CN213311021U - Old man's helping hand chair - Google Patents

Abstract

The application provides an old man's helping hand chair, including seat body, the booster unit of setting on the seat body, set up the universal wheel in the anterior left and right sides in seat body below, set up the braked wheel in seat body below rear portion left and right sides, set up the U-shaped handle in seat body rear portion top and set up the detent in seat body rear portion. The power assisting chair for the old is provided with the power assisting device, so that the old can be pushed to slowly stand up or sit down, and the convenience of standing up or sitting down of the old is greatly improved; a brake wheel and a universal wheel are arranged below the seat body, so that nursing staff can push the power-assisted chair to move conveniently; the seat is provided with the stop device, so that the seat is fixed when the old person stands up or sits down, the movement of the seat is avoided, and the sitting down or standing up safety of the old person is greatly improved.

Description

Old man's helping hand chair

Technical Field

The application relates to the technical field of power-assisted chairs, in particular to a power-assisted chair for the old.

Background

The old man is because the reason such as standing difficulty and initiative mobility are not enough, will lead to the old man improper long-time sitting and lie in bed for a long time very easily, can arouse whole-body muscular atrophy and joint stiffness long-time, the motor function obstacle of different degrees appears, mainly show in the ability of bearing a burden, the decline of the different degrees of stability, make the old man's physical quality further decline, more easily fall down, the fear that the old man stood has been strengthened, arouse vicious circle, therefore very need one kind can assist the old man to stand from the instrument of chair or sit down, although a lot of helping hand chairs have appeared at present, but current helping hand chair only can place in a place, can not remove, and the complicated operation of structure is inconvenient, the range of application of helping hand chair has been injectd greatly.

Disclosure of Invention

The application provides an old man's helping hand chair for solving above-mentioned technical problem.

The technical scheme adopted by the application is as follows: an assistance chair for the old is characterized by comprising a chair body, an assistance device arranged on the chair body, universal wheels arranged on the left side and the right side of the front part below the chair body, brake wheels arranged on the left side and the right side of the rear part below the chair body, a U-shaped handle arranged above the rear part of the chair body and a stop device arranged behind the chair body;

the left side and the right side of the rear part of the seat body are symmetrically provided with support columns, the support columns are hollow columns, the power assisting device comprises a rectangular frame arranged on the upper part of the front side of the seat body, a seat plate arranged on the upper part of the rectangular frame and an electric push rod arranged below the rectangular frame, the front side of the rectangular frame is horizontally and rotatably arranged on the left side and the right side of the seat body, handrails are symmetrically arranged on the left side and the right side of the seat plate, the end of the electric push rod body is hinged below the rear side of the seat body, and the output end; the rotatory below that sets up at the support column of braked wheel, arresting gear includes that the symmetry sets up the piece that pushes down in U-shaped handle top, sets up the lower last item between the piece that pushes down, symmetry set up the connecting piece that resets in the support column of the seat body left and right sides and set up on the braked wheel and the brake assembly who links to each other with the connecting piece that resets, support column upper portion is equipped with the rectangle hole that the opening is backward, the piece that pushes down is including setting up the articulated seat in rectangle hole department and articulating the depression bar on articulated seat, the depression bar stretches into in the rectangle hole and links to each other with the connecting piece that resets.

Furthermore, the power assisting device further comprises an assisting device, the assisting device comprises a horizontal rotating shaft arranged at the front part below the seat body and assisting pieces symmetrically arranged at the left side and the right side of the power assisting device, the assisting pieces comprise an upper connecting rod arranged below the rectangular frame in a hinged mode and a lower connecting rod arranged on the horizontal rotating shaft, and the upper connecting rod is hinged to the lower connecting rod.

Further, the brake wheel includes the connecting pipe, set up the U-shaped piece of falling below the connecting pipe, the rotation axis of rotation setting on the U-shaped piece of falling and the symmetry set up in the U-shaped piece both sides just with the gyro wheel of rotation axis axial connection, the connecting pipe is rotatory to be set up in the below of support column.

Furthermore, the reset connecting piece comprises a fixed partition plate arranged at the inner lower part of the support column, a guide sliding block arranged below the fixed partition plate in a sliding manner, a reset spring arranged between the fixed partition plate and the guide sliding block, and a pull rope, wherein one end of the pull rope is connected with the press rod, and the other end of the pull rope penetrates through the fixed partition plate and is rotatably connected with the guide sliding block.

Further, the brake assembly including set up at the epaxial locking wheel of the U-shaped spare internal rotation and with locking wheel matched with retainer, it is equipped with a plurality of draw-in grooves to be annular array on the locking wheel, the retainer includes with locking wheel matched with arc fastener and sets up the cuboid connecting rod on arc fastener upper portion, the U-shaped spare upper end of falling is equipped with the rectangle trompil, the cuboid connecting rod slides and passes the rotatory below that sets up at the guide block of rectangle trompil.

Furthermore, a rubber sleeve is arranged on the handrail.

The application has the advantages and positive effects that: the power assisting chair for the old is provided with the power assisting device, so that the old can be pushed to slowly stand up or sit down, and the convenience of standing up or sitting down of the old is greatly improved; a brake wheel and a universal wheel are arranged below the seat body, so that nursing staff can push the power-assisted chair to move conveniently; the seat is provided with the stop device, so that the seat is fixed when the old person stands up or sits down, the movement of the seat is avoided, and the sitting down or standing up safety of the old person is greatly improved.

In addition to the technical problems addressed by the present application, the technical features constituting the technical solutions, and the advantages brought by the technical features of the technical solutions described above, other technical problems solved by the present application, other technical features included in the technical solutions, and advantages brought by the technical features will be further described in detail below with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of an assistive chair for the elderly in the background art of the present application;

FIG. 2 is a schematic diagram of a rectangular frame structure provided in an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a stopping device provided in an embodiment of the present application;

FIG. 4 is a schematic structural diagram of an auxiliary device provided in an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a brake wheel provided in an embodiment of the present application;

fig. 6 is a schematic structural view of a reduction connection provided by an embodiment of the present application;

FIG. 7 is a schematic structural diagram of a brake assembly provided by an embodiment of the present application;

fig. 8 is a schematic view of a rubber sleeve provided in an embodiment of the present application.

In the figure: 1 a seat body; 110 support columns; 2, a power assisting device; 210 a rectangular frame; 220 base plate; 230 an electric push rod; 3, universal wheels; 4, braking the wheel; 410 a connecting pipe; 420 an inverted U-shaped piece; 430 a rotating shaft; 440 a roller wheel; 5U-shaped handles; 6, a stopping device; 610, pressing down; 611 hinge seat; 612 a pressure bar; 620, pressing down the shaft; 630 a reset connection; 631 fixing the partition plate; 632 a guide block; 633 a reset spring; 634 pull rope; 640 braking the assembly; 641 stopping the wheel; 642 a stop member; 7, a handrail; 8 auxiliary devices; 810 a horizontal rotation axis; 820 an auxiliary member; 821 an upper connecting rod; 822 a lower connecting rod; 9, an arc-shaped clamping piece; 10 rectangular connecting rods; 11 rubber sleeve

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1, 2 and 3, an assistive chair for old people is characterized by comprising a seat body 1, an assistive device 2 arranged on the seat body 1, universal wheels 3 arranged at the left and right sides of the front part below the seat body 1, brake wheels 4 arranged at the left and right sides of the rear part below the seat body 1, a U-shaped handle 5 arranged above the rear part of the seat body 1 and a stopper 6 arranged at the rear part of the seat body 1;

the left side and the right side of the rear part of the seat body 1 are symmetrically provided with supporting columns 110, the supporting columns 110 are hollow columns, the power assisting device 2 comprises a rectangular frame 210 arranged on the upper part of the front side of the seat body 1, a seat board 220 arranged on the upper part of the rectangular frame 210 and an electric push rod 230 arranged below the rectangular frame 210, the front side of the rectangular frame 210 is horizontally and rotatably arranged on the left side and the right side of the seat body 1, handrails 7 are symmetrically arranged on the left side and the right side of the seat board 220, the end of the electric push rod 230 is hinged below the rear side of the seat body 1, and the output end of the; the rotatory below that sets up at support column 110 of braked wheel 4, detent 6 is including the symmetry set up at the holding down piece 610 of U-shaped handle 5 top, set up the push down axle 620 between holding down piece 610, the symmetry sets up the connecting piece 630 that resets in seat body 1 left and right sides support column 110 and set up on brake wheel 4 and the brake subassembly 640 that links to each other with the connecting piece 630 that resets, support column 110 upper portion is equipped with the rectangle hole that the opening is backward, holding down piece 610 is including setting up articulated seat 611 and the depression bar 612 that articulates on articulated seat 611 in rectangle hole department, depression bar 612 stretches into in the rectangle hole and links to each other with the connecting piece 630 that resets.

In the embodiment, the seat body 1 is a basic frame body of the power-assisted chair for the old, the left side and the right side of the rear part of the seat body 1 are symmetrically provided with the hollow support columns 110, the upper parts of the two support columns 110 are provided with the flexible backrest, the comfort level of the old is improved, the lower part is provided with the brake wheel 4, and the brake wheel 4 can rotate around the lower ends of the support columns 110; in this embodiment, the power assisting device 2 is a key component of the power assisting chair for the elderly, and is provided with a rectangular frame 210, a seat plate 220 and an electric push rod 230, wherein the rectangular frame 210 is arranged on the upper side of the front part of the chair body 1, two ends of a long frame edge on the front side of the rectangular frame 210 are rotatably arranged on the left side and the right side of the chair body 1, and the rectangular frame 210 can rotate around the long frame edge on the front side; the seat board 220 is arranged above the rectangular frame 210, and is provided with a support frame and a seat cushion, which can rotate along with the rotation of the rectangular frame 210, in the embodiment, the left side and the right side of the support frame are symmetrically provided with the handrails 7, which is convenient for the old to support by hands when standing up or sitting down, and improves the safety of the old to stand up or sit down; in this embodiment, a connection column is arranged below the seat body 1 and between the two support columns 110, one end of the body of the electric push rod 230 is hinged to the middle of the connection column, and the other end of the output end of the electric push rod 230 is hinged to the middle of the long side of the rear part of the rectangular frame 210; in this embodiment, the U-shaped pushing handle spans between the two supporting columns 110, which is convenient for pushing the power-assisted chair for the elderly.

When the old man wants to stand up from the helping hand chair, start electric putter 230 through control switch and promote rectangle frame 210 upwards rotatory round the long frame of front side, the bedplate 220 that sets up on rectangle frame 210 upper portion rotates along with rectangle frame 210, promote the old man and pass through to the state of standing gradually by sitting the state of standing, in this process, the handle is supported to old man's both hands, promote behind electric putter 230 the maximum condition, the old man can both hands both legs simultaneously hard to realize standing up, when the old man sits down, both hands support handrail 7, make the buttock sit gradually on the bedplate 220 that lies in the highest place, then start electric putter 230, make electric putter 230 shrink gradually, it tends to the level to drive rectangle frame 210 and bedplate 220 simultaneously, supplementary old man sits down.

In this embodiment, the stopping device 6 is a brake component of the power-assisted chair for old people, which fixes the chair when the old people stands up or sits down, thereby avoiding the movement of the chair, and greatly improving the sitting or standing safety of the old people, in this embodiment, the stopping device 6 is provided with two downward pressing members 610, a downward pressing shaft 620, two resetting connecting members 630 and a brake assembly 640, wherein the two downward pressing members 610 are symmetrically arranged on the two supporting columns 110, the downward pressing shaft 620 is arranged between the two downward pressing members 610, the two downward pressing members 610 can be pressed down simultaneously by the downward pressing shaft 620, in this embodiment, the upper portion of the supporting column 110 is provided with a rectangular hole with a backward opening, the downward pressing member 610 is provided with a hinged seat 611 and a pressing rod 612, the hinged seat 611 is arranged at the rectangular hole, the pressing rod 612 is hinged on the hinged seat 611, the resetting connecting member 630 is arranged in the supporting column 110, the hinged end of the pressing rod 612 extends, brake assembly 640 sets up on brake wheel 4 and links to each other with connecting piece 630 resets, when depression shaft 620 is in normal condition, brake assembly 640 fixes brake wheel 4, make it unable removal, when depression shaft 620 pushes down and drives depression bar 612 round articulated department downstream simultaneously, depression bar 612 is located the downthehole one end upward movement of rectangle, drive connecting piece 630 and brake assembly 640 upward movement reset simultaneously, brake assembly 640 loosens the fixed to brake wheel 4 this moment, brake wheel 4 can remove, and then can promote this helping hand chair and remove.

As shown in fig. 4, in a preferred embodiment, the power assisting device 2 further includes an assisting device 8, the assisting device 8 includes a horizontal rotating shaft 810 disposed at the lower front portion of the seat body 1 and assisting elements 820 symmetrically disposed at the left and right sides of the power assisting device 2, the assisting elements 820 include an upper link 821 hinged below the rectangular frame 210 and a lower link 822 disposed on the horizontal rotating shaft 810, and the upper link 821 is hinged with the lower link 822.

In this embodiment, the assisting device 2 is further provided with an assisting device 8, the assisting device 8 is provided with a horizontal rotating shaft 810 and two assisting elements 820, wherein the horizontal rotating shaft 810 is arranged at the front part below the seat body 1, namely, below the front long frame of the rectangular frame 210, the horizontal rotating shaft 810 is arranged in parallel with the front long frame, the two assisting elements 820 are symmetrically arranged at the left and right sides of the rectangular frame 210, in this embodiment, the assisting elements 820 are provided with an upper connecting rod 821 and a lower connecting rod 822, the upper connecting rod 821 is hinged below the rear long frame of the rectangular frame 210, the lower connecting rod 822 is fixedly arranged on the horizontal rotating shaft 810, and the free ends of the upper connecting rod 821 and the lower connecting rod 822 are hinged together, in this embodiment, the assisting device 8 greatly improves the stability of the rotation of the rectangular frame 210 and the seat plate 220, and further improves the safety of the old people when standing up or.

As shown in fig. 5, in a preferred embodiment, the brake wheel 4 includes a connection pipe 410, an inverted U-shaped member 420 disposed below the connection pipe 410, a rotation shaft 430 rotatably disposed on the inverted U-shaped member 420, and rollers 440 symmetrically disposed at both sides of the inverted U-shaped member 420 and axially connected to the rotation shaft 430, the connection pipe 410 being rotatably disposed below the support post 110.

In this embodiment, the brake wheel 4 is provided with a connecting pipe 410, an inverted U-shaped member 420, a rotating shaft 430 and two rollers 440, wherein the connecting pipe 410 is a connecting part between the brake wheel 4 and the supporting column 110 and is rotatably disposed below the supporting column 110, preferably, the outer wall of the connecting pipe 410 is provided with an annular convex edge, the inner wall of the supporting column 110 is provided with an annular groove matched with the annular convex edge, and the connecting pipe 410 is rotatably disposed on the annular groove in the supporting column 110 through the annular convex edge; the upper end of the inverted U-shaped member 420 is fixedly arranged below the connecting pipe 410, the rotating shaft 430 penetrates through the inverted U-shaped member 420 and is rotatably arranged on the inverted U-shaped member 420, the two rollers 440 are symmetrically arranged on two sides of the inverted U-shaped member 420, and the rollers 440 are axially and fixedly connected with the rotating shaft 430; in this embodiment, the brake wheel 4 and the universal wheel 3 have the same structure.

As shown in fig. 6, in a preferred embodiment, the reset connector 630 includes a fixed partition 631 disposed at the lower portion inside the support column 110, a guide block 632 slidably disposed below the fixed partition 631, a reset spring 633 disposed between the fixed partition 631 and the guide block 632, and a pull rope 634 having one end connected to the pressing rod 612 and the other end slidably passing through the fixed partition 631 and rotatably connected to the guide block 632.

In this embodiment, the reset connector 630 is provided with a fixed partition 631, a sliding guide block 632, a reset spring 633 and a pull rope 634, wherein the fixed partition 631 is disposed below the inside of the supporting column 110, the sliding guide block 632 is slidably disposed below the fixed partition 631, the reset spring 633 is connected between the fixed partition 631 and the sliding guide block 632, one end of the pull rope 634 is connected to the pressing rod 612, the other end of the pull rope 634 slides through the fixed partition 631 to be rotatably connected to the sliding guide block 632, and the lower end of the sliding guide block 632 is connected to the brake assembly 640.

As shown in fig. 7, in a preferred embodiment, the braking assembly 640 includes a stopping wheel 641 disposed on the rotating shaft 430 of the inverted U-shaped member 420 and a stopping member 642 engaged with the stopping wheel 641, the stopping wheel 641 is provided with a plurality of clamping grooves in an annular array, the stopping member 642 includes an arc-shaped clamping piece 9 engaged with the stopping wheel 641 and a rectangular parallelepiped connecting rod 10 disposed at an upper portion of the arc-shaped clamping piece 9, the inverted U-shaped member 420 is provided with a rectangular opening at an upper end, and the rectangular parallelepiped connecting rod 10 slides through the rectangular opening and is rotatably disposed below the guide block 632.

In this embodiment, the braking assembly 640 is provided with a stopping wheel 641 and a stopping member 642, wherein the stopping wheel 641 is disposed on the rotating shaft 430 inside the inverted U-shaped member 420, the stopping wheel 641 can rotate along with the rotating shaft 430, and a plurality of clamping grooves are disposed on the stopping wheel 641 in an annular array; the stopping member 642 is disposed above the stopping wheel 641, in this embodiment, the stopping member 642 is provided with an arc-shaped clamping member 9 and a rectangular parallelepiped connecting rod 10, the arc-shaped clamping member 9 is disposed above the stopping wheel 641, the inner side of the arc-shaped clamping member 9 is provided with a plurality of protruding strips matched with the clamping grooves, the rectangular parallelepiped connecting rod 10 is disposed above the arc-shaped clamping member 9, in this embodiment, the upper end of the inverted U-shaped member 420 is provided with a rectangular opening matched with the rectangular parallelepiped connecting rod 10, the upper end of the rectangular parallelepiped connecting rod 10 slides through the rectangular opening and the connecting pipe 410 is rotatably disposed below the guide block 632, when the pressing shaft 620 is not stressed, the return spring 633 downwardly presses the guide block 632, so that the rectangular parallelepiped connecting rod 10 connected to the lower end of the guide block 632 pushes the arc-shaped clamping member 9 to tightly contact the stopping wheel 641, and the protruding strips are matched with the clamping grooves to, the pressing rod 612 pulls the pulling rope 634 upwards, and then the guide slider 632 drives the rectangular parallelepiped connecting rod 10 and the arc-shaped clamping piece 9 to move upwards, so that the arc-shaped clamping piece 9 is separated from the stopping wheel 641, the fixing of the stopping wheel 641 by the stopping piece 642 is released, and the booster chair can move forwards by pushing the U-shaped handle 5.

In a preferred embodiment, as shown in fig. 8, the handrail 7 is provided with a rubber sleeve 11. In this embodiment, be equipped with rubber sleeve 11 on handrail 7, improved the frictional force between old man's hand and handrail 7 greatly, avoid the hand smooth, further improved the security when old man supports, it is preferred, can advance to be equipped with five finger shape recesses on the rubber sleeve 11, increase finger and rubber sleeve 11's area of contact, the old man's gripping of being convenient for.

The embodiments of the present application have been described in detail, but the description is only for the preferred embodiments of the present application and should not be construed as limiting the scope of the application. All equivalent changes and modifications made within the scope of the present application shall fall within the scope of the present application.

Claims (6)

1. An assistance chair for the old is characterized by comprising a seat body (1), an assistance device (2) arranged on the seat body (1), universal wheels (3) arranged on the left side and the right side of the front part below the seat body (1), brake wheels (4) arranged on the left side and the right side of the rear part below the seat body (1), a U-shaped handle (5) arranged above the rear part of the seat body (1) and a stop device (6) arranged behind the seat body (1);

the left side and the right side of the rear part of the seat body (1) are symmetrically provided with supporting columns (110), the supporting columns (110) are hollow columns, the power assisting device (2) comprises a rectangular frame (210) arranged on the upper part of the front side of the seat body (1), a seat board (220) arranged on the upper part of the rectangular frame (210) and an electric push rod (230) arranged below the rectangular frame (210), the front side of the rectangular frame (210) is horizontally and rotatably arranged on the left side and the right side of the seat body (1), handrails (7) are symmetrically arranged on the left side and the right side of the seat board (220), the body end of the electric push rod (230) is hinged below the rear side of the seat body (1), and the output end of the electric push rod; the rotatory below that sets up at support column (110) of braked wheel (4), detent (6) are including symmetry setting pushing down piece (610) in U-shaped handle (5) top, setting pushing down axle (620) between pushing down piece (610), the symmetry setting reset connecting piece (630) in seat body (1) left and right sides support column (110) and set up on brake wheel (4) and with the brake subassembly (640) that link to each other of resetting connecting piece (630), support column (110) upper portion is equipped with the rectangle hole that the opening is backward, pushing down piece (610) including setting up articulated seat (611) in rectangle hole department and articulating depression bar (612) on articulated seat (611), depression bar (612) stretch into the rectangle hole and link to each other with resetting connecting piece (630).

2. The power-assisted chair for the elderly as claimed in claim 1, wherein the power-assisted device (2) further comprises an auxiliary device (8), the auxiliary device (8) comprises a horizontal rotating shaft (810) arranged at the front part under the seat body (1) and auxiliary members (820) symmetrically arranged at the left and right sides of the power-assisted device (2), the auxiliary members (820) comprise an upper connecting rod (821) hinged under the rectangular frame (210) and a lower connecting rod (822) arranged on the horizontal rotating shaft (810), and the upper connecting rod (821) is hinged with the lower connecting rod (822).

3. The assistive chair for old people as claimed in claim 2, wherein the brake wheel (4) comprises a connection pipe (410), an inverted U-shaped member (420) disposed below the connection pipe (410), a rotation shaft (430) rotatably disposed on the inverted U-shaped member (420), and rollers (440) symmetrically disposed at both sides of the inverted U-shaped member (420) and axially connected to the rotation shaft (430), the connection pipe (410) being rotatably disposed below the support column (110).

4. The power-assisted chair for the aged as claimed in claim 3, wherein the reset connector (630) comprises a fixed partition (631) disposed at the lower part in the support column (110), a guide block (632) slidably disposed at the lower part of the fixed partition (631), a reset spring (633) disposed between the fixed partition (631) and the guide block (632), and a pull rope (634) having one end connected to the press rod (612) and the other end slidably passing through the fixed partition (631) and rotatably connected to the guide block (632).

5. The power-assisted chair for the aged according to claim 4, wherein the brake assembly (640) comprises a stop wheel (641) arranged on the rotating shaft (430) in the inverted U-shaped member (420) and a stop member (642) matched with the stop wheel (641), the stop wheel (641) is provided with a plurality of clamping grooves in an annular array, the stop member (642) comprises an arc-shaped clamping piece (9) matched with the stop wheel (641) and a cuboid connecting rod (10) arranged on the upper part of the arc-shaped clamping piece (9), the upper end of the inverted U-shaped member (420) is provided with a rectangular opening, and the cuboid connecting rod (10) slides through the rectangular opening and is rotatably arranged below the guide slider (632).

6. The booster chair for the elderly as claimed in claim 5, wherein the armrest (7) is provided with a rubber sleeve (11).

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