CN201899628U

CN201899628U - Medical bed

Info

Publication number: CN201899628U
Application number: CN2010206712702U
Authority: CN
Inventors: 徐道胜
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-12-12
Filing date: 2010-12-12
Publication date: 2011-07-20
Anticipated expiration: 2020-12-12

Abstract

The utility model relates to a medical bed. The medical bed comprises bed legs and a bed body, wherein, the bed body comprises a bed body frame, a backrest and a bed tail; a lifting device capable of turning over the backrest is arranged below the backrest; sliding roofs are mounted on the two longitudinal sides of the bed body frame; each sliding roof comprises a movable plate, a support plate, a positioning plate and an upright column; a carriage provided with a transverse through groove is fixedly mounted on the two longitudinal sides of the bed body frame; the backrest comprises a backrest frame, the carriage, a secondary sliding layer and an outer sliding layer which are arranged on the bed body frame in a stacked manner in sequence; a support shaft is longitudinally arranged below the carriage; rolling bearings are respectively mounted at the two ends of the supporting shaft; a rotating shaft is arranged at one end of the backrest frame; the rotating shaft is corresponding to and forms position limit with a transverse through groove on the positioning plate; a fixing frame is arranged below the bed body frame; a top column is arranged on the fixing frame; one end of the top column is hinged on the fixing frame; and the other end of the top column is fixedly connected with the bottom surface of the end of a bed head frame, where the rotating shaft is positioned. The medical bed achieves the effects of comfortableness, convenience and practicality.

Description

Hospital bed

Technical field

The present invention relates to a kind of hospital etc. has the hospital bed of the applications of nursing demand.

Background technology

As hospital bed, must satisfy requirements such as comfortable, convenient nursing, practicality, in actual use, medical hospital bed have the field of nursing demand to use comparatively extensive in hospital, beauty industry etc., according to patient's demand, medical hospital bed to satisfying patient comfort, alleviate nursing staff's labor intensity, convenient clinical health check-up, treatment and shortening comprehensive having relatively high expectations such as treatment time.

Of the prior art medical hospital bed, general all is to have the backrest that can promote, promptly corresponding part bed body with patient's back, yet in actual use, promote the head of a bed and make patient keep sitting to have a meal or when reading a book when the nursing staff shakes handwheel, in this lifting process, the friction that exists between back and the backrest when patient's back is subjected to the extruding of backrest and backrest turnover, make patient's back clothes fold, even force the health displacement to adapt to the backrest turnover, because the existence of this defective, injured and need recuperation and old people for paralysis personnel or vertebra, just seem more severe with in a hurry.

Summary of the invention

The objective of the invention is to overcome the defective of prior art, more comfortable, convenient and practical hospital bed is provided.

For achieving the above object, the present invention adopts a kind of hospital bed, comprise cabinet base, bed body, wherein the bed body comprises bed body rack, backrest and tailstock, the backrest below is provided with the lifter that can turn down backrest, the vertical both sides of wherein said bed body rack are equipped with sliding top, and described sliding top comprises portable plate, gripper shoe, location-plate and column, and wherein location-plate has a horizontal groove and is fixedly mounted on the vertical both sides of bed body rack; Described tailstock comprises that stack successively is arranged on tailstock frame and the tailstock plate on the bed body rack; Described backrest comprises that stack successively is arranged on the back rest on the bed body rack, planker, inferior sliding layer and outer spool layer, described time sliding layer is fixedly mounted on the planker, be connected by hinge between described outer spool layer and the tailstock plate, has a sliding space near between the end of tailstock on described back rest one end and the bed body rack, this sliding space and width corresponding with the horizontal groove on the location-plate that is installed in the vertical lateral surface of bed body rack adapts, the wherein end of described column is erect and is installed on the described bed body rack longitudinal medial face and corresponding with the position of location-plate one end, its middle carriage below is vertically arranged with back shaft, these back shaft two ends are separately installed with rolling bearing, this rolling bearing can laterally roll on back rest, one end of described back rest is provided with rotating shaft, this rotating shaft is corresponding with the horizontal groove on the location-plate and form spacing in this horizontal groove, a remote end in described tailstock is an opening shape on the back rest, described portable plate one end is sleeved on the back shaft, the other end of this portable plate has a traveller, the chute that an end has on this traveller and the gripper shoe is slidingly connected, and the described gripper shoe other end and the described column other end are hinged; Described bed body rack below is provided with fixed mount, but this fixed mount is provided with the gangbar of fore-set and fine motion under the effect of fore-set, described gangbar one end is hinged on the fixed mount, the other end and fore-set one end are hinged, and the bottom face near tailstock on the described fore-set other end and the back rest is fixedlyed connected; Described lifter comprises screw rod, handwheel and the rotating shaft of fixedlying connected with handwheel, rotating shaft is connected with the screw rod coupling, outside in the coupling junction of rotating shaft and screw rod is provided with gearcase, the screw rod week side of protruding the gearcase upper surface is provided with the screw rod cover, described screw rod cover both sides are provided with installing rack, be provided with connecting rod between the described installing rack, this connecting rod is through described screw rod cover, described installing rack also is provided with guard bar near a side of handwheel, this guard bar one end is sleeved on the connecting rod, the other end is sleeved in the described rotating shaft, wherein end opposite position with screw rod on the described bed body rack has a square hole, with the corresponding position of described square hole a carrier bar is installed on the described back rest bottom surface, described screw rod is sleeved on this carrier bar.

By above-mentioned improvement to prior art, owing to below planker, be provided with the back shaft of rolling bearing, and be provided with sliding top in end both sides near tailstock, move at lifter, during the turnover backrest, back rest is by sliding in the horizontal groove of rotating shaft on location-plate, make the turnover of backrest obtain cross spacing, and because the planker below is provided with bearing, when turnover, at first the portable plate that is pushed up by cunning is along with the turnover of backrest is slided in the chute of gripper shoe, when the traveller on the portable plate withstands on an end of chute, along with the continuation turnover of backrest, the gripper shoe that is hinged on the column moves upward by the relative back rest of portable plate promotion planker, because time sliding layer is fixedly mounted on the planker, and outer spool layer is installed on the tailstock plate with the hinge ways of connecting, in the process that the relative back rest of planker moves upward, drive time sliding layer simultaneously moves upward thereupon, and outer spool layer rotates along with backrest, but do not move upward, thereby inferior sliding layer forms relative slip with outer spool layer; For patient, because back leans against on the outer spool layer, in the turnover process of whole backrest, outer spool layer keeps resting state with respect to patient's back all the time, when therefore turning down backrest in actual use, the back of human body has reached comfortable, convenient and practical effect owing to can not be subjected to the extruding of frictional direction.

As a further improvement on the present invention, described tailstock frame is hinged on the bed body rack near an end of backrest, the bed body rack below at described tailstock place is provided with carriage, this carriage comprises longeron, a pallet device and at least one crossbeam, crossbeam one end is installed on the bed body rack, the other end is installed on the longeron, wherein the side of at least one crossbeam has a plurality of through holes, run through in described at least one through hole and be provided with the shelves axle, the shelves axle cooperates with via clearance, described crossbeam upper surface is equipped with the pallet seat, this pallet seat side has a through hole, and described pallet device passes this through hole and free to rotate, and the bottom face away from backrest on this pallet device one end and the tailstock frame contacts, other end frame is below described longeron, described pallet device can be by hand rotation and frame on described shelves axle, and the lift bed tailstock is in order to improve the stability of hospital bed integral body, polylith can also be set on the carriage stress plate, increase gravity.

Through after the further improvement in the technical proposal, owing to below tailstock, be provided with carriage, and the tailstock frame is hinged on the bed body rack at the end near backrest, locate by pallet device to the shelves axle that rotates on this carriage, thereby the other end of this pallet device turns down certain angle with tailstock; When this effect is embodied in the backrest turnover, tailstock is promoted certain angle earlier, the buttocks of human body is unlikely to slide along with the backrest turnover, and then touches the folds such as cotton-wadded quilt medicated clothing on the bed.

Further improve again as of the present invention, also be provided with a frame and table around the described bed body, described frame comprises five pillars, wherein four angles of bed body are provided with a pillar respectively, the 5th pillar is arranged on one of them vertical lateral surface of bed body rack near position intermediate, this frame upper end is fixedly connected by crossbeam, be connected with draw runner between the pillar of the same side of described the 5th pillar and close tailstock, described draw runner passes the cross through hole of described table one end, and described table is that fulcrum freely rotates and can be on this draw runner laterally slides with the draw runner, the 5th pillar of described draw runner top is provided with corresponding baffle plate and backup plate, wherein an end of baffle plate laterally is installed on the 5th pillar, the other end has a flange, described backup plate is corresponding with flange one side of described baffle plate, end face week side corresponding with a side at baffle ledge place on the described table is provided with side flange, described table can be inserted the gap between described baffle plate and the backup plate and be formed spacing, wherein baffle plate and backup plate are spacing to the rotation direction formation of table, and the side flange of all sides of baffle ledge and table constitutes spacing to the horizontal glide direction of table; Be provided with pressure pin and support bar with the 5th corresponding opposite side of pillar on the described bed body rack, one end of this support bar vertically is installed in the longitudinal medial face of bed body rack, the upper surface of the other end has a longitudinal fluting, described pressure pin one end is hinged on the back rest side, and the other end is slidingly connected in the longitudinal fluting of described support bar.

By further improving again of technique scheme, because table has been arranged on a side of bed body rack, and this table is that fulcrum rotates and can slide along draw runner with the draw runner, so the adjustable range of this table is bigger, in addition, being provided with pressure pin, when patient needs sitting to have a meal, can turn down backrest easily with the corresponding opposite side of table, planker is along with the turnover of backrest is slided on support bar simultaneously, and the position that finally is up to the standard, with the table turnover, be shelved on this planker again; This kind reasonable in design, convenient and practical.

Described inferior sliding layer and outer spool layer employing metal material (metallic articles such as iron sheet or rustless steel) or the plastics of further being set to again of the present invention, described outer spool layer also has lamina reticularis, this lamina reticularis is arranged at the position intermediate of leaning on of described outer spool layer, corresponding with human body back, can make that patient's back is more comfortable; As preferably, this lamina reticularis and outer spool layer and inferior sliding layer adopt the rustless steel product, because in actual use, especially Yan Re environment down or the patient who easily emits cold sweat, its perspiration has corrosiveness to other metal level, metallic article is got rusty, and adopt the rustless steel product just well to avoid this hidden danger, certainly, if adopt plastic part also can avoid this hidden danger on the inferior layer or outer spool layer and lamina reticularis slided, yet from practical and convenient angle, the sliding effect between the plastic part does not generally have the sliding effect between the rustless steel product good.

Description of drawings

Fig. 1 is an embodiment of the invention schematic perspective view.

Fig. 2 is the schematic perspective view of backrest and tailstock turnover certain angle among Fig. 1.

Fig. 3 is the schematic perspective view of another angle among Fig. 2.

Fig. 4 is the schematic perspective view that removes backrest and tailstock among Fig. 1.

Fig. 5 is the schematic perspective view that removes planker, inferior sliding layer, outer spool layer and tailstock among Fig. 1.

Fig. 6 is the schematic perspective view of back rest turnover certain angle among Fig. 5.

Fig. 7 is the schematic perspective view that removes outer spool layer and tailstock among Fig. 1.

Fig. 8 is the schematic perspective view of back rest and planker turnover certain angle among Fig. 7.

Fig. 9 is the schematic perspective view that removes tailstock among Fig. 1.

Figure 10 is the axonometric chart that removes the tailstock plate among Fig. 1.

Figure 11 is the schematic perspective view of backrest and tailstock frame turnover certain angle among Figure 10.

Figure 12 is the enlarged drawing at A place among Fig. 1.

Figure 13 is the enlarged drawing at B place among Fig. 1.

Figure 14 is the enlarged drawing at C place among Fig. 1.

Figure 15 is the enlarged drawing at D place among Fig. 3.

Figure 16 is the schematic perspective view of embodiment of the invention middle carriage.

Figure 17 is the enlarged drawing at F place among Figure 16.

Figure 18 is the schematic perspective view of pallet device in the embodiment of the invention.

Figure 19 is schematic perspective views that back rest and planker turnover 70 degree are among Fig. 8.

Figure 20 is the enlarged drawing at E place among Fig. 5.

Figure 21 is the schematic perspective view that another direction is looked up partially among Fig. 2.

Figure 22 is the schematic perspective view of another direction among Figure 19.

The specific embodiment

Shown in Fig. 1-2 2, specific embodiments of the invention are a kind of hospital beds, comprise cabinet base 1, bed body 2, wherein bed body 2 comprises bed body rack 20, backrest 21 and tailstock 22, backrest 21 belows are provided with the lifter 3 that can turn down backrest 21, as can be known from Fig. 21, this lifter 3 comprises screw rod 31, handwheel 30 and the rotating shaft 32 of fixedlying connected with handwheel 30, rotating shaft 32 is connected with screw rod 31 couplings, outside in rotating shaft 32 and the coupling junction of screw rod 31 is provided with gearcase 37, screw rod 31 all sides of protruding gearcase 37 upper surfaces are provided with screw rod cover 35, described screw rod overlaps 35 both sides and is provided with installing rack 34, be provided with connecting rod 33 between the described installing rack 34, this connecting rod 33 is through described screw rod cover 35, described installing rack 34 also is provided with guard bar 36 near a side of handwheel 30, and these guard bar 36 1 ends are sleeved on the connecting rod 33, and the other end is sleeved in the described rotating shaft 32; Wherein have a square hole 203 with the wherein end opposite position of screw rod 31 on the bed body rack 20, described lifter 3 is by rotating handwheel 30, thereby drive rotating shaft 32 rotates thereupon, rotating shaft 32 touches screw rod 31 again and rises at square hole 203 places, thereby promote (i.e. turnover) and be installed in the backrest 21 on the bed body rack 20, described bed body rack 20 vertical both sides are equipped with sliding top 6, in conjunction with Figure 12 as can be known, sliding top 6 comprises portable plate 60, gripper shoe 61, location-plate 62 and column 63, wherein location-plate 62 has a horizontal groove 621 and is fixedly mounted on bed body rack 20 vertical both sides, and a wherein end of described column 63 is fixedly mounted on described bed body rack 20 vertical both sides; Described tailstock 22 comprises that stack successively is arranged on tailstock frame 220 and the tailstock plate 221 on the bed body rack 20; Described backrest 21 comprises that stack successively is arranged on the back rest 210 on the bed body rack 20, planker 211, inferior sliding layer 212 and outer spool layer 213, described time sliding layer 212 is fixedly mounted on the planker 211, be connected by hinge 214 between described outer spool layer 213 and the tailstock plate 221, and what may be obvious that from Fig. 1 finds out, described outer spool layer 213 also has lamina reticularis 2131, this lamina reticularis 2131 is arranged at the position intermediate of leaning on of described outer spool layer 213, back with human body is corresponding, in the present embodiment, preferred as the best, inferior sliding layer 212 and outer spool layer 213 adopt stainless steel substrates, this kind material can prevent to get rusty under time sliding layer 212 and the bad border of outer spool layer 213 because of human sweat or humidity, thereby can not hinder the relative slip between time sliding layer 212 and the outer spool layer 213; Again in conjunction with Fig. 2 as can be known, described back rest 210 is provided with a carrier bar 204 with described square hole 203 corresponding positions, and described screw rod is sleeved on this carrier bar 204; Among Fig. 5, has a sliding space 215 near between the end of tailstock 22 on one end of back rest 210 and the bed body rack 20, corresponding and the width of horizontal groove 621 on this sliding space 215 and the location-plate 62 that is installed in bed body rack 20 vertical lateral surface 201 adapts, the wherein end of described column 63 is erect on the longitudinal medial face 202 that is installed in described bed body rack 20 and is corresponding with the position of location-plate 62 1 ends, from Figure 16 and Figure 17 as can be known, planker 211 belows are vertically arranged with back shaft 2111, these back shaft 2111 two ends are separately installed with rolling bearing 2112, this rolling bearing 2112 can laterally roll on back rest 210, in addition, Fig. 5 in conjunction with Figure 12 obviously as can be known, one end of described back rest 210 is provided with rotating shaft 2101, horizontal groove 621 on this rotating shaft 2101 and the location-plate 62 is corresponding and form spacing in this horizontal groove 621, and obviously as can be known by Fig. 5, a remote end in described tailstock 22 is opening 2102 shapes on the back rest 210, in conjunction with Fig. 7, Fig. 8 as can be known, promote in the process of (i.e. turnover) back rest 210 at lifter 3, planker 211 slides by these opening 2102 relative back rests 210, back rest 210 is then because the horizontal groove 621 on the location-plate 62 and the position-limiting action of rotating shaft 2101, defining back rest 210 can laterally slide in the starting stage of turnover, again as can be known in conjunction with Figure 12, back shaft 2111 positions between described rolling bearing 2112 medial surface and the planker 211 vertical sides are set with portable plate 60, obviously, as long as this planker 211 is sleeved on the back shaft 2111, concrete cover holding position can be adjusted by actual on back shaft 2111, the other end of described portable plate 60 has a traveller 601, the chute 611 that an end has on this traveller 601 and the gripper shoe 61 is slidingly connected, and described gripper shoe 61 other ends and described column 63 other ends are hinged; Among Figure 18, described bed body rack 20 belows are provided with fixed mount 4, but this fixed mount 4 is provided with the gangbar 40 of fore-set 41 and fine motion under the effect of fore-set 41, described gangbar 40 1 ends are hinged on the fixed mount 4, the other end and fore-set 41 1 ends are hinged, and the bottom face near tailstock 22 on described fore-set 41 other ends and the back rest 210 is fixedlyed connected; In lifter 3 actions, during turnover backrest 21, back rest 210 is by sliding in the horizontal groove 621 of rotating shaft 2101 on location-plate 62, make the turnover of backrest 21 obtain cross spacing, and because planker 211 belows are provided with bearing, when turnover, at first by the portable plate 60 on the sliding top 6 along with the turnover of backrest 21 is slided in the chute 611 of gripper shoe 61, when the traveller on the portable plate 60 601 withstands on an end of chute 611, continuation turnover along with backrest 21, the gripper shoe 61 that is hinged on the column 63 moves upward by portable plate 60 promotion plankers 211 relative back rests 210, because time sliding layer 212 is fixedly mounted on the planker 211, and outer spool layer 213 is installed on the tailstock plate 221 with the hinge ways of connecting, in the process that planker 211 relative back rests 210 move upward, drive time sliding layer 212 simultaneously and move upward thereupon, and outer spool layer 213 rotates along with backrest 21, but do not move upward, thereby inferior sliding layer 212 forms relative slip with outer spool layer 213; For patient, owing to back leans against on the outer spool layer 213, in the turnover process of whole backrest 21, outer spool layer 213 keeps resting state with respect to patient's back all the time, when therefore turning down backrest 21 in actual use, it is uncomfortable, convenient and practical that the back of human body can not felt.

Among Fig. 1-Figure 11, tailstock frame 220 is hinged on the bed body rack 20 near an end of backrest 21, bed body rack 20 belows at described tailstock 22 places are provided with carriage 9, this carriage 9 comprises a longeron 91, a pallet device 92 and two crossbeams 93, crossbeam 93 1 ends are installed on the bed body rack 20, the other end is installed on the longeron 91, wherein the side of a crossbeam 93 has a plurality of through holes 931, run through at least one through hole 931 and be provided with shelves axle 95, in the diagram, the side of described crossbeam 93 has five through holes 931, and be set with shelves axle 95 in two preceding and the most last through holes, certainly, shelves axle 95 can a plurality ofly arbitrarily be sleeved on through hole 931 places of diverse location, position corresponding to shelves axle 95 on the upper surface of described crossbeam 93 is equipped with pallet seat 96, described pallet device 92 passes this pallet seat 96 and free to rotate, from Figure 19 obviously as can be known, being shaped as of this pallet device 92 has contrary " h " shape that turn 90 degrees of pallet sliding handle 920 and tray handle 921, in conjunction with Fig. 5 as can be known, wherein the end of pallet sliding handle 920 have rolling bearing 2112 and with tailstock frame 220 on contact away from a bottom face of backrest 21,921 of tray handles are on longeron 91 lower surfaces, described pallet device 92 can be by hand rotation and frame on described shelves axle 95, thereby lift bed tailstock 220, in order to improve the stability of hospital bed integral body, polylith also is set on the carriage 9 stresses plate 42, increase gravity.Because in actual use, tend to make that the human buttock glides during turnover backrest 21, produce displacement, extremely inconvenient, therefore, below tailstock 22, be provided with after the carriage 9, before turnover backrest 21, earlier pallet device 92 1 ends of tailstock 22 belows are turned to shelves axle 95 and frame from longeron 91 belows on shelves axle 95, these pallet device 92 other ends just impel tailstock 22 also to turn down certain angle, thereby have promoted tailstock 22, can also be as can be known conspicuous from figure, the big I of turnover amplitude is adjusted by the installation site at the shelves axle 95 at described crossbeam 93 through holes 931 places, makes that the overall structure of this hospital bed is more flexible.

By Fig. 1 to Figure 11 and in conjunction with Figure 13 and as 15 as can be known, be provided with a frame 10 and table 11 around the described bed body 2, described frame 10 comprises five pillars, wherein four angles of bed body 2 are provided with a pillar respectively, the 5th pillar 101 is arranged on one of them vertical lateral surface 201 of bed body rack 20 near position intermediate, these frame 10 upper ends are fixedly connected by crossbeam, can hang mosquito net on this crossbeam, be connected and installed with draw runner 12 between the pillar of the same side of described the 5th pillar 101 and close tailstock 22, described draw runner 12 passes the cross through hole 110 of described table 11 1 ends, and described table 11 is that fulcrum freely rotates and can be on this draw runner 12 laterally slides with draw runner 12, the 5th pillar 101 of described draw runner 12 tops is provided with corresponding baffle plate 13 and backup plate 14, wherein an end of baffle plate 13 laterally is installed on the 5th pillar 101, the other end has a flange 130, described backup plate 14 is corresponding with flange 130 1 sides of described baffle plate 13, end face week side corresponding with a side at baffle plate 13 flanges 130 places on the described table 11 is provided with side flange 111, described table 11 can be inserted the gap between described baffle plate 13 and the backup plate 14 and be formed spacing, wherein baffle plate 13 constitutes spacing with the rotation direction of 14 pairs of tables 11 of backup plate, baffle ledge 130 constitutes spacing with the horizontal glide direction of 111 pairs of tables 11 of side flange of table 11 all sides, be provided with pressure pin 15 and support bar 16 with the 5th pillar 101 corresponding opposite sides on the described bed body rack 20, one end of this support bar 16 vertically is installed in the longitudinal medial face 202 of bed body rack 20, the upper surface of the other end has a longitudinal fluting 160, described pressure pin 15 1 ends are hinged on back rest 210 sides, and the other end is slidingly connected in the longitudinal fluting 160 of described support bar 16; When turnover backrest 21, pressure pin 15 at the pin joint place along with back rest 210 motion, and since pressure pin 15 other ends in the longitudinal fluting 160 of support bar 16, formed spacing, can only transverse movement, therefore, behind turnover backrest 21, pressure pin 15 balances are shelved on back rest 210 and the support bar 16, at this moment, can and lie across on described pressure pin 15 and draw runner 12 table 11 rotations, make things convenient for patient to eat to put, read a book or play activities such as computer, reached convenient and practical effect.

Claims

1. hospital bed, comprise cabinet base, bed body, wherein the bed body comprises bed body rack, backrest and tailstock, the backrest below is provided with the lifter that can turn down backrest, it is characterized in that: the vertical both sides of described bed body rack are equipped with sliding top, described sliding top comprises portable plate, gripper shoe, location-plate and column, and wherein location-plate has a horizontal groove and is fixedly mounted on the vertical both sides of bed body rack; Described tailstock comprises that stack successively is arranged on tailstock frame and the tailstock plate on the bed body rack; Described backrest comprises that stack successively is arranged on the back rest on the bed body rack, planker, inferior sliding layer and outer spool layer, described time sliding layer is fixedly mounted on the planker, be connected by hinge between described outer spool layer and the tailstock plate, has a sliding space near between the end of tailstock on described back rest one end and the bed body rack, this sliding space and width corresponding with the horizontal groove on the location-plate that is installed in the vertical lateral surface of bed body rack adapts, the wherein end of described column is erect and is installed on the described bed body rack longitudinal medial face and corresponding with the position of location-plate one end, wherein said planker below is vertically arranged with back shaft, these back shaft two ends are separately installed with rolling bearing, this rolling bearing can laterally roll on back rest, one end of described back rest is provided with rotating shaft, this rotating shaft is corresponding with the horizontal groove on the location-plate and form spacing in this horizontal groove, a remote end in described tailstock is an opening shape on the back rest, described portable plate one end is sleeved on the back shaft, the other end of this portable plate has a traveller, the chute that an end has on this traveller and the gripper shoe is slidingly connected, and the described gripper shoe other end and the described column other end are hinged; Described bed body rack below is provided with fixed mount, but this fixed mount is provided with the gangbar of fore-set and fine motion under the effect of fore-set, described gangbar one end is hinged on the fixed mount, the other end and fore-set one end are hinged, and the bottom face near tailstock on the described fore-set other end and the back rest is fixedlyed connected; Described lifter comprises screw rod, handwheel and the rotating shaft of fixedlying connected with handwheel, rotating shaft is connected with the screw rod coupling, outside in the coupling junction of rotating shaft and screw rod is provided with gearcase, the screw rod week side of protruding the gearcase upper surface is provided with the screw rod cover, described screw rod cover both sides are provided with installing rack, be provided with connecting rod between the described installing rack, this connecting rod is through described screw rod cover, described installing rack also is provided with guard bar near a side of handwheel, this guard bar one end is sleeved on the connecting rod, the other end is sleeved in the described rotating shaft, wherein end opposite position with screw rod on the described bed body rack has a square hole, with the corresponding position of described square hole a carrier bar is installed on the described back rest bottom surface, described screw rod is sleeved on this carrier bar.

2. hospital bed according to claim 1, it is characterized in that: described tailstock frame is hinged on the bed body rack near an end of backrest, the bed body rack below at described tailstock place is provided with carriage, this carriage comprises longeron, a pallet device and at least one crossbeam, crossbeam one end is installed on the bed body rack, the other end is installed on the longeron, wherein the side of at least one crossbeam has a plurality of through holes, run through in described at least one through hole and be provided with the shelves axle, the shelves axle cooperates with via clearance, the upper surface of described crossbeam is equipped with the pallet seat corresponding to the position of shelves axle, described pallet device passes this pallet seat and free to rotate, and the bottom face away from backrest on this pallet device one end and the tailstock frame contacts, and other end frame is below described longeron, described pallet device can be by hand rotation and frame on described shelves axle, the lift bed tailstock.

3. hospital bed according to claim 2 is characterized in that: being shaped as of described pallet device has contrary " h " shape that turn 90 degrees of pallet sliding handle and tray handle, and described pallet sliding handle contacts with tailstock frame lower surface, and described tray handle frame is on the longeron lower surface.

4. according to claim 2 or 3 described hospital beds, it is characterized in that: also be provided with polylith on the described carriage that is arranged on tailstock frame below and stress plate.

5. according to claim 1 or 2 or 3 described hospital beds, it is characterized in that: also be provided with a frame and table around the described bed body, described frame comprises five pillars, wherein four angles of bed body are provided with a pillar respectively, the 5th pillar is arranged on one of them vertical lateral surface of bed body rack near position intermediate, this frame upper end is fixedly connected by crossbeam, be connected with draw runner between the pillar of the same side of described the 5th pillar and close tailstock, described draw runner passes the cross through hole of described table one end, and described table is that fulcrum freely rotates and can be on this draw runner laterally slides with the draw runner, the 5th pillar of described draw runner top is provided with corresponding baffle plate and backup plate, wherein an end of baffle plate laterally is installed on the 5th pillar, the other end has a flange, described backup plate is corresponding with flange one side of described baffle plate, end face week side corresponding with a side at baffle ledge place on the described table is provided with side flange, described table can be inserted the gap between described baffle plate and the backup plate and be formed spacing, wherein baffle plate and backup plate constitute spacing to the rotation direction of table, the side flange of all sides of baffle ledge and table constitutes spacing to the horizontal glide direction of table, be provided with pressure pin and support bar with the 5th corresponding opposite side of pillar on the described bed body, one end of this support bar vertically is installed in the longitudinal medial face of bed body rack, the upper surface of the other end has a longitudinal fluting, described pressure pin one end is hinged on the back rest side, and the other end is slidingly connected in the longitudinal fluting of described support bar.

6. according to claim 1 or 2 or 3 described hospital beds, it is characterized in that: described inferior sliding layer and outer spool layer adopt metal material or plastics, and described outer spool layer also has lamina reticularis, and this lamina reticularis is arranged at the position intermediate of leaning on of described outer spool layer.

7. hospital bed according to claim 6 is characterized in that: the metal material of described inferior sliding layer and outer spool layer adopts rustless steel, and the lamina reticularis on the described outer spool layer adopts stainless (steel) wire.