A multifunctional hospital bed with leg support

Abstract

The present invention discloses a multifunctional hospital bed with leg support, comprising a bed body, wherein the bed body comprises a first bed board, a second bed board and a third bed board arranged in sequence along the length direction thereof; one end of the first bed board is connected to one end of the second bed board by rotating through a bed board rotating shaft, and the other end of the second bed board is slidably embedded with the third bed board, and the sliding direction is the length direction of the bed body; armrest fixing shafts are installed on the two side surfaces adjacent to the first bed board and an armrest support rod is installed by rotating through the armrest fixing shaft, and the armrest support rod is rotated to form an angle with the second bed board or parallel to the second bed board, and the rotation axis of the armrest support rod and the rotation axis of the first bed board are both perpendicular to the length direction of the bed body; four supporting feet and a push telescopic assembly are installed at the bottom of the second bed board. The present invention integrates lying, semi-lying, sitting and leg support, and can improve the comfort of patients.

Description

Technical Field

[0001] The invention relates to a multifunctional hospital bed, in particular to a multifunctional hospital bed with leg supports, belonging to the technical field of hospital bed applications. Background Art

[0002] At present, the existing hospital beds have relatively simple functions, which are either only used for patients to rest or can meet simple detection and treatment. For patients with leg fractures and injuries, they need additional leg supports to raise their legs. When they need to go out, they need to move to a wheelchair to go out. When using a wheelchair, it is not convenient for patients to stretch their legs and the comfort is poor. The additional leg support frame takes up a lot of space and is not conducive to storage. Therefore, in order to solve the above problems, a multifunctional hospital bed with leg support is proposed, which integrates lying, semi-lying, sitting and leg support to improve the comfort of patients. Summary of the invention

[0003] The purpose of the present invention is to provide a multifunctional hospital bed with leg support in order to solve the above problems.

[0004] The present invention achieves the above-mentioned purpose through the following technical solutions:

[0005] A multifunctional hospital bed with leg support, comprising a bed body, wherein the bed body comprises a first bed board, a second bed board and a third bed board arranged in sequence along the length direction thereof; one end of the first bed board is rotatably connected to one end of the second bed board through a bed board rotating shaft, and the other end of the second bed board is slidably embedded with the third bed board, and the sliding direction is the length direction of the bed body; armrest fixing shafts are installed on both side surfaces adjacent to the second bed board, and armrest support rods are rotatably installed through the armrest fixing shafts, and the armrest support rods are rotated to form an angle with the second bed board or be parallel to the second bed board, and the rotation axis of the armrest support rod and the rotation axis of the first bed board are both perpendicular to the length direction of the bed body;

[0006] The bottom of the second bed board is equipped with four supporting legs and a pushing and telescopic component, and the pushing and telescopic component is arranged between the four supporting legs, and includes a first rotating motor, a telescopic shaft and a telescopic sleeve. The first rotating motor is installed at the bottom of the second bed board, and its output shaft is connected to one end of the telescopic shaft. The threaded sleeve at the other end of the telescopic shaft is provided with a telescopic sleeve. The telescopic sleeve slides along the length direction of the bed body with the rotation of the telescopic shaft, and its end is far away from the first bed board relative to the rotating motor. The telescopic sleeve is fixedly connected to a mounting base, and a bottom wheel is arranged at the bottom of the mounting base. The bottom of the bottom wheel and the bottom of the supporting legs are located on the same plane. The top of one end of the mounting base close to the first bed board is slidably connected to the guide groove at the bottom of the second bed body. Two leg support blocks are arranged at intervals on the top of the other end of the mounting base, and each leg support block is mounted on the mounting base through a height telescopic component.

[0007] The height telescopic assembly includes a fixed shell, a sleeve, a connecting rod, a threaded column, a bearing, an adjusting rod and a height driving gear set. The fixed shell is fixedly connected to the mounting base plate, and the top of the fixed shell is fixedly connected to the sleeve. The top of the sleeve is slidably sleeved with a connecting rod, and a leg support block is installed on the top of the connecting rod. The connecting rod is a hollow structure with a threaded structure on the inner wall. A threaded column is slidably provided on the sleeve, one end of the threaded column is located inside the sleeve and extends into the connecting rod, and is threadedly connected to the threaded structure on the connecting rod. The other end of the threaded column is rotatably connected to the fixed shell through a bearing and extends out of the fixed shell, and is meshed and connected to one end of the adjusting rod located on the inner side of the fixed shell through the height driving gear set. The adjusting rod is rotatably connected to the fixed shell through a bearing, and the other end of the adjusting rod is passed through the top of the fixed shell.

[0008] Preferably, one end of the bed board rotating shaft is located outside the first bed board and the second bed board, and is connected to a second rotating motor at the one end, and the second rotating motor is installed on the second bed board.

[0009] Preferably, the adjusting rod is connected to a third rotating motor, and the third rotating motor is mounted on a fixed shell.

[0010] Preferably, the armrest support rod is a telescopic structure, comprising a fixed sleeve rod, a threaded sleeve and a telescopic sleeve rod, one end of the fixed sleeve rod is rotatably connected to the armrest fixed shaft, and a threaded sleeve is rotatably sleeved inside it, and the end of the threaded sleeve close to the armrest fixed shaft is sleeved with a first bevel gear, the first bevel gear is meshed and connected to the second bevel gear, the axle of the second bevel gear is rotatably passed through the fixed sleeve rod, and the fixed sleeve rod is on the side away from the first bed board, and a fourth rotating motor is installed, the fourth rotating motor is installed on the outside of the fixed sleeve rod, one end of the telescopic sleeve rod is embedded in the fixed sleeve rod through the other end of the fixed sleeve rod, and is threadedly sleeved on the outside of the threaded sleeve, and the telescopic sleeve rod is slidably connected to the fixed sleeve rod.

[0011] Preferably, the height telescopic component is installed on the mounting base through a horizontal sliding drive component, and the horizontal sliding drive component includes a fixed base, a horizontal driving motor, a driving gear, a driven gear and two driving slides. The fixed base is installed on the top of the mounting base, and a driving gear and a driven gear that mesh with each other are rotatably installed therein, and the horizontal driving motor is installed on the top, and the output shaft of the horizontal driving motor is connected to the driving gear, and the two driving slides are arranged on opposite sides of the driving gear and the driven gear, one of the driving slides is meshed with the driving gear, and the other driving slide is meshed with the driven gear. The two driving slides are slidably connected to the fixed base, and the sliding direction is perpendicular to the length direction of the bed body. The tops of the two driving slides pass through the fixed base through the sliding openings opened on the top surface of the fixed base, and are respectively connected to the fixed shells in the two height telescopic components, and the fixed shells are slidably installed on the fixed base through the driving slides.

[0012] Preferably, the top surface of the third bed board is an elastic airbag.

[0013] Preferably, a receiving groove for the leg support block to be embedded is provided at the bottom of the third bed board.

[0014] Preferably, a support wheel is installed at the bottom of the support rod, and the support wheel has a brake structure.

[0015] Preferably, the second bed board is provided with fixed armrests on both side surfaces adjacent to the first bed board.

[0016] Preferably, the top surface of the leg support block is a concave arc-shaped structure, and is wrapped with a rubber pad on the outer layer.

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

[0018] The present invention has the first bed board rotatably connected to the second bed board, and the third bed board slidably connected to the second bed board, so that the device can be used as a common hospital bed for lying down, as a chair for sitting up, and can also be used as a semi-lying bed; the patient's legs are supported by the provision of a leg support block, which is convenient for the patient to stretch his legs when sitting, and to raise his legs when lying down by cooperating with the height telescopic component; the leg support block is installed on the mounting base that is slidably connected to the second bed board, so that the leg support block can be pulled out when needed, and stored at the bottom of the second bed board when not in use, thereby not affecting the use of the present invention as a chair, and convenient to carry. Therefore, the hospital bed designed by the present invention is multifunctional, can meet the needs of lying down and sitting, and has a leg support function, is easy to use, and has good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0020] Figure 1 This is a schematic diagram of the structure of the first embodiment of the present invention when used as a hospital bed.

[0021] Figure 2 It is a schematic diagram of the structure when the third bed board is stored in the first embodiment of the present invention.

[0022] Figure 3 It is a structural schematic diagram of the guide groove of the present invention.

[0023] Figure 4 It is a schematic diagram of the structure of the highly telescopic component of the present invention.

[0024] Figure 5 This is a schematic structural diagram of the second embodiment of the present invention when used as a reclining chair.

[0025] Figure 6 It is a structural schematic diagram of the horizontal sliding drive assembly of the present invention.

[0026] Figure 7 It is a schematic structural diagram of the handrail support rod of the present invention.

[0027] In the figure: a first bed board 1, a bed board rotating shaft 11, a second rotating motor 12, a second bed board 2, a fixed armrest 21, a guide groove 22, a guide block 221, a third bed board 3, an armrest support rod 4, an armrest fixed shaft 41, a fixed sleeve rod 42, a threaded sleeve 43, a telescopic sleeve rod 44, a first bevel gear 45, a second bevel gear 46, a fourth rotating motor 47, a supporting foot 5, a pushing telescopic assembly 6, a first rotating motor 61, a telescopic rotating shaft 62, a telescopic sleeve 63, a mounting base 7, a bottom wheel 71, a connecting column 72, a height telescopic assembly 8, a fixed shell 81, a sleeve 82, a connecting rod 83, a threaded column 84, a bearing 85, a height driving gear set 86, an adjusting rod 87, a third rotating motor 88, a leg supporting block 9, a horizontal sliding driving assembly 10, a fixed base 101, a driving gear 102, a driven gear 103, a driving slide 104, a horizontal driving motor 105, and a sliding mouth 106. DETAILED DESCRIPTION

[0028] In order to make the purpose, features and advantages of the present invention more obvious and easy to understand, 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 embodiments described below are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] The technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.

[0030] In the description of the present invention, it is necessary to understand that the orientations or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inside", "outside", etc. are 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.

[0031] See also Figure 1-4As shown, a multifunctional hospital bed with leg support includes a bed body, and the bed body includes a first bed board 1, a second bed board 2 and a third bed board 3 arranged in sequence along the length direction thereof. One end of the first bed board 1 is rotatably connected to one end of the second bed board 2 through a bed board rotating shaft 11, and the other end of the second bed board 2 is slidably embedded with the third bed board 3, and the sliding direction is the length direction of the bed body; the first bed board 1 can be rotated relative to the second bed board 2 to make the first bed board 1 parallel to the second bed board 2 so that the patient can lie down, and the first bed board 1 can be used as a backrest when it is at an angle to the second bed board 2, and the patient can be half-lying or sitting according to different angles, and the third bed board 3 can be hidden on the second bed board 2 and pulled out when needed, so that the first bed board 1 and the second bed board 2 form a complete bed body for patients to lie down. In other words, the present invention can be used as both a hospital bed and a seat. Preferably, the second bed board 2 is provided with fixed armrests 21 on both side surfaces adjacent to the first bed board 1 to improve the stability of the device when in use and prevent the patient from falling; one end of the bed board shaft 11 is located on the outside of the first bed board 1 and the second bed board 2, and is connected to the second rotating motor 12 at this end, the second rotating motor 12 is installed on the second bed board 2, preferably arranged at the bottom of the second bed board 2, and is connected to the bed board shaft 11 through a conveyor belt assembly or a gear set to promote the first bed board 1 to rotate relative to the second bed board 2 through the second rotating motor 12; the top surface of the third bed board 3 is an elastic air bag, so that the top surface of the third bed board 3 can be flush with the top surface of the second bed board 2, thereby improving the comfort of the device as a hospital bed; in another embodiment of the present invention, the first bed board 1 is a telescopic structure, wherein the fixed end is connected to the second bed board 2, so as to adjust the length of the bed body and the height of the backrest when the first bed board 1 is used as a backrest through the telescopic effect.

[0032] Armrest fixing shafts 41 are installed on the two side surfaces adjacent to the first bed board 1 and the second bed board 2, and armrest support rods 4 are rotatably installed through the armrest fixing shafts 41. The armrest support rods 4 are rotated to form an angle with or be parallel to the second bed board 2, and the rotation axis of the armrest support rods 4 and the rotation axis of the first bed board 1 are both perpendicular to the length direction of the bed body; through the rotation action of the armrest support rods 4, when the device is used as a hospital bed or half-lying, the armrest support rods 4 can support the first bed board 1, and when used as a seat, the armrest support rods 4 can be used as an armrest. In other words, the armrest support rods 4 can support the ground or be located directly above the second bed board 2 for the patient to place his arms.

[0033] The bottom of the second bed board 2 is provided with four supporting legs 5 and a pushing telescopic assembly 6. The four supporting legs 5 are used to support the second bed board 2, and together with the armrest support rod 4 supporting the ground, the device is supported to improve the stability of the device when used as a hospital bed or semi-lying. The pushing and telescopic assembly 6 is arranged between the four supporting legs 5, and includes a first rotating motor 61, a telescopic shaft 62 and a telescopic sleeve 63. The first rotating motor 61 is installed at the bottom of the second bed board 2, and the output shaft of the first rotating motor 61 is connected to one end of the telescopic shaft 62. The telescopic shaft 62 is preferably rotatably installed at the bottom of the second bed board 2 through a bearing 85. The threaded sleeve 43 at the other end of the telescopic shaft 62 is provided with a telescopic sleeve 63. The telescopic sleeve 63 slides along the length direction of the bed body as the telescopic shaft 62 rotates. It is relative to the end of the first rotating motor 61 away from the first bed board 1. The telescopic sleeve 63 is fixedly connected to the mounting base 7 to drive the mounting base 7 to extend out of the bottom of the second bed board 2 or be stored in the bottom of the second bed board 2. The bottom of the mounting base 7 is provided with a bottom wheel 71, and the bottom of the bottom wheel 71 is connected to the bottom of the second bed board 2. The bottoms of the supporting feet 5 are located on the same plane to facilitate the sliding of the mounting base 7 and support the mounting base 7. The top of one end of the mounting base 7 close to the first bed board 1 is slidably connected to the guide groove 22 at the bottom of the second bed body. Specifically, a connecting column 72 is provided on the top of the mounting base 7, and a guide block 221 is fixedly connected to the top of the connecting column 72. The guide block 221 is slidably engaged in the guide groove 22. Preferably, two guide grooves 22 are arranged at intervals at the bottom of the second bed body, and two leg support blocks 9 are arranged at intervals at the top of the other end of the mounting base plate. Each leg support block 9 is mounted on the mounting base plate through a height telescopic component 8 to support the patient's legs through the two leg support blocks 9. Preferably, the top surface of the leg support block 9 is a concave arc structure, and a rubber pad is wrapped on the outer layer to improve the comfort of the legs when placed.

[0034] In the present invention, the leg support block 9 is installed on the mounting base 7 through a height telescopic component 8, and its height can be adjusted according to the use needs to meet different leg placement height requirements, wherein the height telescopic component 8 includes a fixed shell 81, a sleeve 82, a connecting rod 83, a threaded column 84, a bearing 85, an adjustment rod 87 and a height driving gear set 86. The fixed shell 81 is fixedly connected to the mounting base plate, and its top is fixedly connected to the sleeve 82. The top of the sleeve 82 is slidably sleeved with a connecting rod 83. The top of the connecting rod 83 is installed with the leg support block 9, which is a hollow structure. The inner wall is provided with a threaded structure, and a threaded column 84 is slidably provided on the sleeve 82. One end of the threaded column 84 is located inside the sleeve 82 and extends into the connecting rod 83, and is threadedly connected with the threaded structure on the connecting rod 83. The other end of the threaded column 84 is rotatably connected to the fixed shell 81 through a bearing 85, and extends out of the fixed shell 81, and is meshed and connected to one end of the adjustment rod 87 located inside the fixed shell 81 through the height driving gear set 86. The adjustment rod 87 is rotatably connected to the fixed shell 81 through the bearing 85, and the other end thereof is penetrated to the top of the fixed shell 81. In the height telescopic assembly 8, the height driving gear set 86 is rotated by rotating the adjustment rod 87, thereby driving the threaded column 84 to rotate, and the threaded column 84 then causes the connecting rod 83 to slide up and down relative to the sleeve 82, thereby causing the leg support block 9 to rise and fall to adjust the height. In addition, when the third bed board 3 needs to be unfolded, the leg support block 9 can support the third bed board 3 by rising and falling, thereby stabilizing the bed body. Preferably, the bottom of the third bed board 3 is provided with a receiving groove for the leg support block 9 to be embedded in, so that the leg support block 9 is fixedly connected to the third bed board 3. At this time, the length of the third bed board 3 pulled out relative to the second bed board 2 can be adjusted by pushing the telescopic component 6, thereby adjusting the length of the bed body as needed.

[0035] For further information, see Figure 5-7In the second embodiment of the present invention, the adjustment rod 87 is connected to the third rotating motor 88, and the third rotating motor 88 is installed on the fixed shell 81, so as to cause the leg support block 9 to rise and fall through the third rotating motor 88. Furthermore, the height telescopic component 8 is installed on the mounting base plate through the horizontal sliding drive component 10, and the horizontal sliding drive component 10 includes a fixed base 101, a horizontal driving motor 105, a driving gear 102, a driven gear 103 and two driving slides 104. The fixed base 101 is installed on the top of the mounting base plate, and the driving gear 102 and the driven gear 103 that mesh with each other are rotatably installed therein, and the horizontal driving motor 105 is installed on the top, and the output shaft of the horizontal driving motor 105 is connected to the driving gear 102. The two driving slides 104 are arranged on the opposite sides of the driving gear 102 and the driven gear 103, one of which is The driving slide bar 104 is meshed with the driving gear 102, and the other driving slide bar 104 is meshed with the driven gear 103. The two driving slide bars 104 are slidably connected with the fixed base 101, and the sliding direction is perpendicular to the length direction of the bed body. The tops of the two driving slide bars 104 pass through the fixed base 101 through the sliding opening 106 opened on the top surface of the fixed base 101, and are respectively connected to the fixed shells 81 in the two height telescopic components 8. The fixed shells 81 are slidably installed on the fixed base 101 through the driving slide bars 104; the horizontal sliding drive component 10 drives the driving gear 102 to drive the driven gear 103 to rotate through the horizontal driving motor 105, and the driving slide bars 1 04 The meshing connection between the driving gear 102 and the driven gear 103 enables the fixed shell 81 to slide along the width direction of the bed body, thereby adjusting the position of the leg support block 9 along the width direction of the bed body. For example, when the mounting base 7 slides out and the leg support block 9 is located on the outside of the second bed board 2, the distance between the two leg support blocks 9 is adjusted to accommodate the placement of the legs of patients of different body shapes. At the same time, the patient's legs can be in an open state, and the lifting effect of the height telescopic component 8 can be combined to lift the patient's legs. At this time, the patient's lower body can be exposed, which is convenient for medical staff to examine and treat the patient's lower body, such as gynecological washing, removing leucorrhea, etc.; when pushing The telescopic component 6 adjusts the distance between the leg support block 9 and the first bed board 1, and the leg support block 9 is located on the outside of the second bed board 2 through the horizontal sliding drive component 10, and then the position of the leg support block 9 is adjusted through the height telescopic component 8, so that the leg support block 9 can contact the patient's upper limbs and support the patient's upper limbs, which is convenient for medical personnel to examine the patient's upper limbs. When the third rotating motor 88 is caused to rotate and flip regularly, the upper limbs can swing up and down with the leg support block 9, so that the patient's upper limb joints can rotate, and hand function rehabilitation training can be achieved. During the hand training, a hand strap can be equipped, which can be performed in a lying position or sitting position. Preferably, the bottom of the fixed shell 81 has a ball, which is connected to the fixed base 101 through the rolling of the ball, so that the fixed shell 81 can move horizontally.

[0036] Further, in a third embodiment of the present invention, the handrail support rod 4 is a telescopic structure, including a fixed sleeve rod 42, a threaded sleeve 43 and a telescopic sleeve 63 rod 44, one end of the fixed sleeve rod 42 is rotatably connected to the handrail fixed shaft 41, and a threaded sleeve 43 is rotatably sleeved therein, and one end of the threaded sleeve 43 close to the handrail fixed shaft 41 is sleeved with a first bevel gear 45, the first bevel gear 45 is meshed and connected to the second bevel gear 46, the wheel axle of the second bevel gear 46 is rotatably penetrated by the fixed sleeve rod 42, and the fixed sleeve rod 42 A first bevel gear 47 is installed on the side facing away from the first bed board 1, and the first bevel gear 47 is installed on the outside of the fixed sleeve rod 42. One end of the telescopic sleeve 63 rod 44 is embedded in the fixed sleeve rod 42 through the other end of the fixed sleeve rod 42, and the threaded sleeve 43 is arranged on the outside of the threaded sleeve 43. The telescopic sleeve 63 rod 44 is slidably connected with the fixed sleeve rod 42. Through the above-mentioned arrangement, the length of the armrest support rod 4 can be adjusted according to the inclination degree of the first bed board 1 relative to the second bed board 2, so that the armrest support rod 4 can support the ground.

[0037] Furthermore, a support wheel is installed at the bottom of the support foot 5, and the support wheel has a brake structure to facilitate the movement of the device, so that the device can also be used as a wheelchair. Preferably, a roller is installed at the end of the armrest support rod 4 that is not connected to the first bed body, so as to cooperate with the use of the support wheel and the bottom wheel 71 so that when the present invention is used as a hospital bed, it can also facilitate the movement of the present invention.

[0038] It should be noted that the present application also includes a controller and a control switch button. Each motor is connected to the controller and can operate under the control of the controller. The control switch button can control the operation of each motor. The circuits, electronic components and modules involved are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by the present invention does not involve improvements to software and methods.

[0039] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations within the meaning and scope of the elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0040] As described above, the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features thereof may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A multifunctional hospital bed with leg support, comprising a bed body, characterized in that: The bed body comprises a first bed board, a second bed board and a third bed board arranged in sequence along the length direction thereof; one end of the first bed board is rotatably connected to one end of the second bed board through a bed board rotating shaft, and the other end of the second bed board is slidably embedded with the third bed board, and the sliding direction is the length direction of the bed body; armrest fixing shafts are installed on the two side surfaces adjacent to the second bed board, and an armrest support rod is rotatably installed through the armrest fixing shaft, and the armrest support rod is rotated to form an angle with the second bed board or be parallel to the second bed board, and the rotation axis of the armrest support rod and the rotation axis of the first bed board are both perpendicular to the length direction of the bed body; The bottom of the second bed board is equipped with four supporting legs and a pushing and telescopic component, and the pushing and telescopic component is arranged between the four supporting legs, and includes a first rotating motor, a telescopic shaft and a telescopic sleeve. The first rotating motor is installed at the bottom of the second bed board, and its output shaft is connected to one end of the telescopic shaft. The threaded sleeve at the other end of the telescopic shaft is provided with a telescopic sleeve. The telescopic sleeve slides along the length direction of the bed body with the rotation of the telescopic shaft, and its end is far away from the first bed board relative to the rotating motor. The telescopic sleeve is fixedly connected to a mounting base, and a bottom wheel is arranged at the bottom of the mounting base. The bottom of the bottom wheel and the bottom of the supporting legs are located on the same plane. The top of one end of the mounting base close to the first bed board is slidably connected to the guide groove at the bottom of the second bed body. Two leg support blocks are arranged at intervals on the top of the other end of the mounting base, and each leg support block is mounted on the mounting base through a height telescopic component. The height telescopic assembly includes a fixed shell, a sleeve, a connecting rod, a threaded column, a bearing, an adjusting rod and a height driving gear set. The fixed shell is fixedly connected to the mounting base, and the top of the fixed shell is fixedly connected to the sleeve. The top of the sleeve is slidably sleeved with a connecting rod. A leg support block is installed on the top of the connecting rod. The connecting rod is a hollow structure with a threaded structure on the inner wall. A threaded column is slidably provided on the sleeve. One end of the threaded column is located inside the sleeve and extends into the connecting rod and is threadedly connected to the threaded structure on the connecting rod. The other end of the threaded column is rotatably connected to the fixed shell through a bearing and extends out of the fixed shell. It is meshed and connected to one end of the adjusting rod located on the inner side of the fixed shell through the height driving gear set. The adjusting rod is rotatably connected to the fixed shell through a bearing, and the other end of the adjusting rod is passed through the top of the fixed shell. One end of the bed board rotating shaft is located outside the first bed board and the second bed board, and is connected to a second rotating motor at the one end, and the second rotating motor is mounted on the second bed board; The adjusting rod is connected to the third rotating motor, and the third rotating motor is installed on the fixed shell.

2. A multifunctional bed with leg support as claimed in claim 1, characterized in that: The armrest support rod is a telescopic structure, including a fixed sleeve rod, a threaded sleeve and a telescopic sleeve rod. One end of the fixed sleeve rod is rotatably connected to the armrest fixed shaft, and a threaded sleeve is rotatably sleeved inside it. The end of the threaded sleeve close to the armrest fixed shaft is sleeved with a first bevel gear, and the first bevel gear is meshed and connected to the second bevel gear. The axle of the second bevel gear is rotatably passed through the fixed sleeve rod, and the fixed sleeve rod is on the side away from the first bed board, and a fourth rotating motor is installed. The fourth rotating motor is installed on the outside of the fixed sleeve rod, and one end of the telescopic sleeve rod is embedded in the fixed sleeve rod through the other end of the fixed sleeve rod, and is threadedly sleeved on the outside of the threaded sleeve, and the telescopic sleeve rod is slidably connected to the fixed sleeve rod.

3. A multifunctional bed with leg support as claimed in claim 1, characterized in that: The height telescopic component is installed on the mounting base through a horizontal sliding drive component, and the horizontal sliding drive component includes a fixed base, a horizontal driving motor, a driving gear, a driven gear and two driving slides. The fixed base is installed on the top of the mounting base, and a driving gear and a driven gear that mesh with each other are rotatably installed therein. The horizontal driving motor is installed on the top, and the output shaft of the horizontal driving motor is connected to the driving gear. The two driving slides are arranged on opposite sides of the driving gear and the driven gear. One driving slide is meshed with the driving gear, and the other driving slide is meshed with the driven gear. The two driving slides are slidably connected to the fixed base, and the sliding direction is perpendicular to the length direction of the bed body. The tops of the two driving slides pass through the fixed base through the sliding openings opened on the top surface of the fixed base, and are respectively connected to the fixed shells in the two height telescopic components, and the fixed shells are slidably installed on the fixed base through the driving slides.

4. A multifunctional bed with leg support as claimed in claim 1, characterized in that: The top surface of the third bed board is an elastic air bag.

5. The multifunctional bed with leg support as claimed in claim 1, characterized in that: The bottom of the third bed board is provided with a receiving groove for the leg supporting block to be embedded.

6. The multifunctional bed with leg support as claimed in claim 1, characterized in that: A supporting wheel is installed at the bottom of the supporting rod, and the supporting wheel has a brake structure.

7. The multifunctional bed with leg support as claimed in claim 1, characterized in that: The second bed board is provided with fixed armrests on two side surfaces adjacent to the first bed board.

8. The multifunctional bed with leg support as claimed in claim 1, characterized in that: The top surface of the leg support block is a concave arc-shaped structure, and is wrapped with a rubber pad on the outer layer.

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