CN220349540U - Headrest position-adjustable buffering and damping automobile seat and automobile - Google Patents

Abstract

The utility model relates to a buffer shock-absorbing automobile seat with an adjustable headrest position and an automobile, wherein the seat comprises a seat board box and a backrest box, the seat board box is rotationally connected with the backrest box, the automobile seat also comprises a seat board positioned at the top of the seat board box, a buffer part is arranged in the seat board box, two ends of the buffer part are respectively connected with the seat board and the seat board box to play a role in buffering the seat board, a first sliding groove is arranged on the backrest box, a headrest on the backrest box is in sliding connection with the first sliding groove, and a first driving part is also arranged in the backrest box to drive the headrest to move in the first sliding groove towards the direction of the seat board box. The headrest in this scheme can slide along first spout under the drive of first drive division to this adjusts the position of headrest on the back case, makes the passenger adjust the position of headrest on the back case according to self needs, promotes the comfort level of sitting on the seat of passenger. The inner cavity of the seat board box is provided with the buffer part, and when the automobile jolts, the buffer part can reduce the jolt amplitude of passengers.

Description

Headrest position-adjustable buffering and damping automobile seat and automobile

Technical Field

The utility model relates to the technical field of automobile seats, in particular to a buffering and damping automobile seat with an adjustable headrest position and an automobile.

Background

The automobile seat is a seat which is taken when a vehicle is seated, is mainly used for providing convenient operation, comfortable and safe driving and sitting positions for passengers, and is often provided with functions of tilting and front-back adjustment for improving comfort and adapting to different passengers, and the functions are substituted into the production and use of the automobile seat as conventional designs.

When the actual riding meets the condition that the vehicle is bumpy, the conventional seat simply depends on the sponge and cannot provide an effective buffering effect. In order to solve the problem that conventional seats can not provide effective buffering for passengers, various technical means are adopted, such as an existing comfort automobile seat with multiple buffering and damping effects, a seat body, a seat plate and a damping layer, wherein the upper end of the damping layer is provided with a hip airbag, the lower end of the damping layer is provided with an extension spring, the lower end of the seat plate is provided with a telescopic column, the left side and the right side of the telescopic column are both provided with buffering mechanisms, and the lower end of each buffering mechanism is provided with a base. This scheme is provided with the buffer layer in the seat below, is provided with a plurality of damping springs in the buffer layer, can play fine shock attenuation and buffering effect. However, the different demands of the different riders of height to the position of headrest on the seat, the headrest position in this scheme is unadjustable, can't satisfy the demand of adjustment seat headrest position after the riders take.

Disclosure of Invention

The utility model aims to provide a buffering and damping automobile seat with an adjustable headrest position, which solves the problems that the height of a headrest on the automobile seat in the prior art is fixed and the position is not adjustable. The second purpose is to provide an automobile.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a headrest position adjustable buffering shock attenuation car seat, includes bedplate case and back case, bedplate case with back case rotates to be connected, bedplate case top is provided with the bedplate, be equipped with buffer unit in the bedplate case, the both ends of buffering respectively with the bedplate case is connected and is used for playing the cushioning effect to the bedplate, be provided with first spout on the back case, headrest on the back case with first spout sliding connection, still be equipped with first drive unit in the back case and be used for the drive the headrest is in the first spout to bedplate case direction motion. The rotary adjusting piece is also arranged for adjusting the rotation angle between the seat board box and the backrest box.

According to the technical means, the headrest can slide along the first sliding groove under the driving of the first driving part, so that the position of the headrest on the backrest box is adjusted, a passenger can adjust the position of the headrest on the backrest box according to the needs of the passenger, and the comfort level of the passenger sitting on the seat is improved. The inner cavity at the bedplate case is provided with buffer unit, and the bedplate is connected with buffer unit, and the passenger sits on the bedplate, and when the condition that jolts takes place for the car, buffer unit can provide the buffering for the passenger on the bedplate, reduces the range of jolting of passenger, promotes the use experience of passenger.

Further, the back plate is connected with the backrest box in a sliding mode, one end, close to the seat plate, of the back plate is connected with the seat plate in a rotating mode, and the first driving part is connected with the back plate.

According to the technical means, when a seat occupant sits on the seat, the back of the seat occupant is abutted against the adjusting back plate, the seat plate is connected with the adjusting back plate, and the seat plate can drive the adjusting back plate to move in the moving process of the seat plate, so that the back of the seat occupant and the seat back are prevented from sliding relatively, and the stability of the body position of the seat occupant is ensured. Meanwhile, after the adjusting back plate is arranged, the first driving part can be mounted on the backrest box through the adjusting back plate, so that the first driving part is more convenient to mount.

Further, the first driving part comprises a screw rod and a second inserting plate, one end of the second inserting plate is in threaded connection with the screw rod, the other end of the second inserting plate is fixedly connected with the headrest, the second inserting plate penetrates through the first sliding groove, a first inserting plate penetrating through the first sliding groove is arranged on the adjusting backboard, a bearing is arranged on the first inserting plate, and one end of the screw rod is fixedly connected with the bearing.

According to the technical means, when the position of the headrest needs to be adjusted, the screw rod is rotated, and the second plugboard which is in threaded connection with the screw rod after the screw rod rotates can slide up and down along the first sliding groove, so that the headrest is driven to slide up and down on the backrest box. The headrest is controlled by the screw rod to move up and down, the control direction is simple and convenient, meanwhile, the screw rod is fixed by the first plugboard on the adjusting backboard, the screw rod can move along with the movement of the adjusting backboard, when the position of the adjusting backboard changes, the position of the headrest can be driven by the screw rod to change, and the adjusting backboard and the headrest keep relatively static in the moving process without adjusting the position of the headrest again. The outer ring of the bearing is fixedly connected with the first plugboard, the inner ring is fixedly connected with the lead screw, the lead screw is connected with the first plugboard through the bearing, and when the lead screw rotates, the first plugboard cannot displace.

Further, still include adjust knob, adjust knob with lead screw fixed connection, adjust knob is located keep away from on the lead screw the one end of first picture peg, be equipped with the control groove on the back case, adjust knob's one end passes the control groove.

According to the technical means, the passengers can rotate the screw rod by stirring the adjusting knob penetrating through the control groove, and the screw rod is rotated more conveniently.

Further, still include massage piece and second drive division, second drive division with the massage piece is connected and is used for the drive the massage piece is in slip on the back case plays the massage effect, still be equipped with on the regulation backplate and run through the mounting groove of regulation backplate, the massage piece with mounting groove sliding connection, be equipped with in the mounting groove with mounting groove lateral wall fixed connection's locating plate and with mounting groove sliding connection's massage board, the massage plate with the massage piece is located respectively the opposite both sides of locating plate, be equipped with the through hole on the locating plate, be provided with the slide bar on the massage piece, the slide bar keep away from the one end of massage piece pass through the through hole and with massage plate fixed connection, still the cover is equipped with first elastic component on the slide bar, the both ends of first elastic component butt respectively the massage plate with the locating plate, the second drive division is through control the massage plate is in the slip in the mounting groove drives the massage piece is in slip on the back case.

According to the technical means, the second driving part drives the massage plate to slide towards the positioning plate in the mounting groove, the massage plate extrudes the first elastic piece to deform the first elastic piece, and meanwhile, the massage plate pushes the massage block to move through the sliding rod to extrude the back of the passenger, so that the massage work on the passenger is completed. When the second driving part does not drive the massage plate to move in the mounting groove, the pressure of the massage plate to the first elastic piece disappears, the first elastic piece recovers deformation, the massage plate is driven to reset, and the massage plate drives the massage block to reset through the sliding rod.

Further, the second drive portion includes motor, carousel, eccentric shaft, extrusion portion, vertical regulating plate and spacing frame, the motor with the carousel is connected and is used for the drive the carousel rotates, eccentric shaft displacement on the carousel just the axis of eccentric shaft with the axis on the carousel is non-collinear, spacing frame with the lateral wall butt of back case inner chamber, the eccentric shaft is located spacing frame inner chamber, the one end of vertical regulating plate with spacing frame fixed connection, the other end with extrusion portion rotates to be connected, the one end of extrusion portion with massage plate butt, the other end with back case inner chamber rotates to be connected, on the vertical regulating plate with the one end that extrusion portion rotated to be connected is located the middle part of extrusion portion. Meanwhile, after the seat plate drives the adjusting backboard to displace, the length of the massage plate meets the requirement that the extrusion part is still in butt joint with the massage plate.

According to the technical means, the motor works to drive the turntable to rotate, the turntable rotates to enable the eccentric shaft to reciprocate in the vertical direction, the eccentric shaft reciprocates to drive the limiting frame to reciprocate in the backrest box, the reciprocating motion of the limiting frame drives the vertical adjusting plate to reciprocate, the reciprocating motion of the vertical adjusting plate drives the extrusion part to reciprocate in the backrest box by taking one end connected with the backrest box as a circle center, and the shortest distance between one end, connected with the extrusion part and the backrest box in a rotating manner, of the extrusion part and the massage plate is changed during reciprocating rotation, so that the massage plate is driven to slide in the mounting groove.

Further, one end of the extrusion part, which is abutted against the massage plate, is arc-shaped.

According to the technical means, the contact area between the extrusion part and the massage plate can be reduced, and the rotation resistance of the massage plate to the extrusion part can be reduced when the extrusion part rotates.

Further, the buffer part comprises a second elastic piece, a push rod fixedly connected with the seat board is arranged on one side, close to the seat board box, of the seat board, the push rod penetrates through the seat board box and is in sliding connection with the seat board box, one end of the second elastic piece is fixedly connected with one end, extending into the inner cavity of the seat board box, of the push rod, and the other end of the second elastic piece is fixedly connected with the bottom surface of the inner cavity of the seat board box; the inner cavity of the seat board box is also provided with a sleeve, the second elastic piece is positioned in the inner cavity of the sleeve, and one end of the ejector rod extending into the inner cavity of the seat board box is in sliding connection with the inner cavity of the sleeve.

According to the technical means, the sleeve is arranged in the seat plate box, the second elastic piece and the ejector rod extend into the inner cavity of the seat plate box and are both positioned in the inner cavity of the sleeve, and the sleeve limits the deformation direction of the second elastic piece and the displacement direction of the ejector rod, so that the ejector rod can only reciprocate along the axial direction of the sleeve, the second elastic piece can be prevented from bending when being deformed to cause the inclination of the seat plate, and the seat plate can stably move up and down.

Further, the seat board is further provided with a limiting plate, the limiting plate is fixedly connected with the seat board, the limiting plate is located at one end, far away from the backrest box, of the seat board, and the limiting plate is in butt joint with the side face of the seat board box.

According to the technical means, the limiting plate can block the gap between the seat plate and the seat plate box, so that the phenomenon that fingers or other parts of a user can be carelessly stretched into the gap between the seat plate and the seat plate box to be extruded and damaged when the user sits on the seat is avoided, and meanwhile, other sundries can be prevented from entering the gap between the seat plate and the seat plate box, so that the ejector rod on the seat plate cannot slide downwards, and the buffering effect of the elastic piece on the seat plate is affected.

An automobile comprises an automobile body, wherein the automobile body is provided with the buffering and damping automobile seat with the adjustable headrest position.

The utility model has the beneficial effects that: according to the utility model, under the cooperation of the first plugboard, the lead screw, the second plugboard and the headrest, the effective adjustment of the distance between the headrest and the adjusting backboard is realized, the headrest is relatively stable after adjustment, frequent adjustment of the headrest is effectively avoided, and convenience is provided for passengers; the rotating disc is driven to rotate by utilizing the rotation of the motor, so that the limiting frame is controlled to reciprocate up and down, and the massage plate is continuously extruded under the cooperation of the vertical adjusting plate and the extrusion part, so that the slide bar extrudes the massage strip to extrude the waist of a passenger, and the massage effect is achieved; through utilizing the setting of elastic component, carry out elastic buffering to the bedplate to guarantee that the seat provides good cushioning effect when meetting the vehicle condition of jolting for the passenger, improve the travelling comfort of seat, and through the bedplate with adjust the connection of backplate, the in-process that the bedplate removed drives and adjusts the backplate and remove, guarantees the stability of passenger's position.

Drawings

FIG. 1 is a schematic view of the internal structure of a seat according to the present utility model;

FIG. 2 is a schematic view of the exterior structure of the seat of the present utility model;

FIG. 3 is a schematic view of the back box and headrest of the present utility model;

FIG. 4 is an enlarged view of portion A of FIG. 1 in accordance with the present utility model;

fig. 5 is an enlarged view of the portion B in fig. 1 according to the present utility model.

Wherein, 1-seat board box; 2-a backrest box; 3-rotating the adjusting member; 4-an elastic adjusting member; 5-seat board; 6-adjusting the backboard; 7-a first plugboard; 8-a first chute; 9-a lead screw; 10-a second plugboard; 11-headrest; 12-sleeve; 13-a second elastic member; 14-ejector rods; 15-limiting plates; 16-a separator; 17-notch; 18-an adjusting knob; 19-a control tank; 20-mounting grooves; 21-positioning plates; 22-slide bar; 23-massage plates; 24-massaging blocks; 25-a first elastic member; 26-an electric motor; 27-a turntable; 28-eccentric shaft; 29-a pressing part; 30-vertical adjusting plates; 31-limit frame.

Detailed Description

Further advantages and effects of the present utility model will become readily apparent to those skilled in the art from the disclosure herein, by referring to the accompanying drawings and the preferred embodiments. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be understood that the preferred embodiments are presented by way of illustration only and not by way of limitation.

It should be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.

This embodiment provides a headrest position adjustable buffering shock attenuation car seat, as shown in fig. 1-5, including bedplate case 1 and back case 2, bedplate case 1 and back case 2 rotate and connect, bedplate case 1 top is provided with bedplate 5, is equipped with buffer 4 in the bedplate case 1, and the both ends of buffer 4 are connected its characterized in that with bedplate 5 and bedplate case 1 respectively: the backrest box 2 is provided with a first chute 8, a headrest 11 on the backrest box 2 is slidably connected with the first chute 8, and a first driving part is further arranged in the backrest box 2 and used for driving the headrest 11 to move in the first chute 8 towards the direction of the seat board box 1. A rotation adjusting member 3 is also provided for adjusting the rotation angle between the seat pan case 1 and the backrest case 2.

The headrest 11 can slide along the first sliding groove 8 under the driving of the first driving part, so that the position of the headrest 11 on the backrest box 2 is adjusted, a passenger can adjust the position of the headrest 11 on the backrest box 2 according to the needs of the passenger, and the comfort level of the passenger sitting on a seat is improved. The inner chamber at bedplate case 1 is provided with buffer portion 4, and bedplate 5 is connected with buffer portion 4, and the passenger sits on bedplate 5, and when the condition that jolts takes place for the car, buffer portion 4 can provide the buffering for the passenger on bedplate 5, reduces the range of jolting of passenger, promotes the use experience of passenger. The rotating angle between the seat board box 1 and the backrest box 2 can be adjusted through the rotating adjusting piece, so that the use experience of passengers is further improved.

In this embodiment, the backrest box further comprises an adjusting backboard 6, the adjusting backboard 6 is slidably connected with the backrest box 2, one end, close to the seat board 5, of the adjusting backboard 6 is rotatably connected with the seat board 5, and the first driving part is connected with the adjusting backboard 6.

When sitting on the seat, the back of the seat occupant is abutted with the adjusting back plate 6, and the seat plate 5 is connected with the adjusting back plate 6, so that the seat plate 5 can drive the adjusting back plate 5 to move up and down in the process of moving up and down through the seat plate 5, the back of the seat occupant and the seat back are prevented from sliding relatively, and the stability of the body position of the seat occupant is ensured. Meanwhile, the first driving part can be mounted on the backrest box 2 through the adjusting backboard 6 after the adjusting backboard 6 is arranged, so that the first driving part is more convenient to mount.

In this embodiment, the first driving portion includes a lead screw 9 and a second plugboard 10, one end of the second plugboard 10 is in threaded connection with the lead screw 9, the other end of the second plugboard 10 is fixedly connected with a headrest 11, the second plugboard 10 passes through a first sliding groove 8, a first plugboard 7 passing through the first sliding groove 8 is arranged on the adjusting backboard 6, a bearing is arranged on the first plugboard 7, and one end of the lead screw 9 is fixedly connected with the bearing. The back rest box 2 is provided with a control groove 19, and one end of the adjusting knob 18 penetrates through the control groove 19.

When the position of the headrest 11 needs to be adjusted, the screw rod 9 is rotated by rotating the adjusting knob 18, and the second plugboard 10 which is in threaded connection with the screw rod 9 after the screw rod 9 rotates can slide up and down along the first sliding groove 8, so that the headrest 11 is driven to slide up and down on the backrest box 2. The headrest 11 is controlled to move up and down through the lead screw 9, the control direction is simple and convenient, meanwhile, the lead screw 9 is fixed through the first plugboard 7 on the adjusting backboard 6, the lead screw 9 can move along with the movement of the adjusting backboard 6, when the position of the adjusting backboard 6 changes, the position of the headrest 11 can be driven to change through the lead screw 9, the adjusting backboard 6 and the headrest 11 keep relatively static in the moving process, and the position of the headrest 11 does not need to be adjusted again. The outer ring of the bearing is fixedly connected with the first plugboard 7, the inner ring is fixedly connected with the lead screw 9, the lead screw 9 is connected with the first plugboard 7 through the bearing, and when the lead screw 9 rotates, the first plugboard 7 cannot displace.

In this embodiment, the back plate further includes a massage block 24 and a second driving portion, the second driving portion is connected with the massage block 24 to drive the massage block 24 to move to play a massage effect, the adjusting back plate 6 is further provided with a mounting groove 20 penetrating through the adjusting back plate 6, the massage block 24 is slidably connected with the mounting groove 20, a positioning plate 21 fixedly connected with a side wall of the mounting groove 20 and a massage plate 23 slidably connected with the mounting groove 20 are disposed in the mounting groove 20, the massage plate 23 and the massage block 24 are respectively located at two opposite sides of the positioning plate 21, a through hole is disposed on the positioning plate 21, a sliding rod 22 is disposed on the massage block 24, the sliding rod 22 penetrates through the through hole, one end, far away from the massage block 24, of the sliding rod 22 is fixedly connected with the massage plate 23, a first elastic member 25 is further sleeved on the sliding rod 22, two ends of the first elastic member 25 are respectively abutted against the massage plate 23 and the positioning plate 21, and the second driving portion drives the massage block 24 to slide on the backrest box 2 by controlling the sliding of the massage plate 23 in the mounting groove 20.

The second driving part drives the massage plate 23 to slide towards the positioning plate 21 in the mounting groove 20, the massage plate 23 extrudes the first elastic piece 25 to deform the first elastic piece 25, and meanwhile, the massage plate 23 pushes the massage block 24 to move through the sliding rod 22 to extrude the back of the passengers, so that the massage work on the passengers is completed. When the second driving part does not drive the massage plate 23 to move in the mounting groove 20, the pressure of the massage plate 23 to the first elastic piece 25 disappears, the first elastic piece 25 recovers deformation, the massage plate 23 is driven to reset, and the massage plate 23 drives the massage block 24 to reset through the slide rod 22.

In this embodiment, the second driving portion includes motor 26, carousel 27, eccentric shaft 28, extrusion 29, vertical regulating plate 30 and spacing frame 31, motor 26 is connected with carousel 27 and is used for driving carousel 27 rotation, eccentric shaft 28 is located carousel 27 and the axis of eccentric shaft 28 is non-collineation with the axis of carousel 27, spacing frame 31 and the lateral wall butt of back case 2 inner chamber, eccentric shaft 28 is located spacing frame 31 inner chamber, vertical regulating plate 30's one end and spacing frame 31 fixed connection, the other end and extrusion 29 rotate to be connected, extrusion 29's one end and massage board 23 butt, the other end and back case 2 inner chamber rotate to be connected, the one end of rotating with extrusion 29 on the vertical regulating plate 30 is located extrusion 29's middle part. Meanwhile, after the seat plate drives the adjusting backboard to displace, the length of the massage plate meets the requirement that the extrusion part is still in butt joint with the massage plate.

The motor 26 works to drive the turntable 27 to rotate, the turntable 27 rotates to enable the eccentric shaft 28 to reciprocate in the vertical direction, the eccentric shaft 28 reciprocates to drive the limiting frame 31 to reciprocate in the backrest box 2, the reciprocating motion of the limiting frame 31 drives the vertical adjusting plate 30 to reciprocate, the reciprocating motion of the vertical adjusting plate 30 drives the extrusion part 29 to reciprocate in the backrest box 2 by taking one end connected with the backrest box 2 as a circle center, the shortest distance between one end, connected with the backrest box 2 in a rotating way, of the extrusion part 29 and the massage plate 23 is changed when the extrusion part 29 reciprocates, and then the massage plate 23 is driven to slide in the mounting groove 20.

In this embodiment, the end of the pressing portion 29 abutting against the massage plate 23 is arc-shaped.

The arc shape of the end of the pressing portion 29 abutting against the massage plate 23 can reduce the contact area between the pressing portion 29 and the massage plate 23, and can reduce the rotation resistance of the massage plate 23 to the pressing portion 29 when the pressing portion 29 rotates.

In this embodiment, a push rod 14 fixedly connected with the seat board 5 is arranged on one side, close to the seat board box 1, of the seat board 5, the push rod 14 penetrates through the seat board box 1 and is in sliding connection with the seat board box 1, the elastic adjusting piece 4 comprises a second elastic piece 13, one end of the second elastic piece 13 is fixedly connected with one end, extending into the inner cavity of the seat board box 1, of the push rod 14, and the other end of the second elastic piece is fixedly connected with the bottom surface of the inner cavity of the seat board box 1; the inner cavity of the seat board box is also provided with a sleeve 12, the second elastic piece 13 is positioned in the inner cavity of the sleeve 12, and one end of the ejector rod 14 extending into the inner cavity of the seat board box 1 is in sliding connection with the inner cavity of the sleeve 14. The seat board 5 is also provided with a limiting plate 15, the limiting plate 15 is fixedly connected with the seat board 5, the limiting plate 15 is positioned at one end of the seat board 5 far away from the backrest box 2, and the limiting plate 15 is abutted with the side face of the seat board box 1.

The sleeve 12 is arranged in the seat board box 1, the second elastic piece 13 and the ejector rod 14 extend into the inner cavity of the seat board box 1 and are positioned in the inner cavity of the sleeve 12, the sleeve 12 limits the deformation direction of the second elastic piece 13 and the displacement direction of the ejector rod 14, so that the ejector rod 14 can only reciprocate along the axial direction of the sleeve 12, the second elastic piece 13 can be prevented from bending when being deformed to cause the inclination of the seat board 5, and the seat board 5 can stably move up and down. The limiting plate 15 can block the gap between the seat plate 5 and the seat plate box 1.

The embodiment also provides an automobile, which comprises an automobile body, wherein the automobile body is provided with the buffer shock-absorbing automobile seat with the adjustable headrest position.

According to the utility model, under the cooperation of the first plugboard 7, the lead screw 9, the second plugboard 10 and the headrest 11, the effective adjustment of the distance between the headrest 11 and the adjusting backboard 6 is realized, the distance is kept relatively stable after the adjustment, the frequent adjustment of the headrest 11 is effectively avoided, and convenience is provided for passengers. Through utilizing the rotation of motor 26, drive carousel 27 rotation, and then make the eccentric shaft 28 on carousel 27 drive spacing frame 31 reciprocating motion in back case 2, under the cooperation of vertical regulating plate 30 and extrusion 29, realize the continuous extrusion to massage board 23 to make slide bar 22 extrude massage piece 24, make massage piece 24 extrude the personnel's of taking waist, reach the effect of massage. Through utilizing the setting of elastic adjustment piece 4, carry out elastic buffering to bedplate 5 to guarantee that the seat is when meetting the vehicle condition of jolting, provide good cushioning effect for the personnel of taking, improve the travelling comfort of seat, and through bedplate 5 and adjust the connection of backplate 6, at the in-process that bedplate 5 removed, drive and adjust backplate 6 and remove, guarantee the stability of personnel's position.

The above embodiments are merely preferred embodiments for fully explaining the present utility model, and the scope of the present utility model is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present utility model, and are intended to be within the scope of the present utility model.

Claims (10)

1. The utility model provides a headrest position adjustable buffering shock attenuation car seat, includes bedplate case (1) and back case (2), bedplate case (1) with back case (2) rotate and connect, bedplate case (1) top is provided with bedplate (5), be equipped with buffer (4) in bedplate case (1), the both ends of buffer (4) respectively with bedplate (5) with bedplate case (1) are connected, its characterized in that: be provided with first spout (8) on back case (2), headrest (11) on back case (2) with first spout (8) sliding connection, still be equipped with first drive division in back case (2) and be used for the drive headrest (11) are in first spout (8) internal to bedplate case (1) direction motion.

2. The cushion-absorbing car seat with an adjustable headrest position as claimed in claim 1, wherein: still including adjusting backplate (6), adjust backplate (6) with back case (2) sliding connection just be close to on adjusting backplate (6) the one end of bedplate (5) with bedplate (5) rotation is connected, first drive portion with adjust backplate (6) and be connected.

3. The cushion-absorbing car seat with an adjustable headrest position as claimed in claim 2, wherein: the first driving part comprises a screw rod (9) and a second inserting plate (10), one end of the second inserting plate (10) is in threaded connection with the screw rod (9), the other end of the second inserting plate (10) is fixedly connected with the headrest (11), the second inserting plate (10) penetrates through the first sliding groove (8), a first inserting plate (7) penetrating through the first sliding groove (8) is arranged on the adjusting backboard (6), a bearing is arranged on the first inserting plate (7), and one end of the screw rod (9) is fixedly connected with the bearing.

4. A cushion and shock absorbing car seat with an adjustable headrest position as claimed in claim 3, wherein: still include adjust knob (18), adjust knob (18) with lead screw (9) fixed connection, adjust knob (18) are located keep away from on lead screw (9) one end of first picture peg (7), be equipped with control groove (19) on back case (2), the one end of adjust knob (18) is passed control groove (19).

5. The cushion-absorbing car seat with an adjustable headrest position as claimed in claim 4, wherein: the utility model also comprises a massage block (24) and a second driving part, the second driving part is connected with the massage block (24) to drive the massage block (24) to slide on the backrest box (2) to play a massage effect, the adjusting backboard (6) is provided with a mounting groove (20) penetrating through the adjusting backboard (6), the massage block (24) is in sliding connection with the mounting groove (20), a positioning plate (21) fixedly connected with the side wall of the mounting groove (20) and a massage plate (23) in sliding connection with the mounting groove (20) are arranged in the mounting groove (20), the massage plate (23) and the massage block (24) are respectively positioned on two opposite sides of the positioning plate (21), the positioning plate (21) is provided with a through hole, one end of the sliding rod (22) far away from the massage block (24) penetrates through the through hole and is fixedly connected with the massage plate (23), the sliding rod (22) is also provided with a first elastic piece (25) and two ends of the positioning plate (21) are respectively abutted against the elastic piece (25), the second driving part drives the massage block (24) to slide on the backrest box (2) by controlling the sliding of the massage plate (23) in the mounting groove (20).

6. The cushion-absorbing car seat with an adjustable headrest position as claimed in claim 5, wherein: the second driving part comprises a motor (26), a rotary table (27), an eccentric shaft (28), an extrusion part (29), a vertical adjusting plate (30) and a limiting frame (31), wherein the motor (26) is connected with the rotary table (27) to drive the rotary table (27) to rotate, the eccentric shaft (28) is arranged on the rotary table (27) and the axis of the eccentric shaft (28) is not collinear with the axis of the rotary table (27), the limiting frame (31) is in contact with the side wall of the inner cavity of the backrest box (2), the eccentric shaft (28) is arranged in the inner cavity of the limiting frame (31), one end of the vertical adjusting plate (30) is fixedly connected with the limiting frame (31), the other end of the vertical adjusting plate is in rotary connection with the extrusion part (29), one end of the extrusion part (29) is in contact with the massage plate (23), and the other end of the vertical adjusting plate (30) is in rotary connection with the inner cavity of the backrest box (2).

7. The cushion-absorbing car seat with an adjustable headrest position as claimed in claim 6, wherein: one end of the extrusion part (29) which is abutted against the massage plate (23) is arc-shaped.

8. The cushion-absorbing car seat with an adjustable headrest position as claimed in claim 1, wherein: the buffer part (4) comprises a second elastic piece (13), one side, close to the seat board box (1), of the seat board (5) is provided with a push rod (14) fixedly connected with the seat board (5), the push rod (14) penetrates through the seat board box (1) and is in sliding connection with the seat board box (1), one end of the second elastic piece (13) is fixedly connected with one end, extending into the inner cavity of the seat board box (1), of the push rod (14), and the other end of the second elastic piece is fixedly connected with the bottom surface of the inner cavity of the seat board box (1); the inner cavity of the seat board box is also provided with a sleeve (12), the second elastic piece (13) is positioned in the inner cavity of the sleeve (12), and one end of the ejector rod (14) extending into the inner cavity of the seat board box (1) is in sliding connection with the inner cavity of the sleeve (12).

9. The cushion-absorbing car seat with an adjustable headrest position as claimed in claim 1, wherein: still be equipped with limiting plate (15) on bedplate (5), limiting plate (15) with bedplate (5) fixed connection, limiting plate (15) are located on bedplate (5) keep away from the one end of back case (2), limiting plate (15) with the side butt of bedplate case (1).

10. An automobile, comprising a body, characterized in that: the vehicle body is provided with a cushion and shock absorbing vehicle seat with an adjustable headrest position as claimed in any one of claims 1 to 9.