CN112413371B

CN112413371B - Computer supporting device and method for sickbed

Info

Publication number: CN112413371B
Application number: CN202011240451.4A
Authority: CN
Inventors: 何金凤; 林浩; 闫凌维
Original assignee: Nantong University
Current assignee: Nantong University
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2022-05-13
Anticipated expiration: 2040-11-09
Also published as: CN112413371A

Abstract

The invention provides a computer supporting device and a computer supporting method for a sickbed, and belongs to the field of computer correlation. The technical scheme is as follows: the automatic lifting device comprises a lifting mechanism arranged on a bed tail plate, wherein an electric push rod is arranged at the bottom of the lifting mechanism, a steering mechanism is arranged at the upper end of the lifting mechanism, an extension mechanism is arranged on the steering mechanism, an inclined mechanism is arranged at the tail end of the extension mechanism, a supporting plate is arranged on the inclined mechanism, a blocking strip is arranged at the bottom of the supporting plate, and a computer is controlled by the blocking strip to slide downwards on the supporting plate. The invention has the beneficial effects that: whole strutting arrangement sets up at the footboard, convenient to use, electric putter provides the power source of lift for whole device, and elevating system guarantees that whole device vertical direction moves, and steering mechanism guarantees that extension mechanism changes into the horizontal direction motion by vertical direction, and extension mechanism can adjust the backup pad apart from patient's position, and the angle that tilt mechanism can effectual adjustment backup pad slope, and the backup pad is used for placing the computer, blocks that the strip effectively prevents the computer landing.

Description

Computer supporting device and method for sickbed

Technical Field

The invention relates to the technical field of computers, in particular to a computer supporting device and a supporting method for a sickbed.

Background

Clinically, a plurality of patients need to be in bed for rest or move on bed due to illness, some patients with relatively stable illness state can only put a computer on legs or beds for use when meeting the work needing emergency treatment, and after the patients keep one posture to use the computer, the shoulders and the back can generate certain fatigue feeling, which is not beneficial to the rehabilitation of the patients.

In order to solve the technical problem of fatigue of patients caused by putting a computer on legs or using the computer on a bed, a plurality of patients adopt a dining table plate carried by the patient bed as a computer support frame, and at present, the most common medical bed consists of two parts, namely a bed body and a dining table plate. Under the standard state, the dining table plate is arranged on the headboard, and the dining table plate can be arranged on the bed fence when people have meals, but the bedside of the medical bed is usually clung to the wall, so that the dining table plate is very inconvenient to arrange on the headboard.

In order to solve the inconvenience of placing the dining table board at the head of a bed, the chinese utility model patent of patent application No. CN02222399.1, entitled "foldable sick bed dining table" discloses following technical scheme, sets up the dining table in sick bed one side, when needs use the dining table, rotates earlier the carriage and makes the carriage keep vertical state, and the table is rotated again, when the table rotated to the contained angle for the carriage and reached the assigned position, adjustable triangular supports stabilized the table. Although the table of this patent has been solved and has been placed the table and bring awkward drawback at the head of a bed, this table can not be according to patient's height-adjusting to the position is not adjustable, is the tilt state when leaning on the bed board of turning up when patient's upper part of the body, still can cause inconvenient because of the position of sitting is improper. Meanwhile, the dining table is arranged on one side of the sickbed, so that when a patient needs to get off the sickbed, the patient can get off the sickbed inconveniently.

In order to solve the technical problem that the position of a dining table is not adjustable, the publication No. CN202457097U, entitled "folding table on medical bed", discloses in Chinese utility model, places the folding table on the bed, utilizes the desktop support frame to adjust the angle of the desktop as required for use, and this publication places the folding table on the bed, and when the position of the folding table needs to be adjusted, the patient needs to frequently move the folding table for use, and for the patient of abdominal operation, moving the folding table is not favorable to the healing of the upper part of the mouth.

In order to solve the technical problem that the height of the table plate can not be adjusted according to the height of a patient, the Chinese utility model patent entitled medical bed with leg supporting plate and table top plate, which is entitled as CN208372054U, discloses the following technical scheme, and the height of the table can be adjusted by adjusting the height of the protective guard.

Disclosure of Invention

The invention aims to provide a computer supporting device and a computer supporting method for a sickbed, and aims to solve the technical problems that a patient can only put a computer on legs or a bed, the patient is tired, a dining table is placed at a bedside and is inconvenient to use, the position of the dining table is not adjustable, and the height of the dining table cannot be adjusted.

The invention is realized by the following measures:

a computer supporting device for a sickbed comprises a lifting mechanism arranged on a bed tail plate, wherein an electric push rod is arranged at the bottom of the lifting mechanism, a steering mechanism is arranged at the upper end of the lifting mechanism, an extending mechanism is arranged on the steering mechanism, the lifting mechanism is used for driving the steering mechanism to ascend and descend in the vertical direction and further driving the extending mechanism to ascend and descend in the vertical direction, the steering mechanism controls the extending mechanism to convert the motion in the vertical direction into the motion in the horizontal direction, a tilting mechanism is arranged at the tail end of the extending mechanism, a supporting plate is arranged on the tilting mechanism, the tilting mechanism controls the tilting angle of the supporting plate, a blocking strip is arranged at the bottom of the supporting plate, and the blocking strip controls a computer to slide downwards on the supporting plate;

two guide plates are symmetrically arranged on the outer side surface of the bed tail plate, a connecting plate is arranged between the two guide plates, a channel is formed between the two guide plates, guide grooves are arranged on the inner side surfaces of the guide plates, which are opposite to each other, the guide grooves are vertically arranged, and the lifting mechanism is arranged in the channel;

the lifting mechanism comprises a screw rod transmission assembly, a rotating assembly and a turnover plate, the rotating assembly is arranged on the screw rod transmission assembly, the turnover plate is arranged on the rotating assembly, the screw rod transmission assembly controls the rotating assembly to move linearly, and the rotating assembly drives the turnover plate to turn over;

the turning plate is provided with the turning mechanism, the turning mechanism comprises a base, the tail end of the base is provided with a pivot, a turning seat is fixedly arranged on the pivot, one end of the pivot is provided with a driving assembly, the driving assembly controls the turning seat to do circular motion along the axis of the pivot, one end of the turning seat is connected with the pivot of the base, the other end of the turning seat is provided with a hollow square frame, and the extending mechanism is arranged in the square frame;

the extension mechanism comprises a sleeve, the outer side face of the sleeve is fixedly connected with the inner side face of the square frame, a rack is arranged in the sleeve, a wrench is arranged on the outer side wall of the sleeve, the front end of the wrench is hinged with the sleeve, a pawl is arranged at the bottom of the wrench, and the pawl is meshed with the rack;

rack one end sets up tilt mechanism, tilt mechanism includes the base, be provided with the pivot on the base, the fixed setting in pivot both ends the backup pad, be provided with the gear drive subassembly in the pivot, the gear drive subassembly control the pivot is rotatory and then control the angle of backup pad slope.

The invention has the beneficial effects that:

1. the invention has the beneficial effects that: the whole supporting device is arranged on the bed tail plate, the use is convenient, the problem that potential safety hazards are brought to a patient due to the fact that the supporting device is arranged on a bed head is avoided, meanwhile, the power supply above the bed head is not prevented from being used by medical equipment, the electric push rod is a power source for guaranteeing the lifting of the device, the lifting mechanism guarantees the whole device to move in the vertical direction, the use height of the supporting plate can be effectively adjusted according to the height of the patient, the steering mechanism guarantees the extending mechanism to move in the horizontal direction from the vertical direction, the position of the supporting plate away from the patient can be adjusted through the extending mechanism, the inclined angle of the supporting plate can be effectively adjusted through the inclined mechanism, the supporting plate can be adjusted according to the posture of the patient, the supporting plate is used for placing a computer, and the barrier strips effectively guarantee the computer to slide on the inclined supporting plate.

2. The deflector has the effect of direction, can guarantee that whole device moves in vertical direction, and the effect of connecting plate is used for fixed electric putter, and the passageway is used for holding whole elevating system, and the guide way has spacing effect for guarantee elevating system linear motion.

3. The screw rod transmission assembly has high transmission efficiency; the transmission precision is high, the movement is stable, and the creeping phenomenon is avoided; no idle stroke exists during reverse movement; the reversibility is realized; the service life is long; the screw rod transmission assembly can adjust the position of the whole turnover plate in the horizontal direction, and the turnover assembly can adjust the direction of the whole extension mechanism.

4. The steering mechanism plays a role in bearing up and down, the lifting mechanism, the steering mechanism and the extension mechanism are structurally independent, but supplement each other in function, the steering mechanism is not stacked by a simple structure, the movement direction of the extension mechanism is changed by the steering mechanism and is fixedly connected with the extension mechanism, a steering seat and a base in the steering mechanism are in a vertical state or a horizontal state, and the extension mechanism can be changed according to the state of the steering mechanism.

5. The sleeve provides a mounting position for the rack, the wrench is provided with a mounting position for the wrench, the wrench is hinged with the sleeve and can be lifted or pressed, the extension mechanism adopts a matching mode of a pawl and a rack, intermittent motion can be performed, and the moving distance of the rack is convenient to control.

6. The base provides the mounted position for gear drive assembly, and gear drive assembly provides the power source for the regulation of backup pad angle.

Further, the rack tail end is provided with a through hole, a bearing is arranged in the through hole, a fixing rod is arranged at the bottom of the base, the fixing rod is arranged in the bearing, the gear transmission assembly comprises a driving gear and a driven gear, a motor A is arranged on the base, the driving gear is arranged on an output shaft of the motor A, the driven gear is arranged on the rotating shaft, and the driven gear is meshed with the driving gear.

Adopt above-mentioned further beneficial effect: set up the through-hole on the rack and set up the bearing, can guarantee that whole tilt mechanism is rotatory in the horizontal plane circumference, the suitability is higher, and gear drive assembly transmission precision is high, can effectual assurance drive ratio, and application scope is wide, can realize the transmission between the arbitrary two axles in space such as parallel axis, intersect axle, staggered shaft, reliable operation, and long service life, transmission efficiency is high.

Further, the symmetry is provided with two support frames on the sheathed tube upper end lateral wall, be provided with the fixed axle on the support frame, the spanner front end is provided with the ear, the ear setting of spanner is in on the fixed axle, and set up two symmetries between the support frame, sheathed tube side is provided with the connecting rod, be provided with the torsional spring on the connecting rod, torsional spring one end with the connecting rod is connected, the other end with the fixed axle is connected, the tooth of rack becomes right trapezoid, every the tooth includes vertical face A, last horizontal plane and inclined plane, the pawl includes upper end and lower tip, the upper end of pawl with spanner pivotal connection, the lower tip of pawl includes vertical face B and lower inclined plane, when lifting during the spanner, vertical face B with vertical face A laminates.

Adopt above-mentioned further beneficial effect: the support frame provides the mounted position for the fixed axle, and the effect of torsional spring prevents because the lifting of spanner or press the rotation, and the tooth of rack becomes right trapezoid, can effectual drive rack forward movement to have contrary effect to the rack.

Further, the base with returning face plate fixed connection, drive assembly includes worm and worm wheel, be provided with little support on the returning face plate, set up on the little support the worm, be provided with motor B on the base lateral wall, motor B with the worm is connected, pivot one end sets up the worm wheel, the worm wheel sets up the base lateral surface, the worm wheel with the worm meshes.

Adopt above-mentioned further beneficial effect: the worm gear and the worm are used for transmitting motion and power between the two staggered shafts, the small support provides a mounting position for the arrangement of the worm, and the worm is prevented from moving in the axial direction.

Furthermore, the screw rod transmission assembly comprises two symmetrically arranged bottom frames, a bottom plate is arranged between the two bottom frames, a protrusion is arranged on the outer side of each bottom frame, the protrusion is arranged in the guide groove, a screw rod is arranged between the two bottom frames, guide rods are arranged on two sides of the screw rod, a slide block is arranged on the screw rod, two ends of the slide block are arranged on the guide rods, a threaded hole is formed in the center of the slide block, threads of the threaded hole correspond to external threads of the screw rod, a motor C is arranged at one end of the screw rod, the motor C is arranged on the outer side of one of the bottom frames, the rotating assembly comprises a worm sleeve A and a worm wheel B, each guide rod comprises a guide rod A and a guide rod B, the guide rods A are fixedly connected with the bottom frames, and the guide rods B are pivotally connected with the bottom frames, be provided with worm cover A on the guide bar B, worm cover A sets up in the slider, be provided with little support frame on the slider, be provided with the rotation axis on the little support frame, set up on the rotation axis worm wheel B, worm wheel B with worm cover A meshes, the fixed setting of rotation axis one end the returning face plate, guide bar B one end is provided with motor D, motor D sets up one of them the chassis outside, the connecting plate bottom sets up electric putter, electric putter's push rod seat sets up the connecting plate bottom, electric putter's piston rod passes the connecting plate with bottom plate fixed connection.

Adopt above-mentioned further beneficial effect: the bottom plate has the effect of bearing, and the guide way cooperation on arch on the bottom plate and the deflector can guarantee whole device linear motion, and the guide bar has direction and spacing effect, can guarantee that the slider is linear motion to can effectively guarantee that the slider does not take place rotatoryly, rotating assembly can guarantee that the returning face plate carries out 360 degrees rotations, and electric putter provides the power source of lift for whole device.

Further, the barrier rib is arranged along the width direction of the support plate.

Adopt above-mentioned further beneficial effect: the stop strip can effectually prevent that the computer landing in the backup pad.

A method of supporting a computer support for a patient bed, comprising the steps of:

the method comprises the following steps: arranging the sleeve of the extension mechanism in the frame of the steering mechanism and keeping the two fixed;

step two: fixing a base of a steering mechanism on the front surface of a turnover plate of a lifting device;

step three: a piston rod of the electric push rod penetrates through the connecting plate, and a push rod seat of the electric push rod is fixed at the bottom of the connecting plate;

step four: matching the bulge of the bottom plate with the guide groove of the guide plate, and fixedly connecting the piston rod of the electric push rod with the bottom of the bottom plate;

step five: starting a motor D, driving a guide rod B to rotate by the motor D, further driving a worm sleeve A to rotate, driving a worm wheel B to rotate by the worm sleeve A, further driving a turnover plate to rotate, turning the turnover plate 90 degrees anticlockwise, and turning off the motor D;

step six: the turnover plate rotates 90 degrees anticlockwise, the steering seat and the base are horizontally arranged to be in an initial state, and the extending mechanism is arranged along the width direction of the bed body at the moment;

step seven: starting the motor C, driving the screw rod to rotate by the motor C, further pushing the sliding block to move to a position suitable for the center of the body of the patient along the length direction of the screw rod, and turning off the motor C;

step eight: starting the electric push rod, pushing the lifting device to a certain height until the extension mechanism is above the bed tail plate, and closing the electric push rod;

step nine: starting the motor B, driving the worm to rotate by the motor B, further driving the worm wheel to rotate, finally driving the steering seat to rotate, keeping the steering seat and the base to be vertically arranged, and turning off the motor B;

step ten: starting a motor D to enable the motor D to rotate reversely, driving a guide rod B to rotate by the motor D so as to drive a worm sleeve A to rotate, driving a worm wheel B to rotate by the worm sleeve A so as to drive a turnover plate to rotate, clockwise turning the turnover plate by 90 degrees, keeping the front face upward, and turning off the motor D;

step eleven: pressing a spanner, and driving the rack to move to the body of a patient to a proper position through a pawl;

step twelve: starting the motor A, driving the driven gear to rotate by driving the driving gear by the motor A, and further controlling the rotating shaft to rotate, so that the angle of the supporting plate is adjusted to a proper position, and the motor A is closed;

step thirteen: placing the computer on the supporting plate, enabling the bottom of the computer to abut against the barrier strip, and enabling a patient to use the computer;

fourteen steps: after the patient uses the computer, the wrench is lifted, and the pushing rack moves reversely to the initial position;

step fifteen: starting the motor D to enable the motor D to rotate reversely, ensuring that the turnover plate rotates 90 degrees anticlockwise again, and turning off the motor D;

sixthly, the steps are as follows: starting the motor B to enable the motor B to rotate reversely, driving the worm to rotate by the motor B, further driving the worm wheel to rotate, finally driving the steering seat to rotate, keeping the steering seat and the base horizontally arranged, and turning off the motor B;

seventeen steps: starting the electric push rod, and driving the lifting device to descend by the electric push rod until the lifting device reaches the initial position;

eighteen steps: and repeating the fifth step to the seventeenth step to finish the next supporting process.

Drawings

FIG. 1 is a schematic view of the present invention.

Fig. 2 is a schematic structural view of a bed tail plate.

Fig. 3 is a schematic structural view of the bed tail plate and the lifting mechanism.

Fig. 4 is a partially enlarged view of a portion a of fig. 3.

Fig. 5 is a schematic structural view of the lifting mechanism.

Fig. 6 is a schematic structural view of the cooperation of the bed tail plate, the lifting mechanism and the steering mechanism.

Fig. 7 is a partial enlarged view of fig. 6 at B.

Fig. 8 is a schematic structural diagram of the cooperation of the lifting mechanism and the steering mechanism.

Fig. 9 is a schematic structural view of the cooperation of the footboard, the lifting mechanism, the steering mechanism and the extending mechanism.

Fig. 10 is a schematic view of the structure of the lifting mechanism, the steering mechanism and the extending mechanism.

Fig. 11 is a schematic structural view of the extension mechanism.

Fig. 12 is a schematic view of the structure of the extension mechanism cooperating with the tilt mechanism.

Fig. 13 is a schematic structural view of the tilting mechanism.

FIG. 14 is a schematic view of the combination of the lifting mechanism, the steering mechanism and the extending mechanism in the initial state of the present invention.

Fig. 15 is a schematic view of a patient using the present invention.

Wherein the reference numerals are: 1. a bed tail plate; 11. a guide plate; 111. a guide groove; 12. a channel; 2. a lifting mechanism; 21. the screw rod transmission assembly; 211. a chassis; 2111. a protrusion; 212. a screw rod; 213. a guide bar; 2131. a guide rod A; 2132. a guide rod B; 214. a slider; 215. a base plate; 22. a rotating assembly; 221. a worm sleeve A; 222. a worm wheel B; 23. a turnover plate; 3. a steering mechanism; 31. a base; 32. a pivot; 33. a steering seat; 331. a square frame; 34. a drive assembly; 341. a worm; 342. a turbine; 4. an extension mechanism; 41. a sleeve; 411. a support frame; 42. a rack; 43. a wrench; 44. a pawl; 45. a fixed shaft; 46. a connecting rod; 47. a torsion spring; 5. a tilting mechanism; 51. a base; 52. a rotating shaft; 53. a gear drive assembly; 531. a driving gear; 532. a driven gear; 6. a support plate; 7. a barrier strip; 8. an electric push rod.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

Referring to fig. 1 to 5, the present invention is a computer support device for a hospital bed, including a lifting mechanism 2 disposed on a bed tail board 1;

two guide plates 11 are symmetrically arranged on the outer side surface of the bed tail plate 1, a connecting plate is arranged between the two guide plates 11, a channel 12 is formed between the two guide plates 11, guide grooves 111 are arranged on the opposite inner side surfaces of the guide plates 11, the guide grooves 111 are vertically arranged, and the lifting mechanism 2 is arranged in the channel 12;

the lifting mechanism 2 comprises a screw rod transmission assembly 21, a rotating assembly 22 and a turnover plate 23, wherein the screw rod transmission assembly 21 is provided with the rotating assembly 22, the rotating assembly 22 is provided with the turnover plate 23, the screw rod transmission assembly 21 controls the rotating assembly 22 to move linearly, and the rotating assembly 22 drives the turnover plate 23 to turn over;

the screw rod transmission assembly 21 comprises two symmetrically arranged bottom frames 211, a bottom plate 215 is arranged between the two bottom frames 211, a protrusion 2111 is arranged on the outer side of the bottom frame 211, the protrusion 2111 is arranged in a guide groove 111, the bottom plate has a bottom-holding function on the bottom frames, the bottom plate is symmetrically arranged and mainly ensures the parallelism of the two bottom frames so as to facilitate the subsequent installation of a screw rod and a guide rod, protrusions are arranged on two sides of the bottom plate 215 and are arranged in the guide groove 111, in order to ensure that a lifting mechanism does linear motion, a mode of matching the protrusion and the guide groove is adopted, the design is simple, the screw rod 212 is arranged between the two bottom frames 211, the guide rods 213 are arranged on two sides of the screw rod 212, the bottom frames are mainly provided with the screw rod and the guide rods, the screw rod is arranged between the two guide rods so as to exert force on the center position of a sliding block, and the guide rods have a limiting function on the sliding block, prevent because the rotatory slider that drives of lead screw is rotatory, be provided with slider 214 on the lead screw 212, slider 214 both ends set up on guide bar 213, and slider 214 central point puts and is provided with the screw hole, and the screw thread of screw hole corresponds with the external screw thread of lead screw 212, and lead screw 212 one end is provided with motor C, and motor C sets up in one of them chassis 211 outside, and motor C provides invariable power source for the rotation of lead screw.

The rotating assembly 22 comprises a worm sleeve A221 and a worm wheel B222, the worm sleeve A is processed by cutting off a shaft at the center of the worm according to the diameter of the guide rod to form a hollow cylinder, the outer side surface of the cylinder is provided with rotating teeth, the worm sleeve A is sleeved on the guide rod B, compared with the method of cutting the guide rod B into two sections, the processing method of adding the worm in the middle is simpler, and the completeness of the guide rod B can be ensured.

The guide rod 213 comprises a guide rod A2131 and a guide rod B2132, the guide rod A2131 is fixedly connected with the bottom frame 211, the guide rod B2132 is pivotally connected with the bottom frame 211, a worm sleeve A221 is arranged on the guide rod B2132, the worm sleeve A221 is arranged in the sliding block 214, the sliding block can contain the worm sleeve A and a worm wheel B except for linear motion, the worm sleeve A and the worm wheel B are arranged on the sliding block and can ensure synchronous linear motion with the sliding block, a small support frame is arranged on the sliding block 214, a rotating shaft is arranged on the small support frame, a worm wheel B222 is arranged on the rotating shaft, the worm wheel B222 is meshed with the worm sleeve A221, a turnover plate 23 is fixedly arranged at one end of the rotating shaft, a protrusion is arranged at one end of the turnover plate close to the rotating shaft, the protrusion is machined in a size equal to the diameter of the rotating shaft, and the turnover plate is ensured to be in interference fit with the rotating shaft. Guide bar B2132 one end is provided with motor D, and motor D sets up in one of them chassis 211 outside, and motor D provides invariable power source for guide bar B's rotation, and the connecting plate bottom sets up electric putter 8, and electric putter 8's push rod seat sets up in the connecting plate bottom, and electric putter 8's piston rod passes connecting plate and bottom plate 215 fixed connection.

The lifting mechanism 2 can realize linear motion and also can realize rotary motion.

The working principle of the screw rod transmission assembly is as follows: the starter motor C, it is rotatory that motor C's output shaft drives the lead screw, and the central point of the slider on the lead screw puts the internal thread that sets up and lead screw thread fit, and under the spacing of guide bar, linear motion is to the slider along the length direction of lead screw, and after the slider moved suitable position on the lead screw, the preferred here was when being in patient's health central point and putting, closed motor C, and the slider no longer removes.

The working principle of the rotating assembly in the invention is as follows: after motor C stopped moving, motor D was started, and motor D drive guide bar B was rotatory, and then driven worm cover A rotatory, and worm cover A and worm wheel meshing, therefore the worm wheel is rotatory, and then driven the rotation axis rotatory, because the rotation axis is interference fit with the returning face plate, consequently the returning face plate can be rotatory according to the rotation of rotation axis.

Referring to fig. 1: the bottom of the lifting mechanism 2 is provided with an electric push rod 8, preferably, the bottom of the connecting plate is provided with the electric push rod 8, a push rod seat of the electric push rod 8 is arranged at the bottom of the connecting plate, and a piston rod of the electric push rod 8 penetrates through the connecting plate to be fixedly connected with the bottom plate 215.

In order to ensure that the lifting mechanism can complete lifting movement in the whole channel, the push rod seat of the electric push rod is arranged at the bottom of the connecting plate, so that the space of the channel is not occupied.

The upper end of the lifting mechanism 2 is provided with a steering mechanism 3,

see fig. 6-8: the turning plate 23 is provided with a turning mechanism 3, the turning mechanism 3 comprises a base 31, the base is mainly used for being fixed with the turning plate, the turning plate can be enabled to rotate while the whole turning mechanism is driven to rotate, a pivot 32 is arranged at the tail end of the base 31, a turning seat 33 is fixedly arranged on the pivot 32, the base is in pivot connection with the turning shaft, the turning shaft and the base can be in a horizontal state or a vertical state, one end of the pivot 32 is provided with a driving assembly 34, the driving assembly 34 comprises a worm 341 and a worm wheel 342, a small support is arranged on the turning plate 23, the worm 341 is arranged on the small support, a motor B is arranged on the outer side wall of the base 31 and connected with the worm 341, the worm wheel 342 is arranged at one end of the pivot 32 and is arranged on the outer side surface of the base 31, and the worm wheel 342 is meshed with the worm 341. A worm wheel is arranged on a pivot, the rotation of the pivot is driven by the rotation of the worm wheel, and then the rotation of a steering seat is driven, a driving component 34 controls the steering seat 33 to do circular motion along the axis of the pivot 32, one end of the steering seat 33 is pivotally connected with a base 31, the other end of the steering seat is provided with a hollow frame 331, and an extension mechanism 4 is arranged in the frame 331; the hollow box is used to secure the extension mechanism.

The working principle of the steering mechanism of the invention is as follows: the motor B is started, the output shaft of the motor B rotates to drive the worm to rotate, the worm wheel rotates because the worm is meshed with the worm wheel, the pivot is further driven to rotate, and the steering seat rotates along with the rotation of the pivot because the steering seat is fixedly connected with the pivot.

See fig. 9-11: an extension mechanism 4 is arranged on the steering mechanism 3;

the extension mechanism 4 comprises a sleeve 41, the outer side surface of the sleeve 41 is fixedly connected with the inner side surface of the frame 331, a rack 42 is arranged in the sleeve 41, a wrench 43 is arranged on the outer side wall of the sleeve 41, the front end of the wrench 43 is hinged with the sleeve, a pawl 44 is arranged at the bottom of the wrench 43, and the pawl 44 is meshed with the rack 42;

the symmetry is provided with two support frames 411 on sleeve 41's the upper end lateral wall, be provided with fixed axle 45 on the support frame 411, spanner 43 front end is provided with the ear, spanner 43's ear sets up on fixed axle 45, and set up between two symmetrical support frames 411, sleeve 41's side is provided with connecting rod 46, be provided with torsional spring 47 on the connecting rod 46, torsional spring 47 one end is connected with connecting rod 46, the other end is connected with fixed axle 45, rack 42's tooth becomes right trapezoid, every tooth includes vertical face A, go up horizontal plane and inclined plane, pawl 44 includes upper end and lower tip, pawl 44's upper end and spanner pivotal connection, pawl 44's lower tip includes vertical face B and lower inclined plane, when lifting the spanner, vertical face B laminates with vertical face A.

The sleeve provides a mounting location for the rack, since the rack is movable within the sleeve, and thus in the starting position, the starting position ensures that the extension mechanism is positioned horizontally in order to prevent the rack from disengaging from the bundle of sleeves.

The purpose of arranging the support frame on the sleeve is to install the fixed shaft, the purpose of installing the fixed shaft is to install the spanner, and the lifting and pressing of the spanner are power sources for realizing the advancing or stopping of the rack.

The working principle of the extension mechanism in the invention is as follows: lift the spanner, because the upper end and the spanner pivotal connection of pawl, consequently along with the mentioning of spanner, the pawl is because the weight of lower tip is vertical state gradually, consequently at the in-process of pawl motion, the vertical face B of pawl and the vertical face A of rack have the state of laminating, after both laminating, push down the spanner, the vertical face B of pawl gives the effort of advancing of vertical face A of rack, after the vertical face A of rack is pushed away, lift the spanner, the pawl continues to have the trend that is vertical state, consequently, the pawl can slide the last horizontal plane of rack, and then slide the inclined plane of rack, accomplish a clearance motion.

In order to prevent the fixed shaft from rotating along with the lifting or pressing of the wrench, a torsion spring is arranged at one end of the fixed shaft, and the acting force of the torsion spring offsets the acting force of the fixed shaft along with the lifting or pressing of the wrench.

See fig. 12 and 13: the lifting mechanism 2 is used for driving the steering mechanism 3 to ascend and descend in the vertical direction and further driving the extension mechanism 4 to ascend and descend in the vertical direction, the steering mechanism 3 controls the extension mechanism 4 to convert the movement in the vertical direction into the movement in the horizontal direction, and the tail end of the extension mechanism 4 is provided with an inclination mechanism 5;

preferably, one end of the rack 42 is provided with the tilting mechanism 5, the tilting mechanism 5 includes a base 51, a rotating shaft 52 is arranged on the base 51, the supporting plate 6 is fixedly arranged at two ends of the rotating shaft 52, a gear transmission assembly 53 is arranged on the rotating shaft 52, and the gear transmission assembly controls the rotating shaft 52 to rotate so as to control the tilting angle of the supporting plate 6.

The tail end of the rack 42 is provided with a through hole, a bearing is arranged in the through hole, the bottom of the base 51 is provided with a fixed rod, the fixed rod is arranged in the bearing, the gear transmission assembly 53 comprises a driving gear 531 and a driven gear 532, the base 51 is provided with a motor A, the driving gear 531 is arranged on an output shaft of the motor A, the driven gear 532 is arranged on the rotating shaft 52, and the driven gear 532 is meshed with the driving gear 531.

The working principle of the tilting mechanism in the invention is as follows: according to the whole tilt mechanism of patient's position rotation, after rotatory suitable position, starter motor A, motor A is rotatory to drive the driving gear rotatory, and then drives driven gear rotatory, and then drives the pivot rotatory, because pivot and backup pad are fixed connection, therefore the pivot is rotatory to drive the backup pad rotatory, and then the inclination of adjustment backup pad.

The inclining mechanism 5 is provided with a supporting plate 6, the inclining mechanism 5 controls the inclination angle of the supporting plate 6, the bottom of the supporting plate 6 is provided with a blocking strip 7, and the blocking strip 7 controls the computer to slide downwards on the supporting plate 6;

the barrier ribs 7 are provided along the width direction of the support plate 6.

step six: referring to fig. 14, the turnover plate is rotated 90 degrees counterclockwise, and the steering seat and the base are horizontally set to an initial state, at this time, the extension mechanism is arranged along the width direction of the bed body;

step ten: starting a motor D to enable the motor D to rotate reversely, driving a guide rod B to rotate by the motor D, further driving a worm sleeve A to rotate, driving a worm wheel B to rotate by the worm sleeve A, further driving a turnover plate to rotate, turning the turnover plate clockwise by 90 degrees, keeping the front side facing upwards, and turning off the motor D;

step twelve: starting the motor A, driving the driven gear to rotate by the motor A through driving the driving gear, and further controlling the rotating shaft to rotate, so that the angle of the supporting plate is adjusted to a proper position, and the motor A is turned off;

step thirteen: referring to fig. 15, the computer is placed on the supporting plate, the bottom of the computer is abutted against the blocking strip, and the patient can use the computer;

seventeen steps: starting the electric push rod, and driving the lifting device to descend by the electric push rod until the electric push rod reaches the initial position;

The technical features of the present invention which are not described in the above embodiments may be implemented by or using the prior art, and are not described herein again, of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and variations, modifications, additions or substitutions which may be made by those skilled in the art within the spirit and scope of the present invention should also fall within the protection scope of the present invention.

Claims

1. The computer supporting device for the hospital bed is characterized by comprising a lifting mechanism (2) arranged on a bed tail plate (1), wherein an electric push rod (8) is arranged at the bottom of the lifting mechanism (2), a steering mechanism (3) is arranged at the upper end of the lifting mechanism (2), an extending mechanism (4) is arranged on the steering mechanism (3), the lifting mechanism (2) is used for driving the steering mechanism (3) to lift in the vertical direction so as to drive the extending mechanism (4) to lift in the vertical direction, the steering mechanism (3) controls the extending mechanism (4) to be converted from movement in the vertical direction into movement in the horizontal direction, an inclined mechanism (5) is arranged at the tail end of the extending mechanism (4), a supporting plate (6) is arranged on the inclined mechanism (5), and the inclined angle of the supporting plate (6) is controlled by the inclined mechanism (5), a blocking strip (7) is arranged at the bottom of the supporting plate (6), and the blocking strip (7) controls the computer to slide down on the supporting plate (6);

two guide plates (11) are symmetrically arranged on the outer side surface of the bed tail plate (1), a connecting plate is arranged between the two guide plates (11), a channel (12) is formed between the two guide plates (11), guide grooves (111) are arranged on the inner side surfaces of the guide plates (11) which are opposite to each other, the guide grooves (111) are vertically arranged, and the lifting mechanism (2) is arranged in the channel (12);

the lifting mechanism (2) comprises a screw rod transmission assembly (21), a rotating assembly (22) and a turnover plate (23), the rotating assembly (22) is arranged on the screw rod transmission assembly (21), the turnover plate (23) is arranged on the rotating assembly (22), the screw rod transmission assembly (21) controls the rotating assembly (22) to move linearly, and the rotating assembly (22) drives the turnover plate (23) to turn over;

the turning plate (23) is provided with the turning mechanism (3), the turning mechanism (3) comprises a base (31), a pivot (32) is arranged at the tail end of the base (31), a turning seat (33) is fixedly arranged on the pivot (32), one end of the pivot (32) is provided with a driving component (34), the driving component (34) controls the turning seat (33) to do circular motion along the axis of the pivot (32), one end of the turning seat (33) is pivotally connected with the base (31), the other end of the turning seat is provided with a hollow square frame (331), and the extending mechanism (4) is arranged in the square frame (331);

the extension mechanism (4) comprises a sleeve (41), the outer side surface of the sleeve (41) is fixedly connected with the inner side surface of the square frame (331), a rack (42) is arranged in the sleeve (41), a wrench (43) is arranged on the outer side wall of the sleeve (41), the front end of the wrench (43) is hinged with the sleeve, a pawl (44) is arranged at the bottom of the wrench (43), and the pawl (44) is meshed with the rack (42);

rack (42) one end sets up tilt mechanism (5), tilt mechanism (5) include base (51), be provided with pivot (52) on base (51), pivot (52) both ends are fixed to be set up backup pad (6), be provided with gear drive subassembly (53) on pivot (52), gear drive subassembly control pivot (52) are rotatory and then control the angle of backup pad (6) slope.

2. The computer support device for hospital beds of claim 1, wherein the rack (42) has a through hole at the end, a bearing is disposed in the through hole, a fixing rod is disposed at the bottom of the base (51) and disposed in the bearing, the gear transmission assembly (53) comprises a driving gear (531) and a driven gear (532), the base (51) is provided with a motor a, the driving gear (531) is disposed on the output shaft of the motor a, the driven gear (532) is disposed on the rotating shaft (52), and the driven gear (532) is engaged with the driving gear (531).

3. The computer supporting device for the hospital bed according to claim 2, characterized in that two supporting frames (411) are symmetrically arranged on the outer side wall of the upper end of the sleeve (41), a fixed shaft (45) is arranged on the supporting frames (411), the front end of the wrench (43) is provided with an ear part, the ear part of the wrench (43) is arranged on the fixed shaft (45) and is arranged between the two symmetrical supporting frames (411), a connecting rod (46) is arranged on the side surface of the sleeve (41), a torsion spring (47) is arranged on the connecting rod (46), one end of the torsion spring (47) is connected with the connecting rod (46), the other end of the torsion spring is connected with the fixed shaft (45), the teeth of the rack (42) are in a right trapezoid shape, each tooth comprises a vertical surface A, an upper horizontal surface and an inclined surface, the pawl (44) comprises an upper end part and a lower end part, the upper end of the pawl (44) is pivotally connected with the wrench, the lower end of the pawl (44) comprises a vertical surface B and a lower inclined surface, and when the wrench is lifted, the vertical surface B is attached to the vertical surface A.

4. The computer support device for hospital beds according to claim 3, wherein the base (31) is fixedly connected with the turnover plate (23), the driving assembly (34) comprises a worm (341) and a worm wheel (342), a small bracket is arranged on the turnover plate (23), the worm (341) is arranged on the small bracket, a motor B is arranged on the outer side wall of the base (31) and connected with the worm (341), the worm wheel (342) is arranged at one end of the pivot (32), the worm wheel (342) is arranged on the outer side surface of the base (31), and the worm wheel (342) is meshed with the worm (341).

5. The computer support device for hospital beds according to claim 4, wherein the screw transmission assembly (21) comprises two symmetrically arranged bottom frames (211), a bottom plate (215) is arranged between the two bottom frames (211), a protrusion (2111) is arranged on the outer side of the bottom frames (211), the protrusion (2111) is arranged in the guide groove (111), a screw rod (212) is arranged between the two bottom frames (211), guide rods (213) are arranged on both sides of the screw rod (212), a sliding block (214) is arranged on the screw rod (212), both ends of the sliding block (214) are arranged on the guide rods (213), a threaded hole is arranged in the center of the sliding block (214), the thread of the threaded hole corresponds to the external thread of the screw rod (212), a motor C is arranged at one end of the screw rod (212), and the motor C is arranged on the outer side of one of the bottom frames (211), the rotating assembly (22) comprises a worm sleeve A (221) and a worm wheel B (222), the guide rod (213) comprises a guide rod A (2131) and a guide rod B (2132), the guide rod A (2131) is fixedly connected with the bottom frame (211), the guide rod B (2132) is pivotally connected with the bottom frame (211), the guide rod B (2132) is provided with a worm sleeve A (221), the worm sleeve A (221) is arranged in the sliding block (214), the sliding block (214) is provided with a small support frame, the small support frame is provided with a rotating shaft, the rotating shaft is provided with the worm wheel B (222), the worm wheel B (222) is meshed with the worm sleeve A (221), one end of the rotating shaft is fixedly provided with the turnover plate (23), one end of the guide rod B (2132) is provided with a motor D, and the motor D is arranged outside one of the bottom frames (211), the electric push rod (8) is arranged at the bottom of the connecting plate, a push rod seat of the electric push rod (8) is arranged at the bottom of the connecting plate, and a piston rod of the electric push rod (8) penetrates through the connecting plate to be fixedly connected with the bottom plate (215).

6. The computer support device for hospital beds according to claim 5 is characterized in that the blocking strip (7) is arranged in the width direction of the support plate (6).

7. A method of supporting using the computer support for hospital beds of claim 6, comprising the steps of:

step four: matching the bulge of the underframe with the guide groove of the guide plate, and fixedly connecting a piston rod of the electric push rod with the bottom of the bottom plate;