CN216950204U - High-stability extension ladder - Google Patents
High-stability extension ladder Download PDFInfo
- Publication number
- CN216950204U CN216950204U CN202121454265.0U CN202121454265U CN216950204U CN 216950204 U CN216950204 U CN 216950204U CN 202121454265 U CN202121454265 U CN 202121454265U CN 216950204 U CN216950204 U CN 216950204U
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- telescopic
- ladder frame
- ladder
- bottom sleeve
- ejector rod
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Abstract
The utility model discloses a telescopic ladder with strong stability, which comprises a first telescopic ladder frame and a second telescopic ladder frame, wherein the tops of the first telescopic ladder frame and the second telescopic ladder frame are fixedly connected through a top plate, a plurality of cross beams arranged in parallel are detachably arranged between the first telescopic ladder frame and the second telescopic ladder frame, the cross beams are detachably arranged between the first telescopic ladder frame and the second telescopic ladder frame through mounting sleeves and mounting bolts at two ends, and a first telescopic supporting rod and a second telescopic supporting rod which can freely rotate for 360 degrees are respectively arranged at the left side and the right side of the top plate. The utility model has the following advantages: structural design is reasonable, and the convenience is directed at the adjustment length that stretches out and draws back in the ladder to adapt to different use scenes and requirements, and have two can 360 free rotation telescopic bracing pieces, become the triangular cone shape with flexible trapezoidal, stability has the guarantee, and the slipmat can further improve stability and security, has fine popularization prospect and commercial value.
Description
Technical Field
The utility model relates to the technical field of ladders, in particular to a telescopic ladder with strong stability.
Background
At present, the ladder often needs to climb when the construction or line maintenance is carried out in the power industry, and is inconvenient to carry particularly in field operation. The general folding ladder is convenient to carry, but the height is not high enough after the ladder is unfolded, and a worker can not reach an operation surface by using the ladder in many times, so that a method of raising the ladder is needed, and the working efficiency is seriously influenced; when electrician climbed the ladder, because will work on the ladder, current ladder majority is single face structure, and is a simple ladder frame, and stability is relatively poor, and can not stretch out and draw back, unsatisfied multiple use scene, how to provide a strong extension ladder of stability and become the research direction.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the background technology and provide an extension ladder with strong stability.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides a high-stability extension ladder, includes first extension ladder frame and the flexible ladder frame of second, roof fixed connection is passed through at the top of first extension ladder frame and the flexible ladder frame of second, can dismantle the crossbeam that is provided with a plurality of parallel arrangement between first extension ladder frame and the flexible ladder frame of second, the crossbeam all through the installation cover at both ends and construction bolt can dismantle set up in first extension ladder frame and the flexible ladder frame of second between, the left and right sides of roof is provided with 360 free rotation's first flexible bracing pieces and the flexible bracing pieces of second respectively.
As a preferred scheme, the bottoms of the first telescopic ladder frame, the second telescopic ladder frame, the first telescopic supporting rod and the second telescopic supporting rod are all fixedly provided with anti-slip pads.
As a preferred scheme, the first telescopic supporting rod comprises a first telescopic bottom sleeve and a first telescopic ejector rod, the first telescopic ejector rod is sleeved in the first telescopic bottom sleeve, and a first length knob for controlling the length of the first telescopic ejector rod is arranged on the first telescopic bottom sleeve.
As a preferred scheme, the second telescopic supporting rod comprises a second telescopic bottom sleeve and a second telescopic ejector rod, the second telescopic ejector rod is sleeved in the second telescopic bottom sleeve, and a second length knob for controlling the length of the second telescopic ejector rod is arranged on the second telescopic bottom sleeve.
As a preferable scheme, the first telescopic ladder frame comprises a third telescopic bottom sleeve and a third telescopic top rod, the third telescopic top rod is sleeved in the third telescopic bottom sleeve, and a third length knob for controlling the third telescopic top rod is arranged on the third telescopic bottom sleeve.
As a preferable scheme, the second telescopic ladder frame comprises a fourth telescopic bottom sleeve and a fourth telescopic top rod, the fourth telescopic top rod is sleeved in the fourth telescopic bottom sleeve, and a fourth length knob for controlling the fourth telescopic top rod is arranged on the fourth telescopic bottom sleeve.
The utility model has the following advantages: structural design is reasonable, and the convenience is directed at the adjustment length that stretches out and draws back in the ladder to adapt to different use scenes and requirements, and have two can 360 free rotation telescopic bracing pieces, become the triangular cone shape with flexible trapezoidal, stability has the guarantee, and the slipmat can further improve stability and security, has fine popularization prospect and commercial value.
Drawings
Fig. 1 is a schematic structural view of a telescopic ladder with strong stability of the utility model.
As shown in the figure: 1. first flexible ladder frame, 2, the flexible ladder frame of second, 3, the roof, 4, the crossbeam, 5, the installation cover, 6, the construction bolt, 7, first flexible bracing piece, 8, the flexible bracing piece of second, 9, the slipmat, 10, the flexible base cover of first, 11, first flexible ejector pin, 12, first length knob, 13, the flexible base cover of second, 14, the flexible ejector pin of second, 15, the length knob of second, 16, the flexible base cover of third, 17, the flexible ejector pin of third, 18, the length knob of third, 19, the flexible base cover of fourth, 20, the flexible ejector pin of fourth, 21, the length knob of fourth.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings.
Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Combine the figure, a telescopic ladder that stability is strong, including first telescopic ladder frame 1 and second telescopic ladder frame 2, roof 3 fixed connection is passed through at the top of first telescopic ladder frame 1 and second telescopic ladder frame 2, can dismantle between first telescopic ladder frame 1 and the second telescopic ladder frame 2 and be provided with a plurality of parallel arrangement's crossbeam 4, crossbeam 4 all through the installation cover 5 at both ends and mounting bolt 6 can dismantle set up in first telescopic ladder frame 1 and second telescopic ladder frame 2 between, the left and right sides of roof 3 is provided with respectively can 360 free rotation's first flexible bracing piece 7 and the flexible bracing piece 8 of second.
As a preferred embodiment of this embodiment, the bottoms of the first telescopic ladder frame 1, the second telescopic ladder frame 2, the first telescopic support rod 7 and the second telescopic support rod 8 are all fixedly provided with a non-slip mat 9.
As a preferred embodiment of this embodiment, the first telescopic supporting rod 7 includes a first telescopic bottom cover 10 and a first telescopic supporting rod 11, the first telescopic supporting rod 11 is sleeved in the first telescopic bottom cover 10, and a first length knob 12 for controlling the length of the first telescopic supporting rod 11 is disposed on the first telescopic bottom cover 10.
As a preferred embodiment of this embodiment, the second telescopic supporting rod 8 includes a second telescopic bottom cover 13 and a second telescopic top rod 14, the second telescopic top rod 14 is sleeved in the second telescopic bottom cover 13, and a second length knob 15 for controlling the length of the second telescopic top rod 14 is disposed on the second telescopic bottom cover 13.
As a preferred embodiment of this embodiment, the first telescopic ladder frame 1 includes a third telescopic bottom cover 16 and a third telescopic top rod 17, the third telescopic top rod 17 is sleeved in the third telescopic bottom cover 16, and a third length knob 18 for controlling the third telescopic top rod 17 is disposed on the third telescopic bottom cover 16.
As a preferred embodiment of this embodiment, the second telescopic ladder frame 2 includes a fourth telescopic bottom cover 19 and a fourth telescopic top bar 20, the fourth telescopic top bar 20 is sleeved in the fourth telescopic bottom cover 19, and a fourth length knob 21 for controlling the fourth telescopic top bar 20 is disposed on the fourth telescopic bottom cover 19.
When the length adjusting device is specifically implemented, the lengths of the first telescopic ladder frame and the second telescopic ladder frame can be adjusted through the third length knob and the fourth length knob according to use requirements, so that the height of the ladder body is adjusted, the lengths of the first telescopic supporting rod and the second telescopic supporting rod are adjusted through the first length knob and the second length knob, the length is freely adjusted in an uneven place, and the ladder is stably used.
All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features. The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (6)
1. The utility model provides a high stability's extension ladder which characterized in that: including first telescopic ladder frame and the flexible ladder frame of second, roof fixed connection is passed through at the top of first telescopic ladder frame and the flexible ladder frame of second, can dismantle the crossbeam that is provided with a plurality of parallel arrangement between first telescopic ladder frame and the flexible ladder frame of second, the crossbeam all can dismantle through the installation cover at both ends and construction bolt set up in first telescopic ladder frame and the flexible ladder frame of second between, the left and right sides of roof is provided with the flexible bracing piece of first flexible bracing piece and the flexible bracing piece of second that can 360 free rotations respectively.
2. A high stability extension ladder as claimed in claim 1, wherein: the bottoms of the first telescopic ladder frame, the second telescopic ladder frame, the first telescopic supporting rod and the second telescopic supporting rod are all fixedly provided with anti-slip pads.
3. A high stability extension ladder as claimed in claim 1, wherein: the first telescopic supporting rod comprises a first telescopic bottom sleeve and a first telescopic ejector rod, the first telescopic ejector rod is sleeved in the first telescopic bottom sleeve, and a first length knob for controlling the length of the first telescopic ejector rod is arranged on the first telescopic bottom sleeve.
4. A high stability extension ladder as claimed in claim 1, wherein: the second telescopic supporting rod comprises a second telescopic bottom sleeve and a second telescopic ejector rod, the second telescopic ejector rod is sleeved in the second telescopic bottom sleeve, and a second length knob for controlling the length of the second telescopic ejector rod is arranged on the second telescopic bottom sleeve.
5. A high stability extension ladder as claimed in claim 1, wherein: the first telescopic ladder frame comprises a third telescopic bottom sleeve and a third telescopic ejector rod, the third telescopic ejector rod is sleeved in the third telescopic bottom sleeve, and a third length knob for controlling the third telescopic ejector rod is arranged on the third telescopic bottom sleeve.
6. A high stability extension ladder as claimed in claim 1, wherein: the second telescopic ladder frame comprises a fourth telescopic bottom sleeve and a fourth telescopic ejector rod, the fourth telescopic ejector rod is sleeved in the fourth telescopic bottom sleeve, and a fourth length knob for controlling the fourth telescopic ejector rod is arranged on the fourth telescopic bottom sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121454265.0U CN216950204U (en) | 2021-06-29 | 2021-06-29 | High-stability extension ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121454265.0U CN216950204U (en) | 2021-06-29 | 2021-06-29 | High-stability extension ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216950204U true CN216950204U (en) | 2022-07-12 |
Family
ID=82289834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121454265.0U Active CN216950204U (en) | 2021-06-29 | 2021-06-29 | High-stability extension ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216950204U (en) |
-
2021
- 2021-06-29 CN CN202121454265.0U patent/CN216950204U/en active Active
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