CN113180952A

CN113180952A - Multifunctional nursing bed

Info

Publication number: CN113180952A
Application number: CN202110657118.1A
Authority: CN
Inventors: 王世正
Original assignee: Ningbo Xinlei Medical Equipment Co ltd
Current assignee: Ningbo Xinlei Medical Equipment Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2021-07-30

Abstract

The invention discloses a multifunctional nursing bed which comprises a closestool body, wherein the closestool body is connected with a closestool lifting mechanism, the closestool lifting mechanism comprises a closestool mounting platform, and a lifting assembly is connected below the closestool mounting platform; the lifting component comprises a lower support fixedly connected with the chassis and a connecting plate positioned between the lower support and the closestool mounting platform, a closestool lifting upper connecting rod is connected between the connecting plate and the closestool mounting platform, two ends of the closestool lifting upper connecting rod are respectively hinged with the connecting plate and the closestool mounting platform, a closestool lifting lower connecting rod is connected between the connecting plate and the lower support, two ends of the closestool lifting lower connecting rod are respectively hinged with the connecting plate and the lower support, the closestool lifting upper connecting rod and the closestool lifting lower connecting rod are respectively hinged with two points on the connecting plate through an upper connecting rod gear and a lower connecting rod gear, and the upper connecting rod gear is meshed with the lower connecting rod gear. The invention has the advantages of good stability in the lifting process of the closestool, high levelness of the lifted closestool and good support stability of the lifted closestool.

Description

Multifunctional nursing bed

Technical Field

The invention relates to the technical field of nursing beds, in particular to a multifunctional nursing bed.

Background

At present, nursing bed generally develops towards multi-functional direction, in order to realize that the patient does not go out of the bed and excrete, it has been provided with closestool apron displacement mechanism to have nursing bed on the market, closestool elevating system and chamber pot translation mechanism, cover more diversified function even, and it is the function of bed excretion to be comparatively emphatic among the patient's the in-service use process, because what patient direct contact arrived when excreteing is the closestool, consequently closestool elevating system is the module that needs especially to pay attention to in the multi-functional nursing bed design process, current multi-functional nursing bed closestool lift in-process stability is lower, after the closestool goes up and down to patient's user state, the closestool slope generally appears, the closestool supports unstable situation, influence very much and use experience the sense. Therefore, the existing multifunctional nursing bed has the problems that the lifting stability of the closestool is low, the lifted closestool is easy to incline, and the lifted closestool is unstable in support.

Disclosure of Invention

The invention aims to provide a multifunctional nursing bed. The lifting closestool has the advantages of good stability in the lifting process of the closestool, high levelness of the lifted closestool and good support stability of the lifted closestool.

The technical scheme of the invention is as follows: a multifunctional nursing bed comprises a bed frame, wherein a bed surface assembly is covered on the bed frame and comprises an upper body plate and a lower body plate, a chassis is arranged at the bottom of the bed frame, a toilet cover plate, a toilet body and a urinal are arranged between the chassis and the lower body plate, a cover plate hole is formed in the lower body plate, the toilet cover plate is embedded into the cover plate hole, the toilet cover plate is connected with a cover plate moving mechanism, the toilet body is connected with a toilet lifting mechanism, the urinal is connected with a urinal translation mechanism, the toilet lifting mechanism comprises a toilet installation platform for installing the toilet body, a lifting assembly is connected below the toilet installation platform, and the lifting assembly is connected with a driving assembly; the lifting component comprises a lower support fixedly connected with the chassis and a connecting plate positioned between the lower support and a closestool mounting platform, a closestool lifting upper connecting rod is connected between the connecting plate and the closestool mounting platform, two ends of the closestool lifting upper connecting rod are respectively hinged with the connecting plate and the closestool mounting platform, a closestool lifting lower connecting rod is connected between the connecting plate and the lower support, two ends of the closestool lifting lower connecting rod are respectively hinged with the connecting plate and the lower support, the closestool lifting upper connecting rod and the closestool lifting lower connecting rod are respectively hinged with two points on the connecting plate through an upper connecting rod gear and a lower connecting rod gear, and the upper connecting rod gear is meshed with the lower connecting rod gear; the driving assembly is connected with the connecting plate and drives the connecting plate to move along an arc.

Compared with the prior art, the invention has the beneficial effects that: the lifting assembly mainly comprises a connecting plate, a closestool lifting upper connecting rod and a closestool lifting lower connecting rod, wherein the two connecting rods are respectively hinged to two points on the connecting plate through gears, the two gears are meshed, and the meshing mode of the gears is favorable for locking the angle between the two connecting rods, so that the closestool body can be stably supported after being lifted; the gear meshing mode can effectively prevent the sliding of the hinged part when the two connecting rods rotate, so that the running stability of the closestool body is higher in the lifting process, and the closestool body is not easy to slide after being lifted; the rising and matching angle of the gear meshing mode is large, so that the toilet body can be lifted more quickly, and meanwhile, the lifting process can be controlled in time; the gear meshing mode is also favorable for keeping the two connecting rods in the same plane all the time, so that the closestool body is not easy to incline when being lifted, and the real horizontal lifting is realized.

In the multifunctional nursing bed, the two sides below the toilet installation platform are both connected with the lifting assemblies, two toilet lifting upper connecting rods are connected between the connecting plate of each lifting assembly and the toilet installation platform, and two toilet lifting lower connecting rods are connected between the connecting plate of each lifting assembly and the lower support; four hinge point connecting lines at two ends of the two closestool lifting upper connecting rods form a parallelogram, and four hinge point connecting lines at two ends of the two closestool lifting lower connecting rods form a parallelogram.

In the multifunctional nursing bed, the driving assembly comprises a toilet bowl driving chain, and the connecting plate is connected with the toilet bowl driving chain through a toilet bowl chain lug.

In the multifunctional nursing bed, the driving assembly further includes a toilet driving motor, an output end of the toilet driving motor is connected with a driving shaft through a first gear chain assembly, shaft supports are respectively arranged at two ends of the driving shaft, the shaft supports are fixedly connected with the chassis, the first gear chain assembly includes a first gear connected with the output end of the toilet driving motor and a second gear connected with the driving shaft, and a toilet transmission chain is connected between the first gear and the second gear; the driving shaft is connected with a second gear chain assembly, the second gear chain assembly comprises a pair of third gears connected with the driving shaft, one side of each third gear is provided with a pair of fourth gears, the closestool driving chain is arranged between the third gears and the fourth gears, the fourth gears are connected with gear seats, and the gear seats are fixedly connected with the chassis; and a fifth gear meshed with the closestool driving chain is arranged between the third gear and the fourth gear, an arc-shaped chain guide rail is arranged between the fifth gear and the fourth gear, and the closestool driving chain between the fifth gear and the fourth gear is distributed along the chain guide rail and is connected to the closestool driving chain.

In the multifunctional nursing bed, a side guide plate is arranged on one side of the lifting assembly, the fifth gear and the chain guide rail are both arranged on the side guide plate, a guide groove which is arc-shaped is formed in the side guide plate, and the chain lug of the closestool is connected with a pulley which is embedded into the guide groove.

In the multifunctional nursing bed, the cover plate moving mechanism comprises a cover plate support used for supporting the toilet cover plate, two sides of the cover plate support are provided with fixed side plates, cover plate lifting chutes are formed in the fixed side plates, two ends of the cover plate support are connected with guide wheels, the guide wheels are embedded into the cover plate lifting chutes, the cover plate lifting chutes are L-shaped, and the L-shaped folding angles of the cover plate lifting chutes are transited by one section of straight line.

In the multifunctional nursing bed, the bed pan translation mechanism comprises a translation cabin, a bed pan translation bracket is arranged below the translation cabin, bed pan translation guide rails are arranged on two sides of the bed pan translation bracket, a bed pan translation chute is arranged on the bed pan translation guide rails, and guide wheels embedded in the bed pan translation chute are connected to two ends of the bed pan translation bracket; the bed pan translation mechanism further comprises a chain driving device, the chain driving device comprises a bed pan driving chain, and the bed pan translation support is connected with the bed pan driving chain through a bed pan chain lug.

In the multifunctional nursing bed, the chain driving device comprises a bedpan driving motor, an output end of the bedpan driving motor is connected with a transmission shaft through a transmission gear chain assembly, shaft seats are arranged at two ends of the transmission shaft, the shaft seats are fixedly connected with the chassis, the transmission gear chain assembly comprises a first transmission gear connected with the output end of the bedpan driving motor and a second transmission gear connected with the transmission shaft, and a bedpan transmission chain is connected between the first transmission gear and the second transmission gear; the utility model discloses a toilet bowl, including transmission shaft, drive sprocket subassembly, bedpan drive chain, the transmission shaft is connected with drive sprocket subassembly, drive sprocket subassembly includes a pair of first drive gear that is connected with the transmission shaft, one side of first drive gear is equipped with second drive gear, bedpan drive chain sets up between first drive gear and second drive gear, second drive gear is connected with the gear mount pad, gear mount pad and chassis fixed connection.

In the multifunctional nursing bed, a chamber pot tensioning wheel for tensioning the chamber pot driving chain is arranged between the first driving gear and the second driving gear.

In the multifunctional nursing bed, the chamber pot tensioning wheel abuts against the chamber pot driving chain from the lower part of the chamber pot driving chain, the separation block is arranged above the chamber pot driving chain, the chamber pot tensioning wheel and the separation block are both connected with the tensioning seat through the tensioning connecting rod, and the tensioning seat is fixedly connected with the chassis.

Drawings

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

FIG. 2 is a schematic structural view of a toilet lifting mechanism;

FIG. 3 is a schematic structural view of the lift assembly;

FIG. 4 is a schematic structural view of a drive assembly;

FIG. 5 is a schematic structural view of a cover plate moving mechanism;

FIG. 6 is a schematic view of a double parallelogram frame linkage of the cover plate moving mechanism;

FIG. 7 is a schematic structural view of a fixed side plate (side guide);

FIG. 8 is a schematic structural view of the urinal pan mechanism;

FIG. 9 is a schematic view of the driving part of the urinal translation mechanism;

fig. 10 is a schematic view of the arrangement structure of the tension wheel and the separation block of the urinal.

Reference numerals: 1. a bed frame; 2. a bed surface assembly; 3. an upper body panel; 4. a lower body panel; 5. a chassis; 6. a toilet lid plate; 7. a toilet body; 8. a urinal; 9. cover plate holes; 10. a cover plate moving mechanism; 20. a toilet lifting mechanism; 30. a urinal translation mechanism; 40. a lifting assembly; 50. a drive assembly; 101. a cover plate bracket; 102. fixing the side plate; 103. a cover plate lifting chute; 104. a guide wheel; 105. a connecting rod is arranged on the cover plate; 106. a clearance connecting rod is arranged on the cover plate; 107. a connecting rod in the cover plate; 108. a cover plate lower connecting rod; 109. a cover plate lower clearance connecting rod; 110. a substrate; 111. a telescopic rod; 112. an electric cylinder main body; 201. a toilet mounting platform; 202. a side guide plate; 203. a guide groove; 204. a pulley; 301. a translation cabin; 302. a bed pan translation bracket; 303. a bed urinal translation guide rail; 304. a urinal translation chute; 305. a guide wheel; 306. a chain drive; 307. a bed urinal driving chain; 308. a chain lug of the urinal; 309. a urinal driving motor; 310. a drive sprocket assembly; 311. a drive shaft; 312. a shaft seat; 313. a first drive gear; 314. a second transmission gear; 315. a urinal transmission chain; 316. a drive sprocket assembly; 317. a first drive gear; 318. a second drive gear; 319. a gear mounting seat; 320. a urinal tension wheel; 321. a separation block; 322. a tension link; 323. a tensioning seat; 324. a urinal sensor support; 325. a urinal liquid level sensor; 326. a height adjuster; 401. a lower bracket; 402. a connecting plate; 403. a toilet lifting upper connecting rod; 404. a toilet lifting lower connecting rod; 405. an upper link gear; 406. a lower link gear; 501. a toilet drive chain; 502. a toilet seat chain lug; 503. a toilet drive motor; 504. a first toothed chain assembly; 505. a drive shaft; 506. a shaft support; 507. a second toothed chain assembly; 5041. a first gear; 5042. a second gear; 5043. a toilet drive chain; 5071. a third gear; 5072. a fourth gear; 5073. a gear seat; 5074. a fifth gear; 5075. a chain guide; 5076. a toilet seat tension wheel.

Detailed Description

The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.

Example (b): a multifunctional nursing bed is structurally shown in figure 1 and comprises a bed frame 1, wherein a bed surface assembly 2 is covered on the bed frame 1, the bed surface assembly 2 comprises an upper body plate 3 and a lower body plate 4, a chassis 5 is arranged at the bottom of the bed frame 1, a toilet cover plate 6, a toilet body 7 and a urinal 8 are arranged between the chassis 5 and the lower body plate 4, a cover plate hole 9 is formed in the lower body plate 4, the toilet cover plate 6 is embedded in the cover plate hole 9, the toilet cover plate 6 is connected with a cover plate moving mechanism 10, the toilet body 7 is connected with a toilet lifting mechanism 20, the urinal 8 is connected with a urinal translation mechanism 30, the toilet lifting mechanism 20 is structurally shown in figures 2-4 and comprises a toilet installation platform 201 for installing the toilet body 7, a lifting assembly 40 is connected below the toilet installation platform 201, and the lifting assembly 40 is connected with a driving assembly 50; the lifting assembly 40 comprises a lower bracket 401 fixedly connected with the chassis 5 and a connecting plate 402 positioned between the lower bracket 401 and the toilet installation platform 201, a toilet lifting upper connecting rod 403 is connected between the connecting plate 402 and the toilet installation platform 201, two ends of the toilet lifting upper connecting rod 403 are respectively hinged with the connecting plate 402 and the toilet installation platform 201, a toilet lifting lower connecting rod 404 is connected between the connecting plate 402 and the lower bracket 401, two ends of the toilet lifting lower connecting rod 404 are respectively hinged with the connecting plate 402 and the lower bracket 401, the toilet lifting upper connecting rod 403 and the toilet lifting lower connecting rod 404 are respectively hinged with two points on the connecting plate 402 through an upper connecting rod gear 405 and a lower connecting rod gear 406, and the upper connecting rod gear 405 is meshed with the lower connecting rod gear 406; the drive assembly 50 is coupled to the connecting plate 402 and drives the connecting plate 402 in an arc.

The motion of the connecting plate 402 along the arc is the motion track of the connecting plate 402 obtained when the toilet body 7 ascends and descends along the vertical direction, because the toilet ascending and descending connecting rod 404 is connected with the lower bracket 401, and the lower bracket 401 is fixed, the hinge point of the connecting plate 402 and the toilet ascending and descending connecting rod 404 performs the arc motion with the hinge point of the lower end of the toilet ascending and descending connecting rod 404 and the lower bracket 401 as the center of a circle, and the distance between the two hinge points on the toilet ascending and descending connecting rod 404 is the radius.

Preferably, the two sides below the toilet installation platform 201 are both connected with the lifting assemblies 40, two toilet lifting upper connecting rods 403 are connected between the connecting plate 402 of each lifting assembly 40 and the toilet installation platform 201, and two toilet lifting lower connecting rods 404 are connected between the connecting plate 402 of each lifting assembly 40 and the lower support 401; four hinge point connecting lines at two ends of the two toilet lifting upper connecting rods 403 form a parallelogram, four hinge point connecting lines at two ends of the two toilet lifting lower connecting rods 404 form a parallelogram, the lifting assemblies 40 arranged at two sides of the parallelogram are beneficial to improving the stability of the lifting process of the toilet body 7 and the stability of the toilet body 7 after lifting is completed, and the lifted toilet body 7 is not easy to incline in the horizontal direction.

Preferably, the driving assembly 50 includes a toilet driving chain 501, and the connecting plate 402 is connected to the toilet driving chain 501 via a toilet chain lug 502, and the stability of the chain driving mode is high.

Preferably, the driving assembly 50 further includes a toilet driving motor 503, an output end of the toilet driving motor 503 is connected with a driving shaft 505 through a first toothed chain assembly 504, both ends of the driving shaft 505 are provided with shaft supports 506, the shaft supports 506 are fixedly connected with the chassis 5, the first toothed chain assembly 504 includes a first gear 5041 connected with the output end of the toilet driving motor 503 and a second gear 5042 connected with the driving shaft 505, and a toilet transmission chain 5043 is connected between the first gear 5041 and the second gear 5042; the drive shaft 505 is connected with a second gear assembly 507, the second gear assembly 507 comprises a pair of third gears 5071 connected with the drive shaft 505, one side of the pair of third gears 5071 is provided with a pair of fourth gears 5072, the toilet bowl drive chain 501 is arranged between the third gears 5071 and the fourth gears 5072, the fourth gears 5072 are connected with a gear seat 5073, and the gear seat 5073 is fixedly connected with the chassis 5; a fifth gear 5074 engaged with the toilet bowl driving chain 501 is arranged between the third gear 5071 and the fourth gear 5072, an arc-shaped chain guide 5075 is arranged between the fifth gear 5074 and the fourth gear 5072, the toilet bowl driving chain 501 between the fifth gear 5074 and the fourth gear 5072 is distributed along the chain guide 5075, and the toilet bowl chain lug 502 is connected to the toilet bowl driving chain 501, so that the connecting plate 402 moves along an arc.

Preferably, the side guide 202 is disposed on one side of the lifting unit 40, the fifth gear 5074 and the chain guide 5075 are both mounted on the side guide 202, the arc-shaped guide groove 203 is disposed on the side guide 202, and the pulley 204 embedded in the guide groove 203 is connected to the toilet chain lug 502 to guide the movement of the connecting plate 402, so that the toilet body 7 is more stable when lifted.

Preferably, a toilet tension wheel 5076 for tensioning the toilet drive chain 501 is provided between the third gear 5071 and the fourth gear 5072, and the toilet drive chain 501 is tensioned to enable a stable operation.

Preferably, the toilet tension wheel 5076 is pressed against the lower part of the toilet driving chain 501, and the height of the toilet tension wheel 5076 is adjustable, so that the tightness degree of the toilet driving chain 501 can be conveniently adjusted.

Preferably, the structure of the cover plate moving mechanism 10 is as shown in fig. 5-7, and includes a cover plate bracket 101 for supporting the toilet cover plate 6, two sides of the cover plate bracket 101 are provided with fixed side plates 102, the fixed side plates 102 are provided with cover plate lifting sliding grooves 103, two ends of the cover plate bracket 101 are both connected with guide wheels 104, the guide wheels 104 are embedded into the cover plate lifting sliding grooves 103, the cover plate lifting sliding grooves 103 are L-shaped, and the L-shaped folding corners of the cover plate lifting sliding grooves 103 are transited by a straight line.

Preferably, the fixed side plate 102 and the side guide plate 202 are the same plate.

The toilet cover plate 6 can move downwards firstly and then move horizontally under the guiding action of the cover plate lifting sliding groove 103, specifically, an L-shaped folding angle of the cover plate lifting sliding groove 103 is transited by a section of straight line, compared with a groove transited by a right angle, the toilet cover plate 6 can effectively avoid dead angles, the probability of the toilet cover plate 6 being blocked is small, in addition, when the guide wheel 104 moves to the straight line transition section of the folding angle, the straight line transition section can give an oblique upward reaction force to the guide wheel 104, the upward component force of the reaction force can give a certain buffer to the guide wheel 104, and the phenomenon that the toilet cover plate 6 generates huge noise or vibrates the fixed side plate 102 due to the fact that the vertical downward impact force between the guide wheel 104 and the cover plate lifting sliding groove 103 is too large at the too high descending speed in the vertical section of the L-shaped cover plate lifting sliding groove 103 to influence the operation stability is avoided; compared with a groove in arc transition, the straight line transition section of the invention has the advantage of shortest straight line between two points, so that the transition section of the toilet cover plate 6 between vertical descent and horizontal translation can more quickly switch the motion state, the response time is shorter, and the motion is more quickly implemented.

Preferably, a cover upper connecting rod 105 and a cover upper clearance connecting rod 106 are respectively hinged below the toilet cover 6, the lower end of the cover upper connecting rod 105 and the lower end of the cover upper clearance connecting rod 106 are respectively hinged on a cover middle connecting rod 107, the cover middle connecting rod 107 is respectively hinged with a cover lower connecting rod 108 and a cover lower clearance connecting rod 109 downwards, and the lower end of the cover lower connecting rod 108 and the lower end of the cover lower clearance connecting rod 109 are respectively hinged on a base plate 110 fixed on the chassis 5; a parallelogram is formed by four-point connecting lines of hinge points at two ends of the connecting rod 105 on the cover plate and hinge points at two ends of the connecting rod 106 in the clearance mode on the cover plate; the four-point connecting line of the hinge point at the two ends of the cover plate lower connecting rod 108 and the hinge point at the two ends of the cover plate lower clearance connecting rod 109 forms a parallelogram, and the frame connecting structure of the upper parallelogram and the lower parallelogram enables the toilet cover plate 6 to run more stably in the processes of vertical descending and horizontal translation.

Preferably, the upper end of the cover lower link 108 is hinged with a telescopic rod 111, the telescopic rod 111 is connected with an electric cylinder main body 112, and the electric cylinder main body 112 is rotatably connected with the base plate 110 for driving the movement of the toilet cover 6.

Preferably, one end of the cover plate middle connecting rod 107 connected with the cover plate upper clearance connecting rod 106 is hinged to the cover plate lower connecting rod 108, and one end of the cover plate middle connecting rod 107 connected with the cover plate upper connecting rod 105 is hinged to the cover plate lower clearance connecting rod 109, so that the bending deformation of the cover plate upper clearance connecting rod 106 and the cover plate lower clearance connecting rod 109 can be utilized to the maximum extent.

Preferably, the upper cover clearance link 106 is bent and deformed toward the upper cover link 105, and the lower cover clearance link 109 is bent and deformed toward the lower cover link 108, although neither the upper cover clearance link 106 nor the lower cover clearance link 109 is linear, the end points are strictly ensured to be located at four points of the parallelogram, and the bent and deformed portions of the upper cover clearance link 106 and the lower cover clearance link 109 can provide a larger space for installing other components, and can avoid other temporarily stationary components in the displacement process of the toilet cover 6, thereby avoiding the interference phenomenon in the narrow space below the nursing bed.

Preferably, the structure of the urinal translation mechanism 30 is as shown in fig. 8-10, and comprises a translation cabin 301, a urinal translation bracket 302 is arranged below the translation cabin 301, urinal translation guide rails 303 are arranged on two sides of the urinal translation bracket 302, a urinal translation chute 304 is arranged on the urinal translation guide rails 303, and guide wheels 305 embedded in the urinal translation chute 304 are connected to two ends of the urinal translation bracket 302; the urinal translation mechanism 30 further comprises a chain driving device 306, the chain driving device 306 comprises a urinal driving chain 307, the urinal translation support 302 is connected with the urinal driving chain 307 through a urinal chain lug 308, the stability of the chain driving mode is high, and the urinal 8 can realize translation action under the action of the chain driving device 306.

Preferably, the chain driving device 306 comprises a urinal driving motor 309, an output end of the urinal driving motor 309 is connected with a transmission shaft 311 through a transmission gear chain component 310, shaft seats 312 are respectively arranged at two ends of the transmission shaft 311, the shaft seats 312 are fixedly connected with the chassis 5, the transmission gear chain component 310 comprises a first transmission gear 313 connected with the output end of the urinal driving motor 309 and a second transmission gear 314 connected with the transmission shaft 311, and a urinal transmission chain 315 is connected between the first transmission gear 313 and the second transmission gear 314; the transmission shaft 311 is connected with a driving gear chain assembly 316, the driving gear chain assembly 316 comprises a pair of first driving gears 317 connected with the transmission shaft 311, one side of the first driving gears 317 is provided with a second driving gear 318, the urinal driving chain 307 is arranged between the first driving gears 317 and the second driving gears 318, the second driving gears 318 are connected with a gear mounting base 319, and the gear mounting base 319 is fixedly connected with the chassis 5.

Preferably, a urinal tension wheel 320 for tensioning the urinal driving chain 307 is arranged between the first driving gear 317 and the second driving gear 318, and the urinal driving chain 307 is tensioned to enable the urinal driving chain 307 to stably run.

Preferably, the chamber pot tensioning wheel 320 abuts against the chamber pot driving chain 307 from the lower part of the chamber pot driving chain 307, the separating block 321 is arranged above the chamber pot driving chain 307, the chamber pot tensioning wheel 320 and the separating block 321 are both connected with the tensioning seat 323 through the tensioning connecting rod 322, the tensioning seat 323 is fixedly connected with the chassis 5, and the chamber pot driving chain 307 is limited in a small range so as to be capable of stably running.

Preferably, a urinal sensor bracket 324 is connected between the urinal 8 and the urinal translation bracket 302, so that the urinal 8 is not easy to shake in the translation process, and a urinal liquid level sensor 325 is arranged at the top end of the urinal sensor bracket 324 and can measure the liquid level height in the urinal 8.

Preferably, the tension link 322 is rotatably connected to the tension seat 323, and the tension link 322 is further connected to a height adjuster 326 for adjusting the degree of tightness of the urinal driving chain 307.

The working principle of the invention is as follows: the invention is carried out around three actions, namely the displacement of the toilet cover plate 6, the lifting of the toilet body 7 and the translation of the urinal 8, and the three actions are carried out in sequence under the action of respective driving sources when a patient wants to excrete.

Displacement of the toilet lid 6: under the action of the electric cylinder main body 112 and the telescopic rod 111, the cover plate lower connecting rod 108 is stressed, so that a double parallelogram structure formed by the cover plate upper connecting rod 105, the cover plate upper clearance connecting rod 106, the cover plate lower connecting rod 108 and the cover plate lower clearance connecting rod 109 moves under the guiding action of the guide wheel 104 and the cover plate lifting chute 103, because the cover plate lifting chute 103 is in an L shape, the toilet cover plate 6 firstly moves vertically and downwards, the toilet cover plate 6 descends to the lower part of the nursing bed surface, and then moves horizontally after passing through the folding angle to avoid the corresponding space below the cover plate hole 9.

The toilet body 7 ascends: the toilet bowl driving motor 503 is started, the output end of the toilet bowl driving motor drives the driving shaft 505 to rotate through the first toothed chain assembly 504, the driving shaft 505 drives the second toothed chain assembly 507 to operate, a section of the toilet bowl driving chain 501 in the second toothed chain assembly 507, which is positioned on the arc-shaped chain guide 5075, is connected with the toilet bowl chain lug 502, the toilet bowl chain lug 502 is connected with the connecting plate 402, so the connecting plate 402 is driven to move along an arc, at the moment, the angle between the toilet bowl lifting upper connecting rod 403 and the toilet bowl lifting lower connecting rod 404 is enlarged, the toilet bowl lifting upper connecting rod 403 drives the toilet bowl mounting platform 201 and the toilet bowl body 7 to synchronously move vertically upwards, and the toilet bowl extends out of the toilet bowl cover plate hole 9 to the upper part of the nursing bed surface.

Translation of the urinal 8: the urinal driving motor 309 is started, the output end of the urinal driving motor drives the transmission shaft 311 to rotate through the transmission toothed chain component 310, the transmission shaft 311 drives the driving toothed chain component 316 to operate, the urinal driving chain 307 in the driving toothed chain component 316 is connected with the urinal chain lug 308, so that the urinal translation support 302 is driven to do translation motion, the translation cabin 301 and the urinal 8 do translation motion synchronously, and the urinal 8 translates to the position below the toilet bowl body 7 and is used for receiving excrement.

When the patient finishes excretion, the chamber pot driving motor 309, the closestool driving motor 503 and the telescopic rod 111 do reverse motion, so that the chamber pot 8, the closestool body 7 and the closestool cover plate 6 are reset.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned examples, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The utility model provides a multifunctional nursing bed, includes bedstead (1), bedstead (1) is gone up to be stamped bed surface assembly (2), bed surface assembly (2) include upper torso board (3) and lower torso board (4), the bottom of bedstead (1) is equipped with chassis (5), be equipped with toilet cover board (6), toilet body (7) and chamber pot (8) between chassis (5) and lower torso board (4), be equipped with apron hole (9) on lower torso board (4), toilet cover board (6) embedding in apron hole (9), toilet cover board (6) are connected with apron moving mechanism (10), toilet body (7) are connected with toilet elevating system (20), chamber pot (8) are connected with chamber pot translation mechanism (30), its characterized in that: the closestool lifting mechanism (20) comprises a closestool mounting platform (201) used for mounting a closestool body (7), a lifting assembly (40) is connected below the closestool mounting platform (201), and the lifting assembly (40) is connected with a driving assembly (50); the lifting component (40) comprises a lower bracket (401) fixedly connected with the chassis (5) and a connecting plate (402) positioned between the lower bracket (401) and the closestool mounting platform (201), a closestool lifting upper connecting rod (403) is connected between the connecting plate (402) and the closestool mounting platform (201), two ends of the closestool lifting upper connecting rod (403) are respectively hinged with the connecting plate (402) and the closestool mounting platform (201), a closestool lifting connecting rod (404) is connected between the connecting plate (402) and the lower bracket (401), two ends of the closestool lifting lower connecting rod (404) are respectively hinged with the connecting plate (402) and the lower bracket (401), the closestool lifting upper connecting rod (403) and the closestool lifting lower connecting rod (404) are hinged to two points on the connecting plate (402) through an upper connecting rod gear (405) and a lower connecting rod gear (406) respectively, and the upper connecting rod gear (405) is meshed with the lower connecting rod gear (406); the driving assembly (50) is connected with the connecting plate (402) and drives the connecting plate (402) to move along an arc.

2. A multi-functional nursing bed as defined in claim 1, wherein: two sides below the closestool mounting platform (201) are both connected with lifting assemblies (40), two closestool lifting upper connecting rods (403) are connected between a connecting plate (402) of each lifting assembly (40) and the closestool mounting platform (201), and two closestool lifting lower connecting rods (404) are connected between the connecting plate (402) of each lifting assembly (40) and a lower support (401); four hinge point connecting lines at two ends of the two closestool lifting upper connecting rods (403) form a parallelogram, and four hinge point connecting lines at two ends of the two closestool lifting lower connecting rods (404) form a parallelogram.

3. A multi-functional nursing bed as defined in claim 1 or 2, characterized in that: the driving assembly (50) comprises a closestool driving chain (501), and the connecting plate (402) is connected with the closestool driving chain (501) through a closestool chain lug (502).

4. A multi-functional care bed according to claim 3, characterized in that: the drive assembly (50) further comprises a toilet bowl drive motor (503), the output end of the toilet bowl drive motor (503) is connected with a drive shaft (505) through a first toothed chain assembly (504), both ends of the drive shaft (505) are respectively provided with a shaft support (506), the shaft supports (506) are fixedly connected with the chassis (5), the first toothed chain assembly (504) comprises a first gear (5041) connected with the output end of the toilet bowl drive motor (503) and a second gear (5042) connected with the drive shaft (505), and a toilet bowl transmission chain (5043) is connected between the first gear (5041) and the second gear (5042); the driving shaft (505) is connected with a second toothed chain assembly (507), the second toothed chain assembly (507) comprises a pair of third gears (5071) connected with the driving shaft (505), one side of each pair of third gears (5071) is provided with a pair of fourth gears (5072), the closestool driving chain (501) is arranged between the third gears (5071) and the fourth gears (5072), the fourth gears (5072) are connected with a gear seat (5073), and the gear seat (5073) is fixedly connected with the chassis (5); be equipped with between third gear (5071) and fourth gear (5072) with closestool drive chain (501) meshing's fifth gear (5074), be equipped with circular-arc chain guide (5075) between fifth gear (5074) and fourth gear (5072), closestool drive chain (501) between fifth gear (5074) and fourth gear (5072) are followed chain guide (5075) distribute just closestool chain ear (502) are connected on this section closestool drive chain (501).

5. The multifunctional nursing bed as claimed in claim 4, wherein: lifting unit (40) one side is equipped with side guide (202), fifth gear (5074), chain guide (5075) are all installed on side guide (202), be equipped with on side guide (202) and be circular-arc guide slot (203), closestool chain ear (502) are connected with the embedding pulley (204) of guide slot (203).

6. A multi-functional nursing bed as defined in claim 1, wherein: the cover plate moving mechanism (10) comprises a cover plate support (101) used for supporting the toilet cover plate (6), two sides of the cover plate support (101) are provided with fixed side plates (102), cover plate lifting sliding grooves (103) are formed in the fixed side plates (102), two ends of the cover plate support (101) are connected with guide wheels (104), the guide wheels (104) are embedded into the cover plate lifting sliding grooves (103), the cover plate lifting sliding grooves (103) are L-shaped, and L-shaped folding corners of the cover plate lifting sliding grooves (103) are transited by a straight line.

7. A multi-functional nursing bed as defined in claim 1, wherein: the bed urinal translation mechanism (30) comprises a translation cabin (301), a bed urinal translation bracket (302) is arranged below the translation cabin (301), bed urinal translation guide rails (303) are arranged on two sides of the bed urinal translation bracket (302), a bed urinal translation chute (304) is arranged on the bed urinal translation guide rails (303), and guide wheels (305) embedded into the bed urinal translation chute (304) are connected to two ends of the bed urinal translation bracket (302); the urinal translation mechanism (30) further comprises a chain driving device (306), the chain driving device (306) comprises a urinal driving chain (307), and the urinal translation bracket (302) is connected with the urinal driving chain (307) through a urinal chain lug (308).

8. The multifunctional nursing bed as claimed in claim 7, wherein: the chain driving device (306) comprises a urinal driving motor (309), the output end of the urinal driving motor (309) is connected with a transmission shaft (311) through a transmission gear chain component (310), shaft seats (312) are arranged at two ends of the transmission shaft (311), the shaft seats (312) are fixedly connected with a chassis (5), the transmission gear chain component (310) comprises a first transmission gear (313) connected with the output end of the urinal driving motor (309) and a second transmission gear (314) connected with the transmission shaft (311), and a urinal transmission chain (315) is connected between the first transmission gear (313) and the second transmission gear (314); the utility model discloses a toilet bowl, including transmission shaft (311), transmission shaft (311) are connected with drive sprocket subassembly (316), drive sprocket subassembly (316) include a pair of first drive gear (317) that are connected with transmission shaft (311), one side of first drive gear (317) is equipped with second drive gear (318), urinal drive chain (307) set up between first drive gear (317) and second drive gear (318), second drive gear (318) are connected with gear mount pad (319), gear mount pad (319) and chassis (5) fixed connection.

9. A multi-functional care bed according to claim 8, characterized in that: a urinal tension wheel (320) used for tensioning the urinal driving chain (307) is arranged between the first driving gear (317) and the second driving gear (318).

10. A multi-functional care bed according to claim 9, characterized in that: the chamber pot tensioning wheel (320) is abutted against the chamber pot driving chain (307) from the lower part of the chamber pot driving chain (307), a separating block (321) is arranged above the chamber pot driving chain (307), the chamber pot tensioning wheel (320) and the separating block (321) are both connected with a tensioning seat (323) through a tensioning connecting rod (322), and the tensioning seat (323) is fixedly connected with the chassis (5).