CN210301457U - Liftable and deployable wheelchair - Google Patents
Liftable and deployable wheelchair Download PDFInfo
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- CN210301457U CN210301457U CN201821480079.2U CN201821480079U CN210301457U CN 210301457 U CN210301457 U CN 210301457U CN 201821480079 U CN201821480079 U CN 201821480079U CN 210301457 U CN210301457 U CN 210301457U
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- backrest
- wheelchair
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- 230000007246 mechanism Effects 0.000 claims abstract description 71
- 230000000694 effects Effects 0.000 abstract description 22
- 230000003028 elevating effect Effects 0.000 abstract description 9
- 238000011010 flushing procedure Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000284 resting effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model relates to a liftable and deployable wheelchair, include: the wheelchair comprises a wheelchair chassis, a lifting mechanism arranged on the wheelchair chassis and a seat arranged on the lifting mechanism; the seat comprises a backrest mechanism, a seat cushion part and a foot leaning mechanism which are sequentially hinged; wherein said backrest mechanism is adapted to be tipped rearwardly flush with said seat cushion portion; and the foot leaning mechanism is suitable for rotating upwards to be flush with the seat cushion part. This kind of liftable and deployable wheelchair realizes through elevating system that the back effect is realized to the holistic lift effect of seat, through back mechanism, realizes the effect of leaning on through cushion portion, realizes the effect of placing the foot through leaning on foot mechanism, can realize empting through back mechanism to flushing with cushion portion and leaning on foot mechanism can realize upwards rotating to the setting that flushes with cushion portion, has realized the effect of stretcher, and the lift of cooperation elevating system, the patient of being convenient for replaces the bed.
Description
Technical Field
The utility model relates to a wheelchair, in particular to a liftable and unfoldable wheelchair.
Background
The wheelchair in the prior art can only generally play a role in pushing to advance, and has a single function and a simple structure;
secondly, when the patient cannot sit up, the patient can only rely on a stretcher or a bed which is lifted by manpower, but cannot be transferred by adopting a wheelchair;
furthermore, the backrest of the wheelchair is straight and cannot be adjusted, so that the wheelchair is inconvenient for a patient to lie comfortably.
Therefore, in view of the above problems, it is necessary to design a new wheelchair to perform the lifting and unfolding functions.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is that the wheelchair backrest is straight, can not adjust, is not convenient for the comfortable wheelchair among lying and the prior art of patient, generally only can play the effect of promoting to advance, problem that the effect is single
In order to solve the technical problem, the utility model provides a liftable and deployable wheelchair, include:
the wheelchair comprises a wheelchair chassis, a lifting mechanism arranged on the wheelchair chassis and a seat arranged on the lifting mechanism;
the seat comprises a backrest mechanism, a seat cushion part and a foot leaning mechanism which are sequentially hinged; wherein
The backrest mechanism is suitable for being tilted backwards to be flush with the seat cushion part; and
the foot rest mechanism is adapted to rotate upward to be flush with the seat cushion portion.
Preferably, the lifting mechanism comprises at least one lifting driving part and two lifting parts; wherein
The lifting driving part is suitable for driving the lifting part to lift the seat up and down.
Preferably, the lifting driving part is a linear moving pair;
the lifting part comprises a plurality of groups of hinged rod groups which are mutually hinged;
the hinge rod group comprises two hinge rods with mutually hinged waist parts; and is
The lower ends of two hinged rods in the hinged rod group at the lowest part are respectively hinged with the sliding end of the linear moving pair and the wheelchair chassis; the upper end of the hinged rod group positioned at the uppermost part is respectively hinged with the bottom of the seat and a slide rail roller positioned at the bottom of the seat; namely, it is
The seat is driven to lift through the telescopic movement of the linear moving pair.
Preferably, the reclining mechanism includes a reclining part hinged to a front edge of the seat cushion part, and a reclining driving mechanism; wherein
The foot leaning driving mechanism is suitable for pushing the foot leaning part so that the foot leaning part rotates to be flush with the cushion part.
Preferably, the backrest mechanism comprises a backrest part hinged with the rear edge of the cushion part and a backrest driving mechanism; wherein
The backrest driving mechanism is adapted to pull back the backrest portion so that the backrest portion is flush with the seat cushion portion.
Preferably, the backrest part is provided with a fixed shaft, a rotating arm is hinged to the fixed shaft, and one end of the rotating arm is hinged to the backrest driving mechanism; wherein
The backrest driving mechanism is suitable for pulling back the rotating arm so that the rotating arm drives the backrest part to rotate to be horizontal to the cushion part.
Preferably, both sides of the backrest part are respectively provided with a convex end;
the wheelchair also comprises two limiting parts which are respectively matched with the convex ends; wherein
The limiting part comprises a horizontal rod extending towards one side of the cushion part, a vertical rod perpendicular to the horizontal rod, and an arc-shaped rod fixed on the horizontal rod and the vertical rod; and
the arc-shaped rod is provided with a guide rail suitable for clamping the convex end towards the backrest part; when the backrest part is inclined backwards, the convex end is driven to slide along the guide rail.
The beneficial effects of the utility model are that, the utility model discloses a liftable and deployable wheelchair realizes through elevating system that the back effect is realized to the holistic lift effect of seat, through back mechanism, realizes the effect of leaning on through cushion portion, realizes the effect of placing the foot through leaning on foot mechanism, can realize empting to flushing with cushion portion and leaning on foot mechanism can realize upwards rotating to the setting that flushes with cushion portion through back mechanism, realized the effect of stretcher, cooperation elevating system's lift, the patient of being convenient for replaces the position.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a perspective view of a preferred embodiment of a liftable and deployable wheelchair of the present invention;
FIG. 2 is a schematic structural view of a preferred embodiment of the chair of the present invention;
fig. 3 is a block diagram of a preferred embodiment of the hinge rod assembly of the present invention.
In the figure:
a wheelchair chassis 1;
an elevating mechanism 2, an elevating drive part 21;
an elevating section 22;
a hinge bar group 221, a first hinge bar 221A, a second hinge bar 221B, a hinge shaft 221C, a roller 221D;
a seat 3;
a backrest mechanism 31, a backrest driving mechanism 311, a backrest 312, a rotating arm 313 and a fixed shaft 314;
a seat part 32, a slide rail 321;
a foot rest mechanism 33, a foot rest 331, a foot rest drive mechanism 332;
a limiting part 4, a horizontal rod 41 and a vertical rod 42;
an arc-shaped rod 43 and a guide rail 431.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
FIG. 1 is a perspective view of a preferred embodiment of a liftable and deployable wheelchair of the present invention;
FIG. 2 is a schematic structural view of a preferred embodiment of the chair of the present invention;
fig. 3 is a block diagram of a preferred embodiment of the hinge rod assembly of the present invention.
The utility model discloses a liftable and deployable wheelchair can realize that the lift of seat comes the height of adjusting the seat to the seat can expand and form the stretcher, and the patient of being convenient for lies, when patient need replace the bed, rises the stretcher to the same height of the bed that needs to replace, is convenient for change the bed. The whole of wheelchair, the function is various, and simple structure reduces the participation of manpower.
As shown in fig. 1, the utility model discloses a liftable and deployable wheelchair, include: the wheelchair comprises a wheelchair chassis 1, a lifting mechanism 2 arranged on the wheelchair chassis 1 and a seat 3 arranged on the lifting mechanism 2; the seat 3 comprises a backrest mechanism 31, a seat cushion part 32 and a foot leaning mechanism 33 which are sequentially hinged; wherein the backrest mechanism 31 is adapted to be tipped backwards to be flush with the cushion portion 32; and the footrest mechanism 33 is adapted to rotate upward to be flush with the cushion part 32.
The utility model discloses a liftable and deployable wheelchair realizes to the holistic lift effect of seat 3 through elevating system 2, realize the back effect through back mechanism 31, realize the effect of leaning on through cushion portion 32, realize the effect of placing the foot through leaning on foot mechanism 33, can realize empting to flushing with cushion portion 32 and leaning on foot mechanism 33 through back mechanism 31 and can realize upwards rotating to the setting that flushes with cushion portion 32, the effect of stretcher bed has been realized, cooperation elevating system 2's lift, the patient of being convenient for replaces the bed.
In the present embodiment, the lifting mechanism 2 includes at least one lifting drive portion 21 and two lifting portions 22; wherein
The lifting/lowering driving unit 21 is adapted to drive the lifting/lowering unit 22 to lift and lower the seat 3 up and down.
In the scheme, the cushion part 32 on the seat 3 is fixed on the lifting part 22, and the lifting driving part 21 works to drive the lifting part 22 to work, so that the lifting part 22 is lifted to drive the cushion part 32 to be lifted, and the whole seat 3 is driven to be lifted;
at the same time, the lifting unit 22 works again to drive the cushion unit 32 to descend, thereby driving the seat 3 to descend in a step-by-step manner.
As shown in fig. 1, 2 and 3, in the present embodiment, the lifting/lowering driving part 21 is a linear moving pair; the lifting part 22 comprises a plurality of hinge rod groups 221 which are hinged with each other; the hinge rod group 221 includes two hinge rods whose waist portions are hinged to each other; the lower ends of two hinged rods in the hinged rod group 221 at the lowest part are respectively hinged with the sliding end of the linear moving pair and the wheelchair chassis 1; the upper end of the hinge rod group 221 positioned at the uppermost part is respectively hinged with the bottom of the seat 3 and the slide rail roller positioned at the bottom of the seat; namely, the linear moving pair moves to drive the hinge rod group to extend and retract so as to drive the seat 3 to lift.
When the seat cushion is a set of hinge rods, the lower end of the first hinge rod 221A is hinged to the sliding end of the linear sliding pair, and the upper end is hinged to the seat cushion 32; the lower end of the second hinge rod 221B is hinged with the wheelchair chassis 1, and the upper end is hinged with a hinge shaft 221C; one end of the hinge shaft 221C has a roller 221D, and the roller 221D is rollably disposed in the slide rail 321 of the cushion part 32; wherein the upper ends of the first hinge lever 221A and the second hinge lever 221B are adapted to be unfolded or contracted when the sliding end slides.
When the hinge rod group is a plurality of groups, the upper ends of the first hinge rod 221A and the second hinge rod 221B of the group are hinged in the same manner, and the specific connection form of the first hinge rod 221A and the second hinge rod 221B of the first group is the same as that of the first hinge rod 221A and the second hinge rod 221B of the first group.
The linear moving pair is a linear moving lead screw pair controlled by a motor, and a sliding end in the linear moving pair is a sliding block in the linear moving lead screw pair.
When the motor manipulation slider slides, the lower end of the first hinge lever 221A and the lower end of the second hinge lever 221B approach each other, and the upper end of the second hinge lever 221A and the upper end of the second hinge lever 221B approach each other, thereby lifting the seat 3.
When the motor-operated slider slides in the reverse direction, the lower end of the first hinge lever 221A and the lower end of the second hinge lever 221B are away from each other, and the upper end of the second hinge lever 221A and the upper end of the second hinge lever 221B are away from each other, so that the seat 3 is lowered.
As shown in fig. 3, in the present embodiment, the reclining mechanism 33 includes a reclining part 331 hinged to the front edge of the seat cushion part 32, and a reclining driving mechanism 332; wherein
The foot resting driving mechanism 332 is adapted to push the foot resting portion 331 so that the foot resting portion 331 rotates to be flush with the cushion portion 32.
The foot-leaning driving mechanism 332 is a push rod motor, the shell of the push rod motor is hinged on the base, the base is fixed on the bottom surface of the cushion part, and the end part of the push rod motor can push the foot-leaning part 331 to enable the foot-leaning part to move upwards. Meanwhile, in the process that the push rod motor rotates upwards, the hinged part of the push rod motor and the base can also rotate relatively.
In the present embodiment, the backrest mechanism 31 includes a backrest portion 312 hinged to a rear edge of the cushion portion 32, and a backrest driving mechanism 311; wherein
The backrest driving mechanism 311 is adapted to pull back the backrest part 312 so that the backrest part 312 is flush with the cushion part 32.
The backrest driving mechanism 311 is a push rod motor, a housing of the push rod motor is hinged to the base, the base is fixed to the bottom surface of the cushion part, and the end part of the push rod motor can push the backrest part 312, so that the backrest driving mechanism rotates downwards. Meanwhile, in the process that the push rod motor rotates downwards, the hinged part of the push rod motor and the base can also rotate relatively.
In this embodiment, the backrest 312 is provided with a fixed shaft 314, a rotating arm 313 is hinged on the fixed shaft 314, and one end of the rotating arm 313 is hinged with the backrest driving mechanism 311; the backrest driving mechanism 311 is adapted to pull back the rotating arm 313, so that the rotating arm 313 drives the backrest 312 to rotate to be horizontal to the seat part 32.
The rotating arm is hinged with the end part of the motor of the push rod motor.
In this embodiment, the two sides of the backrest 312 are respectively provided with a convex end; the wheelchair also comprises two limiting parts 4 which are respectively matched with the convex ends; wherein
The limiting part 4 comprises a horizontal rod 41 extending to one side of the cushion part 32, a vertical rod 42 vertical to the horizontal rod 41, and an arc-shaped rod 43 fixed on the horizontal rod 41 and the vertical rod 42; and
the arc-shaped rod 43 is provided with a guide rail 431 suitable for clamping the convex end towards the backrest part 312; when the backrest 312 is tilted backwards, the convex end is driven to slide along the guide rail 431.
When the push rod motor pushes the backrest part 312, the backrest part 312 rotates, and in the rotating process, the convex end rotates in the guide rail 431 of the arc-shaped rod 43, so that the guide effect is achieved by means of the guide rail 431, and meanwhile, after the backrest part 312 is flushed with the cushion part 32, the convex end is also located at the end of the guide rail 431, so that the prevention effect is achieved, the rotation transition is placed, and a good top support effect can be achieved when a patient lies down.
To sum up, the utility model discloses a liftable and deployable wheelchair has not only realized the effect of marcing of wheelchair, simultaneously, through turning over a mobilizable stretcher of formation that turns over, makes patient can lie flat, and both ends then can be gripped the promotion by the nurse, through the effect of lift, satisfies the change of the not bed of co-altitude, reduces the nurse and lifts up the strength that patient need consume.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. A liftable and deployable wheelchair, comprising:
the wheelchair comprises a wheelchair chassis (1), a lifting mechanism (2) arranged on the wheelchair chassis (1), and a seat (3) arranged on the lifting mechanism (2);
the seat (3) comprises a backrest mechanism (31), a cushion part (32) and a leg leaning mechanism (33) which are hinged in sequence; wherein
The backrest mechanism (31) is adapted to be tipped backwards to be flush with the seat cushion portion (32); and
the foot rest mechanism (33) is adapted to rotate up to be flush with the cushion part (32).
2. Liftable and deployable wheelchair according to claim 1,
the lifting mechanism (2) comprises at least one lifting driving part (21) and two lifting parts (22); wherein
The lifting driving part (21) is suitable for driving the lifting part (22) to lift the seat (3) up and down.
3. Liftable and deployable wheelchair according to claim 2,
the lifting driving part (21) is a linear moving pair;
the lifting part (22) comprises a plurality of hinge rod groups (221) which are hinged with each other;
the hinge rod group (221) comprises two hinge rods with mutually hinged waist parts; and is
The lower ends of two hinged rods in the hinged rod group (221) at the lowest part are respectively hinged with the sliding end of the linear moving pair and the wheelchair chassis (1); the upper end of the hinge rod group (221) positioned at the uppermost part is respectively hinged with the bottom of the seat (3) and a slide rail roller positioned at the bottom of the seat; namely, it is
The seat (3) is driven to lift through the telescopic movement of the linear moving pair.
4. Liftable and deployable wheelchair according to claim 1,
the foot leaning mechanism (33) comprises a foot leaning part (331) hinged with the front edge of the cushion part (32) and a foot leaning driving mechanism (332); wherein
The foot-leaning driving mechanism (332) is suitable for pushing the foot-leaning part (331) so as to enable the foot-leaning part (331) to rotate to be flush with the cushion part (32).
5. Liftable and deployable wheelchair according to claim 1,
the backrest mechanism (31) comprises a backrest part (312) hinged with the rear edge of the cushion part (32) and a backrest driving mechanism (311); wherein
The backrest driving mechanism (311) is adapted to pull back the backrest part (312) so that the backrest part (312) is flush with the cushion part (32).
6. Liftable and deployable wheelchair according to claim 5,
the backrest part (312) is provided with a fixed shaft (314), a rotating arm (313) is hinged on the fixed shaft (314), and one end of the rotating arm (313) is hinged with the backrest driving mechanism (311); wherein
The backrest driving mechanism (311) is suitable for pulling back the rotating arm (313) so that the rotating arm (313) drives the backrest part (312) to rotate to be horizontal to the cushion part (32).
7. Liftable and deployable wheelchair according to claim 6,
convex ends are respectively arranged at two sides of the backrest part (312);
the wheelchair also comprises two limiting parts (4) which are respectively matched with the convex ends; wherein
The limiting part (4) comprises a horizontal rod (41) extending towards one side of the cushion part (32), a vertical rod (42) vertical to the horizontal rod (41), and an arc-shaped rod (43) fixed on the horizontal rod (41) and the vertical rod (42); and
the arc-shaped rod (43) is provided with a guide rail (431) which is suitable for clamping the convex end towards the backrest part (312); when the backrest part (312) is inclined backwards, the convex end is driven to slide along the guide rail (431).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821480079.2U CN210301457U (en) | 2018-09-10 | 2018-09-10 | Liftable and deployable wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821480079.2U CN210301457U (en) | 2018-09-10 | 2018-09-10 | Liftable and deployable wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210301457U true CN210301457U (en) | 2020-04-14 |
Family
ID=70121297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821480079.2U Expired - Fee Related CN210301457U (en) | 2018-09-10 | 2018-09-10 | Liftable and deployable wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210301457U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113208825A (en) * | 2021-05-13 | 2021-08-06 | 湖南应用技术学院 | Quickly-assembled and quickly-disassembled lifting wheelchair |
-
2018
- 2018-09-10 CN CN201821480079.2U patent/CN210301457U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113208825A (en) * | 2021-05-13 | 2021-08-06 | 湖南应用技术学院 | Quickly-assembled and quickly-disassembled lifting wheelchair |
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| 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: 20200414 Termination date: 20200910 |
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| CF01 | Termination of patent right due to non-payment of annual fee |