CN110053528A - Passenger car shock-absorbing seat - Google Patents

Abstract

The invention discloses a kind of passenger car shock-absorbing seat, including slide track component, and the chair framework being mounted on the slide track component, the slide track component includes glidepath, and the glidepath bottom has the dampening assembly being firmly connected with it.By being changed to dampening assembly and adjustment mechanism, integral installation layout structure is adjusted simultaneously, pick up, cross-country etc. is adapted it to, provides a kind of shock-absorbing seat for such passenger car, with good damping performance and ride comfort, it is beneficial for improving user experience sense.

Description

Passenger car shock-absorbing seat

Technical field

The present invention relates to vehicle seat structure technical fields, and in particular to a kind of passenger car shock-absorbing seat.

Background technique

Body structure mainly divides monocoque body and Non-carrying type vehicle, and city vehicle such as car, major part SUV are bearing-types Vehicle body, riding comfort is higher, and load-carrying, it is cross-country with vehicle as truck, pick up, firmly send SUV etc. if be separate frame construction, by vehicle The comfort of the limitation of body structure and purposes, seating is poor, and to improve this case, suspension machine is installed usually in truck seat Structure, to promote its ride comfort, and pick up, send SUV then to generally use conventional sedan seat firmly, thus be unable to good absorption vehicle The vibration of body transmitting, riding comfort are relatively poor.

Summary of the invention

To solve the above problems, the present invention provides a kind of passenger car shock-absorbing seat, suitable pick up, the vehicles such as offroad vehicle, Improve its ride comfort.

To achieve the above object, technical solution of the present invention is as follows:

A kind of passenger car shock-absorbing seat, including slide track component, and the chair framework being mounted on the slide track component, Key is: the slide track component includes glidepath, and the glidepath bottom has the dampening assembly being firmly connected with it.

Using the above structure, slide track component is set to above dampening assembly, and dampening assembly is directly installed on floor, The stability that dampening assembly can be improved relatively, gives full play to the damping performance of dampening assembly, to further increase passenger car Ride comfort.

As preferred: the dampening assembly includes the upper ledge and lower frame and along upper ledge length direction of upper and lower face setting The telescopic spring component of setting is equipped with damping crotch between the upper ledge and lower frame, the telescopic spring component Configuration has electronic Regulating mechanism, the electric adjusting mechanism is for adjusting telescopic spring component force value.It is realized by electric adjusting mechanism to damping The adjustment of spring telescopic component in component is more suitable for the lesser activity space of passenger car, has good user experience.

As preferred: the upper ledge two sides have the upper hopper chute of face setting along its length, the lower frame two sides tool Have a gliding groove of the setting of face along its length, the rear end of the upper ledge and lower frame have face setting upper connecting shaft and under Connecting shaft；

There is symmetrically arranged two groups of damping crotch, the damping crotch includes that middle part is hinged between the upper ledge and lower frame Outer side plate and interior side plate, the rear and front end of two outer side plates passes through downslide moving axis and upper connecting shaft respectively and is connected with each other, The rear and front end of two interior side plates is connected with each other by upper sliding axle and lower connecting shaft respectively, the downslide end shaft with Gliding groove is slidably matched, and upper sliding axle both ends are slidably matched with upper hopper chute.

By the damping crotch being hingedly arranged, with the fixed movable set-up mode of the other end in one end, upper ledge is floated in realization Dynamic support, while the height and position by sliding adjustable upper ledge, to realize the height adjustment of seat.

As preferred: the telescopic spring component includes along symmetrically arranged two tension springs of upper ledge length direction, the electricity Dynamic regulating mechanism includes the mounting rack and screw rod along the setting of upper ledge length direction, and the electricity for driving the screw rod rotation Machine, wherein mounting rack is fixedly connected with upper ledge, the regulating tank which there is face to be arranged, in the regulating tank With the tension spring plate being slidably matched with it, the tension spring plate is arranged along upper ledge length direction, and mounting rack rear end is equipped with spring hanging scroll, The tension spring rear and front end is separately fixed on tension spring plate and spring hanging scroll；

The nut seat with screw rod cooperation is installed on the tension spring plate, the motor passes through turbine and worm transmission mechanism and silk Bar is connected, and the side plate of the chair framework is equipped with switch, and the switch is for controlling motor.

Using above scheme, the stability of tension spring telescopic adjustment is greatly improved, while motor passes through turbine and worm driver Structure, into horizontal drive control, improves the precision and stationarity of adjusting to screw rod, and switch is placed on side plate, more convenient to drive Multiply personnel and carry out operation adjustment, improves ride comfort.

As preferred: the output end of the turbine and worm transmission mechanism has fast joint, has on the fast joint along it The spring catch being arranged radially, the screw rod have the pin cooperated with the spring catch close to one end of turbine and worm transmission mechanism Hole.

Using above scheme, the cooperation disassembly efficiency between screw rod and turbine and worm transmission mechanism is greatly improved, it is especially suitable It closes the later period and replaces components, be convenient for maintenance, and structure is simple, cost is relatively low.

As preferred: damping spring is equipped between two tension springs, the damping spring is arranged along upper ledge length direction, The damping spring is supported on lower frame by shock-absorbing arms, and the shock-absorbing arms is obliquely installed, and is extended towards lower frame front end, described to subtract It shakes arm upper end and mounting rack is hinged, the spring hanging scroll is fixedly connected with damping spring, and spring hanging scroll position is corresponded in shock-absorbing arms Equipped with limiting slot, the shock-absorbing arms lower end has the idler wheel being arranged along its width direction, and the idler wheel and shock-absorbing arms are hinged, described The damper rod of damping spring is fixedly connected with screw rod.

Using above scheme, be conducive to the stability for improving damping spring, while be substantially at damping spring with screw rod In same level, the tilt angle of opposite upper ledge is smaller, reduces damping spring double swerve amplitude, is conducive to extend damping bullet The service life of spring.

As preferred: the position that shock-absorbing arms lower end idler wheel is corresponded on the lower frame is equipped with limit film, and the limit film is under Frame surrounds to form loose slot, and to limit idler wheel stroke, the activity groove height and roller diameter are adapted.Using above scheme, It is mainly limited by scope of activities of the loose slot to idler wheel, can be further assured that the Shaft alignment state of damping spring, prevent a left side Right shaking, while its upper and lower offset amplitude is limited, make it have better stability.

As preferred: the damper rod is connected by connecting tube with screw rod, and the connecting tube is in hollow structure, the damping Bar and screw rod are respectively protruding into the both ends of connecting tube, and are fixed respectively by fixed pin.Using above scheme, screw rod and damping are improved The disassembly efficiency of spring is convenient for later period maintenance.

After being located above dampening assembly in view of sliding rail, the overall stability of chair framework in sliding process, thus it is described Slide track component is obliquely installed with respect to dampening assembly, hanging down away from greater than its rear end and lower frame between the slide track component front end and lower frame Between hang down away from.Primarily serving keeps seat entirety center of gravity mobile towards the back lower place, achievees the purpose that improve seat overall stability, i.e., When keeping seat advancing slip, seat also keeps relatively low center of gravity, advantageously ensures that overall stability.

As preferred: the lower back end of frame is equipped with fixed structure under safety belt.Using the above structure, the lower fixation of safety belt Structure is in stationary state, will not be moved with seat slide, and stability is more preferable, and disadvantage is that sliding occurs when seat Afterwards, the elasticity of safety belt opposite can change.

Compared with prior art, the beneficial effects of the present invention are:

Using passenger car shock-absorbing seat provided by the invention, by being changed to dampening assembly and adjustment mechanism, simultaneously Integral installation layout structure is adjusted, pick up, cross-country etc. is adapted it to, provides a kind of shock-absorbing seat for such passenger car, is had There are good damping performance and ride comfort, is beneficial for improving user experience sense.

Detailed description of the invention

Fig. 1 is the structural diagram of the present invention；

Fig. 2 is the side view of Fig. 1；

Fig. 3 is dampening assembly and slide track component fit structure schematic diagram；

Fig. 4 is position of the switch schematic diagram；

Fig. 5 is telescopic spring component and electric adjusting mechanism fit structure sectional view；

Fig. 6 is telescopic spring component and electric adjusting mechanism fit structure explosive view；

Fig. 7 is the side view of Fig. 6；

Fig. 8 is mounting rack and upper ledge fit structure schematic diagram；

Fig. 9 is the fit structure schematic diagram of shock-absorbing arms and mounting rack；

Figure 10 is screw rod and fast joint fit structure enlarged drawing；

Figure 11 is mounting structure schematic diagram of the invention.

Specific embodiment

The invention will be further described with attached drawing with reference to embodiments.

Referring to figs. 1 to passenger car shock-absorbing seat shown in Figure 11, main includes setting gradually and being fixed to each other from top to bottom Chair framework 2, slide track component 1 and the dampening assembly 3 of connection, wherein dampening assembly 3 is also configured with electric adjusting mechanism 5, such as schemes Shown, slide track component 1 mainly includes the upper sliding rail 11 and glidepath 10 that are mutually matched, and it includes up and down just that dampening assembly 3 is then main To the upper ledge 3a and lower frame 3b of setting, and connects the damping crotch of upper ledge 3a and lower frame 3b and be arranged in upper ledge 3a and lower frame 3b Between telescopic spring component 4, electric adjusting mechanism 5 is mainly used for realizing to the motorized adjustment of telescopic spring component 4, that is, changes The elasticity of telescopic spring component 4 improves user experience and drives and relax to adjust the integral shock-absorbing performance of dampening assembly 3 Adaptive.

There is symmetrically arranged two groups of dampings fork along its length with reference to Fig. 5 to Fig. 8, between upper ledge 3a and lower frame 3b Frame, damping crotch is two-piece type in the present embodiment, mainly includes outer side plate 3c and interior side plate 3d that middle part is hinged, such as schemes Shown, the rear end of upper ledge 3a and lower frame 3b have the upper connecting shaft 30 and lower connecting shaft 31 of the setting of upper and lower face, upper connecting shaft 30 Width direction along upper ledge 3a is arranged, and both ends are in relatively fixed state, will not slide in the length direction of upper ledge 3a, Likewise, the width direction along lower frame 3b of lower connecting shaft 31 is arranged, both ends are fixedly connected with lower frame 3b, two groups of damping crotch In the rear end of outer side plate 3c (be rear end close to one end of backrest in the present embodiment, and be far from one end of backrest Front end) it is hinged with the both ends of upper connecting shaft 30 respectively, and the interior side plate 3d in two groups of damping crotch then with descend connecting shaft 31 respectively Both ends it is hinged.

The front end of two outer side plate 3c then simultaneously, downslide moving axis 32 width along lower frame 3b hinged with the both ends of downslide moving axis 32 Direction setting is spent, the front end two sides of lower frame 3b have the gliding groove 3b0 being arranged along its length, and 32 both ends of downslide moving axis cover Equipped with lower sheave, lower sheave is embedded in the gliding groove 3b0 of face, and the two is slidably matched, and similarly, the front end two sides of upper ledge 3a have The front end of the upper hopper chute 3a0, two interior side plate 3d of face setting are hinged with upper sliding axle 33 simultaneously, upper sliding axle in the present embodiment 33 substantially ushaped structures, face upper hopper chute 3a0 extends after the bending of both ends, and end is equally arranged sliding with upper hopper chute 3a0 The top sheave of dynamic cooperation, after being arranged in this way, when lower sheave and top sheave are sliding along gliding groove 3b0 and upper hopper chute 3a0 respectively simultaneously When dynamic, the height and position of upper ledge 3a can be adjusted, in addition, being telescopic spring component because upper sliding axle 33 is substantially ushaped 4 installation provides the effective bit space that allows.

In the present embodiment, to realize the control to the flexible stroke of damping crotch, therefore limit knot is equipped in upper hopper chute 3a0 Structure 38, position limiting structure 38 is equipped with sheet rubber close to the side of the front end upper hopper chute 3a0, between position limiting structure 38 and upper hopper chute 3a0 Distance constitutes top sheave actually slidable distance, to achieve the purpose that limit damping crotch telescopic extensions, simultaneously Sheet rubber can reduce the abnormal sound in collision and use process to top sheave, similarly, to prevent damping crotch in lifting process In, it collides between upper ledge 3a and lower frame 3b, therefore is equipped with the bumper 34 upwardly extended, bumper in the quadrangle of lower frame 3b 34 are also made of rubber.

With reference to Fig. 4 to Figure 10, spring telescopic component 4 mainly wraps between upper ledge 3a and lower frame 3b in the present embodiment Include two along the symmetrically arranged tension spring 40 of upper ledge 3a length direction, and the damping spring 41 between two tension springs 40, such as Shown in figure, there is the mounting rack 50 being arranged along its length in the middle part of upper ledge 3a, mounting rack 50 is fixed by screw and upper ledge 3a Connection, mounting rack 50 has is arranged U-lag 501 along its length, U-lag 501 it is opening down, and its rear and front end is spacious Mouthful, the front end of mounting rack 50 has the regulating tank 500 through its thickness direction two sides, is equipped with tension spring plate in regulating tank 500 52, tension spring plate 52 is arranged along the width direction of upper ledge 3a, and with the centerline of mounting rack 50 in same perpendicular, tension spring plate 52 movable supportings in regulating tank 500, and can length direction sliding, the both ends of tension spring plate 52 are through the part for going out regulating tank 500 Equal, the rear end of support frame 50 has the spring hanging scroll 53 being arranged along its width direction, between spring hanging scroll 53 and support frame 50 Relatively fixed, two tension springs 40 are symmetrically disposed on the left and right sides of mounting rack 50, and the rear and front end of tension spring 40 is then articulated in respectively On tension spring plate 52 and spring hanging scroll 53, when tension spring plate 52 is slided along regulating tank 500, the elasticity of tension spring 40 then changes therewith Become.

Electric adjusting mechanism 5 mainly includes motor 5a, and the turbine and worm transmission mechanism 5b being connected with motor 5a, turbine The output end of worm gearing 5b is connected with screw rod 51, and screw rod 51 is arranged along the length direction of U-lag 501, and protrudes into U-lag In 501, two pieces of thin slices that tension spring plate 52 has downward face and is fixedly connected in the present embodiment are installed between two pieces of thin slices and silk The nut seat 54 that bar 51 cooperates then can drive tension spring plate 52 sliding along regulating tank 500 then when motor 5a works by screw rod 51 It is dynamic.

For the fast assembling-disassembling for realizing screw rod 51 and turbine and worm transmission mechanism 5b, and convenient for later period maintenance, therefore The output end of turbine and worm transmission mechanism 5b is equipped with fast joint 55, has the spring catch 550 being radially arranged on fast joint 55, 550 both ends of spring catch have slope surface close to the side of mounting rack 50, and the end of screw rod 51 has mutually matched with spring catch 550 Pin hole 510 when installation, fast joint 55 is first fixedly connected with the output end of turbine and worm transmission mechanism 5b, then face screw rod 51, the two makes spring catch 550 be inserted into pin hole 510 to inserting.

Damping spring 41 is located in U-lag 501 in the application, substantially horizontally disposed in tension spring 40 to reach damping spring 41 The purpose flushed reduces its vertical tilt angle, carries out floating support to the used shock-absorbing arms in the rear end of damping spring 41 42 first, As shown, shock-absorbing arms 42 is obliquely installed, front end is tilted to the front end of lower frame 3b to be extended, its rear end by installation axle 421 with Mounting rack 50 is hinged, and the two can be rotated with installation axle 421 for center of rotation, and lower end has to be arranged along its width direction Idler wheel 43 can relatively rotate between idler wheel 43 and shock-absorbing arms 42, and corresponding position is equipped with limit film 44 on lower frame 3b, with reference to figure 5, for limit film 44 in surrounding to form a sliding groove 45 between n font, with lower frame 3b bottom wall, the left and right sides of loose slot 45 is spacious Mouthful, the height of loose slot 45 is more slightly higher than idler wheel 43, and the length of loose slot 45 is longer, so that idler wheel 43 has one in loose slot 45 Fixed scope of activities, shock-absorbing arms 42 are obliquely installed, and stablize support to the triangle of damping spring 41 to be formed, simultaneously as rolling The cooperation of wheel 43 and loose slot 45, and the floating support to damping spring 41 is realized, greatly reduce a left side for damping spring 41 Right avertence pendulum and the amplitude that teetertotters, reduce the damage in adjustment process or use process to damping spring 41, greatly prolonging it makes Use the service life.

The damper rod 410 of damping spring 41 extends forward along the length direction of U-lag 501, and passes through connecting tube 46 and silk The rear end of bar 51 is fixedly connected, as shown, connecting tube 46 is in the hollow columnar structures of open at both ends, screw rod 51 and damper rod 410 protrude into wherein from the both ends of connecting tube 46 respectively, and are fixed respectively by fixed pin, in this way can be by changing connecting tube 46 Length reduces the replacement to damping spring 41 to adapt to the damping spring 41 of different model, has whole assembling structure good Good adaptability reduces exploitation or production cost.

In addition, the rear upper side of shock-absorbing arms 42 has the limiting slot 420 that recess is formed downwards, the arc-shaped knot of limiting slot 420 Structure, the middle part of spring hanging scroll 53 are set in the rear end of damping spring 41, and both ends are then supported in the limiting slot of 42 two sides of shock-absorbing arms On 420, adopt the structure, so that the active force of tension spring 40 can be applied on damping spring 41 by spring hanging scroll 53, so that Damping spring 41 is practical to be integrally formed collective effect with tension spring 40, has more good damping effect.

Referring to figs. 1 to Figure 11, to make the present invention be more suitable for riding vehicle, therefore larger change also is made in terms of mounting structure Become, as shown, trunnion 35 is installed before being symmetrically arranged in the front end two sides of lower frame 3b, rear end sides are installed after being then symmetrically arranged with Trunnion 36, wherein preceding installation trunnion 35 is installed than after, trunnion 36 is slightly higher, and installs the installation of trunnion 35 and rear installation trunnion 36 Face is inclined-plane, and the back seat back lower place tilts, and has the preceding installation point 60 adaptable with preceding installation trunnion 35 on car bottom plate 6, with And the rear installation point 61 being adapted with rear installation trunnion 36.

At the same time, slide track component 1 is also obliquely installed with respect to dampening assembly 3, i.e., during installation, glidepath 10 and upper ledge 3b When being fixedly connected, the two relative tilt, and tilted towards the back lower place of seat, i other words the front end of glidepath 10 is higher than rear end, this After sample setting, may make the distance between 10 front end of glidepath and preceding installation trunnion 35 and its rear end with install afterwards trunnion 36 it Between distance it is substantially close, advantageously ensure that overall stability, while keeping seat entirety center of gravity mobile towards the seat back lower place, in this way Even if chair framework 2 with upper sliding rail 11 towards front slide when, for the stability influence also very little of seat entirety, have good steady It is qualitative.

In addition, to be adjusted convenient for driver and passenger, therefore switch 22 is equipped on the side plate 21 of 2 side of chair framework, Switch 22 is connected with motor 5a, and the various working control that can carry out motor 5a reaches to realize to 51 working state control of screw rod To the purpose of adjustment telescopic spring component 4, while fixed structure 20 under safety belt being arranged in the left side rear end of lower frame 3b, such as schemed It is shown, it is connected with installation sheet 37 simultaneously on the rear installation trunnion 36 of lower frame 3b, installation sheet 37 extends upward, and then will be under safety belt Fixed structure 20 is fixedly arranged on the top of installation sheet 37, and after being arranged in this way, fixed structure 20 is in initial shape always under safety belt State, unlike existing armchair structure, sliding of the tightness of safety belt not only by slide track component 1 is influenced, simultaneously also It is influenced by dampening assembly 3, possible comfort is not good enough, but its reliability is still good.

In installation process, first dampening assembly 3 can be installed to car bottom plate 6, slide track component 1 is then fixed to upper ledge 3a On, then chair framework 2 is fixedly connected with upper sliding rail 11, while electric adjusting mechanism 5 being installed, and by motor 5a and side plate 21 On switch 22 connect, in use process, by switch control motor 5a operating condition, to drive tension spring plate 52 in regulating tank 500 slide back and forth, while driving 410 dextrorotation of damper rod or derotation, adjust while realization to tension spring 40 and damping spring 41, The pretension of tension spring 40 and the buffering degree of strength of damping spring 41 are adjusted, the whole elasticity of dampening assembly 3 is adjusted, according to institute The structure adjusting to damping performance is realized by gravity, simultaneously as the setting of shock-absorbing arms 42, fully ensures that and adjusting or using The centering degree and levelness of damping spring 41 in journey are conducive to enhance its anti-pressure ability, reduce distortion damage, greatly prolonging makes Use the service life.

Finally, it should be noted that foregoing description is only the preferred embodiment of the present invention, the ordinary skill people of this field Member under the inspiration of the present invention, without prejudice to the purpose of the present invention and the claims, can make multiple similar tables Show, such transformation is fallen within the scope of protection of the present invention.

Claims (10)

1. a kind of passenger car shock-absorbing seat, including slide track component (1), and the seat bone being mounted on the slide track component (1) Frame (2), it is characterised in that: the slide track component (1) includes glidepath (10), and glidepath (10) bottom, which has, to be secured to The dampening assembly (3) of connection.

2. passenger car shock-absorbing seat according to claim 1, it is characterised in that: the dampening assembly (3) includes up and down just Upper ledge (3a) and lower frame (3b) to setting and the telescopic spring component (4) along the setting of upper ledge (3a) length direction, it is described on Damping crotch is equipped between frame (3a) and lower frame (3b), the telescopic spring component (4) is configured with electric adjusting mechanism (5), institute Electric adjusting mechanism (5) are stated for adjusting telescopic spring component (4) force value.

3. passenger car shock-absorbing seat according to claim 2, it is characterised in that: the upper ledge two sides (3a) have along its length The upper hopper chute (3a0) of direction face setting is spent, the lower frame two sides (3b) have the gliding groove of face setting along its length The rear end of (3b0), the upper ledge (3a) and lower frame (3b) has the upper connecting shaft (30) and lower connecting shaft (31) of face setting；

There is symmetrically arranged two groups of damping crotch, the damping crotch includes middle part between the upper ledge (3a) and lower frame (3b) The rear and front end of hinged outer side plate (3c) and interior side plate (3d), two outer side plates (3c) passes through downslide moving axis (32) respectively It is connected with each other with upper connecting shaft (30), the rear and front end of two interior side plates (3d) passes through upper sliding axle (33) He Xialian respectively Spindle (31) is connected with each other, and downslide moving axis (32) both ends are slidably matched with gliding groove (3b0), upper sliding axle (33) both ends and Upper hopper chute (3a0) is slidably matched.

4. passenger car shock-absorbing seat according to claim 2, it is characterised in that: the telescopic spring component (4) includes edge Symmetrically arranged two tension springs (40) of upper ledge (3a) length direction, the electric adjusting mechanism (5) include along upper ledge (3a) length The mounting rack (50) and screw rod (51) of direction setting, and the motor (5a) for driving the screw rod (51) to rotate, wherein pacifying It shelves (50) to be fixedly connected with upper ledge (3a), which has the regulating tank (500) of face setting, described There is the tension spring plate (52) being slidably matched with it, the tension spring plate (52) sets along upper ledge (3a) length direction in regulating tank (500) Set, mounting rack (50) rear end be equipped with spring hanging scroll (53), tension spring (40) rear and front end be separately fixed at tension spring plate (52) and On spring hanging scroll (53)；

The nut seat (54) with screw rod (51) cooperation is installed on the tension spring plate (52), the motor (5a) passes through turbine and worm Transmission mechanism (5b) is connected with screw rod (51), and the side plate (21) of the chair framework (2) is equipped with switch (22), the switch (22) for controlling motor (5a).

5. passenger car shock-absorbing seat according to claim 4, it is characterised in that: the turbine and worm transmission mechanism (5b) Output end has fast joint (55), has the spring catch (550) being radially arranged, the screw rod on the fast joint (55) (51) there is the pin hole (510) cooperated with the spring catch (550) close to the one end of turbine and worm transmission mechanism (5b).

6. passenger car shock-absorbing seat according to claim 4, it is characterised in that: be equipped with resistance between two tension springs (40) Buddhist nun's spring (41), the damping spring (41) are arranged along upper ledge (3a) length direction, and the damping spring (41) passes through shock-absorbing arms (42) it is supported on lower frame (3b), the shock-absorbing arms (42) is obliquely installed, and extends towards the lower frame front end (3b), the shock-absorbing arms (42) hingedly, the spring hanging scroll (53) is fixedly connected with damping spring (41), in shock-absorbing arms (42) for upper end and mounting rack (50) Corresponding spring hanging scroll (53) position is equipped with limiting slot (420), and shock-absorbing arms (42) lower end has to be arranged along its width direction Idler wheel (43), the idler wheel (43) and shock-absorbing arms (42) hingedly, the damper rod (410) of the damping spring (41) and screw rod (51) It is fixedly connected.

7. passenger car shock-absorbing seat according to claim 6, it is characterised in that: correspond to shock-absorbing arms on the lower frame (3b) (42) position of lower end idler wheel (43) is equipped with limit film (44), and the limit film (44) and lower frame (3b) surround to form loose slot (45), to limit idler wheel (43) stroke, the loose slot (45) is highly adapted with idler wheel (43) diameter.

8. passenger car shock-absorbing seat according to claim 6, it is characterised in that: the damper rod (410) passes through connecting tube (46) it is connected with screw rod (51), the connecting tube (46) is in hollow structure, and the damper rod (410) and screw rod (51) are respectively protruding into The both ends of connecting tube (46), and fixed respectively by fixed pin.

9. passenger car shock-absorbing seat as claimed in any of claims 2 to 8, it is characterised in that: the slide track component (1) opposite dampening assembly (3) are obliquely installed, hanging down away from greater than its rear end between slide track component (1) front end and lower frame (3b) Between lower frame (3b) hang down away from.

10. passenger car shock-absorbing seat as claimed in any of claims 2 to 8, it is characterised in that: the lower frame (3b) Rear end is equipped with fixed structure (20) under safety belt.