CN216358640U

CN216358640U - Wheelchair pedal mechanism capable of automatically lifting and adjusting

Info

Publication number: CN216358640U
Application number: CN202123072097.1U
Authority: CN
Inventors: 徐钻金
Original assignee: Foshan Jushuo Hardware Products Co ltd
Current assignee: Foshan Jushuo Hardware Products Co ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-04-22
Anticipated expiration: 2031-12-09

Abstract

The utility model discloses a wheelchair pedal mechanism capable of automatically lifting and adjusting, which comprises a wheelchair seat, wherein one end of the wheelchair seat is provided with a control button, the bottom end of one side of the wheelchair seat is fixedly connected with two supporting columns, the bottom ends of the two supporting columns are rotatably connected with universal wheels, two ends of one side of the wheelchair seat are respectively provided with a lifting component, one side of the two lifting components is provided with a pedal plate, one side of the two supporting columns is provided with an angle adjusting component, when the length is adjusted by arranging the lifting components, the control button controls a first motor to run forwards and backwards, the first motor drives a first conical tooth to drive a second conical tooth to rotate, a screw rod moves upwards and downwards in a screw plate, so that an outer cylinder and an inner cylinder are in contact with each other or separated from each other until the pedal plate is adjusted to the proper length according to needs, and the pedal plate can be adjusted to the proper angle by the arranged angle adjusting component, simple operation and good use effect.

Description

Wheelchair pedal mechanism capable of automatically lifting and adjusting

Technical Field

The utility model relates to the technical field of wheelchairs, in particular to a wheelchair pedal mechanism capable of automatically lifting and adjusting.

Background

The wheelchair is a chair provided with wheels and capable of helping to replace walking, is divided into electric and manual folding wheelchairs, is an important moving tool for home rehabilitation, turnover transportation, diagnosis and outgoing activities of wounded persons, patients and disabled persons, not only meets the requirements of physical disabilities and mobility-handicapped persons for riding instead of walking, but also is more important to facilitate the family members to move and care for the patients, so that the patients can do physical exercises and participate in social activities by means of the wheelchair.

The length and the angle of the pedal part of the existing wheelchair are not easy to adjust according to the use requirement when the pedal part of the existing wheelchair is used, the practicability is greatly reduced, and the improvement is waited.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a wheelchair pedal mechanism capable of automatically adjusting the lifting.

One of the purposes of the utility model is realized by adopting the following technical scheme:

the utility model provides a but wheelchair pedal mechanism of automatic rising regulation, includes the wheel seat support, the one end of wheel seat support is equipped with control button, two pillars of bottom fixed connection of wheel seat support one side, two the bottom of pillar is rotated and is connected with the universal wheel, one side both ends of wheel seat support all are equipped with lifting unit, two one side of lifting unit is equipped with the running-board, two one side of pillar is equipped with angle adjusting part.

Further, the lifting component comprises an outer barrel, two outer barrels are rotatably connected to two end portions of one side of the wheelchair seat through rotating shafts, a first motor is fixedly mounted on the inner portion of each outer barrel above the corresponding outer barrel, a first conical tooth is fixedly connected to the output end of the first motor, a second conical tooth is meshed with one side of the corresponding first conical tooth, a lead screw is fixedly connected to the bottom end of the second conical tooth, an inner barrel is sleeved on the inner side of each outer barrel, a wire plate is fixedly connected to the inner portion of the inner barrel above the corresponding inner barrel, and pedals are fixedly connected to the bottom ends of the inner barrels respectively.

Furthermore, the two outer cylinders are symmetrically arranged.

Furthermore, the outer walls of the two screw rods are in threaded connection with the screw plates in the two inner cylinders respectively.

Further, the angle adjusting assembly includes the deckle board, two the equal fixedly connected with deckle board in one side of pillar, two the equal fixed mounting in inside bottom of deckle board has the second motor, two the equal fixedly connected with screw rod of output of second motor, two the equal solid threaded connection of outer wall of screw rod has the spiral shell piece, two the equal fixedly connected with connecting rod in one side of spiral shell piece, two the equal fixedly connected with slider in one side of connecting rod, two constitute sliding connection between the spout that the outer wall of slider all seted up with two deckle board inner walls, two the opening has all been seted up to one side of deckle board, two the equal fixedly connected with connecting plate in opposite side of spiral shell piece, two the connecting plate all runs through to the open-ended inboard and is connected with the dwang through the pivot rotation.

Furthermore, the inner walls of the two screw blocks are provided with internal threads matched with the outer wall of the screw rod.

Furthermore, the outer walls of the two sliding blocks are matched with the inner walls of the two sliding grooves.

Furthermore, two one end of dwang all is connected with two urceolus rotations respectively through the pivot.

Compared with the prior art, the utility model has the beneficial effects that:

1. by arranging the lifting assembly, when the length is adjusted, the control button controls the first motor to run forwards and backwards, the first motor drives the first conical teeth to drive the second conical teeth to rotate, and the screw rod moves up and down in the wire plate, so that the outer cylinder and the inner cylinder are wedged or separated until the pedal plate is adjusted to the proper length as required;

2. through setting up angle adjustment assembly, when carrying out the angle modulation, control button control second motor positive and negative operation, the second motor drives the spiral shell piece and reciprocates at the outer wall of screw rod, and then the connecting rod produces thereupon with the connecting plate and reciprocates, and the slider slides from top to bottom at the inner wall of spout simultaneously to make the dwang produce and rotate, adjust to suitable angle until driving the running-board, easy and simple to handle, excellent in use effect.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

FIG. 1 is an overall perspective view of the present embodiment;

FIG. 2 is a front cross-sectional view of the present embodiment;

FIG. 3 is an enlarged view of the embodiment at A in FIG. 2;

fig. 4 is an enlarged view of the embodiment at B in fig. 2.

In the figure: 1. a wheelchair seat; 2. a control button; 3. a pillar; 4. a universal wheel; 5. a lifting assembly; 501. an outer cylinder; 502. a first motor; 503. a first tapered tooth; 504. second tapered teeth; 505. a screw rod; 506. an inner barrel; 507. a wire plate; 6. a foot pedal; 7. an angle adjustment assembly; 701. a frame plate; 702. a second motor; 703. a screw; 704. a screw block; 705. a connecting rod; 706. a slider; 707. a chute; 708. an opening; 709. a connecting plate; 710. rotating the rod.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, the present invention provides the following:

example 1:

the utility model provides a but wheelchair pedal mechanism of automatic rising regulation, including wheel seat support 1, the one end of wheel seat support 1 is equipped with control button 2, two pillars 3 of bottom fixed connection of wheel seat support 1 one side, the bottom of two pillars 3 is rotated and is connected with universal wheel 4, one side both ends of wheel seat support 1 all are equipped with lifting unit 5, one side of two lifting unit 5 is equipped with running-board 6, one side of two pillars 3 is equipped with angle adjusting part 7, this wheelchair pedal mechanism can be with running-board 6 according to required regulation to suitable length and angle.

The lifting component 5 comprises outer cylinders 501, two end parts of one side of the wheelchair seat 1 are rotatably connected with the outer cylinders 501 through rotating shafts, the two outer cylinders 501 are symmetrically arranged, first motors 502 are fixedly installed on the inner parts of the two outer cylinders 501, the output ends of the two first motors 502 are fixedly connected with first conical teeth 503, one sides of the two first conical teeth 503 are respectively engaged with second conical teeth 504, the bottom ends of the two second conical teeth 504 are respectively fixedly connected with screw rods 505, the inner sides of the two outer cylinders 501 are respectively sleeved with inner cylinders 506, the inner parts of the two inner cylinders 506 are fixedly connected with wire plates 507, the outer walls of the two screw rods 505 are respectively in threaded connection with the wire plates 507 inside the two inner cylinders 506, the bottom ends of the two inner cylinders 506 are respectively and fixedly connected with pedal plates 6, the control button 2 controls the first motors 502 to operate, the first conical teeth 503 are driven by the first motors 502 to drive the second conical teeth 504 to rotate forwards and backwards, and the screw shaft 505 moves up and down inside the screw plate 507, thereby adjusting the foot board 6 to a proper length as required.

Example 2:

a wheelchair pedal mechanism capable of automatically lifting and adjusting, an angle adjusting component 7 comprises frame plates 701, one sides of two pillars 3 are fixedly connected with the frame plates 701, the bottom ends of the interiors of the two frame plates 701 are fixedly provided with second motors 702, the output ends of the two second motors 702 are fixedly connected with screws 703, the outer walls of the two screws 703 are fixedly and threadedly connected with screw blocks 704, the inner walls of the two screw blocks 704 are provided with internal threads matched with the outer walls of the screws 703, one sides of the two screw blocks 704 are fixedly connected with connecting rods 705, one sides of the two connecting rods 705 are fixedly connected with sliding blocks 706, the outer walls of the two sliding blocks 706 are in sliding connection with sliding grooves 707 formed in the inner walls of the two frame plates 701, the outer walls of the two sliding blocks 706 are matched with the inner walls of the two sliding grooves 707, one sides of the two frame plates 701 are provided with openings 708, the other sides of the two screw blocks 704 are fixedly connected with connecting plates 709, two connecting plates 709 all run through to the inboard of opening 708 and are connected with dwang 710 through the pivot rotation, the one end of two dwang 710 all rotates with two urceolus 501 through the pivot respectively and is connected, control button 2 control second motor 702 operation, second motor 702 drives spiral shell piece 704 and reciprocates at the outer wall of screw rod 703, slider 706 slides from top to bottom at the inner wall of spout 707 simultaneously, along with spiral shell piece 704's removal, dwang 710 produces thereupon and rotates, urceolus 501 produces thereupon and rotates, can adjust running-board 6 to suitable angle, excellent in use effect.

The working principle is as follows: when the length of the mechanism is adjusted, firstly, the control button 2 controls the first motor 502 to operate, the first motor 502 drives the first tapered teeth 503 to drive the second tapered teeth 504 to rotate forwards and backwards, then the screw rod 505 moves up and down inside the screw plate 507, the inner cylinder 506 moves up and down on the inner wall of the outer cylinder 501, the pedal 6 can be adjusted to the proper length, when the mechanism is adjusted in angle, the control button 2 controls the second motor 702 to operate, the second motor 702 drives the screw block 704 to move up and down on the outer wall of the screw rod 703, and the rotating rod 710 rotates along with the movement of the screw block 704, so that the pedal 6 can be adjusted to the proper angle, manual adjustment is not needed, and the mechanism is convenient and fast to use.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides a but wheelchair pedal mechanism of automatic rising regulation, includes wheelchair seat support (1), its characterized in that: the utility model discloses a wheelchair with a wheelchair, including wheel seat support (1), one end of wheel seat support (1) is equipped with control button (2), two bottom fixed connection two pillars (3) of wheel seat support (1) one side, two the bottom of pillar (3) is rotated and is connected with universal wheel (4), one side both ends of wheel seat support (1) all are equipped with lifting unit (5), two one side of lifting unit (5) is equipped with running-board (6), two one side of pillar (3) is equipped with angle adjusting part (7).

2. The wheelchair footrest mechanism capable of automatic elevation adjustment of claim 1, wherein: lifting unit (5) include urceolus (501), one side both ends of wheelchair seat (1) all are connected with urceolus (501) through the pivot rotation, two equal fixed mounting in the top partially of the inside of urceolus (501) has first motor (502), two first taper tooth (503) of the equal fixedly connected with of output of first motor (502), two one side of first taper tooth (503) all meshes and is connected with second taper tooth (504), two the equal fixedly connected with lead screw (505) in bottom of second taper tooth (504), two inner tube (506) have all been cup jointed to the inboard of urceolus (501), two fixedly connected with silk screen (507) in the top partially of the inside of inner tube (506), two the bottom of inner tube (506) is fixedly connected with running-board (6) respectively.

3. The wheelchair footrest mechanism capable of automatic elevation adjustment of claim 2, wherein: the two outer cylinders (501) are symmetrically arranged.

4. The wheelchair footrest mechanism capable of automatic elevation adjustment of claim 2, wherein: the outer walls of the two screw rods (505) are respectively in threaded connection with the screw plates (507) in the two inner cylinders (506).

5. The wheelchair footrest mechanism capable of automatic elevation adjustment of claim 1, wherein: the angle adjusting assembly (7) comprises frame plates (701), one side of each of the two struts (3) is fixedly connected with the frame plate (701), the bottom ends of the insides of the two frame plates (701) are fixedly provided with second motors (702), the output ends of the two second motors (702) are fixedly connected with screw rods (703), the outer walls of the two screw rods (703) are fixedly and threadedly connected with screw blocks (704), one side of each of the two screw blocks (704) is fixedly connected with a connecting rod (705), one side of each of the two connecting rods (705) is fixedly connected with a sliding block (706), the outer walls of the two sliding blocks (706) are slidably connected with sliding grooves (707) formed in the inner walls of the two frame plates (701), one side of each of the two frame plates (701) is provided with an opening (708), and the other side of each of the two screw blocks (704) is fixedly connected with a connecting plate (709), the two connecting plates (709) penetrate through the inner side of the opening (708) and are rotatably connected with a rotating rod (710) through a rotating shaft.

6. The wheelchair footrest mechanism capable of automatic elevation adjustment of claim 5, wherein: the inner walls of the two screw blocks (704) are provided with internal threads matched with the outer wall of the screw rod (703).

7. The wheelchair footrest mechanism capable of automatic elevation adjustment of claim 5, wherein: the outer walls of the two sliding blocks (706) are matched with the inner walls of the two sliding grooves (707).

8. The wheelchair footrest mechanism capable of automatic elevation adjustment of claim 5, wherein: one end of each rotating rod (710) is respectively connected with the two outer cylinders (501) in a rotating mode through a rotating shaft.