CN216305805U - Foldable climbing mechanism and vehicle with same - Google Patents

Abstract

The utility model provides a foldable climbing mechanism and a vehicle with the same, and the foldable climbing mechanism comprises a first folding part (10), a second folding part (20) and a guardrail assembly (30). The guardrail assembly (30) is connected with at least one of the first folding part (10) and the second folding part (20), the guardrail assembly (30) is provided with a third opening position and a third containing position, and when the guardrail assembly (30) is positioned at the third opening position, the guardrail assembly (30) is positioned at the outer side of at least one of the first pedal assembly (13) and the second pedal assembly (23). Folded cascade climbing mechanism adopts tertiary folding setting, can dwindle the volume after folded cascade climbing mechanism accomodates effectively for folded cascade climbing mechanism portable more, the security that folded cascade climbing mechanism has also been improved effectively to the guardrail subassembly simultaneously. By adopting the technical scheme, the problem that the foldable climbing mechanism in the prior art is inconvenient to carry is effectively solved.

Description

Foldable climbing mechanism and vehicle with same

Technical Field

The utility model relates to the technical field of climbing equipment, in particular to a foldable climbing mechanism and a vehicle with the same.

Background

The volume of stair is often only reduced through the mode of folding footboard to current folded cascade stair to considering the portability of folded cascade stair, not setting up the guardrail usually, consequently, have certain safe risk when current folded cascade stair use, the volume after folding is also not little enough, and a new security performance is good to urgent need, folding smaller folding stair after the volume.

In some specific scenes, folded cascade stair can play very big effect, like this based on the P3 nucleic acid laboratory that the container freight train repacking formed, the vertical distance of laboratory entry and ground exceeds 1 meter, do not rely on tools such as stair, personnel can't pass in and out the laboratory, the technical scheme of this application has at first solved the problem that medical personnel passed in and out P3 nucleic acid laboratory to simple structure, occupation space is littleer, easily carries and carries.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a foldable climbing mechanism and a vehicle with the same, and aims to solve the problem that the foldable climbing mechanism in the prior art is inconvenient to carry.

In order to achieve the above object, according to one aspect of the present invention, there is provided a foldable climbing mechanism, characterized by comprising: the first folding part is provided with a hanging part at the first end and comprises first ladder column assemblies, the hanging part is connected with the first ladder column assemblies, a first pedal assembly is arranged between the first ladder column assemblies, and the first pedal assembly is provided with a first working position and a first containing position; the second folding part comprises a second ladder column assembly, the first end of the second ladder column assembly is connected with the second end of the first ladder column assembly, the second end of the second ladder column assembly is abutted with the installation foundation, a second pedal assembly is arranged between the second ladder column assemblies, the second pedal assembly is provided with a second working position and a second accommodating position, the second end of the second ladder column assembly is provided with a first opening position far away from the first ladder column assembly, and the second end of the second ladder column assembly is provided with a first folding position which rotates around the connection position of the first end of the second ladder column assembly and the second end of the first ladder column assembly to be close to the first end of the first ladder column assembly; the guardrail assembly is connected with at least one of the first folding part and the second folding part, the guardrail assembly is provided with a third opening position and a third containing position, and when the guardrail assembly is located at the third opening position, the guardrail assembly is located on the outer side of at least one of the first pedal assembly and the second pedal assembly.

Further, the first ladder column assembly comprises: the first end of the first ladder column is connected with the hanging part, and the second end of the first ladder column is connected with the second ladder column assembly; the second ladder post is arranged opposite to the first ladder post, the first end of the second ladder post is connected with the hanging part, and the second end of the second ladder post is connected with the second ladder post assembly; first footboard subassembly is located between first ladder post and the second ladder post, and first end and the first ladder post movably of first footboard subassembly are connected, and the second end and the second ladder post movably of first footboard subassembly are connected.

Further, the first pedal assembly includes: the first end of the first pedal is rotatably connected with the first ladder column, and the second end of the first pedal is rotatably connected with the second ladder column.

Further, the first pedal is provided in plurality, and the first pedal assembly further includes: the first pedal connecting rod is rotatably connected with one end, close to the first ladder post, of each first pedal; the second pedal connecting rod is rotatably connected with one end, close to the second ladder post, of each first pedal, and the first pedals are located at a first working position and a first storage position simultaneously.

Further, the second ladder post assembly comprises: the first end of the third ladder post is connected with one end, far away from the hanging part, of the first ladder post, and the second end of the third ladder post is abutted to the mounting foundation; the first end of the fourth ladder post is connected with one end, far away from the hanging part, of the second ladder post, and the second end of the fourth ladder post is abutted to the mounting foundation; the second pedal assembly is located between the third ladder post and the fourth ladder post, the first end of the second pedal assembly is movably connected with the third ladder post, and the second end of the second pedal assembly is movably connected with the fourth ladder post.

Further, the second pedal assembly includes: and the first end of the second pedal is rotatably connected with the third ladder post, and the second end of the second pedal is rotatably connected with the fourth ladder post.

Further, a second pedal is provided in plurality, and the second pedal assembly further includes: the third pedal connecting rod is rotatably connected with one end of each second pedal close to the third ladder post; and the fourth pedal connecting rod is rotatably connected with one end of each second pedal close to the fourth ladder post, and the plurality of second pedals are simultaneously positioned at the second working position and the second storage position.

Furthermore, a first connecting lug is arranged at one end, away from the hanging part, of the first ladder column, and a second connecting lug is arranged at one end, away from the hanging part, of the second ladder column; a third connecting lug is arranged at one end of the third ladder post close to the first ladder post, and a fourth connecting lug is arranged at one end of the fourth ladder post close to the second ladder post; the first connecting lug is connected with the first connecting piece, the third connecting lug is connected with the first connecting piece, the second connecting lug is connected with the second connecting piece, and the fourth connecting lug is connected with the second connecting piece.

Further, the guardrail subassembly includes guardrail and coupling assembling, and coupling assembling includes: the first end of the first connecting cylinder is connected with the first ladder post; the first end of the first sleeve is connected with the second end of the first connecting cylinder, the second end of the first sleeve is provided with at least one first limiting bayonet, and the first sleeve is provided with a first accommodating space for accommodating part of the first connecting cylinder; the first end of the first spring is connected with the second end of the first sleeve, and part of the first spring is positioned in the first sleeve; the first end of the second connecting cylinder is connected with the second end of the first spring, part of the first spring is positioned in the second connecting cylinder, part of the second connecting cylinder is positioned in the first sleeve, the second connecting cylinder is slidably arranged relative to the first sleeve along the length direction of the first ladder post, and one end, close to the first spring, of the second connecting cylinder is provided with at least one first limiting bulge; the guardrail is connected with one of first sleeve and second connecting cylinder, and the power of exerting the default orientation along the axis direction guardrail of first sleeve or second connecting cylinder can make first spacing arch be located outside first spacing bayonet socket, cancels the power of exerting to the guardrail, and first spacing arch automatic re-setting is to first spacing bayonet socket in.

Further, the connection assembly further comprises: a first end of the second spring is connected with a second end of the second connecting cylinder, and part of the second spring is positioned in the second connecting cylinder; the first end of the third sleeve is connected with the second end of the second spring, part of the second spring is located in the third sleeve, part of the second connecting cylinder is located in the third sleeve, the third sleeve is provided with a second accommodating space for accommodating part of the second connecting cylinder, the second connecting cylinder is slidably arranged relative to the third sleeve along the length direction of the first ladder column, and one end, far away from the second spring, of the third sleeve is provided with at least one second limiting bayonet; the first end of the fourth connecting cylinder is connected with the second end of the third sleeve, the second end of the fourth connecting cylinder is connected with the first ladder column, and the first end of the fourth connecting cylinder is provided with at least one second limiting bulge; the guardrail is connected with one of third sleeve and second connecting cylinder, and the force of exerting the predetermined direction along the axis direction guardrail of third sleeve or second connecting cylinder can make the spacing arch of second be located outside the spacing bayonet socket of second, cancels the power of exerting to the guardrail, and first spacing arch automatic re-setting is to the spacing bayonet socket of second in.

Further, one of the first ladder column assembly and the second ladder column assembly is provided with at least one guardrail, and each guardrail is correspondingly provided with one connecting assembly.

Further, when first spacing arch was located outside first spacing bayonet socket, the operation guardrail can be located the third and accomodate the position after rotating the preset angle around the axis of first sleeve or second connecting cylinder.

Further, the hitching part comprises a first hook and a second hook, the first ladder post is connected with the first hook, and the second ladder post is connected with the second hook.

Further, be provided with a plurality of first spacing roof beams between first ladder post and the second ladder post, first spacing roof beam sets up with first footboard one-to-one, rotates first predetermined angle after with first spacing roof beam butt when first footboard, and/or, is provided with a plurality of second spacing roof beams between third ladder post and the fourth ladder post, and the second spacing roof beam sets up with the second footboard one-to-one, rotates second predetermined angle after with the spacing roof beam butt of second.

According to another aspect of the utility model, a vehicle is provided, which comprises a foldable climbing mechanism, wherein the foldable climbing mechanism is the foldable climbing mechanism.

By applying the technical scheme of the utility model, the foldable climbing mechanism is provided with a first ladder column component and a second ladder column component, a first pedal component is arranged between the first ladder column components, a second pedal component is arranged between the second ladder column components, the guardrail component is provided with a third opening position and a third accommodating position, the first-stage folding of the foldable climbing mechanism can be realized by folding the first pedal component and the second pedal component, the second-stage folding of the foldable climbing mechanism can be realized by controlling the guardrail component to be positioned at the third accommodating position, and the third-stage folding of the foldable climbing mechanism can be realized by controlling the second ladder column component to be positioned at the first folding position, the foldable climbing mechanism adopts a three-stage folding arrangement, the volume of the foldable climbing mechanism after being accommodated can be effectively reduced, so that the foldable climbing mechanism is more convenient to carry, meanwhile, the safety of the foldable climbing mechanism is effectively improved by the guardrail component. By adopting the technical scheme, the foldable climbing mechanism has the advantages that the size of the foldable climbing mechanism after being folded is reduced while the safety performance of the foldable climbing mechanism is improved by arranging the guardrail component, and the problem that the portability of the foldable climbing mechanism in the prior art is not high is effectively solved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

fig. 1 shows a schematic structural view of a first embodiment of a foldable climbing mechanism according to the utility model;

fig. 2 shows a schematic structural view of a second embodiment of a foldable climbing mechanism according to the utility model;

fig. 3 shows a schematic structural view of a third embodiment of a foldable climbing mechanism according to the utility model;

fig. 4 shows a schematic structural view of a fourth embodiment of a foldable climbing mechanism according to the utility model;

figure 5 illustrates a schematic structural view of an embodiment of a guardrail assembly of a collapsible climbing mechanism according to the present invention.

Wherein the figures include the following reference numerals:

10. a first folding member; 11. a first ladder column; 111. a first connecting lug; 112. a first hook; 121. a second connecting lug; 122. a second hook; 12. a second ladder post; 13. a first pedal assembly; 131. a first pedal; 132. a first pedal link; 133. a second pedal link;

20. a second folding member; 21. a third ladder column; 211. a third connecting lug; 22. a fourth ladder column; 221. a fourth connecting lug; 23. a second pedal assembly; 231. a second pedal; 232. a third pedal link; 233. a fourth pedal link;

30. a guardrail assembly; 31. a first connecting cylinder; 32. a first sleeve; 321. a first limit bayonet; 33. a first spring; 34. a second connecting cylinder; 341. a first limit protrusion; 35. a guardrail; 36. a second spring; 37. a third sleeve; 371. a second limit bayonet; 38. a fourth connecting cylinder; 381. a second limit bulge;

40. a first connecting member;

50. a second connecting member;

60. a first limit beam;

70. and a second limit beam.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

Referring to fig. 1 to 5, according to an embodiment of the present application, a foldable climbing mechanism is provided.

The foldable climbing mechanism comprises a first folding part 10, a second folding part 20 and a guardrail component 30. The first end of the first folding member 10 has a hanging portion. The first folding member 10 comprises a first ladder column assembly. The hanging part is connected with the first ladder column assembly. A first step assembly 13 is provided between the first ladder leg assemblies. First pedal assembly 13 has a first operating position and a first stowed position. The second folding member 20 comprises a second ladder post assembly. The first end of the second ladder column assembly is connected to the second end of the first ladder column assembly. The second end of the second ladder column assembly abuts the mounting base. A second step assembly 23 is provided between the second ladder leg assemblies. The second pedal assembly 23 has a second operating position and a second storage position. The second end of the second ladder column assembly has a first open position distal from the first ladder column assembly and the second end of the second ladder column assembly has a first folded position rotated about the junction of the first end of the second ladder column assembly and the second end of the first ladder column assembly to a position proximate the first end of the first ladder column assembly. The barrier assembly 30 is connected to at least one of the first folding member 10 and the second folding member 20. The guardrail assembly 30 has a third open position and a third stowed position. When the guardrail assembly 30 is in the third open position, the guardrail assembly 30 is positioned outboard of at least one of the first and second pedal assemblies 13, 23.

By applying the technical scheme of the utility model, the foldable climbing mechanism is provided with a first ladder column component and a second ladder column component, a first pedal component 13 is arranged between the first ladder column components, a second pedal component 23 is arranged between the second ladder column components, the guardrail component 30 is provided with a third opening position and a third accommodating position, the first-stage folding of the foldable climbing mechanism can be realized by folding the first pedal component 13 and the second pedal component 23, the second-stage folding of the foldable climbing mechanism can be realized by controlling the guardrail component 30 to be positioned at the third accommodating position, and the third-stage folding of the foldable climbing mechanism can be realized by controlling the second ladder column component to be positioned at the first folding position, the foldable climbing mechanism adopts a three-stage folding arrangement, the volume of the accommodated foldable climbing mechanism can be effectively reduced, so that the foldable climbing mechanism is more convenient to carry, while the guardrail assembly 30 also effectively enhances the safety of the collapsible climbing mechanism. By adopting the technical scheme of the application, the guardrail component 30 is arranged to improve the safety performance of the foldable climbing mechanism, and meanwhile, the size of the foldable climbing mechanism after being folded is reduced, and the problem that the portability of the foldable climbing mechanism in the prior art is not high is effectively solved.

As shown in fig. 1, the first ladder post assembly comprises a first ladder post 11, a second ladder post 12. The first end of the first ladder column 11 is connected with the hanging part. The second end of the first ladder column 11 is connected to the second ladder column assembly. The second ladder post 12 is disposed opposite the first ladder post 11. The first end and the portion of hanging of second ladder post 12 are connected, and the second end and the second ladder post subassembly of second ladder post 12 are connected. The first step assembly 13 is located between the first ladder column 11 and the second ladder column 12. A first end of the first step assembly 13 is movably connected to the first ladder post 11 and a second end of the first step assembly 13 is movably connected to the second ladder post 12. The arrangement makes the first ladder column assembly and the second ladder column assembly simple in structure, and meanwhile, the first pedal assembly 13 forms a stable supporting mechanism. First pedal assembly 13 may be provided as a hollowed-out steel plate.

As shown in fig. 1 and 2, the first step assembly 13 includes a first step 131. A first end of the first step 131 is rotatably connected to the first ladder column 11 and a second end of the first step 131 is rotatably connected to the second ladder column 12. The arrangement enables the first pedal 131 to rotate relative to the first ladder post assembly to be folded, reduces the volume of the climbing mechanism after the climbing mechanism is stored, and improves the practicability of the climbing mechanism.

Further, the first step 131 is plurally provided. The first pedal assembly 13 further includes a first pedal link 132, a second pedal link 133. A first pedal link 132 is rotatably connected to an end of each first pedal 131 adjacent the first ladder column 11. A second step link 133 is pivotally connected to an end of each first step 131 adjacent the second ladder column 12. The plurality of first steps 131 are simultaneously located at the first working position and the first storage position. As shown in fig. 1, the number of the first pedals 131 is 3, and the first pedal connecting rod 132 and the second pedal connecting rod 133 can ensure that each first pedal 131 is synchronously located at the first working position and the first storage position, and meanwhile, each first pedal is fixed and supported, so that the structural strength of the first pedal assembly 13 is improved.

In particular, the second ladder post assembly comprises a third ladder post 21, a fourth ladder post 22. The first end of the third ladder column 21 is connected with the end of the first ladder column 11 far away from the hanging part. The second end of the third ladder column 21 abuts the mounting base. The fourth ladder post 22 is disposed opposite the third ladder post 21. The first end of the fourth ladder column 22 is connected with the end of the second ladder column 12 remote from the hanging part. The second end of the fourth ladder column 22 abuts the mounting base. The second step assembly 23 is located between the third ladder post 21 and the fourth ladder post 22, and a first end of the second step assembly 23 is movably connected with the third ladder post 21. A second end of the second step assembly 23 is movably connected to the fourth ladder column 22. The arrangement makes the first ladder column assembly and the second ladder column assembly simple in structure, and meanwhile, the second pedal assembly 23 forms a stable supporting mechanism. The second pedal assembly 23 may be provided as a hollowed-out steel plate.

The second pedal assembly 23 includes a second pedal 231. A first end of the second tread 231 is rotatably connected to the third ladder column 21. A second end of the second tread 231 is rotatably connected to the fourth ladder post 22. The second step 231 can be rotated relative to the second ladder post assembly to be folded by the arrangement, so that the size of the climbing mechanism is reduced, and the practicability of the climbing mechanism is improved.

Specifically, the second pedal 231 is provided in plurality, and the second pedal assembly 23 further includes a third pedal link 232 and a fourth pedal link 233. A third pedal link 232 is rotatably connected to an end of each second pedal 231 adjacent the third ladder column 21. The fourth step link 233 is rotatably connected to one end of each second step 231 adjacent to the fourth ladder column 22. The plurality of second pedals 231 are simultaneously located at the second working position and the second storage position. As shown in fig. 1, the number of the second pedals 231 is 3, and the third pedal link 232 and the fourth pedal link 233 can ensure that each second pedal 231 is synchronously located at the first working position and the first storage position, and provide fixing and supporting for each first pedal, thereby improving the structural strength of the second pedal assembly 23.

As shown in fig. 1 and 4, one end of the first ladder column 11 remote from the hitching section is provided with a first connecting lug 111. One end of the second ladder post 12, which is far away from the hanging part, is provided with a second connecting lug 121. The third ladder post 21 is provided with a third connecting lug 211 at an end thereof adjacent to the first ladder post 11. The end of the fourth ladder column 22 near the second ladder column 12 is provided with a fourth connecting lug 221. Wherein the first connecting lug 111 is connected with the first connecting piece 40. The third coupling lug 211 is coupled to the first coupling member 40. The second coupling lug 121 is coupled to the second coupling member 50. The fourth connecting lugs 221 are connected to the second connector 50. The arrangement is such that the first ladder leg 11 and the third ladder leg 21 are mutually rotated by the first joint 40, the third ladder leg 21 and the fourth ladder leg 22 are mutually rotated by the second joint 50, and the rotations of the two joints are synchronized. The first and second connectors 40 and 50 may be a double-folded bolt assembly including a bolt, a nut, an elastic pad, and a flat pad.

As shown in fig. 5, the guard rail assembly 30 includes a guard rail 35 and a connection assembly including a first connection cylinder 31, a first sleeve 32, a first spring 33, and a second connection cylinder 34. A first end of the first connecting cylinder 31 is connected to the first ladder column 11. The first end of the first sleeve 32 is connected to the second end of the first connecting cylinder 31. The second end of the first sleeve 32 is provided with at least one first limiting bayonet 321. The first sleeve 32 has a first receiving space to receive a part of the first connecting cylinder 31. A first end of the first spring 33 is connected to a second end of the first sleeve 32. A portion of the first spring 33 is located within the first sleeve 32. A first end of the second connector barrel 34 is connected to a second end of the first spring 33. Part of the first spring 33 is located within the second connector barrel 34. A portion of the second connector barrel 34 is located within the first sleeve 32. The second connector barrel 34 is slidably disposed relative to the first sleeve barrel 32 along the length of the first ladder column 11. One end of the second connecting cylinder 34 near the first spring 33 is provided with at least one first limit projection 341. The guard rail 35 is connected to one of the first sleeve 32 and the second connecting cylinder 34, and the first stopper protrusion 341 is located outside the first stopper notch 321 by applying a force in a predetermined direction to the guard rail 35 along the axial direction of the first sleeve 32 or the second connecting cylinder 34. The first stopper protrusion 341 is automatically restored into the first stopper locking notch 321 by canceling the force applied to the guard rail 35. The arrangement is such that the guardrail assembly 30 is simple in construction and easy to operate by a user. The guardrail assembly 30 has a third opening position and a third folding storage position when the guardrail assembly is at the working position, so that the size of the climbing mechanism after being folded can be effectively reduced, the safety performance of the climbing mechanism during working is greatly improved by the guardrail assembly 30, and the guardrail assembly 30 can be arranged into one or more. The first spring 33 can function to automatically reset and lock the current state.

The connection assembly further comprises a second spring 36, a third sleeve 37, a fourth connector barrel 38. A first end of the second spring 36 is connected to a second end of the second connector barrel 34. A portion of the second spring 36 is located within the second connector barrel 34. A first end of the third sleeve 37 is connected to a second end of the second spring 36, and a portion of the second spring 36 is located within the third sleeve 37. A portion of the second connector barrel 34 is located within the third sleeve 37. The third sleeve 37 has a second receiving space which receives a part of the second connector barrel 34. The second connector barrel 34 is slidably disposed relative to the third sleeve 37 along the length of the first ladder column 11. One end of the third sleeve 37 far away from the second spring 36 is provided with at least one second limiting bayonet 371. A first end of the fourth connector barrel 38 is connected to a second end of the third sleeve 37. The second end of the fourth connector barrel 38 is connected to the first ladder post 11. The first end of the fourth connecting cylinder 38 is provided with at least one second limit projection 381. The guard rail 35 is connected to one of the third sleeve 37 and the second connector barrel 34. The force in the preset direction is applied to the guard bar 35 along the axial direction of the third sleeve 37 or the second connecting cylinder 34, so that the second limiting protrusion 381 is positioned outside the second limiting bayonet 371, the force applied to the guard bar 35 is cancelled, and the first limiting protrusion 341 automatically resets to the second limiting bayonet 371. The guardrail assembly 30 has a third opening position and a third folding storage position when the guardrail assembly is at the working position, so that the size of the climbing mechanism after being folded can be effectively reduced, the safety performance of the climbing mechanism during working is greatly improved by the guardrail assembly 30, and the guardrail assembly 30 can be arranged into one or more. The second spring 36 can function to automatically reset and lock the current state.

Further, one of the first ladder column assembly and the second ladder column assembly is provided with at least one guardrail 35, and each guardrail 35 is correspondingly provided with one connecting assembly. This arrangement may further enhance the safety of the climbing mechanism.

When the first limit protrusion 341 is located outside the first limit bayonet 321, the operation guardrail 35 can rotate around the axis of the first sleeve 32 or the second connecting cylinder 34 by a preset angle and then be located at the third storage position. The arrangement is simple to operate and has the function of automatic resetting.

Preferably, the hooking part includes a first hook 112 and a second hook 122, and the first ladder post 11 is connected with the first hook 112. The second ladder post 12 is connected to a second hook 122. The arrangement is such that the climbing mechanism has good connection stability with the installation base, which may be the floor of a vehicle or the wall of a house.

As shown in fig. 1 and 2, a plurality of first stopper beams 60 are provided between the first ladder column 11 and the second ladder column 12. The first stopper beams 60 are provided in one-to-one correspondence with the first steps 131. When the first pedal 131 rotates by a first preset angle, it abuts against the first limiting beam 60. A plurality of second stop beams 70 are provided between the third ladder column 21 and the fourth ladder column 22. The second limit beams 70 are provided in one-to-one correspondence with the second steps 231. When the second pedal 231 rotates by a second predetermined angle, it abuts against the second limiting beam 70. The first stopper beam 60 can function to stop the rotational stroke of the first step 131, and the second stopper beam 70 can function to stop the rotational stroke of the second step 231. This arrangement prevents the first step 131 and the second step 231 from being rotated too much and affecting the volume of the folded climbing mechanism.

The foldable climbing mechanism in the present application may also be used in the technical field of vehicles, that is, according to another aspect of the present application, a vehicle is provided, which includes the foldable climbing mechanism in the above embodiments.

One end of the third ladder post 21 close to the second mounting base is provided with a first anti-skid rubber sleeve, and one end of the fourth ladder post 22 close to the second mounting base is provided with a second anti-skid rubber sleeve. The size of the space occupied by the foldable climbing mechanism is 1160mm 810mm 300 mm.

By adopting the technical scheme, the three-stage folding structure is adopted, the portability of the climbing mechanism is effectively improved, the guardrail component 30 and the anti-skidding rubber sleeve are added, and the safety of the climbing mechanism is obviously improved. The foldable climbing mechanism has a simple structure, occupies a smaller space and is convenient to carry.

Further, the mutual rotation between the first pedal 131 and the first and second pedal links 132 and 133 may be realized by means of a rotating shaft and a rotating shaft bolt, and the mutual rotation between the second pedal 231 and the third and fourth pedal links 232 and 233 may be realized by means of a rotating shaft and a rotating shaft bolt. The mutual rotation between the first step 131 and the first and second ladder posts 11 and 12 can be realized by means of a rotating shaft and a rotating shaft bolt, and the mutual rotation between the second step 231 and the third and fourth ladder posts 21 and 22 can be realized by means of a rotating shaft and a rotating shaft bolt.

The first connecting cylinder 31 is arranged to be connected with a curved beam, the first sleeve 32 is a rotary sleeve, and the second connecting cylinder 34 is connected with a straight beam.

By applying the technical scheme of the utility model, the upper ends of the first ladder post 11 and the second ladder post 12 are connected with the hanging part, the inner sides of the first ladder post 11 and the second ladder post 12 are welded with three first limiting beams 60, and three rotating shafts are arranged and used for driving the first pedal 131 to rotate. The upper surfaces of the first ladder post 11 and the second ladder post 12 are respectively welded with a guardrail assembly 30, and the lower ends are respectively welded with a connecting lug. The lower extreme of third ladder post 21, fourth ladder post 22 overlaps respectively in an anti-skidding cover, and three second limit beam 70 of inboard welded connection of third ladder post 21, fourth ladder post 22 to three pivots of marking time of installation, the pivot is used for driving second footboard 231 and rotates, and guardrail component 30 is welded respectively to the upper surface of third ladder post 21, fourth ladder post 22, and two connection lugs are welded respectively to the upper end of third ladder post 21, fourth ladder post 22. The two sides of the three rotating shafts between the first ladder post 11 and the second ladder post 12 are respectively connected with a first pedal connecting rod 132 and a second pedal connecting rod 133 to form a first pedal assembly 13, and the first pedal assembly is fixed on the first ladder post 11 and the second ladder post 12 through the three pedal rotating shafts. The two sides of three second pedals 231 between the third ladder post 21 and the fourth ladder post 22 are respectively connected with a third pedal connecting rod 232 and a fourth pedal connecting rod 233 to form a second pedal assembly 23, and the second pedal assembly 23 is fixed on the third ladder post 21 and the fourth ladder post 22 through three sets of rotating shaft assemblies. The two fourth connecting lugs 221 and the first connecting lug 111 form a rotating fulcrum through a climbing mechanism doubling bolt, and the first ladder post 11 and the third ladder post 21 are doubled through the rotating fulcrum.

As shown in fig. 3, when the climbing mechanism is in the first-stage folded state, the single first step 131 is applied with an external force and rotates counterclockwise around the rotation shaft, and the first step link 132 and the second step link 133 drive the remaining two first steps 131 to move synchronously until the first step 131 contacts with the first limiting beam 60 to reach the first-stage folded limit state.

As shown in fig. 4, the climbing mechanism is in a second-stage folded state, when the guard rail assembly 30 is in a second-stage folded working state, the guard rail 35 receives an upward pushing force, the first sleeve 32 and the third sleeve 37 are separated from the limitation of the first limiting protrusion 341 and the second limiting protrusion 381, the limitation of the rotational degree of freedom is removed, the guard rail 35 rotates 90 degrees towards the center of the climbing mechanism, the first limiting bayonet 321 and the second limiting bayonet 371 on the first sleeve 32 and the third sleeve 37 are respectively aligned with the first limiting protrusion 341 and the second limiting protrusion 381, the external force on the guard rail 35 is removed, under the action of the second spring 36 and the first spring 33, the first limiting bayonet 321 and the second limiting bayonet 371 on the first sleeve 32 and the third sleeve 37 are respectively and completely engaged with the first limiting protrusion 341 and the second limiting protrusion 381, and the guard rail 35 is locked. As shown in fig. 5, when the climbing mechanism is in the three-stage folded state, the third ladder leg 21 and the fourth ladder leg 22 are rotated by 180 degrees counterclockwise around the axis of the connection between the first end of the second ladder leg assembly and the second end of the first ladder leg assembly under the action of external force.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition to the foregoing, it should be noted that reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally throughout this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the utility model to effect such feature, structure, or characteristic in connection with other embodiments.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

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 (15)

1. A collapsible climbing mechanism, comprising:

the folding device comprises a first folding part (10), wherein a hanging part is arranged at the first end of the first folding part (10), the first folding part (10) comprises first ladder column assemblies, the hanging part is connected with the first ladder column assemblies, a first pedal assembly (13) is arranged between the first ladder column assemblies, and the first pedal assembly (13) is provided with a first working position and a first containing position;

a second folding member (20), the second folding member (20) comprising a second ladder column assembly, a first end of the second ladder column assembly being connected to a second end of the first ladder column assembly, a second end of the second ladder column assembly abutting against a mounting base, a second pedal assembly (23) being disposed between the second ladder column assemblies, the second pedal assembly (23) having a second working position and a second storage position, the second end of the second ladder column assembly having a first open position away from the first ladder column assembly, and the second end of the second ladder column assembly having a first folded position rotated about a connection of the first end of the second ladder column assembly and the second end of the first ladder column assembly to a position proximate to the first end of the first ladder column assembly;

a guardrail assembly (30), the guardrail assembly (30) being connected with at least one of the first folding member (10) and the second folding member (20), the guardrail assembly (30) having a third open position and a third stowed position, the guardrail assembly (30) being located outside of at least one of the first pedal assembly (13) and the second pedal assembly (23) when the guardrail assembly (30) is located in the third open position.

2. The collapsible climbing mechanism of claim 1, wherein the first ladder post assembly comprises:

the first end of the first ladder column (11) is connected with the hanging part, and the second end of the first ladder column (11) is connected with the second ladder column assembly;

the second ladder post (12) is arranged opposite to the first ladder post (11), the first end of the second ladder post (12) is connected with the hanging part, and the second end of the second ladder post (12) is connected with the second ladder post assembly;

first footboard subassembly (13) are located first ladder post (11) with between second ladder post (12), the first end of first footboard subassembly (13) with first ladder post (11) movably connects, the second end of first footboard subassembly (13) with second ladder post (12) movably connects.

3. Foldable climbing mechanism according to claim 2, characterized in that the first pedal assembly (13) comprises:

a first step (131), a first end of the first step (131) being rotatably connected with the first ladder post (11), a second end of the first step (131) being rotatably connected with the second ladder post (12).

4. Foldable climbing mechanism according to claim 3, wherein the first pedal (131) is provided in plurality, the first pedal assembly (13) further comprising:

a first pedal connecting rod (132), wherein the first pedal connecting rod (132) is rotatably connected with one end of each first pedal (131) close to the first ladder column (11);

and the second pedal connecting rod (133) is rotatably connected with one end, close to the second ladder column (12), of each first pedal (131), and the first pedals (131) are simultaneously positioned at the first working position and the first storage position.

5. The collapsible climbing mechanism of claim 3, wherein the second ladder post assembly comprises:

the first end of the third ladder post (21) is connected with one end, far away from the hanging part, of the first ladder post (11), and the second end of the third ladder post (21) is abutted to the mounting foundation;

the fourth ladder post (22) is arranged opposite to the third ladder post (21), the first end of the fourth ladder post (22) is connected with one end, far away from the hanging part, of the second ladder post (12), and the second end of the fourth ladder post (22) is abutted to the mounting foundation;

the second pedal assembly (23) is located between the third ladder post (21) and the fourth ladder post (22), the first end of the second pedal assembly (23) is movably connected with the third ladder post (21), and the second end of the second pedal assembly (23) is movably connected with the fourth ladder post (22).

6. Foldable climbing mechanism according to claim 5, characterized in that the second pedal assembly (23) comprises:

a second pedal (231), a first end of the second pedal (231) being rotatably connected with the third ladder post (21), and a second end of the second pedal (231) being rotatably connected with the fourth ladder post (22).

7. Foldable climbing mechanism according to claim 6, wherein the second pedals (231) are provided in plurality, the second pedal assembly (23) further comprising:

a third pedal link (232), the third pedal link (232) being rotatably connected to one end of each second pedal (231) adjacent to the third ladder column (21);

a fourth pedal link (233), wherein the fourth pedal link (233) is rotatably connected to one end of each of the second pedals (231) near the fourth ladder column (22), and the plurality of second pedals (231) are simultaneously located at the second working position and the second storage position.

8. Foldable climbing mechanism according to claim 5,

a first connecting lug (111) is arranged at one end, away from the hanging part, of the first ladder column (11), and a second connecting lug (121) is arranged at one end, away from the hanging part, of the second ladder column (12);

a third connecting lug (211) is arranged at one end, close to the first ladder post (11), of the third ladder post (21), and a fourth connecting lug (221) is arranged at one end, close to the second ladder post (12), of the fourth ladder post (22);

the first connecting lug (111) is connected with a first connecting piece (40), the third connecting lug (211) is connected with the first connecting piece (40), the second connecting lug (121) is connected with a second connecting piece (50), and the fourth connecting lug (221) is connected with the second connecting piece (50).

9. The collapsible climbing mechanism according to claim 2, wherein the guardrail assembly (30) comprises a guardrail (35) and a connection assembly comprising:

a first connecting cylinder (31), a first end of the first connecting cylinder (31) is connected with the first ladder post (11);

a first sleeve (32), wherein a first end of the first sleeve (32) is connected with a second end of the first connecting cylinder (31), the second end of the first sleeve (32) is provided with at least one first limiting bayonet (321), and the first sleeve (32) is provided with a first accommodating space for accommodating a part of the first connecting cylinder (31);

a first spring (33), a first end of the first spring (33) being connected to a second end of the first sleeve (32), a portion of the first spring (33) being located within the first sleeve (32);

a second connecting cylinder (34), a first end of the second connecting cylinder (34) is connected with a second end of the first spring (33), part of the first spring (33) is located in the second connecting cylinder (34), part of the second connecting cylinder (34) is located in the first sleeve (32), the second connecting cylinder (34) is slidably arranged relative to the first sleeve (32) along the length direction of the first ladder column (11), and one end, close to the first spring (33), of the second connecting cylinder (34) is provided with at least one first limiting protrusion (341);

the guardrail (35) is connected with one of the first sleeve (32) and the second connecting cylinder (34), the guardrail (35) applies force in a preset direction along the axial direction of the first sleeve (32) or the second connecting cylinder (34) to enable the first limiting bulge (341) to be located outside the first limiting bayonet (321), the force applied to the guardrail (35) is cancelled, and the first limiting bulge (341) automatically resets to the inside of the first limiting bayonet (321).

10. The collapsible climbing mechanism of claim 9, wherein the linkage assembly further comprises:

a second spring (36), a first end of said second spring (36) being connected to a second end of said second connector barrel (34), a portion of said second spring (36) being located within said second connector barrel (34);

a third sleeve (37), a first end of the third sleeve (37) is connected with a second end of the second spring (36), a part of the second spring (36) is located in the third sleeve (37), a part of the second connecting cylinder (34) is located in the third sleeve (37), the third sleeve (37) is provided with a second accommodating space for accommodating a part of the second connecting cylinder (34), the second connecting cylinder (34) is slidably arranged relative to the third sleeve (37) along the length direction of the first ladder column (11), and one end of the third sleeve (37) far away from the second spring (36) is provided with at least one second limiting bayonet (371);

a fourth connecting cylinder (38), wherein a first end of the fourth connecting cylinder (38) is connected with a second end of the third sleeve (37), a second end of the fourth connecting cylinder (38) is connected with the first ladder column (11), and a first end of the fourth connecting cylinder (38) is provided with at least one second limiting protrusion (381);

the guardrail (35) is connected with one of the third sleeve (37) and the second connecting cylinder (34), the force in the preset direction is applied to the guardrail (35) along the axial direction of the third sleeve (37) or the second connecting cylinder (34) to enable the second limit bulge (381) to be located outside the second limit bayonet (371), the force applied to the guardrail (35) is cancelled, and the first limit bulge (341) automatically resets to the inside of the second limit bayonet (371).

11. Foldable climbing mechanism according to claim 9, wherein one of the first and second ladder post assemblies is provided with at least one of the guardrails (35), one of the connection assemblies being provided for each guardrail (35).

12. Foldable climbing mechanism according to claim 9,

when the first limit bulge (341) is positioned outside the first limit bayonet (321), the guardrail (35) can be operated to rotate around the axis of the first sleeve (32) or the second connecting cylinder (34) by a preset angle and then is positioned at the third storage position.

13. Foldable climbing mechanism according to claim 2, wherein the hooking part comprises a first hook (112) and a second hook (122), the first ladder post (11) being connected to the first hook (112), the second ladder post (12) being connected to the second hook (122).

14. Foldable climbing mechanism according to claim 6, wherein a plurality of first limiting beams (60) are arranged between the first ladder leg (11) and the second ladder leg (12), wherein the first limiting beams (60) are arranged in a one-to-one correspondence with the first step (131) and abut against the first limiting beams (60) when the first step (131) is rotated by a first predetermined angle, and/or wherein a plurality of second limiting beams (70) are arranged between the third ladder leg (21) and the fourth ladder leg (22), wherein the second limiting beams (70) are arranged in a one-to-one correspondence with the second step (231) and abut against the second limiting beams (70) when the second step (231) is rotated by a second predetermined angle.

15. A vehicle comprising a foldable climbing mechanism, wherein the foldable climbing mechanism is the foldable climbing mechanism of any one of claims 1 to 14.

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