CN107700768A - A kind of ruggedized construction of municipal garden architecture interior trim stair - Google Patents
A kind of ruggedized construction of municipal garden architecture interior trim stair Download PDFInfo
- Publication number
- CN107700768A CN107700768A CN201710807889.8A CN201710807889A CN107700768A CN 107700768 A CN107700768 A CN 107700768A CN 201710807889 A CN201710807889 A CN 201710807889A CN 107700768 A CN107700768 A CN 107700768A
- Authority
- CN
- China
- Prior art keywords
- branch sleeve
- column
- interior trim
- ruggedized construction
- municipal garden
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F11/022—Stairways; Layouts thereof characterised by the supporting structure
- E04F11/032—Spiral stairways supported by a central column
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F11/104—Treads
- E04F11/108—Treads of wood or with an upper layer of wood
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F2011/0203—Miscellaneous features of stairways not otherwise provided for
- E04F2011/0205—Stairways characterised by the use of specific materials for the supporting structure of the treads
- E04F2011/0209—Stairways characterised by the use of specific materials for the supporting structure of the treads mainly of metal
Abstract
The invention discloses a kind of ruggedized construction of municipal garden architecture interior trim stair, belong to garden architecture field.Some pedal units of the column and some spiral windings that the present invention includes being fixedly installed vertically around column, each described pedal unit includes pedal body and the support frame for supporting the pedal body, support frame includes branch sleeve, two support frames and connecting framework laterally to overhang, branch sleeve is set on described column, one end of support frame is arranged to fixing end, the other end is projecting end, the fixing end of two support frames is fixedly connected with the outer wall side of the branch sleeve, the projecting end of two support frames is spaced apart and the both ends with the connecting framework are fixedly connected respectively, the top of two support frames and connecting framework is formed with an installation portion for installing pedal body.
Description
Technical field
The present invention relates to garden architecture, more particularly to a kind of ruggedized construction of municipal garden architecture interior trim stair.
Background technology
With the continuous improvement of people's living standards, duplex or house with loft are more and more common.
In this kind of house, resident family climbs loft or stepped on to next level and is intended to use stair, is fixed on the spiral stairses on column because of it
With appearance looks elegant, it is upper downstairs it is convenient, save the characteristics of space and be widely used.
Existing common spiral stairses include column fixed vertically and spiral winding located at column surrounding and hung down with column
Directly fixed some pedals, pedal is usually a wooden flat board, and the outside that people steps on flat board when on pedal is easily rocked, given people
When using stair a kind of less stable or sense of insecurity, therefore many spiral stairses can be in the Outboard Sections of pedal
One guardrail is set, but the setting of guardrail is simply convenient for people to the handrail when stair use, the unactual pedal that solves shakes
Dynamic situation, and guardrail is typically mounted on pedal, therefore pedal area is also reduced on the contrary, it is empty to reduce using for stair
Between.
The content of the invention
The purpose of the present invention aim to solve the problem that existing common spiral stairses easily rock, less stable the defects of, there is provided one
Kind can improve the ruggedized construction of the municipal garden architecture interior trim stair of spiral stairses pedal stability and staircase structure intensity.
The present invention technical purpose technical scheme is that：
A kind of ruggedized construction of municipal garden architecture interior trim stair, including the column being fixedly installed vertically and some spiral windings
Some pedal units around column, it is characterized in that, each described pedal unit includes pedal body and for supporting
State the support frame of pedal body, two support frames and connecting framework that support frame includes branch sleeve, laterally overhang, connection
Sleeve set is on described column, and one end of support frame is arranged to fixing end, and the other end is projecting end, two support frames
Fixing end is fixedly connected with the outer wall side of the branch sleeve, and the projecting end of two support frames is spaced apart and distinguishes
It is fixedly connected with the both ends of the connecting framework, the top of two support frames and connecting framework is used to install pedal sheet formed with one
The installation portion of body.
Using above-mentioned technical proposal, this is replaced with by way of original wooden flat board directly is installed into fixation with column
By way of supporting installation pedal body support frame in technical scheme, i.e., only pedal body need to be fixedly installed in installation portion
It is interior, substantially increase the structural strength of pedal, and support frame is made up of two support frames and connecting framework, support frame with
Branch sleeve is fixedly connected, and effectively improves the spiral stairses situation that pedal easily rocks when in use.
Preferably, the distance between projecting end of two support frame is more than the distance between two fixing ends, described
Connecting framework is circular arc tabular, makes to form fan shape between two support frames and connecting framework.
Using above-mentioned technical proposal, by the way that two support frames and connecting framework are formed into fan shape structure, and people exist
The position for setting foot on pedal is usually the usable floor area that pedal is increased at the projecting end away from column, improves the security of people,
Simultaneously as forming sector structure makes integral-rotation stair good appearance, good decorative property.
Preferably, described support frame is steel profile, including the side shield and supporting plate being connected as a single entity, two branch
The support plate level of support bone frame is oppositely arranged, and described two side shields are obliquely installed, make two support frames and connecting framework it
Between form an installation portion to lower recess, described pedal body is correspondingly flush-mounted in described installation portion.
Using above-mentioned technical proposal, by support frame made of steel profile, and support frame is by side shield and supporting plate
Be integrally formed, fabrication and installation are convenient, simple in construction, while by pedal body in installation portion, is made pedal body with
Support frame is easy for installation, and stability is good.
Preferably, side of the described side shield away from supporting plate is vertically arranged with damping side plate, the upper end of damping side plate
Side is connected as a single entity with the side shield, and the lower end side of damping side plate overhangs downwards, and damping side plate is close to the branch sleeve
One end end and the outer wall of branch sleeve be welded to connect.
Using above-mentioned technical proposal, by setting damping side plate, shape is in an acute angle between damping side plate and side shield, so as to
When the pin of people is stepped on pedal, there is certain downward pressure to the part away from branch sleeve on support frame, by
There is an acute angle between damping side plate and side shield, serve the shockproof effect of support frame and pedal, improve simultaneously
The degree of being connected firmly of support frame and branch sleeve.
Preferably, the lower end side of described damping side plate is connected with the major arc plate of an opening downwards, makes excellent
One arc groove formed on arc plate bottom, and an arc convex formed on the top of major arc plate, major arc plate close to one end of branch sleeve with
The outer wall of branch sleeve is welded and fixed connection.
, can be to part meeting of the pedal away from branch sleeve when the pin of people is stepped down on pedal using above-mentioned technical proposal
Downward pressure and upward restoring force are produced, so that pedal rocks, by the major arc plate of damping side plate integrally connected one, especially
It is that bottom is arc groove, and top is the major arc harden structure of arc convex, can effectively decompose and put down production up and down when pedal rocks
Raw power, improves shockproof effect.
Preferably, described supporting plate is provided with upward flange, described pedal body away from the side shield side
Bottom be provided with groove corresponding with the flange.
Using above-mentioned technical proposal, by setting flange and corresponding with the groove of pedal body bottom embedding on supporting plate
Dress, plays positioning action, enhances the stability of pedal when being installed on to pedal body on installation portion.
Preferably, the bottom of described supporting plate is vertically arranged with the connection reinforcement with the damping side plate spacing distance
Muscle.
Using above-mentioned technical proposal, by setting connection strengthening rib in the bottom of supporting plate, support frame entirety is added
Length in a vertical direction, further improve when people's pin is stepped on pedal to support frame fixing end and adapter sleeve
The degree of being connected firmly of cylinder.
Preferably, up and down parallel first is provided with one side of the described connection strengthening rib away from the damping side plate
Raised line and the second raised line.
Using above-mentioned technical proposal, by setting the first raised line and the second raised line in the side wall of connection strengthening rib, make company
Reinforcement is connect in the vertical direction of stress and improves structural strength in a lateral direction.
Preferably, described column is polygon cylinder, and the cross section of the branch sleeve is polygon with the column
The polygonal ring shape bodily form corresponding to shape cylinder, fixed cover is loaded on the column to the branch sleeve of each pedal unit successively
On.
Using above-mentioned technical proposal, by the way that column is arranged into polygon cylinder to replace existing cylinder, using
When serve position-limiting action in a circumferential direction to pedal, while by by the axial length direction summation of all branch sleeves with
The axial length direction of column is corresponding, eliminates the fixed connection structure between branch sleeve and column, only need to will be even during installation
Female connector cylinder covers successively to be attached on column, and the direction of pedal is regulated to form helical structure, i.e., easy for installation.
Further, a limited impression, the inwall of described branch sleeve are respectively arranged with every one side of the column
On be along the circumferential direction evenly arranged with some spacing preiections, each spacing preiection is corresponded flush-mounted in each described spacing recessed
In groove.
It is some corresponding nested by being set respectively between branch sleeve inwall outside column using above-mentioned technical proposal
Spacing preiection and limited impression, the degree of being connected firmly between branch sleeve and column is further guaranteed.
In summary, the invention has the advantages that：By the way that pedal to be arranged to be supported by support frame, add
The overall construction intensity of pedal, the degree of firmly installing of spiral stairses is improved, improve people when using spiral stairses upstairs
Security.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the exploded perspective view of pedal unit of the present invention；
Fig. 3 is enlarged diagram at a in Fig. 2；
Fig. 4 is enlarged diagram at b in Fig. 2；
Fig. 5 is the exploded perspective view between column and branch sleeve of the present invention；
Fig. 6 is the structural representation in another direction of the present invention, the heretofore described support bracket fastened structure of main presentation
Schematic diagram；
Fig. 7 is the scheme of installation of the present invention, is mainly used in showing that the installation connection between this floor and the hole of upper floor is closed
System.
In figure：1st, column；11st, limited impression；2nd, pedal unit；21st, branch sleeve；211st, spacing preiection；22nd, support rib
Frame；221st, fixing end；222nd, projecting end；223rd, side shield；224th, supporting plate；225th, flange；226th, connection strengthening rib；2261、
First raised line；2262nd, the second raised line；2263rd, V-shaped groove；2264th, groove is reinforced；227th, damping side plate；228th, major arc plate；229th, three
Angular chimb；23rd, connecting framework；24th, pedal body；241st, platysome；2411st, straight-line groove；242nd, flange is connected；3rd, it is fixed
Mounting seat；4th, fixed support；41st, the second retainer ring；42nd, connecting rod；43rd, the first retainer ring；5th, ground；6th, upper strata flooring.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
As shown in figures 1 to 6, the ruggedized construction of a kind of municipal garden architecture interior trim stair disclosed by the invention, including
Some pedal units 2 of the column 1 and some spiral windings being fixedly installed vertically around column 1, the bottom of column 1, which is fixed, to be connected
A fixed mounting 3 is connected to, is fixedly mounted by fixed mounting 3 and ground 5, the top of column 1 is solid by a fixed support 4
Dingan County fills.
As shown in Fig. 2 each pedal unit 2 includes pedal body 24 and the support frame for supporting pedal body 24, prop up
Two support frames 22 and connecting framework 23 that support includes branch sleeve 21, laterally overhang.
As shown in figure 5, the column 1 is octagonal cylinder, the cross section of branch sleeve 21 is the octagon post with column 1
Octagon ring bodies corresponding to body, be respectively arranged with every one side of column 1 one along column 1 axially through it is T-shaped spacing
Groove 11, eight T-shaped limits corresponding with limited impression 11 are along the circumferential direction evenly arranged with the inwall of branch sleeve 21
Position projection 211, when each branch sleeve 21 is set on column 1 successively, spacing preiection 211 is corresponding to be flush-mounted in limited impression 11
It is interior, play circumferential position-limiting action.
As shown in Fig. 2 support frame 22 is steel profile, wherein one end is arranged to fixing end 221, and the other end is projecting end
222, the fixing end 221 of two support frames 22 is fixedly connected with the two sides of the outer wall of branch sleeve 21 by electric welding respectively, is connected
Another side, two support ribs are also spaced between the two sides being connected on the outer wall of sleeve 21 with the fixing end 221 of two support frames 22
Frame 22 is at an angle laterally outward to overhang, and the distance between projecting end 222 of two support frames 22 is more than two support frames 22
The distance between fixing end 221, connecting framework 23 is circular arc tabular, the both ends of connecting framework 23 respectively with two support frames 22
Projecting end 222 by electric welding be fixedly connected, make to form fan shape between two support frames 22 and connecting framework 23.
As shown in figure 3, each support frame 22 includes the side shield 223 and supporting plate 224 being connected as a single entity, supporting plate 224
Horizontally disposed, side shield 223 is obliquely installed, and the relatively low side side of side shield 223 and the side side of supporting plate 224 integrally connect
Connect, the higher side side of side shield 223 is connected with a damping side plate 227 to overhang straight down, damping side plate 227
Lower end is connected with the major arc plate 228 of an opening downwards, the bottom of major arc plate 228 is formed an arc groove, major arc plate
One arc convex is formed on 228 top, and major arc plate 228 is solid close to the welding of the outer wall of one end of branch sleeve 21 and branch sleeve 21
Fixed connection.
Side side of the supporting plate 224 away from side shield 223 is connected with the flange 225 to raise up, flange 225
The downward oppositely extending triangle chimb 229 in lower end, the bottom of supporting plate 224 is connected with connection strengthening rib straight down
226, connection strengthening rib 226 is provided with the first parallel up and down raised line 2261 and second on the one side away from damping side plate 227
Raised line 2262, the rectangular cross-section of the first raised line 2261, line reinforcement is formed between the first raised line 2261 and triangle chimb 229
Groove 2264, the reinforcing groove have the structural strength of further increase support frame 22, and the section of the second raised line 2262 is opening court
To the V-arrangement of damping side plate 227, connection strengthening rib 226 is set to form a V-shaped groove 2263, the V on the side of damping side plate 227
The notch of shape groove 2263 is in opposite direction with the notch of reinforcing groove 2264, can mutually support the power part that support frame 22 is subject to
Disappear, so as to improve the structural strength of support frame 22 and service life.
With reference to as shown in Fig. 2 when the fixing end 221 of two support frames 22 passes through electric welding with the outer wall of branch sleeve 21 respectively
When being fixedly connected, the level of two supporting plate 224 is oppositely arranged, side shield 223, supporting plate 224, the support rib of connecting framework 23 and two
An installation portion to lower recess is formed between the outer wall of branch sleeve 21 between 22 liang of fixing ends 221 of frame.
With reference to shown in Fig. 3, Fig. 4, pedal unit 2 includes wooden platysome 241 corresponding with installation portion shape, platysome
241 two bottom sides are respectively arranged with straight-line groove 2411 corresponding with the flange 225 on two support frames 22, work as platysome
241 are flush-mounted in straight-line groove 2411 and 225 corresponding inlay card of flange when on installation portion；Two sides of platysome 241 are axially set respectively
Downward connection flange 242 is equipped with, the connection flange 242 of both sides corresponds to the damping side for being posted by two support frames 22 respectively
Lateral surface, and connection flange 242 is fixedly connected with damping side by some spaced screws.
With reference to shown in Fig. 6, fixed support 4 includes the first retainer ring 43 and the second retainer ring 41 and is connected to the first fixation
Four connecting rods 42 between the retainer ring 41 of ring 43 and second, top of the fixed cover of the first retainer ring 43 loaded on column 1 simultaneously pass through
Connection is welded and fixed, the second retainer ring 41 is corresponding to be installed at the hole of upper strata flooring 6 and consolidate by equally distributed screw
Dingan County is filled, and four 42 circumferentially spaced distances of connecting rod are arranged between the first retainer ring 43 and the second retainer ring 41, even
The both ends of extension bar 42 are respectively by being welded to connect in the first retainer ring 43 and the second retainer ring 41.
As shown in fig. 7, the present invention in use, each pedal unit 2 branch sleeve 21 according to rotation 45 degree of angles successively
Be set on column 1, make each pedal unit 2 successively order correspond to column 1 on each side, make each pedal unit
2 form helical form around column 1, and the fixed mounting 3 of the bottom of column 1 is fixedly connected by multiple screws with ground 5, makes column 1
Vertical to be fixedly mounted, the top of column 1 is fixedly mounted by the hole on fixed support 4 and upper strata flooring 6, makes entirely to rotate
Stair stability is high.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
Member can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but as long as at this
All protected in the right of invention by Patent Law.
Claims (10)
1. a kind of ruggedized construction of municipal garden architecture interior trim stair, including the column (1) being fixedly installed vertically and some spiral shells
Curl up some pedal units (2) around column (1), it is characterised in that：Each described pedal unit (2) includes pedal
Body (24) and the support frame for supporting the pedal body (24), support frame include branch sleeve (21), laterally overhang
Two support frames (22) and connecting framework (23), branch sleeve (21) are set on described column (1), support frame
(22) one end is arranged to fixing end (221), and the other end is projecting end (222), and the fixing end (221) of two support frames (22) is equal
It is fixedly connected with the outer wall side of the branch sleeve (21), the projecting end (222) of two support frames (22) is spaced apart
And the both ends with the connecting framework (23) are fixedly connected respectively, the top of two support frames (22) and connecting framework (23) is formed
There is an installation portion for being used to install pedal body (24).
A kind of 2. ruggedized construction of municipal garden architecture interior trim stair according to claim 1, it is characterised in that：It is described
The distance between projecting end (222) of two support frames (22) is more than the distance between two fixing ends (221), described connection bone
Frame (23) is circular arc tabular, makes to form fan shape between two support frames (22) and connecting framework (23).
A kind of 3. ruggedized construction of municipal garden architecture interior trim stair according to claim 2, it is characterised in that：It is described
Support frame (22) be steel profile, including the side shield (223) and supporting plate (224) being connected as a single entity, two support ribs
Supporting plate (224) level of frame (22) is oppositely arranged, and described two side shields (223) are obliquely installed, and make two support frames
(22) installation portion to lower recess is formed between connecting framework (23), described pedal body (24) is corresponding to be flush-mounted in
Described installation portion.
A kind of 4. ruggedized construction of municipal garden architecture interior trim stair according to claim 3, it is characterised in that：It is described
Side shield (223) be vertically arranged with damping side plate (227), the upper end of damping side plate (227) away from the side of supporting plate (224)
Side is connected as a single entity with the side shield (223), and the lower end side of damping side plate (227) overhangs downwards, and damping side plate (227) leans on
One end end of the nearly branch sleeve (21) and the outer wall of branch sleeve (21) are welded to connect.
A kind of 5. ruggedized construction of municipal garden architecture interior trim stair according to claim 4, it is characterised in that：It is described
The lower end side of damping side plate (227) be connected with the major arc plate (228) of an opening downwards, make major arc plate (228)
One arc groove is formed on bottom, and an arc convex is formed on the top of major arc plate (228), and major arc plate (228) is close to branch sleeve
(21) one end is welded and fixed with the outer wall of branch sleeve (21) and is connected.
A kind of 6. ruggedized construction of municipal garden architecture interior trim stair according to claim 4 or 5, it is characterised in that：
Described supporting plate (224) is provided with upward flange (225), described pedal body away from the side shield (223) side
(24) bottom is provided with groove corresponding with the flange (225).
A kind of 7. ruggedized construction of municipal garden architecture interior trim stair according to claim 6, it is characterised in that：It is described
The bottom of supporting plate (224) be vertically arranged with connection strengthening rib (226) with damping side plate (227) spacing distance.
A kind of 8. ruggedized construction of municipal garden architecture interior trim stair according to claim 7, it is characterised in that：It is described
One side of the connection strengthening rib (226) away from the damping side plate (227) on be provided with parallel the first raised line up and down
And the second raised line (2262) (2261).
A kind of 9. ruggedized construction of municipal garden architecture interior trim stair according to claim 1 or 8, it is characterised in that：
Described column (1) is polygon cylinder, and the cross section of the branch sleeve (21) is the polygon cylinder with the column (1)
The corresponding polygonal ring shape bodily form, fixed cover is loaded on the column to the branch sleeve (21) of each pedal unit (2) successively
(1) on.
A kind of 10. ruggedized construction of municipal garden architecture interior trim stair according to claim 9, it is characterised in that：Institute
State and a limited impression (11) is respectively arranged with every one side of column (1), along circle on the inwall of described branch sleeve (21)
Circumferential direction is evenly arranged with some spacing preiections (211), and each spacing preiection (211) is corresponded flush-mounted in each described limit
In position groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710807889.8A CN107700768B (en) | 2017-09-08 | 2017-09-08 | Reinforced structure of interior decoration stair of municipal garden building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710807889.8A CN107700768B (en) | 2017-09-08 | 2017-09-08 | Reinforced structure of interior decoration stair of municipal garden building |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107700768A true CN107700768A (en) | 2018-02-16 |
| CN107700768B CN107700768B (en) | 2019-12-13 |
Family
ID=61172336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710807889.8A Active CN107700768B (en) | 2017-09-08 | 2017-09-08 | Reinforced structure of interior decoration stair of municipal garden building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107700768B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112663996A (en) * | 2020-12-08 | 2021-04-16 | 彭宇昂 | A safe rotary ladder for municipal works construction |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4378862A (en) * | 1980-10-21 | 1983-04-05 | Modular Industries Ltd. | Portable spiral staircase |
| WO2000001902A1 (en) * | 1998-06-30 | 2000-01-13 | Stairframe Systems Inc. | Modular stairway system, method for erecting stairway and kit therefor |
| CN2521295Y (en) * | 2001-08-10 | 2002-11-20 | 李达 | Star shape prefabricated rotary stairway |
| CN2581588Y (en) * | 2002-07-12 | 2003-10-22 | 张健 | Combined rotary stairs |
| CN2828193Y (en) * | 2005-06-14 | 2006-10-18 | 荣特尔公司 | Stairway assembly |
| CN2889622Y (en) * | 2005-12-30 | 2007-04-18 | 郑金顺 | Improved plum-shape wrench |
| CN103628639A (en) * | 2012-08-30 | 2014-03-12 | 宁波市镇海捷登应用技术研究所 | Spiral steel frame staircase and manufacturing method thereof |
| CN104499665A (en) * | 2014-12-24 | 2015-04-08 | 北京凯盛建材工程有限公司 | Through type spiral stair and arranging method thereof |
-
2017
- 2017-09-08 CN CN201710807889.8A patent/CN107700768B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4378862A (en) * | 1980-10-21 | 1983-04-05 | Modular Industries Ltd. | Portable spiral staircase |
| WO2000001902A1 (en) * | 1998-06-30 | 2000-01-13 | Stairframe Systems Inc. | Modular stairway system, method for erecting stairway and kit therefor |
| CN2521295Y (en) * | 2001-08-10 | 2002-11-20 | 李达 | Star shape prefabricated rotary stairway |
| CN2581588Y (en) * | 2002-07-12 | 2003-10-22 | 张健 | Combined rotary stairs |
| CN2828193Y (en) * | 2005-06-14 | 2006-10-18 | 荣特尔公司 | Stairway assembly |
| CN2889622Y (en) * | 2005-12-30 | 2007-04-18 | 郑金顺 | Improved plum-shape wrench |
| CN103628639A (en) * | 2012-08-30 | 2014-03-12 | 宁波市镇海捷登应用技术研究所 | Spiral steel frame staircase and manufacturing method thereof |
| CN104499665A (en) * | 2014-12-24 | 2015-04-08 | 北京凯盛建材工程有限公司 | Through type spiral stair and arranging method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112663996A (en) * | 2020-12-08 | 2021-04-16 | 彭宇昂 | A safe rotary ladder for municipal works construction |
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| Publication number | Publication date |
|---|---|
| CN107700768B (en) | 2019-12-13 |
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Address after: No. 88, Hengjie West Road, Zhuangyuan Town, Longwan District, Wenzhou City, Zhejiang Province 325011 Patentee after: Zhejiang Heyuan Construction Co.,Ltd. Address before: No. 88, Hengjie West Road, Zhuangyuan Town, Longwan District, Wenzhou City, Zhejiang Province 325011 Patentee before: WENZHOU ZHENGLONG MUNICIPAL CONSTRUCTION CO.,LTD. |