CN109247754B

CN109247754B - Mattress

Info

Publication number: CN109247754B
Application number: CN201811234450.1A
Authority: CN
Inventors: 不公告发明人
Original assignee: Fuyang Wanchun Furniture Co ltd
Current assignee: FUYANG WANCHUN FURNITURE Co.,Ltd.
Priority date: 2018-10-23
Filing date: 2018-10-23
Publication date: 2020-10-13
Anticipated expiration: 2038-10-23
Also published as: CN109247754A

Abstract

The invention discloses a mattress, which comprises a mattress, wherein an upper padding plate is arranged at the bottom of the mattress, a middle padding plate is movably arranged below the upper padding plate, a base plate is arranged below the middle padding plate, a first placing cavity is arranged on the base plate, a horizontally arranged transmission shaft is rotatably arranged in the first placing cavity, and a stepping motor is fixedly arranged on the inner wall of one side of the first placing cavity. The mattress provided by the invention is beneficial to people to adjust the height of the mattress according to actual needs, is simple to operate, is convenient and quick to adjust, and is convenient for people to use, meanwhile, due to the arrangement of the plurality of elastic structures, the elasticity is more sufficient and softer, more abundant experience can be provided for users, the mattress has a better damping and buffering effect in use, the overall comfort level is improved, meanwhile, the mattress can be rotated, the effect of changing the position of the mattress is further achieved, the use is convenient, and various requirements of the users can be met.

Description

Mattress

Technical Field

The invention relates to the technical field of household articles, in particular to a mattress.

Background

With the progress of the times, the mattress becomes one of important household resting furniture articles. At present, the spring soft mattress is mainly used. The spring soft mattress is a bedding made of springs and soft bedding material as inner core material and covered with fabric or soft mat and other material, and is a furniture product closely related to the life health of people.

And current spring mattress only has one deck elastic construction, and elasticity is not enough, can't give the user richer experience for the shock attenuation is hard on the contrary, the buffering effect is poor, and the height of mattress generally all is difficult to adjust moreover, perhaps adjusts more troublesome, if the position of mattress is not changed after long-time the use to mattress simultaneously, cause that the side that the user often slept to appear sunken easily, shortened the life of mattress, for this reason, we provide a mattress and are used for solving above-mentioned problem.

Disclosure of Invention

Based on the technical problems in the background art, the invention provides a mattress.

The invention provides a mattress, which comprises a mattress, wherein an upper padding plate is arranged at the bottom of the mattress, a middle padding plate is movably arranged below the upper padding plate, a base plate is arranged below the middle padding plate, a first placing cavity is arranged on the base plate, a horizontally arranged transmission shaft is rotatably arranged in the first placing cavity, a stepping motor is fixedly arranged on the inner wall of one side of the first placing cavity, an output shaft of the stepping motor is fixedly connected with one end of the transmission shaft, the other end of the transmission shaft is rotatably arranged on the inner wall of one side of the first placing cavity far away from the stepping motor, slide rails are symmetrically arranged on the inner wall of the bottom of the first placing cavity, slide seats are slidably arranged on the slide rails, a rotating seat is fixedly arranged at the top of the slide seats, a transmission slide bar fixedly arranged at the top of the slide seats is arranged on the inner side of the rotating seat, and the top end of the transmission slide bar extends into the spiral chute and is connected with the inner wall of the spiral chute in a sliding manner, the bottom of the middle layer backing plate is hinged with symmetrically arranged rotating frames in a rotating manner, the two rotating frames are integrally in a V-shaped structure, the bottom ends of the two rotating frames extend into the first placing cavity and are respectively connected with the two rotating seats in a rotating manner, the inner wall of the top of the first placing cavity is provided with a through hole, the two rotating frames rotate to penetrate through the through hole and extend to the outside of the through hole, the top ends of the rotating frames are rotatably connected with arc-shaped sliding blocks, the arc-shaped sliding blocks are slidably mounted at the bottom of the middle layer backing plate, one sides of the two rotating frames far away from each other are respectively rotatably mounted with connecting rods, one sides of the two connecting rods far away from each other are respectively rotatably mounted with a movable plate, the bottom of the, one ends of the two buffer springs, which are far away from each other, are fixedly connected with the inner walls of the two sides of the first placing cavity respectively;

a second placing cavity is arranged on the middle layer base plate, a supporting plate is movably arranged in the second placing cavity, the two sides of the supporting plate are respectively connected with the inner walls of the two sides of the second placing cavity in a sliding way, a plurality of movable columns are fixedly arranged at the top of the supporting plate, and a plurality of movable columns are arranged at equal intervals, the top ends of the movable columns penetrate through the upper part of the middle-layer base plate in a sliding way and are movably arranged at the bottom of the upper base plate, a first spring sleeved on the movable columns is fixedly connected between the bottom of the upper base plate and the top of the middle-layer base plate, a second spring sleeved on the movable column is fixedly connected between the top of the supporting plate and the inner wall of the top of the second placing cavity, elastic rings arranged at equal intervals are arranged in the second placing cavity, the top of each elastic ring is fixedly connected with the bottom of the corresponding supporting plate, and the bottom of each elastic ring is fixedly connected with the inner wall of the bottom of the second placing cavity;

a rotating rod is rotatably arranged on the inner wall of the bottom of the first placing cavity and is positioned between the two sliding rails, a gear is fixedly sleeved on the outer side of the rotating rod, the top of the rotating rod penetrates through the through hole and extends to the upper part of the base plate, a fixed plate is fixedly arranged at the top of the rotating rod, two symmetrical fixed grooves are arranged at the bottom of the fixed plate, L-shaped plates are slidably arranged on two sides of the rotating rod respectively, two fixed blocks matched with the fixed grooves are fixedly arranged on the L-shaped plates and are respectively positioned under the two fixed grooves, the top of the L-shaped plate is fixedly connected with the bottom of the middle-layer backing plate, a sliding plate is slidably arranged on the inner wall of the bottom of the first placing cavity and is positioned on one side of the sliding rails, a rack is fixedly arranged on one side of the sliding plate and is meshed with the gear, the thread groove is internally threaded with a screw rod, and one end of the screw rod penetrates through the inner wall of one side of the first placing cavity and extends to one side of the substrate.

Preferably, the inside of elasticity circle of playing is equipped with the third spring, and the top of third spring and the inner wall top fixed connection of elasticity circle of playing, the bottom of third spring and the inner wall bottom fixed connection of elasticity circle of playing.

Preferably, the bottom of the upper padding plate is provided with buffer grooves arranged at equal intervals, the top ends of the movable columns slide and extend into the buffer grooves, elastic pieces of Z-shaped structures are arranged in the buffer grooves, the top ends of the elastic pieces are fixedly connected with the inner wall of the top of the buffer grooves, and the bottom ends of the elastic pieces are fixedly connected with the top ends of the movable columns.

Preferably, all be equipped with first spacing spout on the both sides inner wall of dashpot, be located the both sides top of the activity post of dashpot and all fixedly be equipped with first spacing slider, and first spacing slider slidable mounting is in first spacing spout.

Preferably, a guide sliding hole is formed in the inner wall of the top of the second placing cavity, and the movable column movably penetrates through the guide sliding hole and is in sliding connection with the inner wall of the guide sliding hole.

Preferably, the inner walls of the two sides of the second placing cavity are respectively provided with a second limiting sliding groove, the two sides of the supporting plate are respectively provided with a second limiting sliding block, and the second limiting sliding blocks are slidably arranged in the second limiting sliding grooves.

Preferably, the bottom of the middle base plate is fixedly provided with an annular slide rail, the fixed connection position of the rotating rod and the middle base plate is located at the circular point position of the annular slide rail, and the arc-shaped slide block is connected with the annular slide rail in a sliding manner.

Preferably, one side of base plate is equipped with control switch, first the bottom inner wall of placing the chamber is equipped with the battery, and control switch and battery all with step motor electric connection.

Preferably, a bearing seat is fixedly installed on the inner wall of one side, away from the stepping motor, of the first placing cavity, and one end of the transmission shaft is rotatably installed on the bearing seat.

The invention has the beneficial effects that:

1. according to the invention, the stepping motor is started through the control switch, the stepping motor drives the transmission shaft to rotate, the transmission shaft drives the spiral chute on the transmission shaft to rotate when rotating, and the transmission slide bar slides with the inner wall of the spiral chute, so that the spiral chute on the transmission shaft drives the transmission slide bar to drive the slide seat and the rotating seat to move, the rotating seat drives the middle cushion plate to move up and down through the rotating frame and the arc-shaped slide block, and the middle cushion plate drives the upper cushion plate and the mattress pad to move up and down, so that the height of the mattress can be adjusted, and the mattress height adjusting device is beneficial to adjusting the height of the mattress according to actual needs, simple in operation, convenient and rapid in adjustment and convenient.

2. According to the invention, the mattress downwards extrudes the first spring through the upper cushion plate, and also extrudes the elastic sheet through the inner wall of the bottom of the buffer groove on the upper cushion plate, so that the effect of shock absorption and buffering can be achieved through the deformation of the first spring and the elastic sheet, and the elasticity is softer; meanwhile, when the elastic sheet is extruded, the movable column moves downwards, and the movable column drives the supporting plate to extrude the elastic ring and the third spring downwards, so that part of vibration force can be further consumed through the deformation of the elastic ring and the third spring, and the elasticity is more sufficient; still stimulate the second spring when the backup pad moves down, the second spring is by tensile deformation, through the deformation of second spring, also can consume a shaking force, has improved holistic comfort level, and through setting up a plurality of elastic construction like this, elasticity is more sufficient, and elasticity is softer, can give the user richer experience, also makes mattress in use have better shock attenuation buffering effect, has improved holistic comfort level.

3. When the user need rotate the mattress and reach the transfer position, at first utilize step motor's drive power, with middle level backing plate lifting, and the middle level backing plate can drive the L shaped plate and rise, when fixed block card on the L shaped plate goes into the fixed slot on the fixed plate, rotate the hob, the rotation of hob can drive the sliding plate and remove, and gear engaged with on rack on the sliding plate and the dwang, so can drive the dwang and rotate, the dwang can drive the middle level backing plate and rotate, and then can reach the function of transferring the position to the mattress, make the user can often alternate the position of falling asleep, reduce the mattress and appear sunken possibility.

4. The mattress provided by the invention is beneficial to people to adjust the height of the mattress according to actual needs, is simple to operate, is convenient and quick to adjust, and is convenient for people to use, meanwhile, due to the arrangement of the plurality of elastic structures, the elasticity is more sufficient and softer, more abundant experience can be provided for users, the mattress has a better damping and buffering effect in use, the overall comfort level is improved, meanwhile, the mattress can be rotated, the effect of changing the position of the mattress is further achieved, the use is convenient, and various requirements of the users can be met.

Drawings

FIG. 1 is a schematic view of a mattress according to the present invention;

FIG. 2 is an enlarged schematic view of part A of FIG. 1;

FIG. 3 is an enlarged view of the portion B in FIG. 1;

FIG. 4 is an enlarged view of the portion C of FIG. 3;

FIG. 5 is an enlarged view of portion D of FIG. 1;

FIG. 6 is a schematic view of a connection structure between an elastic coil and a third spring in the mattress according to the present invention;

FIG. 7 is a schematic view showing a connection structure of a sliding plate and a spiral rod in the mattress according to the present invention;

FIG. 8 is a structural bottom view of the ring-shaped slide rail and the arc-shaped slide block in the mattress according to the present invention;

fig. 9 is a side view of the engagement of the gear and the rack in the mattress according to the present invention.

In the figure: 1 mattress, 2 upper padding plates, 3 middle padding plates, 4 base plates, 5 first placing cavities, 6 stepping motors, 7 transmission shafts, 8 spiral sliding grooves, 9 transmission sliding rods, 10 sliding seats, 11 rotating seats, 12 sliding rails, 13 rotating frames, 14 arc sliding blocks, 15 bearing seats, 16 through holes, 17 second placing cavities, 18 supporting plates, 19 movable columns, 20 guide sliding holes, 21 second springs, 22 first springs, 23 buffer grooves, 24 elastic sheets, 25 elastic rings, 26 third springs, 27 second limiting sliding blocks, 28 second limiting sliding grooves, 29 first limiting sliding blocks, 30 first limiting sliding grooves, 31 control switches, 32 storage batteries, 33 rotating rods, 34 gears, 35 sliding plates, 36 racks, 37 threaded grooves, 38 spiral rods, 39 annular sliding rails, 40 connecting rods, 41 moving plates, 42 buffer springs, 43L-shaped plates, 44 fixed blocks, 45 fixed plates and 46 fixed grooves.

Detailed Description

The present invention will be further illustrated with reference to the following specific examples.

Examples

Referring to fig. 1-9, the present embodiment provides a mattress, which includes a mattress 1, an upper cushion plate 2 is disposed at the bottom of the mattress 1, a middle cushion plate 3 is movably mounted below the upper cushion plate 2, a base plate 4 is disposed below the middle cushion plate 3, a first placing cavity 5 is disposed on the base plate 4, a horizontally disposed transmission shaft 7 is rotatably mounted in the first placing cavity 5, a stepping motor 6 is fixedly mounted on an inner wall of one side of the first placing cavity 5, an output shaft of the stepping motor 6 is fixedly connected with one end of the transmission shaft 7, the other end of the transmission shaft 7 is rotatably mounted on an inner wall of one side of the first placing cavity 5 away from the stepping motor 6, slide rails 12 are symmetrically disposed on an inner wall of the bottom of the first placing cavity 5, a slide carriage 10 is slidably mounted on the slide rails 12, a rotation seat 11 is fixedly mounted at the top of the slide carriage 10, a transmission slide bar 9 fixedly mounted, spiral chutes 8 are symmetrically formed in the surface of the transmission shaft 7, the top ends of the transmission slide rods 9 extend into the spiral chutes 8 and are in sliding connection with the inner walls of the spiral chutes 8, the bottom of the middle cushion plate 3 is rotatably hinged with symmetrically-arranged rotating frames 13, the two rotating frames 13 are integrally in a V-shaped structure, the bottom ends of the two rotating frames 13 extend into the first placing cavity 5 and are respectively rotatably connected to the two rotating seats 11, a through hole 16 is formed in the inner wall of the top of the first placing cavity 5, the two rotating frames 13 rotatably penetrate through the through hole 16 and extend to the outside of the through hole 16, the top ends of the rotating frames 13 are rotatably connected with arc-shaped sliders 14, the arc-shaped sliders 14 are slidably mounted at the bottom of the middle cushion plate 3, connecting rods 40 are rotatably mounted on the sides, away from each other, and moving plates 41 are rotatably mounted on the sides, away from each other, the bottom of the moving plate 41 is connected with the inner wall of the bottom of the first placing cavity 5 in a sliding manner, one sides, far away from each other, of the two moving plates 41 are fixedly connected with buffer springs 42, and one ends, far away from each other, of the two buffer springs 42 are fixedly connected with the inner walls of the two sides of the first placing cavity 5 respectively;

a second placing cavity 17 is arranged on the middle layer backing plate 3, a supporting plate 18 is movably arranged in the second placing cavity 17, two sides of the supporting plate 18 are respectively connected with the inner walls of two sides of the second placing cavity 17 in a sliding way, a plurality of movable columns 19 are fixedly arranged at the top of the supporting plate 18, the movable columns 19 are arranged at equal intervals, the top ends of the movable columns 19 penetrate through the upper portion of the middle-layer base plate 3 in a sliding mode and are movably mounted at the bottom of the upper base plate 2, first springs 22 which are sleeved on the movable columns 19 are fixedly connected between the bottom of the upper base plate 2 and the top of the middle-layer base plate 3, second springs 21 which are sleeved on the movable columns 19 are fixedly connected between the top of the supporting plate 18 and the inner wall of the top of the second placing cavity 17, elastic rings 25 which are arranged at equal intervals are arranged in the second placing cavity 17, the top of each elastic ring 25 is fixedly connected with the bottom of the supporting plate 18, and the bottom of each elastic ring 25 is fixedly connected with the inner wall of the bottom of the second;

a rotating rod 33 is rotatably mounted on the inner wall of the bottom of the first placing cavity 5, the rotating rod 33 is positioned between the two sliding rails 12, a gear 34 is fixedly sleeved on the outer side of the rotating rod 33, the top of the rotating rod 33 penetrates through the through hole 16 and extends to the upper side of the base plate 4, a fixing plate 45 is fixedly mounted at the top of the rotating rod 33, two symmetrical fixing grooves 46 are formed in the bottom of the fixing plate 45, L-shaped plates 43 are respectively and slidably mounted on two sides of the rotating rod 33, two fixing blocks 44 matched with the fixing grooves 46 are fixedly mounted on the L-shaped plates 43, the two fixing blocks 44 are respectively positioned under the two fixing grooves 46, the top of the L-shaped plates 43 is fixedly connected with the bottom of the middle cushion plate 3, a sliding plate 35 is slidably mounted on the inner wall of the bottom of the first placing cavity 5, the sliding plate 35 is positioned on one side, one side of the sliding plate 35 is provided with a threaded groove 37, the threaded groove 37 is in threaded connection with a spiral rod 38, one end of the spiral rod 38 penetrates through the inner wall of one side of the first placing cavity 5 and extends to one side of the base plate 4, the mattress is convenient for people to adjust the height of the mattress according to actual needs, the operation is simple, the adjustment is convenient and fast, the use of people is convenient, meanwhile, due to the fact that a plurality of elastic structures are arranged, the elasticity is more sufficient, the elasticity is softer, richer experience can be provided for users, the mattress has a better damping and buffering effect in use, the integral comfort level is improved, meanwhile, the position of the mattress can be changed, the possibility that the mattress is sunken is reduced, and the service life of the mattress is prolonged.

Further, the inside of elasticity circle 25 is equipped with third spring 26, and the top of third spring 26 and the inner wall top fixed connection of elasticity circle 25, and the bottom of third spring 26 and the inner wall bottom fixed connection of elasticity circle 25 make elasticity circle 25 have better elasticity effect through setting up third spring 26, do benefit to the shock attenuation buffering and improve the travelling comfort.

Further, the bottom of upper padding plate 2 is equipped with the dashpot 23 that the equidistance interval set up, the top of activity post 19 slides and extends to in the dashpot 23, be equipped with the shell fragment 24 of "Z" style of calligraphy structure in the dashpot 23, the top of shell fragment 24 and the top inner wall fixed connection of dashpot 23, the bottom of shell fragment 24 and the top fixed connection of activity post 19, deformation through shell fragment 24, can be so that upper padding plate 2 and mattress 1 have better shock attenuation buffering effect, further improve the travelling comfort.

Further, all be equipped with first spacing spout 30 on the both sides inner wall of dashpot 23, the both sides top that is located the activity post 19 of dashpot 23 all is fixed and is equipped with first limit slide 29, and first limit slide 29 slidable mounting plays spacing effect to the activity of activity post 19 in dashpot 23 through setting up first limit slide 29 in first limit slide 30.

Furthermore, a guide sliding hole 20 is formed in the inner wall of the top of the second placing cavity 17, the movable column 19 movably penetrates through the guide sliding hole 20 and is in sliding connection with the inner wall of the guide sliding hole 20, and the movable column 20 can be guided to slide by the aid of the guide sliding hole 20.

Further, the second place all be equipped with the spacing spout 28 of second on the both sides inner wall of chamber 17, the both sides of backup pad 18 all are equipped with the spacing slider 27 of second, and the spacing slider 27 slidable mounting of second in the spacing spout 28 of second, through setting up the spacing slider 27 of second, can play spacing effect to the home range of backup pad 18.

Further, the bottom of the middle base plate 3 is fixedly provided with an annular slide rail 39, the fixed connection position of the rotating rod 33 and the middle base plate 3 is located at a dot position of the annular slide rail 39, the arc-shaped slider 14 is slidably connected with the annular slide rail 39, and the arc-shaped slider 14 and the annular slide rail 39 are beneficial to reducing the friction force when the middle base plate 3 rotates.

Further, one side of base plate 4 is equipped with control switch 31, is equipped with battery 32 on the first bottom inner wall of placing chamber 5, and control switch 31 and battery 32 all with step motor 6 electric connection, and control switch 31 is used for controlling step motor 6 work, and battery 32 provides the power for step motor 6.

Further, a bearing seat 15 is fixedly installed on the inner wall of one side, away from the stepping motor 6, of the first placing cavity 5, one end of the transmission shaft 7 is rotatably installed on the bearing seat 15, and the bearing seat 15 plays a role in rotatably supporting the transmission shaft 7.

In this embodiment, when the height of the mattress needs to be adjusted, the stepping motor 6 is started by the control switch 31 to operate, the stepping motor 6 drives the transmission shaft 7 to rotate, the transmission shaft 7 drives the spiral chute 8 on the transmission shaft 7 to rotate, the transmission slide bar 9 slides along the inner wall of the spiral chute 8, and the transmission slide bar 9 slides on the slide rail 12 through the slide seat 10, so that when the spiral chute 8 on the transmission shaft 7 rotates, the transmission slide bar 12 is driven to drive the slide seat 10 and the rotating seat 11 to move, the rotating seat 11 drives the middle cushion plate 3 to move up and down through the rotating frame 13 and the arc-shaped slide block 14, the middle cushion plate 3 drives the upper cushion plate 2 and the mattress 1 to move up and down, thereby adjusting the height of the mattress is achieved, which is beneficial for people to adjust the height of the mattress according to actual needs, and has simple operation, is convenient for people to use.

In the embodiment, when the mattress is in use, the mattress 1 presses the first spring 22 downwards through the upper cushion plate 2, and also presses the elastic sheet 24 through the inner wall at the bottom of the buffer groove 23 on the upper cushion plate 2, so that the effects of shock absorption and buffering can be achieved through the deformation of the first spring 22 and the elastic sheet 24, and the elasticity is softer; meanwhile, when the elastic sheet 24 is squeezed, the movable column 19 is enabled to move downwards, the movable column 19 drives the supporting plate 18 to squeeze the elastic ring 25 and the third spring 26 downwards, so that a part of vibration force can be further consumed through the deformation of the elastic ring 25 and the third spring 26, and the elasticity is more sufficient; still stimulate second spring 21 when backup pad 18 moves down, second spring 21 is by tensile deformation, through the deformation of second spring 21, also can consume a shaking force, has improved holistic comfort level, and through setting up a plurality of elastic construction like this, elasticity is more sufficient, and elasticity is softer, can give user's abundanter experience, also makes mattress in use have better shock attenuation buffering effect, has improved holistic comfort level.

In this embodiment, when the position of the mattress is changed, the middle mattress plate 3 is lifted by the driving force of the stepping motor 6, when the fixing block 44 on the L-shaped plate 43 is snapped into the fixing groove 46 on the fixing plate 45, the screw rod 38 is rotated, the screw rod 38 is screwed with the screw groove on the sliding plate 35, so that the rotational motion is converted into a linear motion, and further the screw rod 38 drives the sliding plate 35 to move, and the rack 36 on the sliding plate 35 is engaged with the gear 34 on the rotating rod 33, so that the gear 34 is driven to rotate, the gear 34 drives the rotating rod 33 to rotate, the rotating rod 33 drives the middle mattress plate 3 to rotate, and simultaneously, under the action of the arc-shaped sliding block 14 and the annular sliding rail 39, the friction force generated when the middle mattress plate 3 rotates can be reduced, thereby achieving the function of changing the position of the mattress, so that the user can often change the sleeping position, the possibility of the mattress sinking is reduced, and the service life of the mattress is prolonged.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A mattress comprises a mattress (1) and is characterized in that an upper padding plate (2) is arranged at the bottom of the mattress (1), a middle padding plate (3) is movably arranged below the upper padding plate (2), a base plate (4) is arranged below the middle padding plate (3), a first placing cavity (5) is arranged on the base plate (4), a transmission shaft (7) horizontally arranged is rotatably arranged in the first placing cavity (5), a stepping motor (6) is fixedly arranged on the inner wall of one side of the first placing cavity (5), an output shaft of the stepping motor (6) is fixedly connected with one end of the transmission shaft (7), the other end of the transmission shaft (7) is rotatably arranged on the inner wall of one side of the first placing cavity (5) far away from the stepping motor (6), slide rails (12) are symmetrically arranged on the inner wall of the bottom of the first placing cavity (5), and a slide seat (10) is slidably arranged on the slide rails (12), the top fixed mounting of slide (10) has rotation seat (11), the inboard of rotating seat (11) is equipped with transmission slide bar (9) of fixed mounting at slide (10) top, spiral chute (8) have been seted up to the surface symmetry of transmission shaft (7), and the top of transmission slide bar (9) extend to in spiral chute (8) and with the inner wall sliding connection of spiral chute (8), the bottom of middle level backing plate (3) rotates to articulate has swivel mount (13) that the symmetry set up, and two swivel mounts (13) are whole to be "V" font structure, the bottom of two swivel mounts (13) all extends to first place in the chamber (5) and rotate respectively and connect on two rotation seats (11), first place be equipped with through hole (16) on the top inner wall of chamber (5), and two swivel mounts (13) all rotate run through hole (16) and extend to the outside of through hole (16), the top ends of the rotating frames (13) are rotatably connected with arc-shaped sliding blocks (14), the arc-shaped sliding blocks (14) are slidably mounted at the bottom of the middle-layer base plate (3), connecting rods (40) are rotatably mounted at the sides, away from each other, of the two rotating frames (13), moving plates (41) are rotatably mounted at the sides, away from each other, of the two connecting rods (40), the bottoms of the moving plates (41) are slidably connected with the inner wall of the bottom of the first placing cavity (5), buffer springs (42) are fixedly connected at the sides, away from each other, of the two moving plates (41), and one ends, away from each other, of the two buffer springs (42) are fixedly connected with the inner walls of the two sides of;

the middle-layer backing plate (3) is provided with a second placing cavity (17), the second placing cavity (17) is internally and movably provided with a supporting plate (18), two sides of the supporting plate (18) are respectively in sliding connection with inner walls of two sides of the second placing cavity (17), the top of the supporting plate (18) is fixedly provided with a plurality of movable columns (19), the movable columns (19) are arranged at equal intervals, the top ends of the movable columns (19) slide through the upper part of the middle-layer backing plate (3) and are movably arranged at the bottom of the upper backing plate (2), a first spring (22) sleeved on the movable column (19) is fixedly connected between the bottom of the upper backing plate (2) and the top of the middle-layer backing plate (3), and a second spring (21) sleeved on the movable column (19) is fixedly connected between the top of the supporting plate (18) and the inner wall of the top of the second placing cavity (17), elastic rings (25) are arranged in the second placing cavity (17) at equal intervals, the top of each elastic ring (25) is fixedly connected with the bottom of the support plate (18), and the bottom of each elastic ring (25) is fixedly connected with the inner wall of the bottom of the second placing cavity (17);

first place rotate on the bottom inner wall of chamber (5) and install dwang (33), and dwang (33) is located between two slide rails (12), the fixed cover in the outside of dwang (33) is equipped with gear (34), the top of dwang (33) is run through hole (16) and is extended to the top of base plate (4), the top fixed mounting of dwang (33) has fixed plate (45), the bottom of fixed plate (45) is equipped with two fixed slots (46) of symmetry, the equal slidable mounting in both sides of dwang (33) has L shaped plate (43), fixed mounting has two fixed block (44) with fixed slot (46) looks adaptation on L shaped plate (43), and two fixed block (44) are located under two fixed slots (46) respectively, the top of L shaped plate (43) and the bottom fixed connection of middle level backing plate (3), a sliding plate (35) is slidably mounted on the inner wall of the bottom of the first placing cavity (5), the sliding plate (35) is located on one side of the sliding rail (12), a rack (36) is fixedly mounted on one side of the sliding plate (35), a gear (34) is meshed with the rack (36), a threaded groove (37) is formed in one side of the sliding plate (35), a screw rod (38) is connected to the threaded groove (37) in an internal thread mode, and one end of the screw rod (38) penetrates through the inner wall of one side of the first placing cavity (5) and extends to one side of the base plate (4);

the bottom of the upper backing plate (2) is provided with buffer grooves (23) which are arranged at equal intervals, the top ends of the movable columns (19) extend into the buffer grooves (23) in a sliding mode, elastic sheets (24) of Z-shaped structures are arranged in the buffer grooves (23), the top ends of the elastic sheets (24) are fixedly connected with the inner wall of the top of the buffer grooves (23), and the bottom ends of the elastic sheets (24) are fixedly connected with the top ends of the movable columns (19);

the bottom fixed mounting of middle level backing plate (3) has annular slide rail (39), and the fixed connection department of dwang (33) and middle level backing plate (3) is located the dot position of annular slide rail (39), arc slider (14) and annular slide rail (39) sliding connection.

2. A mattress according to claim 1, wherein the elastic band (25) is internally provided with a third spring (26), the top end of the third spring (26) is fixedly connected with the top of the inner wall of the elastic band (25), and the bottom end of the third spring (26) is fixedly connected with the bottom of the inner wall of the elastic band (25).

3. The mattress according to claim 1, wherein the inner walls of the two sides of the buffer groove (23) are provided with first limiting sliding grooves (30), the tops of the two sides of the movable column (19) in the buffer groove (23) are provided with first limiting sliding blocks (29), and the first limiting sliding blocks (29) are slidably mounted in the first limiting sliding grooves (30).

4. The mattress according to claim 1, characterized in that the top inner wall of the second placing cavity (17) is provided with a guiding slide hole (20), and the movable column (19) movably penetrates through the guiding slide hole (20) and is connected with the inner wall of the guiding slide hole (20) in a sliding way.

5. A mattress according to claim 1, wherein the inner walls of the two sides of the second placing cavity (17) are provided with second limiting sliding grooves (28), the two sides of the supporting plate (18) are provided with second limiting sliding blocks (27), and the second limiting sliding blocks (27) are slidably mounted in the second limiting sliding grooves (28).

6. A mattress according to claim 1, characterized in that one side of the base plate (4) is provided with a control switch (31), the inner wall of the bottom of the first placing cavity (5) is provided with a storage battery (32), and the control switch (31) and the storage battery (32) are electrically connected with the stepping motor (6).

7. A mattress according to claim 1, characterized in that a bearing seat (15) is fixedly arranged on the inner wall of the first placing cavity (5) far away from the stepping motor (6), and one end of the transmission shaft (7) is rotatably arranged on the bearing seat (15).