阅读说明：本技术 一种帮助老年人上下楼梯机械装置 (Mechanical device for helping old people to go up and down stairs ) 是由 何流洪 赵威 周峥嵘 洪福 范顺鑫 万剑桥 李平洋 刘震宁 于 2021-01-13 设计创作，主要内容包括：本发明涉及生活辅助器械领域。目的在于提供一种使用方便的、借力稳定的帮助老年人上下楼梯机械装置,包括用于安装在楼梯扶墙内表面的、条形的轨道板和设置在轨道板上的、能够沿轨道板长度方向移动的行走辅助机构；所述轨道板上设置有沿轨道板长度方向延伸的锯齿状的条形的导向孔；所述行走辅助机构包括与楼梯扶墙外表面相对的外架、与楼梯扶墙内表面相对的内架、以及与楼梯扶墙顶面相对的中间架；所述外架与内架之间通过中间架连接,形成倒U形的楼梯扶墙卡口；所述滑动条上还设置有能够伸出内架外的把手。本发明能够为老年人上下楼梯提供稳定的支撑力,防止摔倒、便于移动,使用极为方便。(The invention relates to the field of life auxiliary appliances. The mechanical device comprises a strip-shaped track plate and a walking auxiliary mechanism, wherein the strip-shaped track plate is arranged on the inner surface of a stair buttress, and the walking auxiliary mechanism is arranged on the track plate and can move along the length direction of the track plate; the track plate is provided with a saw-toothed strip-shaped guide hole extending along the length direction of the track plate; the walking assisting mechanism comprises an outer frame opposite to the outer surface of the stair buttress, an inner frame opposite to the inner surface of the stair buttress and a middle frame opposite to the top surface of the stair buttress; the outer frame and the inner frame are connected through the middle frame to form an inverted U-shaped stair buttress bayonet; and a handle capable of extending out of the inner frame is further arranged on the sliding strip. The stair climbing device can provide stable supporting force for old people to go upstairs and downstairs, prevent falling down, is convenient to move, and is extremely convenient to use.)

1. The utility model provides a help old person's mechanical device that goes up and down stairs which characterized in that: comprises a strip-shaped track plate (1) which is used for being installed on the inner surface of a stair buttress (0) and a walking auxiliary mechanism (2) which is arranged on the track plate (1) and can move along the length direction of the track plate (1);

the track plate (1) is provided with a saw-toothed strip-shaped guide hole (3) extending along the length direction of the track plate (1);

the walking auxiliary mechanism (2) comprises an outer frame (4) opposite to the outer surface of the stair buttress (0), an inner frame (5) opposite to the inner surface of the stair buttress (0), and a middle frame (6) opposite to the top surface of the stair buttress (0); the outer frame (4) is connected with the inner frame (5) through the middle frame (6) to form an inverted U-shaped bayonet of the stair buttress (0); the inner frame (5) is provided with a sliding strip (7) capable of moving up and down along the inner frame (5), the sliding strip (7) is provided with a guide wheel (8) matched with the guide hole (3) in the track plate (1), and the guide wheel (8) extends into the guide hole (3); the sliding strip (7) is also provided with a handle (9) which can extend out of the inner frame (5).

2. The device of claim 1, wherein: the outer frame (4) comprises an inner end plate (10) and an inner sealing plate (11) which are sequentially arranged along the direction far away from the middle frame (6), the inner end plate (10) is connected with the middle frame (6), and the upper part of the inner sealing plate (11) is overlapped and leaned on the inner end plate (10) and is connected with the inner end plate through a connecting bolt (12); one surface of the inner sealing plate (11) close to the inner end plate (10) is also provided with a lifting sliding groove (13), a sliding strip (7) is arranged in the lifting sliding groove (13), and the guide wheel (8) is arranged at the bottom of the sliding strip (7); the surface that interior end capping kept away from interior end plate (10) still is provided with vertical, bar hole of stepping down (14), hole of stepping down (14) and sliding tray pass through mutually, handle (9) stretch into interior shrouding (11) through hole of stepping down (14) to be connected with slip strip (7).

3. The device of claim 2, wherein: the middle part of slide bar (7) is provided with jack (15) of bar, the link of handle (9) is articulated with the one end of articulated ear (16), and the other end of articulated ear (16) penetrates in jack (15) to install in jack (15) through connecting pin (17).

4. The device of claim 3, wherein: the upper part of the sliding strip (7) is also provided with a pin hole (18) which transversely penetrates through the sliding strip (7), a pin shaft (19) is matched in the pin hole (18), two ends of the pin shaft (19) extend out of the pin hole (18), and the end part of the pin shaft is provided with a lifting guide wheel (20); the sliding groove is a stepped groove with a large upper part and a small lower part, and the lifting guide wheel (20) is positioned in the upper section of the sliding groove.

5. The device of claim 4, wherein: the bottom of the middle frame (6) is provided with a travelling wheel.

6. The device of claim 5, wherein: the bottom surface of the middle frame (6) is distributed with a plurality of adjusting bolt holes (21) in a matrix shape, and the travelling wheels are fixed on the middle frame (6) through adjusting bolts (22) arranged in the adjusting bolt holes (21).

7. The device of claim 6, wherein: the walking wheel comprises two oppositely-arranged inverted-Y-shaped wheel carriers (23) and a roller (24) arranged between the wheel carriers (23), a transverse connecting block (25) is arranged at the top of each wheel carrier (23), and the rod part of the adjusting bolt (22) penetrates through the connecting block (25) and then extends into the adjusting bolt hole (21); two shaft holes are formed in the two forks of the inverted Y-shaped wheel carrier (23), two ends of a wheel shaft (26) are correspondingly installed in the shaft holes of the two wheel carriers (23), and the roller (24) is arranged on the wheel shaft (26).

8. The device of claim 7, wherein: the cross section of the middle frame (6) is rectangular, and a bottom plate of the middle frame (6) is provided with an adjusting screw hole (21).

9. The device of claim 8, wherein: the outer frame (4) comprises an outer end plate (29), an outer clamping block (27) matched with the inner cavity of the middle frame (6) is arranged at the upper part of one surface, close to the middle frame (6), of the outer end plate (29), the outer clamping block (27) penetrates through the outer end of the middle frame (6), and is connected with the middle frame (6) through an outer fastening bolt (28); the lower part of one surface of the outer end plate (29) close to the middle frame (6) is provided with an outer contact block (30), and the outer contact block (30) is connected with the outer end plate (29) through an end plate bolt (40); the bottom of the inner sealing plate (11) facing the face of the stair buttress (0) is provided with an inner contact block (31).

10. The device of claim 9, wherein: the lower part of one surface of the inner end plate (10) close to the middle frame (6) is provided with an inner clamping block (33) matched with the inner cavity of the middle frame (6), and the inner clamping block (33) penetrates through the inner end of the middle frame (6) and is connected with the middle frame (6) through an inner fastening bolt (34).

Technical Field

The invention relates to the field of life auxiliary appliances, in particular to a mechanical device for helping old people to go up and down stairs.

Background

Data show that millions of people fall down from stairs every year in daily life, old houses in three-four-wire cities are more, elevator rooms are not common, and most people still live in the stairway rooms. The elderly are more prone to accidents and the resulting injuries are greater than those of younger people. How to prevent the old from going upstairs and downstairs and making the old go out safely or go home safely becomes the problem which needs to be solved at present. The inventor collects data and analyzes the survey results, and the obtained reasons for falling of the old are as follows: trip, slip, shake, and have vertigo, and step on stairs. The reason is that the accident is sudden and the force-assisted station is stable. According to past experience, the handrail is prevented from falling down from the upstairs and downstairs, the simplest and most extensive method is to hold the handrail, but the handrail can still be used for helping force during normal upstairs and downstairs, if feet slide, the hand helping angle of the handrail is changed, effective support cannot be formed, the falling phenomenon can be caused, and sometimes, the accident of hand sprain can be caused because the hand angle cannot be twisted.

Disclosure of Invention

The invention aims to provide a mechanical device which is convenient to use and stable in force-aid and helps the old to go up and down stairs.

In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows: a mechanical device for helping the old to go up and down stairs comprises a strip-shaped track plate and a walking auxiliary mechanism, wherein the strip-shaped track plate is arranged on the inner surface of a stair buttress, and the walking auxiliary mechanism is arranged on the track plate and can move along the length direction of the track plate;

the track plate is provided with a saw-toothed strip-shaped guide hole extending along the length direction of the track plate;

the walking assisting mechanism comprises an outer frame opposite to the outer surface of the stair buttress, an inner frame opposite to the inner surface of the stair buttress and a middle frame opposite to the top surface of the stair buttress; the outer frame and the inner frame are connected through the middle frame to form an inverted U-shaped stair buttress bayonet; the inner frame is provided with a sliding strip which can move up and down along the inner frame, the sliding strip is provided with a guide wheel matched with the guide hole on the track plate, and the guide wheel extends into the guide hole; and a handle capable of extending out of the inner frame is further arranged on the sliding strip.

Preferably, the outer frame comprises an inner end plate and an inner sealing plate which are sequentially arranged along the direction far away from the middle frame, the inner end plate is connected with the middle frame, and the upper part of the inner sealing plate is stacked on the inner end plate and connected through a connecting bolt; one surface of the inner sealing plate, which is close to the inner end plate, is also provided with a lifting chute, a sliding strip is arranged in the lifting chute, and the guide wheel is arranged at the bottom of the sliding strip; the surface of the inner end sealing far away from the inner end plate is also provided with vertical strip-shaped abdicating holes, the abdicating holes are communicated with the sliding grooves, and the handle extends into the inner sealing plate through the abdicating holes and is connected with the sliding strips.

Preferably, the middle part of slip strip is provided with the jack of bar, the link of handle is articulated with the one end of articulated ear, and the other end of articulated ear penetrates in the jack to install in the jack through the connecting pin.

Preferably, the upper part of the sliding strip is also provided with a pin hole which transversely penetrates through the sliding strip, a pin shaft is adapted to the pin hole, two ends of the pin shaft extend out of the pin hole, and the end part of the pin shaft is provided with a lifting guide wheel; the sliding groove is a stepped groove with a large upper part and a small lower part, and the lifting guide wheel is positioned in the upper section of the sliding groove.

Preferably, the bottom of the middle frame is provided with a travelling wheel.

Preferably, a plurality of adjusting bolt holes are distributed on the bottom surface of the middle frame in a matrix shape, and the walking wheels are fixed on the middle frame through adjusting bolts arranged in the adjusting bolt holes.

Preferably, the travelling wheel comprises two wheel carriers which are arranged oppositely and in an inverted Y shape and a roller arranged between the wheel carriers, a transverse connecting block is arranged at the top of each wheel carrier, and a rod part of the adjusting bolt penetrates through the connecting block and then extends into the adjusting bolt hole; two shaft holes are formed in the two forks of the inverted Y-shaped wheel carrier, two ends of the wheel shaft are correspondingly installed in the shaft holes of the two wheel carriers, and the idler wheel is arranged on the wheel shaft.

Preferably, the cross section of the middle frame is rectangular, and a bottom plate of the middle frame is provided with an adjusting screw hole.

Preferably, the outer frame comprises an outer end plate, an outer clamping block matched with the inner cavity of the middle frame is arranged at the upper part of one surface of the outer end plate, which is close to the middle frame, the outer clamping block penetrates through the outer end of the middle frame and is connected with the middle frame through an outer fastening bolt; the lower part of one surface of the outer end plate, which is close to the middle frame, is provided with an outer contact block, and the contact block is connected with the outer end plate through an end plate bolt; the bottom of the inner sealing plate facing to one side of the stair buttress is provided with an inner contact block.

Preferably, the lower part of one surface of the inner end plate close to the middle frame is provided with an inner clamping block matched with the inner cavity of the middle frame, and the inner clamping block penetrates through the inner end of the middle frame and is connected with the middle frame through an inner fastening bolt.

The beneficial effects of the invention are concentrated and expressed as follows: can provide stable holding power for the old to go up and down stairs, prevent to fall down, be convenient for remove, it is very convenient to use. Specifically, before the stair climbing device is used, the rail plate is firstly installed on the inner surface of the upper portion of the stair buttress along the angle of the stair, and then the walking assisting mechanism is installed on the stair buttress and the rail plate. When the walking assisting mechanism is used, the saw-toothed guide holes are adopted for guiding, each sawtooth section corresponds to one or more stages of stairs, and the guide wheels on the sliding strips of the inner frame of the walking assisting mechanism can be clamped against the starting end of each sawtooth section of the guide holes when the walking assisting mechanism walks in one or more stages of stairs, so that stable force borrowing is realized. After the walking of current stair is accomplished, can walk the auxiliary mechanism of walking to the next sawtooth section of guiding hole to form stable borrow power point once more, until accomplishing whole stair action of going up and down. Compared with the traditional mode, the invention adopts a transverse force-borrowing mode, has stable and reliable support, and adopts a sectional self-locking support mode, thereby greatly reducing the risk of force-borrowing slippage when going upstairs and downstairs. Meanwhile, due to the fact that the handle is installed in the inverted U-shaped wrapping mode, when the handle is used for exerting strength, stress of the handle can be uniformly dispersed to the outer frame, the middle frame and the inner frame, the phenomenon of stress concentration at the positions of the guide holes and the guide wheels is improved, and safety of the handle is further improved. In addition, the invention has simple structure, is convenient for transforming the prior old walk stairway and is very convenient for popularization and application.

Drawings

FIG. 1 is a schematic view of the present invention in an installed state;

FIG. 2 is a schematic perspective view of the walking assistance mechanism;

FIG. 3 is a perspective view of the walking assistance mechanism from another perspective;

FIG. 4 is a right side view of the inner closure plate of FIG. 3;

FIG. 5 is a schematic view of the structure of FIG. 4 in an unassembled state of the closure plate of FIG. 2;

FIG. 6 is a schematic view showing the internal structure of the walking assistance mechanism;

fig. 7 is a schematic view of the installation of the slider.

Detailed Description

Referring to fig. 1 to 7, a mechanical device for helping the elderly to go up and down stairs comprises a strip-shaped rail plate 1 for being mounted on the inner surface of a stair buttress 0, and a walking assisting mechanism 2 disposed on the rail plate 1 and capable of moving along the length direction of the rail plate 1. The track plate 1 is generally directly installed on the stair buttress 0 through expansion bolts, and on the premise of meeting the fastening performance, the track plate 1 is actually fixed through bonding, welding and the like.

As shown in fig. 1, the track plate 1 is provided with a saw-toothed strip-shaped guide hole 3 extending along the length direction of the track plate 1, the guide hole 3 has a continuity as a whole, each saw-tooth segment has a relative independence, and the starting end of each saw-tooth segment, i.e. the lower end of each saw-tooth segment as shown in the figure, has a corner for supporting the borrowing force.

The walking assistance mechanism 2 includes an outer frame 4 opposite to the outer surface of the stair buttress 0, an inner frame 5 opposite to the inner surface of the stair buttress 0, and an intermediate frame 6 opposite to the top surface of the stair buttress 0. The outer frame 4 is connected with the inner frame 5 through the middle frame 6 to form an inverted U-shaped stair buttress 0 bayonet. Adopt the block mode of parcel formula, can improve the contact surface of whole walking complementary unit 2 for stair counterfort 0, and then realize stress dispersion, reduce the condition of local stress concentration and take place, improve and borrow the stability.

As shown in fig. 3, a sliding bar 7 capable of moving up and down along the inner frame 5 is arranged on the inner frame 5, a guide wheel 8 matched with the guide hole 3 on the track plate 1 is arranged on the sliding bar 7, the guide wheel 8 extends into the guide hole 3 of the track plate 1, so that a guide is formed through the guide hole 3, so that the main body of the walking assisting mechanism 2 moves along the upper surface of the stair buttress 0, and the guide wheel 8 moves up and down along with the guide hole 3. And a handle 9 capable of extending out of the inner frame 5 is further arranged on the sliding strip 7, and the handle 9 is used for being held by virtue of force.

Before the stair climbing device is used, the rail plate 1 is firstly installed on the inner surface of the upper portion of the stair buttress 0 along the angle of a stair, and then the walking assisting mechanism 2 is installed on the stair buttress 0 and the rail plate 1. In use, as the invention adopts the serrated guide holes 3 for guiding, each serrated section corresponds to one or more stages of stairs, and the guide wheel 8 on the sliding strip 7 of the inner frame 5 of the walking auxiliary mechanism 2 can be clamped and leant against the starting end of each serrated section of the guide holes 3, namely the corner of the guide holes 3 in the figure 1, when the walking assisting mechanism walks by one or more stages of stairs, thereby realizing stable force borrowing. After the walking of current stair is accomplished, can push away walking complementary unit 2 to 3 next sawtooth sections of guiding hole to form stable borrow power point once more, move up to accomplishing whole stairs up and down.

Compared with the traditional mode, the invention adopts a transverse force-borrowing mode, has stable and reliable support, and adopts a sectional self-locking support mode, thereby greatly reducing the risk of force-borrowing slippage when going upstairs and downstairs. Meanwhile, due to the adoption of the inverted U-shaped packaging type installation, the stress of the handle 9 can be uniformly dispersed to the outer frame 4, the middle frame 6 and the inner frame 5 during force borrowing, the phenomenon of stress concentration at the guide hole 3 and the guide wheel 8 is improved, and the safety of the invention is further improved. In addition, the invention has simple structure, is convenient for transforming the prior old walk stairway and is very convenient for popularization and application.

The outer frame 4 has a plurality of specific structures, and a space for the sliding strip 7 to move up and down is arranged in the outer frame, so that the inner frame 4 adopts a combined structure, and is convenient to detach, mount and process. Specifically, the outer frame 4 comprises an inner end plate 10 and an inner sealing plate 11 which are sequentially arranged in the direction away from the middle frame 6, the inner end plate 10 is connected with the middle frame 6, and the upper portion of the inner sealing plate 11 is stacked on the inner end plate 10 and connected through a connecting bolt 12. The one side that interior shrouding 11 is close to interior end plate 10 still is provided with lift spout 13, set up slider 7 in the lift spout 13, leading wheel 8 sets up the bottom at slider 7. And then utilize lift spout 13 to lead slide bar 7, realize its directional lift, in the process of leading wheel 8 along guiding hole 3 motion, slide bar 7 is in the motion of lift spout 13 undulation.

On the basis, in order to further improve the lifting stability of the sliding bar 7, as shown in fig. 5, a pin hole 18 which transversely penetrates through the sliding bar 7 is further formed in the upper portion of the sliding bar 7, a pin shaft 19 is adapted in the pin hole 18, two ends of the pin shaft 19 extend out of the pin hole 18, and a lifting guide wheel 20 is arranged at the end portion of the pin shaft 19. The sliding groove is a stepped groove with a large upper part and a small lower part, and the lifting guide wheel 20 is positioned in the upper section of the sliding groove. Through the roll of lift guide pulley 20, can reduce the frictional force of slide 7 lift in-process, and then improve its stability of moving.

In order to facilitate the installation of the handle 9, according to the invention, as shown in fig. 2 and 4, a vertical strip-shaped abdicating hole 14 is further formed in the surface of the inner end far away from the inner end plate 10, the abdicating hole 14 penetrates through the sliding groove, and the handle 9 extends into the inner sealing plate 11 through the abdicating hole 14 and is connected with the sliding strip 7. Of course, in order to avoid interference caused by the expense of the handle 9 when not in use, the handle 9 of the present invention is preferably capable of being accommodated in the offset hole 14, and it is preferable that the middle portion of the sliding strip 7 is provided with a strip-shaped insertion hole 15, the connecting end of the handle 9 is hinged with one end of a hinge lug 16, and the other end of the hinge lug 16 penetrates into the insertion hole 15 and is installed in the insertion hole 15 through a connecting pin 17.

The middle frame 6 can be detachably connected with the inner frame 4 and the outer frame 5 in a bolt direct connection mode, a clamping connection mode and the like, but in order to improve the stability of the integral connection, the cross section of the middle frame 6 is rectangular. The outer frame 4 comprises an outer end plate 29, an outer clamping block 27 matched with the inner cavity of the middle frame 6 is arranged at the upper part of one surface of the outer end plate 29, which is close to the middle frame 6, the outer clamping block 27 penetrates through the outer end of the middle frame 6, and is connected with the middle frame 6 through an outer fastening bolt 28. Similarly, the lower part of the inner end plate 10 near one side of the middle frame 6 is provided with an inner clamping block 33 matched with the inner cavity of the middle frame 6, and the inner clamping block 33 is arranged at the inner end of the middle frame 6 in a penetrating way and connected with the middle frame 6 through an inner fastening bolt 34. By such a structural improvement, the overall structure of the inner frame 4, the outer frame 5, and the intermediate frame 6 is more secured. In addition, in order to improve the contact condition between the inner frame 4 and the outer frame 5 and the stair buttress 0, the outer end plate 29 is provided with an outer contact block 30 at the lower part of one surface close to the middle frame 6, and the outer contact block 30 is connected with the outer end plate 29 through an end plate bolt 40. The bottom of the inner sealing plate 11 facing the side of the stair buttress 0 is provided with an inner contact block 31.

Considering that the bottom surface of the middle frame 6 is in contact with the stair buttress 0 as a main contact surface in the process of the movement of the walking assisting mechanism 2, in order to improve the smoothness of the movement, the bottom of the middle frame 6 is provided with walking wheels. Of course, in order to meet the requirements of the stair buttresses 0 with different widths, the middle frame 6 with the adaptive length can be selected during the processing of the invention. At this time, the traveling wheel should have an adjusting function according to the width of the intermediate frame 6, and therefore, the bottom plate of the intermediate frame 6 may be provided with the adjusting screw hole 21. The bottom surface of the middle frame 6 is distributed with a plurality of adjusting bolt holes 21 in a matrix shape, and the walking wheels are fixed on the middle frame 6 through adjusting bolts 22 arranged in the adjusting bolt holes 21. In a specific form, as shown in fig. 3, the traveling wheel comprises two oppositely arranged inverted Y-shaped wheel carriers 23 and a roller 24 arranged between the wheel carriers 23, a transverse connecting block 25 is arranged at the top of the wheel carriers 23, and the rod part of the adjusting bolt 22 passes through the connecting block 25 and then extends into the adjusting bolt hole 21. Two shaft holes are arranged on two forks of the inverted Y-shaped wheel carrier 23, two ends of a wheel shaft 26 are correspondingly arranged in the shaft holes of the two wheel carriers 23, and the roller 24 is arranged on the wheel shaft 26. After adopting such structure, in the process of pushing the walking auxiliary mechanism 2, the labor is saved, the smoothness is improved, and the friction between the middle frame 6 and the upper surface of the stair buttress 0 is reduced.