CN215347968U - Foldable stairs - Google Patents
Foldable stairs Download PDFInfo
- Publication number
- CN215347968U CN215347968U CN202120904722.5U CN202120904722U CN215347968U CN 215347968 U CN215347968 U CN 215347968U CN 202120904722 U CN202120904722 U CN 202120904722U CN 215347968 U CN215347968 U CN 215347968U
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- pull rod
- vertical rod
- rod
- pole setting
- pedal
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Abstract
The utility model discloses a foldable stair, comprising: the pedal device comprises a front left vertical rod, a front right vertical rod, a rear left vertical rod, a rear right vertical rod and a plurality of pedal frames arranged at intervals, wherein the front left vertical rod, the front right vertical rod, the rear left vertical rod and the rear right vertical rod are arranged at intervals, the left side of the pedal frame is pivotally connected with the front left vertical rod and the rear left vertical rod, the right side of the pedal frame is pivotally connected with the front right vertical rod and the rear right vertical rod, a left inclined pull rod assembly is rotatably connected between the front left vertical rod and the rear left vertical rod, a right inclined pull rod assembly is rotatably connected between the front right vertical rod and the rear right vertical rod, the left inclined pull rod assembly comprises a left lower pull rod and a left upper pull rod, the left lower pull rod is rotatably connected with the left upper pull rod, the right inclined pull rod assembly comprises a right lower pull rod and a right upper pull rod, the right lower pull rod is rotatably connected with the right upper pull rod, and the pedal device can be folded when the pedal device is not needed to be used, the utility model has the advantages of reduced volume and occupied space.
Description
Technical Field
The utility model relates to the technical field of folding ladders, in particular to a foldable stair.
Background
For make full use of living space, can set up upper and lower bed in the bedroom usually, people can climb the upper berth through climbing the ladder usually, upper and lower bed sets up common ladder in one side snap-on usually, and common ladder is whole bulky, and is unable folding, leads to having the defect that occupation space is big.
In view of the above, the present inventors have made extensive studies and intensive studies to solve the above problems, and have developed and designed the present invention.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a foldable stair capable of reducing occupied space.
In order to achieve the purpose, the solution of the utility model is as follows:
a collapsible stairway, comprising: the pedal frame is stepped on that a preceding left pole setting, a preceding right pole setting, a back left pole setting, a back right pole setting and a plurality of interval set up, equal interval sets up between two liang of preceding left pole setting, preceding right pole setting, back left pole setting and back right pole setting, the left side pivot ground connection preceding left pole setting and the back left pole setting of stepping on the pedal frame, the right side pivot ground connection preceding right pole setting and the back right pole setting of stepping on the pedal frame, rotationally connect a left oblique pull rod subassembly between preceding left pole setting and the back left pole setting, rotationally connect a right oblique pull rod subassembly between preceding right pole setting and the back right pole setting, left oblique pull rod subassembly includes a left lower pull rod and an upper left pull rod, left lower pull rod and upper left pull rod rotationally connect, right oblique pull rod subassembly includes a right lower pull rod and an upper right pull rod, right lower pull rod and upper right pull rod rotationally connect.
The lower extreme of preceding left pole setting and the lower extreme of preceding right pole setting all form the end of standing, the upper end of back left pole setting and the upper end of back right pole setting all form the stiff end.
The upper end of the rear left vertical rod and the upper end of the rear right vertical rod are respectively and fixedly provided with a rotatable connecting piece.
The connecting piece is U-shaped.
The upper side wall of the end part of the left upper pull rod connected with the left lower pull rod is provided with a left baffle capable of limiting the rotation of the left lower pull rod, the upper side wall of the end part of the right upper pull rod connected with the right lower pull rod is provided with a right baffle capable of limiting the rotation of the right lower pull rod, and when the left upper pull rod and the left lower pull rod are positioned on the same straight line, the end part of the left lower pull rod connected with the left upper pull rod is blocked by the left baffle and can not rotate continuously; when the right upper pull rod and the right lower pull rod are positioned on the same straight line, the end part of the right lower pull rod connected with the right upper pull rod is blocked by the right baffle and cannot rotate continuously.
The treading pedal frame is rectangular.
The upper end of the front left vertical rod, the upper end of the front right vertical rod, the lower end of the rear left vertical rod and the lower end of the rear right vertical rod are respectively provided with a flattening fixing plate, and the flattening fixing plates are connected and fixed to the adjacent pedal frames through penetrating connecting pieces.
The pedal is erected on the inner sides of the front left vertical rod, the front right vertical rod, the rear left vertical rod and the rear right vertical rod, and the right diagonal draw bar assembly and the left diagonal draw bar assembly are arranged on the outer sides of the front left vertical rod, the front right vertical rod, the rear left vertical rod and the rear right vertical rod.
After the technical scheme is adopted, the top of the pedal frame is fixedly arranged on the connecting panel between the upper berth and the lower berth through the structural design of the front left upright rod, the front right upright rod, the rear left upright rod, the rear right upright rod, the pedal frame, the right diagonal draw bar assembly and the left diagonal draw bar assembly, when a user needs to climb the pedal frame to climb the upper berth, the pedal frame is enabled to rotate downwards until a horizontal plane is formed by pulling the front left upright rod and the rear left upright rod downwards, the left lower draw bar and the left upper draw bar of the left diagonal draw bar assembly form a straight line, the right lower draw bar and the right upper draw bar of the right diagonal draw bar assembly form a straight line, and the user can climb the pedal frame; when the pedal frame is not needed to be used, the pedal frame is enabled to rotate upwards until an inclined plane is formed by only pushing the front left vertical rod and the rear left vertical rod upwards, the left lower pull rod and the left upper pull rod of the left diagonal pull rod assembly are crossed, the right lower pull rod and the right upper pull rod of the right diagonal pull rod assembly are crossed, the front left vertical rod is attached to the rear left vertical rod, and the front right vertical rod is attached to the rear right vertical rod, so that the overall size of the pedal frame is reduced, and the occupied space can be reduced.
Drawings
FIG. 1 is a perspective view of the present invention in use;
FIG. 2 is a side view of the present invention in use;
FIG. 3 is a perspective view of the utility model after folding;
fig. 4 is a side view of the utility model after folding.
[ notation ] to show
Front left vertical rod 1
Front right vertical rod 2
Rear left vertical rod 3
Rear right upright rod 4
Pedal frame 5
Left diagonal draw bar assembly 6
Right diagonal draw bar assembly 7
Right lower pull rod 71, right upper pull rod 72 and right baffle 73
Connecting piece 8
Flattening and fixing plate 9
And a fastener 10.
Detailed Description
To achieve the above objects and advantages, the present invention provides a novel and improved technical means and structure, which will be described in detail in connection with the preferred embodiments of the present invention.
Referring to fig. 1 to 4, the present invention discloses a foldable stairway, which may be an iron frame, comprising: a front left vertical rod 1, a front right vertical rod 2, a rear left vertical rod 3, a rear right vertical rod 4 and a plurality of pedal frames 5 arranged at intervals, wherein the front left vertical rod 1, the front right vertical rod 2, the rear left vertical rod 3 and the rear right vertical rod 4 are arranged at intervals, the left side of the pedal frame 5 is pivotally connected with the front left vertical rod 1 and the rear left vertical rod 3, the right side of the pedal frame 5 is pivotally connected with the front right vertical rod 2 and the rear right vertical rod 4, a left inclined pull rod assembly 6 is rotatably connected between the front left vertical rod 1 and the rear left vertical rod 3, a right inclined pull rod assembly 7 is rotatably connected between the front right vertical rod 2 and the rear right vertical rod 4, the left inclined pull rod assembly 6 comprises a left lower pull rod 61 and a left upper pull rod 62, the left lower pull rod 61 is rotatably connected with the left upper pull rod 62, the right inclined pull rod assembly 7 comprises a right lower pull rod 71 and a right upper pull rod 72, the right lower pull rod 71 is rotatably connected with the right upper pull rod 72; in order to facilitate the user to step on, the step frame 5 may be rectangular.
Therefore, according to the structural design of the front left upright rod 1, the front right upright rod 2, the rear left upright rod 3, the rear right upright rod 4, the pedal frame 5, the right diagonal draw bar assembly 7 and the left diagonal draw bar assembly 6, the top of the device is fixedly arranged on the connecting panel between the upper berth and the lower berth, when a user needs to climb the device to climb the upper berth, the user only needs to pull the front left upright rod 1 and the rear left upright rod 3 downwards to enable the pedal frame 5 to rotate downwards until a horizontal plane is formed, the left lower draw bar 61 and the left upper draw bar 62 of the left diagonal draw bar assembly 6 form a straight line, the right lower draw bar 71 and the right upper draw bar 72 of the right diagonal draw bar assembly 7 form a straight line, and the user can climb the device; when the pedal device is not needed to be used, the pedal frame 5 is enabled to rotate upwards until an inclined plane is formed by only pushing the front left vertical rod 1 and the rear left vertical rod 3 upwards, the left lower pull rod 61 and the left upper pull rod 62 of the left diagonal draw bar assembly 6 are crossed, the right lower pull rod 71 and the right upper pull rod 72 of the right diagonal draw bar assembly 7 are crossed, the front left vertical rod 1 is attached to the rear left vertical rod 3, and the front right vertical rod 2 is attached to the rear right vertical rod 4, so that the overall size of the pedal device is reduced, and the occupied space can be reduced; the front left vertical rod 1 and the rear left vertical rod 3 can be provided with magnets, and/or the front right vertical rod 2 and the rear right vertical rod 4 can be provided with magnets, so that the front left vertical rod 1 and the rear left vertical rod 3 can be fixed by magnetic attraction, and/or the front right vertical rod 2 and the rear right vertical rod 4 can be fixed by magnetic attraction after the folding; however, the front left vertical rod 1 and the rear left vertical rod 3 may be respectively provided with a hook member and a hook post for hooking the hook member, and/or the front right vertical rod 2 and the rear right vertical rod 4 may be respectively provided with a hook member and a hook post for hooking the hook member, so that the front left vertical rod 1 and the rear left vertical rod 3 may be fixed in a hooking manner and/or the front right vertical rod 2 and the rear right vertical rod 4 may be fixed in a hooking manner after the folding of the present invention; after the folding of the present invention, the front left vertical rod 1 and the rear left vertical rod 3 can be fixed together, and/or the front right vertical rod 2 and the rear right vertical rod 4 can be fixed together.
In order to facilitate use, the lower end of the front left upright rod 1 and the lower end of the front right upright rod 2 form standing ends, and the upper end of the rear left upright rod 3 and the upper end of the rear right upright rod 4 form fixed ends, namely when the ladder is required to be unfolded to form a ladder for use, the lower end of the front left upright rod 1 and the lower end of the front right upright rod stand on the ground, and the upper end of the rear left upright rod 3 and the upper end of the rear right upright rod 4 are fixedly arranged on a connecting panel between an upper berth and a lower berth.
Moreover, in order to facilitate the connection and fixation of the utility model, a rotatable connecting piece 8 can be fixedly arranged at the upper end of the rear left upright rod 3 and the upper end of the rear right upright rod 4; wherein, connecting piece 8 is the U type to when connecting piece 8 is fixed in the connection panel between upper berth and the lower berth, the user can make preceding left upright stanchion 1, preceding right upright stanchion 2, back left upright stanchion 3, back right upright stanchion 4 rotate to required use angle relative connecting piece 8, in order to facilitate the use.
Furthermore, a left baffle 63 capable of limiting the rotation of the left lower pull rod 61 is formed on the upper side wall of the end part of the left upper pull rod 62 connected with the left lower pull rod 61, a right baffle 73 capable of limiting the rotation of the right lower pull rod 71 is formed on the upper side wall of the end part of the right upper pull rod 72 connected with the right lower pull rod 71, and when the left upper pull rod 62 and the left lower pull rod 61 are positioned on the same straight line, the end part of the left upper pull rod 62 connected with the left lower pull rod 61 is blocked by the left baffle 63 and cannot rotate continuously; when the right upper pull rod 72 and the right lower pull rod 71 are located on the same straight line, the end portion of the right lower pull rod 71 connected with the right upper pull rod 72 is blocked by the right blocking piece 73 and cannot rotate continuously, so that the left blocking piece 63 and the right blocking piece 73 are arranged to prevent the left upper pull rod 62 and the left lower pull rod 61 from rotating excessively and the right upper pull rod 72 and the right lower pull rod 71 from rotating excessively to affect use.
Secondly, in order to facilitate the installation and fixation of the utility model, a flattening fixing plate 9 is formed at the upper end of the front left upright rod 1, the upper end of the front right upright rod 2, the lower end of the rear left upright rod 3 and the lower end of the rear right upright rod 4, the flattening fixing plate 9 is connected and fixed to the pedal frame 5 adjacent to each other through a penetrating connecting member 10, wherein the connection and fixation between the rear left upright rod 3 and the pedal frame 5, between the rear right upright rod 4 and the pedal frame 5, between the connecting member 8 and the rear left upright rod 3, between the connecting member 8 and the rear right upright rod 4, between the left lower pull rod 61 and the left upper pull rod 62, between the right lower pull rod 71 and the right upper pull rod 72, between the front left upright rod 1 and the left diagonal pull rod assembly 6, between the rear left upright rod 3 and the left diagonal pull rod assembly 6, between the front right upright rod 2 and the right diagonal pull rod assembly 7, and between the rear right upright rod assembly 4 and the right diagonal pull rod assembly 7 are realized through the penetrating connecting member 10, the fastener 10 may be a rivet or the like.
In this embodiment, the pedal frame 5 is disposed inside the front left upright 1, the front right upright 2, the rear left upright 3 and the rear right upright 4, and the right diagonal draw bar assembly 7 and the left diagonal draw bar assembly 6 are disposed outside the front left upright 1, the front right upright 2, the rear left upright 3 and the rear right upright 4 for convenient use; furthermore, the left lower pull rod 61 is shorter than the left upper pull rod 62, the right lower pull rod 71 is shorter than the right upper pull rod 72, the left lower pull rod 61 is rotatably connected to the front left upright rod 1, the left upper pull rod 62 is rotatably connected to the rear left upright rod 3, the right lower pull rod 71 is rotatably connected to the rear left upright rod 3, and the right upper pull rod 72 is rotatably connected to the rear right upright rod 72.
While the utility model has been described with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model. Therefore, the scope of the present invention should not be limited to the embodiments disclosed, but includes various alternatives and modifications without departing from the present invention, which are encompassed by the claims.
Claims (8)
1. A collapsible stairway, comprising: the pedal frame is stepped on that a preceding left pole setting, a preceding right pole setting, a back left pole setting, a back right pole setting and a plurality of interval set up, equal interval sets up between two liang of preceding left pole setting, preceding right pole setting, back left pole setting and back right pole setting, the left side pivot ground connection preceding left pole setting and the back left pole setting of stepping on the pedal frame, the right side pivot ground connection preceding right pole setting and the back right pole setting of stepping on the pedal frame, rotationally connect a left oblique pull rod subassembly between preceding left pole setting and the back left pole setting, rotationally connect a right oblique pull rod subassembly between preceding right pole setting and the back right pole setting, left oblique pull rod subassembly includes a left lower pull rod and an upper left pull rod, left lower pull rod and upper left pull rod rotationally connect, right oblique pull rod subassembly includes a right lower pull rod and an upper right pull rod, right lower pull rod and upper right pull rod rotationally connect.
2. The collapsible stairway as claimed in claim 1, wherein: the lower extreme of preceding left pole setting and the lower extreme of preceding right pole setting all form the end of standing, the upper end of back left pole setting and the upper end of back right pole setting all form the stiff end.
3. The collapsible stairway as claimed in claim 2, wherein: the upper end of the rear left vertical rod and the upper end of the rear right vertical rod are respectively and fixedly provided with a rotatable connecting piece.
4. The collapsible stairway as claimed in claim 3, wherein: the connecting piece is U-shaped.
5. The collapsible stairway as claimed in claim 1, wherein: the upper side wall of the end part of the left upper pull rod connected with the left lower pull rod is provided with a left baffle capable of limiting the left lower pull rod to rotate, and the upper side wall of the end part of the right upper pull rod connected with the right lower pull rod is provided with a right baffle capable of limiting the right lower pull rod to rotate.
6. The collapsible stairway as claimed in claim 1, wherein: the treading pedal frame is rectangular.
7. The collapsible stairway as claimed in claim 1, wherein: the upper end of the front left vertical rod, the upper end of the front right vertical rod, the lower end of the rear left vertical rod and the lower end of the rear right vertical rod are respectively provided with a flattening fixing plate, and the flattening fixing plates are connected and fixed to the adjacent pedal frames through penetrating connecting pieces.
8. The collapsible stairway as claimed in any one of claims 1 to 7, wherein: the pedal is erected on the inner sides of the front left vertical rod, the front right vertical rod, the rear left vertical rod and the rear right vertical rod, and the right diagonal draw bar assembly and the left diagonal draw bar assembly are arranged on the outer sides of the front left vertical rod, the front right vertical rod, the rear left vertical rod and the rear right vertical rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120904722.5U CN215347968U (en) | 2021-04-28 | 2021-04-28 | Foldable stairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120904722.5U CN215347968U (en) | 2021-04-28 | 2021-04-28 | Foldable stairs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215347968U true CN215347968U (en) | 2021-12-31 |
Family
ID=79628621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120904722.5U Active CN215347968U (en) | 2021-04-28 | 2021-04-28 | Foldable stairs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215347968U (en) |
-
2021
- 2021-04-28 CN CN202120904722.5U patent/CN215347968U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |