CN105213121A - Anti-back gear structure of chair - Google Patents
Anti-back gear structure of chair Download PDFInfo
- Publication number
- CN105213121A CN105213121A CN201510697715.1A CN201510697715A CN105213121A CN 105213121 A CN105213121 A CN 105213121A CN 201510697715 A CN201510697715 A CN 201510697715A CN 105213121 A CN105213121 A CN 105213121A
- Authority
- CN
- China
- Prior art keywords
- expansion link
- wheelchair
- spring
- holder
- chair
- 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.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The present invention relates to wheelchair technical field, disclose a kind of anti-back gear structure of chair, comprise holder, holder is connected with wheelchair after-poppet, also comprises expansion link, holder is provided with the groove be slidably matched with expansion link, this groove centrage becomes 0 to 90 ° of angle with wheelchair after-poppet, one end away from groove on expansion link is connected with auxiliary wheel, and at wheelchair during slope climbing or when removing wheelchair rear wheel, the auxiliary wheel on expansion link and ground first contact to prevent wheelchair from toppling over backward.
Description
Technical field
The present invention relates to wheelchair technical field, especially a kind of anti-back gear structure of chair.
Background technology
At present, existing wheelchair, in user use procedure, because passageway is narrow or other reasons, need wheel to dismantle, after wheel dismounting, wheelchair can not keep balance, and can topple over backward, user must leave wheelchair, causes the inconvenience of user; Also have when wheelchair during slope climbing, wheelchair also easily topples over even overturning backward, there is security risk.
Summary of the invention
The invention provides a kind of anti-back gear structure of chair, the problem that wheelchair can be toppled over backward when wheel dismantles rear or wheelchair during slope climbing can be solved.
Based on above-mentioned principle the technical solution adopted in the present invention be: anti-back gear structure of chair, comprise holder, holder is connected with wheelchair after-poppet, also comprise expansion link, holder is provided with the groove be slidably matched with expansion link, this groove centrage becomes 0 to 90 ° of angle with wheelchair after-poppet, and the one end away from groove on expansion link is connected with auxiliary wheel, wheelchair be subject to external force topple over backward or remove wheelchair rear wheel time, the auxiliary wheel on expansion link and ground first contact to prevent wheelchair from toppling over.
Further, holder is connected by Elastic buckle with expansion link, facilitates the installation or removal of expansion link.
Further, Elastic buckle comprises plectrum, spring, spring grain, pressing cap, and pressing cap is connected with spring grain, and spring housing is contained on spring grain, and under spring naturalness, plectrum is sleeved on spring grain, and the two ends of spring contact with plectrum with pressing cap respectively.
Further, on holder, the both sides correspondence of groove is respectively arranged with the hole of installing pressing cap and spring grain, expansion link center position length direction is provided with the through hole of multiple mounting spring, arranging multiple through hole can according to the length of the diameter adjustment expansion link of wheel chair wheel.
Further, described auxiliary wheel has two, is connected by screw on expansion link, makes expansion link can be more steady.
The invention has the beneficial effects as follows: on wheelchair armrest holder, be provided with the groove be slidably matched with expansion link, expansion link is connected with auxiliary wheel, at wheelchair during slope climbing or when removing wheelchair rear wheel, the auxiliary wheel on expansion link and ground first contact to prevent wheelchair from toppling over, and keep the balance of wheelchair.
Accompanying drawing explanation
Fig. 1 is the structure chart of the anti-back gear structure of chair of the present invention.
Fig. 2 is the structure chart of holder of the present invention.
Fig. 3 is the structure chart of Elastic buckle of the present invention.
Fig. 4 is the structure chart of expansion link of the present invention.
Be labeled as in figure: 1-holder, 2-expansion link, 3-groove, 4-auxiliary wheel, 5-hole, 6-hole, 7-through hole, 8-plectrum, 9-spring, 10-spring grain, 11-pressing cap, 12-wheelchair after-poppet.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further described.
As shown in Figure 1 and Figure 2, when user uses device of the present invention, wheelchair be subject to external force topple over backward or remove wheelchair rear wheel time, the auxiliary wheel 4 on expansion link 2 and ground first contact to prevent wheelchair from toppling over, and the length of expansion link 2 can adjust according to the rear wheel diameter of wheelchair.Do not need dismounting expansion link 2 time, in the raw, plectrum 8 is sleeved on spring grain 10 spring 9, pressing cap 11 and plectrum 8 respectively with spring 9 liang of end in contact; When needing dismounting expansion link 2, first press pressing cap 11, pressing cap 11 Compress Spring 9, spring 9 produces the deformation of elasticity shape, spring 9 applies active force to plectrum 8 in recovery naturalness process, spring grain 10 is separated with plectrum 8, makes clamp button of the spring quick-detachment, reach the object of quick-detachment expansion link 2.
In order to easy to carry, expansion link 2 can be set to the expansion link of inner hollow.
Claims (5)
1. anti-back gear structure of chair, comprise holder (1), holder (1) is connected with wheelchair after-poppet (12), it is characterized in that: also comprise expansion link (2), holder (1) is provided with the groove (3) be slidably matched with expansion link (2), this groove centrage becomes 0 to 90 ° of angle with wheelchair after-poppet (12), and expansion link (2) is connected with auxiliary wheel (4) away from one end of groove (3).
2. according to anti-back gear structure of chair according to claim 1, it is characterized in that: holder (1) is connected by Elastic buckle with expansion link (2).
3. according to anti-back gear structure of chair according to claim 2, it is characterized in that: Elastic buckle comprises plectrum (8), spring (9), spring grain (10), pressing cap (11), pressing cap (11) is connected with spring grain (10), spring (9) is sleeved on spring grain (10), under spring (9) naturalness, plectrum (8) is sleeved on spring grain (10), and the two ends of spring (9) contact with plectrum (8) with pressing cap (11) respectively.
4. according to the anti-back gear structure of chair described in claim 1 or 3, it is characterized in that: the both sides of the upper groove (3) of holder (1) are respectively arranged with the hole (5 of installing pressing cap (11) and spring grain (10), 6), expansion link (2) center position length direction is provided with the through hole (7) of multiple mounting spring (9).
5. according to anti-back gear structure of chair according to claim 1, it is characterized in that: described auxiliary wheel (4) has two, be connected by screw on expansion link (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510697715.1A CN105213121A (en) | 2015-10-21 | 2015-10-21 | Anti-back gear structure of chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510697715.1A CN105213121A (en) | 2015-10-21 | 2015-10-21 | Anti-back gear structure of chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105213121A true CN105213121A (en) | 2016-01-06 |
Family
ID=54982650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510697715.1A Pending CN105213121A (en) | 2015-10-21 | 2015-10-21 | Anti-back gear structure of chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105213121A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107789127A (en) * | 2017-11-29 | 2018-03-13 | 谢圳斌 | Comfortableness Wheelchair structure with assisted care facilities |
| CN113230051A (en) * | 2021-06-23 | 2021-08-10 | 安徽机电职业技术学院 | Multifunctional foldable wheelchair |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3848883A (en) * | 1973-08-08 | 1974-11-19 | S Breacain | Wheelchair anti-tip apparatus |
| US20080067780A1 (en) * | 2006-09-18 | 2008-03-20 | Meyrav Dror | Automatically engaging safety device for a wheelchair or other medical device |
| CN201921021U (en) * | 2010-12-28 | 2011-08-10 | 卫美恒(苏州)医疗器械有限公司 | Wheelchair for preventing back rolling |
| CN202490114U (en) * | 2012-03-31 | 2012-10-17 | 东莞市智维数控科技有限公司 | Quick foldable electric wheelchair |
| US20130062858A1 (en) * | 2007-08-14 | 2013-03-14 | Pdg Product Design Group Inc. | Reconfigurable tilt wheelchair |
| CN103800140A (en) * | 2012-11-14 | 2014-05-21 | 镇江艾康医疗器械有限公司 | Quickly detaching core shaft of wheelchair |
| CN204909886U (en) * | 2015-08-20 | 2015-12-30 | 吉芮医疗器械（上海）有限公司 | Parts are prevented down to wheel wheel -chair |
| CN205083844U (en) * | 2015-10-21 | 2016-03-16 | 四川阿斯特医疗器械有限公司 | Wheelchair is prevented back flip -chip and is put |
-
2015
- 2015-10-21 CN CN201510697715.1A patent/CN105213121A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3848883A (en) * | 1973-08-08 | 1974-11-19 | S Breacain | Wheelchair anti-tip apparatus |
| US20080067780A1 (en) * | 2006-09-18 | 2008-03-20 | Meyrav Dror | Automatically engaging safety device for a wheelchair or other medical device |
| US20130062858A1 (en) * | 2007-08-14 | 2013-03-14 | Pdg Product Design Group Inc. | Reconfigurable tilt wheelchair |
| CN201921021U (en) * | 2010-12-28 | 2011-08-10 | 卫美恒(苏州)医疗器械有限公司 | Wheelchair for preventing back rolling |
| CN202490114U (en) * | 2012-03-31 | 2012-10-17 | 东莞市智维数控科技有限公司 | Quick foldable electric wheelchair |
| CN103800140A (en) * | 2012-11-14 | 2014-05-21 | 镇江艾康医疗器械有限公司 | Quickly detaching core shaft of wheelchair |
| CN204909886U (en) * | 2015-08-20 | 2015-12-30 | 吉芮医疗器械（上海）有限公司 | Parts are prevented down to wheel wheel -chair |
| CN205083844U (en) * | 2015-10-21 | 2016-03-16 | 四川阿斯特医疗器械有限公司 | Wheelchair is prevented back flip -chip and is put |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107789127A (en) * | 2017-11-29 | 2018-03-13 | 谢圳斌 | Comfortableness Wheelchair structure with assisted care facilities |
| CN113230051A (en) * | 2021-06-23 | 2021-08-10 | 安徽机电职业技术学院 | Multifunctional foldable wheelchair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160106 |