CN2936219Y

CN2936219Y - Simply supported curved surface chair bed

Info

Publication number: CN2936219Y
Application number: CN 200620098315
Authority: CN
Inventors: 李平
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-08-10
Filing date: 2006-08-10
Publication date: 2007-08-22
Anticipated expiration: 2016-08-10

Abstract

A simply supported curved chair bed, wherein the upper and middle bed panels are supported on the base or the rocker fixed on the base by the rotating shaft, when the body of the user slightly moves, the upper panel rotates around the shaft, the sliding block (pulley) arranged on the lower extending arm at the lower part slides in the sliding groove arranged on the upper extending arm at the upper part of the middle plate, and the positions of the upper and middle bed panels are determined; the upper and middle plates are connected by a flexible structure which can be longitudinally bent back and forth at the position corresponding to the buttocks, when the lying position is changed into the sitting position, the relative displacement of the contact part of the bed panel and the body of the user is small, the slippage of the body is reduced, the bed surface corresponding to the buttocks is changed into a curved surface, and the user feels more comfortable.

Description

A kind of curved surface chair bed of freely-supported support

Technical field

The curved surface chair bed of a kind of freely-supported support relates to bed, chair, sofa or makes things convenient for patient's equipment, the sick bed that particularly has a special care be applicable to weakling's chair, and be the equipment of motion, body-building or leisure.

Background technology

A large amount of hospitals are existing shakes rocking arm by other people and gets up and sit, (as the 99 2 45489.1 described chairs of patent) that just can get up and sit with the strength that only depends on user oneself, coupling part between its backrest and the seat forms broken line, sit in the switching motion process that crouches, the health of user has straight skidding, and hip curve and bed surface are not fitted, and it is uncomfortable that user is felt; A small amount of import and imitated sick bed adopt the curve bed board at buttocks, its bed board and supporting construction complexity, and consumptive material is many, and can not manual operation, and the required power of motor-driven is big, power consumption is high, the cost height.

Summary of the invention

This utility model discloses a kind of curved surface chair bed of freely-supported support at the deficiency of above-mentioned each example, and its change of sitting the action of crouching can be by the self-dependent strength self-help operation of user; When user rises when sitting, the coupling part between backrest and the seat forms curve fitting with buttocks, thereby the rare straight skidding of health, and comfort is strong; It is simple in structure, and rapid operation when making electric bed, can use the motor-driven of smaller power thereby energy-conservation.

The curved surface chair bed of a kind of freely-supported support described in the utility model, form by bed panel and base, wherein, panel is divided into, in, following three (with the user attitude of lying on the back is reference, head is last, before face is, down together), it is characterized in that: there is following semi-girder the upper plate below, and pulley or slide block are housed on the arm, and upper plate is supported on the base by the main shaft between upper plate mid point and upper plate lower edge, when upper plate rotates around main shaft, pulley or slide block can be above middle plate on slide in the chute adorned on the semi-girder, middle plate is equipped with secondary shaft by an end of below, but this secondary shaft is supported by the rocking arm of longitudinal oscillation on the base; Go up, between the middle two boards corresponding to the upper and lower side of buttocks by vertically can before and after crooked flexible structure link, the lower plate upper edge is linked to each other by hinge with middle plate lower edge, push and pull system is equipped with at the back side of lower plate can selection and upper plate or the interlock of middle plate, between the moving component of bed and the base steerable location or driving device is housed.

The curved surface chair bed of described a kind of freely-supported support is characterized in that: but the below is pressed to or pulled to the lower spring that the rocking arm of longitudinal oscillation is installed on the base on the described base, and the upper spring that the following boom point of described upper plate is adorned by the last boom point of middle plate pulls to the top.

The curved surface chair bed of described a kind of freely-supported support is characterized in that: but the rocking arm of described longitudinal oscillation has block spacing respectively at the stroke two ends of its swing.

A kind of curved surface chair bed of freely-supported support, form by bed panel and base, wherein, panel is divided into three of upper, middle and lower, it is characterized in that: there is following semi-girder the upper plate below, pulley or slide block are housed on the arm, upper plate is supported on the base by the main shaft between upper plate mid point and upper plate lower edge, when upper plate rotates around main shaft, slides in the chute of being adorned on the semi-girder on pulley or slide block can be above middle plates, middle plate is equipped with secondary shaft by an end of below, and this secondary shaft is directly supported by base; Go up, between the middle two boards corresponding to the upper and lower side of buttocks by vertically can before and after crooked flexible structure link, the lower plate upper edge is linked to each other by hinge with middle plate lower edge, push and pull system is equipped with at the back side of lower plate can selection and upper plate or the interlock of middle plate, between the moving component of bed and the base steerable location or driving device is housed.

As shown from the above technical solution, the curved surface chair bed of a kind of freely-supported support described in the utility model, its upper plate and middle plate are fixed on the base by main shaft and secondary shaft respectively, when upper plate rotates around main shaft, on the following semi-girder of its below the pulley adorned or slide block above middle plate on slide in the chute adorned of semi-girder, thereby determined the state of middle plate; The lower plate top is linked to each other by hinge with the below of middle plate, the push and pull system at the lower plate back side and upper plate or the interlock of middle plate, and corresponding to each state last, middle plate, lower plate all has corresponding state corresponding with it; Upward, the junction of middle two boards is linked by vertical flexible flexible structure corresponding to the upper and lower side of buttocks, when the chair bed becomes sitting posture, the junction of upper plate and middle plate no longer is a broken line, but constituted the curve that fits with buttocks by the flexible structure of bending, thereby the slippage of health is very little, feels comfortable; Three blocks of plates are mainly all supported by the rotating shaft of frictional force minimum, and sit when crouching conversion, and the height of C.G. of user is constant substantially, so operating physical force is minimum, user leans on the mild action of health can change the attitude of chair bed; If use motor-driven instead, power demand is minimum.

Description of drawings

Fig. 1 is the prone position schematic side view of an embodiment of this utility model, and wherein, secondary shaft is supported by the rocking arm on the base;

Fig. 2 is the sitting posture schematic side view of the described embodiment of Fig. 1;

Fig. 3 is that secondary shaft is by the schematic side view of the embodiment of the support of the chute on the base;

Fig. 4 is that secondary shaft is by the schematic side view of the direct embodiment that supports of base;

Fig. 5 is divided into the schematic side view of the two-part embodiment in the left and right sides for lower plate;

Fig. 6 be vertically can before and after the embodiment sketch map of one of crooked flexible structure;

Fig. 7 be vertically can before and after two embodiment sketch map of crooked flexible structure;

Fig. 8 be vertically can before and after three embodiment sketch map of crooked flexible structure;

Fig. 9 be vertically can before and after four embodiment sketch map of crooked flexible structure.

Concrete embodiment

In Fig. 1 prone position schematic side view, 1 base, 2 upper plates, 3 main shafts, 4 flexible structures, the master of 5 bar linkage structures supports, 6 upper springs, 7 times semi-girders, 8 pulleys or slide block, 9 times semi-girders, 10 location or driving devices, 12 lower springs, 13 positive stops, plate in 14,15 secondary shafts, 16 rocking arms, 17 hinges, the connecting rod of 18 bar linkage structures, 19 lower plates, time support of 20 bar linkage structures.In Fig. 2 sitting posture schematic side view, 11 is chute.

In conjunction with above two figure as seen, (with what scheme is up and down reference downwards when buttocks and calf, exert all one's strength down together), when upper body was upwards gently lifted, upper plate 2 was holded up, and plate 14 sinks in the drive; pendulum and limited block are spacing on the rocking arm; go up lower spring and play laborsaving and balanced action, lower plate 19 declivities, and the chair bed becomes sitting posture; Because primary and secondary rotating shaft 3 and 15 all is positioned under the bed panel straight line, short when the distance at two ends is than prone position about the flexible material at this moment, so the buttocks corresponding position is a curve; When location or driving device 10 were used as the location, it was a clamping device, clamps the connecting rod 18 of bar linkage structure, makes a chair be positioned at a certain position; During as driving, it is a motor and deceleration system, and the connecting rod 18 front and back action of drive linkage arrangement reaches the automatic operation of a chair.

In Fig. 3, rocking arm 16 is replaced by slideway 21, the same precedent of the operating principle of secondary shaft 15 in slideway.

In Fig. 4, secondary shaft 15 is directly supported by the fulcrum of base, and at this moment, an end 22 of flexible material 4 can be onboard to lower slider, but is kept off by stops 23, can not upwards withdraw, and during sitting posture, its tension force can bear the body weight of user.

In Fig. 5, two 19L and 19R about lower plate is divided into, the lower edge of plate 14 during their upper edge is fixed in by hinge 17 respectively, left and right sides lower plate respectively by about time support that 20L and 20R and left and right sides connecting rod 19L and 18R be attached to upper plate 2 respectively main support 5 and the interim support 24 of middle plate 14 on, user is when sitting posture, right lower limb stretches, and left lower limb is crooked, is applicable to the unyielding user of right lower limb.

Flexible structure shown in Figure 6 is to be made of elastic metal sheet.

Flexible structure shown in Figure 7 is to be made of soft tension fabric.

Flexible structure shown in Figure 8 is that the bar by the soft material fixed lateral of tension constitutes to increase its horizontal rigidity and Incoercibility longitudinally.

Claims

1. the curved surface chair bed that supports of a tube, form by bed panel and base, wherein, panel is divided into three of upper, middle and lower, it is characterized in that: there is following semi-girder the upper plate below, pulley or slide block are housed on the arm, upper plate is supported on the base by the main shaft between upper plate mid point and upper plate lower edge, when upper plate rotates around main shaft, pulley or slide block can be above middle plate on slide in the chute adorned on the semi-girder, middle plate is equipped with secondary shaft by an end of below, but this secondary shaft is supported by the rocking arm of longitudinal oscillation on the base; Go up, between the middle two boards corresponding to buttocks upper and lower side all by vertically can before and after crooked flexible structure link, the lower plate upper edge is linked to each other by hinge with middle plate lower edge, push and pull system is equipped with at the back side of lower plate can selection and upper plate or the interlock of middle plate, and the motion of bed all is equipped with steerable location or driving device between part and the base.

2. the curved surface chair bed of a kind of freely-supported support according to claim 1, it is characterized in that: but the below is pressed to or pulled to the lower spring that the rocking arm of longitudinal oscillation is installed on the base on the described base, and the upper spring that the following boom point of described upper plate is adorned by the last boom point of middle plate pulls to the top.

3. the curved surface chair bed of a kind of support according to claim 1 is characterized in that: but the rocking arm of described longitudinal oscillation has block spacing respectively at the stroke two ends of its swing.

4. the curved surface chair bed that supports of a tube, form by bed panel and base, wherein, panel is divided into three of upper, middle and lower, it is characterized in that: there is following semi-girder the upper plate below, pulley or slide block are housed on the arm, upper plate is supported on the base by the main shaft between upper plate mid point and upper plate lower edge, when upper plate rotates around main shaft, slides in the chute of being adorned on the semi-girder on pulley or slide block can be above middle plates, middle plate is equipped with secondary shaft by an end of below, and this secondary shaft is directly supported by base; Go up, between the middle two boards corresponding to buttocks upper and lower side all by vertically can before and after crooked flexible structure link, the lower plate upper edge is linked to each other by hinge with middle plate lower edge, push and pull system is equipped with at the back side of lower plate can selection and upper plate or the interlock of middle plate, and the motion of bed all is equipped with steerable location or driving device between part and the base.