CN202397719U - Wheel chair with liftable armrests - Google Patents
Wheel chair with liftable armrests Download PDFInfo
- Publication number
- CN202397719U CN202397719U CN2011205642209U CN201120564220U CN202397719U CN 202397719 U CN202397719 U CN 202397719U CN 2011205642209 U CN2011205642209 U CN 2011205642209U CN 201120564220 U CN201120564220 U CN 201120564220U CN 202397719 U CN202397719 U CN 202397719U
- Authority
- CN
- China
- Prior art keywords
- bullet pin
- handrail
- matched
- chair frame
- tube
- 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
Images
Abstract
The utility model discloses a wheel chair with liftable armrests and relates to the wheel chair. The wheel chair comprises a chair frame, a seat, a backrest, pushing handles, chair wheels, the armrests and pedals and is characterized in that the lower part of each of the armrests is connected with a long armrest tube; front and back guide rods are fixed at two ends of each long armrest tube; front and back guide tubes of which the lower ends are fixed on the chair frame are sleeved at the peripheries of the front and back guide rods; upper and lower strengthened pieces are fixedly connected between the front and back guide tubes; a plurality of positioning holes are formed on the inner side of each front guide rod from top to bottom; a lifting adjustment device which is matched with the positioning holes is arranged on the inner side of the upper end of each front guide tube; a short armrest tube is arranged in the center of the outer side of each front guide tube; each lifting adjustment device consists of an adjusting handle, an elastic pin of which the rear end is in threaded connection with the adjusting handle, and the front end is matched with the positioning holes, an adjustment block which is sleeved at the periphery of the elastic pin, an adjusting tube which is fixed on the inner side of each front guide tube and is matched with the elastic pin and the adjusting block, and a pressure spring which is sleeved at the periphery of the elastic pin. Tests prove that the wheel chair with the liftable armrests can load a person stably and reliably, is lifted conveniently and quickly, is low in manufacturing cost and is high in cost performance.
Description
Technical field: this utility model relates to a kind of wheelchair, the liftable wheelchair of particularly a kind of handrail.
Background technology: prior art document 1ZL 201020697542 discloses a kind of wheelchair of adjustable armrest height; " comprise vehicle frame, be rotatably connected on the vehicle frame both sides wheel, be arranged on seat portion and back-rest on the vehicle frame, the and arranged on left and right sides of vehicle frame has the bar that is used for fixing armrest assembly respectively, is fixedly connected with holder on the bar; armrest assembly comprises the handle portion that is available for users to grip and the connecting portion that extends along the direction that is approximately perpendicular to handle portion; connecting portion is inserted in the holder slidably, and connecting portion upper edge vertical is distributed with a plurality of locating holes, is connected with lock pin on the holder; lock pin has two operating positions; when lock pin is in first operating position, lock pin passes in the locating hole that holder is inserted in connecting portion, armrest assembly and bar relative fixed; When lock pin was in second operating position, lock pin and locating hole were separated, connecting portion and holder sliding connection." wheelchair of prior art document 1 disclosed adjustable armrest height exists following not enough: 1, intensity is crossed low and steadily reliable inadequately during load-bearing.Because the flat bar connecting portion that handrail only relies on monolithic to be equipped with several locating holes that are arranged above and below supports, and connecting portion inserts and only depends on the lock pin load-bearing when passing holder.In actual use; Not only its load bearing stength not enough and also firmly on handrail the time before and after unstable; Especially at the user weakness of the lower extremities, mainly rely on both hands to support in the process of standing up, handle portion skewed disengagement can occur from the upper end of flat bar connecting portion; Even the load-bearing lock pin in the holder fractures, and just exists the hidden danger that user is fallen together with the wheelchair upset.2, user can't be regulated handrail height voluntarily, and lock pin adopts spiral marking connection to pass a plurality of locating holes of the connecting portion of holder in insertion, obviously is sitting in user in the wheelchair and is the adjusting height process of bending over to accomplish such difficulty of can't bowing.
This shows that a kind of load-bearing of research design is steadily reliable, lift adjustment is convenient, and the liftable wheelchair of the handrail that the cost function ratio is low again is necessary.
The utility model content: the purpose of this utility model is deficiency and the problem that overcomes prior art, and a kind of load-bearing of research design is steadily reliable, and lift adjustment is convenient, the liftable wheelchair of the handrail that the cost function ratio is low again.
The purpose of this utility model is achieved in that the liftable wheelchair of a kind of handrail; Comprise the chair frame, be positioned at the seat on the chair frame, be positioned at the backrest and the hand-pushing handle at rear, seat on the chair frame; Be positioned at the chair wheel of chair frame bottom; Be positioned at the handrail on both sides, seat on the chair frame, be positioned at the foot-operated of front lower place, seat on the chair frame, it is characterized in that: be linked with long handrail tube below the handrail; The two ends of long handrail tube are fixed with forward and backward guide rod; Forward and backward guide rod periphery is socketed with the lower end and is fixed in the forward and backward conduit on the chair frame, is connected with upper and lower reinforcement between the forward and backward conduit, said before on the guide rod, lean on the reinforcement inboard to be designed with the locating hole that several are arranged above and below; Between dummy pipe upper end and dummy pipe and the reinforcement junction, be designed with the elevation and subsidence regulating device that is matched with locating hole by the reinforcement inboard, outer middle side part is designed with the other end and is fixed in the short handrail tube on the chair frame on the dummy pipe.
The purpose of this utility model can also take following further measure to realize:
Described elevation and subsidence regulating device is by regulating handle; The bullet pin of locating hole on the guide rod before the rear end is threadedly connected to regulating handle center, front end and is matched with; Be socketed on the adjusting block of bullet pin periphery; Be fixed in the dummy pipe inboard, be matched with the bullet pin and regulate the adjustable pipe of block, be socketed on bullet pin periphery, be matched with the stage clip of regulating block and bullet pin and constitute.Said adjustable pipe is meant with regulating with the bullet pin cooperating of block: the lumen diameter of adjustable pipe is matched in clearance greater than the external diameter of bullet pin between the front end external diameter of the lumen diameter of adjustable pipe and adjusting block.Said stage clip with regulate block and be meant cooperating of bullet pin: the two ends of stage clip are limited in the adjusting block respectively and snap between the step of front end and bullet pin front end cervical region of adjustable pipe inner chamber.Be meant cooperating of locating hole on said bullet pin front end and the preceding guide rod: between the external diameter of bullet pin front end and the locating hole aperture is matched in clearance; After bullet pin rear end was threadedly connected to regulating handle, bullet pin front end passed leading rod tube wall and gets into locating hole under the elastic restoring force effect of stage clip; When utilizing regulating handle to be compressed to stage clip to greatest extent with external force, bullet pin front end is from retreating in the locating hole to concordant with the dummy pipe lumen wall.
The liftable wheelchair of handrail that this utility model enforcement obtains through on probation, demonstrates following beneficial effect:
1, load-bearing is steadily reliable.In the wheelchair of prior art document 1 disclosed adjustable armrest height; The flat bar connecting portion that handrail only relies on monolithic to be equipped with several locating holes that are arranged above and below supports; And connecting portion only depends on the lock pin load-bearing to compare fixedly the time; This utility model not only is linked with below the handrail and receives forward and backward guide rod, the long handrail tube of forward and backward conduit support on the chair frame, and also be connected with upper and lower reinforcement between the forward and backward conduit and make it more firm; Also be designed with between dummy pipe middle part and the chair frame and both can be user the usefulness that reliably makes things convenient for handrail is provided, can play the short handrail tube of firm effect again dummy pipe; Handrail load-bearing after the up-down is in the sturdy leading section of bullet pin that gets into locating hole; Possibly fracture because of load-bearing hardly; Moved back for 10,000 steps and say, even the sturdy leading section of bullet pin fractures, because forward and backward guide rod is inserted among the firm forward and backward conduit; The wheelchair that also will not have technical literature 1 fractures because of the load-bearing lock pin, the hidden danger that user is fallen together with the wheelchair upset.2, lift adjustment is convenient.Can't regulate handrail height voluntarily with user in the wheelchair of prior art document 1 disclosed adjustable armrest height; Can only by other people bow bend over ground first reverse rotation lock pin; Let it from original locating hole, withdraw from; Help user with carrying on the handrail or dropping to the height of need regulating again, aim at positioning hole corresponding and be rotated in the forward lock pin to restraint location and just calculate the process of accomplishing the handrail lift adjustment and compare, after this utility model only needs as showing among Fig. 4 regulating handle pulled out lightly; With the height of proposing or drop to the needs adjusting on the handrail; Unclamp regulating handle then, bullet pin leading section automatically gets into positioning hole corresponding under the elastic restoring force effect of stage clip, seem convenient and swift.3, low cost of manufacture.With complex structure, the parts precision cooperates requirement high, and manufacturing cost is high; The cost function ratio is too high; The part of forming the handrail adjusting device draw parts nearly prior art document 2 disclosed a kind of wheelchair armrest adjusting devices of more than 30 compare, this utility model is simple in structure, the parts precision cooperate require low; Low cost of manufacture, the cost function ratio is low.
Description of drawings: Fig. 1 is the sketch map that meets this utility model thematic structure; Fig. 2 is the structural representation of armrest mechanism; Fig. 3,4 is the double sketch map that uses of handrail elevation and subsidence regulating device structure.
The specific embodiment: the implementation detail of this utility model is explained as follows below in conjunction with accompanying drawing:
Like Fig. 1, shown in 2, the liftable wheelchair of a kind of handrail comprises chair frame 1; Be positioned at the seat 2 on the chair frame; Be positioned at the backrest and the hand-pushing handle 3 at rear, seat on the chair frame, be positioned at the chair wheel 4 of chair frame bottom, be positioned at the handrail 5 on both sides, seat on the chair frame; Be positioned at foot-operated 6 of front lower place, seat on the chair frame; It is characterized in that armrest mechanism comprises: comprise being linked with long handrail tube 51 below the handrail, the two ends of long handrail tube are fixed with forward and backward guide rod 52,53, and forward and backward guide rod periphery is socketed with the lower end and is fixed in the forward and backward conduit 54,55 on the chair frame; Be connected with upper and lower reinforcement 56,57 between the forward and backward conduit; Before said on the guide rod, lean on the reinforcement inboard to be designed with several locating holes that is arranged above and below 521, between dummy pipe upper end and dummy pipe and the reinforcement junction, be designed with the elevation and subsidence regulating device 58 that is matched with locating hole by the reinforcement inboard, outer middle side part is designed with the other end and is fixed in the short handrail tube 59 on the chair frame on the dummy pipe.
Like Fig. 3, shown in 4; Described elevation and subsidence regulating device 58 is by regulating handle 581; The bullet pin 582 of locating hole 521 on the guide rod 52 before the rear end is threadedly connected to regulating handle center, front end and is matched with; Be socketed on the adjusting block 583 of bullet pin periphery, be fixed in the dummy pipe inboard, be matched with the bullet pin and regulate the adjustable pipe 584 of block, be socketed on bullet pin periphery, be matched with the stage clip 585 of regulating block and bullet pin and constitute.Said adjustable pipe 584 is meant with regulating with bullet pin 582 cooperating of block 583: the lumen diameter of adjustable pipe is matched in clearance greater than the external diameter of bullet pin between the front end external diameter of the lumen diameter of adjustable pipe and adjusting block.Said stage clip 585 with regulate block 583 and be meant cooperating of bullet pin 582: the two ends of stage clip are limited in the adjusting block respectively and snap between the step of front end and bullet pin front end cervical region of adjustable pipe 584 inner chambers.Be meant cooperating of locating hole 521 on said bullet pin 582 front ends and the preceding guide rod 52: between the external diameter of bullet pin front end and the locating hole aperture is matched in clearance; After bullet pin rear end was threadedly connected to regulating handle, guide rod 52 tube walls got into locating hole before bullet pin front end passed under the elastic restoring force effect of stage clip 585; When utilizing regulating handle to be compressed to stage clip to greatest extent with external force, bullet pin front end is from retreating in the locating hole to concordant with dummy pipe 54 lumen walls.
Claims (5)
1. liftable wheelchair of handrail; Comprise chair frame (1), be positioned at the seat (2) on the chair frame, be positioned at the backrest and the hand-pushing handle (3) at rear, seat on the chair frame; Be positioned at the chair wheel (4) of chair frame bottom; Be positioned at the handrail (5) on both sides, seat on the chair frame, be positioned at foot-operated (6) of front lower place, seat on the chair frame, it is characterized in that armrest mechanism comprises: be linked with long handrail tube (51) below the handrail; The two ends of long handrail tube are fixed with forward and backward guide rod (52,53); Forward and backward guide rod periphery is socketed with the lower end and is fixed in the forward and backward conduit (54,55) on the chair frame, is connected with upper and lower reinforcement (56,57) between the forward and backward conduit, said before on the guide rod, lean on the reinforcement inboard to be designed with several locating holes that is arranged above and below (521); Between dummy pipe upper end and dummy pipe and the reinforcement junction, be designed with the elevation and subsidence regulating device (58) that is matched with locating hole by the reinforcement inboard, outer middle side part is designed with the other end and is fixed in the short handrail tube (59) on the chair frame on the dummy pipe.
2. liftable wheelchair of handrail according to claim 1; It is characterized in that described elevation and subsidence regulating device (58) is by regulating handle (581); The rear end is threadedly connected to the regulating handle center, front end is matched with the bullet pin (582) that preceding guide rod (52) is gone up locating hole (521); Be socketed on the adjusting block (583) of bullet pin periphery, be fixed in the dummy pipe inboard, be matched with the bullet pin and regulate the adjustable pipe (584) of block, be socketed on bullet pin periphery, be matched with the stage clip (585) of regulating block and bullet pin and constitute.
3. liftable wheelchair of handrail according to claim 2; It is characterized in that being meant said adjustable pipe (584) and bullet pin (582) and cooperating of adjusting block (583): the lumen diameter of adjustable pipe is matched in clearance greater than the external diameter of bullet pin between the front end external diameter of the lumen diameter of adjustable pipe and adjusting block.
4. liftable wheelchair of handrail according to claim 2 is characterized in that said stage clip (585) and regulates block (583) and be meant cooperating of bullet pin (582): the two ends of stage clip are limited in the adjusting block respectively and snap between the step of front end and bullet pin front end cervical region of adjustable pipe (584) inner chamber.
5. liftable wheelchair of handrail according to claim 2, it is characterized in that said bullet pin (582) front end and preceding guide rod (52) are gone up to be meant cooperating of locating hole (521): between the external diameter of bullet pin front end and the locating hole aperture is matched in clearance; After bullet pin rear end was threadedly connected to regulating handle, bullet pin front end passed preceding guide rod (52) tube wall and gets into locating hole under the elastic restoring force effect of stage clip (585); When utilizing regulating handle to be compressed to stage clip to greatest extent with external force, bullet pin front end is from retreating in the locating hole to concordant with dummy pipe (54) lumen wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205642209U CN202397719U (en) | 2011-12-28 | 2011-12-28 | Wheel chair with liftable armrests |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205642209U CN202397719U (en) | 2011-12-28 | 2011-12-28 | Wheel chair with liftable armrests |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202397719U true CN202397719U (en) | 2012-08-29 |
Family
ID=46695401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205642209U Expired - Fee Related CN202397719U (en) | 2011-12-28 | 2011-12-28 | Wheel chair with liftable armrests |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202397719U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102429783A (en) * | 2011-12-28 | 2012-05-02 | 江苏亚希维医疗器械有限责任公司 | Wheelchair with liftable armrests |
| CN105326614A (en) * | 2015-11-18 | 2016-02-17 | 谢凤香 | Multifunctional wheelchair for old, weak, sick, disabled and pregnant people |
| CN107320255A (en) * | 2017-08-05 | 2017-11-07 | 包锡刚 | A kind of wide adjustable fully collapsible invalid's chair of seat with pressure sore prevention function |
| CN108113815A (en) * | 2017-12-22 | 2018-06-05 | 江阴市新盛医疗器材设备有限公司 | A kind of handrail tube |
-
2011
- 2011-12-28 CN CN2011205642209U patent/CN202397719U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102429783A (en) * | 2011-12-28 | 2012-05-02 | 江苏亚希维医疗器械有限责任公司 | Wheelchair with liftable armrests |
| CN105326614A (en) * | 2015-11-18 | 2016-02-17 | 谢凤香 | Multifunctional wheelchair for old, weak, sick, disabled and pregnant people |
| CN106214363A (en) * | 2015-11-18 | 2016-12-14 | 陈旭 | A kind of multifunctional health wheelchair |
| CN106214363B (en) * | 2015-11-18 | 2017-11-14 | 赵淑娟 | A kind of multifunctional health wheelchair |
| CN107320255A (en) * | 2017-08-05 | 2017-11-07 | 包锡刚 | A kind of wide adjustable fully collapsible invalid's chair of seat with pressure sore prevention function |
| CN107320255B (en) * | 2017-08-05 | 2023-09-12 | 包锡刚 | Seat width adjustable folding wheelchair with pressure sore prevention function |
| CN108113815A (en) * | 2017-12-22 | 2018-06-05 | 江阴市新盛医疗器材设备有限公司 | A kind of handrail tube |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202397719U (en) | Wheel chair with liftable armrests | |
| US20070085301A1 (en) | Center-of-gravity tilt-in-space wheelchair | |
| CN201658474U (en) | Umbelliform wheelchair | |
| CN201216702Y (en) | Transfer apparatus of wheelchair | |
| CN202409312U (en) | Automatic folding device of wheelchair | |
| CN201658471U (en) | Wheel chair capable of being adjusted to wheeled stretcher | |
| CN102429783A (en) | Wheelchair with liftable armrests | |
| CN203016318U (en) | Sitting and lying fitness type office chair | |
| CN105768668B (en) | A kind of office reclining chair shaken | |
| CN205866460U (en) | Official working deck chair that can shake | |
| CN106038122A (en) | Liftable armrest of wheelchair | |
| CN207693278U (en) | A kind of adjustable chair of handrail | |
| CN202478010U (en) | Wheelchair | |
| CN201767453U (en) | Chair provided with telescopic footrest | |
| CN210329962U (en) | Multifunctional office chair | |
| CN204908738U (en) | Dining -chair for child | |
| CN201295329Y (en) | A multifunctional medical stretcher vehicle | |
| CN202154908U (en) | Transfusion chair | |
| CN208611152U (en) | A kind of nursing dining table wheelchair | |
| CN201092352Y (en) | Seat regulating mechanism of inclining bicycle | |
| JP3884224B2 (en) | wheelchair | |
| CN203060105U (en) | Height-adjustable armrest of wheel chair | |
| CN208193227U (en) | A kind of manual wheelchair of belt length footrest structure and folding handle | |
| CN210408949U (en) | Body position vehicle for pregnant woman | |
| CN219524108U (en) | Electric vehicle convenient for dining and resting |
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: 20120829 Termination date: 20121228 |