CN217391056U - Armrest structure of wheelchair and wheelchair - Google Patents

Abstract

The utility model discloses a handrail structure of a wheelchair and the wheelchair, which comprises a pair of vertical rods and a pair of handrail parts, wherein the vertical rods are provided with connecting parts, the rear sides of the connecting parts are provided with rotating parts, the tail ends of the handrail parts are connected to the rotating parts through adjusting rods, and the handrail parts, the connecting parts and the rotating parts form symmetrical structures at the two sides of the vertical rods; the armrest part can rotate to the horizontal around the rotating part and is abutted against the connecting part, and can also be lifted upwards to rotate to the vertical around the rotating part and is positioned behind the vertical rod. The utility model is used for the wheelchair just can use with the back of wheelchair jointly, and handrail portion is rotatable design, and has 270 degrees pivoted degrees of freedom, and when need not use handrail portion, handrail portion can overturn to the pole setting rear side, and handrail portion is located the rotation portion below this moment, can not influence the usage space of back top.

Description

Armrest structure of wheelchair and wheelchair

Technical Field

The utility model belongs to the technical field of wheelchair device, concretely relates to handrail structure and wheelchair of wheelchair.

Background

Wheelchairs generally provide a seating arrangement for persons who are injured, ill or otherwise unable to walk autonomously to move from one area to another. In order to provide support and comfort to the arms, wheelchair armrests need to be provided on both sides of the wheelchair. The existing wheelchair armrests are convenient to store and enable a patient to get in and out of the wheelchair from the side edges, and the armrests are designed to rotate relative to the wheelchair frame. However, the turning angle of the current turnable wheelchair armrest is designed to be turned upwards from a horizontal state, on one hand, the top end of the turned wheelchair armrest is higher due to the limited turning angle, and the use space of a pushing handle at the top end of a wheelchair backrest is influenced; on the other hand, the armrests are not completely limited at the back side after being turned over, and a user can obviously feel the squeezing feeling brought by the armrests at the left side and the right side of the body.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a handrail structure of wheelchair, including a pair of pole setting and a pair of handrail portion, be equipped with connecting portion in the pole setting, the connecting portion rear side is equipped with the rotation portion, and handrail portion tail end is connected to the rotation portion through adjusting the pole, connecting portion include the fixing base of connecting in the pole setting and the limiting plate of horizontally connect in fixing base lateral wall bottom, and the one end that the fixing base was kept away from to the limiting plate is equipped with the curb plate, and fixing base, limiting plate and curb plate form a block groove, and the connecting portion rear end still is equipped with a pair of otic placode, and the otic placode is connected respectively at fixing base back wall edge and curb plate rear end; the rotating portion comprises a circular shaft connected between the ear plates and a rotating ring sleeved on the circular shaft, a clamping block is connected to the front end of the rotating ring and is matched with the clamping groove, and when the armrest portion rotates forwards to the horizontal position around the rotating portion, the clamping block is clamped with the clamping groove.

Further preferred is the above-mentioned means

Be connected with the mounting panel between the fixing base, the antetheca and the fixing base antetheca parallel and level of mounting panel.

Further preferred as the above-mentioned means

The ear plate is provided with a through hole, two ends of the round shaft penetrate through the through hole and are connected with the ear plate through fastening rings, and the fastening rings are in threaded connection with the round shaft.

Further preferred is the above-mentioned means

The adjusting rod comprises a first loop bar and a second loop bar sleeved in the first loop bar, an elastic rubber pad covers the surface of the second loop bar, the other end of the second loop bar is connected to the front wall of the clamping block, and the armrest part is connected with the first loop bar in a clamping mode.

Further preferred as the above-mentioned means

The armrest part comprises a panel, a clamping sleeve arranged below the panel and a soft cushion covering the surface of the panel, the clamping sleeve is made of elastic materials and arranged along the length direction of the panel, and the clamping sleeve is clamped with the first sleeve rod.

Further preferred is the above-mentioned means

The front end of the first sleeve rod is further provided with a positioning ring, the outer side wall of the panel is further provided with a position yielding port, and the position yielding port is close to the front end of the panel.

Another object of the present invention is to provide a wheelchair, including an armrest structure of the wheelchair.

The beneficial effects of the utility model are specifically as follows:

(1) the utility model provides a handrail structure, be used for the wheelchair and can use with the back of wheelchair jointly, handrail portion is rotatable design, and has 270 degrees pivoted degrees of freedom, when not needing to use handrail portion, handrail portion can overturn to the pole setting rear side, and handrail portion is located the rotation portion below this moment, can not influence the usage space above the back (for example in the prior art, some handrails can upturn 90 degrees, but can influence the use comfort that the nurse who promotes the wheelchair at the back promoted the wheelchair), the position design of its accomodating is more reasonable comfortable, make handrail portion can not influence the space of whole back left and right sides, can not let the left and right sides of user's health touch handrail portion, produce the sense of squeezing, also more make things convenient for the user wheelchair from left and right sides about the wheelchair simultaneously; the connecting part is designed, which not only has the function of connecting the rotating part, but also can horizontally support the armrest part without an additional supporting structure;

(2) the utility model designs the adjusting rod, which can adjust the distance between the armrest part and the rotating part, different users can finely adjust the position of the armrest part according to own needs, when the user with longer arm uses the adjusting rod, the first sleeve rod is pulled forward to drive the armrest part to move forward; the positioning ring and the abdicating opening are designed, when the front and rear positions of the armrest part need to be adjusted, a user can have better force through the adjustment of the abdicating opening, and the abdicating opening is formed in the outer side wall of the panel, so that the convenience degree is improved; specifically, when the armrest part needs to be adjusted to move forwards, a user pushes the armrest part through the position opening, and due to the fact that the clamping sleeve is abutted to the positioning ring, when the armrest part is pushed forwards, relative displacement cannot be generated between the armrest part and the first sleeve rod, and the first sleeve rod can be pushed forwards by pushing the armrest part; when the armrest part needs to be adjusted to move backwards, the armrest part and the first sleeve rod can be directly pushed from the front end, and the armrest is more flexible and convenient.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a perspective view of an armrest structure of a wheelchair according to an embodiment;

FIG. 2 is an enlarged partial schematic view of FIG. 1;

FIG. 3 is another enlarged partial schematic view of FIG. 1;

FIG. 4 is a schematic structural view of an armrest part, an adjustment lever, a rotating part and a connecting part in embodiment 1;

FIG. 5 is a schematic view of the structure of a connecting part in embodiment 1;

fig. 6 is an exploded view of the armrest part and the adjustment lever in embodiment 1;

fig. 7 is an exploded view of the armrest part, the rotating part, and the connecting part in embodiment 1;

labeled as: 1. erecting a rod; 2. an armrest portion; 21. a panel; 211. a let position port; 22. a soft cushion; 23. a ferrule; 3. adjusting a rod; 31. a first loop bar; 311. a positioning ring; 32. a second loop bar; 4. a rotating part; 41. a clamping block; 42. rotating the ring; 5. a connecting portion; 51. a fixed seat; 52. a side plate; 53. a limiting plate; 54. an ear plate; 55. a circular shaft; 551. a fastening ring; 56. a clamping groove; 6. mounting a plate; 7. an upper connecting rod; 8. a lower connecting rod.

Detailed Description

The present invention will be further described with reference to the following specific examples. These examples are provided only for illustrating the present invention and are not intended to limit the scope of the present invention. The structural features of the present invention will now be described in detail with reference to the accompanying drawings.

Example 1

Referring to fig. 1, the present embodiment provides a handrail structure of a wheelchair, which includes a pair of vertical rods 1 and a pair of handrail portions 2, wherein a connecting portion 5 is disposed on the vertical rod 1, a rotating portion 4 is disposed behind the connecting portion 5, a tail end of the handrail portion 2 is connected to the rotating portion 4 through an adjusting rod 3, and the handrail portions 2, the connecting portion 5, and the rotating portion 4 form a symmetrical structure at two sides of the vertical rod 1. The armrest part 2 can rotate to the horizontal around the rotating part 4 and is abutted against the connecting part 5, and can also be lifted upwards and rotate to the vertical around the rotating part 4 and is positioned behind the vertical rod 1.

With reference to fig. 3, 4, 5 and 7, in this embodiment, the structure of the connecting portion 5 is specifically: referring to fig. 5, the device comprises a fixed seat 51 connected to the vertical rod 1 and a limit plate 53 horizontally connected to the bottom end of the side wall of the fixed seat 51, wherein the fixed seat 51 can be connected with the vertical rod 1 through the matching of a connecting hole and a bolt, and the connecting hole on the fixed seat 51 is preferably arranged on the inner side wall or the rear wall surface of the fixed seat 51; the end of the limit plate 53 far away from the fixed seat 51 is vertically provided with a side plate 52, the side wall of the fixed seat 51, the limit plate 53 and the side plate 52 form a clamping groove 56, the rear end of the connecting part 5 is further provided with a pair of ear plates 54, the ear plates 54 are respectively connected with the edge of the rear wall of the fixed seat 51 and the rear end of the side plate 52, the inner wall of the ear plate 54 connected with the rear wall of the fixed seat 51 is flush with the side wall of the fixed seat 51, and the inner wall of the ear plate 54 connected with the rear end of the side plate 52 is flush with the inner wall of the side plate 52. With reference to fig. 7 and 3, the structure of the rotating part 4 is specifically as follows: including connecting the circle axle 55 between the otic placode 53 and establishing the swivel 42 on circle axle 55, swivel 42 front end is connected with fixture block 41, and fixture block 41 suits with block groove 56, and when handrail portion 2 rotated to the level around rotating portion 4, fixture block 41 and block groove 56 looks block, and limiting plate 53 played the horizontal support effect, when not needing handrail portion 2, upwards lifted handrail portion 2 and rotated 270 degrees to perpendicular, and handrail portion 2 was located rotating portion 4 below this moment.

The armrest structure of the wheelchair in this embodiment is used for the wheelchair and can be used in combination with the backrest of the wheelchair, the armrest part 2 is designed to be rotatable, and has 270-degree rotation freedom, when the armrest part 2 is not needed to be used, the armrest part 2 can be turned over to the rear side of the upright stanchion 1, the storage position is designed more reasonably and comfortably, so that the armrest part 2 can not influence the space at the left and right sides of the whole backrest, the left and right sides of the body of a user can not touch the armrest part 2 to generate the extrusion feeling, because many design structures in the prior art are not completely limited at the back side of the backrest after the armrests are turned over, a user can obviously feel the extrusion feeling brought by the armrests at the left side and the right side of the body, particularly, when the edges of the armrests are made of hard materials, a user can obviously feel the hard contact surfaces of the left and right armrests after the armrests are turned up, and uncomfortable feeling is generated; the connecting portion 5 is designed to have the function of connecting the rotating portion 4, and further, the present embodiment can horizontally support the armrest portion 2 without an additional supporting structure.

Referring to fig. 1, be connected with mounting panel 6 between the fixing base 51, the antetheca of mounting panel 6 is leveled mutually with fixing base 51 antetheca, and mounting panel 6 is used for installing the back for connecting portion 5 and rotating part 4 all are located the back rear, further increase comfortable use and experience, and the user can not feel the left and right sides because of the crowded sense that connecting portion 5 produced.

Referring to fig. 7, in the embodiment, the ear plate 54 is provided with a through hole, two ends of the circular shaft 55 pass through the through hole and are connected with the ear plate 54 through the fastening ring 551, the fastening ring 551 is in threaded connection with the circular shaft 55, and the rotary ring 42 can rotate around the circular shaft 55.

Referring to fig. 6, in the present embodiment, the armrest portion 2 is connected to the rotating portion 4 by the adjustment lever 3, and the adjustment lever 3 can adjust the distance between the armrest portion 2 and the rotating portion 4. Specifically, the adjusting rod 3 includes a first loop bar 31 and a second loop bar 32 sleeved in the first loop bar 31, an elastic rubber pad for increasing friction resistance is covered on the surface of the second loop bar 32, the other end of the second loop bar 32 is connected to the front wall of the clamping block 41, and the armrest portion 2 is connected with the first loop bar 31 in a clamping manner. By adopting the design, the distance between the handrail part 2 and the rotating part 4 can be adjusted by the adjusting rod 3, different users can finely adjust the position of the handrail part 2 according to own needs, and when the user with longer arms uses the handrail part, the first sleeve rod 31 is pulled forwards to drive the handrail part 2 to move forwards. The surface of the second sleeve rod 32 is covered with an elastic rubber pad for increasing the frictional resistance, so that the first sleeve rod 31 is prevented from being separated from the second sleeve rod 32 by excessive force.

Further, referring to fig. 6, in the present embodiment, the armrest portion 2 has a structure: including panel 21, locate the cutting ferrule 23 of panel 21 below and cover in the cushion 22 on panel 21 surface, cutting ferrule 23 is made by elastic material, and cutting ferrule 23 sets up along 2 length direction on the panel, and cutting ferrule 23's longitudinal section is the circular structure of taking the breach, cutting ferrule 23 and first sleeve rod 31 looks block. The clamp sleeve 23 can be stably clamped and connected to the first sleeve rod 31, and the armrest part 2 can be more conveniently detached and replaced.

Further, referring to fig. 6 and 4, in this embodiment, the front end of the first sleeve rod 31 is further provided with a positioning ring 311, a horizontal height of the top of the positioning ring 311 is higher than a horizontal height of the top of the ferrule 23, the ferrule 23 is engaged with the first sleeve rod 31, the ferrule 23 abuts against the positioning ring 311, the outer side wall of the panel 21 is further embedded with a yielding opening 211, and the yielding opening 211 is arranged near the front end of the panel 21. By adopting the structure, the positioning ring 311 and the abdicating opening 211 are designed, when the front and back positions of the armrest part 2 need to be adjusted, a user can have better force by adjusting through the abdicating opening 211, and the abdicating opening 211 is arranged on the outer side wall of the panel 21, so that the convenience degree is improved; specifically, when the armrest part 2 needs to be adjusted to move forward, a user pushes the armrest part 2 through the position opening 211, and since the cutting sleeve 23 is abutted to the positioning ring 311, when the armrest part 2 is pushed forward, no relative displacement is generated between the armrest part 2 and the first sleeve rod 31, and the first sleeve rod 31 can be pushed forward by pushing the armrest part 2; when the armrest part 2 needs to be adjusted to move backwards, the armrest part 2 and the first sleeve rod 31 can be directly pushed from the front end, and the adjustment mechanism is more flexible and convenient.

Referring to fig. 1, an upper connecting rod 7 and a lower connecting rod 8 are further connected between the upright stanchions 1, the lower connecting rod 8 is connected between the bottom ends of the upright stanchions 1, and the armrest structure is connected to the frame of the wheelchair through the lower connecting rod 8.

Example 2

On the basis of embodiment 1, the present embodiment provides a wheelchair including an armrest structure of the wheelchair according to embodiment 1.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (7)

1. The armrest structure of the wheelchair is characterized by comprising a pair of upright rods (1) and a pair of armrest parts (2), wherein a connecting part (5) is arranged on the upright rod (1), a rotating part (4) is arranged on the rear side of the connecting part (5), the tail end of each armrest part (2) is connected to the rotating part (4) through an adjusting rod (3), the connecting part (5) comprises a fixed seat (51) connected to the upright rod (1) and a limiting plate (53) horizontally connected to the bottom end of the side wall of the fixed seat (51), a side plate (52) is arranged at one end, far away from the fixed seat (51), of the limiting plate (53), a clamping groove (56) is formed by the fixed seat (51), the limiting plate (53) and the side plate (52), a pair of ear plates (54) are further arranged at the rear end of the connecting part (5), and the ear plates (54) are respectively connected to the edge of the rear wall of the fixed seat (51) and the rear end of the side plate (52); the rotating portion (4) comprises a round shaft (55) connected between the ear plates (54) and a rotating ring (42) sleeved on the round shaft (55), a clamping block (41) is connected to the front end of the rotating ring (42), the clamping block (41) is matched with the clamping groove (56), and when the armrest portion (2) rotates forwards to the horizontal direction around the rotating portion (4), the clamping block (41) is clamped with the clamping groove (56).

2. The armrest structure of a wheelchair as claimed in claim 1, wherein: be connected with mounting panel (6) between fixing base (51), the antetheca and the fixing base (51) front wall of mounting panel (6) are parallel and level.

3. The armrest structure of a wheelchair as claimed in claim 1, wherein: the ear plate (54) is provided with a through hole, two ends of the round shaft (55) penetrate through the through hole and are connected with the ear plate (54) through the fastening ring (551), and the fastening ring (551) is in threaded connection with the round shaft (55).

4. The armrest structure of a wheelchair as claimed in claim 1, wherein: adjust pole (3) including first loop bar (31) and cup joint second loop bar (32) in first loop bar (31), second loop bar (32) surface covering is equipped with the elasticity cushion, and second loop bar (32) other end is connected to fixture block (41) antetheca, handrail portion (2) are connected with first loop bar (31) block.

5. The armrest structure of a wheelchair as claimed in claim 4, wherein: handrail portion (2) include panel (21), locate cutting ferrule (23) of panel (21) below and cover in cushion (22) on panel (21) surface, cutting ferrule (23) are made by elastic material, and cutting ferrule (23) set up along panel (21) length direction, and cutting ferrule (23) and first loop bar (31) looks block.

6. The armrest structure of a wheelchair as claimed in claim 5, wherein: the front end of the first sleeve rod (31) is further provided with a positioning ring (311), the outer side wall of the panel (21) is further provided with a position yielding opening (211), and the position yielding opening (211) is arranged close to the front end of the panel (21).

7. A wheelchair, characterized in that: an armrest structure comprising a wheelchair as claimed in any one of claims 1 to 6.

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