CN201525307U

CN201525307U - Vehicle seat shock absorber

Info

Publication number: CN201525307U
Application number: CN2009201831191U
Authority: CN
Inventors: 薛清; 陈国雨; 苏秀娟; 邓兵
Original assignee: XIAMEN GOLDEN DRAGON AUTO SEAT CO Ltd
Current assignee: XIAMEN GOLDEN DRAGON AUTO SEAT CO Ltd
Priority date: 2009-09-22
Filing date: 2009-09-22
Publication date: 2010-07-14
Anticipated expiration: 2019-09-22

Abstract

The utility model relates to a vehicle seat shock absorber combining a seat shock absorber and a lifter. A control valve fixed plate and a mechanical valve are driven to move by a driving lever on an upper support and an air inlet and exhaust switch of the mechanical valve is controlled by a control panel, therefore, the aim of controlling the air flow in an air bag can be achieved and the seat is led to be balanced automatically; through rotating a lifting screw to control the position of the control panel of a rotating panel, height adjustment of the seat is realized. Compared with the prior art, the vehicle seat shock absorber has the advantages of having long service life, being capable of automatically balancing and adjusting the seat height pneumatically, and being applicable to different groups of people.

Description

The seat bumper

Technical field

The utility model relates to the seat bumper that a kind of seat bumper and lifter unite two into one.

Background technology

Power actuated vehicle can occur some in the process of moving inevitably and jolt, and in order to guarantee to take advantage of a person or chaufeur better to take or drive, need install shock absorption device on seat; In order to satisfy the operating needs of different crowd, need the height of seat to regulate.In the prior art, the damping of seat can't realize the adjusting to height of seat.Existing topmost seat bumper has following two kinds:

One. the mechanical shock absorption structure

See Fig. 1 and shown in Figure 2, its principle of work is as follows: this structure is installed two big springs, by spring stretch form one relatively and seat towards last bearing force, with the bearing capacity balance on the seat face.Can form different bearing forces by the prestension length of scale handwheel regulating spring, satisfy Different Weight personnel's a demand of taking advantage of.After travelling people person was transferred to corresponding position according to the body weight of oneself with the scale handwheel, because of the variation of road conditions, corresponding variation will take place to the pressure of upper seat surface in travelling people person.Travelling people person strengthens the pressure of upper seat surface or when reducing, height of seat reduces or increases, and the big spring elongation on the bumper or shorten strengthens or reduces seat and plays the effect of damping towards last bearing force.The shortcoming of this structure is after the damping stroke range is determined, during with position, the end, fix by the variable quantity of spring length the highest for bumper, and promptly the variable quantity that the seat face is formed bearing force is certain, thereby the scope of damping is limited; And the travelling people person of relative and Different Weight, identical road condition change is different to the pressure variation of upper seat surface, cause the amplitude of seat also different, thereby damping effect is also different, this in addition structure can't be regulated the height of seat, needs configuration one set of lifting mechanism in addition; And the characteristic of spring is linear, and the absorptivity of energy is 50%, and damping effect is poor.

Two, air bag shock-damping structure

See Fig. 3 and shown in Figure 4, its principle of work is as follows: to airbag aeration or venting, realize that intracapsular pressure forms bearing force upwards to the seat face by air pump, reach with the seat face on the bearing capacity balance.Travelling people person can pin air inlet, the air cock of air pump according to body weight and the hobby of self, and air bag is put on the air or exits, and can satisfy the operating needs of different crowd.When body weight and the hobby of travelling people person according to self, after the air bag pressure inside regulated, in the process of moving, because of the variation of road conditions, corresponding variation will take place to the pressure of upper seat surface in travelling people person.Travelling people person strengthens the pressure of upper seat surface or when reducing, height of seat reduces or increases, and air bag compression or expansion strengthen or reduce seat and play the effect of damping towards last bearing force.The shortcoming of this structure is after the damping stroke range is determined, in whole damping stroke range, the pressure that air bag compression or expansion form changes smaller, and air bag is the software feature spring, S. E. A. substantially exceeds 50% like this, can't satisfy bearing capacity variation requirement greatly, promptly bearing capacity changes when road conditions are relatively more abominable greatly, and damping effect relatively; The noise that forms during air pump work is bigger; This kind structure can't be regulated the height of seat, needs configuration one set of lifting mechanism in addition.

Summary of the invention

The purpose of this utility model is in order to solve above-mentioned the deficiencies in the prior art, not only can to reach state of equilibrium according to the user of different weight automatically and provide, and the bumper that can pneumatic adjusting height of seat and the combination of lifter.

The purpose of this utility model is achieved by the following technical solution: the seat bumper, comprise upper bracket, lower bracket and connecting rod, upper bracket is connected by connecting rod with lower bracket, connecting rod is an X-shaped, be articulated in its intersection point, connecting rod and last lower bracket respectively have an end to articulate, it also comprises an air bag, one with air bag and car on the source of the gas control cock that has the intake and exhaust switch of joining, air bag is installed between the lower bracket, it is characterized in that also comprising the control cock adapter plate, control desk, rotor plate and lifting bar, the control cock adapter plate, control desk and rotor plate are articulated on the same S. A. that is fixed on lower bracket one end, the other end of rotor plate links to each other with lifting bar, establish on the control cock adapter plate and have deep-slotted chip breaker, be provided with the driving lever that slides along deep-slotted chip breaker in the deep-slotted chip breaker, the other end of driving lever links to each other with upper bracket, the intake and exhaust switch of control cock is done relative extruding and disengaging movement with control desk in control cock adapter plate rotating range, lifting bar and X-shaped connecting rod join.

Described control desk is two plates of fan-shaped array.

Between last lower bracket, be provided with the damper rod of eliminating aftershock.

The utility model drives control cock adapter plate and mechanical valve motion owing to adopted said structure by the driving lever on the upper bracket, the controlled making sheet control of the intake and exhaust switch of mechanical valve, thus reach the effect of controlling tolerance in the air bag, make seat reach self-equalizing; By the position of rotation and lifting screw rod control rotor plate control desk, realize the adjusting of height of seat.The utility model compared with prior art has long service life, can reach balance automatically, can pneumatic adjusting height of seat, be suitable for the advantage that different crowd uses.

Description of drawings

Fig. 1-Fig. 4 prior art constructional drawing;

Fig. 5 is the utility model structural representation;

Fig. 6 is Fig. 5 minimum state left view

Fig. 7 is the high state left view of Fig. 5

Fig. 8 is the upward view of Fig. 5

Fig. 9 is Fig. 8 minimum state birds-eye view

Figure 10 is the high state birds-eye view of Fig. 8

Concrete case study on implementation

The utility model is described in further detail below in conjunction with accompanying drawing:

Seat bumper at Fig. 5 to Figure 10, comprise upper bracket 1, lower bracket 2 and connecting rod 3, upper bracket 1 is connected by connecting rod 3 with lower bracket 2, connecting rod 3 is an X-shaped, be articulated in its intersection point, connecting rod 3 respectively has an end to articulate with last lower bracket, it also comprises an air bag 4, one with air bag and car on the source of the gas control cock that has the intake and exhaust switch 5 of joining, air bag 4 is installed between the lower bracket, it also comprises control cock adapter plate 6, the control desk A and the control desk B that are fan-shaped array, rotor plate 7 and lifting bar 8, control cock adapter plate 6, control desk and rotor plate 7 are articulated on the same S. A. 9 that is fixed on lower bracket 2 one ends, the other end of rotor plate 7 links to each other with lifting bar 8, establish on the control cock adapter plate 6 and have deep-slotted chip breaker 10, be provided with the driving lever 11 that slides along deep-slotted chip breaker 10 in the deep-slotted chip breaker 10, the other end of driving lever 11 links to each other with upper bracket 1, the intake and exhaust switch 12 of control cock 5 is done relative extruding and disengaging movement with control desk in control cock adapter plate 6 rotating ranges, lifting bar and X-shaped connecting rod join, and are provided with the damper rod 13 of eliminating aftershock between last lower bracket.

During use, when the weight that seat bears above forms the strength that makes progress less than the air bag internal gas to seat, seat is done vertically upward motion with relative vehicle body, at this moment the driving lever on the upper bracket drives control cock adapter plate and control cock and does around S. A. and move. because of rotor plate in this motion process and above control desk A, the B relative rotation axi is static, drain tap when seat is elevated to certain altitude on the control cock is controlled plate B extruding and is forced to open, thereby air bag is connected with extraneous, realize the exhaust of air bag, when the weight of bearing above seat equals the air bag internal gas strength that formation makes progress to seat, seat stops upward movement. but under this state, open because of blow off valve, when the weight that air bag continuation exhaust causes seat to be subjected to above forms the strength that makes progress greater than the air bag internal gas to seat, form seat and move downward the air bag compression, pressure increases. and at this moment drive control cock adapter plate of the driving lever on the upper bracket and control cock are done around S. A. and are done counter motion, same rotor plate in this process and above control desk A, the B relative rotation axi is static, drain tap when seat is reduced to certain altitude on the control cock breaks away from control desk B extruding, thereby with valve closing, stopping air bag exhaust to external world. seat continues to move downward certain air intake valve apart from the control cock and is controlled plate A extruding and is forced to open, thereby air bag is connected with source of the gas, realized the air bag make-up gas; When the weight of bearing above seat equals the air bag internal gas strength that formation makes progress to seat, seat stops to move downward. but under this state, open because of air intake valve, when the weight that air bag continuation inflation causes seat to be subjected to above forms the strength that makes progress less than the air bag internal gas to seat, form the seat upward movement, air intake valve when seat is elevated to certain altitude on the control cock breaks away from control desk A extruding, thereby with valve closing, stop airbag aeration, continue upward movement, air bag expansion, when the weight that pressure reduces to bear above seat equals the air bag internal gas strength that formation makes progress to seat, the seat stop motion.In whole motion process, attenuate rapidly by the amplitude of damper rod dumping force with seat.Normally when car ran into big jolting, seat just carried out exhaust and gas filed, and the rate of amplitude of car seat under the situation of jolting for a short time is less, can not open the intake and exhaust valve, and expansion and the compression of the variation of pressure by air bag regulated.Rotation and lifting screw rod between up time, rotor plate and top control desk A thereof will be driven, the rich S. A. of B is done the conter clockwise motion, cause control desk A near control cock, A is expressed to air intake valve when control desk, with valve open, realization is to airbag aeration, make the capsule internal gas form the weight that strength is upwards born above greater than seat to seat, seat is realized relative vehicle body upward movement, the height of seat is raise, otherwise then control desk B is expressed to drain tap near mechanical valve, and the air bag gas inside is drained, make the capsule internal gas form the weight that strength is upwards born above less than seat to seat, seat realizes that relative vehicle body moves downward, and the height of seat is reduced, thereby realizes the pneumatic adjusting of height of seat.Travelling people person can be transferred to suitable height with seat according to the hobby of oneself.This case study on implementation has been realized uniting two into one of bumper and lifter, has realized the self-equalizing when seat can be taken advantage of according to the different weight personnel, and having realized can automatically regulating air bag pressure inside according to different road conditions; Efficiently solve the existing unfavorable shortcoming of bumper damping effect.

More than be preferred embodiment of the present utility model, yet those of ordinary skill in the art still can make and not break away from scheme of the present utility model and still fall into protection domain of the present utility model.

Claims

1. seat bumper, comprise upper bracket, lower bracket and connecting rod, upper bracket is connected by connecting rod with lower bracket, connecting rod is an X-shaped, be articulated in its intersection point, connecting rod and last lower bracket respectively have an end to articulate, it also comprises an air bag, one with air bag and car on the source of the gas control cock that has the intake and exhaust switch of joining, air bag is installed between the lower bracket, it is characterized in that also comprising the control cock adapter plate, control desk, rotor plate and lifting bar, the control cock adapter plate, control desk and rotor plate are articulated on the same S. A. that is fixed on lower bracket one end, the other end of rotor plate links to each other with lifting bar, establish on the control cock adapter plate and have deep-slotted chip breaker, be provided with the driving lever that slides along deep-slotted chip breaker in the deep-slotted chip breaker, the other end of driving lever links to each other with upper bracket, the intake and exhaust switch of control cock is done relative extruding and disengaging movement with control desk in control cock adapter plate rotating range, lifting bar and X-shaped connecting rod join.

2. seat bumper as claimed in claim 1 is characterized in that: described control desk is two plates of fan-shaped array.

3. seat bumper as claimed in claim 1 is characterized in that: be provided with the damper rod of eliminating aftershock between last lower bracket.