CN201978048U - Wheelchair with adjustable backrest - Google Patents
Wheelchair with adjustable backrest Download PDFInfo
- Publication number
- CN201978048U CN201978048U CN2010206976772U CN201020697677U CN201978048U CN 201978048 U CN201978048 U CN 201978048U CN 2010206976772 U CN2010206976772 U CN 2010206976772U CN 201020697677 U CN201020697677 U CN 201020697677U CN 201978048 U CN201978048 U CN 201978048U
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- CN
- China
- Prior art keywords
- vehicle frame
- pair
- rod
- wheelchair
- pulling handle
- 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
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
A wheelchair with an adjustable backrest comprises a vehicle frame, a wheel arranged on the vehicle frame, a seat part and a backrest part arranged on the vehicle frame, wherein the vehicle frame comprises a pair of side frames which are arranged symmetrically left and right and a middle support mechanism which connects the pair of the side frames, the vehicle frame also comprises pushing rods which are respectively rotatably connected to the pair of the side frames, the backrest part is arranged between the pair of the pushing rods, the pair of the side frames are respectively provided with gas springs, and piston rods of the gas springs are rotatably arranged on the pushing rods. By adopting the utility model, the backrest of the wheelchair can be adjusted backwards with an inclined angle according to needs of users, thus the utility model has the advantages of comfortability and beauty.
Description
Technical field
This utility model relates to a kind of wheelchair.
Background technology
The backrest of wheelchair in the market all is fixed, can not regulate, and user is merely able to keep sitting posture in wheelchair, after taking for a long time, understands the lumbar vertebra and the cervical vertebra of other user and feels numbness and ache, and is very uncomfortable.
Summary of the invention
The purpose of this utility model provides a kind of wheelchair that can regulate backrest angle.
For achieving the above object, the technical solution adopted in the utility model is: the adjustable wheelchair of a kind of backrest, comprise vehicle frame, be arranged on the wheel on the described vehicle frame, be arranged on seat portion and back-rest on the described vehicle frame, described vehicle frame comprises a pair of body side frame that is symmetrical set and the middle support mechanism that connects a pair of described body side frame, described vehicle frame also comprises the pulling handle rod that is rotatably connected to respectively on a pair of described body side frame, described back-rest is between a pair of described pulling handle rod, be respectively arranged with air spring on a pair of described body side frame, the piston rod of described air spring is arranged on the described pulling handle rod rotationally.
This utility model further technical scheme is: described body side frame comprises the upper support bar that is positioned at described seat portion below and is parallel to each other and lower support bar, be positioned at the rear portion of described vehicle frame and be connected the rear connecting rod of described upper support bar and lower support bar, the bottom of described pulling handle rod is rotatably connected on the described upper support bar, be connected with cradling piece on the described rear connecting rod, described air spring is arranged on the described cradling piece.
Further, the bottom of described rear connecting rod also is provided with the back support rod that extends backward downwards, is provided with the back support wheel on the described back support rod rotationally, and described back support wheel is positioned at the rear of described back-rest.
Further, described air spring has by-pass cock, and described by-pass cock is arranged between described piston rod and the pulling handle rod.
Further, described pulling handle rod is provided with the regulating handle that is used to regulate described by-pass cock size.
Because the technique scheme utilization, this utility model compared with prior art has following advantage: this utility model can will be taken turns chair back according to the needs of user and be regulated backward, and user can lie on the backrest backward, obtain pleasant posture.This utility model is simple to operate, can regulate backrest angle significantly, has advantages such as comfortable, attractive in appearance.
Description of drawings
Accompanying drawing 1 is an axonometric chart of the present utility model;
Accompanying drawing 2 is a left view of the present utility model;
Wherein: 1, vehicle frame; 11, upper support bar; 12, lower support bar; 13, middle support mechanism; 14, rear connecting rod; 15, cradling piece; 16, connecting rod; 17, back support rod; 18, back support wheel; 2, wheel; 3, air spring; 31, piston rod; 32, by-pass cock; 33, regulating handle; 4, pulling handle rod.
The specific embodiment
Below in conjunction with drawings and Examples this utility model is further described, upper and lower position relation shown in this description is corresponding with the upper and lower position relation shown in the accompanying drawing 1, in the time of in user rides in wheelchair, the direction that user is faced is " preceding " side shown in the description, user back to direction be shown in the description " back " side, the and arranged on left and right sides of user is corresponding with the and arranged on left and right sides described in the description respectively.
Referring to attached illustrated in figures 1 and 2, the adjustable wheelchair of a kind of backrest, comprise vehicle frame 1, be arranged on wheel 2 on the described vehicle frame 1, be arranged on seat portion and back-rest (showing among seat portion and the back-rest figure) on the described vehicle frame 1, described vehicle frame 1 comprises a pair of body side frame that is symmetrical set and the middle support mechanism 13 that connects a pair of described body side frame.
Described body side frame comprises the upper support bar 11 that is positioned at described seat portion below and is parallel to each other and lower support bar 12, be positioned at the rear portion of described vehicle frame 1 and be connected the rear connecting rod 14 of described upper support bar 11 and lower support bar 12, middle support mechanism 13 comprises a pair of connecting rod that is hinged 16, one end of connecting rod 16 is connected with upper support bar 11 on the body side frame, the other end of connecting rod 16 is connected with lower support bar 12 on another body side frame, thereby forms the X supporting construction.
Described vehicle frame 1 also comprises a pair of pulling handle rod 4, described back-rest just is arranged between a pair of described pulling handle rod 4, and the bottom of described pulling handle rod 4 is hinged on the rear portion of described upper support bar 11, also be connected with cradling piece 15 on the described rear connecting rod, described cradling piece 15 is provided with air spring 3, the bottom of air spring 3 is fixedly connected on the cradling piece 15, described air spring 3 has by-pass cock 32, described by-pass cock 32 is arranged between described piston rod 31 and the pulling handle rod 4, and the piston rod 31 of air spring 3 is rotatably connected on the pulling handle rod 4 by by-pass cock 32.Described pulling handle rod 4 is provided with the regulating handle 33 that is used to regulate described by-pass cock 32 sizes, perhaps this regulating handle 33 also can be arranged on the body side frame by connected mode removably, user can be placed on more comfortable operating position place with regulating handle according to self-demand like this, such as arm rest, or the front portion of vehicle frame.User rides in the wheelchair, can oneself regulate the angle of inclination of back-rest, thereby obtain more comfortable posture.
For preventing that back-rest is after adjusting, user rides in the interior center of gravity of wheelchair and drops on the wheelchair outside, cause wheelchair to be tumbled backward, the bottom of described rear connecting rod 14 also is provided with the back support rod 17 that extends backward downwards, be provided with back support wheel 18 on the described back support rod 17 rotationally, described back support wheel 18 is positioned at the rear of described back-rest.Can make the center of gravity of wheelchair remain at the place ahead of support wheel afterwards like this, even the back-rest of wheelchair recedes, user partly lies on the back-rest, also can not make wheelchair overturning backward.
The foregoing description only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection domain of the present utility model with this.All equivalences of being done according to this utility model spirit change or modify, and all should be encompassed within the protection domain of the present utility model.
Claims (5)
1. adjustable wheelchair of backrest, comprise vehicle frame, be arranged on the wheel on the described vehicle frame, be arranged on seat portion and back-rest on the described vehicle frame, described vehicle frame comprises a pair of body side frame that is symmetrical set and the middle support mechanism that connects a pair of described body side frame, it is characterized in that: described vehicle frame also comprises the pulling handle rod that is rotatably connected to respectively on a pair of described body side frame, described back-rest is between a pair of described pulling handle rod, be respectively arranged with air spring on a pair of described body side frame, the piston rod of described air spring is arranged on the described pulling handle rod rotationally.
2. the adjustable wheelchair of a kind of backrest according to claim 1, it is characterized in that: described body side frame comprises the upper support bar that is positioned at described seat portion below and is parallel to each other and lower support bar, be positioned at the rear portion of described vehicle frame and be connected the rear connecting rod of described upper support bar and lower support bar, the bottom of described pulling handle rod is rotatably connected on the described upper support bar, be connected with cradling piece on the described rear connecting rod, described air spring is arranged on the described cradling piece.
3. the adjustable wheelchair of a kind of backrest according to claim 2, it is characterized in that: the bottom of described rear connecting rod also is provided with the back support rod that extends backward downwards, be provided with the back support wheel on the described back support rod rotationally, described back support wheel is positioned at the rear of described back-rest.
4. the adjustable wheelchair of a kind of backrest according to claim 1, it is characterized in that: described air spring has by-pass cock, and described by-pass cock is arranged between described piston rod and the pulling handle rod.
5. the adjustable wheelchair of a kind of backrest according to claim 4, it is characterized in that: described pulling handle rod is provided with the regulating handle that is used to regulate described by-pass cock size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206976772U CN201978048U (en) | 2010-12-28 | 2010-12-28 | Wheelchair with adjustable backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206976772U CN201978048U (en) | 2010-12-28 | 2010-12-28 | Wheelchair with adjustable backrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201978048U true CN201978048U (en) | 2011-09-21 |
Family
ID=44605518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206976772U Expired - Fee Related CN201978048U (en) | 2010-12-28 | 2010-12-28 | Wheelchair with adjustable backrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201978048U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104546330A (en) * | 2013-10-17 | 2015-04-29 | 常州中进医疗器材有限公司 | Wheelchair adjusting device |
| CN106214370A (en) * | 2016-08-15 | 2016-12-14 | 江阴市新盛医疗器材设备有限公司 | A kind of Wheelchair support of backrest resilient support |
| CN107550652A (en) * | 2017-09-13 | 2018-01-09 | 烟台市莱阳中心医院 | A kind of epileptic's special-purpose multifunctional wheelchair |
-
2010
- 2010-12-28 CN CN2010206976772U patent/CN201978048U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104546330A (en) * | 2013-10-17 | 2015-04-29 | 常州中进医疗器材有限公司 | Wheelchair adjusting device |
| CN106214370A (en) * | 2016-08-15 | 2016-12-14 | 江阴市新盛医疗器材设备有限公司 | A kind of Wheelchair support of backrest resilient support |
| CN106214370B (en) * | 2016-08-15 | 2017-11-24 | 江阴市新盛医疗器材设备有限公司 | A kind of Wheelchair support of backrest resilient support |
| CN107550652A (en) * | 2017-09-13 | 2018-01-09 | 烟台市莱阳中心医院 | A kind of epileptic's special-purpose multifunctional wheelchair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20131228 |