CN212090005U

CN212090005U - Hand-operated wheelchair

Info

Publication number: CN212090005U
Application number: CN202020422200.7U
Authority: CN
Inventors: 朱江涛; 向文林; 邹加兵; 刘继辉; 汤颖颖; 许立; 黄子亮; 陈可夫; 张琦
Original assignee: Zuodian Industrial Hubei Co Ltd
Current assignee: Zuodian Industrial Hubei Co Ltd
Priority date: 2020-03-28
Filing date: 2020-03-28
Publication date: 2020-12-08
Anticipated expiration: 2030-03-28

Abstract

The utility model relates to a wheelchair technical field specifically is a manual wheelchair, which comprises a vehicle rack, the last skin weld of frame has the cushion board, the bottom of frame is rotated and is connected with the bull wheel, the bottom of frame is provided with damper, damper's bottom is provided with climbing rank mechanism, the rear portion welding of frame has the back to lean on the frame, the elasticity cloth has been cup jointed on the surface of back to lean on the frame, the skin weld of back to lean on the frame has the side to hold up, the bottom of cushion board is provided with handrail mechanism, the both sides welding of cushion board has the hack lever. This manual wheelchair will realize rotating through the effect of tripod and make above-mentioned wheel and ground upset contact, realizes an effect of climbing the step, has improved security and the travelling comfort that the patient used the wheelchair, and the protection in the dead ahead of patient is provided to the fixed of pole of holding up before simultaneously, blocks the patient, provides the function of an handrail simultaneously, avoids the unstable condition that appears the landing wheelchair of patient's focus.

Description

Hand-operated wheelchair

Technical Field

The utility model relates to the technical field of wheelchairs, in particular to a manual wheelchair.

Background

Wheelchairs are chairs equipped with wheels to help replace walking and are classified into electric and manual folding wheelchairs. The wheelchair is an important mobile tool for home rehabilitation, turnover transportation, treatment and outing activities of wounded persons, patients and disabled persons, and not only meets the requirements of physically disabled persons and persons with mobility disabilities for riding instead of walking.

In the process of using a plurality of current wheelchairs, a patient is very inconvenient to move on small steps in the moving process, the small wheels are very hard to lift on the steps in the moving process of the wheelchairs, the gravity center of the patient cannot be kept in the force exerting process easily to cause upward turning, and great accidents are caused. In view of this, we propose a manual wheelchair.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a manual wheelchair to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a manual wheelchair, includes the frame, the upper surface welding of frame has the cushion board, the bottom of frame is rotated and is connected with the bull wheel, the bottom of frame is provided with damper, damper's bottom is provided with climbs rank mechanism, the rear portion welding of frame has the back to lean on the frame, the elasticity cloth has been cup jointed on the surface of back to lean on the frame, the skin weld of back to lean on the frame has the side to hold up, the bottom of cushion board is provided with handrail mechanism, the both sides welding of cushion board has the scaffold pole, the skin weld of scaffold pole has two scaffold boards.

Preferably, the grab rail has all been welded to the both sides of frame, dustproof cloth has all been bonded on the surface of grab rail, the surface of dustproof cloth has hidden bag through the needle and line sewing.

Preferably, handrail mechanism is including fixed cover, the spout has been seted up to the inside of fixed cover, the inside sliding connection of spout has the slide bar, the skin weld of slide bar has preceding pole of holding up, the top welding of preceding pole of holding up has held up the handle, the surface of holding up the handle has cup jointed the antiskid cover, the surface of preceding pole of holding up passes through arc card strip and cushion board joint.

Preferably, the upper surface of the fixed sleeve is provided with an abdicating groove, and the surface of the fixed sleeve is welded at the bottom of the cushion plate.

Preferably, damper is including the wheel support, the inside welding of wheel support has the fixed axle, the skin weld of fixed axle has first connecting rod and second connecting rod, the top of first connecting rod and second connecting rod all rotates and is connected with the sliding block, the inside sliding connection of sliding block has fixed loop bar, the dashpot has been seted up to the bottom of frame, the both ends welding of fixed loop bar is at the internal face of dashpot, two first springs and second spring have been cup jointed respectively on the surface of fixed loop bar, the second spring is located between two first springs.

Preferably, the step climbing mechanism comprises a tripod, the inside of the tripod is rotatably connected with three arc-shaped wheels, and the three arc-shaped wheels are distributed in a circular array mode by taking the center of the tripod as a symmetrical shaft.

Preferably, the number of the tripods is two, a wheel shaft is rotatably connected between the two tripods, and two ends of the wheel shaft are connected to the inner part of the wheel support through bearings.

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

1. this manual wheelchair, effect through the tripod will realize rotating make above-mentioned wheel and ground upset contact, realize one effect of climbing the step, and the in-process of climbing the step must produce vibration, the effect through two first springs carries out mutual offset with the vibration that the wheelchair received this moment, reduce the vibration that jolts and cause with this, thereby use the wheelchair to reduce the vibration to the health in some highway sections of jolting or the highway sections of climbing to the patient, protect patient's health, the security and the travelling comfort that the patient used the wheelchair have been improved.

2. This manual wheelchair, through holding up the pole outside the slip of the inside of fixed cover with preceding, later rotatory ninety degrees, hold up the pole vertical alignment patient in front, fix, provide the protection in the dead ahead of patient, block the patient, provide the function of an handrail simultaneously, avoid the condition that the landing wheelchair appears in patient's focus unstability, and can directly hold up the pole shrink to the inside of fixed cover in front when not using, easy operation convenient and fast to the protection effect is showing.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the armrest mechanism of the present invention;

FIG. 3 is a schematic view of a damping mechanism of the present invention;

fig. 4 is a schematic view of the middle climbing step mechanism of the present invention.

In the figure: 1. a frame; 2. a rear leaning frame; 3. elastic cloth; 4. a side handle; 5. a grab rail; 6. a dust cloth; 7. an armrest mechanism; 71. a front support rod; 72. a handle is supported; 73. fixing a sleeve; 74. an arc-shaped clamping strip; 75. a chute; 76. a slide bar; 77. a yielding groove; 8. a damping mechanism; 81. a wheel carrier; 82. a fixed shaft; 83. a first link; 84. a second link; 85. a slider; 86. a first spring; 87. a second spring; 88. fixing the loop bar; 89. a buffer tank; 9. a step climbing mechanism; 91. a wheel shaft; 92. a tripod; 93. an arc wheel; 10. hiding the bag; 11. a leg rest bar; 12. a footrest plate; 13. a cushion plate; 14. a large wheel.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a manual wheelchair, including frame 1, the upper surface welding of frame 1 has cushion board 13, the bottom of frame 1 is rotated and is connected with big wheel 14, the bottom of frame 1 is provided with damper 8, damper 8's bottom is provided with climbing rank mechanism 9, the rear portion welding of frame 1 has back rest frame 2, the surface of back rest frame 2 has cup jointed elasticity cloth 3, the skin weld of back rest frame 2 has side handrail 4, the bottom of cushion board 13 is provided with handrail mechanism 7, the both sides welding of cushion board 13 has scaffold pole 11, the skin weld of scaffold pole 11 has two scaffold boards 12.

In this embodiment, grab rail 5 has all been welded to the both sides of frame 1, and dustproof cloth 6 has all been bonded on the surface of grab rail 5, and the surface of dustproof cloth 6 has hidden bag 10 through the sewing of needle and line, provides some pockets and places idle miscellaneous article, and dustproof cloth 6 then can avoid the dust on the bull wheel 14 to cause the pollution to patient's clothing.

Further, handrail mechanism 7 is including fixed cover 73, spout 75 has been seted up to the inside of fixed cover 73, the inside sliding connection of spout 75 has slide bar 76, the skin weld of slide bar 76 has preceding pole 71 of holding up, the top welding of preceding pole 71 has holds up handle 72, the surface of holding up handle 72 has cup jointed anti-skidding cover, the surface of preceding pole 71 passes through arc card strip 74 and cushion board 13 joint, hold up preceding pole 71 outwards to slide from the inside of fixed cover 73, later rotatory ninety degrees, preceding pole 71 will slide and rotate in spout 75, hold up the vertical patient of aiming at of pole 71, the handrail protection that provides the patient the place ahead and the condition that blocks unstable patient's focus and slide.

Furthermore, the upper surface of the fixing sleeve 73 is provided with a yielding groove 77, the surface of the fixing sleeve 73 is welded at the bottom of the cushion plate 13, the yielding groove 77 provides a space for the front support rod 71 to rotate, and the condition of rotation interference cannot occur.

In addition, damper 8 is including wheel support 81, the inside welding of wheel support 81 has fixed axle 82, the skin weld of fixed axle 82 has first connecting rod 83 and second connecting rod 84, the top of first connecting rod 83 and second connecting rod 84 all rotates and is connected with sliding block 85, the inside sliding connection of sliding block 85 has fixed loop bar 88, buffer slot 89 has been seted up to the bottom of frame 1, the both ends welding of fixed loop bar 88 is at the internal face of buffer slot 89, two first springs 86 and second spring 87 have been cup jointed respectively on the surface of fixed loop bar 88, second spring 87 is located between two first springs 86, the vibration that receives the wheelchair through the effect of two first springs 86 carries out mutual offset, reduce the vibration that jolts and cause with this.

Further, climb rank mechanism 9 including tripod 92, the inside rotation of tripod 92 is connected with three arc wheel 93, and three arc wheel 93 all uses the center of tripod 92 to distribute as symmetry axis circular array, and the effect through tripod 92 will realize rotating and make above-mentioned wheel and ground upset contact, realizes an effect of climbing the step.

It is worth noting that two tripods 92 are arranged, a wheel shaft 91 is rotatably connected between the two tripods 92, two ends of the wheel shaft 91 are connected inside the wheel bracket 81 through bearings, and the wheel can move and climb steps more stably on the wheelchair through symmetrical arrangement.

When the manual wheelchair of the utility model is used, the whole wheelchair can be moved by pushing the big wheel 14, when the wheelchair passes through the ground with a plurality of steps, the rotation can be realized by the action of the tripod 92 so that the wheel above is in contact with the ground in a turnover way, the effect of climbing a small step can be realized, the vibration in the step climbing process can be generated certainly, the vibration received by the wheelchair can be mutually offset by the action of the two first springs 86, the vibration caused by jolt can be reduced, the front support rod 71 can slide outwards from the inside of the fixed sleeve 73 in the road sections with a plurality of downward slopes, and then the front support rod 71 rotates ninety degrees, the front support rod 71 can slide and rotate in the chute 75, the front support rod 71 is vertically aligned with the patient, the arc-shaped clamping strip 74 is used for fixing, the protection in front of the patient is provided, the patient is blocked, the function of an armrest is provided simultaneously, the condition that the gravity center of the patient is unstable, and the handrail 71 can be directly retracted inside the fixed sleeve 73 when not in use.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A manual wheelchair comprising a frame (1), characterized in that: the utility model discloses a bicycle frame, including frame (1), upper surface welding has cushion plate (13), the bottom of frame (1) is rotated and is connected with cart wheel (14), the bottom of frame (1) is provided with damper (8), damper (8)'s bottom is provided with climbs rank mechanism (9), the rear portion welding of frame (1) has back rest frame (2), elasticity cloth (3) have been cup jointed on the surface of back rest frame (2), the skin weld of back rest frame (2) has the side to hold up handle (4), the bottom of cushion plate (13) is provided with handrail mechanism (7), the both sides welding of cushion plate (13) has scaffold pole (11), the skin weld of scaffold pole (11) has two scaffold boards (12).

2. The manual wheelchair of claim 1 wherein: the utility model discloses a bicycle frame, including frame (1), handrail pole (5) all weld in the both sides of frame (1), dustproof cloth (6) have all been bonded on the surface of handrail pole (5), hidden bag (10) have been sewed up through the needle and thread to the surface of dustproof cloth (6).

3. The manual wheelchair of claim 1 wherein: handrail mechanism (7) are including fixed cover (73), spout (75) have been seted up to the inside of fixed cover (73), the inside sliding connection of spout (75) has slide bar (76), the surface welding of slide bar (76) has preceding handrail (71), the top welding of preceding handrail (71) has handrail (72), the surface of handrail (72) has cup jointed anti-skidding cover, the surface of preceding handrail (71) is through arc card strip (74) and cushion board (13) joint.

4. The manual wheelchair of claim 3 wherein: the upper surface of fixed cover (73) has seted up the groove of stepping down (77), the surface welding of fixed cover (73) is in the bottom of cushion board (13).

5. The manual wheelchair of claim 1 wherein: damper (8) are including wheel support (81), the inside welding of wheel support (81) has fixed axle (82), the skin weld of fixed axle (82) has first connecting rod (83) and second connecting rod (84), the top of first connecting rod (83) and second connecting rod (84) is all rotated and is connected with sliding block (85), the inside sliding connection of sliding block (85) has fixed loop bar (88), dashpot (89) have been seted up to the bottom of frame (1), the both ends welding of fixed loop bar (88) is at the internal face of dashpot (89), two first spring (86) and second spring (87) have been cup jointed respectively on the surface of fixed loop bar (88), second spring (87) are located between two first spring (86).

6. The manual wheelchair of claim 1 wherein: climb rank mechanism (9) including tripod (92), the inside rotation of tripod (92) is connected with three arc wheel (93), and three arc wheel (93) all use the center of tripod (92) to distribute as symmetry axis circular array.

7. The manual wheelchair of claim 6 wherein: the number of the triangular supports (92) is two, a wheel shaft (91) is rotatably connected between the two triangular supports (92), and two ends of the wheel shaft (91) are connected to the inner part of the wheel support (81) through bearings.