CN106402274B - A kind of mute chain for CVT gearboxes - Google Patents
A kind of mute chain for CVT gearboxes Download PDFInfo
- Publication number
- CN106402274B CN106402274B CN201610656728.9A CN201610656728A CN106402274B CN 106402274 B CN106402274 B CN 106402274B CN 201610656728 A CN201610656728 A CN 201610656728A CN 106402274 B CN106402274 B CN 106402274B
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- CN
- China
- Prior art keywords
- axis pin
- bending
- chain
- arc surface
- pin
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- 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
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G13/00—Chains
- F16G13/02—Driving-chains
- F16G13/06—Driving-chains with links connected by parallel driving-pins with or without rollers so called open links
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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
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G15/00—Chain couplings, Shackles; Chain joints; Chain links; Chain bushes
- F16G15/12—Chain links
-
- 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
- F16H—GEARING
- F16H9/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
- F16H9/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion
- F16H9/24—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using chains or toothed belts, belts in the form of links; Chains or belts specially adapted to such gearing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmissions By Endless Flexible Members (AREA)
Abstract
The present invention relates to a kind of mute chains for CVT gearboxes, including carrier bar, it is bent axis pin and short pin shaft, the carrier bar is equipped with through-hole, one group of axis pin has been respectively interposed in both ends in the through-hole, every group of axis pin includes a bending axis pin and a short pin shaft, the bending axis pin and short pin shaft are bonded to each other, and the side of fitting side is formed to rolling face, one end bending of the bending axis pin, the both ends of the bending axis pin are respectively provided with arc surface, the inclination angle for being bent the arc surface of the bending end of axis pin is 17 °~23 °, the inclination angle for being bent the arc surface of the straight end of axis pin is 1 °~3 °, and the radius of curvature of the arc surface of bending end is 100 170mm, the radius of curvature of the arc surface of straight end is 150 200mm.The present invention is with noise is small, can reduce the advantageous effect of CVT gearbox volumes.
Description
Technical field
The invention belongs to transmission chain field more particularly to a kind of mute chains for CVT gearboxes.
Background technology
All the time, the key component of well known CVT transmissions is chain or steel band, and chain and steel band both sides of the face are opposite
Central symmetry.And chain is formed for one or more carrier bars, and its pitch is one or two kinds of pitches, by orderly arrangement
Into chain length, and then match gearbox gearratio and centre-to-centre spacing.Axis pin be not rounded intention axis pin, the positioning with carrier bar
Hole side positioning has four axis pins in each chain plate hole, two one group, forms hinges of two axis pins to rolling, resistance to so as to reach
The effect of mill and noise.Axis pin both ends of the surface are symmetrical cambered surface, and cambered surface carries out frictional drive with cone disk, bores there are four disks, and two dynamic
Disk and two price fixings, respectively in transmission input shaft two, output shaft two, the Moving plate of input shaft and the price fixing of output shaft are same
Side.By changing the distance of two cone disks, to adjust radius of the chain around circle, so as to reach change gearratio, speed change is realized
Effect.And the advantages of such gearbox, is that gearratio is stablized, manufacture and design it is easy, but shortcoming be gearbox take up space compared with
Greatly, ratio coverage is smaller.
In the car, it particularly in new-energy automobile, due to there is automobile engine, is arranged together with gearbox and motor,
Due to there is the presence of driving motor so that automobile integral arrangement is difficult to reach ideal effect, and traditional infinitely variable transmission can not expire
Foot uses.As described above, silencing chain in a hole in carrier bar at the both ends of length direction due to, only there are one hole, and respectively matching
Two axis pins are put, and axis pin length is same.And the large end face of two axis pins is placed back-to-back, is generated when chain rotates and rolling is imitated
Fruit, and then play the role of reducing abrasion.And axis pin both sides of the face are symmetrical so that when contiuously variable transmission gearratio changes, chain
The deflection of item increases, and increases the abrasion between chain pair, reduces the transmission efficiency of speed changer.
Invention content
In order to solve the technical issues of above-mentioned, the object of the present invention is to provide a kind of mute chains for CVT gearboxes, should
Chain noise is small and can reduce CVT gearbox volumes.
To achieve these goals, present invention employs following technical solutions：
A kind of mute chain for CVT gearboxes, including carrier bar, bending axis pin and short pin shaft, the carrier bar is equipped with logical
One group of axis pin has been respectively interposed in hole, the both ends in the through-hole, and every group of axis pin includes a bending axis pin and a short pin shaft, institute
It states bending axis pin and short pin shaft is bonded to each other, and the side for being bonded side is formed to rolling face, one end bending of the bending axis pin,
The both ends of the bending axis pin are respectively provided with arc surface, and the inclination angle for being bent the arc surface of the bending end of axis pin is 17 °~23 °, bending
The inclination angle of the arc surface of the straight end of axis pin is 1 °~3 °, and the radius of curvature of the arc surface of bending end is 100-170mm, straight end
The radius of curvature of arc surface is 150-200mm.
Preferably：One end of the short pin shaft has arc surface, and the inclination angle of arc surface is 17 °~23 °.
Preferably：The radius of curvature of the circular arc to rolling face of the bending axis pin and short pin shaft is the section of mute chain
Away from 0.4-0.8 times, and be bent axis pin sectional area be more than short pin shaft sectional area.
Preferably：The both ends of the bending axis pin and short pin shaft are also respectively welded backing pin.
The present invention is as a result of above technical scheme, in power transmission process, the inner plate and pin of silencing chain
Axis uniform force can reduce the polygon effect of chain, reduce noise.The mantle disk of gearbox is in the same side simultaneously, by
In in Moving plate side axis pin head-bent, it can reduce the height of chain and chain-plate, reduce the weight of chain, while variator ratio range
Increase by more than 10%, reduce complete-vehicle oil consumption.Chain deflection is reduced, and is reduced the interior friction of chain, is improved the biography of gearbox
Efficiency of movement, and bore the homonymy arrangement of disk, the volume and weight of the gearbox greatly reduced so that the application of the gearbox is more
Flexibly extensively.
Description of the drawings
Fig. 1 is the structure diagram of gearbox using the present invention.
Fig. 2 is the side structure schematic diagram of gearbox using the present invention.
Fig. 3 is the top surface structure schematic diagram of silencing chain of the present invention.
Fig. 4 is the side structure schematic diagram of silencing chain of the present invention.
Fig. 5 is the cross-sectional view of silencing chain of the present invention.
Fig. 6 is the structure diagram of present invention bending axis pin.
Fig. 7 is the structure diagram of short pin shaft of the present invention.
Fig. 8 is the structure diagram of carrier bar of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " clockwise ", " inverse
The orientation or position relationship of the instructions such as hour hands " are based on orientation shown in the drawings or position relationship, are for only for ease of description originally
It invents and simplifies description rather than indicate or imply that the device of meaning or element must have specific orientation, with specific square
Position construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, unless otherwise indicated, " multiple " are meant that two
It is a or more than two, unless otherwise restricted clearly.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can be machine
Tool is connected or is electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can be two members
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature it " on " or it " under "
It can be in direct contact including the first and second features, it is not to be in direct contact but pass through it that can also include the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " including first spy
Sign is right over second feature and oblique upper or is merely representative of fisrt feature level height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " immediately below second feature and obliquely downward or be merely representative of including fisrt feature
Fisrt feature level height is less than second feature.
A kind of Novel CVT gearbox as Figure 1-Figure 8 including driving wheel Moving plate 1, driving wheel price fixing 3, driven moves in turn
Disk 2, driven wheel price fixing 4 and mute chain 5, described mute 5 one end of chain is sleeved between driving wheel Moving plate 1 and driving wheel price fixing 3, another
For end cap between driven wheel Moving plate 2 and driven wheel price fixing 4, the mute chain 5 includes carrier bar 51, bending axis pin 521 and short pin shaft
522, the carrier bar 51 is equipped with through-hole, and one group of axis pin has been respectively interposed in the both ends in the through-hole, and every group of axis pin includes one
Axis pin 521 and a short pin shaft 522 are bent, the bending axis pin 521 and short pin shaft 522 are bonded to each other, and are bonded the side of side
Face is formed to rolling face, one end bending of the bending axis pin 521, and is bent the both ends of axis pin 521 and driving wheel Moving plate 1, active
It is frictional drive to take turns price fixing 3 or driven wheel Moving plate 2, driven wheel price fixing 4, and the both ends of the bending axis pin 521 are respectively provided with circle
Cambered surface, the inclination angle for being bent the arc surface of the bending end 5211 of axis pin 521 are 17 °~23 °, are bent the straight end 5212 of axis pin 521
The inclination angle of arc surface be 1 °~3 °, and the radius of curvature of the arc surface of bending end 5211 be 100-170mm, the circular arc of straight end 5212
The radius of curvature in face is 150-200mm.
One end of the short pin shaft 522 has arc surface, and the inclination angle of arc surface is 17 °~23 °.The bending axis pin
521 and short pin shaft 522 the circular arc to rolling face 0.4-0.8 times of pitch for mute chain 5 of radius of curvature, and bending axis pin
521 sectional area is more than the sectional area of short pin shaft 522.The driving wheel Moving plate 1 and driven wheel Moving plate 2 are located at the same side.This hair
It is bright due in chain both sides of the face unsymmetric form, and then the driving and driven price fixing of gearbox is arranged in homonymy, and then is greatly reduced
Whole size makes the lateral dimension of gearbox reduce more than 1/3rd, so as to making the cloth of automobile engine and gearbox
It puts and more rationalizes.
The both ends of the bending axis pin 521 and short pin shaft 522 are also respectively welded backing pin 53.The frame structure of chain is by pin
Welding gear pin is fixed on axis, and larger direction welding gear pin and end face is in larger distance at its inclination angle, because it is apart from small carrier bar
Easily write off axis abjection so that chain falls apart, and chain or even entire gearbox is caused to damage.Meanwhile root is also wanted in the position of shelves pin
It is determined according to the height of carrier bar, has both ensured the outer eaves of edge carrier bar when gearratio changes, cannot done in any position with cone disk
It relates to.The welding position of short pin shaft will ensure that it is not contacted with cone disk.
Short pin shaft in the present invention with bending axis pin pairing only plays connection function, is not contacted with cone disk, has both solved interference
Problem, and solve two axis pins in a chain plate hole due to mesh impact caused by the error in processing, so such
Silencing chain impact noise is smaller, and efficiency is higher.Pin bent shaft portion has centainly with cone disk contact point compared with other types CVT chains
The amount of moving down, it is general up to more than 4mm.So that chain reduces with boring the contact radius of disk, nearly 10% fast ratio of Novel CVT is increased
Range reduces the oil consumption of vehicle.Chain hinge pin bending simultaneously can reduce the pitch of carrier bar, more un-flexed structure chain pitch
Reduce more than 30%.Reduce the weight of chain, and the polygon effect of chain can be reduced, effectively reduce noise, improve
The comfort of vehicle.
The silencing chain of the present invention, there are two types of axis pins for tool, and two axis pin arc surfaces do pure rolling in transmission process, play section
Effect away from variation reduces vibration and the noise of chain, improves chaindriven efficiency.Since silencing chain axis pin effect both sides are non-
It is arranged symmetrically so that the stressing conditions rather harsh of chain, so to consider that the resultant force of left and right sides pressure will be in design
In the symmetrical center line of chain and chain-plate, and for vertically upward, and it is to ensure above-mentioned requirements, the lower end and cone that 1 °~3 ° of axis pin inclination angle
Disk contacts, and the upper end that angle of inclination is 17 °~23 ° is contacted with cone disk, can ensure that speed changer operates steadily in this way.And due to
Only a kind of inner plate so that chain assembling greatly simplifies.Since chain flexes axis pin and cone disk are frictional drive, chain exists
In transmission process, bending axis pin is intended to roll with short pin shaft, reduces vibration noise.To stablize chain frame structure, in chain
After plate is assembled with axis pin, axis pin both ends are fixed using welding backing pin.Preferably, due in chain drive, pitch it is bigger its
Polygon effect accordingly also increases, so fine pith carrier bar can also select two kinds in whole chain in the selection of chain
Or two or more pitch carrier bars.
It should be pointed out that above example is only the representative example of the present invention.The present invention can also there are many deform.It is every
Any simple modification, equivalent change and modification that essence according to the present invention makees above example is considered as belonging to this
The protection domain of invention.
Claims (4)
1. a kind of mute chain for CVT gearboxes, it is characterised in that：Including carrier bar (51), bending axis pin (521) and short pin shaft
(522), the carrier bar (51) is equipped with through-hole, and one group of axis pin has been respectively interposed in the both ends in the through-hole, and every group of axis pin includes
A piece bending axis pin (521) and a short pin shaft (522), the bending axis pin (521) and short pin shaft (522) are bonded to each other, and
The side of fitting side is formed to rolling face, one end bending of the bending axis pin (521), the both ends of the bending axis pin (521)
Arc surface is respectively provided with, the inclination angle of the arc surface of the bending end (5211) of bending axis pin (521) is 17 °~23 °, is bent axis pin
(521) inclination angle of the arc surface of straight end (5212) is 1 °~3 °, and the radius of curvature of the arc surface of bending end (5211) is
100-170mm, the radius of curvature of the arc surface of straight end (5212) is 150-200mm.
2. a kind of mute chain for CVT gearboxes according to claim 1, it is characterised in that：The short pin shaft (522)
One end have arc surface, and the inclination angle of arc surface be 17 °~23 °.
3. a kind of mute chain for CVT gearboxes according to claim 1, it is characterised in that：The bending axis pin
, and bending (521) and 0.4-0.8 times of pitch for mute chain (5) of the radius of curvature of the circular arc to rolling face of short pin shaft (522)
The sectional area of axis pin (521) is more than the sectional area of short pin shaft (522).
4. a kind of mute chain for CVT gearboxes according to claim 1, it is characterised in that：The bending axis pin
(521) and the both ends of short pin shaft (522) are also respectively welded backing pin (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610656728.9A CN106402274B (en) | 2016-08-11 | 2016-08-11 | A kind of mute chain for CVT gearboxes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610656728.9A CN106402274B (en) | 2016-08-11 | 2016-08-11 | A kind of mute chain for CVT gearboxes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106402274A CN106402274A (en) | 2017-02-15 |
| CN106402274B true CN106402274B (en) | 2018-07-06 |
Family
ID=58004871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610656728.9A Active CN106402274B (en) | 2016-08-11 | 2016-08-11 | A kind of mute chain for CVT gearboxes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106402274B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5328412A (en) * | 1992-10-21 | 1994-07-12 | Borg-Warner Automotive, Inc. | Apparatus and method for generating a variable pulley sheave profile |
| CN1526974A (en) * | 2003-02-20 | 2004-09-08 | ¬��Ħ��Ƭ����������Ϲ�˾ | Contact piece of plate link chain for conical disc winding contact part driving device and plate link chain |
| CN1734122A (en) * | 2004-08-03 | 2006-02-15 | 吉尔切恩工业有限公司 | Transmission chain |
| CN101113779A (en) * | 2006-07-28 | 2008-01-30 | 程乃士 | Single steel loop group antisymmetric metal strips type fully-adjustable speed drive |
| CN105134877A (en) * | 2015-07-22 | 2015-12-09 | 杭州东华链条集团有限公司 | CVT silence chain and speed changing box |
| CN205937638U (en) * | 2016-08-11 | 2017-02-08 | 杭州东华链条集团有限公司 | A silence chain for CVT gearbox |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001234983A (en) * | 2000-02-24 | 2001-08-31 | Borg Warner Automotive Kk | Chain belt for power transmission |
| JP2011069414A (en) * | 2009-09-24 | 2011-04-07 | Jtekt Corp | Power transmission chain and power transmission device |
-
2016
- 2016-08-11 CN CN201610656728.9A patent/CN106402274B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5328412A (en) * | 1992-10-21 | 1994-07-12 | Borg-Warner Automotive, Inc. | Apparatus and method for generating a variable pulley sheave profile |
| CN1526974A (en) * | 2003-02-20 | 2004-09-08 | ¬��Ħ��Ƭ����������Ϲ�˾ | Contact piece of plate link chain for conical disc winding contact part driving device and plate link chain |
| CN1734122A (en) * | 2004-08-03 | 2006-02-15 | 吉尔切恩工业有限公司 | Transmission chain |
| CN101113779A (en) * | 2006-07-28 | 2008-01-30 | 程乃士 | Single steel loop group antisymmetric metal strips type fully-adjustable speed drive |
| CN105134877A (en) * | 2015-07-22 | 2015-12-09 | 杭州东华链条集团有限公司 | CVT silence chain and speed changing box |
| CN205937638U (en) * | 2016-08-11 | 2017-02-08 | 杭州东华链条集团有限公司 | A silence chain for CVT gearbox |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106402274A (en) | 2017-02-15 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20170215 Assignee: HANGZHOU ZIQIANG CHAIN DRIVE Co.,Ltd. Assignor: HANGZHOU DONGHUA CHAIN GROUP Co.,Ltd. Contract record no.: X2021330000159 Denomination of invention: A mute chain for CVT gearbox Granted publication date: 20180706 License type: Common License Record date: 20210828 |
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| EC01 | Cancellation of recordation of patent licensing contract | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: HANGZHOU ZIQIANG CHAIN DRIVE Co.,Ltd. Assignor: HANGZHOU DONGHUA CHAIN GROUP Co.,Ltd. Contract record no.: X2021330000159 Date of cancellation: 20230224 |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20170215 Assignee: HANGZHOU ZIQIANG CHAIN DRIVE Co.,Ltd. Assignor: HANGZHOU DONGHUA CHAIN GROUP Co.,Ltd. Contract record no.: X2023330000049 Denomination of invention: A Silent Chain for CVT Gearboxes Granted publication date: 20180706 License type: Common License Record date: 20230307 |