CN110074709B - Old man auxiliary device that uses chain drive and four-bar linkage is like lavatory - Google Patents
Old man auxiliary device that uses chain drive and four-bar linkage is like lavatory Download PDFInfo
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- CN110074709B CN110074709B CN201910461151.XA CN201910461151A CN110074709B CN 110074709 B CN110074709 B CN 110074709B CN 201910461151 A CN201910461151 A CN 201910461151A CN 110074709 B CN110074709 B CN 110074709B
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- 238000007667 floating Methods 0.000 claims abstract description 56
- 230000005540 biological transmission Effects 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000007665 sagging Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 2
- 230000009347 mechanical transmission Effects 0.000 abstract description 3
- 230000000474 nursing effect Effects 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 2
- 208000008035 Back Pain Diseases 0.000 description 1
- 208000008930 Low Back Pain Diseases 0.000 description 1
- 206010042434 Sudden death Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K17/00—Other equipment, e.g. separate apparatus for deodorising, disinfecting or cleaning devices without flushing for toilet bowls, seats or covers; Holders for toilet brushes
- A47K17/02—Body supports, other than seats, for closets, e.g. handles, back-rests, foot-rests; Accessories for closets, e.g. reading tables
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Epidemiology (AREA)
- General Health & Medical Sciences (AREA)
- Invalid Beds And Related Equipment (AREA)
Abstract
The auxiliary device for helping the old with legs sit down and get up safely when the old sits down is realized by adopting a mechanical transmission and four-bar mechanism, and the auxiliary device mainly comprises a main frame, a guide rail device, a power chain unit, a lifting supporting device and an electric control device; the guide rail and the power chain unit are fixed on the main frame, the lifting supporting device is connected to the guide slide block of the guide rail, the driving slide block of the power chain unit is connected with the power swing rod, the main motor is arranged on the motor support at the bottom of the power support, the lifting chain is driven by the transmission chain, the driving slide block is connected with the lifting chain, the lifting platform is driven by the lifting shaft and the power swing rod to do vertical lifting motion, the lifting platform is hinged with the follow-up swing rod and the floating joint, and the floating joint can move back and forth relative to the lifting platform; the supporting arm is hinged on the floating joint; the screw motor drives the motor screw to drive the screw sliding block to move so as to drive the supporting arm to switch between horizontal and sagging positions.
Description
Technical Field
The invention relates to a toilet auxiliary device which adopts a mechanical transmission and four-bar mechanism to realize the safe sitting and rising of old people with legs when the old people use the toilet in the field of the old, in particular to a supporting auxiliary device for the old people in solitary families and nursing homes when the old people use the toilet; the inside of the toilet auxiliary device is provided with a motor and chain transmission, a four-bar mechanism, a guide rail sliding block guiding device and a screw transmission device, so that the supporting arm of the toilet auxiliary device moves up and down along with the lifting platform under the drive of the screw transmission mechanism and the chain transmission mechanism, and the supporting arm is exchanged between a horizontal position and a sagging position under the drive of the screw and the sliding block; the multifunctional electric power machine is suitable for places where disabled people with severe degradation of leg functions and old people are concentrated, places of various scales of nursing homes, families of solitary old people and the like, and relates to the fields of mechanical principles, electric control and the like.
Background
With the development of society, people's life is prolonged and the aging phenomenon in China is more serious. And children of the old cannot accompany the old frequently due to living pressure and busy work. Part of the solitary old people are often difficult to sit down or lift up due to poor body functions, insufficient leg strength, lumbago and skelalgia and toilet; and the falling, falling injury and even sudden death occur due to absentmindedness in the sitting and rising processes. Many old people select a nursing home, but the nursing home does not have ideal related toilet auxiliary facilities, so that the workload of supporting the old people for helping the old people is greatly increased, the body of the old people is easily damaged, and meanwhile, the old people can go to the toilet under the condition that the old people have a 'accompany' beside, so that the mental burden of the old people is caused.
In the auxiliary device for assisting the old in using the toilet in the market, the toilet handrail installed on the wall needs a certain arm strength of the user, but the problem that the arm of the old suddenly loses strength and slides and falls down cannot be solved; the toilet cover is lifted to be used as a lifting supporting device, and the lifting height is insufficient, so that the old still needs to lift by the aid of the strength of the legs and arms of the old, and the old is easy to fall down or sit back to the toilet seat; also, the device cannot control the body of the elderly to swing left and right, and there is also a risk of the elderly to sideslip. The invention provides an auxiliary device for the toilet of the old people, which can realize the purpose of supporting the armpits of the old people by means of an electric control and mechanical transmission mechanism, so that the old people are vertical and do not need to safely stand up and sit down by means of arm strength.
Disclosure of Invention
The invention aims to provide a mechanical device which adopts a chain transmission and a four-bar mechanism to realize the vertical lifting movement of a lifting platform 24 and the relative horizontal movement of a floating joint 26 under the action of a linear guide rail, and adopts an electric screw device to realize the conversion of a supporting arm 35 between two horizontal and sagging positions; the mechanical device, the transmission mechanism and the electrical control technology are used for realizing the hiding and lifting actions of the supporting arm 35, and the lifting platform 24 and the floating joint 26 are driven to finish the descending, the backward tilting and the lifting actions by motor driving and chain transmission; the power chain unit 2 is arranged at the rear part of the main frame 1, the linear guide rail 23 and the guide shaft 19 are respectively fixed on the main frame 1 and the power bracket 5, the supporting lifting device 4 is arranged on the guide sliding block 22, and the front part of the main frame 1 is used for fixing equipment on an intelligent closestool; the device has the characteristics of flexible installation mode, simple and convenient operation, safety, reliability, low cost and the like.
The technical problem to be solved by the toilet auxiliary device for the old is that a power bracket 5 is fixedly arranged on a main frame 1, a main motor 16 is arranged on a motor bracket 6 at the bottom of the power bracket 5, a motor chain wheel 7 is arranged on an output shaft of the main motor 16, and a transmission chain 8 is meshed with the motor chain wheel 7 and a driving chain wheel 14; the driving chain wheel 14 is arranged on the driving main shaft 15; two ends of the driving main shaft 15 are respectively provided with two driving chain wheels 9; the lifting chain 10 is meshed with the driving chain wheel 9 and the upper chain wheel 12, the upper chain wheel 12 is arranged on a chain wheel shaft 13, and the chain wheel shaft 13 is fixed on an upper end supporting plate of the power bracket 5 through a bearing seat 11; the upper and lower ends of the guide shaft 19 are respectively fixed on the front side surface of the power bracket 5 through an upper support 20 and a lower support 17, and the link plate 18 is hinged with the lifting chain 10; the driving sliding block 21 is sleeved on the guide shaft 19 and is connected with the link plate 18; the round shafts at the two ends of the lifting shaft 31 are inserted into the mounting holes of the driving slide block 21, the holes at the upper end of the power swing rod 30 are connected with the lifting shaft 31 in a clearance fit manner, and the hinge holes on the floating joint 26 are connected with the round shafts at the lower end of the power swing rod 30 in a clearance fit manner; the hole at the upper end of the follow-up swing rod 27 is connected with the hinge hole on the floating joint 26 in a clearance fit manner, the hole at the lower end of the follow-up swing rod 27 is connected with the hinge hole on the lifting platform 24 in a clearance fit manner, and the four follow-up swing rods 27 are connected with the lifting platform 24 and the floating joint 26 to form a four-bar mechanism; the two sides of the lifting platform 24 are fixedly connected with the guide slide blocks 22, the guide slide blocks 22 are arranged on the linear guide rails 23, the guide slide blocks 22 slide up and down along the linear guide rails 23, and the linear guide rails 23 are fixed on the inner side of the main frame 1; a support arm 35 is mounted in the support hole of the floating joint 26 by a arm shaft 36; the screw rod sliding block 28 on the motor screw rod 33 is fixedly connected with the floating bracket 29, the floating bracket 29 is connected with the rear part of the floating joint 26, one end of the motor screw rod 33 is fixedly connected with the arm support 34, the other end of the arm support 34 is connected with the rear part of the supporting arm 35, and the screw rod motor 32 is arranged at the top of the motor screw rod 33; the main motor 16 rotates in the forward and reverse directions, the motor chain wheel 7 drives the transmission chain 8 to transmit, the driving chain wheel 14, the driving main shaft 15 and the transmission chain wheel 9 drive the lifting chain 10 to transmit and drive the link plate 18 to move up and down, the link plate 18 is connected with the driving slide block 21, and the driving slide block 21 slides up and down along the guide shaft 19; the driving slide block 21 drives the power swing rod 30 through the lifting shaft 31, the lifting platform 24 is driven to move up and down through the power swing rod 30, and the floating joint 26 is driven to move back and forth under the action of a four-bar mechanism consisting of four follow-up swing rods 27; the screw motor 32 rotates in the forward and reverse directions to drive the motor screw 33 to rotate, so that the screw slider 28 slides linearly along the motor screw 33, thereby changing the distance between the floating bracket 29 and the arm support 34, realizing the up-and-down swinging of the supporting arm 35 relative to the floating joint 26, and enabling the supporting arm 35 to switch between a horizontal position and a drooping position.
The technical scheme of the toilet auxiliary device for the old is as follows:
the toilet auxiliary device for the old mainly comprises a main frame 1, a guide rail device 3, a power chain unit 2, a supporting lifting device 4 and an electric control device; the main frame 1 is used for fixing a guide rail and a power chain unit, the lifting supporting device is connected to the guide slide block 22 and is connected with the power chain unit driving slide block 21 through a power swing rod 30, the main motor 16 is arranged on a motor bracket 6 at the bottom of the power bracket 5, the lifting chain 10 is driven to drive through a transmission chain 8, the lifting platform 24 is driven to vertically lift through the driving slide block 21, a lifting shaft 31 and the power swing rod 30 which are connected with the lifting chain 10, and the lifting platform 24 is connected with the floating joint 26 through a four-bar mechanism consisting of a follow-up swing rod 27, so that the floating joint 26 moves forwards and backwards; the screw rod slide block 28 is fixedly connected with the arm support 34, the screw rod motor 32 is arranged on the upper portion of the motor screw rod 33, the screw rod slide block 28 is driven to move by the rotation direction of the motor screw rod 33 driven by the screw rod motor 32, the supporting arm 35 is hinged on the floating joint 26, and the supporting arm 35 is driven by the screw rod slide block 28 to switch between a horizontal position and a sagging position relative to the floating joint 26.
The guide rail device 3 mainly comprises a lower support 17, a driving slide block 21, a guide shaft 19, an upper support 20, a link plate 18, a guide slide block 22 and a linear guide rail 23; the lower support 17 and the upper support 20 are arranged on the power bracket 5, the guide shaft 19 is fixed in the support holes of the upper support 20 and the lower support 17, the linear guide rail 23 is arranged on the inner side surface of the main frame 1, the guide slide block 22 is sleeved on the linear guide rail 23, and the guide slide block can slide up and down along the linear guide rail 23; the driving slide block 21 is sleeved on the guide shaft 19, the link plate 18 and the driving slide block 21 are fixedly connected together at the outer side, and the link plate 18 is hinged and connected with the lifting chain 10.
The power chain unit 2 mainly comprises a power bracket 5, a motor bracket 6, a motor chain wheel 7, a transmission chain 8, a transmission chain wheel 9, a lifting chain 10, a bearing seat 11, an upper chain wheel 12, a chain wheel shaft 13, a driving chain wheel 14, a driving main shaft 15 and a main motor 16; the motor bracket 6 is positioned at the bottom of the power bracket 5, the main motor 16 is arranged on the motor bracket 6, and the transmission chain 8 is meshed with the motor chain wheel 7 and the driving chain wheel 14; the driving chain wheel 14 is sleeved in the middle of the driving main shaft 15, the driving chain wheel 9 is arranged at two ends of the driving main shaft 15, the lifting chain 10 is meshed with the driving chain wheel 9 and the upper chain wheel 12, the upper chain wheel 12 is arranged on the chain wheel shaft 13, the chain wheel shaft 13 is arranged in a supporting hole of the bearing seat 11, and the bearing seat 11 is fixedly arranged on a supporting plate at the top of the power bracket 5.
The supporting lifting device 4 mainly comprises a lifting platform 24, a shoulder pin shaft 25, a floating joint 26, a follow-up swing rod 27, a screw rod sliding block 28, a floating bracket 29, a power swing rod 30, a lifting shaft 31, a screw rod motor 32, a motor screw rod 33, an arm support 34, a supporting arm 35 and an arm shaft 36; the lifting platform 24 forms a four-bar mechanism through a follow-up swing rod 27, a shoulder pin shaft 25 and a floating joint 26, and a lifting shaft 31 is arranged at the rear part of the floating joint 26 through a power swing rod 30; a support arm 35 is hingedly connected to the front of floating joint 26 by a arm shaft 36; one end of a floating bracket 29 is arranged at the rear part of the floating joint 26, the other end of the floating bracket 29 is arranged on a screw rod sliding block 28, one end of a motor screw rod 33 is connected with one end of an arm support 34, and the other end of the arm support 34 is fixedly connected with the rear part of a supporting arm 35; the screw rod sliding block 28 is linked at one end of the floating bracket 29, and the other end of the floating bracket 29 is fixedly connected to the rear part of the floating joint 26; the lead screw motor 32 is mounted on top of the motor lead screw 33.
The electric control device mainly comprises electric elements such as a PLC, a photoelectric switch, a line position switch, a sensor and the like.
Drawings
The specific construction and operation of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 shows a general external schematic of the present invention.
Fig. 2 shows a schematic diagram of the main power chain unit structure of the present invention.
Fig. 3 shows a schematic view of the guide rail structure of the present invention.
Fig. 4 shows a schematic view of the hinge structure of the arm support of the present invention.
In the figure: 1. the main frame, 2, the power chain unit, 3, the guide rail device, 4, the supporting lifting device, 5, the power bracket, 6, the motor bracket, 7, the motor sprocket, 8, the driving chain, 9, the driving sprocket, 10, the lifting chain, 11, the bearing seat, 12, the upper sprocket, 13, the chain wheel shaft, 14, the driving sprocket, 15, the driving main shaft, 16, the main motor, 17, the lower support, 18, the chain plate, 19, the guide shaft, 20, the upper support, 21, the driving sliding block, 22, the guide sliding block, 23, the linear guide rail, 24, the lifting platform, 25, the shoulder pin shaft, 26, the floating joint, 27, the follow-up swing rod, 28, the lead screw sliding block, 29, the floating bracket, 30, the power swing rod, 31, 32, the lead screw motor, 33, the motor lead screw, 34, the arm support, 35, the supporting arm support, the supporting arm, and 36.
Detailed description of the preferred embodiments
The main motor 16 is fixed on the power bracket 5 through the motor bracket 6, the transmission chain 8 is meshed with the motor chain wheel 7 and the driving chain wheel 14, the driving chain wheel 9 is arranged at two ends of the driving main shaft 15, the upper chain wheel 12 is fixed on the bearing seat 11 through the lifting chain wheel shaft 13, the bearing seat 11 is arranged at the top end of the power bracket 5, and the lifting chain 10 is meshed with the upper chain wheel 12 and the driving chain wheel 9; the main motor 16 rotates positively and reversely to drive the motor chain wheel 7 to rotate positively and reversely synchronously, the motor chain wheel 7 drives the driving chain wheel 14 to rotate through the transmission chain 8, the driving chain wheel 14 rotates to drive the driving main shaft 15 to rotate, and then the transmission chain wheel 9 arranged on the driving main shaft 15 is driven to rotate, so that the transmission of the lifting chain 10 is realized; the driving slide block 21 is arranged on the guide shaft 19, the guide shaft 19 is arranged on the power bracket 5 through an upper support 20 and a lower support 17, the upper support 20 is arranged on the upper part of the power bracket 5, and the lower support 17 is arranged on the lower part of the power bracket 5; the link plate 18 is hinged on the lifting chain 10, and the driving sliding block 21 is fixedly connected with the link plate 18; the linear guide rail 23 is fixed on the inner side of the main frame 1; when the main motor 16 rotates, the motor chain wheel 7 drives the lifting chain 10 to drive through the transmission chain 8, the driving chain wheel 14, the driving main shaft 15 and the transmission chain wheel 9, the link plate 18 is connected with the lifting chain 10, and the link plate 18 drives the driving sliding block 21 to vertically move up and down along the guide shaft 19 along with the lifting chain 10; the lifting shaft 31 is connected in a hole of the driving slide block 21, the middle part of the lifting shaft 31 is inserted into a hole at the upper part of the power swing rod 30 for clearance fit, a cylindrical shaft at the lower part of the power swing rod 30 is connected with a hinge hole at the rear part of the floating joint 26 for clearance fit, the floating joint 26 is hinged with the lifting platform 24 through four follow-up swing rods 27 and eight shoulder pin shafts 25, and the rear part of the lifting platform 24 is fixedly connected with the guide slide block 22; when the main motor 16 rotates, the motor chain wheel 7, the transmission chain wheel 9, the driving chain wheel 14, the transmission chain 8 and the lifting chain 10 drive the link plate 18 and the driving sliding block 21 to slide up and down along the guide shaft 19, and the driving sliding block 21 drives the power swing rod 30 to move through the lifting shaft 31 so as to drive the floating joint 26 to vertically move up and down under the action of the linear guide rail 23 and the guide sliding block 22, so that the lifting and lowering of the supporting lifting device 4 is realized; when the supporting lifting device 4 descends, the lifting platform 24, the floating joint 26 and the supporting arm 35 simultaneously move downwards vertically, and when the lifting platform 24 moves to the lower limit position of the main frame 1, the main motor 16 continues to work at the moment, the driving sliding block 21 is driven to continue to move downwards, and under the action of the four-bar mechanism consisting of the follow-up swing rods 27, the floating joint 26 moves backwards while moving downwards, so that the backward leaning action of a person to be supported is completed; when the main motor 16 rotates reversely, the driving sliding block 21 slides upwards along the guide shaft 19, under the action of the four-bar mechanism, the floating joint 26 moves forwards while moving upwards, so that the gravity center of the body of a person moves forwards, and when the follow-up swinging rod 27 reaches a vertical state, the lifting platform 24 is driven to move upwards together vertically, so that the action of the person to be supported is completed; the floating support 29 is arranged at the rear part of the floating joint 26, the arm support 34 is arranged at the rear part of the supporting arm 35, one end of the motor lead screw 33 is connected with the floating support 29 through the lead screw sliding block 28, the other end of the motor lead screw 33 is connected with the arm support 34, the arm support 34 is hinged with the supporting arm 35, the top of the motor lead screw 33 is provided with the lead screw motor 32, and the supporting arm 35 is connected with the floating joint 26 through the arm shaft 36; the screw motor 32 rotates positively and reversely to drive the motor screw 33 to rotate positively and reversely, the relative position of the screw slider 28 on the motor screw 33 is changed by the rotation of the motor screw 33, and meanwhile, the distance between the floating support 29 and the arm support 34 is changed to drive the supporting arm 35 to rotate by taking the arm shaft 36 as the axis, so that the supporting arm 35 can be converted between the horizontal position and the sagging position relative to the floating joint 26, and the approach, the supporting and the separation of a person to be supported in the toilet process are facilitated.
Claims (1)
1. An old person toilet auxiliary device adopting chain transmission and four-bar mechanisms is characterized by comprising the following components: the main motor (16) is fixed on the power bracket (5) through the motor bracket (6), the transmission chain (8) is meshed with the motor chain wheel (7) and the driving chain wheel (14), the driving chain wheel (9) is arranged at two ends of the driving main shaft (15), the upper chain wheel (12) is fixed on the bearing seat (11) through the lifting chain wheel shaft (13), the bearing seat (11) is arranged at the top end of the power bracket (5), and the lifting chain (10) is meshed with the upper chain wheel (12) and the driving chain wheel (9); the main motor (16) rotates positively and reversely to drive the motor chain wheel (7) to rotate positively and reversely synchronously, the motor chain wheel (7) drives the driving chain wheel (14) to rotate through the transmission chain (8), the driving chain wheel (14) rotates to drive the driving main shaft (15) to rotate, and then the transmission chain wheel (9) arranged on the driving main shaft (15) is driven to rotate, so that the transmission of the lifting chain (10) is realized; the driving sliding block (21) is arranged on the guide shaft (19), the guide shaft (19) is arranged on the power bracket (5) through the upper support (20) and the lower support (17), the upper support (20) is arranged on the upper part of the power bracket (5), and the lower support (17) is arranged on the lower part of the power bracket (5); the link plate (18) is hinged on the lifting chain (10), and the driving sliding block (21) is fixedly connected with the link plate (18); the linear guide rail (23) is fixed on the inner side of the main frame (1); when the main motor (16) rotates, the motor chain wheel (7) drives the lifting chain (10) to drive through the transmission chain (8), the driving chain wheel (14), the driving main shaft (15) and the transmission chain wheel (9), the link plate (18) is connected with the lifting chain (10), and the link plate (18) drives the driving sliding block (21) to vertically move up and down along the guide shaft (19) along with the lifting chain (10); the lifting shaft (31) is connected in a hole of the driving sliding block (21), the middle part of the lifting shaft (31) is inserted into a hole at the upper part of the power swing rod (30), a cylinder shaft at the lower part of the power swing rod (30) is in clearance fit connection with a hinge hole at the rear part of the floating joint (26), the floating joint (26) is hinged with the lifting platform (24) through four follow-up swing rods (27) and eight shoulder pin shafts (25), and the rear part of the lifting platform (24) is fixedly connected with the guide sliding block (22); when the main motor (16) rotates, the motor chain wheel (7), the driving chain wheel (9), the driving chain wheel (14), the driving chain (8) and the lifting chain (10) drive the chain plate (18) and the driving sliding block (21) to slide up and down along the guide shaft (19), and the driving sliding block (21) drives the power swing rod (30) to move through the lifting shaft (31), so that the floating joint (26) is driven to vertically move up and down under the action of the linear guide rail (23) and the guide sliding block (22), and the lifting and lowering of the supporting lifting device (4) is realized; when the supporting lifting device (4) descends, the lifting platform (24), the floating joint (26) and the supporting arm (35) simultaneously move downwards vertically, when the lifting platform (24) moves to the lower limit position of the main frame (1), the downward movement is stopped, at the moment, the main motor (16) continues to work, the driving sliding block (21) is driven to continue to move downwards, and under the action of a four-bar mechanism consisting of the follow-up swinging rod (27), the floating joint (26) moves backwards while moving downwards, so that the backward leaning action of the supported person is completed; when the main motor (16) reversely rotates, the driving sliding block (21) slides upwards along the guide shaft (19), under the action of the four-bar mechanism, the floating joint (26) moves forwards while moving upwards, so that the gravity center of the body of a person moves forwards, and when the follow-up swing rod (27) reaches a vertical state, the lifting platform (24) is driven to vertically move upwards together, so that the action of the person to be assisted is completed; the floating support (29) is arranged at the rear part of the floating joint (26), the arm support (34) is arranged at the rear part of the supporting arm (35), one end of the motor screw (33) is connected with the floating support (29) through the screw slider (28), the other end of the motor screw (33) is connected with the arm support (34), the arm support (34) is hinged with the supporting arm (35), the screw motor (32) is arranged at the top of the motor screw (33), and the supporting arm (35) is connected with the floating joint (26) through the arm shaft (36); the screw motor (32) rotates positively and reversely to drive the motor screw (33) to rotate positively and reversely, the relative position of the screw slider (28) on the motor screw (33) is changed by the rotation of the motor screw (33), and meanwhile, the distance between the floating support (29) and the arm support (34) is changed to drive the supporting arm (35) to rotate by taking the arm shaft (36) as the axis, so that the supporting arm (35) can be converted between the horizontal position and the sagging position relative to the floating joint (26), and the person to be supported can conveniently approach, support and leave in the toilet process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910461151.XA CN110074709B (en) | 2019-05-30 | 2019-05-30 | Old man auxiliary device that uses chain drive and four-bar linkage is like lavatory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910461151.XA CN110074709B (en) | 2019-05-30 | 2019-05-30 | Old man auxiliary device that uses chain drive and four-bar linkage is like lavatory |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110074709A CN110074709A (en) | 2019-08-02 |
| CN110074709B true CN110074709B (en) | 2024-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910461151.XA Active CN110074709B (en) | 2019-05-30 | 2019-05-30 | Old man auxiliary device that uses chain drive and four-bar linkage is like lavatory |
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| Country | Link |
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| CN (1) | CN110074709B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110464243A (en) * | 2019-09-11 | 2019-11-19 | 西南石油大学 | Hydraulic auxiliary uprisal device |
| CN111657778B (en) * | 2020-06-03 | 2021-11-02 | 重庆邮电大学 | Telescopic intelligent toilet assisting device |
| CN112869620B (en) * | 2021-02-20 | 2022-07-01 | 延安大学 | Old person helps stool pot structure based on old person's appearance custom of squatting and designs |
| CN113700109A (en) * | 2021-08-27 | 2021-11-26 | 西唯科技（浙江）有限公司 | Intelligent closestool with safeguard function |
| CN114098501B (en) * | 2021-10-28 | 2024-05-28 | 南京英索兰格科技有限公司 | Toilet auxiliary device for pregnant women |
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