CN210355161U

CN210355161U - Medical bed for children

Info

Publication number: CN210355161U
Application number: CN201721714468.2U
Authority: CN
Inventors: 刘永新; 李朝阳
Original assignee: Hebei Pukang Medical Instruments Co ltd
Current assignee: Hebei Pukang Medical Instruments Co ltd
Priority date: 2017-12-11
Filing date: 2017-12-11
Publication date: 2020-04-21
Anticipated expiration: 2027-12-11

Abstract

The utility model discloses a medical bed for children, which comprises a walking chassis component, a front lifting shaft component, a rear lifting shaft component, a bed board upper frame component and a guardrail component, wherein the walking chassis component comprises a chassis, casters and a brake pedal, the bed board upper frame component comprises a bed frame, four bed head stand columns, a back plate, a seat plate, a thigh plate, a calf plate, a backrest motor, a leg bending motor and a telescopic hinge, and a chassis in the walking chassis component is connected with a chassis in the walking chassis component through the front lifting shaft component and the rear lifting shaft component; guard bar components are arranged around the bed frame in the bed board upper frame component. The child medical bed has the advantages that the lifting of the guardrail can be adjusted, the lifting and unlocking device of the guardrail can be adjusted, the operation is simple, and the safety of a patient can be effectively protected.

Description

Medical bed for children

Technical Field

The utility model relates to a medical care machinery particularly relates to a children's medical bed.

Background

With the development of medical level, the functions of the hospital bed body are more diversified, wherein the hospital bed for children becomes an essential tool and a therapeutic tool for the treatment and rehabilitation of children. However, among the children's medical bed for current medical treatment, most bed body guardrail is according to generally being provided with fixed height and guardrail clearance, and usual design height is about 400mm, and the guardrail clearance is about 80mm, causes a very big drawback like this, is exactly that children have the danger of falling and blocking easily, can not realize the absolute safety protection to children's patient. If the child patient uses this kind of medical bed will have the potential safety hazard, consequently need increase guardrail length for being more than or equal to 800mm (safe use height promptly), but simply increase the guardrail height, can highly not match with current lathe bed when the descending motion is made to the guardrail, can't realize the decline function, and the medical worker operation degree of difficulty is big. Therefore, a child medical bed is needed in modern medical treatment, the safety of a child patient can be effectively protected, the guardrail rises to reach the safe use height, the guardrail falls to be matched with the height of the existing bed body, and the operation is simple.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a children's medical bed, this children's medical bed have guardrail lift adjustable and guardrail lift unlocking device, and easy operation, can effectively protect patient's safety.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a children's medical bed which characterized in that: the bed plate lifting mechanism comprises a walking underframe assembly, a front lifting shaft assembly, a rear lifting shaft assembly, a bed plate upper frame assembly and a guardrail assembly, wherein the walking underframe assembly comprises an underframe, trundles and brake pedals;

the bed board upper frame component comprises a bed frame, four bed head upright posts, a back board, a seat board, a thigh board, a lower leg board, a backrest motor, a leg bending motor, a telescopic hinge and a control switch, four bedside upright columns are fixedly arranged at four corners of the bedstead, the four bedside upright columns are symmetrical left and right and front and back, the seat plate is fixed at the middle position of the upper side of the bed frame, the front end of the seat plate is hinged with the rear end of the back plate, the front end of the back plate is hinged with the head of the backrest motor, the backrest motor base is hinged with the inner side of the longitudinal beam of the underframe, the rear end of the seat plate is hinged with the front end of the thigh plate, the rear end of the thigh plate is hinged with the front end of the shank plate, the rear end of the shank plate is hinged with one end of the telescopic hinge, the other end of the telescopic hinge is hinged with the inner side of a longitudinal beam of the bedstead, a control switch is installed on the outer side of the longitudinal beam of the bedstead, and four vertical beams are symmetrically arranged on the left side and the right side of the lower side of the bedstead;

the middle cross beam of the underframe in the walking underframe assembly is hinged with the lower end of a rear lifting shaft assembly, two side shaft ends of the lower ends of the front lifting shaft assembly and the rear lifting shaft assembly are slidably connected with the inner side guide groove of the longitudinal beam of the underframe in the walking underframe assembly, and two side shaft ends of the upper ends of the front lifting shaft assembly and the rear lifting shaft assembly are hinged with the vertical beam at the lower side of the bedstead in the bedplate upper frame assembly; a middle cross beam of the bed frame in the bed plate upper frame component is hinged with bases of two electric push rods, and the heads of the two electric push rods are respectively hinged with middle shafts at the upper ends of the front lifting shaft component and the rear lifting shaft component; guard bar components are arranged around the bed frame in the bed board upper frame component.

Further preferably, the front lifting shaft assembly comprises a twenty-type lifting shaft I, a middle shaft A and a front electric push rod, two sides of the lower end of the twenty-type lifting shaft I are slidably connected with inner side guide grooves of longitudinal beams of a chassis in the walking chassis assembly, two sides of the upper end of the twenty-type lifting shaft I are hinged and connected with the inner sides of two vertical beams on the lower side of the front end of the bedstead, the lower end of the middle shaft A is hinged and connected with the upper side of the middle of the twenty-type lifting shaft I, and the upper end of the middle shaft A is hinged and connected with the head of;

rear lift axle subassembly includes twenty type lift axle II, jackshaft B, back electric push rod, two C type connecting rods, the inboard guide slot sliding connection of chassis longeron in twenty type lift axle II lower extreme both sides and the walking chassis subassembly, two C type connecting rod upper ends link to each other with two middle side positions of twenty type lift axle in articulated, and two C type connecting rod lower extremes link to each other with chassis middle cross beam is articulated, two inboard articulated links to each other of perpendicular roof beam of two upper ends both sides of twenty type lift axle II upper end and bedstead rear end downside, jackshaft B lower extreme links to each other with the middle upside of twenty type lift axle II is articulated, and jackshaft B upper end links to each other with the articulated of back electric push rod head.

Further preferably, the guardrail assembly comprises a left guardrail part, a right guardrail part, a bed head guardrail part and a bed tail guardrail part, wherein the left guardrail part and the right guardrail part are symmetrically arranged at the left side and the right side of the bed frame, and the bed head guardrail part and the bed tail guardrail part are symmetrically arranged at the front end and the rear end of the bed frame; the left guardrail part is matched with two bedside uprights at the left side of the bedstead, the right guardrail part is matched with two bedside uprights at the right side of the bedstead, the bedside guardrail part is matched with two bedside uprights at the front end of the bedstead, and the tailstock guardrail part is matched with two bedside uprights at the rear end of the bedstead; the left guardrail part, the right guardrail part, the bed head guardrail part and the bed tail guardrail part adopt the same guardrail part structure; the left guardrail component, the right guardrail component, the bed head guardrail component and the bed tail guardrail component are respectively provided with two guardrail unlocking devices which are arranged in a bilateral symmetry mode.

Further preferably, the guardrail part structure comprises a telescopic upright post assembly, an upper cross beam assembly and a lower cross beam assembly, the telescopic upright post assembly comprises a thick pipe, a thin pipe, a limiting sleeve B, a sliding lock catch A and a sliding lock catch B, mounting holes are respectively formed in the two ends of the thick pipe and the thin pipe, the limiting sleeve B is mounted at the lower end of the thick pipe, the sliding lock catch A and the sliding lock catch B are mounted at the upper end of the thin pipe, and the lower end of the thin pipe is inserted into the upper end of the thick pipe;

the upper crossbeam assembly comprises a crossbeam A, a crossbeam B, a limiting sleeve A, a gasket and a limiting shaft, wherein the crossbeam B is provided with a mounting hole, the limiting sleeve A is sequentially inserted into the mounting hole of the crossbeam B, the gasket and the upper end of the thick pipe and is finally clamped in the mounting hole of the upper end of the thick pipe through a boss arranged on the limiting sleeve A, and the limiting shaft is inserted into the limiting sleeve A;

the beam A is clamped into a groove of the beam B through a boss arranged on the beam A, and two ends of the beam A and the beam B are connected through bolts;

the lower beam assembly has the same structure as the upper beam assembly, and is connected with the lower end of the thin tube.

Further preferably, the telescopic upright post assemblies are uniformly distributed between the upper cross beam assembly and the lower cross beam assembly.

Further preferably, stop collar B installs the lower extreme at the thick intraductal wall through the boss that self was equipped with and the lower extreme mounting hole cooperation of thick pipe, the upper end at the thin pipe outer wall is fixed through the boss that self was equipped with and the upper end mounting hole cooperation of thin pipe respectively to slip hasp A, slip hasp B.

Further preferably, the limiting sleeve A is in a hollow conical shape, and the limiting sleeve A and the limiting shaft form an expansion wire type connecting structure.

Further preferably, the guardrail unlocking device comprises a locking rod assembly, a locking wrench assembly and a limit stop, wherein the locking rod assembly is installed inside the cross beam A, the locking wrench assembly is installed on the lower side of the cross beam B, and the limit stop is installed in the upright post of the bed head;

the left side and the right side of the crossbeam A are symmetrically provided with two openings, and the left side and the right side of the crossbeam B, which correspond to the openings of the crossbeam A, are sequentially provided with an assembly hole, a tension spring through hole and a pull plate through hole;

the locking rod assembly comprises a pull rod, a roller, a shifting fork arm, a check ring and a pull plate, wherein one end of the pull rod is provided with an L-shaped handle, and the other end of the pull rod is a square positioning end; the roller is hinged to one end of the pull rod with the L-shaped handle, the square positioning end of the pull rod penetrates through the opening of the pull rod reaching the corresponding side from one end of the cross beam A to be connected with the square positioning hole arranged at the upper end of the shifting fork arm and is axially fixed by the retainer ring, and the lower end of the shifting fork arm is hinged to the upper end of the pull plate; the lower end of the pull plate penetrates through a pull plate through hole in the cross beam B and is hinged with the upper side of a wrench cover in the locking wrench assembly; the L-shaped handle and the roller at one end of the pull rod are matched with the limiting assembly;

the locking wrench assembly comprises a fixing piece, a tension spring, a wrench cover, a wrench seat, a blocking rib and a decorative piece, wherein the upper end of the tension spring penetrates through a tension spring through hole of the cross beam B to be connected with the fixing piece, the fixing piece is fixedly connected to the inner side of the cross beam B, and the lower end of the tension spring is connected with the middle part of the wrench cover; the wrench cover is hinged with the wrench base, two ends of the blocking rib are respectively inserted into mounting holes formed in the lower portion of the wrench base, and the decorative sheet is buckled at the upper end of the wrench cover.

Further preferably, when the shifting fork arm is assembled, the axial line from the upper end of the shifting fork arm to the lower end of the shifting fork arm is consistent with the main axis direction of the L-shaped handle arranged at one end of the pull rod.

Further preferably, two bosses are symmetrically arranged at the top of the wrench seat, and the two bosses on the wrench seat are respectively clamped at the edges of the assembly hole and the pulling plate through hole which are arranged on the cross beam B when the whole set of guardrail unlocking device is in a locking state.

Further preferably, the roller is installed at one end of the pull rod with the L-shaped handle through a bearing, the bedside upright post is provided with a track, and the roller slides up and down along the track.

Further preferably, the lower end of the shifting fork arm is hinged with the upper end of the pulling plate, and the lower end of the pulling plate is hinged with the upper side of the wrench cover.

Further preferably, the lower ends of the four bed head stand columns are respectively provided with a lowest position which is used for limiting the movement of the lower cross beam assembly together with the first limiting pin; the lower extreme is equipped with the second spacer pin respectively in four head of a bed stands and is used for restricting the highest position of lower beam assembly.

Further preferably, the second limit pin is provided with a coil spring, and the other end of the coil spring is arranged on a coil spring fixing sheet arranged at the left end of the lower cross beam assembly.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: this children's medical bed's bed board upper rack subassembly is whole through preceding lift axle subassembly, back lift axle subassembly can realize whole lift adjustment, and control switch both can steerable back motor, the folding action of bending the leg motor action realization backplate, thigh board, shank board make children keep comfortable position of sitting, also can control preceding electric push rod in the lift axle subassembly before and the back electric push rod action in the lift axle subassembly after, make the action that bed board upper rack subassembly realized rising or descending. Meanwhile, the guardrail component consisting of the left guardrail component, the right guardrail component, the bed head guardrail component and the bed tail guardrail component adopts a telescopic guardrail component structure and a guardrail unlocking device, so that the telescopic function of the guardrail component can be effectively, safely and reliably realized, and the height of the guardrail can be adjusted.

When the left guardrail part, the right guardrail part, the bed head guardrail part and the bed tail guardrail part of the children medical bed are positioned at the highest position, the guardrail unlocking device is in a locked state, the guardrail component cannot slide up and down, the L-shaped handle at one end of the pull rod with the L-shaped handle is positioned above the limit stop block in the bed head upright post, and meanwhile, the spanner is covered by the blocking rib and clamped with the spanner seat together, so that the spanner cover and the spanner seat are prevented from sliding downwards automatically; when the medical guardrail unlocking device is operated by medical personnel, the left guardrail component, the right guardrail component, the bedside guardrail component and the bed tail guardrail component are placed at the lowest positions, and the first limiting pin is used for limiting the lowest positions of the whole guardrail which can be reduced.

When left guardrail part, right guardrail part, head of a bed guardrail part, tailstock guardrail part are located the extreme low position, put into the bed with children after, operate two guardrail unlocking device on left guardrail part, right guardrail part, head of a bed guardrail part, the tailstock guardrail part respectively, upwards promote, guardrail part structure upward movement can alleviate upward movement's resistance under the effect of coil spring. In the process of lifting the guardrail unlocking device upwards, the second limiting pin is used for limiting the highest position of the movement of the lower cross beam assembly.

Meanwhile, the thin tube in the telescopic upright post assembly extends out of the thick tube, so that the height of the guardrail is more than or equal to 800mm, and the safe use height is achieved; when children's treatment need reduce the guardrail height, operate guardrail unlocking device equally and make during the tubule withdrawal thick tube to reduce the guardrail height, this children's medical bed has that the guardrail goes up and down adjustable and guardrail lift unlocking device, and easy operation, can effectively protect patient's safety.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a traveling chassis assembly of the present invention;

FIG. 3 is a schematic structural view of a front and middle lift shaft assembly of the present invention;

FIG. 4 is a schematic structural view of a middle and rear lift shaft assembly of the present invention;

fig. 5 is a schematic structural view of the upper frame assembly of the middle bed board of the utility model;

FIG. 6 is a schematic view of the guardrail assembly of the present invention assembled with the upright at the lower most position;

fig. 7 is a schematic structural view of the assembled state of the guardrail component structure and the guardrail unlocking device of the utility model;

fig. 8 is a schematic structural view of the guardrail unlocking device of the present invention;

fig. 9 is a schematic view of the assembled state structure of the guardrail component structure, the guardrail unlocking device, the bed head upright post and the coil spring of the utility model;

FIG. 10 is a structural diagram of the guardrail component according to the present invention in an assembled state;

FIG. 11 is an enlarged view of a portion of FIG. 10 at A;

FIG. 12 is a schematic structural view of the middle thick pipe and the stop collar B of the present invention;

fig. 13 is a schematic structural view of the middle thin tube, the sliding lock catch a and the sliding lock catch B of the present invention;

fig. 14 is a schematic structural view of a middle telescopic pillar assembly of the present invention;

fig. 15 is a schematic structural view of relative positions of the middle telescopic column assembly, the cross beam B, the limiting sleeve a and the gasket of the present invention;

FIG. 16 is an enlarged view of a portion of FIG. 15 at B;

fig. 17 is a schematic structural view of the relative position of the middle cross beam a and the limiting shaft of the middle and lower cross beam assemblies of the present invention when assembled;

FIG. 18 is an enlarged view of a portion of the portion C shown in FIG. 17;

fig. 19 is a schematic structural view of the locking bar assembly of the present invention without a pulling plate assembled inside the cross beam a;

FIG. 20 is an enlarged view of a portion of FIG. 19 at D;

fig. 21 is a schematic structural view of the locking rod assembly of the present invention assembled inside the cross beam a;

FIG. 22 is an enlarged view of a portion of FIG. 21 at E;

FIG. 23 is a schematic view of the locking rod assembly in combination with the locking wrench assembly;

FIG. 24 is an enlarged view of a portion of FIG. 23 at F;

FIG. 25 is a schematic structural view of the tension spring and the fixing piece of the present invention assembled on the cross beam B;

FIG. 26 is an enlarged view of a portion of FIG. 25 at G;

fig. 27 is a schematic structural view of the guardrail component structure, the guardrail unlocking device and the bed head upright post in the locking state;

FIG. 28 is an enlarged view of a portion at H in FIG. 27;

FIG. 29 is an enlarged view of a portion of FIG. 27 at I;

fig. 30 is a schematic structural view of the guardrail component structure, the guardrail unlocking device and the bed head upright post in the unlocking state;

FIG. 31 is an enlarged view of a portion of FIG. 26 at J;

fig. 32 is a partial enlarged view of fig. 26 at K.

In the figure: 1. a guardrail assembly; 2. a bed board upper frame component; 3. a front lift shaft assembly; 4. a walking chassis assembly; 5. a front electric push rod; 6. a rear electric push rod; 7. a rear lifting shaft assembly; 31. an intermediate shaft A; 32. a twenty-type lifting shaft I; 41. a caster wheel; 42. a chassis; 43. a brake pedal; 71. an intermediate shaft B; 72. a twenty-type lifting shaft II; 73. a C-shaped connecting rod; 21. a shank plate; 22. a thigh panel; 23. a seat plate; 24. a back plate; 25. a bed head upright post; 26. a backrest motor; 27. a bed frame; 28. a leg bending motor; 29. a control switch; 210. erecting a beam; 211. a telescopic hinge; 11. a bed end guard rail component; 12. a left guardrail member; 13. a right guardrail member; 14. a bedside guard rail member; 15. a guardrail unlocking device; 16. a beam A; 17. a cross beam B; 18. a thick pipe; 19. a thin tube; 110. a lower cross beam assembly; 111. connecting by bolts; 112. a limiting sleeve B; 113. a sliding lock catch A; 114. a sliding lock catch B; 115. a limiting sleeve A; 116. a gasket; 117. a limiting shaft; 151. pulling a plate; 152. a tension spring; 153. a fork arm; 154. a retainer ring; 155 fixing pieces; 156. a decorative sheet; 157. a wrench cover; 158. blocking ribs; 159. a wrench base; 160. a long bolt; 161. a pull rod; 162 a roller; 163. a limit stop block; 164. a nut; 251. a second limit pin; 252. a first limit pin; 253. a coil spring; 254. a coil spring fixing bolt; 1571. the spanner covers the hinge hole of the pull plate; 1591. a boss is arranged on the wrench seat; 171. a pulling plate via hole; 172. the tension spring is provided with a through hole; 173. and (7) assembling holes.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, the child medical bed comprises a walking underframe assembly 4, a front lifting axle assembly 3, a rear lifting axle assembly 7, a bed board upper frame assembly 2 and a guardrail assembly 1, wherein the walking underframe assembly 4 comprises an underframe 42, casters 41 and brake pedals 43, four casters 41 are fixedly mounted at four corners of the underframe 42, and the brake pedals 43 are arranged at two sides of two casters 41 mounted at the rear end of the underframe 42, so that a medical staff can conveniently park the child medical bed at any time.

The bed board upper frame component 2 comprises a bed frame 27, four bed head upright posts 25, a back plate 24, a seat plate 23, thigh plates 22, a shank plate 21, a backrest motor 26, a leg bending motor 28, a telescopic hinge 211 and a control switch 29, wherein the four bed head upright posts 25 are fixedly installed at four corners of the bed frame 27, the four bed head upright posts 25 are symmetrical left and right and are symmetrical front and back, the seat plate 23 is fixed at the middle position of the upper side of the bed frame 27, the front end of the seat plate 23 is hinged and connected with the rear end of the back plate 24, the front end of the back plate 24 is hinged and connected with the head of the backrest motor 26, the base of the backrest motor 26 is hinged and connected with the inner side of a longitudinal beam of an underframe 42, the rear end of the seat plate 23 is hinged and connected with the front end of the thigh plate 22, the rear end of the thigh plate 22 is hinged and connected with the front end of the shank plate 21, the rear end, four vertical beams 210 are symmetrically arranged at the left and the right of the lower side of the bed frame 27; the control switch 29 can control the back motor 26 and the leg bending motor 28 to realize the folding action of the back plate 24, the thigh plate 22 and the shank plate 21, so that the child can keep a comfortable sitting posture, and can also control the front electric push rod 5 in the front lifting shaft assembly 3 and the rear electric push rod 6 in the rear lifting shaft assembly 7 to realize the ascending or descending action of the bed board upper assembly 2.

The middle cross beam of the bottom frame 42 in the walking bottom frame component 4 is hinged with the lower end of the rear lifting shaft component 7, the two side shaft ends of the lower ends of the front lifting shaft component 3 and the rear lifting shaft component 7 are connected with the inner side guide groove of the longitudinal beam of the bottom frame 42 in the walking bottom frame component 4 in a sliding way, and the two side shaft ends of the upper ends of the front lifting shaft component 3 and the rear lifting shaft component 7 are hinged with the vertical beam 210 at the lower side of the bed frame 27 in the bed; the middle cross beam of a bed frame 27 in the bed board upper frame component 2 is hinged with the bases of two electric push rods, and the heads of the two electric push rods are respectively hinged with the middle shafts at the upper ends of the front lifting shaft component 3 and the rear lifting shaft component 7; the guard rail components 1 are arranged around the bed frame 27 in the bed board upper frame component 2.

The front lifting shaft assembly 3 comprises a twenty-type lifting shaft I32, an intermediate shaft A31 and a front electric push rod 5, two sides of the lower end of the twenty-type lifting shaft I32 are slidably connected with inner side guide grooves of longitudinal beams of an underframe 42 in the walking underframe assembly 4, two sides of the upper end of the twenty-type lifting shaft I32 are hinged with the inner sides of two vertical beams 210 on the lower side of the front end of the bedstead 27, the lower end of the intermediate shaft A31 is hinged with the upper side of the middle of the twenty-type lifting shaft I32, and the upper end of the intermediate shaft A31 is hinged with the head of the front;

rear lift axle assembly 7 includes twenty type lift axle II 72, jackshaft B71, back electric push rod 6, two C type connecting rods 73, twenty type lift axle II 72 lower extreme both sides and walking chassis subassembly 4 in chassis 42 longeron inboard guide slot sliding connection, two C type connecting rods 73 upper ends link to each other with twenty type lift axle II 72 middle both sides position is articulated, two C type connecting rods 73 lower extreme link to each other with chassis 42 middle cross beam is articulated, twenty type lift axle II 72 upper end both sides link to each other with two vertical beams 210 inboard hinges of bedstead 27 rear end downside, jackshaft B71 lower extreme links to each other with twenty type lift axle II 72 middle upside is articulated, jackshaft B71 upper end links to each other with 6 head hinges of back electric push rod.

The guardrail component 1 comprises a left guardrail part 12, a right guardrail part 13, a bed head guardrail part 14 and a bed tail guardrail part 11, wherein the left guardrail part 12 and the right guardrail part 13 are symmetrically arranged at the left side and the right side of the bed frame 27, and the bed head guardrail part 14 and the bed tail guardrail part 11 are symmetrically arranged at the front end and the rear end of the bed frame 27 in a front-and-back manner; the left guardrail part 12 is matched with two bedside uprights 25 on the left side of the bedstead 27, the right guardrail part 13 is matched with two bedside uprights 25 on the right side of the bedstead 27, the bedside guardrail part 14 is matched with two bedside uprights 25 at the front end of the bedstead 27, and the bedside guardrail part 11 is matched with two bedside uprights 25 at the rear end of the bedstead 27; the left guardrail part 12, the right guardrail part 13, the bed head guardrail part 14 and the bed tail guardrail part 11 adopt the same guardrail part structure; the left guardrail component 12, the right guardrail component 13, the bedside guardrail component 14 and the tailstock guardrail component 11 are respectively provided with two guardrail unlocking devices 15 which are arranged in a bilateral symmetry way.

The guardrail part structure comprises a telescopic upright post component, an upper cross beam component and a lower cross beam component 110, wherein the telescopic upright post component comprises a thick tube 18, a thin tube 19, a limiting sleeve B112, a sliding lock catch A113 and a sliding lock catch B114, two ends of the thick tube 18 and the thin tube 19 are respectively provided with a mounting hole, and the mounting holes correspond to each other in the radial direction; the limiting sleeve B112 is arranged at the lower end of the inner wall of the thick pipe 18 in a matching way with the mounting hole at the lower end of the thick pipe 18 through a boss arranged on the limiting sleeve B; the sliding lock catch A113 and the sliding lock catch B114 are respectively matched and fixed at the upper end of the outer wall of the thin tube 19 through a boss arranged on the sliding lock catch A and a boss arranged on the sliding lock catch B and an upper end mounting hole of the thin tube 19; the lower end of the thin tube 19 is the end without the sliding lock catch A113 and the sliding lock catch B114, the upper end of the thick tube 18 is the end without the limit sleeve B112, the lower end of the thin tube 19 is inserted from the upper end of the thick tube 18 to form a telescopic upright post assembly, the upper end of the thick tube 18 is the upper end of the telescopic upright post assembly, and the lower end of the thin tube 19 is the lower end of the telescopic upright post assembly.

The upper crossbeam assembly comprises a crossbeam A16, a crossbeam B17, a limiting sleeve A115, a gasket 116 and a limiting shaft 117, wherein a mounting hole is formed in the crossbeam B17, the limiting sleeve A115 is sequentially inserted into the mounting hole of the crossbeam B17, the gasket 116 and the upper end of the thick tube 18 and is finally clamped in the mounting hole at the upper end of the thick tube 18 through a boss arranged on the limiting sleeve A115, the limiting sleeve A115 is in a hollow conical shape, and the limiting shaft 117 is inserted into the limiting sleeve A115 to form an expansion wire type fixing structure, so that the crossbeam B17, the gasket 116 and the thick tube 18 are further fixed.

The beam A16 is clamped into the groove of the beam B17 through a boss arranged on the beam A16, and the two ends of the beam A16 and the beam B17 are connected by bolts 111, so that the purpose of fixing the beam A16 and the beam B17 is achieved.

The lower beam assembly 110 has the same structure as the upper beam assembly, and the lower beam assembly 110 is connected to the lower end of the narrow tube 19. The telescopic upright post assemblies are uniformly distributed between the upper cross beam assembly and the lower cross beam assembly 110 according to actual needs.

The guardrail unlocking device 15 comprises a locking rod assembly, a wrench cover assembly and a limit stop 163, wherein the locking rod assembly comprises a pull rod 161, a roller 162, a shifting fork arm 153, a retainer ring 154 and a pull plate 151, and the locking wrench assembly comprises a fixing sheet 155, a tension spring 152, a wrench cover 157, a wrench seat 159, a stop rib 158 and a decorative sheet 156. The locking rod assembly is arranged inside the beam A16, the beam A16 is symmetrically provided with two openings at the left side and the right side, one end of the pull rod 161 is provided with an L-shaped handle, and the other end of the pull rod 161 is a square positioning end; the roller 162 is arranged at one end of the pull rod 161 with the L-shaped handle through a bearing, and the roller 162 is used for the guardrail to slide up and down along a track arranged on the bedside upright post 25 in the lifting process; the square positioning end of the pull rod 161 penetrates from one end of the cross beam A16 to reach the opening of the pull rod 161 on the corresponding side to be connected with the square positioning hole arranged at the upper end of the shifting fork arm 153 and axially fixed by the retaining ring 154, and the square positioning hole is adopted for matching to play a good positioning role; the lower end of the shifting fork arm 153 is hinged with the upper end of the pulling plate 151 through a bolt and is fixed by a nut 164, and when the shifting fork arm 153 is assembled, the direction of the axis from the upper end of the shifting fork arm 153 to the lower end of the shifting fork arm 153 is consistent with the main axis direction of an L-shaped handle arranged at one end of the pulling rod 161; the lower end of the pulling plate 151 penetrates through a pulling plate through hole 171 arranged on the cross beam B17 and is hinged with a pulling plate hinge hole 1571 arranged on the upper side of a wrench cover 157 in the locking wrench assembly through a pin shaft; the L-shaped handle and the roller 162 at one end of the pull rod 161 slide up and down with the rail arranged on the bedside upright post 25, the limit stop 163 is fixedly arranged in the bedside upright post 25, the rail is arranged on the bedside upright post 25, the roller 162 slides up and down along the rail, and the guardrail is convenient to operate due to the resistance in the lifting process.

The locking wrench assembly is arranged on the lower side of the beam B17, and the left side and the right side of the beam B17, which correspond to the opening of the beam A16, are sequentially provided with an assembling hole 173, a tension spring through hole 172 and a pull plate through hole 171; the upper end of the tension spring 152 penetrates through a tension spring through hole 172 of the cross beam B17 to be connected with the fixing piece 155, the fixing piece 155 is fixedly connected to the inner side of the cross beam B17 through bolt connection, and the lower end of the tension spring 152 is connected with the middle part of the wrench cover 157; the upper part of the wrench cover 157 is hinged with the upper part of the wrench seat 159 through a long bolt 160, two ends of a blocking rib 158 are respectively inserted into a blocking rib inserting hole arranged at the lower part of the wrench seat 159, the blocking rib 158 is used for enhancing the safety of the whole device, the wrench cover 157 is clamped on the wrench seat 159, and the injury of a patient such as falling bed and the like caused by misoperation of the whole device is prevented; the decorative plate 156 is fastened to the upper end of the wrench cover 157.

When the locking rod assembly is installed inside the cross beam A16 and installed, and when the locking wrench assembly is installed on the lower side of the cross beam B17 and assembled, the cross beam A16 and the cross beam B17 are clamped together to assemble the guardrail cross beam.

The guardrail unlocking device 15 consisting of the locking rod assembly and the locking wrench assembly is arranged on the beam A16 and the beam B17 in a bilateral symmetry mode.

When the guardrail unlocking device for the medical bed for preventing misoperation is in a locking state, two upper wrench seat bosses 1591 are symmetrically arranged at the top of the wrench seat 159, and the two upper wrench seat bosses 1591 on the wrench seat 159 are respectively clamped at the edges of the assembling hole 173 and the pulling plate through hole 171 arranged on the cross beam B17 when the whole set of guardrail unlocking device is in a locking state; the L-shaped handle of the pull rod 161 is at one end located within the bedside column 25 and is stopped above the limit stop 163.

When the unlocking is needed, the blocking rib 158 is opened, the wrench cover 157 is pulled outwards, the whole device is in an unlocking state, the pull rod 161, the wrench cover 157, the wrench seat 159, the pull plate 151 and the shifting fork arm 153 keep synchronous movement, the pull rod 161 can rotate outwards from the position above the limit stop 163 and leave the limit stop 163, and therefore the guardrail beam consisting of the beam A16 and the beam B17 can slide up and down along the bedside upright post 25.

The lower ends of the four bed head upright posts 25 are respectively provided with the lowest positions which are used for limiting the movement of the lower cross beam assembly 110 by the first limiting pins 252, and when the guard rail moves downwards, the lower cross beam assembly 110 is contacted with the first limiting pins 252, namely, the downward movement is stopped; the middle lower ends of the four bed head columns 25 are respectively provided with a second limit pin 251 which is used for limiting the highest position of the lower cross beam assembly 110, namely, when the guard rail moves upwards, the lower cross beam assembly 110 stops moving upwards when contacting with the second limit pin 251. The second stopper pin 251 is provided with a coil spring 253, and the other end of the coil spring 1253 is mounted on a coil spring fixing piece provided at the left end of the lower beam assembly 110 and fixed by a coil spring fixing bolt 254. The upward movement of the guard rail member structure can be mitigated by the resistance to the upward movement provided by the coil spring 253.

This children's medical bed, not only easy operation can effectively prevent the potential safety hazard because of the maloperation brings again.

The embodiment is only an illustration of the concept and implementation of the present invention, and is not a limitation, and the technical solution without substantial transformation is still within the protection scope under the concept of the present invention.

Claims

1. A children's medical bed which characterized in that: the bed plate lifting mechanism comprises a walking underframe assembly, a front lifting shaft assembly, a rear lifting shaft assembly, a bed plate upper frame assembly and a guardrail assembly, wherein the walking underframe assembly comprises an underframe, trundles and brake pedals;

2. The children's care bed of claim 1, wherein: the front lifting shaft assembly comprises a twenty-type lifting shaft I, an intermediate shaft A and a front electric push rod, wherein two sides of the lower end of the twenty-type lifting shaft I are slidably connected with inner side guide grooves of longitudinal beams of a chassis in the walking chassis assembly;

3. The children's care bed of claim 1, wherein: the guardrail component comprises a left guardrail part, a right guardrail part, a bed head guardrail part and a bed tail guardrail part, wherein the left guardrail part and the right guardrail part are symmetrically arranged at the left side and the right side of the bed frame, and the bed head guardrail part and the bed tail guardrail part are symmetrically arranged at the front end and the rear end of the bed frame; the left guardrail part is matched with two bedside uprights at the left side of the bedstead, the right guardrail part is matched with two bedside uprights at the right side of the bedstead, the bedside guardrail part is matched with two bedside uprights at the front end of the bedstead, and the tailstock guardrail part is matched with two bedside uprights at the rear end of the bedstead; the left guardrail part, the right guardrail part, the bed head guardrail part and the bed tail guardrail part adopt the same guardrail part structure; the left guardrail component, the right guardrail component, the bed head guardrail component and the bed tail guardrail component are respectively provided with two guardrail unlocking devices which are arranged in a bilateral symmetry mode.

4. The children's care bed of claim 3, wherein: the guardrail part structure comprises a telescopic upright post assembly, an upper cross beam assembly and a lower cross beam assembly; the telescopic upright post assemblies are uniformly distributed between the upper cross beam assembly and the lower cross beam assembly and comprise a thick pipe, a thin pipe, a limiting sleeve B, a sliding lock catch A and a sliding lock catch B, mounting holes are respectively formed in the two ends of the thick pipe and the thin pipe, the limiting sleeve B is mounted at the lower end of the thick pipe, the sliding lock catch A and the sliding lock catch B are mounted at the upper end of the thin pipe, and the lower end of the thin pipe is inserted into the upper end of the thick pipe;

5. The children's care bed of claim 4, wherein: the limiting sleeve B is arranged at the lower end of the inner wall of the thick pipe in a matched manner through a boss arranged on the limiting sleeve B and a mounting hole at the lower end of the thick pipe, and the sliding lock catch A and the sliding lock catch B are respectively fixed at the upper end of the outer wall of the thin pipe in a matched manner through a boss arranged on the limiting sleeve B and a mounting hole at the upper end of the thin pipe; the limiting sleeve A is in a hollow conical shape, and the limiting sleeve A and the limiting shaft form an expansion wire type connecting structure.

6. The children's care bed of claim 4, wherein: the guardrail unlocking device comprises a locking rod assembly, a locking wrench assembly and a limit stop, wherein the locking rod assembly is arranged in the cross beam A, the locking wrench assembly is arranged on the lower side of the cross beam B, and the limit stop is arranged in the upright column of the bed head;

7. The children's care bed of claim 6, wherein: when the shifting fork arm is assembled, the axial line from the upper end of the shifting fork arm to the lower end of the shifting fork arm is consistent with the main axis direction of an L-shaped handle arranged at one end of the pull rod; the spanner seat top symmetry is equipped with two bosss, and two bosss on the spanner seat clamp respectively the edge at the pilot hole that sets up on crossbeam B and arm-tie via hole when whole set of guardrail unlocking device is in locking state.

8. The children's care bed of claim 6, wherein: the roller is arranged at one end of the pull rod with the L-shaped handle through a bearing, the bed head upright post is provided with a track, and the roller slides up and down along the track; the lower end of the shifting fork arm is hinged with the upper end of the pull plate, and the lower end of the pull plate is hinged with the upper side of the wrench cover.

9. The children's care bed of claim 6, wherein: the lower ends of the four bed head stand columns are respectively provided with a lowest position which is used for limiting the movement of the lower cross beam assembly with a first limiting pin; the lower extreme is equipped with the second spacer pin respectively in four head of a bed stands and is used for restricting the highest position of lower beam assembly.

10. The children's care bed of claim 9, wherein: and a coil spring is installed on the second limiting pin, and the other end of the coil spring is installed on a coil spring fixing sheet arranged at the left end of the lower cross beam assembly.