CN107468457B

CN107468457B - Nursing bed with defecation facility

Info

Publication number: CN107468457B
Application number: CN201710851798.4A
Authority: CN
Inventors: 俞益庭; 张旭辉; 葛海洲
Original assignee: Ningbo Tianming Electronics Co ltd
Current assignee: Ningbo Tianming Electronics Co ltd
Priority date: 2017-09-19
Filing date: 2017-09-19
Publication date: 2023-04-07
Anticipated expiration: 2037-09-19
Also published as: CN107468457A

Abstract

The invention discloses a nursing bed with a defecation facility, which comprises a bed frame provided with at least two straight beams and a plurality of cross beams, and a mattress arranged above the two cross beams, wherein the mattress is provided with a defecation hole, the two cross beams below the defecation hole are hinged with a swing frame which is formed by hinging the lower ends of a plurality of swing rods with a supporting frame along the length direction of the cross beams, and the bed frame is provided with a manual driving and locking device which can push the supporting frame to the upper limit position of the defecation hole through the swing rods and lock the supporting frame so as to enable the top of a toilet bowl in the supporting frame to be close to or contact with the buttocks of a defecation person; the bed further comprises swing arms which are hinged to the two cross beams through swing arm hinge shafts and far away from the other ends of the swing frames and are provided with excrement hole plugs for sealing excrement discharge holes, and connecting rods for enabling the swing frames and the swing arms to be linked are arranged on the swing arms and the manual driving and locking device. The toilet bowl lifting device, the toilet plug swing arm device and the linkage mechanisms of the toilet bowl lifting device and the toilet plug swing arm device are simple in structure and high in working reliability.

Description

Nursing bed with defecation facility

Technical Field

The invention relates to the technical field of medical care equipment, in particular to a care bed with a defecation facility.

Background

The nursing bed in the prior art has more complete functions of enabling a patient to turn over, lie down, sit and eat and enabling armrests to eat, and has a plurality of documents for disclosing the nursing bed which enables the patient on a sickbed to defecate without getting out of the bed. However, in the nursing bed with the defecation facility in the prior art, the structures of the toilet bowl lifting or descending device and the toilet hole plug lifting or separating device for sealing the defecation hole are generally lifted and descended by adopting an air cylinder, a hydraulic cylinder and the like, and the structures of the toilet bowl lifting or descending device and the toilet hole plug lifting or separating device are driven by a worm gear, a worm screw, a lead screw nut and the like, so that the structures of the nursing bed with the defecation facility are more and more complicated.

For example, chinese patent application publication No. CN102218001A discloses a self-service bed for defecation, which is relatively simple in structure compared to the above-mentioned nursing bed. But still adopts the structures of electric lifting devices, sliding rails for the bracket of the translational toilet, mutually meshed gear racks, travel switches, remote controllers and other electric elements. The nursing bed still has the defects of complex structure of the lifting mechanism of the toilet bowl, namely the lifting device, and poor working reliability of the translation lifting of the toilet bowl. Meanwhile, the swing arm of the excrement hole plug is rotated only by the electric drive shaft to swing to the upper limit position or fall to the lower limit position, so that the work reliability of the swing arm of the excrement hole plug is not high, and the swing process has the possibility of interfering with the support frame of the excrement barrel. And the linkage structure of the toilet bowl lifting device and the toilet hole plug swing arm is complex, and the failure rate is relatively high. In addition, the defecation hole plug support swing arm is positioned and lifted only by the rotating shaft at the other end far away from the defecation hole plug, and when a patient sleeps, particularly defecates or needs to sit up under other conditions, the end of the defecation hole plug support swing arm bears the weight of the patient and sinks downwards, so that the patient is uncomfortable to sit and sleep.

Disclosure of Invention

The invention aims to solve the technical problem of providing a nursing bed with a defecation facility, which is simple in structure and high in working reliability, for a toilet lifting device, a toilet hole plug swing arm device and a linkage mechanism of the toilet lifting device and the toilet hole plug swing arm device.

The technical scheme of the invention is that a nursing bed with a defecation facility is provided, which comprises a bed frame provided with at least two straight beams and a plurality of cross beams, and a mattress arranged above the two cross beams, wherein the mattress is provided with a defecation hole, the two cross beams below the defecation hole are hinged with a swing frame which is formed by hinging the lower ends of a plurality of swing rods with a support frame and swings along the length direction of the cross beams, and the bed frame is provided with a manual driving and locking device which can push the support frame to the upper limit position of the defecation hole through the swing rods and lock the support frame so as to enable the top of a toilet in the support frame to be close to or in contact with the buttocks of a defecation person; the bed also comprises a swing arm which is hinged with the two beams through a hinge shaft and is far away from the other end of the swing frame and is provided with a defecation hole plug for closing the defecation hole, and the swing arm and the manual driving and locking device are provided with connecting rods for linking the swing frame and the swing arm.

After the structure is adopted, the electric elements and structures such as an electric lifting component, a sliding rail for translating the toilet bracket, a gear rack, a travel switch, a remote controller and the like are omitted in the toilet lifting device of the nursing bed. The nursing bed adopts a manual driving and locking releasing device to drive the swing frame and the excrement plug swing arm to synchronously swing to the respective required positions, and the positions of the swing frame and the excrement plug swing arm are locked or unlocked. The toilet bowl lifting device, the toilet plug swing arm device and the linkage mechanisms of the toilet plug lifting device and the toilet plug swing arm device are simple in structure, convenient to operate and capable of saving electricity, high in working reliability and low in failure rate.

The first structure of the manual driving and locking device is as follows: the driving block connected with a driving rod which moves horizontally is hinged on the bed frame, the pushing part of the driving block, which is opposite to the outer side swing rod, is provided with an arc surface, and the outer side swing rod is also provided with a locking block, the bottom surface of which is abutted against the top surface of the driving block so as to enable the supporting frame to swing to and be locked at the upper limit position; one end of a push-pull block is fixed with one end of a hinge shaft, the other end of the push-pull block is hinged with one end of a connecting rod, the other end of the connecting rod is hinged in a connecting rod shaft hole of a driving block, which is far away from the arc surface, through a shaft, and a U-shaped groove for accommodating the end-section connecting rod is arranged in the transverse edge of the driving block, which is provided with the connecting rod shaft hole; the locking block is provided with a lock hole matched with a lock catch arranged on the driving block.

The second structure of the manual driving and locking device is as follows: the driving block connected with a driving rod which moves horizontally is hinged on the bed frame, the pushing part of the driving block, which is opposite to the outer side swing rod, is provided with an arc surface, and the outer side swing rod is also provided with a locking block, the bottom surface of which is abutted against the top surface of the driving block so as to enable the supporting frame to swing to and be locked at the upper limit position; one end of a push-pull block is fixed with one end of a hinge shaft, the other end of the push-pull block is hinged with one end of a connecting rod, the other end of the connecting rod is hinged in a connecting rod shaft hole of a driving block far away from the circular arc surface through a shaft, and a U-shaped groove for accommodating the end-segment connecting rod is arranged in the transverse edge of the driving block provided with the connecting rod shaft hole; the bed frame is further provided with a drive lever locking device for locking the drive lever at a dead point position at which the frame side is held at the upper limit position.

The third structure of the manual driving and locking device is as follows: the bed frame is provided with a locking rod at the rear end of one side of the driving block, the bed frame is provided with a hasp seat which can transversely swing to hasp the top when the support frame is pushed to the upper limit position through the swing rod and the driving block, the middle of the driving block is provided with a connecting rod shaft hole, the other side of the driving block is provided with an arc surface which is matched with the push of the swing rod, and the swing rod is also provided with a locking block of which the bottom surface is abutted against the tail end of the arc surface of the driving block to enable the support frame to swing to the upper limit position and be locked.

As a further improvement, the swing frame comprises at least three swing rods and a supporting frame, wherein the upper ends of at least two swing rods are hinged with one of the cross beams, and the lower ends of the two swing rods are hinged with the frame edge of the supporting frame below the cross beam; the upper ends of the rest swing rods are hinged with the other cross beam, and the lower ends of the rest swing rods are hinged with the frame edge of the support frame below the other cross beam.

As a still further improvement, the swing frame comprises four swing rods and a supporting frame, the supporting frame is a regular quadrangle, the upper ends of the two swing rods are hinged with one of the beams, the lower ends of the two swing rods are hinged with the two ends of a frame edge of the supporting frame below the beam, the two swing rods are located on the outer side of the frame edge, and the frame edge below the frame edge is parallel to the beam above the frame edge; the upper ends of the other two swing rods are hinged with the other cross beam, the lower ends of the two swing rods are hinged with the two ends of a frame edge of the support frame below the cross beam, the two swing rods are positioned on the outer side of the frame edge, and the frame edge is parallel to the upper cross beam. After the swing frame adopts the specific structure, the swing frame is higher in working reliability, smaller in swing resistance and more stable in a locking state.

As still further improvement, two swing rods of the four swing rods, which are close to the straight beam, are fixed with connecting rods which enable the two swing rods to be linked. The mechanical property is better when the swing is driven.

As a further improvement, the swing frame swinging along the length direction of the cross beam has an angle of swinging inwards smaller than or equal to 90 degrees and an angle of swinging outwards smaller than 60 degrees. The toilet bowl can meet the requirements of defecation and taking and placing of the toilet bowl, and has a better using effect.

As a still further improvement, the bed further comprises a locking and unlocking means for locking or unlocking the free end of the swing arm away from the other end of the swing arm hinge shaft with respect to the frame. After the structure is adopted, the free end of the swing arm is provided with the stable supporting device, so that the toilet hole plug can not be sunken downwards when a patient sleeps, particularly when defecation or other conditions need to be set up, the patient can feel comfortable when sitting and sleeping, and the technical problem which cannot be solved for a long time in the technical field is solved.

As a further improvement, the outer walls of the two sides of the toilet are symmetrically provided with positioning blocks, the lower part of the central point of each positioning block is provided with a shaft which is coaxial with each other, and two frame edges of the toilet support frame corresponding to the two shafts are respectively provided with a groove which is inclined outwards and is opened upwards and is used for accommodating the respective shaft; at least one positioning block is partially penetrated through the barrel wall and is protruded on the inner wall, a single-opening water spray nozzle with an outlet facing the defecation part of a patient is arranged on the convex part of the positioning block, a water channel is arranged in the positioning block, and a water inlet joint is arranged on the outer side part of the positioning block. After the structure is adopted, because the opening of the groove is inclined upwards, the shaft of the closestool can not vertically upwards separate from the closestool support frame even if the closestool vibrates in the swinging process along with the support frame, so that the closestool can not separate from the support frame. And because only one outlet, namely a single opening, is arranged and faces the water spray nozzle at the excrement of the patient, the water outlet is concentrated, the angle is accurate, the excrement can be washed cleanly by collecting water, and other parts of the body of the patient except the buttocks and the clothes and trousers cannot be wetted.

Drawings

Fig. 1 is a schematic view of the overall structure of a nursing bed of the present invention including a swing frame manual driving and locking device.

Fig. 2 is a partial structure schematic diagram of a specific facility mode of the nursing bed of the invention.

Fig. 3 is a schematic view of the structure of the seat plate and the seat cushion in the nursing bed of the present invention.

Fig. 4 is a schematic top view of a driving block in the nursing bed of the present invention.

Fig. 5 is a front view of a driving block in the nursing bed of the present invention.

Fig. 6 is a schematic view of the swing frame of the nursing bed of the present invention driven to a position close to the upper limit.

FIG. 7 is a schematic structural view of an operating handle portion of a third specific structure of a driving rod, a driving block, a tension spring and a swing arm free end locking and unlocking device in a nursing bed of the invention.

Fig. 8 is a schematic structural view of another embodiment of the nursing bed of the present invention, which comprises another swing frame manual driving and locking device.

Fig. 9 is a front sectional view schematically showing the structure of the toilet bowl of the present invention.

Fig. 10 is a left side view schematically showing the structure of the toilet bowl of the present invention.

Fig. 11 is a structural schematic view of the disposable bag covered on the toilet bowl in the invention.

Fig. 12 is a first specific structural diagram of the swing arm free end locking and unlocking device of the present invention.

FIG. 13 is a schematic view of the first embodiment of the swing arm free end locking and unlocking device of the present invention.

Fig. 14 is a schematic view of the first specific structure of the swing arm free end locking and unlocking device of the present invention in unlocking the driving block.

FIG. 15 is a schematic view of the first embodiment of the locking and unlocking device for the free end of the swing arm of the lock of the present invention after the driving block is unlocked.

Fig. 16 is a second specific structure diagram of the swing arm free end locking and unlocking device of the present invention.

Fig. 17 is a partial schematic view of a second embodiment of the swing arm free end locking and unlocking device of the present invention.

FIG. 18 is a third embodiment of the swing arm free end locking and unlocking device of the present invention.

FIG. 19 is a fourth embodiment of the swing arm free end locking and unlocking device of the present invention.

Fig. 20 is a fifth concrete structure diagram of the swing arm free end locking and releasing device of the present invention.

FIG. 21 is a partial schematic view of a fifth embodiment of the swing arm free end locking and unlocking device of the present invention.

Shown in the figures are 1, a bed frame, 2, a swing arm hinge shaft, 3, a cross beam, 4, a cross beam, 5, a cross beam, 6, a stool hole plug, 7, a base plate, 8, a swing arm free end, 9, a straight beam, 10, a swing rod, 11, a straight beam, 12, a swing frame, 13, a support frame, 14, a stool barrel, 15, a driving rod, 16, a connecting rod, 17, a push-pull block, 18, a swing arm, 19, a crank arm hinge shaft, 20, a crank arm, 21, an engaging groove, 22, a lock hole, 23, a frame edge, 24, a frame edge, 25, a locking block, 26, a connecting rod, 27, a defecation hole, 28, a bed plate, 29, a mattress, 30, a limiting block, 31, a driving block, 32, a connecting rod shaft hole, 33, a driving block hinge hole, 34, a circular arc surface, 35, a lock catch, 36, a tension spring column, 37, a U-shaped groove, 38, a driving rod, 39, an operating handles, 40, a seat, 41, a tension spring, 42, a lock rod, 43, a driving block, 44, a hinge shaft, 45, 46, a hasp platform, 47, a spring, 48, a hasp body, 49, a cylinder, 50, a shaft, 51, a positioning block, 52, a driving block, 53, a urine stop, 54, a defecation bag, 55, a connecting block, 56, a water nozzle, 57, a water channel, 58, a magnet, 59, a water inlet joint, 60, a movable shaft, 61, a groove, 62, a belt rope, 63, a movable shaft, 64, a shaft sleeve, 65, a hole, 66, a limit structure, 67, a connecting rod driving shaft, 68, a locking block driving shaft, 69, a cut-in inclined plane, 70, a locking block connecting rod, 71, a locking block, 72, a locking block hinge shaft, 73, an outer sleeve, 74, a connecting plate, 75, a through hole, 76, a movable shaft, 77, a pressure spring, 78, a sliding seat, 79, a guide roller, 80, a metal wire, 81, a through hole, 82, a movable shaft small-diameter section, 83, a sliding sleeve, 84, an adjusting nut, 85, a fixing seat, 86, a locking rod, 87, a longitudinal beam hole, 88, a lead wire, 89, a locking rod, the device comprises a shaft sleeve 90, an electromagnet absorbing and releasing device 91 and a spring.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings. It is to be noted that the description of the embodiments is provided to aid understanding of the present invention, and is not intended to limit the present invention. Furthermore, the technical features and technical means mentioned in the respective embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1, 2 and 3, the nursing bed of the present invention comprises a bed frame 1 composed of at least two straight beams, such as a straight beam 9 and a straight beam 11, and a plurality of cross beams, such as a cross beam 3, a cross beam 4, a cross beam 5, etc. A mattress 29 is arranged above the two

cross beams

4 and 5, the mattress 29 is supported on the two cross beams through a bed plate 28 or a bed plate support or a bed plate bracket, and the mattress 29 is provided with a defecation hole 27, so that the mattress 29 also serves as a cushion because the defecation of a patient is generally sitting. In this embodiment, two movable bed boards 28 hinged to each other are arranged on two cross beams of a mattress 29 arranged on two of the cross beams, namely the finger cross beam 4 and the cross beam 5, a half mattress 29 is arranged on each movable bed board 28, a defecation hole 27 matched with the shape of the defecation barrel is formed by combining the adjacent parts of the two half mattresses 29, a plurality of convex limiting blocks 30 used for limiting the half mattresses are arranged at the edge of each movable bed board 28, the upper half in fig. 3 shows the bed board 28 without the mattresses, the mattress 29 is arranged on the lower half bed board 28, and of course, the limiting blocks 30 can also be other limiting structures such as positioning pins and the like.

As shown in figure 1, two beams below the defecation hole, namely the beam 4 and the beam 5, are hinged with a swing frame 12 which is formed by hinging the lower ends of a plurality of swing rods 10 with a supporting frame 13 and swings along the length direction of the beam. The swing frame 12 comprises at least three swing rods and a supporting frame, wherein the upper ends of at least two swing rods are hinged with one of the cross beams, and the lower ends of the two swing rods are hinged with the frame edge of the supporting frame below the cross beam; the upper ends of the rest swing rods are hinged with the other cross beam, and the lower ends of the rest swing rods are hinged with the frame edge of the support frame below the other cross beam. This should be understood as follows: the swing frame can be composed of three swing rods and a supporting frame, wherein the upper ends of the two swing rods are hinged with one of the cross beams, and the lower ends of the two swing rods are hinged with the frame edge of the supporting frame below the cross beam; the upper end of the other swing rod is hinged with the other cross beam, and the lower end of the other swing rod is hinged with the frame edge of the support frame below the other cross beam. The swing frame can also be five swing rods and a supporting frame, wherein the upper ends of the two swing rods are hinged with one of the cross beams, and the lower ends of the two swing rods are hinged with the frame edge of the supporting frame below the cross beam; the upper ends of the other three swing rods are hinged with the other beam, and the lower ends of the other three swing rods are hinged with the frame edge of the support frame below the other beam. The swing frame can also be provided with six swing rods and a supporting frame, wherein the upper ends of the three swing rods are hinged with one of the cross beams, and the lower ends of the three swing rods are hinged with the frame edge of the supporting frame below the cross beam; the upper ends of the other three swing rods are hinged with the other beam, and the lower ends of the other three swing rods are hinged with the frame edge of the support frame below the other beam.

As shown in fig. 1 and fig. 2, but in this embodiment, the swing frame 12 preferably includes four swing rods 10 and a supporting frame 13, the supporting frame 13 is a regular quadrilateral, wherein the upper ends of the two swing rods are hinged to one of the beams 5, and the lower ends of the two swing rods 10 are hinged to both ends of a frame edge 24 of the supporting frame 13 located below the beam 5. The two swing rods 10 are positioned at the outer side of the frame edge 24, and the frame edge 24 at the lower end is parallel to the root beam 5 above; the upper ends of the other two swing rods 10 are hinged with the other beam 4, and the lower ends of the two swing rods 10 are hinged with the two ends of the frame edge 23 of the supporting frame 13 below the beam 4. Both ends, as referred to herein, can be understood as end-face-abutting positions, such as the rearward hinge point in fig. 2. It is of course also possible that the end faces do not abut, as in the front hinge point in fig. 2. The two swing rods 10 are located outside the frame edge 23, and the frame edge 23 is also parallel to the upper beam 4. Two swing rods 10 of the four swing rods 10 close to the straight beam 11 are fixed with connecting rods 26 which enable the two swing rods 10 to be linked. The connecting rod 26 may be omitted, but the connecting rod 26 is preferable. The supporting frame may be in other shapes, for example, when the three swing rods are described above, the frame edge where the two swing rods are hinged may be a straight edge, and the edge where one swing rod is hinged may be a semicircular edge, etc., and it is preferable that the supporting frame is a regular quadrangle. The distance between the hinge point axes of the two swing rods on each cross beam along the length direction of the cross beam can be equal to the distance between the hinge point axes of the two swing rods on the frame edge below the cross beam, the distance below the hinge point axes can be larger than the distance above the hinge point axes, the distance above the hinge point axes can also be larger than the distance below the hinge point axes, and the structure is preferably equal in the specific facility mode. According to common knowledge, in four hinge points on the two cross beams, the connecting line of the two hinge shafts close to the outer side, namely the straight beam, is basically perpendicular to the side line of the cross beam, and the connecting line of the two hinge shafts close to the inner side, namely the defecation hole, is also basically perpendicular to the side line of the cross beam, but the deviation is normal. The swing frame 12 swinging along the length direction of the cross beam swings inwards by an angle smaller than or equal to 90 degrees and swings outwards by an angle smaller than 60 degrees, and the angle can be understood as the angle formed by the swing rod relative to the vertical line.

The bed frame is provided with a manual driving and locking device which can push the supporting frame to the upper limit position of the excrement hole through the swing rod and lock so as to enable the top of the excrement barrel in the supporting frame to be close to or contacted with the buttocks of a defecation person. For unfolding, the manual driving device and the manual locking device can be called. Of course, the embodiment preferably enables the top of the toilet bowl to contact the buttocks of the defecation people, so that odor emission and wetting of other parts of the body and clothes of the patient except the defecation part during defecation can be reduced. Also, it will be understood that the manual actuation and locking device is actually a single device, with the forward operation enabling a single actuation and locking action, and the reverse operation enabling a single unlocking and natural return action of the tray frame 12 and toilet bowl 14 by gravity, as will be described in the three embodiments below.

As shown in fig. 1, 2, 4, 5, 6 and 7, the first embodiment of the manual driving and locking device has the following structure: the drive block 31, which is connected to the drive rod 15 for the horizontal movement, is articulated to the bed frame 1, in this embodiment to a cross member 3 of the bed frame 1, via a shaft and an articulation hole 33. The pushing part of the driving block 31 opposite to the outer swing rod 10 is provided with an arc surface 34, and the arc surface 34 can also be called an arc edge. The outer swing rod 10 is also provided with a locking block 25, the bottom surface of which is propped against the top surface of the driving block 31 so as to enable the supporting frame 13 to swing to and be locked at the upper limit position. When the driving block 31 drives the swing rods 10, the connecting rod 26 is used for linking the two swing rods 10 on the outer side to move simultaneously, and the structure is simple but the mechanical property is good. The locking block 25 is provided with a locking hole 22 which can be matched with a lock catch 35 arranged on, i.e. fixed to, e.g. welded to, the driving block 31, and the lock catch 17 is locked in the locking hole 22 in a locking state, so that the stability during locking is enhanced. In fig. 1 and 2, the locking hole 22 is a straight hole along with the natural sagging of the swing link 10. Referring to fig. 6, as the swing rod 10 is gradually pushed upward, the swing rod gradually traverses until the swing rod is finally pushed to be horizontal, at this time, the bottom surface of the locking block 25 is basically in a fit state with the top surface of the driving block 31, so that the supporting frame 13 is locked at the upper limit position. Referring to fig. 7, the driving block 25 and the frame 1 are provided with a tension spring 41 for better abutting the driving block 13 against the locking block 25 so that the top of the toilet bowl 14 is more closely abutted against the buttocks of the defecation person, one tension spring post 36 of the tension spring 41 is provided on the driving block 31, and the other tension spring post is provided on the cross beam 3. In fig. 7, the tension spring 41 is not in a working state, and in the working state, when the driving block 31 is driven by the driving rod 15 to rotate 180 degrees along the hinge shaft, i.e. after reaching the right dead point, the tension spring 41 is in the working state, i.e. the driving block 31 is more closely abutted against the locking block 25 so that the top of the toilet bowl 14 is more closely abutted against the buttocks of the defecation person.

The structure of the second embodiment of the manual driving and locking device is as follows: the driving block connected with a driving rod which moves horizontally is hinged on the bed frame, the pushing part of the driving block relative to the outer side swing rod is provided with an arc surface, the outer side swing rod is also provided with a locking block, the bottom surface of the locking block is abutted against the top surface of the driving block so as to enable the supporting frame to swing to and be locked at the upper limit position, and the two outer side swing rods are fixed with connecting rods. Referring to fig. 6, the swing rod is gradually pushed upwards and gradually traversed until the swing rod is finally pushed to be horizontal, and at the moment, the bottom surface of the locking block is basically in a fit state with the top surface of the driving block, so that the support frame is locked at the upper limit position. The above structure is the same as that of the first embodiment. The difference lies in that: the locking block can be a solid bump, and the lock catch and the lock hole are eliminated in the embodiment mode, and the following driving rod locking device which is arranged on the bedstead and used for locking the driving rod is adopted to replace the driving rod locking device: the driving rod locking device can be a clamping block arranged on the straight beam on the side, the rear end of the clamping block is hinged to the straight beam, a clamping groove matched with the shape of the driving rod is formed in the front end of the clamping block, and the clamping block locks the driving rod to the dead point position on the side. The driving rod locking device can also adopt the following structure: and when the driving rod is abutted to the dead point position of the side, a bolt penetrates through the through hole at the end part of the driving rod and is inserted into the through hole at the outer end part of the driving rod to position the driving rod, and the bolt is pulled out when the locking is released. The driving rod locking device can also adopt the following structure: the bedstead on the inner side of the driving rod is hinged with a half hoop, the other half hoop is hinged with the half hoop, and when the driving rod is positioned at the dead point, the two half hoops are folded and clamped by a buckle mutually. Since the second embodiment of the manual driving and locking device for the swing frame has a relatively simple structure, it is easily understood by those skilled in the art, and therefore, it is not shown in the drawings.

Referring to fig. 8, the third embodiment of the manual driving and locking device is constructed as follows: the driving block 52, to which the driving rod 42 for the vertical-like movement is connected, is hinged to the frame 1, here to the cross-beam 3, via the hinge shaft 44. What is shown in fig. 8 can be understood as a part of the drive block 52 furthest to the left, i.e. close to the cross beam 3: the rear end of the driving block 52, i.e. the right end in fig. 8, is provided with a locking bar 45, and the cross beam 3 of the bed frame is provided with a buckle seat which makes the locking bar 45 swing transversely to buckle on the top when the supporting frame is pushed to the upper limit position through the swing bar and the driving block. The hasp seat comprises a cylinder 49 and a hasp body 48 which is matched with the cylinder 49 in a sliding mode, the top of the hasp body 48 is a hasp platform 46, and a spring 47 which enables the top of the hasp platform 46 to be pressed upwards is arranged between the hasp platform 46 and the inner bottom surface of the cylinder. The middle part of the driving block 52 adjacent to the left side is provided with a connecting rod shaft hole; the right side of the driving block, which is close to the middle part, is provided with an arc surface, the arc surface is used for pushing and matching relative to an outer side swing rod, and the outer side swing rod is also provided with a locking block, the bottom surface of the locking block is abutted against the tail end of the arc surface of the driving block, so that the support frame can be swung to and locked at the upper limit position. The support frame is gradually pushed upwards along with the swing rod to gradually traverse until the support frame is finally pushed to be horizontal, so that the support frame is locked at the upper limit position. The manual driving and locking device of the swing frame has the following main differences from the first embodiment: the driving lever 42 rotates in a vertical state instead of a horizontal state; the end face of the circular arc surface of the driving block 52 is matched with the bottom surface of the locking block instead of the top surface of the driving block being matched with the bottom surface of the locking block; the locking block can be a solid bump, and the structure of the lock rod 45 and the buckle seat is adopted to replace the solid bump without a lock buckle and a lock hole. The lock rod 45 at the rear end of the driving block 52 is locked when being buckled on the hasp platform 46 in a transverse swinging way; the lock lever 45 at the rear end of the driving block 52 is swung laterally to disengage from the latch platform 46.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the bed further comprises a swing arm 18 hinged to the other end of the two beams, i.e. the beam 4 and the beam 5, far away from the swing frame 12, and provided with a stool hole plug 6, wherein the stool hole plug 6 is mounted on the swing arm 18 through a base plate 7 or a stool hole plug support plate. One end of the swing arm 18 is hinged on the bedstead 1 through the swing arm hinge shaft 2 and fixed with one end of a push-pull block 17, the other end of the push-pull block 17 is hinged with a connecting rod 16, the other end of the connecting rod 16 is hinged with a connecting rod shaft hole 32 on the driving block 31 through a shaft, and a U-shaped groove 37 for accommodating the end section connecting rod 16 is arranged in the transverse edge of the driving block 31. When the driving rod 15 drives the driving block 31 to lock the tray frame 12 to the upper limit position, the hole plug 6 is far away from the defecation hole 27, and when the driving rod 15 rotates 180 degrees horizontally along the hinge point of the driving rod 15, i.e. the hinge shaft and the hinge hole 33, to another dead point, i.e. a left dead point, the connecting rod 16 drives the swing arm 18 and the hole plug 6 to seal the defecation hole 27, and the tray frame 12 and the toilet bowl 14 naturally droop far away from the defecation hole 27 under the self-gravity.

In the third manual driving and locking device, the middle portion of the driving block adjacent to the left side is provided with a link shaft hole, and the driving block of the structure adopts a left-middle-right structure, so that the end section link does not interfere with the driving block, i.e., a U-shaped groove for accommodating the end section link is not required. When the driving rod drives the driving block to lock the support frame to the upper limit position, the excrement hole plug is far away from the excrement discharge hole, and when the driving rod vertically rotates to another dead point, namely the upper dead point, along the self hinge point, namely the hinge shaft and the hinge hole, the connecting rod drives the swing arm and the excrement hole plug to close the excrement discharge hole, and the support frame and the excrement barrel naturally droop under the self gravity, far away from the excrement discharge hole.

The bed further comprises a locking and unlocking device for locking or unlocking the free end of the swing arm far away from the hinge shaft relative to the bed frame, and the locking and unlocking device can be called as the locking device and the unlocking device when the bed is unfolded. It will be understood that the locking and unlocking means is actually a single device, but operates in the reverse direction, the forward direction locking and the reverse direction unlocking, as will be seen in the following five embodiments.

As shown in fig. 1, 2, 12, 13, 14 and 15, a first specific structure of the swing arm free end locking and releasing device is as follows: the side beam 4 corresponding to the swing arm free end 8 at the upper limit position is provided with a hole 65 for the movable shaft 63 to axially move, a shaft sleeve 64 can be arranged between the hole 65 and the movable shaft 63, the movable shaft 63 axially slides in the shaft sleeve 64, the movable shaft 63 can also directly axially move in the hole 65, but the shaft sleeve 64 is preferably arranged, and the movable shaft 63 axially slides in the shaft sleeve 64. The other end of the movable shaft 63, which is far away from the free end 8 of the swing arm, is connected with one end of the crank arm 20, a hole at the end of the crank arm 20 is movably sleeved on the end of the movable shaft 63, the outer end of the movable shaft 63, which is far away from the free end 8 of the swing arm, is provided with a limiting structure 66 for preventing the crank arm 20 from jumping out, and the shaft at the inner side of the crank arm can be provided with the limiting structure 66. The middle of the crank arm 20 is hinged on the beam 4 through a crank arm hinge shaft 19, the other end of the crank arm 20 is provided with a separation groove 21 which is embedded or separated with the driving shaft 38 on the driving block 31 of the driving locking device, so that the movable shaft 63 is driven by the crank arm 20 to extend into the bottom of the free end 8 of the swing arm so as to lock the free end 8 of the swing arm or retract axially so as to separate from the free end 8 of the swing arm.

As shown in fig. 1, 2, 12, 13, 14 and 15, when the driving rod 15 drives the driving block 31 to rotate 180 ° horizontally along the hinge axis to a dead point, such as the left dead point in the figure, the connecting rod 16 drives the swing arm 18 and the hole plug 6 to close the hole 27; meanwhile, the driving shaft 38 on the driving block 31 is embedded in the clutch groove 21 at the end of the crank arm 20 to drive the crank arm 20 to swing along the crank arm hinge shaft 19, the connecting end at the other end of the crank arm 20 pushes the movable shaft 63 to extend towards the right side step by step, and when the free end 8 of the swing arm reaches the top dead center position, the movable shaft 63 axially extends into the bottom of the free end 8 of the swing arm to lock the free end 8 of the swing arm; on the contrary, when the driving rod 15 drives the driving block 31 to rotate 180 ° horizontally along the hinge shaft to another dead point such as the right dead point, the driving shaft 38 on the driving block 31 drives the crank arm 20 to rotate in the opposite direction, the movable shaft 63 retracts to separate from the free end 8 of the swing arm, and the driving shaft 38 is separated from the separation groove 21, and at the same time, the driving rod 15 drives the driving block 31 to separate the stool hole plug 6 from the stool hole 27 through the connecting rod 16 and the swing arm 18.

The first specific structure can be further modified as follows: when the free end of the swing arm is positioned at the upper limit position, a hole for the axial movement of a movable shaft is also arranged on the cross beam at the other side, a shaft sleeve is also arranged between the hole and the shaft, and the movable shaft axially slides in the shaft sleeve. The other end of the movable shaft far away from the free end of the swing arm is connected with one end of a crank arm, the middle of the crank arm is hinged on the cross beam through a hinge shaft, and the other end of the crank arm is provided with a separation groove which is embedded or separated with a driving shaft hinged on a driving block of the bed frame so as to drive the movable shaft to extend into the bottom of the free end of the swing arm through the crank arm to lock the free end of the swing arm or retract axially to separate from the free end of the swing arm. That is, the other symmetrical side is also provided with a locking and releasing device with basically the same structure, four points are arranged on one side, and the technical effect that the defecation hole plug at the defecation hole cannot be sunken downwards at any time is better. The working principle of the structure is the same as that of the first specific structure. The main difference is that the driving rod and the driving block are arranged independently and are not linked with a driving locking device which is used for driving the swing arm to the hole sealing position and locking or driving the swing arm to be far away from the hole sealing position, namely the driving locking device is not included.

As shown in fig. 16 and 17, a second specific structure of the swing arm free end locking and releasing device is as follows: a locking block hinged shaft 72 is arranged on the cross beam 4 on one side corresponding to the swing arm free end 8 when the swing arm free end 8 is located at the upper limit position, the middle of a locking block 71 used for supporting the bottom of the swing arm free end 8 is hinged to the locking block hinged shaft 72, a cut-in inclined surface 69 is arranged at one end, close to the swing arm free end 8, of the locking block 71, the other end, far away from the swing arm free end 8, of the locking block 71 is hinged to one end of a locking block connecting rod 70 through the hinged shaft, the other end of the locking block connecting rod 70 is hinged to a locking block driving shaft 68 on a driving block of the driving locking device, and the locking block 71 is driven by the locking block connecting rod 70 to rotate and extend into the bottom of the swing arm free end 8 to lock the swing arm free end 8 or rotate back to be separated from the swing arm free end 8.

As shown in fig. 16, 17 and 3, when the driving rod drives the driving block to rotate horizontally by 180 ° along the hinge shaft to a dead point, such as a left dead point, the link driving shaft 67 hinged on the driving block drives the swing arm 18 and the hole plug 6 to seal the defecation hole 27 via the link 16; meanwhile, the locking piece driving shaft 68 drives the locking piece connecting rod 70 and further drives the locking piece 71 to rotate along the locking piece hinge shaft 72, and the cut-in inclined surface 69 gradually extends into the locking piece driving shaft so that the top of the locking piece 71 is abutted to the bottom of the swing arm free end 8 to lock the swing arm free end 8; on the contrary, when the driving rod drives the driving block to rotate 180 ° horizontally along the hinge shaft to another dead point such as the right dead point, the locking block driving shaft 68 drives the locking block connecting rod 70 to drive the locking block 71 to rotate reversely along the hinge shaft 72, the cut-in inclined plane 69 gradually withdraws until the locking block 71 is separated from the swing arm free end 8, and at the same time, the driving rod drives the driving block to drive the swing arm 18 via the connecting rod driving shaft 67 and the connecting rod 16 to make the defecation hole plug 6 far away from the defecation hole 27.

The second specific structure can be further modified as follows: the other side beam corresponding to the free end of the swing arm is also provided with a lock block hinge shaft, the middle of a lock block for supporting the bottom of the free end of the swing arm is hinged on the lock block hinge shaft, one end of the lock block close to the free end of the swing arm is provided with a cut-in inclined plane, the other end of the lock block far away from the free end of the swing arm is hinged with one end of a lock block connecting rod through the hinge shaft, the other end of the lock block connecting rod is hinged with a lock block driving shaft hinged on a driving block of the bedstead, so that the lock block is driven by the connecting rod to rotate and extend into the bottom of the free end of the swing arm to lock the free end of the swing arm or rotate back to separate from the free end of the swing arm. That is to say, the other symmetrical side is also provided with a locking and releasing device with basically the same structure, four points are on one surface, and the technical effect that the defecation hole plug at the defecation hole cannot be sunken downwards at any time is better. The working principle of the structure is the same as that of the second specific structure. The main difference is that the driving rod and the driving block are arranged independently and are not linked with a driving locking device which is used for driving the swing arm to the hole sealing position and locking or driving the swing arm to be far away from the hole sealing position, namely the driving locking device is not included.

As shown in fig. 18 and 7, the third specific structure of the swing arm free end locking and unlocking device is as follows: two through holes 75 for the movable shafts 76 to axially slide are respectively arranged on two sides of a connecting plate 74 of the free end 8 of the swing arm, the outer end of each movable shaft 76 extends out of the outer side of the connecting plate 74, a cross beam 4 and a cross beam 5 which correspond to the end connecting plate 74 when the end connecting plate is located at the upper limit position are respectively provided with a hole for the large-diameter section of each movable shaft 76 to axially extend into so as to lock the free end 8 of the swing arm, two sliding seats 78 are further fixed on the connecting plate 74, a through hole 81 for the small-diameter section 82 of each movable shaft, namely the small-diameter section of each movable shaft 76 to axially slide is arranged on each sliding seat 78, each small-diameter section 82 of each movable shaft is respectively sleeved with a pressure spring 77, one end of each pressure spring 77 is abutted to the large-diameter end face, the other end of each pressure spring 77 is abutted to the sliding seats 78, the inner ends of the small-diameter sections 82 of the two movable shafts are jointly fixed with a metal wire 80, a metal pull wire in the wire pulling device is fixedly connected with the metal pull wire 80, two guide 79 which are positioned on one side of the metal wire 80 are fixed on a pull operating end point 40 of the driving rod of the pull device, and the pull operating handle 39 of the pull operating roller is fixed with the pull operating handle. A sliding sleeve 83 with an axis vertical to the metal wire can be fixed on the connecting plate 74, an external thread is arranged on the external circle of the sliding sleeve 83, an adjusting nut 84 for adjusting the tightness of the metal stay wire is screwed on the external thread, the outer end of the adjusting nut 84 is fixed with the outer sleeve 73 of the wire pulling device, and the metal stay wire in the wire pulling device is fixed with the metal wire 80 through a slideway and a sliding block of the sliding sleeve 83. When the operating handle 39 is held and pressed, the steel wire pull wire is driven to pull the metal wire 80 on the connecting plate together, so that the movable shafts 76 are all retracted inwards and aligned with the holes on the cross beam 4 and the cross beam 5, the operating handle 39 is released, and the free ends 8 of the swing arms are locked on the two cross beams by the two movable shafts 76; when the locking is required to be released, the operating handle 39 is held and pressed to drive the steel wire pull wire so as to pull the metal wire 80 on the connecting plate 74 together to enable the movable shaft 76 to contract inwards and leave the holes on the cross beam 4 and the cross beam 5, then the operating handle 39 is released, and the free end 8 of the swing arm is separated from the two cross beams.

As shown in fig. 19, a fourth specific structure of the swing arm free end locking and releasing device is as follows: a fixed seat 85 with a through hole is arranged on the cross beam 5 on one side corresponding to the swing arm free end 8 positioned at the upper limit position, a lock rod 86 axially sliding through the through hole of the fixed seat and inserted into the bottom of the swing arm free end 8 passes through a longitudinal beam hole 87 close to an operator, and the operation section of the lock rod 86 extends out of the outer side of the longitudinal beam. It will be understood that the end remote from the operative portion is the insertion end. The bottom of the free end 8 of the insertion swing arm is generally the bottom of the short bar inserted at the free end of the rectangular frame of the swing arm, but it is also possible to insert the bottom of the section of the free end of the long bar inserted at the rectangular frame. The structure is simple to operate: the bottom of the free end of the swing arm is inserted to lock, and the locking is released when the swing arm is pulled out.

As a further improvement of the fourth specific structure, a fixed seat with a through hole is also arranged on the cross beam on the other side corresponding to the position of the free end of the swing arm at the upper limit position, a lock rod axially sliding through the through hole of the fixed seat and used for being inserted into the bottom of the free end of the swing arm penetrates through a longitudinal beam hole close to an operator, and the operating section extends out of the outer side of the longitudinal beam. That is, the other symmetrical side is also provided with a locking and releasing device with basically the same structure, four points are arranged on one side, and the technical effect that the defecation hole plug at the defecation hole cannot be sunken downwards at any time is better.

As a further improvement of the fourth specific structure, the two lock rods outside the bed frame are provided with connecting rods for linkage of the two lock rods. When the connecting rod is drawn, the two lock rods synchronously enter and exit, so that the fourth locking and unlocking device is more convenient to operate.

As shown in fig. 20 and 21, a fifth specific structure of the swing arm free end locking and releasing device is as follows: the two lateral beams corresponding to the free end of the swing arm at the upper limit position are respectively provided with a hole for the movable shaft 60 to axially move, a shaft sleeve 89 can be arranged between the hole and the movable shaft 60, the movable shaft 60 axially slides in the shaft sleeve 89, the movable shaft 60 can directly axially move in the hole, but the shaft sleeve 89 is preferably arranged, and the movable shaft 60 axially slides in the shaft sleeve 89. The other end of the movable shaft 60, which is far away from the free end 8 of the swing arm, is an electromagnet absorbing and releasing device 90, which comprises a shell and a magnetic core, wherein the magnetic core is sleeved in an electromagnetic coil arranged in the shell, a spring 91 for resetting is arranged on the movable shaft 60, the shell is arranged on the cross beam, a switch connected with the electromagnetic coil through a wire 88 is arranged on the operating rod of the driving locking device, so that the magnetic core is absorbed back when the power is on or the power is off, and the movable shaft is reset under the spring force to be separated from the free end of the swing arm or stretch into the bottom of the free end of the swing arm to lock the free end of the swing arm. Again, as will be understood by those skilled in the art: the switch, the battery and the electromagnetic coil form an electric loop through a lead. The shell is fixed in the outside of crossbeam, and the other end magnetic core that the swing arm free end was kept away from to the loose axle is overlapped in solenoid, has the spring that makes the direction of activity axial swing arm free end compress tightly under natural state on the shell with the loose axle that is close to the swing arm free end, and this terminal surface of spring one end top to shell, the other end supports to the stopper or the post that this boundary line department that does not insert the swing arm free end bottom on the loose axle was equipped with. It can also be understood that: the structure principle of the electromagnet absorbing and releasing device is similar to that of an electromagnetic valve, but a shaft of the electromagnetic valve moves vertically, and a movable shaft moves horizontally; the electromagnetic valve is reset by the dead weight of the valve core, and the movable shaft of the invention is reset by a spring. The electromagnet absorbing and releasing device can be purchased from commercially available core electromagnetic valves, such as the types: 4yc, 40N suction force, 6cm stroke, 45mm x 45mm core mounting hole, 24V voltage for electromagnet coil MFZ1, or 220V voltage for electromagnet coil MFB 1.

As shown in fig. 20 and 21, when the driving rod drives the driving block to rotate horizontally by 180 ° along the hinge shaft to a dead point, such as a left dead point, the connecting rod drives the swing arm and the toilet hole plug to seal the toilet hole; meanwhile, the electromagnetic coil is powered on by pressing the switch, the magnetic core, namely the movable shaft, is sucked back by overcoming the spring force, the free end of the swing arm is positioned at the top dead center position under the driving of the connecting rod at the moment, the power is cut off, and the movable shaft is reset under the spring force so that the movable shaft extends into the bottom of the free end of the swing arm to lock the free end of the swing arm. On the contrary, the magnetic core, namely the movable shaft, is sucked back by electrifying, so that the movable shaft is separated from the free end of the swing arm, meanwhile, the driving rod drives the driving block to horizontally rotate for 180 degrees along the hinge shaft to another dead point, namely a right dead point, the driving rod drives the driving block to enable the defecation hole plug to be far away from the defecation hole through the connecting rod swing arm, meanwhile, the electricity is cut off again, and the movable shaft is reset under the spring force to be stretched in a free state.

As shown in fig. 9, 10 and 11, the two side outer walls of the toilet bowl 14 are symmetrically provided with a positioning block 51, a shaft 50 coaxial with each other is installed below the center point of each positioning block 51, and two frames of the toilet bowl support frame 13 corresponding to the two shafts 50, namely the frame edge 23 and the frame edge 24, are respectively provided with a groove 61 which is inclined outwards and is opened upwards and is used for accommodating the respective shaft 50. The two frames of the toilet supporting frame 13, namely the frame 23 and the frame 24, for supporting the toilet 14 are made of magnetic conductive metal materials, the peripheral surface of each positioning block 51 is provided with a part of convex, the bottom end surface of the part of convex is jointed with the upper surface of the corresponding frame when the toilet 14 is in a vertical state, and the convex jointing surface of the positioning block 51 is embedded with a magnet 58 for sucking the frame so as to keep the toilet 14 in a vertical state; the partially convex inclined end surface is engaged with the upper surface of the rim when the toilet bowl 14 is in the outward inclined state, and a magnet 58 for attracting the rim is embedded on the convex engaging surface of the positioning block 51 so as to keep the toilet bowl 14 in the outward inclined state.

As shown in figures 9, 10 and 11, a positioning block 51 projects from the inner wall of the barrel and extends partially through the barrel wall, and has a single water jet 56 with an outlet facing the toilet of the patient. That is, the water nozzle 56 is a single water outlet, and the water spraying angle of the water nozzle 56 is aligned with the defecation part of the defecation person, which is generally referred to as the anus; of course, the patient can also move a little bit to wash the urine. The angle between the axis of the nozzle 56 and the vertical is preferably 30 to 60 °, and most preferably 45 °. The positioning block 51 has a water passage 57 therein, and a water inlet connector 59 is provided on an outer side portion of the positioning block 51. Of course, it is within the scope of the present invention to provide the water nozzle structure described in this paragraph on another positioning block. It will be appreciated that the water inlet connector 59 is connected to the water tank via a water pipe and a water pump, and the water in the water tank can be controlled to be at a constant temperature. The toilet bowl 14 is internally provided with a disposable toilet bag 54 which is sleeved from an opening of the toilet bowl 14, the opening of the toilet bag 54 is provided with a strap 62 for tightening a bag opening and sealing, a through hole is arranged at a position of the toilet bag 54 corresponding to the water spray nozzle 56, and a hard connecting block 55 with a through hole is arranged for connecting with the single-opening water spray nozzle 56 and allowing water to pass through, namely, the connecting block 55 is sleeved on the single-opening water spray nozzle 56, and of course, the connecting block 55 can also be replaced by a patch with a through hole. The upper edge of the barrel 14, which is located forwardly of the patient in the urination direction, is preferably, but not necessarily, provided with a convex urination stop, 53.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Nursing bed with defecation facility, comprising a bed frame (1) provided with at least two straight beams (9, 11) and a plurality of cross beams, a mattress (29) placed above two of the cross beams (4, 5), wherein the mattress (29) is provided with defecation holes (27), and the nursing bed is characterized in that: two cross beams (4 and 5) below the defecation hole (27) are hinged with swing frames (12) which are formed by hinging the lower ends of four swing rods (10) with a supporting frame (13) and swing along the length directions of the cross beams (4 and 5);

two swing rods (10) of the four swing rods (10) close to a straight beam (11) are fixed with connecting rods (26) which enable the two swing rods (10) to be linked;

the swing frame (12) swinging along the length direction of the cross beams (4 and 5) has an inward swinging angle smaller than or equal to 90 degrees and an outward swinging angle smaller than 60 degrees;

the bed frame (1) is provided with a manual driving and locking device which can push the supporting frame (13) to the upper limit position of the defecation hole (27) through the swing rod (10) and lock the supporting frame so as to enable the top of the toilet bowl in the supporting frame (13) to be close to or contacted with the buttocks of a defecation person;

the manual driving and locking device has the following structure: a driving block (31) connected with a driving rod (15) which moves horizontally is hinged on the bedstead (1), a pushing part of the driving block (31) relative to an outer side swing rod (10) is provided with an arc surface (34), and the outer side swing rod (10) is also provided with a locking block (25) the bottom surface of which is abutted against the top surface of the driving block (31) so as to ensure that the supporting frame (13) swings to and is locked at an upper limit position; the locking block (25) is provided with a lock hole (22) which is matched with a lock catch (35) arranged on the driving block (31);

the bed further comprises a swing arm (18) which is hinged to the other ends of the two cross beams (4 and 5) far away from the swing frame (12) through a hinge shaft (2) and is provided with a defecation hole plug (6) for closing a defecation hole (27), the defecation hole plug (6) is arranged on the swing arm (18) through a defecation hole plug supporting plate (7), and a connecting rod (16) for enabling the swing frame (12) and the swing arm (18) to be linked is arranged on the swing arm (18) and the manual driving and locking device; one end of a push-pull block (17) is fixed with one end of a swing arm hinge shaft (2), the other end of the push-pull block (17) is hinged with one end of a connecting rod (16), the other end of the connecting rod (16) is hinged in a connecting rod shaft hole (32) of a driving block (31) far away from an arc surface (34) through a shaft, and a U-shaped groove (37) for containing the connecting rod (16) at the end part section is arranged in the transverse edge of the connecting rod shaft hole (32) of the driving block (31);

the bed also comprises a locking and unlocking device for locking or unlocking the free end (8) of the swing arm far away from the other end of the hinge shaft (2) relative to the bed frame (1): a hole (65) for enabling a movable shaft (63) to axially move is formed in a cross beam (4) on one side corresponding to the swing arm free end (8) when the swing arm free end (8) is located at the upper limit position, the movable shaft (63) axially moves in the hole (65), the other end, away from the swing arm free end (8), of the movable shaft (63) is connected with one end of a crank arm (20), the middle of the crank arm (20) is hinged to the cross beam (4) through a crank arm hinge shaft (19), a clutch groove (21) which is embedded with or separated from a driving shaft (38) on a driving block (31) of a driving locking device is formed in the other end of the crank arm (20), and the movable shaft (63) is driven by the crank arm (20) to extend into the bottom of the swing arm free end (8) to lock the swing arm free end (8) or axially retract to separate from the swing arm free end (8);

the outer walls of two sides of the toilet bowl (14) are symmetrically provided with positioning blocks (51), a shaft (50) which is coaxial with each other is arranged below the central point of each positioning block (51), and two frame edges (23, 24) of the toilet bowl support frame corresponding to the two shafts (50) are respectively provided with a groove (61) which inclines outwards and is opened upwards and is used for accommodating the respective shaft (50); the frame edge (23) and the frame edge (24) of the toilet supporting frame (13) for supporting the toilet (14) are both made of magnetic conductive metal materials, the peripheral surface of each positioning block (51) is provided with a part of convex, the bottom end surface of the part of convex is jointed with the upper surface of the corresponding frame when the toilet (14) is in a vertical state, and the convex jointing surface of the positioning block (51) is embedded with a magnet (58) for sucking the frame so as to keep the toilet (14) in a vertical state; part of the convex inclined end surface is jointed with the upper surface of the frame when the toilet (14) is in an outward inclined state, and a magnet (58) which attracts the frame is embedded on the convex jointing surface of the positioning block (51) so as to keep the toilet (14) in an outward inclined state;

at least one positioning block (51) is partially penetrated through the barrel wall and is protruded on the inner wall, a single-opening water spray nozzle (56) with an outlet facing the defecation part of a patient is arranged on the inner convex part of the positioning block (51), a water channel (57) is arranged in the positioning block (51), and a water inlet joint (59) is arranged on the outer side part of the positioning block (51).

2. A care bed with a bowel movement facility according to claim 1, wherein: the bed frame is further provided with a drive lever locking means for locking the drive lever (15) at a dead point position at which the frame side is held at the upper limit position.

3. The nursing bed with a defecation facility, as claimed in claim 1, wherein: the swing frame comprises at least three swing rods and a supporting frame, wherein the upper ends of at least two swing rods are hinged with one cross beam, and the lower ends of the two swing rods are hinged with a frame edge of the supporting frame below the cross beam; the upper ends of the rest swing rods are hinged with the other cross beam, and the lower ends of the rest swing rods are hinged with the frame edge of the support frame below the other cross beam.

4. The nursing bed with a defecation facility, according to claim 3, characterized in that: the swing frame (12) comprises four swing rods (10) and a supporting frame (13), the supporting frame (13) is a regular quadrangle, the upper ends of the two swing rods (10) are hinged with one of the cross beams (5), the lower ends of the two swing rods (10) are hinged with the two ends of a frame edge (24) of the supporting frame (13) below the cross beam (5), the two swing rods (10) are located on the outer sides of the frame edge (24), and the frame edge (24) below is parallel to the root cross beam (5) above; the upper ends of the other two swing rods (10) are hinged with the other cross beam (4), the lower ends of the two swing rods (10) are hinged with the two ends of a frame edge (23) of the supporting frame (13) located below the cross beam (4), the two swing rods (10) are located on the outer side of the frame edge (23), and the frame edge (23) is parallel to the upper cross beam (4).