CN1680138A

CN1680138A - Height adjustable buffer of seat in vehicle

Info

Publication number: CN1680138A
Application number: CNA2004100456491A
Authority: CN
Inventors: 姜成模
Original assignee: LION CONFORT CO Ltd
Current assignee: LION CONFORT CO Ltd
Priority date: 2004-04-09
Filing date: 2004-05-19
Publication date: 2005-10-12
Also published as: JP2005297942A; JP3934635B2; KR100451657B1

Abstract

The invention provides an impact buffering apparatus for adjusting the height of the seat of a vehicle, aiming to solve the problem that the traditional impact buffering apparatus has nothing to do with the height and weight of drivers, and the height of the seat was set according to an average height when the vehicle left factory, which brings much inconvenience to the drivers which are higher or lower than the average height. The essentials of the invention is that air cushions in which the air pressure can be adjusted are arranged on and under the framework of the seat to buff the impact on the seat, the height of the impacted seat is kept unchangeably when driving. When long driving or driving on an irregularity non-highway, the invention can relieve the fatigue of the driver, particularly, the invention can optionally adjust the height of the seat according to the statures of different drivers, which is suitable for use in the vehicle.

Description

The height adjustment formula shock absorber of automotive seat

Technical field

The present invention relates to be provided with on the skeleton of automotive seat bottom the device that can adjust air pressure, when the unmade way that travels at non-highway, relax the impact of chair to the people, relate in particular to and according to the height of chaufeur the height adjustment of automotive seats chair to be arrived and the corresponding to automotive seat of the height of chaufeur.

Background technology

The shock absorber of traditional automotive seat is when external impact, and the cam that is arranged on the seat bottom optionally pressurization control valve allows air inject, or air is emitted, adjust air cushion in-to-in air pressure, relax chair with this and impacted, and make seat keep certain height always.

But as above-mentioned traditional shock absorber, irrelevant with physical qualifications such as the height of chaufeur or body weight, and the height of seat sets by average height when vehicle dispatches from the factory, this brings a lot of inconvenience for the chaufeur that is higher or lower than average height.

Summary of the invention

In order to solve the above problems, the object of the present invention is to provide and a kind ofly can arbitrarily adjust the seat height according to the physical qualification of the height of chaufeur or body weight etc., and the shock absorber that all chaufeurs are driven a car on comfortable seat.

To achieve these goals, the present invention is with on four jiaos of framework shapes of " X " type chain link 4 combinations,

bottom skeleton

2,3, by air cushion 6 and baffle plate 7 resilient support, formative gear 24 and protrude to constitute the interior side links 4 of rotor 12 pins 18 of running sheet 13 in the side on the circular arc portion in conjunction with " X " type chain links 4, the rotation of the drg 15 control rotors 12 of side links 4 and formative gear 25 in the cylinder 14 that possesses drg 15 makes and is combined in, the control cock 19 that the formation air is emitted pin 20 and air injection pin 21 is combined on the adapter plate 10, cam 17 rotation is also emitted pin 20 and air injects pin 21 in 18 combinations of adapter plate 10 pins for the air of pressurization control valve 19, the adapter plate 10 that control cock 19 and cam 17 are set is combined on the outer side links 4 of " X " type chain link 4, the state that the drg 15 of cylinder 14 broke away from from rotor 12 when the user operated rising start stop lever or decline start stop lever rises down or the height of decline chair 1, the rotation of the drg 15 control rotors 12 of cylinder 14 when shut-down operation rising start stop lever or decline start stop lever and the height adjustment formula shock absorber of the seat that to stop the rising of chair 1 height or decline and the following buffer action of its state be characteristics.

Further specify the present invention below in conjunction with accompanying drawing.

Description of drawings

Fig. 1 is the block diagram of seat of the present invention.

Fig. 2 is the block diagram of vehicle chair framework.

Fig. 3 is an exploded perspective view of the present invention.

Fig. 4 a to Fig. 4 c shows the height of chair up the top and the bottom skeleton of adjustment process and the front elevation of chain link.

Fig. 5 a to Fig. 5 c shows the height of chair down the top and the bottom skeleton of adjustment process and the front elevation of chain link.

Fig. 6 a is the top and the bottom skeleton of neutral condition of no external impact and the front elevation of chain link.

Fig. 6 b is according to the past top and the bottom skeleton that raises of height quilt of external impact chair and the front elevation of chain link.

Fig. 6 c is according to the top and the bottom skeleton of the past downward modulation of height quilt of external impact chair and the front elevation of chain link.

＜reference numeral explanation 〉

1: chair 2: the top skeleton

3: bottom skeleton 4: chain link

6: air cushion 7: baffle plate

8: shifting axle 9: anchor shaft

10: adapter plate 11: leveling valve

12: rotor 13: the running sheet

14: cylinder 15: drg

16: to guide groove 17: cam

18: pin 19: control cock

20: air is emitted pin 21: air injects pin

22: rising switch electric wire 23: decline switch electric wire

24,25: gear

The specific embodiment

As Fig. 1 to Fig. 2, the top skeleton 2 that supports automotive seat 1 is connected top skeleton 2 and bottom skeleton 3 with bottom skeleton 3 according to " X " type chain link 4, and the inside of top skeleton 2 and bottom skeleton 3 possesses air cushion 6 and the baffle plate 7 that relaxes external impact.

In conjunction with adapter plate 10, adapter plate 10 is in conjunction with height adjustment method 11 and control cock 19 as the outer side links 4 of Fig. 3 " X " type chain link 4, and cam 17 pins 18 are combined on the adapter plate 10 and rotate freely, and the air of pressurization control valve 19 is emitted pin 20 and air injects pin 21.

Rotor 12 protrudes and constitutes running sheet 13, and formative gear 24 on the circular arc portion of rotor 12, and rotor 12 pins 18 rotate freely at interior surveyor's chain ring 4 in conjunction with " X " type chain link 4.

Sell the interior side links 4 of 18 combinations in conjunction with the cylinder 14 that forms drgs 15 with rotor 12.

Action of the present invention as constituted above following detailed description.

Fig. 4 a to Fig. 4 c shows the height of chair 1 up to be transferred to the top skeleton 2 that meets chaufeur physical qualification process, the front elevation of bottom skeleton 3 and chain link 4.

The rising switch electric wire 22 of leveling valve 11 was drawn and pressurized air is injected into air cushion 6 inside when chaufeur drew rising start stop lever on the chair 1, simultaneously as the drg 15 of the cylinder 14 of Fig. 4 a control rotor 12 rotations from rotor 12 separation and rotor 12 rotates freely.

At this moment, it is inner also as the distance between Fig. 5 b elongation top skeleton 2 and the bottom skeleton 3 that pressurized air is injected into air cushion 6, the cylinder 14 of interior side links 4 that is combined in " X " type chain link 4 is along chain link 4 rotation of rotation, but the drg 15 of controlling the cylinder 14 of rotor 12 separates and rotor 12 does not rotate from rotor 12.

When chaufeur is decontroled rising start stop lever on the chair 1 such as the drg 15 of Fig. 5 c cylinder 14 protrude again and be formed on gear 25 on the drg 15 cylinder 14 is controlled the rotation of rotor 12 again in conjunction with the gear 24 on the circular arc portion that is formed on rotor 12.

Fig. 5 a to Fig. 5 c shows the height of chair 1 toward being lowered to the top skeleton 2 that meets chaufeur physical qualification process, the front elevation of bottom skeleton 3 and chain link 4.

The decline switch electric wire 23 of leveling valve 11 was drawn and is discharged air cushion 6 in-to-in pressurized airs when chaufeur drew decline start stop lever on the chair 1, simultaneously as the drg 15 of the cylinder 14 of Fig. 5 a control rotor 12 rotations from rotor 12 separation and rotor 12 rotates freely.

At this moment, discharge air cushion 6 in-to-in pressurized airs also as the distance between Fig. 5 b shortening top skeleton 2 and the bottom skeleton 3, the cylinder 14 of interior side links 4 that is combined in " X " type chain link 4 is along chain link 4 rotation of rotation, but the drg 15 of controlling the cylinder 14 of rotor 12 separates and rotor 12 does not rotate from rotor 12.

When chaufeur is decontroled decline start stop lever on the chair 1 such as the drg 15 of Fig. 5 c cylinder 14 protrude again and be formed on gear 25 on the drg 15 cylinder 14 is controlled the rotation of rotor 12 again in conjunction with the gear 24 on the circular arc portion that is formed on rotor 12.

When adjusting the height of chair 1 as above-mentioned physical qualification by chaufeur the rotation of the drg 15 control rotors 12 of cylinder 14 and as Fig. 4 a to Fig. 4 c and Fig. 5 a to Fig. 5 c chair 1 that relaxes external impact and continue to keep to meet the chaufeur physical qualification highly.

Press physical qualification adjustment chair 1 state highly of chaufeur down as Fig. 6 a as Fig. 4 a to Fig. 4 c and Fig. 5 a to Fig. 5 c, protrude attached to the drg 15 of the cylinder 14 on the interior side links 4 and to make rotor 12 not allow rotation in conjunction with the gear 24 on rotor 12 circular arcs, the running sheet 13 that is formed on the rotor 12 is in the darkest ditch part of neutral condition contact cam 17 in order to make cam 17, and cam 17 is that the air of not pressurization control valve 19 is emitted the state that pin 20 and air inject pin 21.

When being elevated according to the height of external impact chair 1 such as Fig. 6 b elongate distance between top skeleton 2 and the bottom skeleton 3 and shifting axle 8 along the sliding of top and the

bottom skeleton

2,3 to guide groove 16, the cylinder 14 and the chain link 4 that are fixed on the interior side links 4 of " X " type chain link 4 rotate together.

At this moment, be formed on gear 25 partial sums on the drg 15 of cylinder 14 and be formed on gear 24 part combinations on rotor 12 circular arc portions, and rotor 12 is center rotation with pin 18 with cylinder 14 together also, protrudes running sheet 13 rotating cams 17 that constitute on the rotor 12 and cam 17 is pushed down the air of control cock 19 and emitted pin 20.

Emit air cushion 6 in-to-in air and the air cushion 6 in-to-in pneumatics that descend when the air that cam 17 is pushed down control cock 19 is emitted pin 20, and reduce the neutral condition of getting back to after chair 1 height of being raised by external impact as Fig. 6 a.

If, when being descended by the height of external impact chair 1 such as Fig. 6 c shorten distance between top skeleton 2 and the bottom skeleton 3 and shifting axle 8 along the sliding of top and the

bottom skeleton

At this moment, be formed on gear 25 partial sums on the drg 15 of cylinder 14 and be formed on gear 24 part combinations on rotor 12 circular arc portions, and rotor 12 is center rotation with pin 18 with cylinder 14 together also, protrudes running sheet 13 rotating cams 17 that constitute on the rotor 12 and cam 17 is pushed down the air of control cock 19 and injected pin 21.

The air that cam 17 is pushed down control cock 19 injects 21 o'clock pressurized airs of pin and is injected into the air cushion 6 inner and air cushion 6 in-to-in pneumatics that rise, and raises the neutral condition of getting back to after chair 1 height that is reduced by external impact as Fig. 4 a.

In a word, the state that the drg 15 of cylinder 14 broke away from from rotor 12 when technology of the present invention will be intended to as above to state operation rising start stop lever or decline start stop lever rises down or decline chair 1 height, the rotation of the drg 15 control rotors 12 of cylinder 14 when shut-down operation rising start stop lever or decline start stop lever and stopping to rise or decline chair 1 height and the automobile chair height adjustable type shock absorber that constitutes for the following buffer action of its state on.

So, chair 1 height that the physical qualification that always keeps chaufeur to press oneself in the middle of the external impact during the present invention such as above-mentioned mitigation vehicle are exercised is driven is simultaneously adjusted.

The present invention compared with prior art, its good effect is: as previously discussed, slow according to automotive seat 1 of the present invention Flushing device is to relax the impact that is communicated to chair 1 when exercising non-highway also to keep by the chair of impact variation by certain altitude always Son 1 height especially, adjust arbitrarily the height of chair 1 according to respectively different drivers' physical qualification, and all is driven The person of sailing is adjusted the height of automotive seat 1 according to the physical qualification of oneself, so the driver feels that comfortable taking sense of great use Invention.

Claims

1, a kind of height adjustment formula shock absorber of automotive seat is characterized in that:

Upper and lower part skeleton (2) (3) with four jiaos of framework shapes of " X " type chain link (4) combination is according to air cushion (6) and baffle plate (damper) (7) resilient support;

Formative gear on the circular arc portion (24) also protrudes rotor (12) pin (18) of formation running sheet (13) interior side links (4) in conjunction with " X " type chain links (4) in the side, the cylinder (14) that possesses drg (15) makes the rotation of drg (15) the control rotor (12) that is combined in interior side links (4) and formative gear (25), form air and emit the control cock (19) that pin (20) and air inject pin (21) and be combined on the adapter plate (10), cam (cam) (17) rotation is also emitted pin (20) and air for the air of pressurization control valve (19) and is injected and sell (21) and sell (18) combination at adapter plate (10);

The adapter plate (10) that control cock (19) and cam (17) are set is combined on the outer side links (4) of " X " type chain link (4);

The drg (15) of cylinder (14) was from the height of following rising of the state of rotor (12) disengaging or decline chair (1) when the user operated rising start stop lever or decline start stop lever, the rotation of the drg (15) of cylinder (14) control rotor (12) when shut-down operation rising start stop lever or decline start stop lever stops the rising or the decline of chair (1) height.