CN213723012U - Angle adjusting mechanism of wheelchair cushion - Google Patents
Angle adjusting mechanism of wheelchair cushion Download PDFInfo
- Publication number
- CN213723012U CN213723012U CN202022313128.7U CN202022313128U CN213723012U CN 213723012 U CN213723012 U CN 213723012U CN 202022313128 U CN202022313128 U CN 202022313128U CN 213723012 U CN213723012 U CN 213723012U
- Authority
- CN
- China
- Prior art keywords
- nut
- lead screw
- angle
- connecting rod
- driven gear
- 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
- 230000007246 mechanism Effects 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009471 action Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000003414 extremity Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000004417 patella Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
Abstract
The utility model discloses an angle adjustment mechanism of wheelchair cushion for the regulation of wheelchair cushion and horizontal angle, including lead screw, nut, connecting rod, pivot, driven gear, driving gear and handle, handle fixed connection driving gear, driving gear and driven gear meshing, driven gear fixed connection lead screw, lead screw and nut threaded connection, the nut rotates with the lower extreme of connecting rod to be connected, and the pivot is rotated with the upper end of connecting rod and is connected, and the lead screw lead angle is less than the equivalent friction angle of nut. The utility model discloses novel structure thinks about ingeniously, waves the handle and drives the driving gear rotatory to it is rotatory to drive driven gear, drives the lead screw rotation then, and then drives the nut of two symmetries and move in opposite directions or dorsad, under the effect of connecting rod, the pivot rises or descends, finally realizes that the contained angle between cushion and horizontal plane is adjusted wantonly in the certain limit, and whole operation process is simple and convenient laborsaving simultaneously, makes the wheelchair user obtain comfortable taking experience.
Description
Technical Field
The utility model relates to the technical field of wheelchairs, in particular to an angle adjusting mechanism of a wheelchair cushion.
Background
With the continuous progress of society and the continuous improvement of living standard of people, the requirements of people on life are more diversified and functionalized. The existing common wheelchair generally comprises a foldable frame, front and rear wheels, left and right kneecaps, a pedal, left and right detachable armrests, a handle brake device, a seat and a backrest. The wheelchair has single function, only meets the function of riding instead of walking of the disabled and the mobility-handicapped, and fails to enable the wheelchair user to have comfortable riding experience. Therefore, it is necessary to provide an angle adjusting mechanism for a wheelchair seat which is easy to operate and convenient to use.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides an angle adjustment mechanism of wheelchair cushion has solved current ordinary wheelchair function singleness, only satisfies the function of riding instead of walk of limbs wounded and handicapped personage, fails to make the wheelchair user possess comfortable the problem of experience ordinary wheelchair of taking.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an angle adjustment mechanism of wheelchair cushion for the regulation of wheelchair cushion and horizontal angle, includes lead screw, nut, connecting rod, pivot, driven gear, driving gear and handle, handle fixed connection the driving gear, the driving gear with driven gear meshes, driven gear fixed connection the lead screw, the lead screw with nut threaded connection, the nut with the lower extreme of connecting rod is rotated and is connected, the pivot with the upper end of connecting rod is rotated and is connected, the screw lead angle of rise of lead screw is less than the equivalent friction angle of nut.
Preferably, two symmetrical nuts move towards or away from each other on the screw rod.
Preferably, the wheel diameter of the driving gear is larger than that of the driven gear, so that labor is saved.
Preferably, the nut is rotatably connected with the lower end of the connecting rod through a pin shaft, and the upper end of the connecting rod is rotatably connected with the rotating shaft through a pin shaft.
Preferably, the handle is provided with an anti-slip rubber sleeve.
Preferably, the rotating shaft is fixedly connected with the wheelchair cushion.
(III) advantageous effects
The utility model provides an angle adjusting mechanism of a wheelchair cushion. The method has the following beneficial effects:
(1) the utility model discloses a wheelchair cushion, including a wheelchair seat, a handle, a plurality of drive gears, and a plurality of connecting rods, the angle adjustment mechanism of this wheelchair cushion, height according to the user, position of sitting habit etc, it is rotatory to drive the driving gear through shaking the handle, and then it is rotatory to drive driven gear, rotatory driven gear drives the screw rod rotation, then drive the nut of two symmetries in opposite directions or dorsad, under the effect of connecting rod, the pivot rises or descends, finally drive the wheelchair cushion and rise or descend and adjust the angle of cushion and horizontal plane, realize that the contained angle between cushion and horizontal plane is adjusted wantonly at the certain limit, the convenience that the cushion was adjusted and the travelling comfort of taking have greatly been promoted in the use.
(2) According to the angle adjusting mechanism of the wheelchair cushion, the wheel diameter of the driving gear is larger than that of the driven gear, and the lead screw lead angle is smaller, so that the whole lifting process is more labor-saving.
(3) This angle adjustment mechanism of wheelchair cushion, the lead screw lead angle of lead screw is less than the equivalent friction angle of nut, the screw pair of nut department need not locking device alright automatic locking, makes the user obtain more comfortable the experience of taking.
Drawings
FIG. 1 is a schematic view of the overall front view structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the utility model from the right;
fig. 3 is a schematic view of the overall overlooking structure of the present invention.
In the figure: 1. a screw rod; 2. a nut; 3. a connecting rod; 4. a rotating shaft; 5. a driven gear; 6. a driving gear; 7. a handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, the utility model provides a technical solution: the utility model provides an angle adjustment mechanism of wheelchair cushion, includes lead screw 1, two nuts 2, two connecting rods 3, pivot 4, driven gear 5, driving gear 6 and handle 7, handle 7 fixed connection driving gear 6, driving gear 6 and driven gear 5 meshing, driven gear 5 fixed connection lead screw 1, lead screw 1 respectively with two nut 2 threaded connection, two nuts 2 rotate with the lower extreme of two connecting rods 3 respectively and are connected, pivot 4 rotates with the upper end of two connecting rods 3 respectively and is connected. Drive driving gear 6 rotatory through waveing handle 7, and then drive driven gear 5 rotatory, rotatory driven gear 5 drives lead screw 1 rotatory, drives the nut 2 of two symmetries then and moves in opposite directions or dorsad, under the effect of connecting rod 3, pivot 4 rises or descends, finally drives the wheelchair cushion and rises or descend and adjust the angle of cushion and horizontal plane, realizes that the contained angle between cushion and horizontal plane is adjusted wantonly at the certain limit. Meanwhile, the lead screw 1 has a smaller lead angle, so that the whole lifting process is more labor-saving, and the lead screw 1 has a lead angle smaller than the equivalent friction angle of the nut 2, so that the screw pair at the nut can be automatically locked without a locking device.
As an optimal technical solution of the utility model: as shown in fig. 1, two symmetrical nuts 2 move on a spindle 1 toward or away from each other.
As an optimal technical solution of the utility model: as shown in figure 2, the diameter of the driving gear 6 is larger than that of the driven gear 5, so that the whole lifting process is more labor-saving.
As an optimal technical solution of the utility model: as shown in fig. 1, the two nuts 2 are respectively rotatably connected to the lower ends of the two connecting rods 3 through pin shafts, and the upper end of the connecting rod 3 is rotatably connected to the rotating shaft 4 through a pin shaft.
As an optimal technical solution of the utility model: the handle 7 is provided with an antiskid rubber sleeve.
As an optimal technical solution of the utility model: the rotating shaft 4 is fixedly connected with the wheelchair cushion.
To sum up, can obtain, this angle adjustment mechanism of wheelchair cushion, height according to the user, position of sitting habit etc, it is rotatory to drive driving gear 6 through waveing handle 7, and then it is rotatory to drive driven gear 5, rotatory driven gear 5 drives lead screw 1 rotatory, then drive the nut 2 of two symmetries in opposite directions or dorsad, under the effect of connecting rod 3, pivot 4 rises or descends, finally drive the wheelchair cushion and rise or descend and adjust the angle of cushion and horizontal plane, realize that the contained angle between cushion and horizontal plane is adjusted wantonly at the certain limit, the convenience that the cushion was adjusted and the travelling comfort of taking have greatly been promoted in the use. Meanwhile, the diameter of the driving gear 6 is larger than that of the driven gear 5, and the lead screw 1 has a smaller lead screw lead angle, so that the whole lifting process is more labor-saving, and the lead screw 1 has a lead screw lead angle smaller than the equivalent friction angle of the nut 2, so that the screw pair at the nut can be automatically locked without a locking device.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an angle adjustment mechanism of wheelchair cushion which characterized in that: including lead screw (1), nut (2), connecting rod (3), pivot (4), driven gear (5), driving gear (6) and handle (7), handle (7) fixed connection driving gear (6), driving gear (6) with driven gear (5) meshing, driven gear (5) fixed connection lead screw (1), lead screw (1) with nut (2) threaded connection, nut (2) with the lower extreme of connecting rod (3) rotates to be connected, pivot (4) with the upper end of connecting rod (3) rotates to be connected, the lead screw (1) lead screw lead angle is less than the equivalent friction angle of nut (2).
2. The angle adjusting mechanism of a wheelchair cushion as claimed in claim 1, wherein: the two symmetrical nuts (2) move oppositely or reversely on the screw rod (1).
3. The angle adjusting mechanism of a wheelchair cushion as claimed in claim 1, wherein: the wheel diameter of the driving gear (6) is larger than that of the driven gear (5).
4. The angle adjusting mechanism of a wheelchair cushion as claimed in claim 1, wherein: the nut (2) is rotatably connected with the lower end of the connecting rod (3) through a pin shaft, and the upper end of the connecting rod (3) is rotatably connected with the rotating shaft (4) through a pin shaft.
5. The angle adjusting mechanism of a wheelchair cushion as claimed in claim 1, wherein: and the handle (7) is provided with an anti-slip rubber sleeve.
6. The angle adjusting mechanism of a wheelchair cushion as claimed in claim 1, wherein: the rotating shaft (4) is fixedly connected with the wheelchair cushion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022313128.7U CN213723012U (en) | 2020-10-17 | 2020-10-17 | Angle adjusting mechanism of wheelchair cushion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022313128.7U CN213723012U (en) | 2020-10-17 | 2020-10-17 | Angle adjusting mechanism of wheelchair cushion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213723012U true CN213723012U (en) | 2021-07-20 |
Family
ID=76850248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022313128.7U Expired - Fee Related CN213723012U (en) | 2020-10-17 | 2020-10-17 | Angle adjusting mechanism of wheelchair cushion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213723012U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114889680A (en) * | 2022-04-21 | 2022-08-12 | 国家电网有限公司 | Transformer substation master control room auxiliary construction equipment with lifting stool |
-
2020
- 2020-10-17 CN CN202022313128.7U patent/CN213723012U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114889680A (en) * | 2022-04-21 | 2022-08-12 | 国家电网有限公司 | Transformer substation master control room auxiliary construction equipment with lifting stool |
| CN114889680B (en) * | 2022-04-21 | 2023-10-03 | 国家电网有限公司 | Auxiliary construction equipment with lifting stool for transformer substation main control room |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111374841B (en) | Self-service self-balancing electric multifunctional wheelchair for old people to climb stairs | |
| KR20100082425A (en) | Clip on type motor wheel chair module | |
| CN213723012U (en) | Angle adjusting mechanism of wheelchair cushion | |
| CN109431701B (en) | Intelligent wheelchair robot with leg rehabilitation training and stair climbing functions | |
| CN2776365Y (en) | Multifunction wheel chair/bed | |
| CN105362005A (en) | Adjustable wheelchair | |
| CN108478344A (en) | Multifunctional wheelchair | |
| CN210903721U (en) | Wheel chair | |
| CN108477890B (en) | Multifunctional health-care office chair | |
| CN202459033U (en) | Multifunctional rehabilitation nursing wheelchair bed | |
| WO2020173709A1 (en) | Motorised mobility device | |
| CN109481162B (en) | Manually adjustable wheelchair | |
| CN2191653Y (en) | multifunctional electric wheelchair | |
| CN217960570U (en) | Nursing bed with standing position function | |
| CN215020756U (en) | Multifunctional wheelchair for old people | |
| CN208910739U (en) | Multifunctional wheelchair | |
| CN211485297U (en) | Wheelchair with protection function for nursing old people | |
| CN211023891U (en) | Walking assisting device for disabled and old people | |
| CN111888114A (en) | All-terrain multifunctional wheelchair | |
| CN113081531A (en) | Wheelchair with height-adjustable armrests | |
| CN208808888U (en) | A kind of lifting folding type wheel-chair | |
| CN220327603U (en) | Novel wheelchair for assisting old people to safely use toilet | |
| CN216365596U (en) | Wheelchair for clinical care convenient to adjust | |
| CN216985445U (en) | Wheelchair with supporting plate for hemiplegic patient | |
| CN220089809U (en) | Anti-falling wheelchair |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210720 |