CN206495436U - A kind of precast stair - Google Patents
A kind of precast stair Download PDFInfo
- Publication number
- CN206495436U CN206495436U CN201720138121.1U CN201720138121U CN206495436U CN 206495436 U CN206495436 U CN 206495436U CN 201720138121 U CN201720138121 U CN 201720138121U CN 206495436 U CN206495436 U CN 206495436U
- Authority
- CN
- China
- Prior art keywords
- floor
- mounting bracket
- higher level
- block
- precast stair
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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- Ladders (AREA)
Abstract
The utility model discloses a kind of precast stair, its drip irrigation device includes higher level's floor, subordinate's floor and is arranged at ladder of higher level's floor between subordinate's floor, and the ladder includes lower mounting bracket, upper mounting bracket and some steps;The bridging arrangement for overlap joint is provided between the lower mounting bracket, upper mounting bracket and some steps;The side of the lower mounting bracket is connected and fixed on subordinate's floor, step is overlapped by bridging arrangement upwards successively on the upper surface of opposite side, the lower surface of the upper mounting bracket side is overlapped on the step of the top, and opposite side is connected in higher level's floor, and the utility model has the convenient effect installed.
Description
Technical field
The utility model is related to field of house buildings, and more specifically it is related to a kind of precast stair.
Background technology
Ten points of the use of present steel stair extensively, its have take up an area it is small, the Beauty and it is practical the characteristics of.Notification number
Disclose a kind of Prefabricated composite stair for CN201031475Y utility model, the Prefabricated composite stair include shaped steel stair stringer,
Step plate.The connecting piece of step plate is set up on shaped steel stair stringer, Embeded nut is provided with the left and right ends of step plate.This prefabricated group
Close stair and there is problems with:Connected by bolt, nut, need to twist substantial amounts of nut when installing, trouble is installed, had
It is to be modified.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of convenient prefabricated building installed
Ladder.
To achieve the above object, the utility model provides following technical scheme:A kind of precast stair, including higher level building
Plate, subordinate's floor and ladder of higher level's floor between subordinate's floor is arranged at, the ladder includes lower mounting bracket, upper mounting bracket
With some steps;The bridging arrangement for overlap joint is provided between the lower mounting bracket, upper mounting bracket and some steps;Under described
The side of mounting bracket is connected and fixed on subordinate's floor, and platform is overlapped upwards successively by bridging arrangement on the upper surface of opposite side
Rank, the lower surface of the upper mounting bracket side is overlapped on the step of the top, and opposite side is connected in higher level's floor.
By using above-mentioned technical proposal, ladder by under setting mounting bracket, on mounting bracket be respectively engaged with subordinate building
Plate, higher level's floor so that the two ends of ladder can stablize between higher level's floor and subordinate's floor;And lower mounting bracket, Duo Getai
By overlapping fixation successively between rank, upper mounting bracket, without other fixed structures, fixed process is simplified;And simultaneously as
It to install successively during installation, therefore also must successively dismantle, therefore also more be consolidated after installation is fixed during dismounting.
The utility model is further arranged to:Higher level's floor and subordinate's floor are towards being all provided with the both sides of ladder one end
It is equipped with L-type neck;Inlay card is provided with the lower mounting bracket and upper mounting bracket in the L-type block of the L-type neck.
By using above-mentioned technical proposal, pass through both sides L-type neck and L-type block coordinate so that the superior and the subordinate's floor except for
Mounting bracket is provided outside vertical holding power up and down, also limit above and below mounting bracket horizontal sliding, improve ladder and the superior and the subordinate
The stability connected between floor.
The utility model is further arranged to:The bridging arrangement includes being arranged at step upper surface side or lower mounting bracket
Two away from L-type block side overlap grooves and are arranged at step away from overlap joint groove side or upper mounting bracket away from L-type block side
Two overlap joint blocks.
By using above-mentioned technical proposal, by the setting for overlapping block and overlap joint groove so that the overlap joint of ladder is convenient;And lead to
Cross while setting two overlap joint blocks and overlap joint groove so that bridging arrangement is more stablized.
The utility model is further arranged to:The overlap joint block includes horizontally disposed contiguous block and is vertically arranged at connection
The fixture block of block lower surface;The overlap joint groove includes the translot for contiguous block clamping and the vertical slot for fixture block clamping.
By using above-mentioned technical proposal, coordinated by fixture block and vertical slot, be easy to adjacent ladder directly solid by overlap joint
It is fixed;And by setting contiguous block and translot, contiguous block increase fixture block is caught in the distance of adjacent steps, increase the intensity of clamping;And
Contiguous block is caught in after translot, and contiguous block is not protruded, and the effect of protection is served to contiguous block.
The utility model is further arranged to:It is additionally provided with the upper mounting bracket for being fixedly connected with consolidating for higher level's floor
Determine device.
By using above-mentioned technical proposal, because ladder is by the way that overlap joint is fixed successively from bottom to up, therefore needed when removing
Remove successively under upper;Fixing device is set on upper mounting bracket and higher level's floor, the top of ladder is fixed, made
The fixation of fixing device must will first be released when removing ladder by obtaining, and follow-up dismounting could be carried out to ladder, so as to pass through one
Individual fixing device is completed to the overall fixation of ladder.
The utility model is further arranged to:The fixing device includes being arranged at mounting bracket towards higher level's floor side
Fixed block that chute on the wall of side, sliding are connected in chute, the spring for driving the side slip of fixed block superior floor one
With the fixing groove being arranged on higher level's floor for fixed block clamping.
By using above-mentioned technical proposal, spring compresses fixed block and slid in chute, and higher level is overlapped in upper mounting bracket
After on floor, fixed block can be caught in fixing groove under the compressing of spring, the fixation of mounting bracket and higher level's floor in realization, Gu
Determine mode simple.
The utility model is further arranged to:The fixed block is provided with for being oriented to towards the lower end of higher level's floor side
Inclined-plane.
By using above-mentioned technical proposal, inclined-plane, when upper mounting bracket is installed, fixed block energy are set in the downside of fixed block
It is enough to be compressed on inclined-plane by higher level's floor turning so that fixed block slides into chute, it is easy to what fixed block was installed so as to play
Effect.
The utility model is further arranged to:The upper end of the fixed block is fixed with push pedal, the upper mounting bracket and set
Have and connect in fixing groove and for the through hole of push pedal sliding.
By using above-mentioned technical proposal, push pedal is fixedly connected with fixing hole, and fixed block can be driven by sliding push pedal
Slid in chute;Therefore after fixed block is caught in fixing groove, it can be connected and fixed by sliding push pedal to contact.
The utility model is further arranged to:What the upper end of the push pedal was provided with arc pushes away groove.
By using above-mentioned technical proposal, the groove that pushes away of arc is first fitted with human hand so that people's hand propelled push pedal is exerted oneself more
Comfortably.
The utility model is further arranged to:Also include handrail, some bull sticks and screw rod, the handrail is fixed on bull stick
It is threadedly connected on the downside of end, bull stick on screw rod, the lower end of screw rod is fixed on step.
, can be to bull stick by rotating bull stick by setting bull stick to be arranged on screw rod by using above-mentioned technical proposal
Height be adjusted, so as to adjust the height of handrail on bull stick;Handrail is fixed on bull stick simultaneously, and step is connected with each other,
Improve the stability fixed between step.
In summary, the utility model has advantages below:
1st, ladder is directly fixed by overlapping, easy for installation;
2nd, upper mounting bracket and higher level's floor are provided directly with fixing device, after step-lap is finished, and ladder is integrally entered
Row is fixed;
The 3rd, height-adjustable handrail is set, can be according to actual conditions adjustable handrail height, while handrail connects each
Step, improves the steadiness fixed between step.
Brief description of the drawings
Fig. 1 is the structural representation of the present embodiment;
Fig. 2 is the exploded perspective view of the single step of the present embodiment;
Fig. 3 is the schematic cross-sectional view of the present embodiment fixing device;
Fig. 4 is the schematic cross-sectional view of the present embodiment armrest portion.
Description of reference numerals:1st, lower mounting bracket;2nd, upper mounting bracket;3rd, handrail;4th, subordinate's floor;5th, higher level's floor;6th, platform
Rank;7th, L-type block;8th, L-type neck;9th, translot;10th, vertical slot;11st, contiguous block;12nd, fixture block;13rd, chute;14th, fixed block;15th, it is solid
Determine groove;16th, through hole;17th, push pedal;18th, groove is pushed away;19th, spring;20th, inclined-plane;21st, link;22nd, storage tank;23rd, change;24、
Bull stick;25th, screw rod;26th, connecting tube;27th, block;28th, fixing device;29th, screwed hole.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment:As shown in figure 1, a kind of precast stair, including lower mounting bracket 1, upper mounting bracket 2, step 6, handrail 3 and
Subordinate's floor 4 and higher level's floor 5 for installing the stair.
As depicted in figs. 1 and 2, L-type block 7 is connected with the both sides of lower mounting bracket 1 and upper mounting bracket 2, in subordinate
The L-type neck 8 that size and L-type block 7 are adapted is provided with floor 4 and higher level's floor 5.Step 6 is overlapped in lower mounting bracket 1 and upper peace
Shelve between 2, and the quantity of step 6 can be adjusted according to the difference in height between lower mounting bracket 1 and upper mounting bracket 2.In peace
When filling stair, first lower mounting bracket 1 is caught in the L-type neck 8 on subordinate's floor 4, step 6 is then overlapped upwards successively, finally
Mounting bracket 2 on overlap joint, and upper mounting bracket 2 is caught in higher level's floor 5.
As illustrated in fig. 1 and 2, two translots 9 are provided with the upper surface of lower mounting bracket 1 and step 6, are opened in the downside of translot 9
There is vertical slot 10, translot 9 is connected with vertical slot 10.The company being adapted with translot 9 is welded with the one side of step 6 and upper mounting bracket 2
Block 11 is connect, the fixture block 12 being adapted with vertical slot 10 is welded with the lower surface of contiguous block 11.By by 12 points of contiguous block 11, fixture block
It is not caught in translot 9, vertical slot 10 so that interfixed between lower mounting bracket 1, step 6 and upper mounting bracket 2.
As shown in figure 3, being provided with fixing device 28 on upper mounting bracket 2, fixing device 28 includes being located on upper mounting bracket 2
Chute 13, sliding is provided with fixed block 14 in chute 13, is provided with higher level's floor 5 at the position of correspondence fixed block 14 for solid
Determine the fixing groove 15 that block 14 is caught in.The through hole 16 connected with chute 13 is also provided with the upper surface of upper mounting bracket 2, in through hole 16
The push pedal 17 welded provided with lower end and fixed block 14, what the upper end of push pedal 17 was provided with arc pushes away groove 18, convenient to promote push pedal 17.
One end of fixed block 14 is welded with spring 19, and the other end of spring 19 is fixedly connected with the side wall of chute 13.It is remote in fixed block 14
One end from spring 19 is provided with inclined-plane 20.When mounting bracket 2 are installed, the inclined-plane 20 of fixed block 14 can be pressed on higher level
On the turning of floor 5 so that the extrusion spring 19 of fixed block 14, and moved to the direction away from higher level's floor 5;When fixed block 14 just
During to fixing groove 15, fixed block 14 is caught in fixing groove 15 in the presence of the restoring force of spring 19, the upper installation of mounting bracket 2.
If necessary to dismantle upper mounting bracket 2, then push pedal 17 is first promoted so that fixed block 14 removes fixing groove 15, pacify on upward take out
Shelve 2.
As shown in figure 4, the lower section bolt connection in handrail 3 has link 21, cylinder is provided with the bottom of link 21
Storage tank 22, be provided with the change 23 of annular in storage tank 22, change 23 is rotated with storage tank 22 and is connected.Change 23 with
The top of bull stick 24 is fixedly connected, and the lower end of bull stick 24 is provided with screwed hole 29, and the internal thread of screwed hole 29 is connected with screw rod 25, screw rod
Welded with step 6 25 bottom.The connecting tube 26 that bottom is welded with step 6, the top of connecting tube 26 are arranged with outside bull stick 24
Be threaded with block 27, block 27 can anti-dog link 24 be disconnected pipe 26.Because bull stick 24 is threadedly coupled with screw rod 25
And screw rod 25 is fixed, as long as so rotating bull stick 24, bull stick 24 will be moved along the length direction of screw rod 25, helped so as to adjust
The height of hand 3.
As shown in figure 4, be threaded with fastening bolt in the side of connecting tube 26, by rotational fastener bolt, fastening is allowed
Bolt compresses bull stick 24 so that bull stick 24 can not be rotated, so that fixed bull stick 24.
Ladder installation process:First lower mounting bracket 1 is arranged on subordinate's floor 4, then the step 6 of respective amount is installed,
Mounting bracket 2 is installed afterwards.The height of link 21 is adjusted by rotating bull stick 24 afterwards, when the height of link 21 is suitable
Afterwards, rotational fastener bolt fixes bull stick 24, and finally handrail 3 is arranged on link 21, completes the fixation to ladder.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, it is all in this practicality
Within new design concept, any modification, equivalent substitution and improvements made etc. should be included in protection of the present utility model
Within the scope of.
Claims (10)
1. a kind of precast stair, including higher level's floor (5), subordinate's floor (4) and higher level's floor (5) is arranged in subordinate's floor
(4) ladder between, it is characterised in that:The ladder includes lower mounting bracket (1), upper mounting bracket (2) and some steps (6);Institute
State the bridging arrangement being provided between lower mounting bracket (1), upper mounting bracket (2) and some steps (6) for overlap joint;The lower installation
The side of frame (1) is connected and fixed on subordinate's floor (4), and platform is overlapped upwards successively by bridging arrangement on the upper surface of opposite side
Rank (6), the lower surface of upper mounting bracket (2) side is overlapped on the step of the top (6), and opposite side is connected in higher level's floor
(5)。
2. precast stair according to claim 1, it is characterised in that:Higher level's floor (5) and subordinate's floor (4) towards
L-type neck (8) is provided with the both sides of ladder one end;Inlay card is provided with the lower mounting bracket (1) and upper mounting bracket (2)
In the L-type block (7) of the L-type neck (8).
3. precast stair according to claim 1, it is characterised in that:The bridging arrangement includes being arranged on step (6)
Two overlap joint grooves away from L-type block (7) side of end face side or lower mounting bracket (1) and step (6) is arranged at away from overlap joint groove one
The two overlap joint blocks of side or upper mounting bracket (2) away from L-type block (7) side.
4. precast stair according to claim 3, it is characterised in that:The overlap joint block includes horizontally disposed contiguous block
(11) and it is vertically arranged at the fixture block (12) of contiguous block (11) lower surface;The overlap joint groove includes the horizontal stroke for contiguous block (11) clamping
Groove (9) and the vertical slot (10) for fixture block (12) clamping.
5. precast stair according to claim 1, it is characterised in that:It is additionally provided with the upper mounting bracket (2) for solid
Surely the fixing device (28) of higher level's floor (5) is connected.
6. precast stair according to claim 5, it is characterised in that:The fixing device (28) includes being arranged at installation
Frame (2) is connected to fixed block (14) in chute (13) towards the chute (13) on the wall of higher level's floor (5) side side, sliding, driven
Make the spring (19) of the side slip of the fixed block (14) superior floor (5) one and be arranged on higher level's floor (5) to supply fixed block
(14) fixing groove (15) of clamping.
7. precast stair according to claim 6, it is characterised in that:The fixed block (14) is towards higher level's floor (5) one
The lower end of side is provided with the inclined-plane (20) for guiding.
8. the precast stair according to claim 6 or 7, it is characterised in that:The upper end of the fixed block (14), which is fixed with, to push away
It is provided with and is connected in fixing groove (15) and for the through hole (16) of push pedal (17) sliding on plate (17), the upper mounting bracket (2).
9. precast stair according to claim 8, it is characterised in that:The upper end of the push pedal (17) is provided with pushing away for arc
Groove (18).
10. precast stair according to claim 1, it is characterised in that:Also include handrail (3), some bull sticks (24) and spiral shell
Bar (25), the handrail (3), which is fixed on the downside of bull stick (24) upper end, bull stick (24), to be threadedly connected on screw rod (25), screw rod
(25) lower end is fixed on step (6).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720138121.1U CN206495436U (en) | 2017-02-15 | 2017-02-15 | A kind of precast stair |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720138121.1U CN206495436U (en) | 2017-02-15 | 2017-02-15 | A kind of precast stair |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206495436U true CN206495436U (en) | 2017-09-15 |
Family
ID=59805004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720138121.1U Expired - Fee Related CN206495436U (en) | 2017-02-15 | 2017-02-15 | A kind of precast stair |
Country Status (1)
Country | Link |
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CN (1) | CN206495436U (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107654031A (en) * | 2017-10-31 | 2018-02-02 | 江苏金贸科技发展有限公司 | A kind of dovetail type concrete prefabricated stairs |
CN108625553A (en) * | 2018-03-15 | 2018-10-09 | 福建江夏学院 | A kind of assembled stair and its installation method |
CN109208835A (en) * | 2018-10-23 | 2019-01-15 | 苏州安省建筑设计有限公司 | It is a kind of to lift convenient precast stair and its installation method |
CN111441546A (en) * | 2020-04-10 | 2020-07-24 | 龚大娇 | Indoor assembled stair of building |
CN111622436A (en) * | 2020-05-30 | 2020-09-04 | 河北中铁沧盐建筑科技有限公司 | Prefabricated staircase and installation process thereof |
CN112482676A (en) * | 2020-11-20 | 2021-03-12 | 广州金辉建设集团有限公司 | Prefabricated staircase and installation process thereof |
CN112962884A (en) * | 2021-02-07 | 2021-06-15 | 浙江富成建设集团有限公司 | Fabricated stair structure and construction method thereof |
CN113062540A (en) * | 2021-03-24 | 2021-07-02 | 机械工业第九设计研究院有限公司 | Be used for shock-resistant building industrialization assembled prefabricated staircase structure |
-
2017
- 2017-02-15 CN CN201720138121.1U patent/CN206495436U/en not_active Expired - Fee Related
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107654031A (en) * | 2017-10-31 | 2018-02-02 | 江苏金贸科技发展有限公司 | A kind of dovetail type concrete prefabricated stairs |
CN108625553A (en) * | 2018-03-15 | 2018-10-09 | 福建江夏学院 | A kind of assembled stair and its installation method |
CN109208835A (en) * | 2018-10-23 | 2019-01-15 | 苏州安省建筑设计有限公司 | It is a kind of to lift convenient precast stair and its installation method |
CN111441546A (en) * | 2020-04-10 | 2020-07-24 | 龚大娇 | Indoor assembled stair of building |
CN111441546B (en) * | 2020-04-10 | 2021-08-06 | 临沂磊鑫节能环保科技有限公司 | Indoor assembled stair of building |
CN111622436A (en) * | 2020-05-30 | 2020-09-04 | 河北中铁沧盐建筑科技有限公司 | Prefabricated staircase and installation process thereof |
CN111622436B (en) * | 2020-05-30 | 2021-06-29 | 河北中铁沧盐建筑科技有限公司 | Prefabricated staircase and installation process thereof |
CN112482676A (en) * | 2020-11-20 | 2021-03-12 | 广州金辉建设集团有限公司 | Prefabricated staircase and installation process thereof |
CN112962884A (en) * | 2021-02-07 | 2021-06-15 | 浙江富成建设集团有限公司 | Fabricated stair structure and construction method thereof |
CN113062540A (en) * | 2021-03-24 | 2021-07-02 | 机械工业第九设计研究院有限公司 | Be used for shock-resistant building industrialization assembled prefabricated staircase structure |
CN113062540B (en) * | 2021-03-24 | 2022-08-26 | 机械工业第九设计研究院股份有限公司 | Be used for shock-resistant building industrialization assembled prefabricated staircase structure |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170915 Termination date: 20180215 |