CN105402158B - A kind of fan elastic axis - Google Patents
A kind of fan elastic axis Download PDFInfo
- Publication number
- CN105402158B CN105402158B CN201510942590.4A CN201510942590A CN105402158B CN 105402158 B CN105402158 B CN 105402158B CN 201510942590 A CN201510942590 A CN 201510942590A CN 105402158 B CN105402158 B CN 105402158B
- Authority
- CN
- China
- Prior art keywords
- flange
- rubber ring
- groove
- axially
- elastic axis
- 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
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/053—Shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/053—Shafts
- F04D29/054—Arrangements for joining or assembling shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of fan elastic axis, including first flange and second flange；It is connected using axis hole between the first flange and second flange, being additionally provided between the two prevents the rigidly connected rubber ring of the two, between the first flange and rubber ring, concave-convex fit structure is respectively equipped between second flange and rubber ring, the rubber ring, which is equipped with, prevents the structure that it is axially deviate from.The fan elastic axis of the present invention, simple in structure, easy for installation, good damping result can transmit the torque of bigger, and will not deviate from there is a situation where rubber and even damage.
Description
Technical field
The present invention relates to engine cool field more particularly to a kind of fan elastic axis.
Background technology
Fan driving shaft is fixed between motor head and fan, and fan is made to be rotated with engine crankshaft, to
Fan is set to cool down engine.To reduce damage of the moment torsional oscillation inertia force of engine crankshaft to parts such as installation bolts
Degree needs the rubber ring for having increased vibration-damping function on fan shaft.Currently used for vibration damping fan axle construction there are mainly two types of,
One is shock-reducing rubbers using TR thin rubber circle as pulley damper structure, another kind be using screw by outer ring flange with
Shock-reducing rubber is fixed, and shock-reducing rubber has boss, inner ring flange to have shrinkage pool, shock-reducing rubber to connect by boss and shrinkage pool cooperation with inner ring flange
It connects, is similar to axis pin mode.Existing scheme effectiveness in vibration suppression is poor, and dismounting is difficult, is unable to axially position, frequent occurrence shock absorber rubber
Abjection damage failure.
Invention content
Simple in structure the object of the present invention is to provide a kind of fan elastic axis, easy for installation, good damping result can pass
More large torque is passed, and will not be deviate from and damage there is a situation where rubber.
To achieve the above object, the present invention provides a kind of fan elastic axis, including first flange and second flange；Described
It is connected using axis hole between one flange and second flange, be additionally provided with prevents the rigidly connected rubber ring of the two between the two, described
First flange and rubber ring between, between second flange and rubber ring be respectively equipped with concave-convex fit structure, the rubber ring is set
There is the structure for preventing it from axially deviating from.
As a further improvement on the present invention, the first flange is equipped with mounting hole, and the second flange is equipped with peace
Axis is filled, the rubber ring is arranged between the mounting hole and installation axle.
As a further improvement of the present invention, the rubber ring is set on the outer end face of one end of second flange the same side
There is the shaft shoulder, the shaft shoulder is between first flange and the axially facing surface of second flange.
As a further improvement of the present invention, the inner wall of the hole installing of the first flange be equipped with along its axially through the
One flange, on the outer ring of the rubber ring, the part of the mounting hole that is inserted in first flange be equipped with along its axially through it is first recessed
Slot, first flange and the first fit depressions；The installation axle outer wall of the second flange, the part for being inserted in rubber ring are equipped with
Along its axially through the second flange, the inner wall of the rubber ring be equipped with along its axially through the second groove, described second
Flange and the second fit depressions.
As a further improvement of the present invention, first flange, the quantity of the second flange are two and edge respectively
The axisymmetrical of first flange and second flange is arranged；The quantity of first groove and the second groove is two and along rubber
The axisymmetrical of circle is arranged.
As a further improvement of the present invention, the line of described two first groove geometric centers and two the second grooves
The line of geometric center is mutually perpendicular to.
As a further improvement of the present invention, the structure for preventing rubber ring from axially deviating from includes being arranged in the second method
Limited block in blue installation axle compresses first flange and rubber ring with the pressing plate in first flange side, the pressing plate is arranged
Between limited block described in Yu Qiyu.
As a further improvement of the present invention, the first flange and second flange are ironcasting；The rubber ring is
The hardness of ethylene propylene diene rubber, the ethylene propylene diene rubber is 65 ± 5HA；The pressing plate is structure steel material.
Advantageous effect
Compared with prior art, fan elastic axis of the invention has following advantageous effect：
1, axis hole connection type is used between first flange and second flange, and rubber ring, rubber are additionally provided between the two person
Cushioning effect is enclosed, damage journey of the moment torsional oscillation inertia force to parts such as installation bolts of engine crankshaft can be effectively reduced
Degree；
2, the shaft shoulder on the outer end face of rubber ring one end can allow the axis of rubber ring when first flange and second flange are assembled
Shoulder is crushed between first flange and the axially facing surface of second flange, the rigid contact of the two axially facing surface is avoided, into one
Step enhancing damping effect；
3, the first flange in first flange inner wall of the hole installing and the first fit depressions on rubber ring outer wall, the second method
The second flange on blue installation axle outer wall and the second fit depressions on rubber ring inner wall, can effectively prevent rubber ring first
Flange and the sliding of the spaced winding of second flange its axis, it is big to transmit torque, and this arrangement can enhance damping effect；
4, the first flange, the second flange, the first groove, the second groove quantity be two and be to be arranged symmetrically, matter
Amount distribution is more reasonable, to reduce Oscillation Amplitude when rotation, can transmit torque and further increase, damping effect further increases
By force；
5, the line of two the first groove geometric centers and the line of two the second groove geometric centers are mutually perpendicular to, and can be passed
Torque delivery further increases, and damping effect further enhances；
6, the limited block in second flange installation axle and positioned at first flange side pressing plate can jointly by first flange and
Rubber ring compresses therebetween, prevents rubber ring from deviating from an axial direction.
By description below and in conjunction with attached drawing, the present invention will become more fully apparent, these attached drawings are for explaining the present invention
Embodiment.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of the fan elastic axis of the present invention；
Fig. 2 is the axial sectional view of the fan elastic axis of the present invention；
Fig. 3 is the transverse sectional view of the fan elastic axis of the present invention；
Fig. 4 is the second flange stereogram of the fan elastic axis of the present invention；
Fig. 5 is the rubber ring stereogram of the fan elastic axis of the present invention；
Fig. 6 is the first flange stereogram of the fan elastic axis of the present invention.
In figure, 1, first flange；2, rubber ring；3, pressing plate；4, washer；5, bolt；6, second flange；7, the first flange；
8, the second flange；9, the first groove；10 second grooves；11, limited block；12, the shaft shoulder.
Specific implementation mode
The embodiment of the present invention is described referring now to the drawings.
Embodiment 1
The specific implementation mode of the present invention is as shown in Figures 1 to 6, is a kind of fan elastic axis, including first flange 1 and the
Two flanges 6；It is connected using axis hole between first flange 1 and second flange 6, be additionally provided with prevents the two rigidly connected between the two
Rubber ring 2 is respectively equipped with concave-convex fit structure, rubber between first flange 1 and rubber ring 2, between second flange 6 and rubber ring 2
Cushion rubber 2, which is equipped with, prevents the structure that it is axially deviate from.
First flange 1 is equipped with mounting hole, and second flange 6 is equipped with installation axle, and rubber ring 2 is arranged in mounting hole and installation
Between axis, wherein rubber ring 2 plays cushioning effect, can effectively reduce the moment torsional oscillation inertia force of engine crankshaft to installation bolt
The damaged condition of equal parts.
The outer end face of one end of rubber ring 2 and 6 the same side of second flange is equipped with a shaft shoulder 12, which is crushed on the
Between one flange 1 and the axially facing surface of second flange 6, the rigid contact of the two axially facing surface is avoided, further enhances and subtracts
Shake effect.
The inner wall of the hole installing of first flange 1 be equipped with along its axially through the first flange 7, on the outer ring of rubber ring 2, be inserted in
The part of the mounting hole of first flange 1 be equipped with along its axially through the first groove 9, the first flange 7 and the first groove 9 match
It closes；The installation axle outer wall of second flange 6, be inserted in rubber ring 2 part be equipped with along its axially through the second flange 8, rubber ring 2
Inner wall be equipped with along its axially through the second groove 10, the second flange 8 matches with the second groove 10.This male-female engagement
Structure can effectively prevent rubber ring 2 to be slided in its axis of the spaced winding of first flange 1 and second flange 6, and it is big to transmit torque, and energy
Enhance damping effect.
First flange 7, the quantity of the second flange 8 are two and respectively along the axis pair of first flange 1 and second flange 6
Claim to arrange, the quantity of the first groove 9 and the second groove 10 is two and arranges along the axisymmetrical of rubber ring 2, Mass Distribution
More rationally, to reduce Oscillation Amplitude when rotation, transferable torque is further increased, damping effect is further enhanced.
The line of two 9 geometric centers of the first groove and the line of two 10 geometric centers of the second groove are mutually perpendicular to, more
Transferable torque is further increased, damping effect is further enhanced.
Prevent the structure that rubber ring 2 is axially deviate from from including the limited block 11 being arranged in the installation axle of second flange 6 and setting
The pressing plate 3 in 1 side of first flange is set, first flange 1 and rubber ring 2 are pressed in by pressing plate 3 by two groups of bolts 5 and washer 4
It is between limited block 11, wherein two bolts 5 are threadedly coupled with two the second flanges 8 in second flange 6 respectively.This
Kind structure can prevent rubber ring 2 from deviating from an axial direction.
In above example, first flange 1 and second flange 6 are ironcasting；Rubber ring 2 is ethylene propylene diene rubber, hard
Degree is 65 ± 5HA, and ageing-resistant performance is good, impact elasticity is preferable, damping effect is good；Pressing plate 3 is structure steel material.
Above in association with most preferred embodiment, invention has been described, but the invention is not limited in implementations disclosed above
Example, and modification, equivalent combinations that various essence according to the present invention carry out should be covered.
Claims (6)
1. a kind of fan elastic axis, including first flange (1) and second flange (6)；The first flange (1) and second flange
(6) it is connected using axis hole between, be additionally provided with prevents the rigidly connected rubber ring (2) of the two between the two, which is characterized in that described
First flange (1) and rubber ring (2) between, between second flange (6) and rubber ring (2) be respectively equipped with concave-convex fit structure,
The rubber ring (2), which is equipped with, prevents the structure that it is axially deviate from, and the first flange (1) is equipped with mounting hole, second method
Blue (6) are equipped with installation axle, and the rubber ring (2) is arranged between the mounting hole and installation axle, the first flange (1)
Inner wall of the hole installing be equipped with along its axially through the first flange (7), on the outer ring of the rubber ring (2), be inserted in first flange (1)
Mounting hole part be equipped with along its axially through the first groove (9), first flange (7) and the first groove (9) matching
It closes；The installation axle outer wall of the second flange (6), be inserted in rubber ring (2) part be equipped with along its axially through the second flange
(8), the inner wall of the rubber ring (2) be equipped with along its axially through the second groove (10), second flange (8) and second
Groove (10) matches.
2. a kind of fan elastic axis according to claim 1, which is characterized in that the rubber ring (2) and second flange (6)
The outer end face of one end of the same side is equipped with the shaft shoulder (12), and the shaft shoulder (12) is located at first flange (1) and second flange (6)
Between axially facing surface.
3. a kind of fan elastic axis according to claim 1, which is characterized in that first flange (7), the second flange
(8) quantity is two and is arranged respectively along the axisymmetrical of first flange (1) and second flange (6)；First groove
(9) it is two with the quantity of the second groove (10) and is arranged along the axisymmetrical of rubber ring (2).
4. a kind of fan elastic axis according to claim 3, which is characterized in that in described two first groove (9) geometry
The line of the heart and the line of two the second groove (10) geometric centers are mutually perpendicular to.
5. a kind of fan elastic axis according to claim 1 or 2 or 3 or 4, which is characterized in that prevent the rubber ring (2)
The structure axially deviate from includes the limited block (11) being arranged in the installation axle of second flange (6) and is arranged in first flange (1)
The pressing plate (3) of side, the pressing plate (3) by first flange (1) and rubber ring (2) be pressed in itself and the limited block (11) it
Between.
6. a kind of fan elastic axis according to claim 5, which is characterized in that the first flange (1) and second flange
(6) it is ironcasting；The rubber ring (2) is ethylene propylene diene rubber, and the hardness of the ethylene propylene diene rubber is 65 ± 5HA；It is described
Pressing plate (3) is structure steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510942590.4A CN105402158B (en) | 2015-12-16 | 2015-12-16 | A kind of fan elastic axis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510942590.4A CN105402158B (en) | 2015-12-16 | 2015-12-16 | A kind of fan elastic axis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105402158A CN105402158A (en) | 2016-03-16 |
| CN105402158B true CN105402158B (en) | 2018-09-25 |
Family
ID=55467850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510942590.4A Active CN105402158B (en) | 2015-12-16 | 2015-12-16 | A kind of fan elastic axis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105402158B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050946A (en) * | 2016-08-01 | 2016-10-26 | 宁波海通汽车配件股份有限公司 | Vibration and noise reduction flange |
| CN106224297A (en) * | 2016-08-19 | 2016-12-14 | 安徽天利动力股份有限公司 | A kind of fan vibration and noise reducing bindiny mechanism |
| CN108316999A (en) * | 2018-03-13 | 2018-07-24 | 华南理工大学 | A kind of cooling fan of engine with bending compound vibration-damper |
| CN114183476B (en) * | 2021-12-15 | 2022-12-09 | 江苏徐工工程机械研究院有限公司 | Coupling and mechanical system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101349291A (en) * | 2008-03-04 | 2009-01-21 | 浙江亿利达风机有限公司 | Noise reducing fan |
| CN201972951U (en) * | 2011-03-19 | 2011-09-14 | 十堰风神汽车橡塑制品有限公司 | Integral fan coupler |
| CN205225831U (en) * | 2015-12-16 | 2016-05-11 | 广西玉柴机器股份有限公司 | Fan vibration absorbing shaft |
-
2015
- 2015-12-16 CN CN201510942590.4A patent/CN105402158B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101349291A (en) * | 2008-03-04 | 2009-01-21 | 浙江亿利达风机有限公司 | Noise reducing fan |
| CN201972951U (en) * | 2011-03-19 | 2011-09-14 | 十堰风神汽车橡塑制品有限公司 | Integral fan coupler |
| CN205225831U (en) * | 2015-12-16 | 2016-05-11 | 广西玉柴机器股份有限公司 | Fan vibration absorbing shaft |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105402158A (en) | 2016-03-16 |
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