CN2083920U

CN2083920U - Light collapsible stretcher

Info

Publication number: CN2083920U
Application number: CN 91202933
Authority: CN
Inventors: 谢晶
Original assignee: Individual
Current assignee: Individual
Priority date: 1991-02-22
Filing date: 1991-02-22
Publication date: 1991-09-04

Abstract

The utility model relates to a light collapsible stretcher, comprising a frame comprising a longitudinal beam 1 and a crossbeam 2, a cloth operational bed surface, a support leg, joints i, ii, iii, iv and v and a cable truss structure arranged at a force transferring joint, and accordingly, the traditional form of the stretcher is changed. Folding can be carried out according to the need, a transverse folding can adopt a folding or a non folding mode, and a longitudinal folding can adopt the overlapping modes of an opposite folding, a four-folding and a six-folding; with the equal strength design of the longitudinal beam considered, a light material is adopted, which makes an overlapping and transportation mechanism be of compactness, easy carrying and handy use, being specially suitable for the need of field operation or field rescue.

Description

Light collapsible stretcher

This utility model belongs to the medical aid apparatus.

Present medical aid stretcher has been modified into from traditional fixed stretcher usually and has laterally can be folded into the frame mode that Er Changliang puts together, but still has big length, and it is all not too convenient to carry under some occasion and deposit.Chinese patent CN2032054U(1989.02,08) " folding utility stretcher ", a kind of collapsible stretcher is provided, made things convenient for and carried, finished its invention task preferably, but it can only realize laterally folded and doubling longitudinally, and it is long that structure length is still disliked, can not be further folding again, do not further consider stressing conditions, improve structural strength.

According to stressing conditions, improve structural strength, and can carry out vertical, horizontal once or more times is folding, structure is more compact, uses more portable stretcher, is design objective of the present utility model.

Light-duty Folding stretcher primary structure is: all be made up of folding hinge etc. on the framework of being made up of longitudinal and cross beam, collapsible spike, cloth work bed surface, the longitudinal and cross beam.Be characterized in: there is the cable wire truss structure at the force transmission joint place at the longeron middle part, the cable wire truss structure is two trianglees forming at the end of longeron segmentation and principal post oblique rollering steel rope, and the crossbeam replicating structure comprises and the bending joint is set and with bearing pin and to be packed in the side plate of longeron hinged in the crossbeam segmentation.On longeron, be provided with the handgrip bending joint and the middle part of the side joint of turning back.Employing such as longeron, crossbeam high-strength aluminum alloy or charcoal fibrous material are made.

Be described in further detail embodiment in conjunction with the accompanying drawings.

Fig. 1 is this programme front view;

Fig. 2 is this programme left view;

Fig. 3 is this programme vertical view.

The framework that this programme mainly is made up of longeron 1 and crossbeam 2, the spike that lands, cloth work bed surface and longeron 1 and crossbeam 2 are provided with folding hinge etc. and constitute.Crossbeam bending joint V is set on the crossbeam, can doubling; Force transmission joint I and selection are set on the longeron handgrip bending joint II, middle part of the side bending joint III or spike bending joint IV are set; At the force transmission joint place cable wire truss structure is arranged.

Fig. 4 is that force transmission joint I master looks enlarged diagram.

The force transmission joint I is mainly by biside plate 3, two bearing pins 4 and some securing member 15(example rivet etc.) form.During work, two longeron segmentations 5 are pressed on the column 6.According to the middle part moment of flexure maximum of mechanics principle simply supported beam, solve with the way that strengthens cross section usually.This programme is for strengthening the structural strength at force transmission joint I place, outer end at longeron segmentation 5 and column 6 adds oblique rollering steel rope 7, constitute two trianglees during work, form the cable wire truss structure at force transmission joint I place, therefore can select for use thinner material to still have enough intensity.The diagram direction of arrow is represented the direction of turning back of beam 5, and the column 6 that can recline.

Fig. 5 is that handgrip bending joint II master looks enlarged diagram.

Handgrip bending joint II mainly hangs pin 11 by four side plates 8, three bearing pins 9, two 10, two of hooks and some securing members 30 are formed.During work, handgrip 12 and longeron segmentation 13 compress mutually and by spike 14 pressure-bearings, are fixed by hook 10, extension pin 11.The figure arrow is represented the direction of turning back of spike 14, handgrip 12, and it is other to abut in longeron segmentation 13.

Fig. 6 is the middle part of the side joint III of turning back.

The joint III mainly is made up of four side plates 16, bearing pin 18, latch 19 and some securing members 17.Stressed during work by latch 19 and bearing pin 18,

longeron segmentation

5,13 is joined together.Pull out latch 19, then

longeron segmentation

5,13 can be turned back, also recline mutually around bearing pin 18 by the diagram direction of arrow.

Fig. 7 is that spike bending joint IV master looks enlarged diagram.

The joint IV mainly is made up of biside plate 20, bearing pin 22, latch 23 and some securing members 21 etc.By latch 23 spike 14 and the lug that is packed on the longeron 1 are connected firmly during work.Pull out latch 23, spike 14 can be around bearing pin 22 direction of arrow longeron 1 of turning back and recline as shown.

Fig. 8 is that Fig. 3 entablature bends the A-A of joint V to enlarged diagram.

The joint V mainly is made up of four side plates 24, bearing pin 26 and some securing members 25.The other end of crossbeam segmentation 27 is hinged with the side plate 29 that is packed on the longeron by bearing pin 28.Because the axis of bearing pin 26 is located at appropriate location outside the crossbeam segmentation 27, leans on self holding out against of crossbeam segmentation 27 during work, and certain self-locking anti-rotating function is arranged.When folding, turn back around bearing pin 26 by the direction of arrow shown in Figure 3 by crossbeam segmentation 27, and it is foldable within two longerons to recline mutually.

Utilize the various combination of above-mentioned joint geometry, can finish different folding modes.

For example: on traditional long longeron 1 mode, when being used in combination crossbeam replicating structure (bending joint V and hinged with the side plate 29 that is packed on the longeron with bearing pin 28 promptly is set) in crossbeam segmentation 27, then can carry out laterally folded.

For example adopt the crossbeam replicating structure, and adopt cable wire truss structure and force transmission joint I, spike bending joint IV on longeron, then stretcher also can carry out the doubling of the folding and longeron of spike 14 after laterally folded.

For example adopt the crossbeam replicating structure, and on longeron, adopt cable wire truss structure and force transmission joint I, handgrip bending joint II, the middle part of the side joint III of turning back, then can carry out following folding successively: folding → longeron segmentation 5 of the laterally folded → longeron segmentation 13 of folding → crossbeam of spike 14 and handgrip 12 folding.Thereby realize that laterally folded and vertical six are converted into overlapping state.

For proof strength and weight reduction, above-mentioned stretcher material can be selected high-strength aluminum alloy (routine LY12-CZ) or charcoal fiber for use.Cloth work bed surface can adopt nylon canvas or brocade silk sail silk fabric.

After implementing light-duty Folding stretcher, have the following advantages:

1. can select folding mode on demand, laterally can select for use folding or folding mode not; Vertically can select doubling, four folding or six foldings for use.More be becoming tight and gather thereby deposit, transport structure, carry easily.

2. owing to adopt the cable wire truss structure and select light material for use, stretcher weight is further light, uses more light.

3. be particularly suitable for field work or field dressing needs.

Claims

1, there is folding hinge etc. to constitute on framework, cloth work bed surface, collapsible spike and the longitudinal and cross beam that light-duty Folding stretcher mainly is made up of longeron 1 and crossbeam 2, it is characterized in that the cable wire truss structure being arranged at the force transmission joint I place at longeron middle part, the cable wire truss structure is that the outer end of longeron segmentation 5 and column 6 is provided with two trianglees that oblique rollering steel rope 7 is formed, the crossbeam replicating structure comprises bending joint V and hinged with the side plate 29 that is packed on the longeron with bearing pin 28 is set in the crossbeam segmentation 27 that the axis that bends the bearing pin 26 of joint V is located at outside the crossbeam segmentation 27.

2, stretcher according to claim 1 is characterized in that being provided with the handgrip bending joint II and the middle part of the side joint III of turning back on longeron.

3,, it is characterized in that employing high-strength aluminum alloys such as longeron, crossbeam and spike 14 or charcoal fibrous material make according to claim 1 and 2 described stretchers.