CN109223466B

CN109223466B - Bed capable of stepping on back

Info

Publication number: CN109223466B
Application number: CN201810835472.7A
Authority: CN
Inventors: 魏彩杰
Original assignee: Hunan Institute of Engineering
Current assignee: Hefei Minglong Electronic Technology Co ltd
Priority date: 2018-07-26
Filing date: 2018-07-26
Publication date: 2021-05-18
Anticipated expiration: 2038-07-26
Also published as: CN109223466A

Abstract

A bed capable of treading back comprises a bed plate, wherein four corners of the top surface of the bed plate are respectively and fixedly connected with the lower ends of electric hydraulic rods, the upper end of an electric hydraulic rod on the left side is respectively and fixedly connected with the upper end of an electric hydraulic rod adjacent to the right side through an optical axis, the front and the back of the optical axis are symmetrical, sleeves are respectively sleeved on the periphery of the optical axis and are symmetrical front and back, and the sleeves can respectively slide left and right along the corresponding optical axes; the bottom side of the sleeve is fixedly connected with the top side of the same fixed plate respectively, the motor is fixedly installed in the middle of the right end of the bottom side of the fixed plate, the left end of a motor rotating shaft is fixedly connected with the right end of a transmission shaft, a first shaft seat is installed on a peripheral bearing at the left end of the transmission shaft, the first shaft seat is fixedly connected with the middle of the left end of the bottom side of the fixed plate through a first connecting rod, and the front side and the rear side of the transmission shaft are provided. The back stepping device is simple in structure, low in production cost, convenient to use and operate, suitable for being arranged in public places, capable of simulating back stepping by utilizing the cam mechanism in a pressing mode, and capable of adjusting the back stepping force, and meeting requirements of different people.

Description

Bed capable of stepping on back

Technical Field

The invention belongs to the field of back treading devices, and particularly relates to a bed capable of treading back.

Background

The back treading is that a masseur performs continuous treading or fixed-point treading on a certain part of the body and meridian points by using soles or heels, and can also perform rhythmic back-and-forth rubbing, rolling and kneading to ensure that the rubbed part has a heating feeling, so that the effects of dredging collaterals, activating blood circulation, regulating qi, dredging collaterals and burning fat are achieved, the sub-health condition is relieved, the local blood circulation can be enhanced, and the back stiffness, pain and fatigue are relieved; however, since it is too expensive to frequently find the masseur to tread on the back, people in general cannot bear the economic burden, and the existing back-treading device has a complex structure, a large production cost and cannot be popularized, in the invention patent 201610845776.2 bed published in chinese patent 2017.01.25: utilize the gravity of massage foot self to step on the back, it is not obvious to step on the back the effect, utilizes reciprocating drive motor to drive the massage foot and removes, massage foot position control complex operation, and can only the back-and-forth movement, can not remove about, the user need constantly remove the health in the use, brings a great deal of inconvenience for the user, can't satisfy the actual demand, so I invented a new bed that can step on the back.

Disclosure of Invention

The invention provides a bed capable of treading back, which is used for solving the defects in the prior art.

The invention is realized by the following technical scheme:

a bed capable of treading back comprises a bed plate, wherein four corners of the top surface of the bed plate are respectively and fixedly connected with the lower ends of electric hydraulic rods, the upper end of an electric hydraulic rod on the left side is respectively and fixedly connected with the upper end of an electric hydraulic rod adjacent to the right side through an optical axis, the front and the back of the optical axis are symmetrical, sleeves are respectively sleeved on the periphery of the optical axis and are symmetrical front and back, and the sleeves can respectively slide left and right along the corresponding optical axes; the bottom sides of the sleeves are respectively fixedly connected with the top sides of the same fixed plate, a motor is fixedly installed in the middle of the right end of the bottom side of the fixed plate, the left end of a rotating shaft of the motor is fixedly connected with the right end of a driving shaft, a first shaft seat is installed on the outer periphery of the left end of the driving shaft, the first shaft seat is fixedly connected with the middle of the left end of the bottom side of the fixed plate through a first connecting rod, three rotating shafts are respectively arranged on the front side and the rear side of the driving shaft, the rotating shaft on the front side is respectively in front-back symmetry with the rotating shaft on the rear side, a second shaft seat is respectively installed on the outer ends of the rotating shafts in a bearing mode, the second shaft seat is respectively fixedly connected with the bottom sides of the fixed plate through a second connecting rod, the inner ends of the rotating shafts are respectively fixedly connected with an output, the second bevel gears are respectively meshed with the corresponding first bevel gears; the periphery of the rotating shaft is respectively fixedly provided with two cams, the convex parts of the two cams on the periphery of the same rotating shaft are distributed in a half-cycle alternate mode, push plates are respectively arranged under the cams, the top sides of the push plates are respectively in contact fit with the bottom sides of the corresponding cams, the middle of the bottom surface of each push plate is respectively fixedly connected with the upper end of a vertical rod, the middle parts of the peripheries of the vertical rods are respectively sleeved with a shaft sleeve, the peripheries of the shaft sleeves are respectively fixedly connected with the lower ends of supports which are bilaterally symmetrical, the upper ends of the supports are respectively fixedly connected with the bottom sides of fixed plates, the vertical rods can respectively move up and down along the corresponding shaft sleeves, the upper parts of the peripheries of the vertical rods are respectively sleeved with springs, the upper ends of the springs are respectively fixedly connected with the bottom sides of the corresponding push plates, the, the left end of the top side of the bed plate is fixedly provided with a controller, the pressure sensor is respectively connected with the input end of the controller, and the magnetic powder clutch, the motor and the electric hydraulic rod are respectively connected with the output end of the controller.

According to the bed capable of treading on back, the bottom sides of the vertical rods are respectively provided with the blind holes, the inner walls of the blind holes are respectively provided with the strip-shaped sliding grooves which are bilaterally symmetrical, the sliding blocks are movably installed in the strip-shaped sliding grooves respectively and can slide up and down along the corresponding strip-shaped sliding grooves respectively, the bottom sides of the vertical rods are respectively provided with the screw nuts in a bearing mode, the screw nuts are internally provided with the screw rods in a threaded mode respectively, the sliding blocks are respectively fixedly connected with the upper ends of the peripheries of the corresponding screw rods, and the lower ends of the screw rods are respectively.

According to the bed capable of treading back, the plurality of handles are fixedly installed on the periphery of the nut respectively.

According to the bed capable of being treaded on back, the two linear bearings are movably mounted on the periphery of the optical axis respectively, the optical axis can move left and right along the corresponding linear bearings respectively, and the inner ends of the linear bearings are fixedly connected with the corresponding sleeves respectively.

According to the bed capable of being treaded on the back, the top sides of the sleeves are respectively provided with the threaded through holes, the threaded through holes are internally provided with the bolts in a threaded mode, and the lower ends of the bolts can be respectively in contact fit with the top sides of the corresponding optical axes.

According to the bed capable of being treaded on the back, the bottom sides of the treading plates are respectively fixedly provided with the latex pads.

According to the bed capable of being used for back stepping, the top sides of the push plates are respectively hinged with the rollers, and the peripheries of the rollers can be respectively in contact fit with the peripheries of the corresponding cams.

The invention has the advantages that: the back stepping device is simple in structure, low in production cost, convenient to use and operate, suitable for being arranged in public places, capable of adjusting the back stepping force by utilizing the cam mechanism to simulate back stepping in a pressing mode, capable of meeting requirements of different crowds, dividing the pedal into six areas corresponding to the upper part, the middle part and the lower part of the left side and the upper part, the middle part and the lower part of the right side of the back of a human body respectively, selecting the pedal in the corresponding area to perform back stepping according to the requirements of a user, or simultaneously performing back stepping in a plurality of areas, capable of accelerating the back stepping efficiency, capable of meeting market requirements, and suitable for. When the invention is used, the device is electrified, the controller respectively controls the electric hydraulic rods to extend simultaneously, the upper ends of the electric hydraulic rods respectively drive the fixed plate to move upwards through the corresponding optical axes and the sleeves, the fixed plate drives the parts at the bottom of the fixed plate to move upwards, the pedal plate moves upwards, a user lies on the top surface of the bed plate again to enable the back of the user to be opposite to the bottom surface of the fixed plate or push the fixed plate leftwards or rightwards according to different body types, the sleeves respectively slide along the corresponding optical axes to enable the fixed plate to be positioned right above the back of the user, the controller controls the electric hydraulic rods to shorten, the electric hydraulic rods drive the fixed plate to move downwards, the pedal plate moves downwards until the shortest distance between the bottom side of the pedal plate and the back of the user is 1 CM-1.5 CM, the controller stops controlling the shortening of the electric hydraulic rods, and at the moment, the pedal plate at the bottom side of the rotating shaft respectively corresponds to, then the controller controls the motor to start working, a rotating shaft of the motor drives a transmission shaft to rotate, the transmission shaft drives second bevel gears to rotate respectively, the second bevel gears are meshed with corresponding first bevel gears respectively, the first bevel gears drive input shafts of corresponding magnetic powder clutches to rotate respectively, a user controls the magnetic powder clutches in corresponding areas to be electrified through the controller according to parts needing to be massaged, the magnetic powder clutches in the areas start to transmit, output shafts of the magnetic powder clutches drive corresponding rotating shafts to rotate, the rotating shafts drive corresponding cams to rotate, bottom sides of the cams are respectively in contact fit with top sides of corresponding push plates and rotate downwards along with protruding portions of the cams, the corresponding push plates drive vertical rods to move downwards along shaft sleeves, springs are compressed, the vertical rods drive corresponding treadles to move downwards, and the bottom sides of the treadles are in contact fit with the parts needing to be massaged on the backs of the users, the treading pedal continuously rotates downwards along with the convex part of the cam, the treading pedal continuously presses the back of the user downwards until the convex part of the cam rotates upwards, the corresponding treading pedal is lifted again under the action of the elastic thrust of the spring, one-time simulation treading is completed, because the convex parts of the two cams at the periphery of the same rotating shaft are distributed in a half-cycle alternating manner, the actions of falling and lifting of the two treading pedals corresponding to the same rotating shaft are completed alternately, and the treading pedal in the area finishes treading massage on the part of the back of the user needing massage along with the continuous rotation of the rotating shaft; when the pressure value of pressure sensor monitoring of arbitrary department is greater than the setting value, the controller control motor outage, and the extension of controller control electro-hydraulic pressure pole simultaneously makes the pedal rebound, avoids the pedal to exert too big pressure for user's back, with user's back crushing, simultaneously, can set for pressure sensor's setting value respectively according to the difference that user's back bore pressure to satisfy different user's demand.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is an enlarged view of the left side view of FIG. 1; FIG. 3 is an enlarged view of section I of FIG. 1; FIG. 4 is an enlarged view of a portion II of FIG. 1; FIG. 5 is an enlarged view of a portion III of FIG. 1; FIG. 6 is an enlarged view of a portion IV of FIG. 2; fig. 7 is a partial enlarged view of v of fig. 2.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A bed capable of treading back comprises a bed plate 1, wherein four corners of the top surface of the bed plate 1 are fixedly connected with the lower ends of electric hydraulic rods 2 respectively, the upper end of the electric hydraulic rod 2 on the left side is fixedly connected with the upper end of the electric hydraulic rod 2 adjacent to the right side through an optical axis 3 respectively, the optical axis 3 is symmetrical front and back, sleeves 4 are sleeved on the peripheries of the optical axes 3 respectively, the sleeves 4 are symmetrical front and back, and the sleeves 4 can slide left and right along the corresponding optical axes 3 respectively; the bottom sides of the sleeves 4 are respectively fixedly connected with the top sides of the same fixed plate 5, a motor 6 is fixedly installed in the middle of the right end of the bottom side of the fixed plate 5, the left end of a rotating shaft of the motor 6 is fixedly connected with the right end of a driving shaft 7, a first shaft seat 8 is installed on the outer periphery bearing of the left end of the driving shaft 7, the first shaft seat 8 is fixedly connected with the middle of the left end of the bottom side of the fixed plate 5 through a first connecting rod 9, three rotating shafts 10 are respectively arranged on the front side and the rear side of the driving shaft 7, the rotating shaft 10 on the front side is respectively symmetrical with the rotating shaft 10 on the rear side in front and rear, a second shaft seat 11 is respectively installed on the outer end of the rotating shaft 10 in a bearing mode, the second shaft seat 11 is fixedly connected with the bottom side of the fixed plate 5 through a second connecting rod 12, the inner ends of the rotating shafts 10 are respectively fixedly connected, three second bevel gears 15 are fixedly arranged on the periphery of the transmission shaft 7, and the second bevel gears 15 are respectively meshed with the corresponding first bevel gears 14; the periphery of the rotating shaft 10 is respectively and fixedly provided with two cams 16, the convex parts of the two cams 16 on the periphery of the same rotating shaft 10 are alternatively distributed by half a circle, push plates 17 are respectively arranged under the cams 16, the top sides of the push plates 17 are respectively in contact fit with the bottom sides of the corresponding cams 16, the middle parts of the bottom surfaces of the push plates 17 are respectively and fixedly connected with the upper ends of the vertical rods 18, the middle parts of the peripheries of the vertical rods 18 are respectively sleeved with shaft sleeves 19, the peripheries of the shaft sleeves 19 are respectively and fixedly connected with the lower ends of brackets 24 which are bilaterally symmetrical, the upper ends of the brackets 24 are respectively and fixedly connected with the bottom sides of the fixed plates 5, the vertical rods 18 can respectively move up and down along the corresponding shaft sleeves 19, the upper parts of the peripheries of the vertical rods 18 are respectively sleeved with springs 20, the upper ends of the springs 20 are respectively and fixedly connected with, the bottom sides of the pressure sensors 21 are respectively and fixedly provided with a pedal 22, the left end of the top side of the bed plate 1 is fixedly provided with a controller 23, the pressure sensors 21 are respectively connected with the input end of the controller 23, and the magnetic powder clutch 13, the motor 6 and the electric hydraulic rod 2 are respectively connected with the output end of the controller 23. The back stepping device is simple in structure, low in production cost, convenient to use and operate, suitable for being arranged in public places, capable of adjusting the back stepping force by utilizing the cam mechanism to simulate back stepping in a pressing mode, capable of meeting requirements of different crowds, dividing the pedal into six areas corresponding to the upper part, the middle part and the lower part of the left side and the upper part, the middle part and the lower part of the right side of the back of a human body respectively, selecting the pedal in the corresponding area to perform back stepping according to the requirements of a user, or simultaneously performing back stepping in a plurality of areas, capable of accelerating the back stepping efficiency, capable of meeting market requirements, and suitable for. When the invention is used, firstly the device is electrified, then the controller 23 respectively controls the electric hydraulic rod 2 to extend simultaneously, the upper end of the electric hydraulic rod 2 respectively drives the fixing plate 5 to move upwards through the corresponding optical axis 3 and the sleeve 4, the fixing plate 5 drives the parts at the bottom of the fixing plate to move upwards, the pedal 22 moves upwards, a user leans on the top surface of the bed plate 1 again to ensure that the back of the user is just opposite to the bottom surface of the fixing plate 5, or the fixing plate 5 is pushed leftwards or rightwards according to different body types, the sleeve 4 respectively slides along the corresponding optical axis 3 to ensure that the fixing plate 5 is positioned right above the back of the user, then the controller 23 controls the electric hydraulic rod 2 to shorten, the electric hydraulic rod 2 drives the fixing plate 5 to move downwards, the pedal 22 moves downwards until the shortest distance between the bottom side of the pedal 22 and the back of the user is 1 CM-1.5 CM, and the controller 23 stops controlling the shortening of the, at this time, the pedal 22 at the bottom side of the rotating shaft 10 corresponds to six positions, namely, the upper, middle and lower, on the left side and the upper, middle and lower, on the right side of the back of a user respectively, the motor 6 is controlled to start to work by the controller 23, the rotating shaft of the motor 6 drives the transmission shaft 7 to rotate, the transmission shaft 7 drives the second bevel gears 15 to rotate respectively, the second bevel gears 15 are meshed and matched with the corresponding first bevel gears 14 respectively, the first bevel gears 14 drive the input shafts of the corresponding magnetic powder clutches 13 to rotate respectively, the user controls the magnetic powder clutches 13 in corresponding regions to be electrified by the controller 23 according to the positions to be massaged, the magnetic powder clutches 13 in the regions start to transmit, the output shafts of the magnetic powder clutches 13 drive the corresponding rotating shafts 10 to rotate, the rotating shafts 10 drive the corresponding cams 16 to rotate, the bottom sides of the cams 16 are respectively in contact and, the corresponding push plate 17 drives the vertical rod 18 to move downwards along the shaft sleeve 19, the spring 20 is compressed, the vertical rod 18 drives the corresponding pedal 22 to move downwards, the bottom side of the pedal 22 is in contact fit with a part of the back of a user needing to be massaged, the pedal 22 continuously rotates downwards along with the convex part of the cam 16, the back of the user is continuously pressed downwards by the pedal 22 until the convex part of the cam 16 rotates upwards, the corresponding pedal 22 is lifted again under the action of the elastic thrust of the spring 20 to finish one-time simulation of back treading, and because the convex parts of two cams 16 on the periphery of the same rotating shaft 10 are distributed in a half-cycle alternating mode, the falling and lifting actions of the two pedals 22 corresponding to the same rotating shaft 10 are alternately finished, and the pedal 22 in the area finishes treading massage on the part of the back of the user needing to be massaged along with the continuous rotation of the rotating; when the pressure value monitored by the pressure sensor 21 at any position is greater than the set value, the controller 23 controls the motor 26 to be powered off, and meanwhile, the controller 23 controls the electric hydraulic rod 2 to extend, so that the pedal 22 moves upwards, excessive pressure applied to the back of a user by the pedal 22 is avoided, the back of the user is crushed, and meanwhile, the set values of the pressure sensors 21 can be set respectively according to different pressures borne by the back of the user, so that the requirements of different users are met.

Specifically, as shown in the drawings, blind holes 25 are respectively formed in the bottom sides of the vertical rods 18 in the present embodiment, bilaterally symmetric bar-shaped sliding grooves 26 are respectively formed in the inner walls of the blind holes 25, sliding blocks 27 are respectively movably mounted in the bar-shaped sliding grooves 26, the sliding blocks 27 can respectively slide up and down along the corresponding bar-shaped sliding grooves 26, nuts 28 are respectively bearing-mounted on the bottom sides of the vertical rods 18, lead screws 29 are respectively screw-mounted in the nuts 28, the sliding blocks 27 are respectively fixedly connected with the upper ends of the peripheries of the corresponding lead screws 29, and the lower ends of the lead screws 29 are respectively fixedly connected with the top sides. The screw nuts 28 are respectively rotated, the screw rods 29 can respectively move upwards or downwards along the corresponding screw nuts 28, the corresponding pressure sensors 21 and the pedal 22 are respectively driven by the screw rods 29 to move upwards or downwards, and the distance between the bottom side of the pedal 22 and the back of a human body is respectively adjusted, so that the device can be suitable for people of various body types; while adjusting the pedal 22 downward can increase the force of the pedal, whereas adjusting the pedal 22 upward can decrease the force of the pedal.

Specifically, as shown in the drawings, a plurality of handles 30 are fixedly mounted on the outer periphery of the nut 28 according to the present embodiment. The handle 30 facilitates the user to directly rotate the screw nut 28 by hand, thereby increasing the user experience.

Further, as shown in the figure, two linear bearings 31 are respectively and movably installed on the periphery of the optical axis 3, the optical axis 3 can respectively move left and right along the corresponding linear bearings 31, and the inner ends of the linear bearings 31 are respectively and fixedly connected with the corresponding sleeves 4. Stability that the sleeve 4 moved about along optical axis 3 can be increased through linear bearing 31, rocks when avoiding sleeve 4 to move along the periphery of the optical axis 3 that corresponds respectively.

Furthermore, as shown in the drawings, the top sides of the sleeves 4 according to the present embodiment are respectively provided with threaded through holes 32, and bolts 33 are respectively threadedly mounted in the threaded through holes 32, and the lower ends of the bolts 33 can be respectively in contact fit with the top sides of the corresponding optical axes 3. The bolts 33 are screwed down respectively, so that the lower ends of the bolts 33 are in close contact fit with the top sides of the corresponding optical axes 3 respectively, and the sleeves 4 are prevented from moving along the corresponding optical axes 3 respectively.

Further, as shown in the drawings, latex pads 34 are fixedly mounted on the bottom sides of the pedals 22 respectively. The softness and comfort of the bottom side of the pedal 22 are increased.

Furthermore, as shown in the drawings, the top sides of the push plates 17 according to the present embodiment are respectively hinged to rollers 35, and the peripheries of the rollers 35 can be respectively in contact fit with the peripheries of the corresponding cams 16. When the cam 16 rotates, the periphery of the cam 16 is respectively in contact fit with the periphery of the corresponding roller 35, so that the abrasion of the periphery of the cam 16 on the top surface of the push plate 17 can be reduced, and the service lives of the cam 16 and the push plate 17 are prolonged.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A bed capable of being treaded on the back, which is characterized in that: the multifunctional electric bed table comprises a bed plate (1), wherein four corners of the top surface of the bed plate (1) are fixedly connected with the lower ends of electric hydraulic rods (2) respectively, the upper end of an electric hydraulic rod (2) on the left side is fixedly connected with the upper end of an electric hydraulic rod (2) adjacent to the right side through an optical axis (3), the optical axis (3) is symmetrical front and back, a sleeve (4) is sleeved on the periphery of the optical axis (3) respectively, the sleeve (4) is symmetrical front and back, and the sleeve (4) can slide left and right along the corresponding optical axis (3) respectively; the bottom sides of the sleeves (4) are respectively and fixedly connected with the top sides of the same fixed plate (5), a motor (6) is fixedly installed in the middle of the right end of the bottom side of the fixed plate (5), the left end of a rotating shaft of the motor (6) is fixedly connected with the right end of a transmission shaft (7), a first shaft seat (8) is installed on the outer periphery of the left end of the transmission shaft (7) in a bearing mode, the first shaft seat (8) is fixedly connected with the middle of the left end of the bottom side of the fixed plate (5) through a first connecting rod (9), three rotating shafts (10) are respectively arranged on the front side and the rear side of the transmission shaft (7), the rotating shaft (10) on the front side is respectively and longitudinally symmetrical with the rotating shaft (10) on the rear side, a second shaft seat (11) is respectively installed on the outer end of the rotating shaft (10) in a bearing mode, the second shaft seat (11) is respectively and fixedly, the magnetic powder clutch (13) is fixedly connected with the bottom side of the fixing plate (5) through a third connecting rod (36), the input shaft of the magnetic powder clutch (13) is fixedly provided with a first bevel gear (14), the periphery of the transmission shaft (7) is fixedly provided with three second bevel gears (15), and the second bevel gears (15) are respectively meshed with the corresponding first bevel gears (14); the periphery of a rotating shaft (10) is respectively and fixedly provided with two cams (16), the convex parts of the two cams (16) on the periphery of the same rotating shaft (10) are alternatively distributed in a half-cycle difference mode, push plates (17) are respectively arranged under the cams (16), the top sides of the push plates (17) are respectively in contact fit with the bottom sides of the corresponding cams (16), the middle of the bottom surface of each push plate (17) is respectively and fixedly connected with the upper end of a vertical rod (18), the middle parts of the peripheries of the vertical rods (18) are respectively sleeved with shaft sleeves (19), the peripheries of the shaft sleeves (19) are respectively and fixedly connected with the lower ends of bilaterally symmetrical brackets (24), the upper ends of the brackets (24) are respectively and fixedly connected with the bottom sides of fixed plates (5), the vertical rods (18) can respectively move up and down along the corresponding shaft sleeves (19), the upper parts of the peripheries of the vertical rods (18) are respectively sleeved with springs, the lower ends of the springs (20) are respectively fixedly connected with the top surfaces of the corresponding shaft sleeves (19), the lower ends of the vertical rods (18) are respectively fixedly provided with a pressure sensor (21), the bottom sides of the pressure sensors (21) are respectively fixedly provided with a pedal (22), the pedal (22) is divided into six areas which respectively correspond to the upper part, the middle part, the lower part and the upper part, the middle part and the lower part of the right side of the back of a human body, the left end of the top side of the bed plate (1) is fixedly provided with a controller (23), the pressure sensors (21) are respectively connected with the input end of the controller (23), and the magnetic powder clutch (13), the motor (6) and the electric hydraulic rod (2) are respectively connected with; the bottom side of montant (18) set up blind hole (25) respectively, bilateral symmetry's bar spout (26) are respectively seted up to the inner wall of blind hole (25), movable mounting slider (27) respectively in bar spout (26), slider (27) can slide from top to bottom along corresponding bar spout (26) respectively, the bottom side of montant (18) bearing installation screw (28) respectively, threaded mounting lead screw (29) respectively in screw (28), slider (27) respectively with the upper end fixed connection of lead screw (29) periphery that corresponds, the lower extreme of lead screw (29) respectively with the top side fixed connection of the pressure sensor (21) that corresponds.

2. A bed capable of being treaded on the back according to claim 1, wherein: and a plurality of handles (30) are fixedly arranged on the periphery of the screw nut (28) respectively.

3. A bed capable of being treaded on the back according to claim 1, wherein: the periphery of the optical axis (3) is movably provided with two linear bearings (31) respectively, the optical axis (3) can move left and right along the corresponding linear bearings (31) respectively, and the inner ends of the linear bearings (31) are fixedly connected with the corresponding sleeves (4) respectively.

4. A bed capable of being treaded on the back according to claim 1, wherein: the top side of the sleeve (4) is provided with a thread through hole (32), a bolt (33) is installed in the thread through hole (32) in a threaded mode, and the lower end of the bolt (33) can be in contact fit with the top side of the corresponding optical axis (3) respectively.

5. A bed capable of being treaded on the back according to claim 1, wherein: the bottom sides of the pedals (22) are respectively fixedly provided with latex pads (34).

6. A bed capable of being treaded on the back according to claim 1, wherein: the top sides of the push plates (17) are respectively hinged with the rollers (35), and the peripheries of the rollers (35) can be respectively in contact fit with the peripheries of the corresponding cams (16).