CN106051129B - A kind of Novel CVT gearbox - Google Patents
A kind of Novel CVT gearbox Download PDFInfo
- Publication number
- CN106051129B CN106051129B CN201610663766.7A CN201610663766A CN106051129B CN 106051129 B CN106051129 B CN 106051129B CN 201610663766 A CN201610663766 A CN 201610663766A CN 106051129 B CN106051129 B CN 106051129B
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- CN
- China
- Prior art keywords
- axis pin
- pin
- chain
- bending
- arc surface
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/035—Gearboxes for gearing with endless flexible members
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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
- 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
-
- 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
- F16G15/14—Chain links made of sheet metal, e.g. profiled
Landscapes
- 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 Novel CVT gearboxes, including driving wheel Moving plate, driving wheel price fixing, driven wheel Moving plate, driven wheel price fixing and mute chain, mute chain includes carrier bar, it is bent axis pin and short pin shaft, 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 for being bonded side is formed to rolling face, 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 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 the role of pitch variation, reduce vibration and the noise of chain, improve chaindriven efficiency.
Description
Technical field
The invention belongs to gearbox field more particularly to a kind of Novel 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 forms for one or more carrier bars, and its pitch is one or two kinds of pitches, by orderly arrangement
At chain length, and then match gearbox transmission ratio and centre-to-centre spacing.Axis pin is 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 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, speed change is realized to reach change transmission ratio to adjust chain around the radius of circle
Effect.And the advantages of such gearbox, is that transmission ratio is stablized, manufacture and design it is easy, but the disadvantage is that gearbox take up space compared with
Greatly, ratio coverage is smaller.
In the car, it especially 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 set, 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 is imitated to rolling
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 transmission ratio 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 above technical problems, the object of the present invention is to provide that a kind of noise is small and gear ratio is big is novel
CVT gearboxes
To achieve the goals above, present invention employs technical solutions below：
A kind of Novel CVT gearbox, including driving wheel Moving plate invention, driving wheel price fixing invention, driven wheel Moving plate invention, from
Driving wheel price fixing is invented and the invention of mute chain, and the mute chain invents one end and is sleeved on the invention of driving wheel Moving plate and the invention of driving wheel price fixing
Between, the other end is sleeved between the invention of driven wheel Moving plate and driven wheel price fixing invention, the mute chain invention include carrier bar invent,
It is bent axis pin invention and short pin shaft invention, the carrier bar invention is equipped with through-hole, and the both ends in the through-hole have been respectively interposed one
Group axis pin, every group of axis pin include that a bending axis pin invention and a short pin shaft are invented, the bending axis pin invention and short pin shaft
Invention 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 invention, and is bent axis pin
The both ends of invention and the invention of driving wheel Moving plate, the invention of driving wheel price fixing or the invention of driven wheel Moving plate, the invention of driven wheel price fixing are equal
Both ends for frictional drive, the bending axis pin invention all have arc surface, the circular arc of the bending end invention of bending axis pin invention
The inclination angle in face is 17 °~23 °, and the inclination angle of the arc surface of the straight end invention of bending axis pin invention is 1 °~3 °, and bending end is invented
Arc surface radius of curvature be 100-170mm, straight end invention arc surface radius of curvature be 150-200mm.
Preferably：One end of the short pin shaft invention 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 invention and short pin shaft invention is quiet
0.4-0.8 times of the pitch of sound chain invention, and the sectional area for being bent axis pin invention is more than the sectional area of short pin shaft invention.
Preferably：The both ends of the bending axis pin invention and short pin shaft invention are also respectively welded backing pin invention.
Preferably：The driving wheel Moving plate invention and the invention of driven wheel Moving plate are located at the same side.It further decreases
CVT gearboxes are taken up space, and are conducive to the arrangement of the other components of vehicle.
The present invention is as a result of above technical scheme, in power transmission process so that the inner plate of silencing chain
And axis pin uniform force, the polygon effect of chain can be reduced, noise is reduced.The mantle disk of gearbox is same simultaneously
Side reduces the weight of chain, while speed change due to that in Moving plate side axis pin head-bent, the height of chain and chain-plate can be made to reduce
Increase by 10% or more than range, reduces complete-vehicle oil consumption.Chain deflection is reduced, and is reduced the interior friction of chain, is improved speed change
The transmission efficiency of case, and bore the homonymy arrangement of disk, the volume and weight of the gearbox greatly reduced so that the gearbox is answered
With it is more flexible extensively.
Description of the drawings
Fig. 1 is the structural schematic diagram of gearbox of the present invention.
Fig. 2 is the side structure schematic diagram of gearbox of 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 structural schematic diagram of present invention bending axis pin.
Fig. 7 is the structural schematic diagram of short pin shaft of the present invention.
Fig. 8 is the structural schematic diagram of carrier bar of the present invention.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.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 ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", " clockwise ", " inverse
The orientation or positional relationship of the instructions such as hour hands " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description originally
Invention and simplified description, do not indicate or imply the indicated device or element must have a particular orientation, with specific side
Position construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of 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, the meaning of " plurality " is 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 shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be machine
Tool connects, and can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary 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 the "upper" of second feature or "lower"
It may include that the first and second features are in direct contact, can also not be to be in direct contact but pass through it including the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " include first special
Sign is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of
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 move in turn
Disk 2, driven wheel price fixing 4 and mute chain 5, described 5 one end of mute 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
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 are bonded the side of side
Face is formed to rolling face, one end bending of the bending axis pin 521, and is bent both ends and driving wheel Moving plate 1, the active of axis pin 521
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 all have 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 is 1 °~3 °, and the radius of curvature of the arc surface of bending end 5211 is 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 the radius of curvature of the circular arc to rolling face of short pin shaft 522 be 0.4-0.8 times of pitch of mute chain 5, 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
Bright and then the driving and driven price fixing of gearbox is arranged in homonymy due in chain both sides of the face unsymmetric form, and then is greatly reduced
Whole size makes the lateral dimension of gearbox reduce one third or more, to making the cloth of automobile engine and gearbox
It sets 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 at its inclination angle, larger direction welding gear pin is larger at a distance from end face, because it is apart from small carrier bar
It is easy to 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 transmission ratio changes, it in any position cannot be dry 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 4mm or more.So that chain reduces with the contact radius for boring disk, nearly 10% speed ratio of Novel CVT is increased
Range reduces the oil consumption of vehicle.Chain hinge pin bending simultaneously can be such that the pitch of carrier bar reduces, more un-flexed structure chain pitch
Reduce 30% or more.Reduce the weight of chain, and the polygon effect of chain can be reduced, effectively reduce noise, improves
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 assembly 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 make chain frame structure stablize, 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 deformations.It is every
Essence according to the present invention is considered as belonging to this to any simple modification, equivalent change and modification made by above example
The protection domain of invention.
Claims (5)
1. a kind of Novel CVT gearbox, it is characterised in that：Including driving wheel Moving plate (1), driving wheel price fixing (3), driven wheel Moving plate
(2), driven wheel price fixing (4) and mute chain (5), described mute chain (5) one end are sleeved on driving wheel Moving plate (1) and driving wheel price fixing
(3) between, the other end is sleeved between driven wheel Moving plate (2) and driven wheel price fixing (4), the mute chain (5) include carrier bar (51),
It is bent axis pin (521) and short pin shaft (522), the carrier bar (51) is equipped with through-hole, and the both ends in the through-hole have been respectively interposed
One group of axis pin, every group of axis pin include a bending axis pin (521) and a short pin shaft (522), the bending axis pin (521) and short
Axis pin (522) 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 (521), and curved
The both ends of flex pin axis (521) and driving wheel Moving plate (1), driving wheel price fixing (3) or driven wheel Moving plate (2), driven wheel price fixing (4)
It is frictional drive, the both ends of the bending axis pin (521) all have arc surface, the bending end (5211) of bending axis pin (521)
The inclination angle of arc surface be 17 °~23 °, the inclination angle of the arc surface of the straight end (5212) of bending axis pin (521) is 1 °~3 °, and curved
The radius of curvature for rolling over the arc surface of end (5211) is 100-170mm, and the radius of curvature of the arc surface of straight end (5212) is 150-
200mm。
2. a kind of Novel CVT gearbox according to claim 1, it is characterised in that：One end of the short pin shaft (522) has
There is arc surface, and the inclination angle of arc surface is 17 °~23 °.
3. a kind of Novel CVT gearbox according to claim 1, it is characterised in that：The bending axis pin (521) and short pin
The radius of curvature of the circular arc to rolling face of axis (522) is 0.4-0.8 times of the pitch of mute chain (5), and is bent axis pin (521)
Sectional area is more than the sectional area of short pin shaft (522).
4. a kind of Novel CVT gearbox according to claim 1, it is characterised in that：The bending axis pin (521) and short pin
The both ends of axis (522) are also respectively welded backing pin (53).
5. a kind of Novel CVT gearbox according to claim 1, it is characterised in that：The driving wheel Moving plate (1) and driven
Wheel Moving plate (2) is located at the same side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610663766.7A CN106051129B (en) | 2016-08-11 | 2016-08-11 | A kind of Novel CVT gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610663766.7A CN106051129B (en) | 2016-08-11 | 2016-08-11 | A kind of Novel CVT gearbox |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106051129A CN106051129A (en) | 2016-10-26 |
| CN106051129B true CN106051129B (en) | 2018-08-14 |
Family
ID=57481095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610663766.7A Active CN106051129B (en) | 2016-08-11 | 2016-08-11 | A kind of Novel CVT gearbox |
Country Status (1)
| Country | Link |
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| CN (1) | CN106051129B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4718880A (en) * | 1982-06-03 | 1988-01-12 | Borg-Warner Corporation | Power transmission chain-belt |
| CN101111694A (en) * | 2005-02-04 | 2008-01-23 | 株式会社捷太格特 | Power transmission chain and power transmission device |
| CN103573917A (en) * | 2012-08-10 | 2014-02-12 | 株式会社丰田中央研究所 | Chain for continuously variable transmission |
| 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 |
| CN205937762U (en) * | 2016-08-11 | 2017-02-08 | 杭州东华链条集团有限公司 | Novel CVT gearbox |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050187057A1 (en) * | 2004-01-14 | 2005-08-25 | Koyo Seiko Co., Ltd. | Power transmission chain and power transmission apparatus using same |
-
2016
- 2016-08-11 CN CN201610663766.7A patent/CN106051129B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4718880A (en) * | 1982-06-03 | 1988-01-12 | Borg-Warner Corporation | Power transmission chain-belt |
| CN101111694A (en) * | 2005-02-04 | 2008-01-23 | 株式会社捷太格特 | Power transmission chain and power transmission device |
| CN103573917A (en) * | 2012-08-10 | 2014-02-12 | 株式会社丰田中央研究所 | Chain for continuously variable transmission |
| 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 |
| CN205937762U (en) * | 2016-08-11 | 2017-02-08 | 杭州东华链条集团有限公司 | Novel CVT gearbox |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106051129A (en) | 2016-10-26 |
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Inventor after: Wang Hongjun Inventor after: Ye Bin Inventor after: Wu Dao Inventor after: Feng Haibo Inventor after: Yang Weiming Inventor after: Xing Jianheng Inventor after: Cheng Yue Inventor after: Xuan Cheng Inventor before: Ye Bin Inventor before: Wang Hongjun Inventor before: Wu Dao Inventor before: Feng Haibo Inventor before: Yang Weiming Inventor before: Xing Jianheng Inventor before: Cheng Yue Inventor before: Xuan Cheng |
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