CN215900134U - Moped based on planar four-bar mechanism layout - Google Patents
Moped based on planar four-bar mechanism layout Download PDFInfo
- Publication number
- CN215900134U CN215900134U CN202122102050.9U CN202122102050U CN215900134U CN 215900134 U CN215900134 U CN 215900134U CN 202122102050 U CN202122102050 U CN 202122102050U CN 215900134 U CN215900134 U CN 215900134U
- Authority
- CN
- China
- Prior art keywords
- planar
- connecting rod
- seat
- support
- bar mechanism
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 21
- 238000005452 bending Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 abstract description 5
- 238000010030 laminating Methods 0.000 abstract 1
- 238000004088 simulation Methods 0.000 abstract 1
- 230000035882 stress Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 210000001624 hip Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000036544 posture Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 210000002414 leg Anatomy 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 206010005963 Bone formation increased Diseases 0.000 description 1
- 201000006474 Brain Ischemia Diseases 0.000 description 1
- 206010008120 Cerebral ischaemia Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 208000007502 anemia Diseases 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 206010008118 cerebral infarction Diseases 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 210000004394 hip joint Anatomy 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 210000000629 knee joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
Images
Landscapes
- Rehabilitation Tools (AREA)
Abstract
The moped based on the layout of the planar four-bar mechanism is characterized in that guide rods for mounting guide wheels are symmetrically arranged at the front end of the frame, one end of the planar four-bar mechanism is mounted on the frame positioned at the rear side of the guide rods, the other end of the planar four-bar mechanism is mounted on a connecting rod, a base plate of the seat is mounted on the connecting rod, handrails are symmetrically arranged on two sides of the seat and fixed on the connecting rod, and a hand wheel is arranged on one side of the seat; a support is arranged at the rear end of the frame, grooves for mounting a travelling shaft are symmetrically formed in the middle of the top of the support, travelling wheels are mounted on the travelling shaft, electric push rods are symmetrically arranged at the bottom of the inner side of the support, the electric push rods are hinged with a connecting rod positioned below the bottom plate, and a travelling motor connected with the travelling shaft is arranged on the support; adopt plane four-bar linkage simulation human body to sit up the motion, adjust the seat gesture through the hand wheel to adjust the seat to with human trunk laminating, thereby help the user easily sit up the action, old person operates alone and uses.
Description
Technical Field
The utility model relates to the technical field of power assisting devices, in particular to a power assisting vehicle based on a planar four-bar mechanism layout.
Background
China is entering an aging society, a large number of aging population exists at the present stage and later, all aspects of body functions of the old people are degenerated in different degrees, the old people gradually become short along with the growth of age, hyperosteogeny in waist and lower legs and hand and foot weakness occur, and simultaneously, as the vascular wall of the old people becomes hard and has poor elasticity, when the old people do actions such as bending down, lowering head greatly and recovering normal body positions from sitting postures, blood in the trunk of the body rapidly flows, the brain is anaemic, two eyes are blackened easily, the old people cannot stand stably, and even fall down. According to the investigation of disease control and prevention center, 80% of the elderly over 65 have weakness, inconvenient movement or retardation of hands and feet when sitting down and lifting up.
Have the different helping hand of various forms to get up, off-line position device on the helping hand on the market at present, or need user's both hands help the help to get up hard, or need its use of family's help, the old person of being not convenient for uses in service function, does not accomplish fine adaptation to different old person's health individuality simultaneously, and service function is comparatively single.
SUMMERY OF THE UTILITY MODEL
The utility model provides a moped based on a planar four-bar mechanism layout, which aims to solve the problems in the background art.
The technical problem solved by the utility model is realized by adopting the following technical scheme:
the moped based on the layout of the planar four-bar mechanism comprises a driving motor, a seat, an electric push rod, a guide wheel, the planar four-bar mechanism, a rack, a connecting rod, handrails, a hand wheel and a driving wheel, wherein the front end of the rack is symmetrically provided with the guide rod for mounting the guide wheel, the rack positioned at the rear side of the guide rod is provided with the planar four-bar mechanism, the planar four-bar mechanism consists of two pairs of lower connecting rods and upper connecting rods, one end of each lower connecting rod and one end of each upper connecting rod are mounted on the outer side of the rack, the other ends of the lower connecting rods and the other ends of the upper connecting rods are mounted on the connecting rod, a bottom plate of the seat is arranged on the connecting rod, the handrails are symmetrically arranged on two sides of the seat and fixed on the connecting rod, the hand wheel is arranged on one side of the seat, one end of the hand wheel is connected with the connecting rod, and the other end of the hand wheel is connected with the seat; the electric vehicle traveling device is characterized in that a support is arranged at the rear end of the rack, grooves for mounting a traveling shaft are symmetrically formed in the middle of the top of the support, the traveling wheels are mounted on the traveling shaft, a traveling motor connected with the traveling shaft is arranged on the support, electric push rods are symmetrically arranged at the bottom of the inner side of the support, and the electric push rods are hinged to a connecting rod located below the bottom plate.
In the utility model, the guide rod is provided with the inclined fork, and the guide wheel is arranged on the inclined fork through a pin.
In the utility model, the groove is a U-shaped groove.
In the utility model, the bottom of the inner side of the support is symmetrically provided with mounting sockets for mounting the electric push rod.
In the utility model, the electric push rod is a stepping motor electric push rod.
The handrail comprises an installation section, a holding section, a supporting section and a bending section, wherein the installation section is fixed on the connecting rod, the holding section is of an arc-shaped structure, and the supporting section is nested with the rubber sleeve.
Has the advantages that:
1. the utility model adopts a plane four-bar mechanism to simulate the sitting-up movement of a human body, adjusts the posture of the seat through a hand wheel, and adjusts the seat to be attached to the trunk of the human body, thereby helping a user to easily finish the sitting-up action, thoroughly overcoming the defect that the prior power assisting device needs the user to pull the hands hard or needs the assistance of family members, enabling the old person to operate and use alone, avoiding the actions of excessively bending waist and the like during the operation, and avoiding the situations of falling down or blood pressure rising and the like caused by cerebral ischemia during the sitting-up action of the old person to the maximum extent;
2. the main structure of the utility model is processed by adopting novel sectional materials, elements such as a driving motor, a motor push rod, a storage battery and the like in the power device are purchased outside, the use requirement is met, and the cost is reduced as much as possible, so that the product has higher price competitive advantage in the market.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.
Fig. 2 is a front view of the preferred embodiment of the present invention.
Fig. 3 is a side view of the preferred embodiment of the present invention.
Fig. 4 is a schematic diagram of a rack structure in a preferred embodiment of the utility model.
FIG. 5 is a schematic view of the movement of the planar four-bar linkage in the folded condition of the seat in accordance with the preferred embodiment of the present invention.
Fig. 6 is a schematic diagram of the planar four-bar linkage movement of the chair in the booster standing state according to the preferred embodiment of the utility model.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further explained below by combining the specific drawings.
Referring to fig. 1, the moped based on the planar four-bar linkage layout comprises an oblique fork 1, a traveling motor 2, a screw 3, a seat 4, an electric push rod 5, a connecting rod screw 6, a pin 7, a guide wheel 8, a lower side link 9, an upper side link 10, a frame 11, a connecting rod 12, a handrail 13, a hand wheel 14, a bearing 15, a support 16, a traveling wheel 17 and a mounting socket 18, wherein the front end of the frame 11 is symmetrically provided with the guide rod for mounting one end of the oblique fork 1, the guide wheel 8 is mounted at the other end of the oblique fork 1 through the pin 7, the planar four-bar linkage is arranged on the frame 11 located at the rear side of the guide rod, the planar four-bar linkage is composed of two pairs of the lower side link 9 and the upper side link 10, one end of the lower side link 9 and one end of the upper side link 10 are mounted outside the frame 11 through the connecting rod screw 6, the other end of the lower side link 9 and the other end of the upper side link 10 are mounted on the connecting rod 12 through the connecting rod screw 6, the bottom plate of the seat 4 is arranged on the connecting rod 12, the armrests 13 are symmetrically arranged on two sides of the seat 4 and fixed on the connecting rod 12, the hand wheel 14 is arranged on one side of the seat 4, one end of the hand wheel 14 is connected with the connecting rod 12, and the other end of the hand wheel 14 is connected with the seat 4; the rear end of the frame 11 is provided with a support 16, the middle part of the top of the support 16 is symmetrically provided with a U-shaped groove for installing a traveling shaft, a traveling wheel 17 is installed on the traveling shaft through a bearing 15, a traveling motor 2 connected with the traveling shaft is arranged on the support 16, the bottom of the inner side of the support 16 is symmetrically provided with an installation socket 18 for installing one end of an electric push rod 5, and the other end of the electric push rod 5 is hinged to a connecting rod 12 through a screw 3.
In this embodiment, the electric push rod 5 is a stepping motor electric push rod.
In this embodiment, the handrail 13 is composed of an installation section, a holding section, a supporting section and a bending section, the installation section is fixed on the connecting rod 12, the holding section is of an arc-shaped structure, and the supporting section is nested with a rubber sleeve.
In this embodiment, for the elderly people in different situations, auxiliary driving components such as night lamp illumination, buzzer alarm, backing voice prompt, GPS Beidou positioning and the like are arranged on the frame 11, so that the use safety is improved to the greatest extent.
In this embodiment, by analyzing the whole process of the sitting-up movement of the human body, it can be known that the sitting-up movement of the human body is a movement with three degrees of freedom, which is a rotation movement of the bare joint, the knee joint and the hip joint, and therefore, the sitting-up movement of the human body is divided into three stages: a first stage preparation stage, in which the human body leans forward to find the gravity center, and the gravity center can fall on the feet; in the second stage, a force is applied, the body leaves the seat, the muscles start to apply work, and the angles of the three joints are opened to the maximum angle when the three joints are upright; a third stage, namely an ascending stage, wherein the body is adjusted by some and is in a completely standing state, wherein a preparation stage and a force application stage are the most important two stages in the human body sitting-up process, through the analysis, a planar four-bar mechanism is arranged, and the posture of the seat 4 is easily adjusted by a hand wheel 14 when a user sits down or stands up to realize an auxiliary power assisting process, as shown in fig. 5, when the seat 4 is in a folded state, the pressure angle is 39 degrees, the stress point of the upper connecting rod 10 and the frame 11 is D, the stress point of the lower connecting rod 9 and the frame 11 is A, the stress point of the lower connecting rod 9 and the connecting rod 12 is B, the stress point of the upper connecting rod 10 and the connecting rod 12 is C, the stress point of the connecting rod 12 and the electric push rod 5 is E, and the stress point of the electric push rod 5 and the frame 11 is F; when the seat 4 finishes assisting in rising and is positioned at the highest limit position, as shown in fig. 6, the maximum pressure angle of the planar four-bar mechanism is 52 degrees, the transmission angle is 38 degrees, the planar four-bar mechanism cannot be self-locked, and the embarrassment that old people cannot get well in waist and legs and cannot move conveniently when using or sitting is effectively changed and relieved; meanwhile, the backrest of the seat 4 adopts a rotating wheel mechanism, and the inclination angle of the backrest is adjustable so as to adapt to people with different body conditions.
Claims (7)
1. A moped based on the layout of a planar four-bar mechanism comprises a driving motor, a seat, an electric push rod, a guide wheel, a planar four-bar mechanism, a frame, a connecting rod, a handrail, a hand wheel and a driving wheel, it is characterized in that the front end of the frame is symmetrically provided with guide rods for installing guide wheels, a plane four-bar mechanism is arranged on the frame positioned at the rear side of the guide rods, the plane four-bar mechanism consists of two pairs of lower side link rods and upper side link rods, one end of the lower side link and one end of the upper side link are arranged outside the frame, the other end of the lower side link and the other end of the upper side link are arranged on the connecting rod, the bottom plate of the chair is arranged on the connecting rod, the armrests are symmetrically arranged on two sides of the chair and fixed on the connecting rod, the hand wheel is arranged on one side of the seat, one end of the hand wheel is connected with the connecting rod, and the other end of the hand wheel is connected with the seat; the electric vehicle traveling device is characterized in that a support is arranged at the rear end of the rack, grooves for mounting a traveling shaft are symmetrically formed in the middle of the top of the support, the traveling wheels are mounted on the traveling shaft and connected with a traveling motor arranged on the support, electric push rods are symmetrically arranged at the bottom of the inner side of the support and hinged to a connecting rod located below the bottom plate.
2. The moped based on the planar four-bar linkage layout as recited in claim 1, wherein the guide bar is provided with a diagonal fork, and the guide wheel is mounted on the diagonal fork through a pin.
3. The moped based on the planar four-bar linkage layout according to claim 1, wherein the groove is a U-shaped groove.
4. The moped based on the planar four-bar linkage layout as claimed in claim 1, wherein the bottom of the inner side of the support is symmetrically provided with mounting sockets for mounting electric push rods.
5. The moped based on the planar four-bar linkage layout according to claim 1, wherein the electric push rod is a stepping motor electric push rod.
6. The moped based on the planar four-bar linkage layout as recited in claim 1, wherein the handrail is composed of a mounting section, a holding section, a supporting section and a bending section.
7. The moped based on the planar four-bar mechanism layout as recited in claim 6, wherein the mounting section is fixed on the connecting rod, the holding section is of an arc structure, and the supporting section is nested with a rubber sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122102050.9U CN215900134U (en) | 2021-09-02 | 2021-09-02 | Moped based on planar four-bar mechanism layout |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122102050.9U CN215900134U (en) | 2021-09-02 | 2021-09-02 | Moped based on planar four-bar mechanism layout |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215900134U true CN215900134U (en) | 2022-02-25 |
Family
ID=80293402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122102050.9U Expired - Fee Related CN215900134U (en) | 2021-09-02 | 2021-09-02 | Moped based on planar four-bar mechanism layout |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215900134U (en) |
-
2021
- 2021-09-02 CN CN202122102050.9U patent/CN215900134U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2568944B1 (en) | Seat assembly | |
| CN106983619B (en) | A kind of transfer and transport nursing robot | |
| CN110859711B (en) | Elderly Assisted Standing Wheelchair | |
| CN110101330A (en) | A kind of toilet seat assistor with lifting device | |
| CN110859723B (en) | Assisted standing trolley with lumbar support | |
| CN111096862A (en) | Wheelchair seat backrest system and standing wheelchair with same | |
| CN211093699U (en) | Auxiliary standing device for toilet | |
| TWI693933B (en) | Multifunctional wheelchair | |
| JP3032746B2 (en) | wheelchair | |
| CN210728175U (en) | Multifunctional mobility chair | |
| CN114795708B (en) | Auxiliary standing equipment | |
| CN216876947U (en) | a displacement device | |
| CN215900134U (en) | Moped based on planar four-bar mechanism layout | |
| CN112369849B (en) | Multifunctional tilt-push elderly chair | |
| CN212631076U (en) | Novel multifunctional wheelchair capable of standing | |
| CN210785057U (en) | Wheelchair with pedal convenient to lift up | |
| KR20210120691A (en) | wheel style portable toilet which is able to a boarding sitting posture | |
| CN216316610U (en) | Auxiliary rising device and leisure chair | |
| CN214806119U (en) | Intelligent auxiliary sitting-up wheelchair | |
| JP2005040346A (en) | Height movable chair | |
| JP2004243075A (en) | One's own effort assisting chair for assisting standing-up | |
| CN210096121U (en) | Wheelchair with adjustable backrest and pedal angle | |
| CN210904856U (en) | Electric handstand | |
| CN110464609A (en) | Multi-functional device of helping the elderly | |
| JP2011024689A (en) | Standing-up support chair |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220225 |