A stable combined wheelchair bed

Abstract

The present invention provides a stable combined wheelchair bed, comprising a nursing bed and a nursing chair; the nursing bed is provided with a first slide groove adapted to the nursing chair; a fixed crossbeam is provided at the bottom of the nursing bed, and a fixing device is provided on the fixed crossbeam; the nursing chair comprises a chair frame; a fixed charging rod adapted to the fixing device is provided on the chair frame; the fixing device comprises a charging plate and a rotatable hook; when the nursing chair slides into the nursing bed, the fixed charging rod is inserted into the rotatable hook to achieve fixation and the nursing chair is charged through the charging plate. The present invention provides a stable combined wheelchair bed that is safe and stable, can achieve rapid fixation and intelligent charging between the nursing chair and the nursing bed, and has a simple overall structure and is easy to use.

Description

Technical Field

[0001] The invention relates to the technical field of medical care equipment, in particular to a stable combined wheelchair bed. Background Art

[0002] With the gradual development of the medical industry, more and more medical equipment has become intelligent, and the combination of nursing chairs and nursing beds has gradually been accepted by doctors and patients.

[0003] The combination of a traditional nursing bed and a nursing chair is achieved by limiting the position of the nursing chair when it is pushed in only by a limiting device on the nursing bed, and then fixing it by a fixing device on the nursing bed. This often causes the nursing chair to slide out if the fixing device is not fixed firmly or the patient accidentally touches the fixing device loose, resulting in some dangerous safety accidents for the patient. In addition, it is very difficult to charge a traditional electric nursing chair, and it is often necessary to connect it to a charging device for charging, which is very inconvenient to use.

[0004] Therefore, the present invention provides a stable combined wheelchair bed that combines a nursing chair and a nursing bed, a structure integrating fixing and charging is arranged on the nursing chair, and a structure integrating fixing and discharging is arranged on the nursing bed to realize the fixing and charging of the nursing chair in the nursing bed. Summary of the invention

[0005] In view of the technical problems existing in the background technology, the purpose of the present invention is to overcome the shortcomings of the prior art and provide a stable combined wheelchair bed that is safe, stable, easy to fix and can be charged.

[0006] In order to solve the above technical problems, the present invention adopts the following technical measures:

[0007] A stable combined wheelchair bed comprises a nursing bed and a nursing chair; the nursing bed is provided with a first slide groove adapted to the nursing chair; a fixed crossbeam is provided at the bottom of the nursing bed, and a fixing device is arranged on the fixed crossbeam; the nursing chair comprises a chair frame; a fixed charging rod adapted to the fixing device is arranged on the chair frame; the fixing device comprises a charging plate and a rotatable hook; when the nursing chair slides into the nursing bed, the fixed charging rod is clamped into the rotatable hook to achieve fixation and charging of the nursing chair is achieved through the charging plate.

[0008] As a further improvement, the fixing device further includes a fixing plate, two fixing seats, a rotating shaft, a fixing bolt and a plurality of torsion springs; the fixing plate is fixed on the fixing beam; the two fixing seats are fixed on the fixing plate; the rotating shaft is arranged between the two fixing seats; the torsion spring is sleeved on the rotating shaft; the rotatable hook is sleeved outside the torsion spring to realize rotation; the fixing bolt connects the rotatable hook and the fixing plate and fixes them through a nut, and the charging plate is fixedly arranged between the two fixing seats and is located above the rotatable hook.

[0009] As a further improvement, the rotatable hook includes a hook part and a fixed part, and is J-shaped as a whole; a fixing hole is opened on the fixed part for being mounted outside the torsion spring; one end of the torsion spring is fixed to the fixed plate; the other end of the torsion spring is fixed to the hook part.

[0010] As a further improvement, the hook part is further connected with a pull rope, a stepper motor and a foot pedal; the hook part can be controlled by a stepper motor or a foot pedal to achieve the separation of the nursing chair from the nursing bed.

[0011] As a further improvement, the charging plate further includes a charging plate body, two charging ports and two charging cables; the charging ports are respectively connected to the charging cables; two conductive parts are provided on the fixed charging rod, and the conductive parts are connected to the charging cables for charging the nursing chair.

[0012] As a further improvement, the chair frame includes a support frame and a base frame which are hinged to each other; the support frame includes a back support frame, a waist support frame, a leg support frame and a foot support frame which are hinged to each other in sequence; a fixed rotating shaft is provided under the back support frame; the fixed rotating shaft is connected to the back support frame through a bearing; two fixing ears are welded on the fixed rotating shaft, and the fixed charging rod is fixedly arranged on the fixing ears.

[0013] As a further improvement, the nursing chair further includes a seat cushion, armrests, rollers and a push rod mechanism; the push rod mechanism includes a first pneumatic cylinder and a second pneumatic cylinder; the push rod mechanism is arranged on the base frame and controls the support frame to form a bed or a chair through a push rod; a drain trough is provided on the seat cushion; the drain trough is provided on the seat cushion above the lumbar support frame; a support seat, a water supply mechanism, a negative pressure drainage mechanism and a control mechanism are further connected below the drain trough to realize intelligent cleaning of the user's buttocks and centralized intelligent collection of excrement.

[0014] As a further improvement, the nursing bed includes a nursing bed body, a handrail portion and a baffle portion; the handrail portion is arranged on both sides of the nursing bed body, and the handrail portion can be raised and lowered to facilitate the patient to get out of bed; the baffle portion is arranged at the rear end of the nursing bed body; the baffle portion can rotate with any one of the rear end bed feet as the axis.

[0015] As a further improvement, a limiting portion is provided on the bed foot for fixing the baffle portion; a flip plate is provided on the baffle portion, and the flip plate is flipped to a horizontal position for use by the patient.

[0016] As a further improvement, an infusion fixing ring is further provided on the side of the nursing bed body for fixing the infusion pole; and anti-slip covers are provided on the four bed feet of the nursing bed body.

[0017] Compared with the prior art, the present invention has the following advantages:

[0018] 1. The stable combined wheelchair bed of the present invention adopts a structure combining a nursing bed and a nursing chair as a whole, which can effectively realize the separation of the nursing chair and the nursing bed for convenient movement of patients. At the same time, the nursing chair has two states of bed and chair to meet the different needs of patients.

[0019] 2. The stable combined wheelchair bed of the present invention adopts a structure in which a charging fixing rod is set in a nursing chair and a fixing device is set in a nursing bed, which can effectively realize a stable connection between the nursing chair and the nursing bed, has a simple structure, and is safe and firm.

[0020] 3. The fixing device in a stable combined wheelchair bed of the present invention adopts a torsion spring combined with a rotatable hook structure to effectively realize automatic clamping and fixation of the charging fixing rod and intelligent charging. At the same time, a foot pedal or a stepper motor is used to control the separation of the rotatable hook from the charging fixing rod, which is stable, effective and easy to use.

[0021] 4. The stable combined wheelchair bed of the present invention is provided with a sewage trough and a sewage system, which can be effectively used in conjunction with the nursing sewage device worn by the patient to perform hygienic and centralized treatment of the patient's excretion. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Attached Figure 1 It is a structural schematic diagram of a stable combined wheelchair bed of the present invention;

[0023] Attached Figure 2 It is a structural schematic diagram of the bottom of a stable combined wheelchair bed of the present invention;

[0024] Attached Figure 3 It is a structural schematic diagram of a fixing device in a stable combined wheelchair bed of the present invention;

[0025] Attached Figure 4It is a structural schematic diagram of a nursing chair in a stable combined wheelchair bed of the present invention;

[0026] Attached Figure 5 It is a structural schematic diagram of a foot pedal in a stable combined wheelchair bed of the present invention;

[0027] Attached Figure 6 It is a structural schematic diagram of a sewage collection system in a stable combined wheelchair bed of the present invention.

[0028] Main component symbols

[0029] Nursing chair 10,

[0030] Seat cushion 11, drainage trough 111,

[0031] Fixed charging rod 12, conductive member 121,

[0032] Chair frame 13,

[0033] Support frame 131,

[0034] Back support frame 1311, second horizontal portion 13111, second inclined portion 13112, fixed rotation shaft 13113,

[0035] Lumbar support frame 1312,

[0036] Leg support frame 1313,

[0037] The foot support frame 1314, the first horizontal portion 13141, the first inclined portion 13142,

[0038] Push rod connecting frame 1315,

[0039] Base frame 132, quadrilateral base frame 1321, curved support frame 1322, first curved portion 13221, second curved portion 13222,

[0040] Brake handle 133,

[0041] Roller 14,

[0042] Push rod mechanism 15, first pneumatic cylinder 151, second pneumatic cylinder 152,

[0043] Fixed ear 16,

[0044] Nursing bed 20,

[0045] Nursing bed body 21, first slide slot 211,

[0046] The support rod portion 22, the lower fixing portion 221, the connecting portion 222, the upper fixing portion 223,

[0047] baffle portion 23, flip plate 231,

[0048] Anti-slip cover 24,

[0049] Fixed beam 25,

[0050] Fixing device 30, charging plate 31, charging plate body 311, charging port 312, charging line 313,

[0051] Rotatable hook 32, hook portion 321, fixed portion 322

[0052] Fixed plate 33,

[0053] Fixed seat 34,

[0054] Shaft 35,

[0055] Fixing bolt 36,

[0056] Torsion spring 37,

[0057] Stepper motor 38,

[0058] Pedal 39,

[0059] Support seat 40,

[0060] Water delivery mechanism 50, water pump 51, water delivery pipe 52, water storage tank 53,

[0061] Negative pressure drainage mechanism 60, air extraction pipe 61, sub-air extraction pipe 611, air extraction pump 62, collection box 63

[0062] Control mechanism 70

[0063] Collection tray 80,

[0064] Dirt collector 90, sewage cover body 91, connecting joint 92, DETAILED DESCRIPTION

[0065] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the invention claimed for protection, but merely represents the selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0066] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0067] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0068] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments:

[0069] Please refer to Figures 1 to 4 In the embodiment, a stable combined wheelchair bed comprises a nursing bed 20 and a nursing chair 10; the nursing bed 20 is provided with a first slide groove 211 adapted to the nursing chair 10, and the nursing chair 10 can slide in the first slide groove 211; a fixed beam 25 is provided at the bottom of the nursing bed 20, and a fixing device 30 is provided on the fixed beam 25; the nursing chair 10 comprises a chair frame 13; a fixed charging rod 12 adapted to the fixing device 30 is provided on the chair frame 13; the fixing device 30 comprises a charging plate 31 and a rotatable hook 32; when the nursing chair 10 slides into the nursing bed 20, the fixed charging rod 12 is inserted into the rotatable hook 32 to be fixed and the nursing chair 10 is charged through the charging plate 31. The structure of providing a charging fixing rod in the nursing chair 10 and providing a fixing device 30 in the nursing bed 20 can effectively realize a stable connection between the nursing chair 10 and the nursing bed 20, and has a simple structure and is safe and firm.

[0070] Furthermore, the fixed beam 25 is square wave-shaped, and the fixed beam 25 is fixed to the horizontal portion of the lower surface on both sides of the nursing bed 20. The fixed beam 25 includes three bending portions, and the fixing device 30 is fixed to the horizontal portion in the middle of the fixed beam 25. Such a structure can effectively set the fixing device 30 under the nursing bed 20, and the structure is stable and very convenient for disassembly and assembly.

[0071] Please refer to Figures 2 to 3In the embodiment, the fixing device 30 further includes a fixing plate 33, two fixing seats 34, a rotating shaft 35, a fixing bolt 36 and a plurality of torsion springs 37; the fixing plate 33 is fixed on the fixing beam 25; the two fixing seats 34 are fixed on the fixing plate 33; the rotating shaft 35 is arranged between the two fixing seats 34; the torsion spring 37 is sleeved on the rotating shaft, and the number of the torsion springs 37 is two; the rotatable hook 32 is sleeved outside the torsion spring 37 to realize rotation; the fixing bolt 36 connects the rotatable hook 32 and the fixing plate 33 and fixes them through a nut.

[0072] The charging plate 31 is fixedly arranged between the two fixing seats 34 and is located on the rotatable hook 32. The charging plate 31 further includes a charging plate body 311, two charging ports 312 and two charging cables 313; the charging ports 312 are respectively connected to the charging cables 313; the fixed charging rod 12 is provided with two conductive members 121, the conductive members 121 are sleeved on the charging fixed rod for conducting electricity, and the conductive members 121 and the nursing chair 10 are connected with a charging cable 313 for charging the nursing chair 10. The charging plate 31 adopts such a position setting, which can not only fix and limit the charging fixed rod, but also automatically and intelligently charge the nursing chair 10, which is convenient and quick to use.

[0073] Furthermore, the rotatable hook 32 includes a hook portion 321 and a fixing portion 322, and is J-shaped as a whole; the fixing portion 322 has a fixing hole for being mounted on the outside of the torsion spring 37, and the torsion spring 37 includes a torsion spring 37 body and two torsion arms, and the two torsion springs 37 are mounted together to provide greater elastic force; one end of the torsion arm of the torsion spring 37 is fixed to the fixing plate 33; the other end of the torsion arm of the torsion spring 37 is fixed to the hook portion 321. The structure of the torsion spring 37 combined with the rotatable hook 32 can effectively realize the automatic clamping and fixing of the charging fixing rod and intelligent charging, and the whole structure is simple and stable, and the cost is low.

[0074] Furthermore, the hook portion 321 is connected to a pull rope, a stepper motor 38 and a foot pedal 39; the user can control the stepper motor to stretch the pull rope by controlling the remote control or stretch the pull rope by the foot pedal set at the bottom of the nursing bed to control the rotation of the hook portion 321 to achieve the separation of the nursing chair 10 from the nursing bed 20.

[0075] In addition, the fixing device can be further designed as a structure with a spring, specifically including a fixing plate, two fixing seats, two rotatable hooks, a rotating shaft, two charging springs and a retraction spring; the two rotatable hooks are respectively fixed on both sides of the rotating shaft and fixed between the two fixing seats through the rotating shaft; the retraction spring is fixedly connected to the fixing shaft, and the other end of the retraction spring is fixed to the fixing plate; the retraction spring can realize the rotation and rebound of the rotatable hook; the front ends of the two charging springs are provided with discharge parts, and the charging springs are fixedly arranged on the fixing seat for fixing the charging fixing rod and conducting electricity.

[0076] Please refer to Figure 2 and Figure 4 In the embodiment, the chair frame 13 includes a support frame 131 and a base frame 132 which are hinged to each other; the support frame 131 includes a back support frame 1311, a waist support frame 1312, a leg support frame 1313 and a foot support frame 1314 which are hinged to each other in sequence; a fixed rotating shaft 13113 is provided under the back support frame 1311; the fixed rotating shaft 13113 is connected to the back support frame 1311 through a bearing; two fixing ears 16 are welded on the fixed rotating shaft 13113, and the fixed charging rod 12 is fixedly arranged on the fixing ears 16. Specifically, threads are provided at both ends of the fixed charging rod 12, and threaded holes are provided on the fixing ears 16, and finally the two are fixedly connected by nuts.

[0077] The four corners of the upper end of the base frame 132 are hinged and fixed to the back support frame 1311 and the leg support frame 1313. Specifically, the two sides close to the back support frame 1311 are hinged and fixed to the two sides of the back support frame 1311 close to the waist support frame 1312, and the two sides close to the foot support frame 1314 are hinged and fixed to the two sides of the leg support frame 1313 close to the foot support frame 1314. The support frame 131 is hinged so that the bending of each part can be flexibly controlled by the push rod mechanism 15, so as to smoothly and quickly switch between the two states of bed and chair, and the structure is reliable and firm.

[0078] Please refer to Figure 4The foot support frame 1314 includes a first horizontal portion 13141 and a first inclined portion 13142, which are distributed in an R shape; the first horizontal portion 13141 is hinged to the leg support frame 1313; one end of the first inclined portion 13142 is also hinged with a push rod connecting frame 1315, and a first push rod connecting axis is fixed on the push rod connecting frame 1315; the other end of the push rod connecting frame 1315 is hinged to the base frame 132; the push rod of the first pneumatic cylinder 151 is hinged to the first push rod connecting axis to achieve bending between the leg support frame 1313 and the foot support portion. When in the chair state, the first horizontal portion 13141 and the leg support frame 1313 are set at an obtuse angle; when in the bed state, the first horizontal portion 13141 and the leg support frame 1313 are set in a straight line. Such a structure can provide a patient's feet with a comfortable placement when sitting up or lying down.

[0079] Please refer to the figure. In the embodiment, the back support frame 1311 includes a second horizontal portion 13111 and a second inclined portion 13112, which are distributed in an R shape; the second inclined portion 13112 is hinged to the base frame 132 on both sides through a cylindrical crossbeam; a second push rod connecting shaft is fixedly provided on the second inclined portion 13112; the push rod of the second pneumatic cylinder 152 is hinged to the second push rod connecting shaft to realize the rotation of the back support frame 1311; in addition, the second inclined portion 13112 can be directly designed as a support seat distributed in an H shape for the hinge of the push rod of the prime second hydraulic rod; when in the chair state, the second horizontal portion 13111 and the lumbar support portion are distributed at an obtuse angle, and when in the bed state, the second horizontal portion 13111 and the lumbar support portion are distributed in a straight line.

[0080] Furthermore, a brake handle 133 is provided on the bottom surface of the back support frame 1311 to realize direction and brake control when the nursing chair 10 is in the state.

[0081] Please refer to Figure 4 In the embodiment, the base frame 132 is arranged in a frame shape, and the base frame 132 includes a quadrilateral base frame 1321 and a curved support frame 1322; the curved support frame 1322 includes a first curved portion 13221 and a second curved portion 13222, which are distributed in a Y shape, and a fixed block is arranged on the first curved portion 13221 for hinged connection of the slider portion and the back support portion, and the second curved portion 13222 is arranged between the quadrilateral base frame 1321 and the first curved portion 13221 for supporting the first curved portion 13221 to enhance the overall stability; two rollers 14 are arranged on the bottom end of the first curved portion 13221, and another two rollers 14 are arranged at the lower end of the quadrilateral base frame 1321.

[0082] Please refer to Figure 1 and Figure 4 In the embodiment, the nursing chair 10 further includes a seat cushion 11, armrests, a chair frame 13, rollers 14 and a push rod mechanism 15; the push rod mechanism 15 includes a first pneumatic cylinder 151 and a second pneumatic cylinder 152; the push rod mechanism 15 is arranged on the base frame 132 and controls the support frame 131 through a push rod to form a bed or a chair; the overall structure of the nursing bed 20 and the nursing chair 10 is combined, which can effectively realize the separation of the nursing chair 10 and the nursing bed 20 to facilitate the movement of patients. The nursing chair 10 also has two states of bed and chair to meet the different needs of patients.

[0083] Furthermore, a slide rail portion or a slide groove portion may be provided on the first slide groove 211 , and slide groove portions or slide rail portions respectively adapted thereto may be provided on both sides of the nursing chair 10 to enable the nursing chair 10 to slide smoothly in the nursing bed 20 .

[0084] Please refer to Figure 1 and Figure 4 In the embodiment, a sewage trough 111 matched with the sewage discharge device is provided on the chair cushion 11 on the lumbar support frame 1312, and the sewage trough 111 is arranged in a funnel shape. Such a structure can effectively fix the patient's buttocks relatively while ensuring the patient's comfort. The sewage discharge device is matched with the patient's defecation underwear; a waste collection box is arranged under the sewage trough 111, which can be effectively used in conjunction with the nursing sewage discharge underwear worn by the patient to perform hygienic and centralized treatment of the patient's excretion.

[0085] Specifically, a dirt collector 30 adapted thereto is provided above the drainage trough 111, and the dirt collector cooperates with the drainage underwear of the patient; a support seat 40, a water delivery mechanism 50, a negative pressure drainage mechanism 60 and a control mechanism 70 are further connected below the drainage trough 111 to form a drainage collection system to realize intelligent cleaning of the user's buttocks and centralized intelligent collection of excrement.

[0086] The waste collector 90 includes a sewage cover body 91 and a connecting joint 92; the sewage cover body 91 is provided with a plurality of water spray holes and is provided with a plurality of strong magnets and a sensor; the sensor is used to detect whether there is excrement passing through; the sewage collector body 91 is provided with a circuit connection end and a water connection pipe connected to the sensor and the water spray hole respectively; the circuit connection end is connected to the control mechanism; the water connection pipe is connected to the water tank; one end of the connecting joint is spliced ​​with the sewage outlet, and the other end is connected to the negative pressure mechanism through an exhaust pipe.

[0087] The support base 40 is disposed in the seat cushion and is located around the sewage discharge groove 111; the water delivery mechanism 50 includes a water pump 51, a water delivery pipe 52 and a water storage tank 53; one end of the water delivery pipe 52 is connected to the waterway connection pipe, and the other end is connected to the water storage tank; the negative pressure drainage mechanism 60 includes an air extraction pipe 61, an air extraction pump 62 and a collection box 63; one end of the air extraction pipe 61 is connected to the connection joint 92; the other end is connected to the collection box 63; further, a branch air extraction pipe 611 is connected to the wall of the air extraction pipe 61, and the branch air extraction pipe 611 is communicated with the air extraction pump 62; the contact portion of the branch air extraction pipe 611 and the air extraction pipe 61 is provided in a hole shape for only allowing gas to enter and exit and not allowing excrement to enter; the excrement falls into the collection box 63 under the action of air extraction and gravity and will not be adsorbed at the mouth of the branch air extraction pipe 61. The control mechanism 70 includes a circuit docking terminal and a control box connected to each other; the circuit docking terminal is docked with the circuit connection end; the control box 70 is used to control the operation of the air extraction pump 62 and the water pump 51. Adopting such a systematic control can make corresponding control actions under the condition of effectively identifying whether there is excrement passing through to realize intelligent flushing of the user and centralized collection of excrement.

[0088] Please refer to Figure 1 , in the embodiment, the nursing bed 20 includes a nursing bed body 21, handrail parts 22 arranged on both sides of the nursing bed body 21, and a baffle part 23 arranged at the tail of the nursing bed 20; a limiting part is arranged on the bottom surface of the nursing bed body 21 for fixing the relative position of the nursing chair 10 in the first sliding groove 211, and further, the limiting part can be set as an elastic buckle.

[0089] The baffle part 23 is arranged at the tail end of the nursing bed body 21; the baffle part 23 can rotate around any one of the bed feet. When the baffle part 23 is opened, the nursing chair 10 can slide out from the first sliding groove 211. When the baffle part 23 is closed, the latch of the baffle part 23 can penetrate into the positioning hole on the bed foot to fix the nursing chair 10. In addition, a flip plate 231 is arranged on the baffle part 23, and the flip plate 231 can be flipped to the horizontal plane position inside the nursing bed 20 for the patient to have meals or place items.

[0090] The handrail part 22 includes a lower fixing part 221, a connecting part 222 and an upper fixing part 223, and is integrally distributed in a shape of "日". The lower fixing part 221 and the connecting part 222 are hinged, and the connecting part 222 and the upper fixing part 223 are fixedly connected. The connecting part 222 can drive the upper fixing part 223 to rotate to the position where it is flush with the lower fixing part 221 to realize the lifting of the handrail part 22 to facilitate the patient to get out of bed.

[0091] The side of the nursing bed body 21 is also provided with an infusion fixing ring for fixing the infusion rod; the four bed legs of the nursing bed body 21 are covered with anti-slip covers 24. The patient can be provided with infusion, and the anti-slip cover 24 can effectively enhance the overall stability of the nursing bed 20 and realize multifunctionality.

[0092] The process of cooperating the nursing chair 10 and the nursing bed 20 in a stable combined wheelchair bed of the present invention is as follows: in the initial state, the nursing chair 10 is located outside the nursing bed 20, and the baffle portion 23 is first opened to allow the nursing chair 10 to enter along the first slide groove 211; when the charging fixing rod on the nursing chair 10 hits the rotatable hook 32 of the fixing device 30, due to the forward power of the nursing chair 10 and the elastic force of the torsion spring 37, the charging fixing rod slides into the rotatable hook 32 and is limited and fixed by the charging plate 31; since the charging plate 31 is provided with two charging ports 312 and the charging fixing rod is provided with a conductive member 121, the nursing chair 10 enters the charging state at this time; when it is necessary to separate the nursing chair 10 and the nursing bed 20, the separation of the nursing chair 10 and the nursing bed 20 is achieved by controlling the stepping motor to drive the pull rope through the remote control and controlling the pull rope by pressing the foot pedal, and the overall structure is simple and the function is easy.

[0093] The switching process of the nursing chair 10 between the chair state and the bed state in a stable combined wheelchair bed of the present invention is as follows: in the initial state, the nursing chair 10 is horizontally distributed; when the chair state is pressed using the remote control, the first pneumatic cylinder 151 and the second pneumatic cylinder 152 work simultaneously; the push rod of the first pneumatic cylinder 151 retracts obliquely downward, driving the push rod connecting rod to rotate with the connection point on the base frame 132 as the axis, and due to the relative fixation of the first horizontal part 13141 and the first inclined part 13142, that is, the foot support frame 1314 rotates downward with the connection with the waist support frame 1312 as the axis; the push rod of the second pneumatic cylinder 152 pushes obliquely downward, driving the back support part to rotate with the fixed block position beam as the axis, that is, the back support frame 1311 is folded upward with the connection with the waist support part as the axis to form the backrest of the chair.

[0094] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A stable combined wheelchair bed, characterized by: It comprises a nursing bed and a nursing chair; the nursing bed is provided with a first slide groove adapted to the nursing chair; a fixed crossbeam is provided at the bottom of the nursing bed, and a fixing device is provided on the fixed crossbeam; the nursing chair comprises a chair frame; a fixed charging rod adapted to the fixing device is provided on the chair frame; the fixing device comprises a charging plate and a rotatable hook; when the nursing chair slides into the nursing bed, the fixed charging rod is clamped into the rotatable hook to achieve fixation and charging of the nursing chair through the charging plate; The fixing device further comprises a fixing plate, two fixing seats, a rotating shaft, a fixing bolt and a plurality of torsion springs; the fixing plate is fixed on the fixing beam; the two fixing seats are fixed on the fixing plate; the rotating shaft is arranged between the two fixing seats; the torsion spring is sleeved on the rotating shaft; the rotatable hook is sleeved outside the torsion spring to realize rotation; the fixing bolt connects the rotatable hook and the fixing plate and fixes them through a nut; the charging plate is fixedly arranged between the two fixing seats and located above the rotatable hook; The rotatable hook includes a hook part and a fixing part, and is J-shaped as a whole; a fixing hole is opened on the fixing part for being mounted on the outside of the torsion spring; a torsion arm at one end of the torsion spring is fixed to the fixing plate; the torsion arm at the other end of the torsion spring is fixed to the hook part; the chair frame includes a support frame and a base frame that are hinged to each other; the support frame includes a back support frame, a waist support frame, a leg support frame and a foot support frame that are hinged to each other in sequence; a fixed rotating shaft is provided under the back support frame; the fixed rotating shaft is connected to the back support frame through a bearing; two fixing ears are welded on the fixed rotating shaft, and the fixed charging rod is fixedly arranged on the fixing ears.

2. The stable combined wheelchair bed according to claim 1, characterized in that: The hook part is further connected with a pull rope, a stepping motor and a foot pedal; the hook part can be controlled by the stepping motor or the foot pedal to realize the separation of the nursing chair and the nursing bed.

3. The stable combined wheelchair bed according to claim 1, characterized in that: The charging plate further includes a charging plate body, two charging ports and two charging cables; the charging ports are respectively connected to the charging cables; two conductive parts are provided on the fixed charging rod, and the conductive parts are connected to the charging cables for charging the nursing chair.

4. The stable combined wheelchair bed according to claim 1, characterized in that: The nursing chair further includes a seat cushion, armrests, rollers and a push rod mechanism; the push rod mechanism includes a first pneumatic cylinder and a second pneumatic cylinder; the push rod mechanism is arranged on the base frame and controls the support frame to form a bed or a chair through a push rod; a sewage trough is provided on the seat cushion; a support seat, a water delivery mechanism, a negative pressure drainage mechanism and a control mechanism are further connected below the sewage trough to realize intelligent cleaning of the user's buttocks and centralized intelligent collection of excrement.

5. The stable combined wheelchair bed according to claim 1, characterized in that: The nursing bed comprises a nursing bed body, a support rod part and a baffle part; the support rod part is arranged on both sides of the nursing bed body, and the support rod part can be raised and lowered to facilitate the patient to get out of bed; the baffle part is arranged at the rear end of the nursing bed body; the baffle part can rotate with any one of the rear end bed feet as an axis.

6. The stable combined wheelchair bed according to claim 5, characterized in that: The bed foot is provided with a limiting portion for fixing the baffle portion; the baffle portion is provided with a flip plate, and the flip plate is flipped to a horizontal position for use by the patient.

7. The stable combined wheelchair bed according to claim 5, characterized in that: An infusion fixing ring is also arranged on the side of the nursing bed body for fixing the infusion rod; and anti-slip covers are arranged on the four bed feet of the nursing bed body.

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