CN112046352A

CN112046352A - Automobile seat

Info

Publication number: CN112046352A
Application number: CN202011152599.2A
Authority: CN
Inventors: 马程
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2020-12-08

Abstract

The invention discloses an automobile seat and relates to the technical field of automobile seat design. Comprises a seat frame, an adjusting device, a fixing device, a massage device, a safety device and a cushion, wherein the seat frame comprises a backup plate and a bottom plate, the backup plate is movably connected with the bottom plate, the adjusting device is arranged on the bottom plate, the fixing device is arranged on the adjusting device, the massage device is arranged on the backup plate, the safety device is arranged on the surface of the seat frame, the cushion is arranged on the seat frame, the gear is fixed by the left-right rotation of the switching rod to drive the two fixing plates to move, when the seat is used by an adult, the switching rod is rotated to move the fixing plate into the fixing groove to fix the first seat plate and the second seat plate together, thereby facilitating the use of the adult, when child used, take out the fixed plate from the fixed slot, make the second seat can rotate, make things convenient for child to use, solved among the prior art child seat installation loaded down with trivial details, difficult problem of dismantling moreover.

Description

Automobile seat

Technical Field

The invention relates to the technical field of automobile seat design, in particular to an automobile seat.

Background

Present child seat generally is independent design, and an independent child seat will occupy car back row seat nearly half the space, moreover because the volume is too big, fixed child seat is all consuming time and the operation degree of difficulty is big at every turn, generally can not dismantle easily, so just even child does not take a bus, and vacant child seat still places the back row, if can fuse child seat's design in car seat, can effectively reduce the occupation in back row space.

Disclosure of Invention

The invention aims to provide an automobile seat to solve the technical problems that a child seat in the prior art is inconvenient to use and large in occupied area.

The invention provides an automobile seat which comprises a seat frame, an adjusting device, a fixing device, a massaging device, a safety device and a cushion, wherein the seat frame comprises a backup plate and a bottom plate, the backup plate is movably connected with the bottom plate, the adjusting device is arranged on the bottom plate, the fixing device is arranged on the adjusting device, the massaging device is arranged on the backup plate, the safety device is arranged on the surface of the seat frame, and the cushion is arranged on the seat frame.

Furthermore, the adjusting device comprises a first seat plate, a second seat plate, supporting columns, first springs, first supporting rods, toothed strips, second supporting rods, adjusting gears and second springs, the first seat plate is placed above the bottom plate, the first seat plate is movably connected with the second seat plate, the number of the second seat plates is two, the two second seat plates are symmetrically arranged on two sides of the first seat plate, one end of each supporting column is fixedly connected to the surface of the bottom plate, the other end of each supporting column is movably connected with the bottom plate, the first springs are sleeved on the supporting columns, the number of the supporting columns and the number of the first springs are four, the four supporting columns and the four first springs are symmetrically arranged at the bottom of the bottom plate, one end of each first supporting rod is fixedly connected to the bottom of the first seat plate, and the other end of each first supporting rod penetrates through a cavity formed in the bottom plate and is movably connected with the bottom plate, tooth's socket has been seted up to the side of first bracing piece, first bracing piece is provided with two, two the setting of first bracing piece symmetry is at the lower extreme of bottom plate, the profile of tooth strip place in the inside of bottom plate and with bottom plate swing joint, the profile of tooth strip is placed two the center department of first bracing piece, the one end of second bracing piece is rotated and is connected in the bottom of second seat, the other end of second bracing piece passes the cavity on the bottom plate and with bottom plate swing joint, the tooth's socket has been seted up to the side of second bracing piece, the second bracing piece is provided with four, two the second bracing piece symmetry sets up in the both sides of profile of tooth strip, four the second bracing piece symmetry sets up in two the bottom of second seat, adjusting gear swing joint is in the bottom plate, adjusting gear is provided with threely, first adjusting gear sets up the one end that first bracing piece was seted up in tooth's socket and with two first bracing piece and profile of tooth strip meshing The seat plate is provided with a first seat plate and a second seat plate, the first seat plate is provided with a first supporting rod, the second seat plate is provided with a second supporting rod, the second seat plate is provided with a tooth-shaped strip, the second seat plate is provided with a second supporting rod, the tooth-shaped strip is meshed with the first supporting rod, the second seat plate is provided with a second supporting rod, the second seat plate is provided with.

Furthermore, the tooth grooves on the two second supporting rods are arranged in the same direction and are opposite to the tooth grooves on the first supporting rod in direction.

Further, fixing device is including placing chamber, fixed plate, fixed gear, switching pole and fixed slot, it sets up in first seat to place the chamber, the fixed plate with place chamber swing joint, the tooth's socket has been seted up to the side of fixed plate one end, the fixed plate is seted up the one end of tooth's socket and is close to the inside of placing the chamber, the fixed plate is equipped with two, two the intracavity is being placed to the fixed plate symmetry, the fixed gear is placed two the center department of fixed plate, the fixed gear with two the fixed plate meshing is connected, the pivot of fixed gear passes first seat fixed connection in the side of switching pole one end, two the fixed slot has been seted up to one side that the second seat is close to first seat.

Further, the massage device comprises two motion assemblies and massage assemblies, the two motion assemblies are symmetrically arranged on the backup plate, each motion assembly comprises a placing plate, a motor, a threaded rod, a sliding block, a moving groove, a moving block, rollers, a protective shell and a belt, the placing plate is fixedly arranged in the backup plate, the motor is fixedly connected to the placing plate, one end of the threaded rod is fixedly connected to the output end of the motor, one end of the sliding block is provided with a threaded hole, the sliding block is sleeved on the threaded rod and is in threaded connection with the threaded rod, the placing plate is provided with a moving groove which is parallel to the threaded rod, the moving block is arranged in the moving groove and is movably connected with the moving groove, the number of the rollers is four, the two rollers are symmetrically and fixedly connected to the two ends of the placing plate, and the other two rollers are symmetrically and fixedly arranged at the two ends of the moving block, the protective housing is fixedly connected to the placing plate, the belt penetrates through the sliding block and is fixedly connected with the sliding block, two ends of the belt penetrate through the outer sides of the two idler wheels on the placing plate respectively and penetrate through the inner sides of the two idler wheels on the moving block, one ends of two ends, penetrating out of the belt on the two moving assemblies, of the two moving assemblies are connected with each other, and the other end of the belt is fixedly connected to the massage assembly.

Further, the massage subassembly includes horizontal pole, massage cylinder, third spring and massage head, the both ends fixed connection of horizontal pole is on two movable blocks, the massage cylinder cover is established on the horizontal pole and with horizontal pole swing joint, the one end of belt respectively fixed connection is in the both sides of massage cylinder on two motion subassemblies, the third spring cover is established on the output of massage cylinder, the one end fixed connection of third spring is on the massage cylinder, massage head fixed connection is on the other end of third spring.

Further, safety device includes bull stick, handle, little dining table and safety belt, the one end of bull stick is rotated and is connected in one side of bottom plate, the opposite side of bull stick is rotated and is connected in the center department of handle, bull stick and handle are provided with two, two bull stick and two the handle symmetry sets up the both sides at the bottom plate, little dining table detachable installs two on the handle, the safety belt is provided with five, four the safety belt symmetry sets up the side at the backup plate, remains one the safety belt sets up the side at the bottom plate.

Further, the cushion is arranged above the adjusting device and on the backup plate.

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

firstly, the switching rod is utilized to rotate the fixed gear left and right to drive the two fixed plates to move, when the chair is used by an adult, the switching rod is rotated to enable the fixed plates to move into the fixed grooves, the first seat plate and the second seat plate are fixed together, the chair is convenient for the adult to use, when a child uses the chair, the fixed plates are pulled out of the fixed grooves, the second seat plate can rotate, the chair is convenient for the child to use, and the problems that a child chair in the prior art is complex to install and is not easy to detach are solved.

Secondly, in the invention, the tooth-shaped strips are used for meshing the three adjusting gears, and the tooth grooves with the direction opposite to that of the upper part of the first supporting column are formed in the second supporting columns, so that the first seat plate descends when a child sits down, the two second seat plates rotate upwards, the seat is more suitable for the body of the child, the fixing effect is realized on the child, and the safety problem caused by unstable fixation of the child on the seat is prevented.

Thirdly, the mounting component can move in all directions by adjusting the rotation of the output ends of the two motors, so that people can massage in all directions conveniently.

Drawings

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

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

FIG. 2 is a partial schematic structural view of the present invention;

fig. 3 is a partial cross-sectional view of the massage device of the present invention;

FIG. 4 is a cross-sectional structural view of the base plate of the present invention;

FIG. 5 is a sectional view of the first and second seat plates according to the present invention;

FIG. 6 is an enlarged view of the point A in FIG. 3;

FIG. 7 is an enlarged view of the point B in FIG. 4;

fig. 8 is an enlarged view of C in fig. 5.

Reference numerals: the seat frame 1, the backrest 11, the bottom plate 12, the adjusting device 2, the first seat plate 21, the second seat plate 22, the support column 23, the first spring 24, the first support rod 25, the toothed strip 26, the second support rod 27, the adjusting gear 28, the second spring 29, the fixing device 3, the placing cavity 31, the fixing plate 32, the fixed gear 33, the switching rod 34, the fixing groove 35, the massaging device 4, the moving component 41, the placing plate 411, the motor 412, the threaded rod 413, the sliding block 414, the moving groove 415, the moving block 416, the roller 417, the protective shell 418, the belt 419, the massaging component 42, the cross rod 421, the massaging cylinder 422, the third spring 423, the massaging head 424, the safety device 5, the rotating rod 51, the handle 52, the small dining table 53, the safety belt 54 and the cushion 6.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.

The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 8, the present invention provides an automobile seat, including a seat frame 1, an adjusting device 2, a fixing device 3, a massage device 4, a safety device 5 and a cushion 6, where the seat frame 1 includes a backrest 11 and a bottom plate 12, the backrest 11 is movably connected to the bottom plate 12, the adjusting device 2 is disposed on the bottom plate 12, the fixing device 3 is disposed on the adjusting device 2, the massage device 4 is disposed on the backrest 11, the safety device 5 is disposed on a surface of the seat frame 1, and the cushion 6 is disposed on the seat frame 1.

The adjusting device 2 comprises a first seat plate 21, a second seat plate 22, supporting columns 23, first springs 24, first supporting rods 25, a toothed bar 26, a second supporting rod 27, an adjusting gear 28 and second springs 29, wherein the first seat plate 21 is placed above the bottom plate 12, the first seat plate 21 is movably connected with the second seat plate 22, the number of the second seat plates 22 is two, the two second seat plates 22 are symmetrically arranged at two sides of the first seat plate 21, one end of each supporting column 23 is fixedly connected to the surface of the bottom plate 12, the other end of each supporting column 23 is movably connected with the bottom plate 12, the first springs 24 are sleeved on the supporting columns 23, the number of the supporting columns 23 and the number of the first springs 24 are four, the four supporting columns 23 and the four first springs 24 are symmetrically arranged at the bottom of the bottom plate 12, one end of each supporting rod 25 is fixedly connected to the bottom of the first seat plate 21, the other end of the first support rod 25 penetrates through a cavity formed in the bottom plate 12 to be movably connected with the bottom plate 12, a tooth socket is formed in the side end of the first support rod 25, two first support rods 25 are symmetrically arranged at the lower end of the bottom plate 12, the tooth-shaped strip 26 is placed inside the bottom plate 12 and movably connected with the bottom plate 12, the tooth-shaped strip 26 is placed at the center of the two first support rods 25, one end of the second support rod 27 is rotatably connected to the bottom end of the second seat plate 22, the other end of the second support rod 27 penetrates through the cavity formed in the bottom plate 12 and is movably connected with the bottom plate 12, the tooth socket is formed in the side end of the second support rod 27, four second support rods 27 are symmetrically arranged at two sides of the second support rod 27, the four second support rods 27 are symmetrically arranged at the bottoms of the two second seat plates 22, the adjusting gears 28 are movably connected in the bottom plate 12, three adjusting gears 28 are provided, a first adjusting gear 28 is provided at one end of the first supporting rod 25, which is provided with a tooth socket, and is engaged with two first supporting rods 25 and the tooth-shaped strip 26, the remaining two adjusting gears 28 are engaged with the second supporting rods 27 and the tooth-shaped strip 26 on the two second seat plates 22, respectively, six second springs 29 are provided, one ends of the six second springs 29 are fixedly connected to the bottoms of the two first supporting rods 25 and the four second supporting rods 27, respectively, the other ends of the six second springs 29 are fixedly connected with the bottom plate 12, and the adjusting gears 28 are engaged with the tooth sockets on the first supporting rods 25, so that when a child sits down, the first seat plate 21 is pressed down, the first supporting rod 25 below the first seat plate 21 moves downward, the toothed bar 26 is driven to move, the toothed bar 26 drives the second supporting rod 27 to move upwards through the transmission of the adjusting gear 28, the second supporting rod 27 moves upwards to lift one end, far away from the first seat plate 21, of the second seat plate 22, the two second seat plates 22 wrap the child, the child is fixed, the safety problem caused by the fact that the child is not stably fixed on the seat is prevented, and the first spring 24 and the first supporting rod 25 under the first seat plate 21 and the second spring 29 under the second supporting rod 27 can play a role in shock absorption for passengers during the driving of the vehicle.

Two tooth's socket syntropy on the second bracing piece 27 sets up and is opposite with the tooth's socket direction on the first bracing piece 25, and its effect lies in, when first bracing piece 25 downstream, drives profile of tooth strip 26 through adjusting gear 28 and removes to a direction, lets profile of tooth strip 26 drive adjusting gear 28 under the second seat 22 and rotates, through the opposite tooth's socket of first bracing piece 25 on the second bracing piece 27 and adjusting gear 28 meshing, lets second bracing piece 27 upward movement, makes second seat 22 parcel child.

The fixing device 3 comprises a placing cavity 31, two fixing plates 32, two fixed gears 33, a switching rod 34 and two fixing grooves 35, the placing cavity 31 is formed in the first seat plate 21, the fixing plates 32 are movably connected with the placing cavity 31, the side surface of one end of each fixing plate 32 is provided with a tooth socket, one end of each fixing plate 32, which is provided with the tooth socket, is close to the inside of the placing cavity 31, the two fixing plates 32 are symmetrically arranged in the placing cavity 31, the fixed gears 33 are arranged at the centers of the two fixing plates 32, the fixed gears 33 are meshed and connected with the two fixing plates 32, the rotating shaft of each fixed gear 33 penetrates through the first seat plate 21 and is fixedly connected to the side surface of one end of the switching rod 34, the side of each second seat plate 22, which is close to the first seat plate 21, is provided with the fixing grooves 35, and the function that when an adult uses the seat, the fixing plates 32 on the first seat plate 21 are inserted into the, make first seat 21 and second seat 22 fixed connection together, make things convenient for the adult to use normally, when child uses, rotate switching rod 34, drive fixed gear 33 and rotate and make two fixed plate 32 inward movement makes fixed plate 32 leave fixed slot 35, first seat 21 and second seat 22 swing joint just can carry out suitable adjustment to child through adjusting device 2 when child uses, make things convenient for child to use, have made things convenient for the fast switch-over when equipment normal use.

The massage device 4 comprises two motion assemblies 41 and massage assemblies 42, the two motion assemblies 41 are symmetrically arranged on the backup plate 11, each of the two motion assemblies 41 comprises a placing plate 411, a motor 412, a threaded rod 413, a sliding block 414, a moving groove 415, a moving block 416, a roller 417, a protective shell 418 and a belt 419, the placing plate 411 is fixedly arranged in the backup plate 11, the motor 412 is fixedly connected to the placing plate 411, one end of the threaded rod 413 is fixedly connected to the output end of the motor 412, one end of the sliding block 414 is provided with a threaded hole, the sliding block 414 is sleeved on the threaded rod 413 and is in threaded connection with the threaded rod 413, the placing plate 411 is provided with the moving groove 415 and is parallel to the threaded rod 413, the moving block 416 is placed in the moving groove 415 and is movably connected with the moving groove 415, four rollers 417 are arranged, the two rollers 417 are symmetrically and fixedly connected to two ends of the placing plate 411, the other two rollers 417 are symmetrically and fixedly disposed at two ends of the moving block 416, the protective shell 418 is fixedly connected to the placing plate 411, the belt 419 passes through the sliding block 414 and is fixedly connected to the sliding block 414, two ends of the belt 419 respectively pass through the outer sides of the two rollers 417 on the placing plate 411 and then pass through the inner sides of the two rollers 417 on the moving block 416, one end of each of the two ends through which the belt 419 on the two moving components 41 passes is connected to each other, the other end of the belt 419 is fixedly connected to the massage component 42, and the function is that the output end of the motor 412 rotates to drive the threaded rod 413 to rotate, so that the sliding block 414 on the threaded rod 413 moves back and forth to drive the belt 419 to move, and when the output ends of the two motors 412 rotate, the massage component 42 is controlled to move up and down, when the output ends of the two motors 412 rotate in different directions, the opposite directions of the sliding blocks 414 move to drive the massage component 42 on the belt 419 to move left and right, and the multi-directional movement of the massage component 42 can be realized by adjusting the rotating speed of the output ends of the two motors 412.

Massage subassembly 42 includes horizontal pole 421, massage cylinder 422, third spring 423 and massage head 424, the both ends fixed connection of horizontal pole 421 is on two movable blocks 416, massage cylinder 422 cover establish on horizontal pole 421 and with horizontal pole 421 swing joint, the one end of belt 419 is fixed connection respectively in the both sides of massage cylinder 422 on two motion subassemblies 41, third spring 423 cover is established on the output of massage cylinder 422, the one end fixed connection of third spring 423 is on massage cylinder 422, massage head 424 fixed connection is on the other end of third spring 423, and its effect lies in, when motion subassembly 41 drove massage subassembly 42 all-round motion, drives massage head 424 reciprocating motion through massage cylinder 422 output, and the cooperation motion subassembly 41 carries out the omnidirectional massage to the people.

The safety device 5 comprises a rotating rod 51, a handle 52, a small dining table 53 and a safety belt 54, one end of the rotating rod 51 is rotatably connected to one side of the base plate 12, the other end of the rotating rod 51 is rotatably connected to the center of the handle 52, the number of the rotating rods 51 and the handles 52 is two, the two rotating rods 51 and the two handles 52 are symmetrically arranged at two sides of the bottom plate 12, the small dining table 53 is detachably mounted on the two handles 52, the safety belts 54 are provided with five, four safety belts 54 are symmetrically arranged at the side end of the backup plate 11, the other safety belt 54 is arranged at the side end of the bottom plate 12, the function is that the handle 52 can be lifted by rotating the rotating rod 51, which is convenient for adults to place hands, when children sit, the child is fixed through a five-point safety belt 54, and a small dining table 53 is arranged on the handle 52, so that the child can play conveniently, and crying is reduced.

The cushion 6 is arranged above the adjusting device 2 and on the backup plate 11, and the function of the cushion 6 is that the device can be protected from being exposed outside, and the comfort of people in riding is enhanced.

The working principle is as follows: when a child sits down, the first seat plate 21 is pressed down, the first supporting rod 25 below the first seat plate 21 moves downwards, the toothed bar 26 is meshed and connected with the adjusting gear 28 through the toothed groove on the first supporting rod 25 and then drives the toothed bar 26 to move, the toothed bar 26 drives the second supporting rod 27 to move upwards through the transmission of the adjusting gear 28, the second supporting rod 27 moves upwards to lift one end, away from the first seat plate 21, of the second seat plate 22, the two second seat plates 22 wrap the child and play a role in fixing the child, so that the safety problem caused by the fact that the child is not stably fixed on the seat is prevented, the first spring 24 below the first seat plate 21, the first supporting rod 25 and the second spring 29 below the second supporting rod 27 can play a role in damping the passenger during the driving of the vehicle, when the first supporting rod 25 moves downwards, the toothed bar 26 is driven to move towards one direction through the adjusting gear 28, so that the toothed bar 26 drives the adjusting gear 28 below the second seat plate 22 to rotate, the tooth socket opposite to the first supporting rod 25 on the second supporting rod 27 is meshed with the adjusting gear 28, so that the second supporting rod 27 moves upwards, the second seat plate 22 wraps a child, when the adult uses the seat, the fixing plate 32 on the first seat plate 21 is inserted into the fixing groove 35, the first seat plate 21 and the second seat plate 22 are fixedly connected together, so that the adult can use the seat conveniently, when the child uses the seat, the switching rod 34 is rotated to drive the fixing gear 33 to rotate so that the two fixing plates 32 move inwards, the fixing plates 32 are separated from the fixing groove 35, the first seat plate 21 and the second seat plate 22 are movably connected, when the child uses the seat, the child can be properly adjusted through the adjusting device 2, so that the child can use the seat conveniently, the fast switching of the device in normal use is facilitated, the output end of the motor 412 rotates to drive the threaded rod 413 to rotate, so that the sliding block 414 on the threaded rod 413 moves back and forth, the belt 419 is driven to move, when the output ends of the two motors 412 rotate in the same direction, the two sliders 414 are driven to move up and down simultaneously to control the massage component 42 to move up and down, when the output ends of the two motors 412 rotate in different directions, the massage component 42 on the belt 419 is driven to move left and right through the movement of the sliders 414 in opposite directions, the multi-directional movement of the massage component 42 can be realized by adjusting the rotating speed of the output ends of the two motors 412, when the movement component 41 drives the massage component 42 to move in all directions, the massage head 424 is driven to reciprocate through the output end of the massage cylinder 422, the person is massaged in all directions by matching with the movement component 41, the handle 52 can be lifted up by rotating the rotating rod 51, the adult can place the hand conveniently, when the child sits, the child is fixed through the five-point safety belt 54, the small dining table 53 is installed on the, the cushion 6 protects the device from exposure and enhances the comfort of the person sitting.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A car seat, comprising a cushion (6) and a small dining table (53), characterized in that: still include seat frame (1), adjusting device (2), fixing device (3), massage device (4) and safety device (5), seat frame (1) is including backup plate (11) and bottom plate (12), backup plate (11) and bottom plate (12) swing joint, adjusting device (2) set up on bottom plate (12), fixing device (3) set up on adjusting device (2), massage device (4) set up on backup plate (11), safety device (5) set up the surface in seat frame (1), mat (6) set up on seat frame (1).

2. A car seat according to claim 1, wherein: the adjusting device (2) comprises a first seat plate (21), a second seat plate (22), supporting columns (23), first springs (24), first supporting rods (25), toothed strips (26), second supporting rods (27), adjusting gears (28) and second springs (29), wherein the first seat plate (21) is placed above the bottom plate (12), the first seat plate (21) is movably connected with the second seat plate (22), the number of the second seat plate (22) is two, the two second seat plates (22) are symmetrically arranged on two sides of the first seat plate (21), one ends of the supporting columns (23) are fixedly connected to the surface of the bottom plate (12), the other ends of the supporting columns (23) are movably connected with the bottom plate (12), the first springs (24) are sleeved on the supporting columns (23), and the number of the supporting columns (23) and the number of the first springs (24) are four, four support column (23) and four first spring (24) symmetry sets up the bottom at bottom plate (12), the one end fixed connection of first bracing piece (25) is in the bottom of first seat (21), the cavity and bottom plate (12) swing joint of seting up on bottom plate (12) are passed to the other end of first bracing piece (25), the tooth's socket has been seted up to the side of first bracing piece (25), first bracing piece (25) are provided with two, two the setting of first bracing piece (25) symmetry is at the lower extreme of bottom plate (12), profile of tooth strip (26) place the inside of bottom plate (12) and with bottom plate (12) swing joint, profile of tooth strip (26) are placed two the center department of first bracing piece (25), the one end of second bracing piece (27) is rotated and is connected the bottom at second seat (22), the other end of second bracing piece (27) pass the cavity on bottom plate (12) and with bottom plate (12) activity Connect, the tooth's socket has been seted up to the side of second bracing piece (27), second bracing piece (27) are provided with four, two second bracing piece (27) symmetry sets up in the both sides of profile of tooth strip (26), four second bracing piece (27) symmetry sets up two the bottom of second seat (22), adjusting gear (28) swing joint is in bottom plate (12), adjusting gear (28) are provided with three, and is first adjusting gear (28) set up in first bracing piece (25) set up the one end of tooth's socket and with two first bracing piece (25) and profile of tooth strip (26) meshing connection, remaining two adjusting gear (28) respectively with two second bracing piece (27) and profile of tooth strip (26) meshing connection on second seat (22), second spring (29) are provided with six, six one end difference fixed connection of second spring (29) is two first bracing piece (25) and four are all connected The other ends of the six second springs (29) are fixedly connected with the bottom plate (12) at the bottom of the second supporting rod (27).

3. A car seat according to claim 2, wherein: the tooth grooves on the two second supporting rods (27) are arranged in the same direction and are opposite to the direction of the tooth grooves on the first supporting rod (25).

4. A car seat according to claim 2, wherein: the fixing device (3) comprises a placing cavity (31), fixing plates (32), fixed gears (33), a switching rod (34) and fixing grooves (35), the placing cavity (31) is formed in a first seat plate (21), the fixing plates (32) are movably connected with the placing cavity (31), tooth sockets are formed in the side face of one end of each fixing plate (32), one end, provided with the tooth sockets, of each fixing plate (32) is close to the inside of the placing cavity (31), the two fixing plates (32) are arranged, the two fixing plates (32) are symmetrically arranged in the placing cavity (31), the fixed gears (33) are arranged in the centers of the two fixing plates (32), the fixed gears (33) are meshed with the two fixing plates (32), and rotating shafts of the fixed gears (33) penetrate through the first seat plate (21) and are fixedly connected to the side face of one end of the switching rod (34), one side of each of the two second seat plates (22) close to the first seat plate (21) is provided with a fixing groove (35).

5. A car seat according to claim 1, wherein: the massage device (4) comprises a movement component (41) and a massage component (42), the movement component (41) is provided with two, the two movement components (41) are symmetrically arranged on a backup plate (11), the two movement components (41) respectively comprise a placing plate (411), a motor (412), a threaded rod (413), a sliding block (414), a moving groove (415), a moving block (416), a roller (417), a protective shell (418) and a belt (419), the placing plate (411) is fixedly arranged in the backup plate (11), the motor (412) is fixedly connected to the placing plate (411), one end of the threaded rod (413) is fixedly connected to the output end of the motor (412), one end of the sliding block (414) is provided with a threaded hole, the sliding block (414) is sleeved on the threaded rod (413) and is in threaded connection with the threaded rod (413), the placing plate (411) is provided with a moving groove (415), and the moving groove (415) is parallel to the threaded rod (413), the moving block (416) is placed in the moving groove (415) and is movably connected with the moving groove (415), four rollers (417) are arranged, two rollers (417) are symmetrically and fixedly connected with two ends of the placing plate (411), the other two rollers (417) are symmetrically and fixedly arranged at the two ends of the moving block (416), the protective shell (418) is fixedly connected on the placing plate (411), the belt (419) passes through the sliding block (414) and is fixedly connected with the sliding block (414), two ends of the belt (419) respectively penetrate through the outer sides of the two rollers (417) on the placing plate (411) and then penetrate through the inner sides of the two rollers (417) on the moving block (416), one ends of two penetrating ends of the belt (419) on the two moving components (41) are connected with each other, the other end of the belt (419) is fixedly connected to the massage component (42).

6. A car seat according to claim 5, characterized in that: massage subassembly (42) include horizontal pole (421), massage cylinder (422), third spring (423) and massage head (424), the both ends fixed connection of horizontal pole (421) is on two movable blocks (416), massage cylinder (422) cover establish on horizontal pole (421) and with horizontal pole (421) swing joint, the one end difference fixed connection of belt (419) is in the both sides of massage cylinder (422) on two motion subassemblies (41), third spring (423) cover is established on the output of massage cylinder (422), the one end fixed connection of third spring (423) is on massage cylinder (422), massage head (424) fixed connection is on the other end of third spring (423).

7. A car seat according to claim 1, wherein: the safety device (5) comprises a rotating rod (51), handles (52), small dining tables (53) and safety belts (54), one end of the rotating rod (51) is rotatably connected to one side of the bottom plate (12), the other side of the rotating rod (51) is rotatably connected to the center of the handles (52), the rotating rod (51) and the handles (52) are provided with two, the rotating rod (51) and the handles (52) are symmetrically arranged on two sides of the bottom plate (12), the small dining tables (53) are detachably arranged on the two handles (52), the safety belts (54) are provided with five, the safety belts (54) are symmetrically arranged on the side end of the backup plate (11), and the remaining safety belt (54) is arranged on the side end of the bottom plate (12).

8. A car seat according to claim 1, wherein: the cushion (6) is arranged above the adjusting device (2) and on the backup plate (11).