CN215255996U - Combined platform ladder - Google Patents
Combined platform ladder Download PDFInfo
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- CN215255996U CN215255996U CN202022465561.2U CN202022465561U CN215255996U CN 215255996 U CN215255996 U CN 215255996U CN 202022465561 U CN202022465561 U CN 202022465561U CN 215255996 U CN215255996 U CN 215255996U
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Abstract
The utility model provides a combined platform ladder, relating to the field of ladders which can become platforms, comprising a first ladder unit, a second ladder unit, a third ladder unit, a fourth ladder unit and a ladder working platform which can be combined with the ladder units, wherein the ladder units and the ladder units are connected by hinges to form a ladder which can be transformed into a platform; the strengthening rib adopts the mode of mould suppression to form, not only can improve platform bulk strength, reduces and bears the deflection, can also satisfy other countries to the requirement of platform body rigidity, still supplements the skid resistance in addition, plays better anti-skidding effect. The size of the horizontal stepping roller between the bottom surface of the platform body and the bottom edge of the holding hook is equal, so that the platform is attached more tightly and prevented from shaking. The movable bolt plays a role in locking by being inserted into the through hole in the original design, and the platform body is limited to move rightwards.
Description
Technical Field
The present case belongs to the ladder class that can become the platform in the ladder field, relates to and installs the ladder that can stability and intensity on the ladder.
Background
Landing ladders are widely used with their good performance, however, they are problematic.
The ladder work platform of the known Chinese patent CN201110127586 can meet daily work, but the ladder face strength is insufficient, deformation occurs easily in the use process, the thickness of the ladder face is increased, the overall quality of the device is improved, and negative effects are brought. The working process of the platform is unstable, so that potential safety hazards are brought. And a relatively complex manner of longitudinal movement for the platform.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the defects existing in the prior art are overcome, and a novel multifunctional electric kettle is provided
The utility model discloses a realize through following technical scheme:
the ladder comprises a first ladder unit, a second ladder unit, a third ladder unit, a fourth ladder unit and a ladder working platform which can be combined with the ladder units, wherein the ladder units and the ladder units are connected by hinges to form a ladder which can be deformed into a platform; the ladder unit is provided with a first ladder frame and a second ladder frame which are parallel to each other, a transverse stepping roller for forming a step is arranged between the first ladder frame and the second ladder frame, the ladder working platform is provided with a platform body, the platform body is provided with a first side wall and a second side wall, and the side walls are turned upwards to form an assembling seam allowance capable of being combined with the ladder unit; the limiting side is arranged on one side of the platform body and is positioned between the first side and the second side of the platform body; the limiting side is convenient for mounting and dismounting the platform body,
the platform body has many vertical bellied strengthening ribs, vertical evenly distributed a plurality of through-holes in the middle of per two strengthening ribs, and the through-hole can hold the activity and tie and can guarantee that it reciprocates, and the through-hole ring week sets up the arch.
The platform body is formed by pressing a flat plate through a die, and the rigidity strength of the platform body is ensured under the condition that the material thickness of the platform body is not changed.
The two ends of the movable bolt are respectively provided with a bolt cap part and a bolt bottom stop part for limiting the movable bolt to be separated, the through hole is provided with a bolt collecting concave part, and the bolt collecting concave part is provided with a concave depth for accommodating the movable bolt bottom stop part; the diameter of the plug storage recess is smaller than the width of the first wall of the transverse step roller of the ladder unit,
set up first armful of hook and second armful of hook on the platform body, should embrace the hook and stand group, armful hook end group and armful hook guiding edge by mutually perpendicular's armful hook and constitute, place back between first ladder frame and second ladder frame as the platform body, violently step on the roller and slide in completely and embrace the hook.
The ladder unit assembly comprises a first ladder unit and a second ladder unit, wherein the first ladder unit is arranged at one end of a combined platform ladder, the second ladder unit is arranged at the other end of the combined platform ladder, one or two or three ladder units are assembled between the first ladder unit and the second ladder unit, and the ladder unit is used for mounting the ladder working platform; the hinge is provided with a positioning locking structure; the open ends of the first ladder unit and the second ladder unit are provided with landing ladder feet.
The size A between the first side wall and the second side wall is slightly larger than the width A' of the platform body (1), so that the movement of the platform body (1) in the Y-axis direction is effectively limited.
The size B between the bottom surface of the platform body and the bottom edge of the holding hook is equal to the size B' of the transverse treading roller, so that the movement of the platform body in the Z-axis direction is limited, the sizes of the two are equal, the platform can be attached more tightly, the shaking is prevented,
the size C between the movable bolt and the clasping vertical upper is equal to the size C' between two surfaces which are farthest away from the two transverse treading rollers, and the movement of the platform in the X-axis direction is limited.
The position of the first through hole closest to the limiting side is set to meet the following conditions: after violently stepping on the roller and slipping into the armful hook completely, step on the roller with first through-hole edge basic coincidence nearest violently away from spacing group, first through-hole is located spacing group and first violently steps on between the roller for the activity bolt inserts first through-hole and plays locking effect, restriction platform body drunkenness right.
The utility model has the advantages that: 1. the strengthening rib adopts the mode of mould suppression to form, not only can improve platform bulk strength, reduces and bears the deflection, can also satisfy other countries to the requirement of platform body rigidity, still supplements the skid resistance in addition, plays better anti-skidding effect.
2. The size of the horizontal stepping roller between the bottom surface of the platform body and the bottom edge of the holding hook is equal, so that the platform is attached more tightly and prevented from shaking.
3. The movable bolt plays a role in locking by being inserted into the through hole in the original design, and the platform body is limited to move rightwards.
Drawings
Fig. 1 shows a block diagram according to an embodiment of the invention.
Fig. 2 shows a schematic top view of an embodiment according to the present invention.
Fig. 3 shows a schematic structural diagram of a platform body according to an embodiment of the present invention.
Fig. 4 shows a partial enlarged view of an embodiment according to the invention.
Fig. 5 shows another structural schematic diagram of a platform body according to the present invention.
Fig. 6 shows a schematic view of a mounting structure of a platform body according to the present invention.
Fig. 7 shows a schematic front view structure diagram according to an embodiment of the present invention.
In the figure: 1. a platform body; 1-1, a first ladder unit; 1-2, a second ladder unit; 1-3, a third ladder unit; 1-4, a fourth ladder unit; 111. a first side wall; 112. a second side wall; 1-8, transverse treading rollers; 1-8-1, a first cross tread roller; 12. a limiting upper; 13. a movable bolt; 131. a cap part is bolted; 132. a stopper bottom portion; 14. a through hole; 141. a first through hole; 142: a plug storage recess; 151. a first holding hook; 152. a second holding hook; 1501. clasping and erecting the upper; 1502. a hook-holding bottom upper; 1503. a hook guide edge; 16. reinforcing ribs; 17. a platform body bottom surface; 18. a protrusion; 2. a hinge; 3. a first ladder frame; 4. a second ladder frame.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
As shown in the figure, the utility model discloses a combined platform ladder, which comprises a first ladder unit 1-1, a second ladder unit 1-2, a third ladder unit 1-3, a fourth ladder unit 1-4 and a ladder working platform which can be combined with the ladder units, wherein the ladder units and the ladder units are connected by hinges 2 to form a ladder which can be transformed into a platform; the ladder unit is provided with a first ladder frame 3 and a second ladder frame 4 which are parallel to each other, transverse stepping rollers 1-8 for forming steps are arranged between the first ladder frame 3 and the second ladder frame 4, the ladder working platform is provided with a platform body 1, the platform body 1 is provided with a first side wall 111 and a second side wall 112, and the side walls are turned upwards to form assembling seam allowances which can be combined with the ladder unit; the limiting upper 12 is arranged on one side of the platform body 1 and is positioned between a first side upper 111 and a second side upper 112 of the platform body 1; the limiting side 12 is convenient for mounting and dismounting the platform body 1.
The strengthening rib adopts the mode of mould suppression to form, not only can improve platform bulk strength, reduces and bears the deflection, can also satisfy other countries to the rigid requirement of platform body 1, still supplements the skid resistance in addition, plays better anti-skidding effect.
The movable bolt 13 has a bolt cap portion 131 and a bolt bottom stop portion 132 at both ends thereof, respectively, for restricting the movable bolt 13 from being removed. A bolt storing concave part is arranged at the through hole 14, and the bolt storing concave part has a concave depth for storing the bottom stop part of the movable bolt 13; the diameter of the plug storage recess is smaller than the width of the first wall of the cross rollers 1-8 of the ladder unit.
The platform body 1 is provided with a first holding hook and a second holding hook, and the holding hooks are composed of a holding hook standing side, a holding hook bottom side and a holding hook guide side which are perpendicular to each other. After the platform body 1 is placed between the first ladder frame 3 and the second ladder frame 4, the cross stepping rollers 1-8 completely slide into the clasps.
The ladder comprises a first ladder unit 1-1 arranged at one end of a combined platform ladder, a second ladder unit 1-2 arranged at the other end of the combined platform ladder, one or two or three ladder units assembled between the first ladder unit 1-1 and the second ladder unit 1-2, and a ladder working platform arranged on the ladder units; the hinge 2 is provided with a positioning locking structure; the open ends of the first ladder unit 1-1 and the second ladder unit 1-2 are provided with landing ladder legs.
The dimension A between the first side wall (111) and the second side wall (112) is preferably equal to the width dimension A' of the platform body (1), so that the movement of the platform body (1) in the Y-axis direction is effectively limited. However, the zero clearance is difficult to achieve due to errors in actual machining, and the zero clearance also increases much cost. Therefore, the dimension A is slightly larger than the dimension A', and the movement of the platform body (1) in the Y-axis direction is limited to the maximum extent after the actual processing is finished.
The size B between the bottom surface 17 of the platform body and the clasping bottom upper is equal to the size B' of the cross treading rollers 1-8, so that the movement of the platform body in the Z-axis direction is limited. The two sizes are equal, so that the platform can be attached more tightly, and shaking is prevented.
The dimension C between the movable bolt 13 and the clasping vertical upper is equal to the dimension C' between two surfaces which are farthest away from the two transverse treading rollers 1-8, and the movement of the platform in the X-axis direction is limited.
The hook clasps the X-axis dimension D and the dimensions D ', D ' and D ' to be matched, so that the platform is convenient to mount and dismount.
Among the plurality of through holes 14, the position of the first through hole 141 closest to the position-limiting upper 12 satisfies the following conditions: after the transverse pedal rollers 1-8 completely slide into the clasps, the first transverse pedal roller 1-8-1 closest to the limiting side 12 is basically overlapped with the edge of the first through hole 141, and the first through hole 141 is positioned between the limiting side 12 and the first transverse pedal roller 1-8-1, so that the movable bolt 13 is inserted into the first through hole 141 to play a role in locking, and the platform body 1 is limited from moving rightwards.
The utility model has the advantages that:
1. the strengthening rib adopts the mode of mould suppression to form, not only can improve platform bulk strength, reduces and bears the deflection, can also satisfy other countries to the requirement of platform body rigidity, still supplements the skid resistance in addition, plays better anti-skidding effect.
2. The size of the horizontal stepping roller between the bottom surface of the platform body and the bottom edge of the holding hook is equal, so that the platform is attached more tightly and prevented from shaking.
3. The movable bolt plays a role in locking by being inserted into the through hole in the original design, and the platform body is limited to move rightwards.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A combined platform ladder is characterized by comprising a first ladder unit (1-1), a second ladder unit (1-2), a third ladder unit (1-3), a fourth ladder unit (1-4) and a ladder working platform which can be combined with the ladder units, wherein the ladder units and the ladder units are connected by hinges (2) to form a ladder which can be deformed into a platform; the ladder unit is provided with a first ladder frame (3) and a second ladder frame (4) which are parallel to each other, transverse stepping rollers (1-8) for forming a ladder are installed between the first ladder frame (3) and the second ladder frame (4), the ladder working platform is provided with a platform body (1), the platform body (1) is provided with a first side wall (111) and a second side wall (112), and the side walls are turned upwards to form an assembling seam allowance capable of being combined with the ladder unit; the limiting side (12) is arranged on one side of the platform body (1) and is positioned between the first side (111) and the second side (112) of the platform body (1); the limiting side (12) is convenient for mounting and dismounting the platform body (1),
platform body (1) has many vertical bellied strengthening ribs, vertical evenly distributed a plurality of through-holes (14) in the middle of per two strengthening ribs, and through-hole (14) can hold activity bolt (13) and can guarantee that it reciprocates, and through-hole (14) ring week sets up arch (18).
2. The combination landing ladder of claim 1, wherein: the platform body (1) is formed by pressing a flat plate through a die, and the rigidity strength of the platform body (1) is ensured under the condition that the material thickness of the platform body is not changed.
3. The combination landing ladder of claim 2, wherein: the two ends of the movable bolt (13) are respectively provided with a bolt cap part (131) and a bolt bottom stop part (132) for limiting the movable bolt (13) to be separated, the through hole (14) is provided with a bolt collecting concave part, and the bolt collecting concave part is provided with a concave depth for collecting the bottom stop part of the movable bolt (13); the diameter of the plug storage recess is smaller than the width of the first wall of the cross step roller (1-8) of the ladder unit,
set up first armful of hook and second armful of hook on platform body (1), should embrace the hook and stand group, armful hook end group and embrace the hook guide edge by mutually perpendicular's armful hook and constitute, after platform body (1) was placed between first ladder frame (3) and second ladder frame (4), violently step on roller (1-8) and slide in completely and embrace the hook.
4. The combination landing ladder of claim 2, wherein: a first ladder unit (1-1) arranged at one end of the combined platform ladder, a second ladder unit (1-2) arranged at the other end of the combined platform ladder, one or two or three ladder units assembled between the first ladder unit (1-1) and the second ladder unit (1-2), and the ladder unit by which the ladder working platform is installed; the hinge (2) is provided with a positioning locking structure; the open ends of the first ladder unit (1-1) and the second ladder unit (1-2) are provided with landing ladder feet.
5. The combination landing ladder of claim 2, wherein: the dimension A between the first side wall (111) and the second side wall (112) is slightly larger than the width dimension A' of the platform body (1), so that the movement of the platform body (1) in the Y-axis direction is effectively limited,
the size B between the bottom surface (17) of the platform body and the clasping hook bottom wall is equal to the size B' of the transverse treading rollers (1-8), so that the movement of the platform body in the Z-axis direction is limited, the sizes of the two are equal, the platform can be attached more tightly, the shaking is prevented,
the size C between the movable bolt (13) and the clasping vertical upper is equal to the size C' between two surfaces which are farthest away from the two transverse treading rollers (1-8), and the movement of the platform in the X-axis direction is limited.
6. The combination landing ladder of claim 2, wherein: the position of a first through hole (141) closest to the limiting side (12) meets the following conditions: after the transverse treading rollers (1-8) completely slide into the clasping hook, the first transverse treading roller (1-8-1) closest to the limiting upper (12) is basically overlapped with the edge of the first through hole (141), and the first through hole (141) is positioned between the limiting upper (12) and the first transverse treading roller (1-8-1), so that the movable bolt (13) is inserted into the first through hole (141) to play a role in locking, and the platform body (1) is limited to move rightwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022465561.2U CN215255996U (en) | 2020-10-30 | 2020-10-30 | Combined platform ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022465561.2U CN215255996U (en) | 2020-10-30 | 2020-10-30 | Combined platform ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215255996U true CN215255996U (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022465561.2U Active CN215255996U (en) | 2020-10-30 | 2020-10-30 | Combined platform ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215255996U (en) |
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2020
- 2020-10-30 CN CN202022465561.2U patent/CN215255996U/en active Active
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