CN210728048U

CN210728048U - Wheelchair frame structure

Info

Publication number: CN210728048U
Application number: CN201921555462.4U
Authority: CN
Inventors: 黄伟诚
Original assignee: Foshan City Shunde District An'ai Industry Co ltd
Current assignee: Foshan City Shunde District An'ai Industry Co ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-06-12
Anticipated expiration: 2029-09-18

Abstract

The utility model discloses a wheelchair frame structure, which comprises a backrest rod and a handrail rod, wherein the backrest rod is connected with the handrail rod, and the backrest rod is connected with a hand push rod; a first support rod is arranged between the backrest rod and the handrail rod, and two ends of the first support rod are respectively welded with the backrest rod and the handrail rod; the support piece is arranged on the first support rod, a cushion rod is arranged on the support piece, the cushion rod is arranged in an inclined mode in the horizontal direction, and the inclined angle between the cushion rod and the horizontal direction is 10-12 degrees; the first supporting rods are arranged in an arc shape, and the supporting pieces are respectively arranged on two end parts of the first supporting rods. The utility model discloses a frame structure accords with human engineering, and the solution user effective uses the wheelchair for a long time to cause tired uncomfortable problem.

Description

Wheelchair frame structure

Technical Field

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

Background

With the development of the times, various services of the society are continuously healthy, and people with physical disabilities and people with mobility difficulties are gradually concerned by the society. The wheelchair is an important tool for rehabilitation, not only is the tool for physically disabled persons and persons with mobility disabilities to ride instead of walk, but also is more important for enabling the persons to perform physical rehabilitation exercises and participate in social activities and the like by means of the wheelchair.

Although different wheelchairs such as a common wheelchair and an electric wheelchair exist in the market at the present stage, in the actual use process, the product is not satisfactory for users, and the problems of incomplete function, unsatisfactory use effect and the like exist. For example, the angle between the seat cushion and the backrest of the existing wheelchair product is fixed, and the user feels tired and uncomfortable for a long time, and the user's spine and cervical vertebrae are damaged.

Therefore, there is a need to develop an ergonomic wheelchair structure that can improve user fatigue and reduce user fatigue over a long period of time.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a accord with human engineering, can alleviate the long-time wheelchair that uses of user and cause tired uncomfortable wheelchair frame structure.

In order to achieve the above object, the utility model provides a wheelchair frame structure, the concrete scheme is as follows:

a wheelchair frame structure comprises a backrest rod and a handrail rod, wherein the backrest rod is connected with the handrail rod, and a hand push rod is connected to the backrest rod; a first support rod is arranged between the backrest rod and the handrail rod, and two ends of the first support rod are respectively welded with the backrest rod and the handrail rod; the support piece is arranged on the first support rod, a cushion rod is arranged on the support piece, the cushion rod is arranged in an inclined mode in the horizontal direction, and the inclined angle between the cushion rod and the horizontal direction is 10-12 degrees; the first supporting rods are arranged in an arc shape, and the supporting pieces are respectively arranged on two end parts of the first supporting rods.

As a further improvement of the utility model, the first supporting rod is an arc-shaped rod which is highly arranged along the direction from the handrail rod to the back rest rod is gradually reduced.

Furthermore, the end part of the support piece is provided with a hook, and the cushion rod is clamped on the hook.

As a further improvement of the utility model, the backrest rod is arranged in an S shape.

As a further improvement of the utility model, a serrated convex edge is arranged in the hook.

Further, be equipped with the retaining member on the couple, the retaining member with the couple is twisted soon and is connected, just the retaining member tip with the seatpad pole is inconsistent.

As a further improvement, the first support rod below is equipped with the second bracing piece, the second bracing piece is located the bottom of handrail and back pole, just second bracing piece both ends respectively with handrail and back pole welding.

The utility model discloses a frame structure of wheelchair, for prior art, has following beneficial effect:

1. arranging a first support rod into an arc-shaped rod with gradually reduced height along the direction from the handrail rod to the backrest rod, arranging support pieces at two end parts of the first support rod, arranging cushion rods on the support pieces, and enabling the cushion rods to be obliquely arranged with the horizontal direction, wherein the inclination angle of the cushion rods with the horizontal direction is 10-12 degrees; therefore, the cushion rod is arranged according with the human engineering, and the effects of relieving fatigue and discomfort caused by long-time use of the wheelchair by the user can be achieved.

2. The backrest rod is set to be an S-shaped arc rod, so that when a user uses the wheelchair, the backrest of the wheelchair can be tightly attached to the back of the user, and the spine fatigue is relieved.

Drawings

Fig. 1 is a schematic structural view of a wheelchair frame structure of the present invention;

FIG. 2 is an exploded view of a wheelchair frame structure of the present invention;

fig. 3 is an enlarged view of a portion a of fig. 2 according to the present invention;

fig. 4 is a schematic structural view of the wheelchair frame structure after the cushion is removed.

Detailed Description

The structure of the wheelchair frame of the present invention will be described with reference to the accompanying drawings.

As shown in fig. 1, the wheelchair frame structure comprises a backrest rod 1 and a handrail rod 2, wherein the backrest rod 1 is connected with the handrail rod 2; the backrest is characterized in that a backrest 11 is connected onto the backrest rod 1, a handrail pad 21 is arranged on the handrail rod 2, and a first supporting rod 3 and a second supporting rod 4 are arranged between the backrest rod 1 and the handrail rod 2. Set up first bracing piece 3 and second bracing piece 4 between handrail pole 2 and back pole 1, improve the connection stability of handrail pole 2 and back pole 1.

The two end parts of the first supporting rod 3 and the second supporting rod 4 are respectively welded with the backrest rod 1 and the handrail rod 2.

Specifically, the first support bar 3 is disposed above the second support bar 4.

Wherein, a cushion 51 is arranged above the first supporting rod 3 of the frame structure.

As shown in fig. 2, the first support rod 3 is provided with support members 6, and the support members 6 are respectively provided at both ends of the first support rod 3.

The cushion device is characterized by further comprising a cushion rod 5, wherein the cushion rod 5 is arranged on the support piece 6, and two ends of the cushion rod 5 are respectively connected with the support piece 6 positioned at two ends of the first support rod 3 in a clamping mode.

Specifically, the first support bar 3 and the second support bar 4 are arc-shaped bars whose heights gradually decrease along the direction from the handrail bar 2 to the back rest bar 1.

As shown in fig. 3, the supporting member 6 includes a hook 61 and a connecting portion 62, and the connecting portion 62 is snapped on the first supporting rod 3.

Specifically, the first support rod 3 is provided with a second mounting hole 31, the connecting portion 62 is provided with a first mounting hole 621, and the first mounting hole 621 and the second mounting hole 31 are sequentially penetrated through screws or bolts to fix the support member 6 on the first support rod 3.

Specifically, the cushion rod 5 is arranged in the hook 61 and is clamped with the support member 6.

Specifically, the hook 61 is internally provided with a convex edge which is arranged in a zigzag manner, so that the friction force between the cushion rod 5 and the hook is increased, and the connection stability is improved.

Furthermore, be equipped with locking hole 612 on couple 61, still include retaining member 613, retaining member 613 screw in locking hole 612, just the tip of retaining member 613 with cushion pole 5 offsets.

Specifically, the seat cushion 51 is connected to the cushion rod 5.

Specifically, the telescopic device further comprises a contraction rod 7, wherein the contraction rod 7 is arranged in an X shape, the middle point of the X shape of the contraction rod 7 is a fulcrum of the contraction rod 7, and the contraction rod 7 is switched between a contraction state and an expansion state through the fulcrum.

Wherein, the upper part of the backrest rod 1 is connected with a hand-push part 12, and the hand-push part 12 is detachably connected with the backrest rod 1.

Specifically, the pushing portion 12 is fixedly connected to the back rest lever 1 by means of screws or bolts.

The supporting members 6 are disposed at two end portions of the first supporting rod 3, and the first supporting rod 3 is an arc-shaped rod whose height gradually decreases along the direction from the handrail rod 2 to the backrest rod 1. Causing a height drop of the supporters 6 provided at both end portions of the first support bar 3 so that the cushion bars 5 provided on the supporters 6 are disposed to be inclined from the horizontal direction.

Specifically, the inclination angle of the cushion rod 5 to the horizontal direction is 10-12 degrees. So that the seat cushion 51 provided on the seat cushion bar 5 is obliquely arranged, conforming to the ergonomic design.

As shown in fig. 4, in this embodiment, a plane formed by points where the front wheels 8 and the rear wheels 9 connected to the two ends of the frame respectively contact with the ground is a horizontal plane, and the inclination angle between the cushion rod 5 and the horizontal plane is the inclination angle between the cushion rod 5 and the horizontal direction.

The backrest rod 1 is arranged in an S shape, so that the backrest 11 connected with the backrest rod 1 is arranged in the S shape, the backrest 11 is attached to the back of a user, and the effect of relieving the spine fatigue of the user is achieved.

The utility model discloses a wheelchair frame structure, have simple structure, use convenient advantage, cushion pole 5 slope sets up for cushion 51 slope sets up, and back pole 1 sets up to "S" type, makes back 11 can laminate user' S back more; the structure which accords with the human engineering design plays a role in relieving the fatigue and discomfort of the spine of the user; the problem that the user uses the wheelchair for a long time to cause fatigue and discomfort can be effectively solved.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims

1. A wheelchair frame structure comprises a backrest rod and a handrail rod, wherein the backrest rod is connected with the handrail rod, and a hand push rod is connected to the backrest rod; the folding chair is characterized in that a first support rod is arranged between the backrest rod and the handrail rod, and two ends of the first support rod are respectively welded with the backrest rod and the handrail rod; the support piece is arranged on the first support rod, a cushion rod is arranged on the support piece, the cushion rod is arranged in an inclined mode in the horizontal direction, and the inclined angle between the cushion rod and the horizontal direction is 10-12 degrees; the first supporting rods are arranged in an arc shape, and the supporting pieces are respectively arranged on two end parts of the first supporting rods.

2. The wheelchair frame structure of claim 1 wherein said first support bar is an arcuate bar having a height that decreases gradually in a direction from said handrail bar to said back bar.

3. The wheelchair frame structure of claim 2 wherein said support member has a hook at an end thereof, and said seat post is snap-fitted to said hook.

4. The wheelchair frame structure of claim 1 wherein said back rest bar is "S" shaped.

5. A wheelchair frame structure as claimed in claim 3 wherein the hook is provided with a serrated ledge.

6. The wheelchair frame structure of claim 5 wherein said latch hook is provided with a locking member, said locking member is screwed to said latch hook, and the end of said locking member abuts against said seat post.

7. The wheelchair frame structure of claim 1 wherein a second support bar is arranged below the first support bar, the second support bar is arranged at the bottom of the handrail bar and the back bar, and two ends of the second support bar are respectively welded with the handrail bar and the back bar.