CN213723020U

CN213723020U - Wheelchair pedal mechanism

Info

Publication number: CN213723020U
Application number: CN202022413056.3U
Authority: CN
Inventors: 陈建国; 陈新; 侯晓波
Original assignee: Jerry Medical Instrument Shanghai Co ltd
Current assignee: Jerry Medical Instrument Shanghai Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-07-20
Anticipated expiration: 2030-10-27

Abstract

The utility model discloses a wheelchair running-board mechanism, including the wheelchair body, be equipped with on the wheelchair body with wheelchair body fixed connection's running-board installation pole, and the quantity of running-board installation pole is two, two running-board installation pole is located the preceding tip of handrail on the wheelchair body, two running-board installation pole is close to equal fixedly connected with connecting plate on the ground end port. Through setting up the running-board installation pole and being equipped with kicking block pushing down mechanism, can push down the mechanism through operating the kicking block in the use wheelchair user, can accomplish the action of receiving and releasing to the running-board body, and need not to stir through the foot or other people are supplementary, and oneself sits and just can accomplish convenient and fast through hand control on the wheelchair.

Description

Wheelchair pedal mechanism

Technical Field

The utility model relates to a wheelchair technical field, concretely relates to wheelchair running-board mechanism.

Background

Wheelchairs are chairs equipped with wheels to help replace walking and are classified into electric and manual folding wheelchairs. The wheelchair not only meets the requirements of physical disabilities and mobility-handicapped people for riding instead of walking, but also is more important to facilitate the family members to move and take care of the patients, so that the patients can do physical exercises and participate in social activities by means of the wheelchair.

Ordinary wheelchair in the existing market is in the use, when wheelchair user need get off the wheelchair, need oneself stir the callus on the sole with the foot and make its upset or need other people help turn over the board with the callus on the sole and pack up, and when wheelchair user foot stirred inconvenient time or when no other people were supplementary, then the operation was comparatively difficult, consequently need improve it.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides a wheelchair running-board mechanism, aim at has solved the problem that above-mentioned background art provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a wheelchair pedal mechanism comprises a wheelchair body, wherein pedal plate mounting rods fixedly connected with the wheelchair body are arranged on the wheelchair body, the number of the pedal plate mounting rods is two, the two pedal plate mounting rods are positioned at the front end parts of armrests on the wheelchair body, connecting plates are fixedly connected to the end parts, close to the ground, of the two pedal plate mounting rods, one sides of the connecting plates are hinged to the wheelchair body, mounting grooves are formed in the side, close to the pedal plate body, of the pedal plate mounting rods and extend along the length direction of the pedal plate mounting rods, ejector blocks are connected in the mounting grooves in a sliding mode, one ends of the ejector blocks horizontally extend to the outer portions of the mounting grooves, pull rods are hinged to the ejector blocks, the other ends of the pull rods are hinged to the upper surface of the wheelchair body, springs are fixedly connected to the lower surfaces of the ejector blocks, and the ends, far away from the ejector blocks, of the springs are fixedly connected with the inner bottom walls of the mounting grooves, the pedal mounting rod is provided with a jacking block pressing mechanism;

the kicking block pushes down the mechanism and includes stopper, spacing ring and the spacing inserted bar of rotation connection on running-board installation pole, the spacing ring horizontal welding is on running-board installation pole, spacing inserted bar runs through stopper and spacing ring respectively, and spacing inserted bar is close to foot pedal body end and kicking block surface contact, the perpendicular shift groove has been seted up to the through hole one side of spacing inserted bar on the stopper, and perpendicular shift groove prolongs through hole depth direction and sets up, the horizontal migration groove has been seted up to the horizontal direction on the stopper, and horizontal migration groove and perpendicular shift groove link up, horizontal fixed mounting has the gag lever post on the spacing inserted bar, the groove width in perpendicular shift groove and horizontal migration groove all is not less than the diameter of gag lever post.

Preferably, the limiting block and the limiting ring are both positioned on the same side of the pedal mounting rod as the mounting groove.

Preferably, the width of the vertical moving groove is smaller than the diameter of the limit plug.

Preferably, the end of the limiting inserted rod, far away from the pedal body, is fixedly connected with a handheld ball.

Preferably, the surface area of the top block extending out of the mounting groove is larger than the diameter of the limiting plug.

The utility model has the advantages that:

1. through setting up the running-board installation pole and being equipped with kicking block pushing down mechanism, can push down the mechanism through operating the kicking block in the use wheelchair user, can accomplish the action of receiving and releasing to the running-board body, and need not to stir through the foot or other people are supplementary, and oneself sits and just can accomplish convenient and fast through hand control on the wheelchair.

2. Through setting up kicking block pushing down the mechanism including rotating the stopper of connection on running-board installation pole, when the wheelchair user need be followed the wheelchair and gone up to get up, can upwards extract spacing inserted bar from spacing intra-annular, then swing spacing inserted bar and make it be vertical state, promote spacing inserted bar downwards and make spacing inserted bar bottom and ground contact, provide supplementary strong point for the wheelchair user rises up, make things convenient for wheelchair user's use.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the wheelchair body of the present invention.

Fig. 3 is a sectional view of the structure of the pedal mounting rod of the present invention.

Fig. 4 is a top view of the structure of the position limiting block of the present invention.

The attached drawings are marked as follows: 1 wheelchair body, 2 running-board installation poles, 3 connecting plates, 4 running-board bodies, 5 mounting grooves, 6 kicking blocks, 7 pull rods, 8 springs, 9 kicking block pushing mechanisms, 901 limiting blocks, 902 limiting rings, 903 limiting insertion rods, 904 vertical moving grooves, 905 horizontal moving grooves, 906 limiting rods and 10 handheld balls.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "first", "second", "third", etc. are used only for distinguishing the description, and are not intended to indicate or imply relative importance.

The terms "upper", "lower", "left", "right", "front", "back", "inner", "outer", and the like refer to orientations or positional relationships based on the drawings, or the orientations or positional relationships that are conventionally placed when the utility model is used, and are used only for convenience of describing the utility model and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the utility model.

Referring to fig. 1-4, a wheelchair pedal mechanism comprises a wheelchair body 1, pedal mounting rods 2 fixedly connected with the wheelchair body 1 are arranged on the wheelchair body 1, the number of the pedal mounting rods 2 is two, the pedal mounting rods 2 are distributed in a left-right manner, the two pedal mounting rods 2 are positioned at the front end parts of armrests on the wheelchair body 1, connecting plates 3 are fixedly connected to the ports of the two pedal mounting rods 2 close to the ground, one side of each connecting plate 3 is hinged with a pedal body 4, mounting grooves 5 are formed in the pedal mounting rods 2 close to the sides of the pedal bodies 4, so that a top block 6 can conveniently move up and down in the inner parts of the pedal mounting rods, the mounting grooves 5 are formed along the length direction of the pedal mounting rods 2, jacking blocks 6 are slidably connected in the mounting grooves 5, one ends of the jacking blocks 6 horizontally extend to the outer parts of the mounting grooves 5, pull rods 7 are hinged on the jacking blocks 6, and the other ends of the pull rods 7 are hinged with the upper surface of the pedal bodies 4, the connection between the top block 6 and the pedal body 4 is completed through the pull rod 7, the lower surface of the top block 6 is fixedly connected with a spring 8, one end of the spring 8, far away from the top block 6, is fixedly connected with the inner bottom wall of the mounting groove 5, and the pedal mounting rod 2 is provided with a top block pressing mechanism 9;

the top block pressing mechanism 9 comprises a limiting block 901, a limiting ring 902 and a limiting inserted rod 903 which are rotatably connected on the pedal mounting rod 2, the limiting ring 902 is horizontally welded on the pedal mounting rod 2, the limiting ring 902 is used for limiting the pressing moving direction of the limiting inserted rod 903 so as to prevent the pressing force of the limiting inserted rod 903 from being incapable of acting on the top block 6, the limiting inserted rod 903 respectively penetrates through the limiting block 901 and the limiting ring 902, the end, close to the pedal body, of the limiting inserted rod 903 is contacted with the upper surface of the top block 6, a vertical moving groove 904 is formed in one side of a through hole of the limiting inserted rod 903 on the limiting block 901, when the rotating limiting inserted rod 903 drives the limiting rod 906 to rotate into the vertical moving groove 904, the limiting rod 906 loses an upper limiting action point and a lower limiting action point, the rotating limiting inserted rod 903 can move up and down, the vertical moving groove 904 is formed along the depth direction of the through hole, and a horizontal moving groove 905 is formed in the limiting block 901, and horizontal migration groove 905 and vertical migration groove 904 link up, and the horizontal fixed mounting has gag lever post 906 on spacing inserted bar 903, and the groove width of vertical migration groove 904 and horizontal migration groove 905 is all not less than the diameter of gag lever post 906, makes things convenient for gag lever post 906 can remove at vertical migration groove 904 and horizontal migration groove 905.

Wherein stopper 901 and spacing ring 902 all are located same one side on running-board installation pole 2 with mounting groove 5, the groove width of vertical migration groove 904 is less than the diameter of spacing inserted bar 903, avoid spacing inserted bar 903 to locate outwards to empty from vertical migration groove 904, spacing inserted bar 903 is kept away from running-board body 4 and is served fixedly connected with and holds ball 10, make things convenient for operating personnel to carry out the plug of spacing inserted bar 903, the rotation action, the superficial area that kicking block 6 extends mounting groove 5 is greater than the diameter of spacing inserted bar 903.

The working principle is as follows: when the pedal body 4 needs to be turned over, firstly, the ball 10 is held by a hand to rotate the limit inserted rod 903, so that the limit rod 906 on the limit inserted rod 903 rotates from the horizontal moving groove 905 into the vertical moving groove 904, at the moment, the limit inserted rod 903 is pulled to move upwards, the lower surface of the limit inserted rod 903 is separated from the surface of the top block 6, when the limit inserted rod 903 is separated from the top block 6, the top block 6 loses the acting force of the pressing spring 8, the top block 6 is driven to move upwards in the mounting groove 5 under the action of the elastic force of the spring 8, when the top block 6 moves upwards, the pedal body 4 is pulled to turn over through the pull rod 7, the folding action of the pedal body 4 is completed, when the pedal body 4 needs to be put down again for use, the limit inserted rod 903 penetrates into the limit ring 902 to press the limit inserted rod 903, at the moment, the limit inserted rod 903 is in surface contact with the top block 6, continue to push down spacing inserted bar 903 and promote the elasticity that kicking block 6 overcame spring 8, kicking block 6 moves down in mounting groove 5, the downstream of kicking block 6 promotes pull rod 7 and drives running-board body 4 upset expansion again, rotate spacing inserted bar 903 this moment again and make the gag lever post 906 on the spacing inserted bar 903 slide into the horizontal migration inslot 905 again, pass through kicking block 6 with spacing inserted bar 903 jack-up to the reverse effort of avoiding spring 8, keep the upset state of running-board body 4, thereby solve when wheelchair user foot stirs inconvenience or when no other people are supplementary, the problem of the running-board difficulty of overturning by oneself.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "provided", "connected" and "connected" are to be interpreted broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the present invention described above can be combined with each other as long as they do not conflict with each other.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a wheelchair running-board mechanism, includes wheelchair body (1), be equipped with on wheelchair body (1) with wheelchair body (1) fixed connection's running-board installation pole (2), and the quantity of running-board installation pole (2) is two running-board installation pole (2) are located the preceding tip of handrail on wheelchair body (1), its characterized in that: the two pedal mounting rods (2) are fixedly connected with connecting plates (3) on the end ports close to the ground, a pedal body (4) is hinged on one side of the connecting plate (3), an installation groove (5) is arranged on the side of the pedal installation rod (2) close to the pedal body (4), the mounting groove (5) is arranged along the length direction of the pedal mounting rod (2), the mounting groove (5) is connected with a top block (6) in a sliding way, one end of the top block (6) horizontally extends to the outside of the mounting groove (5), a pull rod (7) is hinged on the top block (6), the other end of the pull rod (7) is hinged with the upper surface of the pedal body (4), the lower surface of the top block (6) is fixedly connected with a spring (8), and one end of the spring (8) far away from the top block (6) is fixedly connected with the inner bottom wall of the mounting groove (5), the pedal mounting rod (2) is provided with a jacking block pressing mechanism (9);

the top block pressing mechanism (9) comprises a limiting block (901), a limiting ring (902) and a limiting inserted rod (903) which are rotatably connected to the pedal mounting rod (2), the limiting ring (902) is horizontally welded to the pedal mounting rod (2), the limiting inserted rod (903) penetrates through the limiting block (901) and the limiting ring (902) respectively, the limiting inserted rod (903) is close to the end of the pedal body and contacts with the upper surface of the top block (6), a vertical moving groove (904) is formed in one side of a through hole of the limiting inserted rod (903) in the limiting block (901), the vertical moving groove (904) is formed in the depth direction of the through hole, a horizontal moving groove (905) is formed in the limiting block (901) in the horizontal direction, the horizontal moving groove (905) is communicated with the vertical moving groove (904), the limiting rod (906) is horizontally and fixedly installed on the limiting inserted rod (903), and the groove width of the vertical moving groove (904) and the horizontal moving groove (905) is not smaller than the diameter of the limiting rod (906) .

2. A wheelchair footrest mechanism in accordance with claim 1, wherein: the limiting block (901) and the limiting ring (902) are both positioned on the same side of the pedal mounting rod (2) with the mounting groove (5).

3. A wheelchair footrest mechanism in accordance with claim 1, wherein: the width of the vertical moving groove (904) is smaller than the diameter of the limiting inserted rod (903).

4. A wheelchair footrest mechanism in accordance with claim 1, wherein: the end, far away from the pedal body (4), of the limiting insert rod (903) is fixedly connected with a handheld ball (10).

5. A wheelchair footrest mechanism in accordance with claim 1, wherein: the surface area of the top block (6) extending out of the mounting groove (5) is larger than the diameter of the limiting insert rod (903).