CN209457294U - A kind of precast stair convenient for adjusting stairway width - Google Patents
A kind of precast stair convenient for adjusting stairway width Download PDFInfo
- Publication number
- CN209457294U CN209457294U CN201821929959.3U CN201821929959U CN209457294U CN 209457294 U CN209457294 U CN 209457294U CN 201821929959 U CN201821929959 U CN 201821929959U CN 209457294 U CN209457294 U CN 209457294U
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- connecting block
- precast stair
- fixedly connected
- lower connecting
- convenient
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Abstract
The utility model discloses a kind of precast stairs convenient for adjusting stairway width, including precast stair, the side of the precast stair is fixedly connected with connecting block, the other side of the precast stair is fixedly connected with lower connecting block, the side of the upper connecting block and lower connecting block is fixedly connected to inserting column, the one side of the upper connecting block and lower connecting block is fixedly connected with elasticity layer, the upper surface of the upper connecting block and lower connecting block offers locking hole, screed is fixedly connected at the top of the locking hole inner wall, the locking hole is internally provided with anchor bolt.The utility model can be convenient the installation of precast stair by the way that upper connecting block, lower connecting block, inserting column, elastic layer, locking hole, screed and anchor bolt is arranged, the junction gap of precast stair is set to become larger after can deforming by elastic layer to avoid precast stair, screed blocks locking hole in the case where not influencing precast stair connection installation, it prevents residue from leaking into, is convenient for post-processing.
Description
Technical field
The utility model relates to building prefabricated components technical field, specially a kind of prefabricated building convenient for adjusting stairway width
Ladder.
Background technique
Traditional concrete cast-in-situ stair construction method is outmoded, and construction technology is cumbersome, and long construction period is not applicable in generally
Property, thus cause to increase the construction cost built.Now normal stair construction usually binds steel after the supporting module of scene
Muscle, casting concrete, continuous water seasoning 14 days just can make concrete reach strength criterion, then again manually to stairwell surface
It picks chisel and does hair, then row pastes ceramic tile and fills guardrail, whole process is taken a lot of work arduously, and sewage dust noise is serious.
Although current some precast stairs existing on the market solve above-mentioned conventional concrete cast-in-situ stair construction causes
Some drawbacks, however current precast stair width size is pre-set, precast stair when construction now
It is unable to adjustment width, causes construction inconvenient, influences construction speed.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of precast stair convenient for adjusting stairway width, solution
Determined precast stair cannot when construction adjustment width, the problem of causing construction inconvenient, influence construction speed.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: a kind of convenient for the prefabricated of adjusting stairway width
Stair, including precast stair, the side of the precast stair are fixedly connected with connecting block, and the other side of the precast stair is solid
Surely it is connected with lower connecting block, the side of the upper connecting block and lower connecting block is fixedly connected to inserting column, the upper connecting block
Elasticity layer is fixedly connected with the one side of lower connecting block, and the upper surface of the upper connecting block and lower connecting block offers locking
Hole is fixedly connected with screed at the top of the locking hole inner wall, and the locking hole is internally provided with anchor bolt, the anchor bolt
One end extends through and extends to the bottom of connecting block and lower connecting block, and the front of the precast stair offers mounting hole,
The inner wall of the mounting hole is plugged with connecting rod, and step, the upper table of the step are fixedly connected at the top of the precast stair
Face offers handrail fixation hole, and the precast stair includes gusset, and the upper surface of the gusset is welded with reinforcing rib, the reinforcement
The surface casting of muscle has concrete layer, and the surface of the gusset offers threaded hole.
The technical program is advanced optimized, the upper connecting block and lower connecting block are concrete block, the reinforcing rib
The inside of connecting block and lower connecting block is run through and is extended at both ends.
The technical program is advanced optimized, the elastic layer is PE elastomeric layer.
The technical program is advanced optimized, the inner wall of the mounting hole is fixedly connected with frosted layer, and the connecting rod is real
Heart metallic rod.
The technical program is advanced optimized, the upper surface of the step is fixedly connected with tread plate.
The technical program is advanced optimized, the shape of the gusset is metal frame, and the interior welds of the gusset have slot
Steel.
(3) beneficial effect
Compared with prior art, the utility model provide it is a kind of convenient for adjust stairway width precast stair, have with
It is lower the utility model has the advantages that
This convenient for the precast stair that adjusts stairway width, by be arranged upper connecting block, lower connecting block, inserting column, elastic layer,
Locking hole, screed and anchor bolt can be convenient the installation of precast stair, after being deformed by elastic layer to avoid precast stair
The junction gap of precast stair is set to become larger, screed seals locking hole in the case where not influencing precast stair connection installation
It is stifled, it prevents residue from leaking into, is convenient for post-processing, connected by the way that multiple precast stairs can be combined connecting rod, to not have to
The width for adjusting precast stair can be realized by remaking mold, increase the application range of precast stair, be helped by setting
Hand fixation hole installs handrail for the later period and provides preformed hole, facilitates the installation of balustrade, can by the setting of gusset and reinforcing rib
To promote the support force of precast stair, so that precast stair is more stable when in use.
Detailed description of the invention
Fig. 1 is the utility model main view；
Fig. 2 is the utility model section view；
Fig. 3 is the utility model reinforcing plate structure schematic diagram.
In figure: 1, precast stair；2, upper connecting block；3, lower connecting block；4, inserting column；5, elastic layer；6, locking hole；7, sand
Pulp layer；8, anchor bolt；9, mounting hole；10, connecting rod；11, step；12, handrail fixation hole；13, tread plate；14, gusset；15, add
Strengthening tendons；16, concrete layer；17, channel steel；18, threaded hole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of prefabricated building convenient for adjusting stairway width
Ladder, including precast stair 1, the side of precast stair 1 are fixedly connected with connecting block 2, and the other side of precast stair 1 is fixedly connected
There is a lower connecting block 3, the side of upper connecting block 2 and lower connecting block 3 is fixedly connected to inserting column 4, upper connecting block 2 and lower connecting block
3 one side is fixedly connected with elasticity layer 5, and the upper surface of upper connecting block 2 and lower connecting block 3 offers locking hole 6, locking hole
Screed 7 is fixedly connected at the top of 6 inner walls, locking hole 6 is internally provided with anchor bolt 8, by the way that upper connecting block 2, downlink is arranged
Connecing block 3, inserting column 4, elastic layer 5, locking hole 6, screed 7 and anchor bolt 8 can be convenient the installation of precast stair 1, pass through bullet
Property layer 5 can to avoid precast stair 1 deform after so that the junction gap of precast stair 1 is become larger, screed 7 is not influencing prefabricated building
Locking hole 6 is blocked in the case where 1 connection installation of ladder, prevents residue from leaking into, is convenient for post-processing, one end of anchor bolt 8 is passed through respectively
Wear and extend to the bottom of connecting block 2 and lower connecting block 3, the front of precast stair 1 offers mounting hole 9, mounting hole 9 it is interior
Wall is plugged with connecting rod 10, is connected by that can combine multiple precast stairs 1 connecting rod 10, to not have to remake mould
Tool can realize the width for adjusting precast stair 1, increase the application range of precast stair, the top of precast stair 1 is fixed
Be connected with step 11, the upper surface of step 11 offers handrail fixation hole 12, and precast stair 1 includes gusset 14, gusset 14 it is upper
Surface is welded with reinforcing rib 15, installs handrail by setting handrail fixation hole 12 for the later period and provides preformed hole, facilitates balustrade
Installation, the support force of precast stair 1 can be promoted by the setting of gusset 14 and reinforcing rib 15, so that precast stair 1 makes
With when it is more stable, the surface casting of reinforcing rib 15 has concrete layer 16, and the surface of gusset 14 offers threaded hole 18.
Specifically, upper connecting block 2 and lower connecting block 3 are concrete block, the both ends of reinforcing rib 15 are run through and are extended to
The inside of upper connecting block 2 and lower connecting block 3, so that precast stair 1 and upper connecting block 2 and lower connecting block 3 is made to constitute an entirety,
The stability of whole equipment is promoted, and facilitates the installation of precast stair 1.
Specifically, elastic layer 5 is PE elastomeric layer, PE elastomeric layer can become larger to avoid expansion joint.
Specifically, the inner wall of mounting hole 9 is fixedly connected with frosted layer, connecting rod 10 is solid metal, can be increased in this way
The coefficient of friction of major connector 10 and mounting hole 9.
Specifically, the upper surface of step 11 is fixedly connected with tread plate 13, tread plate 13 can promote the anti-skidding of step 11
Performance.
Specifically, the shape of gusset 14 is metal frame, the interior welds of gusset 14 have channel steel 17, promote the branch of gusset 14
Support stress.
When in use, the main stress frame by gusset 14, reinforcing rib 15 and channel steel 17 as precast stair 1, three
Between be attached by welding, by the upper connecting block 2 of precast stair 1 and upper floor grafting, by the downlink of precast stair 1
Block 3 and lower floor grafting are connect, the junction gap of precast stair 1 is made after deforming by the avoidable precast stair 1 of elastic layer 5
Become larger, it is by anchor bolt 8 that precast stair 1 is fixed, screed 7 is set in locking hole 6 after precast stair 1 is fixed, thus will
Locking hole 6 is closed, by connecting rod 10 and 9 grafting of mounting hole, to facilitate when the splicing of 1 adjustment width of precast stair pre-
Splicing installation between stair 1 processed, installs handrail by setting handrail fixation hole 12 for the later period and provides preformed hole, stair is facilitated to help
The non-skid property of step 11 can be enhanced in the installation of hand, tread plate 13.
In conclusion by the upper connecting block 2 of setting, lower connecting block 3, should be inserted convenient for the precast stair for adjusting stairway width
Connecing column 4, elastic layer 5, locking hole 6, screed 7 and anchor bolt 8 can be convenient the installation of precast stair 1, can be with by elastic layer 5
The junction gap of precast stair 1 is set to become larger after avoiding precast stair 1 from deforming, screed 7 is not influencing the connection peace of precast stair 1
Locking hole 6 is blocked in the case where dress, prevents residue from leaking into, is convenient for post-processing, by can will be multiple pre- by connecting rod 10
The combination of stair 1 connection processed increases prefabricated to can realize the width of adjusting precast stair 1 without remaking mold
The application range of stair installs handrail by setting handrail fixation hole 12 for the later period and provides preformed hole, facilitates the peace of balustrade
Dress, can promote the support force of precast stair 1 by the setting of gusset 14 and reinforcing rib 15, so that precast stair 1 is using
When it is more stable.
It should be noted that, in this document, such as the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of precast stair convenient for adjusting stairway width, including precast stair (1), it is characterised in that: the precast stair
(1) side is fixedly connected with connecting block (2), and the other side of the precast stair (1) is fixedly connected with lower connecting block (3),
The side of the upper connecting block (2) and lower connecting block (3) is fixedly connected to inserting column (4), the upper connecting block (2) and downlink
The one side for connecing block (3) is fixedly connected with elasticity layer (5), and the upper surface of the upper connecting block (2) and lower connecting block (3) opens up
Have locking hole (6), is fixedly connected with screed (7) at the top of locking hole (6) inner wall, the inside of the locking hole (6) is set
It being equipped with anchor bolt (8), one end of the anchor bolt (8) extends through and extends to the bottom of connecting block (2) and lower connecting block (3),
The front of the precast stair (1) offers mounting hole (9), and the inner wall of the mounting hole (9) is plugged with connecting rod (10), described
It being fixedly connected at the top of precast stair (1) step (11), the upper surface of the step (11) offers handrail fixation hole (12),
The precast stair (1) includes gusset (14), and the upper surface of the gusset (14) is welded with reinforcing rib (15), the reinforcing rib
(15) surface casting has concrete layer (16), and the surface of the gusset (14) offers threaded hole (18).
2. a kind of precast stair convenient for adjusting stairway width according to claim 1, it is characterised in that: the upper linking
Block (2) and lower connecting block (3) are concrete block, and the both ends of the reinforcing rib (15) are run through and extend to connecting block (2)
With the inside of lower connecting block (3).
3. a kind of precast stair convenient for adjusting stairway width according to claim 1, it is characterised in that: the elastic layer
It (5) is PE elastomeric layer.
4. a kind of precast stair convenient for adjusting stairway width according to claim 1, it is characterised in that: the mounting hole
(9) inner wall is fixedly connected with frosted layer, and the connecting rod (10) is solid metal.
5. a kind of precast stair convenient for adjusting stairway width according to claim 1, it is characterised in that: the step
(11) upper surface is fixedly connected with tread plate (13).
6. a kind of precast stair convenient for adjusting stairway width according to claim 1, it is characterised in that: the gusset
(14) shape is metal frame, and the interior welds of the gusset (14) have channel steel (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821929959.3U CN209457294U (en) | 2018-11-22 | 2018-11-22 | A kind of precast stair convenient for adjusting stairway width |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821929959.3U CN209457294U (en) | 2018-11-22 | 2018-11-22 | A kind of precast stair convenient for adjusting stairway width |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209457294U true CN209457294U (en) | 2019-10-01 |
Family
ID=68037212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821929959.3U Active CN209457294U (en) | 2018-11-22 | 2018-11-22 | A kind of precast stair convenient for adjusting stairway width |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209457294U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112252607A (en) * | 2020-08-26 | 2021-01-22 | 上海三一筑工建设有限公司 | Spliced prefabricated staircase and use method thereof |
| CN113235843A (en) * | 2021-03-31 | 2021-08-10 | 盐城工学院 | Alternate formula assembled stair |
| CN113603009A (en) * | 2021-08-18 | 2021-11-05 | 江苏和天下节能科技股份有限公司 | Prefabricated component has detection device who transports function |
| CN114482429A (en) * | 2022-03-11 | 2022-05-13 | 江苏和天下节能科技股份有限公司 | Prefabricated staircase with bearing structure |
| CN114790804A (en) * | 2022-05-05 | 2022-07-26 | 中交一公局集团有限公司 | Combined rapid assembling ladder step structure for assembly type building |
| CN114941382A (en) * | 2022-05-31 | 2022-08-26 | 中建八局总承包建设有限公司 | Concrete structure and steel stair waterproof node and construction method thereof |
-
2018
- 2018-11-22 CN CN201821929959.3U patent/CN209457294U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112252607A (en) * | 2020-08-26 | 2021-01-22 | 上海三一筑工建设有限公司 | Spliced prefabricated staircase and use method thereof |
| CN113235843A (en) * | 2021-03-31 | 2021-08-10 | 盐城工学院 | Alternate formula assembled stair |
| CN113603009A (en) * | 2021-08-18 | 2021-11-05 | 江苏和天下节能科技股份有限公司 | Prefabricated component has detection device who transports function |
| CN113603009B (en) * | 2021-08-18 | 2023-03-14 | 江苏和天下节能科技股份有限公司 | Prefabricated component has detection device who transports function |
| CN114482429A (en) * | 2022-03-11 | 2022-05-13 | 江苏和天下节能科技股份有限公司 | Prefabricated staircase with bearing structure |
| CN114482429B (en) * | 2022-03-11 | 2024-03-15 | 江苏和天下节能科技股份有限公司 | Prefabricated staircase with bearing structure |
| CN114790804A (en) * | 2022-05-05 | 2022-07-26 | 中交一公局集团有限公司 | Combined rapid assembling ladder step structure for assembly type building |
| CN114941382A (en) * | 2022-05-31 | 2022-08-26 | 中建八局总承包建设有限公司 | Concrete structure and steel stair waterproof node and construction method thereof |
| CN114941382B (en) * | 2022-05-31 | 2023-12-08 | 中建八局总承包建设有限公司 | Waterproof node for concrete structure and steel stair and construction method thereof |
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