CN209725092U - A kind of double mass flywheel hub - Google Patents
A kind of double mass flywheel hub Download PDFInfo
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- CN209725092U CN209725092U CN201920591864.3U CN201920591864U CN209725092U CN 209725092 U CN209725092 U CN 209725092U CN 201920591864 U CN201920591864 U CN 201920591864U CN 209725092 U CN209725092 U CN 209725092U
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- mass flywheel
- connecting plate
- double mass
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Abstract
The utility model provides a kind of double mass flywheel hub, belongs to technical field of automobile accessories.It solves the problems such as existing double mass flywheel hub positioning is inconvenient, structural strength is bad.This double mass flywheel hub includes tubular ontology, ontology is coaxially arranged with the splined hole axially penetrated through, the outer peripheral surface of ontology has the connecting plate of a circle diameter convex, the through-hole that connecting plate has several groups circumferentially uniformly distributed, the hole wall of splined hole have axially through limiting groove, connecting plate is equipped with the buffer structure of anti-vibration reducing noise in through hole, if the outer peripheral surface of ontology has the reinforcing rib that arterial highway is circumferentially uniformly distributed and is connected with connecting plate.The utility model has the advantages that positioning is convenient, anti-vibration reducing noise effect is good, structural strength is high and is convenient for heat dissipation.
Description
Technical field
The utility model belongs to technical field of automobile accessories, is related to a kind of double mass flywheel accessory, in particular to a kind of double
Mass flywheel hub.
Background technique
Double mass flywheel is applied in automotive power transmission system, and the torsional oscillation of engine crankshaft can more efficiently be isolated,
Be conducive to improve the service performance of automobile.
Such as Chinese patent literature data disclose it is a kind of with flexible structure double mass flywheel [application number:
201420779014.3；Authorization Notice No.: CN204372049U] comprising primary flywheel, hub, flexible disk, rivet, double matter
The center for measuring flywheel is equipped with hub, and the top of hub is arranged with flexible disk, and the lower part of hub is arranged with another flexible disk, and position
Flexible disk, hub and another flexible disk are connected using rivet in the outer rim of hub, are arranged with primary fly positioned at the outer rim of hub
Wheel, and the inner edge for being located at primary flywheel is connected flexible disk, primary flywheel and another flexible disk using another rivet.
The above-mentioned double mass flywheel with flexible structure avoids double mass flywheel from axially putting by the setting of flexible disk
It is dynamic, vibrating noise is reduced, service life is extended, but the hub in above-mentioned double mass flywheel positions inconvenient, splined hole
Not ideal enough with crankshaft cooperation precision, hub is ineffective for the anti-vibration reducing noise for the through hole that rivet passes through, and the structure of hub is strong
It spends also not ideal enough.
Summary of the invention
The purpose of this utility model is that it is convenient, anti-to provide a kind of positioning for the above-mentioned problems in the prior art
Excellent noise reduction effect, the structural strength of shaking are high and are convenient for the double mass flywheel hub of heat dissipation.
The purpose of this utility model can be realized by the following technical scheme: a kind of double mass flywheel hub, including be in
The ontology of tubular, the ontology are coaxially arranged with the splined hole axially penetrated through, and the outer peripheral surface of the ontology has a circle diameter
The connecting plate of convex, the through-hole that the connecting plate has several groups circumferentially uniformly distributed, which is characterized in that the splined hole
Hole wall have axially through limiting groove, the connecting plate in through hole be equipped with anti-vibration reducing noise buffer structure, it is described
If the outer peripheral surface of ontology has the reinforcing rib that arterial highway is circumferentially uniformly distributed and is connected with connecting plate.
This double mass flywheel, by the setting of limiting groove, is facilitated positioning, the positioning of splined hole is not only facilitated to add with hub
Work, and make splined hole and crankshaft registration, the two cooperates precision high；Buffer structure plays anti-vibration reducing noise to through hole and makees
With；Reinforcing rib increases the structural strength between ontology and connecting plate, and when this double mass flywheel is rotated with hub, reinforcing rib
Fanning action is played, so that double mass flywheel rapid heat dissipation, avoids thermal deformation, improves job stability.
In a kind of above-mentioned double mass flywheel hub, the quantity of the limiting groove is four and is circumferentially evenly distributed with.
It is positioned such that conveniently, splined hole uniform force, torque transmitting is steady.
In a kind of above-mentioned double mass flywheel hub, the axial length of the reinforcing rib is equal to ontology to reinforcing rib
Side axle is arranged to the length for protruding from connecting plate, the outer end of the reinforcing rib close to through-hole.The structure of reinforcing rib in this way is strong
Degree is high, and the pectinid area of reinforcing rib is big, ensure that heat dissipation effect.
In a kind of above-mentioned double mass flywheel hub, the reinforcing rib favours the outer peripheral surface setting of ontology, adds
The angle in strengthening tendons and body peripheral face is 45 °.
In a kind of above-mentioned double mass flywheel hub, the buffer structure includes that vulcanization is fixed on through-hole wall
Rubber sleeve.Rubber sleeve is coated on the outer wall of the rivet across through-hole, avoids playing antivibration drop between rivet and through-hole there are gap
The effect of making an uproar.
In a kind of above-mentioned double mass flywheel hub, the both ends of the rubber sleeve, which all have, stretches out through-hole corresponding end
The flange of mouth and diameter convex.Flange plays the role of anti-vibration reducing noise, can save previous flexible disk, reduce manufacturing cost.
In a kind of above-mentioned double mass flywheel hub, the outer peripheral surface of the connecting plate have several circumferential directions uniformly distributed and
The locating piece of radially protruding, the outer peripheral surface of the root arc transition of the locating piece to connecting plate.Locating piece root will not answer
Power is concentrated, and structural strength is high, and locating piece positions convenient for the outer peripheral surface of connecting plate, cooperates limiting groove to play Dual positioning work
With positioning accuracy is high.
In a kind of above-mentioned double mass flywheel hub, the connecting plate has axial convex far from the end face of reinforcing rib
Position-limiting drum out, the position-limiting drum and ontology are coaxially disposed, and the position-limiting drum handover has radial convex in the inner wall of ontology
The transition shoulder risen.Position-limiting drum facilitates the limit of primary flywheel end, and convenient for positioning assembly, transition shoulder avoids position-limiting drum and this
Body junction stress is concentrated, and transition shoulder is placed convenient for gasket positioning.
Compared with prior art, this double mass flywheel hub positions convenient, and positioning accuracy is high, and torque transmitting is stablized, and
And structural strength is high, anti-vibration reducing noise effect is good, can reduce manufacturing cost, can improve heat dissipation effect, long service life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of this double mass flywheel hub.
Fig. 2 is the structure sectional view of Section A-A in Fig. 1.
In figure, 1, ontology；2, splined hole；3, connecting plate；31, locating piece；4, through-hole；5, limiting groove；6, reinforcing rib；7,
Rubber sleeve；71, flange；8, position-limiting drum；9, transition shoulder.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As depicted in figs. 1 and 2, this double mass flywheel hub includes tubular ontology 1, and ontology 1 is coaxially arranged with axis
To perforative splined hole 2, the outer peripheral surface of ontology 1 has the connecting plate 3 of a circle diameter convex, and connecting plate 3 is circumferentially equal with four groups
The through-hole 4 of cloth, the quantity of every group of through-hole 4 are two, the hole wall of splined hole 2 have axially through limiting groove 5, connecting plate 3
The buffer structure of anti-vibration reducing noise is equipped at through-hole 4, if the outer peripheral surface of ontology 1 has arterial highway circumferentially uniformly distributed and connects with connecting plate 3
Integral reinforcing rib 6.
It further describes in detail, the quantity of limiting groove 5 is four and is circumferentially evenly distributed in the present embodiment.This double mass flywheel disk
Hub passes through the setting of limiting groove 5, facilitates positioning, not only facilitates the positioning process of splined hole 2, but also makes splined hole 2 and song
Axis registration, the two cooperate precision high, 2 uniform force of splined hole, and torque transmitting is steady.For positioning accuracy height, connecting plate 3
Outer peripheral surface have four pieces of circumferential directions uniformly distributed and the locating piece 31 of radially protruding, the root arc transition of locating piece 31 to connecting plate 3
Outer peripheral surface；Easy to assembly in order to position, connecting plate 3 has axially projecting position-limiting drum 8, limit far from the end face of reinforcing rib 6
Cylinder 8 is coaxially disposed with ontology 1, and position-limiting drum 8 joins the inner wall in ontology 1 with the transition shoulder 9 of radial protrusion.
When this double mass flywheel is rotated with hub, reinforcing rib 6 plays fanning action, so that double mass flywheel heat dissipation is fast
Speed avoids thermal deformation, improves job stability；It is axially projecting to 6 side of reinforcing rib that the axial length of reinforcing rib 6 is equal to ontology 1
It is arranged in the outer end of the length of connecting plate 3, reinforcing rib 6 close to through-hole 4, reinforcing rib 6 favours the outer peripheral surface setting of ontology 1,
The angle of reinforcing rib 6 and 1 outer peripheral surface of ontology is 45 °, and the inclined direction of each reinforcing rib 6 is consistent, each reinforcing rib 6 in the present embodiment
It tilts clockwise, makes air, to external diffusion, improve sky in circinate with the reinforcing rib 6 that ontology 1 rotates in this way
Gas velocity and heat dissipation area, enhance heat dissipation effect.
Buffer structure includes the rubber sleeve 7 that vulcanization is fixed on 4 inner wall of through-hole, and the both ends of rubber sleeve 7, which all have, stretches out through-hole 4
The flange 71 of corresponding ports and diameter convex.Rubber sleeve 7 is coated on the outer wall of the rivet across through-hole 4, avoids rivet and through-hole 4
Between there are gaps, play the role of anti-vibration reducing noise, flange 71 plays anti-vibration reducing noise, previous flexible disk can be saved, drop
Low manufacturing cost.
The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.Herein
Described in specific embodiment be only the spirit of the present invention is given an example.The utility model technical field
Technical staff can make various modifications or additions to the described embodiments or be substituted in a similar manner, but
Without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (8)
1. a kind of double mass flywheel hub, including tubular ontology (1), the ontology (1) is coaxially arranged with axial pass through
The splined hole (2) worn, the outer peripheral surface of the ontology (1) have the connecting plate (3) of a circle diameter convex, the connecting plate
(3) with the circumferentially uniformly distributed through-hole (4) of several groups, which is characterized in that the hole wall of the splined hole (2) have axially through
Limiting groove (5) is equipped with the buffer structure of anti-vibration reducing noise at the connecting plate (3) Yu Tongkong (4), the ontology (1)
If outer peripheral surface has the reinforcing rib (6) that arterial highway is circumferentially uniformly distributed and is connected with connecting plate (3).
2. a kind of double mass flywheel hub according to claim 1, which is characterized in that the limiting groove (5)
Quantity is four and is circumferentially evenly distributed with.
3. a kind of double mass flywheel hub according to claim 1, which is characterized in that the axis of the reinforcing rib (6)
It is equal to ontology (1) to reinforcing rib (6) side axle to the length for protruding from connecting plate (3), the outer end of the reinforcing rib (6) to length
Portion is arranged close to through-hole (4).
4. a kind of double mass flywheel hub according to claim 3, which is characterized in that reinforcing rib (6) inclination
It is arranged in the outer peripheral surface of ontology (1), the angle of reinforcing rib (6) and ontology (1) outer peripheral surface is 45 °.
5. a kind of double mass flywheel hub according to claim 1 or 2 or 3 or 4, which is characterized in that the buffering
Structure includes the rubber sleeve (7) that vulcanization is fixed on through-hole (4) inner wall.
6. a kind of double mass flywheel hub according to claim 5, which is characterized in that the two of the rubber sleeve (7)
End all has the flange (71) for stretching out through-hole (4) corresponding ports and diameter convex.
7. a kind of double mass flywheel hub according to claim 6, which is characterized in that outside the connecting plate (3)
Circumferential surface has several circumferential directions uniformly distributed and the locating piece (31) of radially protruding, and the root arc transition of the locating piece (31) is to even
The outer peripheral surface of fishplate bar (3).
8. a kind of double mass flywheel hub according to claim 7, which is characterized in that the connecting plate (3) is separate
The end face of reinforcing rib (6) has axially projecting position-limiting drum (8), and the position-limiting drum (8) and ontology (1) are coaxially disposed, described
Position-limiting drum (8) handover in ontology (1) inner wall have radial protrusion transition shoulder (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920591864.3U CN209725092U (en) | 2019-04-28 | 2019-04-28 | A kind of double mass flywheel hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920591864.3U CN209725092U (en) | 2019-04-28 | 2019-04-28 | A kind of double mass flywheel hub |
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| Publication Number | Publication Date |
|---|---|
| CN209725092U true CN209725092U (en) | 2019-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920591864.3U Active CN209725092U (en) | 2019-04-28 | 2019-04-28 | A kind of double mass flywheel hub |
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| CN (1) | CN209725092U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113829865A (en) * | 2020-06-24 | 2021-12-24 | 广州汽车集团股份有限公司 | Power assembly transmission system and power assembly transmission system matching method |
-
2019
- 2019-04-28 CN CN201920591864.3U patent/CN209725092U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113829865A (en) * | 2020-06-24 | 2021-12-24 | 广州汽车集团股份有限公司 | Power assembly transmission system and power assembly transmission system matching method |
| CN113829865B (en) * | 2020-06-24 | 2024-03-26 | 广州汽车集团股份有限公司 | Power assembly transmission system and power assembly transmission system matching method |
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