CN201227042Y - Bed - Google Patents

Abstract

The utility model relates to a bed which comprises a load-bearing frame. A tilting part used for movably bending backwards for a backrest is arranged at the headboard, and the tilting part is in level position via a driving device and is tilted to a position higher than the headboard from the level position so as to rise or descend. The driving device comprises an arm part and a telescopic actuator, wherein the arm part is fixedly arranged under the tilting part, one end of the actuator is connected to the arm part, and the other end of the actuator is connected to the bed frame. The arm part is connected with the actuator via a sliding connector, and when the sliding connector moves in a descending way, the connected position slides towards the direction where the tilting part is moved in a descending way by using the resistance for hindering the movement with descending. The sliding connector is provided with a movable stroke, and the movable stroke ensures that the tilting part can be manually raised to the position higher than the upper edge of the headboard.

Description

Bed

Technical field

The utility model is a kind of bed, particularly is the bed that improves security about a kind of.

Background technology

Please refer to shown in Figure 14 a, a kind of prior art bed such as open 2003-024179 number of Japanese Patent Laid announcement, this a is provided with the b1 of portion that fascinates on the part of the supporting part b that is available for users to couch, this b1 of portion that fascinates can rise to move and form the backrest and the movable layback state of inclination, to improve ease of use.In order further to improve ease of use, this b1 of portion that fascinates is the actuator c that utilizes electrodynamic type etc., with form can rise or descend mobile.

Yet, please refer to shown in Figure 14 b and the 14c, when this b1 of portion that fascinates is mobile along with this actuator c descends, the prior art bed is if there is the barrier o that hinders this b1 of portion that fascinates to descend and move, in in the case, if this actuator c continues to drive, this barrier o then will be sandwiched in this by powerful strength and fascinate between the b1 of portion and this headpiece d, thereby there is a doubt that this barrier o or this a are damaged, especially, more having fascinates in this clips to the doubt that causes a serious accident of infant's neck etc. between b1 of portion and this headpiece d; Therefore, the prior art bed has necessity of further its security of raising.

The utility model content

The utility model main purpose provides a kind of bed, mainly be to utilize a slip joint to link an arm and an actuator that is installed in below the portion of fascinating, this slip joint is when decline is mobile, utilize to hinder this resistance that descends and move, and coupling position is slided toward stoping this subordinate that fascinates to fall mobile direction; And but this slip joint has a dynamic stroke, but should dynamic stroke makes this portion of fascinating manually rise to the position of certain altitude, to improve the security of bed.

The disclosed bed of the utility model, it is to comprise a frame and a carrier.This frame sets firmly a vertically extending headpiece in an end.This carrier mounting is on this frame.This carrier comprises the portion that fascinates of the movable layback usefulness of a backrest in this headpiece side, this portion of fascinating is formed on level by drive unit, and incline to than this headpiece high position more from this level, move to form to rise or descend between the heeling condition that tilts.This drive unit is made of an arm and a telescopic actuator, and this arm is to be installed in below this portion that fascinates, and an end of this actuator is to be attached at this arm, and the other end of this actuator is to be attached at this frame.This arm and this actuator are to be linked by slip joint, and this slip joint is utilized to hinder this resistance that descends and move when decline is mobile, slides and make past this subordinate that fascinates of prevention of coupling position fall mobile direction.But this slip joint is to have a dynamic stroke, but this portion of fascinating is manually risen to than the upper limb of this headpiece high position more.

Foregoing bed, preferably, but this slip joint is to have a dynamic stroke, but should dynamic stroke makes angle of inclination that the portion of fascinating of level manually rises to this drive unit maximum inclination state angle of half at least.

Foregoing bed, preferably, this actuator is to comprise a body, a link rod part and a motor, and this body is near this frame that is linked to that can rotate arbitrarily trunnion axis, this link rod part can be flexible arbitrarily from this body, and this motor can be flexible arbitrarily from this body for this link rod part; This slip joint is to comprise a slotted hole and a latch, and this slotted hole is located at this link rod part, and this latch is this slotted hole of insertion that is installed in this arm and can slides arbitrarily.

Foregoing bed, preferably, this actuator is to comprise a body, a link rod part and a motor, and this body is near this frame that is attached at that can rotate arbitrarily trunnion axis, this link rod part can be flexible arbitrarily from this body, and this motor can be flexible arbitrarily from this body for this link rod part; This slip joint is to comprise a slotted hole and a latch, and this slotted hole is located at this arm, and this latch is this slotted hole of insertion that is installed in this link rod part and can slides arbitrarily.

Foregoing bed, preferably, this frame is made of the two bed frame bodies that can fold handstand V font arbitrarily.

Foregoing bed, preferably, the angle of inclination of the maximum inclination state that utilizes this drive unit of this portion that fascinates is 60 °～80 °, and the height that this headpiece is started at from this frame is 250mm～450mm.

A kind of bed also is provided in addition, and it is to comprise a frame and a carrier.This carrier mounting is on this frame.This carrier comprises the portion that fascinates of the movable layback usefulness of a backrest, and this portion of fascinating is formed on level by drive unit, and moves from rising or descend between this level being inclined the heeling condition that forms.This drive unit is made of an arm and a telescopic actuator, and this arm is to be installed in below this portion that fascinates, and an end of this actuator is to be attached at this arm, and the other end of this actuator is to be attached at this frame.This arm and this actuator are to be linked by slip joint, and this slip joint is utilized to hinder this resistance that descends and move when decline is mobile, slides and make past this subordinate that fascinates of prevention of coupling position fall mobile direction.But this slip joint is to have a dynamic stroke, but should dynamic stroke makes angle of inclination that the portion of fascinating of level manually rises to this drive unit maximum inclination state angle of half at least.

Foregoing another kind of bed, preferably, this portion of fascinating can manually rise to more than 80% of this drive unit maximum inclination state.

Foregoing another kind of bed, preferably, this actuator is to comprise a body, a link rod part and a motor, this body is near this frame that is attached at that can rotate arbitrarily trunnion axis, this link rod part can be flexible arbitrarily from this body, and this motor can be flexible arbitrarily from this body for this link rod part.This slip joint is to comprise a slotted hole and a latch, and this slotted hole is located at this link rod part, and this latch is this slotted hole of insertion that is installed in this arm and can slides arbitrarily.

Foregoing another kind of bed, preferably, the angle of inclination of the maximum inclination state that utilizes this drive unit of this portion that fascinates is 60 °～80 °.

A kind of bed also is provided again, and it is to comprise a frame and a carrier.This carrier mounting is on this frame.This carrier comprises the portion that fascinates of the movable layback usefulness of a backrest, and this portion of fascinating is formed on level by drive unit, and moves from rising or descend between this level being inclined the heeling condition that forms.This drive unit is made of an arm and a telescopic actuator, and this arm is to be installed in below this portion that fascinates, and an end of this actuator is to be attached at this arm, and the other end of this actuator is to be attached at this frame.This frame and this actuator are to be linked by slip joint, and this slip joint is utilized to hinder this resistance that descends and move when decline is mobile, slides and make past this subordinate that fascinates of prevention of coupling position fall mobile direction.But this slip joint is to have a dynamic stroke, but should dynamic stroke makes the portion that fascinates of level, and the angle of inclination that manually rises to this drive unit maximum inclination state is the angle of half at least.

The beneficial effects of the utility model are: its arm and actuator are to be linked by slip joint.Moreover its frame and actuator are to be linked by slip joint.When slip joint hinders in descending when mobile, producing under the situation of this resistance of moving of descending, coupling position is slided toward stoping this subordinate that fascinates to fall mobile direction.Moreover, but having one, slip joint can make the portion of fascinating manually rise to the dynamic stroke of certain position; By this, possess the bed of aforementioned slip joint, for example ought exist and hinder the subordinate that fascinates to fall under the state of mobile barrier, move even continue the decline of actuator, this resistance can stop the decline of the portion of fascinating and move.Because the deadweight of portion of only fascinating is to this barrier generation effect, therefore, except the breakage that can prevent barrier or bed, accident etc., also can be easy to barrier is removed from the bed, and then improves the security of bed again.

Moreover, because but this slip joint is to have a dynamic stroke, but should dynamic stroke make angle of inclination that the portion of fascinating of level manually rises to this drive unit maximum inclination state angle of half at least, make drive unit on-stream, between portion of fascinating and headpiece, or fascinate portion and bed be provided with bigger space between the frame, therefore can be easy to remove the barrier that is clipped in therebetween.

Moreover it can provide slip joint under simple structure.

Moreover its foldable bed is with collecting of not taking up space.

Moreover, because this portion of fascinating utilizes the angle of inclination of the maximum inclination state of this drive unit to form bigger 60 °～80 °, therefore, can provide user on the carrier more comfortable backrest layback state when reading or feed etc.

Moreover the height setting that this headpiece is started at from this frame is 250mm～450mm.Possessing on the bed of headpiece so, when the portion of fascinating forms the movable layback state of this backrest, the child of position on the bed frame neck for example, the position is near ora terminalis on this headpiece easily, therefore, so be suitable for the utility model and can further bringing into play its effect on the bed.

Moreover, because this portion of fascinating can manually rise to more than 80% of this drive unit maximum inclination state, make drive unit on-stream, between portion of fascinating and bed frame, be provided with bigger space, therefore can be easy to remove the barrier that is clipped in therebetween.

Description of drawings

Fig. 1: the exploded perspective view of the bed of the utility model preferred embodiment.

Fig. 2: the top view of the bed of the utility model preferred embodiment.

Fig. 3: the side view of the folding handstand V-shape attitude of the bed of the utility model preferred embodiment.

Fig. 4: the part sectioned view of the drive unit of the utility model preferred embodiment.

Fig. 5: the exploded perspective view of the slip joint of the utility model preferred embodiment.

Fig. 6 a～6c: the explanation of the utility model preferred embodiment part sectioned view that the rise and fall of portion are moved that fascinates.

Fig. 7 a～7c: the part sectioned view that has the state of barrier when mobile on the bed frame falls in the subordinate that fascinates of the utility model preferred embodiment.

Fig. 8 a～8b: the part sectioned view that makes the manual state that rises of the portion of fascinating of the utility model preferred embodiment.

Fig. 9: the part sectioned view of the slip joint of another preferred embodiment of the utility model.

Figure 10 a～10b: the part sectioned view of the effect of the explanation slip joint of another preferred embodiment of the utility model.

Figure 11: the utility model is the part sectioned view of the slip joint of a preferred embodiment again.

Figure 12 a～12b: the utility model is the part sectioned view of the effect of the explanation slip joint of a preferred embodiment again.

Figure 13 a～13b: the part sectioned view of the sliding mode of the slip joint of the bed of the installing handle of the utility model preferred embodiment.

Figure 14 a～14c: the part sectioned view of mobile status falls in the subordinate that fascinates of prior art bed.

[primary clustering symbol description]

1 11 connecting piece 12 connecting rods

13 headpieces, 14 mattresses 15 spring that is pulled

16 reinforcing bars, 17 handle 17a bends

Second frame of first frame 2B of 2 frame 2A

21 drive units, 22 arm 22a base portions

22b protrusion tab 22c hole 25 latches

26 actuator 26A body 26A1 cylindrical portion

The 26A2 hinge 26B of portion link rod part 26C motor

3 carrier 3A, the first carrier 3A1 portion that fascinates

3A2 fixed part 3B second carrier 31 slip joint

32 slip joint 33a, the first protuberance 33b, second protuberance

34 knock pins, 35 axial region 35a matrixes

35b axial region 35c sliding surface 37 auxiliary pulleys

38 latches, 4 carrying frame-saws, 40 carriages

4a framework 4b net material 4c reinforcement material

5a master's frame 5b reinforcement material 6 connecting pieces

7 first pin 7a foot rest 7b pulleys

8 crus secunda 8a foot rest 8b pulleys

9 intermediate supports pin e ora terminalis h1 height

H2 height H a slotted hole Hb slotted hole

Hc slotted hole hm height i space

But K resistance Ln dynamic stroke Lw height

Lm holds in addition apart from S1 one end S2

T barrier W beeline

The specific embodiment

In order to allow above-mentioned and other purpose, feature and advantage of the present utility model understand by clearer and more definite quilt, hereinafter will be especially exemplified by the utility model preferred embodiment, and cooperate appended graphicly, be described in detail below.

Fig. 1 is the exploded perspective view of the utility model preferred embodiment bed 1, and Fig. 2 is the top view of the utility model preferred embodiment bed 1, and Fig. 3 is the folded state side view of the folding handstand V font of the utility model preferred embodiment bed 1.

The bed 1 of the utility model preferred embodiment is to comprise a frame 2 and a carrier 3.Be to set firmly one in the vertically extending headpiece 13 of an end S1 of the longitudinally of this frame 2 on this frame 2, this carrier 3 is that mounting is on this frame 2; This frame 2 is made up of collapsible two frame halfbodies that form handstand V font, also promptly is made up of with the second frame 2B that is disposed at other end S2 the first frame 2A that is disposed at an end S1; Again, the headpiece 13 in the present embodiment is to form a plate body, but also can use the form of forming rectangle with metal tubing frame.Please refer to shown in Figure 4ly, the height hm that this headpiece 13 is started at from this frame 2 is preferably the height that is higher than the user's head in going to bed on this carrier 3, normally is set in more than the 230mm preferable being set in about 250mm～450mm.

This first frame 2A and this second frame 2B be fixedly arranged on main frame 5a with to the reinforcement material 5b that extends in length and breadth to form one, this main frame 5a is bent to form for example to look from the plane slightly to be ㄇ font or square, in the present embodiment, this main frame 5a shape that is the ㄇ font; Again, the bed 1 of present embodiment normally respectively by this first frame 2A carrying person to go to bed's the upper part of the body, carries person to go to bed's the lower part of the body by this second frame 2B side.

End at the end S1 of this first frame 2A, be provided with 2 first pin 7 in the both sides of bedside direction, in the present embodiment, this first pin 7 is made of foot rest 7a that is handstand T font and the pulley 7b that is installed in this foot rest 7a below, and the end of the other end S2 of this second frame 2B, also be provided with two crus secundas 8 in the both sides of bedside direction, in the present embodiment, this crus secunda 8 is made of this second frame 2B foot rest 8a that extends downwards and the pulley 8b that is installed in this foot rest 8a below; Utilize this first foot rest 7 and this second foot rest 8 that this bed 1 is moved smoothly, and the bedside direction central authorities of the other end S2 of this second frame 2B, for example can establish an auxiliary pulley 37, when these frame 2 folding handstand formed the V font, this auxiliary pulley 37 can provide this second more stable being supported on the ground of frame 2B.

This frame 2 is two connecting pieces 11 that utilize the both sides of being located at the bedside direction, end with the end S1 of the end of the other end S2 that forms this first frame 2A of pivot joint that to rotate arbitrarily and this second frame 2B, this connecting piece 11 is to set firmly the formation one with the connecting rod 12 that extends to the bedside direction, set firmly two intermediate supports pin 9 on this connecting rod 12, this intermediate supports pin 9 can contact with ground under level, by this, can be by this first pin 7, this crus secunda 8 supports this weight of 1 with this intermediate supports pin 9, stability when using to improve, again, can set up a reinforcing bar 16 between this intermediate supports pin, this reinforcing bar 16 is to form triangle in the central authorities of bedside direction towards this bed 1 top bending.In addition, between this first frame 2A and this intermediate supports pin 9, and between this second frame 2B and this intermediate supports pin 9, can for example set up the spring 15 that is pulled, this frame 2 is folded when standing upside down into the V font, can utilize this spring 15 that is pulled to reduce the strength of operation, and can slow down the impact strength when launching.

This carrier 3 is to comprise the first carrier 3A on this first frame 2A of a mounting and the second carrier 3B on this second frame 2B of a mounting.The length of the bedside direction of this carrier 3, be to form the length of being longer than this frame 2, this carrier 3 is made of the mattress 14 on carrying frame-saw 4 and this carrying frame-saw 4 of mounting again, and this carrying frame-saw 4 is made up of framework 4a, net material 4b and reinforcement material 4c, this framework 4a for example is combined into rectangular-shaped with metal pipe material etc., this net material 4b is the wire netting that is disposed at the space that this framework 4a surrounded, and this reinforcement material 4c extends to this direction in length and breadth of 1.

This first carrier 3A comprises fascinate a 3A1 of portion and a non-fixed part 3A2 who fascinates, this 3A1 of portion that fascinates is the end S1 that is disposed at that can incline arbitrarily, also i.e. these headpiece 13 sides, and this fascinate 3A1 of portion and this fixed part 3A2 utilize connecting piece 6 such as latch to link, and can rotate arbitrarily to form; And this fixed part 3A2 utilizes bolt etc. to be fixed in the other end S2 of this first frame 2A.In addition, this second carrier 3B utilizes the method identical with this second frame 2B to fix.This 3A1 of portion that fascinates is not fixed in this frame 2, but be in level with the approximately parallel formation level of this frame 2, and this 3A1 of portion that fascinates is inclined to more between the heeling condition of high position, utilizing this drive unit 21 to form can rise arbitrarily or descend mobile than this headpiece 13 from this level.

Please refer to shown in Figure 4ly, this drive unit 21 is made of an arm 22 and a telescopic actuator 26, and this arm 22 is to be installed in this 3A1 of portion below of fascinating, and an end of this actuator 26 is to be linked to this arm 22, and the other end is to be linked to this frame 2.This fascinates the 3A1 of portion under horizontal state, and this arm 22 is to form one by base portion 22a and two protrusion tab 22b, and this base portion 22a is installed in this 3A1 of portion below of fascinating by bolt etc.; As shown in Figure 5, respectively this protrusion tab 22b is from this base portion 22a downwards and surmount this connecting piece 6 and tilt to extend toward other end S2, and respectively the lower end of this protrusion tab 22b is respectively equipped with hole 22c to the bedside direction runs through.

This actuator 26 is to comprise a body 26A, a link rod part 26B and a motor 26C.This body 26A is linked to this frame 2, and this link rod part 26B can be flexible arbitrarily from this body 26A, and this motor 26C can be flexible arbitrarily from this body 26A for this link rod part 26B; Wherein, this body 26A is made up of a cylindrical portion 26A1 and a 26A2 of hinge portion, this cylindrical portion 26A1 accommodates this link rod part 26B, the 26A2 of this hinge portion is provided in a side of the end S1 of this cylindrical portion 26A1, and near the trunnion axis of the bedside direction on the reinforcement material 5b that is articulated in this first frame 2A that can rotate arbitrarily; Again, this link rod part 26B is that the rotating that utilizes this motor 26C can be from any stretching motion of this body 26A to form, and in the present embodiment, this actuator 26 is preferably and can adopts electrodynamic type cylinder etc.

This arm 22 is that 31 of slip joint utilizing coupling position to slide arbitrarily link mutually with this actuator 26, in the present embodiment, this slip joint 31 is to comprise a slotted hole Ha and a latch 25, this slotted hole Ha is located at the link rod part 26B of this actuator 26,25 of this latches are installed on this arm 22, and this slotted hole of the insertion that can slide arbitrarily Ha links the coupling position of this arm 22 and this actuator 26 as for this slip joint 31, is to be representative with the center of this latch 25 of view from the side.

Please refer to shown in Figure 5, this slotted hole Ha be to the bedside direction run through this link rod part 26B, and be that longitudinally along this link rod part 26B extends, yet this slotted hole Ha is not defined as through hole, can be formed with the ditch shape thing at the end yet; In the present embodiment, two outsides of the bedside direction of this slotted hole Ha dispose two protrusion tab 22b, and utilize this latch 25 to insert this hole 22c and this slotted hole Ha, that is this latch 25 inserts from the side of this hole 22c, extend through the hole 22c of this slotted hole Ha to opposite side, and the external diameter of this latch 25 is the vertical height Lw that are smaller than the longitudinally of this slotted hole Ha, the outer peripheral face of the other end of this latch 25 is provided with a 25a of ditch portion, and utilize the stop ring 29 of pad 28 and spring leaf or nut etc. to be fixed, by this, this slip joint 31 can link this arm 22 and this actuator 26, to form rotation antithesis and sliding pair.

Please refer to shown in Figure 6ly, this figure illustrates bed 1 the effect of present embodiment.Fig. 6 a is the side view that this 3A1 of the portion that fascinates of 1 forms level, the user utilizes operational example such as remote controller (graphic omission) etc., the motor 26C of this actuator 26 is just formed to be changeed, shown in Fig. 6 b, and then this link rod part 26B is dwindled, by this, this latch 25 is the end of the other end S2 of this slotted hole of butt Ha on one side, be pulled to an end S1 on one side, and this arm 22 and this 3A1 of portion that fascinates are to be the center with this connecting piece 6 in Fig. 5, rotate with the inverse clock direction of rotation, this 3A1 of portion that fascinates just can rise from level toward heeling condition and move; Again, please refer to shown in Fig. 6 c, 26B shortens into the most in short-term when this link rod part, this 3A1 of portion that fascinates forms maximum heeling condition (following this state is called " the maximum inclination state of drive unit "), though be not particularly limited, the allowable angle of inclination of the 3A1 of portion is preferably more than 50 ° but this fascinates, and the best is 60 °～80 ° (present embodiment is 70 °); And this fascinates the 3A1 of portion under heeling condition, and this weight of fascinating the 3A1 of portion is that the end face by the other end S2 of this slotted hole Ha is supported.

The user utilizes remote controller (graphic omission) etc., makes the motor 26C of this actuator 26 form reverse, then can make this link rod part 26B elongation; Therefore, this latch 25 will be by the deadweight of this 3A1 of portion that fascinates, the end of the other end S2 of one side this slotted hole of butt Ha, move toward other end S2 with this link rod part 26B on one side, by this, this arm 22 and this 3A1 of portion that fascinates is to be the center with connecting piece 6, and rotates with the clockwise direction of rotation, makes this 3A1 of portion that fascinates form level and (please refer to Fig. 6 a).Even in the moving process that descends, this latch 25 is normally by the deadweight of this 3A1 of portion that fascinates, and the end of the other end S2 of butt slotted hole Ha is supported to form.

Please refer to shown in Fig. 7 a and Fig. 7 b, when this 3A1 of portion that fascinates descends, and when existing a certain barrier T on this frame 2, this 3A1 of portion that fascinates contact with this barrier T, and affords and hinder this mobile resistance K of the 3A1 of portion decline that fascinates; In the present embodiment, this 3A1 of portion that fascinates descends when mobile, owing to afford so resistance K, shown in Fig. 7 c, this slip joint 31 will be towards the direction slip that stops this 3A1 of portion that fascinates to descend mobile, i.e. this latch 25 of this arm 22 and the coupling position of this actuator 26, slide along this slotted hole Ha toward an end S1, therefore, in fact this arm 22 does not bear the driving force from this link rod part 26B, that is, owing in fact have only the deadweight of this 3A1 of portion that fascinates to this barrier T generation effect, so between the upper limb of this fascinate 3A1 of portion and this headpiece 13, can prevent that the powerful driving force of this link rod part 26B from compressing this barrier T.Slight strength by this, can prevent the breakage of this barrier T or this bed 1 etc., even can improve this security of 1, and be sandwiched in this barrier T between the 3A1 of portion and this headpiece 13 of fascinating, as long as can be taken out.

Please refer to shown in Fig. 8 a, but this slip joint 31 is to have a dynamic stroke Ln (please refer to Fig. 9), should but this 3A1's dynamic stroke Ln of portion that fascinates manually be risen from level toward heeling condition, and can make this 3A1 of portion that fascinates manually rise to the higher position of upper limb of this headpiece 13 from level, be that the user needn't use this actuator 26, only utilize finger just the 3A1 of the portion that fascinates of level up can be carried, at this moment, because this 3A1 of portion that fascinates is formed centrally the inverse clock direction of rotation to rotate in this connecting piece 6 being, so this latch 25 can make the slotted hole Ha of this link rod part 26B slide toward an end S1, and this actuator 26 will fascinate with minute angle, to allow so start.

Moreover, utilize the length of fully guaranteeing this slotted hole Ha, but that is fully guarantee the length of the dynamic stroke Ln of this latch 25, and under the state of keeping with the binding of this actuator 26, can make this 3A1 of portion hand hoisting of fascinating to (as shown in Figure 8 than the higher position of the upper limb of this headpiece 13, the height h2 of the ora terminalis e of this fascinate 3A1 of a portion below and an end S1 is than the higher position of height h1 of these headpiece 13 upper limbs); But should dynamic stroke Ln be the ratio that can cooperate this arm 22 and the connecting rod size of these actuator 26 grades, and then suitably decision can realize the manually length of rising, in the present embodiment, but should be set at about 75mm by dynamic stroke Ln, by this, this 3A1 of portion that fascinates can manually rise to about 60 ° angle from level, with about 86% of the angle of inclination of the maximum inclination state that forms driving means, again, in this bed 1 of present embodiment, this 3A1 of portion that fascinates is that formation can be under the maximum inclination state of driving means, and about 20 ° formation further manually rises.

Utilize under the state that manual maximum mentions at this 3A1 of portion that fascinates, beeline W between the ora terminalis of this 3A1 of portion that fascinates and the upper limb of this headpiece 13, be preferably to more than the 20mm, by this, when decline is mobile, even the link rod part 26B of this actuator 26 is stretched to maximum, also can prevents to be clipped in this barrier T between the 3A1 of portion and this headpiece 13 of fascinating by the compression of brute force, and can easily this barrier T be taken out.

Be not provided with under the situation of this headpiece 13 on 1 at this, this fascinates and also may clip to barrier between the 3A1 of portion and this frame 2; Therefore, this situation is preferably in this slip joint 31 but another dynamic stroke Ln is set, but be somebody's turn to do the 3A1 of the portion that fascinates that dynamic stroke Ln can make level, manually rise to drive unit maximum inclination state the angle of inclination at least half, be preferably more than 60%, the best is to be the angle more than 80%, especially, but also can set a dynamic stroke Ln, make this 3A1 of portion that fascinates manually rise to the maximum inclination state, but utilize this slip joint 31 to possess the dynamic stroke of lengthening like this, can provide to be clipped in this barrier between the 3A1 of portion and this frame 2 of fascinating, break away from voluntarily or take out easilier by other people.

Please refer to shown in Figure 9ly, this figure discloses the slip joint 31 of another embodiment of the utility model.This slip joint 31 is to comprise a slotted hole Hb and a latch 25, this slotted hole Hb is located at this arm 22, and this latch 25 is to be installed in this link rod part 26B, and this slotted hole of the insertion that can slide arbitrarily Hb, compare the position opposite of this slotted hole Hb and this latch 25 with previous embodiment.This slotted hole Hb runs through protrusion tab 22b in the bedside direction, and extends to the longitudinally of this protrusion tab 22b; And on this link rod part 26B, for example establish a slit portion (graphic omission) in the end of other end S2, make this arm 22 insert this slit portion, and link with this latch 25; Establish one to the outstanding latch 25 of bedside direction in the two sides of this link rod part 26B, and also can dispose two protrusion tab 22b in the both sides of this link rod part 26B again.

Please refer to shown in Figure 10 a and Figure 10 b, the slip joint 31 of this embodiment has the effect identical with previous embodiment; Promptly, when in this 3A1 of portion decline of fascinating is moved, producing resistance K, the link rod part 26B elongation of this actuation part 26, utilize fascinating of this actuator 26, with base portion 22a slip to the lower side from the slotted hole Hb of this latch 25, in fact this arm 22 does not bear the strength of this link rod part 26B, so because the barrier T deadweight of only bearing this 3A1 of portion that fascinates, thereby can be easily fascinate from this headpiece 13 and this and take out between 3A1 of portion.

Please refer to shown in Figure 11ly, this figure discloses the slip joint 31 of an embodiment more of the present utility model.This slip joint 31 is to comprise one first protuberance 33a, the second protuberance 33b and an axial region 35, this first protuberance 33a forms ring-type at the other end S2 of this link rod part 26B to give prominence to, it is outstanding that this second protuberance 33b is that the S1 at one end that has a spacing with this first protuberance 33a forms ring-type, and this axial region 35 is being configured on this link rod part 26B between this first protuberance 33a and the second protuberance 33b of can sliding arbitrarily.This first protuberance 33a is the end that is installed in the other end S2 of this link rod part 26B by welding or bolt etc.; On the other hand, this second protuberance 33b is that to utilize insertions such as knock pin 34 to be located at the hole of outer peripheral face of this link rod part 26B fixing to form, again, utilization is located at several holes of this link rod part 26B outer peripheral face, make this second protuberance 33b be fixed in position arbitrarily, but and then can be easy to adjust the dynamic stroke Ln of this slip joint 31.

This axial region 35 is to comprise a matrix 35a and two axial region 35b.This matrix 35a has a sliding surface 35c who slides along this link rod part 26B, and this two axial region 35b is laterally projecting from the two sides of the bedside direction of this matrix 35a; And insertion two this axial region 35b that the hole 22c that is located at the end of two protrusion tab 22b can rotate arbitrarily, by this, near the trunnion axis that is attached at this axial region 35 and bedside direction that this two protrusion tab 22b can rotate arbitrarily, and along this link rod part 26B slip (rotation antithesis and sliding pair).Utilize the slip joint 31 of present embodiment, when in this 3A1 of portion decline of fascinating is moved, producing resistance, also can obtain the effect identical,, also linear bushing isoline motion can be set on this sliding surface 35c in order to cooperate its desirability with previous embodiment.

Please refer to shown in Figure 12 a, this figure discloses the slip joint 31 of an embodiment more of the present utility model.In the present embodiment, this frame 2 is linked by this slip joint 32 with this actuator 26, and by this, this slip joint 32 can be utilized at all places; This slip joint 32 is to comprise a slotted hole Hc, latch 38 and a carriage 40, this slotted hole Hc is located at this frame 2, this latch 38 is this slotted hole of the insertion Hc that are installed in body 26A and can slide arbitrarily, and this carriage 40 is for 38 installings of this latch, and is installed in this frame 2 with the 26A2 of hinge portion of this actuator 26 can rotate arbitrarily.

This slotted hole Hc is provided in a side of on the reinforcement material 5b of this first frame 2A, and extends to this longitudinally of 1, and this carriage 40 is to form a pair of both sides that are provided in this reinforcement material 5b; Again and since this carriage 40 on and be provided with two latches 38, therefore, 40 permissions of this carriage are moved along the slip of Hc; The 26A2 of hinge portion that links the actuator 26 that can rotate arbitrarily on this carriage 40, so, when the link rod part 26B of this actuator 26 shrinks, and this 3A1 of portion that fascinates is risen move and descend when mobile, the latch 38 that is located at the other end is end faces of the other end S2 of this slotted hole of butt Hc; On the other hand, when producing resistance K in this 3A1 of portion decline of fascinating is moved, shown in Figure 12 b, this carriage 40 slides to an end S1, this decline of fascinating the 3A1 of portion is moved stop.But the dynamic stroke of this slip joint 32 is to utilize the length that changes this slotted hole Hc, carries out various settings with the performance effect identical with previous embodiment.

Please refer to shown in Figure 13 a and Figure 13 b, this bed 1 is to comprise leader 17.This handle 17 is the one or both sides that are positioned at the bedside direction of this first frame 2A, utilize bending such as tubing to give prominence to more upward to form than this frame 2, by this, this handle 17 is owing to can 1 provide open sensation to this, thereby needn't use side plate etc. to cover the side, can keep the space i that is surrounded with tubing etc.

Yet, shown in the dotted line of Figure 13 a, when existing the barrier T that extends by this space i and across the bedside direction, the 3A1 of the portion that fascinates of heeling condition is descended when mobile, then this barrier T has in this handle 17 (the particularly bend 17a of hair clip shape) and this doubt of fascinating and being cut off between the 3A1 of portion, therefore, form on this bed 1 of handle 17 of open shape having the side, shown in Figure 13 b, this fascinates the 3A1 of portion when level manually rises to heeling condition, this fascinates and forms between the 3A1 of portion below and this handle 17 more than the maintenance 10mm, more than the preferable 15mm, the space of the distance L m (from the below vertical survey of this 3A1 of portion that fascinates) that best 20mm is above, by this, the barrier T that can prevent to be clipped between the inner of this fascinate 3A1 of portion and this bend 17a is compressed by brute force, and can easily this barrier T be removed.

Claims (16)

1, a kind of bed is characterized in that comprising:

A bed frame, an end are installed with a vertically extending headpiece; And

A carrier, mounting is on this frame;

This carrier comprises the portion that fascinates of the movable layback usefulness of backrest in this headpiece side, this portion that fascinates is formed on level by a drive unit, and incline to than this headpiece high position more from this level, move to form to rise or descend between the heeling condition that tilts;

Wherein this drive unit is made of an arm and a telescopic actuator, and this arm is installed in below this portion that fascinates, and an end of this actuator is linked to this arm, and the other end of this actuator is linked to this frame;

Wherein this arm and this actuator are linked by a slip joint, and this slip joint is utilized to hinder this resistance that descends and move when decline is mobile, slides and make past this subordinate that fascinates of prevention of coupling position fall mobile direction;

Wherein but this slip joint has a dynamic stroke, but this portion of fascinating is manually risen to than the upper limb of this headpiece high position more.

2, bed as claimed in claim 1 is characterized in that: but this slip joint has a dynamic stroke, but should dynamic stroke make angle of inclination that the portion of fascinating of level manually rises to this drive unit maximum inclination state angle of half at least.

3, bed as claimed in claim 1 or 2, it is characterized in that: this actuator comprises a body, a link rod part and a motor, this body can rotate arbitrarily near trunnion axis is attached at this frame, this link rod part can be flexible arbitrarily from this body, this motor can be flexible arbitrarily from this body for this link rod part, this slip joint comprises a slotted hole and a latch, and this slotted hole is located at this link rod part, this slotted hole of insertion that this latch is installed in this arm and can slides arbitrarily.

4, bed as claimed in claim 1 or 2, it is characterized in that: this actuator comprises a body, a link rod part and a motor, this body can rotate arbitrarily near trunnion axis is attached at this frame, this link rod part can be flexible arbitrarily from this body, this motor can be flexible arbitrarily from this body for this link rod part, and this slip joint comprises a slotted hole and a latch, and this slotted hole is located at this arm, this latch is installed in this link rod part, and this slotted hole of the insertion that can slide arbitrarily.

5, bed as claimed in claim 1 or 2 is characterized in that: this frame is made of two bed frame bodies that can fold handstand V font arbitrarily.

6, bed as claimed in claim 3 is characterized in that: this frame is made of two bed frame bodies that can fold handstand V font arbitrarily.

7, bed as claimed in claim 4 is characterized in that: this frame is made of two bed frame bodies that can fold handstand V font arbitrarily.

8, as claim 1 or 2 described beds, it is characterized in that: it is 60 °～80 ° that this portion of fascinating utilizes the angle of inclination of the maximum inclination state of this drive unit, and the height that this headpiece is started at from this frame is 250mm～450mm.

9, as claim 3 a described bed, it is characterized in that: it is 60 °～80 ° that this portion of fascinating utilizes the angle of inclination of the maximum inclination state of this drive unit, and the height that this headpiece is started at from this frame is 250mm～450mm.

10, as claim 4 a described bed, it is characterized in that: it is 60 °～80 ° that this portion of fascinating utilizes the angle of inclination of the maximum inclination state of this drive unit, and the height that this headpiece is started at from this frame is 250mm～450mm.

11, as claim 5 a described bed, it is characterized in that: it is 60 °～80 ° that this portion of fascinating utilizes the angle of inclination of the maximum inclination state of this drive unit, and the height that this headpiece is started at from this frame is 250mm～450mm.

12, a kind of bed is characterized in that comprising:

A bed frame; And

A carrier, mounting is on this frame;

Wherein this carrier comprises the portion that fascinates of the movable layback usefulness of backrest, and this portion that fascinates is formed on level by a drive unit, and moves from rising or descend between this level being inclined the heeling condition that forms;

Wherein this drive unit is made of an arm and a telescopic actuator, and this arm is installed in below this portion that fascinates, and an end of this actuator is linked to this arm, and the other end of this actuator is linked to this frame;

Wherein this arm and this actuator are linked by a slip joint, and this slip joint is utilized to hinder this resistance that descends and move when decline is mobile, slides and make past this subordinate that fascinates of prevention of coupling position fall mobile direction;

Wherein but this slip joint has a dynamic stroke, but should dynamic stroke makes angle of inclination that the portion of fascinating of level manually rises to this drive unit maximum inclination state angle of half at least.

13, as claim 12 a described bed, it is characterized in that: this portion of fascinating can manually rise to more than 80% of this drive unit maximum inclination state.

14, as claim 12 or 13 described beds, it is characterized in that: this actuator comprises a body, a link rod part and a motor, this body can rotate arbitrarily near trunnion axis is linked to this frame, this link rod part can be flexible arbitrarily from this body, this motor can be flexible arbitrarily from this body for this link rod part, this slip joint comprises a slotted hole and a latch, and this slotted hole is located at this link rod part, this slotted hole of insertion that this latch is installed in this arm and can slides arbitrarily.

15, as claim 12 a described bed, it is characterized in that: it is 60 °～80 ° that this portion of fascinating utilizes the angle of inclination of the maximum inclination state of this drive unit.

16, a kind of bed is characterized in that comprising:

A bed frame; And

A carrier, mounting is on this frame;

Wherein this carrier comprises the portion that fascinates of the movable layback usefulness of backrest, and this portion that fascinates is formed on level by a drive unit, and mobile from rising or descend between this level being inclined the heeling condition that forms;

Wherein this drive unit is made of an arm and a telescopic actuator, and this arm is installed in below this portion that fascinates, and an end of this actuator is linked to this arm, and the other end of this actuator is attached at this frame;

Wherein this frame and this actuator are linked by a slip joint, and this slip joint is utilized to hinder this resistance that descends and move when decline is mobile, slides and make past this subordinate that fascinates of prevention of coupling position fall mobile direction;

Wherein but this slip joint has a dynamic stroke, but should dynamic stroke makes angle of inclination that the portion of fascinating of level manually rises to this drive unit maximum inclination state angle of half at least.

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