CN211692284U - Folding step ladder - Google Patents
Folding step ladder Download PDFInfo
- Publication number
- CN211692284U CN211692284U CN201922258684.6U CN201922258684U CN211692284U CN 211692284 U CN211692284 U CN 211692284U CN 201922258684 U CN201922258684 U CN 201922258684U CN 211692284 U CN211692284 U CN 211692284U
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- China
- Prior art keywords
- step ladder
- installation
- folding step
- fixedly connected
- frame
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- 238000009434 installation Methods 0.000 claims abstract description 48
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 9
- 239000000956 alloy Substances 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229940036051 sojourn Drugs 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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Abstract
The utility model relates to a folding step ladder technical field specifically is a folding step ladder, including the installation body frame, the first stull of one side fixedly connected with of installation body frame, the first footboard of top fixedly connected with of first stull, the surface of installation body frame one end is provided with the installation lug, the one end that the installation lug was kept away from to the installation body frame is provided with the protruding piece of switching, one side of the protruding piece of switching articulates there is the bottom supporting leg, one side of bottom supporting leg articulates there is auxiliary stay frame. This folding step ladder wholly adopts aluminium alloy material, foldable structure, and weight is lighter, and the structure is widened, tramples safe and reliable more, and footboard upper portion has bar antiskid check, increases personnel's operation security, and the device can fix on the car side, adopts bolted connection's mode to be convenient for install, expandes the mechanism of marking time during the installation, puts in the suitable position of automobile body side, confirms vehicle side mounting height, bolted connection in the automobile body side can, easy operation, convenience.
Description
Technical Field
The utility model relates to a folding step ladder technical field specifically is a folding step ladder.
Background
Along with people's standard of living's improvement, people are happy to enjoy, the sojourn car takes place by oneself, the appearance of sojourn car is higher to the utilization requirement in space, food and beverage sojourn car is owing to sell the restriction of window height, the outside need be equipped with the ladder step board, it is too short because of current tradition overhanging distance of marking time, traditional step ladder structure's overhanging length and the high operation requirement that can not reach, influence the result of use, if overhanging length extension, intensity is unsatisfied operation requirement again, therefore in the life little to occupation space, can receive and release at any time, convenient operation's folding step ladder has had urgent demand, consequently, this kind of folding step ladder has been developed, a difficult problem for the personnel of solving get on or off the bus and sell the inconvenient operation.
The existing folding step ladder also has the following defects in the specific using process:
because the traditional step ladder can not meet the use requirements on both the extension length and the height, the standing stability is poor, and the use feeling is poor.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a folding step ladder through bottom supporting leg, first footboard and second footboard, has improved the travelling comfort that the device used, has solved the problem of proposing among the above-mentioned background art.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a folding step ladder, includes the installation body frame, the first stull of one side fixedly connected with of installation body frame, the first footboard of top fixedly connected with of first stull, the surface of installation body frame one end is provided with the installation lug, the one end that the installation lug was kept away from to the installation body frame is provided with the protruding piece of switching, one side of the protruding piece of switching articulates there is the bottom supporting leg, one side of bottom supporting leg articulates there is auxiliary stay frame, one side fixedly connected with second stull of auxiliary stay frame, the top fixedly connected with second footboard of second stull, the one end that the auxiliary stay frame kept away from the bottom supporting leg articulates there is the basic connecting rod, the one end that auxiliary stay frame was kept away from to the basic connecting rod is articulated with the installation body frame.
Optionally, both ends of the first cross brace are fixedly connected with the installation main frame, and the first pedal and the first cross brace are fixedly connected through screws.
Optionally, both ends of the second cross brace are fixedly connected with the auxiliary supporting frame, and the second pedal and the second cross brace are fixedly connected through screws.
Optionally, the number of the first pedals and the number of the second pedals are equal and are both a plurality.
Optionally, the installation main frame, the auxiliary support frame, the bottom support leg and the foundation connecting rod are all made of aluminum alloy materials.
Optionally, one end of the bottom supporting leg, which is far away from the installation main frame, is provided with an inclined plane.
Optionally, the number of the installation lifting lugs is several, and the centers of the installation lifting lugs are located on the same straight line.
Optionally, the length of the bottom support leg is less than or equal to that of the installation main frame.
Optionally, the length of the second pedal is less than the length of the first pedal.
Optionally, the top of the first pedal and the second pedal is provided with a strip-shaped anti-slip grid.
(III) advantageous effects
The utility model provides a folding step ladder possesses following beneficial effect:
(1) the folding step ladder is manually operated in the use process, so that the occupied space is small, and the folding step ladder is convenient and reliable to fold and unfold; the folding type is folded, the whole body adopts an aluminum alloy material and a folding type structure, the weight is light, and the folding is labor-saving; the structure is widened, a wide standing platform is provided for a user, the stepping is safer, more reliable and more comfortable, the upper part of the pedal is provided with the strip-shaped anti-skidding grids, the anti-skidding effect can be achieved, and the operation safety of personnel is improved. The folding step ladder device is firm and firm, light in weight, safe and reliable, and attractive in design.
(2) The folding step ladder integrally adopts an aluminum alloy material and a folding structure in the using process, has light weight and good strength, and is convenient and reliable to fold and unfold. The foldable step ladder device can be fixed on the side surface of an automobile, is convenient to mount by adopting a bolt connection mode, and is convenient to use because the step mechanism is unfolded and placed at a proper position on the side surface of the automobile body to determine the mounting height of the side surface of the automobile and is connected with the side surface of the automobile body by bolts.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is an enlarged schematic view of a structure shown in fig. 2 according to the present invention.
In the figure: 1-mounting a main frame, 2-a first cross brace, 3-a first pedal, 4-mounting lifting lugs, 5-a switching convex piece, 6-a bottom supporting leg, 7-an auxiliary supporting frame, 8-a second cross brace, 9-a second pedal and 10-a foundation connecting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1 to 3, the present invention provides a technical solution: comprises an installation main frame 1, one side of the installation main frame 1 is fixedly connected with a first cross brace 2, the top of the first cross brace 2 is fixedly connected with a first pedal 3, the outer surface of one end of the installation main frame 1 is provided with an installation lifting lug 4, one end of the installation main frame 1 far away from the installation lifting lug 4 is provided with a switching convex part 5, one side of the switching convex part 5 is articulated with a bottom supporting leg 6, one side of the bottom supporting leg 6 is articulated with an auxiliary supporting frame 7, one side of the auxiliary supporting frame 7 is fixedly connected with a second cross brace 8, the top of the second cross brace 8 is fixedly connected with a second pedal 9, one end of the auxiliary supporting frame 7 far away from the bottom supporting leg 6 is articulated with a base connecting rod 10, one end of the base connecting rod 10 far away from the auxiliary supporting frame 7 is articulated with the installation main frame 1, both ends of the first cross brace 2 are fixedly connected with the installation main frame 1, both ends of second stull 8 all with auxiliary stay frame 7 fixed connection, second footboard 9 all adopts screw fixed connection with second stull 8, the quantity of first footboard 3 and second footboard 9 equals and is a plurality of, installation body frame 1, auxiliary stay frame 7, bottom supporting leg 6 and basic connecting rod 10 are formed by the aluminum alloy material preparation, the one end that installation body frame 1 was kept away from to bottom supporting leg 6 is provided with the inclined plane, the quantity of installation lug 4 is a plurality of, the center of a plurality of installation lug 4 is located same straight line, the length less than or equal to of bottom supporting leg 6 installs the length of body frame 1, the length of second footboard 9 is less than the length of first footboard 3, bar antiskid check have been seted up at the top of first footboard 3 and second footboard 9.
The folding step ladder device is manually operated, occupies small space, is convenient and reliable to fold and unfold, is folded, has the folded and folded appearance size of 100mm 667mm 2550mm (width, height, length), is unfolded and stepped with the appearance size of 500mm 1111mm 2550mm (width, height, length), has the single step ladder height of 250mm, is integrally made of aluminum alloy materials and has a folding structure, light weight and small installation required space. The upper part of the pedal is provided with the strip-shaped anti-skidding grids which can play a role in skid resistance and increase the operation safety of personnel. The folding step ladder device is firm and firm, light in weight, safe, reliable, attractive in design, convenient to install and capable of fixing the folding step ladder on various types of vehicles, and the folding step ladder device is connected by using bolts in installation.
In the using process, the mounting main frame 1 is used as a main supporting framework and is mounted on various vehicles through mounting lugs 4, when in use, the bottom supporting leg 6 is in an unfolded state, the ground is used as a supporting point, and the whole step ladder is supported together with the mounting lugs 4 for trampling, the second pedal 9 is fixed with the bottom supporting leg 6 through a basic connecting rod 10 at two ends and also used as a part of a four-bar mechanism, when in unfolding, a trampling point is additionally arranged between the ground and the first pedal 3, so that the step ladder is more convenient to move up and down, the strength of the left and right supporting legs is enhanced, the basic connecting rod 10, the bottom supporting leg 6, the second pedal 9 and the mounting main frame 1 are perfectly combined into the four-bar mechanism, the occupied space is smaller when the structure is folded through the optimization of the four-bar mechanism, the maximum use requirement is met when the device is unfolded, and the device can be fixed on the side surface of, the device is convenient to install by adopting a bolt connection mode, the stepping mechanism is unfolded during installation and placed at a proper position on the side face of the vehicle body to determine the installation height of the side face of the vehicle, and the stepping mechanism is connected to the side face of the vehicle body through the bolt. The whole body is made of aluminum alloy materials and has a folding structure, so that the weight is light, the strength is good, and the folding and unfolding are convenient and reliable.
In conclusion, when the folding step ladder is used, manual operation is adopted, the occupied space is small, and the folding step ladder is convenient and reliable to fold and unfold; when folded, the whole body adopts an aluminum alloy material and a folding structure, so that the weight is light, and the folding type folding chair is convenient and labor-saving; the structure is widened, a wide standing platform is provided for a user, the stepping is safer, more reliable and more comfortable, the upper part of the pedal is provided with the strip-shaped anti-skidding grids, the anti-skidding effect can be achieved, and the operation safety of personnel is improved. The folding step ladder device is firm and firm, light in weight, safe and reliable, and attractive in design; the foldable step ladder device can be fixed on the side surface of an automobile, is convenient to install by adopting a bolt connection mode, and is simple and convenient to operate by unfolding the step mechanism and placing the step mechanism at a proper position on the side surface of the automobile body to determine the installation height of the side surface of the automobile and connecting the bolt to the side surface of the automobile body.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides a folding step ladder, includes installation body frame (1), its characterized in that: one side of the installation main frame (1) is fixedly connected with a first cross brace (2), the top of the first cross brace (2) is fixedly connected with a first pedal (3), the outer surface of one end of the installation main frame (1) is provided with an installation lifting lug (4), one end of the installation main frame (1) far away from the installation lifting lug (4) is provided with a switching convex piece (5), one side of the switching convex part (5) is hinged with a bottom supporting leg (6), one side of the bottom supporting leg (6) is hinged with an auxiliary supporting frame (7), one side of the auxiliary supporting frame (7) is fixedly connected with a second cross brace (8), the top of the second cross brace (8) is fixedly connected with a second pedal (9), one end of the auxiliary supporting frame (7) far away from the bottom supporting leg (6) is hinged with a basic connecting rod (10), one end of the basic connecting rod (10) far away from the auxiliary supporting frame (7) is hinged with the installation main frame (1).
2. A folding step ladder as claimed in claim 1, wherein: the both ends of first stull (2) all with installation body frame (1) fixed connection, first footboard (3) all adopt screw fixed connection with first stull (2).
3. A folding step ladder as claimed in claim 1, wherein: both ends of the second cross brace (8) are fixedly connected with the auxiliary supporting frame (7), and the second pedal (9) is fixedly connected with the second cross brace (8) through screws.
4. A folding step ladder as claimed in claim 1, wherein: the number of the first pedals (3) and the number of the second pedals (9) are equal and are respectively a plurality, and the first pedals and the second pedals can be adjusted according to the required length.
5. A folding step ladder as claimed in claim 1, wherein: the installation main frame (1), the auxiliary supporting frame (7), the bottom supporting legs (6) and the foundation connecting rod (10) are all made of aluminum alloy materials.
6. A folding step ladder as claimed in claim 1, wherein: and an inclined plane is arranged at one end of the bottom supporting leg (6) far away from the installation main frame (1).
7. A folding step ladder as claimed in claim 1, wherein: the number of the mounting lifting lugs (4) is a plurality, and the centers of the mounting lifting lugs (4) are positioned on the same straight line.
8. A folding step ladder as claimed in claim 1, wherein: the length of the bottom supporting leg (6) is less than or equal to that of the installation main frame (1).
9. A folding step ladder as claimed in claim 1, wherein: the length of the second pedal (9) is less than that of the first pedal (3).
10. A folding step ladder as claimed in claim 1, wherein: the top parts of the first pedal (3) and the second pedal (9) are provided with strip-shaped anti-slip grids.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922258684.6U CN211692284U (en) | 2019-12-16 | 2019-12-16 | Folding step ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922258684.6U CN211692284U (en) | 2019-12-16 | 2019-12-16 | Folding step ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211692284U true CN211692284U (en) | 2020-10-16 |
Family
ID=72791685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922258684.6U Expired - Fee Related CN211692284U (en) | 2019-12-16 | 2019-12-16 | Folding step ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211692284U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113353113A (en) * | 2021-07-26 | 2021-09-07 | 中车永济电机有限公司 | Be applied to movable roof ladder of heavy duty railcar |
-
2019
- 2019-12-16 CN CN201922258684.6U patent/CN211692284U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113353113A (en) * | 2021-07-26 | 2021-09-07 | 中车永济电机有限公司 | Be applied to movable roof ladder of heavy duty railcar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201016 |