CN111110472A

CN111110472A - Integrated nursing bed chair

Info

Publication number: CN111110472A
Application number: CN201911393183.7A
Authority: CN
Inventors: 刘坤; 吉硕; 孙震源; 徐洪伟; 刘勇
Original assignee: Jilin University
Current assignee: Jilin University
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-05-08
Anticipated expiration: 2039-12-30
Also published as: CN111110472B

Abstract

The invention provides an integrated nursing bed chair which comprises a pushing handle mechanism, a bed body structure, a bed plate structure, a linkage mechanism, a bed plate supporting mechanism, a forward pushing steering mechanism and a roller base mechanism. Fully considers the comfortable demands of the human body when lying, sitting and the like, carries out mechanical structure design, ensures that the bed-ridden patient can be effectively assisted to complete the functions of back lifting, leg flexion and extension, body posture adjustment and the like, only uses an electric push cylinder push rod, and can realize comfortable back lifting movement and sitting posture through independent or combined drive of back support, waist support and leg support. The bed body on one side can be automatically changed into a seat and can rotate 90 degrees at the same time, the morbidity of bedsores, joint adhesion and the like can be reduced, the bed body can be pushed by nursing personnel and changed into a wheelchair for use, the daily nursing problems of sitting posture requirements, movement requirements and the like of bedridden incapacitated patients are solved, the blank in the research and development field of the integrated nursing bed-chair with low cost and high performance is filled, and the commercial production, popularization and promotion are facilitated.

Description

Integrated nursing bed chair

Technical Field

The invention belongs to the field of rehabilitation nursing equipment, and relates to an integrated nursing bed-chair capable of performing exercise-assisted nursing on a disabled patient in a bed-lying period.

Background

With the aging of the population becoming more and more serious, the nursing of the elderly becomes an important problem for the family care. The multifunctional nursing bed is used as an auxiliary nursing apparatus, can solve certain living nursing problems of bedridden patients, and plays an important role in improving the living quality of disabled old people and disabled people, reducing the labor intensity of nursing personnel, and improving the nursing service level of families, hospitals, nursing homes and the like.

The research and development of foreign nursing beds are early, and electric nursing bed products are applied to medical care. The research and development of the current nursing bed mainly relate to the following key technologies: the multifunctional defecation device comprises an ergonomic principle, a multi-posture adjusting mechanism, an auxiliary defecation device, a man-machine interaction control device, a physiological parameter monitoring device, a life entertainment platform and the like. For example, the InTouch nursing bed is a multifunctional nursing product for hospitals, and can realize the functions of back lifting, turning over, language identification, recording the weight change of patients and the like; the Totalcore P500 nursing bed can realize the control of body position and posture such as lying, back lifting, standing and the like, a plurality of sensors are arranged on the bed body to measure the information such as local pressure, friction, temperature and the like of a patient, and the functions of automatic turning, drying and the like are realized, so that the aim of intelligently preventing bedsores is fulfilled; the robot bed developed by panasonic corporation according to the principle of ergonomics can automatically lift the bed body and carry out bed/chair conversion; yamameng corporation of japan is also developing and producing a wide variety of manual and electric, mid-end and high-end, home and medical care beds, etc.

Therefore, according to the key technology to be solved by the nursing bed, the research and development of the high-end nursing bed chair and the like are of great significance in the research field of rehabilitation equipment and the market demand aspect.

Disclosure of Invention

The invention aims to provide an integrated nursing bed-chair which is simple in mechanical structure, low in manufacturing cost, convenient to use and light in weight, humanized detailed design is carried out according to ergonomics, modular division is carried out to reduce the manufacturing cost, integrated functions are integrated to reduce the production cost, and the integrated nursing bed-chair is convenient to use and popularize in families.

In order to achieve the purpose, the invention is realized by the following technical scheme:

the integrated nursing bed chair comprises a pushing handle mechanism 1, a bed body structure 2, a bed plate structure 3, a linkage mechanism 4, a bed plate supporting mechanism 5, a forward pushing steering mechanism 6 and a roller base mechanism 7.

The pushing handle mechanism 1 comprises a handle sleeve 101, a pushing handle rod 102, a fixing nail 103 and a pushing handle base 104. The two handle sleeves 101 are nested at the upper ends of the two handle pushing rods 102 in an interference manner, so that the grasping comfort of hands of nursing staff during movement of a patient is improved; the lower ends of the two pushing handle rods 102 are respectively inserted into the square slots on the upper side of the pushing handle base 104 and are fixed by fixing nails 103.

The bed structure 2 comprises a headboard 201, a bed cover board 202, a back side baffle 203, a separation board 204, an end side baffle 205 and a bed bottom board 206. The bed bottom plate 206 is placed on the horizontal ground, the back side baffle plate 203, the separation plate 204 and the two front and back end side baffle plates 205 are vertically and downwards fixed on the bed bottom plate 206, and are packaged and fixed at the adjacent joint edges of each vertical surface, the bed cover plate 202 is downwards aligned, covered and fixed at the upper edges of the back side baffle plate 203, the separation plate 204 and the two end side baffle plates 205, the bed head plate 201 is vertically and downwards fixedly connected to the upper surfaces of the front and back end side edges of the bed cover plate 202, and finally, the stable bed body structure 2 is formed.

The bed plate structure 3 comprises a first bed plate 301, a second bed plate 302, a third bed plate 303, a fourth bed plate 304, a fifth bed plate 305, a sixth bed plate 306 and a hinge 307. Adjacent two bed boards are hinged and fixed through two groups of hinges 307 among the first bed board 301, the second bed board 302 and the third bed board 303, so that the adjacent bed boards can rotate relatively, the second bed board 302 is downwards fixed on the bed board supporting mechanism 5, and the pushing handle mechanism 1 is fixed at the center position right behind the first bed board 301 through the fixing nails 103; between the fourth bed board 304, the fifth bed board 305 and the sixth bed board 306, two adjacent bed boards are hinged and fixed through two sets of hinges 307, and are integrally placed on the upper surface of the bed cover board 202 in the bed body structure 2 after being aligned downwards, wherein the fifth bed board 305 is fixed downwards on the bed cover board 202, and the fourth bed board 304 is hinged with the fifth bed board 305 through two sets of hinges 307, but is not fixed with the bed cover board 202, so that the fourth bed board 304 can be lifted and rotated after being driven.

The linkage mechanism 4 comprises a button switch 401, a push rod motor 402, a linkage rod 403 and a rod sleeve 404. The button switch 401 is arranged on the upper surface of the front end of the headboard 201, so that the button switch is convenient for a caregiver or a patient to operate; the push rod motor 402 is fixedly installed on the lower surface of the fourth bed plate 304, the rod sleeve 404 is fixedly installed on the lower surface of the first bed plate 301, the left side of the linkage rod 403 is fixedly connected with the push rod motor 402, and after the button switch 401 is started, the linkage rod 403 can be pushed into the rod sleeve 404 by the push rod motor 402, so that the first bed plate 301 and the fourth bed plate 304 can integrally rotate.

The bed plate supporting mechanism 5 comprises a first support 501, a first push rod 502, a first push cylinder 503, a square base 504, a second push cylinder 505, a second push rod 506 and a second support 507. The first support 501 is fixedly installed on the lower surface of the first bed plate 301, the upper end of the first push rod 502 is hinged and fixed in the first support 501, the lower end of the first push rod is installed in the first push cylinder 503, the lower end of the first push cylinder 503 is hinged and fixed in the other first support 501, and then the first push rod 502 is fixedly installed on the front outer side wall of the square base 504, and the first push rod 502 can be pushed and pulled slowly and repeatedly by the first push cylinder 503 to drive the first bed plate 301 to realize lifting or falling motion relative to the second bed plate 302, so that a lying patient is supported to realize back lifting motion. Similarly, the second support 507 is fixedly installed on the lower surface of the third bed plate 303, the lower end of the second push rod 506 is hinged and fixed in the second support 507, the upper end of the second push cylinder 505 is installed in the second push cylinder 505, the upper end of the second push cylinder 505 is hinged and fixed in another second support 507, and then the second push rod 506 is fixedly installed on the rear outer side wall of the square base 504, and the second push cylinder 505 can be slowly pushed and pulled in a reciprocating manner to drive the third bed plate 303 to realize descending or lifting movement relative to the second bed plate 302, so that the lying patient is supported to realize the rising and falling movement of the lower leg and the two feet. When the first bed plate 301 and the third bed plate 303 are pushed by the first push rod 502 and the second push rod 506 to reach the required seat posture of the patient, the first bed plate 301, the second bed plate 302 and the third bed plate 303 can be maintained to form a stable seat posture by controlling the first push rod 502 and the second push rod 506 to be locked, and the push handle mechanism 1 can be pushed by a caregiver to realize the function of pushing the patient to move.

The forward-push steering mechanism 6 comprises a third support 601, a third push cylinder 602, a third push rod 603, an electromagnet 604, a push fork 605, a pulley 606, a track disc 607, an outer disc seat 608, a first track plate 609, a support shaft 610, a bearing 611, a ball 612 and a second track plate 613. The two third supporting seats 601 are fixedly connected to the middle line of the lower surface of the fifth bed board 305 side by side, the third push cylinder 602 is fixed in the two third supporting seats 601, the left end of the third push rod 603 is installed in the third push cylinder 602 and can be driven by the third push cylinder 602 to stretch and retract, the electromagnet 604 is embedded in a circular groove on the right end surface of the third push rod 603 and fixed, two end position openings of the right side of the push fork 605 which is forked are respectively embedded in the pulley 606 and then rightwards abutted in the double-row track of the track disc 607, the two semicircular outer sealing disc seats 608 oppositely wrap the push fork 605, the pulley 606 and the track disc 607 and clamp the track disc 607 to make the track disc 607 unable to rotate in the outer sealing disc seat 608, the double-row tracks of the push fork 605, the pulley 606 and the track disc 607 are horizontal, the push fork 605 can push the coplanar pulley 606 to roll in the double-row tracks of the inner sealing track disc 607, the upper surfaces of the two outer sealing disc seats 608 and the upper surface of the, the packaging is formed into an integral plane, and then the integral plane is upwards riveted and fixed under the bottom surface of the square base 504; the upper ends of four supporting shafts 610 respectively penetrate through the four special-shaped slotted tracks of the first track plate 609, and then are upwards welded on the lower surface of the outer seal tray seat 608 in a right-angled distribution, four bearings 611 are distributed below the first track plate 609, the inner diameter of each bearing 611 is respectively sleeved on the corresponding supporting shaft 610 in an interference fit manner, a ball 612 is respectively embedded in the lower end surface of each supporting shaft 610, each group of supporting shafts 610 are provided with the bearings 611 and the balls 612 to be installed in the special-shaped track grooves corresponding to the upper surface of the second track plate 613, the supporting shafts 610 abut against the bottom surface of the special-shaped track grooves formed on the upper surface of the second track plate 613 through the embedded balls 612, the outer diameter of each bearing 611 is in a clearance fit with the inner wall of the corresponding special-shaped track groove, finally, the first track plate 609 and the second track plate 613 are vertically overlapped, aligned and packaged and fixed, and each group of supporting shafts 610 are in, can move freely without damping in the special-shaped track groove formed on the upper surface of the encapsulated second track plate 613, a certain gap is required between the lower surfaces of the two outer sealing disk seats 608 and the first track plate 609 to avoid friction, and finally the second track plate 613 is fixed downwards into the upper part of the roller base mechanism 7.

The roller base mechanism 7 comprises a main base 701, a support rod 702, a rotor 703, a threaded seal ring 704, a roller bracket 705, a roller 706 and a linear wheel track 707. The main base 701 is a thin-walled cylindrical stamping part with a stepped square column shape, an integral partition layer is arranged inside a stepped line, a second track plate 613 is installed and fixed in an upward sleeved mode, four support rods 702 are downward sleeved and hidden, and the four support rods 702 are distributed in four regular corners and are upwards welded and fixed on the lower surface of the partition layer inside the main base 701; the upper end of each roller bracket 705 is provided with internal threads, the internal threads upwards penetrate through the thread sealing ring 704 and then are bolted and fixed with the external threads at the lower end of the rotor 703, the external threads of the thread sealing ring 704 sleeved at the upper end of the roller bracket 705 are provided with stepped through grooves, the rotor 703 is upwards buckled and then is bolted and fixed with the internal threads at the lower end of the support rod 702 through the external threads, so that the roller bracket 705 and the rotor 703 still keep the rotation function after the axial encapsulation and fixation of the thread sealing ring 704 and the support rod 702; the four roller brackets 705 respectively encapsulate the rollers 706 downwards, and two rollers 706 on the same side are placed in the corresponding linear wheel track 707.

The invention has the beneficial effects that: the comfort requirements of a human body when lying, sitting and the like are fully considered, the mechanical structure design is carried out according to the key freedom degree and the human body space posture of hip, knee and ankle joints in the sitting and rising process, the functions of back rising and falling, leg buckling and stretching, body posture adjustment and the like of a bedridden patient are guaranteed to be effectively assisted, the number of power sources is reduced as far as possible, only the electric push cylinder push rod is used, and comfortable back rising movement and sitting posture can be realized through independent or combined driving of the back support, the waist support and the leg support. In addition, the bed body on one side can be automatically changed into a seat, the 90-degree posture changing function is realized, the incidence rate of common diseases such as bedsores and joint adhesion can be reduced, the bed body can be pushed by nursing personnel to be changed into a wheelchair for use, the daily nursing problems such as sitting posture requirements and movement requirements of bedridden incapacitating patients are solved, the blank in the research and development field of low-cost and high-performance integrated nursing bed-chairs is filled, and the commercialized production, popularization and popularization are facilitated.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention.

FIG. 1 is an isometric view of an integrated nursing bed chair of the present invention

FIG. 2 is an exploded view of the structure of the pusher mechanism of the present invention

FIG. 3 is a structural exploded view of the bed structure of the present invention

Fig. 4 structural exploded view of the bed plate mechanism of the present invention

FIG. 5 is an exploded view of the linkage structure of the present invention

Fig. 6 is an exploded view of the structure of the deck support mechanism of the present invention

FIG. 7 is an exploded view of the structure of the forward steering mechanism of the present invention

FIG. 8 is an exploded view of the roller mount mechanism of the present invention

Detailed Description

The details of the present invention and its embodiments are further described below with reference to the accompanying drawings.

Referring to fig. 1, the integrated nursing bed chair of the present invention comprises a pushing handle mechanism 1, a bed body structure 2, a bed plate structure 3, a linkage mechanism 4, a bed plate supporting mechanism 5, a forward pushing steering mechanism 6, and a roller base mechanism 7.

Referring to fig. 2, the handle pushing mechanism 1 includes a handle grip 101, a handle pushing rod 102, a fixing pin 103, and a handle pushing base 104. The two handle sleeves 101 are nested at the upper ends of the two handle pushing rods 102 in an interference manner, so that the grasping comfort of hands of nursing staff during movement of a patient is improved; the lower ends of the two pushing handle rods 102 are respectively inserted into the square slots on the upper side of the pushing handle base 104 and are fixed by fixing nails 103.

Referring to fig. 3, the bed structure 2 comprises a headboard 201, a bed cover 202, a back baffle 203, a separation plate 204, an end baffle 205 and a bed bottom 206. The bed bottom plate 206 is placed on the horizontal ground, the back side baffle plate 203, the separation plate 204 and the two front and back end side baffle plates 205 are vertically and downwards fixed on the bed bottom plate 206, and are packaged and fixed at the adjacent joint edges of each vertical surface, the bed cover plate 202 is downwards aligned, covered and fixed at the upper edges of the back side baffle plate 203, the separation plate 204 and the two end side baffle plates 205, the bed head plate 201 is vertically and downwards fixedly connected to the upper surfaces of the front and back end side edges of the bed cover plate 202, and finally, the stable bed body structure 2 is formed.

Referring to fig. 4, the bed deck structure 3 includes a first bed deck 301, a second bed deck 302, a third bed deck 303, a fourth bed deck 304, a fifth bed deck 305, a sixth bed deck 306, and a hinge 307. Adjacent two bed boards are hinged and fixed through two groups of hinges 307 among the first bed board 301, the second bed board 302 and the third bed board 303, so that the adjacent bed boards can rotate relatively, the second bed board 302 is downwards fixed on the bed board supporting mechanism 5, and the pushing handle mechanism 1 is fixed at the center position right behind the first bed board 301 through the fixing nails 103; between the fourth bed board 304, the fifth bed board 305 and the sixth bed board 306, two adjacent bed boards are hinged and fixed through two sets of hinges 307, and are integrally placed on the upper surface of the bed cover board 202 in the bed body structure 2 after being aligned downwards, wherein the fifth bed board 305 is fixed downwards on the bed cover board 202, and the fourth bed board 304 is hinged with the fifth bed board 305 through two sets of hinges 307, but is not fixed with the bed cover board 202, so that the fourth bed board 304 can be lifted and rotated after being driven.

Referring to fig. 5, the linkage mechanism 4 includes a push switch 401, a push rod motor 402, a linkage rod 403, and a rod sleeve 404. The button switch 401 is arranged on the upper surface of the front end of the headboard 201, so that the button switch is convenient for a caregiver or a patient to operate; the push rod motor 402 is fixedly installed on the lower surface of the fourth bed plate 304, the rod sleeve 404 is fixedly installed on the lower surface of the first bed plate 301, the left side of the linkage rod 403 is fixedly connected with the push rod motor 402, and after the button switch 401 is started, the linkage rod 403 can be pushed into the rod sleeve 404 by the push rod motor 402, so that the first bed plate 301 and the fourth bed plate 304 can integrally rotate.

Referring to fig. 6, the deck support mechanism 5 includes a first support 501, a first push rod 502, a first push cylinder 503, a square base 504, a second push cylinder 505, a second push rod 506, and a second support 507. The first support 501 is fixedly installed on the lower surface of the first bed plate 301, the upper end of the first push rod 502 is hinged and fixed in the first support 501, the lower end of the first push rod is installed in the first push cylinder 503, the lower end of the first push cylinder 503 is hinged and fixed in the other first support 501, and then the first push rod 502 is fixedly installed on the front outer side wall of the square base 504, and the first push rod 502 can be pushed and pulled slowly and repeatedly by the first push cylinder 503 to drive the first bed plate 301 to realize lifting or falling motion relative to the second bed plate 302, so that a lying patient is supported to realize back lifting motion. Similarly, the second support 507 is fixedly installed on the lower surface of the third bed plate 303, the lower end of the second push rod 506 is hinged and fixed in the second support 507, the upper end of the second push cylinder 505 is installed in the second push cylinder 505, the upper end of the second push cylinder 505 is hinged and fixed in another second support 507, and then the second push rod 506 is fixedly installed on the rear outer side wall of the square base 504, and the second push cylinder 505 can be slowly pushed and pulled in a reciprocating manner to drive the third bed plate 303 to realize descending or lifting movement relative to the second bed plate 302, so that the lying patient is supported to realize the rising and falling movement of the lower leg and the two feet. When the first bed plate 301 and the third bed plate 303 are pushed by the first push rod 502 and the second push rod 506 to reach the required seat posture of the patient, the first bed plate 301, the second bed plate 302 and the third bed plate 303 can be maintained to form a stable seat posture by controlling the first push rod 502 and the second push rod 506 to be locked, and the push handle mechanism 1 can be pushed by a caregiver to realize the function of pushing the patient to move.

Referring to fig. 7, the forward steering mechanism 6 includes a third support 601, a third push cylinder 602, a third push rod 603, an electromagnet 604, a push fork 605, a pulley 606, a track disc 607, an outer disc seat 608, a first track plate 609, a support shaft 610, a bearing 611, a ball 612, and a second track plate 613. The two third supporting seats 601 are fixedly connected to the middle line of the lower surface of the fifth bed board 305 side by side, the third push cylinder 602 is fixed in the two third supporting seats 601, the left end of the third push rod 603 is installed in the third push cylinder 602 and can be driven by the third push cylinder 602 to stretch and retract, the electromagnet 604 is embedded in a circular groove on the right end surface of the third push rod 603 and fixed, two end position openings of the right side of the push fork 605 which is forked are respectively embedded in the pulley 606 and then rightwards abutted in the double-row track of the track disc 607, the two semicircular outer sealing disc seats 608 oppositely wrap the push fork 605, the pulley 606 and the track disc 607 and clamp the track disc 607 to make the track disc 607 unable to rotate in the outer sealing disc seat 608, the double-row tracks of the push fork 605, the pulley 606 and the track disc 607 are horizontal, the push fork 605 can push the coplanar pulley 606 to roll in the double-row tracks of the inner sealing track disc 607, the upper surfaces of the two outer sealing disc seats 608 and the upper surface of the, the packaging is formed into an integral plane, and then the integral plane is upwards riveted and fixed under the bottom surface of the square base 504; the upper ends of four supporting shafts 610 respectively penetrate through the four special-shaped slotted tracks of the first track plate 609, and then are upwards welded on the lower surface of the outer seal tray seat 608 in a right-angled distribution, four bearings 611 are distributed below the first track plate 609, the inner diameter of each bearing 611 is respectively sleeved on the corresponding supporting shaft 610 in an interference fit manner, a ball 612 is respectively embedded in the lower end surface of each supporting shaft 610, each group of supporting shafts 610 are provided with the bearings 611 and the balls 612 to be installed in the special-shaped track grooves corresponding to the upper surface of the second track plate 613, the supporting shafts 610 abut against the bottom surface of the special-shaped track grooves formed on the upper surface of the second track plate 613 through the embedded balls 612, the outer diameter of each bearing 611 is in a clearance fit with the inner wall of the corresponding special-shaped track groove, finally, the first track plate 609 and the second track plate 613 are vertically overlapped, aligned and packaged and fixed, and each group of supporting shafts 610 are in, can move freely without damping in the special-shaped track groove formed on the upper surface of the encapsulated second track plate 613, a certain gap is required between the lower surfaces of the two outer sealing disk seats 608 and the first track plate 609 to avoid friction, and finally the second track plate 613 is fixed downwards into the upper part of the roller base mechanism 7.

Referring to fig. 8, the roller base mechanism 7 includes a main base 701, a strut 702, a rotor 703, a thread sealing ring 704, a roller bracket 705, a roller 706, and a linear roller track 707. The main base 701 is a thin-walled cylindrical stamping part with a stepped square column shape, an integral partition layer is arranged inside a stepped line, a second track plate 613 is installed and fixed in an upward sleeved mode, four support rods 702 are downward sleeved and hidden, and the four support rods 702 are distributed in four regular corners and are upwards welded and fixed on the lower surface of the partition layer inside the main base 701; the upper end of each roller bracket 705 is provided with internal threads, the internal threads upwards penetrate through the thread sealing ring 704 and then are bolted and fixed with the external threads at the lower end of the rotor 703, the external threads of the thread sealing ring 704 sleeved at the upper end of the roller bracket 705 are provided with stepped through grooves, the rotor 703 is upwards buckled and then is bolted and fixed with the internal threads at the lower end of the support rod 702 through the external threads, so that the roller bracket 705 and the rotor 703 still keep the rotation function after the axial encapsulation and fixation of the thread sealing ring 704 and the support rod 702; the four roller supports 705 respectively downwards encapsulate the rollers 706, and two rollers 706 on the same side are placed in the corresponding rail grooves of the linear wheel rail 707, so that the limiting function of the rollers is realized, and when the four rollers 706 are all in the linear wheel rail 707, the roller base mechanism 7 cannot rotate in posture.

As a preferred example, when a user uses the integrated nursing bed chair of the present invention, the user is initially in a full-bed central lying state, when the linkage mechanism 4 is activated, the linkage rod 403 fixedly connects the first bed board 301 and the fourth bed board 304 into a whole, the first push rod 502 in the bed board support mechanism 5 is activated, and can drive the first bed board 301 and the fourth bed board 304 to lift together, so as to support a lying patient to realize back lifting movement; when a user is initially in a lying state at the half side outside the bed, the linkage rod 403 is controlled to be retracted through the linkage mechanism 4, the first push rod 502 in the bed plate supporting mechanism 5 is started, the lifting of the first bed plate 301 can be independently realized, a lying patient is supported to realize back lifting movement at the half side of the bed, meanwhile, the second push rod 506 can be started, the third bed plate 303 is driven to lift, the lying patient is supported to realize the lifting movement of legs and feet at the half side of the bed, when the first push rod 502 and the second push rod 506 are linked, the first bed plate 301 is driven to lift, the third bed plate 303 is driven to descend until the first bed plate 301, the second bed plate 302 and the third bed plate 303 form a comfortable seat posture which is satisfied by the user and stop, and the user can perform limb activities of the upper body in a self-selected sitting posture state; further, when the forward steering mechanism 6 is started, the third push rod 603 is pushed forward horizontally, and then the terminal end of the push fork 605 is driven to push the pulley 606 forward horizontally, and further the outer seal tray seat 608 and the track tray 607, which are already packaged as a whole, are pushed forward horizontally, and are translated forward horizontally, through power conduction, the four support shafts 610 welded to the lower surface of the outer seal tray seat 608 will obtain forward horizontal thrust, but each set of support shafts 610, bearings 611 and balls 612 are correspondingly packaged in the special-shaped track grooves formed on the upper surface of the second track plate 613, because the second track plate 613 is fixed inside the base mechanism 7 and is stationary, the four special-shaped track grooves are stationary, and restrain the planar motion tracks of the four sets of support shafts 610 in the horizontal plane, that is, while the four sets of support shafts 610 move forward horizontally, posture adjustment must occur in the horizontal plane, and further through upward power conduction layer by layer, the outer sealing plate seat 608, the track plate 607, the square base 504 and the second bed plate 302 are driven to jointly adjust the rotating posture in the horizontal plane until the third push rod 603 stops pushing, the second bed plate 302 stops the plane motion in the horizontal plane, and the pushing of the third push rod 603 is stopped when the rotating posture of the second bed plate 302 reaches 90 degrees by designing the shape of the special-shaped track groove, so that the functions of changing the bed into the wheelchair and adjusting the posture of the wheelchair are realized, and nursing tasks under sitting posture requirements, such as eating, washing feet, being pushed to move away from the bed and the like, are provided for a patient. Meanwhile, the electromagnet 604 can be controlled to be powered off and demagnetized, so that the contact position between the front end of the third push rod 603 and the rear end of the push fork 605 is disconnected due to the disappearance of the electromagnetic attraction, and the nursing staff can easily push the pushing handle mechanism 1, so that all the rollers 706 can obtain a universal wheel function after exiting out of the linear wheel rail 707, and further, the patient can be pushed to move freely, and the wheelchair function can be obtained.

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

Claims

1. Integration nursing bed chair, its characterized in that: comprises a pushing handle mechanism (1), a bed body structure (2), a bed board structure (3), a linkage mechanism (4), a bed board supporting mechanism (5), a forward pushing steering mechanism (6) and a roller base mechanism (7).

2. The integrated nursing bed chair as claimed in claim 1, wherein: the handle pushing mechanism (1) comprises handle sleeves (101), handle pushing rods (102), fixing nails (103) and a handle pushing base (104), wherein the two handle sleeves (101) are nested at the upper ends of the two handle pushing rods (102) in an interference manner, so that the grasping comfort of hands of nursing staff during the movement of a patient is improved; the lower ends of the two push handle rods (102) are respectively inserted into the square grooves on the upper side surface of the push handle base (104) and are fixed through fixing nails (103).

3. The integrated nursing bed chair as claimed in claim 1, wherein: bed structure (2) are including headboard (201), bed apron (202), dorsal baffle (203), division board (204), end side baffle (205), bed bottom board (206) place on the level ground, dorsal baffle (203), division board (204) and two end side baffle (205) of placing around vertical fixing downwards on bed bottom board (206) to package fixedly in the adjacent handing-over limit department of each facade, bed apron (202) are aimed at downwards and are covered and fix on dorsal baffle (203), the last border of division board (204) and two end side baffle (205), headboard (201) are vertical to link firmly downwards on the front and back end side border of bed apron (202), finally form stable bed structure (2).

4. The integrated nursing bed chair as claimed in claim 3, wherein: the bed plate structure (3) comprises a first bed plate (301), a second bed plate (302), a third bed plate (303), a fourth bed plate (304), a fifth bed plate (305), a sixth bed plate (306) and hinges (307), every two adjacent bed plates are hinged and fixed through the two groups of hinges (307), relative rotation can be achieved between every two adjacent bed plates, the second bed plate (302) is downwards fixed on the bed plate supporting mechanism (5), and the pushing mechanism (1) is fixed in the center position right behind the first bed plate (301) through fixing nails (103); between fourth bed board (304), fifth bed board (305), sixth bed board (306), two adjacent bed boards are articulated fixedly through two sets of hinges (307), wholly place bed apron (202) upper surface in bed body structure 2 after aligning downwards, wherein fifth bed board (305) is fixed downwards on bed apron (202), fourth bed board (304) are articulated through two sets of hinges (307) and fifth bed board (305), but not fixed with bed apron (202), consequently fourth bed board (304) can realize the lifting rotation after being driven.

5. The integrated nursing bed chair as claimed in claim 4, wherein: the linkage mechanism (4) comprises a button switch (401), a push rod motor (402), a linkage rod (403) and a rod sleeve (404), wherein the button switch (401) is arranged on the upper surface of the front end of the headboard (201) so as to be convenient for a caregiver or a patient to perform button operation; push rod motor (402) fixed mounting is in the lower surface of fourth bed board (304), and pole cover (404) fixed mounting is in the lower surface of first bed board (301), and link lever (403) left side links firmly with push rod motor (402), and after start button switch (401), link lever (403) can be pushed in pole cover (404) by push rod motor (402), make first bed board (301) and fourth bed board (304) can realize integrative the rotation.

6. The integrated nursing bed chair as claimed in claim 5, wherein: the bed plate supporting mechanism (5) comprises a first support (501), a first push rod (502), a first push cylinder (503), a square base (504), a second push cylinder (505), a second push rod (506) and a second support (507), wherein the first support (501) is fixedly arranged on the lower surface of the first bed plate (301), the upper end of the first push rod (502) is hinged and fixed in the first support (501), the lower end of the first push cylinder (503) is arranged in the first push cylinder (503), the lower end of the first push cylinder (503) is hinged and fixed in the other first support (501), and then the first push rod (502) is fixedly arranged on the front outer side wall of the square base (504), and the first bed plate (301) can be driven to lift or fall relative to the second bed plate (302) through slow reciprocating push and pull of the first push cylinder (503), so that a patient who is flat is supported to lift and lie down; similarly, the second support (507) is fixedly arranged on the lower surface of the third bed plate (303), the lower end of a second push rod (506) is hinged and fixed in the second support (507), the upper end of the second push rod is arranged in a second push cylinder (505), the upper end of the second push cylinder (505) is hinged and fixed in another second support (507), and then the second push rod (506) is fixedly arranged on the rear outer side wall of the square base (504), and the second push rod (506) can be pushed and pulled back and forth slowly through the second push cylinder (505) to drive the third bed plate (303) to realize falling or lifting motion relative to the second bed plate (302), so that a lying patient is supported to realize rising and falling motion of shanks and feet; when the chair posture of a patient is reached by pushing the first push rod (502) and the second push rod (506) through the first bed plate (301) and the third bed plate (303), the first push rod (502) and the second push rod (506) can be locked through control to move, the first bed plate (301), the second bed plate (302) and the third bed plate (303) are maintained to form a stable chair posture, and the wheelchair function of pushing the patient to move can be realized by the pushing hand mechanism (1) of a nursing staff.

7. The integrated nursing bed chair as claimed in claim 6, wherein: the front push steering mechanism (6) comprises a third support (601), a third push cylinder (602), a third push rod (603), an electromagnet (604), a push fork (605), a pulley (606), a track disc (607), an outer sealing disc seat (608), a first track plate (609), a support shaft (610), a bearing (611), a ball (612) and a second track plate (613), wherein the two third supports (601) are fixedly connected to the central line of the lower surface of the fifth bed plate (305) side by side, the third push cylinder (602) is fixed in the two third supports (601), the left end of the third push rod (603) is arranged in the third push cylinder (602) and can be driven to extend and retract by the third push cylinder (602), the electromagnet (604) is embedded into a circular groove on the right end surface of the third push rod (603) for fixation, two end positions of the right side fork of the push fork (605) are provided with holes, the pulley (606) is respectively embedded into the right side and then abutted into double-row tracks of the track disc (607), the two semicircular outer seal disc seats (608) oppositely wrap and seal a push fork (605), a pulley (606) and a track disc (607), the track disc (607) is clamped to be incapable of rotating in the outer seal disc seat (608), double-row tracks of the push fork (605), the pulley (606) and the track disc (607) are horizontally coplanar, the push fork (605) can push the pulley (606) to roll in the double-row tracks of the track disc (607) which is sealed in the outer seal disc seat without damping, the upper surfaces of the two outer seal disc seats (608) and the upper surface of the track disc (607) are sealed to form an integral plane, and then are upwards riveted and fixed under the bottom surface of the square base (504); the upper ends of four support shafts (610) respectively penetrate through four special-shaped grooved tracks of a first track plate (609), and then are upwards welded on the lower surface of an outer sealing plate seat (608) in a right four-corner distribution manner, four bearings (611) are distributed below the first track plate (609), the inner diameter of each bearing (611) is respectively sleeved on the corresponding support shaft 6 (10) in an interference manner, a ball (612) is respectively embedded in the lower end surface of each support shaft 6 (10), each group of support shafts (610) is provided with the bearing (611) and the ball (612) and is arranged in a special-shaped track groove corresponding to the upper surface of a second track plate (613), the support shafts (610) abut against the bottom surface of the inside of the special-shaped track groove formed on the upper surface of the second track plate (613) through the embedded balls (612), the outer diameter of each bearing (611) is in clearance fit with the inner wall of the corresponding special-shaped track groove, and finally the first track plate (609) and the second track plate (613), each set of support shafts (610) can move freely without damping in the special-shaped track grooves formed on the upper surface of the encapsulated second track plate (613) under the rolling contact of the bearings (611) and the balls (612), a certain gap is formed between the lower surfaces of the two outer capsule seats (608) and the first track plate (609) to avoid friction, and finally the second track plate (613) is fixed downwards into the upper part of the roller base mechanism (7).

8. The integrated nursing bed chair as claimed in claim 7, wherein: the roller base mechanism (7) comprises a main base (701), support rods (702), a rotor (703), a thread sealing ring (704), a roller support (705), a roller (706) and a linear roller rail (707), wherein the main base (701) is a thin-walled cylinder stamping part with a stepped square column shape, an integral partition layer is arranged inside a stepped line, a second rail plate (613) is installed and fixed in a sleeved mode upwards, four support rods (702) are sleeved and hidden downwards, and the four support rods (702) are distributed in four regular corners and are upwards welded and fixed on the lower surface of the partition layer inside the main base (701); the upper end of each roller bracket (705) is provided with an internal thread, the internal thread penetrates through the thread sealing ring (704) upwards and then is bolted and fixed with the external thread at the lower end of the rotor (703) through internal and external threads, the thread sealing ring (704) sleeved at the upper end of the roller bracket (705) is provided with a stepped through groove in the external open thread, the rotor (703) is buckled upwards and then is bolted and fixed with the internal thread at the lower end of the support rod (702) through the external open thread upwards, so that the roller bracket (705) and the rotor (703) still keep the rotation function after the axial encapsulation and fixation of the thread sealing ring (704) and the support rod (702); the four roller brackets (705) respectively downwards encapsulate the rollers (706), and the two rollers (706) on the same side are placed in the corresponding rail grooves of the linear wheel rail (707).