CN205559665U - Car transmission system rubber torsional damper - Google Patents
Car transmission system rubber torsional damper Download PDFInfo
- Publication number
- CN205559665U CN205559665U CN201620163612.7U CN201620163612U CN205559665U CN 205559665 U CN205559665 U CN 205559665U CN 201620163612 U CN201620163612 U CN 201620163612U CN 205559665 U CN205559665 U CN 205559665U
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- Prior art keywords
- gag lever
- lever post
- rubber
- mass inertia
- circle
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- Vibration Dampers (AREA)
Abstract
The utility model provides a car transmission system rubber torsional damper, relates to a shock absorber, including quality inertia circle, outer lane, the rubber body, flange spare, many gag lever posts, is connected through the vulcanization of the rubber body between outer lane and the flange spare, and two quality inertia being connected with the outer lane both ends enclose respectively that the setting has formed an enclosed construction that has limiting displacement in the axial in flange spare both sides, be equipped with the gag lever post mounting hole on quality inertia circle, the rubber body, the gag lever post passes through the nut with two quality inertia circle locking joint together, be equipped with the defining flange group many equally with gag lever post quantity on the flange spare, every defining flange group comprises two defining flange that are located the gag lever post both sides respectively. The gag lever post is organized with defining flange and is constituteed radially together and direction of rotation limit structure. The utility model discloses can prevent to drop when quality inertia from enclosing in use, can prolong the life of shock absorber, its simple structure, with low costs, the degradable low noise is easily used widely.
Description
Technical field
This utility model relates to a kind of torsional vibration damper, particularly relates to a kind of car transmissions rubber torsional vibration damper being applicable to automobile rear drive drive system vibration and noise reducing.
Background technology
Automotive power transmission system twisting vibration is one of main source of automobile vibration and noise, to car load NVH performance important.At present, on power transmission shaft install torsional vibration damper, be solve car transmissions vibration noise be one of less expensive and effective means.
The vibration-damping function of rubber torsional vibration damper is mainly realized by the principle of the inertia force of mass inertia circle with the anti-phase dynamic absorber offseted of exciting force and the decay of rubber damping heat, and the rubber torsional vibration damper structure commonly used on market the most at home mainly has two kinds:
The first is to be connected by vulcanite with adpting flange part by mass inertia circle, is fastened with power transmission shaft by the pilot hole in adpting flange part during assembling.This structure compared with simple, cost is relatively low, but owing to being not provided with effective position limiting structure, mass inertia circle degree of freedom is unrestricted, and in actual use, vehicle is in anxious acceleration and deceleration or brake hard, and when vehicle jolts shake or resonance, due to effect of inertia, cause that rubber is easy to produce ultralimit deformation and pre-burst lost efficacy, reduce vibroshock service life, mass inertia circle can be caused to get rid of abjection time serious to injure other parts of power transmission shaft periphery such as pipe fitting, fuel tank, jeopardize traffic safety.
The second is increase position limiting structure on the basis of the first, it is usually and is filled by riveting at mass inertia circle inner peripheral surface, the mode such as screw threads for fastening or interference fit arranges several and stands to the center of circle, metal spacing pin in flange part outer circumference surface correspondence spacing hole, formed circumference to and axial limiting, the plastic friction sheet of quantity Matching can be set by injection molding manner between mass inertia circle inner peripheral surface and flange part outer circumference surface simultaneously, ready-made radial direction is spacing, this class formation can effectively limit each to degree of freedom of mass inertia circle, prevent from rubber from producing ultralimit to deform and premature deterioration, but the parts owing to needing are more, manufacturing process is more complicated, relatively costly, it is difficult to wide popularization and application.
Summary of the invention
The technical problems to be solved in the utility model is: provides one to come off when can prevent mass inertia circle in use, increase the service life, simple in construction, lower-cost car transmissions rubber torsional vibration damper.
The technical scheme solving above-mentioned technical problem is: a kind of car transmissions rubber torsional vibration damper, including mass inertia circle, outer ring, rubber bodies, for the adpting flange part being fastenedly connected with power transmission shaft, described adpting flange part is positioned in the middle part of the endoporus of outer ring, is connected by uniform multiple rubber bodies sulfuration between this outer ring with adpting flange part；Described mass inertia circle has two, is respectively symmetrically the two ends being arranged on outer ring endoporus；It is characterized in that: this vibroshock also includes many gag lever posts；The coaxial gag lever post installing hole of multiple connection it is respectively arranged with in described mass inertia circle, rubber bodies, two mass inertia circle lockings are linked together by nut by the shaft of gag lever post through the gag lever post installing hole in mass inertia circle, rubber bodies, the end of gag lever post；Described adpting flange part is provided with in the position of corresponding rubber bodies and gag lever post quantity defining flange group as much at equal intervals along excircle, and each defining flange group is made up of two defining flanges laying respectively at gag lever post both sides.
Further technical scheme of the present utility model is: is provided with in the middle part of described outer ring inner peripheral surface and press-fits the positioning boss supporting location for mass inertia circle.
Further technical scheme of the present utility model is: described mass inertia circle outer circumference surface is press-fited by the endoporus of interference fit with two ends, outer ring and is connected.
Further technical scheme of the present utility model is: described mass inertia circle is provided with the counterbore of connection gag lever post installing hole in outer face, and the quantity of this counterbore is consistent with the quantity of gag lever post.
Further technical scheme of the present utility model is: be additionally provided with flange pilot hole and flange mesopore on described adpting flange part.
Further technical scheme of the present utility model is: be respectively arranged with yielding rubber in the rubber bodies both ends of the surface corresponding with mass inertia circle, adpting flange part both ends of the surface, and yielding rubber is integrated sulfuration and is connected with rubber bodies.
Owing to using said structure, the car transmissions rubber torsional vibration damper of this utility model compared with prior art, has the advantages that
1. come off when can prevent mass inertia circle in use, increase the service life:
Owing to this utility model includes mass inertia circle, outer ring, rubber bodies, adpting flange part, many gag lever posts, it is connected by uniform multiple rubber bodies sulfuration between outer ring with adpting flange part；Mass inertia circle has two, is respectively symmetrically the two ends being arranged on outer ring endoporus；Two mass inertia circle lockings are linked together by nut by gag lever post through the gag lever post installing hole in mass inertia circle, rubber bodies, end；Adpting flange part is provided with in the position of corresponding rubber bodies and gag lever post quantity defining flange group as much at equal intervals along excircle, and each defining flange group is made up of two defining flanges laying respectively at gag lever post both sides.Therefore, this utility model is by arranging defining flange group and gag lever post, define one at the enclosed construction radially with direction of rotation with position-limiting action, two the mass inertia circles being connected with outer ring interference fit are separately positioned on the both sides of adpting flange part simultaneously, define one at the enclosed construction axially with position-limiting action.By above radial direction, direction of rotation, axial position limiting structure, limit in radial direction, rotate and axial moving displacement, avoiding the inertia motion owing to mass inertia circle that quality is bigger is excessive drives rubber bodies to produce the deflection required beyond design, prevent rubber bodies from producing tear in early days lost efficacy due to ultralimit deformation, extend the service life of vibroshock, even if in the case of when serious, rubber bodies produces unexpected damage, mass inertia circle does not comes off yet or is flown out by hitting, and stops potential safety hazard.
2. simple in construction, cost are relatively low:
This utility model is by arranging defining flange group and gag lever post, define one at the enclosed construction radially with direction of rotation with position-limiting action, avoid prior art to need to arrange the spacing parts such as metal spacing pin, injection-moulded plastic friction plate by modes such as riveting dress, screw threads for fastening or interference fit, the parts needed are less, simple in construction, and after rubber heat cure molding, achieve that through simply press-fiting and fastening assembling, manufacturing process is relatively simple, and cost is relatively low, it is easy to popularization and application.
3. can effectively reduce spacing contact or collision, fricative noise:
Owing to rubber bodies of the present utility model is respectively arranged with yielding rubber in the both ends of the surface corresponding with mass inertia circle, yielding rubber is integrated sulfuration and is connected with rubber bodies；Additionally, the inwall that gag lever post contacts with the gag lever post installing hole of rubber bodies is provided with the rubber layer of adequate thickness, by the cushioning effect of rubber, can effectively reduce spacing contact or collision, fricative noise.
Accompanying drawing explanation
The front view of the car transmissions rubber torsional vibration damper of Fig. 1: this utility model；
The A-A sectional view of Fig. 2: Fig. 1.
In above-mentioned accompanying drawing, being described as follows of each label:
1-mass inertia circle, 11-counterbore, 12-gag lever post installing hole A, 2-outer ring, 21-positioning boss,
3-rubber bodies, 31-yielding rubber, 32-gag lever post installing hole B, 4-gag lever post,
5-adpting flange part, 51-flange mesopore, 52-flange pilot hole, 53-defining flange,
6-nut.
Detailed description of the invention
Embodiment one:
A kind of car transmissions rubber torsional vibration damper, including have enough weight can produce 2 mass inertia circles 1 of inertia displacement, 2,4, outer ring, 3,4 gag lever posts 4 of rubber bodies, for the adpting flange part 5 being fastenedly connected with power transmission shaft, wherein:
Described adpting flange part 5 is positioned in the middle part of the endoporus of outer ring 2, is connected by 4 uniform rubber bodies 3 sulfurations between this outer ring 2 with adpting flange part 5；The outer circumference surface of 2 described mass inertia circles 1 is respectively symmetrically the two ends being fitted in outer ring 2 endoporus by interference fit；It is provided with in the middle part of the inner peripheral surface of outer ring 2 and press-fits the positioning boss 21 supporting location for mass inertia circle 1.By two the mass inertia circles being connected with outer ring interference fit being separately positioned on the both sides of adpting flange part, define one at the enclosed construction axially with position-limiting action.
The coaxial gag lever post installing holes of 4 connections it are respectively arranged with in described mass inertia circle 1, rubber bodies 3, it is i.e. on mass inertia circle 1, to be provided with 4 gag lever post installing hole A12, being provided with 4 coaxial gag lever post installing hole B32 connected with gag lever post installing hole A12 in rubber bodies 3, each gag lever post installing hole is elongate holes；Described mass inertia circle 1 is provided with the counterbore 11 of connection gag lever post installing hole A12 in outer face, and the quantity of this counterbore 11 is consistent with the quantity of gag lever post 4, and each counterbore 11 is for be the most equidistantly distributed.Described gag lever post 4 is countersunk head connecting rod, the countersunk nut end of this gag lever post 4 is positioned at the counterbore 11 of side mass inertia circle 1, the shaft of gag lever post 4 is through the gag lever post installing hole in mass inertia circle 1, rubber bodies 3, and two mass inertia circle 1 lockings are linked together by the tail end end of gag lever post 4 by being positioned at the nut 6 of the counterbore 11 of opposite side mass inertia circle 1；
Described adpting flange part 5 is provided with in the position of corresponding rubber bodies 3 and gag lever post quantity defining flange group as much at equal intervals along excircle, and each defining flange group is respectively symmetrically by two and is positioned at the defining flange 53 of gag lever post both sides and constitutes.This defining flange group and gag lever post together form an enclosed construction in radial direction and direction of rotation with position-limiting action.By the dimensional fits of the external diameter etc. of the spacing of two defining flanges 53 and gag lever post 4 that adjust defining flange group, mass inertia circle 1 can be met radially and the purpose of different automobile types matched design degree of freedom of direction of rotation.
Being additionally provided with flange pilot hole 52 and flange mesopore 51 on described adpting flange part 5, wherein flange pilot hole 52 is 4, for arranging distribution the most at equal intervals, mates needs according to different automobile types, and flange pilot hole 52 can also be 2,3, or more than 4.This flange pilot hole 52 is except in addition to being fastenedly connected with power transmission shaft, it may also be used for sulfidization molding positions.
It is respectively arranged with yielding rubber 31 in rubber bodies 3 both ends of the surface corresponding with mass inertia circle 1, adpting flange part 5 both ends of the surface, yielding rubber 31 is integrated sulfuration and is connected with rubber bodies 3, this yielding rubber 31 primarily serves axial limiting cushioning effect, reduces metal spacing contact noise.
Mating needs according to different automobile types, rubber bodies 3 is it can also be provided that 3, or more than 4, rubber bodies 3 arrange quantity and defining flange 53 organize number, mating holes 11 quantity consistent.
As a kind of conversion of the present embodiment one, mating needs according to different automobile types, described counterbore 11 can also be 2,3, or more than 4；Rubber bodies 3 is it can also be provided that 2,3, or more than 4；The group number of defining flange group can also be 2 groups, 3 groups, or more than 4 groups；But rubber bodies 3 the group number of quantity and defining flange group is set, the quantity of counterbore 11 should be consistent.
As another conversion of the present embodiment one, mating needs according to different automobile types, described flange pilot hole 52 can also be 2,3, or more than 4.
Claims (6)
1. a car transmissions rubber torsional vibration damper, including mass inertia circle (1), outer ring (2), rubber bodies (3), for the adpting flange part (5) that is fastenedly connected with power transmission shaft, described adpting flange part (5) is positioned in the middle part of the endoporus of outer ring (2), is connected by uniform multiple rubber bodies (3) sulfuration between this outer ring (2) with adpting flange part (5)；Described mass inertia circle (1) has two, is respectively symmetrically the two ends being arranged on outer ring (2) endoporus；It is characterized in that: this vibroshock also includes many gag lever posts (4)；The coaxial gag lever post installing hole of multiple connection it is respectively arranged with in described mass inertia circle (1), rubber bodies (3), two mass inertia circle (1) lockings are linked together by nut by the shaft of gag lever post (4) through the gag lever post installing hole in mass inertia circle (1), rubber bodies (3), the end of gag lever post (4)；Described adpting flange part (5) is provided with in the position of corresponding rubber bodies (3) and gag lever post quantity defining flange group as much at equal intervals along excircle, and each defining flange group is made up of two defining flanges (53) laying respectively at gag lever post both sides.
Car transmissions rubber torsional vibration damper the most according to claim 1, it is characterised in that: it is provided with in the middle part of described outer ring (2) inner peripheral surface and press-fits the positioning boss (21) supporting location for mass inertia circle (1).
Car transmissions rubber torsional vibration damper the most according to claim 1, it is characterised in that: described mass inertia circle (1) outer circumference surface is press-fited by the endoporus of interference fit with outer ring (2) two ends and is connected.
Car transmissions rubber torsional vibration damper the most according to claim 1, it is characterized in that: described mass inertia circle (1) is provided with the counterbore (11) of connection gag lever post installing hole in outer face, and the quantity of this counterbore (11) is consistent with the quantity of gag lever post (4).
Car transmissions rubber torsional vibration damper the most according to claim 1, it is characterised in that: it is additionally provided with flange pilot hole (52) and flange mesopore (51) on described adpting flange part (5).
6. according to the car transmissions rubber torsional vibration damper described in claim 1 to 5 any claim, it is characterized in that: be respectively arranged with yielding rubber (31) in rubber bodies (3) both ends of the surface corresponding with mass inertia circle (1), adpting flange part (5) both ends of the surface, yielding rubber (31) is integrated sulfuration and is connected with rubber bodies (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620163612.7U CN205559665U (en) | 2016-03-03 | 2016-03-03 | Car transmission system rubber torsional damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620163612.7U CN205559665U (en) | 2016-03-03 | 2016-03-03 | Car transmission system rubber torsional damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205559665U true CN205559665U (en) | 2016-09-07 |
Family
ID=56816210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620163612.7U Expired - Fee Related CN205559665U (en) | 2016-03-03 | 2016-03-03 | Car transmission system rubber torsional damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205559665U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570370A (en) * | 2016-03-03 | 2016-05-11 | 柳州金鸿橡塑有限公司 | Rubber torsion damper of car transmission system |
| CN108087471A (en) * | 2018-01-23 | 2018-05-29 | 南京理工大学 | A kind of twin ring spring buffer unit |
-
2016
- 2016-03-03 CN CN201620163612.7U patent/CN205559665U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570370A (en) * | 2016-03-03 | 2016-05-11 | 柳州金鸿橡塑有限公司 | Rubber torsion damper of car transmission system |
| CN108087471A (en) * | 2018-01-23 | 2018-05-29 | 南京理工大学 | A kind of twin ring spring buffer unit |
| CN108087471B (en) * | 2018-01-23 | 2023-11-28 | 南京理工大学 | Duplex annular spring buffer device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20210303 |