CN209790227U

CN209790227U - Nursing bed convenient for patient transfer

Info

Publication number: CN209790227U
Application number: CN201822142458.7U
Authority: CN
Inventors: 林芝; 陶洁茹; 金平湖
Original assignee: Second Affiliated Hospital and Yuying Childrens Hospital of Wenzhou Medical University
Current assignee: Second Affiliated Hospital and Yuying Childrens Hospital of Wenzhou Medical University
Priority date: 2018-12-12
Filing date: 2018-12-12
Publication date: 2019-12-17
Anticipated expiration: 2028-12-12

Abstract

The utility model relates to a nursing bed convenient for patient transfer, which comprises a bed body and a guardrail connected with the bed body through a turnover connecting device, wherein the inner side wall of the guardrail is provided with a mounting groove, a support connected with the turnover connecting device is arranged in the mounting groove, at least one side of the guardrail is hinged on the support, the guardrail can be turned to a horizontal state along the upper edge part towards the upper edge beam of the bed body, a lock mechanism which is locked on the support when the guardrail is in a longitudinal state is arranged between the guardrail and the support, the guardrail is provided with a bed-moving auxiliary position corresponding to the upper edge beam of the bed body at a hinged fulcrum position, a position locking device which locks and unlocks the guardrail at the bed-moving auxiliary position is arranged between the guardrail and the bed body, the outer side surface of the guardrail is provided with a bed-moving auxiliary rolling shaft device convenient for the patient to move over from the outer side surface of the, the bottom of the guardrail is provided with a connecting device. The auxiliary patient transfer is realized by effectively utilizing the sickbed guardrail, and the sickbed has the advantage of simple and compact structure.

Description

Nursing bed convenient for patient transfer

Technical Field

the utility model relates to the technical field of medical equipment, the bed that the patient crouched and lies exactly says so.

Background

during a patient's stay in a hospital, there are many times when there is a need to transfer from bed to bed, such as emergency admission, bed to operating room, operating room to ward, and so on. The traditional patient transfer between beds is realized by lifting the patient by a plurality of people, but inconvenience is caused by the fact that two sickbeds are arranged side by side.

In order to solve the technical problems, the sickbed is improved at present so as to facilitate the transfer of patients; however, in the prior art, the bed board is designed to be movable, such as a hospital bed (with an authorized publication number of CN 205515274U) for facilitating patient transfer, which is disclosed in the patent document with a chinese patent number of 201620168121.1, or a device (with an authorized publication number of 205019280U) for facilitating transfer of critically ill patients to a CT bed for detection, which is disclosed in the patent document with a chinese patent number of 201520750260.0. The bed board is improved to be a horizontal moving type structure by the structure, and the defect of complex structure exists.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the invention purpose: in order to overcome the defects existing in the prior art, the utility model provides a nursing bed which effectively utilizes the guardrails of the sickbed to realize the transfer of auxiliary patients and has the advantage of simple and compact structure.

In order to achieve the above purpose, the utility model provides a following technical scheme:

The utility model provides a nursing bed convenient to patient shifts, includes the bed body, and the horizontal both sides of bed body are equipped with the guardrail, the guardrail is connected on the bed body through upset connecting device to have the protection position that upper hem corresponds to the roof beam of lower limb and bed body and the storage position that the roof beam of the upper limb portion of lower hem and bed body corresponds, the guardrail inside wall is equipped with the mounting groove, installs the support of being connected with upset connecting device in the mounting groove, its characterized in that: at least one side the guardrail articulate on the support, the guardrail can be followed the top edge and overturn to the horizontality to bed body roof beam direction, lock the latch mechanism on the support when having the guardrail longitudinal condition between guardrail and the support, the guardrail have articulated fulcrum position with the bed auxiliary position that moves that bed body roof beam corresponds, have between guardrail and the bed body with the guardrail move the position locking device of locking and unblock on the bed auxiliary position, the lateral surface of guardrail is equipped with the supplementary roller bearing device of moving of being convenient for patient from the guardrail lateral surface and crossing, the top edge portion detachable overlap joint of guardrail is on the roof beam of bed body, the bottom of guardrail is equipped with the connecting device who carries out the connection with the bed body of the required conversion of patient.

The utility model discloses an at least one side guardrail of nursing bed has traditional guardrail function and can regard as and move a bed auxiliary function: when the guardrail is normally used, the guardrail is fixed with the support in a longitudinal state through the lock mechanism, and the guardrail is switched between a protection position and a storage position through the turnover connecting device; when patient need trade a bed operation, with the guardrail swing to moving a bed auxiliary position and realize the locking of position through position locking device, later the locking mechanism removes the locking between guardrail and the support, the guardrail can overturn to the horizontality, guardrail lateral surface (area move a supplementary roller device) up, the top edge overlap joint of guardrail is on the roof beam of bed body, the lower extreme connecting device of guardrail is connected with the bed body of the required conversion of patient, thereby form the platform between two sick beds with the help of the guardrail, then can directly stimulate the sheet and pass through patient from the guardrail, realize the transfer of patient between two sick beds, it reaches laborsaving effect to move a supplementary roller device. The utility model has the advantages that the nursing bed is improved to form the bed moving assistance, and the structure is compact; and it can directly carry out the transformation design (operation is changed to one side guardrail) to current sick bed and can realize the increase of new function, and need not to change whole bed body, and the facilitate promotion is used.

Preferably, move a supplementary roller device of bed including the roller group of locating guardrail length direction both sides position and be located the sliding seat of guardrail length direction middle part position, be equipped with the roller chamber on the lateral surface of guardrail, the roller group is located the roller chamber, the roller of roller group is arranged along guardrail width direction, be equipped with two mutual disposition's direction track groove on the guardrail, the direction track groove extends along guardrail width direction, the sliding seat bottom is equipped with the gyro wheel, and the sliding seat cooperates and can remove between guardrail upper edge and lower limb in the direction track inslot through gyro wheel location direction, mounting groove on the guardrail inside wall is located guardrail length direction middle part position, and the mounting groove corresponds between two direction track grooves. Under the structural design, the support for connecting the turnover connecting device and the guardrail is correspondingly arranged at the middle position of the guardrail, the installation characteristics of the existing guardrail are met, the movable seat avoids the position of an installation groove for installing the support, the structure is compact, when the device is used, the leg and back positions of a patient are assisted by the roller group, and the waist position of the patient is moved to the movable seat, so that labor-saving operation of the patient in the transferring process is realized; reduce the labor intensity of medical personnel and improve the comfort and the safety of patients.

Preferably, move a supplementary roller bearing device and still including the activity set up in the extension board of guardrail bottom, connecting device locates the extension board bottom, and the extension board has the position of drawing in and stretching out along the guardrail bottom of folding on the guardrail, be equipped with on the extension board with guide rail groove one-to-one complex extension track the extension board is expanded when the guardrail bottom the sliding seat can slide to extending on the track, is equipped with the cavity on the extension board, is equipped with in the cavity and moves a supplementary axle. Under this structural design, the extension of guardrail is realized to the extension board, compensaties the guardrail and is moving the too narrow problem of bed auxiliary function when using, and the extension board can be folded on the guardrail simultaneously, avoids the guardrail too wide when regard as guardrail function itself.

Preferably, the roller cavity is opened towards one side of the bottom of the guardrail, the extension plate comprises a telescopic part which is slidably inserted into the roller cavity along the opening side of the roller cavity to form the extension plate which can be telescopically overlapped on the guardrail, the bottom of the telescopic part is integrally formed with a fixed beam, a connecting device is arranged on the fixed beam, the middle part of the telescopic part is provided with a yielding cavity corresponding to the middle part between the two roller cavities of the guardrail, the telescopic part is divided into two transverse parts by the yielding cavity, the two parts of the telescopic part are connected by the fixed beam, the extension track is arranged on the side wall of the fixed beam in the yielding cavity, inserting grooves are arranged on two sides of the bottom of the guide track groove, the extension track comprises two L-shaped track strips which are oppositely arranged, the L-shaped track strips are slidably fitted into the inserting grooves, the two L-shaped track strips form an extension track groove for bearing rollers on the movable seat, and the bottom of the extension track groove is flush with, the roller set includes a compressible roller mechanism that is compressible and expandable along the open side of the roller cavity to the other side, the compressible roller mechanism comprises roller slide seats and movable rollers rotatably arranged on the roller slide seats, the roller slide seats are sequentially arranged at intervals from the opening side of the roller cavity to the other side, supporting springs are arranged in the intervals between the roller slide seats, two transverse sides of the roller cavity are respectively provided with a positioning guide groove, the roller slide seats are in sliding fit in the positioning guide grooves, the two transverse parts of the telescopic part are respectively provided with a side part which is correspondingly inserted and matched in the positioning guide groove, the side part of the telescopic part is in pushing fit with a roller slide seat of the compressible roller mechanism close to the opening side of the roller cavity, therefore, the telescopic part forming the extension plate can be pushed, inserted and stacked in the roller cavity, and an extension plate limiting mechanism for keeping the extension plate at a folding position and a unfolding position is arranged between the extension plate and the guardrail. Under the structural design, when the extension plate is at the unfolding position, the roller slide seat of the compressible roller mechanism is unfolded under the action of the supporting spring, so that all rollers of the roller group are orderly arranged along the roller cavity to realize the guiding action in the moving process of a patient; when the extension plate is in a folded position, the telescopic part of the extension plate is inserted into the roller shaft cavity, and the side part of the telescopic part pushes the roller shaft sliding seat to compress the supporting spring, so that the compressible roller shaft mechanism is compressed in the roller shaft cavity, and the roller shaft cavity forms a space for the telescopic part to enter; the extension board adopts to push away the formula cooperation of inserting with the guardrail and realizes folding and expansion, and the installation of extension board and the roller chamber on the folding make full use of guardrail have compact structure, the firm reliable advantage of cooperation.

Preferably, a guide shaft positioned in the positioning guide groove is fixed on the guardrail, a through shaft hole matched with the guide shaft is arranged on the roller slide seat, the roller slide seat and a support spring positioned in the same positioning guide groove are serially arranged on the guide shaft, the position of the corresponding side part of the extension plate is provided with a step shaft hole in a through way along the width direction, the small-diameter hole section of the step shaft hole is positioned at the initial end position of the extension part inserted in the roller cavity, the other end of the guide shaft, which is opposite to the end fixed on the guardrail, is inserted in the step shaft hole, one end of the guide shaft, which is arranged in the step shaft hole, is provided with a limit end, the limit end is in limit fit with the step surface of the step shaft hole to form a limit, the extension part is separated from the roller cavity when the extension plate is unfolded, a damping gas spring arranged along the extension direction of the extension plate is connected between, the extension plate is kept at the unfolding position through a damping gas spring, a guide shaft and a supporting spring, and the extension plate limiting mechanism used for keeping the extension plate at the folding position is a locking mechanism. Under this structural design, the guide shaft not only realizes the slide guide of roller bearing slide and supporting spring's reliable installation, and realizes extension board installation and spacing, makes the device firm and job stabilization reliable, and the damping air spring plays damping and cushioning effect, avoids the extension board too fast and the harm risk that arouses of moving speed under supporting spring's elasticity effect at the expansion in-process, is used for the extension board stop gear that the extension board kept in the position of drawing in to be latched device, simple structure.

Preferably, the turnover connecting device comprises a fixed seat fixed on the bed body, a pivoting arm for guiding the support to swing longitudinally is pivoted on the fixed seat, the pivoting arm comprises a pair of connecting bent arms which are oppositely arranged and a middle turnover arm positioned between the two connecting bent arms, the inner side of the support is hinged on the connecting bent arms and the middle turnover arm, a guardrail pneumatic damping spring is arranged between the two transverse sides of the middle turnover arm and the fixed seat, one end of the guardrail pneumatic damping spring is hinged at the middle position of the middle turnover arm, the other end of the guardrail pneumatic damping spring is hinged on the fixed seat, when the support swings to a position corresponding to the guardrail protection position, the connecting bent arms and the middle turnover arm are abutted against the inner side wall of the support to form a connecting bent arm and a middle turnover arm to position and support the guardrail, and a lever-shaped V-shaped locking plate is arranged at one end, be equipped with on the fixing base and correspond complex locking shaft with V type jam plate, V type jam plate is equipped with the bayonet socket towards the arm upper end of locking shaft, and another arm of V type jam plate corresponds the cooperation and has the handle, V type jam plate cooperation has one end lower hem of V type jam plate area bayonet socket to realize swinging to corresponding at the support bayonet socket card goes into the drive spring of locking shaft when guardrail protection position, and the one of taking the bayonet socket of handle drive V type jam plate is served and is put in order to realize the bayonet socket and throw off the locking shaft, position locking device is including installing the solenoid valve on the fixing base and connecting the spacing back shaft on the solenoid valve iron core, spacing back shaft can stretch out in the middle upset arm below and supply middle upset portion to articulate in the one end of fixing base through the solenoid valve drive and support. Under the structural design, the overturning connecting device adopts the existing structural design for realizing guardrail lifting type operation, the pivoting arm realizes overturning guide on the support, when the support is overturned to the guardrail protection position, the inner side surface of the support is abutted against the pivoting arm, and then locking between the middle overturning arm and the fixed seat is realized through the matching of the V-shaped locking plate and the locking shaft, so that the guardrail is limited on the protection position, and the pneumatic damping spring of the guardrail realizes the buffer action in the guardrail lifting type operation process; the solenoid valve realizes that guardrail longitudinal swing carries out corresponding operation to the guardrail to moving the advance location of a bed auxiliary position, the later stage of being convenient for, and the effect of auxiliary stay guardrail can be realized to upset connecting device simultaneously for the guardrail is more firm as moving a bed auxiliary type.

Preferably, magnetic attraction components matched with each other are arranged between the movable seat and the upper edge of the guardrail and between the movable seat and the fixed beam of the extension plate. Under this structural design, realize the movable seat in the position location of two upper and lower positions, guarantee to shift under initial condition at patient, the movable seat keeps at relevant position, assurance patient that can be better is moved to the movable seat on.

Preferably, the outer side surface of the guardrail is covered with a detachable shielding cloth. Under this structural design, when the guardrail bed normally used, sheltered from cloth and sheltered from the roller group on the guardrail lateral surface, more for pleasing to the eye.

The present invention will be further described with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic structural view of a guardrail at one side of a nursing bed convenient for patient transfer in an auxiliary state for patient transfer according to an embodiment of the present invention;

FIG. 2 is a schematic view of a nursing bed for facilitating patient transfer according to an embodiment of the present invention;

Fig. 3 is a schematic view of an outer lateral structure of the guardrail in an expanded state according to the embodiment of the present invention;

fig. 4 is a schematic structural view of the guardrail of the embodiment of the present invention in a folded state;

FIG. 5 is a schematic view of a mechanism for coupling an extension plate to a compressible roller according to an embodiment of the present invention;

FIG. 6 is a schematic diagram of an extended plate structure according to an embodiment of the present invention;

FIG. 7 is a schematic view of a lock mechanism according to an embodiment of the present invention;

FIG. 8 is a simplified structural diagram of a latch mechanism according to an embodiment of the present invention;

FIG. 9 is a schematic view of a lock structure of the turnover connection device according to an embodiment of the present invention;

Fig. 10 is a schematic view of an inner side structure of a guardrail according to an embodiment of the present invention.

Detailed Description

referring to the attached drawings 1-10, the utility model discloses a nursing bed convenient for patient transfer, which comprises a bed body 1, the bed body 1 generally comprises a bed frame 1-1, a bed board 1-2 and a mattress 1-3, other lifting mechanisms and functional parts on the bed body are omitted in the drawing, two lateral sides of the bed body 1 are provided with guardrails 2, the guardrails 2 are installed on the bed frame of the bed body 1, the guardrails 2 are connected on the bed body 1 through an overturning connecting device 3 and have a protection position corresponding to an upper edge beam of the bed body 1 from upper swing to lower swing and a storage position corresponding to the upper edge beam of the bed body 1 from lower swing to upper edge, the guardrails 2 are provided with inner side wall mounting grooves 20, supports 21 connected with the overturning connecting device 3 are installed in the mounting grooves 20, the guardrails 2 on at least one side are hinged on the supports 21, the guardrails 2 can be overturned to a horizontal state along the upper edge beam direction of the, the guardrail 2 and the support 21 are provided with a lock mechanism 4 which is locked on the support 21 when the guardrail 2 is in a longitudinal state, the guardrail 2 cannot be turned up randomly when the lock mechanism 4 plays a protection role, the lock mechanism 4 can be arranged on the side edge of the installation groove 20 and comprises a pin shaft 41, a reset spring 42, a button 43 and a lock pin 44, the pin shaft 41 is axially matched on the support 21 in a sliding mode, the end part of the drive pin of the reset spring is withdrawn from the side edge of the installation groove to unlock the guardrail and the support, the pin shaft 41 is provided with an annular clamping groove 411, the lock pin is vertically arranged with the pin shaft, the lock pin is provided with a notch 441, the pin shaft is matched with a compression spring 45 which drives the notch of the pin shaft to be staggered with the pin shaft, the pin shaft is pressed to compress the reset spring to store energy when in a locking state, the lock, the pin shaft is unlocked under the action of the return spring, and the same pin shaft is clamped into the notch of the lock pin; guardrail 2 have articulated fulcrum position with the bed auxiliary position that moves that 1 roof beam of bed body corresponds, have between guardrail 2 and the bed body 1 with guardrail 2 in the position locking device 5 that moves the locking and unblock on the bed auxiliary position, the lateral surface of guardrail 2 is equipped with the auxiliary roller bearing device that moves of being convenient for patient from the guardrail lateral surface and crossing, the upper portion detachable overlap joint of guardrail 2 is on the roof beam of bed body 1, the bottom of guardrail 2 is equipped with and carries out connecting device 7 of being connected with the bed body of the required conversion of patient.

The auxiliary roller device for moving the bed comprises roller groups arranged at two sides of the length direction of the guardrail 2 and a movable seat 22 arranged at the middle position of the length direction of the guardrail 2, wherein a roller cavity 23 is arranged on the outer side surface of the guardrail 2, the roller groups are arranged in the roller cavity 23, the rollers of the roller groups are arranged along the width direction of the guardrail 2, the surface of the rollers is slightly higher than the top surface of the guardrail 2, so that the supporting function of the rollers can be better exerted, two oppositely arranged guide rail grooves 24 are arranged on the guardrail 2, the guide rail grooves 24 extend along the width direction of the guardrail, rollers are arranged at the bottom of the movable seat 22, the movable seat 22 can move between the upper edge and the lower edge of the guardrail 2 in the guide rail grooves 24 through roller positioning guide, a movable seat yielding cavity for the panel of the movable seat 22 to be placed in is arranged on the guardrail 2, the top surface of the panel of the movable seat 22, the mounting groove 20 on the inside wall of the guardrail 2 is positioned in the middle of the guardrail 2 in the length direction, and the mounting groove 20 corresponds to the position between the two guide rail grooves 24. The support for connecting the turnover connecting device and the guardrail is correspondingly arranged at the middle position of the guardrail, the installation characteristics of the existing guardrail are met, the movable seat avoids the position of an installation groove for installing the support, the structure is compact, when the support is used, the leg and back positions of a patient are assisted by the roller group, and the waist position of the patient is moved to the movable seat, so that labor-saving operation of the patient in the transfer process is realized; reduce the labor intensity of medical personnel and improve the comfort and the safety of patients.

Wherein, the turnover connecting device 3 comprises a fixed seat 31 fixed on the bed body 1, a pivoting arm for guiding the support 21 to swing longitudinally is pivoted on the fixed seat 31, the pivoting arm comprises a pair of connecting bent arms 32 arranged oppositely and a middle turnover arm 33 positioned between the two connecting bent arms 32, the inner side of the support 21 is hinged on the connecting bent arms 32 and the middle turnover arm 33, a pneumatic guardrail damping spring 34 is arranged between the two transverse sides of the middle turnover arm 33 and the fixed seat 31, one end of the pneumatic guardrail damping spring 34 is hinged on the middle position of the middle turnover arm 33, the other end of the pneumatic guardrail damping spring 34 is hinged on the fixed seat 31, when the support 21 swings to the protection position corresponding to the guardrail, the connecting bent arms 32 and the middle turnover arm 33 are abutted against the inner side wall of the support 21 to form the positioning support of the connecting bent arms 32 and the middle turnover arm 33 for the guardrail 2, a V-shaped locking plate 35 of a lever is arranged at one end position of the middle turnover arm, the fixing seat 31 is provided with a locking shaft 37 which corresponds to the V-shaped locking plate 35 in a matched mode, the upper end portion of the V-shaped locking plate 35, facing the locking shaft 37, is provided with a bayonet, the other arm portion of the V-shaped locking plate 35 is correspondingly matched with a handle 38, the V-shaped locking plate 35 is matched with one end, provided with the bayonet, of the V-shaped locking plate 35 to swing downwards so as to realize that the bayonet is clamped into a driving spring 36 of the locking shaft 37 when the support 21 swings to correspond to the protection position of the guardrail, the handle 38 drives one end, provided with the bayonet, of the V-shaped locking plate 35 to swing upwards so as to realize that the bayonet is separated from the locking shaft 37, the overturning connecting device adopts the existing structural design for realizing the lifting and pulling type operation of the guardrail, the pivoting arm realizes the overturning guide of the support, when the support overturns to the protection position of the guardrail, the inner side surface of the support is abutted against the pivoting arm, and then the locking between the, pneumatic damping spring of guardrail realizes the cushioning effect of guardrail lift-draw formula operation in-process, based on above-mentioned upset connecting device, position locking device 5 is including installing the solenoid valve on fixing base 31 and connecting the spacing back shaft on the solenoid valve iron core, the spacing back shaft can stretch out in the middle of 33 below of upset arms and supply middle upset portion to articulate in the one end support of fixing base 31 through the solenoid valve drive. The utility model adopts the design of the electromagnetic valve which limits and supports the bottom position of the corresponding middle turnover arm to limit the position of the turnover connecting device, and has simple structure; the solenoid valve realizes that guardrail longitudinal swing carries out corresponding operation to the guardrail to moving the advance location of a bed auxiliary position, the later stage of being convenient for, and the effect of auxiliary stay guardrail can be realized to upset connecting device simultaneously for the guardrail is more firm as moving a bed auxiliary type. Under this linkage, it is more convenient to the repacking of sick bed, directly with the fixing base from the bed body under the dismantlement, then change the utility model discloses a guardrail can be accomplished.

Because most circumstances, two beds of realization cross-over connection that the width of guardrail can not be fine, and the simple widening design with the guardrail can satisfy some demands, also can save the cost, nevertheless for the utility model discloses a better adaptation operation requirement of guardrail, move a supplementary roller bearing device and still set up in the extension board 6 of 2 bottoms of guardrail including the activity, connecting device locates extension board 6 bottom, and extension board 6 has the position of drawing in and stretching out along 2 bottoms of guardrail on folding in on guardrail 2, be equipped with on the extension board 6 with the extension track 61 of guide track groove 24 one-to-one complex the extension track 61 when extension board 6 expandes in guardrail 2 bottoms the sliding of sliding seat 22 is to on the extension track 61, is equipped with cavity 60 on the extension board 6, is equipped with in the cavity 60 and moves a supplementary axle 62. The extension of guardrail is realized to the extension board, remedies the guardrail and is moving the too narrow problem of bed auxiliary function when using, and the extension board can be folded on the guardrail simultaneously, avoids the guardrail too wide when as guardrail function itself.

the extension plate can be folded in a telescopic way or in a turnover way, the embodiment preferentially adopts telescopic folding, and the specific structure is as follows: the roller cavity 20 is opened towards one side of the bottom of the guardrail 2, the extension plate 6 comprises a telescopic part 6-1 which is arranged in the roller cavity 20 along the opening side of the roller cavity 20 in a sliding and inserting mode to form the extension plate 6 which can be telescopically overlapped on the guardrail 2, a fixed beam 6-2 is integrally formed at the bottom of the telescopic part 6-1, a connecting device is arranged on the fixed beam 6-2, a yielding cavity 6-3 corresponding to the middle part between the two roller cavities 20 of the guardrail 2 is arranged in the middle of the telescopic part 6-1, the telescopic part 6-1 is divided into two transverse parts through the yielding cavity 6-3, the two parts of the telescopic part 6-1 are connected through the fixed beam 6-2, the extension rail 61 is arranged on the side wall of the fixed beam 6-2 in the yielding cavity 6-3, inserting grooves 241 are arranged on the two sides of the bottom of the guide rail groove 24, the extension rail 61 comprises two L-shaped rail strips 61-1 which are oppositely arranged, the L-shaped track strips 61-1 are slidably fitted in the insertion grooves 241, the two L-shaped track strips 61-1 form an extended track groove 611 for receiving the roller on the movable seat 22, the bottom of the extended track groove 611 is flush with the bottom of the guide track groove 24, the roller set comprises a compressible roller mechanism 25 which can be compressed and expanded along the other side of the opening side of the roller cavity 20, in the embodiment, as shown in the figure, the roller set further comprises a fixed roller 26, the compressible roller mechanism comprises a roller slide seat 251 and a movable roller 252 rotatably arranged on the roller slide seat 251, the roller slide seats 251 are sequentially arranged at intervals from the other side of the opening side of the roller cavity, a supporting spring 253 is arranged in the interval between the roller slide seats, the two transverse sides of the roller cavity 20 are respectively provided with a positioning guide groove 200, the roller slide seat 251 is slidably fitted in the positioning guide grooves 200, and the two transverse parts of the telescopic part 6-1 are respectively provided with side parts 6-shaped to be inserted in the positioning guide 11, the side part 6-11 of the telescopic part 6-1 is in pushing fit with the roller slide seat 251 of the compressible roller mechanism 25 close to the opening side of the roller cavity 20, so that the telescopic part 6-1 of the extension plate 6 can be pushed, inserted and stacked in the roller cavity 20, and an extension plate limiting mechanism for keeping the extension plate 6 at the folding position and the unfolding position is arranged between the extension plate 6 and the guardrail 2. When the extension plate is in the unfolding position, the roller slide seat 251 of the compressible roller mechanism is unfolded under the action of the supporting spring, so that all rollers of the roller group are orderly arranged along the roller cavity to realize the guiding action in the moving process of the patient, and the extension track on the extension plate is matched with the guide track groove to ensure that the two rollers are reliably matched, thereby facilitating the movement of the roller of the movable seat; when the extension plate is in the folding position, the telescopic part of the extension plate is inserted into the roller shaft cavity, and the side part of the telescopic part pushes the roller slide seat 251 to compress the supporting spring, so that the compressible roller mechanism is compressed in the roller shaft cavity, and the roller shaft cavity forms a space for the telescopic part to enter; the extension board adopts to push away the formula cooperation of inserting with the guardrail and realizes folding and expansion, and the installation of extension board and the roller chamber on the folding make full use of guardrail have compact structure, the firm reliable advantage of cooperation. The extension plate can be driven by a motor, an air cylinder and other driving devices, and can also be driven by a rocking handle matched with a screw and nut mechanism, and the extension plate can be operated in a direct push-pull mode based on the consideration of convenience and structural simplicity of operation.

The guardrail 2 is fixed with a guide shaft 28 positioned in the positioning guide groove 200, the roller slide seat 251 is provided with a through shaft hole 2511 matched with the guide shaft 28, two ports of the through shaft hole 2511 are flared to facilitate the placement of a support spring 253, the roller slide seat 251 and the support spring 253 positioned in the same positioning guide groove 200 are arranged on the guide shaft 28 in series, the position of the side part 6-11 corresponding to the extension plate 6 is provided with a step shaft hole 6-12 along the width direction, the small-diameter hole section of the step shaft hole 6-12 is positioned at the initial end position of the extension part 6-1 inserted in the roller cavity 20, the other end of the guide shaft 28 opposite to the end fixed on the guardrail 2 is inserted in the step shaft hole 6-12, one end of the guide shaft 28 placed in the step shaft hole 6-12 is provided with a limit end, the limit end is in limit fit with the step surface of the step shaft hole 6-12 to limit the extension part 6-1 to be separated from the roller cavity 20 when the extension, the extension plate is characterized in that a damping gas spring 8 arranged along the extension direction of the extension plate 6 is connected between the fixed beam 6-2 and the guardrail 2, the damping gas springs 8 are arranged at the two transverse ends of the fixed beam 6-2, the extension plate 6 is kept at the unfolding position through the damping gas springs 8, the guide shaft 28 and the support spring 253, and an extension plate limiting mechanism used for keeping the extension plate 6 at the folding position is a locking mechanism 9. The guide shaft not only realizes the slide guide of the roller slide seat and the reliable installation of the supporting spring, but also realizes the installation and the limitation of the extension plate, so that the device is stable and reliable in working stability, the damping gas spring plays roles of damping and buffering, the damage risk caused by the excessively high moving speed of the extension plate under the elastic action of the supporting spring in the unfolding process is avoided, and the extension plate limiting mechanism for keeping the extension plate at the folding position is a locking mechanism and has a simple structure. As shown in the drawings, the locking mechanism is conventional in the mechanical field, and the special design is that the unlocking operation of the lock catch depends on the operation of a pressing key, so that the operation part of the locking mechanism does not protrude out of the surface of the guardrail, as shown in fig. 9, the specific structure is as follows: including activity hasp subassembly and fixed tapered end 91, fixed tapered end 91 is the axle that is equipped with on the U type seat, be equipped with the chamber that supplies activity fore shaft subassembly to put into the installation on guardrail 2, activity hasp subassembly includes lever-like buckle 92, buckle 92 middle part articulates on guardrail 2 and the cooperation has torsional spring 93, the front end of buckle 92 is equipped with the fore shaft, buckle 92 rear end cooperation has press key 94, push away to insert folding back that targets in place at the extension board, the jack-up buckle of fixed tapered end and the card are gone into and are realized locking in the fore shaft of buckle, during the unblock operation, press the press key, make the fore shaft of buckle lift with fixed tapered end throw off, then the extension board is automatic the flicking under the promotion of compressible.

In order to position the movable seat at the initial position, magnetic attraction components which are in magnetic attraction fit are arranged between the movable seat 22 and the upper edge of the guardrail 2 and between the movable seat 2 and the fixed beam 6-2 of the extension plate 6. The subassembly can adopt the cooperation of permanent magnet and permanent magnet or the cooperation of permanent magnet and iron to inhale the subassembly, and the adoption in this embodiment sets up the permanent magnet on the sliding seat to make the sliding seat can adsorb on guardrail upper edge portion and fixed beam, realize the position location of two upper and lower positions of sliding seat, guarantee that patient shifts under initial condition, the sliding seat keeps in relevant position, assurance patient that can be better is removed to the sliding seat on.

The guardrail 2 comprises a frame body 2-1 and a decorative plate 2-2, the decorative plate 2-2 comprises side decorative parts covering the two transverse sides of the frame body 2-1 and an upper decorative side plate covering the upper edge of the frame body 2-1, the side decorative parts are provided with ear holes to facilitate the operation of the guardrail, and shielding cloth 2-3 which can be uncovered is covered on the outer side surface of the guardrail 2. The permanent magnets 2-21 are arranged on the decorative plate, the permanent magnets or the iron buckles are arranged in a shielding mode to achieve the purpose that the shielding cloth is fixed on the decorative plate in a magnetic attraction mode, and when the guardrail bed is normally used, the shielding cloth shields the roller group on the outer side face of the guardrail, so that the guardrail bed is more attractive.

The hinged hole 21-1 of the support 21 and the guardrail 2 can be a strip-shaped hole, so that the guardrail can move back and forth to adjust the position in a horizontal state.

Claims

1. The utility model provides a nursing bed convenient to patient shifts, includes the bed body, and the horizontal both sides of bed body are equipped with the guardrail, the guardrail is connected on the bed body through upset connecting device to have the protection position that upper hem corresponds to the roof beam of lower limb and bed body and the storage position that the roof beam of the upper limb portion of lower hem and bed body corresponds, the guardrail inside wall is equipped with the mounting groove, installs the support of being connected with upset connecting device in the mounting groove, its characterized in that: at least one side the guardrail articulate on the support, the guardrail can be followed the top edge and overturn to the horizontality to bed body roof beam direction, lock the latch mechanism on the support when having the guardrail longitudinal condition between guardrail and the support, the guardrail have articulated fulcrum position with the bed auxiliary position that moves that bed body roof beam corresponds, have between guardrail and the bed body with the guardrail move the position locking device of locking and unblock on the bed auxiliary position, the lateral surface of guardrail is equipped with the supplementary roller bearing device of moving of being convenient for patient from the guardrail lateral surface and crossing, the top edge portion detachable overlap joint of guardrail is on the roof beam of bed body, the bottom of guardrail is equipped with the connecting device who carries out the connection with the bed body of the required conversion of patient.

2. A care bed for facilitating patient transfer as recited in claim 1, wherein: move a supplementary roller device including the roller set of locating guardrail length direction both sides position and be located the sliding seat of guardrail length direction middle part position, be equipped with the roller chamber on the lateral surface of guardrail, the roller set is located the roller chamber, the roller of roller set is arranged along guardrail width direction, be equipped with two mutual disposition's direction track groove on the guardrail, direction track groove extends along guardrail width direction, the sliding seat bottom is equipped with the gyro wheel, and the sliding seat cooperates through gyro wheel location direction and can remove between guardrail upper edge and lower limb in the direction track inslot, mounting groove on the guardrail inside wall is located guardrail length direction middle part position, and the mounting groove corresponds between two direction track grooves.

3. A care bed for facilitating patient transfer as recited in claim 2, wherein: move a supplementary roller bearing device and still including the activity set up in the extension board of guardrail bottom, connecting device locates the extension board bottom, and the extension board has the position of drawing in and stretching out along the guardrail bottom of folding on the guardrail and expands the position, be equipped with on the extension board with guide rail groove one-to-one complex extension track the extension board expands when the guardrail bottom the sliding seat can slide to extending on the track, is equipped with the cavity on the extension board, is equipped with in the cavity and moves a auxiliary shaft.

4. A care bed for facilitating patient transfer as recited in claim 3, wherein: the roller cavity is opened towards one side of the bottom of the guardrail, the extension plate comprises a telescopic part which is inserted into the roller cavity along the opening side of the roller cavity in a sliding manner to form the extension plate which can be telescopically overlapped on the guardrail, the bottom of the telescopic part is integrally formed with a fixed beam, a connecting device is arranged on the fixed beam, the middle part of the telescopic part is provided with a abdicating cavity corresponding to the middle part between the two roller cavities of the guardrail, the telescopic part is divided into two transverse parts by the abdicating cavity, the two parts of the telescopic part are connected by the fixed beam, the extension track is arranged on the side wall of the fixed beam in the abdicating cavity, two sides of the bottom of the guide track groove are provided with inserting grooves, the extension track comprises two L-shaped track strips which are oppositely arranged, the L-shaped track strips are slidably matched in the inserting grooves, the two L-shaped track strips form an extension track groove for bearing the rollers on the movable seat, and, the roller set includes a compressible roller mechanism that is compressible and expandable along the open side of the roller cavity to the other side, the compressible roller mechanism comprises roller slide seats and movable rollers rotatably arranged on the roller slide seats, the roller slide seats are sequentially arranged at intervals from the opening side of the roller cavity to the other side, supporting springs are arranged in the intervals between the roller slide seats, two transverse sides of the roller cavity are respectively provided with a positioning guide groove, the roller slide seats are in sliding fit in the positioning guide grooves, the two transverse parts of the telescopic part are respectively provided with a side part which is correspondingly inserted and matched in the positioning guide groove, the side part of the telescopic part is in pushing fit with a roller slide seat of the compressible roller mechanism close to the opening side of the roller cavity, therefore, the telescopic part forming the extension plate can be pushed, inserted and stacked in the roller cavity, and an extension plate limiting mechanism for keeping the extension plate at a folding position and a unfolding position is arranged between the extension plate and the guardrail.

5. The care bed for facilitating patient transfer of claim 4, wherein: the guide shaft positioned in the positioning guide groove is fixed on the guardrail, the roller slide seat is provided with a through shaft hole matched with the guide shaft, the roller slide seat and the supporting spring positioned in the same positioning guide groove are serially arranged on the guide shaft, the position of the corresponding side part of the extension plate is provided with a step shaft hole in a through manner along the width direction, the small-diameter hole section of the step shaft hole is positioned at the initial end position of the extension part inserted in the roller cavity, the other end of the guide shaft, which is opposite to the end fixed on the guardrail, is inserted in the step shaft hole, the end of the guide shaft, which is arranged in the step shaft hole, is provided with a limiting end, the limiting end is in limiting fit with the step surface of the step shaft hole to form a limit, the extension part is separated from the roller cavity when the extension plate is unfolded, a damping gas spring arranged along the extension direction of the extension plate is connected between the fixed beam, The guide shaft and the supporting spring form the holding of the extension plate at the unfolding position, and the extension plate limiting mechanism used for holding the extension plate at the folding position is a locking mechanism.

6. A care bed for facilitating patient transfer according to claim 1 or 2 or 3 or 4 or 5, wherein: the turnover connecting device comprises a fixed seat fixed on the bed body, a pivoting arm for guiding the support to swing longitudinally is pivoted on the fixed seat, the pivoting arm comprises a pair of connecting bent arms which are oppositely arranged and a middle turnover arm positioned between the two connecting bent arms, the inner side of the support is hinged on the connecting bent arms and the middle turnover arm, a guardrail pneumatic damping spring is arranged between the transverse two sides of the middle turnover arm and the fixed seat, one end of the guardrail pneumatic damping spring is hinged at the middle position of the middle turnover arm, the other end of the guardrail pneumatic damping spring is hinged on the fixed seat, when the support swings to a position corresponding to the guardrail protection position, the connecting bent arms and the middle turnover arm are abutted against the inner side wall of the support to form a connecting bent arm and a middle turnover arm for positioning and supporting the guardrail, a lever-shaped V-shaped locking plate is arranged at one end position of the middle turnover arm pivoted on the fixed seat, a locking, v type jam plate is equipped with the bayonet socket towards the arm upper end of lock axle, and another arm of V type jam plate corresponds the cooperation and has the handle, V type jam plate cooperation has one end lower hem of V type jam plate area bayonet socket to swing to corresponding at the support the drive spring of lock axle is gone into to the bayonet socket card during guardrail protection position, and the one of taking the bayonet socket of handle drive V type jam plate is served and is put in order to realize the bayonet socket and throw off the lock axle, position locking device is including installing the solenoid valve on the fixing base and connecting the spacing back shaft on solenoid valve core, spacing back shaft can stretch out in the middle of the drive of solenoid valve upset arm below and supply middle upset portion to articulate in the one end of fixing base and support.

7. A care bed for facilitating patient transfer according to claim 2 or 3 or 4 or 5, wherein: and magnetic attraction components matched with each other are arranged between the movable seat and the upper edge part of the guardrail and between the movable seat and the fixed beam of the extension plate.

8. a care bed for facilitating patient transfer according to claim 4 or 5, wherein: the outer side surface of the guardrail is covered with a shielding cloth which can be uncovered.