CN209661017U - Move folding bed in head - Google Patents

Abstract

The utility model discloses a kind of mobile folding beds in head, including external crucible trigger structure and rear bed board mechanism, external crucible trigger structure includes bed board A, bed board B, preceding upper ledge and preceding lower frame, bed board mechanism includes bed board C, bed board D, bed board E, rear lower frame afterwards, bed board A and bed board B is rotatablely connected, and bed board B is fixedly connected with preceding upper ledge, and bed board C, bed board D and bed board E are successively rotatablely connected, bed board C is fixedly connected with rear lower frame, and preceding lower frame is connect with rear lower frame hinge.The mobile folding bed in head disclosed by the utility model, the rotation point of head pull rod and preceding lower frame only makes head pull rod and preceding lower frame relatively rotates but the rotation point not relative displacement with the lifting of bed board A, the rotation point of head pull rod and bed board lifting fixinig plate not only makes head pull rod and bed board go up and down rotation point relative displacement with the lifting of bed board A while fixinig plate relatively rotates, so that bed board B and preceding upper ledge are mobile to cephalad direction simultaneously.

Description

Move folding bed in head

Technical field

The utility model belongs to folding bed technical field, and in particular to a kind of mobile folding bed in head.

Background technique

Currently, commercially available common electro regulating bed mainly includes electric adjusting mechanism and bed body frame, pass through motorized adjustment Mechanism, which collapses, folds bed body frame.

For example, subject name is the utility model patent of structure of folding bed frame, skill application No. is 200920181240.0 Art scheme includes two unit frame bodies, two foot-supporting frames and a midfoot support foot, and two foot-supporting frames are be articulated in two unit bed bodies outer Portion, midfoot support foot are located between two unit bedsteads, and the inner end of two vertical poles of two unit frame bodies forms the pivot with pivoted hole Ear, the both ends for being pivotally connected mast are in the pivoted hole for be connected to each other the pivot ear of closing across two unit frame bodies to connect two unit frame bodies Bedstead is formed together.

Notice that said two units frame body passes through the pivot ear of the inner end of vertical pole and mutual across the pivot joint mast of the pivot ear Rotation connection is realized in cooperation, but pivot ear itself cannot generate relative displacement and necessary as the rotating fulcrum being rotatablely connected It is maintained at fixed position, it is more by being limited because expansion/folding mode of this element frame body is relatively limited, it is single to be unfavorable for two First frame body folds.

Utility model content

The utility model is directed to the situation of the prior art, overcomes drawbacks described above, provides a kind of mobile folding bed in head.

The utility model uses following technical scheme, and the mobile folding bed in the head includes external crucible trigger structure and rear bed board machine Structure, the external crucible trigger structure include bed board A, bed board B, preceding upper ledge and preceding lower frame, and the rear bed board mechanism includes bed board C, bed board D, bed board E, rear lower frame, the bed board A and bed board B are rotatablely connected, and the bed board B is fixedly connected with preceding upper ledge, the bed board C, Bed board D and bed board E are successively rotatablely connected, and the bed board C is fixedly connected with rear lower frame, and preceding lower frame is connect with rear lower frame hinge, In:

The external crucible trigger structure is additionally provided with frame pulley, and the preceding lower frame has flange channel steel, and the frame pulley is placed in Flange channel steel is to form sliding contact；The external crucible trigger structure is additionally provided with front motor bracket and fore-stock pulley, the front motor Bracket and preceding upper ledge are rotatablely connected, the fore-stock pulley and bed board A sliding contact；The external crucible trigger structure is additionally provided with head electricity Machine, the head motor include the first drive shaft, and the head motor and preceding upper ledge are rotatablely connected, and first drive shaft is with before Electric machine support transmission connection；The external crucible trigger structure is additionally provided with head pull rod, and the bed board A includes bed board lifting fixinig plate, institute The one end for stating head pull rod has rotation point, and the head pull rod is rotatablely connected by the rotation point and preceding lower frame for being located at the end； The other end of the head pull rod has rotation point, and the head pull rod is fixed by the rotation point and bed board lifting for being located at the end Piece rotation connection；

The rotation point of the head pull rod and preceding lower frame only makes head pull rod and preceding lower frame relatively rotates but the rotation point The rotation point of the not relative displacement with the lifting of bed board A, the head pull rod and bed board lifting fixinig plate not only draws head Rotation point relative displacement with the lifting of bed board A while bar and bed board lifting fixinig plate relatively rotate；Bed board after described Mechanism is additionally provided with rear electric machine support and after-poppet pulley, the after-poppet pulley and bed board E sliding contact；Bed board mechanism after described It is additionally provided with tail portion motor, the tail portion motor includes the second drive shaft, and the tail portion motor and rear lower frame are rotatablely connected, and described the Two drive shafts and rear electric machine support are sequentially connected；Bed board mechanism is additionally provided with tail portion pull rod after described, and the bed board E includes that tail portion is drawn Joint element for bar, one end of the tail portion pull rod have a rotation point, the tail portion pull rod by be located at the end rotation point and it is rear under Frame rotation connection；The other end of the tail portion pull rod have rotation point, the tail portion pull rod by be located at the end rotation point with The rotation connection of tail portion pull rod connector.

According to the above technical scheme, there is gap between the bed board B and bed board C.

According to the above technical scheme, the bed board C is fixedly connected with rear lower frame.

According to the above technical scheme, soft connector is equipped between the bed board B and bed board C.

According to the above technical scheme, which is made of skin compatible material.

According to the above technical scheme, above-mentioned skin compatible material is embodied as pure cotton material.

According to the above technical scheme, single edge lengths≤274cm when folding bed is in folded state is moved on the head.

According to the above technical scheme, longest edge lengths+broadside when the mobile folding bed in the head is in folded state is long Spend 2≤419cm of * 2+ thickness *.

According to the above technical scheme, the Zheng of the mobile folding bed in the head is for Zhi Liang≤68Kg.

The mobile folding bed in head disclosed by the utility model, the beneficial effect is that, the rotation of head pull rod and preceding lower frame Point relatively rotates head pull rod and preceding lower frame but the rotation point not relative displacement, head pull rod with the lifting of bed board A Head pull rod and bed board is not only made to go up and down rotation while fixinig plate relatively rotates with the rotation point of bed board lifting fixinig plate Point relative displacement with the lifting of bed board A is moved to cephalad direction (front direction) simultaneously to drag bed board B and preceding upper ledge It is dynamic；Bed board C is fixedly connected with rear lower frame, since preceding lower frame and rear lower frame are used as fixed structure itself not generate relative displacement, Therefore the mobile folding bed in this head is only towards cephalad direction (front direction) unilateral movement.

Detailed description of the invention

Fig. 1 is the present invention looks up structural representation in folded state of the preferred embodiment in the utility model.

Fig. 2 is the side structure schematic view in folded state of the preferred embodiment in the utility model.

Fig. 3 is the present invention looks up structural representation in unfolded state of the preferred embodiment in the utility model.

Fig. 4 is the side structure schematic view in unfolded state of the preferred embodiment in the utility model.

Fig. 5 is the schematic perspective view in unfolded state of the preferred embodiment in the utility model.

Appended drawing reference includes: 100- external crucible trigger structure；101- bed board A；102- bed board B；Upper ledge before 103-；104- is front lower Frame；105- frame pulley；106- front motor bracket；107- fore-stock pulley；The head 108- motor；The first drive shaft of 109-； The head 110- pull rod；111- bed board goes up and down fixinig plate；Bed board mechanism after 200-；201- bed board C；202- bed board D；203- bed board E； Lower frame after 204-；The tail portion 205- motor；The second drive shaft of 206-；Electric machine support after 207-；208- after-poppet pulley；The tail portion 209- Pull rod；The tail portion 210- pull rod connector.

Specific embodiment

The utility model discloses a kind of mobile folding beds in head, below with reference to preferred embodiment, to the utility model Specific embodiment is further described.

It is shown referring to Figure 1 of the drawings to Fig. 5, Fig. 1 and looks up knot when the mobile folding bed in the head is in folded state Structure is in side view structure when folded state Fig. 2 shows the mobile folding bed in the head, and it is mobile that Fig. 3 shows the head Structure is looked up when folding bed is in unfolded state, Fig. 4 shows side when the mobile folding bed in the head is in unfolded state Depending on structure, Fig. 5 shows stereochemical structure when the mobile folding bed in the head is in unfolded state.

Preferred embodiment.

Preferably, the mobile folding bed in the head includes external crucible trigger structure 100 and rear bed board mechanism 200, and the head is moved Dynamic folding bed has folded state (referring to Figure 1 of the drawings to Fig. 2) and unfolded state (referring to Fig. 3 to Fig. 5 of attached drawing), the head The transition between folded state and unfolded state of the mobile folding bed in portion switches, the external crucible trigger structure 100 include bed board A 101, Bed board B 102, preceding upper ledge 103 and preceding lower frame 104, the rear bed board mechanism 200 includes bed board C 201, bed board D 202, bed board E 203, rear lower frame 204, in which:

The bed board A 101 and bed board B 102 is rotatablely connected, and the bed board B 102 is fixedly connected with preceding upper ledge 103, institute It states bed board C 201, bed board D 202 and bed board E 203 to be successively rotatablely connected, the bed board C 201 and the fixed company of rear lower frame 204 It connects, preceding lower frame 104 is connect with rear 204 hinge of lower frame, so that the mobile folding bed in the head is foldable；

The external crucible trigger structure 100 is additionally provided with frame pulley 105, and the preceding lower frame 104 has flange channel steel, the frame Pulley 105 is placed in flange channel steel to form sliding contact (being slidably matched)；

The external crucible trigger structure 100 is additionally provided with front motor bracket 106 and fore-stock pulley 107, the front motor bracket 106 It is rotatablely connected with preceding upper ledge 103, the fore-stock pulley 107 and 101 sliding contact of bed board A (being slidably matched)；

The external crucible trigger structure 100 is additionally provided with head motor 108, and the head motor 108 includes the first drive shaft 109, The head motor 108 is rotatablely connected with preceding upper ledge 103, and first drive shaft 109 is sequentially connected with front motor bracket 106；

The external crucible trigger structure 100 is additionally provided with head pull rod 110, and the bed board A 101 includes that bed board goes up and down fixinig plate 111, one end of the head pull rod 110 has a rotation point, the head pull rod 110 by be located at the rotation point at the end with it is front lower Frame 104 is rotatablely connected；The other end of the head pull rod 110 has rotation point, and the head pull rod 110 is by being located at the end Rotation point is rotatablely connected with bed board lifting fixinig plate 111；

Bed board mechanism 200 is additionally provided with rear electric machine support 207 and after-poppet pulley 208, the after-poppet pulley 208 after described With 203 sliding contact of bed board E (being slidably matched)；

Bed board mechanism 200 is additionally provided with tail portion motor 205 after described, and the tail portion motor 205 includes the second drive shaft 206, The tail portion motor 205 is rotatablely connected with rear lower frame 204, and second drive shaft 206 is sequentially connected with rear electric machine support 207；

Bed board mechanism 200 is additionally provided with tail portion pull rod 209 after described, and the bed board E 203 includes tail portion pull rod connector 210, one end of the tail portion pull rod 209 has a rotation point, the tail portion pull rod 209 by be located at the end rotation point and it is rear under Frame 204 is rotatablely connected；The other end of the tail portion pull rod 209 has rotation point, and the tail portion pull rod 209 is by being located at the end Rotation point is rotatablely connected with tail portion pull rod connector 210.

Further, have between the bed board B 102 and bed board C 201 gap (bed board B 102 and bed board C 201 it Between without rigid connection relationship).

Further, the bed board C 201 is fixedly connected with rear lower frame 204.Since preceding lower frame 104 and rear lower frame 204 are equal Relative displacement is not generated as fixed structure itself, therefore the mobile folding bed in this head is only towards cephalad direction (front direction) Unilateral movement.

Further, soft connector (not shown) is equipped between the bed board B 102 and bed board C 201, this is soft Property connector is made of flexible material (for example, using pure cotton as the skin compatible material of representative).

Further, single edge lengths of the mobile folding bed in head after folding (when being in folded state)≤ 274cm。

Further, longest edge lengths of the mobile folding bed in head after folding (when being in folded state)+ 2≤419cm of width edge length * 2+ thickness *.

Further, the Zheng of the mobile folding bed in the head is for Zhi Liang≤68Kg.

First embodiment.

Preferably, the mobile folding bed in the head includes external crucible trigger structure 100 and rear bed board mechanism 200, and the head is moved Dynamic folding bed has folded state (referring to Figure 1 of the drawings to Fig. 2) and unfolded state (referring to Fig. 3 to Fig. 5 of attached drawing), the head The transition between folded state and unfolded state of the mobile folding bed in portion switches, the external crucible trigger structure 100 include bed board A 101, Bed board B 102, preceding upper ledge 103 and preceding lower frame 104, the rear bed board mechanism 200 includes bed board C 201, bed board D 202, bed board E 203, rear lower frame 204, in which:

The bed board A 101 and bed board B 102 is rotatablely connected, and the bed board B 102 is fixedly connected with preceding upper ledge 103, institute It states bed board C 201, bed board D 202 and bed board E 203 to be successively rotatablely connected, the bed board C 201 and the fixed company of rear lower frame 204 It connects, preceding lower frame 104 is connect with rear 204 hinge of lower frame, so that the mobile folding bed in the head is foldable；

The external crucible trigger structure 100 is additionally provided with frame pulley 105, and the preceding lower frame 104 has flange channel steel, the frame Pulley 105 is placed in flange channel steel to form sliding contact (being slidably matched)；

The external crucible trigger structure 100 is additionally provided with front motor bracket 106 and fore-stock pulley 107, the front motor bracket 106 It is rotatablely connected with preceding upper ledge 103, the fore-stock pulley 107 and 101 sliding contact of bed board A (being slidably matched)；

The external crucible trigger structure 100 is additionally provided with head motor 108, and the head motor 108 includes the first drive shaft 109, The head motor 108 is rotatablely connected with preceding upper ledge 103, and first drive shaft 109 is sequentially connected with front motor bracket 106；

The external crucible trigger structure 100 is additionally provided with head pull rod 110, and the bed board A 101 includes that bed board goes up and down fixinig plate 111, one end of the head pull rod 110 has a rotation point, the head pull rod 110 by be located at the rotation point at the end with it is front lower Frame 104 is rotatablely connected；The other end of the head pull rod 110 has rotation point, and the head pull rod 110 is by being located at the end Rotation point is rotatablely connected with bed board lifting fixinig plate 111；

The rotation point of the head pull rod 110 and preceding lower frame 104 only makes head pull rod 110 and opposite turn of preceding lower frame 104 The dynamic but rotation point not relative displacement with the lifting of bed board A 101, the head pull rod 110 go up and down fixinig plate 111 with bed board Rotation point not only make head pull rod 110 and bed board go up and down while fixinig plate 111 relatively rotates the rotation point with bed board A 101 lifting and relative displacement, so that it is mobile to cephalad direction (front direction) simultaneously to drag bed board B102 and preceding upper ledge 103；

Bed board mechanism 200 is additionally provided with rear electric machine support 207 and after-poppet pulley 208, the after-poppet pulley 208 after described With 203 sliding contact of bed board E (being slidably matched)；

Bed board mechanism 200 is additionally provided with tail portion motor 205 after described, and the tail portion motor 205 includes the second drive shaft 206, The tail portion motor 205 is rotatablely connected with rear lower frame 204, and second drive shaft 206 is sequentially connected with rear electric machine support 207；

Bed board mechanism 200 is additionally provided with tail portion pull rod 209 after described, and the bed board E 203 includes tail portion pull rod connector 210, one end of the tail portion pull rod 209 has a rotation point, the tail portion pull rod 209 by be located at the end rotation point and it is rear under Frame 204 is rotatablely connected；The other end of the tail portion pull rod 209 has rotation point, and the tail portion pull rod 209 is by being located at the end Rotation point is rotatablely connected with tail portion pull rod connector 210.

Further, have between the bed board B 102 and bed board C 201 gap (bed board B 102 and bed board C 201 it Between without rigid connection relationship).

Further, the bed board C 201 is fixedly connected with rear lower frame 204.Since preceding lower frame 104 and rear lower frame 204 are equal Relative displacement is not generated as fixed structure itself, therefore the mobile folding bed in this head is only towards cephalad direction (front direction) Unilateral movement.

Further, soft connector (not shown) is equipped between the bed board B 102 and bed board C 201, this is soft Property connector is made of flexible material (for example, using pure cotton as the skin compatible material of representative).

Further, single edge lengths of the mobile folding bed in head after folding (when being in folded state)≤ 274cm。

Further, longest edge lengths of the mobile folding bed in head after folding (when being in folded state)+ 2≤419cm of width edge length * 2+ thickness *.

Further, the Zheng of the mobile folding bed in the head is for Zhi Liang≤68Kg.

According to above preferred embodiment and first embodiment, the mobile folding bed in head disclosed in the utility model patent, Technical essential is described below.

Specifically, the mobile folding bed in the head includes external crucible trigger structure 100: bed board A 101 and bed board B102 rotation connects It connects, bed board B 102 is fixedly connected with preceding upper ledge 103；The mobile folding bed in the head further includes rear bed board mechanism 200: bed board C 201 are successively rotatablely connected with bed board D 202 and bed board E 203, and bed board C 201 is fixedly connected with rear lower frame 204；Preceding lower frame 104 It is connected with rear 204 hinge of lower frame, beddo is foldable；Preceding upper ledge 103 is equipped with frame pulley 105 and is placed in turning over for preceding lower frame 104 Sliding contact is formed in the channel steel of side；Front motor bracket 106 and preceding upper ledge 103 are rotatablely connected and fore-stock pulley 107 and bed board A 101 slidably contact；Head motor 108 and preceding upper ledge 103 are rotatablely connected, and head motor 108 includes the first drive shaft 109, the One drive shaft 109 is rotatablely connected with front motor bracket 106；Tail portion motor 205 and rear lower frame 204 are rotatablely connected, tail portion motor 205 Comprising the second drive shaft 206, the second drive shaft 206 is rotatablely connected with rear electric machine support 207, the rear branch on rear electric machine support 207 Frame pulley 208 is slidably contacted with bed board E 203；The rotation point and preceding lower frame 104 of 110 one end of head pull rod are rotatablely connected, head The rotation point of 110 other end of portion's pull rod is rotatablely connected with the bed board lifting fixinig plate 111 on bed board A 101；Tail portion pull rod 209 1 The rotation point and rear lower frame 204 at end are rotatablely connected, and the rotation point of 209 other end of tail portion pull rod is drawn with the tail portion on bed board E 203 Joint element for bar 210 is rotatablely connected.

Motor 108 end to end, 205 startings drive front and back electric machine support 106,207 to rotate respectively, and the first of head motor 108 Drive shaft 109, which is released forward, can push front motor bracket 106 to rotate, and make 101 turns of bed board A to be in contact with fore-stock pulley 107 Dynamic to rise, the second drive shaft 206 of tail portion motor 205 is released forward electric machine support 207 after can pushing and is rotated, and makes sliding with after-poppet It is that rotation connection can drive bed board D that bed board E 203 and bed board D 202 simultaneously is risen in the rotation of bed board E 203 that wheel 208 is in contact 202 rotations are risen, and the rotation point and rear lower frame 204 of 209 one end of tail portion pull rod are rotatablely connected, and pull rod 209 other end in tail portion turns Dynamic point is rotatablely connected with the tail portion pull rod connector 210 on bed board E 203, and when bed board E 203 rises, tail portion pull rod 209 has Support fixed effect.

Motor 108 end to end, 205 are respectively equipped with certain stroke, make bed board A 101, bed board D 202 and 203 turns of bed board E It is dynamic to rise the angle that can be adjusted to human comfort.

Preceding lower frame 104 and rear lower frame 204 are all fixed mechanisms, when bed board A 101 rotate rise when, head pull rod 110 with The rotation point that preceding lower frame 104 connects only rotates and point does not move, and on the other end of head pull rod 110 and bed board A 101 Bed board lifting fixinig plate 111 connects rotation point and can rise and rotation and point movement with bed board A 101, to drag bed board B 102 is mobile to head simultaneously with preceding upper ledge 103.Because bed board B 102 and bed board C 201 are not provided with any connection, bed board C 201 with Lower frame 204 is fixedly connected afterwards, and rear lower frame 204 is that fixed structure does not move, so only unilateral movement.After each bed board rises, Bed board B 102 and bed board C 201 is used as main supporting point, and the contact of user with main load-bearing bed board are exaggerated after unilateral movement Face, when back bed board (bed board D 202 and bed board E 203) rises, user does not have back and squeezes discomfort.Bed board B 102 have flexible material connection with bed board C 201, and after unilateral movement, bed board B 102 and 201 gap bed board C are increased, soft material Expect it is extensible open, can shelter from bed body frame does not influence to use.

Folding bed is moved after folding in this head, single edge lengths≤274cm, longest edge lengths+width edge length * 2+ thickness * 2 ≤ 419cm, Zheng meet UPS express delivery requirement for Zhi Liang≤68Kg.

For a person skilled in the art, technical solution documented by foregoing embodiments can still be repaired Change or equivalent replacement of some of the technical features, it is within the spirit and principle of the utility model, made any Modification, equivalent replacement, improvement etc., should be included in the protection scope of the utility model.

Claims (9)

1. a kind of mobile folding bed in head, which is characterized in that including external crucible trigger structure and rear bed board mechanism, the external crucible trigger structure Including bed board A, bed board B, preceding upper ledge and preceding lower frame, the rear bed board mechanism includes bed board C, bed board D, bed board E, rear lower frame, institute It states bed board A and bed board B to be rotatablely connected, the bed board B is fixedly connected with preceding upper ledge, and the bed board C, bed board D and bed board E successively turn Dynamic connection, the bed board C are fixedly connected with rear lower frame, and preceding lower frame is connect with rear lower frame hinge, in which:

The external crucible trigger structure is additionally provided with frame pulley, and the preceding lower frame has flange channel steel, and the frame pulley is placed in flange Channel steel is to form sliding contact；The external crucible trigger structure is additionally provided with front motor bracket and fore-stock pulley, the front motor bracket It is rotatablely connected with preceding upper ledge, the fore-stock pulley and bed board A sliding contact；The external crucible trigger structure is additionally provided with head motor, The head motor includes the first drive shaft, and the head motor and preceding upper ledge are rotatablely connected, first drive shaft and preceding electricity Machine support transmission connection；The external crucible trigger structure is additionally provided with head pull rod, and the bed board A includes bed board lifting fixinig plate, described One end of head pull rod has rotation point, and the head pull rod is rotatablely connected by the rotation point and preceding lower frame for being located at the end；Institute The other end for stating head pull rod has rotation point, and the head pull rod goes up and down fixinig plate by the rotation point and bed board for being located at the end Rotation connection；

The rotation point of the head pull rod and preceding lower frame only make head pull rod and preceding lower frame relatively rotate but the rotation point not with The rotation point of the lifting of bed board A and relative displacement, the head pull rod and bed board lifting fixinig plate not only make head pull rod with Bed board goes up and down rotation point relative displacement with the lifting of bed board A while fixinig plate relatively rotates；Bed board mechanism after described It is additionally provided with rear electric machine support and after-poppet pulley, the after-poppet pulley and bed board E sliding contact；Bed board mechanism is also set after described There is tail portion motor, the tail portion motor includes the second drive shaft, and the tail portion motor and rear lower frame are rotatablely connected, and described second drives Moving axis and rear electric machine support are sequentially connected；Bed board mechanism is additionally provided with tail portion pull rod after described, and the bed board E includes that tail portion pull rod connects Fitting, one end of the tail portion pull rod have rotation point, and the tail portion pull rod is turned by the rotation point and rear lower frame for being located at the end Dynamic connection；The other end of the tail portion pull rod have rotation point, the tail portion pull rod by be located at the end rotation point and tail portion The rotation connection of pull rod connector.

2. the mobile folding bed in head according to claim 1, which is characterized in that between having between the bed board B and bed board C Gap.

3. the mobile folding bed in head according to claim 1, which is characterized in that the bed board C is fixedly connected with rear lower frame.

4. the mobile folding bed in head according to claim 1, which is characterized in that be equipped between the bed board B and bed board C soft Property connector.

5. the mobile folding bed in head according to claim 4, which is characterized in that the soft connector is by skin compatible material system At.

6. the mobile folding bed in head according to claim 5, which is characterized in that above-mentioned skin compatible material is embodied as pure cotton Material.

7. the mobile folding bed in head described in any claim in -6 according to claim 1, which is characterized in that the head is moved Dynamic folding bed is in single edge lengths≤274cm when folded state.

8. the mobile folding bed in head described in any claim in -6 according to claim 1, which is characterized in that the head is moved Dynamic folding bed is in longest edge lengths+2≤419cm of width edge length * 2+ thickness * when folded state.

9. the mobile folding bed in head described in any claim in -6 according to claim 1, which is characterized in that the head is moved The Zheng of dynamic folding bed is for Zhi Liang≤68Kg.