CN201970888U - Mechanical tension spring-volute spring double-stage vibration-damping mechanism in commercial vehicle chair - Google Patents
Mechanical tension spring-volute spring double-stage vibration-damping mechanism in commercial vehicle chair Download PDFInfo
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- CN201970888U CN201970888U CN2011200142057U CN201120014205U CN201970888U CN 201970888 U CN201970888 U CN 201970888U CN 2011200142057 U CN2011200142057 U CN 2011200142057U CN 201120014205 U CN201120014205 U CN 201120014205U CN 201970888 U CN201970888 U CN 201970888U
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- rocker arm
- upper bracket
- extension spring
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Abstract
A mechanical tension spring-volute spring double-stage vibration-damping mechanism in a commercial vehicle chair relates to the technical field of vibration-damping mechanisms. A regular base fastener of the vibration-damping mechanism is firmly connected with slide rail fasteners through connecting bolts, pull rods, big-end rockers and weight body fasteners are sequentially arranged over rollers, the front and rear ends of the pull rods, the big-end rockers and the weight body fasteners are respectively connected through first connecting pins and second connecting pins, the pull rods are connected with the upper ends of outer rocker fasteners through main tension springs, a damper is arranged at one side of each main tension spring, an upper support is arranged at the lower ends of the first connecting pins, a lower support is arranged on the front side of the top of the regular base fastener, and a volute spring is connected between the upper support and the lower support. The structure of the vibration-damping mechanism is scientific and reasonable, the stress of the spiral main tension springs is decomposed by the added volute spring, and by means of the joint action and elastic matching of the volute spring and the main tension springs, the service life of the vibration-damping base assembly of a mechanical suspension chair is prolonged.
Description
Technical field:
The utility model relates to the shock absorption device technical field, is specifically related to mechanical type extension spring, awl spring two-stage shock attenuation unit in a kind of commercial vehicle seat.
Background technology:
Commercial vehicle/comm..vehicle is to be the automobile that is used to the personnel that transport and goods on design and technical characterictic, and it is divided into passenger vehicle, lorry, tractor-truck, the non-complete vehicle of passenger vehicle and the non-complete vehicle of lorry, totally five classes.In whole industry media, the notion of commercial vehicle/comm..vehicle mainly defines from himself purposes difference, and people's custom is divided into passenger vehicle and lorry two big classes to commercial vehicle/comm..vehicle.
Be two cylindroid helical-coil extension springs (hereinafter to be referred as extension spring) in the commercial vehicle seat on the market at present, the building site in frequent maximum tension, often causes extension spring in the fracture of grasswort place with car, has shortened the service life of mechanical suspension seat vibration damping base assembly greatly.
The utility model content:
The purpose of this utility model provides mechanical type extension spring, the awl spring two-stage shock attenuation unit in the commercial vehicle seat, it is scientific and reasonable for structure, install the awl spring additional, decompose the stressed of spiral main extension spring, by both synergy and Elastic Matching, prolonged the service life of mechanical suspension seat vibration damping base assembly.
In order to solve the existing problem of background technology, the utility model is by the following technical solutions: it comprises positive base component, tie bolt, the outer rocker arm component, the inner rocker arm component, first connecting pin, pull bar, body weight body component, the major part rocking arm, second connecting pin, bumper, body weight adjusting hand wheel component, roller, the upper bracket component, bolt, the inner rocker arm lining, the inner rocker arm support tube, center bolt, lining, positive base fixed pin shaft, the slide rail component, rubber shock-absorbing seat and main extension spring, it also comprises upper bracket, awl spring and undersetting, positive base component is captiveed joint with the slide rail component by tie bolt, the inboard center of positive base component has been horizontally disposed with positive base fixed pin shaft, positive base fixed pin shaft outer wall is provided with lining, and positive both sides, base component top are provided with the rubber shock-absorbing seat; Outer rocker arm component, inner rocker arm component middle part is hinged by inner rocker arm lining, inner rocker arm support tube, center bolt, and the lower end of outer rocker arm component, inner rocker arm component all is connected in positive base component inside; Inner rocker arm component upper end is connected with the upper bracket component with roller by bolt, and upper bracket component rear side is provided with body weight adjusting hand wheel component; Roller top is disposed with pull bar, major part rocking arm and body weight body component, pull bar, major part rocking arm and body weight body component rear and front end are connected with second connecting pin by first connecting pin respectively, pull bar is connected by main extension spring with outer rocker arm component upper end, and main extension spring one side is provided with bumper; The first connecting pin lower end is provided with upper bracket, and positive front side, base component top is provided with undersetting, is connected with the awl spring between upper bracket and the undersetting.
Described awl spring is the trochoid spiral compression spring, and its steel wire diameter is φ 4.5mm, and the awl spring is contained between upper bracket and the undersetting with 10% pre compressed magnitude.
Described main extension spring steel wire diameter is φ 7mm.
Principle of work of the present utility model is: install the awl spring additional between the underframe of former vibration damping base assembly front end and upper bracket, its two ends are respectively with upper bracket and undersetting location.For keeping the traveling comfort of seat design, former main extension spring steel wire diameter changes φ 7mm into by φ 8mm, and awl spring steel wire diameter selects for use φ 4.5mm to be complementary, and the awl spring is mounted in it with 10% pre compressed magnitude.When running car when jolting the road surface, the effect that the main extension spring of seat vibration damping base assembly is subjected to stretching repeatedly also makes simultaneously the awl spring be subjected to compressing repeatedly, because the cutting property of change that reaches it by compression of awl spring, has improved the force-bearing situation of main extension spring to a great extent.
The utlity model has following beneficial effect:
1, in same structure, because the synergy of main extension spring and awl spring has improved the force-bearing situation of each framing member, as stressed with the moveable hinge contact of interior outer rocker arm, adjusting mechanism stressed etc.;
2, owing to reduced the steel wire diameter of main extension spring, also reduced this spring stressed under the location status of limit position simultaneously, improved the durability of main extension spring;
3, because the reducing of main extension spring application force, firmly also reducing of adjusting hand wheel, particularly evident when particularly adjusting to high-end trim;
4, because the change of awl spring cuts character, realize the function that body weight is adjusted voluntarily to a certain extent, reduced the adjustment frequency of seat.
Description of drawings:
Fig. 1 is a structural representation of the present utility model,
Fig. 2 is the left view of Fig. 1.
The specific embodiment:
With reference to Fig. 1-2, this specific embodiment is by the following technical solutions: it comprises positive base component 1, tie bolt 2, outer rocker arm component 3, inner rocker arm component 4, first connecting pin 5, pull bar 6, body weight body component 7, major part rocking arm 8, second connecting pin 9, bumper 10, body weight adjusting hand wheel component 11, roller 12, upper bracket component 13, bolt 14, inner rocker arm lining 15, inner rocker arm support tube 16, center bolt 17, lining 18, positive base fixed pin shaft 19, slide rail component 20, rubber shock-absorbing seat 21 and main extension spring 25, it also comprises upper bracket 22, awl spring 23 and undersetting 24, positive base component 1 is captiveed joint with slide rail component 20 by tie bolt 2, positive base component 1 inboard center has been horizontally disposed with positive base fixed pin shaft 19, positive base fixed pin shaft 19 outer walls are provided with lining 18, and positive both sides, base component 1 top are provided with rubber shock-absorbing seat 21; Outer rocker arm component 3, inner rocker arm component 4 middle parts are hinged by inner rocker arm lining 15, inner rocker arm support tube 16, center bolt 17, and the lower end of outer rocker arm component 3, inner rocker arm component 4 all is connected in positive base component 1 inside; Inner rocker arm component 4 upper ends are connected with upper bracket component 13 with roller 12 by bolt 14, and upper bracket component 13 rear sides are provided with body weight adjusting hand wheel component 11; Roller 12 tops are disposed with pull bar 6, major part rocking arm 8 and body weight body component 7, pull bar 6, major part rocking arm 8 and body weight body component 7 rear and front ends are connected with second connecting pin 9 by first connecting pin 5 respectively, pull bar 6 is connected by main extension spring 25 with outer rocker arm component 3 upper ends, and main extension spring 25 1 sides are provided with bumper 10; First connecting pin, 5 lower ends are provided with upper bracket 22, and positive front side, base component 1 top is provided with undersetting 24, are connected with awl spring 23 between upper bracket 22 and the undersetting 24.
Described awl spring 23 is the trochoid spiral compression spring, and its steel wire diameter is φ 4.5mm, and awl spring 23 is contained between upper bracket 22 and the undersetting 24 with 10% pre compressed magnitude.
Described main extension spring 25 steel wire diameter are φ 7mm.
The principle of work of this specific embodiment is: install awl spring 23 between the underframe of former vibration damping base assembly front end and upper bracket additional, its two ends are respectively with upper bracket 22 and undersetting 24 location.For keeping the traveling comfort of seat design, former main extension spring 25 steel wire diameter change φ 7mm into by φ 8mm, and awl spring steel wire diameter selects for use φ 4.5mm to be complementary, and awl spring 23 is mounted in it with 10% pre compressed magnitude.When running car when jolting the road surface, the effect that the main extension spring 25 of seat vibration damping base assembly is subjected to stretching repeatedly, also make simultaneously awl spring 23 be subjected to compressing repeatedly,, improved the force-bearing situation of main extension spring 25 to a great extent owing to bore the cutting property of change that reaches it by compression of spring 23.
This specific embodiment is scientific and reasonable for structure, installs the awl spring additional, decomposes the stressed of spiral main extension spring, by both synergy and Elastic Matching, has prolonged the service life of mechanical suspension seat vibration damping base assembly.
Claims (3)
1. the mechanical type extension spring in the commercial vehicle seat, awl spring two-stage shock attenuation unit, it comprises positive base component (1), tie bolt (2), outer rocker arm component (3), inner rocker arm component (4), first connecting pin (5), pull bar (6), body weight body component (7), major part rocking arm (8), second connecting pin (9), bumper (10), body weight adjusting hand wheel component (11), roller (12), upper bracket component (13), bolt (14), inner rocker arm lining (15), inner rocker arm support tube (16), center bolt (17), lining (18), positive base fixed pin shaft (19), slide rail component (20), rubber shock-absorbing seat (21) and main extension spring (25), it is characterized in that it also comprises upper bracket (22), awl spring (23) and undersetting (24), positive base component (1) is captiveed joint with slide rail component (20) by tie bolt 2, the positive inboard center of base component (1) has been horizontally disposed with positive base fixed pin shaft (19), positive base fixed pin shaft (19) outer wall is provided with lining (18), and positive base component (1) both sides, top are provided with rubber shock-absorbing seat (21); Outer rocker arm component (3), inner rocker arm component (4) middle part is hinged by inner rocker arm lining (15), inner rocker arm support tube (16), center bolt (17), and the lower end of outer rocker arm component (3), inner rocker arm component (4) all is connected in positive base component (1) inside; Inner rocker arm component (4) upper end is connected with upper bracket component (13) with roller (12) by bolt (14), and upper bracket component (13) rear side is provided with body weight adjusting hand wheel component (11); Roller (12) top is disposed with pull bar (6), major part rocking arm (8) and body weight body component (7), pull bar (6), major part rocking arm (8) and body weight body component (7) rear and front end are connected with second connecting pin (9) by first connecting pin (5) respectively, pull bar (6) is connected by main extension spring (25) with outer rocker arm component (3) upper end, and main extension spring (25) one sides are provided with bumper (10); First connecting pin (5) lower end is provided with upper bracket (22), and positive base component (1) front side, top is provided with undersetting (24), is connected with awl spring (23) between upper bracket (22) and the undersetting (24).
2. the mechanical type extension spring in the commercial vehicle seat according to claim 1, awl spring two-stage shock attenuation unit, it is characterized in that described awl spring (23) is the trochoid spiral compression spring, its steel wire diameter is φ 4.5mm, and awl spring (23) is contained between upper bracket (22) and the undersetting (24) with 10% pre compressed magnitude.
3. the mechanical type extension spring in the commercial vehicle seat according to claim 1, awl spring two-stage shock attenuation unit is characterized in that described main extension spring (25) steel wire diameter is φ 7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200142057U CN201970888U (en) | 2011-01-18 | 2011-01-18 | Mechanical tension spring-volute spring double-stage vibration-damping mechanism in commercial vehicle chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200142057U CN201970888U (en) | 2011-01-18 | 2011-01-18 | Mechanical tension spring-volute spring double-stage vibration-damping mechanism in commercial vehicle chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201970888U true CN201970888U (en) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200142057U Expired - Fee Related CN201970888U (en) | 2011-01-18 | 2011-01-18 | Mechanical tension spring-volute spring double-stage vibration-damping mechanism in commercial vehicle chair |
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| CN (1) | CN201970888U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107587545A (en) * | 2017-07-25 | 2018-01-16 | 海盐派特普科技有限公司 | A kind of anti-vibration support |
| CN107962989A (en) * | 2017-07-25 | 2018-04-27 | 兰溪市拜瑞珂科技服务有限公司 | A kind of adjustable vibration absorber |
| WO2018233094A1 (en) * | 2017-06-22 | 2018-12-27 | 江苏大学 | Flotation raft type driving seat structure of crawler-type cereal combine harvester |
| GB2569408A (en) * | 2017-06-22 | 2019-06-19 | Univ Jiangsu | Flotation raft type driving seat structure of crawler-type cereal combine harvester |
-
2011
- 2011-01-18 CN CN2011200142057U patent/CN201970888U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018233094A1 (en) * | 2017-06-22 | 2018-12-27 | 江苏大学 | Flotation raft type driving seat structure of crawler-type cereal combine harvester |
| GB2569408A (en) * | 2017-06-22 | 2019-06-19 | Univ Jiangsu | Flotation raft type driving seat structure of crawler-type cereal combine harvester |
| GB2569408B (en) * | 2017-06-22 | 2022-05-11 | Univ Jiangsu | Floating raft cab seat structure of crawler grain combine harvester |
| CN107587545A (en) * | 2017-07-25 | 2018-01-16 | 海盐派特普科技有限公司 | A kind of anti-vibration support |
| CN107962989A (en) * | 2017-07-25 | 2018-04-27 | 兰溪市拜瑞珂科技服务有限公司 | A kind of adjustable vibration absorber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20120118 |