CN112754882B

CN112754882B - Massaging device applied to limb nursing

Info

Publication number: CN112754882B
Application number: CN202110098570.9A
Authority: CN
Inventors: 曹义红
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2024-09-06
Anticipated expiration: 2041-01-25
Also published as: CN112754882A

Abstract

The invention discloses a massage device applied to limb nursing, and relates to the technical field of limb nursing. This apply to massage device of limbs nursing, including the bed board, the bottom of bed board is provided with the removal case, and bed board top fixed mounting has first fixed case and the fixed case of second, and the inside of removing the case is provided with back massage mechanism, and one side fixed mounting of first fixed case and the fixed case of second has the protective housing, is provided with arm massage mechanism on first fixed case, the fixed case of second and the protective housing. The massaging device for limb nursing is used by matching the back massaging mechanism and the arm massaging mechanism, so that the tense body is relaxed, the whole body blood circulation is promoted, the body quality is improved, the disease resistance is enhanced, the contraction and stretching movement of muscle fibers are also promoted, the recovery of the atrophy-delegation muscles is promoted, the bed plate can be moved through the supporting columns and the moving wheels, and the inconvenience caused by manual movement is reduced.

Description

Massaging device applied to limb nursing

Technical Field

The invention relates to the technical field of limb nursing, in particular to a massage device applied to limb nursing.

Background

The massage is based on the theory of viscera and meridians of traditional Chinese medicine, combines the anatomy and pathological diagnosis of Western medicine, and acts on specific parts of the body surface of human body by using the method to regulate physiological and pathological conditions of the body so as to achieve the purpose of physiotherapy, and is a physical treatment method in nature, the massage is usually manual, the long-time massage can lead to arm ache, reduces the massage effect, and the manual massage can not accurately control the intensity of the hand, can not effectually keep the massage intensity, and the person who is massaged can not good enjoyment massage service, and partial massage device can not massage hand and back simultaneously, can not keep the posture of lying down yet.

Disclosure of Invention

The invention aims to provide a massage device applied to limb nursing, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a massaging device who applies to limbs nursing, includes the bed board, the bottom of bed board is provided with the removal case, and the fixed case of first fixed case and second is provided with to bed board top fixed mounting, and the inside of removing the case is provided with back massage mechanism, and one side fixed mounting of the fixed case of first fixed case and second has the protective housing, is provided with arm massage mechanism on the fixed case of first fixed case, second and the protective housing, and the opening has been seted up at the top of removal case, and the opening has been seted up to the adjacent lateral wall of the fixed case of first fixed case and second.

Preferably, the back massage mechanism comprises a first fixed plate, a centrifugal rod, a centrifugal block, a first motor, a first fixed shell, a buffer spring, a connecting rod, a second fixed plate, a rotating rod, a fixed frame, a rubber soft block, a fixed rod, a moving block, a first threaded rod, a guide rod, a connecting plate and a second motor, wherein two groups of first fixed plates and second fixed plates are fixedly arranged at the bottom of the inner side of the moving box, the centrifugal rod is rotatably arranged on the adjacent side wall of the two groups of first fixed plates, the centrifugal block is rotatably arranged on the centrifugal rod, one side of the group of first fixed plates is fixedly provided with the first motor, an output shaft of the first motor penetrates through the first fixed plate through a coupler and is fixedly connected with one end of the centrifugal rod, the rear side of the centrifugal block is hinged with the first fixed shell, the buffer spring is fixedly arranged on the inner wall of the front side of the first fixed shell, and the piston plate is fixedly arranged on the rear side of the buffer spring.

Preferably, the rear side of the piston plate is fixedly provided with a connecting rod, the adjacent side walls of the two groups of second fixing plates are rotatably provided with rotating rods, the outer walls of the rotating rods are fixedly provided with two groups of fixing frames, the adjacent side walls of the two groups of fixing frames are rotatably provided with fixing rods and two groups of rubber soft blocks, one end of the connecting rod penetrates through the rear side of the first fixing shell and is fixedly connected with the fixing rods, and the connecting rod is slidably mounted with the rear side of the first fixing shell.

Preferably, four groups of movable blocks are fixedly arranged at the bottom of the bed plate, a first threaded rod is rotatably arranged on the adjacent side walls of the two groups of movable blocks, guide rods are fixedly arranged on the adjacent side walls of the other two groups of movable blocks, two groups of connecting plates are fixedly arranged on the outer walls of the two sides of the movable box, each two groups of connecting plates are respectively in threaded installation and sliding installation with the first threaded rod and the guide rods, a second motor is fixedly arranged at the bottom of the bed plate, one end of each connecting plate penetrates through one group of movable blocks, and an output shaft of each second motor is fixedly connected with one end of each first threaded rod through a coupler.

Preferably, the arm massage mechanism comprises a second fixing shell, a thread block, a guide block, a compression spring, a sliding rod, a C-shaped plate, a massage roller, a sliding block, a second threaded rod, a guide rail, a first transmission tooth, a first transmission chain, a limiting plate, a transmission rod, a second transmission tooth and a second transmission chain, wherein the second fixing shell is arranged in the first fixing box, the thread block is fixedly arranged at the bottom of the second fixing shell, the guide block is fixedly arranged at the top of the second fixing shell, the compression spring is fixedly arranged on the inner wall of the rear side of the second fixing shell, the piston plate is fixedly arranged at the front side of the compression spring, the sliding rod is fixedly arranged at the front side of the piston plate, the C-shaped plate is fixedly arranged at the front end of the sliding rod, the massage roller is rotatably arranged in the C-shaped plate, sliding grooves are formed in adjacent side walls of the thread block and the guide block, sliding blocks are slidably arranged in the sliding grooves, threaded holes are formed in the top and bottom of the C-shaped plate, the threaded blocks are internally provided with threaded holes, the sliding holes are formed in the guide block, the guide rail is slidably arranged in the sliding block, the guide rail is fixedly arranged on the inner walls of the first fixing box and the first side of the first fixing box, the sliding guide block is fixedly arranged at two sides of the first side of the guide rail.

Preferably, the second fixed shell, the screw thread piece, the guide block, the compression spring, the slide bar, the C template, the massage roller, the slider, the second threaded rod, guide rail and first transmission tooth have two sets of, be the symmetry and set up in the inside of the fixed case of second, first transmission tooth cover on the fixed case of first and the fixed case of second is equipped with first drive chain, two sets of first transmission teeth are connected through first drive chain transmission, first fixed case, the fixed case of second and protective housing have two sets of, are the symmetry and set up in the top of bed board.

Preferably, the top fixed mounting of bed board has the third motor, the third motor is located the inside of a set of first fixed box, third motor output shaft passes through shaft coupling and a set of first transmission tooth fixed connection, one side fixed mounting of two sets of second fixed boxes has the second transmission tooth, the bottom fixed mounting of bed board has two sets of limiting plates, the adjacent lateral wall of two sets of limiting plates rotates and installs the transfer line, the both ends of transfer line all extend to one side of limiting plate and fixed mounting have the second transmission tooth, every two sets of second transmission tooth cover is equipped with the second drive chain, every two sets of second transmission teeth carry out transmission connection through the second drive chain.

Preferably, the top fixed mounting of bed board has two sets of arm pads, and two sets of arm pads are located between two sets of first fixed casees and the second fixed casees, and the headrest has been placed at the top of bed board, and the bottom fixed mounting of bed board has the support column, and the bottom of support column is rotated and is installed the removal wheel, and the top fixed mounting of bed board has the back cushion, and the back cushion is located the opening top of bed board, and the back cushion contacts with the rubber soft piece.

Compared with the prior art, the invention has the beneficial effects that:

(1) This apply to massage device of limbs nursing through the cooperation of movable block, first threaded rod, guide bar, connecting plate and second motor, promotes the movable box, makes the rubber soft block can contact the top and the bottom of human back, has increased the rubber soft block and to the massage scope of back, lets the people lie on the bed board and can reach good back massage, reduces the aching to the back in the daily life.

(2) This apply to massage device of limbs nursing uses through first fixed plate, centrifugal pole, centrifugal piece, first motor, first fixed shell, buffer spring, connecting rod and dead lever's cooperation, promotes the mount repeatedly, makes the rubber soft block on the mount can be better to reaching the effect of artifical hammer, lets human back more smooth, through the cooperation of second motor, makes the rubber soft block adjust to carry out continuous massage to the position of human aching, has strengthened the massage position of people's demand.

(3) This apply to massage device of limbs nursing through screw thread piece, the guide block, the second threaded rod, the guide rail, first drive tooth, first drive chain, the limiting plate, the transfer line, the cooperation of second drive tooth and second drive chain is used, remove the second fixed shell, make the massage roller roll on the arm, through two sets of massage rollers, reach artifical massage's effect, convex closure setting on the massage roller, make the massage roller play better massage simulation effect, through squeezing spring, the slide bar, C template, the cooperation use of slider, make the massage roller can contact the massage to the arm of different width, reduce the arm thin or thick, can not reach the scope of massage dynamics demand.

(4) The massaging device for limb nursing is used for relaxing a tense body, promoting blood circulation of the whole body, improving the quality of the body, enhancing the capability of resisting diseases, promoting contraction and extension movements of muscle fibers, promoting recovery of the delegation and atrophy muscles, and reducing inconvenience caused by manual movement by moving a bed plate through the support column and the moving wheel.

Drawings

FIG. 1 is a schematic top view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a schematic view of the left side structure of the fixing case of the present invention;

FIG. 4 is a schematic view of the left side structure of the push back box of the present invention;

FIG. 5 is a front view of the drive shaft of the present invention;

FIG. 6 is a front view of the push back case of the present invention;

Fig. 7 is a left side view of the push back case of the present invention.

In the figure: 1 bed board, 2 moving case, 3 first fixed case, 4 second fixed case, 5 back massage mechanism, 501 first fixed plate, 502 eccentric lever, 503 eccentric block, 504 first motor, 505 first fixed case, 506 buffer spring, 507 connecting rod, 508 second fixed plate, 509 rotating lever, 510 fixed mount, 511 rubber soft block, 512 fixed lever, 513 moving block, 514 first threaded rod, 515 guide lever, 516 connecting plate, 517 second motor, 6 protective case, 7 arm massage mechanism, 701 second fixed case, 702 threaded block, 703 guide block, 704 compression spring, 705 sliding lever, 706C template, 707 massage roller, 708 sliding block, 709 second threaded rod, 710 guide rail, 711 first drive tooth, 712 first drive chain, 713 restriction plate, 714 drive lever, 715 second drive tooth, 716 second drive chain, 717 third motor, 8 arm pad, 9 headrest, 10 support post, 11 moving wheel, 12 back cushion.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a massaging device who applies to limbs nursing, including bed board 1, the bottom of bed board 1 is provided with removes case 2, the fixed case 4 of first fixed case 3 and second is provided with at the top fixed mounting of bed board 1, the inside of removing case 2 is provided with back massage mechanism 5, one side fixed mounting of the fixed case 4 of first fixed case 3 and second has protective housing 6, be provided with arm massage mechanism 7 on the fixed case 3 of first, the fixed case 4 of second and the protective housing 6, the opening has been seted up at the top of removing case 2, the opening has been seted up to the adjacent lateral wall of the fixed case 4 of first fixed case 3 and second.

The back massage mechanism 5 comprises a first fixing plate 501, a centrifugal rod 502, a centrifugal block 503, a first motor 504, a first fixing shell 505, a buffer spring 506, a connecting rod 507, a second fixing plate 508, a rotating rod 509, a fixing frame 510, a rubber soft block 511, a fixing rod 512, a moving block 513, a first threaded rod 514, a guide rod 515, a connecting plate 516 and a second motor 517, wherein two groups of first fixing plates 501 and second fixing plates 508 are fixedly arranged at the bottom of the inner side of the moving box 2, the centrifugal rod 502 is rotatably arranged on the adjacent side walls of the two groups of first fixing plates 501, the centrifugal block 503 is rotatably arranged on the centrifugal rod 502, A first motor 504 is fixedly arranged on one side of a group of first fixing plates 501, an output shaft of the first motor 504 penetrates through the first fixing plates 501 through a coupler to be fixedly connected with one end of a centrifugal rod 502, a first fixing shell 505 is hinged to the rear side of a centrifugal block 503, a buffer spring 506 is fixedly arranged on the inner wall of the front side of the first fixing shell 505, a piston plate is fixedly arranged on the rear side of the buffer spring 506, a connecting rod 507 is fixedly arranged on the rear side of the piston plate, a rotating rod 509 is rotatably arranged on the adjacent side walls of two groups of second fixing plates 508, two groups of fixing frames 510 are fixedly arranged on the outer wall of the rotating rod 509, The adjacent side walls of the two groups of fixing frames 510 are rotatably provided with a fixing rod 512 and two groups of rubber soft blocks 511, one end of a connecting rod 507 penetrates through the rear side of the first fixing shell 505 and is fixedly connected with the fixing rod 512, the connecting rod 507 is slidably arranged behind the first fixing shell 505, the first motor 504 is started to drive the centrifugal rod 502 to rotate, the centrifugal rod 502 drives the centrifugal block 503, the first fixing shell 505, the buffer spring 506 and the connecting rod 507 to push, the connecting rod 507 drives the fixing frame 510 and the rubber soft blocks 511 to shake, so that the rubber soft blocks 511 on the fixing frame 510 can better achieve the effect of manual hammer knocking, the back of a human body is more comfortable, the rubber soft blocks 511 are adjusted to continuously massage the ache part of the human body through the cooperation of the second motor 517, the massage position required by people is enhanced, four groups of moving blocks 513 are fixedly arranged at the bottom of the bed board 1, the first threaded rods 514 are rotatably arranged on the adjacent side walls of the two groups of moving blocks 513, the guide rods 515 are fixedly arranged on the adjacent side walls of the other two groups of moving blocks 513, the two groups of connecting plates 516 are fixedly arranged on the outer walls of the two sides of the moving box 2, each two groups of connecting plates 516 are respectively in threaded installation and sliding installation with the first threaded rods 514 and the guide rods 515, the second motor 517 is fixedly arranged at the bottom of the bed board 1, One end of the connecting plate 516 penetrates through a group of moving blocks 513, an output shaft of the second motor 517 is fixedly connected with one end of the first threaded rod 514 through a coupler, the second motor 517 is started to drive the first threaded rod 514 to rotate, the first threaded rod 514 drives the moving box 2 to move, the rubber soft blocks 511 can contact the top end and the bottom end of the back of a human body, the massaging range of the rubber soft blocks 511 on the back is enlarged, a person can lie on the bed board 1 to achieve good back massaging, ache to the back in daily life is reduced, and the arm massaging mechanism 7 comprises a second fixing shell 701, The screw block 702, the guide block 703, the compression spring 704, the sliding rod 705, the C-shaped plate 706, the massage roller 707, the sliding block 708, the second threaded rod 709, the guide rail 710, the first driving tooth 711, the first driving chain 712, the limiting plate 713, the driving rod 714, the second driving tooth 715 and the second driving chain 716, the second fixing case 701 is arranged in the first fixing case 3, the screw block 702 is fixedly arranged at the bottom of the second fixing case 701, the guide block 703 is fixedly arranged at the top of the second fixing case 701, the compression spring 704 is fixedly arranged on the inner wall of the rear side of the second fixing case 701, The front side of the compression spring 704 is fixedly provided with a piston plate, the front side of the piston plate is fixedly provided with a sliding rod 705, the front end of the sliding rod 705 is fixedly provided with a C-shaped plate 706, the inside of the C-shaped plate 706 is rotatably provided with a massage roller 707, the adjacent side walls of the thread block 702 and the guide block 703 are provided with sliding grooves, the sliding grooves are internally provided with sliding blocks 708, the top and the bottom of the two groups of sliding blocks 708 and the C-shaped plate 706 are fixedly provided with threaded holes, the threaded holes are internally provided with second threaded rods 709 in the threaded holes, the guide block 703 is provided with sliding holes, the sliding holes are internally provided with guide rails 710 in a sliding way, the second threaded rod 709 is rotatably installed with the inner walls of the two sides of the first fixed box 3, the guide rail 710 is fixedly installed with the inner walls of the two sides of the first fixed box 3, one end of the second threaded rod 709 extends to the inside of the protective shell 6 and is fixedly provided with a first transmission tooth 711, two groups of the second fixed shell 701, the threaded block 702, the guide block 703, the extrusion spring 704, the sliding rod 705, the C-shaped plate 706, the massage roller 707, the sliding block 708, the second threaded rod 709, the guide rail 710 and the first transmission tooth 711 are symmetrically arranged in the second fixed box 4, the first transmission teeth 711 on the first fixed box 3 and the second fixed box 4 are sleeved with a first transmission chain 712, The two groups of first transmission teeth 711 are in transmission connection through a first transmission chain 712, the first fixed box 3, the second fixed box 4 and the protective shell 6 are in symmetrical arrangement at the top of the bed board 1, a third motor 717 is fixedly arranged at the top of the bed board 1, the third motor 717 is positioned in the first fixed box 3, an output shaft of the third motor 717 is fixedly connected with the first transmission teeth 711 through a coupler, one side of the second fixed box 4 is fixedly provided with a second transmission tooth 715, the bottom of the bed board 1 is fixedly provided with two groups of limiting boards 713, the adjacent side walls of the two groups of limiting boards 713 are rotatably provided with transmission rods 714, The two ends of the transmission rod 714 extend to one side of the limiting plate 713 and are fixedly provided with second transmission teeth 715, each two groups of second transmission teeth 715 are sleeved with a second transmission chain 716, each two groups of second transmission teeth 715 are in transmission connection through the second transmission chain 716, a third motor 717 is started, the third motor 717 drives a second threaded rod 709 and a first transmission tooth 711 to rotate, the first transmission tooth 711 drives the other groups of first transmission teeth 711 and second threaded rod 709 to rotate through the first transmission chain 712, so that the second fixing shells 701, the threaded blocks 702 and the guide blocks 703 in the first fixing box 3 and the second fixing box 4 move, the massage roller 707 is driven to perform rolling massage on two sides of the arm through the movement of the second fixing shell 701, the massage roller 707 on the other group of the first fixing box 3 and the second fixing box 4 is driven to massage the other arm through the transmission connection of the transmission rod 714, the second transmission tooth 715 and the second transmission chain 716, the effect of manual massage is achieved, the massage roller 707 plays a better massage simulation effect through the convex hull arrangement on the massage roller 707, two groups of arm pads 8 are fixedly arranged on the top of the bed board 1, the two groups of arm pads 8 are positioned between the two groups of the first fixing box 3 and the second fixing box 4, the headrest 9 is arranged on the top of the bed board 1, The bottom of the bed board 1 is fixedly provided with the supporting columns 10, the bottom ends of the supporting columns 10 are rotatably provided with the moving wheels 11, the top of the bed board 1 is fixedly provided with the back cushion 12, the back cushion 12 is positioned above the opening of the bed board 1, the back cushion 12 is contacted with the rubber soft blocks 511, the back massage mechanism 5 and the arm massage mechanism 7 are used together to relax the tense body, promote the blood circulation of the whole body, be beneficial to improving the quality of the body, enhance the disease resistance, promote the contraction and stretching movement of muscle fibers of people, be beneficial to promoting the recovery of the principal atrophy muscles, the supporting columns 10 and the moving wheels 11 can move the bed board 1, the inconvenience caused by manual movement is reduced.

Working principle: the back of a person lies on the back cushion 12, the two arms are placed on the arm cushion 8, the third motor 717 is started, the third motor 717 drives the second threaded rod 709 and the first transmission tooth 711 to rotate, the first transmission tooth 711 drives the other group of first transmission tooth 711 and the second threaded rod 709 to rotate through the first transmission chain 712, the second fixed shell 701, the threaded block 702 and the guide block 703 in the first fixed box 3 and the second fixed box 4 are enabled to move, the massage roller 707 is driven to roll on two sides of the arm through the movement of the second fixed shell 701, the massage roller 707 on the other group of first fixed box 3 and the second fixed box 4 is driven to massage through the transmission connection of the transmission rod 714, the second transmission tooth 715 and the second transmission chain 716, the effect of simultaneous massage is achieved, the second motor 517 drives the first threaded rod 514 to rotate, the rubber soft block 511 in the moving box 2 is enabled to roll up and down for the back of the human body, the first motor 504 is started, the first motor 514 drives the soft block 502 to drive the soft block 502 to rotate, the soft block 506 is driven to shake, and the soft block 507 is driven to shake, and the cushion effect of shaking of the soft block 502 is achieved, and the cushion effect of shaking is achieved.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a massaging device who applies to limbs nursing, includes bed board (1), its characterized in that: the bed board is characterized in that a movable box (2) is arranged at the bottom of the bed board (1), a first fixed box (3) and a second fixed box (4) are fixedly arranged at the top of the bed board (1), a back massage mechanism (5) is arranged in the movable box (2), a protective shell (6) is fixedly arranged on one side of the first fixed box (3) and one side of the second fixed box (4), an arm massage mechanism (7) is arranged on the first fixed box (3), the second fixed box (4) and the protective shell (6), an opening is formed in the top of the movable box (2), and an opening is formed in the adjacent side walls of the first fixed box (3) and the second fixed box (4);

The back massage mechanism (5) comprises a first fixed plate (501), a centrifugal rod (502), a centrifugal block (503), a first motor (504), a first fixed shell (505), a buffer spring (506), a connecting rod (507), a second fixed plate (508), a rotating rod (509), a fixed frame (510), a rubber soft block (511), a fixed rod (512), a moving block (513), a first threaded rod (514), a guide rod (515), a connecting plate (516) and a second motor (517), two groups of first fixed plates (501) and second fixed plates (508) are fixedly arranged at the bottom of the inner side of the moving box (2), the centrifugal rod (502) is rotatably arranged on the adjacent side walls of the two groups of first fixed plates (501), the centrifugal block (503) is rotatably arranged on the centrifugal rod (502), one side of one group of the first fixed plates (501) is fixedly provided with the first motor (504), an output shaft of the first motor (504) penetrates through the first fixed plate (501) through a spring, is fixedly connected with one end of the centrifugal rod (502), the rear side of the centrifugal block (503) is hinged with the first fixed shell (505), the inner wall (506) is fixedly arranged on the inner wall of the buffer spring (506), and the front side of the buffer plate (505) is fixedly arranged on the buffer shell (506);

The rear side of the piston plate is fixedly provided with a connecting rod (507), the adjacent side walls of the two groups of second fixing plates (508) are rotatably provided with rotating rods (509), the outer walls of the rotating rods (509) are fixedly provided with two groups of fixing frames (510), the adjacent side walls of the two groups of fixing frames (510) are rotatably provided with fixing rods (512) and two groups of rubber soft blocks (511), one end of the connecting rod (507) penetrates through the rear side of the first fixing shell (505) and is fixedly connected with the fixing rods (512), and the connecting rod (507) is fixedly arranged with the rear side of the first fixing shell (505);

Four groups of moving blocks (513) are fixedly arranged at the bottom of the bed plate (1), a first threaded rod (514) is rotatably arranged on the adjacent side walls of the two groups of moving blocks (513), guide rods (515) are fixedly arranged on the adjacent side walls of the other two groups of moving blocks (513), two groups of connecting plates (516) are fixedly arranged on the outer walls of two sides of the moving box (2), each two groups of connecting plates (516) are respectively in threaded installation and sliding installation with the first threaded rod (514) and the guide rods (515), a second motor (517) is fixedly arranged at the bottom of the bed plate (1), one end of each connecting plate (516) penetrates through one group of the moving blocks (513), and an output shaft of each second motor (517) is fixedly connected with one end of each first threaded rod (514) through a coupler;

The arm massage mechanism (7) comprises a second fixing shell (701), a thread block (702), a guide block (703), a compression spring (704), a sliding rod (705), a C-shaped plate (706), a massage roller (707), a sliding block (708), a second threaded rod (709), a guide rail (710), a first transmission tooth (711), a first transmission chain (712), a limiting plate (713), a transmission rod (714), a second transmission tooth (715) and a second transmission chain (716), wherein the second fixing shell (701) is arranged in the first fixing box (3), the thread block (702) is fixedly arranged at the bottom of the second fixing shell (701), the guide block (703) is fixedly arranged at the top of the second fixing shell (701), the compression spring (704) is fixedly arranged on the inner wall at the rear side of the second fixing shell (701), the piston plate is fixedly arranged at the front side of the compression spring (704), the sliding rod (705), the C (706) is fixedly arranged at the front end of the sliding rod (705), the C (706) is rotatably arranged in the second fixing shell (706), the massage roller (707) is fixedly arranged at the inner side of the piston plate, the thread block (702) and the guide block (702) is fixedly arranged at the bottom of the sliding block (708), and the sliding block (708) is fixedly arranged at the bottom of the sliding block, a threaded hole is formed in the threaded block (702), a second threaded rod (709) is arranged in the threaded hole in a threaded manner, a sliding hole is formed in the guide block (703), a guide rail (710) is slidably arranged in the sliding hole, the second threaded rod (709) is rotatably arranged on the inner walls of the two sides of the first fixed box (3), the guide rail (710) is fixedly arranged on the inner walls of the two sides of the first fixed box (3), and one end of the second threaded rod (709) extends to the inside of the protective shell (6) and is fixedly provided with a first transmission tooth (711);

The device comprises a first fixing case (701), a second fixing case (702), a guide block (703), a compression spring (704), a sliding rod (705), a C-shaped plate (706), a massage roller (707), a sliding block (708), a second threaded rod (709), a guide rail (710) and a first transmission tooth (711), wherein the first transmission tooth (711) which is symmetrically arranged in a first fixing case (4) is sleeved with a first transmission chain (712), the two groups of first transmission teeth (711) are in transmission connection through the first transmission chain (712), and the first fixing case (3), the second fixing case (4) and a protective case (6) are symmetrically arranged at the top of a bed board (1);

The top of the bed board (1) is fixedly provided with a third motor (717), the third motor (717) is positioned in a group of first fixed boxes (3), an output shaft of the third motor (717) is fixedly connected with a group of first transmission teeth (711) through a coupler, one side of each of two groups of second fixed boxes (4) is fixedly provided with a second transmission tooth (715), the bottom of the bed board (1) is fixedly provided with two groups of limiting plates (713), adjacent side walls of the two groups of limiting plates (713) are rotatably provided with transmission rods (714), two ends of each transmission rod (714) extend to one side of each limiting plate (713) and are fixedly provided with second transmission teeth (715), each two groups of second transmission teeth (715) are sleeved with a second transmission chain (716), and each two groups of second transmission teeth (715) are in transmission connection through the second transmission chain (716);

The utility model discloses a bed board, including bed board (1), fixed box, back cushion, rubber soft block (511), back cushion, support column (10), movable wheel (11) are installed in the bottom rotation of support column (10), back cushion (12) are installed at the top fixed mounting of bed board (1), back cushion (12) are located the opening top of bed board (1) between two sets of fixed box (3) and second fixed box (4), headrest (9) have been placed at the top of bed board (1), the bottom fixed mounting of bed board (1), back cushion (12) contact with rubber soft block (511).