CN111387740A - Old man's helping hand chair - Google Patents
Old man's helping hand chair Download PDFInfo
- Publication number
- CN111387740A CN111387740A CN202010339433.5A CN202010339433A CN111387740A CN 111387740 A CN111387740 A CN 111387740A CN 202010339433 A CN202010339433 A CN 202010339433A CN 111387740 A CN111387740 A CN 111387740A
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- China
- Prior art keywords
- seat
- assembly
- rotatably connected
- body frame
- frame
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
- A47C1/03205—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination
- A47C1/03211—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination by electric motors
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/034—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest
- A47C1/0342—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movable backrest-seat unit or back-rest
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C17/00—Sofas; Couches; Beds
- A47C17/04—Seating furniture, e.g. sofas, couches, settees, or the like, with movable parts changeable to beds; Chair beds
- A47C17/16—Seating furniture changeable to beds by tilting or pivoting the back-rest
- A47C17/17—Seating furniture changeable to beds by tilting or pivoting the back-rest with coupled movement of back-rest and seat
- A47C17/175—Seating furniture changeable to beds by tilting or pivoting the back-rest with coupled movement of back-rest and seat with tilting or lifting seat-back-rest pivot
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/14—Standing-up or sitting-down aids
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Nursing (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The invention discloses an old man power-assisted chair which comprises a seat main body frame, a leg plate, a seat plate and a seat backrest assembly, wherein the leg plate and the seat plate are respectively and rotatably connected to the front side of the seat main body frame through L-type rotating connecting frames, the front side of the seat main body frame is also rotatably connected with the leg plate through a leg plate driving connecting rod, and the seat backrest assembly consists of a seat backrest body and an annular armrest frame.
Description
Technical Field
The invention relates to the technical field of power-assisted chairs, in particular to a power-assisted chair for the old.
Background
With the continuous improvement of the living standard of the nation and the rapid development of medical services, China already steps into an aging society, the proportion of the elderly population in the general population is gradually increased, the self-care capability of the elderly is poor, and the life cannot be managed by oneself, the development of a booster has positive effects on the solution of the problems, which has important significance on improving the life quality of the elderly and ensuring the stable development of the society in China, however, the elderly cannot easily stand or sit down like normal people, and due to the increase of age or accidental injury, each joint of the lower limbs of the elderly is possibly not enough to support the dead weight of the body of the elderly, a special device for assisting the elderly to stand is needed, but the booster device in the market at present does not really try out the household life of the elderly, and the application solves the design of the structure of the booster device, convenient to use, and possess the old man's helping hand chair of stronger practicality and security.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an assistance chair for the old.
In order to achieve the purpose, the invention adopts the following technical scheme: an old people booster chair comprising: a seat body frame, a leg plate and a seat plate and seat back assembly;
the leg plate and the seat plate are respectively connected to the front side of the seat main frame in a rotating way through L-shaped rotating connecting frames, and the front side of the seat main frame is also connected with the leg plate in a rotating way through a leg plate driving connecting rod;
the seat back assembly consists of a seat back body and two annular armrest frames, the two annular armrest frames are symmetrically welded on two sides of the bottom of the seat back body, a fixed connecting rod is connected between the two annular armrest frames and is rotatably connected in the seat main body frame, and a driving chain is arranged on the inner side of each annular armrest frame;
the bottom of the seat main body frame is also provided with a driving mechanism for rotating and adjusting the seat back assembly.
As a further description of the above technical solution:
the driving mechanism consists of a speed reducing motor, a worm assembly and a worm wheel assembly, wherein an output shaft of the speed reducing motor is in transmission connection with the worm assembly, and the worm assembly is in transmission connection with the worm wheel assembly.
As a further description of the above technical solution:
the worm wheel assembly is characterized in that a rotating shaft rod penetrates through and is fixed at the axis position of the worm wheel assembly, driving gears are symmetrically fixed at two ends of the rotating shaft rod, and the driving gears are meshed and connected with a driving chain on the inner side of the annular handrail frame.
As a further description of the above technical solution:
the inner side of the seat main body frame is also movably connected with a first electric push rod, and the movable end of the first electric push rod is rotatably connected with the leg plate driving connecting rod.
As a further description of the above technical solution:
the bottom of the seat main body frame is movably connected with a second electric push rod, the movable end of the second electric push rod is in transmission connection with a Z-shaped driving connecting rod through a pin shaft, and the other end of the Z-shaped driving connecting rod is rotatably connected with the bottom of the seat plate.
As a further description of the above technical solution:
the back side of the seat back body is further connected with an adjusting and supporting assembly, the adjusting and supporting assembly is composed of a first supporting rod and a second supporting rod, the first supporting rod is rotatably connected with the back face of the seat back body, one end of the second supporting rod is rotatably connected with the first supporting rod, and the other end of the second supporting rod is rotatably connected with the seat main body frame.
As a further description of the above technical solution:
the bottom of the seat main body frame is connected with four movable supporting frames in a rectangular array mode, rectangular grooves are formed in the movable supporting frames, and the inner sides of the rectangular grooves are rotatably connected with movable idler wheels through adjusting frames.
Advantageous effects
The invention provides an assistance chair for the old. The method has the following beneficial effects:
(1): when an old person sits on the chair and wants to stand up, the old person only needs to press the control switch, the first electric push rod and the second electric push rod are matched with the leg plate driving connecting rod and the Z-shaped driving connecting rod to act on the seat plate and the leg plate, the seat plate and the leg plate are rotated and lifted to be adjusted to lift the old person, meanwhile, the reduction motor rotates to drive the worm rod assembly and the worm wheel assembly to rotate, the worm wheel assembly is coaxial with the driving gear, the worm wheel assembly rotates and simultaneously drives the rotating shaft rod to rotate, the rotating shaft rod is matched with the driving gear to act on a driving chain on the inner side of the annular handrail frame in the seat backrest assembly, so that the annular handrail frame is driven to rotate, because annular handrail frame and seat back body welding are integrative to drive seat back body forward motion protection old man's waist, the design of annular handrail frame can give old man's a support simultaneously, realizes reaching the function of helping.
(2): when the old people sit on the chair, the first electric push rod for controlling the switch leg plate is pressed down at a rest, the first electric push rod is matched with the leg plate driving connecting rod to lift the leg plate to be horizontal to the ground, meanwhile, the reduction motor rotates to drive the worm rod component and the worm wheel component to rotate, the worm wheel component is coaxial with the driving gear, the worm wheel component rotates and simultaneously drives the rotating shaft rod to rotate, the rotating shaft rod is matched with the driving gear to rotate to drive the annular handrail frame provided with the driving chain to rotate and adjust, thereby the chair backrest body is lowered to be level with the leg plate, the function of developing into a simple bed is realized for the old to have a rest, meanwhile, when the backrest body is lowered to be level with the leg plate, the adjusting and supporting component connected with the backrest body can support the ground, thereby realize supporting the backrest body, improve the stability when the old man lies the rest on the seat.
Drawings
Fig. 1 is a schematic overall structure diagram of an assistive chair for the aged;
fig. 2 is a schematic perspective view of an assistive chair for the aged;
FIG. 3 is a schematic view of a seat back assembly according to the present invention;
FIG. 4 is a schematic view of the connection structure of the driving gear and the driving chain in the present invention;
FIG. 5 is a schematic view of the worm gear assembly of the present invention;
fig. 6 is a schematic structural view of the mobile supporting frame of the present invention.
Illustration of the drawings:
1. the chair comprises a chair main body frame, 2, L type rotary connecting frames, 3, a leg plate, 4, a leg plate driving connecting rod, 5, a first electric push rod, 6, a chair plate, 7, a Z type driving connecting rod, 8, a second electric push rod, 9, a chair backrest assembly, 91, a chair backrest body, 92, an annular armrest frame, 93, a driving chain, 94, a fixed connecting rod, 95, an adjusting support assembly, 951, a first support rod, 952, a second support rod, 10, a driving mechanism, 101, a speed reducing motor, 102, a worm assembly, 103, a worm gear assembly, 11, a rotary shaft rod, 12, a driving gear, 13, a moving support frame, 14, a rectangular groove, 15 and a moving roller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 6, an old man's booster chair includes: the seat body frame 1, the leg plate 3, and the seat plate 6 and the seat back assembly 9;
the leg plate 3 and the seat plate 6 are respectively connected with the front side of the seat body frame 1 in a rotating way through an L-shaped rotating connecting frame 2, and the front side of the seat body frame 1 is also connected with the leg plate 3 in a rotating way through a leg plate driving connecting rod 4;
so that the leg plate 3 and the seat plate 6 can be pivotally lifted by the L-type pivotal links 2 to which they are connected, respectively.
The seat back assembly 9 consists of a seat back body 91 and annular handrail frames 92, the number of the annular handrail frames 92 is two, the two annular handrail frames 92 are symmetrically welded on two sides of the bottom of the seat back body 91, a fixed connecting rod 94 is connected between the two annular handrail frames 92, the fixed connecting rod 94 is rotatably connected in the seat main body frame 1, and a driving chain 93 is arranged on the inner side of each annular handrail frame 92;
the bottom of the seat body frame 1 is also provided with a drive mechanism 10 for rotationally adjusting the seatback assembly 9.
The driving mechanism 10 is composed of a speed reducing motor 101, a worm assembly 102 and a worm wheel assembly 103, wherein an output shaft of the speed reducing motor 101 is in transmission connection with the worm assembly 102, and the worm assembly 102 is in transmission connection with the worm wheel assembly 103.
The worm gear assembly 103 is fixed with a rotating shaft 11 at the axis position, and two ends of the rotating shaft 11 are symmetrically fixed with a driving gear 12, wherein the driving gear 12 is engaged with a driving chain 93 at the inner side of the annular handrail frame 92.
The inner side of the seat main body frame 1 is also movably connected with a first electric push rod 5, and the movable end of the first electric push rod 5 is rotatably connected with the leg plate driving connecting rod 4.
The first electric push rod 5 is used for matching with the leg plate driving connecting rod 4 to realize the adjustment of the leg plate 3.
The bottom of the seat body frame 1 is also movably connected with a second electric push rod 8, the movable end of the second electric push rod 8 is in transmission connection with a Z-shaped driving connecting rod 7 through a pin shaft, and the other end of the Z-shaped driving connecting rod 7 is rotatably connected with the bottom of the seat plate 6.
The second electric push rod 8 is used for matching with the Z-shaped driving connecting rod 7 to adjust the seat plate 6.
The working principle is as follows:
(1): when the old people want to stand up by sitting on the chair, as long as the control switch is pressed, the first electric push rod 5 and the second electric push rod 8 are matched with the leg plate driving connecting rod 4 and the Z-shaped driving connecting rod 7 to act on the leg plate 3 and the seat plate 6, the seat plate 6 and the leg plate 3 are rotated and lifted to lift the old people, meanwhile, the speed reducing motor 101 is rotated to drive the worm assembly 102 and the worm wheel assembly 103 to rotate, the worm wheel assembly 103 is coaxial with the driving gear 12, the rotating shaft rod 11 is driven to rotate while the worm wheel assembly 103 is rotated, the rotating shaft rod 11 is matched with the driving gear 12 to act on the driving chain 93 on the inner side of the annular armrest frame 92 in the seat back assembly 9, so as to drive the annular armrest frame 92 to rotate, because the annular armrest frame 92 and the seat back body 91 are welded into a whole, the seat back body 91 is driven to move forwards to protect the waist of, the function of helping play is achieved.
(2): the old man sits on the chair and wants the rest on time, press control switch, control first electric putter 5, first electric putter 5 cooperation leg board drive connecting rod 4 with leg board 3 lifting to with ground level, gear motor 101 is rotatory to drive worm subassembly 102 and worm wheel subassembly 103 rotatory simultaneously, worm wheel subassembly 103 is coaxial with drive gear 12, drive rotation axostylus axostyle 11 when worm wheel subassembly 103 is rotatory and rotate, rotation axostylus axostyle 11 cooperation drive gear 12 is rotatory to be driven the annular handrail frame 92 rotation regulation of loading drive chain 93, thereby make seat back body 91 descend to with leg board 3 level, the function of developing into simple and easy bed has been realized, supply the old man to have a rest.
The rear side of seat back body 91 still is connected with adjusts supporting component 95, and adjusts supporting component 95 and comprises first bracing piece 951 and second bracing piece 952, and first bracing piece 951 rotates with seat back body 91 back and is connected, and second bracing piece 952 one end rotates with first bracing piece 951 to be connected, and the other end and the seat main part frame 1 of second bracing piece 952 rotate to be connected.
When the backrest body 91 descends to the level with the leg plate 3, the adjusting and supporting assembly 95 connected to the backrest body 91 can be supported with the ground, so that the backrest body 91 is supported, and the stability of the old people during lying and resting on the seat is improved.
The bottom of the seat body frame 1 is connected with four movable support frames 13 in a rectangular array manner, rectangular grooves 14 are formed in the movable support frames 13, and the inner sides of the rectangular grooves 14 are rotatably connected with movable rollers 15 through adjusting frames.
Remove support frame 13 and can support seat main part frame 1, when removing, can drive through the alignment jig and remove gyro wheel 15 and rotate the regulation for the alignment jig embedding is in the rectangle recess 14 on removing support frame 13, removes gyro wheel 15 at this moment and ground contact, and the user is more convenient when removing this helping hand chair.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. An old people booster chair comprising: a seat body frame (1), a leg plate (3), a seat plate (6) and a seat back assembly (9);
the leg plate (3) and the seat plate (6) are respectively and rotatably connected to the front side of the seat main body frame (1) through L-shaped rotating connecting frames (2), and the front side of the seat main body frame (1) is also rotatably connected with the leg plate (3) through a leg plate driving connecting rod (4);
the seat back assembly (9) consists of a seat back body (91) and two annular armrest frames (92), the two annular armrest frames (92) are symmetrically welded on two sides of the bottom of the seat back body (91), a fixed connecting rod (94) is connected between the two annular armrest frames (92), the fixed connecting rod (94) is rotatably connected in the seat main body frame (1), and a driving chain (93) is arranged on the inner side of each annular armrest frame (92);
the bottom of the seat main body frame (1) is also provided with a driving mechanism (10) for rotating and adjusting the seat backrest assembly (9).
2. The booster chair for the elderly as claimed in claim 1, wherein the driving mechanism (10) is composed of a speed reduction motor (101), a worm assembly (102) and a worm wheel assembly (103), an output shaft of the speed reduction motor (101) is in transmission connection with the worm assembly (102), and the worm assembly (102) is in transmission connection with the worm wheel assembly (103).
3. The booster chair for the aged according to claim 2, wherein the worm gear assembly (103) is fixed with a rotating shaft (11) at the axis position, and the two ends of the rotating shaft (11) are symmetrically fixed with driving gears (12), wherein the driving gears (12) are meshed with the driving chain (93) at the inner side of the annular handrail frame (92).
4. The power-assisted chair for the aged according to claim 1, wherein a first electric push rod (5) is movably connected to the inner side of the seat body frame (1), and the movable end of the first electric push rod (5) is rotatably connected with the leg plate driving connecting rod (4).
5. The power-assisted chair for the aged according to claim 1, wherein the bottom of the seat body frame (1) is further movably connected with a second electric push rod (8), the movable end of the second electric push rod (8) is in transmission connection with a Z-shaped driving connecting rod (7) through a pin shaft, and the other end of the Z-shaped driving connecting rod (7) is rotatably connected with the bottom of the seat plate (6).
6. The power-assisted chair for the aged according to claim 1, wherein the rear side of the seat back body (91) is further connected with an adjusting support assembly (95), the adjusting support assembly (95) is composed of a first support rod (951) and a second support rod (952), the first support rod (951) is rotatably connected with the back side of the seat back body (91), one end of the second support rod (952) is rotatably connected with the first support rod (951), and the other end of the second support rod (952) is rotatably connected with the seat main body frame (1).
7. The booster chair for the old people as claimed in claim 1, wherein four movable supporting frames (13) are connected to the bottom of the seat body frame (1) in a rectangular array, a rectangular groove (14) is formed in each movable supporting frame (13), and a movable roller (15) is rotatably connected to the inner side of each rectangular groove (14) through an adjusting frame.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010339433.5A CN111387740A (en) | 2020-04-26 | 2020-04-26 | Old man's helping hand chair |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010339433.5A CN111387740A (en) | 2020-04-26 | 2020-04-26 | Old man's helping hand chair |
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CN111387740A true CN111387740A (en) | 2020-07-10 |
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CN202010339433.5A Pending CN111387740A (en) | 2020-04-26 | 2020-04-26 | Old man's helping hand chair |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112056975A (en) * | 2020-09-17 | 2020-12-11 | 安徽科技学院 | Auxiliary device for helping old people go to toilet |
CN112206088A (en) * | 2020-11-02 | 2021-01-12 | 津市市人民医院 | Air bag type lumbar vertebra and cervical vertebra tractor |
CN114451706A (en) * | 2022-02-22 | 2022-05-10 | 广州大学 | Chair capable of helping user to get up |
CN114644073A (en) * | 2022-03-14 | 2022-06-21 | 顾青卿 | Old person service robot and service system |
-
2020
- 2020-04-26 CN CN202010339433.5A patent/CN111387740A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112056975A (en) * | 2020-09-17 | 2020-12-11 | 安徽科技学院 | Auxiliary device for helping old people go to toilet |
CN112206088A (en) * | 2020-11-02 | 2021-01-12 | 津市市人民医院 | Air bag type lumbar vertebra and cervical vertebra tractor |
CN114451706A (en) * | 2022-02-22 | 2022-05-10 | 广州大学 | Chair capable of helping user to get up |
CN114644073A (en) * | 2022-03-14 | 2022-06-21 | 顾青卿 | Old person service robot and service system |
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