CN214169703U

CN214169703U - Foldable stair

Info

Publication number: CN214169703U
Application number: CN202023337195.9U
Authority: CN
Inventors: 郑俊卿
Original assignee: Xinxiang Longyujia Stair Processing Co ltd
Current assignee: Xinxiang Longyujia Stair Processing Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-09-10
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a collapsible stair belongs to stair technical field, including folding ladder body and supporting platform, supporting platform is connected with the upper end of folding ladder body, and supporting platform includes the backup pad, folding support frame and first guardrail, and the backup pad level sets up and corresponding with the upper end of folding ladder body, and folding support frame sets up in the bottom side of backup pad, and folding support frame's upper end is articulated with the bottom side of backup pad, and first guardrail sets up and extends in the one end on the width direction of backup pad and towards, and the lower extreme of first guardrail is articulated with the backup pad, and first guardrail still is connected with the upper end of folding ladder body. The structure is simple, the use is convenient, and when the stair is used, the stair is unfolded so as to facilitate people to go up and down; when not using, folding ladder body and supporting platform can fold for stair occupation space is little, does not influence the use of space on every side.

Description

Foldable stair

Technical Field

The utility model belongs to the technical field of the stair, concretely relates to collapsible stair.

Background

The stair is widely used in life, and the stair has the effects that people can go up and down on two platforms with different heights, particularly in places such as families, shops, warehouses, fire fighting passageways and elevator inspection shafts with small space, the existing stair cannot be folded, the space around the ladder can be occupied, and the use of the space around the ladder is greatly influenced.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide a collapsible stair, its simple structure, convenient to use, the above-mentioned problem of improvement that can be better.

The embodiment of the utility model is realized like this:

an embodiment of the utility model provides a collapsible stair, including folding ladder body and supporting platform, supporting platform with the upper end of folding ladder body is connected, supporting platform includes backup pad, folding support frame and first guardrail, the backup pad level set up and with the upper end of folding ladder body is corresponding, folding support frame set up in the bottom side of backup pad, folding support frame's upper end with the bottom side of backup pad is articulated, first guardrail set up in the ascending one end of width direction of backup pad and extend towards upward, the lower extreme of first guardrail with the backup pad is articulated, first guardrail still with the upper end of folding ladder body is connected.

Optionally, the folding support frame includes mount, bracing piece and slider, the vertical setting of mount, the upper end of mount with keeping away from of backup pad the one end of first guardrail is articulated, being close to of mount one side of first guardrail is equipped with the guide rail, the guide rail extends along vertical direction, the slider slide set up in on the guide rail, the one end of bracing piece with the slider is articulated, the other end of bracing piece with being close to of backup pad the one end of first guardrail is articulated.

Optionally, a first gas spring is arranged on the lower side of the supporting plate, one end of the first gas spring is hinged to the bottom side of the supporting plate, and the other end of the first gas spring is hinged to the fixing frame.

Optionally, the number of the guide rails is two, the two guide rails are arranged in parallel and spaced apart from each other, and the number of the support rods is the same as that of the guide rails and corresponds to that of the guide rails.

Optionally, the one end of backup pad keeping away from the folding ladder body is equipped with the second guardrail, the second guardrail includes pole setting and horizontal pole, the pole setting set up in the backup pad keep away from the one end of first guardrail, the one end of horizontal pole with the pole setting is articulated, the other end of horizontal pole with first guardrail is articulated.

Optionally, a foldable handrail is arranged on one side of the foldable ladder body, the foldable handrail and the first guardrail are located on the same side of the foldable ladder body, the foldable handrail includes a holding rod, a first supporting piece, a second supporting piece and a third supporting piece, one end of the first supporting piece is hinged to the holding rod, the other end of the first supporting piece is hinged to the foldable ladder body, one end of the second supporting piece is hinged to the holding rod, the other end of the second supporting piece is hinged to the foldable ladder body, the first supporting piece and the second supporting piece are distributed in parallel at intervals, one end of the third supporting piece is hinged to the upper end of the second supporting piece, the other end of the third supporting piece is hinged to the foldable ladder body, and the third supporting piece and the second supporting piece form a herringbone structure.

Optionally, the third supporting piece comprises a first connecting section and a second connecting section, one end of the first connecting section is hinged to one end of the second connecting section, the other end of the first connecting section is hinged to the upper end of the second supporting piece, and the other end of the second connecting section is hinged to the folding ladder body.

Optionally, the folding ladder body includes first ladder frame, second ladder frame and footboard, first ladder frame with the second ladder frame sets up at the interval side by side, the footboard set up in first ladder frame with between the second ladder frame, the both ends of footboard respectively with first ladder frame with the second ladder frame is articulated, the quantity of footboard is the polylith, the polylith the footboard is followed the parallel interval distribution of length direction of first ladder frame.

Optionally, a second gas spring is arranged at the bottom side of at least one pedal, one end of the second gas spring is hinged to the pedal, and the other end of the second gas spring is hinged to the first ladder frame.

The utility model has the advantages that:

the foldable stair provided by the embodiment of the utility model has simple structure and convenient use, the first ladder frame and the fixed frame are fixed in the same plane, thereby better ensuring the stability of the stair, and the stair is unfolded during use, so that people can go up and down; when not using, folding ladder body and supporting platform can fold for stair occupation space is little, does not influence the use of space on every side.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a view angle of an unfolded state of the foldable staircase according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of another view angle of the foldable stairway in the unfolded state according to the embodiment of the present invention;

fig. 3 is a schematic view of a foldable staircase provided by an embodiment of the present invention in a folded state;

in the figure: 10-a folding ladder body; 11-a first ladder frame; 12-a second ladder rack; 13-a pedal; 14-a second gas spring; 20-a support platform; 21-a support plate; 22-folding support frame; 221-a fixing frame; 222-a support bar; 223-a slider; 224-a guide rail; 23-a first guardrail; 24-a first gas spring; 25-a second guardrail; 251-erecting a rod; 252-a cross-bar; 30-folding handrails; 31-a handrail; 32-a first support; 33-a second support; 34-a third support; 341-first connection segment; 342-a second connecting section.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper" and "lower" indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the product of the present invention is usually placed when in use, or the position or positional relationship that a person skilled in the art conventionally understands, and it is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element that is referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, 2 and 3, the present invention provides a foldable staircase, which includes a folding ladder body 10 and a support platform 20.

The folding ladder body 10 includes a first ladder frame 11, a second ladder frame 12, and a step 13.

The first ladder frame 11 and the second ladder frame 12 may be frame structures or plate structures; the first ladder frame 11 and the second ladder frame 12 may be made of metal by welding or may be made of wood. In this embodiment, the first ladder frame 11 and the second ladder frame 12 are made of wood plates into strip-shaped structures.

The pedal 13 may be made of metal or a wood plate. In this embodiment, the step plate 13 is made of a wooden plate.

First ladder frame 11 with second ladder frame 12 sets up at interval side by side, and footboard 13 sets up between first ladder frame 11 and second ladder frame 12, and the both ends of footboard 13 pass through hinge connection with first ladder frame 11 and second ladder frame 12 respectively, and the quantity of footboard 13 is the polylith, and polylith footboard 13 is along the parallel interval distribution of length direction of first ladder frame 11.

A second gas spring 14 is arranged at the bottom side of the pedal 13, one end of the second gas spring 14 is hinged with the bottom side of the pedal 13, the other end of the second gas spring 14 is hinged with the first ladder frame 11, and the arrangement of the second gas spring 14 plays a role in buffering or boosting the folding or unfolding of the folding ladder body 10. One, two, or more than two second gas springs 14 may be provided, and when the number of second gas springs 14 is two or more, a plurality of gas springs are respectively provided at the bottom sides of different pedals 13. In the present embodiment, second gas spring 14 is one in number, and is provided near the bottom side of pedal 13 at a middle position.

When the first ladder frame 11 is fixed, the second ladder frame 12 and the pedals 13 can be folded towards the first ladder frame 11, at the moment, the pedals 13 are erected, and the second ladder frame 12 is close to the plane of the first ladder frame 11.

The upper side of the second ladder frame 12 is provided with a folding handrail 30, and the folding handrail 30 includes a handrail 31, a first support 32, a second support 33, and a third support 34.

One end of the first supporting piece 32 is hinged to the handrail 31, the other end of the first supporting piece 32 is hinged to the second ladder frame 12, one end of the second supporting piece 33 is hinged to the handrail 31, the other end of the second supporting piece 33 is hinged to the second ladder frame 12, the first supporting piece 32 and the second supporting piece 33 are distributed in parallel at intervals, and the handrail 31, the first supporting piece 32, the second supporting piece 33 and the second ladder frame 12 form a parallelogram in a surrounding mode.

The third supporting member 34 includes a first connection section 341 and a second connection section 342, one end of the first connection section 341 is hinged to one end of the second connection section 342, the other end of the first connection section 341 is hinged to the upper end of the second supporting member 33, and the other end of the second connection section 342 is hinged to the second ladder frame 12. When the folded handrail 30 is in the unfolded state, the first connection section 341 and the second connection section 342 are positioned on the same line, and the third support member 34 and the second support member 33 form a herringbone structure.

The folding ladder body 10 and the folding handrail 30 can be folded to reduce the occupied space.

The support platform 20 is connected with the upper end of the folding ladder body 10, and the support platform 20 comprises a support plate 21, a folding support frame 22 and a first guardrail 23.

The support plate 21 is horizontally disposed and corresponds to the upper end of the ladder body 10, and the folding support frame 22 is located at the lower side of the support plate 21.

The folding support frame 22 comprises a fixing frame 221, a support rod 222 and a sliding block 223, the fixing frame 221 is vertically arranged and is located in the same plane with the first ladder frame 11, the upper end of the fixing frame 221 is hinged to one end, close to the first ladder frame 11, of the support plate 21, a guide rail 224 is arranged on one side, close to the second ladder frame 12, of the fixing frame 221, the guide rail 224 extends in the vertical direction, the number of the guide rails 224 is two, the two guide rails 224 are parallelly distributed side by side at intervals, and certainly, the number of the guide rails 224 can also be three or more.

The sliding blocks 223 are slidably disposed on the guide rails 224, one end of the supporting rod 222 is hinged to the sliding blocks 223, the other end of the supporting rod 222 is hinged to one end of the supporting plate 21 close to the second ladder frame 12, and the number of the supporting rods 222 is the same as that of the guide rails 224 and corresponds to that of the guide rails 224.

When the folding support frame 22 is folded, the sliding block 223 slides upwards along the guide rail 224 under the driving of the support rod 222.

The lower side of the support plate 21 is further provided with a first air spring 24, one end of the first air spring 24 is hinged with the bottom side of the support plate 21, and the other end of the first air spring 24 is hinged with the fixing frame 221. The provision of the first gas spring 24 serves to cushion or assist in the folding or unfolding of the support platform 20.

First guardrail 23 sets up in the one end that is close to second ladder frame 12 of backup pad 21 and extends towards the top, and the lower extreme of first guardrail 23 is articulated with backup pad 21, first guardrail 23 still with the upper end fixed connection of second ladder frame 12. In this embodiment, the first guard rail 23 has an inverted U-shaped structure.

One end of the support plate 21 far away from the folding ladder body 10 is provided with a second guardrail 25, the second guardrail 25 comprises a vertical rod 251 and a cross rod 252, the vertical rod 251 is arranged at one end of the support plate 21 far away from the first guardrail 23 and extends upwards, the lower end of the vertical rod 251 is hinged with the support plate 21, one end of the cross rod 252 is hinged with the upper end of the vertical rod 251, and the other end of the cross rod 252 is hinged with the first guardrail 23.

The first guard rail 23 and the second guard rail 25 enclose an L-shaped structure.

The embodiment of the utility model provides a collapsible stair's theory of operation as follows:

when the foldable stair is in an unfolded state, the pedals 13 and the supporting plate 21 are parallel to the ground, the first guardrail 23 blocks one side of the supporting plate 21, which is far away from the building opening, the second guardrail 25 blocks one side of the supporting plate 21, which is far away from the foldable stair body 10, and the first guardrail 23 and the second guardrail 25 better ensure the safety of the supporting platform 20.

The folding ladder body 10 and the supporting platform 20 can be folded by pushing the folding handrail 30 or the second ladder frame 12, when the folding ladder is in a folding state, the handrail 31 is closer to the second ladder frame 12, the pedals 13 and the supporting plate 21 are both rotated to a vertical state, the second ladder frame 12 and the first guardrail 23 are closer to a plane where the first ladder frame 11 is located, and at the moment, the occupied space of the folding ladder is small, and the use of the surrounding space cannot be influenced.

The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.

Claims

1. A collapsible stair, its characterized in that: including folding ladder body and supporting platform, supporting platform with the upper end of folding ladder body is connected, supporting platform includes backup pad, folding support frame and first guardrail, the backup pad level set up and with the upper end of folding ladder body is corresponding, folding support frame set up in the bottom side of backup pad, folding support frame's upper end with the bottom side of backup pad is articulated, first guardrail set up in one end on the width direction of backup pad and upwards extending, the lower extreme of first guardrail with the backup pad is articulated, first guardrail still with the upper end of folding ladder body is connected.

2. The collapsible stairway as claimed in claim 1, wherein: the folding support frame comprises a fixing frame, a support rod and a sliding block, wherein the fixing frame is vertically arranged, the upper end of the fixing frame is far away from the support plate, one end of the first guardrail is hinged, the fixing frame is close to one side of the first guardrail, a guide rail is arranged on the guide rail, the guide rail extends along the vertical direction, the sliding block is slidably arranged on the guide rail, one end of the support rod is hinged to the sliding block, and the other end of the support rod is close to the support plate, and one end of the first guardrail is hinged to one end of the support plate.

3. The collapsible stairway as claimed in claim 2, wherein: the lower side of the supporting plate is provided with a first gas spring, one end of the first gas spring is hinged with the bottom side of the supporting plate, and the other end of the first gas spring is hinged with the fixing frame.

4. The collapsible stairway as claimed in claim 2, wherein: the quantity of guide rail is two, two the guide rail is parallel side by side interval distribution, the quantity of bracing piece with the same and the one-to-one of quantity of guide rail.

5. The collapsible stairway as claimed in claim 1, wherein: the backup pad keep away from the one end of folding ladder body is equipped with the second guardrail, the second guardrail includes pole setting and horizontal pole, the pole setting set up in keeping away from of backup pad the one end of first guardrail, the one end of horizontal pole with the pole setting is articulated, the other end of horizontal pole with first guardrail is articulated.

6. The collapsible stairway as claimed in claim 1, wherein: one side of the folding ladder body is provided with a folding handrail, the folding handrail and the first guardrail are positioned on the same side of the folding ladder body, the folding handrail comprises a holding rod, a first supporting piece, a second supporting piece and a third supporting piece, one end of the first supporting piece is hinged to the holding rod, the other end of the first supporting piece is hinged to the folding ladder body, one end of the second supporting piece is hinged to the holding rod, the other end of the second supporting piece is hinged to the folding ladder body, the first supporting piece and the second supporting piece are distributed in a parallel and spaced mode, one end of the third supporting piece is hinged to the upper end of the second supporting piece, the other end of the third supporting piece is hinged to the folding ladder body, and the third supporting piece and the second supporting piece form a herringbone structure.

7. The collapsible stairway as claimed in claim 6, wherein: the third support piece includes first linkage segment and second linkage segment, the one end of first linkage segment with the one end of second linkage segment is articulated, the other end of first linkage segment with the upper end of second support piece is articulated, the other end of second linkage segment with the folding ladder body is articulated.

8. The collapsible stairway as claimed in claim 1, wherein: the folding ladder body includes first ladder frame, second ladder frame and footboard, first ladder frame with the second ladder frame sets up at the interval side by side, the footboard set up in first ladder frame with between the second ladder frame, the both ends of footboard respectively with first ladder frame with the second ladder frame is articulated, the quantity of footboard is the polylith, the polylith the footboard is followed the parallel interval distribution of length direction of first ladder frame.

9. The collapsible stairway as claimed in claim 8, wherein: and a second gas spring is arranged at the bottom side of at least one pedal, one end of the second gas spring is hinged with the pedal, and the other end of the second gas spring is hinged with the first ladder frame.