CN207513646U - Forced feed lubrication engine timing chain system - Google Patents
Forced feed lubrication engine timing chain system Download PDFInfo
- Publication number
- CN207513646U CN207513646U CN201721555651.2U CN201721555651U CN207513646U CN 207513646 U CN207513646 U CN 207513646U CN 201721555651 U CN201721555651 U CN 201721555651U CN 207513646 U CN207513646 U CN 207513646U
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- timing chain
- guide plate
- forced feed
- feed lubrication
- nozzle opening
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Abstract
The utility model discloses a kind of forced feed lubrication engine timing chain systems, including timing chain, timing chain is engaged on the outside of timing sprocket, the side of timing chain is equipped with tensioning guide plate, hydraulic tensioner is connected on tensioning guide plate, the opposite side of timing chain is provided with resting guide, and the nozzle opening of connection oil feeding line is provided on hydraulic tensioner, oil spout straight slot, the joint place of the bottom connection timing chain and tensioning guide plate of oil spout straight slot are provided in tensioning guide plate.The utility model opens up additional nozzle opening on hydraulic tensioner, the oil feeding line that lubricating oil can be borrowed to hydraulic tensioner is ejected into from nozzle opening in the oil spout straight slot on tensioning guide plate, lubricating oil goes directly timing chain, does not need to additionally add nozzle, saves part manufacturing cost；Oily beam flows to timing chain with being tensioned the joint place of guide plate by oil spout straight slot, with the rotation of timing chain, realizes the forced feed lubrication of whole system, improves the durability that part uses.
Description
Technical field
The utility model belongs to vehicular engine parts lubrication technical field, specifically a kind of forced feed lubrication engine timing
Catenary system.
Background technology
In the automobile engine course of work, under the transmission of Timing Belt or timing chain, bent axle drives camshaft actuated
Valve is opened and closed in the correct time, and cooperation piston completes air inlet, compression, acting and exhaust Four processes, ensures that engine is normal
Operating.
With the development of automotive engineering, engine timing system more and more replaces timing belt using timing chain transmission
Transmission, timing chain system is compact-sized, reliability and wearability higher, and how to improve the performance of timing chain drive system, drop
Low noise, and the technical issues of reliability durability is badly in need of solving as the field is improved, wherein being fitted to timing chain system
When lubrication be solve technical problem key point.
In existing design, in order to which lubricating chain usually draws oil duct with sprocket wheel on cylinder body and cylinder cap and increases atomizer,
Cause the internal structure of engine cylinder body and cylinder cap complicated, and cost increases, such as application No. is 02159565.8 Chinese patent,
A kind of " lubricating system for being used for automobile v-shaped engine timing chain " is disclosed, is additionally arranged two oil nozzle adapters and matching
The connecting tube of conjunction and automatic tension device；For another example application No. is the Chinese patents of CN201220573959.0, disclose " a kind of novel
Engine timing chain system " is additionally arranged timing chain atomizer on the upside of crankshaft timing sprocket, for crankshaft timing sprocket and just
When chain engagement place carry out oil jet lubrication, such lubricating system easily when chain runs at high speed occur oil droplet splash；Also have
Be lubricated using the oil leak hole of stretcher, but the Essential Performance Requirements for being difficult to maintain stretcher itself to be tensioned, cause to be tensioned
Power is insufficient.
Invention content
The purpose of this utility model is to provide a kind of forced feed lubrication engine timing chain system, simple and compact for structure, can be real
The sufficient lubrication of existing timing chain system, oil droplet do not splash.
To achieve the above object, the technical solution adopted in the utility model is：A kind of forced feed lubrication engine timing linkwork
System, including timing chain, the timing chain is engaged on the outside of timing sprocket, and the side of the timing chain is equipped with tensioning and leads
Plate is tensioned on guide plate and is connected with hydraulic tensioner, and the opposite side of the timing chain is provided with resting guide, the hydraulic tensioning
The nozzle opening of connection oil feeding line is provided on device, oil spout straight slot is provided in the tensioning guide plate, the bottom connection of oil spout straight slot is just
When chain with tensioning guide plate joint place.
The utility model 1) additional nozzle opening is opened up on hydraulic tensioner, lubricating oil can be borrowed hydraulic tensioner
Lubricating oil is linked into nozzle opening by oil feeding line, is ejected into the oil spout straight slot on tensioning guide plate by nozzle opening, lubricating oil goes directly
Timing chain does not need to additionally add nozzle, saves part manufacturing cost；2) oily beam by oil spout straight slot flow to timing chain with
The joint place of guide plate is tensioned, with the rotation of timing chain to, lubricating oil can be taken to entire timing chain and timing sprocket, it is real
Existing forced feed lubrication and sufficient lubrication, improve the durability that part uses, and lubricating oil is not susceptible to excessively splash；3) hydraulic tensioner
And tensioning guide plate, resting guide can provide enough tensile forces for timing chain, make to protect between timing chain and timing sprocket
Effective contact and operating pressure are held, reduces the noise that the vibration of timing chain is brought.
Further, the hydraulic tensioner includes tensioning mounting portion, is provided with and is parallel in the convex body portion of hydraulic tensioner
The nozzle opening of mounting portion is tensioned, nozzle opening is towards the arrival end of oil spout straight slot.Hydraulic tensioner can be installed to by tensioning mounting portion
It is tensioned on guide plate, nozzle opening is set towards tensioning guide plate.
Another step, hollow groove is provided in the hydraulic tensioner, hollow groove connects the nozzle opening and oil feeding line.It should
Hollow groove has connected oil feeding line and nozzle opening, and can store parts of lubricating oil.
Further, bolt mounting holes are provided in the convex body portion, bolt mounting holes are connected with nozzle opening and hollow groove.Spiral shell
Mounting flange bolt, flange bolt may be connected on cylinder body in bolt mounting hole.
Another step ground, the bolt mounting holes and flange bolt clearance fit, the flange portion of flange bolt install bolt
The top seal in hole.Lubricating oil passes through in the gap between bolt mounting holes and flange bolt, and oil spout is entered by hollow groove
Kong Zhong.
Further, the aperture of the nozzle opening is 1~2mm.The aperture of nozzle opening is limited in smaller range, is not influenced
Stretcher does fuel feeding oil pressure during tensioning work.
Further, the baffle of the tensioning guide plate extension equipped with timing chain, baffle is close to the port of export of oil spout straight slot
Setting.Baffle is located at the both sides of timing chain, the splashing of lubricating oil when preventing the timing chain from running at high speed.
Another step ground, the baffle are arc symmetrical structure.
Further, the oil spout straight slot is gradually increased by the bore of arrival end to the port of export.Facilitate lubrication so that enter
Lubricating oil reach timing chain be tensioned guide plate joint place when, contact surface becomes larger, improve lubricating efficiency.
Further, the timing sprocket includes crankshaft timing sprocket and cam shaft timing chain wheel, cam shaft timing chain wheel
Between the timing chain of top be equipped with fixed pressure rail.Strengthen fixing, ensure timing chain normal work.
Description of the drawings
Fig. 1 is the general structure schematic diagram of the utility model.
Fig. 2 is that hydraulic tensioner lubricates oil spout close-up schematic view in Fig. 1.
Fig. 3 is the side structure schematic view of hydraulic tensioner.
Fig. 4 is along the hydraulic tensioner cross-sectional view of A-A section lines in Fig. 3.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, convenient for more clearly understanding the utility model,
But the utility model is not limited to following specific embodiments.
As shown in Figure 1 to 4, a kind of forced feed lubrication engine timing chain system of the utility model, including timing chain
300, timing chain 300 is engaged on the outside of timing sprocket, and timing sprocket includes crankshaft timing sprocket 500 and camshaft drive chain
Wheel 600, cam shaft timing chain wheel 600 include two at a distance of nearer admission cam shaft timing sprocket and exhaust cam shaft timing chain
It takes turns, the timing chain 300 of top is equipped with fixed pressure rail 700 between two cam shaft timing chain wheels 600, timing chain 300
Side is equipped with tensioning guide plate 200, is tensioned on guide plate 200 and is connected with hydraulic tensioner 100, the opposite side setting of timing chain 300
There is resting guide 400, the vibration of timing chain 300 can be reduced, improve service life；Connection is provided on hydraulic tensioner 100
The nozzle opening 110 of oil feeding line, the aperture of nozzle opening 110 is 1~2mm, is tensioned in guide plate 200 and is provided with oil spout straight slot 210, oil spout
Joint place of the bottom connection timing chain 300 of straight slot 210 with being tensioned guide plate 200.
As depicted in figs. 1 and 2, it is ejected into the lubricating oil on timing chain 300 in order to prevent with the height of timing chain 300
Speed operating is excessively splashed, and is ensured that most of lubricating oil can be attached on catenary system and is lubricated operating, the tensioning extension of guide plate 200 is set
There is the baffle 220 of timing chain 300, baffle 220 is set close to the port of export 212 of oil spout straight slot 210；In order to preferably play gear
Baffle 220 is designed as arc symmetrical structure by the effect of plate 220, and baffle 220 is integrally formed with tensioning guide plate 200, is located at respectively
The both sides extended spot of guide plate 200 is tensioned, is timing chain 300 between baffle 220, highest arc point stretches out timing chain 300
It is covered.
As shown in Fig. 2, oil spout straight slot 210 is gradually increased by the bore of arrival end 211 to the port of export 212, formation is radial,
So that increasing into contact area during the joint place of timing chain 300 and tensioning guide plate 200, lubricant effect is improved.
As shown in Figure 2, Figure 3 and Figure 4, hydraulic tensioner 100 includes tensioning mounting portion 120, can by being tensioned mounting portion 120
It is installed on tensioning guide plate 200；The nozzle opening for being parallel to tensioning mounting portion 120 is provided in the convex body portion 130 of hydraulic tensioner 100
110, the nozzle opening 110 towards compress guide plate 200 on oil spout straight slot 210 arrival end 211；Bolt is provided in convex body portion 130
Mounting hole 170, bolt mounting holes 170 are connected with nozzle opening 110 and hollow groove 140；Bolt mounting holes 170 and flange bolt 160
Clearance fit, by the top seal of bolt mounting holes 170, flange bolt 160 can pacify stretcher the flange portion of flange bolt 160
On cylinder body；Hollow groove 140 is provided in hydraulic tensioner 100, hollow groove 140 connects nozzle opening 110 and oil feeding line, that is, sprays
The arrival end 150 of oil circuit leads to the bottom of hollow groove 140.Lubricating oil can be caused to borrow the fuel feeding oil of hydraulic tensioner 100
The lubricating oil on road is filled with hollow groove 140, then the gap of bolt mounting holes 170 and flange bolt 160 is entered by hollow groove 140
Place, enters nozzle opening 110 later, and the lubricating oil in nozzle opening 110 is continual to be ejected on tensioning guide plate 200, and then
It is flowed on the timing chain 300 and timing gears that need to lubricate by oil spout straight slot 210.The utility model stretcher oil feeding line and
The oil spout oil circuit lubricated for timing chain 300 is connected to logical, and mutual when working does not influence.
The timing chain 300 that the utility model is not described in detail and tensioning guide plate 200, resting guide 400, fixed pressure rail
The structure for playing tension in connection and hydraulic tensioner 100, specific fuel feeding oil between 700 and timing sprocket
Road system, is the prior art well known to those skilled in the art, is not unfolded to describe herein.
Above-described specific embodiment is only schematical, the limit of used technical term in the utility model
The only description for convenience of qualitative qualifier, any equivalent replacement or substantially identical restriction all fall the protection model in the utility model
In enclosing, those of ordinary skill in the art are not taking off under the enlightenment of the utility model forced feed lubrication engine timing chain system
In the case of the utility model aims and scope of the claimed protection, many forms can be also derived, these are in this reality
Within novel protection domain.
Claims (10)
1. a kind of forced feed lubrication engine timing chain system, including timing chain (300), the timing chain (300) is engaged on
The outside of timing sprocket, it is characterised in that：The side of the timing chain (300) is equipped with tensioning guide plate (200), is tensioned guide plate
(200) hydraulic tensioner (100) is connected on, the opposite side of the timing chain (300) is provided with resting guide (400), institute
The nozzle opening (110) that connection oil feeding line is provided on hydraulic tensioner (100) is stated, oil spout is provided in the tensioning guide plate (200)
Straight slot (210), the joint place of the bottom connection timing chain (300) and tensioning guide plate (200) of oil spout straight slot (210).
2. forced feed lubrication engine timing chain system according to claim 1, it is characterised in that：The hydraulic tensioner
(100) it including being tensioned mounting portion (120), is provided in the convex body portion (130) of hydraulic tensioner (100) and is parallel to tensioning mounting portion
(120) nozzle opening (110), nozzle opening (110) is towards the arrival end (211) of oil spout straight slot (210).
3. forced feed lubrication engine timing chain system according to claim 1 or 2, it is characterised in that：The hydraulic tensioning
Hollow groove (140) is provided in device (100), hollow groove (140) connects the nozzle opening (110) and oil feeding line.
4. forced feed lubrication engine timing chain system according to claim 2, it is characterised in that：The convex body portion (130)
On be provided with bolt mounting holes (170), bolt mounting holes (170) are connected with nozzle opening (110) and hollow groove (140).
5. forced feed lubrication engine timing chain system according to claim 4, it is characterised in that：The bolt mounting holes
(170) top of bolt mounting holes (170) is sealed with flange bolt (160) clearance fit, the flange portion of flange bolt (160)
It closes.
6. according to the forced feed lubrication engine timing chain system described in claim 1,2 or 4, it is characterised in that：The nozzle opening
(110) aperture is 1~2mm.
7. forced feed lubrication engine timing chain system according to claim 1, it is characterised in that：The tensioning guide plate
(200) baffle (220) of the extension equipped with timing chain (300), baffle (220) is close to the port of export (212) of oil spout straight slot (210)
Setting.
8. forced feed lubrication engine timing chain system according to claim 7, it is characterised in that：The baffle (220) is
Arc symmetrical structure.
9. according to the forced feed lubrication engine timing chain system described in claim 1,2 or 7, it is characterised in that：The oil spout is led to
Slot (210) is gradually increased by the bore of arrival end (211) to the port of export (212).
10. forced feed lubrication engine timing chain system according to claim 1, it is characterised in that：The timing sprocket packet
Include crankshaft timing sprocket (500) and cam shaft timing chain wheel (600), the timing chain of top between cam shaft timing chain wheel (600)
Item (300) is equipped with fixed pressure rail (700).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721555651.2U CN207513646U (en) | 2017-11-20 | 2017-11-20 | Forced feed lubrication engine timing chain system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721555651.2U CN207513646U (en) | 2017-11-20 | 2017-11-20 | Forced feed lubrication engine timing chain system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207513646U true CN207513646U (en) | 2018-06-19 |
Family
ID=62540116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721555651.2U Active CN207513646U (en) | 2017-11-20 | 2017-11-20 | Forced feed lubrication engine timing chain system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207513646U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111350806A (en) * | 2018-12-21 | 2020-06-30 | 舍弗勒技术股份两合公司 | Tensioning device, wrap-around transmission assembly and internal combustion engine |
-
2017
- 2017-11-20 CN CN201721555651.2U patent/CN207513646U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111350806A (en) * | 2018-12-21 | 2020-06-30 | 舍弗勒技术股份两合公司 | Tensioning device, wrap-around transmission assembly and internal combustion engine |
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| GR01 | Patent grant | ||
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Address after: 430056 No. 1 Dongfeng Avenue, Wuhan economic and Technological Development Zone, Hubei, Wuhan Patentee after: dFac Address before: 430056 No. 1 Dongfeng Avenue, Wuhan economic and Technological Development Zone, Hubei, Wuhan Patentee before: Dongfeng Car Co. |