CN203511369U - Automatic rigidity adjustment mechanism for airbag suspension damping of vehicle seats - Google Patents
Automatic rigidity adjustment mechanism for airbag suspension damping of vehicle seats Download PDFInfo
- Publication number
- CN203511369U CN203511369U CN201320646555.4U CN201320646555U CN203511369U CN 203511369 U CN203511369 U CN 203511369U CN 201320646555 U CN201320646555 U CN 201320646555U CN 203511369 U CN203511369 U CN 203511369U
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- vibration damping
- connecting rod
- way valve
- hinged
- type cam
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Abstract
The utility model belongs to the technical field of seats, and relates to an automatic rigidity adjustment mechanism for the airbag suspension damping of vehicle seats. According to the automatic rigidity adjustment mechanism, an inner damping connection rod and an outer damping connection rod are hinged by a pin shaft; a two-position three-way valve is fixed on the inner damping connection rod at the lower side of the pin shaft; the middle portion of a right-angled cam is coaxially hinged on the pin shaft; one right-angled outer end portion of the right-angled cam is hinged on the outer damping connection rod; a trundle is installed on the other right-angled outer end portion which is arranged towards the bottom right, of the right-angled cam in a clamping manner; an impeller-type cam is hinged on the inner damping connection rod between the right-angled cam and the two-position three-way valve; the both sides of an arc-shaped bulge portion at one side of the impeller-type cam can contact with the air inflation or air deflation contact rod of the two-position three-way valve respectively; the groove portion of the impeller-type cam at the side opposite to the arc-shaped bulge portion slidably contacts with the trundle. The automatic rigidity adjustment mechanism disclosed by the utility model has the advantages of being simple in structure, accurate in adjustment, good in stability, low in friction force, long in service, and suitable for the airbag suspension damping of the same type of vehicle seats.
Description
Technical field
The utility model belongs to seat technical field, refers in particular to a kind of automatic stiffness tuning of air bag suspension vibration damping mechanism of seat.
Background technology
For chaufeur, seat comfort is an important indicator, will contribute to alleviate the fatigue of driving, and improves traveling comfort and the safety of driving.Air bag suspension vibration damping is compared and is had lower transport with mechanical suspension vibration damping, and under identical frequency, acceleration ratio is lower.Wherein the air bag suspension vibration damping stiffness tuning mechanism of seat is the vitals of seat comfort, and needs are driven in order to meet the chaufeur of different weight by the air bag suspension vibration damping stiffness tuning mechanism of seat, are one of main function components of driver's seat.Existing air bag vibration damping stiffness tuning mechanism has by air pump airbag aeration or venting, realize intracapsular pressure chair top is formed to bearing force upwards, reach with chair top on bearing capacity balance, after cushioning stroke scope is determined, within the scope of whole cushioning stroke, the pressure that air bag compression or expansion form changes smaller, and air bag is software feature elastomeric material, S. E. A. is larger like this, cannot meet the requirement that bearing capacity change is large, when bearing capacity change large, when road conditions are more severe, effectiveness in vibration suppression is also just poor, and air pump noise when work is larger.Also the air bag suspension vibration damping that has automatic stiffness tuning mechanism, can be by regulating intracapsular pressure automatically, and when, road conditions large at bearing capacity change are more severe, effectiveness in vibration suppression obviously improves.But the control cam 32 being hinged in existing air bag suspension vibration damping automatic stiffness tuning mechanism (referring to Fig. 1) on inside connecting rod 31 is asymmetric with inflation/deflation feeler lever 30, the 34 contact surface designs that are fixed on the two position three-way valve 35 on inside connecting rod 31, cause inflation/ deflation feeler lever 30,34 discontinuity on two position three-way valve 35, damage in advance; Control cam 32 and rotate the spacing direct use metallic screw end face in two ends and metal round rod Surface Contact, and not in same plane, after long-term use, honing is serious, causes spacing dislocation, automatic inflatable/air regulatory function lost efficacy, and required high to framing member accuracy of manufacture.
Therefore how guaranteeing the automatic stiffness tuning of the air bag suspension vibration damping mechanism of seat, is the problem that field of vehicle seats is constantly explored and sought for a long time to solve.
Summary of the invention
The purpose of this utility model is to provide and a kind ofly can automatically regulates, position accurately, the automatic stiffness tuning of the air bag suspension vibration damping mechanism that stablizes durable seat.
The purpose of this utility model is achieved in that
The automatic stiffness tuning of the air bag suspension vibration damping mechanism of seat, vibration damping inside connecting rod and vibration damping outside connecting rod are hinged by bearing pin, on the vibration damping inside connecting rod of bearing pin downside, be fixed with the two position three-way valve of controlling airbag aeration or exhaust, the middle part of right-angle type cam is coaxially hinged on described bearing pin, the outer end, a right angle of right-angle type cam is hinged on vibration damping outside connecting rod, the outer end, right angle that another of right-angle type cam arranges towards lower right is installed with trundle, on vibration damping inside connecting rod between right-angle type cam and two position three-way valve, be hinged with vane type cam, inflation or the venting feeler lever of logical two position three-way valve can be touched respectively in the both sides of the arc convex portion of vane type cam one side, the concave part of the vane type cam of arc convex portion offside and described trundle moving contact, the swing of vibration damping inside connecting rod drives the trundle on right-angle type cam and right-angle type cam to swing the swing with drive vane formula cam, and then touch the inflation of logical two position three-way valve or venting feeler lever air bag is inflated or exitted, realize the automatic stiffness tuning of chair seat airbag suspension vibration damping.
Above-mentioned air bag lower end is connected with vibration damping inside connecting rod, upper end is connected with vibration damping upper bracket, vibration damping inside connecting rod right-hand member puts nylon roller and embeds rolling in vibration damping lower bracket right-hand member chute, vibration damping inside connecting rod left end and vibration damping upper bracket left end are hinged, vibration damping outside connecting rod right-hand member puts nylon roller and embeds rolling in vibration damping upper bracket right-hand member chute, and vibration damping outside connecting rod left end and vibration damping lower bracket left end are hinged.
The air extractor duct of above-mentioned two position three-way valve is connected by tracheae with air bag admission port, and the admission port of two position three-way valve is connected by tracheae with external air source, the logical atmosphere of exhausr port of two position three-way valve.
The utility model compared to existing technology outstanding and useful technique effect is:
1, vane type cam of the present utility model, right-angle type cam, trundle combination, design improvement to existing control cam, make the symmetrical up and down of vane type cam, vane type cam is reduced the side force of inflation/deflation feeler lever, friction force reduces, inflation/deflation feeler lever on two-position three way is stressed evenly, and double above service life; In addition, vane type cam adopts polyformaldehyde material, and trundle adopts nylon to add Mo, uses the high strength plastic materials that similar performance is close, and carries the molybdenum element of lubricating function, and be doubled service life on former basis; And the design of inflation/deflation stop gear at grade, part all adopts single injection-molded, and dimensional accuracy is high, and good stability, and the error that has reduced welding and assembled, improved position accuracy and the stability used greatly.
2, of the present utility model simple in structure, to adjust accurately, good stability, is applicable to the automatic stiffness tuning of the air bag suspension vibration damping mechanism of same types of vehicles seat.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art.
Fig. 2 is local enlarged diagram of the present utility model.
Fig. 3 is structural representation of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing, with specific embodiment, the utility model is further described, referring to Fig. 2-Fig. 3:
The automatic stiffness tuning of the air bag suspension vibration damping mechanism of seat, vibration damping inside connecting rod 3 is hinged by bearing pin 5 with vibration damping outside connecting rod 7, on the vibration damping inside connecting rod 3 of bearing pin 5 downsides, be fixed with the two position three-way valve 13 of controlling airbag aeration or exhaust, the middle part of right-angle type cam 6 is coaxially hinged on described bearing pin 5, the outer end, a right angle of right-angle type cam 6 is hinged on vibration damping outside connecting rod 7, the outer end, right angle that another of right-angle type cam 6 arranges towards lower right is installed with trundle 17, on vibration damping inside connecting rod 7 between right-angle type cam 6 and two position three-way valve 13, be hinged with vane type cam 8, inflation feeler lever 15 or the venting feeler lever 16 of logical two position three-way valve 13 can be touched respectively in the both sides of the arc convex portion of vane type cam 8 one sides, the concave part of the vane type cam 8 of arc convex portion offside and described trundle 17 moving contacts, the swing that the swing of vibration damping inside connecting rod 3 drives the trundle 17 on right-angle type cam 6 and right-angle type cam 6 to swing with drive vane formula cam 8, and then touch the inflation feeler lever 15 of logical two position three-way valve 13 or venting feeler lever 16 air bag is inflated or exitted, realize the automatic stiffness tuning of chair seat airbag suspension vibration damping.
Above-mentioned air bag 4 lower ends are connected with vibration damping inside connecting rod 3, upper end is connected with vibration damping upper bracket 2, vibration damping inside connecting rod 3 right-hand members put nylon roller 11 and embed rolling in vibration damping lower bracket 10 right-hand member chutes, vibration damping inside connecting rod 3 left ends and vibration damping upper bracket 2 left ends are hinged by bearing pin 1, vibration damping outside connecting rod 7 right-hand members put nylon roller 20 and embed rolling in vibration damping upper bracket 2 right-hand member chutes, and vibration damping outside connecting rod 7 left ends and vibration damping lower bracket 10 left ends are hinged by bearing pin 19.
Above-mentioned two position three-way valve 13(refers to the patent No.: air extractor duct 12 ZL02289578.7) is connected by tracheae 18 with air bag 4 admission ports, the admission port 14 of two position three-way valve 13 is connected by tracheae with external air source, the logical atmosphere of exhausr port of two position three-way valve, in self-regulating process, when intracapsular pressure is excessive, by two-position three way valve outlet 9 bleeds, by vane type cam, right-angle type cam, trundle combination to inflating feeler lever 15 on two position three-way valve, venting feeler lever 16 regulates, to realize automatic stiffness tuning mechanism.
Above-described embodiment is only preferred embodiment of the present utility model, not limits according to this protection domain of the present utility model, therefore: all equivalences of doing according to structure of the present utility model, shape, principle change, within all should being covered by protection domain of the present utility model.
Claims (3)
1. the automatic stiffness tuning of the air bag suspension vibration damping mechanism of seat, vibration damping inside connecting rod and vibration damping outside connecting rod are hinged by bearing pin, on the vibration damping inside connecting rod of bearing pin downside, be fixed with the two position three-way valve of controlling airbag aeration or exhaust, it is characterized in that: the middle part of right-angle type cam is coaxially hinged on described bearing pin, the outer end, a right angle of right-angle type cam is hinged on vibration damping outside connecting rod, the outer end, right angle that another of right-angle type cam arranges towards lower right is installed with trundle, on vibration damping inside connecting rod between right-angle type cam and two position three-way valve, be hinged with vane type cam, inflation or the venting feeler lever of logical two position three-way valve can be touched respectively in the both sides of the arc convex portion of vane type cam one side, the concave part of the vane type cam of arc convex portion offside and described trundle moving contact, the swing of vibration damping inside connecting rod drives the trundle on right-angle type cam and right-angle type cam to swing the swing with drive vane formula cam, and then touch the inflation of logical two position three-way valve or venting feeler lever air bag is inflated or exitted, realize the automatic stiffness tuning of chair seat airbag suspension vibration damping.
2. the automatic stiffness tuning of the air bag suspension vibration damping mechanism of seat according to claim 1, it is characterized in that: the air extractor duct of described two position three-way valve is connected by tracheae with air bag admission port, the admission port of two position three-way valve is connected by tracheae with external air source, the logical atmosphere of exhausr port of two position three-way valve.
3. the automatic stiffness tuning of the air bag suspension vibration damping mechanism of seat according to claim 1, it is characterized in that: described air bag lower end is connected with vibration damping inside connecting rod, upper end is connected with vibration damping upper bracket, vibration damping inside connecting rod right-hand member puts nylon roller and embeds rolling in vibration damping lower bracket right-hand member chute, vibration damping inside connecting rod left end and vibration damping upper bracket left end are hinged, vibration damping outside connecting rod right-hand member puts nylon roller and embeds rolling in vibration damping upper bracket right-hand member chute, and vibration damping outside connecting rod left end and vibration damping lower bracket left end are hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320646555.4U CN203511369U (en) | 2013-10-18 | 2013-10-18 | Automatic rigidity adjustment mechanism for airbag suspension damping of vehicle seats |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320646555.4U CN203511369U (en) | 2013-10-18 | 2013-10-18 | Automatic rigidity adjustment mechanism for airbag suspension damping of vehicle seats |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203511369U true CN203511369U (en) | 2014-04-02 |
Family
ID=50370348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320646555.4U Withdrawn - After Issue CN203511369U (en) | 2013-10-18 | 2013-10-18 | Automatic rigidity adjustment mechanism for airbag suspension damping of vehicle seats |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203511369U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103568905A (en) * | 2013-10-18 | 2014-02-12 | 浙江天成自控股份有限公司 | Air bag suspension damping automatic rigidity adjusting mechanism for vehicle seats |
| CN107415959A (en) * | 2016-05-17 | 2017-12-01 | 本田技研工业株式会社 | Vehicle control system, control method for vehicle and wagon control program |
-
2013
- 2013-10-18 CN CN201320646555.4U patent/CN203511369U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103568905A (en) * | 2013-10-18 | 2014-02-12 | 浙江天成自控股份有限公司 | Air bag suspension damping automatic rigidity adjusting mechanism for vehicle seats |
| CN103568905B (en) * | 2013-10-18 | 2016-03-30 | 浙江天成自控股份有限公司 | The automatic stiffness tuning mechanism of air bag suspension vibration damping of seat |
| CN107415959A (en) * | 2016-05-17 | 2017-12-01 | 本田技研工业株式会社 | Vehicle control system, control method for vehicle and wagon control program |
| CN107415959B (en) * | 2016-05-17 | 2020-11-03 | 本田技研工业株式会社 | Vehicle control system, vehicle control method, and vehicle control program |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140402 Effective date of abandoning: 20160330 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |