CN2188643Y - Multi-angle working folding ladder - Google Patents
Multi-angle working folding ladder Download PDFInfo
- Publication number
- CN2188643Y CN2188643Y CN 93246721 CN93246721U CN2188643Y CN 2188643 Y CN2188643 Y CN 2188643Y CN 93246721 CN93246721 CN 93246721 CN 93246721 U CN93246721 U CN 93246721U CN 2188643 Y CN2188643 Y CN 2188643Y
- Authority
- CN
- China
- Prior art keywords
- ladder
- outer sleeve
- main
- folding step
- auxilliary
- 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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- Ladders (AREA)
Abstract
The utility model relates to a multi-angle working folding ladder, which is composed of two large parts: a main ladder and an auxiliary ladder. The multi-angle working folding ladder is characterized in that a movable supporting rod composed of a supporting rod, an outer sleeve and an inner rod which can slide in the sleeve from top to bottom is respectively arranged in the triangular regions of the left and the right two sides of the main ladder and the auxiliary ladder. Using the movable supporting bar can make the folding ladder carry out transformations with different angles between 40 to 180 DEG to satisfy different work requirements and achieve the purpose of one ladder with multiple purposes.
Description
The utility model relates to maintenance tool, a kind of especially multi-angle work folding step that carries out the multiple angles conversion.
Common triangle folding step can only carry out the low apparatus of climbing as the maintenance of works personnel.Because its structure is limit, it can not satisfy the needs that the maintenance personal carries out the height operation, can only carry out work by vertical ladder.And there are many weak points equally in vertical ladder, and it does not only have triangle ladder safety at work, and it is also inconvenient to work together.Therefore above-mentioned two construction tool all is not maintenance of works personnel's optimal selection.
The purpose of this utility model is to overcome above-mentioned deficiency, and a kind of energy one terraced many usefulness are provided, and can make things convenient for the maintenance of works personnel arbitrarily to change the multi-angle work folding step of angle in different environment.
Technical solution of the present utility model is: multi-angle work folding step is connected and composed by hinges by main ladder (1) and auxilliary ladder (2).Its solution is in the trigonum of main ladder (1) and auxilliary ladder (2) left and right sides, respectively is provided with a cover movable brace rod.
Movable brace rod of the present utility model comprises pole (4) and (8), outer sleeve (7) and the interior bar (3) that can slide up and down in outer sleeve constitutes, the upper end of wherein interior bar (3) withstands on the centre of main and auxiliary terraced folding face, the lower end is arranged in the outer sleeve (7) by escapement key (6), the lower end of outer sleeve is simultaneously hinged with pole (4) and (8), and the upper end of pole (4) and (8) is hinged on the side of main ladder (1) and auxilliary ladder (2) respectively.
The utility model utilizes movable brace rod can make folding step carry out the conversion of different angles between 40 to 180 degree, thereby can satisfy different needs of work.
The pedal (9) of main ladder described in the utility model (1) and auxilliary ladder (2) is two tread types, thereby can guarantee that folding step makes into to make things convenient for step behind the vertical ladder.
The utility model is compared with existing folding step, has terraced many usefulness, and is easy to use, and can arbitrarily change the folding step angle according to different working environments and needs, folding step can be made into advantages such as using of vertical ladder simultaneously by movable brace rod.
Below in conjunction with accompanying drawing the utility model is illustrated,
Fig. 1 is a structural representation of the present utility model,
Embodiment:
As shown in Figure 1: multi-angle work folding step comprises main ladder (1) and auxilliary ladder (2), movable brace rod is formed jointly, described movable brace rod is made of pole (4) and (8), outer sleeve (7) and the interior bar (3) that can slide up and down in outer sleeve, the upper end of wherein interior bar (3) withstands on the centre of main and auxiliary terraced folding face, the lower end is arranged in the outer sleeve (7) by escapement key (6), the lower end of outer sleeve is simultaneously hinged with pole (4) and (8), and the upper end of pole (4) and (8) is hinged on the side of main ladder (1) and auxilliary ladder (2) respectively.In addition, the pedal (9) that is arranged on main ladder and the auxilliary ladder is two tread types, can make folding step into vertical ladder like this and use, and has reached the purpose that a ladder is used more.For guarantee to change after the angle stressed evenly, main ladder of the present utility model and auxilliary ladder are made wide type up and down.
Movable brace rod is separately positioned on the left and right sides of main and auxiliary ladder, utilize the strong conversion that can make movable brace rod between 40 degree are spent to 180, carry out different angles of hinge and escapement, after clicking the escapement key with hand during use, interior bar can slide up and down in sleeve, the angle of folding step is about 40 degree when escapement key (6) blocks escapement mouth (10), can be used as common folding step uses, the angle of folding step is about 110 degree when blocking escapement mouth (5) as escapement key (6), can utilize this moment support (as windowsill, wooden cabinet etc.) to form scaffold.In the time will making vertical ladder into and use, can press escapement key (6), open folding step, interior bar directly slides into the bottom, directly utilizes outer sleeve to support, thereby can safety and stability carry out work.
Claims (3)
1, a kind of multi-angle work folding step is connected and composed by hinges by main ladder (1) and auxilliary ladder (2), it is characterized in that respectively being provided with a cover movable brace rod in the trigonum of described main ladder (1) and auxilliary ladder (2) left and right sides.
2, multi-angle work folding step according to claim 1, it is characterized in that: described movable brace rod comprises pole (4) and (3), outer sleeve (7) and the interior bar (3) that can slide up and down in outer sleeve constitutes, the upper end of wherein interior bar (3) withstands on the centre of main and auxiliary terraced folding face, the lower end is arranged in the outer sleeve (7) by escapement key (6), the lower end of outer sleeve is simultaneously hinged with pole (4) and (8), and the upper end of pole (4) and (8) is hinged on the side of main ladder (1) and auxilliary ladder (2) respectively.
3, multi-angle work folding step according to claim 1 is characterized in that: the pedal (9) of described main ladder (1) and auxilliary ladder (2) is two tread types.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93246721 CN2188643Y (en) | 1993-11-30 | 1993-11-30 | Multi-angle working folding ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93246721 CN2188643Y (en) | 1993-11-30 | 1993-11-30 | Multi-angle working folding ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2188643Y true CN2188643Y (en) | 1995-02-01 |
Family
ID=33819311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93246721 Expired - Fee Related CN2188643Y (en) | 1993-11-30 | 1993-11-30 | Multi-angle working folding ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2188643Y (en) |
-
1993
- 1993-11-30 CN CN 93246721 patent/CN2188643Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |