Lumbar vertebra relieving auxiliary chair-bed converter

Abstract

The utility model relates to the technical field of lumbar vertebra relieving instruments, and discloses a lumbar vertebra relieving auxiliary chair-bed converter which comprises a chair-bed body, a seat cushion is arranged on the chair-bed body, a leg cushion and a back cushion are respectively hinged to the chair-bed body, three bottom grooves are formed in the inner wall of the bottom side of the chair-bed body, and the bottom grooves are communicated with the chair-bed body. The leg cushion is driven to be unfolded forwards under the matching action of the folding and unfolding adjusting driving mechanism, the first hinge mechanism and the second hinge mechanism, the legs of a lumbar vertebra patient can be conveniently supported through the leg cushion, the leg cushion can be folded and unfolded, the leg cushion can be folded and unfolded, and the lumbar vertebra patient can be conveniently and rapidly supported through the leg cushion. Meanwhile, the back cushion is driven to be unfolded backwards, so that the unfolding angle of the back cushion can be adjusted, the chair bed is convenient to adapt to different applicable angles after the lumbar vertebra patient lies down, the back cushion, the seat cushion and the leg cushion on the chair bed body can be unfolded and spliced into a single bed, the chair bed has the soothing and combining functions of a seat and a bed, and the comfort of the lumbar vertebra patient during use is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lumbar vertebrae relaxation instrument technical field, especially lumbar vertebrae relaxation auxiliary chair bed converter. BACKGROUND

[0002] Lumbar vertebrae rehabilitation generally refers to lumbar intervertebral disc herniation rehabilitation, and the lumbar intervertebral disc herniation refers to the intervertebral disc degeneration, annulus fibrosus rupture, sacral nucleus tissue protrusion stimulates and compresses nerve root and causes a kind of syndrome, mainly shows lumbar pain, sciatica, simultaneously can be accompanied by limited lumbar activity, the change of sensation, movement and reflex of affected nerve root innervation area;During the lumbar vertebrae rehabilitation stage, lumbar vertebrae rehabilitation auxiliary chair needs to be used.

[0003] Prior art lumbar cervical vertebrae rehabilitation chair (its authorized announcement number is: CN213076411U), the lumbar cervical vertebrae rehabilitation chair is inconvenient for adjusting the angle of the back cushion after the lumbar vertebrae patient sits down, so that the applicable range of the lumbar vertebrae patient is limited when backrest, and simultaneously, the leg of the lumbar vertebrae patient is suspended when using the rehabilitation chair, so that the comfort is poor;Therefore, we propose the utility model to solve the above problems. UTILITY MODEL CONTENT

[0004] In view of the deficiency of prior art, the utility model provides lumbar vertebrae relaxation auxiliary chair bed converter for solving the above problems.

[0005] In order to realize the above purpose, the utility model adopts the following technical scheme:

[0006] Lumbar vertebrae relaxation auxiliary chair bed converter, including chair bed body, the chair bed body is provided with seat cushion, the chair bed body is respectively hingedly installed with leg pad and back cushion, the bottom side inner wall of the chair bed body is provided with three bottom grooves, the same bottom frame is movably installed in three bottom grooves, the first hinged mechanism is arranged between the bottom frame and leg pad, the chair bed body is provided with two top grooves and an installation groove, the same top frame is movably installed in two top grooves and installation groove, the second hinged mechanism is arranged between the top frame and back cushion, the chair bed body is provided with folding and unfolding drive mechanism for folding and unfolding adjustment of bottom frame and top frame, the top side of the chair bed body is respectively fixedly installed with two handrails, and the corresponding handrails are provided with switch keys, and the bottom side inner wall of the chair bed body is provided with controller.

[0007] Preferably, the first hinged mechanism includes first hinged seat and first hinged plate, one side of the leg pad is respectively fixedly installed with two first hinged seats, one end of the first hinged plate is hingedly installed on the two first hinged seats, and the other end of the two first hinged plates is hingedly installed on the bottom frame, under the hinged action of the two first hinged plates, the leg pad is driven to unfold forward, so that the leg of the lumbar vertebrae patient can be supported through the leg pad.

[0008] Preferably, the second hinge mechanism comprises a second hinge seat and a second hinge plate, the two side walls of the back cushion are fixedly provided with the second hinge seat, one end of the second hinge plate is hingedly provided on the two second hinge seats, and the other end of the two second hinge plates is hingedly provided on the top frame; under the hinging action of the two second hinge plates, the back cushion is unfolded rearward, and the unfolding angle of the back cushion can be adjusted.

[0009] Preferably, the folding and unfolding driving mechanism comprises a motor, a first threaded rod, a second threaded rod, a chain wheel and a chain, one side of the chair-bed body is fixedly provided with the motor, the output shaft of the motor is fixedly provided with the first threaded rod, one end of the first threaded rod is threadedly provided outside the bottom frame and fixedly provided with the chain wheel, one end of the second threaded rod is rotatably provided on the inner wall of one side of the mounting groove, the other end of the second threaded rod is threadedly provided outside the top frame and fixedly provided with the chain wheel, the same chain is meshingly provided between the two chain wheels, and the screw rotation directions of the first threaded rod and the second threaded rod are opposite; since the screw rotation directions of the first threaded rod and the second threaded rod are opposite, the bottom frame and the top frame can be synchronously driven to relatively move.

[0010] Preferably, the armrest frames are respectively provided with hinge openings and openings, the two second hinge plates are respectively rotatably attached to the hinge openings in the armrest frames, and the top frame is movably installed in the openings of the two armrest frames; the two second hinge plates can be deflected and adjusted.

[0011] Preferably, the inner walls of the top side and the bottom side of the chair-bed body are respectively provided with circular grooves, and the circular grooves have a diameter larger than the chain; the chain can be stably driven.

[0012] Preferably, the controller is electrically connected with the switch keys; when the lumbar patient presses the forward leaning key or the falling key on the adjustment switch key, an adjustment signal is transmitted to the controller, and the motor is started to operate through the controller.

[0013] Compared with the prior art, the lumbar relieving auxiliary chair-bed converter has the following beneficial effects:

[0014] When the lumbar patient sits on the seat cushion and the back cushion of the chair-bed body, the forward leaning key or the falling key on the adjustment switch key is pressed, the motor is started to operate through the controller, the leg cushion is unfolded forward under the cooperation of the folding and unfolding driving mechanism, the first hinge mechanism and the second hinge mechanism, the leg of the lumbar patient can be supported through the leg cushion, the back cushion is unfolded rearward, the unfolding angle of the back cushion can be adjusted, the back cushion, the seat cushion and the leg cushion on the chair-bed body can be unfolded and combined into a single bed type after the lumbar patient lies down, the chair and the bed are combined to have a relieving function, and the comfort of the lumbar patient during use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structure schematic view of the three-dimensional perspective of the utility model;

[0016] Figure 2 It is the structure schematic view of the plane section of the utility model;

[0017] Figure 3 It is the structure schematic view of the side surface partial section of the utility model;

[0018] Figure 4 It is the structure schematic view of the unfolding perspective of the utility model;

[0019] Figure 5 It is the structure schematic view of the explosion perspective of the utility model.

[0020] In the drawing: 1, chair bed body; 2, cushion; 3, leg pad; 4, back cushion; 5, bottom groove; 6, bottom frame; 7, first hinged seat; 8, first hinged plate; 9, top groove; 10, installation groove; 11, top frame; 12, first hinged seat; 13, second hinged plate; 14, motor; 15, first threaded rod; 16, second threaded rod; 17, chain wheel; 18, chain; 19, armrest frame; 20, switch key; 21, hinged interface; 22, opening; 23, round opening groove; 24, controller. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Embodiment: refer to Figures 1-5 , lumbar vertebrae relief auxiliary chair bed converter, including chair bed body 1, be provided with cushion 2 on chair bed body 1, chair bed body 1 is respectively hinged and installed with leg pad 3 and back cushion 4, the bottom side inner wall of chair bed body 1 is provided with three bottom grooves 5, the same bottom frame 6 is movably installed in three bottom grooves 5, and first hinged mechanism is arranged between bottom frame 6 and leg pad 3, two top grooves 9 and an installation groove 10 are set up on chair bed body 1, and the same top frame 11 is movably installed in two top grooves 9 and installation groove 10, and second hinged mechanism is arranged between top frame 11 and back cushion 4, chair bed body 1 is provided with folding and unfolding drive mechanism for folding and unfolding adjustment of bottom frame 6 and top frame 11, the top side of chair bed body 1 is respectively fixedly installed with two armrest frames 19, and switch key 20 is arranged on corresponding armrest frame 19, and the bottom side inner wall of chair bed body 1 is provided with controller 24.

[0023] Further, the first hinge mechanism comprises first hinge seats 7 and first hinge plates 8, one side of the leg pad 3 is respectively fixedly provided with two first hinge seats 7, one end of each of the two first hinge seats 7 is hingedly provided with a first hinge plate 8, the other end of each of the two first hinge plates 8 is hingedly provided on the bottom frame 6, under the hinging action of the two first hinge plates 8, the leg pad 3 is driven to expand forward, so that the leg of the lumbar patient can be supported through the leg pad 3.

[0024] Further, the second hinge mechanism comprises second hinge seats 12 and second hinge plates 13, the two side walls of the back pad 4 are respectively fixedly provided with second hinge seats 12, one end of each of the two second hinge seats 12 is hingedly provided with a second hinge plate 13, the other end of each of the two second hinge plates 13 is hingedly provided on the top frame 11; under the hinging action of the two second hinge plates 13, the back pad 4 is driven to expand backward, so that the expansion angle of the back pad 4 can be adjusted.

[0025] Specifically, the folding and expanding driving mechanism comprises a motor 14, a first threaded rod 15, a second threaded rod 16, a chain wheel 17 and a chain 18, one side of the chair-bed body 1 is fixedly provided with the motor 14, the output shaft of the motor 14 is fixedly provided with the first threaded rod 15, one end of the first threaded rod 15 is threadedly provided outside the bottom frame 6 and is fixedly provided with the chain wheel 17, one end of the second threaded rod 16 is rotatably provided in the side inner wall of the installation groove 10, the other end of the second threaded rod 16 is threadedly provided outside the top frame 11 and is fixedly provided with the chain wheel 17, the same chain 18 is meshingly provided between the two chain wheels 17, the screw rotation directions of the first threaded rod 15 and the second threaded rod 16 are opposite; since the screw rotation directions of the first threaded rod 15 and the second threaded rod 16 are opposite, the bottom frame 6 and the top frame 11 can be synchronously driven to relatively move.

[0026] Specifically, the armrest frames 19 are respectively provided with hinge openings 21 and openings 22, the two second hinge plates 13 are respectively rotatably fitted in the hinge openings 21 in the corresponding armrest frames 19, and the top frame 11 is movably provided in the openings 22 of the two armrest frames 19; so that the two second hinge plates 13 can be adjusted to deflect.

[0027] Specifically, the top inner wall and the bottom inner wall of the chair-bed body 1 are respectively provided with circular grooves 23, and the diameter of the circular grooves 23 is larger than that of the chain 18; so that the chain 18 can be stably driven.

[0028] Further, the controller 24 is electrically connected with the switch key 20; when the lumbar patient presses the forward-inclining key or the backward-inclining key on the adjustment switch key 20, an adjustment signal is transmitted to the controller 24, and the motor 14 is started to operate through the controller 24.

[0029] In use: when the lumbar patient sits on the seat cushion 2 and the back cushion 4 on the chair bed body 1, the forward leaning button or the leaning down button on the adjustment switch button 20 is adjusted by hand, the adjustment signal is transmitted to the controller 24, the motor 14 is started by the controller 24, the first threaded rod 15 is rotated, the chain wheel 17 on the second threaded rod 16 is synchronously rotated under the transmission of the chain 18, the bottom frame 6 is synchronously moved forward due to the opposite screw rotation direction of the first threaded rod 15 and the second threaded rod 16, the leg cushion 3 is unfolded forward under the hinging action of the two sets of first hinge plates 8, the support of the leg of the lumbar patient is realized through the leg cushion 3, at the same time, the top frame 11 is moved backward, the back cushion 4 is unfolded backward under the hinging action of the two sets of second hinge plates 13, the unfolding angle of the back cushion 4 can be adjusted, until the back cushion 4, the seat cushion 2 and the leg cushion 3 are completely unfolded and spliced into a single bed type, so as to facilitate the lying down of the lumbar patient.

[0030] The chair bed body 1 in the case, when the lumbar patient sits on the seat cushion 2 and the back cushion 4 on the chair bed body 1, the forward leaning button or the leaning down button on the adjustment switch button 20 is adjusted by hand, the motor 14 is started by the controller 24, the leg cushion 3 is unfolded forward under the cooperation of the folding and unfolding driving mechanism, the first hinge mechanism and the second hinge mechanism, the support of the leg of the lumbar patient is realized through the leg cushion 3, at the same time, the back cushion 4 is unfolded backward, the unfolding angle of the back cushion 4 can be adjusted, the different applicable angles after the lying down of the lumbar patient are facilitated, the back cushion 4, the seat cushion 2 and the leg cushion 3 on the chair bed body 1 are unfolded and spliced into a single bed type, the comfortable combination function of the seat and the bed is achieved, and the comfort of the lumbar patient in use is improved.

[0031] It should be noted that, in the present document, the terms such as first and second, etc., are used merely to differentiate one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Also, the terms "comprising", "containing" or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article or apparatus including a list of elements does not only include those elements, but also includes other elements not explicitly listed, or inherent to such process, method, article or apparatus.

[0032] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application.

Claims

1. A lumbar spine relaxation assistive chair-bed converter, comprising a chair-bed body (1), characterized in that, The chair body (1) is provided with a seat cushion (2), and the chair body (1) is respectively hinged with a leg cushion (3) and a backrest cushion (4). The bottom inner wall of the chair body (1) is provided with three bottom grooves (5), and the same base frame (6) is movably installed in the three bottom grooves (5). The base frame (6) and the leg cushion (3) are provided with a first hinge mechanism. The chair body (1) is provided with two top grooves (9) and one mounting groove (10). The two top grooves (9) and the mounting groove (10) are connected to each other. 0) The same top frame (11) is installed inside. A second hinge mechanism is provided between the top frame (11) and the backrest (4). The chair body (1) is provided with a retraction drive mechanism for retraction and extension adjustment of the base frame (6) and the top frame (11). Two armrests (19) are fixedly installed on the top side of the chair body (1). Switch buttons (20) are provided on the corresponding armrests (19). A controller (24) is provided on the bottom inner wall of the chair body (1).

2. The lumbar spine relaxation assistive chair-bed converter according to claim 1, characterized in that, The first hinge mechanism includes a first hinge seat (7) and a first hinge plate (8). Two first hinge seats (7) are fixedly installed on one side of the leg pad (3). One end of the first hinge plate (8) is hinged to each of the two first hinge seats (7), and the other end of the two first hinge plates (8) is hinged to the base frame (6).

3. The lumbar spine relaxation assistive chair-bed converter according to claim 1, characterized in that, The second hinge mechanism includes a second hinge seat (12) and a second hinge plate (13). The two side walls of the cushion (4) are fixedly installed with the second hinge seat (12). One end of the second hinge plate (13) is hingedly installed on each of the two second hinge seats (12), and the other end of the two second hinge plates (13) is hingedly installed on the top frame (11).

4. The lumbar spine relaxation assistive chair-bed converter according to claim 3, characterized in that, The retraction drive mechanism includes a motor (14), a first threaded rod (15), a second threaded rod (16), a sprocket (17), and a chain (18). The motor (14) is fixedly installed on one side of the chair body (1). The output shaft of the motor (14) is fixedly installed with the first threaded rod (15). One end of the first threaded rod (15) is threaded through the base frame (6) and fixedly installed with the sprocket (17). One end of the second threaded rod (16) is rotatably installed on the inner wall of one side of the mounting groove (10). The other end of the second threaded rod (16) is threaded through the top frame (11) and fixedly installed with the sprocket (17). The two sprockets (17) are meshed with the same chain (18). The threads of the first threaded rod (15) and the second threaded rod (16) have opposite directions.

5. The lumbar spine relaxation assistive chair-bed converter according to claim 4, characterized in that, The handrail frame (19) is provided with a hinge interface (21) and an opening (22) respectively. Two second hinge plates (13) are respectively rotated and fitted into the hinge interface (21) in the corresponding handrail frame (19). The top frame (11) is movably installed in the opening (22) on the two handrail frames (19).

6. The lumbar spine relaxation assistive chair-bed converter according to claim 4, characterized in that, The inner wall of the top side and the inner wall of the bottom side of the chair body (1) are provided with round grooves (23), and the diameter of the round grooves (23) is larger than that of the chain (18).

7. The lumbar spine relaxation assistive chair-bed converter according to claim 1, characterized in that, The controller (24) is electrically connected to the switch button (20).

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