CN220318980U - Telescopic step - Google Patents

Abstract

The utility model discloses a telescopic step, which is additionally provided with an elastic telescopic part and a locking fastener which are matched with each other, so that the step surface at the forefront end of a step body can be flexibly controlled to form a vertical surface or an inclined surface, and when all the step surfaces form the inclined surface, the whole telescopic step can form a slope which can enable a wheelchair to go up and down. The wheelchair is favorable for going up and down stairs, the problems that the disabled person sits on the wheelchair, and the step is laborious and difficult to go up are effectively solved, and the wheelchair is not only provided with the sliding rail assembly, but also provided with the telescopic step which can be conveniently stretched and stored, so that occupied space is saved, and the wheelchair is more convenient to store. The utility model has simple structure, low cost, good economic value and use value and is worth popularizing.

Description

Telescopic step

Technical Field

The utility model relates to the field of steps, in particular to a telescopic step.

Background

The steps are an indispensable tool in parks, scenic spots and hospitals, most of the existing steps are fixed, and people often use the steps in treating the height difference problem. The steps have the characteristics of beautiful form, beautiful rhythm, beautiful light and shadow, and the like, so the steps have very strong landscape effect, the beautiful steps are very easy to be attractive factors in space, the psychological demands of people on beauty are met, and the beautiful steps become a beautiful landscape in the city. At present, in order to meet various demands in modern building design, a plurality of steps which can be telescopically regulated are designed to replace fixed stairs, and the telescopic steps not only can save space, but also are attractive and elegant, so that people can travel and live more conveniently.

For example, chinese patent application number CN111021649a discloses a scalable adjustable stair, including main step and flexible step, the below of every level main step is equipped with one-level flexible step, be equipped with two guide rail grooves, first spacing hole and second spacing hole on the main step respectively, the guide rail groove sets up in the top of main step, first spacing hole and second spacing hole set up on the central line of main step, be equipped with movable sheave, fixed spring and round pin on the flexible step, movable sheave sets up in the below of flexible step, is located the guide rail groove, outside center department is equipped with the recess on the flexible step, fixed spring and pin connection set up in the recess edge, the upper edge of round pin is equipped with the thin slice, the thin slice is located the recess.

However, the applicant believes that the above related art has the following drawbacks:

(1) Although the height and width of a single stair step can be adjusted by the extension and retraction of the pedals, the overall size of the stair step is not changed, and a structure for accommodating the whole extension and retraction step is not provided.

(2) The structure for changing the steps into inclined planes is not arranged on the steps, so that devices such as wheelchairs and the like with wheels can go up and down stairs, and people with disabled legs in different degrees can be very inconvenient to pass the steps.

Disclosure of Invention

In order to overcome the defects that the telescopic steps in the prior art are inconvenient for disabled people to use and inconvenient to store so as to save space and the like, the utility model discloses the telescopic steps, wherein the steps and the inclined surface shapes can be flexibly changed and adjusted so as to adapt to different crowds, and particularly, the telescopic steps bring great convenience for the crowds with different degrees of disabled legs, are convenient for the wheelchair to retract up and down, and can save space.

In order to achieve the above purpose, the technical idea of the utility model is as follows:

(1) The elastic telescopic part and the locking fastener are designed to be matched with each other, so that the step surface at the forefront end of the step body can be flexibly controlled to form a vertical surface or an inclined surface, and when all the step surfaces form the inclined surface, the whole telescopic step can form a slope which can enable the wheelchair to go up and down.

(2) The sliding rail assembly is designed, so that the telescopic steps can be conveniently stretched and stored, occupied space is saved, and the telescopic steps are convenient to store.

In order to achieve the above purpose, the technical scheme adopted by the utility model for solving the technical problems is as follows:

the telescopic step comprises a step support and a step body, wherein sliding rail assemblies are arranged on the left side and the right side of the step support, cavities are formed in the front side of the step body, and elastic telescopic parts are arranged in the cavities; wherein,

the elastic telescopic part comprises an elastic telescopic rod, a rotating shaft and a rotating component, the upper end of the rotating component is rotationally connected with the rotating shaft, and the lower end of the rotating component is fixedly connected with the elastic telescopic rod;

the rotating part and the step body are opened and closed through a locking fastener.

Further, the rotating component comprises a rotating plate and a connecting plate, wherein the connecting plate is arranged at the lower end of the rotating plate, and the rotating plate and the connecting plate are connected in an inclined mode.

Further, the locking fastener comprises a locking buckle and a locking block, the locking block is arranged on the rotating plate, and the locking buckle is arranged on the outer side wall of the step body.

Further, the locking buckle comprises a fixed block and a buckle, and the buckle is rotationally connected with the fixed block.

Further, the sliding rail component comprises a sliding groove, a sliding roller and a connecting rod, one end of the connecting rod is connected with the step body, and the other end of the connecting rod is connected with the sliding roller.

Further, the rearmost end of the chute is provided with a clamping groove in a downward inclined mode.

The beneficial effects of the utility model are as follows:

(1) Through the mutual cooperation of elastic expansion portion and locking fastener for the preceding terminal surface of step body can be nimble control, forms perpendicular or inclined plane, and when forming the inclined plane, whole device will form the slope, makes things convenient for the wheelchair to remove on flexible step.

(2) Through setting up slide rail portion, make whole device conveniently accomodate, saved the space that occupies.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a perspective view of a telescopic step of the present utility model;

FIG. 2 is a front view of the rotary member of FIG. 1 after rotation;

FIG. 3 is a perspective view of the step support of FIG. 1;

FIG. 4 is an enlarged view of the structure of the step body of FIG. 1;

fig. 5 is a schematic view of the internal structure of the cavity at the front end of the step body in fig. 4.

In the figure: 1. a step support; 101. a column; 102. a cross bar; 103. a stabilizing rod; 2. a step body; 3. a rotating plate; 4. a connecting plate; 5. a locking fastener; 501. a locking block; 502. a fixed block; 503. a buckle; 6. a chute; 7. a clamping groove; 8. a connecting rod; 9. a sliding roller; 10. a rotating shaft; 11. an elastic telescopic rod.

Detailed Description

In order to enable those skilled in the art to better understand the technical scheme of the present utility model, the technical scheme of the present utility model will be further described in detail with reference to the accompanying drawings and examples.

Example 1

The utility model provides a flexible step, including step support 1 and step body 2, step support 1 comprises stand 101, horizontal pole 102 and firm pole 103, four corners department is provided with stand 101, be provided with two dead levers on two adjacent stands 101 of rear end, make whole device keep stable, connect with horizontal pole 102 on two adjacent stands 101 about, in this embodiment, the quantity of horizontal pole 102 sets up to four, all be provided with slide rail assembly on each horizontal pole 102, step body 2 is located the space that four horizontal poles 102 enclose, in this embodiment, the quantity of step body 2 sets up to four.

The sliding rail component comprises a sliding groove 6, a sliding roller 9 and a connecting rod 8, and the rearmost end of the sliding groove 6 is provided with a clamping groove 7 in a downward inclined mode. One end of the connecting rod 8 is connected with the step body 2, and the other end is connected with the sliding roller 9. The sliding roller 9 slides in the chute 6, when sliding to the inside of the clamping groove 7 at the rearmost end, the sliding roller 9 can be fixed in the clamping groove 7 to stop moving, meanwhile, the step body 2 correspondingly slides a small distance downwards, the step body 2 at the bottommost end can be better attached to the bottom surface, and the secondary step can be better attached to the lower primary step. When all the sliding rollers 9 slide into the clamping groove 7, the whole telescopic step is in a fully extended state, and at the moment, a step shape is formed.

In order to make the telescopic step more convenient for the disabled to use, the further optimization scheme of this embodiment is: the front side of the step body 2 is provided with a cavity, and an elastic telescopic part is arranged in the cavity; the elastic expansion part comprises an elastic expansion rod 11, a rotating shaft 10 and a rotating component, wherein the rotating component comprises a rotating plate 3 and a connecting plate 4, the upper end of the rotating plate 3 is rotatably connected with the elastic expansion rod 11, the connecting plate 4 is arranged at the lower end of the rotating plate 3, and the rotating plate 3 is obliquely connected with the connecting plate 4. The elastic telescopic rod 11 is connected to the connecting plate 4 rear end, and elastic telescopic rod 11 is the normal tensile state, only receives external effort, can make elastic telescopic rod 11 shrink.

The rotating part and the step body 2 are opened and closed through a locking fastener 5. Specifically, the locking fastener 5 includes a locking buckle and a locking block 501, the locking block 501 is disposed on the rotating plate 3, and the locking buckle is disposed on the outer sidewall of the step body 2; the locking buckle comprises a fixed block 502 and a buckle 503, and the buckle 503 is rotationally connected with the fixed block 502. When the buckle 503 is clamped with the locking block 501, the foremost end of the step body 2 is vertical, the whole device forms a step shape, when the buckle 503 is separated from the locking block 501, the elastic telescopic rod 11 automatically bounces off to drive the connecting plate 4 to move forward and simultaneously drive the rotating plate 3 to rotate around the rotating shaft 10, and when all the buckles 503 are separated from the locking block 501, the whole device forms a slope shape, so that devices such as a wheelchair can be conveniently moved, the multipurpose effect of one object is realized, and a patient sitting on the wheelchair can conveniently go up and down the step.

In order to ensure the safety of the whole device in use, when the telescopic steps are required to be adjusted from a fully extended state to a contracted state, the special pressing tool is used for retracting the elastic telescopic rod 11, the locking part is firmly fixed, and finally each stage of step body 2 is pulled obliquely upwards, so that the sliding roller 9 enters the sliding groove 6 and moves to the end.

Example 2 application case

The embodiment describes the application of the utility model in the field of steps, firstly, the whole device is moved to a proper position for stable placement, and the steps of 1 to 4 stages are pushed, so that all sliding rollers 9 are moved into corresponding clamping grooves, and the whole device forms a step shape for pedestrians to use.

When the device is required to be changed into a slope shape from a step shape so as to be convenient for pedestrians to push a wheelchair or other special power assisting devices, the buckles 503 on the step are buckled from bottom to top to be separated from the locking blocks 501, at the moment, the elastic telescopic rods 11 automatically spring to open to drive the connecting plates 4 to move forward and simultaneously drive the rotating plates 3 to rotate around the rotating shafts 10, and when all the buckles 503 are separated from the locking blocks 501, the whole device forms a slope shape so as to be convenient for the wheelchair and other devices to move.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The telescopic step comprises a step support (1) and a step body (2), and is characterized in that slide rail assemblies are arranged on the left side and the right side of the step support (1), cavities are formed in the front side of the step body (2), and elastic telescopic parts are arranged in the cavities; wherein,

the elastic telescopic part comprises an elastic telescopic rod (11), a rotating shaft (10) and a rotating component, wherein the upper end of the rotating component is rotationally connected with the rotating shaft (10), and the lower end of the rotating component is fixedly connected with the elastic telescopic rod (11);

the rotating part and the step body (2) are opened and closed through a locking fastener (5).

2. A telescopic step according to claim 1, characterized in that the rotating member comprises a rotating plate (3) and a connecting plate (4), the lower end of the rotating plate (3) being provided with the connecting plate (4) and both being connected in an inclined manner.

3. A telescopic step according to claim 1, characterized in that the locking fastener (5) comprises a locking buckle and a locking block (501), the locking block (501) being arranged on the rotating plate (3), the locking buckle being arranged on the outer side wall of the step body (2).

4. A telescopic step according to claim 3, wherein the locking buckle comprises a fixed block (502) and a buckle (503), the buckle (503) and the fixed block (502) being rotationally connected.

5. A telescopic step according to claim 1, characterized in that the sliding rail assembly comprises a sliding groove (6), a sliding roller (9) and a connecting rod (8), wherein one end of the connecting rod (8) is connected with the step body (2), and the other end is connected with the sliding roller (9).

6. A telescopic step according to claim 5, characterized in that the rearmost end of the chute (6) is provided with a snap-in groove (7) sloping downwards.