CN210062841U - Novel vertical movable step ladder - Google Patents
Novel vertical movable step ladder Download PDFInfo
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- CN210062841U CN210062841U CN201920754416.0U CN201920754416U CN210062841U CN 210062841 U CN210062841 U CN 210062841U CN 201920754416 U CN201920754416 U CN 201920754416U CN 210062841 U CN210062841 U CN 210062841U
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- ladder
- step ladder
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- bolt
- connecting plate
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Abstract
The utility model discloses a novel perpendicular movable step ladder, including stepping on terraced frame, step ladder, bolt and connecting plate, step on terraced frame by last to lower swivelling joint have a plurality of step ladders, and the step ladder increases by last length under to in proper order, lower step ladder bottom surface edge is equipped with the bolt, connect through the connecting plate between every two adjacent step ladders, the utility model provides a current activity step ladder structure is complicated, difficult maintenance, and the whole shrink range of step ladder is big, and occupation space is big, operates inconveniently, is unfavorable for the problem of overall arrangement, improves through the structure to the activity step ladder for activity step ladder convenient to use, the maintenance is simple, and conveniently accomodates and expand, avoids taking place to interfere with other objects, convenient to use.
Description
Technical Field
The utility model relates to a step ladder technical field specifically is a novel perpendicular movable step ladder.
Background
People often use or take special-purpose vehicles with two types of chassis refitted in life, but according to market research and discovery, the movable ladder of the special-purpose vehicle has the following problems: the existing movable ladder is complex in structure, not easy to maintain, large in integral contraction range, large in occupied space, inconvenient to operate and not beneficial to overall layout.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel perpendicular movable step ladder aims at improving that current activity step ladder structure is complicated, is difficult for the maintenance, and the whole shrink range of step ladder is big, and occupation space is big, operates inconveniently, is unfavorable for the problem of overall arrangement.
The utility model discloses a realize like this:
the utility model provides a novel perpendicular movable step ladder, including stepping on the ladder frame, the step ladder, bolt and connecting plate, step on the ladder frame by last to lower swivelling joint have a plurality of step ladders, and the step ladder increases in proper order by last length under to, the step ladder frame is controlled between the stand and is equipped with first crossbeam on the top, and control between the stand the lower extreme and be equipped with the second crossbeam, it is articulated fixed through the connecting plate between two adjacent step ladder lateral walls, when the step ladder was packed up, it can be complete the linkage accomodate in the step ladder frame, bottom step ladder bottom surface edge is equipped with the bolt, the step ladder frame corresponds the position department that the step ladder of lower extreme packed up and is provided with the spacing head with bolt complex.
Furthermore, the step ladder is composed of a pedal, a fixed plate and a connecting beam, the connecting beam is arranged right behind the pedal, and the pedal and two sides of the connecting beam are welded together through the fixed plate; the structure is convenient for the installation and the use of the first-level pedal and is also convenient for the rotation of the first-level pedal.
Furthermore, first connecting holes are formed in the positions, aligned with the middle of the connecting beam, of the two sides of the pedal, and connecting holes are symmetrically formed in the positions, close to the rear end of the pedal, of the two sides of the ladder; the structure is convenient for connecting the first-stage pedal and the second-stage pedal, and is also convenient for connecting the first-stage pedal and the second-stage pedal with the step frame.
Furthermore, through holes are formed in the two ends of the connecting plate, and the through holes in the two ends of the connecting plate are respectively aligned with the connecting holes of the adjacent ladders and hinged with the ladders; this kind of structure is convenient for one of them ladder rotatory just can drive other ladders and rotate, is convenient for accomodate of whole ladder.
Stagger bolt and spacing head during the use, then the upset ladder, because all ladders of effect of connecting plate just can follow the rotation when one of them ladder overturns, the ladder of lower extreme can be followed the second crossbeam and interfered until the ladder rotates to the position of stepping on the ladder frame perpendicularly, thereby make the ladder can not continue to rotate, alright this moment in order to trample the ladder and step on the special-purpose vehicle, overturn the ladder and make bolt and spacing head mutually support after finishing using, with the ladder spacing in the ladder frame can.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a structure to the activity ladder improves for activity ladder convenient to use, the maintenance is simple, and convenient storage and expansion avoid taking place to interfere with other objects, convenient to use, and overall structure is simple, convenient to use personnel operate.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of the ladder of the present invention at a front depression angle;
fig. 2 is a schematic structural view of the ladder of the present invention at a front elevation angle;
FIG. 3 is a schematic structural view of the step ladder frame of the present invention at a front depression angle;
FIG. 4 is a schematic structural view of the ladder of the present invention at a front depression angle;
fig. 5 is a schematic structural view of the bolt of the present invention at a front depression;
fig. 6 is a schematic structural view of the connecting plate of the present invention under a front depression;
in the figure: 1-step ladder frame; 11-a first beam; 12-a second beam; 2, a step ladder; 21-a pedal; 22-a fixing plate; 23-a connecting beam; 24-a connection hole; 3, inserting a pin; 31-a limiting head; 4-connecting plates; 41-through hole.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example (b): referring to fig. 1, 2, 3, 4, 5 and 6: a novel vertical movable step ladder 2 comprises a step ladder frame 1, a step ladder 2, a bolt 3 and a connecting plate 4; the ladder frame 1 is rotatably connected with a plurality of ladders 2 from top to bottom, the lengths of the ladders 2 from top to bottom are sequentially increased, a first cross beam 11 is arranged at the top end between a left upright post and a right upright post of the ladder frame 1, a second cross beam 12 is arranged at the lower end between the left upright post and the right upright post, the side walls of two adjacent ladders 2 are hinged and fixed through a connecting plate 4, when the ladders 2 are folded, the ladders can be completely and interlockingly accommodated in the ladder frame 1, a bolt 3 is arranged at the bottom edge of the ladder 2 at the bottom end, and a limiting head 31 matched with the bolt 3 is arranged at the position of the ladder frame 1 corresponding to the position where the ladder 2 at the bottom; step ladder frame 1 is convenient for install step ladder 2, step ladder 2 is convenient for people to board the special-purpose vehicle, and bolt 3 is convenient for accomodate step ladder 2 spacing when not using step ladder 2, and connecting plate 4 is convenient for adjacent linking together, and this kind of structure makes activity step ladder 2 convenient to use, and the maintenance is simple, and conveniently accomodates and expandes, avoids taking place to interfere with other objects, convenient to use, and overall structure is simple, convenient to use personnel operate.
Referring to fig. 3, 4, 5 and 6: the ladder 2 consists of a pedal 21, a fixing plate 22 and a connecting beam 23, the connecting beam 23 is arranged right behind the pedal 21, and the two sides of the pedal 21 and the connecting beam 23 are welded together through the fixing plate 22; this structure facilitates the installation and use of the primary pedal 21, and also facilitates the rotation of the primary pedal 21; the two sides of the pedal 21 are provided with first connecting holes 24 aligned with the middle part of the connecting beam 23, and the two sides of the ladder 2 close to the rear end of the pedal 21 are symmetrically provided with the connecting holes 24; the structure is convenient for the connection between the first-stage pedal 21 and the second-stage pedal 21, and is also convenient for the connection holes 24 between the first-stage pedal 21 and the second-stage pedal 21 and the step frame 1; through holes 41 are formed in the two ends of the connecting plate 4, and the through holes 41 in the two ends of the connecting plate 4 are respectively aligned with the connecting holes 24 of the adjacent ladders 2 and hinged with the ladders 2; this kind of structure is convenient for one of them ladder 2 rotation just can drive other ladders 2 and rotate, is convenient for accomodate of whole ladder 2.
The working principle is as follows: stagger bolt 3 and spacing head 31 during the use, then upset ladder 2, because all ladder 2 of effect of connecting plate 4 just can follow the rotation when one of them ladder 2 overturns, ladder 2 of lower extreme can follow and produce the interference between the second crossbeam 12 when ladder 2 rotates to the position of perpendicular ladder frame 1, thereby make ladder 2 can not continue to rotate, alright step on special-purpose vehicle with trampling ladder 2 this moment, overturn ladder 2 and make bolt 3 and spacing head 31 mutually support after finishing using, with ladder 2 spacing in ladder frame 1 can.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a novel perpendicular movable step ladder, includes step ladder frame (1), step ladder (2), bolt (3) and connecting plate (4), its characterized in that: step ladder frame (1) by last to lower swivelling joint have a plurality of ladders (2), and ladder (2) increase in proper order by last length under to, step ladder frame (1) about between the stand the top be equipped with first crossbeam (11), and about between the stand the lower extreme be equipped with second crossbeam (12), adjacent two it is articulated fixed through connecting plate (4) between ladder (2) the lateral wall, work as when ladder (2) are packed up, what it can be linked completely accomodate in step ladder frame (1), the bottom step ladder (2) bottom surface edge is equipped with bolt (3), step ladder frame (1) correspond the position department that ladder (2) of lower extreme packed up be provided with bolt (3) complex spacing head (31).
2. The novel vertical movable ladder according to claim 1, wherein the ladder (2) is composed of a pedal (21), a fixing plate (22) and a connecting beam (23), the connecting beam (23) is arranged right behind the pedal (21), and both sides of the pedal (21) and the connecting beam (23) are welded together through the fixing plate (22).
3. The novel vertically movable ladder according to claim 2, wherein the first connecting holes (24) are formed at the positions of the two sides of the pedal (21) aligned with the middle of the connecting beam (23), and the connecting holes (24) are symmetrically formed at the positions of the two sides of the ladder (2) close to the rear end of the pedal (21).
4. The novel vertical movable ladder according to claim 3, wherein the connecting plate (4) is provided with through holes (41) at both ends, and the through holes (41) at both ends of the connecting plate (4) are respectively aligned with the connecting holes (24) of the adjacent ladder (2) to be hinged with the ladder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920754416.0U CN210062841U (en) | 2019-05-24 | 2019-05-24 | Novel vertical movable step ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920754416.0U CN210062841U (en) | 2019-05-24 | 2019-05-24 | Novel vertical movable step ladder |
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| Publication Number | Publication Date |
|---|---|
| CN210062841U true CN210062841U (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920754416.0U Active CN210062841U (en) | 2019-05-24 | 2019-05-24 | Novel vertical movable step ladder |
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| CN (1) | CN210062841U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021248658A1 (en) * | 2020-06-11 | 2021-12-16 | 方卓元 | Foldable step ladder and step ladder device |
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2019
- 2019-05-24 CN CN201920754416.0U patent/CN210062841U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021248658A1 (en) * | 2020-06-11 | 2021-12-16 | 方卓元 | Foldable step ladder and step ladder device |
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