CN108670634A

CN108670634A - A kind of sick bed shatter-resistant adjustable voltage system

Info

Publication number: CN108670634A
Application number: CN201810896746.3A
Authority: CN
Inventors: 李旭亚; 张闻熙
Original assignee: Changzhou Second Peoples Hospital
Current assignee: Changzhou Second Peoples Hospital
Priority date: 2018-08-08
Filing date: 2018-08-08
Publication date: 2018-10-19

Abstract

The invention discloses a kind of sick bed shatter-resistant adjustable voltage systems, its key points of the technical solution are that：Including bed body, it is embedded on the bed surface of the bed body and is fixed with pressure sensor, it is fixed with PLC controller in the bed body, the pressure sensor is connected with the control signal of PLC controller, the first supporting portion is provided with below the bed surface, the bed body is provided with the second supporting portion below the first supporting portion, it is additionally provided with blocking portion on the side of the bed body, second supporting portion includes the second cushion, third cushion, limited block and servo motor, the servo motor drives the articulated shaft rotation of the second cushion, the control output end of the PLC controller is connected with cylinder and servo motor respectively, a kind of sick bed shatter-resistant adjustable voltage system, it has the function of good preventing patient from from sick bed falling on the ground, the safety of patient can be protected, patient is improved to leave the bed the safety of process.

Description

A kind of sick bed shatter-resistant adjustable voltage system

Technical field

The present invention relates to tumble-preventing device fields, more specifically, it relates to a kind of sick bed shatter-resistant adjustable voltage system.

Background technology

The dynamic inconvenient old man of large number of rows is often had in the inpatient department of hospital to be hospitalized, since elderly's health is poor, Usually need to leave the bed when night into accommodating, old man left the bed be also usually at one's leisure old man get injured by a fall it is main when It carves, if handicapped old man is got injured by a fall again, it will cause wound is added in wound, is all caused to old man, family and society larger negative Load.

The Chinese patent of existing Publication No. CN106652348A, it discloses a kind of intelligent anti-fall to be from bed alarm System, including infrared warning device, the infrared warning device is fixedly mounted on the surface metope or bedside of the head of a bed, described red Wireless sending module built in outer warning device, the infrared warning device by wireless network respectively with central processing unit and bracelet report Alert device is connected, and the central processing unit and bracelet alarm are all built-in with wireless receiving module, and the central processing unit passes through Network is connect with nurse's computer.

Although above-mentioned this intelligent anti-fall can alarm to the old man of tumble from bed alarm system, really It can not ensure that the old man to fall is injury-free, although because the alarm system for intelligence can call rescue, when being It is late, belong to and mend the fold after the sheep is lost, applicability is not strong.

Invention content

In view of the deficiencies of the prior art, the present invention intends to provide a kind of sick bed shatter-resistant adjustable voltage system, have It is good to prevent patient from falling function on the ground from sick bed, the safety of patient can be protected.

To achieve the above object, the present invention provides following technical solutions：

A kind of sick bed shatter-resistant adjustable voltage system, including bed body are embedded on the bed surface of the bed body and are fixed with pressure sensor, described PLC controller is fixed in bed body, the pressure sensor is connected with the control signal of PLC controller, under the bed surface Side is provided with the first supporting portion, and the bed body is provided with the second supporting portion, the side of the bed body below the first supporting portion On be additionally provided with blocking portion；

First supporting portion includes the first cushion, cylinder, fixed seat, fixed plate, fixed link, Contraband font plate and screw thread Ring set, the fixed plate are fixed in bed body, and the first cushion sliding is connected in fixed seat, is fixed in the fixed seat The piston rod end of the cylinder body of cylinder, the cylinder is fixed on the first cushion, and the Contraband font plate is fixed in fixed seat, described Fixed plate passes through the opening of Contraband font plate, the fixed link to be fixed in fixed plate, offered for fixation on the Contraband font plate The notch that bar passes through, the screwed ring external threading are connected to outside fixed link；

Second supporting portion includes the second cushion, third cushion, limited block and servo motor, and second cushion is hinged In bed body, the third cushion is fixed on the second cushion, and the limited block and servo motor are fixed in bed body, described to watch Take the articulated shaft rotation that motor drives the second cushion；

The control output end of the PLC controller is connected with cylinder and servo motor respectively.

By using above-mentioned technical proposal, when patient face night is left the bed at one's leisure, patient stands up the numerical value of pressure sensor It is more big changes, at this time PLC controller can control cylinder and servo motor starts, when cylinder starts, the piston of cylinder Bar will drive the first cushion to be slid in fixed seat, the first cushion be ejected out of fixed seat, servo motor can drive hinged Second cushion turns an angle, and at this moment the first cushion and the second cushion are equivalent to ladder, patient can be assisted to leave the bed, if patient It falls, then patient can fall on inclined second cushion, and can be stopped by third cushion, therefore can effectively prevent old man and fall Wound；And the height of the fixed seat in device in the first supporting portion can be adjusted, can it is appropriate adjust the first cushion height, When adjusting fixed seat height, the Contraband font plate in fixed seat is pulled to be slid outside fixed plate so that fixed link is in Contraband font plate On notch adjust up and down, being adjusted to tighten screw thread ring set after proper height can lock, and increase the flexibility of the first cushion And it is easy to adjust；And the blocking portion being arranged in bed body can prevent old man from being tumbled from another side of bed surface；Therefore, sick bed is anti- The system of falling down have the function of it is good prevent patient from falling on the ground from sick bed, the safety of patient can be protected.

Further, first gear is fixed on the articulated shaft of second cushion, the servo motor drives the second tooth Wheel rotation, is intermeshed between the first gear and second gear.

By using above-mentioned technical proposal, when servo motor starts, servo motor can drive second gear to rotate, and pass through The engagement of first gear and second gear will drive first gear rotation, will drive the overturning of the first cushion, the purpose designed in this way It is on the one hand to save space, is on the other hand to slow down to the rotation process of the first cushion.

Further, the blocking portion includes baffle, screw rod, guide rod and level board, and the baffle is vertically Sliding is connected in bed body, and the level board is fixed in bed body, is threadedly coupled between the screw rod and level board, the screw rod End be rotatably connected on baffle interior, two guide rods are fixed on the baffle, offered on the level board for be oriented to The pilot hole that bar passes through.

By using above-mentioned technical proposal, operator can rotate in blocking portion before old man lies on bed board and rests Screw rod slides driving baffle when screw rod rotates up and down, and guide rod and pilot hole can lead the vertical sliding of baffle To so that sliding is more stablized, and therefore, the structure of blocking portion is reliable, easy to adjust.

Further, the motor shaft of the servo motor is connected to the input terminal of retarder, the output end of the retarder It is connect with second gear.

By using above-mentioned technical proposal, after servo motor is slowed down by retarder, the output of servo motor can be reduced Speed so that second gear rotates more gentle, further increases the stability of hinged the first cushion rotation.

Further, it is fixed with blanket net between the end and the end of third cushion of second cushion.

By using above-mentioned technical proposal, the second cushion and the fixed blanket net of third cushion tip can prevent old man from second The end of cushion and third cushion is fallen, and the safety of system is increased.

Further, the screwed ring, which is put on, is fixed with the L-shaped rocking bar of shape, and the external stability of the rocking bar has anti-skidding Pad.

By using above-mentioned technical proposal, screwed ring, which puts on fixed L-shaped rocking bar, can facilitate shake screw thread ring set to lock It is more laborsaving to tighten screw thread ring set using rocking bar for the height for determining fixed seat, and the non-slip mat on rocking bar can increase operator and hold The hand frictional force for holding rocking bar can prevent shake process hand from skidding, therefore the process for tightening screw thread ring set is more convenient.

Further, the screw rod is fixed with handle in one end far from baffle, and the outside of the screw rod is also threadedly coupled There is locking nut.

By using above-mentioned technical proposal, the handle capable of being person of being conveniently operated of screw rod end rotates screw rod, and the lock on screw rod Tight nut can prevent the position of screw rod from changing, therefore improve the blocking effect of blocking portion indirectly and increase blocking portion Operation convenience.

Further, second cushion is fixed with the 4th cushion on the side far from the second cushion articulated shaft side.

By using above-mentioned technical proposal, the 4th cushion of the second cushion tip significantly more efficient can prevent old man from second The side of cushion is fallen, and further improves safety.

In conclusion the present invention mainly has the advantages that：Sick bed shatter-resistant adjustable voltage system can assist patient to leave the bed, and if To leave the bed to fall in patient, sick bed shatter-resistant adjustable voltage system have the function of it is good prevent patient from falling on the ground from sick bed, Patient can fall on cushion, will not easily fall on the ground from cushion, can protect the safety of patient.

Description of the drawings

Fig. 1 is a kind of one of structural schematic diagram of embodiment provided by the invention；

Fig. 2 is the enlarged structure schematic diagram in the portions C in Fig. 1；

Fig. 3 is a kind of second structural representation of embodiment provided by the invention；

Fig. 4 is the enlarged structure schematic diagram in the portions D in Fig. 3；

Fig. 5 is the enlarged structure schematic diagram in the portions E in Fig. 3；

Fig. 6 is the enlarged structure schematic diagram in the portions F in Fig. 3；

Fig. 7 is a kind of structure sectional view of embodiment provided by the invention；

Fig. 8 is the enlarged structure schematic diagram in the portions G in Fig. 7.

In figure：1, bed body；11, bed surface；12, pressure sensor；13, PLC controller；2, the first supporting portion；3, second Shield portion；4, blocking portion；21, the first cushion；22, cylinder；23, fixed seat；24, fixed plate；25, fixed link；26, Contraband font plate； 27, screw thread ring set；261, notch；31, the second cushion；32, third cushion；33, limited block；34, servo motor；311, the first tooth Wheel；341, second gear；41, baffle；42, screw rod；43, guide rod；44, level board；441, pilot hole；342, retarder； 321, blanket net；271, rocking bar；2710, non-slip mat；421, handle；422, locking nut；312, the 4th cushion.

Specific implementation mode

Embodiment：

Below in conjunction with attached drawing 1-8, invention is further described in detail.

As shown in Figures 1 to 8, a kind of sick bed shatter-resistant adjustable voltage system, including bed body 1, wherein being embedded on the bed surface 11 of bed body 1 It is fixed with pressure sensor 12, the model HX711 weighing sensors of pressure sensor 12 are fixed with PLC controls in bed body 1 Device 13, wherein the S5-90U model controllers of 13 model Siemens of PLC controller, by pressure sensor 12 and PLC controller 13 control signal is connected, and when old man lies on bed surface 11, pressure sensor 12 has gravity sensing, when old man leaves bed When face 11, pressure sensor 12 can detect the great variety of numerical value；Old man falls from the bed during leaving the bed in order to prevent It falls, the lower section of bed surface 11 is provided with the first supporting portion 2, the lower section in the first supporting portion 2 is provided with the second supporting portion in bed body 1 3, it is additionally provided with blocking portion 4 on the side of bed body 1, introduces the first supporting portion 2, the second supporting portion 3, blocking portion in turn below 4 concrete structure；

First supporting portion 2 includes the first cushion 21, cylinder 22, fixed seat 23, fixed plate 24, fixed link 25, Contraband font plate 26 and screw thread ring set 27, wherein fixed plate 24 be fixed in bed body 1, the first cushion 21 sliding be connected in fixed seat 23, be The sliding of first cushion 21 of control, is fixed with the cylinder body of cylinder 22 in fixed seat 23, and by the piston rod end of cylinder 22 It is fixed on the first cushion 21, cylinder 22 can drive the first cushion 21 to stretch out or enter inside fixed seat 23；In order to increase dress Adaptability is set, achievees the effect that adjust 21 height of the first cushion, Contraband font plate 26 be fixed in fixed seat 23, wherein fixed plate 24 Across the opening of Contraband font plate 26, fixed link 25 is fixed in fixed plate 24, is offered for fixed link on Contraband font plate 26 25 notches 261 passed through, and screw thread ring set 27 is threaded in 25 outside of fixed link for locking fixed link 25 in notch 261 Position, when fixed link 25 is after the position of notch 261 locks, the height of fixed seat 23 also just locks, the first cushion 21 Height also just locks；

And the second supporting portion 3 includes the second cushion 31, third cushion 32, limited block 33 and servo motor 34, wherein second Cushion 31 is hinged in bed body 1, and third cushion 32 is fixed on the second cushion 31, and limited block 33 and servo motor 34 are fixed on In bed body 1, and the articulated shaft of the second cushion 31 is driven to rotate by servo motor 34, servo motor 34 can drive the second cushion 31 It flips an angle, limited block 33 can give the flip angle of the second cushion 31 to be limited, and after overturning and be limited the limit of block 33 The second cushion 31 afterwards is preferably between 10-30 ° relative to the angular range on ground, and the second cushion 31 can effectively prevent old man Fall to ground；

And the control output end of PLC controller 13 is connected with cylinder 22 and servo motor 34 respectively, therefore, works as patient Night, face was left the bed at one's leisure, and the stand up numerical value of pressure sensor 12 of patient is more big changes, and at this time PLC controller 13 can be controlled Cylinder 22 and servo motor 34 processed start, and when cylinder 22 starts, the piston rod of cylinder 22 will drive the first cushion 21 in fixation Sliding in seat 23, by the first cushion 21, ejection, servo motor 34 can drive the second hinged cushion 31 to rotate out of fixed seat 23 Certain angle, at this moment the first cushion 21 and the second cushion 31 be equivalent to ladder, patient can be assisted to leave the bed, if patient fall, then Patient can fall on inclined second cushion 31, and can be stopped by third cushion 32, therefore can effectively prevent old man's tumble injury；And The height of fixed seat 23 in device in the first supporting portion 2 can be adjusted, can it is appropriate adjust the first cushion 21 height, When adjusting 23 height of fixed seat, the Contraband font plate 26 in fixed seat 23 is pulled to be slid outside fixed plate 24 so that fixed link 25 About 261 notch on Contraband font plate 26 adjusts, and tightens screw thread ring set 27 i.e. lockable after being adjusted to proper height, increases The flexibility of first cushion 21 and easy to adjust；And the blocking portion 4 being arranged in bed body 1 can prevent old man from bed surface 11 another It is tumbled on side；Therefore, sick bed shatter-resistant adjustable voltage system have the function of it is good prevent patient from falling on the ground from sick bed, can protect The safety of patient.

As shown in Figures 1 to 8, in order to slow down to the rotation process of the first cushion 21, on the articulated shaft of the second cushion 31 It is fixed with first gear 311, drives second gear 341 to rotate in servo motor 34, wherein first gear 311 and second gear It is intermeshed between 341, the transmission ratio between first gear 311 and second gear 341 is more than 1, and servo motor 34 passes through second First gear 311 can be decelerated after gear 341, and when servo motor 34 starts, servo motor 34 can drive second gear 341 Rotation will drive first gear 311 to rotate, will drive the first cushion 21 by the engagement of first gear 311 and second gear 341 Overturning, the purpose designed in this way are on the one hand to save space, are on the other hand for the rotation process to the first cushion 21 Slow down.

As shown in Figures 1 to 8, blocking portion 4 includes baffle 41, screw rod 42, guide rod 43 and level board 44, wherein baffle 41 vertically slidings are connected in bed body 1, and level board 44 is fixed in bed body 1, will be between screw rod 42 and level board 44 It is threadedly coupled, the end of wherein screw rod 42 is rotatably connected on inside baffle 41, and two guide rods 43 are fixed on baffle 41 For giving baffle 41, sliding is oriented to vertically, while the pilot hole 441 passed through for guide rod 43 is offered on level board 44, old People lies on bed board rest before operator can rotate screw rod 42 in blocking portion 4, will drive baffle when screw rod 42 rotates About 41 slidings, guide rod 43 and pilot hole 441 can be oriented to the vertical sliding of baffle 41 so that baffle 41 slides more Add stabilization, therefore, the structure of blocking portion 4 is reliable, easy to adjust.

As shown in Figures 1 to 8, in order to reduce the speed of the second cushion 31 overturning, by the motor axis connection of servo motor 34 In the input terminal of retarder 342, the output end of retarder 342 is connect with second gear 341, servo motor 34 passes through retarder After 342 slow down, the output speed of servo motor 34 can be reduced so that second gear 341 rotates more gentle, further increases The stability for adding the first hinged cushion 21 to rotate；And it is solid between the end and the end of third cushion 32 of the second cushion 31 Surely there is a blanket net 321, the fixed blanket net of the second cushion 31 and 32 end of third cushion 321 can prevent old man from the second cushion 31 and The end of three cushions 32 is fallen, and the safety of system is increased；The L-shaped rocking bar of shape is fixed on screw thread ring set 27 simultaneously 271, and have non-slip mat 2710 in the external stability of rocking bar 271, L-shaped rocking bar 271 is fixed on screw thread ring set 27 conveniently to be shaken Screw thread ring set 27 is moved to lock the height of fixed seat 23, it is more laborsaving that screw thread ring set 27 is tightened using rocking bar 271, and rocking bar Non-slip mat 2710 on 271 can increase the hand frictional force that operator holds rocking bar 271, can prevent from shaking 27 process of screw thread ring set Middle hand skids, therefore the process for tightening screw thread ring set 27 is more convenient；And it is fixed in the one end of screw rod 42 far from baffle 41 Handle 421 is also threaded with locking nut 422 in the outside of screw rod 42, and the handle 421 of 42 end of screw rod can the person of being conveniently operated Screw rod 42 is rotated, and the locking nut 422 on screw rod 42 can prevent the position of screw rod 42 from changing, therefore improve resistance indirectly The blocking effect of stopper 4 and the operation convenience for increasing blocking portion 4；It is hinged far from the second cushion 31 in the second cushion 31 simultaneously The 4th cushion 312 is fixed on the side of axis side, the 4th cushion 312 of 31 end of the second cushion significantly more efficient can prevent always People falls from the side of the second cushion 31, further improves safety.

Although it is noted that the first above-mentioned cushion 21, the second cushion 31, third cushion 32,312 table of the 4th cushion Face is soft, but is steel construction inside the first cushion 21, the second cushion 31, third cushion 32, the 4th cushion 312, is all had Standby larger strength and stiffness, the problems such as will not bending easily under normal circumstances；Self-locking there are four being gathered around in bed body 1 simultaneously Universal wheel in order to bed body 1 promotion and locking, to increase flexibility.

This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art Member can as needed make the present embodiment the modification of not creative contribution after reading this specification, but as long as at this It is all protected by Patent Law in the right of invention.

Claims

1. a kind of sick bed shatter-resistant adjustable voltage system, including bed body (1), it is characterised in that：It is embedded on the bed surface (11) of the bed body (1) solid Surely there is pressure sensor (12), PLC controller (13) is fixed on the bed body (1), the pressure sensor (12) controls with PLC The control signal of device (13) processed is connected, and the first supporting portion (2) is provided with below the bed surface (11), the bed body (1) exists It is provided with the second supporting portion (3) below first supporting portion (2), blocking portion (4) is additionally provided on the side of the bed body (1)；

First supporting portion (2) includes the first cushion (21), cylinder (22), fixed seat (23), fixed plate (24), fixed link (25), Contraband font plate (26) and screw thread ring set (27), the fixed plate (24) are fixed in bed body (1), first cushion (21) sliding is connected in fixed seat (23), and the cylinder body of cylinder (22), the cylinder (22) are fixed on the fixed seat (23) Piston rod end be fixed on the first cushion (21), on the fixed fixed seat (23) of the Contraband font plate (26), the fixed plate (24) opening of Contraband font plate (26), the fixed link (25) is passed through to be fixed in fixed plate (24), the Contraband font plate (26) On offer the notch (261) passed through for fixed link (25), it is external that the screw thread ring set (27) is threaded in fixed link (25)；

Second supporting portion (3) includes the second cushion (31), third cushion (32), limited block (33) and servo motor (34), Second cushion (31) is hinged in bed body (1), and the third cushion (32) is fixed on the second cushion (31), the limit Block (33) and servo motor (34) are fixed in bed body (1), and the servo motor (34) drives the articulated shaft of the second cushion (31) Rotation；

The control output end of the PLC controller (13) is connected with cylinder (22) and servo motor (34) respectively.

2. a kind of sick bed shatter-resistant adjustable voltage system according to claim 1, it is characterised in that：Second cushion (31) are hinged First gear (311) is fixed on axis, servo motor (34) the driving second gear (341) rotates, the first gear (311) it is intermeshed between second gear (341).

3. a kind of sick bed shatter-resistant adjustable voltage system according to claim 1, it is characterised in that：The blocking portion (4) includes baffle (41), screw rod (42), guide rod (43) and level board (44), the baffle (41) vertically slide and are connected to bed body (1) on, the level board (44) is fixed in bed body (1), is threadedly coupled between the screw rod (42) and level board (44), described The end of screw rod (42) is rotatably connected on baffle (41) inside, and two guide rods (43) are fixed on the baffle (41), described The pilot hole (441) passed through for guide rod (43) is offered on level board (44).

4. a kind of sick bed shatter-resistant adjustable voltage system according to claim 2, it is characterised in that：The motor of the servo motor (34) In the input terminal of retarder (342), the output end of the retarder (342) connect axis connection with second gear (341).

5. a kind of sick bed shatter-resistant adjustable voltage system according to claim 1, it is characterised in that：The end of second cushion (31) Blanket net (321) is fixed between the end of third cushion (32).

6. a kind of sick bed shatter-resistant adjustable voltage system according to claim 1, it is characterised in that：The screwed ring, which is put on, to be fixed with outside The external stability of the L-shaped rocking bar of shape (271), the rocking bar (271) has non-slip mat (2710).

7. a kind of sick bed shatter-resistant adjustable voltage system according to claim 1, it is characterised in that：The screw rod (42) is far from baffle (41) one end is fixed with handle (421), and the outside of the screw rod (42) is also threaded with locking nut (422).

8. a kind of sick bed shatter-resistant adjustable voltage system according to claim 1, it is characterised in that：Second cushion (31) is separate It is fixed with the 4th cushion (312) on the side of the second cushion (31) articulated shaft side.