CN211610441U

CN211610441U - Frame of nursing bed

Info

Publication number: CN211610441U
Application number: CN201922498382.6U
Authority: CN
Inventors: 王世正
Original assignee: Ningbo Xinlei Medical Equipment Co ltd
Current assignee: Ningbo Xinlei Medical Equipment Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-02
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a frame of nursing bed, including bedstead, backplate frame, leg grillage, its characterized in that: the backplate frame sets up in the front end of bedstead and drives in order to play the back and put it level through first backplate drive structure, leg grillage sets up in the rear end of bedstead and drives in order to lift the leg or put the leg through leg board drive structure, the frame is equipped with the central line, bedstead, backplate frame and leg grillage are articulated in central line department, backplate frame lower part is equipped with and is used for carrying out the second backplate drive structure of turning on one's side for axis of rotation with bedstead, backplate frame and leg board frame along the articulated department of central line. The utility model relates to a frame of a nursing bed, which can lift the back of a patient, lift legs or put legs and turn on one side.

Description

Frame of nursing bed

Technical Field

The utility model relates to a nursing bed technical field, in particular to nursing bed's frame.

Background

For patients with poor self-care ability or no self-care ability and the like who need to lie on bed for a long time, the patients generally need to frequently adjust the sitting posture or lying posture, so that the patients can feel more comfortable, and soft tissue ulceration and even necrosis caused by blood circulation obstruction, local continuous ischemia, oxygen deficiency and malnutrition of certain parts of the bodies due to long-time compression are avoided. In the process of nursing patients, medical staff often help patients safely and quickly complete partial turning or posture adjustment actions by means of a nursing bed, and a common sickbed has a single function, cannot solve the problem that the life of the patients cannot be self-care, such as back lifting, leg lifting or leg placing, side turning and the like, and has difficulty in the life of the patients.

Disclosure of Invention

The utility model discloses the technical problem that will solve is: provides a frame of a nursing bed which can lift the back, raise the legs, put the legs and turn the patient on one side.

The utility model provides a technical scheme that above-mentioned problem adopted is a frame of nursing bed, including bedstead, backplate frame, leg plate frame, its characterized in that: the backplate frame sets up in the front end of bedstead and drives in order to play the back and put it level through first backplate drive structure, leg grillage sets up in the rear end of bedstead and drives in order to lift the leg or put the leg through leg board drive structure, the frame is equipped with the central line, bedstead, backplate frame and leg grillage are articulated in central line department, backplate frame lower part is equipped with and is used for carrying out the second backplate drive structure of turning on one's side for axis of rotation with bedstead, backplate frame and leg board frame along the articulated department of central line.

Compared with the prior art, the utility model has the advantages of: the back of the body and the flat setting are carried out on the back plate frame through the first back plate driving structure, so that a patient can sit up and have a dinner conveniently, the leg plate driving structure drives the leg plate frame to lift or put down to lift or put legs, and the second back plate driving structure drives the frame to turn on the side integrally along the hinged position of the central line, so that the patient can turn on the side, and the whole frame structure is complete and rich in functions.

Preferably, the first backplate driving structure comprises a first backplate arm, and is characterized in that: the tip of first backplate arm rotates and is equipped with first backplate drive wheel, the backplate frame is equipped with first backplate wheel carrier, first backplate wheel carrier is equipped with the first slip chamber that is used for supplying first backplate drive wheel to remove, first slip chamber has the first slip opening that supplies first backplate drive wheel and the connecting portion of first backplate arm to pass through and establishes the first sliding groove who is used for supplying first backplate drive wheel embedding or deviates from first slip chamber in first slip chamber one end.

Preferably, the outside of backplate frame is equipped with the backplate frame, be equipped with backplate drive block on the first backplate arm, be equipped with backplate drive structure on the backplate frame, backplate drive block promotes the relative backplate frame of backplate frame and lifts through backplate drive structure when relative bedstead of first backplate arm drive backplate frame lifts.

Preferably, backplate drive structure includes backplate driven piece, first backplate actuating lever, second backplate actuating lever, backplate drive seat is fixed on the backplate frame, first backplate actuating lever passes the setting of backplate drive seat, the one end of first backplate actuating lever is connected with backplate drive piece, the other end is articulated with the one end of second backplate actuating lever, the other end and the backplate frame of second backplate actuating lever are articulated, backplate drive piece promotes the removal of the driven piece of backplate, thereby makes the relative backplate frame of second backplate frame lift.

Preferably, the guard plate driven block is provided with a guard plate driven matching surface matched with the guard plate driving block, the guard plate driven matching surface comprises an inclined section and a straight section, the guard plate driving block is matched with the inclined section to lift the guard plate frame relative to the back plate frame when the first back plate driving wheel is at the front section of the first sliding cavity in a sliding mode, and the guard plate driving block is matched with the straight section to enable the guard plate frame to be kept in a state of being lifted relative to the back plate frame when the first back plate driving wheel is at the rear section of the first sliding cavity in a sliding mode.

Preferably, first backplate drive structure still includes first backplate driving piece, first backplate pivot, second backplate arm, first backplate driving piece sets up in the bedstead, first backplate pivot is rotated and is set up in the bedstead, the drive end of first backplate driving piece passes through the second backplate arm and is connected with first backplate pivot, the other end and the first backplate pivot of first backplate arm are connected, the drive end of first backplate driving piece rotates in order to realize lifting up and putting level of backplate frame through first backplate arm drive second backplate arm.

Preferably, second backplate drive structure includes third backplate arm, the tip of third backplate arm rotates and is equipped with the second backplate drive wheel, the backplate frame is equipped with second backplate wheel carrier, second backplate wheel carrier is equipped with the second sliding chamber that is used for supplying the removal of second backplate drive wheel, the second sliding chamber has the second sliding opening that supplies the connecting portion of second backplate drive wheel and third backplate arm to pass through and establishes the second sliding clamping groove that is used for supplying second backplate drive wheel embedding or deviates from the second sliding chamber in second sliding chamber one end.

Preferably, second backplate drive structure still includes second backplate driving piece, second backplate pivot, fourth backplate arm, second backplate driving piece sets up in the bedstead, the second backplate pivot is rotated and is set up in the bedstead, the drive end of second backplate driving piece passes through fourth backplate arm and is connected with the second backplate pivot, the other end and the second backplate pivot of third backplate arm are connected, the drive end of second backplate driving piece pass through fourth backplate arm drive second backplate pivot second backplate arm drive third backplate arm rotates in order to realize the side of turning on one's side of backplate frame.

Preferably, the leg plate driving structure comprises a first leg frame, a second leg frame, a leg plate driving cylinder, a leg plate driving frame, a leg plate driven frame and a vertical frame, wherein one end of the first leg frame is hinged with the bed frame, the other end of the first leg frame is hinged with the second leg frame, the vertical frame is vertically fixed at the bed frame, one end of the leg plate driving frame is hinged with the lower end of the vertical frame, the other end of the leg plate driving frame is hinged with the leg plate driven frame, the leg plate driven frame is arranged at the lower part of the second leg frame, the driving end of the leg plate driving cylinder is hinged with the middle part of the leg plate driving frame,

the distance from the hinge point of the first leg frame and the bed frame to the hinge point of the leg plate driving frame and the vertical frame is equal to the distance from the hinge point of the first leg frame and the second leg frame to the hinge point of the leg plate driving frame and the leg plate driven frame, and the length of the first leg frame is equal to that of the leg plate driving frame.

Preferably, it is characterized in that: the improved lifting bed is characterized in that an underframe is arranged below the bed frame and comprises a bottom plate and a base, the base is fixedly connected with the bed frame, the bottom plate is slidably connected with the base, the supporting plate is arranged in the base, the supporting plate driving assembly comprises a supporting plate driving piece and a translation driving plate arranged on the bottom plate, a lifting plate, a supporting plate shearing fork lifting structure and a linkage structure, the translation driving plate is pushed by the supporting plate driving piece to translate, the lifting plate is arranged on the translation driving plate through the supporting plate shearing fork lifting structure in a lifting mode, the linkage structure is arranged between the translation driving plate and the lifting plate, the linkage structure limits the lifting plate to be lifted relatively by the translation driving plate in the supporting plate parallel moving process, and after the supporting plate parallel moving is finished, the lifting plate is relieved to be lifted so that the lifting.

Drawings

Fig. 1 is a schematic view of the overall structure of the nursing bed of the present invention.

Fig. 2 is a schematic view of the whole nursing bed of the present invention in another direction.

Fig. 3 is a schematic view of the back structure of the nursing bed when the back plate frame is placed on the bed.

Fig. 4 is the structure diagram of the protection plate frame.

Fig. 5 is a schematic structural view of a second back plate driving structure of the present invention.

Fig. 6 is a schematic view of the main structure of the nursing bed of the present invention.

Fig. 7 is a schematic structural view of the nursing bed supporting plate covering the defecation hole.

Fig. 8 is a schematic structural view of the nursing bed support plate of the utility model when opened.

Fig. 9 is a schematic perspective view of the pallet driving assembly of the present invention.

Fig. 10 is a schematic view of a driving structure of the first embodiment of the supporting plate driving assembly of the present invention when the supporting plate retracts into the base.

Fig. 11 is a schematic view of a driving structure of the first embodiment of the driving assembly for a supporting plate of the present invention when the supporting plate is moved to the defecation hole.

Fig. 12 is a schematic view showing another direction of the driving structure when the pallet moves to the defecation hole according to the first embodiment of the pallet driving assembly of the present invention.

Fig. 13 is a schematic view of a driving structure of the second embodiment of the supporting plate driving assembly of the present invention when the supporting plate retracts into the base.

Fig. 14 is a schematic view of the second embodiment of the pallet driving assembly according to the present invention, showing another direction of driving when the pallet retracts into the base.

Fig. 15 is a schematic view of a driving structure of the second embodiment of the driving assembly of the present invention when the supporting plate moves to the defecation hole.

Fig. 16 is a schematic view showing another direction of the driving structure when the support plate moves to the defecation hole according to the second embodiment of the present invention.

1. A backboard frame; 2. a first backplane drive structure; 2.1, a first backboard arm; 2.2, a first back plate driving wheel; 2.3, a first back plate wheel carrier; 2.3.1, a first sliding cavity; 2.3.2, a first sliding opening; 2.3.3, a first sliding clamping groove; 2.4, a first back plate driving piece; 2.5, a first backboard rotating shaft; 2.6, a second backplate arm; 3. a plate protecting frame; 4. a guard plate driving block; 5. a guard plate drive structure; 5.1, a guard plate driven block; 5.1.1, an inclined section; 5.1.2, a straight section; 5.2, a first guard plate driving rod; 5.3, a second guard plate driving rod; 5.4, a guard plate driving seat; 6. a second backplane drive structure; 6.1, a third backboard arm; 6.2, a second back plate driving wheel; 6.3, a second back plate wheel carrier; 6.3.1, a second sliding cavity; 6.3.2, a second sliding opening; 6.3.3, a second sliding clamping groove; 6.4, a second back plate driving piece; 6.5, a second back plate rotating shaft; 6.6, a fourth backplate arm; 7. a leg plate frame; 7.1, a first leg; 7.2, a second leg; 8. a leg plate drive structure; 8.1, driving a cylinder by a leg plate; 8.2, a leg plate driving frame; 8.3, a leg plate driven frame; 8.4, erecting; 8.5, the leg plate drives the lengthening arm; 11. a bed frame; 11.1, hip plate; 11.2, defecation holes; 12. a chassis; 12.1, a stop; 12.2, a bottom plate; 12.3, a base; 13. a support plate; 14. a pallet drive assembly; 14.1, a pallet drive; 14.1.1, a first connecting rod; 14.1.2, a second link; 14.2, translating the drive plate; 14.3, a lifting plate; 14.4, a supporting plate shear fork lifting structure; 14.4.1, a first yoke; 14.4.2, a second prong; 14.4.3, a pallet; 14.4.4, a second scissor slide rail of the supporting plate; 14.4.5, a top plate; 14.5, a clamping piece; 14.5.1, a bayonet; 14.6, an elastic piece; 14.7, a first slide rail; 14.8, magnetic suction pieces; 15. a limiting structure; 15.1, a limiting rod; 15.1.1, a limit groove; 15.1.2, a guide surface; 15.2, a limiting block; 15.3, an unlocking block; 15.4, lengthening the rod; 15.5, a top block.

Detailed Description

Embodiments of the present invention are further described below with reference to the accompanying drawings.

The utility model discloses a bed frame, including bedstead 11, backplate frame 1, leg plate frame 7, backplate frame 1 sets up in the front end of bedstead 11 and drives in order to play the back and put it flat through first backplate drive structure 2, leg plate frame 7 sets up in the rear end of bedstead 11 and drives in order to lift the leg or put the leg through leg plate drive structure 8, the frame is equipped with the central line, bedstead 11, backplate frame 1 and leg frame are articulated in central line department, backplate frame 1 lower part is equipped with and is used for carrying out the second backplate drive structure 6 that turns on one's side for the axis of rotation with bedstead 11, backplate frame 1 and leg frame along the articulated department of central line.

The first backboard driving structure 2 comprises a first backboard arm 2.1, a first backboard driving wheel 2.2 is rotatably arranged at the end part of the first backboard arm 2.1, the backboard frame 1 is provided with a first backboard wheel carrier 2.3, the first backboard wheel carrier 2.3 is provided with a first sliding cavity 2.3.1 for the first backboard driving wheel 2.2 to move, the first sliding cavity 2.3.1 is provided with a first sliding opening 2.3.2 for the first backboard driving wheel 2.2 to pass through with the connecting part of the first backboard arm 2.1, one end of the first sliding cavity 2.3.1 is provided with a first sliding slot 2.3.3 for the first backboard driving wheel 2 to be embedded into or separated from the first sliding cavity 2.3.1, the driving end of the first backboard arm 2.1 is provided with the first backboard driving wheel 2.2, the first backboard driving wheel 2.2 moves in the first backboard 2.3 of the backboard frame 1, the first backboard driving wheel carrier 2.1 is matched with the first backboard driving wheel carrier 1, the first backboard driving wheel carrier 2.1 is attractive, and the backboard can be prevented from contacting with the backboard driving wheel carrier 2.2 to lift the backboard to prevent the backboard from being damaged, first slip chamber 2.3.1 sets up along the direction of lifting of backplate frame 1 for supply first backplate drive wheel 2.2 to remove, and when backplate frame 1 was put at ordinary times, first backplate drive wheel 2.2 was deviate from in first slip chamber 2.3.1 through first slip draw-in groove 2.3.3, avoided backplate frame 1 to drive first backplate drive wheel 2.2 and rotate when turning on one's side first backplate wheel carrier 2.3.

Wherein, backplate frame 1's the outside is equipped with backplate frame 3, be equipped with backplate drive block 4 on the first backplate arm 2.1, be equipped with backplate drive structure 5 on backplate frame 3, backplate drive block 4 promotes backplate frame 3 and lifts relatively backplate frame 1 through backplate drive structure 5 when first backplate arm 2.1 drive backplate frame 1 lifts relatively bedstead 11, in the relative bedstead 11 lift process of first backplate arm 2.1 drive backplate frame 1, backplate drive block 4 of first backplate arm 2.1 drive end also drives backplate frame 3 and lifts relatively backplate frame 1 through backplate drive structure 5 simultaneously, can guarantee patient's position of sitting after backplate frame 3 lifts relatively backplate frame 1, protect the patient and avoid following backplate frame 1 and tilt up, and both can realize lifting and putting flat of backplate frame 3 relatively backplate frame 1 simultaneously through the rotation of first backplate arm 2.1, moreover, the steam generator is simple in structure, operation control is convenient.

The guard plate driving structure 5 comprises a guard plate driven block 5.1, a first guard plate driving rod 5.2, a second guard plate driving rod 5.3 and a guard plate driving seat 5.4, the guard plate driving seat 5.4 is fixed on the backboard frame 1, the first guard plate driving rod 5.2 penetrates through the guard plate driving seat 5.4 to be arranged, one end of the first guard plate driving rod 5.2 is connected with the guard plate driving block 4, the other end of the first guard plate driving rod 5.3 is hinged with one end of the second guard plate driving rod 5.3, the other end of the second guard plate driving rod 5.3 is hinged with the guard plate frame 3, the guard plate driving block 4 pushes the guard plate driven block 5.1 to move, so that the second guard plate driving rod 5.3 pushes the guard plate frame 3 to lift relative to the backboard frame 1, when the backboard frame 1 lifts relative to the bedstead 11, the first backboard driving wheel 2.2 slides in the first sliding cavity 2.3.1, the guard plate driving block 4 arranged on the first backboard arm 2.1 is matched with the guard plate driven block 5.1 to push, and, First backplate actuating lever 5.2 promotes second backplate actuating lever 5.3 and promotes backplate frame 3 and opens relative backplate frame 1, and backplate frame 1 is put when flat relative bedstead 11, and backplate drive block 4 cancels the promotion to backplate driven piece 5.1, and backplate frame 3 is put flat relative backplate frame 1.

Wherein the guard plate driven block 5.1 is provided with a guard plate driven matching surface matched with the guard plate driving block 4, the guard plate driven matching surface comprises an inclined section 5.1.1 and a straight section 5.1.2, the guard plate driving block 4 is matched with the inclined section 5.1.1 to lift the guard plate frame 3 relative to the backboard frame 1 when the first backboard driving wheel 2.2 slides at the front section of the first sliding cavity 2.3.1, the guard plate driving block 4 is matched with the straight section 5.1.2 to ensure that the guard plate frame 3 keeps the lifting state relative to the backboard frame 1 when the first backboard driving wheel 2.2 slides at the rear section of the first sliding cavity 2.3.1, the guard plate driving block 4 pushes the driven guard plate block 5.1 through the inclined section 5.1, and the inclined section 5.1.1 is arranged at the front section of the first backboard driving wheel 2.2 sliding cavity 2.3.1, namely the initial stage of the lifting of the backboard frame 1 relative to the 11, the guard plate frame 4 drives the guard plate frame 3 to open relative to avoid the inclined back plate frame 1 in the lifting process, the rear section of the first backboard driving wheel 2.2 sliding in the first sliding cavity 2.3.1 is a straight section 5.1.2, namely the protection board frame 3 is already opened to the maximum state in the rear section, and the lifting angle of the protection board frame 3 relative to the backboard frame 1 is kept unchanged in the process that the backboard frame 1 in the rear section is continuously lifted relative to the bed board.

Wherein, first backplate drive structure 2 still includes first backplate driving piece 2.4, first backplate pivot 2.5, second backplate arm 2.6, first backplate driving piece 2.4 sets up in bedstead 11, first backplate pivot 2.5 rotates and sets up in bedstead 11, the drive end of first backplate driving piece 2.4 is connected with first backplate pivot 2.5 through second backplate arm 2.6, the other end and the first backplate pivot 2.5 of first backplate arm 2.1 are connected, the drive end of first backplate driving piece 2.4 drives second backplate arm 2.6 through first backplate arm 2.1 and rotates in order to realize lifting and putting flat of backplate frame 1, first backplate driving piece 2.4 drives the backplate pivot through second backplate arm 2.6 and rotates, the backplate pivot is rotated through first backplate arm 2.1 drive backplate 1, the transmission is simple high-efficient.

Wherein, the second backboard driving structure 6 comprises a third backboard arm 6.1, the end of the third backboard arm 6.1 is rotatably provided with a second backboard driving wheel 6.2, the backboard frame 1 is provided with a second backboard wheel carrier 6.3, the second backboard wheel carrier 6.3 is provided with a second sliding cavity 6.3.1 for the second backboard driving wheel 6.2 to move, the second sliding cavity 6.3.1 is provided with a second sliding opening 6.3.2 for the connecting part of the second backboard driving wheel 6.2 and the third backboard arm 6.1 to pass through, and a second sliding slot 6.3.3 arranged at one end of the second sliding cavity 6.3.1 for the second backboard driving wheel 6.2 to be embedded into or separated from the second sliding cavity 6.3.1, the backboard frame 1 needs to be lifted up relative to the bed frame 11 to realize the back lifting of the patient, the backboard frame 1 also needs to be overturned along with the bed frame 11 to realize the card slot, when the backboard frame 1 is overturned, the first backboard 2.2 enters the second sliding slot 3.2 from the first sliding cavity 3.3.2, the second sliding cavity 6.3.3.3 through the second sliding opening 6.3.3, the second sliding cavity 6.3.1 is arranged along the side-turning direction of the back plate frame 1, and the second back plate driving wheel 6.2 drives the back plate frame 1 to turn on the side under the driving of the second back plate driving structure 6.

The second backplane driving structure 6 further includes a second backplane driving member 6.4, a second backplane rotating shaft 6.5, and a fourth backplane arm 6.6, the second backplane driving member 6.4 is disposed in the bed frame 11, the second backplane rotating shaft 6.5 is rotatably disposed in the bed frame 11, a driving end of the second backplane driving member 6.4 is connected to the second backplane rotating shaft 6.5 through the fourth backplane arm 6.6, the other end of the third backplane arm 6.1 is connected to the second backplane rotating shaft 6.5, a driving end of the second backplane driving member 6.4 drives the second backplane rotating shaft 6.5 through the fourth backplane arm 6.6, the second backplane rotating shaft 6.5 drives the third backplane arm 6.1 to rotate so as to realize the side turning of the backplane 1, the second backplane driving member 6.4 drives the second backplane rotating shaft 6.5 to rotate through the fourth backplane arm 6.6.6 so as to realize the side turning of the backplane 1.

The axis of first backplate pivot 2.5 sets up with the axis of nursing bed is perpendicular, because the backplate frame 3 is two and sets up respectively in the both sides of backplate frame 1, so also establish first backplate arm 2.1 into two and set up in the both sides of backplate frame 1, two first backplate arms 2.1 just can open through backplate drive block 4 drive relative backplate frame 1 of backplate frame 3 like this respectively.

The axis of the second backboard rotating shaft 6.5 is parallel to the axis of the nursing bed, the two third backboard arms 6.1 are symmetrically arranged on the second backboard rotating shaft 6.5, when the driving end of the second backboard driving piece 6.4 extends out, the third backboard arm 6.1 at one side is driven to lift up, the third backboard arm 6.1 at one side is driven to turn up through the second backboard driving wheel 6.2, when the driving end of the second backboard driving piece 6.4 retracts, the third backboard arm 6.1 at the other side is driven to lift up, and the third backboard arm 6.1 drives the backboard frame 1 at the other side to turn up through the second backboard driving wheel 6.2.

Wherein the leg plate driving structure 8 comprises a first leg frame 7.1, a second leg frame 7.2, a leg plate driving cylinder 8.1, a leg plate driving frame 8.2, a leg plate driven frame 8.3, a vertical frame 8.4, one end of the first leg frame 7.1 is hinged with the bed frame 11, the other end of the first leg frame 7.1 is hinged with the second leg frame 7.2, the vertical frame 8.4 is vertically fixed at the bed frame 11, one end of the leg plate driving frame 8.2 is hinged with the lower end of the vertical frame 8.4, the other end of the leg plate driving frame 8.2 is hinged with the leg plate driven frame 8.3, the leg plate driven frame 8.3 is arranged at the lower part of the second leg frame 7.2, the driving end of the leg plate driving cylinder 8.1 is hinged with the middle part of the leg plate driving frame 8.2,

the distance from the hinge point of the first leg frame 7.1 and the bed frame 11 to the hinge point of the leg plate driving frame 8.2 and the vertical frame 8.4 is equal to the distance from the hinge point of the first leg frame 7.1 and the second leg frame 7.2 to the hinge point of the leg plate driving frame 8.2 and the leg plate driven frame 8.3, and the length of the first leg frame 7.1 is equal to the length of the leg plate driving frame 8.2;

that is, the first leg frame 7.1, the vertical frame 8.4, the leg plate driving frame 8.2 and the leg plate driven frame 8.3 constitute a parallelogram mechanism, as shown in fig. 6, the length a of the first leg frame 7.1 is equal to the length B of the leg plate driving frame 8.2, the upper and lower sides of the parallelogram mechanism are constituted, the distance C from the hinge point of the first leg frame 7.1 to the frame 11 to the hinge point of the leg plate driving frame 8.2 to the vertical frame 8.4 is equal to the distance D from the hinge point of the first leg frame 7.1 to the second leg frame 7.2 to the hinge point of the leg plate driving frame 8.2 to the leg plate driven frame 8.3, the left and right sides of the parallelogram mechanism are constituted, and since the vertical frame 8.4 is vertically fixed at the frame 11, the driving of the leg plate driving frame 8.2 by the leg plate driving cylinder 8.1 can make the second leg frame 7.2 move up or down and keep the horizontal state all the feet of the patient to be placed.

Wherein, the leg board drives between 8.1 and the leg board drive rack 8.2 and is connected through leg board drive extension arm 8.5, leg board drive extension arm 8.5 one end is fixed with leg board drive rack 8.2's middle part, leg board drive extension arm 8.5 other end is articulated with leg board drive cylinder 8.1's drive end, because leg board frame 7 will realize rising to lift the foot and fall and put the foot, so leg board drive rack 8.2's turned angle demand is great, can satisfy leg board drive rack 8.2's wide-angle rotation needs through setting up leg board drive extension arm 8.5.

Wherein the fixed end of the leg plate driving cylinder 8.1 is hinged with the bedstead 11.

The nursing bed comprises a bed frame 11, wherein the bed frame 11 is provided with two hip plates 11.1 at the hip position of a patient, the two hip plates 11.1 are hinged, a defecation hole 11.2 is formed in the center of the hip plate 11.1, when the patient needs to defecate, a supporting plate 13 is moved away relative to the defecation hole 11.2 without interfering with the rising of a closestool body 22, the closestool body 22 rises to the defecation hole 11.2 for the patient to defecate, after the defecation is finished, the supporting plate 13 moves to cover the defecation hole 11.2 to support the hip of the patient, so that the movement of the supporting plate 13 relative to the defecation hole 11.2 has two stages, the first stage is parallel movement to the position below the defecation hole 11.2, and the second stage is vertical movement to the position of the defecation hole 11.2.

The hip plate mechanism has two embodiments,

as shown in FIGS. 9 to 12, a first embodiment: an underframe 12 is arranged below the hip plate 11.1, a supporting plate 13 is arranged in the underframe 12, a supporting plate driving component 14 for driving the supporting plate 13 to vertically move to the defecation hole 11.2 after parallel movement is performed in the underframe 12, the supporting plate driving component 14 comprises a supporting plate driving part 14.1 and a translation driving plate 14.2, a lifting plate 14.3, a supporting plate 13 shearing lifting structure and a magnetic sucking part 14.8, the supporting plate 13 is arranged on the lifting plate 14.3, the lifting plate 14.3 is arranged on the translation driving plate 14.2 in a lifting way through the supporting plate 13 shearing lifting structure, the translation driving plate 14.2 is pushed by the supporting plate driving part 14.1 to translate, the magnetic sucking part 14.8 is arranged on the lifting plate 14.3, the bottom plate 12.2 and the lifting plate 14.3 are sucked in the parallel movement process of the supporting plate 13 to limit the lifting plate 14.3 to lift relative to the lifting plate 12.2, the bottom plate 12.2 slides relative to the underframe 12 initially, the supporting plate 13 moves in parallel, the bottom plate 12.2 moves to the maximum, The supporting plate driving part 14.1 continuously pushes the translation driving plate 14.2 to enable the magnetic attraction part 14.8 to release the limitation on the bottom plate 12.2 and the lifting plate 14.3, and then the supporting plate driving part 14.1 continuously pushes the lower lifting plate 14.3 to be lifted upwards relative to the translation driving plate 14.2 through the supporting plate 13 scissor lifting structure;

the magnetic attraction piece 14.8 can attract the lifting plate 14.3 and the bottom plate 12.2 in the translation stage of the supporting plate 13, so that the supporting plate 13 is prevented from being clamped with the bottom frame 12 when rising first, and when the defecation hole 11.2 needs to be opened and the supporting plate 13 is retracted, the supporting plate 13 descends first to attract the lifting plate 14.3 and the bottom plate 12.2 and then translates back into the base 12.3;

as shown in FIGS. 13 to 16, a second embodiment: an underframe 12 is arranged below the hip plate 11.1, a supporting plate 13 is arranged in the underframe 12, a supporting plate driving assembly 14 for driving the supporting plate 13 to vertically move to a defecation hole 11.2 after parallel movement is carried out in the underframe 12, the supporting plate driving assembly 14 comprises a supporting plate driving part 14.1 and a translation driving plate 14.2, a lifting plate 14.3, a supporting plate 13 shearing lifting structure and a clamping part 14.5, the supporting plate 13 is arranged on the lifting plate 14.3, the lifting plate 14.3 is arranged on the translation driving plate 14.2 in a lifting way through the supporting plate 13 shearing lifting structure, the translation driving plate 14.2 is pushed by the supporting plate driving part 14.1 to translate, the clamping part 14.5 is arranged at the driving end of the supporting plate driving part 14.1, the translation driving plate 14.2 is clamped with the lifting plate 14.3 in the parallel movement process of the supporting plate 13 to limit the lifting plate 14.3 to lift relative to the translation driving plate 14.2, a stopping part 12.1 for limiting the parallel movement of the translation driving part 14.5 is arranged in the underframe 12, and the clamping part 14.5 is, The pallet driving part 14.1 continuously pushes the translation driving plate 14.2 to enable the clamping part 14.5 to release the limitation on the translation driving plate 14.2 and the lifting plate 14.3, and then the pallet driving part 14.1 continuously pushes the lower lifting plate 14.3 to be lifted upwards relative to the translation driving plate 14.2 through the pallet 13 scissor lifting structure;

the motion principle of the driving mechanism driving the supporting plate 13 is that the supporting plate driving part 14.1 provides driving force, the motion process of the supporting plate 13 in the whole driving process is divided into two stages, namely a parallel motion stage and a vertical motion stage, in the process, the translation driving plate 14.2 is always driven by the supporting plate driving part 14.1 to move in parallel, the linkage structure is arranged at the driving end of the supporting plate driving part 14.1, in the parallel motion stage, the translation driving plate 14.2 and the lifting plate 14.3 are clamped to limit the lifting plate 14.3 to be incapable of moving vertically, in the parallel motion stage, when the vertical motion stage is switched to the vertical motion stage, the clamping part 14.5 is limited to move by the stopper 12.1, the supporting plate driving part 14.1 continuously pushes the translation driving plate 14.2 to move so that the clamping part 14.5 releases the limit between the translation driving plate 14.2 and the lifting plate 14.3, the lifting plate 14.3 is lifted relative to the translation driving plate 14.2 through the shearing lifting structure of the supporting plate 13, and then, the supporting plate 13 is prevented from being early lifted and clamped in the bottom frame 12;

an elastic piece 14.6 is arranged between the clamping piece 14.5 and the driving end of the pallet driving piece 14.1, and the elastic piece 14.6 drives the clamping piece 14.5 to have a clamping tendency towards the lifting plate 14.3;

when the elastic member 14.6 pushes the translation driving plate 14.2 through the supporting plate driving member 14.1, the engaging member 14.5 is driven by the elastic force of the elastic member 14.6 to cooperate with the translation driving plate 14.2 and the lifting plate 14.3, so that the lifting plate 14.3 cannot be lifted relative to the translation driving plate 14.2 until being limited by the stopper 12.1 and cannot continue to move in parallel with the supporting plate driving member 14.1, in the process that the supporting plate 13 descends and retracts into the base frame 12, the lifting plate 14.3 firstly vertically falls to the translation driving plate 14.2, the supporting plate driving member 14.1 continues to retract, the lifting plate 14.3 and the translation driving plate 14.2 continue to cooperate with the engaging member 14.5 to realize engagement, and the lifting plate 14.3 is prevented from being clamped in the base 12.3 due to the lifting of the relative translation driving plate 14.2 in the process of retracting the;

the bottom surface of the bottom plate 12.2 is provided with a limiting structure 15, the limiting structure 15 comprises a limiting rod 15.1, a limiting block 15.2 and an unlocking block 15.3, the middle of the limiting rod 15.1 is hinged, one end of the limiting rod 15.1 is a limiting end, the other end of the limiting rod 15.1 is an execution end, the limiting end is provided with a limiting groove 15.1.1, the limiting block 15.2 is arranged on the base 12.3, the limiting block 15.2 moves into the limiting groove 15.1.1 when the clamping piece 14.5 is matched with the stopping piece 12.1, the bottom plate 12.2 and the base 12.3 limit each other, one side of the lifting plate 14.3 is provided with the unlocking block 15.3 downwards, the lifting plate 14.3 descends, the unlocking block 15.3 pushes the execution end to release the matching of the limiting groove 15.1.1 and the limiting block 15.2 when the top plate 14.4.5 falls to be abutted against the translation driving plate 14.2, and the driving piece 14.1 drives the translation driving piece 13 to an initial.

When the supporting plate 13 needs to retract into the base frame 12, the supporting plate driving part 14.1 retracts, the limiting structure 15 firstly limits the position of the bottom plate 12.2 so as not to allow the bottom plate 12.2 to move, the lifting plate 14.3 firstly descends to retract relative to the base 12.3, the phenomenon that the supporting plate 13 moves while translating and is clamped with the base 12.3 in the process that the supporting plate 13 retracts into the base frame 12 can be avoided, the specific principle of the limiting structure 15 is that when the bottom plate 12.2 moves to the maximum displacement position in parallel, the limiting groove 15.1.1 on the limiting rod 15.1 at the position of the bottom plate 12.2 is matched with the limiting block 15.2 of the base 12.3 for limiting, the bottom plate 12.2 cannot move relative to the base 12.3, the supporting plate driving part 14.1 continuously pushes the translation driving plate 14.2 to move relative to the bottom plate 12.2 so as to realize the lifting of the lifting plate 14.3, when the supporting plate 13 falls, the limiting block 15.2 is matched with the limiting groove 15.1 for limiting so as to limit the bottom plate 12.2 cannot move relative to the, at this time, the lifting plate 14.3 descends to the translation driving plate 14.2 through the supporting plate 13 scissor lifting structure, when the lifting plate 14.3 falls to the lowest position, the unlocking block 15.3 at the lifting plate 14.3 pushes the execution end, the limiting block 15.2 is separated from the limiting groove 15.1.1, and the supporting plate driving member 14.1 continues to retract so that the bottom plate 12.2 continues to retract relative to the base 12.3 and the supporting plate 13 moves in parallel into the base 12.3.

Wherein, limit structure 15 includes extension bar 15.4, kicking block 15.5, and kicking block 15.5 one end is passed behind bottom plate 12.2 bottom the bottom plate 12.2 and is exposed and put at bottom plate 12.2 upper surface and with unblock piece 15.3 cooperation, and the lower part and the bottom plate 12.2 of kicking block 15.5 other end are articulated, upper portion and extension bar 15.4 are articulated, and the other end and the gag lever post 15.1 of extension bar 15.4 are connected.

Extension bar 15.4 can promote the displacement of execution end with stopper 15.2 and enlarge, unblock piece 15.3 is used in kicking block 15.5 promptly, and the other end of kicking block 15.5 is equipped with the pin joint, and kicking block 15.5 rotates relative the pin joint to make extension bar 15.4 push down the execution end, finally make spacing groove 15.1.1 rise, spacing contact of spacing groove 15.1.1 and stopper 15.2, layer board driving piece 14.1 continues the withdrawal so that bottom plate 12.2 continues the withdrawal relative to base 12.3.

Wherein, the tip of the spacing end of gag lever post 15.1 is equipped with guiding surface 15.1.2, and guiding surface 15.1.2 and stopper 15.2 cooperation are lifted the spacing end so that stopper 15.2 immigrates in spacing groove 15.1.1.

The guide surface 15.1.2 is used for guiding the stop block 15.2 into the stop groove 15.1.1 when the base plate 12.2 is opened to the limit position relative to the base 12.3.

The clamping piece 14.5 is provided with a clamping opening 14.5.1, the opening direction of the clamping opening 14.5.1 faces the translation drive plate 14.2, the clamping opening 14.5.1 clamps the lifting plate 14.3 with the translation drive plate 14.2 when the supporting plate 13 moves in parallel, the lifting plate 14.3 cannot vertically lift relative to the translation drive plate 14.2, the lifting plate 14.3 and the translation drive plate 14.2 are moved out of the clamping opening 14.5.1 after the clamping piece 14.5 is stopped by the stopping piece 12.1, and the lifting plate 14.3 vertically moves relative to the translation drive plate 14.2 along with the shearing lifting structure of the supporting plate 13 under the continuous pushing of the supporting plate driving piece 14.1.

Bayonet 14.5.1 simple structure, lifter plate 14.3 and translation drive plate 14.2 can be restricted in bayonet 14.5.1, because the opening direction is towards translation drive plate 14.2 promptly the level, so can restrict the vertical removal of lifter plate 14.3 relative translation drive plate 14.2, and after fastener 14.5 motion limitation, lifter plate 14.3 and translation drive plate 14.2 can move out relative bayonet 14.5.1, realize vertical removal.

The stopper 12.1 is arranged on the lower surface of the bottom plate 12.2, the clamping piece 14.5 penetrates through the bottom plate 12.2 through the stop arm and is exposed at the lower part of the bottom plate 12.2, and the bottom plate 12.2 is provided with a long groove for the transverse movement of the stop arm.

Wherein, the driving piece is a cylinder.

The two hip plates 11.1 are hinged to each other so as to turn on one side together with a frame of the nursing bed when the nursing bed turns over on one side, the center of each hip plate 11.1 is provided with a defecation hole 11.2 for a patient to defecate and urinate, the defecation holes 11.2 need to be covered to realize the support of the hip when not used, and the defecation holes 11.2 are in the center, so that the supporting plate 13 for covering the defecation holes 11.2 is divided into two half sides so as to turn over along with the turning over of the nursing bed when the nursing bed turns over on one side, and therefore the underframe 12 and the supporting plate driving assembly 14 are arranged below the two hip plates 11.1 so as to close and open the defecation holes 11.2.

The underframe 12 comprises a bottom plate 12.2 and a base 12.3, the base 12.3 is fixedly connected with a hip plate 11.1, the pallet 13 scissor lifting structure comprises a first fork arm 14.4.1, a second fork arm 14.4.2, a pallet first scissor slide rail 14.4.3, a pallet second scissor slide rail 14.4.4 and a top plate 14.4.5, the middle parts of the first fork arm 14.4.1 and the second fork arm 14.4.2 are hinged, a pallet first scissor slide rail 14.4.3 is arranged between the translation driving plate 14.2 and the bottom plate 12.2, the pallet 13 is fixed on the top plate 14.4.5 and is arranged on the lifting plate 14.3 in a sliding manner through the pallet second scissor slide rail 14.4.4, one end of the first fork arm 14.4.1 is hinged with the lifting plate 14.3, the other end of the first fork arm is hinged with the base 12.3, one end of the second fork arm 14.4.2 is hinged with the translation driving plate 14.2, and the other end of the second fork arm 14.4.5 is hinged with the;

the principle of the pallet scissor lifting structure 14.4 is that the pallet driving part 14.1 pushes the translation driving plate 14.2, the translation driving plate 14.2 translates relative to the bottom plate 12.2 through the pallet first scissor slide rail 14.4.3, because one end of the first fork arm 14.4.1 is hinged to the lifting plate 14.3, the other end is hinged to the base 12.3, one end of the second fork arm 14.4.2 is hinged to the translation driving plate 14.2, the other end is hinged to the top plate 14.4.5, and the middle parts of the first fork arm 14.4.1 and the second fork arm 14.4.2 are hinged, the first fork arm 14.4.1 and the second fork arm 14.4.2 realize scissor movement, and meanwhile, the top plate 14.4.5 translates relative to the lifting plate 14.3 through the pallet second scissor slide rail 14.4.4, so that the lifting plate 14.3 vertically moves relative to the translation driving plate 14.2, so that the lifting of the pallet 13 is realized, otherwise, the pallet driving part 14.1 pulls the translation driving part 14.2, and the pallet 13 can descend through the pallet scissor lifting structure.

The first slide rail 14.7 may be selected to have a slide rail with in-place damping when fully opened, when the pallet 13 is retracted into the rack body, the pallet 13 may be moved downward by sliding the pallet first scissor slide rail 14.4.3 and the pallet second scissor slide rail 14.4.4, and then the in-place damping is released so that the first slide rail 14.7 is retracted and the pallet 13 is translated into the base frame 12, the first slide rail 14.7 may be disposed between the bottom plate 12.2 and the side wall of the base 12.3 as shown in the drawing, or may be disposed between the lower end face of the bottom plate 12.2 and the upper end face of the base 12.3 as shown in the drawing.

The bottom plate 12.2 is slidably connected with the base 12.3 through a first slide rail 14.7, the arrangement direction of the first slide rail 14.7 is the same as the pushing direction of the pallet driving part 14.1, the stopper 12.1 is arranged on the bottom plate 12.2, and the friction force of the first slide rail 14.7 is smaller than that of the first pallet scissor slide rail 14.4.3.

By arranging the bottom plate 12.2 and the first slide rail 14.7 between the bottom plate 12.2 and the base 12.3, guidance during the translation stage of the pallet 13 can be provided, and the friction force of the first slide rail 14.7 is set to be smaller than the friction force of the first scissors slide rail 14.4.3 of the pallet, that is, when the pallet driving element 14.1 pushes the bottom plate 12.2, the first slide rail 14.7 is unlocked in advance to generate parallel movement, and when the first slide rail 14.7 extends to the limit, the first scissors slide rail 14.4.3 of the pallet participates in the parallel movement again, so that the situation that the lifting plate 14.3 starts to lift and is stuck in the base 12.3 before the parallel movement is finished due to the first sliding at the first scissors slide rail 14.4.3 of the pallet can be avoided.

The pallet driving piece 14.1 is connected with the translation driving plate 14.2 through a connecting rod assembly, the connecting rod assembly comprises a first connecting rod 14.1.1 and a second connecting rod 14.1.2, one end of the first connecting rod 14.1.1 is hinged with the base 12.3, the other end of the first connecting rod 14.1.1 is hinged with the driving end of the pallet driving piece 14.1 and one end of the second connecting rod 14.1.2, the other end of the second connecting rod 14.1.2 is hinged with the translation driving plate 14.2, by improvement, when the supporting plate 13 moves into the base frame 12, the supporting plate driving piece 14.1 drives the first connecting rod 14.1.1 and the second connecting rod 14.1.2 to be close to and intersected, and pulls the bottom plate 12.2 to move towards the bottom frame 12, when the pallet 13 moves out of the bottom frame 12, the pallet driving part 14.1 drives the first connecting rod 14.1.1 and the second connecting rod 14.1.2 to be opened to be collinear, so as to drive the bottom plate 12.2 to slide relative to the bottom frame 12, the displacement of the drive end of the pallet drive 14.1 can be amplified by providing a linkage assembly, a greater translation travel of the translation drive plate 14.2 is made possible within the limited width of the base 12.3 space.

Wherein, the driving member is also a cylinder.

The foregoing is illustrative of the preferred embodiments of the present invention only, and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to be changed. All changes which come within the scope of the independent claims of the invention are to be embraced within their scope.

Claims

1. The utility model provides a frame of nursing bed, includes bedstead, backplate frame, leg plate frame, its characterized in that: the backplate frame sets up in the front end of bedstead and drives in order to play the back and put it level through first backplate drive structure, leg grillage sets up in the rear end of bedstead and drives in order to lift the leg or put the leg through leg board drive structure, the frame is equipped with the central line, bedstead, backplate frame and leg grillage are articulated in central line department, backplate frame lower part is equipped with and is used for carrying out the second backplate drive structure of turning on one's side for axis of rotation with bedstead, backplate frame and leg board frame along the articulated department of central line.

2. The frame of a care bed of claim 1, wherein: first backplate drive structure includes first backplate arm, the tip of first backplate arm rotates and is equipped with first backplate drive wheel, backplate frame is equipped with first backplate wheel carrier, first backplate wheel carrier is equipped with the first slip chamber that is used for supplying first backplate drive wheel to remove, first slip chamber has the first slip opening that supplies first backplate drive wheel and the connecting portion of first backplate arm to pass through and establishes the first slip draw-in groove that is used for supplying first backplate drive wheel embedding or deviates from first slip chamber in first slip chamber one end.

3. The frame of a care bed according to claim 2, characterized in that: the utility model discloses a backplate frame, backplate drive structure, backplate frame.

4. A frame of a care bed according to claim 3, characterized in that: the backplate drive structure includes backplate driven piece, first backplate actuating lever, second backplate actuating lever, backplate drive seat is fixed on the backplate frame, first backplate actuating lever passes the setting of backplate drive seat, the one end of first backplate actuating lever is connected with backplate drive piece, the other end is articulated with the one end of second backplate actuating lever, the other end and the backplate frame of second backplate actuating lever are articulated, backplate drive piece promotes the removal of the driven piece of backplate, thereby makes the relative backplate frame of second backplate frame lift.

5. The frame of a care bed according to claim 4, characterized in that: the backplate driven block is provided with a backplate driven fitting surface matched with the backplate driving block, the backplate driven fitting surface comprises an inclined section and a straight section, the backplate driving block is matched with the inclined section to lift the backplate frame relative to the backplate frame when the first backplate driving wheel is at the front section of the sliding of the first sliding cavity, and the backplate driving block is matched with the straight section to keep the backplate frame in a state of lifting relative to the backplate frame when the first backplate driving wheel is at the rear section of the sliding of the first sliding cavity.

6. The frame of a care bed according to claim 2, characterized in that: first backplate drive structure still includes first backplate driving piece, first backplate pivot, second backplate arm, first backplate driving piece sets up in the bedstead, first backplate pivot is rotated and is set up in the bedstead, the drive end of first backplate driving piece passes through the second backplate arm and is connected with first backplate pivot, the other end and the first backplate pivot of first backplate arm are connected, the drive end of first backplate driving piece passes through first backplate arm drive second backplate arm and rotates in order to realize lifting up and putting level of backplate frame.

7. The frame of a care bed of claim 1, wherein: second backplate drive structure includes third backplate arm, the tip of third backplate arm rotates and is equipped with the second backplate drive wheel, backplate frame is equipped with second backplate wheel carrier, second backplate wheel carrier is equipped with the second slip chamber that is used for supplying the second backplate drive wheel to remove, the second slides the chamber and has the second slip opening that supplies the connecting portion of second backplate drive wheel and third backplate arm to pass through and establish the second slip draw-in groove that is used for supplying second backplate drive wheel embedding or deviating from second slip chamber in second slip chamber one end.

8. The frame of a care bed of claim 7, wherein: the second backplate drive structure still includes second backplate driving piece, second backplate pivot, fourth backplate arm, the second backplate driving piece sets up in the bedstead, the second backplate pivot is rotated and is set up in the bedstead, the drive end of second backplate driving piece passes through fourth backplate arm and is connected with the second backplate pivot, the other end and the second backplate pivot of third backplate arm are connected, the drive end of second backplate driving piece passes through fourth backplate arm drive second backplate pivot second backplate arm drive third backplate arm rotates in order to realize turning on one's side of backplate frame.

9. The frame of a care bed of claim 1, wherein: the leg plate frame comprises a first leg frame and a second leg frame, the leg plate driving structure comprises a leg plate driving cylinder, a leg plate driving frame, a leg plate driven frame and a vertical frame, one end of the first leg frame is hinged with the bed frame, the other end of the first leg frame is hinged with the second leg frame, the vertical frame is vertically fixed at the bed frame, one end of the leg plate driving frame is hinged with the lower end of the vertical frame, the other end of the leg plate driving frame is hinged with the leg plate driven frame, the leg plate driven frame is arranged at the lower part of the second leg frame, the driving end of the leg plate driving cylinder is hinged with the middle part of the leg plate driving frame,

10. The frame of a care bed of claim 9, wherein: an underframe is arranged below the bedstead, a supporting plate and a supporting plate driving component for driving the supporting plate to move to the defecation hole from the underframe in parallel and then vertically are arranged in the underframe, the base frame comprises a bottom plate and a base, the base is fixedly connected with the bed frame, the bottom plate is connected with the base in a sliding way, the supporting plate is arranged in the base, the supporting plate driving component comprises a supporting plate driving part, a translation driving plate arranged on the bottom plate, a lifting plate, a supporting plate scissor lifting structure and a linkage structure, the translation driving plate is pushed by the supporting plate driving piece to translate, the lifting plate is arranged on the translation driving plate in a lifting way through the supporting plate scissor lifting structure, the linkage structure is arranged between the translation driving plate and the lifting plate, the linkage structure limits the lifting plate to be lifted relative to the translation driving plate in the parallel moving process of the supporting plate, and after the parallel movement of the supporting plate is finished, the limit is released so that the lifting plate is lifted relative to the translation driving plate through the supporting plate scissor lifting structure.