfaces of the external corner and the internal corner of the stair 1, respectively pulling the external corner battens 2 and the internal corner battens 3 towards the two ends of the stair 1 until the external corner battens and the internal corner battens are connected with the side wall plates 7, tightly clamping the tensioning wall plates 7 on the two sides of the stair 1 into a whole due to the elasticity of natural contraction after the extension spring 9, respectively placing the step cover plate 10 into the grooves of the corresponding external corner battens 2 and the internal corner battens 3 through the tenons 12, respectively placing the two ends of the step vertical plate 11 into the grooves of the corresponding external corner battens 2 and the corresponding internal corner battens 3, can form 1 bight of stair, the protection of marking time, when treating to carry out follow-up veneer construction, the tenon 12 of apron 10 of marking time and the riser 11 of marking time dig out, and not hard up extension spring 9 can accomplish and demolish.
According to the utility model, the surface of the stair 1 is wrapped by the step cover plate 10 and the step vertical plate 11, so that the anti-collision protection effect on the stair 1 is good, the appearance quality is good, the step cover plate 10 and the step vertical plate 11 are fixed by the external corner battens 2 and the internal corner battens 3, the integral fixation is firm, the displacement is avoided, the use is convenient, the device has the advantages of simple structure, easiness in manufacture, convenience in installation and disassembly, high efficiency, less process implementation and high construction speed, the device can be repeatedly recycled, the loss is avoided, and the construction cost is further reduced.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, which is defined in the appended claims.
Claims (6)
1. The utility model provides a cast in situ concrete stair's angle bead visor device, includes stair, its characterized in that: still include the external corner flitch, the reentrant corner flitch, the apron of marking time and the riser of marking time, external corner flitch and reentrant corner flitch are the rectangular flitch of cross-section for L shape, the external corner flitch all sets up on the external corner of stair and the interior turning of external corner flitch all laminates with the external corner of stair, the top surface and the bottom surface of external corner flitch all are provided with the recess, the reentrant corner flitch all sets up on the reentrant corner of stair and the exterior corner of reentrant corner flitch all laminates with the reentrant corner of stair, all be provided with the recess on the top surface of reentrant corner flitch and the horizontal plane at middle part, the inboard position of the apron of marking time that is close to both ends all is provided with the tenon and marks time, the apron sets up on the horizontal plane of stair and the protruding inside that sets up the recess at corresponding external corner flitch and reentrant corner flitch, the riser sets up on the vertical face of stair and both ends set up the inside at the recess of corresponding external corner flitch and reentrant corner flitch.
2. The corner protector and face guard of cast-in-place concrete stairway as claimed in claim 1, wherein: support battens are arranged between the step cover plate and the stairs.
3. The corner protector and face guard of cast-in-place concrete stairway as claimed in claim 1, wherein: the lower part of the tail end of the stair topmost step cover plate and the lower part of the tail end of the stair lowest step cover plate are both provided with wood wedges, the wood wedges are wood blocks with trapezoidal sections, and the tops of the wood wedges are provided with grooves matched with the tenons.
4. The corner protector and face guard of cast-in-place concrete stairway as claimed in claim 3, wherein: the inside of the grooves of the external corner batten, the internal corner batten and the wood wedge is provided with rubber and plastic cotton.
5. The corner protector and face guard of cast-in-place concrete stairway as claimed in claim 1, wherein: external corner flitch and reentrant corner flitch are split type structure, all connect through extension spring between every external corner flitch and the reentrant corner flitch, and the both sides of reentrant corner and external corner department of stair all are provided with the lateral wall board, and the external corner flitch and the reentrant corner flitch that are located both ends are connected with the lateral wall board.
6. The corner protector and face guard of cast-in-place concrete stair of claim 5, wherein: the both sides of every external corner flitch and reentrant corner flitch all are provided with the reinforcing bar crosspiece, and external corner square timber passes through the reinforcing bar crosspiece with extension spring with reentrant corner square timber and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121876673.5U CN215631828U (en) | 2021-08-12 | 2021-08-12 | Corner protection and face protection device for cast-in-place concrete stairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121876673.5U CN215631828U (en) | 2021-08-12 | 2021-08-12 | Corner protection and face protection device for cast-in-place concrete stairs |
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| Publication Number | Publication Date |
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| CN215631828U true CN215631828U (en) | 2022-01-25 |
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| CN202121876673.5U Active CN215631828U (en) | 2021-08-12 | 2021-08-12 | Corner protection and face protection device for cast-in-place concrete stairs |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482375A (en) * | 2021-08-12 | 2021-10-08 | 中国二十二冶集团有限公司 | Corner protection and face protection device for cast-in-place concrete stairs |
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2021
- 2021-08-12 CN CN202121876673.5U patent/CN215631828U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482375A (en) * | 2021-08-12 | 2021-10-08 | 中国二十二冶集团有限公司 | Corner protection and face protection device for cast-in-place concrete stairs |
| CN113482375B (en) * | 2021-08-12 | 2024-05-14 | 中国二十二冶集团有限公司 | Corner and face protection device for cast-in-place concrete stairway |
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