CN204386694U - The lubricating fitting of timing chain system - Google Patents
The lubricating fitting of timing chain system Download PDFInfo
- Publication number
- CN204386694U CN204386694U CN201420787502.9U CN201420787502U CN204386694U CN 204386694 U CN204386694 U CN 204386694U CN 201420787502 U CN201420787502 U CN 201420787502U CN 204386694 U CN204386694 U CN 204386694U
- Authority
- CN
- China
- Prior art keywords
- oil
- timing chain
- timing
- spool
- jet
- 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.)
- Expired - Fee Related
Links
- 230000001050 lubricating effect Effects 0.000 title claims abstract description 15
- 239000000945 filler Substances 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 5
- 238000005461 lubrication Methods 0.000 abstract description 17
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 100
- 239000000314 lubricant Substances 0.000 description 32
- 230000000694 effects Effects 0.000 description 7
- 239000007921 spray Substances 0.000 description 5
- 239000010687 lubricating oil Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- General Details Of Gearings (AREA)
Abstract
The utility model relates to a kind of engine lubrication, especially relates to a kind of lubricating fitting of timing chain system.The lubricating fitting of this timing chain system, comprise the timing gear being fixed on bent axle axle head and the timing chain engaged with timing gear, described bent axle is arranged with internal rotor and external rotor, the side of internal rotor and external rotor is communicated with oil suction chamber, opposite side is communicated with high-voltage oil cavity, oil nozzle is provided with above timing gear, high-voltage oil cavity is connected with oil nozzle by draining road, and road is provided with pressure-limit valve to draining.The utility model has and can lubricate timing chain and timing gear exactly, lubricates exactly to friction pair, lubricates the beneficial effects such as stable timing chain system.
Description
Technical field
The utility model relates to a kind of engine lubrication, especially relates to a kind of lubricating fitting of timing chain system.
Background technique
Along with adding of motor Abgasgesetz is tight, Modern Engine is moving towards miniaturization and lightweight.Improving constantly of power per liter, proposes the wearing and tearing of harsher requirement, particularly linkwork to timing chain system.The lubricating system of current engine timing chain system is mainly splash lubrication; because the direction of lubricating oil splash cannot be directed; cause the instability of splash lubrication and uncertain; therefore can not ensure that the friction pair that timing chain system is between optimum lubrication protection state, particularly timing chain and gear, guide rail cannot obtain stable lubrication.
Model utility content
The utility model, mainly for the problems referred to above, provides a kind of and can lubricate timing chain and timing gear exactly, lubricate exactly, lubricate friction pair the lubricating fitting of stable timing chain system.
The purpose of this utility model is mainly achieved by following proposal: a kind of lubricating fitting of timing chain system, comprise the timing gear being fixed on bent axle axle head and the timing chain engaged with timing gear, described bent axle is arranged with internal rotor and external rotor, the side of internal rotor and external rotor is communicated with oil suction chamber, opposite side is communicated with high-voltage oil cavity, oil nozzle is provided with above timing gear, high-voltage oil cavity is connected with oil nozzle by draining road, and road is provided with pressure-limit valve to draining.In engine operation process, crankshaft rotating drives timing gear to rotate, and timing gear drive timing chain, when crankshaft rotating, also drives internal rotor and external rotor to rotate simultaneously.Along with internal rotor and external rotor rotate, the lubricant oil entered in oil suction chamber is pumped in high-voltage oil cavity, along with the lubricant oil in high-voltage oil cavity increases, pressure increase.When the lubricating oil pressure in high-voltage oil cavity is greater than after the restriction pressure of pressure-limit valve, pressure-limit valve is then opened, lubricant oil in high-voltage oil cavity flows into oil nozzle by pressure-limit valve by draining road, because oil nozzle is positioned at above timing gear, extreme pressure lubricant is sprayed on above timing gear by oil nozzle, and timing gear and timing chain all can be lubricated.Led by the injection direction of oil nozzle to lubricant oil, can exactly to timing gear and timing chain lubrication.By the rotation of internal rotor and external rotor by lubricant oil pressurized storage in high-voltage oil cavity, realize the supercharging of lubricant oil, improve the stability of lubrication.
As preferably, described oil nozzle is provided with jet, the vertical corresponding timing gear of jet.Oil nozzle is provided with jet, extreme pressure lubricant in oil nozzle is ejected by jet, due to the vertical corresponding timing gear of jet, the lubricant oil that jet sprays can vertically be injected on the tooth of timing gear, and then be injected in timing chain and engage position with timing gear, improve lubrication effect.
As preferably, described jet is toroidal, and the diameter of jet is more than or equal to the width of timing chain.Jet is toroidal, and expand the scope of jet oil spout, the diameter of jet is more than or equal to the width of timing chain, ensure to spray lubricant oil can cover timing chain completely, improve the lubrication effect of timing chain.
As preferably, described pressure-limit valve comprises valve pocket, for sealing the spool in draining road and the Returnning spring inconsistent with spool, one end that described valve pocket is connected with high-voltage oil cavity is the one end be connected with draining road in the middle part of filler opening, valve pocket is oil outlet, and spool is positioned at valve pocket inside and is slidably connected with valve pocket inwall.Pressure-limit valve comprises valve pocket, for sealing the spool in draining road and the Returnning spring inconsistent with spool, one end that valve pocket is connected with graceful oil pocket is filler opening, the one end be connected with draining road in the middle part of valve pocket is oil outlet, lubricant oil is entered by filler opening, flow in draining road through valve pocket by oil outlet, Returnning spring conflict spool, the passage of valve pocket is sealed by spool, when the oil pressure in high-pressure oil duct is greater than the pretightening force of Returnning spring, extreme pressure lubricant promotes spool compression reseting spring, and enters draining road by oil outlet.When the oil pressure in high-pressure oil duct reduces, Returnning spring promotes valve core reset, cuts off the path between filler opening and oil outlet, makes pressure-limit valve realize the effect of pressure limiting.
As preferably, spool is near filler opening place, and Returnning spring is positioned at below spool.
Therefore, the lubricating fitting of timing chain system of the present utility model possesses following advantage: 1, when crankshaft rotating, also drive internal rotor and external rotor to rotate simultaneously, along with internal rotor and external rotor rotate, the lubricant oil entered in oil suction chamber is pumped in high-voltage oil cavity, along with the lubricant oil in high-voltage oil cavity increases, pressure increase, when the lubricating oil pressure in high-voltage oil cavity is greater than after the restriction pressure of pressure-limit valve, pressure-limit valve is then opened, lubricant oil in high-voltage oil cavity flows into oil nozzle by pressure-limit valve by draining road, because oil nozzle is positioned at above timing gear, extreme pressure lubricant is sprayed on above timing gear by oil nozzle, timing gear and timing chain all can be lubricated, 2, led by the injection direction of oil nozzle to lubricant oil, can exactly to timing gear and timing chain lubrication.By the rotation of internal rotor and external rotor by lubricant oil pressurized storage in high-voltage oil cavity, realize the supercharging of lubricant oil, improve the stability of lubrication; 3, jet is toroidal, and expand the scope of jet oil spout, the diameter of jet is more than or equal to the width of timing chain, ensure to spray lubricant oil can cover timing chain completely, improve the lubrication effect of timing chain.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of structural representation of the present utility model;
Accompanying drawing 2 is one radial longitudinal section sectional views of accompanying drawing 1;
Accompanying drawing 3 is one axial longitudinal section sectional views of accompanying drawing 1;
Accompanying drawing 4 is partial enlarged drawings of pressure-limit valve open mode.
Illustrate: 1-bent axle, 2-timing gear, 3-timing chain, 4-internal rotor, 5-external rotor, 6-oil suction chamber, 7-high-voltage oil cavity, 8-draining road, 9-oil nozzle, 10-jet, 11-valve pocket, 12-spool, 13-Returnning spring, 14-filler opening, 15-oil outlet.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: as shown in Figure 1,2,3, 4, a kind of lubricating fitting of timing chain system, comprises the timing gear 2 being fixed on bent axle 1 axle head and the timing chain 3 engaged with timing gear, bent axle is arranged with internal rotor 4 and external rotor 5.The side of internal rotor and external rotor is communicated with oil suction chamber 6, opposite side is communicated with high-voltage oil cavity 7, oil nozzle 9 is provided with above timing gear, oil nozzle is provided with jet 10, the vertical corresponding timing gear of jet, jet is toroidal, and the diameter of jet is more than or equal to the width of timing chain.High-voltage oil cavity is connected with oil nozzle by draining road 8, and road is provided with pressure-limit valve to draining.Pressure-limit valve comprises valve pocket 11, for sealing the spool 12 in draining road and the Returnning spring 13 inconsistent with spool, one end that valve pocket is connected with high-voltage oil cavity is the one end be connected with draining road in the middle part of filler opening 14, valve pocket is oil outlet 15, and spool is positioned at valve pocket inside and is slidably connected with valve pocket inwall.Spool is near filler opening place, and Returnning spring is positioned at below spool.
In engine operation process, crankshaft rotating drives timing gear to rotate, and timing gear drive timing chain, when crankshaft rotating, also drives internal rotor and external rotor to rotate simultaneously.Along with internal rotor and external rotor rotate, the lubricant oil entered in oil suction chamber is pumped in high-voltage oil cavity, along with the lubricant oil in high-voltage oil cavity increases, pressure increase.When the lubricating oil pressure in high-voltage oil cavity is greater than after the restriction pressure of pressure-limit valve, pressure-limit valve is then opened, lubricant oil in high-voltage oil cavity flows into oil nozzle by pressure-limit valve by draining road, because oil nozzle is positioned at above timing gear, extreme pressure lubricant is sprayed on above timing gear by oil nozzle, and timing gear and timing chain all can be lubricated.Led by the injection direction of oil nozzle to lubricant oil, can exactly to timing gear and timing chain lubrication.By the rotation of internal rotor and external rotor by lubricant oil pressurized storage in high-voltage oil cavity, realize the supercharging of lubricant oil, improve the stability of lubrication.Oil nozzle is provided with jet, extreme pressure lubricant in oil nozzle is ejected by jet, due to the vertical corresponding timing gear of jet, the lubricant oil that jet sprays can vertically be injected on the tooth of timing gear, and then be injected in timing chain and engage position with timing gear, improve lubrication effect.Jet is toroidal, and expand the scope of jet oil spout, the diameter of jet is more than or equal to the width of timing chain, ensure to spray lubricant oil can cover timing chain completely, improve the lubrication effect of timing chain.Pressure-limit valve comprises valve pocket, for sealing the spool in draining road and the Returnning spring inconsistent with spool, one end that valve pocket is connected with graceful oil pocket is filler opening, the one end be connected with draining road in the middle part of valve pocket is oil outlet, lubricant oil is entered by filler opening, flow in draining road through valve pocket by oil outlet, Returnning spring conflict spool, the passage of valve pocket is sealed by spool, when the oil pressure in high-pressure oil duct is greater than the pretightening force of Returnning spring, extreme pressure lubricant promotes spool compression reseting spring, and enters draining road by oil outlet.When the oil pressure in high-pressure oil duct reduces, Returnning spring promotes valve core reset, cuts off the path between filler opening and oil outlet, makes pressure-limit valve realize the effect of pressure limiting
Should be understood that this embodiment is only not used in restriction scope of the present utility model for illustration of the utility model.In addition should be understood that those skilled in the art can make various changes or modifications the utility model, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the utility model instruction.
Claims (5)
1. the lubricating fitting of a timing chain system, comprise the timing gear being fixed on bent axle axle head and the timing chain engaged with timing gear, it is characterized in that, described bent axle is arranged with internal rotor and external rotor, the side of internal rotor and external rotor is communicated with oil suction chamber, opposite side is communicated with high-voltage oil cavity, above timing gear, be provided with oil nozzle, high-voltage oil cavity is connected with oil nozzle by draining road, and road is provided with pressure-limit valve to draining.
2. the lubricating fitting of timing chain system according to claim 1, is characterized in that, described oil nozzle is provided with jet, the vertical corresponding timing gear of jet.
3. the lubricating fitting of timing chain system according to claim 2, is characterized in that, described jet is toroidal, and the diameter of jet is more than or equal to the width of timing chain.
4. the lubricating fitting of the timing chain system according to claim 1 or 2 or 3, it is characterized in that, described pressure-limit valve comprises valve pocket, for sealing the spool in draining road and the Returnning spring inconsistent with spool, one end that described valve pocket is connected with high-voltage oil cavity is the one end be connected with draining road in the middle part of filler opening, valve pocket is oil outlet, and spool is positioned at valve pocket inside and is slidably connected with valve pocket inwall.
5. the lubricating fitting of timing chain system according to claim 4, is characterized in that, spool is near filler opening place, and Returnning spring is positioned at below spool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420787502.9U CN204386694U (en) | 2014-12-12 | 2014-12-12 | The lubricating fitting of timing chain system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420787502.9U CN204386694U (en) | 2014-12-12 | 2014-12-12 | The lubricating fitting of timing chain system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204386694U true CN204386694U (en) | 2015-06-10 |
Family
ID=53359425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420787502.9U Expired - Fee Related CN204386694U (en) | 2014-12-12 | 2014-12-12 | The lubricating fitting of timing chain system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204386694U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111541318A (en) * | 2020-04-24 | 2020-08-14 | 朱永全 | Cast copper rotor of motor |
-
2014
- 2014-12-12 CN CN201420787502.9U patent/CN204386694U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111541318A (en) * | 2020-04-24 | 2020-08-14 | 朱永全 | Cast copper rotor of motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202756593U (en) | One-way active lubricating device for gear boxes and gear box with same | |
| CN204099025U (en) | A kind of engine piston cooling structure | |
| CN204386694U (en) | The lubricating fitting of timing chain system | |
| CN202392418U (en) | Rotor type short shaft sleeve oil pump provided with circulating lubrication oil groove | |
| CN201202634Y (en) | Engine oil pump for automobile engine | |
| CN204755018U (en) | Slide rail lubricating structure of engine timing system and car | |
| CN202790481U (en) | Lubrication movable guide rail bolt | |
| CN203702330U (en) | Peanut shell rotary engine | |
| CN201723271U (en) | Lubricating arrangement of motorcycle crankshaft connecting mechanism | |
| CN104564653A (en) | Plunger reciprocating pump with built-in pressure lubricating oil passage | |
| CN205956732U (en) | Lubricated formula high pressure common rail pump overflow valve of diesel oil | |
| CN203477477U (en) | Check valve of oil passage | |
| CN205533100U (en) | Lubricating system of CNG compressor | |
| CN204476746U (en) | A kind of plunger reciprocating pump of built-in pressure lubrication oil circuit | |
| CN204371661U (en) | A kind of use for diesel engine high-pressure common rail inline pump machine | |
| CN210460788U (en) | Lubricating structure of crankshaft | |
| CN203404047U (en) | Pressurizing oil supply lubricating mechanism for controlling pressure of lubricating oil for compressor | |
| CN204371442U (en) | The lubricating structure of timing mechanism | |
| CN105420959A (en) | Automatic-oiling rotating shuttle shaft structure and rotating shuttle box of embroidery machine | |
| CN202152845U (en) | Spline lubricating device and drive gear box provided with same | |
| CN204493697U (en) | The cylinder block of Pneumatic high pressure greasing pump | |
| CN203584495U (en) | Engine oil pump cover of engine | |
| CN200955414Y (en) | Cylinder-cover oil-circuit structure of automobile engine | |
| CN203515713U (en) | Pressure adjustment device for engine oil | |
| CN205207215U (en) | A leak protection oil bearing seal device for oil -injected screw formula compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |