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CN109163051A - A kind of damper for wheelchair - Google Patents

A kind of damper for wheelchair Download PDF

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Publication number
CN109163051A
CN109163051A CN201811099756.0A CN201811099756A CN109163051A CN 109163051 A CN109163051 A CN 109163051A CN 201811099756 A CN201811099756 A CN 201811099756A CN 109163051 A CN109163051 A CN 109163051A
Authority
CN
China
Prior art keywords
column
wheelchair
connecting column
installing pipe
section
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.)
Granted
Application number
CN201811099756.0A
Other languages
Chinese (zh)
Other versions
CN109163051B (en
Inventor
田英
伍尚伶
黎铸新
赖奕骏
郭芮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan University
Original Assignee
Foshan University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Foshan University filed Critical Foshan University
Priority to CN201811099756.0A priority Critical patent/CN109163051B/en
Publication of CN109163051A publication Critical patent/CN109163051A/en
Application granted granted Critical
Publication of CN109163051B publication Critical patent/CN109163051B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression 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
    • F16F15/022Suppression 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 dampers and springs in combination
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10Parts, details or accessories
    • A61G5/1078Parts, details or accessories with shock absorbers or other suspension arrangements between wheels and frame
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression 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
    • F16F15/04Suppression 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
    • F16F15/046Suppression 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 using combinations of springs of different kinds
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression 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
    • F16F15/04Suppression 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
    • F16F15/08Suppression 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 rubber springs ; with springs made of rubber and metal

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Vibration Prevention Devices (AREA)
  • Road Signs Or Road Markings (AREA)

Abstract

本发明公开了一种用于轮椅的减震器,包括安装管,还包括端盖,端盖的底部与安装管的顶部相连,端盖内还设有弹簧、刮片,弹簧的顶端与端盖的顶端连接,刮片的内端与弹簧固接,刮片的外端抵接端盖的内侧面;安装管内从上到下依次设有固定圈、弹性柱、下连接柱,下连接柱的底部设有用于与轮椅的滚动部件连接的连接段;还包括上连接柱,上连接柱包括柱头、设于柱头下方并柱头固接的柱身,柱头设于固定圈上方,柱身的底端依次穿过固定圈和弹性柱,柱身的底端与下连接柱的顶端连接,弹簧的底端与柱头之间设有间距。轮椅震动时,本发明的一种用于轮椅的减震器能够帮助推轮椅的人判断轮椅受震的情况,选择适合推轮椅的路段。

The invention discloses a shock absorber for a wheelchair, comprising an installation pipe and an end cover, the bottom of the end cover is connected with the top of the installation pipe, a spring and a scraper are also arranged in the end cover, and the top end of the spring is connected to the end cover. The top end of the cover is connected, the inner end of the scraper is fixed with the spring, and the outer end of the scraper abuts the inner side of the end cover; the installation tube is provided with a fixing ring, an elastic column, a lower connecting column, and a lower connecting column in order from top to bottom. The bottom of the wheelchair is provided with a connecting section for connecting with the rolling parts of the wheelchair; it also includes an upper connecting column, the upper connecting column includes a column head, a column body arranged below the column head and fixed to the column head, the column head is set above the fixed ring, and the bottom of the column body is The ends pass through the fixing ring and the elastic column in turn, the bottom end of the column body is connected with the top end of the lower connecting column, and the bottom end of the spring and the column head are provided with a gap. When the wheelchair vibrates, the shock absorber for the wheelchair of the present invention can help the person pushing the wheelchair to judge the shock condition of the wheelchair and select a road section suitable for pushing the wheelchair.

Description

A kind of damper for wheelchair
Technical field
The present invention relates to field of shock absorption more particularly to a kind of dampers for wheelchair.
Background technique
Road in city or rural area, surface conditions are complex, for example in park, some places are flat cement Ground, some places are equipped with slabstone, brick or cobblestone, are rough blind ways there are also place, wheelchair carry out it is above this When on a little road surfaces, the people of push wheel chair only leans on eyes to observe road surface, and it is more steady to be sometimes difficult to differentiate between which road surface, especially pair Smaller in some amplitudes, the higher vibration of frequency is not easy to be discovered by the people of push wheel chair, but the people for taking wheelchair can feel not It is suitable.Also, some were just the patient of operation, and the wound not healed with it is unsuitable for being placed in the environment of high-frequency vibration.
Summary of the invention
The technical problem to be solved by the present invention is providing a kind of damper for wheelchair for facilitating and distinguishing shock conditions.
The solution that the present invention solves its technical problem is:
A kind of damper for wheelchair, including installing pipe, further include end cap, and the end cap is in the tubular of top closure, The bottom of the end cap is connected with the top of the installing pipe, and the space in the end cap is connected to the space in the installing pipe It is integral, spring, scraping blade are additionally provided in the end cap, the top of the spring is connect with the top of the end cap, the scraping blade Inner end and the spring it is affixed, the outer end of the scraping blade abuts the medial surface of the end cap;
Be successively arranged retainer plate, elastic, lower connecting column in the installing pipe from top to bottom, the bottom surface of the elastic with The top surface of the lower connecting column abuts, and gap, the bottom of the lower connecting column are equipped between the elastic and the installing pipe Equipped with the linkage section being connect for the rolling member with wheelchair;
It further include upper connecting column, the upper connecting column includes column cap, below the column cap and the column cap is affixed Shaft, the column cap are set to above the retainer plate, and the bottom end of the shaft sequentially passes through the retainer plate and the elastic, The bottom end of the shaft is connect with the top of the lower connecting column, and spacing is equipped between the bottom end of the spring and the column cap.
It as a further improvement of the above technical scheme, further include sliding bearing, the sliding bearing sleeve is in the lower company Connect on column and affixed with the lower connecting column, the lateral surface of the sliding bearing and the medial surface of the installing pipe are slidably connected.
As a further improvement of the above technical scheme, the lower connecting column includes the small cooperation set gradually from top to bottom Section, greatly cooperate section, limit section, linkage section, the sliding bearing sleeve in the small cooperation section, the bottom end of the sliding bearing and The big cooperation section abuts, and gap is equipped between the big cooperation section and the installing pipe, and the limit section is set to the installation The bottom surface of the lower section of pipe, the linkage section is equipped with threaded hole.
As a further improvement of the above technical scheme, the lower part of the big cooperation section is cased with rubber washer, the rubber Washer is set between the installing pipe and the limit section.
As a further improvement of the above technical scheme, the material of the retainer plate is rubber, the material of the installing pipe For metal.
As a further improvement of the above technical scheme, the material of the elastic is rubber.
As a further improvement of the above technical scheme, the material of the scraping blade is nylon.
As a further improvement of the above technical scheme, further include data converter, terminal presentation facility and be set to described Sonic sensor in end cap, the data converter are electrically connected with sonic sensor, terminal presentation facility respectively, the data Converter is set for handling the collected acoustic signals of the sonic sensor and processed signal is passed to terminal showing Standby, the terminal presentation facility is for showing audiograph.
The beneficial effects of the present invention are: scraping blade can repeatedly scratch in the medial surface of end cap when wheelchair shakes, issues and ring Sound, amplitude is bigger, and single sound duration is longer, and vibration frequency is higher, and the frequency of sound is also higher.Push wheel chair as a result, People may determine that wheelchair by shake the case where, then select be suitble to push wheel chair section.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described.Obviously, described attached drawing is a part of the embodiments of the present invention, rather than is all implemented Example, those skilled in the art without creative efforts, can also be obtained according to these attached drawings other designs Scheme and attached drawing.
Fig. 1 is schematic diagram of the invention;
Fig. 2 is the schematic diagram of lower connecting column of the invention.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to design of the invention, specific structure and generation clear Chu is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair Bright a part of the embodiment, rather than whole embodiments, based on the embodiment of the present invention, those skilled in the art are not being paid Other embodiments obtained, belong to the scope of protection of the invention under the premise of creative work.In addition, be previously mentioned in text All connection relationships not singly refer to that component directly connects, and referring to can be according to specific implementation situation, by adding or reducing connection Auxiliary, to form more preferably coupling structure.Each technical characteristic in the invention, under the premise of not conflicting conflict It can be with combination of interactions.
Referring to figs. 1 to Fig. 2, this is the embodiment of the present invention, specifically:
A kind of damper for wheelchair, including installing pipe 1 further include end cap 2, and the end cap 2 is in the cylinder of top closure Shape, the bottom of the end cap 2 are connected with the top of the installing pipe 1, in the space in the end cap 2 and the installing pipe 1 Space connection is integral, and spring 7, scraping blade 71, the top on the top of the spring 7 and the end cap 2 are additionally provided in the end cap 2 Connection, the inner end of the scraping blade 71 and the spring 7 are affixed, and the outer end of the scraping blade 71 abuts the medial surface of the end cap 2;
Retainer plate 6, elastic 8, lower connecting column, the bottom of the elastic 8 are successively arranged in the installing pipe 1 from top to bottom Face is abutted with the top surface of the lower connecting column, and gap, the lower connecting column are equipped between the elastic 8 and the installing pipe 1 Bottom be equipped with the linkage section 44 that connect for the rolling member with wheelchair;
It further include upper connecting column, the upper connecting column includes column cap 31, is set to 31 lower section of column cap and the column cap 31 Affixed shaft 32, the column cap 31 are set to 6 top of retainer plate, and the bottom end of the shaft 32 sequentially passes through the retainer plate 6 and the elastic 8, the bottom end of the shaft 32 connect with the top of the lower connecting column, the bottom end of the spring 7 with it is described Spacing is equipped between column cap 31.
The working principle of the invention is: when wheelchair passes through rugged road surface, since the bottom end of lower connecting column is used for It is connect with the rolling member of wheelchair, therefore lower connecting column is firstly received vibration, therewith, lower connecting column drive is attached thereto upper Connecting column carries out vibration up and down back and forth, meanwhile, lower connecting column repeatedly extrudes elastic 8 and consumes vibration energy;Work as vibration amplitude It is larger, so that when the vibration stroke of column cap 31 is greater than the spacing between the bottom end and the column cap 31 of spring 7, in column cap 31 Under shock, spring 7 is repeatedly compressed and is restored, and then, scraping blade 71 repeatedly scratches in the medial surface of end cap 2, issues sound, vibration Width is bigger, and single sound duration is longer, and vibration frequency is higher, and the frequency of sound is also higher.The people of push wheel chair can as a result, To judge the case where wheelchair is by shake, the section of suitable push wheel chair is selected with this.
Further, further include sliding bearing 5,5 sets of the sliding bearing on the lower connecting column and with the lower company Connect that column is affixed, the lateral surface of the sliding bearing 5 and the medial surface of the installing pipe 1 are slidably connected.Above structure can reduce Friction between lower connecting column and installing pipe 1 prevents the abrasion between lower connecting column and installing pipe 1, while reducing lower connecting column The noise that friction between installing pipe 1 generates interferes this to be used for the damper of wheelchair and prompts shock conditions.In addition, sliding axle Holding 5 also has the function of preventing the axis offset of lower connecting column, and the movement of lower connecting column is made to keep straight line.
Further, the connecting column includes the small cooperation section 41 set gradually from top to bottom, big cooperation section 42, limit section 43, linkage section 44,5 sets of the sliding bearing in the small cooperation section 41, the bottom end of the sliding bearing 5 and the big cooperation Section 42 abuts, and gap is equipped between the big cooperation section 42 and the installing pipe 1, and the limit section 43 is set to the installing pipe 1 Lower section, the bottom surface of the linkage section 44 is equipped with threaded hole.
Further, the lower part of the big cooperation section 42 is cased with rubber washer 61, and the rubber washer 61 is set to the peace Between tubulature 1 and the limit section 43.Rubber washer 61 can be with the collision between buffer limit section 43 and installing pipe 1.And rubber The sound insulation effect of glue is fine.Rubber washer 61 can generate noise to avoid the collision between limit section 43 and installing pipe 1, and interference should Damper for wheelchair prompts shock conditions.
Further, the material of the retainer plate 6 is rubber, and the material of the installing pipe 1 is metal.Rubber-moulding holds Easily, rubber can be bonded securely with metal, and when wheelchair shakes, column cap 31 and the collision of the retainer plate 6 of rubber material are not easy to produce Raw noise.
Further, the material of the elastic 8 is rubber.The high-frequency vibration isolation performance of rubber is good, sound insulation effect Very well, and light weight, price are low.In general the price of the spring damper of same bearing capacity is more expensive than rubber absorbers very It is more.Because wheelchair is frequently necessary to move, light-weight is a key factor convenient to use.
Further, the material of the scraping blade 71 is nylon.Nylon has centainly internally-damped, is rubbed and is shaken When, the sound of generation is sharp not as good as metal, for making scraping blade of the invention, is not likely to produce uncomfortable audible noise.
It further, further include data converter, terminal presentation facility and the sonic sensor in the end cap, institute It states data converter to be electrically connected with sonic sensor, terminal presentation facility respectively, the data converter is for handling the sound Processed signal is simultaneously passed to terminal presentation facility by the collected acoustic signals of wave sensor, and the terminal presentation facility is used In display audiograph.In this way, the road conditions that wheelchair is passed through can quantitatively, clearly be shown in audiograph, in order to wheelchair User more easily selects to carry out path.In addition, other people can pass through terminal when the people for taking wheelchair individually goes out Display remotely grasps situation, when unexpected fluctuation occurs in audiograph, can speculate situations such as wheelchair overturns, other people can be timely Make reply.
Better embodiment of the invention is illustrated above, but the invention is not limited to the implementation Example, those skilled in the art can also make various equivalent modifications on the premise of without prejudice to spirit of the invention or replace It changes, these equivalent variation or replacement are included in the claim of this application limited range.

Claims (8)

1. a kind of damper for wheelchair, including installing pipe (1), it is characterised in that:
It further include end cap (2), the end cap (2) is in the tubular of top closure, the bottom of the end cap (2) and the installing pipe (1) top is connected, and the space in the end cap (2) is connected to integral, the end cap with the space in the installing pipe (1) (2) it is additionally provided with spring (7), scraping blade (71) in, the top of the spring (7) is connect with the top of the end cap (2), the scraping blade (71) inner end and the spring (7) are affixed, and the outer end of the scraping blade (71) abuts the medial surface of the end cap (2);
It is successively arranged retainer plate (6), elastic (8), lower connecting column, the elastic (8) from top to bottom in the installing pipe (1) Bottom surface abutted with the top surface of the lower connecting column, between the elastic (8) and the installing pipe (1) be equipped with gap, it is described The bottom of lower connecting column is equipped with the linkage section (44) connecting for the rolling member with wheelchair;
It further include upper connecting column, the upper connecting column includes column cap (31), is set to below the column cap (31) and the column cap (31) affixed shaft (32), the column cap (31) are set to above the retainer plate (6), and the bottom end of the shaft (32) is successively worn The retainer plate (6) and the elastic (8) are crossed, the bottom end of the shaft (32) is connect with the top of the lower connecting column, institute It states and is equipped with spacing between the bottom end of spring (7) and the column cap (31).
2. a kind of damper for wheelchair according to claim 1, it is characterised in that: further include sliding bearing (5), institute State sliding bearing (5) cover it is on the lower connecting column and affixed with the lower connecting column, the lateral surface of the sliding bearing (5) with The medial surface of the installing pipe (1) is slidably connected.
3. a kind of damper for wheelchair according to claim 2, it is characterised in that: the lower connecting column includes from upper The small cooperation section (41) that sets gradually under cooperates greatly section (42), limit section (43), linkage section (44), the sliding bearing (5) It covers on the small cooperation section (41), the bottom end of the sliding bearing (5) is abutted with the big cooperation section (42), the big cooperation Gap is equipped between section (42) and the installing pipe (1), limit section (43) is set to the lower section of the installing pipe (1), described The bottom surface of linkage section (44) is equipped with threaded hole.
4. a kind of damper for wheelchair according to claim 3, it is characterised in that: under the big cooperation section (42) Portion is cased with rubber washer (61), and the rubber washer (61) is set between the installing pipe (1) and the limit section (43).
5. a kind of damper for wheelchair according to claim 1, it is characterised in that: the material of the retainer plate (6) For rubber, the material of the installing pipe (1) is metal.
6. a kind of damper for wheelchair according to claim 1, it is characterised in that: the material of the elastic (8) For rubber.
7. a kind of damper for wheelchair according to claim 1, it is characterised in that: the material of the scraping blade (71) is Nylon.
8. a kind of damper for wheelchair according to claim 1, it is characterised in that: further include data converter, end End display equipment and be set to the end cap (2) in sonic sensor, the data converter respectively with sonic sensor, terminal Show equipment electrical connection, the data converter is for handling the collected acoustic signals of the sonic sensor and will process Signal pass to terminal presentation facility, the terminal presentation facility is for showing audiograph.
CN201811099756.0A 2018-09-20 2018-09-20 Shock absorber for wheelchair Active CN109163051B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811099756.0A CN109163051B (en) 2018-09-20 2018-09-20 Shock absorber for wheelchair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811099756.0A CN109163051B (en) 2018-09-20 2018-09-20 Shock absorber for wheelchair

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Publication Number Publication Date
CN109163051A true CN109163051A (en) 2019-01-08
CN109163051B CN109163051B (en) 2024-02-13

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