CN219516877U

CN219516877U - Wheelchair with liftable armrests

Info

Publication number: CN219516877U
Application number: CN202223354374.2U
Authority: CN
Inventors: 赵洁; 张左芹; 张茜
Original assignee: Yunnan University of Traditional Chinese Medicine TCM
Current assignee: Yunnan University of Traditional Chinese Medicine TCM
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-08-15
Anticipated expiration: 2032-12-14

Abstract

The utility model discloses a wheelchair with a liftable armrest, which comprises an armrest base and an armrest rod, wherein the armrest base comprises a front adjusting pipe and a rear supporting pipe, one end of the armrest rod is hinged with the rear supporting pipe, the other end of the armrest rod is vertically connected with a connecting pipe, the front adjusting pipe comprises a sleeve pipe and a sleeve pipe, the side wall of the pipe orifice of the sleeve pipe is provided with a spring pin hole, the side wall of the lower end of the sleeve pipe is provided with a spring pin matched with the spring pin hole, and the upper end of the sleeve pipe is detachably connected with the connecting pipe; the armrests are arranged on two sides of the wheelchair, the rear supporting tubes of the armrests are supporting rods of the backrest of the wheelchair, the side walls of the rear supporting tubes are provided with connectors, and the grab bars are hinged with the connectors. The handrail can be arranged on the wheelchair, and the handrail rod is lifted backward, so that a user can get on or off the wheelchair conveniently, and a larger moving space is provided for the person sitting on the wheelchair.

Description

Wheelchair with liftable armrests

Technical Field

The utility model relates to the technical field of wheelchairs and armrests thereof, in particular to a wheelchair with liftable armrests.

Background

Wheelchairs of the prior art are equipped with armrests for protecting the user, which are mostly fixed on the wheelchair by direct welding or by screws or nuts, and such armrests cannot be moved, and the user can get on or off the wheelchair only through the right front of the wheelchair. When a user is a hemiplegia patient, the user can not conveniently get on or off the wheelchair, and the hemiplegia patient can sit on the wheelchair for a long time, and can exercise limbs, for example, sit on the wheelchair to perform Taiji boxing rehabilitation training, and at the moment, the armrests fixed at the two sides can also influence the activity space of the wheelchair.

Disclosure of Invention

The utility model provides a wheelchair with liftable handrails, wherein the handrails can be lifted backward, so that a larger moving space is provided for a person sitting on the wheelchair, and meanwhile, a wheelchair user can get on or off the wheelchair conveniently.

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

the wheelchair with the liftable armrests comprises an armrests base and an armrests rod, wherein the armrests base comprises a front adjusting pipe and a rear supporting pipe, one end of the armrests rod is hinged with the rear supporting pipe, the other end of the armrests rod is vertically connected with a connecting pipe, the front adjusting pipe comprises a sleeve pipe and a sleeve pipe, the side wall of the pipe orifice of the sleeve pipe is provided with a spring pin hole, the side wall of the lower end of the sleeve pipe is provided with a spring pin matched with the spring pin hole, and the upper end of the sleeve pipe is detachably connected with the connecting pipe; the armrests are arranged on two sides of the wheelchair, the rear supporting tubes of the armrests are supporting rods of the backrest of the wheelchair, the side walls of the rear supporting tubes are provided with connectors, and the grab bars are hinged with the connectors.

Furthermore, the mouth of the connecting pipe is provided with a threaded movable joint, and the insertion pipe is in threaded connection with the connecting pipe through the threaded movable joint after being in butt joint.

Further, the side wall of the orifice of the connecting pipe is provided with a spring pin hole, and the side wall of the upper end of the insertion pipe is provided with a spring pin matched with the spring pin hole.

Further, a foam cushion is arranged on the upper surface of the grab rail.

Furthermore, a baffle is arranged on the side face of the handrail, a clamping ring is arranged on one side of the baffle, and the clamping ring is detachably sleeved on the handrail base.

Further, the baffle is L-shaped, three clamping rings which are distributed in an L-shape are arranged on the baffle, two clamping rings are connected with the rear supporting tube, and the other clamping ring is connected with the sleeve.

Further, the clip comprises two arc-shaped clip arms with elasticity.

Further, the upper end of the sleeve is flush with the seat, and the cannula can be completely immersed into the sleeve.

Further, the baffle is arranged on the inner side of the handrail.

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

the armrests are arranged on the wheelchair and can be lifted backward, so that a user can get on or off the wheelchair conveniently, a larger movable space is provided for the person sitting on the wheelchair, and the person can perform upper limb rehabilitation training such as Taiji boxing conveniently; the baffle plate which can be flexibly disassembled and assembled is arranged on the side face of the handrail, so that the scratch of a hemiplegia patient caused by rolling of wheels can be avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a handrail construction;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of part B of FIG. 1;

FIG. 4 is an enlarged view of part C of FIG. 1;

FIG. 5 is a second enlarged view of the portion C of FIG. 1;

FIG. 6 is a schematic view of the overall structure of the wheelchair;

FIG. 7 is a schematic view of a baffle structure;

in the figure: 1-grab bar, 11-connecting pipe, 2-front adjusting pipe, 21-sleeve, 22-insertion pipe, 3-rear supporting pipe, 31-connecting head, 4-spring pins, 5-spring pin holes, 6-threaded movable joints, 7-baffle plates, 71-clamping rings, 8-wheelchair backrest and 9-chair seat.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

In the description of the embodiments of the present utility model, it should be noted that, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship conventionally put in place when the product of this application is used, or the orientation or positional relationship conventionally understood by those skilled in the art, is merely for convenience of describing the present utility model and simplifying the description, and is not indicative or implying that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1-3, a liftable armrest comprises an armrest base and an armrest rod 1, wherein the armrest base comprises a front adjusting pipe 2 and a rear supporting pipe 3, one end of the armrest rod 1 is hinged with the rear supporting pipe 3, the other end of the armrest rod is vertically connected with a connecting pipe 11, the front adjusting pipe 2 comprises a sleeve 21 and a cannula 22, the side wall of the pipe orifice of the sleeve 21 is provided with a bullet pin hole 5, the side wall of the lower end of the cannula 22 is provided with a bullet pin 4 matched with the bullet pin hole 5, and the upper end of the cannula 22 is detachably connected with the connecting pipe 11. The upper surface of the grab rail 1 is provided with a foam cushion 12.

There are various connection modes between the cannula 22 and the connecting tube 11, as shown in fig. 4, in an embodiment, the orifice of the connecting tube 11 is provided with a threaded movable joint 6, and the cannula 22 is in threaded connection with the connecting tube 11 through the threaded movable joint 6 after being in butt joint.

In the second embodiment, as shown in fig. 5, a bullet pin hole 5 is provided on the side wall of the orifice of the connecting pipe 11, and a bullet pin 4 adapted to the bullet pin hole 5 is provided on the side wall of the upper end of the insertion pipe 22.

As shown in fig. 7, a baffle 7 is arranged on the side surface of the handrail, a clamping ring 71 is arranged on one side of the baffle 7, and the clamping ring 71 is detachably sleeved on the handrail base. The baffle 7 is L-shaped, three clamping rings 71 distributed in L-shape are arranged on the baffle 7, wherein two clamping rings 71 are connected with the rear supporting tube 3, and the other clamping ring 71 is connected with the sleeve 21. The clip 71 includes two resilient arcuate clip arms which are held around the rear support tube 3 and the sleeve 21.

The armrests are arranged on the wheelchair, the armrests are arranged on two sides of the wheelchair, the rear supporting tubes 3 of the armrests are the supporting rods of the backrest 8 of the wheelchair, the side walls of the rear supporting tubes 3 are provided with connectors 31, and the grab bars 1 are hinged with the connectors 31.

The upper end of the sleeve 21 is flush with the seat 9, and the cannula 22 can be completely immersed into the sleeve 21, so that the movable space after the armrests are disassembled is not disturbed. After the armrests are lifted, the port parts of the connecting pipes 11 are covered by rubber covers, so that potential safety hazards caused by exposure are avoided.

The baffle 7 is arranged on the inner side of the handrail.

The other structures of the wheelchair can be the same as the structure of the traditional wheelchair, the two sides of the wheelchair are provided with big wheels, the big wheels are provided with hand rims for driving the big wheels to rotate, the center of the wheelchair is provided with a hub, the hub is connected with a framework of the wheelchair, and the two sides of the framework of the wheelchair are also provided with brakes; the bottom of the front part of the wheelchair is provided with a small wheel for controlling balance and a foot pedal; a handle for controlling the direction is arranged above the chair back 8 of the wheelchair.

Of course, the present utility model is capable of other various embodiments and its several details are capable of modification and variation in light of the present utility model by one skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. A wheelchair with liftable armrests, which is characterized in that: the novel handrail comprises a handrail base and a handrail rod (1), wherein the handrail base comprises a front adjusting pipe (2) and a rear supporting pipe (3), one end of the handrail rod (1) is hinged with the rear supporting pipe (3), the other end of the handrail rod is vertically connected with a connecting pipe (11), the front adjusting pipe (2) comprises a sleeve (21) and a cannula (22), a bullet pin hole (5) is formed in the side wall of a pipe orifice of the sleeve (21), a bullet pin (4) matched with the bullet pin hole (5) is formed in the side wall of the lower end of the cannula (22), and the upper end of the cannula (22) is detachably connected with the connecting pipe (11); the handrails are arranged on two sides of the wheelchair, the rear supporting tube (3) of the handrails is a supporting rod of the backrest (8) of the wheelchair, the side wall of the rear supporting tube (3) is provided with a connector (31), and the handrails (1) are hinged with the connector (31).

2. Wheelchair with liftable armrests according to claim 1, characterized in that: the mouth of the connecting pipe (11) is provided with a threaded movable joint (6), and the insertion pipe (22) is in threaded connection with the connecting pipe (11) through the threaded movable joint (6).

3. Wheelchair with liftable armrests according to claim 1, characterized in that: the side wall of the pipe orifice of the connecting pipe (11) is provided with a bullet pin hole (5), and the side wall of the upper end of the insertion pipe (22) is provided with a bullet pin (4) which is matched with the bullet pin hole (5).

4. Wheelchair with liftable armrests according to claim 1, characterized in that: the upper surface of the grab rail (1) is provided with a foam cushion (12).

5. Wheelchair with liftable armrests according to claim 1, characterized in that: the side of the handrail is provided with a baffle (7), one side of the baffle (7) is provided with a clamping ring (71), and the clamping ring (71) is detachably sleeved on the handrail base.

6. The wheelchair with liftable armrests according to claim 5, characterized in that: the baffle (7) is L-shaped, three clamping rings (71) which are distributed in an L-shape are arranged on the baffle (7), two clamping rings (71) are connected with the rear supporting tube (3), and the other clamping ring (71) is connected with the sleeve (21).

7. The wheelchair with liftable armrests according to claim 6, characterized in that: the clip (71) includes two arcuate clip arms having elasticity.

8. Wheelchair with liftable armrests according to any of claims 1-7, characterized in that: the upper end of the sleeve (21) is flush with the seat (9), and the cannula (22) can be completely immersed into the sleeve (21).

9. Wheelchair with liftable armrests according to any of claims 5-7, characterized in that: the baffle (7) is arranged on the inner side of the handrail.