Bidirectional large-stroke adjustable medical transfer bed

Abstract

The invention relates to the technical field of medical transfer beds, and discloses a bidirectional large-stroke adjustable medical transfer bed which comprises a bed underframe and a bed frame arranged above the bed underframe, and further comprises an adjusting mechanism arranged on a reinforcing plate and located on the inner side of the bed frame; the hip supporting and limiting mechanism rotationally penetrates through the bed board and is rotationally connected with the adjusting mechanism; the bearing mechanism is movably placed in the bed board and is connected with the hip supporting and limiting mechanism; the adjusting mechanism comprises a power part and an execution part; the hip supporting and limiting mechanism comprises a linkage piece and a supporting and limiting piece; by means of linkage of the adjusting mechanism and the hip supporting and limiting mechanism and pushing of the power piece, the executing piece is made to rotate, so that the angle is adjusted, and the back of a patient is supported. Meanwhile, the linkage part moves along with the power part, pulls the supporting and limiting part to rotate, provides sunken support for the hip of the patient, limits the hip while adjusting the angle of the back support, enlarges the adjusting range of the back support and prevents slippage.

Description

Technical Field

[0001] The invention relates to the technical field of medical transfer beds, and in particular to a bidirectional large-stroke adjustable medical transfer bed. Background Art

[0002] In the technical field of medical transfer beds, a bed board is used with the support of a bed base and a bed frame to provide body support for the patient, and a servo motor is started by controlling the servo motor through the driving end and the shaft pulley to drive the synchronous belt to rotate. The rotating power and friction of the synchronous belt are used to push the bed board and the patient supported on it to perform large-stroke translation adjustment according to the rotation direction, and at the same time, the bed base is pushed to move, thereby facilitating the transfer of patients. However, traditional two-way large-stroke adjustable medical transfer beds still have some problems during operation.

[0003] For example, in actual operations, the transfer of different patients usually requires supporting the patients at different angles. When it is necessary to transfer patients with heart disease, respiratory diseases, stroke and abdominal surgery and adjust the backrest angle, the buttocks will slide toward the feet, the adjustment range is small, and the support effect is poor. Summary of the invention

[0004] The present invention provides a bidirectional large-stroke adjustable medical transfer bed, which can provide support limit for the buttocks while adjusting the support angle of the patient's back, prevent the patient's buttocks from slipping, and increase the adjustment stroke and support effect.

[0005] In order to solve the above technical problems, the technical solution of the present invention is as follows: In the first aspect, a bidirectional large-stroke adjustable medical transport bed comprises: a bed frame and a bed frame arranged on the top, a reinforcement plate is fixed on the inner side of the bed frame, a servo motor is fixed inside the reinforcement plate and symmetrically arranged on the inner side of the bed frame, a rotating shaft is symmetrically arranged on the inner side of the bed frame, two driving ends of the servo motor and the outer side of the rotating shaft are connected with pulleys, a synchronous belt is sleeved on the outer side of the pulley, a bed board is placed on the top of the bed frame, and the bed board is fitted with the synchronous belt, and the bed board is adjusted with a bidirectional large stroke, and also comprises: An adjustment mechanism, which is arranged on the reinforcement plate and located inside the bed frame, to adjust the patient's back support angle; The buttocks support and limit mechanism is rotatably arranged through the bed board and is rotatably connected with the adjustment mechanism so as to adjust the buttocks supported and limited by the buttocks support and limit mechanism at the same time; The supporting mechanism is movably placed in the bed board and connected to the hip support and limit mechanism to cooperate with the hip support and limit mechanism to support the legs; A guard portion, symmetrically arranged on the outside of the bed frame and connected to the adjustment mechanism, to provide protection when adjusting the back support; The adjustment mechanism includes a power member and an actuator, the power member is connected to a side of the reinforcement plate away from the bed board, the power member is connected to the actuator, and the actuator passes through the bed board and is arranged above the bed board; The protection part comprises a blocking member and a pulling member, wherein the blocking member is rotatably connected to the bed frame, and the pulling member is connected to the blocking member and a power member, so that the power member pulls the blocking member through the pulling member to unfold the protection.

[0006] Furthermore, the power member comprises: A bracket is fixed to a side of the reinforcement plate away from the bed board; An electric rod, one end of which is rotatably connected to the bracket; A V-link, one end of which is rotatably connected to the other end of the electric rod; A support plate, fixed on the inner side of the fixed plate; The swivel column penetrates the V-link and is fixedly connected thereto, and is rotatably connected to the support plate.

[0007] Furthermore, the execution element includes: There are two wheel frames, which are fixed at two ends of the V-link away from the electric rod; A pulley, rotatably connected to the inner side of the wheel frame; A movable groove is provided through the bed board; The back plate has one end rotatably connected to the bed plate and is located above the bed plate and above the pulley.

[0008] Further, the hip support mechanism includes a linkage member and a support member, one end of the linkage member is connected to the power member, and the other end is connected to the support member, the support member is arranged through the bed board and is located on one side of the actuator, and the support member includes: Around the column, through the bed board, rotatably connected, and located on the inner side of the movable groove; The seat plate is fixedly mounted on the outside of the winding column, located on the inside of the movable groove and above the electric rod; The slideway is fixed on the side of the seat plate close to the electric rod; The guide parts are arranged in the slideway and are used for transmission guidance.

[0009] Further, the guide part comprises: A guide groove is provided through the side of the slideway away from the seat plate; A slider is movably placed on the inner side of the slideway and above the guide groove; The through-frame is fixed on a side of the slide block close to the guide groove and is arranged through the guide groove.

[0010] Further, the linkage comprises: A rotary plate, one end of which is rotatably connected to the through-frame; A second rotating rod is provided at the other end of the rotating plate; The second ear is rotatably mounted on the outer side of the second rotating rod and is fixedly connected to the V-connecting rod.

[0011] Further, the supporting mechanism includes a follower and a leg supporting member, and the follower includes: An adjusting part connected to one end of the winding column; A guide sleeve, arranged at an end of the adjusting part away from the winding column; Insert rod, movable through guide sleeve setting; The first retaining ring is fixedly sleeved on the outer side of the inserting rod and is located in the direction where the guide sleeve is close to the bed board.

[0012] Further, the adjusting part comprises: A second support plate is fixed to one end of the winding column; A telescopic rod, one end of which is fixedly connected to the second support plate; A bent rod, fixed to the other end of the telescopic rod; The arc block is fixed to one end of the bending rod away from the telescopic rod and is connected to the guide sleeve.

[0013] Further, the leg support member comprises: The retractable parts are arranged on the bed board; There are three leg support plates, evenly distributed in the retractable parts; A sleeve rod is fixed to one end of the leg support plate and passes through the retractable parts; The jack is provided through the inside of the sleeve rod and corresponds to the position of the insertion rod.

[0014] Furthermore, the retractable parts include: There are three storage slots, evenly spaced on the side of the bed board away from the bed frame; There are three arc grooves, which are evenly arranged on the bed plate and communicate with the storage grooves; The arc groove passes through a side of the bed board away from the bed frame and a side of the bed board close to the telescopic rod.

[0015] The above solution of the present invention includes at least the following beneficial effects: By setting up an adjustment mechanism and a hip support limit mechanism, and utilizing a power member arranged in the adjustment mechanism, the actuator is pushed through the bed frame and the bed board under the support of the reinforcement plate, so that the actuator rotates under the push of the power member and the support of the bed board, thereby adjusting the angle to provide support for the patient's back. At the same time, the linkage member in the hip support limit mechanism is utilized to move with the power member, and cooperates with the guide part to pull the support limit member to rotate clockwise to provide sinking support for the patient's buttocks, thereby achieving the provision of a limit for the patient's buttocks while adjusting the patient's back support angle, thereby increasing the adjustment stroke of the back support to prevent slippage. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1A schematic diagram of the overall three-dimensional structure of a bidirectional, large-stroke adjustable medical transport bed provided in an embodiment of the present invention; Figure 2 A schematic diagram of a three-dimensional structure of an H-shaped frame, an upper connecting plate and a lower connecting plate combination provided in an embodiment of the present invention; Figure 3 A schematic diagram of a three-dimensional structure of a bed base and a bed frame combination provided by an embodiment of the present invention; Figure 4 A schematic diagram of a three-dimensional structure of a bed frame and a bed board combination provided by an embodiment of the present invention; Figure 5 An overall cross-sectional view of a long-stroke adjustable medical transport bed provided by an embodiment of the present invention; Figure 6 A schematic diagram of the three-dimensional structure of the adjustment mechanism and the guide part combination provided by an embodiment of the present invention; Figure 7 A schematic diagram of a three-dimensional structure of a back plate and a seat plate combination provided in an embodiment of the present invention; Figure 8 A three-dimensional exploded view of a seat plate, a guide part and a rotating plate assembly provided in an embodiment of the present invention; Fig. 9 A schematic diagram of the three-dimensional structure of a bed base provided by an embodiment of the present invention; Fig.10 A schematic diagram of the bottom three-dimensional structure of a seat board, a support board and a bed frame assembly provided by an embodiment of the present invention; Fig.11 A schematic diagram of the three-dimensional structure of a leg support plate, a telescopic rod and a seat plate combination provided in an embodiment of the present invention; Fig.12 The embodiment of the present invention provides Fig.11 Schematic diagram of the structure at A in FIG. Fig.13 A schematic diagram of the three-dimensional structure of a sleeve, a counterweight, a guide rod and a spring assembly provided in an embodiment of the present invention; Fig.14 A schematic diagram of the three-dimensional structure of a blocking member provided in an embodiment of the present invention; Fig.15 The embodiment of the present invention provides Figure 3 Schematic diagram of the structure at B in FIG. Fig.16 A schematic diagram of the three-dimensional structure of a stretching member provided in an embodiment of the present invention; Fig.17 The embodiment of the present invention provides Figure 3 Schematic diagram of the structure at C in FIG. Fig.18 The embodiment of the present invention provides Figure 3 Schematic diagram of the structure at D in .

[0017] Description of reference numerals: In the figure: 1, bed frame; 2, universal wheel; 3, first ear; 4, rotating rod; 5, lower connecting plate; 6, first rotating rod; 7, connector; 8, H-shaped frame; 9, upper connecting plate; 10, first fixing rod; 11, fixing frame; 12, electric push rod; 13, connecting frame; 14, bed frame; 15, headboard; 16, reinforcement plate; 17, servo motor; 18, long shaft; 19, first driven wheel; 20, pulley; 21, Synchronous belt; 22, bed board; 23, first support board; 24, handle; 25, movable groove; 26, hinge; 27, back board; 28, bracket; 29, electric rod; 30, connecting plate; 31, V-link; 32, support plate; 33, rotating column; 34, wheel frame; 35, pulley; 36, second fixed rod; 37, winding column; 38, seat board; 39, slideway; 40, guide groove; 41, slider; 42, through frame; 43 , rotating plate; 44, second rotating rod; 45, second support ear; 46, storage groove; 47, arc groove; 48, leg support plate; 49, sleeve rod; 50, second support plate; 51, telescopic rod; 52, bending rod; 53, arc block; 54, guide sleeve; 55, plug rod; 56, first retaining ring; 57, handle; 58, sleeve; 59, locking groove; 60, guide rod; 61, locking rod; 62, second retaining ring; 63, spring; 64. Counterweight; 65. Fixed plate; 66. Crossbar; 67. Ring; 68. Handrail; 69. Wire rope; 70. Guide plate; 71. T-plate; 72. Shift plate; 73. Semicircular plate; 74. Ball stop; 75. Rack; 76. Gear; 77. First drive wheel; 78. First drive belt; 79. Second drive wheel; 80. Second driven wheel; 81. Second drive belt; 82. Synchronous wheel; 83. Belt. DETAILED DESCRIPTION

[0018] The exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided in order to enable a more thorough understanding of the present invention and to enable the scope of the present invention to be fully communicated to those skilled in the art.

[0019] like Figures 1 to 18As shown, an embodiment of the present invention provides a bidirectional large-stroke adjustable medical transport bed, comprising: a bed base 1 and a bed frame 14 arranged on the top, a plurality of reinforcing plates 16 are fixed on the inner side of the bed frame 14, a servo motor 17 is fixed inside one of the reinforcing plates 16, two long shafts 18 are rotatably connected to the inner side of the plurality of reinforcing plates 16, and the two long shafts 18 are symmetrically arranged on the inner side of the bed frame 14, four pulleys 20 are symmetrically arranged on the inner side of the bed frame 14, a synchronous belt 21 is sleeved on the outer side of the pulley 20, the driving end of the servo motor 17 is connected to two first driving wheels 77, the outer side of the long shaft 18 is sleeved with a first driven wheel 19, and the first driven wheel 19 is connected to the first driving wheel 77. The first drive wheel 77 and the adjacent first driven wheel 19 are sleeved with a first drive belt 78 on the outside, and the second drive wheel 79 is sleeved on the outside of the two long shafts 18. A second driven wheel 80 is rotatably connected to one side of one of the reinforcing plates 16 close to the second drive wheel 79, and the second driven wheel 80 is adjacent to the second drive wheel 79. The second driven wheel 80 and the second drive wheel 79 are sleeved with a second drive belt 81 on the outside, and the two long shafts 18 are sleeved with a synchronous wheel 82 on the outside, and the synchronous wheel 82 is sleeved with a belt 83 on the outside. A bed board 22 is placed above the bed frame 14, and the bed board 22 is fitted with the synchronous belt 21 to adjust the bed board 22 with a large bidirectional stroke, and also includes: An adjustment mechanism, which is disposed on the reinforcement plate 16 and is located inside the bed frame 14, to adjust the patient's back support angle; The hip support and limit mechanism is rotatably arranged through the bed plate 22 and is rotatably connected to the adjustment mechanism so as to adjust the hip support and limit position of the hip support and limit mechanism during adjustment; The supporting mechanism is movably placed in the bed board 22 and connected to the hip support and limit mechanism to cooperate with the hip support and limit mechanism to support the legs; The adjustment mechanism includes a power member and an actuator. The power member is connected to a side of the reinforcement plate 16 away from the bed board 22. The power member is connected to the actuator, and the actuator passes through the bed board 22 and is arranged above the bed board 22. The hip support and limit mechanism includes a linkage member and a support and limit member. One end of the linkage member is connected to the power member, and the other end is connected to the support and limit member. The support and limit member is arranged through the bed board 22 and is located on one side of the actuator.

[0020] Specifically, the bed frame 1 is symmetrically equipped with a universal wheel 2 on one side away from the bed frame 14, and a first ear 3 is symmetrically fixed on one side of the bed frame 1 away from the universal wheel 2. The first ear 3 is rotatably connected with a rotating rod 4 inside, and a lower connecting plate 5 is installed on the outer side of the rotating rod 4. A first rotating rod 6 is fixed inside the lower connecting plate 5, and one end of the first rotating rod 6 is rotatably connected with a connecting head 7, and an H-shaped frame 8 is fixed on the outer side of the connecting head 7, and the H-shaped frame 8 connects all the connecting heads 7 to each other, and an upper connecting plate 9 is rotatably mounted on one end of the first rotating rod 6 away from the connecting head 7, and the inner sides of the upper connecting plates 9 are mutually connected with first fixing rods 10 to reinforce the upper connecting plates 9, and the outer side of the H-shaped frame 8 is rotatably connected with a fixed The frame 11 is located at a central symmetrical position of the H-shaped frame 8, an electric push rod 12 is fixed to one end of the fixed frame 11 close to the first fixed rod 10, and the telescopic end of the electric push rod 12 is rotatably connected to a connecting frame 13, and the connecting frame 13 is connected to the first fixed rod 10, and a headboard 15 is symmetrically fixed to the inner side of the bed frame 14 to reinforce the bed frame 14, and a first support plate 23 is fixed to the side of the bed frame 14 away from the bed base frame 1, and a handle 24 is fixed to the first support plate 23, two of which are rotatably connected to the headboard 15 through a connecting component, and the other two pulleys 20 are mounted on the outer side of the long shaft 18, and the second driven wheel 80 extends to the inner side of the synchronous belt 21 and fits with the pulley 20.

[0021] The universal wheel 2 can provide support for the bed base 1, and the bed base 1 can provide stable support for the first ear 3, and the first ear 3 can provide rotation support for the rotating rod 4, and the rotating rod 4 can provide support for the lower connecting plate 5, so that the lower connecting plate 5 can rotate together with the rotating rod 4 under the support of the first ear 3, and the lower connecting plate 5 can provide support for the first rotating rod 6, and the first rotating rod 6 can provide rotation support for the connecting head 7, and the connecting head 7 provides stable support for the H-shaped frame 8, and the H-shaped frame 8 can synchronize all the lower connecting plates 5, and the upper connecting plate 9 can provide stable support for the bed frame 14 with the support of the first rotating rod 6, and the bed frame 14 can synchronize all the upper connecting plates 9, and the reinforcement plate 16 can make the bed frame 14 more stable, and can provide stable support for the servo motor 17, and can provide rotation support for the long shaft 18, and the servo motor 17 can use the driving end to drive the first driving wheel 77 to rotate, and the long shaft 18 It can provide stable support for the first driven wheel 19. The first driven wheel 19 and the first driving wheel 77 can provide support for the first driving belt 78. The first driving wheel 77 can use rotational power and friction force to push the first driving belt 78, so that the first driving belt 78 uses external force and friction force to push the first driven wheel 19 to rotate, and then the first driven wheel 19 can drive the long shaft 18 to rotate under the support of the reinforcement plate 16 under the action of external force. One end of the long shaft 18 is rotatably connected to the headboard 15. The rotation of the long shaft 18 can drive the second driving wheel 79 to rotate together. The second driving wheel 79 can use rotational power to push the second driving belt 81, so that the second driving belt 81 uses external force to drive the second driven wheel 80 to rotate under the support of the reinforcement plate 16. At the same time, the second driven wheel 80 will use rotational power and friction force to push the pulley 20, so that the pulley 20 rotates under the support of the headboard 15.

[0022] In actual application of this embodiment: the patient can lie on the bed board 22 supported by the bed base 1, the lower connecting plate 5, the upper connecting plate 9 and the bed frame 14, and the staff can hold the handle 24 and push the bed frame 14 through the first support plate 23 according to the actual needs, so that the bed frame 14 transmits the external force to the bed base 1 through the upper connecting plate 9, the first rotating rod 6 and the lower connecting plate 5, so that the bed base 1 pushes the universal wheel 2 under the action of the external force, and uses the external force and the universal wheel 2 to push the bed base 1 and all the facilities arranged above it to move, so as to facilitate the use of the transfer bed to support and move the patient.

[0023] At the same time, the staff can control the extension of the electric push rod 12 under the support of the H-shaped frame 8 and the fixed frame 11 according to the actual needs, so that the electric push rod 12 pushes the first fixed rod 10 through the connecting frame 13. At the same time, the electric push rod 12 and the fixed frame 11 will rotate clockwise around the H-shaped frame 8 under the action of external force, and the end of the electric push rod 12 away from the fixed frame 11 will rotate clockwise around the connecting frame 13 under the support of the first fixed rod 10. At the same time, the electric push rod 12 will push the upper connecting plate 9 to move away from the bed frame 1 through the connecting frame 13 and the first fixed rod 10 as the electric push rod 12 rotates, and the upper connecting plate 9 will push the bed frame 14 and all the facilities arranged on the top thereof move upward together. As the electric push rod 12 continues to extend, the upper connecting plate 9 will use external force to drive the connecting head 7 to move together through the first rotating rod 6, and use the first rotating rod 6 to pull the lower connecting plate 5 to rotate clockwise with the rotating rod 4 as the center under the support of the first ear 3. At the same time, the upper connecting plate 9 will rotate counterclockwise with the first rotating rod 6 as the center, thereby unfolding the upper connecting plate 9 and the lower connecting plate 5. At the same time, the connecting head 7 will drive the H-shaped frame 8 to move together in the direction away from the bed base frame 1, and the H-shaped frame 8 will make all the lower connecting plates 5 move synchronously through the first rotating rod 6, thereby adjusting the height of the bed frame 14.

[0024] The staff can control the servo motor 17 to rotate under the support of the bed frame 14 and the reinforcement plate 16 as needed, so that the servo motor 17 drives the first driving wheel 77 to rotate by using the driving end, and the first driving wheel 77 can use the rotational power and friction force to push the first driving belt 78, so that the first driving belt 78 uses the external force and friction force to push the first driven wheel 19 to rotate, and then the first driven wheel 19 can drive the long shaft 18 to rotate under the support of the reinforcement plate 16 and the headboard 15 under the action of external force, so that the long shaft 18 drives the pulley 20 arranged on the outside thereof to rotate under the support of the headboard 15 and the reinforcement plate 16 by using the rotational power, and at the same time, the long shaft 18 drives the second driving wheel 79 to rotate by using the rotational power, so that the second driving wheel 79 drives the second driving belt 81 by using the rotational power, so that the second driving belt 81 is driven by the external force. The second driven wheel 80 is pushed to rotate under the support of the reinforcement plate 16, and at the same time, the second driven wheel 80 will use the rotational force to drive the other two pulleys 20 to rotate, so that the pulley 20 can use the rotational force to drive the synchronous belt 21 to rotate, and then the synchronous belt 21 uses the friction force to push the bed board 22 to translate along the rotation direction of the synchronous belt 21 under the drive and support of the pulley 20. The staff can control the translation direction and translation stroke of the bed board 22 by controlling the rotation direction and rotation angle of the servo motor 17. The larger the rotation angle of the servo motor 17, the longer the translation stroke of the bed board 22, and when the long shaft 18 rotates, it will drive the synchronous wheel 82 to rotate together, so that the synchronous wheel 82 can drive the belt 83 to rotate under the action of external force, and then the two long shafts 18 can rotate synchronously.

[0025] Specifically, sleeves 58 are fixed to both ends of the bed frame 14; A locking groove 59 is formed through the sleeve 58 on a side away from the window frame; A guide rod 60 is provided to move through one end of the sleeve 58; A locking rod 61 is fixed to the outer side of the guide rod 60 and moves through the locking groove 59; The second retaining ring 62 is fixedly mounted on the outer side of the guide rod 60; A counterweight block 64 is fixed to the end of the guide rod 60 away from the sleeve 58, and the positions of the two counterweight blocks 64 are opposite; The spring 63 is sleeved between the second retaining ring 62 and the counterweight 64 and is located on the inner side of the sleeve 58 .

[0026] In the actual application of this embodiment: the sleeve 58 and the second retaining ring 62 can provide a resisting effect for the spring 63. When the servo motor 17 rotates counterclockwise, the staff needs to push the locking rod 61 located on the bed frame 14 close to the leg support plate 48 to move along the locking groove 59 under the support of the sleeve 58, so that the locking groove 59 is resisted and positioned by the locking rod 61 and the sleeve 58. At the same time, the locking rod 61 will use external force to push the guide rod 60 to move in the direction close to the counterweight block 64, and the guide rod 60 will use external force to push the second retaining ring 62, The spring 63 and the counterweight 64 move together, and the guide rod 60 pushes the spring 63 through the second retaining ring 62, so that the spring 63 is squeezed and contracted under the action of external force and the resistance of the sleeve 58. At this time, the counterweight 64 moves away from the sleeve 58 in the opposite direction of the bed board 22, thereby providing reverse counterweight when the bed board 22 is moved to transport the patient. When the servo motor 17 rotates clockwise, it is necessary to push the locking rod 61 located on the bed frame 14 near the back plate 27, so that the configuration block set at one end of the guide rod 60 connected to it provides reverse counterweight.

[0027] As a preferred embodiment of the present invention, the power member includes: A bracket 28 is fixed to a side of the reinforcing plate 16 away from the bed plate 22; An electric rod 29, one end of which is rotatably connected to the bracket 28; A V-link 31, one end of which is rotatably connected to the other end of the electric rod 29; The support plate 32 is fixed to the inner side of the fixed plate 65; The swivel post 33 penetrates through the V-link 31 and is fixedly connected thereto, and is rotatably connected to the support plate 32 .

[0028] Specifically, the inner side of the V-link 31 is reinforced and connected with a second fixing rod 36, and the second fixing rod 36 can make the V-link 31 more secure. A hinge 26 is fixed to the side of the bed board 22 away from the bed frame 14, and the movable end of the hinge 26 is fixedly connected to the end of the back plate 27 away from the first support plate 23. A connecting plate 30 is fixed to the end of the V-link 31 close to the electric rod 29, and the connecting plate 30 is rotatably connected to the telescopic end of the electric rod 29. The reinforcement plate 16 can provide stable support for the bracket 28, and the bracket 28 can provide rotational support for the electric rod 29, and the electric rod 29 can provide rotational support for the connecting plate 30. The connecting plate 30 can provide support for the V-link 31. The bed frame 14 and the reinforcement rod can cooperate to provide stable support for the support plate 32, and the support plate 32 can provide rotational support for the swivel column 33, and the swivel column 33 can stably support the V-link 31.

[0029] The executive parts include: There are two wheel frames 34, and the two wheel frames 34 are fixed to the two ends of the V-link 31 away from the electric rod 29; A pulley 35 is rotatably connected to the inner side of the wheel frame 34; A movable groove 25 is formed through the bed plate 22; One end of the back plate 27 is rotatably connected to the bed plate 22 and is located above the bed plate 22 and above the pulley 35 .

[0030] In actual application of this embodiment, the V-link 31 can provide stable support for the wheel frame 34, the wheel frame 34 can provide rotational support for the pulley 35, the pulley 35 can contact the back plate 27 under the action of external force and use the external force to push the back plate 27, and at the same time roll along the back plate 27 using the external force and friction force, the bed board 22 can provide an opening space for the movable groove 25, the movable groove 25 can provide a through channel for the pulley 35, the roller and the V-link 31, and the movable groove 25 can provide a rotation space and a through channel for the seat board 38.

[0031] The staff can control the extension of the electric rod 29 under the support of the bracket 28 according to the actual needs, so that the electric rod 29 uses the telescopic end to push the connecting plate 30 and the V-link 31, and at the same time, the fixed end of the electric rod 29 will rotate clockwise under the action of external force and the support of the bracket 28, and at the same time, the connecting plate 30 will use the external force to rotate counterclockwise under the support of the telescopic end of the electric rod 29, and the connecting plate 30 will transmit the external force to the V-link 31, so that the V-link 31 drives the swivel column 33 on the support plate 32 under the support of the support plate 32 and the reinforcement of the second fixing rod 36. 32, and during the rotation process, the pulley 35 is pushed to move together through the wheel frame 34, so that the pulley 35 passes through the movable groove 25 and contacts the side of the back plate 27 close to the bed frame 1, and during the rotation process of the V-link 31, the pulley 35 is used to push the back plate 27 to rotate counterclockwise with the hinge 26 as the center under the support of the bed plate 22. At the same time, the pulley 35 will roll clockwise under the support of the wheel frame 34, thereby adjusting the inclination angle of the back plate 27, so that the back plate 27 supports the patient's back, adjusts the patient's body, and has a large adjustment stroke.

[0032] As a preferred embodiment of the present invention, the support member includes: Around the column 37, through the bed plate 22, rotatably connected, and located on the inner side of the movable groove 25; The seat plate 38 is fixedly mounted on the outer side of the winding column 37, located on the inner side of the movable groove 25, and above the electric rod 29; The slideway 39 is fixed on a side of the seat plate 38 close to the electric rod 29; The guide part is arranged in the slideway 39 and is used for transmission and guidance.

[0033] Specifically, the bed board 22 can provide rotational support for the column 37, and the movable groove 25 can provide rotational space for the column 37. The column 37 can firmly support the seat board 38, the seat board 38 can provide stable support for the slide 39, and the slide 39 can provide movement guiding function for the slider 41.

[0034] Guide parts include: A guide groove 40 is formed through the slideway 39 and is located away from the seat plate 38; A slider 41 is movably placed inside the slideway 39 and above the guide groove 40; The through frame 42 is fixed to a side of the slider 41 close to the guide groove 40 and penetrates the guide groove 40 .

[0035] Specifically, the slideway 39 can provide an opening space for the guide groove 40 , the slider 41 can provide support for the through-frame 42 , and the guide groove 40 can provide a through passage and moving space for the through-frame 42 .

[0036] The linkage includes: A rotary plate 43, one end of which is rotatably connected to the through-frame 42; A second rotating rod 44 is provided at the other end of the rotating plate 43; The second support ear 45 is rotatably mounted on the outer side of the second rotating rod 44 and is fixedly connected to the V-link 31 .

[0037] Specifically, the through frame 42 can provide rotational support for the rotary plate 43 , the rotary plate 43 can provide rotational support for the second rotary rod 44 , the V-link 31 can firmly support the second lug 45 , and the second lug 45 can firmly support the second rotary rod 44 .

[0038] In the actual application of this embodiment, when the electric rod 29 is extended to make the V-link 31 rotate counterclockwise with the rotating column 33 as the center, the V-link 31 will pull the second rotating rod 44 through the second ear 45 under the action of external force to rotate counterclockwise with the rotating column 33 as the center. At the same time, the second rotating rod 44 will pull the rotating plate 43 under the action of external force, and make one end of the rotating plate 43 rotate clockwise with the second rotating rod 44 as the center. At the same time, the other end of the rotating plate 43 will rotate clockwise under the action of external force and the support of the through frame 42. The swivel plate 43 will use external force to pull the slider 41 along the inner side of the guide groove 40 and the slideway 39 through the through frame 42 to move toward the direction close to the V-link 31. At the same time, the slider 41 will pull the seat plate 38 and the surrounding column 37 through the slideway 39 to rotate clockwise under the support of the bed plate 22, thereby tilting the seat plate 38 clockwise, allowing the patient's buttocks to sink, providing support and limiting effect for the patient's buttocks, preventing the patient's buttocks from slipping when the back plate 27 adjusts the support angle, and improving the adjustment support effect.

[0039] As a preferred embodiment of the present invention, the supporting mechanism includes a follower and a leg supporting member, and the follower includes: An adjusting part connected to one end of the winding column 37; A guide sleeve 54, arranged at an end of the adjusting part away from the winding column 37; The insert rod 55 is movable through the guide sleeve 54; The first retaining ring 56 is fixedly mounted on the outer side of the inserting rod 55 and is located in the direction where the guide sleeve 54 is close to the bed board 22 .

[0040] Adjustment parts include: A second support plate 50 is fixed to one end of the winding column 37; A telescopic rod 51, one end of which is fixedly connected to the second support plate 50; The bent rod 52 is fixed to the other end of the telescopic rod 51; The arc block 53 is fixed to one end of the bending rod 52 away from the telescopic rod 51 and is connected to the guide sleeve 54 .

[0041] Specifically, the winding column 37 can provide stable support for the second support plate 50, and the second support plate 50 can provide stable support for the telescopic rod 51, and can drive the telescopic rod 51 to rotate together with the winding column 37 under the drive of the winding column 37, the telescopic rod 51 can use the telescopic end to provide support for the bent rod 52, and the telescopic rod 51 can extend and shorten under the action of external force, the bent rod 52 can provide support for the arc block 53, so that the arc block 53 can stably support the guide sleeve 54, the guide sleeve 54 can provide a through channel and movement guide for the insertion rod 55, the insertion rod 55 can provide stable support for the first retaining ring 56, and the first retaining ring 56 can play a resisting role to prevent the insertion rod 55 from completely moving out of the guide sleeve 54.

[0042] Leg supports include: The retractable parts are arranged on the bed board 22; The leg support plates 48 are three in number and are evenly distributed in the retractable parts; A sleeve rod 49 is fixed to one end of the leg support plate 48 and passes through the retractable parts; A plug hole is formed inside the sleeve rod 49 and corresponds to the position of the plug rod 55 .

[0043] Retractable parts include: There are three storage slots 46 , which are evenly arranged on a side of the bed board 22 away from the bed frame 14 ; There are three arc grooves 47, which are evenly arranged on the bed plate 22 and communicate with the storage groove 46; The arc groove 47 passes through a side of the bed board 22 away from the bed frame 14 and a side of the bed board 22 close to the telescopic rod 51 .

[0044] Specifically, a handle 57 is fixed to one end of the insertion rod 55 away from the sleeve rod 49. The bed board 22 can provide an opening space for the storage groove 46. The storage groove 46 can provide a placement and movement space for the leg support plate 48. The leg support plate 48 has a certain elasticity and support and can fit in the patient's leg socket to provide support for the legs, and can firmly support the sleeve rod 49. The sleeve rod 49 can provide an opening space for the socket, and the socket can provide an insertion channel for the insertion rod 55. The arc groove 47 can provide a through channel and moving space for the sleeve rod 49.

[0045] In actual application of this embodiment, after the patient lies on the bed board 22 and the back board 27, the staff can hold the handle 57 and pull the insertion rod 55 in the direction of the telescopic rod 51 away from the second support plate 50, so that the insertion rod 55 pushes the guide sleeve 54 under the action of external force, and the guide sleeve 54 uses the external force to pull the telescopic end of the telescopic rod 51 to extend through the arc block 53 and the bent rod 52, and then adjust the position of the insertion rod 55, so that the insertion rod 55 moves to the sleeve rod 49 connected to the leg support plate 48 at the position corresponding to the patient's leg pit, and then push the handle 57 to move in the direction close to the bed board 22 as needed, so that the handle 57 pushes the insertion rod 55 to penetrate and move along the guide sleeve 54 toward the leg support plate 48, and then the insertion rod 55 drives the first baffle ring 56 to insert into the inner side of the socket, so that the insertion rod 55 and the first baffle ring 56 are connected to the sleeve rod 49.

[0046] When the seat plate 38 rotates clockwise, the column 37 will drive the telescopic rod 51 to rotate clockwise through the second support plate 50 under the action of external force, so that the telescopic rod 51 uses the external force to pull the arc block 53 and the guide sleeve 54 through the bent rod 52 to rotate clockwise along with the column 37, and then the sleeve 58 drives the insertion rod 55 and the handle 57 to rotate together, so that the insertion rod 55 can rotate the leg support plate 48 corresponding to the patient's leg pit from the inner side of the storage groove 46 through the sleeve rod 49, and use the rotational force to fit with the patient's leg pit, and gradually lift the patient's legs during the rotation process, provide support for the patient's legs, and promote blood circulation in the patient's legs.

[0047] For patients with heart failure, lying flat may cause dyspnea or worsen symptoms. Adjusting the backrest angle can help reduce the burden on the heart and improve breathing, while leg support can promote blood circulation and reduce venous pressure. For patients with chronic obstructive pulmonary disease, sitting or semi-sitting can improve respiratory function and relieve dyspnea. Leg support can help reduce lower limb edema and improve blood circulation. For patients with severe stroke, the headrest angle needs to be adjusted to reduce pressure damage and promote comfort. At the same time, leg support can help prevent lower limb ulcers and promote blood circulation. For patients after abdominal surgery, adjusting the backrest angle can help reduce abdominal pressure and relieve postoperative discomfort, and leg support can help reduce the risk of thrombosis.

[0048] As a preferred embodiment of the present invention, the protection part includes a blocking member and a pulling member, the blocking member is rotatably connected to the bed frame 14, and the pulling member is connected to the blocking member and the power member, so that the power member pulls the blocking member through the pulling member to unfold the protection.

[0049] Specifically, the blocking member includes: The fixing plate 65 is symmetrically fixed to the outside of the bed frame 14; A cross bar 66 is installed through the interior of the fixing plate 65; The collar 67 is rotatably mounted on the outer side of the cross bar 66; Railing 68, fixed on the outside of the collar 67; The stretching piece comprises: A steel wire rope 69, one end of which is fixedly connected to the railing 68; There are two guide plates 70, which are fixed to a side of the support plate 32 close to the bed frame 14 and are located between the long axis 18 and the support plate 32; The T-plate 71 is mounted on the inner side of the guide plate 70, and one end of the T-plate 71 passes through a side of the guide plate 70 close to the rotating column 33; The shift plate 72 is fixed on a side of the T plate 71 close to the rotating column 33; A semicircular plate 73 is fixed to a side of the shift plate 72 close to the bed plate 22; The ball stopper 74 is placed between the semicircular plate 73 and the shifting plate 72, and the other end of the steel wire rope 69 movably passes through the bed frame 14 and the semicircular plate 73 and is connected to the ball stopper 74; There are multiple racks 75, and the multiple racks 75 are evenly distributed and fixed on one side of the shift plate 72 close to the rotating column 33; The gear 76 is fixedly mounted on the outer side of the rotating column 33 and meshes with the rack 75; In actual application of this embodiment, the fixed plate 65 can firmly support the cross bar 66 under the support of the bed frame 14, the cross bar 66 can provide rotational support for the ring 67, the ring 67 can provide support for the railing 68, the railing 68 can play a protective role, the guide plate 70 can provide a mobile guiding role for the T-plate 71 under the support of the support plate 32, the T-plate 71 can provide support for the movable plate 72, so that the movable plate 72 firmly supports the semicircular plate 73 and the rack 75, the ball block 74 can cooperate with the semicircular plate 73 to play a resisting role, and provide support for the wire rope 69, so that the T-plate 71 can pull the wire rope 69 through the ball block 74 and the semicircular plate 73 under the action of external force, so that the wire rope 69 can pull the railing 68.

[0050] When the V-link 31 drives the swivel column 33 to rotate clockwise under the support of the support plate 32, the swivel column 33 will use the rotational power to drive the gear 76 to rotate together, so that the gear 76 uses the rotational power and meshing action to push the shift plate 72 downward through the rack 75, so that the shift plate 72 drives the T plate 71 to move downward along the guide plate 70 under the action of external force, and then the shift plate 72 can pull the semicircular plate 73 downward under the action of external force, so that the semicircular plate 73 73 pulls one end of the wire rope 69 away from the railing 68 downward through the blocking ball 74, so that the wire rope 69 passes through the bed frame 14 under the action of external force, and pulls the railing 68 under the resistance support of the bed frame 14, so that the railing 68 drives the ring 67 to rotate 180 degrees with the cross bar 66 as the center under the action of external force, and then unfolds the railing 68, so that the railing 68 is protected on the outside of the bed board 22, providing protection for the patient on the bed board 22.

[0051] Working principle: The servo motor 17 drives the long shaft 18 to rotate, and the long shaft 18 is connected to the synchronous belt 21 through the pulley 20. When the servo motor 17 is running, the rotation of the long shaft 18 drives the pulley 20 to rotate, thereby pushing the bed board 22 to translate along the direction of the synchronous belt 21. By controlling the rotation direction and angle of the servo motor 17, the translation direction and distance of the bed board 22 can be accurately controlled, thereby realizing the two-way large stroke adjustment of the bed board 22.

[0052] When the electric rod 29 is extended, the V-link 31 will drive the back panel 27 to rotate around the hinge 26 with the support of the swivel column 33, thereby adjusting the inclination angle of the back panel 27, so that the back panel 27 can effectively support the patient's back and adjust the patient's body position. The hip support limit mechanism drives the seat panel 38 to rotate around the column 37 through the movement of the V-link 31. When the V-link 31 rotates, the connected second swivel rod 44 drives the swivel plate 43 to rotate, and then tilts the seat panel 38 through the slide 39 and the guide groove 40, so that the seat panel 38 can provide support for the patient's buttocks and prevent the patient's buttocks from sliding during the adjustment process of the back panel 27.

[0053] When the seat plate 38 rotates clockwise, the column 37 in the follower drives the telescopic rod 51 to rotate, and then pushes the guide sleeve 54 through the bent rod 52, arc block 53 and other structures, driving the insertion rod 55 to move. The insertion rod 55 is connected to the leg support plate 48 at the patient's leg pit position. The leg support plate 48 is rotated out of the storage groove 46 to gradually lift the patient's legs, provide support for them and promote blood circulation. The bed base 1 is connected to the bed frame 14 by a connecting rod and a rotating rod to ensure that the bed frame 14 remains stable during the adjustment process.

[0054] The height of the bed frame 14 can be adjusted by controlling the movement of the upper connecting plate 9 through the electric push rod 12. The design of the entire system can effectively prevent the patient from slipping while ensuring the patient's comfort when adjusting the bed board 22, back board 27, seat board 38 and leg support board 48. When the bed board 22 moves, the counterweight block 64 will produce a corresponding reverse counterweight effect through the guide rod 60 and spring 63 system according to the running direction of the motor to maintain the balance of the movement of the bed board 22, thereby ensuring the stability and safety of the bed board 22.

[0055] The above is a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A two-way large-stroke adjustable medical transfer bed, comprising: A movable groove (25), an electric rod (29), a bed base (1) and a bed frame (14) arranged above, wherein a plurality of reinforcing plates (16) are fixed inside the bed frame (14), a servo motor (17) is fixed inside one of the reinforcing plates (16), two long shafts (18) are rotatably connected inside the plurality of reinforcing plates (16), four pulleys (20) are symmetrically arranged inside the bed frame (14), and a synchronous belt (21) is sleeved on the outer side of the pulleys (20). The driving end of the servo motor (17) is connected to two first driving wheels (77), the outer side of the long shaft (18) is sleeved with a first driven wheel (19), the outer sides of the first driving wheel (77) and the adjacent first driven wheel (19) are sleeved with a first driving belt (78), the outer sides of the two long shafts (18) are sleeved with a synchronous wheel (82), a bed board (22) is placed above the bed frame (14), and the bed board (22) is in contact with the synchronous belt (21), and the device is characterized in that it also includes: An adjustment mechanism, arranged on the reinforcement plate (16) and located inside the bed frame (14), for adjusting the patient's back support angle; A hip support and limit mechanism is rotatably arranged to penetrate the bed board (22) and is rotatably connected to the adjustment mechanism so as to adjust the hip support and limit position of the hip support and limit mechanism during adjustment; The hip support mechanism includes a linkage member and a support member, one end of the linkage member is connected to the power member, and the other end is connected to the support member, the support member is located on one side of the actuator, and the support member includes: Around the column (37), passing through the bed plate (22) for rotational connection, and located on the inner side of the movable groove (25); A seat plate (38) is fixedly mounted on the outer side of the winding column (37), located on the inner side of the movable groove (25), and above the electric rod (29); A slideway (39) is fixed to a side of the seat plate (38) close to the electric rod (29); A guide part, arranged in the slideway (39) and used for transmission and guidance; A supporting mechanism, movably placed in the bed board (22) and connected to the hip support and limiting mechanism; A protection part, symmetrically arranged on the outside of the bed frame (14) and connected to the adjustment mechanism; The adjustment mechanism comprises a power member and an actuator, the power member is connected to a side of the reinforcement plate (16) away from the bed board (22), the power member is connected to the actuator, and the actuator passes through the bed board (22); The protection part comprises a blocking member and a pulling member, the blocking member is rotatably connected to the bed frame (14), and the pulling member is connected to the blocking member and the power member.

2. The two-way large-stroke adjustable medical transfer bed according to claim 1 is characterized in that: The power member comprises: A bracket (28) is fixed to a side of the reinforcement plate (16) away from the bed plate (22); An electric rod (29), one end of which is rotatably connected to the bracket (28); A V-connecting rod (31), one end of which is rotatably connected to the other end of the electric rod (29); A support plate (32) fixed on the inner side of the fixing plate (65); The swivel column (33) passes through the V-connecting rod (31) and is fixedly connected thereto, and is rotatably connected to the support plate (32).

3. The bidirectional large-stroke adjustable medical transfer bed according to claim 2 is characterized in that: The executive parts include: There are two wheel frames (34), and the two wheel frames (34) are fixed at two ends of the V-link (31) away from the electric rod (29); A pulley (35) rotatably connected to the inner side of the wheel frame (34); A movable groove (25) is formed through the bed plate (22); The back plate (27) has one end rotatably connected to the bed plate (22), is located above the bed plate (22), and is located above the pulley (35).

4. The two-way large-stroke adjustable medical transfer bed according to claim 3 is characterized in that: The guide part comprises: A guide groove (40) is formed through the slideway (39) and is located away from the seat plate (38); A slider (41) is movably placed on the inner side of the slideway (39) and located above the guide groove (40); The through-frame (42) is fixed to a side of the slide block (41) close to the guide groove (40) and is arranged to penetrate the guide groove (40).

5. The two-way large-stroke adjustable medical transfer bed according to claim 4 is characterized in that: The linkage comprises: A rotary plate (43), one end of which is rotatably connected to the through-frame (42); A second rotating rod (44) is provided at the other end of the rotating plate (43); The second support ear (45) is rotatably mounted on the outer side of the second rotating rod (44) and is fixedly connected to the V-connecting rod (31).

6. The two-way large-stroke adjustable medical transfer bed according to claim 5, characterized in that: The supporting mechanism comprises a follower and a leg supporting member, and the follower comprises: An adjusting part connected to one end of the winding column (37); A guide sleeve (54) is arranged at an end of the adjusting part away from the winding column (37); An insert rod (55) is movably arranged to penetrate the guide sleeve (54); The first retaining ring (56) is fixedly mounted on the outside of the insertion rod (55) and is located in a direction of the guide sleeve (54) close to the bed board (22).

7. The two-way large-stroke adjustable medical transfer bed according to claim 6, characterized in that: The adjusting parts include: A second support plate (50) fixed to one end of the winding column (37); A telescopic rod (51), one end of which is fixedly connected to the second supporting plate (50); A bent rod (52) fixed to the other end of the telescopic rod (51); The arc block (53) is fixed to one end of the bent rod (52) away from the telescopic rod (51) and is connected to the guide sleeve (54).

8. The two-way large-stroke adjustable medical transfer bed according to claim 7, characterized in that: The leg support member comprises: The retractable parts are arranged on the bed board (22); There are three leg support plates (48) evenly distributed in the retractable parts; A sleeve rod (49) is fixed to one end of the leg support plate (48) and penetrates the retractable parts; The sleeve rod (49) has a socket formed therein, and the socket corresponds to the position of the insertion rod (55).

9. The two-way large-stroke adjustable medical transfer bed according to claim 8, characterized in that: The retractable parts include: There are three storage slots (46) evenly spaced on a side of the bed board (22) away from the bed frame (14); There are three arc grooves (47) evenly arranged on the bed plate (22) and connected to the storage groove (46); The arc groove (47) passes through a side of the bed board (22) away from the bed frame (14) and a side of the bed board (22) close to the telescopic rod (51).

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