CN215606986U

CN215606986U - Wheelchair headrest mechanism

Info

Publication number: CN215606986U
Application number: CN202121940799.4U
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: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-01-25
Anticipated expiration: 2031-08-18

Abstract

The utility model discloses a wheelchair headrest mechanism, which comprises a head support rod, wherein the lower end of the head support rod is connected with a connecting sheet through a universal ball component, and the upper end of the head support rod is connected with a headrest through a universal ball component I; the structure of universal ball subassembly and I universal ball subassembly is the same, all includes the bulb, a part of bulb is located inside the cassette, the cassette passes through the external screw thread connection cutting ferrule, the bulb of universal ball subassembly passes through connecting bolt connection head bracing piece lower tip, the bulb of universal ball subassembly I passes through connecting bolt I connects head bracing piece upper end, the cassette fixed mounting of universal ball subassembly is on the connecting piece, the cassette fixed mounting of universal ball subassembly I is on the headrest. The device can directly rotate the headrest to enable the headrest to reach a required angle, and when the position of the headrest needs to be adjusted, the lower end part of the head support rod can be rotated to enable the head support rod to integrally rotate, so that the position of the headrest is adjusted.

Description

Wheelchair headrest mechanism

Technical Field

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

Background

Wheelchairs generally provide a means for individuals who are injured, ill, or otherwise unable to walk autonomously to move from one area to another. In some cases, such individuals, particularly those in nursing homes, may spend a large portion of their day in wheelchairs. In some cases, it is often important from a therapeutic point of view to provide comfort and support when these people are in wheelchairs for long periods of time, for example the neck requires a suitable headrest to relieve fatigue. However, the existing headrest is not reasonable in design, and a user is easy to fatigue when sitting on the neck for a long time.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a wheelchair headrest mechanism that solves the problems noted in the background. In order to achieve the purpose, the utility model provides the following technical scheme: a wheelchair headrest mechanism comprises a head support rod, wherein the lower end of the head support rod is connected with a connecting sheet through a universal ball component, and the upper end of the head support rod is connected with a headrest through a universal ball component I;

the universal ball component and the universal ball component I are identical in structure and all comprise a ball head, one part of the ball head is located inside the clamping seat and can rotate inside the clamping seat, external threads are arranged on the outer side surface of the clamping seat, the clamping seat is connected with a clamping sleeve through external threads, the diameter of an opening in the outer end of the clamping sleeve is smaller than that of the ball head, the ball head is limited inside the clamping seat through the clamping sleeve, the ball head of the universal ball component is connected with the lower end of a head supporting rod through a connecting bolt, the ball head of the universal ball component I is connected with the upper end of the head supporting rod through the connecting bolt I, the clamping seat of the universal ball component is fixedly mounted on a connecting piece, and the clamping seat of the universal ball component I is fixedly mounted on a headrest.

Preferably, the medial surface of headrest passes through the magic and pastes connection headrest dustproof pad, the magic is pasted including circle hair spare and thorn hair spare, circle hair spare is fixed in on the headrest, thorn hair spare is fixed in on the headrest dustproof pad, the equal one-to-one in quantity, the position of circle hair spare and thorn hair spare can realize the bonding.

Preferably, the headrest is in an I shape as a whole, and both sides of the headrest are bent inward.

Preferably, the head support bar is overall formed into an "L" shape.

Preferably, the back of the headrest is provided with a mounting groove, and the clamping seat of the universal ball component I is fixedly mounted in the mounting groove.

The utility model has the technical effects and advantages that: the device has simple structure and convenient use. When the headrest mechanism needs to be adjusted, the headrest can be directly rotated to enable the headrest to reach a required angle, and when the position of the headrest needs to be adjusted, the lower end part of the head support rod can be rotated to enable the head support rod to integrally rotate, so that the position of the headrest is adjusted; the headrest of the device is detachably connected with the headrest dustproof pad, and the sanitation of the head of a user can be ensured by timely replacing the headrest dustproof pad.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic view of the structure of the ball-and-socket assembly of the present invention

Fig. 4 is a schematic view of the structure of the headrest dustproof cushion of the present invention.

In the figure: 1-head support rod, 2-connecting piece, 3-headrest, 4-ball head, 5-clamping seat, 6-external thread, 7-clamping sleeve, 8-bolt, 9-bolt I, 10-headrest dustproof pad, 11-round hair piece and 12-mounting groove.

Detailed Description

In the description of the present invention, it should be noted that unless otherwise specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.

Example 1

As shown in fig. 1 and 2, the wheelchair headrest mechanism comprises a head support rod 1, wherein the lower end of the head support rod 1 is connected with a connecting sheet 2 through a universal ball component, and the upper end of the head support rod 1 is connected with a headrest 3 through a universal ball component I;

the universal ball component is the same as the I structure of the universal ball component and comprises a ball head 4, one part of the ball head 4 is located inside a clamping seat 5 and can rotate inside the clamping seat 5, external threads 6 are arranged on the outer side surface of the clamping seat 5, the clamping seat 5 is connected with a clamping sleeve 7 through the external threads 6, the opening diameter of the clamping sleeve 7 is smaller than the diameter of the ball head 4, the clamping sleeve 7 limits the ball head 4 to be located inside the clamping seat 5, the ball head 4 of the universal ball component is connected with the lower end of a head supporting rod 1 through a connecting bolt 8, the ball head 4 of the universal ball component I is connected with the upper end of the head supporting rod 1 through a connecting bolt I9, the clamping seat 5 of the universal ball component is fixedly installed on a connecting plate 2, and the clamping seat 5 of the universal ball component I is fixedly installed on a headrest 3.

Example 2

As shown in fig. 1-4, the wheelchair headrest mechanism comprises a head support rod 1, wherein the lower end of the head support rod 1 is connected with a connecting sheet 2 through a universal ball component, and the upper end of the head support rod 1 is connected with a headrest 3 through a universal ball component i;

the universal ball component is the same as the I structure of the universal ball component and comprises a ball head 4, one part of the ball head 4 is located inside a clamping seat 5 and can rotate inside the clamping seat 5, external threads 6 are arranged on the outer side surface of the clamping seat 5, the clamping seat 5 is connected with a clamping sleeve 7 through the external threads 6, the diameter of an opening at the outer end of the clamping sleeve 7 is smaller than the diameter of the ball head 4, the clamping sleeve 7 limits the ball head 4 to be located inside the clamping seat 5, the ball head 4 of the universal ball component is connected with the lower end of a head supporting rod 1 through a connecting bolt 8, the ball head 4 of the universal ball component I is connected with the upper end of the head supporting rod 1 through a connecting bolt I9, the clamping seat 5 of the universal ball component is fixedly installed on a connecting plate 2, and the clamping seat 5 of the universal ball component I is fixedly installed on a headrest 3.

Preferably, the dustproof pad 10 of headrest is connected through magic subsides to the medial surface of headrest 3, the magic is pasted including circle hair piece 11 and thorn hair piece, circle hair piece 11 is fixed in on the headrest, thorn hair piece is fixed in on the dustproof pad 10 of headrest, the equal one-to-one in quantity, the position of circle hair piece 11 and thorn hair piece can realize the bonding. The dustproof headrest pad 10 can prevent the surface of the headrest 3 from becoming dirty, and after the user uses the wheelchair, the user only needs to replace and clean the dustproof headrest pad 10 in time, so that the sanitation of the head of the user can be kept, and the headrest 3 does not need to be cleaned frequently.

Preferably, the headrest 3 is in an i shape as a whole, and both sides of the headrest 3 are bent inward.

Preferably, the head support rod 1 tends to be "L" shaped as a whole.

Preferably, the back of the headrest 3 is provided with a mounting groove 12, and the clamping seat 5 of the universal ball component i is fixedly mounted in the mounting groove 12.

The process flow and the working principle of the utility model are as follows: be fixed in the suitable position of wheelchair frame through connection piece 2 with this device, when the user needs the angle to headrest 3 according to the actual conditions of self when adjusting, can directly rotate headrest 3, bulb 4 of universal ball subassembly I can take place relative rotation rather than the cassette 5 that corresponds this moment, thereby make headrest 3 rotate, reach required angle, when the position of headrest 3 is adjusted to needs, can rotate the lower tip of head bracing piece 1, make bulb 4 of head bracing piece 1 take place relative rotation rather than the cassette 5 that corresponds, thereby make head bracing piece 1 wholly rotate, thereby adjust the position of headrest 3.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a wheelchair headrest mechanism, includes the head bracing piece, its characterized in that: the lower end of the head support rod is connected with the connecting sheet through a universal ball component, and the upper end of the head support rod is connected with the headrest through a universal ball component I;

2. A wheelchair headrest mechanism as claimed in claim 1, wherein: the medial surface of headrest passes through the magic and pastes connection headrest dustproof pad, the magic is pasted including circle hair spare and thorn hair spare, circle hair spare is fixed in on the headrest, thorn hair spare is fixed in on the headrest dustproof pad, the equal one-to-one in quantity, the position of circle hair spare and thorn hair spare can realize the bonding.

3. A wheelchair headrest mechanism as claimed in claim 1, wherein: the whole headrest is I-shaped, and two sides of the headrest are bent inwards.

4. A wheelchair headrest mechanism as claimed in claim 1, wherein: the head support rod tends to be L-shaped as a whole.

5. A wheelchair headrest mechanism as claimed in claim 2, wherein: the back of headrest is opened there is the mounting groove, the cassette fixed mounting of universal ball subassembly I is inside the mounting groove.