CN210067946U - Multilayer folding ladder - Google Patents
Multilayer folding ladder Download PDFInfo
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- CN210067946U CN210067946U CN201920506527.XU CN201920506527U CN210067946U CN 210067946 U CN210067946 U CN 210067946U CN 201920506527 U CN201920506527 U CN 201920506527U CN 210067946 U CN210067946 U CN 210067946U
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Abstract
The utility model provides a multilayer folding ladder, detain including foot rest A, foot rest B, footboard, synchronization member and primary and secondary, through synchronization member, can let the footboard expandes in step or receive and close, and synchronization member is integrative, confined, can strengthen folding ladder's intensity and stability, but the primary and secondary is detained the split, and simple structure realizes the installation of closed synchronization member, further improves folding ladder's wholeness, and stability and security do.
Description
Technical Field
The utility model relates to a multilayer folding ladder.
Background
The multi-layer ladder is often applied to the arrangement of lower containers in families or supermarkets. The multi-layer ladder generally adopts the folding mode, and its support frame has hinge mechanisms and stop gear with the footboard, and it is little to have the collection space, convenient to use's characteristic, nevertheless, folding ladder on the market, the mechanism of its support frame often is too simple complicated, leads to connecting between the spare part, the equipment relation is complicated, causes to connect unreliable, has certain danger during the use.
Disclosure of Invention
The utility model provides a multilayer folding ladder, which comprises a foot rest A, a foot rest B, a pedal, a synchronizing part and a snap fastener.
Wherein the pedals are at least two, i.e. at least two stages.
The top end of the foot rest A is hinged with the upper part of the foot rest B, and the foot rest A and the foot rest B jointly form a supporting foot rest of the folding ladder.
The foot rest A comprises a transverse mounting rod, one end of each pedal is hinged to the foot rest B, and the other end of each pedal is linked through a synchronizing piece.
The synchronous piece comprises transverse supporting rods and vertical connecting rods, the number of the transverse supporting rods is equal to that of the pedals, the transverse supporting rods are hinged to the other ends of the pedals, and the two ends of each transverse supporting rod are connected through the vertical connecting rods; the synchronous piece is hinged with the transverse mounting rod of the foot rest A through the snap fastener, namely the pedal, the foot rest B and the synchronous piece form a connecting rod mechanism, when the synchronous piece is connected with the foot rest A, the foot rest A is pulled or folded, the synchronous piece and the connecting rod mechanism can be driven to move, and the pedal is unfolded or folded.
The snap fastener comprises a male fastener and a female fastener, the female fastener is provided with a limiting through groove, the bottom of the limiting through groove is semicircular, the width of the limiting through groove is equal to that of the male fastener, a semicircular through groove is formed in one surface, facing the female fastener, of the male fastener, and when the male fastener is sleeved in the female fastener, the groove bottom of the limiting through groove of the female fastener and the semicircular through groove of the male fastener are spliced to form a complete first round hole; through holes are formed in two side walls of the limiting through groove of the female buckle, the axis of each through hole is perpendicular to the axis of the first round hole and the side wall of the limiting through groove, holes corresponding to the through holes are formed in the male buckle, and when the male buckle is sleeved in the female buckle, the through holes in the female buckle are aligned with the holes in the male buckle to form second round holes; during assembly, the transverse mounting rod is limited in the second round hole, and the vertical connecting rod is limited in the first round hole.
Optionally, a rod groove is formed in the bottom of one end, connected with the transverse supporting rod, of the pedal, and the transverse supporting rod is arranged in the rod groove.
Optionally, a yielding port is formed in one end, close to the transverse supporting rod, of the pedal, the yielding port gives way to the transverse supporting rod, meanwhile, pedals at two ends of the yielding port are connected with the transverse supporting rod through the rod groove, when a user wants to fold the folding ladder, the user only needs to hold the transverse supporting rod through the yielding port, lift the transverse supporting rod upwards, and fold the folding ladder through the connecting rod mechanism.
Optionally, a supporting surface for supporting the pedal is arranged at one end of the female buckle close to the pedal, and when the pedal is unfolded to a horizontal position, the bottom end of the pedal abuts against the supporting surface to play a limiting role.
Optionally, the foot rest B is provided with a mounting groove corresponding to the mounting position of the foot rest a, and the end of the foot rest a is inserted into the mounting groove and hinged in the mounting groove.
Optionally, a pedal support rod is arranged at the end of the foot rest B corresponding to each pedal, a rod groove corresponding to the pedal support plate is formed in one end of the pedal close to the foot rest B, and the pedal support rod is limited in the rod groove.
Optionally, the both sides portion that the son was buckled, corresponding the lateral wall that the spacing logical groove of box was led to is equipped with the recess that the profile is unanimous, through the recess with spacing logical groove, son is buckled and box is spacing mutually, improves the connection stability of son and mother's knot.
It is right by the aforesaid the utility model discloses a description can know, compares with prior art, the utility model discloses a multilayer folding ladder, detain including foot rest A, foot rest B, footboard, synchronization piece and primary and secondary, through synchronization piece, can let the footboard expandes in step or receive and close, and synchronization piece is confined, can strengthen folding ladder's intensity and stability, but the primary and secondary is detained the split, and simple structure realizes the installation of closed synchronization piece, further improves folding ladder's an organic whole nature, stability and security.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it.
Wherein:
fig. 1 is a schematic structural view (axial side view) of a multi-layer folding ladder of the present invention;
fig. 2 is a schematic structural view (front view) of a multi-layer folding ladder of the present invention;
fig. 3 is a schematic structural view (side view) of a multi-layer folding ladder of the present invention;
FIG. 4 is a schematic view (axial side view) of the synchronizing member and snap fastener of the multi-layer folding ladder of the present invention;
fig. 5 is a schematic structural view (top view) of a step of a multi-step ladder of the present invention;
fig. 6 is a schematic structural view (top view) of the snap fastener of the multi-layered folding ladder of the present invention;
fig. 7 is a schematic view (axial side view) of the snap fastener of the multi-layered folding ladder of the present invention;
fig. 8 is a schematic view (axial side view) of the snap fastener of the multi-layered folding ladder of the present invention;
the reference numerals of fig. 1 to 8 denote: 10-foot rest A, 11-transverse installation rod, 20-foot rest B, 21-installation groove, 22-pedal support rod, 30-pedal, 40-synchronizing piece, 41-transverse support rod, 42-vertical connection rod, 50-snap fastener, 51-snap fastener, 52-snap fastener, 53-limiting through groove, 54-semicircular through groove, 55-through hole and 56-support surface.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1 to 3, a multi-step ladder includes a foot rest a10, a foot rest B20, a pedal 30, a synchronizing member 40, and a snap fastener 50.
Wherein, the step 30 has at least two steps, and the embodiment is a two-step folding ladder.
The top end of the foot stand A10 is hinged with the upper part of the foot stand B20, and the foot stand A10 and the foot stand B20 together form a supporting foot stand of the folding ladder. In this embodiment, the foot rest B20 has an installation groove 21 corresponding to the installation position of the foot rest a10, and the end of the foot rest a10 is inserted into the installation groove 21 and hinged to the installation groove 21.
The foot stool a10 comprises a transverse mounting rod 11, one end of all the pedals 30 is hinged with the foot stool B20, and the other ends of all the pedals 30 are linked through a synchronizing member 40.
Referring to fig. 4, the synchronizing member 40 includes horizontal support rods 41 and vertical connecting rods 42, the number of the horizontal support rods 41 is equal to the number of the pedals 30, and the horizontal support rods 41 are hinged to the other ends of the pedals 30, in this embodiment, a rod groove is formed at the bottom of one end of the pedals 30, which is connected to the horizontal support rods 41, the horizontal support rods 41 are limited in the rod groove, pedal support rods 22 are arranged at the ends of the foot rests B20, which correspond to each pedal 30, rod grooves corresponding to the support plates of the pedals 30 are formed at the ends of the pedals 30, which are close to the foot rests B20, and the pedal support rods 22 are limited in the rod grooves.
The two ends of the transverse supporting rod 41 are connected through a vertical connecting rod 42; the synchronizing member 40 is hinged to the transverse mounting rod 11 of the foot rest a10 through the snap fastener 50, that is, the pedal 30, the foot rest B20 and the synchronizing member 40 form a link mechanism, when the synchronizing member 40 is connected to the foot rest a10, the foot rest a10 is pulled or folded, and the synchronizing member 40 and the link mechanism can be driven to move, so that the pedal 30 can be unfolded or folded.
Referring to fig. 5, one end of the pedal 30 close to the transverse supporting rod 41 is provided with a yielding opening 31, the yielding opening 31 yields the transverse supporting rod 41, meanwhile, the pedals 30 at two ends of the yielding opening 31 are connected to the transverse supporting rod 41 through the rod grooves, when a user wants to fold the folding ladder, the user only needs to hold the transverse supporting rod 41 through the yielding opening 31, lift the transverse supporting rod upwards, and fold the folding ladder through the link mechanism.
Referring to fig. 6 to 8, the snap fastener 50 includes a male fastener 51 and a female fastener 52, the female fastener 52 is provided with a limiting through groove 53, the bottom of the limiting through groove 53 is semicircular, the width of the limiting through groove 53 is equal to the width of the male fastener 51, one surface of the male fastener 51 facing the female fastener 52 is provided with a semicircular through groove 54, and when the male fastener 51 is sleeved in the female fastener 52, the bottom of the limiting through groove 53 of the female fastener 52 and the semicircular through groove 54 of the male fastener 51 are spliced to form a complete first circular hole; through holes 55 are formed in two side walls of the limiting through groove 53 of the female buckle 52, the axis of the through hole 55 is perpendicular to the axis of the first round hole and the side wall of the limiting through groove 53, a hole corresponding to the through hole 55 is formed in the male buckle 51, and when the male buckle 51 is sleeved in the female buckle 52, the through hole 55 in the female buckle 52 is aligned with the hole in the male buckle 51 to form a second round hole; when assembled, the transverse mounting rod 11 is constrained within the second circular hole and the vertical connecting rod 42 is constrained within the first circular hole. Meanwhile, a supporting surface 56 for supporting the pedal 30 is arranged at one end of the female buckle 52 close to the pedal 30, and when the pedal 30 is unfolded to a horizontal position, the bottom end of the pedal 30 abuts against the supporting surface 56 to play a limiting role.
In order to ensure the reliable connection of the snap fastener 50, grooves with the same contour are arranged on the two side parts of the secondary fastener 51 and the side walls of the limiting through grooves 53 corresponding to the female fastener 52, and the secondary fastener 51 and the female fastener 52 are mutually limited through the grooves and the limiting through grooves 53, so that the connection stability of the snap fastener 50 is improved.
During the installation, overlap on vertical connecting rod 42 with female buckle 52's spacing logical groove 53 earlier, again with son buckle 51 embedding female buckle 52, again with horizontal installation pole 11 pass install on foot rest A10 behind the second round hole, this mounting means can guarantee the wholeness of synchronizing member 40, increases synchronizing member 40's intensity.
It is right by the aforesaid the utility model discloses a description can know, compares with prior art, the utility model discloses a multilayer folding ladder, detain including foot rest A, foot rest B, footboard, synchronization piece and primary and secondary, through synchronization piece, can let the footboard expandes in step or receive and close, and synchronization piece is confined, can strengthen folding ladder's intensity and stability, but the primary and secondary is detained the split, and simple structure realizes the installation of closed synchronization piece, further improves folding ladder's an organic whole nature, stability and security.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements can be made without modification to the method and technical solution of the present invention, or the present invention can be directly applied to other occasions without modification, all within the scope of the present invention.
Claims (7)
1. A multi-layer folding ladder is characterized by comprising a foot rest A, a foot rest B, a pedal, a synchronizing piece and a snap fastener,
the pedals are at least two, namely at least two stages;
the top end of the foot rest A is hinged with the upper part of the foot rest B;
the foot rest A comprises a transverse mounting rod, one end of each pedal is hinged with the foot rest B, and the other ends of the pedals are linked through a synchronizing piece;
the synchronous piece comprises transverse supporting rods and vertical connecting rods, the number of the transverse supporting rods is equal to that of the pedals, the transverse supporting rods are hinged to the other ends of the pedals, and the two ends of each transverse supporting rod are connected through the vertical connecting rods; the synchronous piece is hinged with the transverse mounting rod of the foot rest A through a snap fastener;
the snap fastener comprises a male fastener and a female fastener, the female fastener is provided with a limiting through groove, the bottom of the limiting through groove is semicircular, the width of the limiting through groove is equal to that of the male fastener, a semicircular through groove is formed in one surface, facing the female fastener, of the male fastener, and when the male fastener is sleeved in the female fastener, the groove bottom of the limiting through groove of the female fastener and the semicircular through groove of the male fastener are spliced to form a complete first round hole; through holes are formed in two side walls of the limiting through groove of the female buckle, the axis of each through hole is perpendicular to the axis of the first round hole and the side wall of the limiting through groove, holes corresponding to the through holes are formed in the male buckle, and when the male buckle is sleeved in the female buckle, the through holes in the female buckle are aligned with the holes in the male buckle to form second round holes; during assembly, the transverse mounting rod is limited in the second round hole, and the vertical connecting rod is limited in the first round hole.
2. The ladder as claimed in claim 1, wherein a bar groove is formed at the bottom of the end of the step connected to the lateral support bar, and the lateral support bar is disposed in the bar groove.
3. The multi-layer folding ladder as claimed in claim 2, wherein a yielding opening is opened at one end of the pedals close to the transverse supporting rod, the yielding opening gives way to the transverse supporting rod, and the pedals at two ends of the yielding opening are connected with the transverse supporting rod through the rod groove.
4. The ladder as claimed in claim 1, wherein the female buckle has a support surface at an end thereof adjacent to the step plate for supporting the step plate, and a bottom end of the step plate abuts against the support surface when the step plate is unfolded to a horizontal position.
5. The multi-layer folding ladder as claimed in claim 1, wherein the foot rest B is provided with an installation groove corresponding to the installation position of the foot rest A, and the end part of the foot rest A is inserted into the installation groove and hinged in the installation groove.
6. The multi-layer folding ladder as claimed in claim 1, wherein a pedal support rod is disposed at an end of the foot rest B corresponding to each pedal, a rod groove corresponding to the pedal support plate is disposed at an end of the pedal close to the foot rest B, and the pedal support rod is limited in the rod groove.
7. The ladder as claimed in claim 1, wherein the side walls of the limiting through grooves of the female buckle are provided with a groove having a uniform contour, and the female buckle and the male buckle are mutually limited by the groove and the limiting through groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920506527.XU CN210067946U (en) | 2019-04-15 | 2019-04-15 | Multilayer folding ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920506527.XU CN210067946U (en) | 2019-04-15 | 2019-04-15 | Multilayer folding ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210067946U true CN210067946U (en) | 2020-02-14 |
Family
ID=69436983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920506527.XU Active CN210067946U (en) | 2019-04-15 | 2019-04-15 | Multilayer folding ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210067946U (en) |
-
2019
- 2019-04-15 CN CN201920506527.XU patent/CN210067946U/en active Active
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