CN215211981U - Rotary steel stair structure - Google Patents
Rotary steel stair structure Download PDFInfo
- Publication number
- CN215211981U CN215211981U CN202120868004.7U CN202120868004U CN215211981U CN 215211981 U CN215211981 U CN 215211981U CN 202120868004 U CN202120868004 U CN 202120868004U CN 215211981 U CN215211981 U CN 215211981U
- Authority
- CN
- China
- Prior art keywords
- bar
- extension bar
- stair frame
- stair
- bearing
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 19
- 239000010959 steel Substances 0.000 title claims abstract description 19
- 238000003466 welding Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 41
- 230000000694 effects Effects 0.000 abstract description 8
- 230000006978 adaptation Effects 0.000 abstract description 2
- 230000005484 gravity Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a rotatory steel stair structure, including the bearing bar, the top threaded connection of bearing bar has the extension bar, the connecting seat is all installed with the outward appearance of extension bar to the bearing bar, the outer skin weld of connecting seat has the bracing piece, stair frame is installed to the tail end of bracing piece, stair frame's top is provided with the pedal, the inserting groove has been seted up on stair frame's top, the connecting plate is installed to stair frame's tail end gomphosis. The utility model discloses a setting of bearing bar and extension bar, play the effect of joint support to the stair frame through the bracing piece on bearing bar and the extension bar, and the setting through locating lever and spread groove between bearing bar and the extension bar is pegged graft the installation, through seting up of the fillet of screw on the locating lever, with screw thread seat looks adaptation in the spread groove to after the locating lever is pegged graft, thereby can rotate and play better fixed effect, the rotation of extension bar can drive the stair frame on the extension bar and rotate.
Description
Technical Field
The utility model relates to a stair ann technical field specifically is a revolving steel stair structure.
Background
The spiral stair is generally called as spiral or spiral stair and is generally arranged around a single column, the spiral stair cannot be used as a main pedestrian traffic and evacuation stair, but the spiral stair is usually used for office buildings and residential buildings with few floor numbers or arranged in courtyards or rooms as building commodities due to attractive, elegant and elegant streamline and space-saving performance, and the existing spiral steel stair has certain defects in installation and use and cannot meet more use requirements.
A revolving steel stair structure shortcoming is not enough among the prior art:
1. when the spiral steel stair structure in the prior art is used, most of existing spiral steel stairs are too scattered in structure and slow in installation efficiency when being installed, and time and labor are wasted when manual installation is carried out;
2. a revolving steel stair structure among the prior art, when using, the installation stability effect of most revolving steel stairs is relatively poor, and because the characteristic of its unsettled installation, the bearing capacity on its surface is limited, consequently is difficult enough to install too much structure, lacks convenient supplementary service structure in the use, and the practicality is relatively poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a revolving steel stair structure to solve the problem that proposes among the above-mentioned background art.
In order to realize the above-mentioned purpose, the utility model provides a following technical scheme, a rotatory steel stair structure, including the bearing bar, the top threaded connection of bearing bar has the extension bar, the connecting seat is all installed with the outward appearance of extension bar to the bearing bar, the outer skin weld of connecting seat has the bracing piece, stair frame is installed to the tail end of bracing piece, stair frame's top is provided with the pedal, the inserting groove has been seted up on stair frame's top, the connecting plate is installed to stair frame's tail end gomphosis, the handle is installed through stair frame through the both sides of connecting plate.
Preferably, the bearing bar all is connected with the fixation clamp with the surface of extension bar, the installation piece is all installed at the both ends of fixation clamp, the internal thread of installation piece runs through and installs spacing bolt, the surface mounting of fixation clamp has the handrail.
Preferably, the anti-skidding base is installed to the bottom of bearing bar, the surface connection of anti-skidding base top and bearing bar has the stress pole.
Preferably, the connecting groove has been seted up with the top of extension bar to the bearing bar, the bottom of the inner wall of connecting groove is provided with the screw thread seat, the locating lever is installed to the bottom of extension bar, the whorl circle has been seted up to the bottom of the surface of locating lever.
Preferably, the tops of the two sides of the stair frame are provided with limiting holes, the two sides of the connecting plate are provided with threaded holes, and the inner threads of the threaded holes are connected with fixing screw rods.
Preferably, the bottom of the two sides of the stair frame is provided with a sliding seat, and the inner wall of the sliding seat is connected with a limiting sliding block in a sliding manner.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model has the advantages that the bearing rod and the extension rod are arranged, the bearing rod and the extension rod are connected and supported by the support rod, the bearing rod and the extension rod are inserted and installed by the arrangement of the positioning rod and the connecting groove, the threaded ring on the positioning rod is arranged and is matched with the threaded seat in the connecting groove, thereby the positioning rod can be rotated to achieve better fixing effect after being inserted and installed, the rotation of the extension rod can drive the stair frame on the extension rod to rotate, the extension rod corresponds to the stair frame on the bearing rod after being rotated, the limit slider is slid by the arrangement of the connecting plate, the limit slider loses the blocking effect on the handle, the connecting plate can be slid out by the handle, the handle is inserted into the inserting groove, the extension rod is fixed by the fixing screw rod, thereby the installation between the relative stair frames is completed, the convenience of the installation of the device is increased, the installation efficiency is improved.
2. The utility model discloses a setting of fixation clamp and installation piece, all can pass through the spacing bolt on the installation piece on bearing bar and the extension bar, accomplish the installation to the fixation clamp, and can adjust the mounting height of fixation clamp according to the in-service use demand, make the handrail on the fixation clamp, the use of laminating more, alleviate the influence of gravity on the stair frame, and the installation through anti-skidding base, play certain stabilizing action to the device is whole, and this device can be according to the in-service use demand, the installation quantity of adjustment extension bar, thereby the installation quantity of adjustment stair frame, suitability when having addd the device installation then, make it can be applicable to more installation environment, add the practicality of device.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the extension bar of the present invention;
FIG. 3 is a schematic sectional view of the connection plate structure of the present invention;
fig. 4 is a schematic view of the cross-sectional structure of the bearing bar of the present invention.
In the figure: 1. a load-bearing bar; 2. lengthening a rod; 3. a connecting seat; 4. a support bar; 5. a stair frame; 6. treading a pedal; 7. a connecting plate; 8. a grip; 9. a fixing clip; 10. mounting a sheet; 11. an anti-slip base; 12. a threaded seat; 13. positioning a rod; 14. fixing the screw rod; 15. a sliding seat; 16. and a limiting sliding block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be a fixed connection or a movable connection, or may be a detachable connection, or may be integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, an embodiment provided by the present invention is a rotary steel stair structure, including a bearing rod 1, an anti-slip base 11 is installed at the bottom of the bearing rod 1, a stress rod is connected to the top of the anti-slip base 11 and the outer surface of the bearing rod 1, an extension rod 2 is connected to the top of the bearing rod 1 through a screw thread, connecting seats 3 are installed on the outer surfaces of the bearing rod 1 and the extension rod 2, fixing clips 9 are connected to the outer surfaces of the bearing rod 1 and the extension rod 2, a connecting groove is opened at the top of the bearing rod 1 and the extension rod 2, a screw thread seat 12 is installed at the bottom of the inner wall of the connecting groove, a positioning rod 13 is installed at the bottom of the extension rod 2, a thread ring is opened at the bottom of the outer surface of the positioning rod 13, mounting pieces 10 are installed at both ends of the fixing clips 9, a limit bolt is installed through the inner thread of the mounting pieces 10, a handrail is installed on the outer surface of the fixing clips 9,
through the setting of fixation clamp 9 and installation piece 10, all can pass through the spacing bolt on the installation piece 10 on bearing bar 1 and extension bar 2, accomplish the installation to fixation clamp 9, and can adjust the mounting height of fixation clamp 9 according to the in-service use demand, make the handrail on the fixation clamp 9, the use of laminating more, alleviate the influence of gravity on stair frame 5, and the installation through anti-skidding base 11, wholly play certain stabilizing action to the device, and this device can be according to the in-service use demand, the installation quantity of adjustment extension bar 2, thereby adjust stair frame 5's installation quantity, suitability when having increased the device installation then, make it can be applicable to more installation environment, increase the practicality of device.
Outer skin weld of connecting seat 3 has bracing piece 4, stair frame 5 is installed to the tail end of bracing piece 4, spacing hole has all been seted up at the top of the both sides of stair frame 5, threaded hole is seted up to the both sides of connecting plate 7, the internal thread of screw hole is connected with lead screw 14, sliding seat 15 is installed to the bottom of the both sides of stair frame 5, sliding seat 15 inner wall sliding connection has spacing slider 16, stair frame 5's top is provided with pedal 6, the inserting groove has been seted up on stair frame 5's top, connecting plate 7 is installed to stair frame 5's tail end gomphosis, the both sides of connecting plate 7 are run through stair frame 5 and are installed handle 8.
Through the setting of bearing bar 1 and extension bar 2, play the effect of joint support to stair frame 5 through bracing piece 4 on bearing bar 1 and the extension bar 2, and carry out the grafting installation through the setting of locating lever 13 and spread groove between bearing bar 1 and the extension bar 2, through the setup of the whorl circle on locating lever 13, with the screw thread seat 12 looks adaptation in the spread groove, thereby after locating lever 13 pegs graft, can rotate and play better fixed effect, the rotation of extension bar 2 can drive stair frame 5 on extension bar 2 to rotate, correspond with stair frame 5 on bearing bar 1 after rotating, and through the setting of connecting plate 7, slide limit slider 16, make it lose the barrier effect to grip 8, can use grip 8 to roll off connecting plate 7, make it insert in the peg graft groove, fix it through fixed lead screw 14, thereby accomplish the installation between relative stair frame 5, the installation of the device is increased, so that the convenience is realized, and the installation efficiency is improved.
The detailed description of the known functions and the known components is omitted in the embodiment of the disclosure, and all the adopted operation means are kept as same as the parameters of the instruments on the market in order to ensure the compatibility of the equipment.
The utility model discloses in, the device's working procedure as follows:
1. through the matching work of the bearing rod 1 and the extension rod 2, the bearing rod 1 and the extension rod 2 play a role of connecting and supporting the stair frames 5 through the support rod 4, and the bearing rod 1 and the extension rod 2 are inserted and installed through the arrangement of the positioning rod 13 and the connecting groove, through the arrangement of the thread ring on the positioning rod 13, the thread ring is matched with the thread seat 12 in the connecting groove, so that after the positioning rod 13 is inserted and connected, the rotation can be carried out, thereby achieving a better fixing effect, the rotation of the extension rod 2 can drive the stair frames 5 on the extension rod 2 to rotate, the rotation corresponds to the stair frames 5 on the bearing rod 1, through the arrangement of the connecting plate 7, the limiting slide block 16 is slid, the blocking effect on the handle 8 is lost, the handle 8 can be used for sliding out the connecting plate 7, the connecting plate is inserted into the inserting groove, the fixing screw rod 14 is used for fixing the extension rod, thereby completing the installation between the relative stair frames 5, the device is convenient and fast to install, and the installation efficiency is improved;
2. through the collocation work of fixation clamp 9 and installation piece 10, all can pass through the spacing bolt on the installation piece 10 on bearing bar 1 and extension bar 2, accomplish the installation to fixation clamp 9, and can adjust the mounting height of fixation clamp 9 according to the in-service use demand, make the handrail on the fixation clamp 9, the use of laminating more, alleviate the influence of gravity on the stair frame 5, and the installation through anti-skidding base 11, wholly play certain stabilizing action to the device, and this device can be according to the in-service use demand, the installation quantity of adjustment extension bar 2, thereby adjust the installation quantity of stair frame 5, suitability when having increased the device installation then, make it can be applicable to more installation environment, increase the practicality of device.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a rotatory steel stair structure, includes bearing bar (1), its characterized in that: the top threaded connection of bearing bar (1) has extension bar (2), connecting seat (3) are all installed with the outward appearance of extension bar (2) in bearing bar (1), the outer surface welding of connecting seat (3) has bracing piece (4), stair frame (5) are installed to the tail end of bracing piece (4), the top of stair frame (5) is provided with pedal (6), the inserting groove has been seted up on the top of stair frame (5), connecting plate (7) are installed to the tail end gomphosis of stair frame (5), handle (8) are run through stair frame (5) in the both sides of connecting plate (7).
2. A rotating steel staircase structure according to claim 1, characterized in that: the utility model discloses a handrail, including extension bar (2), bearing rod (1), mounting piece (10), the internal thread of mounting piece (10) runs through and installs limit bolt, the surface mounting of retaining clip (9) has the handrail, the outer surface of bearing rod (1) and extension bar (2) all is connected with fixation clamp (9), mounting piece (10) are all installed to the both ends of fixation clamp (9).
3. A rotating steel staircase structure according to claim 1, characterized in that: the anti-skidding structure is characterized in that an anti-skidding base (11) is installed at the bottom of the bearing rod (1), and the top of the anti-skidding base (11) is connected with a stress rod together with the outer surface of the bearing rod (1).
4. A rotating steel staircase structure according to claim 1, characterized in that: the connecting groove has been seted up with the top of extension bar (2) in bearing bar (1), the bottom of the inner wall of connecting groove is provided with screw thread seat (12), locating lever (13) are installed to the bottom of extension bar (2), the fillet of screw has been seted up to the bottom of the surface of locating lever (13).
5. A rotating steel staircase structure according to claim 1, characterized in that: the top of the two sides of the stair frame (5) is provided with a limiting hole, the two sides of the connecting plate (7) are provided with threaded holes, and the inner threads of the threaded holes are connected with fixing screw rods (14).
6. A rotating steel staircase structure according to claim 1, characterized in that: the bottom of the two sides of the stair frame (5) is provided with a sliding seat (15), and the inner wall of the sliding seat (15) is connected with a limiting sliding block (16) in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120868004.7U CN215211981U (en) | 2021-04-26 | 2021-04-26 | Rotary steel stair structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120868004.7U CN215211981U (en) | 2021-04-26 | 2021-04-26 | Rotary steel stair structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215211981U true CN215211981U (en) | 2021-12-17 |
Family
ID=79450815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120868004.7U Expired - Fee Related CN215211981U (en) | 2021-04-26 | 2021-04-26 | Rotary steel stair structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215211981U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117161628A (en) * | 2023-10-30 | 2023-12-05 | 南通海国机械有限公司 | Spiral escalator welding device |
-
2021
- 2021-04-26 CN CN202120868004.7U patent/CN215211981U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117161628A (en) * | 2023-10-30 | 2023-12-05 | 南通海国机械有限公司 | Spiral escalator welding device |
| CN117161628B (en) * | 2023-10-30 | 2023-12-29 | 南通海国机械有限公司 | Spiral escalator welding device |
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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 |
Granted publication date: 20211217 |