CN203742424U - Angle-adjustable movable ladder - Google Patents
Angle-adjustable movable ladder Download PDFInfo
- Publication number
- CN203742424U CN203742424U CN201420149237.1U CN201420149237U CN203742424U CN 203742424 U CN203742424 U CN 203742424U CN 201420149237 U CN201420149237 U CN 201420149237U CN 203742424 U CN203742424 U CN 203742424U
- Authority
- CN
- China
- Prior art keywords
- running
- pivot pin
- double
- board bracket
- mobile jib
- 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
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Abstract
The utility model relates to the technical field of articles for daily use, and discloses an angle-adjustable movable ladder. The angle-adjustable movable ladder is improved in a way that a top pedal is fixedly placed on a first pedal frame, wherein the first pedal frame is hinged and fixed to a double-legged main rod through the two ends of a first shaft pin; a double-legged auxiliary rod is hinged and fixed to the double-legged main rod through the two ends of a third shaft pin; first regulation teeth are arranged on first elongated slots in the first pedal frame; the two ends of a U-shaped support rod are hinged and fixed to the double-legged main rod through second dowels which are positioned between the first and third shaft pins; the middle cross rod part of the U-shaped support rod and the first regulation teeth are selectively supported; second regulation teeth are arranged on second elongated slots in a secondary pedal frame; one end of the secondary pedal frame is hinged and fixed to the double-legged main rod through the two ends of a fourth shaft pin, and the other end of the secondary pedal frame is hinged and fixed to the double-legged auxiliary rod through the two ends of a sixth shaft pin; fifth dowels are arranged on the double-legged auxiliary rod, and the fifth dowels and the second regulation teeth are selectively supported.
Description
Technical field
The utility model relates to people's daily class technical field, relates in particular to a kind of adjustable angle movable ladder.
Background technology
Along with the development of building trade, in building, loft is more and more common, conventionally in the space of loft, needs to build stair, but existing stair are all need to be fixed on floor, can take so a large amount of spaces, makes the result of use in space be difficult to reach perfect.Metal ladder is easier to be accepted because of its maneuverability advantage ratio such as collapsible, light and handy, but in the time using various ladder, running into ground is the situations such as slope, can not easily stably place ladder, and easily topple, known folding stair uses not ideal.
Summary of the invention
In order to overcome above-mentioned deficiency, the utility model provides a kind of structural strength high, and the ladder of safe and reliable adjustable support foot bottom angle, reaches the object that still can steadily use in the out-of-flatness ground environments such as slope.
The utility model is by the following technical solutions:
A kind of adjustable angle movable ladder, comprise the first running-board bracket being symmetrical set, the secondary running-board bracket being symmetrical set, the secondary bar of both feet being symmetrical set, the parallel rod being symmetrical set, the many running-board brackets that are symmetrical set and the double-legged mobile jib being symmetrical set, as improvement: on top, foot rest fixed placement is on the first running-board bracket, hinged fixing by the first pivot pin two ends between the first running-board bracket and described double-legged mobile jib; Hinged fixing by the 3rd pivot pin two ends between described both feet pair bar and described double-legged mobile jib; On the first elongated slot on the first described running-board bracket, there is the first regulating tooth, between described U font strut two ends and described double-legged mobile jib, there is the second pin hinged fixing and between the first described pivot pin and described the 3rd pivot pin, between U font strut middle transverse rod position and described the first regulating tooth, can select support; On the second elongated slot on described secondary running-board bracket, there is the second regulating tooth, hinged fixing by the 4th pivot pin two ends between described secondary running-board bracket one end and described double-legged mobile jib, hinged fixing by the 6th pivot pin two ends between the secondary bar of the described secondary running-board bracket other end and described both feet; On the secondary bar of described both feet, have between the 5th pin and described the second regulating tooth and can select support; Between described parallel rod and described double-legged mobile jib, also has running-board bracket more than 6 to 8 pairs, hinged fixing by the 8th pivot pin between every one-to-many running-board bracket and described double-legged mobile jib, between every one-to-many running-board bracket and described parallel rod, fix by the 9th pivot pin is hinged; The described secondary bar of both feet and described double-legged mobile jib lower end all have bulb to take over, bulb is taken over lower end has angle bulb to be placed on the hemisphere bottom surface on runners chassis, the hemisphere capping of chassis cover plate covers described angle bulb the first half, and 2 to 4 bolts of lower base are fixed on described chassis cover plate on described runners chassis.
As further improvement: the 3rd pivot pin is positioned at 26 to 28 centimetres of the first described pivot pin belows.
As further improvement: the distance between many running-board brackets at different levels equals the distance between the 3rd pivot pin and the first pivot pin 11.
The beneficial effects of the utility model are:
Running into ground has time straggly, because all having bulb, the secondary bar of both feet and described double-legged mobile jib lower end take over, bulb is taken over lower end has angle bulb to be placed on the hemisphere bottom surface on runners chassis, the hemisphere capping of chassis cover plate covers described angle bulb the first half, 2 to 4 bolts of lower base are fixed on described chassis cover plate on described runners chassis, and said structure has been realized automatically uneven ground is carried out to tilt adjustments.
On the second elongated slot on secondary running-board bracket, there is the second regulating tooth, hinged fixing by the 4th pivot pin two ends between described secondary running-board bracket one end and described double-legged mobile jib, fix by the 6th pivot pin two ends are hinged in conjunction with between the described secondary running-board bracket other end and the described secondary bar of both feet; Between having between the 5th pin and described the second regulating tooth on the secondary bar of described both feet, can select support; Make maintenance level between many running-board brackets at different levels, the angle between double-legged mobile jib and double-legged secondary bar can conveniently be adjusted.
On top, foot rest fixed placement is on the first running-board bracket, on the first elongated slot on the first running-board bracket, there is the first regulating tooth, hinged fixing by the first pivot pin two ends between the first running-board bracket and described double-legged mobile jib, in conjunction with there being the second pin hinged fixing and between the first described pivot pin and described the 3rd pivot pin between U font strut two ends and described double-legged mobile jib, between U font strut middle transverse rod position and described the first regulating tooth, can select to support, make foot rest on one-level top can also be set above the 3rd pivot pin more.
Brief description of the drawings
Fig. 1 is the utility model entirety side view, and the angle between double-legged secondary bar 30 and double-legged mobile jib 60 is in low-angle.
Fig. 2 is that angle between the secondary bar 30 of both feet in Fig. 1 and double-legged mobile jib 60 is in wide-angle.
Fig. 3 is the enlarged drawing at foot rest 71 and crus secunda pedal 72 positions of living on the top of Fig. 1.
Fig. 4 is the enlarged drawing at angle bulb 50 positions of living in of Fig. 1.
Fig. 5 is the A-A sectional drawing of Fig. 1.
Fig. 6 is the B-B sectional drawing of Fig. 1.
Fig. 7 is the C-C sectional drawing of Fig. 1.
detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail:
In conjunction with Fig. 1, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, a kind of adjustable angle movable ladder, comprise the first running-board bracket 10 being symmetrical set, the secondary running-board bracket 20 being symmetrical set, the secondary bar 30 of both feet being symmetrical set, the parallel rod 40 being symmetrical set, the many running-board brackets 42 that are symmetrical set and the double-legged mobile jib 60 being symmetrical set, as improvement: on top, foot rest 71 fixed placement are on the first running-board bracket 10, hinged fixing by the first pivot pin 11 two ends between the first running-board bracket 10 and described double-legged mobile jib 60; Hinged fixing by the 3rd pivot pin 33 two ends between described both feet pair bar 30 and described double-legged mobile jib 60; On the first elongated slot 18 on the first described running-board bracket 10, there is the first regulating tooth 19, between described U font strut 12 two ends and described double-legged mobile jib 60, there is the second pin 22 hinged fixing and between the first described pivot pin 11 and described the 3rd pivot pin 33, between U font strut 12 middle transverse rod positions and described the first regulating tooth 19, can select support; On the second elongated slot 28 on described secondary running-board bracket 20, there is the second regulating tooth 29, hinged fixing by the 4th pivot pin 44 two ends between described secondary running-board bracket 20 one end and described double-legged mobile jib 60, hinged fixing by the 6th pivot pin 66 two ends between the secondary bar 30 of described secondary running-board bracket 20 other ends and described both feet; On the secondary bar 30 of described both feet, have between the 5th pin 55 and described the second regulating tooth 29 and can select support; Between described parallel rod 40 and described double-legged mobile jib 60, also has running-board bracket 42 more than 6 to 8 pairs, hinged fixing by the 8th pivot pin 88 between every one-to-many running-board bracket 42 and described double-legged mobile jib 60, between every one-to-many running-board bracket 42 and described parallel rod 40, fix by the 9th pivot pin 99 is hinged; The described secondary bar 30 of both feet and described double-legged mobile jib 60 lower ends all have bulb to take over 25, bulb is taken over 25 lower ends has angle bulb 50 to be placed on the hemisphere bottom surface 59 on runners chassis 51, the hemisphere capping 58 of chassis cover plate 52 covers described angle bulb 50 the first half, and 2 to 4 bolts of lower base 53 are fixed on described chassis cover plate 52 on described runners chassis 51.
As further improvement: the 3rd pivot pin 33 is positioned at 26 to 28 centimetres of the first described pivot pin 11 belows.
As further improvement: the distance between many running-board brackets 42 at different levels equals the distance between the 3rd pivot pin 33 and the first pivot pin 11.
In embodiment:
Between parallel rod 40 and double-legged mobile jib 60, also have 42, the three pivot pins 33 of running-board bracket more than 7 pairs to be positioned at 27 centimetres of the first pivot pin 11 belows, 3 bolts of lower base 53 are fixed on chassis cover plate 52 on runners chassis 51, and anti-skid rubber cushion 57 is arranged at 51 bottoms, runners chassis.
Assembling process:
Three pipe spreaders 73 on the 3rd pivot pin 33 cylindricals, the 3rd pivot pin 33 two ends are passed through respectively the secondary bar upper end hole 39 of the secondary bar 30 of symmetrically arranged both feet and spacer ring 63 and mobile jib the 3rd rear riveted joint in hole 69 and are fixed, and spacer ring 63 is installed thickness and with secondary running-board bracket 20, thickness is installed and equated.
The 4th pivot pin 44 cylindricals have main sleeve pipe 54, the six pivot pin 66 cylindricals of two plates to have two plate secondary case pipes 56, on crus secunda pedal 72, have the secondary hole 76 of two pedal main apertures 74 and two pedals respectively with the main sleeve pipe 54 of two plates and two plate secondary case pipe 56 matched in clearance; The 4th pivot pin 44 two ends are passed through respectively mobile jib the 4th rear riveted joint in hole 64 of symmetrically arranged secondary running-board bracket 20 1 stomidiums and double-legged mobile jib 60 and are fixed; After symmetrically arranged secondary running-board bracket 20 another stomidiums and parallel rod 40 holes, extreme higher position are passed through respectively in the 6th pivot pin 66 two ends, riveted joint is fixing.
The 8th pivot pin 88 cylindricals have main sleeve pipe 48, the nine pivot pin 99 cylindricals of many plates to have many plates secondary case pipe 49, on multistage foot rest 75, have the secondary hole 79 of many pedals main aperture 78 and many pedals respectively with the main sleeve pipe 48 of many plates and many plates secondary case pipe 49 matched in clearance; After the corresponding aperture on symmetrically arranged many running-board brackets 42 1 stomidiums and double-legged mobile jib 60 is passed through respectively at each the 8th pivot pin 88 two ends, riveted joint is fixing; After the corresponding aperture on symmetrically arranged many running-board brackets 42 another stomidiums and parallel rod 40 is passed through respectively at each the 9th pivot pin 99 two ends, riveted joint is fixing.
Use makes adjustments process:
In conjunction with Fig. 1, Fig. 2 and Fig. 3, while changing the angle between double-legged secondary bar 30 and double-legged mobile jib 60, only the 6th pivot pin 66 ends of secondary running-board bracket 20 need be mentioned, the second regulating tooth 29 and the 5th pin 55 are departed from, again the angle between secondary both feet bar 30 and double-legged mobile jib 60 is controlled to desired angle, again a hithermost teeth groove and the 5th pin 55 in the second regulating tooth 29 are fastened, tentatively adjust complete.
In addition, because the angle between the second regulating tooth 29 and the 5th pin 55 changes, the level angle of the upper foot rest 71 in top will be had influence on, be necessary the outer end of the first running-board bracket 10 to be mentioned simultaneously, the first regulating tooth 19 and U font strut 12 middle transverse rod positions are departed from, again the first running-board bracket 10 is controlled to level angle, again U font strut 12 middle transverse rod positions and 19 li of hithermost teeth groove of the first regulating tooth is fastened, adjust complete.
Parallel rod 40 and double-legged mobile jib are a kind of parallelogram relations between running-board bracket 42 more than 60 and 7 pairs, and in the time that secondary running-board bracket 20 is horizontal, more than 7 pairs, running-board bracket 42 is also all horizontal.
Running into ground has time straggly, because all having bulb, the secondary bar 30 of both feet and double-legged mobile jib 60 lower ends take over 25, bulb is taken over 25 lower ends has angle bulb 50 to be placed on the hemisphere bottom surface 59 on runners chassis 51, the hemisphere capping 58 of chassis cover plate 52 covers angle bulb 50 the first half, 2 to 4 bolts of lower base 53 are fixed on chassis cover plate 52 on runners chassis 51, and said structure has been realized automatically uneven ground is carried out to tilt adjustments.
Claims (3)
1. an adjustable angle movable ladder, comprise the first running-board bracket (10) being symmetrical set, the secondary running-board bracket (20) being symmetrical set, the secondary bars of both feet (30) that are symmetrical set, the parallel rod (40) being symmetrical set, the many running-board brackets (42) that are symmetrical set and the double-legged mobile jib (60) being symmetrical set, it is characterized in that: foot rest on top (71) fixed placement is on the first running-board bracket (10), hinged fixing by the first pivot pin (11) two ends between the first running-board bracket (10) and described double-legged mobile jib (60), hinged fixing by the 3rd pivot pin (33) two ends between the described secondary bars of both feet (30) and described double-legged mobile jib (60), on the first elongated slot (18) on described the first running-board bracket (10), there is the first regulating tooth (19), between described U font strut (12) two ends and described double-legged mobile jib (60), there is the second pin (22) hinged fixing and be positioned between described the first pivot pin (11) and described the 3rd pivot pin (33), between U font strut (12) middle transverse rod position and described the first regulating tooth (19), can select support, on the second elongated slot (28) on described secondary running-board bracket (20), there is the second regulating tooth (29), hinged fixing by the 4th pivot pin (44) two ends between described secondary running-board bracket (20) one end and described double-legged mobile jib (60), hinged fixing by the 6th pivot pin (66) two ends between the secondary bars of described secondary running-board bracket (20) other end and described both feet (30), on the secondary bars of described both feet (30), have between the 5th pin (55) and described the second regulating tooth (29) and can select support, between described parallel rod (40) and described double-legged mobile jib (60), also has running-board bracket (42) more than 6 to 8 pairs, hinged fixing by the 8th pivot pin (88) between every one-to-many running-board bracket (42) and described double-legged mobile jib (60), between every one-to-many running-board bracket (42) and described parallel rod (40), fix by the 9th pivot pin (99) is hinged, the described secondary bars of both feet (30) and described double-legged mobile jib (60) lower end all have bulb to take over (25), bulb is taken over (25) lower end has angle bulb (50) to be placed on the hemisphere bottom surface (59) on runners chassis (51), the hemisphere capping (58) of chassis cover plate (52) covers described angle bulb (50) the first half, and 2 to 4 bolts of lower base (53) are fixed on described chassis cover plate (52) on described runners chassis (51).
2. a kind of adjustable angle movable ladder according to claim 1, is characterized in that: the 3rd pivot pin (33) is positioned at 26 to 28 centimetres of described the first pivot pin (11) belows.
3. a kind of adjustable angle movable ladder according to claim 1, is characterized in that: the distance between many running-board brackets at different levels (42) equals the distance between the 3rd pivot pin (33) and the first pivot pin (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420149237.1U CN203742424U (en) | 2014-03-22 | 2014-03-22 | Angle-adjustable movable ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420149237.1U CN203742424U (en) | 2014-03-22 | 2014-03-22 | Angle-adjustable movable ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203742424U true CN203742424U (en) | 2014-07-30 |
Family
ID=51342241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420149237.1U Expired - Fee Related CN203742424U (en) | 2014-03-22 | 2014-03-22 | Angle-adjustable movable ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203742424U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104925259A (en) * | 2015-06-19 | 2015-09-23 | 中国航空工业集团公司西安飞机设计研究所 | Angle-self-adaptive ladder |
| CN106014173A (en) * | 2016-07-14 | 2016-10-12 | 国网河南省电力公司濮阳供电公司 | Composite insulated ladder |
| CN107697241A (en) * | 2017-11-03 | 2018-02-16 | 中船黄埔文冲船舶有限公司 | A kind of body section scaffold and its building method |
-
2014
- 2014-03-22 CN CN201420149237.1U patent/CN203742424U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104925259A (en) * | 2015-06-19 | 2015-09-23 | 中国航空工业集团公司西安飞机设计研究所 | Angle-self-adaptive ladder |
| CN106014173A (en) * | 2016-07-14 | 2016-10-12 | 国网河南省电力公司濮阳供电公司 | Composite insulated ladder |
| CN107697241A (en) * | 2017-11-03 | 2018-02-16 | 中船黄埔文冲船舶有限公司 | A kind of body section scaffold and its building method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20150322 |
|
| EXPY | Termination of patent right or utility model |