CN105570370A - Rubber torsion damper of car transmission system - Google Patents
Rubber torsion damper of car transmission system Download PDFInfo
- Publication number
- CN105570370A CN105570370A CN201610120334.1A CN201610120334A CN105570370A CN 105570370 A CN105570370 A CN 105570370A CN 201610120334 A CN201610120334 A CN 201610120334A CN 105570370 A CN105570370 A CN 105570370A
- Authority
- CN
- China
- Prior art keywords
- mass inertia
- rubber
- limited lever
- outer ring
- flange part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/10—Vibration-dampers; Shock-absorbers using inertia effect
- F16F7/104—Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted
- F16F7/108—Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted on plastics springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/08—Inertia
Abstract
The invention discloses a rubber torsion damper of a car transmission system and relates to a damper. The rubber torsion damper comprises mass inertia rings, an outer ring, rubber bodies, a connecting flange part and a plurality of limiting rods, wherein the outer ring and the connecting flange part are in vulcanization connection through the rubber bodies; the two mass inertia rings connected to the two ends of the outer ring are separately arranged at the two sides of the connecting flange part to form an enclosed structure with limiting effect in an axial direction; limiting rod mounting holes are formed in the mass inertia rings and the rubber bodies; the limiting rods are used for locking and connecting the two mass inertia rings together through nuts; limiting flange groups which are as many as the limiting rods are arranged on the connecting flange part; and each limiting flange group is composed of two limiting flanges which are separately arranged at the two sides of the corresponding limiting rod. The limiting rods and the limiting flange groups together form limiting structures in a radial direction and in a rotation direction. The rubber torsion damper can prevent the mass inertia rings from dropping in use and can prolong the service life of the damper, is simple in structure, is low in cost and is easy to popularize and use, and can reduce noises.
Description
Technical field
The present invention relates to a kind of torsional vibration damper, particularly relate to a kind of car transmissions rubber torsional vibration damper being applicable to automobile rear driving transmission system vibration and noise reducing.
Background technique
Automotive power transmission system torsional vibration is one of main source of automobile vibration and noise, to car load NVH performance important.At present, transmission shaft installing torsional vibration damper, is that to solve car transmissions vibration noises be one of less expensive and effective means.
The principle that the vibration-damping function of rubber torsional vibration damper is mainly decayed by the inertial force of mass inertia circle and the anti-phase dynamic absorber that offsets of excitation force and rubber damping heat-dissipating realizes, and the rubber torsional vibration damper structure at home market generally used at present mainly contains two kinds:
The first is connected by vulcanized rubber with adpting flange part by mass inertia circle, during assembling by the pilot hole in adpting flange part and transmission shaft fastening.This structure is comparatively simple, cost is lower, but owing to not arranging effective limit structure, mass inertia circle degrees of freedom is unrestricted, and in actual use, vehicle is in anxious acceleration and deceleration or emergency braking, and when vehicle jolts shake or resonance, due to effect of inertia, cause that rubber is easy to produce ultralimit distortion and pre-burst lost efficacy, reduce vibration damper working life, mass inertia circle can be caused time serious to get rid of and to deviate to injure other parts of the transmission shaft such as pipe fitting, fuel tank periphery, jeopardize traffic safety.
The second increases limit structure on the basis of the first, generally filled by riveting at mass inertia circle inner peripheral surface, the mode such as screw threads for fastening or interference fit arranges that several stand to the center of circle, through the metal spacing pin in the corresponding spacing hole of flange part outer peripheral surface, form circumferential and axial limiting, simultaneously can mass inertia circle inner peripheral surface with between flange part outer peripheral surface by plastic friction sheet that injection molding manner magnitude setting mates, ready-made radial direction is spacing, this class formation effectively can limit each to degrees of freedom of mass inertia circle, prevent from rubber from producing ultralimit to be out of shape and premature deterioration, but because the component needed are more, manufacturing process is more complicated, cost is higher, be difficult to wide popularization and application.
Summary of the invention
The technical problem to be solved in the present invention is: come off when providing one can prevent mass inertia circle in use, increase the service life, structure is simple, lower-cost car transmissions rubber torsional vibration damper.
The technological scheme solved the problems of the technologies described above is: a kind of car transmissions rubber torsional vibration damper, comprise mass inertia circle, outer ring, rubber body, adpting flange part for being fastenedly connected with transmission shaft, described adpting flange part is positioned in the middle part of the endoporus of outer ring, is connected between this outer ring with adpting flange part by uniform multiple rubber body sulfurations; Described mass inertia circle has two, respectively the symmetrical two ends being arranged on outer ring endoporus; This vibration damper also includes many position-limited levers; Described mass inertia circle, rubber body are respectively arranged with the coaxial position-limited lever mounting hole of multiple connection, the shaft of position-limited lever is through the position-limited lever mounting hole in mass inertia circle, rubber body, and two mass inertia circle lockings are linked together by nut by the end of position-limited lever; Described adpting flange part is provided with the defining flange group with position-limited lever quantity as much along excircle at equal intervals in the position of corresponding rubber body, and each defining flange group is made up of the defining flange that two lay respectively at position-limited lever both sides.
Further technological scheme of the present invention is: be provided with the positioning boss press-fiting supporting and location for mass inertia circle in the middle part of described outer ring inner peripheral surface.
Further technological scheme of the present invention is: described mass inertia circle outer peripheral surface to be press-fited with the endoporus at two ends, outer ring by interference fit and is connected.
Further technological scheme of the present invention is: described mass inertia circle is provided with the counterbore being communicated with position-limited lever mounting hole in exterior edge face, the quantity of this counterbore is consistent with the quantity of position-limited lever.
Further technological scheme of the present invention is: described adpting flange part is also provided with flange pilot hole and flange mesopore.
Further technological scheme more of the present invention is: be respectively arranged with yielding rubber in the rubber body both ends of the surface corresponding with mass inertia circle, adpting flange part both ends of the surface, yielding rubber and rubber body are integrated sulfuration and are connected.
Owing to adopting said structure, the car transmissions rubber torsional vibration damper of the present invention compared with prior art, has following beneficial effect:
1. come off when can prevent mass inertia circle in use, increase the service life:
Owing to the present invention includes mass inertia circle, outer ring, rubber body, adpting flange part, many position-limited levers, be connected by uniform multiple rubber body sulfurations between outer ring with adpting flange part; Mass inertia circle has two, respectively the symmetrical two ends being arranged on outer ring endoporus; Position-limited lever is through the position-limited lever mounting hole in mass inertia circle, rubber body, and two mass inertia circle lockings are linked together by nut by end; Adpting flange part is provided with the defining flange group with position-limited lever quantity as much along excircle at equal intervals in the position of corresponding rubber body, and each defining flange group is made up of the defining flange that two lay respectively at position-limited lever both sides.Therefore, the present invention is by arranging defining flange group and position-limited lever, define one has position-limiting action enclosed construction in radial and sense of rotation, two the mass inertia circles be 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, sense of rotation, axial limit structure, limit radial, rotate and the moving displacement of axis, the inertia motion avoided because mass inertia circle that quality is larger is excessive drives rubber body to produce the amount of deformation exceeding designing requirement, prevent rubber body from producing due to ultralimit distortion and tear inefficacy in early days, extend the working life of vibration damper, even if when serious, rubber body produces unexpected damage, mass inertia circle also can not come off or be hit and fly out, and stops potential safety hazard.
2. structure is simple, cost is lower:
The present invention is by arranging defining flange group and position-limited lever, define one has position-limiting action enclosed construction in radial and sense of rotation, avoid prior art to need to arrange the spacing component such as metal spacing pin, injection-moulded plastic friction plate by modes such as riveting dress, screw threads for fastening or interference fit, the component needed are less, and structure is simple, and after rubber hot vulcanization is shaping, just can realize with fastening assembling through simply press-fiting, manufacturing process is comparatively simple, and cost is lower, is easy to apply.
3. effectively can reduce spacing contact or collision, fricative noise:
Because rubber body of the present invention is respectively arranged with yielding rubber in the both ends of the surface corresponding with mass inertia circle, yielding rubber and rubber body are integrated sulfuration and are connected; In addition, the inwall that position-limited lever contacts with the position-limited lever mounting hole of rubber body is provided with the rubber layer of adequate thickness, by the buffer function of rubber, effectively can reduce spacing contact or collision, fricative noise.
Accompanying drawing explanation
Fig. 1: the plan view of the car transmissions rubber torsional vibration damper of the present invention;
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-position-limited lever mounting hole A, 2-outer ring, 21-positioning boss,
3-rubber body, 31-yielding rubber, 32-position-limited lever mounting hole B, 4-position-limited lever,
5-adpting flange part, 51-flange mesopore, 52-flange pilot hole, 53-defining flange,
6-nut.
Embodiment
embodiment one:
A kind of car transmissions rubber torsional vibration damper, comprises 2 mass inertia circles 1 that can produce inertia displacement, 2,4, outer ring rubber body, 3,4 position-limited levers 4, the adpting flange part 5, wherein for being fastenedly connected with transmission shaft with enough weight:
Described adpting flange part 5 is positioned in the middle part of the endoporus of outer ring 2, is connected between this outer ring 2 with adpting flange part 5 by uniform 4 rubber body 3 sulfurations; The outer peripheral surface of 2 described mass inertia circles 1 is by the interference fit symmetrical two ends being fitted in outer ring 2 endoporus respectively; The positioning boss 21 press-fiting supporting and location for mass inertia circle 1 is provided with in the middle part of the inner peripheral surface of outer ring 2.By two the mass inertia circles be 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.
Described mass inertia circle 1, rubber body 3 are respectively arranged with 4 coaxial position-limited lever mounting holes be communicated with, namely be mass inertia circle 1 is provided with 4 position-limited lever mounting hole A12, rubber body 3 is provided with 4 coaxial position-limited lever mounting hole B32 be communicated with position-limited lever mounting hole A12, each position-limited lever mounting hole is elongate holes; Described mass inertia circle 1 is provided with the counterbore 11 being communicated with position-limited lever mounting hole A12 in exterior edge face, the quantity of this counterbore 11 is consistent with the quantity of position-limited lever 4, and each counterbore 11 is for circumferentially equidistantly to distribute.Described position-limited lever 4 is countersunk head connecting rod, the countersunk nut end of this position-limited lever 4 is positioned at the counterbore 11 of side mass inertia circle 1, the shaft of position-limited lever 4 is through the position-limited lever mounting hole in mass inertia circle 1, rubber body 3, and two mass inertia circle 1 lockings are linked together by the nut 6 being positioned at the counterbore 11 of opposite side mass inertia circle 1 by the tail end end of position-limited lever 4;
Described adpting flange part 5 is provided with the defining flange group with position-limited lever quantity as much along excircle at equal intervals in the position of corresponding rubber body 3, each defining flange group by two respectively the symmetrical defining flange 53 being positioned at position-limited lever both sides form.This defining flange group and position-limited lever together form one has position-limiting action enclosed construction in radial and sense of rotation.By the dimensional fits of the spacing of two defining flanges 53 of adjustment defining flange group and the external diameter of position-limited lever 4 etc., the object of mass inertia circle 1 in the different automobile types matched design degrees of freedom of radial and sense of rotation can be met.
Described adpting flange part 5 is also provided with flange pilot hole 52 and flange mesopore 51, wherein flange pilot hole 52 is 4, for circumferentially arranging distribution at equal intervals, according to different automobile types coupling needs, flange pilot hole 52 also can be 2,3, or is greater than 4.This flange pilot hole 52, except for except being fastenedly connected with transmission shaft, also can be used for sulfidization molding location.
Yielding rubber 31 is respectively arranged with in rubber body 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 with rubber body 3 and is connected, this yielding rubber 31 mainly plays axial limiting buffer function, reduces metal spacing contact noise.
According to different automobile types coupling needs, rubber body 3 also can be set to 3, or is greater than 4, and the group number of rubber body 3 magnitude setting and defining flange 53, the quantity of matching hole 11 are consistent.
One as the present embodiment one converts, and according to different automobile types coupling needs, described counterbore 11 also can be 2,3, or is greater than 4; Rubber body 3 also can be set to 2,3, or is greater than 4; The group number of defining flange group also can be 2 groups, 3 groups, or is greater than 4 groups; But the quantity of the group number of the magnitude setting of rubber body 3 and defining flange group, counterbore 11 should be consistent.
As another conversion of the present embodiment one, according to different automobile types coupling needs, described flange pilot hole 52 also can be 2,3, or is greater than 4.
Claims (6)
1. a car transmissions rubber torsional vibration damper, comprise mass inertia circle (1), outer ring (2), rubber body (3), adpting flange part (5) for being fastenedly connected with transmission shaft, described adpting flange part (5) is positioned in the middle part of the endoporus of outer ring (2), is connected between this outer ring (2) with adpting flange part (5) by uniform multiple rubber body (3) sulfuration; Described mass inertia circle (1) has two, and symmetry is arranged on the two ends of outer ring (2) endoporus respectively; It is characterized in that: this vibration damper also includes many position-limited levers (4); Described mass inertia circle (1), rubber body (3) are respectively arranged with the coaxial position-limited lever mounting hole of multiple connection, the shaft of position-limited lever (4) is through the position-limited lever mounting hole in mass inertia circle (1), rubber body (3), and two mass inertia circle (1) lockings are linked together by nut by the end of position-limited lever (4); Described adpting flange part (5) is provided with the defining flange group with position-limited lever quantity as much along excircle at equal intervals in the position of corresponding rubber body (3), and each defining flange group is made up of the defining flange (53) that two lay respectively at position-limited lever both sides.
2. car transmissions rubber torsional vibration damper according to claim 1, is characterized in that: be provided with the positioning boss (21) press-fiting supporting and location for mass inertia circle (1) in the middle part of described outer ring (2) inner peripheral surface.
3. car transmissions rubber torsional vibration damper according to claim 1, is characterized in that: described mass inertia circle (1) outer peripheral surface to be press-fited with the endoporus at outer ring (2) two ends by interference fit and is connected.
4. car transmissions rubber torsional vibration damper according to claim 1, it is characterized in that: described mass inertia circle (1) is provided with the counterbore (11) being communicated with position-limited lever mounting hole in exterior edge face, the quantity of this counterbore (11) is consistent with the quantity of position-limited lever (4).
5. car transmissions rubber torsional vibration damper according to claim 1, is characterized in that: described adpting flange part (5) is also provided with flange pilot hole (52) and flange mesopore (51).
6. the car transmissions rubber torsional vibration damper according to the arbitrary claim of claim 1 to 5, it is characterized in that: be respectively arranged with yielding rubber (31) in rubber body (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 with rubber body (3) and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610120334.1A CN105570370B (en) | 2016-03-03 | 2016-03-03 | Car transmissions rubber torsional vibration damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610120334.1A CN105570370B (en) | 2016-03-03 | 2016-03-03 | Car transmissions rubber torsional vibration damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105570370A true CN105570370A (en) | 2016-05-11 |
| CN105570370B CN105570370B (en) | 2017-12-26 |
Family
ID=55880849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610120334.1A Active CN105570370B (en) | 2016-03-03 | 2016-03-03 | Car transmissions rubber torsional vibration damper |
Country Status (1)
| Country | Link |
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| CN (1) | CN105570370B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376411A (en) * | 2020-11-23 | 2021-02-19 | 常熟市宝德桥梁构件有限公司 | Bridge beam supports with hierarchical shock attenuation |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3535286A1 (en) * | 1985-10-03 | 1987-04-09 | Opel Adam Ag | Torsional vibration absorber for a drive shaft |
| DE3621143C2 (en) * | 1986-06-24 | 1989-10-12 | Clouth Gummiwerke Ag, 5000 Koeln, De | |
| FR2629546B3 (en) * | 1988-03-31 | 1990-03-23 | Tschan Gmbh | DEVICE FOR SMOKING TORSIONAL OSCILLATIONS AND BENDING OSCILLATIONS OF ROTATING SHAFTS |
| CN103727174A (en) * | 2014-01-03 | 2014-04-16 | 上汽通用五菱汽车股份有限公司 | Torsion damper |
| CN104179883A (en) * | 2014-08-30 | 2014-12-03 | 长城汽车股份有限公司 | Torsion shock absorber for automobile transmission shaft |
| CN104329409A (en) * | 2014-09-29 | 2015-02-04 | 上汽通用五菱汽车股份有限公司 | Torsional vibration damper for vehicle driving system |
| CN104791415A (en) * | 2015-04-14 | 2015-07-22 | 郑州宇通客车股份有限公司 | Power disc, torsion damper using power disc, transmission system and automobile |
| CN204592139U (en) * | 2015-03-18 | 2015-08-26 | 柳州金鸿橡塑有限公司 | Combined type torsional vibration damper |
| CN204592116U (en) * | 2015-02-13 | 2015-08-26 | 柳州金鸿橡塑有限公司 | Mass bumper |
| CN205559665U (en) * | 2016-03-03 | 2016-09-07 | 柳州金鸿橡塑有限公司 | Car transmission system rubber torsional damper |
-
2016
- 2016-03-03 CN CN201610120334.1A patent/CN105570370B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3535286A1 (en) * | 1985-10-03 | 1987-04-09 | Opel Adam Ag | Torsional vibration absorber for a drive shaft |
| DE3621143C2 (en) * | 1986-06-24 | 1989-10-12 | Clouth Gummiwerke Ag, 5000 Koeln, De | |
| FR2629546B3 (en) * | 1988-03-31 | 1990-03-23 | Tschan Gmbh | DEVICE FOR SMOKING TORSIONAL OSCILLATIONS AND BENDING OSCILLATIONS OF ROTATING SHAFTS |
| CN103727174A (en) * | 2014-01-03 | 2014-04-16 | 上汽通用五菱汽车股份有限公司 | Torsion damper |
| CN104179883A (en) * | 2014-08-30 | 2014-12-03 | 长城汽车股份有限公司 | Torsion shock absorber for automobile transmission shaft |
| CN104329409A (en) * | 2014-09-29 | 2015-02-04 | 上汽通用五菱汽车股份有限公司 | Torsional vibration damper for vehicle driving system |
| CN204592116U (en) * | 2015-02-13 | 2015-08-26 | 柳州金鸿橡塑有限公司 | Mass bumper |
| CN204592139U (en) * | 2015-03-18 | 2015-08-26 | 柳州金鸿橡塑有限公司 | Combined type torsional vibration damper |
| CN104791415A (en) * | 2015-04-14 | 2015-07-22 | 郑州宇通客车股份有限公司 | Power disc, torsion damper using power disc, transmission system and automobile |
| CN205559665U (en) * | 2016-03-03 | 2016-09-07 | 柳州金鸿橡塑有限公司 | Car transmission system rubber torsional damper |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376411A (en) * | 2020-11-23 | 2021-02-19 | 常熟市宝德桥梁构件有限公司 | Bridge beam supports with hierarchical shock attenuation |
| CN112376411B (en) * | 2020-11-23 | 2021-09-21 | 常熟市宝德桥梁构件有限公司 | Bridge beam supports with hierarchical shock-absorbing function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105570370B (en) | 2017-12-26 |
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