CN208858876U - Timing chain tensioning rail, engine and automobile - Google Patents
Timing chain tensioning rail, engine and automobile Download PDFInfo
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- CN208858876U CN208858876U CN201821563232.8U CN201821563232U CN208858876U CN 208858876 U CN208858876 U CN 208858876U CN 201821563232 U CN201821563232 U CN 201821563232U CN 208858876 U CN208858876 U CN 208858876U
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- timing chain
- connector
- tensioning rail
- elastic component
- hole
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Abstract
The utility model provides a kind of timing chain tensioning rail, engine and automobile, is related to automobile technical field, timing chain tensioning rail includes tensioning rail ontology, connector and elastic component;The side wall of tensioning rail ontology is equipped with hole, and one end of elastic component is connect with hole, and the other end of elastic component is connect with connector;Connector can extend into or out hole along the axial direction in hole, and connector with the plunger of hydraulic tensioner for abutting.Connector on tensioning rail ontology under the action of the elastic member always will be together with the plunger contact of hydraulic tensioner, elastic component also plays buffer function simultaneously, it alleviates engine and is generated between the plunger and tensioning rail ontology of cold-start phase hydraulic tensioner and contacted and impact noise firmly, and due to the tensioning and buffer function of connector and elastic component, it can be more effectively tensioned entire correct time chain driving system, reduce the vibration of correct time chain driving system.
Description
Technical field
The utility model relates to automobile technical fields, and more particularly, to a kind of timing chain tensioning rail, one kind having this just
When chain tension rail engine and a kind of automobile with the timing chain tensioning rail or engine.
Background technique
With reaching its maturity for domestic passenger car consumption market, more and more consumers pays close attention to automobile and engine further
NVH quality, and major main engine plants domestic at present go into operation listing vehicle in have matching for greatly engine mounted
Mechanism of qi structure is by the way of timing chain transmission.It generally all can be in left side in the correct time chain driving system arrangement of engine
It is cooperated jointly using on the right side of guided way using both tensioning rail and hydraulic tensioner, catenary system is oriented to and is tensioned together.
In the engine cold-start stage, machine oil is pumped into hydraulic tensioner by oil sump under the action of lubricating oil pump and is needed
Of short duration a period of time is wanted, and exactly during this period of time hydraulic tensioner cannot timely and effectively set up sufficient oil pressure,
Which results in separate between the plunger meeting of the cold-start phase hydraulic tensioner in engine and tensioning rail there are continual
With contact again, this has resulted in hard contact impact noise between the two, and suddenly accelerates and anxious deceleration situations in engine
Hard contact between the two, which will also result in correct time chain driving system, down to be tensioned well, and then timing chain is caused to pass
The vibration problem of dynamic system, influences the NVH quality of engine.
Utility model content
The purpose of this utility model is to provide a kind of timing chain tensioning rails, to solve timing chain in the prior art
The noise of the transmission technical problem larger with vibration.
Timing chain tensioning rail provided by the utility model, including tensioning rail ontology, connector and elastic component;
The side wall of the tensioning rail ontology is equipped with hole, and one end of the elastic component is connect with the hole, the elastic component
The other end connect with the connector;
The connector can extend into or out the hole along the axial direction in the hole, and the connector is used for and hydraulic
The plunger of tight device abuts.
Further, the elastic component includes helical spring.
Further, the hole is stepped hole.
Further, the elastic component is interference fitted towards one end of stepped hole and the bottom outlet of the stepped hole.
Further, the bottom surface of the connector is equipped with opening, and institute is protruded into one end of the elastic component towards connector
It states in opening, and is interference fitted with the opening;The connector can extend into or stretch out the apical pore of the stepped hole.
Further, the connector is made of metal material.
Further, the outer surface of the connector is equipped with wearing layer.
The purpose of this utility model, which also resides in, provides a kind of engine, including hydraulic tensioner and described in the utility model
Timing chain tensioning rail.
Further, the engine further includes timing chain and timing chain guided way;
Along the circumferential direction of the timing chain, the timing chain tensioning rail and timing chain guided way interval are arranged;
The timing chain is separately positioned on the timing chain tensioning rail and the timing chain guided way.
The purpose of this utility model, which also resides in, provides a kind of automobile, including timing chain tensioning rail described in the utility model
Or engine described in the utility model.
Timing chain tensioning rail provided by the utility model, including tensioning rail ontology, connector and elastic component;The tensioning
The side wall of rail ontology is equipped with hole, and one end of the elastic component is connect with the hole, the other end of the elastic component and the company
Fitting connection;The connector can extend into or out the hole along the axial direction in the hole, and the connector be used for it is hydraulic
The plunger of stretcher abuts.Connector on tensioning rail ontology is under the action of the elastic member always by the plunger with hydraulic tensioner
It contacts, while elastic component also plays buffer function, alleviates engine in the column of cold-start phase hydraulic tensioner
Plug contacts firmly with generation between tensioning rail ontology and impact noise, and since the tensioning of connector and elastic component and buffering are made
With can more effectively be tensioned entire correct time chain driving system, reduce the vibration of correct time chain driving system.
Engine provided by the utility model, since the connector on tensioning rail ontology always will under the action of the elastic member
Together with the plunger contact of hydraulic tensioner, while elastic component also plays buffer function, alleviates engine and is being cold-started
It generates between the plunger of stage hydraulic tensioner and tensioning rail ontology and contacts and impact noise firmly, and due to connector and bullet
Property part tensioning and buffer function, can more effectively be tensioned entire correct time chain driving system, reduce timing chain power train
The vibration of system reduces engine luggine.
Automobile provided by the utility model, since the connector on tensioning rail ontology under the action of the elastic member always will be with
Together, while elastic component also plays buffer function to the plunger contact of hydraulic tensioner, alleviates engine in cold start-up rank
It generates between the plunger and tensioning rail ontology of section hydraulic tensioner and contacts and impact noise firmly, and due to connector and elasticity
The tensioning and buffer function of part can more effectively be tensioned entire correct time chain driving system, reduce correct time chain driving system
Vibration, reduce automobile vibration.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of timing chain tensioning rail provided by the embodiment of the utility model;
Fig. 2 is the structural schematic diagram of engine provided by the embodiment of the utility model.
Icon: 1- tensioning rail ontology;2- helical spring;3- piston;4- hydraulic tensioner;5- plunger;6- timing
Chain;7- timing chain guided way.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
In the description of the present invention, it should be noted that such as occur term " center ", "upper", "lower", " left side ",
" right side ", "vertical", "horizontal", "inner", "outside" etc., indicated by orientation or positional relationship be orientation based on the figure or
Positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, such as there is term " first ", " second ", being used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Wherein, term " first position " and " second position " are two different positions.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
The utility model provides a kind of timing chain tensioning rail, engine and automobile, and multiple embodiments pair are given below
Timing chain tensioning rail, engine and automobile provided by the utility model are described in detail.
Embodiment 1
Timing chain tensioning rail provided in this embodiment, as shown in Figure 1 to Figure 2, including tensioning rail ontology 1, connector and
Elastic component;The side wall of tensioning rail ontology 1 is equipped with hole, and one end of elastic component is connect with hole, the other end and connector of elastic component
Connection;Connector can extend into or out hole along the axial direction in hole, and connector with the plunger 5 of hydraulic tensioner 4 for abutting.
Wherein, when connector is abutted with the plunger 5 of hydraulic tensioner 4, the top of connector and the side wall of tensioning rail ontology 1
It is concordant or convex in the side wall with tensioning rail ontology 1, and elastic component is in compressive state.
Connector on tensioning rail ontology 1 under the action of the elastic member always contacts the plunger 5 with hydraulic tensioner 4
Together, while elastic component also plays buffer function, alleviate engine cold-start phase hydraulic tensioner 4 plunger 5 with
Generate hard contact and impact noise between tensioning rail ontology 1, and due to the tensioning and buffer function of connector and elastic component,
It can be more effectively tensioned entire correct time chain driving system, reduce the vibration problem of correct time chain driving system, improve hair
The NVH quality of motivation.
Also, timing chain tensioning rail provided in this embodiment is compact-sized, and timing chain tensioning rail is right convenient for assembly
The tensioning of timing chain system is high-efficient, amount of parts is few, the simple and reliable property of mechanism driving is high.
Wherein, connector may include piston 3, also may include any suitable structure such as link block, connector it is outer
Profile can be cylindric, or any suitable form such as cubic.
Wherein, elastic component may include helical spring 2, also may include any suitable structure such as elastic cushion.
In the present embodiment, elastic component includes helical spring 2, and connector includes piston 3, one end of helical spring 2 and Kong Lian
It connects, the other end of helical spring 2 is connect with piston 3.
Wherein, one end of helical spring 2 can be welded with hole, any suitable mode such as can also be crimped with hole and be fixed on
The other end of Kong Zhong, helical spring 2 can be welded with piston 3, can also be fixed on any suitable modes such as the clampings of piston 3
On piston 3.
Wherein, hole can be blind hole, and the diameter along the axial blind hole in hole is constant, and diameter of blind hole is greater than helical spring
2 and piston 3 diameter.
Further, hole is stepped hole.Specifically, the diameter of the apical pore in stepped hole hole is greater than the straight of the bottom outlet of stepped hole
Diameter.The diameter of the apical pore of stepped hole is greater than the diameter of piston 3, and the diameter of the bottom outlet of stepped hole is less than piston 3 and helical spring 2
Diameter.
Helical spring 2 is interference fitted towards one end of stepped hole and the bottom outlet of stepped hole, to make helical spring 2 towards rank
The one end in terraced hole is fixed in the bottom outlet of stepped hole.
The bottom surface of piston 3 is equipped with opening, and one end of helical spring 2 towards piston 3 protrudes into opening, and with opening interference
Cooperation;Piston 3 can extend into or out the apical pore of stepped hole along the axial direction of stepped hole.To by stepped hole, helical spring 2 and live
3 assembly of plug is integrated.
Further, connector is made of metal material.Such as: any suitable material such as steel, iron or copper
Such setting makes the plunger 5 of connector and hydraulic tensioner 4 equally all be metal material, avoids because of connector
The problem of side that the material is soft caused by different with the material of plunger 5 of hydraulic tensioner 4 is abnormal abrasion.It improves
The service life of the plunger 5 of connector and hydraulic tensioner 4.
Further, the outer surface of connector is equipped with wearing layer, can prevent connector from wearing, improve making for connector
Use the service life.
In addition, wearing layer also can be set on the outer surface of the plunger 5 of hydraulic tensioner 4, hydraulic tensioner 4 can be prevented
Plunger 5 wear, improve hydraulic tensioner 4 plunger 5 service life.
Timing chain tensioning rail provided in this embodiment, including tensioning rail ontology 1, connector and elastic component;Tensioning rail sheet
The side wall of body 1 is equipped with hole, and one end of elastic component is connect with hole, and the other end of elastic component is connect with connector;Connector can
Axial direction along hole extends into or out hole, and connector with the plunger 5 of hydraulic tensioner 4 for abutting.Company on tensioning rail ontology 1
Fitting under the action of the elastic member always contacts the plunger 5 with hydraulic tensioner 4, at the same elastic component also play it is slow
Punching effect, alleviates engine and generates between the plunger 5 and tensioning rail ontology 1 of cold-start phase hydraulic tensioner 4 and contact firmly
And impact noise, and due to the tensioning and buffer function of connector and elastic component, it can more effectively be tensioned entire timing
Chain transmission system reduces the vibration problem of correct time chain driving system.
Embodiment 2
Engine provided in this embodiment, the timing chain tensioning rail provided including hydraulic tensioner 4 and embodiment 1.
Connector on tensioning rail ontology 1 under the action of the elastic member always contacts the plunger 5 with hydraulic tensioner 4, together
When elastic component also play buffer function, alleviate engine cold-start phase hydraulic tensioner 4 plunger 5 and tensioning rail sheet
Hard contact and impact noise are generated between body 1, and due to the tensioning and buffer function of connector and elastic component, can more be had
The entire correct time chain driving system of the tensioning of effect reduces the vibration problem of correct time chain driving system, reduces engine luggine.
Further, engine further includes timing chain 6 and timing chain guided way 7;Along the circumferential direction of timing chain 6, just
When chain tension rail and timing chain guided way 7 interval be arranged;Timing chain 6 is separately positioned on timing chain tensioning rail and timing
On chain guided way 7.Timing chain guided way 7 plays guiding role to timing chain 6, and timing chain tensioning rail is to timing chain
6 play tension, so that timing chain 6 be made to be driven.
Embodiment 3
What automobile provided in this embodiment, the timing chain tensioning rail provided including embodiment 1 or embodiment 2 provided starts
Machine.Connector on tensioning rail ontology 1 under the action of the elastic member always contacts the plunger 5 with hydraulic tensioner 4,
Elastic component also plays buffer function simultaneously, alleviates engine in the plunger 5 and tensioning rail of cold-start phase hydraulic tensioner 4
Hard contact and impact noise are generated between ontology 1, and due to the tensioning and buffer function of connector and elastic component, Neng Gougeng
It is effectively tensioned entire correct time chain driving system, reduces the vibration problem of correct time chain driving system, reduces automobile vibration.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System;Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced;And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of timing chain tensioning rail, which is characterized in that including tensioning rail ontology, connector and elastic component;
The side wall of the tensioning rail ontology is equipped with hole, and one end of the elastic component connect with the hole, the elastic component it is another
One end is connect with the connector;
The connector can extend into or out the hole along the axial direction in the hole, and the connector is used for and hydraulic tensioner
Plunger abut.
2. timing chain tensioning rail according to claim 1, which is characterized in that the elastic component includes helical spring.
3. timing chain tensioning rail according to claim 1, which is characterized in that the hole is stepped hole.
4. timing chain tensioning rail according to claim 3, which is characterized in that the elastic component is towards one end of stepped hole
It is interference fitted with the bottom outlet of the stepped hole.
5. timing chain tensioning rail according to claim 4, which is characterized in that the bottom surface of the connector is equipped with and opens
Mouthful, one end of the elastic component towards connector is protruded into the opening, and is interference fitted with the opening;The connector energy
Enough extend into or out the apical pore of the stepped hole.
6. timing chain tensioning rail according to claim 1, which is characterized in that the connector is made of metal material.
7. timing chain tensioning rail according to claim 1, which is characterized in that the outer surface of the connector is equipped with resistance to
Grind layer.
8. a kind of engine, which is characterized in that including hydraulic tensioner and timing of any of claims 1-7
Chain tension rail.
9. engine according to claim 8, which is characterized in that the engine further includes timing chain and timing chain
Guided way;
Along the circumferential direction of the timing chain, the timing chain tensioning rail and timing chain guided way interval are arranged;
The timing chain is separately positioned on the timing chain tensioning rail and the timing chain guided way.
10. a kind of automobile, which is characterized in that including timing chain tensioning rail of any of claims 1-7 or right
It is required that engine described in 8 or 9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821563232.8U CN208858876U (en) | 2018-09-25 | 2018-09-25 | Timing chain tensioning rail, engine and automobile |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821563232.8U CN208858876U (en) | 2018-09-25 | 2018-09-25 | Timing chain tensioning rail, engine and automobile |
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Publication Number | Publication Date |
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CN208858876U true CN208858876U (en) | 2019-05-14 |
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CN201821563232.8U Active CN208858876U (en) | 2018-09-25 | 2018-09-25 | Timing chain tensioning rail, engine and automobile |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113028009A (en) * | 2020-10-20 | 2021-06-25 | 深圳素士科技股份有限公司 | Transmission device and shaver |
CN114321300A (en) * | 2021-12-29 | 2022-04-12 | 吉林大学 | Intelligent tensioner for automobile timing toothed chain system and control method thereof |
-
2018
- 2018-09-25 CN CN201821563232.8U patent/CN208858876U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113028009A (en) * | 2020-10-20 | 2021-06-25 | 深圳素士科技股份有限公司 | Transmission device and shaver |
CN113028009B (en) * | 2020-10-20 | 2022-09-30 | 深圳素士科技股份有限公司 | Transmission device and shaver |
CN114321300A (en) * | 2021-12-29 | 2022-04-12 | 吉林大学 | Intelligent tensioner for automobile timing toothed chain system and control method thereof |
CN114321300B (en) * | 2021-12-29 | 2024-05-14 | 吉林大学 | Intelligent tensioner for automobile timing toothed chain system and control method thereof |
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