CN109990046A - A kind of Combined elastic carrier bar and its turn tooth-like tooth form chain - Google Patents
A kind of Combined elastic carrier bar and its turn tooth-like tooth form chain Download PDFInfo
- Publication number
- CN109990046A CN109990046A CN201910302394.9A CN201910302394A CN109990046A CN 109990046 A CN109990046 A CN 109990046A CN 201910302394 A CN201910302394 A CN 201910302394A CN 109990046 A CN109990046 A CN 109990046A
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- tooth
- connecting plate
- plate
- pin
- needle
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- 230000013011 mating Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 238000009825 accumulation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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
- F16G13/04—Toothed chains
-
- 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
- F16G13/07—Driving-chains with links connected by parallel driving-pins with or without rollers so called open links the links being of identical shape, e.g. cranked
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The present invention relates to a kind of Combined elastic carrier bar and its turn tooth-like tooth form chain.The technical issues of present invention mainly solves slippage phenomenon existing for the silent chain of existing Integral rigid carrier bar and easily causing driveline damage.The technical scheme is that Combined elastic carrier bar, it is made of rear connecting plate, preceding connecting plate, left tooth plate, right tooth plate, several left needle pins, several right needle pins and several springs, the left needle pin, which sequentially passes through rear connecting plate left-half, left tooth plate and preceding connecting plate left-half they link together, constitutes left tooth form, and the right needle pin sequentially passes through rear connecting plate right half part, right tooth plate and preceding connecting plate right half part and they link together and constitutes right tooth form.Turn tooth-like tooth form chain, it is made of several combined type spring chain plates and pin shaft.The present invention, instead of traditional rigid carrier bar, can jump tooth caused by avoiding meshing error from accumulating by instant-free meshing error with elastic carrier bar.To improve the reliability and stability of silent chain transmission system.
Description
Technical field
The present invention relates to a kind of Combined elastic carrier bar and its turn tooth-like tooth form chain, it belongs to mechanical chain drive technology
Field.
Background technique
Silent chain is a kind of important machine driving basic components, is widely used in car engine timing transmission system.
Compared with general roller chain, have many advantages, such as that polygon effect is small, mesh impact is small, no replacement is required for service life length.
General tooth form chain is formed by connecting by several Integral rigid carrier bars by pin shaft.By in single carrier bar
Outer two sides tooth form is engaged with sprocket tooth form respectively, to reduce the polygon effect and mesh impact of transmission system.
It being no different with general roller chain, the polygon effect of silent chain, which remains unchanged, is driven the influence of the system middle sprocket number of teeth,
The more polygon effects of teeth number of sprocket are smaller, and the mesh impact of transmission system is also smaller.But teeth number of sprocket increases, and can make tooth
The pitch of shape chain carrier bar reduces and composition carrier bar number increases.The pitch of silent chain carrier bar reduces the manufacture hardly possible that will lead to carrier bar
Degree increases, so that mismachining tolerance increases；The number increase of composition carrier bar then results in the increase of accumulation of error number.It is each
The error of group carrier bar can be all applied in chain drive, due to the increase of accumulation of error number, then result in carrier bar and sprocket wheel
Be engaged on transmission in gradually misplace, when the accumulation of error to a certain extent when, will result in the slippage phenomenon of silent chain.It needs to refer to
Out, when the design of tooth form catenary system is unreasonable, the slippage phenomenon of silent chain is also resulted in.Danger of the slippage phenomenon in machine driving
Evil is greatly, on the one hand to may cause the fracture of chain or the damage of sprocket teeth, on the other hand may cause transmission system
In the damage even entire hosts of other components scrap.
Silent chain involved in existing Chinese patent is all to be composed of Integral rigid carrier bar by pin shaft, when
When carrier bar tooth form is by mesh impact, carrier bar tooth form can not be rotated relative to chain, to cannot be by the engagement that misplaces
When discharge meshing error, so that it cannot avoid the generation of slippage phenomenon.
Summary of the invention
Present invention aim to address slippage phenomenon existing for the silent chain of existing Integral rigid carrier bar and easily cause biography
The technical issues of dynamic system failure, provides a kind of Combined elastic carrier bar and its turns tooth-like tooth form chain.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
A kind of Combined elastic carrier bar, if it by rear connecting plate, preceding connecting plate, left tooth plate, right tooth plate, several left needle pins,
Right needle pin and several springs composition are done, the left tooth plate and right tooth plate are uniformly provided with several needle pins on the periphery of chain plate hole and revolve position
Hole and several needle pins revolve position hole and are located on same circumference, the chain plate hole week of the rear connecting plate and preceding connecting plate left-half
While be uniformly provided with several left pin holes and the needle pin of left pin holes and left tooth plate rotation position hole is corresponding, it is described after connecting plate and before
The chain plate hole periphery of connecting plate right half part is uniformly provided with several right pin holes and the needle pin of right pin holes and right tooth plate rotation position
Hole is corresponding, and the left needle pin sequentially passes through the needle pin rotation of the left pin holes of rear connecting plate left-half setting, the setting of left tooth plate
The left pin holes of position hole and the setting of preceding connecting plate left-half are by rear connecting plate left-half, left tooth plate and preceding connecting plate left side
Divide to link together and constitute left tooth form, the right needle pin sequentially passes through right pin holes, the right tooth of rear connecting plate right half part setting
Plate setting needle pin rotation position hole and preceding connecting plate right half part setting right pin holes by rear connecting plate right half part, right tooth plate and
Preceding connecting plate right half part, which links together, constitutes right tooth form, and the spring is located in needle pin rotation position hole in pairs and is located at left needle pin
Or the both sides of right needle pin.
Further, the circular arc mating surface in the needle pin rotation position hole that the left needle pin is arranged with left tooth plate is tangent, the right needle
The circular arc mating surface for selling the needle pin rotation position hole being arranged with right tooth plate is tangent, and the left needle pin and right needle pin surround chain plate hole in needle pin
Revolve the rotation of -15~+15 ° of progress in the hole of position.
It is a kind of using made of the Combined elastic carrier bar turn tooth-like tooth form chain, it is by several combined type spring chains
Plate and pin shaft composition, the Combined elastic carrier bar, which is combined to be constituted by pin shaft in a manner of misplacing and fold, turns tooth-like tooth
Shape chain.
The invention has the benefit that
1, meshing error can be avoided by instant-free meshing error instead of traditional rigid carrier bar with elastic carrier bar
Tooth is jumped caused by accumulation.To improve the reliability and stability of silent chain transmission system.
2, relative to carrier bar a degree of rotation can occur for the tooth form of each carrier bar around chain plate hole central axis, this
Kind of rotation can play buffer function to mesh impact each time, and can carry out dislocation engagement when engaging failure, avoid because
Design unreasonable caused slippage phenomenon.To further improve the stability and accuracy of transmission system.
3, with combined type carrier bar instead of traditional monoblock type carrier bar, so that the structural of silent chain carrier bar is strengthened,
The tensile strength of carrier bar and the antiwear property of tooth form are effectively promoted.
Detailed description of the invention
Fig. 1 is main view semi-cutaway of the invention；
Fig. 2 is vertical view semi-cutaway of the invention；
Fig. 3 is assembling schematic diagram of the invention；
Fig. 4 is perspective view of the explosion of the invention；
Fig. 5 is general assembly schematic diagram of the invention；
Fig. 6 is operation schematic diagram of the invention；
In figure: connecting plate after 1-, connecting plate before 2-, the left tooth plate of 3-, the right tooth plate of 4-, the left pin holes of 5-, 6- chain plate hole, 7- are left
Needle pin, 8- spring, the right needle pin of 9-, 10- needle pin revolve position hole, the right pin holes of 11-, 12- Combined elastic carrier bar, 13- pin shaft.
Specific embodiment
Present invention is further described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1 to 4, one of the present embodiment Combined elastic carrier bar, it is by rear connecting plate 1, preceding connecting plate
2, left tooth plate 3,7, four right needle pins 9 of right tooth plate 4, four left needle pins and several springs 8 form, the left tooth plate 3 and right tooth plate 4
Four needle pin rotation position holes 10 and four needle pin rotation position holes are uniformly provided on the periphery of chain plate hole 6 to be located on same circumference, it is described
6 periphery of chain plate hole of 2 left-half of connecting plate 1 and preceding connecting plate is uniformly provided with four left pin holes 5 and left pin holes 5 and left afterwards
The needle pin rotation position hole 10 of tooth plate 3 is corresponding, and 6 periphery of chain plate hole of 2 right half part of the rear connecting plate 1 and preceding connecting plate is uniformly set
There are four right pin holes 11 and right pin holes 11 revolve that position hole 10 is corresponding, and the left needle pin 7 is sequentially passed through with the needle pin of right tooth plate 4
The needle pin rotation position hole 10 and 2 left-half of preceding connecting plate that the left pin holes 5, left tooth plate 3 of 1 left-half of connecting plate setting are arranged afterwards
Rear 1 left-half of connecting plate, left tooth plate 3 and 2 left-half of preceding connecting plate are linked together and constitute a left side by the left pin holes 5 being arranged
Tooth form, the right needle pin 9 sequentially pass through the needle pin rotation that right pin holes 11, the right tooth plate 4 of rear 1 right half part of connecting plate setting are arranged
The right pin holes 11 of position hole 10 and the setting of 2 right half part of preceding connecting plate are by rear 1 right half part of connecting plate, right tooth plate 4 and preceding connection
2 right half part of plate, which links together, constitutes right tooth form, and the spring 8 is located in needle pin rotation position hole 10 in pairs and is located at left needle pin 7
With the both sides of right needle pin 9.
Further, the circular arc mating surface in the needle pin rotation position hole 10 that the left needle pin 7 is arranged with left tooth plate 3 is tangent, described
Right needle pin 9 and the circular arc mating surface in the needle pin rotation position hole 10 that right tooth plate 4 is arranged are tangent, and the left needle pin 7 and right needle pin 9 surround chain
Plate hole 6 carries out -15~+15 ° of rotation in needle pin rotation position hole 10.
As shown in figure 5, a kind of using tooth-like tooth form chain is turned made of the Combined elastic carrier bar, it is by several groups
Box-like elasticity carrier bar 12 and pin shaft 13 form, and the Combined elastic carrier bar 12 is combined in a manner of misplacing and folding by pin shaft 13
It constitutes together and turns tooth-like tooth form chain.
The number of the left pin holes 5, needle pin rotation position hole 10 and right pin holes 11 can be odd number, can also be even number
It is a.
For Combined elastic carrier bar of the invention when tooth form is not hit, the axis of left needle pin 7 and right needle pin 9 is located at needle pin
On the symmetrical plane for revolving position hole 10, and a pair of of spring 8 compression degree in needle pin rotation position hole 10 is consistent.
When elastic carrier bar tooth form is impacted, left tooth plate 3 and right tooth plate 4 can be in rotation with 6 central axis of chain plate hole
The heart carries out caning absorb a degree of impact energy with impact direction rotation in the same direction, spring 8.When Combined elastic carrier bar tooth form
On impact when disappearing, the impact energy that spring 8 absorbs will be released, so that the left tooth plate 3 and right tooth plate 4 of elastic carrier bar
Return back to initial position.
A pair of of spring 8 participates in the cooperation of single needle pin and single needle pin rotation position hole, a pair of of spring in needle pin rotation position hole
When symmetrical about plane where needle pin axis and carrier bar axially bored line, needle pin axis is located on the symmetrical plane in needle pin rotation position hole, from
And it is relatively fixed that the connecting plate of Combined elastic carrier bar is obtained with tooth plate when having neither part nor lot in and engaging, and tooth plate tooth form is allowed to exist
Certain angle can be turned over clockwise or counterclockwise relative to connecting plate around carrier bar axially bored line by when mesh impact.This cooperation
It ensure that the tooth form of chain is fixed (profile angle of carrier bar is design value) in normal engagement, and be abnormal
When engagement or mesh impact, meshing error is discharged by changing profile angle, slows down mesh impact.In the process of running, chain
Tooth form can adjust immediately profile angle and release according to the matching degree of chain in system and sprocket wheel, relative rotation speed, mesh impact degree
Meshing error is put, so as to avoid the generation of slippage phenomenon in silent chain transmission system.
The operation principle of the present invention is that:
As shown in fig. 6, left tooth plate 3 can be centered on carrier bar axially bored line so that elastic carrier bar left side is by mesh impact as an example
Relative combinations formula elasticity carrier bar 12 rotates a certain angle counterclockwise, remaining direction is impacted, to reach mitigation punching
Hit, discharge the purpose of meshing error.
Claims (3)
1. a kind of Combined elastic carrier bar, it is characterised in that: it is by rear connecting plate (1), preceding connecting plate (2), left tooth plate (3), the right side
Tooth plate (4), several left needle pins (7), several right needle pins (9) and several springs (8) composition, the left tooth plate (3) and right tooth plate (4)
Several needle pins rotation position hole (10) is uniformly provided on the periphery of chain plate hole (6) and several needle pins rotation position hole is located at same circumference
On, chain plate hole (6) periphery of the rear connecting plate (1) and preceding connecting plate (2) left-half is uniformly provided with several left pin holes
(5) and left pin holes (5) are corresponding with the needle pin of left tooth plate (3) rotation position hole (10), the rear connecting plate (1) and preceding connecting plate
(2) chain plate hole (6) periphery of right half part is uniformly provided with several right pin holes (11) and right pin holes (11) and right tooth plate (4)
Needle pin rotation position hole (10) it is corresponding, the left needle pin (7) sequentially pass through rear connecting plate (1) left-half setting left pin holes
(5), needle pin rotation position hole (10) of left tooth plate (3) setting and the left pin holes (5) of preceding connecting plate (2) left-half setting connect by after
Fishplate bar (1) left-half, left tooth plate (3) and preceding connecting plate (2) left-half link together and constitute left tooth form, the right needle pin
(9) the right pin holes (11) of rear connecting plate (1) right half part setting, the needle pin rotation position hole of right tooth plate (4) setting are sequentially passed through
(10) and preceding connecting plate (2) right half part setting right pin holes (11) by rear connecting plate (1) right half part, right tooth plate (4) and
Preceding connecting plate (2) right half part, which links together, constitutes right tooth form, the spring (8) in pairs be located at needle pin rotation position hole (10) in and
Positioned at the both sides of left needle pin (7) or right needle pin (9).
2. a kind of Combined elastic carrier bar according to claim 1, it is characterised in that: the left needle pin (7) and left tooth plate
(3) circular arc mating surface for needle pin rotation position hole (10) being arranged is tangent, and the needle pin of the right needle pin (9) and right tooth plate (4) setting revolves
The circular arc mating surface in position hole (10) is tangent, and the left needle pin (7) and right needle pin (9) surround chain plate hole (6) and revolve position hole in needle pin
(10) -15~+15 ° of rotation is carried out in.
3. a kind of using tooth-like tooth form chain is turned made of Combined elastic carrier bar described in as claimed in claim 1 or 22, feature exists
In: it is made of several combined type spring chain plates (12) and pin shaft (13), and the Combined elastic carrier bar (12) is folded with misplacing
Mode by pin shaft (13) combine composition turn a tooth-like tooth form chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910302394.9A CN109990046B (en) | 2019-04-16 | 2019-04-16 | Combined elastic chain plate and rotary tooth type toothed chain thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910302394.9A CN109990046B (en) | 2019-04-16 | 2019-04-16 | Combined elastic chain plate and rotary tooth type toothed chain thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109990046A true CN109990046A (en) | 2019-07-09 |
| CN109990046B CN109990046B (en) | 2024-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910302394.9A Active CN109990046B (en) | 2019-04-16 | 2019-04-16 | Combined elastic chain plate and rotary tooth type toothed chain thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109990046B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100216581A1 (en) * | 2009-02-25 | 2010-08-26 | Tsubakimoto Chain Co. | Silent chain transmission |
| CN202176669U (en) * | 2011-08-12 | 2012-03-28 | 吉林大学 | Tooth form chain with high connection firmness |
| CN103557270A (en) * | 2013-11-13 | 2014-02-05 | 金雁冰 | Tooth-shaped chain |
| CN109268460A (en) * | 2018-11-20 | 2019-01-25 | 宁波益捷精密机械有限公司 | A kind of rigid chain push-and-pull executing agency |
| CN209925517U (en) * | 2019-04-16 | 2020-01-10 | 山西工程职业技术学院 | Combined elastic chain plate and rotary tooth type tooth-shaped chain thereof |
-
2019
- 2019-04-16 CN CN201910302394.9A patent/CN109990046B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100216581A1 (en) * | 2009-02-25 | 2010-08-26 | Tsubakimoto Chain Co. | Silent chain transmission |
| CN202176669U (en) * | 2011-08-12 | 2012-03-28 | 吉林大学 | Tooth form chain with high connection firmness |
| CN103557270A (en) * | 2013-11-13 | 2014-02-05 | 金雁冰 | Tooth-shaped chain |
| CN109268460A (en) * | 2018-11-20 | 2019-01-25 | 宁波益捷精密机械有限公司 | A kind of rigid chain push-and-pull executing agency |
| CN209925517U (en) * | 2019-04-16 | 2020-01-10 | 山西工程职业技术学院 | Combined elastic chain plate and rotary tooth type tooth-shaped chain thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109990046B (en) | 2024-04-30 |
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