CN213157127U

CN213157127U - Foot-striding locking mechanism of simple wheelchair

Info

Publication number: CN213157127U
Application number: CN202021207766.4U
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: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-05-11
Anticipated expiration: 2030-06-28

Abstract

The utility model discloses a foot locking mechanical system is striden to simple and easy wheelchair, including the foot rest mounting, install spacer pin and torsional spring spacer pin on the side of foot rest mounting, the torsional spring spacer pin is located the spacer pin below, the spacer pin below is equipped with the panel beating buckle, panel beating buckle one end is fixed in on the foot rest mounting through the screw, the screw rotation can be followed to the panel beating buckle, panel beating buckle other end bottom is equipped with the arc bayonet socket, the panel beating buckle passes through arc bayonet socket joint bail, the bail is fixed in on the wheelchair frame, arc bayonet socket one side is equipped with the torsional spring fixed orifices, torsional spring fixed orifices inside is fixed with torsional spring one end, the tight torsional spring spacer pin in torsional spring other end top, torsional spring mid-mounting is inboard in the panel beating. This device simple structure realizes striding the locking of foot through the cooperation of bail and panel beating buckle, and is simple to use.

Description

Foot-striding locking mechanism of simple wheelchair

Technical Field

The utility model relates to a wheelchair locking mechanical system technical field, concretely relates to foot locking mechanical system is striden to simple and easy wheelchair.

Background

The wheelchair is an important tool for rehabilitation, not only is the wheelchair used as a travel tool for physically disabled persons and persons with mobility disabilities, but also more importantly, the wheelchair is used for physical exercise and participating in social activities. The front end of the wheelchair is provided with a straddle which is provided with a pedal plate and a leg support plate to help the mobility-handicapped people to support the lower limbs. In order to facilitate the use of the wheelchair by people with mobility disabilities, most of the existing straddle legs adopt a turnover mode, and when the wheelchair is used, the straddle legs are placed on the front side and are locked by a straddle leg locking mechanism for normal use; when a user gets off the wheelchair, the foot-striding locking mechanism can be opened, the foot-striding is turned to one side, and the user is prevented from being injured by the foot-striding. However, the existing foot-crossing locking mechanism is complex and inconvenient to use, and the problem of loosening of the foot-crossing is easy to occur.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a foot locking mechanical system is striden to simple and easy wheelchair to solve the problem that proposes among the above-mentioned background art. In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a foot locking mechanical system is striden to simple and easy wheelchair, includes the foot rest mounting, install spacer pin and torsional spring spacer pin on the side of foot rest mounting, the torsional spring spacer pin is located the spacer pin below, the spacer pin below is equipped with the panel beating buckle, panel beating buckle one end is passed through the fix with screw on the foot rest mounting, the panel beating buckle can be followed the screw and rotated, panel beating buckle other end bottom is equipped with the arc bayonet socket, the panel beating buckle passes through arc bayonet socket joint bail, the bail is fixed in on the wheelchair frame, arc bayonet socket one side is equipped with the torsional spring fixed orifices, torsional spring fixed orifices inside is fixed with torsional spring one end, the tight torsional spring spacer pin in torsional spring other end top, torsional spring mid-mounting.

Preferably, the panel beating buckle is "L" shape structure, the screw mounting is on the bent angle of "L" shape structure panel beating buckle tip, the spacer pin is located the department of bending of "L" shape structure panel beating buckle, can restrict the motion of panel beating buckle tip.

Preferably, a turning plate is arranged above the metal plate buckle and located above the arc-shaped bayonet.

Preferably, the clamp is a horsehead screw.

Preferably, the torsion spring one end is equipped with the bayonet socket structure, the torsion spring is fixed in the torsion spring fixed orifices through the bayonet socket structure.

The utility model discloses a technological effect and advantage: this device simple structure realizes striding the locking of foot through the cooperation of bail and panel beating buckle, and is simple to use.

Drawings

Fig. 1 is a schematic view of the installation of the present invention;

fig. 2 is a schematic view of the installation of the torsion spring of the present invention.

In the figure: the structure comprises a foot rest fixing part 1, a limiting pin 2, a torsion spring limiting pin 3, a sheet metal buckle 4, a screw 5, an arc bayonet 6, a staple 7, a wheelchair frame 8, a torsion spring fixing hole 9, a torsion spring 10, a turnover plate 11 and a bayonet 12.

Detailed Description

In order to make the technical means, the creative features, the objectives and the functions of the present invention easily understood and appreciated, the present invention will be further described with reference to the specific drawings, and in the description of the present invention, unless otherwise specified or limited, the terms "mounted," connected "and" connected "should be understood broadly, and for example, the terms" fixed connection, "detachable connection," integral connection, mechanical connection, and electrical connection may be used; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.

Example 1

A simple wheelchair step locking mechanism as shown in fig. 1 and 2 comprises a foot rest fixing member 1, a limiting pin 2 and a torsion spring limiting pin 3 are arranged on the side surface of the foot rest fixing piece 1, the torsion spring limiting pin 3 is positioned below the limiting pin 2, a sheet metal buckle 4 is arranged below the limiting pin 2, one end of the sheet metal buckle 4 is fixed on the foot rest fixing part 1 through a screw 5, the sheet metal buckle 4 can rotate along the screw 5, the bottom of the other end of the sheet metal buckle 4 is provided with an arc bayonet 6, the metal plate buckle 4 is clamped with the staple bolt 7 through the arc bayonet 6, the staple bolt 7 is fixed on the wheelchair frame 8, one side of the arc-shaped bayonet 6 is provided with a torsional spring fixing hole 9, one end of a torsional spring 10 is fixed in the torsional spring fixing hole 9, the other end of the torsion spring 10 tightly pushes against the torsion spring limiting pin 3, and the middle part of the torsion spring 10 is installed on the inner side of the metal plate buckle 4.

Example 2

Preferably, panel beating buckle 4 is "L" shape structure, screw 5 is installed on the bent angle of "L" shape structure panel beating buckle 4 tip, spacer pin 2 is located "L" shape structure panel beating buckle 4's the department of bending, can restrict the motion of 4 tip of panel beating buckle.

Preferably, a turning plate 11 is arranged above the sheet metal buckle 4, and the turning plate 11 is positioned above the arc-shaped bayonet 6.

Preferably, the clamp is a 7-horse head screw.

Preferably, one end of the torsion spring 10 is provided with a bayonet structure 12, and the torsion spring 10 is fixed in the torsion spring fixing hole 9 through the bayonet structure 12.

The utility model discloses process flow and theory of operation do: when the locking straddle leg and the wheelchair frame are needed, the arc bayonet 6 of the sheet metal buckle 4 is clamped on the staple bolt 7, at the moment, the sheet metal buckle 4 can be firmly clamped on the staple bolt 7 through the tension of the torsion spring 10 and the limit of the limit pin 2, and the staple bolt 7 is arranged on the wheelchair frame 8, and the foot stand fixing part 1 is connected with the straddle leg structure, so that the locking between the straddle leg and the wheelchair frame is completed; when the locking between foot and the wheelchair frame is relieved to needs, will stride the foot when overturning to the opposite side, upwards promote panel beating buckle 4 through turning over board 11, with the arc bayonet socket 6 upward movement of panel beating buckle 4, the other end of panel beating buckle 4 rotates along screw 5, makes panel beating buckle 4 break away from bail 7, can realize striding breaking away from between foot and the wheelchair frame.

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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a foot locking mechanical system is striden to simple and easy wheelchair, includes the foot rest mounting, its characterized in that: install spacer pin and torsional spring spacer pin on the side of foot rest mounting, the torsional spring spacer pin is located the spacer pin below, the spacer pin below is equipped with the panel beating buckle, panel beating buckle one end is fixed in on the foot rest mounting through the screw, the panel beating buckle can be followed the screw and is rotated, panel beating buckle other end bottom is equipped with the arc bayonet socket, the panel beating buckle passes through arc bayonet socket joint bail, the bail is fixed in on the wheelchair frame, arc bayonet socket one side is equipped with the torsional spring fixed orifices, torsional spring fixed orifices inside is fixed with torsional spring one end, the tight torsional spring spacer pin in torsional spring other end top, torsional spring mid-mounting is inboard in the panel beating buckle.

2. The simple wheelchair step locking mechanism of claim 1, wherein: the panel beating buckle is "L" shape structure, the screw mounting is on the bent angle of "L" shape structure panel beating buckle tip, the spacer pin is located the department of bending of "L" shape structure panel beating buckle, can restrict the motion of panel beating buckle tip.

3. The simple wheelchair foot-spanning locking mechanism according to any one of claims 1 or 2, wherein: a turning plate is arranged above the metal plate buckle and located above the arc-shaped bayonet.

4. The simple wheelchair step locking mechanism of claim 1, wherein: the staple is the horse head screw.

5. The simple wheelchair step locking mechanism of claim 1, wherein: and one end of the torsion spring is provided with a bayonet structure, and the torsion spring is fixed in the torsion spring fixing hole through the bayonet structure.