CN112155954B - Auxiliary limb disorder patient moving device - Google Patents
Auxiliary limb disorder patient moving device Download PDFInfo
- Publication number
- CN112155954B CN112155954B CN202010977463.9A CN202010977463A CN112155954B CN 112155954 B CN112155954 B CN 112155954B CN 202010977463 A CN202010977463 A CN 202010977463A CN 112155954 B CN112155954 B CN 112155954B
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- Prior art keywords
- base
- telescopic rod
- main body
- rear arm
- arm
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- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 title claims description 11
- 208000035475 disorder Diseases 0.000 title claims description 11
- 210000003414 extremity Anatomy 0.000 claims description 11
- 210000000245 forearm Anatomy 0.000 claims description 8
- 230000007423 decrease Effects 0.000 claims 1
- 238000013016 damping Methods 0.000 abstract description 12
- 230000003139 buffering effect Effects 0.000 abstract description 6
- 239000000725 suspension Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 11
- 230000009194 climbing Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 208000012661 Dyskinesia Diseases 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000003197 gene knockdown Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/04—Wheeled walking aids for patients or disabled persons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/01—Constructive details
- A61H2201/0165—Damping, vibration related features
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Public Health (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Veterinary Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Pain & Pain Management (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Epidemiology (AREA)
- Mechanical Engineering (AREA)
- Rehabilitation Tools (AREA)
Abstract
The invention relates to a mobile device for assisting patients with limb disorder, which comprises a base and a vertical bracket, wherein the base is horizontally arranged, the vertical bracket is arranged above the base, the base is provided with two front arms which are respectively arranged at the front side and the rear side of the base, one end of each front arm is hinged with the base through a first torsion spring, the other end of each front arm faces to the left and the lower side, and the other end of each front arm is connected with a front wheel through a one-way bearing; the base is provided with two rear arms which are respectively arranged at the front side and the rear side of the base, one end of each rear arm is hinged with the base through a second torsion spring, the other end of each rear arm faces to the right and lower side, the rear arm is provided with a plurality of auxiliary wheels which are uniformly distributed along the length direction of the rear arm, and the auxiliary wheel at the lowest side is rotationally connected with the other end of the rear arm; the invention has good damping and buffering performance, and can prevent the suspension of individual rollers; in addition, the invention has the function of preventing the backward sliding and has higher use safety.
Description
Technical Field
The invention relates to the technical field of walking aids, in particular to a mobile device for assisting patients with limb obstruction.
Background
Patients with limb disorder, especially lower limb dyskinesia, mostly need to walk with the aid of a walker to realize normal life, and the existing walker is a simple frame structure matched with a bottom roller in a structural mode, and has some defects even though the safety auxiliary effect can be realized.
Firstly, the existing walker adopts smaller rollers, is extremely easy to sink into and be blocked when encountering larger hollow ground, and brings inconvenience and potential safety hazard to users; secondly, the existing walker has no damping and buffering effects, and the user can easily fall down when using the walker as an auxiliary support; finally, the existing walker cannot cross steps, stairs and larger obstacles, and the walker needs to be moved forwards every two steps when in use, so that the walker can continuously move forwards, the operation is inconvenient, and danger is easy to cause.
Disclosure of Invention
Aiming at the situation, in order to make up the technical defects in the prior art, the invention provides a device for assisting a patient with limb disorder to move, which aims to solve the problems that the existing walker is easy to sink into a hollow road section, has poor damping effect and cannot cross a larger obstacle.
The technical scheme for solving the problems is as follows: the device comprises a base and a vertical bracket, wherein the base is horizontally arranged, the vertical bracket is arranged above the base, two front arms are respectively arranged on the front side and the rear side of the base, one end of each front arm is hinged with the base through a first torsion spring to realize a damping effect, the other end of each front arm faces to the left and the lower side, the other end of each front arm is connected with a front wheel through a one-way bearing, and the one-way bearing is used for limiting the rotation direction of the front wheel so as to prevent the device from reversing; the base on have two rear arms of arranging in the base front and back both sides respectively, the one end of rear arm is articulated with the base through the second torsional spring in order to realize the shock attenuation effect, the other end of rear arm towards lower right and on the rear arm have a plurality of auxiliary wheels of following rear arm length direction equipartition, the bottommost auxiliary wheel rotates with the other end of rear arm and is connected.
Preferably, the forearm is formed by sliding and telescopic connection of a main body and a telescopic rod, wherein the main body is hinged with the base through a front shaft, and specifically: the front axle is fixedly connected with the main body, is rotationally connected with the base and is connected with the base through a first torsion spring so as to realize the damping effect of the front arm; one end of the telescopic rod is elastically and slidably connected with the main body along the length direction of the telescopic rod, and the other end of the telescopic rod is rotatably connected with the front wheel through a one-way bearing; the main body is provided with a gear which is coaxially arranged with the front shaft, the gear is coaxially connected with the front shaft through a one-way clutch in a transmission way, the main body is provided with a rack which is meshed with the gear, the length direction of the rack is consistent with the length direction of the telescopic rod, and the rack is connected with the telescopic rod.
The invention has good damping and buffering performance, is more comfortable when in use, and meanwhile, the rollers are mutually independent, so that the condition that individual rollers are suspended can be prevented, and potential safety hazards caused by suspended support are eliminated; in addition, the invention has the function of preventing the user from being knocked down, and can improve the use safety under special conditions such as climbing up slopes, climbing stairs and the like.
Drawings
Fig. 1 is a front view of the present invention.
FIG. 2 is a cross-sectional view A-A of the present invention.
Fig. 3 is a cross-sectional view of fig. 2B-B in accordance with the present invention.
Fig. 4 is an isometric view of the present invention.
Fig. 5 is a perspective view of the present invention.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the drawings.
As shown in fig. 1 to 5, the invention comprises a base 1 arranged horizontally and a vertical bracket 2 arranged above the base 1, wherein the base 1 is provided with two front arms 3 respectively arranged at the front side and the rear side of the base 1, one end of each front arm 3 is hinged with the base 1 through a first torsion spring 4 to realize a damping effect, the other end of each front arm 3 faces to the left and the lower side, the other end of each front arm 3 is connected with a front wheel 6 through a one-way bearing 5, and the one-way bearing 5 is used for limiting the rotation direction of the front wheel 6, so that the front wheels 6 can only rotate anticlockwise on the front arms 3 so as to prevent the device from running backwards; the base 1 is provided with two rear arms 7 respectively arranged at the front side and the rear side of the base 1, one end of each rear arm 7 is hinged with the base 1 through a second torsion spring 8 to realize a damping effect, the other end of each rear arm 7 faces to the right and lower side, the rear arm 7 is provided with a plurality of auxiliary wheels 9 uniformly distributed along the length direction of the rear arm 7, and the auxiliary wheel 9 at the lowest side is rotationally connected with the other end of the rear arm 7; during normal running, the front arm 3 and the rear arm 7 generate damping and buffering effects under the torsion action of two torsion springs, and when the front wheel 6 encounters resistance, the front arm 3 is forced to swing upwards, so that the front wheel 6 passes over a barrier on the premise that the device is kept relatively stable; when the auxiliary wheels 9 meet the resistance, the rear arm 7 swings upwards under the force, so that a plurality of auxiliary wheels 9 are in rolling contact with the obstacle to cross the obstacle, vibration of the device can be reduced, and the phenomenon that the rear arm 7 rubs with the obstacle to affect the advancing of the device can be avoided.
Further, the forearm 3 is formed by slidably and telescopically connecting a main body 10 and a telescopic rod 11, wherein the main body 10 is hinged with the base 1 through a front shaft 12, and specifically: the front shaft 12 is fixedly connected with the main body 10, the front shaft 12 is rotationally connected with the base 1, and the front shaft 12 is connected with the base 1 through the first torsion spring 4 so as to realize the damping effect of the front arm 3; one end of the telescopic rod 11 is elastically and slidably connected with the main body 10 along the length direction of the telescopic rod 11, and the other end of the telescopic rod 11 is rotatably connected with the front wheel 6 through the one-way bearing 5; the main body 10 is provided with a gear 13 coaxially arranged with the front shaft 12, the gear 13 is coaxially connected with the front shaft 12 through a one-way clutch 14 in a transmission way, the main body 10 is provided with a rack 15 meshed with the gear 13, the length direction of the rack 15 is consistent with the length direction of the telescopic rod 11, the rack 15 is connected with the telescopic rod 11, and when the gear 13 and the rack 15 are arranged in the main body 10, the main body 10 is provided with a containing cavity or a containing groove corresponding to the gear 13 and the rack 15.
When the front wheel 6 is used, the front wheel 6 is vibrated up and down by the upward reaction force of the ground in the normal running state, and the front arm 3 is forced to swing to generate a damping and buffering effect; when the front wheel 6 meets the obstacle, the front wheel 6 is simultaneously acted by the upward reaction force of the ground and the component force of the obstacle in the horizontal direction, so that the front arm 3 swings upwards and the telescopic rod 11 retracts into the main body 10; therefore, the rack 15 moves synchronously with the telescopic rod 11 to drive the gear 13 to rotate clockwise, and the one-way clutch 14 is in a transmission state at the moment, so that the front shaft 12 rotates in the same direction with the gear 13 to drive the main body 10 to rotate synchronously, and the front arm 3 further swings upwards, so that an obstacle can be more easily overcome; after the front wheel 6 passes over the obstacle, the forearm 3 resets the lower hem under the torsion action of the first torsion spring 4, the telescopic rod 11 drives the rack 15 to elastically reset and slide and drives the gear 13 to rotate anticlockwise, the one-way clutch 14 is in a free rotation state at the moment, the anticlockwise rotation of the gear 13 is not influenced by the state of the front shaft 12, and the telescopic rod 11 is reset smoothly, so that the next obstacle avoidance is ensured to be implemented smoothly.
Further, the telescopic rod 11 and the main body 10 are connected through a spring 16, and the elastic direction of the spring 16 is consistent with the sliding direction of the telescopic rod 11, so that the telescopic rod 11 and the main body 10 elastically slide.
Further, the rack 15 is connected to the main body 10 via a spring 16, and the spring force direction of the spring 16 is consistent with the sliding direction of the telescopic rod 11, so that the rack 15, that is, the telescopic rod 11 and the main body 10 elastically slide.
Further, the diameters of the auxiliary wheels 9 are sequentially reduced from bottom to top, so that the auxiliary wheels 9 can better realize rolling contact with the obstacle when the obstacle is cleared.
Further, the base 1 is of a horizontally arranged U-shaped structure, and the bracket 2 is of a U-shaped structure frame matched with the base 1, so that a user can stand in the base, and a certain safety protection can be provided for the user.
Further, the support 2 is provided with handrails 17 to facilitate the holding and exerting force by the user.
Furthermore, the support 2 is provided with two support plates 18 which are symmetrically arranged back and forth, and a user can support the armpits by utilizing the support plates 17 so as to further improve the stability of the body and the use safety.
Further, the base 1 is provided with swing limiting and stopping structures corresponding to the front arm 3 and the rear arm 7 respectively, and the swing limiting and stopping structures are used for limiting a swing interval of the front arm 3 and the rear arm 7, so that the base 1 is prevented from being directly contacted with the ground due to the fact that the upward swing amplitude of the front arm 3 and the rear arm 7 is too large, and the whole device is prevented from being unstable due to the fact that the downward swing amplitude of the front arm 3 and the rear arm 7 is too large; the limit stop structure can be easily realized by common technical means such as a stop block, a limit groove and the like, and is not repeated in the specification.
Further, the front wheels 6 and the auxiliary wheels 9 adopt large-diameter rollers so as to more easily cope with complex ground and avoid the rollers from sinking into a hollow road.
Further, the auxiliary wheels 9 are respectively connected with the rear arm 7 in a rotating way through the unidirectional bearing 5, so that the anti-reversing effect is further improved, and the safety of users is ensured.
The walking aid body formed by the base 1 and the bracket 2 is connected with the rollers (the front wheel 6 and the auxiliary wheel 9) by adopting the two groups of elastic swing arms, so that the whole device can effectively absorb jolt vibration of the ground in the walking process, has good damping and buffering performances, and improves the comfort level of a user; the four rollers are mutually independent, so that a complex road surface can be effectively treated in the use process, the condition that individual rollers are suspended is prevented, the ground grabbing effect of the rollers is improved, the effective supporting performance of the whole device is ensured, and potential safety hazards caused by suspended supporting are eliminated; the invention adopts the front wheel 6 which rotates unidirectionally, so that the device can only move forward but not backward, the device can be prevented from sliding backward to knock down the user under the unexpected conditions of unbalance, force release and the like of the body of the user, and simultaneously, the device can be prevented from sliding backward under the action of gravity and being difficult to control when climbing up a slope or climbing stairs, and the use safety is improved.
The linkage mechanism which is composed of the main body, the telescopic rod, the gear rack mechanism and the one-way clutch further improves the practical use effect of the invention, under the linkage cooperation of the components, the horizontal force applied to the front wheel is converted into the upward swinging force of the front arm, so that the front wheel rolls and rises along the side surface of the obstacle until the front wheel passes over the obstacle, the large obstacle can be effectively treated, and the road surface which only generates horizontal resistance to the front wheel such as stairs and steps can be directly treated, thereby ensuring that a user does not need to lift the walker off the ground when encountering stones, pothole sections, stairs or steps, and the telescopic rod can easily pass through the telescopic rod by retracting the telescopic rod only by applying horizontal thrust to the base through the support, and the telescopic rod is safer and more convenient.
Claims (7)
1. The utility model provides an auxiliary limb disorder patient mobile device, includes base (1) and arranges vertical support (2) above base (1), its characterized in that, base (1) on have two forearm (3) of arranging in base (1) front and back both sides respectively, one end and base (1) of forearm (3) are articulated through first torsional spring (4), the other end of forearm (3) is towards left lower side and the other end of forearm (3) is connected with front wheel (6) through one-way bearing (5); two rear arms (7) which are respectively arranged at the front side and the rear side of the base (1) are arranged on the base (1), one end of each rear arm (7) is hinged with the base (1) through a second torsion spring (8), the other end of each rear arm (7) faces to the right and the lower side, a plurality of auxiliary wheels (9) which are uniformly distributed along the length direction of each rear arm (7) are arranged on each rear arm (7), and the auxiliary wheel (9) at the lowest side is rotationally connected with the other end of each rear arm (7);
the forearm (3) is composed of a main body (10) and a telescopic rod (11), wherein the main body (10) is hinged with the base (1) through a front shaft (12): the front shaft (12) is fixedly connected with the main body (10), the front shaft (12) is rotationally connected with the base (1), and the front shaft (12) is connected with the base (1) through a first torsion spring (4); one end of the telescopic rod (11) is elastically and slidably connected with the main body (10), and the other end of the telescopic rod (11) is rotatably connected with the front wheel (6) through a one-way bearing (5); the main body (10) is provided with a gear (13) coaxially arranged with the front shaft (12), the gear (13) is connected with the front shaft (12) through a one-way clutch (14), the main body (10) is provided with a rack (15) meshed with the gear (13), the length direction of the rack (15) is consistent with the length direction of the telescopic rod (11), and the rack (15) is connected with the telescopic rod (11).
2. The device for assisting movement of a patient with limb disorder according to claim 1, wherein the telescopic rod (11) is connected with the main body (10) via a spring (16), and the direction of the elastic force of the spring (16) is consistent with the sliding direction of the telescopic rod (11), so that the telescopic rod (11) and the main body (10) elastically slide.
3. The device for assisting movement of a patient with limb disorder according to claim 1, wherein the rack (15) is connected to the main body (10) via a spring (16), and the direction of the spring force of the spring (16) is in accordance with the sliding direction of the telescopic rod (11), so that the rack (15), i.e., the telescopic rod (11), and the main body (10) are elastically slid.
4. A patient movement device for assisting limb disorders according to claim 1, wherein the diameter of the plurality of auxiliary wheels (9) decreases in sequence from bottom to top.
5. The device for assisting patients with limb disorders to move according to claim 1, wherein the base (1) is of a horizontally arranged U-shaped structure, and the vertical support (2) is of a U-shaped structure matched with the base (1).
6. A patient movement device for assisting limb disorders according to claim 1, characterised in that the vertical support (2) is provided with armrests (17).
7. A patient movement device for assisting limb disorders according to claim 1, characterised in that the vertical support (2) has two support plates (18) arranged symmetrically back and forth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010977463.9A CN112155954B (en) | 2020-09-17 | 2020-09-17 | Auxiliary limb disorder patient moving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010977463.9A CN112155954B (en) | 2020-09-17 | 2020-09-17 | Auxiliary limb disorder patient moving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112155954A CN112155954A (en) | 2021-01-01 |
| CN112155954B true CN112155954B (en) | 2023-05-12 |
Family
ID=73858132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010977463.9A Active CN112155954B (en) | 2020-09-17 | 2020-09-17 | Auxiliary limb disorder patient moving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112155954B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203379337U (en) * | 2013-07-16 | 2014-01-08 | 淮阴卫生高等职业技术学校 | Walking aid vehicle |
| CN204225022U (en) * | 2014-11-14 | 2015-03-25 | 北华航天工业学院 | A kind of easy de-watering apparatus |
| TWM499218U (en) * | 2014-12-12 | 2015-04-21 | Univ Shu Te | Multi-function rehabilitation, walk assisting device |
| KR101673166B1 (en) * | 2016-05-10 | 2016-11-07 | (재)예수병원유지재단 | Walking aid apparatus for Gait disturbance |
| CN107137208B (en) * | 2017-05-08 | 2019-06-14 | 河北工业大学 | A kind of walking aid device with slope road walk help function |
| CN107953937B (en) * | 2017-12-01 | 2020-02-11 | 北京履坦科技有限公司 | Improved structure of walking system of walking combined type mobile robot |
| CN108635181A (en) * | 2018-05-22 | 2018-10-12 | 上海应用技术大学 | A kind of multifunctional walking aid rehabilitation image training robot |
| CN210083406U (en) * | 2019-04-19 | 2020-02-18 | 李增志 | Automatic lifting safety auxiliary wheel for two-wheeled electric vehicle and motorcycle |
-
2020
- 2020-09-17 CN CN202010977463.9A patent/CN112155954B/en active Active
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| Publication number | Publication date |
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| CN112155954A (en) | 2021-01-01 |
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