CN216985459U

CN216985459U - Auxiliary armrest device of wheelchair

Info

Publication number: CN216985459U
Application number: CN202122385487.8U
Authority: CN
Inventors: 陈六余
Original assignee: Jiangmen Yufa Technology Co ltd
Current assignee: Jiangmen Yufa Technology Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-07-19
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses an auxiliary armrest device of a wheelchair, which comprises a cross bar, a vertical bar, a frame and a movable block, wherein the cross bar comprises a cylinder body and a movable bar; the both ends of barrel with the movable rod sliding connection, the montant upper end with movable rod fixed connection, the frame with montant fixed connection, the frame is provided with the mounting hole, the mounting hole is used for the cover to locate the wheelchair handle, the movable block slides and sets up in the mounting hole, the movable block slides in order to lock or loosen the wheelchair handle. The movable rod is connected with the barrel in a sliding mode, the sliding position of the movable rod is adjusted according to the transverse distance of the wheelchair handle, the movable block is arranged in the mounting hole in a sliding mode, the sliding position of the movable block is adjusted according to the diameter of the wheelchair handle, the wheelchair handle is locked or loosened through sliding of the movable block, the wheelchair handle is effectively suitable for the distance between different wheelchair handles and the diameter of the handle, the use convenience degree is improved, and better use experience is brought to a user.

Description

Auxiliary armrest device of wheelchair

Technical Field

The utility model relates to the field of auxiliary armrests, in particular to an auxiliary armrest device for a wheelchair.

Background

The wheelchair is an important mobile tool for home rehabilitation, turnover transportation, treatment and outgoing activities of wounded persons, patients and disabled persons, and the common wheelchair can be directly controlled by itself and is also provided with a handle for others to help to control the wheelchair. Some wheelchairs can set up some supplementary handrails on hand at present, reach and increase the handle or become the effect of horizontal handle, conveniently push away the person of putting and use, but because the wheelchair of difference, its handle interval all differs with the diameter size, and same supplementary handrail only can the single wheelchair of adaptation, does not possess the commonality, need purchase the supplementary handrail of looks adaptation again after the new wheelchair of change, influences user's experience.

SUMMERY OF THE UTILITY MODEL

The present invention has been made to solve at least one of the problems occurring in the prior art or the related art. Therefore, the utility model provides an auxiliary armrest device of a wheelchair, which can be adapted to wheelchair handles with different intervals and different diameters.

According to the utility model, the wheelchair auxiliary armrest device comprises:

the cross rod comprises a cylinder body and a movable rod, and two ends of the cylinder body are connected with the movable rod in a sliding manner;

the upper end of the vertical rod is fixedly connected with the movable rod;

The frame is fixedly connected with the vertical rod and provided with a mounting hole, and the mounting hole is used for being sleeved on a wheelchair handle;

and the movable block is arranged in the mounting hole in a sliding manner, and the movable block slides to lock or loosen the wheelchair handle.

The wheelchair auxiliary armrest device has the following beneficial effects:

the movable rod with the barrel is in sliding connection, adjusts according to the lateral distance of wheelchair handle the sliding position of movable rod the movable block slides and sets up in the mounting hole, adjust according to wheelchair handle diameter size the movable block sliding position, through the slip messenger of movable block locks or loosens the wheelchair handle, adapts to the interval and the handle diameter size of different wheelchair handles effectively, has improved the convenience degree of using, brings better use experience for the user.

According to the wheelchair auxiliary armrest device, the frame is provided with a first bolt for driving the movable block to slide, and the first bolt is screwed in to drive the movable block to slide upwards so as to lock the wheelchair handle; the first bolt is screwed out to drive the movable block to slide downwards, so that the handle of the wheelchair is loosened. The user can screw in or screw out the first bolt to adjust the sliding position of the movable block, and the wheelchair handle can be conveniently locked or loosened according to the diameter of the wheelchair handle.

According to the wheelchair auxiliary armrest device, the movable block is provided with the clamping groove matched with the wheelchair handle, so that the wheelchair handle can be conveniently clamped, and the wheelchair handle is not easy to loosen when being locked.

Furthermore, the clamping groove is provided with an arc surface matched with the wheelchair handle, so that the clamping groove and the wheelchair handle are attached more tightly, and the wheelchair handle is not easy to loosen when being locked.

According to the wheelchair auxiliary armrest device, the barrel is provided with the through hole matched with the movable rod, and the movable rod is arranged in the through hole in a sliding mode, so that the movable rod is more stable when sliding in the through hole. The user can adjust the sliding position of the movable rod in the through hole according to the distance between the wheelchair handles, and the required total length of the cross rod can be conveniently obtained.

According to the wheelchair auxiliary armrest device, the barrel is provided with the second bolt for locking the movable rod, and when a user adjusts the required sliding position of the movable rod in the through hole, the second bolt can be screwed to lock the movable rod.

According to the wheelchair auxiliary armrest device, the upper end of the frame is provided with an inner cavity with an opening at the upper part, and the lower end of the vertical rod penetrates through the inner cavity.

According to the wheelchair auxiliary armrest device, the frame is provided with a third bolt for locking the vertical rod.

According to the wheelchair auxiliary armrest device, the lower end of the vertical rod is provided with the groove matched with the third bolt, so that the vertical rod is fixedly connected with the frame.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of an auxiliary armrest apparatus for a wheelchair according to an embodiment of the present invention;

FIG. 2 is a schematic view of two vertical rods of different lengths according to an embodiment of the present invention;

FIG. 3 is a schematic view of an auxiliary armrest apparatus for a wheelchair according to another embodiment of the present invention;

fig. 4 is a schematic structural view of an auxiliary armrest apparatus for a wheelchair according to another embodiment of the present invention.

Description of the reference numerals:

a cylinder 111, a movable rod 112, a second bolt 113,

A vertical rod 120,

Frame 130, first bolt 131, third bolt 132, mounting hole 133,

An active block 140.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1, which is a schematic structural view of an auxiliary armrest apparatus for a wheelchair according to an embodiment of the present invention, the auxiliary armrest apparatus includes a cross bar, a vertical bar 120, a frame 130, and a movable block 140, the cross bar includes a barrel 111 and a movable bar 112, two ends of the barrel 111 are slidably connected to the movable bar 112, an upper end of the vertical bar 120 is fixedly connected to the movable bar 112, the frame 130 is fixedly connected to the vertical bar 120, the frame 130 is provided with a mounting hole 133, the mounting hole 133 is used for being sleeved on a wheelchair handle, the movable block 140 is slidably disposed in the mounting hole 133, and the movable block 140 slides to lock or unlock the wheelchair handle.

Optionally, the cylinder 111 may be made of metal or organic polymer material, and the cross-sectional shape of the cylinder 111 may be circular or polygonal, so that the cylinder can be captured by a user and is not easy to deform. As can be understood by those skilled in the art, the barrel 111 is preferably shaped like a cylinder, so that the contact area between the hand of the user and the barrel 111 can be maximized, a larger friction force can be generated, the hand of the user can be effectively contacted with the barrel 111, the sliding is not easy, and the sliding probability between the hand and the barrel 111 is reduced.

Alternatively, the movable rod 112 may be a solid metal rod or a hollow metal tube, which is stably stressed and not easily deformed.

Optionally, the vertical rod 120 may be a solid metal rod or a hollow metal tube, which is stably stressed and not easily deformed.

Optionally, the upper end of the vertical rod 120 is fixedly connected to the movable rod 112, and the connection mode may be welding, or may be integrally formed, or may be connected through other accessories, so as to achieve the effect of fixed connection.

Referring to fig. 2, the vertical rod 120 may have different lengths, and the user may select the corresponding length according to the requirement. The length of the vertical post 120 may be 10 centimeters, 15 centimeters, or other lengths.

In some of these embodiments, the frame 130 is provided with a first bolt 131 for driving the movable block 140 to slide. Specifically, the user screws in the first bolt 131, and the movable block 140 is driven and slides upward, so as to lock the wheelchair handle; the user unscrews the first bolt 131, and the movable block 140 is driven and slides downward, so that the wheelchair handle is released. The user can screw in or screw out the first bolt 131 to adjust the sliding position of the movable block 140, and conveniently lock or unlock the wheelchair handle according to the diameter of the wheelchair handle.

Referring to fig. 1, the first bolt 131 may be a manual knob or a hand screw, so that the wheelchair auxiliary armrest apparatus of the present embodiment can be assembled and disassembled very conveniently and quickly.

Referring to fig. 3, the first bolt 131 may be a hexagonal nonstandard screw, and it can be understood by those skilled in the art that the hexagonal nonstandard screw needs to be assembled and disassembled by using a special tool, so that the hexagonal nonstandard screw has an anti-theft function.

In some of these embodiments, the movable block 140 is provided with a slot adapted to the wheelchair handle. When the first bolt 131 is screwed in, the engaging groove contacts with the wheelchair handle and locks the wheelchair handle.

In some embodiments, the clamping groove is provided with a circular arc surface matched with the wheelchair handle. It can be understood that the arc surface of the clamping groove is tightly attached to the surface of the wheelchair handle, so that the wheelchair handle is not easy to loosen when being locked.

In some embodiments, the cylinder 111 is provided with a through hole adapted to the movable rod 112, and the movable rod 112 is slidably disposed in the through hole. The cross-sectional shape of the through-hole may be circular or polygonal.

Referring to fig. 4, which is a schematic structural view of an auxiliary armrest apparatus for a wheelchair according to another embodiment of the present invention, a cross bar is extended, and a movable rod 112 slides outwards relative to a cylinder 111 under the adjustment of a user according to the needs of the user, so as to achieve an extending effect, and meet the installation requirements of different wheelchair handle intervals.

In some of these embodiments, the cylinder 111 is provided with a second bolt 113 for locking the movable rod 112.

Referring to fig. 1, the second bolt 113 may be a manual knob or a hand screw, so that the wheelchair auxiliary armrest apparatus of the present embodiment can be assembled and disassembled very conveniently and quickly.

Referring to fig. 3, the second bolt 113 may be a hexagonal nonstandard screw, and it can be understood by those skilled in the art that the hexagonal nonstandard screw needs to be assembled and disassembled by using a special tool, so that the hexagonal nonstandard screw has an anti-theft function.

In some of these embodiments, frame 130 has an open-topped cavity at its upper end through which the lower end of vertical post 120 extends. It should be noted that the cross-sectional shape and size of the inner cavity are matched with the cross-sectional shape and size of the vertical rod 120, so that when the lower end of the vertical rod 120 is inserted into the inner cavity, the outer wall of the vertical rod 120 is tightly matched with the inner wall of the inner cavity, and the vertical rod 120 is not easy to shake.

In some of these embodiments, frame 130 is provided with a third bolt 132 for locking vertical post 120.

Referring to fig. 1, the third bolt 132 can be a manual knob and a hand screw, so that the wheelchair auxiliary armrest apparatus of the present embodiment can be assembled and disassembled very conveniently and quickly.

Referring to fig. 3, the third bolt 132 may be a hexagonal non-standard screw, and it can be understood by those skilled in the art that the hexagonal non-standard screw needs to be assembled and disassembled by using a special tool, which has an anti-theft function.

In some embodiments, the lower end of vertical rod 120 is provided with a groove adapted to the third bolt 132, so that vertical rod 120 is fixedly connected to the frame 130. It should be noted that the top of the third bolt 132 can be screwed into the groove, and through the cooperation between the third bolt 132 and the groove, the vertical rod 120 is more firmly fixed in the inner cavity of the frame 130, so that the vertical rod 120 and the frame 130 are not easy to loosen and separate, thereby ensuring stability and safety.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. An auxiliary armrest apparatus for a wheelchair, comprising:

the upper end of the vertical rod is fixedly connected with the movable rod;

2. A wheelchair assist armrest apparatus as claimed in claim 1, wherein the frame is provided with a first bolt for driving the sliding of the movable block.

3. The auxiliary armrest apparatus for wheelchair as claimed in claim 1, wherein the movable block is provided with a slot adapted to the handle of wheelchair.

4. The auxiliary armrest apparatus of claim 3 wherein said slot is configured with a circular arc surface adapted to said wheelchair handle.

5. The assistant armrest apparatus for wheelchair as claimed in claim 1, wherein the barrel is provided with a through hole adapted to the movable rod, and the movable rod is slidably disposed in the through hole.

6. A wheelchair assist armrest apparatus as claimed in claim 5, wherein the barrel is provided with a second bolt for locking the movable bar.

7. The assistant armrest apparatus for wheelchair of claim 1, wherein the upper end of the frame has an inner cavity with an upper opening, and the lower end of the vertical rod is inserted into the inner cavity.

8. A wheelchair assist armrest apparatus as claimed in claim 7, wherein the frame is provided with a third bolt for locking the upright.

9. The assistant armrest apparatus for wheelchair as claimed in claim 8, wherein the lower end of the vertical rod is provided with a groove adapted to the third bolt, so that the vertical rod is fixedly connected to the frame.