CN212655321U - Compound building old-assisting stair - Google Patents

Abstract

The utility model discloses a compound building old-helping stair, which comprises a stair body, wherein the stair body comprises a plurality of stair treads, stair handrails, a rest platform, a lifting platform, a boss main shaft, a driving motor and a control box, the stair treads are all provided with lifting platforms which are arranged in holes arranged on the stair treads through linear bearings, the boss main shaft is provided with a boss, the top end of one end of the boss main shaft is connected with the driving motor through a universal coupling, the boss main shaft is fixed in a rolling bearing arranged in the supporting seat, one end of the electric push rod is provided with a wedge block matched with the arc curved surface at the bottom of the platform column of the lifting platform, the pressure handle arranged in the stair railing is provided with a pressure sensor, the control box is internally provided with a singlechip, the electric push rod, the pressure sensor of the pressure handle and the driving motor are electrically connected with the single chip microcomputer in the control box. The device novel structure, installation are convenient, are fit for using widely by a large scale.

Description

Compound building old-assisting stair

Technical Field

The utility model relates to the field of medical auxiliary equipment, specifically a compound building helps old stair.

Background

With the formation of an aging age structure, china begins to step into an aging society. Along with the increase of age, the old person's bodily function constantly descends, it is very hard thing to them to climb the stair, and to the double entry building, because of its structural particularity, its indoor design is very compact, and the space is limited to lead to the stair of double entry building generally all to be steeper and narrower, has very big potential safety hazard to the old person of handicapped to go up and down the stair in-process. For the installation of a duplex building, the installation of an elevator and an escalator is also limited by the special structure of the duplex building; since the wheelchair which can freely run on the flat ground can not overcome the building obstacles such as stairs, a certain number of stair climbing devices designed for overcoming the building obstacles such as the stairs are generated, and the stair climbing devices have various types and characteristics. According to the functional requirement analysis of the stair climbing device, the optimal implementation mode is that the stair climbing device can go up and down stairs independently without manual assistance. Most of the prior stair climbing devices are semi-automatic devices requiring manual assistance, and human functions are indispensable in the process of going upstairs and downstairs. Some other high-end autonomous stair climbing devices (such as a chair type stair climbing machine) exist at home and abroad, and the devices do not need much intervention of others in the using process, but on one hand, the old also needs to climb a building properly to exercise muscles so as to prevent the muscles from atrophy; on the other hand, the chair type stair climbing machine is not very suitable for being installed in a duplex building, and the whole installation and later maintenance cost are higher.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound building helps old stair to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a compound building old-helping stair comprises a stair body, wherein the stair body is composed of a plurality of stair treads, stair handrails, a rest platform, a lifting platform, a boss main shaft, a driving motor and a control box, the stair handrails are arranged on the side edges of the stair treads, the lifting platforms are arranged on the stair treads, the tops of the lifting platforms are rectangular step boards, the bottoms of the lifting platforms are cylindrical platform columns, the bottom ends of the platform columns of the lifting platforms are arc curved surfaces, holes for allowing the platform columns of the lifting platforms to pass through are formed in the stair treads, linear bearings matched with the platform columns of the lifting platforms are placed in the holes, the lifting platforms are installed in the holes formed in the stair treads through the linear bearings, bosses which are eccentrically arranged are uniformly arranged on the boss main shaft, the bosses which are eccentrically arranged are circular, and the diameter of the top circle is larger than that of the bottom circle, the stair railing is characterized in that a boss arranged on a boss main shaft is matched with an arc curved surface at the bottom end of a platform column of the lifting platform, the top end of one end of the boss main shaft is connected with a driving motor through a universal coupling, two ends of the boss main shaft are respectively provided with a supporting seat, two ends of the boss main shaft are fixed in rolling bearings arranged in the supporting seats, the inner side of a first-step stair tread of the stair body is provided with an electric push rod, the electric push rod is driven by a reciprocating motion motor, the end part of the electric push rod is provided with a driving block, the driving block is of a triangular block structure, the height of the end, connected with the electric push rod, of the driving block is matched with the height of the platform column of the lifting platform, a pressure handle is arranged inside the stair railing and is provided with a pressure sensor, a single chip microcomputer is arranged, the electric push rod, the pressure sensor of the pressure handle and the driving motor are electrically connected with the single chip microcomputer in the control box.

Furthermore, the step plate at the top of the lifting platform is equal to 1/2 the length and the width of a stair tread respectively in length and width, the platform column of the lifting platform is provided with an anti-skid sleeve with the size larger than a hole of the stair tread at the bottom of the stair tread, and the lifting platform is arranged at one side close to a stair handrail.

Furthermore, all the bosses arranged on the boss main shaft are fixedly arranged on the boss main shaft, the geometric central axes of the adjacent bosses on the boss main shaft are offset from the axis of the boss main shaft in a staggered manner, and the offset distances are equal.

Further, driving motor installs in the motor support, the motor support top is equipped with a plurality of mounting holes, mounting hole on the motor support includes four at least, the bottom of motor support is half "concave" type groove, the aperture that the bottom of motor support is half "concave" type groove cooperatees with driving motor's outline.

Furthermore, the mounting holes arranged on the spindle supporting seat and the motor support are threaded holes.

Furthermore, screws are mounted in mounting holes of the spindle supporting seat and the motor support and fixedly mounted on the stair body through the screws.

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

a compound building helps old stair makes the stair-climbing process walk on the level land in other words, has solved the old man and has hard, inconvenient scheduling problem at the in-process of going upstairs to the device compact structure, novelty.

Drawings

Fig. 1 is a schematic view of the installation and overall structure of the utility model.

Fig. 2 is a schematic view of the structure of the supporting seat of the utility model.

Fig. 3 is the schematic structural view of the lifting platform of the utility model.

Fig. 4 is a schematic structural view of the motor support of the utility model.

Fig. 5 is a schematic structural view of the electric push rod of the utility model.

Fig. 6 is a schematic view of the utility model showing the supporting seat installed in a partially enlarged manner.

Fig. 7 is a schematic view of the utility model showing the motor support mounting part enlarged.

Fig. 8 is a schematic view of the electric push rod of the utility model showing the installation of a local part.

In the figure: 1. stair tread, 2 electric push rods, 3 supporting seats, 4 stair handrails, 5 pressure handles, 6 resting platforms, 7 driving motors, 8 motor supports, 9 universal couplings, 10 lifting platforms, 11 boss spindles, 12 control boxes, 13 rolling bearings, 14 screws and 15 screws

201. Drive block, 202 reciprocating motor

301. Bearing mounting hole, 302 mounting hole

801. Mounting holes, 802 "concave" grooves

1001. Step plate, 1002, platform column, 1003, antiskid sleeve.

Detailed Description

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1 to 7, the present invention provides a compound building old-people assisting stair:

the utility model discloses a stair body, stair body comprises a plurality of stair tread 1, stair railing 4, rest platform 6, lift platform 10, boss main shaft 11, driving motor 7, control box 12. The stair tread is characterized in that an eccentrically arranged boss is arranged on the boss main shaft 11, the supporting seat 3 is provided with two mounting holes 302 and a bearing mounting hole 301, a rolling bearing 13 with the inner diameter being consistent with the shaft diameter of the boss main shaft is mounted in the bearing mounting hole 301 on the supporting seat 3, two ends of the boss main shaft 11 are respectively mounted in the rolling bearings 13 mounted in the bearing mounting hole 301 on the supporting seat 3, the supporting seat 3 is fixed at the lower end of the stair tread 1 through screws 14 mounted in the mounting holes 302, the boss main shaft 11 is driven by a driving motor 7 and is connected with a motor shaft of the driving motor 7 through a universal coupling 9 to transmit torque and rotating speed, the driving motor 7 is nested in a semi-concave groove 802 at the lower end of the motor support 8, and screws 15 are mounted in mounting holes 801 at the upper end of the motor support 8 to fix the, the lifting platform 10 is arranged in the stair tread 1, in order to keep the continuity of the reciprocating up-and-down motion of the lifting platform 10, a linear bearing is arranged at the installation part of the lifting platform 10 and the stair tread 1 and also plays a role of guiding, the upper end of the lifting platform 10 is a rectangular step plate 1001, the length and the width of the rectangular step plate are respectively equal to the 1/2 length and the width of the stair tread 1, the lower end of a platform column 1002 of the lifting platform 10 is a smooth curved surface and is always contacted with a boss on a boss spindle 11, the bottom of the lifting platform 10 is provided with an anti-slip part 1003 with the size larger than the hole of the stair tread 1 on the platform column 1002, each step of the stair tread 1 is provided with the lifting platform 10, a boss on the boss spindle 11 is correspondingly arranged under each lifting platform 10, and a certain space is needed in the rotating process of the boss spindle 11, in order to not damage the ground of a compound building, a lifting platform 11 arranged on a first-step stair tread 1 is driven by an electric push rod 2 fixed on the inner side below the first-step stair tread 1 to move up and down, a driving block 201 is arranged at the end part of the electric push rod 2, the driving block 201 is in a high triangular block structure, the height of the end, connected with the electric push rod 2, of the driving block 201 is matched with the height of a platform column 1002 of the lifting platform 10, a pressure handle 5 is embedded in a stair handrail 4, a start button and a stop button are arranged on a control box 12, and the electric push rod 2, the driving motor 7 and the pressure handle 5 of the compound building old-assistant stair are electrically connected with a single chip microcomputer in the control box 12.

The utility model discloses when using: manually start a 'start' button on a control box 12, a lifting platform 10 is driven by an electric push rod 2 or a boss spindle 11 to do up-and-down reciprocating motion along the vertical direction, the up-and-down motion amplitude of the lifting platform 10 is the height of a stair tread 1, and the motion processes of the lifting platform 10 on two adjacent stair treads 1 are staggered with each other, for example, when the lifting platform 10 on the first stair tread 1 moves to the lowest end, the lifting platform 10 on the second stair tread 1 moves to the highest position, the lifting platform 10 on two adjacent stair treads 1 has a leveling process in one period, so that the climbing process of the old people is equivalent to walking on flat ground, when the climbing process encounters a sudden situation, a pressure handle 5 arranged in a stair handrail 4 can be tightly held, the pressure handle 5 detects a sharp pressure sudden change, and feeds information back to the control box 12, the whole device stops running, a 'start' button on the control box 12 needs to be manually started from new work, and the normal stop work of the device can be manually completed by pressing a 'stop' button on the control box 12.

Although preferred 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 (4)

1. A compound building old-helping stair comprises a stair body, wherein the stair body is composed of a plurality of stair treads, stair handrails, a rest platform, a lifting platform, a boss main shaft, a driving motor and a control box, and is characterized in that the stair handrails are arranged on the side edges of the stair treads, the lifting platforms are arranged on the stair treads, the tops of the lifting platforms are rectangular step boards, the bottoms of the lifting platforms are cylindrical platform columns, the bottom ends of the platform columns of the lifting platforms are arc curved surfaces, holes for allowing the platform columns of the lifting platforms to pass through are formed in the stair treads, linear bearings matched with the platform columns of the lifting platforms are placed in the holes, the lifting platforms are installed in the holes formed in the stair treads through the linear bearings, bosses which are eccentrically arranged are uniformly arranged on the boss main shaft, the bosses which are eccentrically arranged on the boss main shaft are circular, and the diameter of the top of the bosses is larger than that of the bottom of the stair treads, the stair railing is characterized in that a boss arranged on a boss main shaft is matched with an arc curved surface at the bottom end of a platform column of the lifting platform, the top end of one end of the boss main shaft is connected with a driving motor through a universal coupling, two ends of the boss main shaft are respectively provided with a supporting seat, two ends of the boss main shaft are fixed in rolling bearings arranged in the supporting seats, the inner side of a first-step stair tread of the stair body is provided with an electric push rod, the electric push rod is driven by a reciprocating motion motor, the end part of the electric push rod is provided with a driving block, the driving block is of a triangular block structure, the height of the end, connected with the electric push rod, of the driving block is matched with the height of the platform column of the lifting platform, a pressure handle is arranged inside the stair railing and is provided with a pressure sensor, a single chip microcomputer is arranged, the electric push rod, the pressure sensor of the pressure handle and the driving motor are electrically connected with the single chip microcomputer in the control box.

2. A compound building old-assistant staircase according to claim 1, wherein the step plate on the top of said lifting platform has a length and width equal to 1/2 of the step plate, the platform column of said lifting platform is provided with an anti-slip cover with a size larger than the hole of the step plate at the bottom position of the step plate, said lifting platform is provided near one side of the handrail.

3. The compound building old-assisting stair as claimed in claim 1, wherein the bosses arranged on the boss main shafts are all fixedly arranged on the boss main shafts, the geometric central axes of the adjacent bosses on the boss main shafts are offset from the axes of the boss main shafts relatively in a staggered manner, and the offset distances are equal.

4. A compound building old-assisting stair according to claim 1, wherein the driving motor is installed in a motor support, a plurality of installation holes are formed in the top of the motor support, at least four installation holes are formed in the motor support, the bottom of the motor support is a half-concave groove, and the diameter of the half-concave groove in the bottom of the motor support is matched with the outer contour of the driving motor.

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