SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an electronic bedstead of wave track is provided, it can realize the rise or the fall flat of one or more function position with a actuating mechanism.
In order to solve the technical problem, the utility model discloses a following technical scheme: the electric bedstead with the wave track comprises a base, a back plate assembly, a waist plate assembly, a hip plate assembly, a thigh plate assembly and a shank plate assembly, and further comprises a back-leg linkage frame and a driving mechanism, wherein one end, close to the waist plate assembly, of the back plate assembly is hinged to the base, one end, far away from the back plate assembly, of the waist plate assembly is hinged to the hip plate assembly, one end of the shank plate assembly is hinged to the base, the other end of the shank plate assembly is hinged to the shank plate assembly, a shank supporting member in sliding connection with the base is arranged below the shank plate assembly, the back-leg linkage frame is in sliding connection with the base, the back-leg linkage frame is provided with a back lifting slope member, a waist lifting slope member and a thigh lifting slope member along the length direction, and back supporting members, waist plate assemblies and shank plate assemblies are correspondingly arranged below the back plate, A lumbar support member and a thigh support member, one or more of the back plate assembly, lumbar plate assembly and thigh plate assembly rising or falling when the drive mechanism drives the back-leg linkage toward or away from the head of the bed.
Furthermore, the base is provided with a body, horizontal support rods are respectively arranged on two sides of the body in the width direction, the horizontal support rods are supported on the body through longitudinal support rods, and the back plate assembly and the thigh plate assembly are respectively hinged to two ends of each horizontal support rod.
Further, the back support member is in rolling contact with the back-lift ramp member, the lumbar support member is in rolling contact with the lumbar lift ramp member, and the thigh support member is in rolling contact with the thigh lift ramp member.
Further, back lift slope spare has by keeping away from head of a bed one end is to being close to head of a bed one end tilt up's back slope gradually, back support spare includes first back bracing piece and second back bracing piece, the one end of first back bracing piece articulate in the below of back board subassembly, the other end with second back bracing piece is articulated, first back bracing piece with second back bracing piece is connected with the back gyro wheel in articulated position, the back gyro wheel can at least along the back slope rolls, the other end of second back bracing piece with the base is articulated.
Further, waist lift slope piece has by keeping away from head of a bed one end is to being close to head of a bed one end gradually tilt up's waist slope, waist support piece includes waist supporting rod, waist gyro wheel is connected to the bottom of waist supporting rod, waist gyro wheel can at least along the waist slope rolls.
Further, the thigh lifting slope part is provided with a first slope and a second slope, wherein the first slope is gradually inclined upwards from the end far away from the bed head to the end close to the bed head, the second slope is opposite to the first slope, the first slope and the second slope are connected through an intermediate connecting section, the thigh supporting part comprises a thigh supporting rod, a thigh roller is connected to the bottom of the thigh supporting rod, and the thigh roller can roll at least along the first slope and the second slope.
Furthermore, the shank support piece comprises a shank support rod, the bottom of the shank support rod is connected with a shank roller, and the shank roller can roll in the base.
Further, the driving mechanism is a push rod motor, and the push rod motor is connected between the base and the back leg linkage frame.
Furthermore, back and leg link gear includes two parallel arrangement's limit pipe, be provided with between the limit pipe and violently manage, the push rod motor is connected violently manage with between the head of a bed of base.
Further, the lateral part of back of the body leg linkage frame is provided with the pulley, the inboard of base is provided with the slide rail, the pulley can slide in the slide rail.
Compared with the prior art, the beneficial effects of the utility model reside in that: through the slope piece that three back of the body legs correspond that sets up on the back of the body leg linkage frame, combine the removal of back of the body leg linkage frame for back, waist or shank can be independent or the concerted action. The structure converts horizontal transverse displacement into up-and-down lifting displacement of the bed panel, and creates the function of a mechanical structure of realizing the main functions of three motors in the prior art by one driving mechanism.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific examples, which should not be construed as limiting the invention.
Referring to fig. 1 to 5, the wave track electric bedstead according to the present invention includes a base 1, a back plate assembly 2, a waist plate assembly 3, a hip plate assembly 4, a thigh plate assembly 5, and a calf plate assembly 6, and further includes a back-leg linkage frame 7 and a driving mechanism.
As shown in the drawing, in the present embodiment, one end of the back plate assembly 2 near the waist plate assembly 3 is hinged to the base 1, and the other end is a free end, which can rotate around the aforementioned one end. The end of the lumbar plate assembly 3 remote from the back plate assembly 2 is hinged to the hip plate assembly 4, and the other end of the lumbar plate assembly 3 is also a free end, which can rotate around the aforementioned one end. One end of the thigh plate component 5 is hinged with the base 1, the other end of the thigh plate component is hinged with the lower leg plate component 6, a lower leg support part 601 which is connected with the base 1 in a sliding mode is arranged below the lower leg plate component 6, and the thigh plate component 5 can drive the lower leg plate component 6 to move. Specifically, the base 1 has a body, two sides of the body along the width direction are respectively provided with a horizontal support rod 101, the horizontal support rods 101 are supported on the body through a longitudinal support rod 102, and the back plate assembly 2 and the upper leg plate assembly 5 are respectively hinged at two ends of the horizontal support rods 101. The hip plate assembly 4, which can be fixed to the chassis 1 here, does not move.
As shown in fig. 5, the back leg linkage frame 7 is slidably connected to the base 1, for example, the side of the back leg linkage frame 7 is provided with a pulley 11, the inner side of the base 1 is provided with a slide rail, and the pulley 11 can slide in the slide rail, so that the back leg linkage frame 7 is slidably connected with the base 1.
In this embodiment, the back support member 201 is in rolling contact with the back lifting ramp member 79, the lumbar support member 301 is in rolling contact with the lumbar lifting ramp member 78, and the thigh support member 501 is in rolling contact with the thigh lifting ramp member 76, i.e., when the back-leg linkage 7 moves, the back support member 201 can roll along the back lifting ramp member 79, the lumbar support member 301 can roll along the lumbar lifting ramp member 78, and the thigh support member 501 can roll along the thigh lifting ramp member 76, as will be described in detail below.
Referring to fig. 6 and 7, the back-leg linkage frame 7 is provided with a back lifting slope member 79, a waist lifting slope member 78 and a thigh lifting slope member 76 along the length direction, and the slope members constitute driving means for lifting and lowering the back plate assembly 2, the waist plate assembly 3 and the thigh plate assembly 5, so that the assemblies perform lifting and lowering to the horizontal.
Referring to fig. 8-10, and in conjunction with fig. 5, a back support member 201, a lumbar support member 301 and a thigh support member 501 are disposed below the back plate assembly 2, the lumbar plate assembly 3 and the thigh plate assembly 5, respectively, and when the driving mechanism drives the back leg link 7 to move toward or away from the head of the bed, the back support member 201 can roll along the back lift ramp 79 to ascend or descend a slope; the lumbar support 301 can roll along the lumbar lift ramp 78, either uphill or downhill; the thigh support 501 is able to roll along the thigh lift ramp 76, either uphill or downhill, which will cause one or more of the back plate assembly 2, the lumbar plate assembly 3 and the thigh plate assembly 5 to rise or fall.
As shown in fig. 5, 6 and 7, in this embodiment, the driving mechanism is a push rod motor 12, and the push rod motor 12 is connected between the base 1 and the back-leg linkage frame 7. The back-leg linkage frame 7 comprises two parallel side pipes 71, a transverse pipe 72 is arranged between the side pipes 71, and a reinforcing pipe 73 is arranged between the transverse pipe 72 and one end of the back-leg linkage frame 7. A fixed shaft 74 is provided at a side of the side pipe 71 to mount the pulley 11.
The push rod motor 12 is connected between the horizontal tube 72 and the bed head of the base 1, specifically, the horizontal tube 72 and one side of the bed head of the base 1 are both provided with a U-shaped fixing frame 75, and both ends of the push rod motor 12 are respectively connected with each U-shaped fixing frame 75.
The back lift ramp 79 has a back ramp that slopes gradually upward from the end away from the head of the bed to the end near the head of the bed, and a back stiffener 710 is disposed below the back ramp. Back support 201 includes first back bracing piece 8 and second back bracing piece 9, and the one end of first back bracing piece 8 articulates in the below of back board subassembly 2, and the other end is articulated with second back bracing piece 9, and first back bracing piece 8 is connected with back gyro wheel 10 with second back bracing piece 9 in articulated position, and back gyro wheel 10 can roll along the back slope at least, and the other end of second back bracing piece 9 is articulated with base 1.
The waist lifting slope member 78 has a waist slope gradually inclined upward from the end away from the head of the bed to the end close to the head of the bed, and a waist reinforcing rib 77 is provided below the waist slope. Referring to fig. 8, the lumbar support member 301 is fixed to the lumbar plate assembly 3 by a lumbar hinge 302, and the lumbar support member 301 includes a lumbar support rod, the bottom of which is connected to a lumbar roller, and the lumbar roller can roll at least along a lumbar slope.
The thigh lift slope member 76 has a first slope 761 which is inclined upward gradually from the end away from the head to the end close to the head, and a second slope 762 which is opposite to the first slope 761 and has an opposite inclination direction, the first slope 761 and the second slope 762 are connected by an intermediate connection section 763, as shown in fig. 9, the thigh support member 501 is fixed to the thigh plate assembly 5 by a thigh hinge 502, the thigh support member 501 includes a thigh support rod, a thigh roller is connected to the bottom of the thigh support rod, and the thigh roller can roll at least along the first slope 761 and the second slope 762.
Referring to FIG. 10, the calf support 601 is fixed to the calf plate assembly 6 by a calf hinge 602, the calf support 601 comprises a calf support bar, the bottom of the calf support bar is connected with calf rollers, and the calf rollers can roll in the base 1.
The working principle and the operation mode of the embodiment are as follows:
as shown in fig. 2, the thigh panel assembly 5 is raised alone. When the electric bed frame is in a horizontal initial state, the push rod 13 of the push rod motor 12 is in a middle position, when the stroke of the push rod motor 12 is reduced by 65mm and pulled back to a shortest dimension, the back leg linkage frame 7 moves horizontally towards the direction of the bed head, and the thigh roller of the thigh supporting piece 501 rolls in the rising track of the thigh lifting slope piece 76 to lift and tilt through the rolling fit of the thigh lifting slope piece 76 arranged on the back leg linkage frame 7 and the thigh supporting piece 501. The thigh lifting slope piece 76 is designed into a shape of an inclined plane and an arc surface track, and is matched with the roller to move, so that the friction is reduced like a cam lifting mechanism, and the movement is smoother and more efficient. When the push rod motor 12 is pushed forward by 65mm, the back leg linkage frame 7 moves horizontally towards the direction of the bed tail, and the thigh rollers of the thigh support 501 slide downwards from the highest part of the slope of the thigh lifting slope 76 to the horizontal rail, so that the independent horizontal reset of the thigh plate assembly 5 is carried out.
As shown in fig. 3, the lumbar plate assembly 3 is solely raised. The push rod motor 12 pushes out 83mm forwards, the back leg linkage frame 7 moves horizontally towards the direction of the bed tail, at this time, the thigh supporting piece 501 of the thigh plate assembly 5 is located at the horizontal track stroke position of the thigh lifting slope piece 76, the back plate assembly 2 and the supporting mechanism consisting of the first back supporting rod 8, the second back supporting rod 9 and the back roller 10 are also located at the horizontal track stroke position, the waist roller of the waist plate assembly 3 starts to enter the upper slope track of the waist lifting slope piece 78 until the waist plate assembly 3 is pushed to the highest position, namely, the waist supporting piece 301 of the waist plate assembly 3 enters the upper side horizontal track of the waist lifting slope piece 78.
As shown in fig. 4, when the back-up leg is started, after the waist plate assembly 3 is lifted up alone, the push rod motor 12 continues to push out 120mm to the longest position of the motor, and the back-leg linkage frame 7 continues to move toward the end of the bed, at this time, the thigh supporting member 501 of the thigh plate assembly 5 enters the right slope lifting rail of the thigh lifting slope 76, and the thigh plate assembly 5 is lifted and tilted continuously. The lumbar support member 301 of the lumbar plate assembly 3 is always in the upper right horizontal track of the lumbar lift ramp 78 and the lumbar plate assembly 3 is always in a jacked-up condition. The back plate assembly 2 and the back support member 201 are slowly supported and jacked up by the slope of the back elevating slope member 79.
Furthermore, the utility model discloses other embodiments also can be adopted, through the setting of stroke, slope direction etc. obtain different lift combinations.
The utility model discloses an electronic bedstead of wave track can be through the slope piece that the three back of the body waist leg that sets up on the back of the body leg linkage frame 7 corresponds to and the cooperation of the horizontal idle stroke position of appropriate benefit makes the leg play and the waist play can independent action, and more cooperation legs play the waist when the back of the body plays and make the user lie the appearance more comfortable simple and convenient, has opened up the mechanical structure mode method that a motor realized three motor main functions.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.