CN212271448U - Shock-absorbing structure for flat-step stairs - Google Patents

Abstract

The utility model discloses a damping structure for flat-step stairs, which comprises a stair, a lifting mechanism and a lifting platform; the surface of the lifting platform is provided with a damping mechanism, the damping mechanism comprises a lower bottom block and an upper cover box, the surface of the lower bottom block is provided with a row of first springs and first positioning columns, a row of second springs and second positioning columns, a row of third springs and third positioning columns, and the opposite surfaces of the upper cover box and the first positioning columns, the second positioning columns and the third positioning columns are provided with a row of limiting columns; when going upstairs and downstairs, the effort that the elevating platform received has reduced the effort that the elevating platform received through first spring, second spring, third spring buffering, has reduced elevating system and has received different effort and the probability of breaking down, has increased the shock attenuation nature of elevating platform.

Description

Shock-absorbing structure for flat-step stairs

Technical Field

The utility model belongs to the technical field of the building construction, concretely relates to shock-absorbing structure is used to flat-step stair.

Background

The stair is one of the necessary components of a building, and is not suitable for a high-rise building, because old, weak, sick and disabled people usually climb to about 4 floors, the legs and feet of the old, weak, sick and disabled people can have uncomfortable reactions such as sourness, and the body of the general healthy people can not adapt to the situation when the general healthy people climb to about 10 floors.

The elevator equipped by modern high-rise buildings really effectively solves the problem of common stairs, and brings great convenience for people to go upstairs and downstairs, but the elevator has the conditions of overweight, weightlessness and the like, and the elevator is low in transportation efficiency due to limited number of people accommodated, and is not convenient enough to use in some special time periods (such as rush hours), so that the problem that legs of upstairs and downstairs are sour and soft when the building is built with the flat stairway (201610095865. the patent of the X application number).

When the existing flat-step stair is used, the problem that the lifting mechanism is prone to being broken down due to the fact that acting force applied to the lifting platform is uneven exists, and therefore a damping structure for the flat-step stair is provided, so that people can use the flat-step stair (the flat-step stair of the application No. 201610095865. X) more optimally and comfortably.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a horizontal step is shock-absorbing structure for stair to the horizontal step stair that proposes in solving above-mentioned background art when using, the inhomogeneous problem that easily leads to elevating system to break down of effort that exists the elevating platform and receive.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a horizontal migration is shock-absorbing structure for stair, includes stair, elevating system, elevating platform, the surface of elevating platform is equipped with damper, damper includes bottom block, upper cover box down, the surface of bottom block is equipped with a first spring and first reference column, a second spring and second reference column, a third spring and third reference column down, the upper cover box all is equipped with a spacing post with first reference column, second reference column, third reference column opposition on the surface.

Preferably, the surface of the lower bottom block is provided with a row of first circular grooves, a row of second circular grooves and a row of third circular grooves, wherein the number of the row is thirty, the bottom ends of the first spring, the second spring and the third spring are respectively and correspondingly positioned in the first circular grooves, the second circular grooves and the third circular grooves, and the elastic forces of the first spring, the second spring and the third spring are sequentially halved.

Preferably, the first positioning column, the second positioning column and the third positioning column are all of a T-shaped structure, and the top ends of the first spring, the second spring and the third spring are respectively sleeved on the outer sides of the first positioning column, the second positioning column and the third positioning column.

Preferably, fourth circular grooves are formed in the tops of the first positioning column, the second positioning column and the third positioning column, and the limiting column is matched with the fourth circular grooves.

Preferably, thirty clamping grooves are formed in the opposite surfaces of the two sides of the upper cover box, thirty limiting blocks are formed in the surfaces of the two sides of the lower bottom block, which are opposite to each other, and the limiting blocks are matched with the clamping grooves.

Preferably, the bottom end and the top end of the stair are both provided with fixing rods, the tops of the two fixing rods are provided with handrails, the outer sides of the handrails are provided with sliding cylinders, and handles are arranged on the sliding cylinders.

Preferably, the handrail is in an inclined state, the top end and the bottom end of the handrail are in a horizontal state, the sliding cylinder is sleeved on the outer side of the handrail, the handle is rotatably connected with the sliding cylinder, a semicircular convex column is arranged on the inner surface of the sliding cylinder, a semicircular groove is formed in the surface of the inclined part of the handrail, and the convex column is matched with the groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the damper who designs, when going upstairs and downstairs, the effort that the elevating platform received has reduced the effort that the elevating platform received through first spring, second spring, third spring buffering, has reduced elevating mechanism and has received different effort and the probability of breaking down, has increased the shock attenuation nature of elevating platform.

2. Through the designed handholding rod, the sliding barrel and the handle, the handle is held by hands when going upstairs, the condition that people lose consciousness, shake and lean backward to cause falling and injury is avoided, and the safety of going upstairs is improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the lower bottom block of the present invention;

FIG. 3 is a schematic top view of the lower bottom block of the present invention;

FIG. 4 is a schematic cross-sectional view of the handrail of the present invention;

in the figure: 1. a staircase; 2. a lifting mechanism; 3. a lifting platform; 4. a damping mechanism; 5. fixing the rod; 6. a grab bar; 7. a slide cylinder; 8. a handle; 9. a lower bottom block; 10. an upper cover box; 11. a first positioning post; 12. a second positioning column; 13. a third positioning column; 14. a limiting column; 15. a limiting block; 16. a first spring; 17. a second spring; 18. and a third spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1 to 4, the present invention provides a technical solution: a shock-absorbing structure for a flat-step stair comprises a stair 1, a lifting mechanism 2 and a lifting platform 3, wherein the surface of the lifting platform 3 is provided with a shock-absorbing mechanism 4, the shock-absorbing mechanism 4 comprises a lower bottom block 9 and an upper cover box 10, the lower bottom block 9 and the upper cover box 10 are in sliding connection, the surface of the lower bottom block 9 is provided with a row of first springs 16 and first positioning posts 11, a row of second springs 17 and second positioning posts 12, a row of third springs 18 and third positioning posts 13, the opposite surfaces of the upper cover box 10, the first positioning posts 11, the second positioning posts 12 and the third positioning posts 13 are respectively provided with a row of limiting posts 14, when going upstairs and downstairs, the acting force applied to the lifting platform 3 is buffered through the first springs 16, the second springs 17 and the third springs 18, the acting force applied to the lifting platform 3 is reduced, the failure probability of the lifting mechanism 2 due to different acting forces is reduced, and the shock-absorbing performance of the lifting platform, the bottom and the top of stair 1 all are equipped with dead lever 5, and the top of two dead levers 5 is equipped with handrail 6, and the outside of handrail 6 is equipped with slide cartridge 7, is equipped with handle 8 on the slide cartridge 7.

In this embodiment, a row of first circular grooves, a row of second circular grooves, and a row of third circular grooves are formed in the surface of the lower bottom block 9, where one row is thirty, the bottom ends of the first spring 16, the second spring 17, and the third spring 18 are respectively and correspondingly located in the first circular groove, the second circular groove, and the third circular groove, the elastic forces of the first spring 16, the second spring 17, and the third spring 18 are sequentially halved, and the first spring 16 is close to the lateral position of the step on the stair 1, so that the maximum acting force applied to the lateral position of the step is buffered and weakened.

In this embodiment, the first positioning column 11, the second positioning column 12, and the third positioning column 13 are all of a "T" type structure, the top ends of the first spring 16, the second spring 17, and the third spring 18 are respectively sleeved on the outer sides of the first positioning column 11, the second positioning column 12, and the third positioning column 13, a fourth circular groove is formed at the top of the first positioning column 11, the second positioning column 12, and the third positioning column 13, and the limiting column 14 is matched with the fourth circular groove, so that the first positioning column 11, the second positioning column 12, and the third positioning column 13 are tightly connected with the upper cover box 10, and the first spring 16, the second spring 17, and the third spring 18 are convenient to contract and extend.

In this embodiment, thirty draw-in grooves have all been seted up on the opposite surface in upper cover box 10 both sides, and thirty stopper 15 have all been seted up on the surface that the piece 9 both sides carried on the back mutually to lower the bottom, and stopper 15 matches with the draw-in groove, and the piece 9 and the upper cover box 10 slip block connection just are connected closely to make lower the bottom.

In this embodiment, the handrail 6 is in an inclined state, the top end and the bottom end are in a horizontal state, the sliding cylinder 7 is sleeved on the outer side of the handrail 6, the handle 8 is rotatably connected with the sliding cylinder 7, a semicircular convex column is arranged on the inner surface of the sliding cylinder 7, a semicircular groove is formed in the surface of the inclined portion of the handrail 6, and the convex column is matched with the groove, so that the sliding cylinder 7 slides on the outer side of the handrail 6 along a set position.

The utility model discloses a theory of operation and use flow:

when the lifting mechanism 2 walks on a stair step, when a user goes upstairs, the heel firstly lands and falls on the position of the same side of the upper cover box 10 and the stair, the first positioning column 11 is acted by force and the first spring 16 is in a contraction state, the acting force of the side of the upper cover box 10 is large and is buffered by the first spring 16 with the maximum elastic force, in addition, when the user goes downstairs, the toe position firstly falls on the position of the same side of the upper cover box 10 and the stair, when the user goes upstairs and downstairs, the acting force of the lifting platform 3 is buffered by the first spring 16, the second spring 17 and the third spring 18, the acting force of the lifting platform 3 is reduced, the probability of failure caused by the different acting forces of the lifting mechanism 2 is reduced, and the shock absorption of the lifting platform 3 is increased;

in addition, when going upstairs, the handle 8 is held, the sliding barrel 7 and the handle 8 slide along the length direction of the handrail 6 along with the action of going upstairs, the handle 8 is held by hands when going upstairs, the condition that people lose consciousness and shake bodies and lean backward to cause falling injury is avoided, and the safety of going upstairs is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a flat step is shock-absorbing structure for stair, includes stair (1), elevating system (2), elevating platform (3), its characterized in that: the surface of elevating platform (3) is equipped with damper (4), damper (4) are including bottom block (9), upper cover box (10) down, the surface of bottom block (9) is equipped with a row of first spring (16) and first reference column (11), a row of second spring (17) and second reference column (12), a row of third spring (18) and third reference column (13) down, upper cover box (10) all are equipped with a row of spacing post (14) on the opposite surface of first reference column (11), second reference column (12), third reference column (13).

2. The shock-absorbing structure for flat-stepping stairs according to claim 1, wherein: the surface of the lower bottom block (9) is provided with a row of first circular grooves, a row of second circular grooves and a row of third circular grooves, wherein the number of the row is thirty, the bottom ends of the first spring (16), the second spring (17) and the third spring (18) are respectively and correspondingly positioned in the first circular grooves, the second circular grooves and the third circular grooves, and the elastic forces of the first spring (16), the second spring (17) and the third spring (18) are sequentially halved.

3. The shock-absorbing structure for flat-stepping stairs according to claim 1, wherein: the first positioning column (11), the second positioning column (12) and the third positioning column (13) are all of a T-shaped structure, and the top ends of the first spring (16), the second spring (17) and the third spring (18) are respectively sleeved on the outer sides of the first positioning column (11), the second positioning column (12) and the third positioning column (13).

4. The shock-absorbing structure for flat-stepping stairs according to claim 1, wherein: fourth circular grooves are formed in the tops of the first positioning column (11), the second positioning column (12) and the third positioning column (13), and the limiting column (14) is matched with the fourth circular grooves.

5. The shock-absorbing structure for flat-stepping stairs according to claim 1, wherein: thirty draw-in grooves have all been seted up on the opposite surface in upper cover box (10) both sides, thirty stopper (15) have all been seted up on the surface that lower bottom block (9) both sides were carried on the back mutually, stopper (15) and draw-in groove match.

6. The shock-absorbing structure for flat-stepping stairs according to claim 1, wherein: the stair are characterized in that fixing rods (5) are arranged at the bottom end and the top end of the stair (1), handrails (6) are arranged at the tops of the two fixing rods (5), sliding cylinders (7) are arranged on the outer sides of the handrails (6), and handles (8) are arranged on the sliding cylinders (7).

7. The shock-absorbing structure for flat-stepping stairs according to claim 6, wherein: the utility model discloses a handrail, including handrail (6), handle, slide cylinder (7), handle, semicircular recess has been seted up on the surface of handrail (6) rake, the top, bottom are the horizontality in slope state and, slide cylinder (7) cover is established in the outside of handrail (6), handle (8) rotate with slide cylinder (7) and are connected, the internal surface of slide cylinder (7) is equipped with semicircular projection, the projection matches with the recess.

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