CN112370255A

CN112370255A - Wheel chair

Info

Publication number: CN112370255A
Application number: CN202011259665.6A
Authority: CN
Inventors: 伍向阳; 丁晓云; 夏丽娟; 王群; 刘娟; 苏娟; 张永灵; 杨桂梅; 李丹; 陶花; 汤菲; 刘美荣; 王海云; 何培培; 宋佳倩; 李贞�
Original assignee: First Affiliated Hospital of Anhui Medical University
Current assignee: First Affiliated Hospital of Anhui Medical University
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-02-19

Abstract

The invention relates to a wheelchair, which comprises a wheelchair main body, wherein a supporting plate extends from one side or two sides of the front end of the wheelchair main body or is detachably installed on one side or two sides of the front end of the wheelchair main body, and when the supporting plate is installed on the wheelchair main body, the supporting plate and the vertical front end surface of the wheelchair main body are distributed in a vertical state or in a state that an included angle is an acute angle; when the user sits on the wheelchair, the user's shank can be placed in the backup pad, guarantees that the patient can conveniently adjust the range of drooping of suffering from the limb, avoids suffering from the limb and influencing venous blood backward flow because of drooping for a long time to lead to suffering from the problem of limb too swelling.

Description

Wheel chair

Technical Field

The invention relates to the technical field of leg rehabilitation, in particular to a wheelchair.

Background

Some recovered patients of shank often need to move about through the wheelchair, but to lower limbs fracture patient, affected limb influences venous blood backward flow easily if flagging for a long time to lead to affected limb too swelling, influenced affected limb and recovered.

Disclosure of Invention

The invention aims to provide a wheelchair to solve the problem that the affected limb is too swollen due to the fact that the affected limb droops for a long time and venous blood backflow is easily influenced in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme:

a wheelchair comprises a wheelchair main body, wherein a supporting plate extends from one side or two sides of the front end of the wheelchair main body, and the supporting plate and the vertical front end surface of the wheelchair main body are distributed in a vertical state or in a state of an acute included angle; when a user sits on the wheelchair, the user's legs can rest on the support plate.

A wheelchair comprises a wheelchair main body, wherein a supporting plate is detachably arranged on one side or two sides of the front end of the wheelchair main body; when the supporting plate is arranged on the wheelchair main body, the supporting plate and the vertical front end surface of the wheelchair main body are distributed in a vertical state or in an acute angle state; when a user sits on the wheelchair, the user's legs can rest on the support plate.

On the basis of the technical scheme, the supporting plate is rotatably connected to the top of a vertical plate, an adjusting device for adjusting the rotating angle of the supporting plate is fixed on the vertical plate, and the vertical plate is detachably installed at the front end of the wheelchair main body through a mounting device.

On the basis of the technical scheme, adjusting device includes lead screw, movable sleeve, catch bar, rotates the slider and rotates the spout, lead screw one end is passed through the bearing and is connected in vertical board bottom inner wall, movable sleeve threaded connection is in the lead screw outer wall, catch bar is kept away from backup pad one side fixed connection and is connected in rotating the slider in movable sleeve, other end rotation, it sets up in the backup pad bottom to rotate the spout, it connects in rotation spout to rotate slider sliding connection.

On the basis of the technical scheme, the adjusting device further comprises a lifting slide block and a lifting slide groove, the lifting slide block is fixedly connected to the movable sleeve, the lifting slide groove is formed in the inner side wall of the vertical plate, and the lifting slide block is in vertical sliding fit with the lifting slide groove.

On the basis of the technical scheme, the adjusting device further comprises a limiting plate, a first gear, a second gear and a motor, the limiting plate is fixedly connected to the inner wall of the vertical plate, the other end of the screw rod penetrates through the limiting plate and is fixedly connected to the first gear, the first gear is meshed with the second gear, and the output end of the motor is inserted into the vertical plate and is connected to the second gear.

On the basis of the technical scheme, the mounting device comprises a first connection block, a second threaded hole and a second threaded rod, the first connection block and the first connection block are fixedly connected to the second connection block and the first connection block on the opposite side face of the wheelchair main body and the vertical plate respectively, the first connection block and the second connection block are clamped, the second threaded hole is formed in the vertical plate, the first connection block and the second connection block respectively, and the second threaded rod is in threaded connection with the second threaded hole.

On the basis of the technical scheme, the protective device comprises a fixed plate, a movable plate and a sleeve, wherein the fixed plate and the sleeve are symmetrically and fixedly connected to the top end of the supporting plate, the movable plate is connected inside the fixed plate in a sliding mode, and the movable plate corresponds to the sleeve.

On the basis of the technical scheme, the protective device further comprises a first threaded hole and a first threaded rod, the first threaded hole is formed in the corresponding position of the fixed plate and the movable plate, and the first threaded rod is in threaded connection with the first threaded hole.

Compared with the prior art, the invention has the beneficial effects that: the backup pad is being installed or the wheelchair that the backup pad was extended to the front end that extends at current wheelchair main part is provided, utilizes the backup pad to be the decurrent distribution state of level or slope, and when the user sat on the wheelchair, user's shank can be placed in the backup pad, guarantees that the patient can conveniently adjust the flagging range of suffering from the limb, avoids suffering from the limb and influences venous blood backward flow because of flagging for a long time to lead to suffering from the problem of limb too swelling.

Drawings

FIG. 1 is a schematic view of a wheelchair in accordance with an embodiment of the present invention;

FIG. 2 is a schematic structural view of a wheelchair in accordance with a second embodiment of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic structural view of the front cross-sectional view of the present invention;

FIG. 5 is a side view of the support plate of the present invention;

FIG. 6 is a side view, cross-sectional structural diagram of the supporting plate of the present invention.

The reference numbers in the figures are: 1. a wheelchair main body; 2. a vertical plate; 311. a screw rod; 312. a movable sleeve; 313. a push rod; 314. rotating the slide block; 315. rotating the chute; 316. a lifting slide block; 317. a lifting chute; 318. a limiting plate; 319. a first gear; 320. a second gear; 321. a motor; 4. a support plate; 511. a fixing plate; 512. a movable plate; 513. a first threaded hole; 514. a first threaded rod; 515. a sleeve; 611. a first engagement block; 612. a second engagement block; 613. a second threaded hole; 614. a second threaded rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The first embodiment is as follows:

referring to fig. 1, the present embodiment provides a wheelchair including a wheelchair main body 1, the structure of which belongs to the prior art, and fig. 1 only shows a wheelchair main body structure which is common in the prior art, but other wheelchair structures meeting the requirements should be included in the technical scope of the present invention. A support plate 4 extends from one side of the front end of the wheelchair main body 1, and both sides of the front end of the wheelchair main body can be designed to extend out of the support plate; the supporting plate 4 and the vertical front end surface of the wheelchair main body 1 are distributed in a vertical state or in an acute angle state; when the user sits on the wheelchair, the user's shank can be placed in backup pad 4, so can guarantee that the patient can conveniently adjust the flagging range of suffering from the limb, avoid suffering from the limb and influence venous blood backward flow because of flagging for a long time to lead to suffering from the problem of limb too swelling.

Example two:

referring to fig. 2 to 6, the present embodiment provides a wheelchair including a wheelchair main body 1, the structure of which belongs to the prior art, and fig. 1 only shows a wheelchair main body structure which is common in the prior art, but other wheelchair structures meeting the requirements should be included in the technical scope of the present invention. One side or two sides of the front end of the wheelchair main body 1 are detachably provided with supporting plates 4; the supporting plate 4 is rotatably connected to the top of a vertical plate 2, an adjusting device for adjusting the rotating angle of the supporting plate is fixed on the vertical plate 2, and the vertical plate 2 is detachably mounted at the front end of the wheelchair main body 1 through a mounting device. When the support plate 4 is arranged on the wheelchair main body 1, the support plate 4 and the vertical front end surface of the wheelchair main body 1 are distributed in a vertical state or in an acute angle; when the user sits on the wheelchair, the user's legs can be placed on the support plate 4.

The adjusting device comprises a screw 311, a movable sleeve 312, a push rod 313, a rotating slide block 314, a rotating chute 315, a lifting slide block 316, a lifting chute 317, a limiting plate 318, a first gear 319, a second gear 320 and a motor 321, wherein one end of the screw 311 is connected to the inner wall of the bottom end of the vertical plate 2 through a bearing, the movable sleeve 312 is in threaded connection with the outer wall of the screw 311, one side of the push rod 313, which is far away from the supporting plate 4, is fixedly connected to the movable sleeve 312, the other end of the push rod is rotatably connected to the rotating slide block 314, the rotating chute 315 is arranged at the bottom end of the supporting plate 4, the rotating slide block 314 is in sliding connection with the rotating chute 315, the movable sleeve 312 and the push rod 313 can be driven to vertically reciprocate through the rotating screw 311, the rotating slide block 314 slides inside the rotating chute 315 to further push the, thus, the affected limb can not droop to affect venous blood return, thereby not causing excessive swelling. Lifting slide 316 fixed connection is in movable sleeve 312, and lifting chute 317 sets up in vertical board 2 inside wall, lifting slide 316 and the vertical sliding fit of lifting chute 317, can guarantee through setting up lifting slide 316 and lifting chute 317 that movable sleeve 312 is enough stable when being vertical removal, can not drive catch bar 313 and take place to rock. Limiting plate 318 fixed connection is in vertical 2 inner walls of board, and the limiting plate 318 is passed to the lead screw 311 other end and fixed connection in first gear 319, and first gear 319 meshes with second gear 320, the output of motor 321 inserts vertical 2 insides and connects in second gear 320, can drive second gear 320 and first gear 319 to rotate through opening motor 321 to drive lead screw 311 and rotate, this kind of design can make things convenient for patient's operation lead screw 311 to rotate, makes backup pad 4 pivoted mode more laborsaving. When the patient needs to put the affected limb flat, the included angle between the vertical plate 2 and the supporting plate 4 is 90 degrees; if the patient wants to place the leg at an acute angle, the patient can adjust the motor 321 to work to drive the included angle between the support plate 4 and the vertical plate 2 to be smaller; if the supporting device is not needed, the wheelchair can be detached from the wheelchair, and the use mode is diversified.

The wheelchair provided by the embodiment is not only suitable for orthopedic patients with injured lower limbs, but also suitable for non-orthopedic patients, and the lower limbs can be placed in a comfortable position according to the requirement; the principle is the same, and the description is omitted here; all fall within the scope of protection of the present application.

The mounting device comprises a first connecting block 611, a second connecting block 612, a second threaded hole 613 and a second threaded rod 614, the wheelchair main body 1 and the vertical plate 2 are fixedly connected to the second connecting block 612 and the first connecting block 611 on opposite sides respectively, the first connecting block 611 and the second connecting block 612 are clamped, the second threaded hole 613 is formed in the vertical plate 2, the first connecting block 611 and the second connecting block 612 respectively, the second threaded rod 614 is in threaded connection with the second threaded hole 613, the second threaded rod 614 is rotated through work, the second threaded rod 614 is gradually separated from the first threaded hole 613 in the first connecting block 611 and the second connecting block 612 under the action of threads, the first connecting block 611 and the second connecting block 612 are not blocked by limit any more at the moment, a worker can pull the vertical plate 2 upwards to separate the supporting device from the wheelchair main body 1, and the operation is more convenient, the supporting devices on the two sides of the wheelchair main body 1 are convenient to replace, so that the actual condition of a patient can be conveniently used.

The protection device comprises a fixed plate 511, a movable plate 512, a first threaded hole 513, a first threaded rod 514 and a sleeve 515, wherein the fixed plate 511 and the sleeve 515 are symmetrically and fixedly connected to the top end of the supporting plate 4, the movable plate 512 is slidably connected inside the fixed plate 511, the movable plate 512 corresponds to the sleeve 515, the movable plate 512 is slid inside the fixed plate 511 by pulling the movable plate 512, when the movable plate 512 is embedded inside the sleeve 515, a closed space is defined by the fixed plate 511 and the movable plate 512 and the supporting plate 4, after a patient puts a limb into the closed space, a protection effect can be achieved, the limb is prevented from being touched by mistake, the condition of the limb is prevented from being aggravated due to collision, and other accidents such as scalding, water dripping and the like can be avoided, the first threaded hole 513 is formed at the corresponding position of the fixed plate 511 and the movable plate 512, the first threaded rod 514 is in threaded connection with the first threaded hole 513, thereby improving the stability of the movable plate 512. The protection device can be used for preventing the affected limb from other accidents such as collision, injury and scald.

The working principle is as follows: when the supporting plate 4 needs to be adjusted to rotate, the motor 321 is started to drive the second gear 320 and the first gear 319 to rotate, so that the screw rod 311 is driven to rotate, the movable sleeve 312 gradually moves downwards under the action of the threads, the sliding block 314 is rotated to slide in the rotating sliding groove 315, the supporting plate 4 is pulled to be rotated anticlockwise to a horizontal distribution state, and the affected limb of the patient is placed on the supporting plate 4 to be supported.

When the affected limb needs to be protected, the first threaded rod 514 can be pulled along the arc direction of the fixed plate 511 so as to drive the movable plate 512 to extend out of the fixed plate 511, as shown in fig. 4 and 5, at this time, the movable plate 512 is gradually embedded into the sleeve 515, and then the patient can rotate the first threaded rod 514 and fix the movable plate 512 and the fixed plate 511 under the action of the threads on the inner wall of the first threaded hole 513. When the vertical plate 2 and the wheelchair main body 1 need to be detached, the second threaded rod 614 is rotated to gradually separate from the interior of the first joining block 611 and the second joining block 612 under the action of the threads, at the moment, the first joining block 611 and the second joining block 612 are not limited any more, and a worker can pull the vertical plate 2 upwards to separate the first joining block 611 and the second joining block 612.

Claims

1. A wheelchair comprising a wheelchair body (1), characterized in that: a support plate (4) extends from one side or two sides of the front end of the wheelchair main body (1), and the support plate (4) and the vertical front end surface of the wheelchair main body (1) are distributed in a vertical state or in a state of acute included angle; when the user sits on the wheelchair, the legs of the user can be placed on the support plate (4).

2. A wheelchair comprising a wheelchair body (1), characterized in that: one side or two sides of the front end of the wheelchair main body (1) are detachably provided with a support plate (4); when the support plate (4) is arranged on the wheelchair main body (1), the support plate (4) and the vertical front end surface of the wheelchair main body (1) are distributed in a vertical state or in a state of acute included angle; when the user sits on the wheelchair, the legs of the user can be placed on the support plate (4).

3. The wheelchair of claim 2 wherein: the wheelchair is characterized in that the supporting plate (4) is rotatably connected to the top of a vertical plate (2), an adjusting device for adjusting the rotating angle of the supporting plate (4) is fixed on the vertical plate (2), and the vertical plate (2) is detachably installed at the front end of the wheelchair main body (1) through a mounting device.

4. A wheelchair in accordance with claim 3, wherein: adjusting device includes lead screw (311), movable sleeve (312), catch bar (313), rotates slider (314) and rotates spout (315), lead screw (311) one end is passed through the bearing and is connected in vertical board (2) bottom inner wall, movable sleeve (312) threaded connection is in lead screw (311) outer wall, backup pad (4) one side fixed connection is kept away from in catch bar (313) movable sleeve (312), the other end rotates and connects in rotating slider (314), it locates backup pad (4) bottom to rotate spout (315), it connects in rotation spout (315) sliding connection to rotate slider (314).

5. The wheelchair of claim 4 wherein: adjusting device still includes lift slider (316) and lift spout (317), lift slider (316) fixed connection is in movable sleeve (312), vertical board (2) inside wall is seted up in lift spout (317), lift slider (316) with the vertical sliding fit of lift spout (317).

6. The wheelchair of claim 5 wherein: the adjusting device further comprises a limiting plate (318), a first gear (319), a second gear (320) and a motor (321), the limiting plate (318) is fixedly connected to the inner wall of the vertical plate (2), the other end of the screw rod (311) penetrates through the limiting plate (318) and is fixedly connected to the first gear (319), the first gear (319) is meshed with the second gear (320), and the output end of the motor (321) is inserted into the vertical plate (2) and is connected to the second gear (320).

7. A wheelchair in accordance with claim 3, wherein: the mounting device comprises a first connection block (611), a second connection block (612), a second threaded hole (613) and a second threaded rod (614), wherein the opposite side surfaces of the wheelchair main body (1) and the vertical plate (2) are respectively and fixedly connected to the second connection block (612) and the first connection block (611), the first connection block (611) and the second connection block (612) are clamped, the second threaded hole (613) is respectively formed in the vertical plate (2), the first connection block (611) and the second connection block (612), and the second threaded rod (614) is in threaded connection with the second threaded hole (613).

8. The wheelchair of claim 1 wherein: still including protector, protector includes fixed plate (511), movable plate (512) and sleeve (515), fixed plate (511) and sleeve (515) symmetry fixed connection are in backup pad (4) top, movable plate (512) sliding connection is inside fixed plate (511), movable plate (512) and sleeve (515) correspond.

9. The wheelchair of claim 8 wherein: the protection device further comprises a first threaded hole (513) and a first threaded rod (514), the first threaded hole (513) is formed in the corresponding position of the fixed plate (511) and the movable plate (512), and the first threaded rod (514) is in threaded connection with the first threaded hole (513).