CN205523810U - A safety device for vehicle seat - Google Patents

Abstract

The utility model discloses a safety device for vehicle seat, the seat includes the backrest, safety device includes: the striking fills up, and it sets up the bottom at the backrest, the pole, it sets up the inside of backrest, the one end of pole is connected to the striking fills up just the pole centers on the lever motion is done to the inside fixed axle of backrest, and the blotter, it sets up on backrest upper portion and is connected to the other end of pole. According to the utility model discloses, passenger that can be through slowing down the rear seat produced striking and improve the vehicle safety ability when seat the place ahead is swung to to vehicle impact's in -process. Through separately setting up backrest, blotter and striking pad, even also can not influence the passenger as safety device when the vehicle impact in -process is operated.

Description

Safety device for seat

Technical field

The utility model relates to the safety device of seat, and it can be in the situation of vehicle collision Under when the passenger sitting in rear seat departs from seating state and drops into forward seat when, Prevent from this passenger is caused damage.

Background technology

Recently, the concern to passenger safety and the functional and convenience of vehicle increased, The importance of safety device of passenger can be most preferably protected the most gradually in vehicle collisions Improve.

The various safety devices that are arranged in vehicle are the most representational is that occupant-restraining device is (all Such as airbag apparatus or seat safety belt apparatus), this device can occur front or side Passenger is prevented to be hurt by constraint passenger when of side's impact.

Recently, have been developed over pre-anti-collision safety (Pre-Crash-Safety, PCS) and control skill Art, determine with the risk of collision of front vehicles after, alerting drivers risk of collision degree or Person started Braking mode before collision, so that the injury to vehicle and driver minimizes. This pre-anti-collision safety controls have maximum limit by dragging seat harness by force before collision The function of degree ground constraint passenger, the most preventative safety seat safety belt (Pre-safe Seat Belt, PSB) function.Except this function, researching and developing the security for driver in an impact Various technology, Publication No. 2007-0028962 of entitled " equipped with the seat of cushion pad " A kind of vehicle of the backbone of protection passenger when can collide in vehicle side of Korean Patent Publication Seat.

But as a rule, the most mainly develop when colliding for protecting vehicle Passenger and the device great majority of driver for forward seat passenger.Certainly, this feelings Condition is due to compared with aft passenger, and most injuries betide the forward seat side of driver and front The seat of side passenger, although injuries is less compared with forward seat occupant, but rear Passenger is likely to come to harm when collision.Therefore, researching and developing such a technology, its The danger of passenger at the seat of rear is reduced during vehicle collision or when rear vehicle end is collided.If When collision, vehicle is braked suddenly, then be not equipped with passenger's meeting of the rear seat of seat harness Eject forward, in most cases, the head impact forward seat of this meeting seat occupant in the wings Head injuries is caused the when of backrest.

Particularly in the case of there is frontal collisions, the passenger of rear seat is due to effect of inertia And make head due to the rotational motion of upper body after aloft moving with colliding in early days uncontrolled Portion strikes the backrest of forward seat, therefore suffers from injury.Therefore, it is necessary to propose one peace Full device hits for the unrest avoiding such rear seat occupant.

The above-mentioned information being disclosed in background section is merely intended to deepen the utility model background The understanding of technology, therefore its information that can comprise is not intended that the most for art technology Prior art well known to personnel.

Utility model content

The utility model purports to solve drawbacks described above, and one side of the present utility model causes Power is in the safety device of a kind of seat of offer, and this device is prevented from sitting in rear seat Passenger clash into seat and swing to seat front situation occur, thus improve sit in this seat The passenger of chair and the security of the passenger of rear seat.

The seat including backrest for vehicle according to embodiment of the present utility model Safety device, may include that shock pad, and it is arranged on the bottom of backrest；Bar, it sets Putting the inside at described backrest, one end of described bar is connected to described shock and pads and described bar It is centered around the fixing axle within described backrest and does lever motion；And cushion pad, it is arranged At backrest top the other end that is connected to described bar.

Clash into pad to could be arranged to exist from backrest lowermost portion to the distance clashing into the upside padded Between 180mm-200mm.

Be connected to described bar one end clash into pad due in the effect of impact clashed at pad to The when that the forward direction of described backrest moving, it is connected to the other end slow of described bar Die head can move around the rearwardly direction of described fixing axial described backrest.

Safety device for the seat including backrest of vehicle of the present utility model is all right Including return spring, it, for after described bar moves at described fixing axle, makes described bar It is repositioned to home position.

Described cushion pad and described backrest can be independent.

Described shock pad and described backrest can be independent.

According to the utility model, it is possible to by slowing down passenger's mistake at Vehicular impact of rear seat Produced shock when of swinging to seat front in journey and improve vehicle safety performance.

According to the utility model, by backrest, cushion pad and shock pad are provided separately, Even if not interfering with passenger when safety device operates during Vehicular impact when yet.

Accompanying drawing explanation

This practicality will be more clearly understood by the specific descriptions presented later in conjunction with accompanying drawing Novel above and other aspect, feature and advantage, in the drawings:

Fig. 1 is that the safety device of the seat according to embodiment of the present utility model is just in The often side view of state；

Fig. 2 is the framework of the safety device of the seat according to embodiment of the present utility model View；

Fig. 3 is the safety of the seat clashed into according to embodiment of the present utility model The side view of device.

Detailed description of the invention

Hereinafter with reference to accompanying drawing, exemplary of the present utility model is described in detail. Throughout the specification, identical reference marker will be used for representing identical in any possible position Element, and by omit to similar elements repeatability description.

Recently, China, by the standard criterion severization of motorbus, wherein, hits at vehicle front When hitting, the dummy not fastened the safety belt cannot depart from seating state, thus the utility model designs For meeting the standard criterion of corresponding motorbus, and simultaneously improve sit in front seat and after The passenger safety of portion's seat.

Therefore, as it is shown in figure 1, according to the safety device of seat 100 of the present utility model May include that shock pad 120, it is arranged on the bottom of backrest；Bar 140, it is arranged on The inside of described backrest, one end of described bar is connected to described shock pad 120 and described bar It is centered around the fixing axle 150 within described backrest and does lever motion；And cushion pad 160, It is arranged on backrest top and is connected to the other end of described bar 140.

As shown in fig. 1, clash into and pad 120 bottoms being arranged on backrest, specifically, Clash into pad 120 be arranged in use in bring to a halt or clash in the case of passenger due to inertia forward Utilize shock to drive safe dress when of moving and cause the shock of the backrest in front Put.Therefore, the appropriate position clashing into pad 120 that sensing clashes into is for successfully starting safety Device is critically important.

In general, the knee of passenger when that passenger in the wings moving forward due to inertia It it is first one of part clashing into forward seat.It is to say, owing to knee is closest to front The passenger's body part of seat (taking a seat for passenger).Accordingly, because the taking advantage of of seat in the wings It is maximally efficient that the knee of visitor is disposed about clashing into pad 120, thus according to of the present utility model Clash into pad 120 and be arranged on the lower end of backrest.Preferably, as carried in the utility model Go out, by being set to clashing into pad 120 from backrest lowermost portion to the upside clashing into pad Distance between 180mm-200mm, clash into pad 120 and can sense exactly and come from behind The impact of the knee of passenger.

If accurately sensing the shock to seat by said method, then be used for preventing rear The passenger of seat swings to the device in front and is bound to action, and this device is exactly that the utility model provides Cushion pad 160.Cushion pad plays the effect of mat when fall down forward with passenger in the wings The head supporting passenger does not swing to front, thus also has cushion pad 160 in addition to normal mat It is also used for protecting the head of passenger.Additionally, shock pad 120 is set to sensing and comes from behind passenger The shock of knee, and be arranged on the bottom of backrest, and cushion pad 160 be set to The protection head of aft passenger thus be arranged on the upper end of backrest stably to support passenger's Head.In FIG, cushion pad 160 is in normal condition and may determine that itself and backrest Combine, in figure 3, it may be determined that cushion pad 160 generation effect is to clash into applying To the head supporting aft passenger when of clashing into pad 120.

Should be noted that a bit, in the utility model, cushion pad 160 and clash into pad 120 It not with backrest whole installation but to be independently arranged with backrest.By backrest with Cushion pad 160 or when clash into pad 120 integral installation, have in terms of production cost is excellent Gesture, but the passenger being on corresponding seat may be caused safety device works when More injuries.Therefore, according to the utility model, by independently installed they, prevent rear The passenger of seat damages and also prevents the passenger to sitting in this seat from damaging.

Clashing into pad 120 and the buffering of aft passenger can being protected of shock can be sensed if arranged Pad 160, then be accomplished by operate cushion pad 160 according to the shock clashing into pad 120 sensing Device, to this end, can arrange single control unit for carry out operate cushion pad 160 Step.But, operating the most in emergency situations according to control unit of the present utility model And when operating the most in normal state, this method does not has effect.

Therefore, according to the utility model, propose one and operate cushion pad the most simply and effectively The method of 160, so that cushion pad 160 and shock pad 120 are connected by bar 140, and Bar 140 does lever motion around the fixing axle 150 being arranged within backrest.

In order to help to understand bar 140 structurally and operationally, figure 2 illustrates seat 100 The framework of safety device.As in figure 2 it is shown, clash into pad to be connected to one end of bar 140, buffering Pad 160 is connected to the other end of bar 140, and bar 140 is connected to fixing axle 150, and (this is fixed Axle 150 is connected to the framework of backrest) so that bar can be around fixing axle 150 with thick stick The form motion of bar.

By this driving principle, with reference to Fig. 3, clashing into applying to shock pad 120 when, Clash into pad 120 to move in the forward direction of backrest, thus bar 140 is around fixing axle 150 move in the form of a lever, so that being connected to the cushion pad 160 of the other end of bar 140 The rearwardly direction of backrest moves.

That is, according to the utility model, simply by making the bar 140 of lever motion Being attached to the fixing axle 150 within backrest, cushion pad 160 just can suitably work and nothing Need independently controlled unit.

Further, according to the utility model, also include that return spring 170 is for clashing into Cushion pad 160 is made to return to home position, and return spring from clashing into pad 120 disappearance when 170 can preferably be arranged on fixing axle 150, and (bar 140 makees thick stick around this fixing axle 150 Bar moves) place.

First, according to the utility model, it is possible to hit at vehicle by slowing down the passenger of rear seat Produced shock when of swinging to seat front during hitting and improve vehicle safety performance.

Secondly, according to the utility model, by by backrest, cushion pad and shock pad separately Even if arranging and making also will not when safety device generation effect during Vehicular impact when Affect passenger.

Although exemplary is described by the utility model, it is clear that for this area skill It is the most appended without deviating from the utility model that art personnel can carry out various change in form and details Spirit and scope described in claims.Therefore, protection domain of the present utility model is not by this The detailed description of utility model limits but is defined by the appended claims, and protection domain Difference be construed as being included in the utility model.

Claims (6)

1. for a safety device for seat, described seat includes backrest, and it is special Levying and be, described safety device includes:

Clashing into pad, it is arranged on the bottom of backrest；

Bar, it is arranged on the inside of described backrest, one end of described bar be connected to described in hit Hit pad and the fixing axle that is centered around within described backrest of described bar does lever motion；And

Cushion pad, it is arranged on the top of backrest and is connected to the other end of described bar.

Safety device for seat the most according to claim 1, it is characterised in that The described pad that clashes into is set to exist from backrest lowermost portion to the distance clashing into the upside padded Between 180mm-200mm.

Safety device for seat the most according to claim 1, it is characterised in that Pad due to the effect of impact at shock pad to described the clashing into of one end being connected to described bar The when that the forward direction of backrest moving, it is connected to the cushion pad of the other end of described bar Rearwardly direction around described fixing axial described backrest moves.

Safety device for seat the most according to claim 1, it is characterised in that Described safety device also includes return spring, and it is used for after described bar moves at fixing axle, Described bar is made to be repositioned to home position.

Safety device for seat the most according to claim 1, it is characterised in that Described cushion pad and described backrest are independent.

Safety device for seat the most according to claim 1, it is characterised in that Described shock pad and described backrest are independent.