CN2421976Y

CN2421976Y - Wheel chair capable of climbing stairs

Info

Publication number: CN2421976Y
Application number: CN 00229747
Authority: CN
Inventors: 时啟瑞; 时啟斌; 时啟新
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-04-19
Filing date: 2000-04-19
Publication date: 2001-03-07
Anticipated expiration: 2010-04-19

Abstract

The utility model relates to a wheel chair capable of climbing stairs, wherein, the utility model is suitable for climbing up and down the stairs. The utility model comprises a chair rack, and four chair legs evenly distributed at the lower part of the chair rack. The four chair legs are equally hinged with the chair rack, and each chair leg is evenly composed of a supporting rod, wherein, the middle part of the supporting rod can be bent. The chair rack is provided with four crank link mechanisms. Each crank is respectively hinged with a chair leg by a connecting rod. The two cranks connected with the two chair legs at any diagonal line have the same moving phase position. The moving position of the two cranks connected with the two chair legs at the other diagonal line and the moving position of the two cranks differ by 180 DEG. Because using the structure, accordingly, the utility model realizes the aim that the wheel chair can climb up and down the stairs.

Description

What be applicable to upper and lower building climbs the balcony chair

This utility model relates to a kind of seat, relate to specifically a kind of be applicable to upper and lower building climb the balcony chair.

Known seat moves because of not carrying out upper and lower building, when upper and lower building, seat handicapped personnel such as patient or old men etc. on chair must leave seat, are assisted in or are carried upper and lower building by other staff, and this brings many inconvenience just for nursing staff and patient.

The purpose of this utility model with regard to be at above-mentioned existing in prior technology not enough and provide a kind of be applicable to upper and lower building climb the balcony chair.

The purpose of this utility model can realize by following technical measures:

This utility model comprise the chair frame and uniform be arranged on four chair lower limbs of fast chair frame bottom, described four chair lower limbs all are hinged with the chair frame, every chair lower limb is formed by the flexible pole in a middle part; The chair frame is provided with the four-throw linkage, and described each crank is hinged by a connecting rod and a chair lower limb respectively; Be in arbitrary diagonal on the be connected motion phase of bent two cranks of two chair lower limbs identical, and the motion phase of the motion phase of two cranks that are connected with two chair lower limbs on another diagonal and above-mentioned two cranks differs 180 degree.

Move for ease of seat, speed four chair lower limbs the lower end be provided with a roller.

Advantage of the present utility model just is four chair lower limbs of seat are arranged to the flexible pole in middle part, and the chair frame is provided with the four-throw linkage, described each crank is hinged by a connecting rod and a chair lower limb respectively, with be in arbitrary diagonal on the motion phase of two cranks that are connected of two chair lower limbs identical, and the motion phase of the motion phase of two cranks that are connected with two chair lower limbs on another diagonal and above-mentioned two cranks differs 180 degree, in the time of upstairs, by cranker the two chair lower limbs bending that is on the diagonal is also stepped forward, when this two chairs lower limb contacts with the upper level stair, cranker stretches the chair lower limb, at this moment, crooked also upwards the stepping with the upper level stair of two chair lower limbs that is on another diagonal contacts, crank repeating motion like this, thus realized making on the seat, purpose downstairs.

Fig. 1 is a framework three-dimensional structure diagram of the present utility model.

This utility model describes in further detail below in conjunction with specific embodiment (accompanying drawing):

As shown in the figure, this utility model comprises chair frame 1 and uniform four chair lower limbs 2 that are arranged on described chair frame 1 bottom, and described four chair lower limbs 2 all are hinged with chair frame 1, and every chair lower limb 1 is formed by the flexible pole in a middle part; Chair frame 1 is provided with the four-throw linkage, and described each crank 3 is hinged by a connecting rod 4 and a chair lower limb 2 respectively; Be in arbitrary diagonal on the motion phase of two cranks 3 that are connected of two chair lower limbs 2 identical, and the motion phase of two crank-motion phase places that are connected with two chair lower limbs 2 on another diagonal and above-mentioned two cranks differs 180 degree.

Claims

1, a kind of be applicable to upper and lower building climb the balcony chair, it comprises chair frame (1) and uniform four the chair lower limbs (2) that are arranged on described chair frame (1) bottom, it is characterized in that: institute's four chair lower limbs of speed (2) all are hinged with chair frame (1), and every chair lower limb (1) is formed by the flexible pole in a middle part; Chair frame (1) is provided with the four-throw linkage, and institute's each crank of speed (3) is hinged by a connecting rod (4) and a chair lower limb (2) respectively; Be in arbitrary diagonal on the motion phase of two cranks (3) that are connected of two chair lower limbs (2) identical, and the motion phase of the motion phase of two cranks that are connected with two chair lower limbs (2) on another diagonal and above-mentioned two cranks differs 180 degree.

2, according to claim 1 be applicable to upper and lower building climb the balcony chair, it is characterized in that: the lower end at described four chair lower limbs (2) is provided with a roller.