CN203145816U - Foldable ladder - Google Patents
Foldable ladder Download PDFInfo
- Publication number
- CN203145816U CN203145816U CN 201320099625 CN201320099625U CN203145816U CN 203145816 U CN203145816 U CN 203145816U CN 201320099625 CN201320099625 CN 201320099625 CN 201320099625 U CN201320099625 U CN 201320099625U CN 203145816 U CN203145816 U CN 203145816U
- Authority
- CN
- China
- Prior art keywords
- ladder
- side column
- segments
- movable chuck
- section
- 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 discloses a foldable ladder, and belongs to the technical field of deformable ladders with hard frames. The foldable ladder comprises a ladder rack formed by hinging more than two ladder segments, wherein the ladder rack can be folded and deformed along the ladder segments; each ladder segment comprises a side column and a girder which are connected together; the end heads of the side columns of the adjacent ladder segments are connected by using a hinging component; and a lapping device used for fixing an angle of the ladder segments is arranged between the adjacent hinged ladder segments. The lapping device comprises a movable clamping head and a convex tooth which are respectively arranged at the side columns of the adjacent ladder segments, wherein a tooth hook matched with the convex tooth is arranged on the movable clamping head. After the ladder rack is opened and stretched, the convex tooth is automatically hooked by the tooth hook on the lapping device, so that the ladder segment cannot be bent; and therefore the whole ladder rack is stable and reliable. After the ladder rack is used, the lapping device is opened by pressing the movable clamping head, so that the foldable ladder is convenient to use. The foldable ladder is mainly used for building construction and electrical installation. The foldable ladder has the characteristics of being convenient to carry, assemble and use as well as strong in stability.
Description
Technical field
The utility model belongs to hard frame and is out of shape terraced technical field, especially relates to a kind of ladder that can fold.
Background technology
The folding ladder volume after folding is little, is easy to carry and installs and uses, and is widely used in fields such as building operations and electric installation.The existing folding ladder that uses, ubiquity the shortcoming of opening back ladder shakiness and folding and unfolding underaction.
Summary of the invention
It is flexible that the technical problems to be solved in the utility model provides a kind of ladder folding and unfolding, and ladder is opened the good folding ladder of rear stability.
For solving the problems of the technologies described above, the utility model comprises by the hinged ladder that forms of section of ladder more than 2 sections, described ladder can be along the internode folded deformation, described each section of ladder includes side column and the truss that is connected, the side column termination of adjacent section of ladder connects by articulated elements, its design feature is to be provided with between described hinged adjacent section of ladder for the fixing lap device of section of ladder angle, described lap device comprises that branch is located at movable chuck and the double wedge on the adjacent section of ladder side column, and movable chuck is provided with the hook that matches with double wedge.
Preferably the side column termination of described hinged adjacent section of ladder is respectively equipped with corresponding socket and spigot, and after ladder was opened and stretched, spigot was plugged in the socket.
Another preferably described movable chuck be connected by bearing pin with side column, bearing pin is provided with support spring, this support spring and movable chuck join, and make the hook end of movable chuck and side column keep certain chucking power.
After adopting said structure, owing to be provided with lap device between section of ladder, the movable chuck of lap device and double wedge branch are located on the side column of adjacent section of ladder.After ladder was opened and stretched, the hook on the movable chuck can hook double wedge automatically, made section of ladder no longer crooked, and ladder is straight and upright, and monolithic stability is reliable.After finishing using, press down movable chuck, the hook of movable chuck separates with double wedge, ladder section easily, and pack up ladder, folding and unfolding is flexible, and is easy to use.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is schematic diagram behind the folded deformation of the present utility model.
The specific embodiment
With reference to accompanying drawing, the utility model comprises by 4 sections hinged ladders that form 1 of section of ladder, this ladder 1 can be along the internode folded deformation, each section of ladder includes side column 11 and the truss 12 by the metal material making that is connected, the side column termination of adjacent section of ladder connects by articulated elements 2, and this articulated elements 2 is for being located at the hinge bodies of side column 11 1 sides.The side column termination of hinged adjacent section of ladder is respectively equipped with socket 5 and the spigot 4 of corresponding matching, when ladder 1 open stretch after, spigot 4 is plugged in the socket 5, can strengthen the reliability of ladder.Be provided with between two hinged section of ladders for the fixing lap device 3 of section of ladder angle, this lap device 3 comprises that branch is located at movable chuck 31 and the double wedge 32 on the adjacent section of ladder side column 11, and movable chuck 31 is provided with the hook that matches with double wedge 32.Movable chuck 31 and side column 11 are connected by bearing pin in the present embodiment, and bearing pin is provided with support spring 33, and this support spring 33 joins with movable chuck 31, makes the hook end chucking power certain with side column 11 maintenances of movable chuck 31.When ladder 1 open stretch after, the hook of movable chuck 31 can hook double wedge 32 automatically, makes ladder 1 keep straight and upright and no longer crooked.Press the rear end of movable chuck 31, simultaneously crooked ladder 1, i.e. folding ladder frame.
Claims (3)
1. folding ladder, comprise by the hinged ladder that forms of section of ladder more than 2 sections (1), described ladder (1) can be along the internode folded deformation, described each section of ladder includes side column (11) and the truss (12) that is connected, the side column termination of adjacent section of ladder connects by articulated elements (2), it is characterized in that being provided with between described hinged adjacent section of ladder for the fixing lap device of section of ladder angle (3), described lap device (3) comprises that branch is located at movable chuck (31) and the double wedge (32) on the adjacent section of ladder side column (11), and movable chuck (31) is provided with the hook that matches with double wedge (32).
2. according to the described folding ladder of claim 1, it is characterized in that the side column termination of described hinged adjacent section of ladder is respectively equipped with corresponding socket (5) and spigot (4), after ladder (1) was opened and stretched, spigot (4) was plugged in the socket (5).
3. according to the described folding ladder of claim 1, it is characterized in that described movable chuck (31) is connected by bearing pin with side column (11), bearing pin is provided with support spring (33), this support spring (33) and movable chuck (31) join, and make the hook end chucking power certain with side column (11) maintenance of movable chuck (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320099625 CN203145816U (en) | 2013-03-06 | 2013-03-06 | Foldable ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320099625 CN203145816U (en) | 2013-03-06 | 2013-03-06 | Foldable ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203145816U true CN203145816U (en) | 2013-08-21 |
Family
ID=48973352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320099625 Expired - Fee Related CN203145816U (en) | 2013-03-06 | 2013-03-06 | Foldable ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203145816U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441334A (en) * | 2018-10-31 | 2019-03-08 | 李志航 | A kind of gardens pruning ladder |
| CN109488199A (en) * | 2018-10-31 | 2019-03-19 | 李志航 | A kind of reliable gardens pruning ladder |
| CN112572498A (en) * | 2019-09-29 | 2021-03-30 | 比亚迪股份有限公司 | Escape ladder, rail vehicle and rail transit system |
-
2013
- 2013-03-06 CN CN 201320099625 patent/CN203145816U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441334A (en) * | 2018-10-31 | 2019-03-08 | 李志航 | A kind of gardens pruning ladder |
| CN109488199A (en) * | 2018-10-31 | 2019-03-19 | 李志航 | A kind of reliable gardens pruning ladder |
| CN109488199B (en) * | 2018-10-31 | 2020-06-23 | 黄巧珍 | Reliable ladder is pruned in gardens |
| CN112572498A (en) * | 2019-09-29 | 2021-03-30 | 比亚迪股份有限公司 | Escape ladder, rail vehicle and rail transit system |
| CN112572498B (en) * | 2019-09-29 | 2022-12-09 | 比亚迪股份有限公司 | Escape ladder, rail vehicle and rail transit system |
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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: 20130821 Termination date: 20170306 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |