CN201531283U - Front bearing cap of engine camshaft - Google Patents
Front bearing cap of engine camshaft Download PDFInfo
- Publication number
- CN201531283U CN201531283U CN200920141399XU CN200920141399U CN201531283U CN 201531283 U CN201531283 U CN 201531283U CN 200920141399X U CN200920141399X U CN 200920141399XU CN 200920141399 U CN200920141399 U CN 200920141399U CN 201531283 U CN201531283 U CN 201531283U
- Authority
- CN
- China
- Prior art keywords
- cap body
- bearing cap
- bearing
- cylinder cap
- hole
- 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 - Lifetime
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
- F01L2001/0476—Camshaft bearings
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- Valve-Gear Or Valve Arrangements (AREA)
Abstract
The utility model discloses a front bearing cap of an engine camshaft, comprising a bearing cap body, wherein the bearing cap body and the binding surface between the bearing cap body and a cylinder cover below the bearing cap body are provided with an oil tank and two semicircular concave surfaces, the concave surface and the concave surface arranged on the cylinder cover are combined to form a camshaft bearing bore, the concave surfaces are communicated with the oil tank which is communicated with an oil outlet of the cylinder cover, and the bearing cap body is provided with a fastening device which leads the bearing cap body to be bound with the cylinder cover. The bearing cap body and the binding surface between the bearing cap body and the cylinder cover below the bearing cap body are provided with the oil tank and the two semicircular concave surfaces, and the concave surface and the concave surface arranged on the cylinder cover can form the camshaft bearing bore, thus leading the assembly of the bearing cap and the cylinder cover to be more fast, and saving the time for installing an independent bearing cap independently at each bearing journal. Furthermore, the concave surfaces are communicated with the oil tank, and the oil tank is communicated with the oil outlet of the cylinder cover, therefore, the lubricating oil can be conveyed to the camshaft bearing bore by arranging one oil outlet on the cylinder cover.
Description
[technical field]
The utility model relates to technical field of engines, particularly a kind of engine cam front bearing retainer.
[background technique]
Engine cam generally adopts overhead type twin cam shaft structure in the prior art, and two camshafts promptly are set on cylinder cap, and one is used to drive intake valve, and another root is used to drive exhaust valve.The means of fixation of engine cam on cylinder cap adopts distributing mostly, just all use independently camshaft-bearing cap at each axle journal place, and realize to the cylinder cap fixing by bolts assemblies, this shortcoming of deciding mode is and need opens an oil supply hole at the cylinder cap position of each axle journal correspondence, the structure of the cylinder cap that makes and processing technology are too complicated, and the processing cost of the cylinder cap that also makes is too high.
[model utility content]
The technical problems to be solved in the utility model provides a kind of engine cam front bearing retainer, when itself and cylinder cap are assembled together, only need open an oil outlet on the cylinder cap and just lubricant oil can be delivered in the camshaft bearing hole.
The technological scheme that the existing technical problem that solves the utility model adopts is: a kind of engine cam front bearing retainer is provided, comprise the bearing cap body,: the face that described bearing cap body and the cylinder cap below it fit is provided with oil groove and two semicircle concave surfaces, the concave surface that is provided with on described concave surface and the described cylinder cap is combined to form the camshaft bearing hole, described concave surface is communicated with described oil groove, described oil groove is connected with the oil outlet of this cylinder cap, and described bearing cap body is provided with the fastening device that keeps itself and described cylinder cap to fit.
The utility model further improves, and described fastening device is the hole that is provided with on the described bearing cap body, and the bolt hole position on the position in described hole and the described cylinder cap is corresponding.
The utility model further improves, and corresponding position, described hole is connected with the hollow locating stud that can supply bolt to pass; Described bearing cap body and the described cylinder cap time-out of fitting, described hollow locating stud embeds in the bolt hole of described cylinder cap.
The utility model further improves, and described hollow locating stud is positioned at described hole, and from then on stretches out in the hole; Described hollow locating stud and described hole are interference fit.
The utility model further improves, and described concave inner is provided with groove, and described oil groove is between two concave surfaces, and described two grooves are communicated with by oil groove.
The utility model further improves, and described bearing cap body end is provided with draws oil groove, and described oil groove one end that draws is connected with described cylinder cap oil outlet, and the other end is connected with described groove.
The utility model further improves, and described bearing cap body is provided with the breach that alleviates sole mass.
Compared to prior art, the beneficial effects of the utility model are: because the face that bearing cap body and the cylinder cap below it fit is provided with oil groove and two semicircle concave surfaces, so should the semicircle concave surface and described cylinder cap on the concave surface that is provided with just can form the camshaft bearing hole, engine cam front bearing retainer that makes and cylinder cap assembling are faster, have promptly saved and for each axle journal place have been installed the independently time of camshaft-bearing cap separately.And concave surface is communicated with oil groove, and oil groove is connected with the oil outlet of cylinder cap, just lubricant oil can be delivered to place, two camshaft bearing holes so only need open an oil outlet on cylinder cap.
[description of drawings]
Fig. 1 is the structural representation of the utility model engine cam front bearing retainer.
Fig. 2 is the utility model engine cam front bearing retainer bottom surface structural representation.
Fig. 3 is that lubricant oil flows to schematic representation in the camshaft front bearing retainer.
Fig. 4 is the assembly structure schematic representation of the utility model engine cam front bearing retainer and cylinder cap.
[embodiment]
As shown in Figures 1 to 4, this engine cam front bearing retainer, comprise bearing cap body 1, the face that the cylinder cap 8 of described bearing cap body 1 below it fits is provided with oil groove 5 and two semicircle concave surfaces 2, the concave surface that is provided with on described concave surface 2 and the described cylinder cap 8 is combined to form two camshaft bearing holes, described concave surface 2 is communicated with described oil groove 5, and described oil groove 5 is connected with the oil outlet 7 of this cylinder cap 8, and described bearing cap body 1 is provided with the fastening device that keeps itself and described cylinder cap 8 to fit.
This fastening device is the several holes 3 that is provided with on the bearing cap body 1, and the bolt hole position on the position in this hole 3 and this cylinder cap 8 is corresponding; In the time will being installed to bearing cap body 1 on the cylinder cap 8, only need the several holes on the bearing cap body 13 is alignd with the respective bolt holes on the cylinder cap 8, the bolt hole that then bolt is passed on these hole 3 screw-in cylinder caps 8 gets final product.Certainly, this fastening device also can be the positioning ring that is provided with respectively on bearing cap body 1 and cylinder cap 8; In the time will being installed to bearing cap body 1 on the cylinder cap 8, only chain need being passed the positioning ring on bearing cap body 1 and the cylinder cap 8, and then chain locking is got final product.
3 corresponding positions are connected with the hollow locating stud 6 that can supply bolt to pass in the hole, and this hollow locating stud 6 is positioned at this hole 3, and from then on stretches out in the hole 3, and described hollow locating stud 6 is an interference fit with described hole 3; When bearing cap body 1 was installed on the cylinder body 8, in the bolt hole that hollow locating detent 6 embeds on the cylinder cap 8, and bolt hole was a transition fit therewith.The quantity of this hollow locating stud 6 can be one, also can be a plurality ofly, but its total number is not more than the total quantity in hole 3.Because hollow locating stud 6 is positioned at hole 3, so just need not the extra again positioning hole that holds this hollow locating stud 6 that is provided with on cylinder cap 8, bolt hole on the cylinder cap 8 function of this positioning hole of just can holding concurrently, so both saved the time of on cylinder cap 8, driving positioning hole in addition, the assembling that also makes simultaneously is very simple, and hollow locating stud 6 adopts hollow structure, avoided solid locating stud to need the problem of perforate on bearing cap body 1, make this bearing cap body 1 more compact structure, volume littler relatively, and make the location more accurate.
This concave surface 2 is two and is semi-circular shape, lays respectively at bearing cap body 1 two ends; These concave surface 2 internal surfaces are provided with groove, and this oil groove 5 is between this two concave surface 2, and this two groove is communicated with by oil groove 5.Bearing cap body 1 end is provided with draws oil groove, and described oil groove one end that draws is connected with the oil outlet 7 of described cylinder cap 8, and the other end is connected with described groove.Corresponding concave surface forms two complete camshaft bearing holes on this concave surface 2 and the cylinder cap 8, lubricant oil flows out from the oil outlet 7 on the cylinder cap 8, then successively through groove, the oil groove 5 that draws oil groove, bearing cap body 1 one end concave surfaces 2 internal surfaces, the groove of bearing cap body 1 the other end concave surface 2 internal surfaces, thereby finished lubricated to each camshaft bearing journal.Can certainly directly oil outlet 7 be communicated with oil groove 5, lubricant oil flows in the oil groove 5 earlier, and then flows into respectively in the groove of two concave surface 2 internal surfaces.Adopt such structure, only need that an oil outlet 7 is set and get final product on cylinder cap 8, avoided former technology to need to be provided with the problem of a plurality of oil outlets on cylinder cap 8, the design of the cylinder cap 8 that makes is simpler.
Bearing cap body 1 is provided with the breach 4 that alleviates sole mass, and this breach 4 has alleviated the quality of bearing cap body 1, and has reduced manufacturing cost.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (7)
1. engine cam front bearing retainer, comprise the bearing cap body, it is characterized in that: the face that described bearing cap body and the cylinder cap below it fit is provided with oil groove and two semicircle concave surfaces, the concave surface that is provided with on described concave surface and the described cylinder cap is combined to form the camshaft bearing hole, described concave surface is communicated with described oil groove, described oil groove is connected with the oil outlet of this cylinder cap, and described bearing cap body is provided with the fastening device that keeps itself and described cylinder cap to fit.
2. engine cam front bearing retainer according to claim 1 is characterized in that: described fastening device is the hole that is provided with on the described bearing cap body, and the bolt hole position on the position in described hole and the described cylinder cap is corresponding.
3. engine cam front bearing retainer according to claim 2 is characterized in that: corresponding position, described hole is connected with the hollow locating stud that can supply bolt to pass; Described bearing cap body and the described cylinder cap time-out of fitting, described hollow locating stud embeds in the bolt hole of described cylinder cap.
4. engine cam front bearing retainer according to claim 3 is characterized in that: described hollow locating stud is positioned at described hole, and from then on stretches out in the hole; Described hollow locating stud and described hole are interference fit.
5. engine cam front bearing retainer according to claim 4 is characterized in that: described concave inner is provided with groove, and described oil groove is between two concave surfaces, and described two grooves are communicated with by oil groove.
6. engine cam front bearing retainer according to claim 5 is characterized in that: described bearing cap body end is provided with draws oil groove, and described oil groove one end that draws is connected with described cylinder cap oil outlet, and the other end is connected with described groove.
7. according to each described engine cam front bearing retainer of claim 1 to 6, it is characterized in that: described bearing cap body is provided with the breach that alleviates sole mass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920141399XU CN201531283U (en) | 2009-09-29 | 2009-09-29 | Front bearing cap of engine camshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920141399XU CN201531283U (en) | 2009-09-29 | 2009-09-29 | Front bearing cap of engine camshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201531283U true CN201531283U (en) | 2010-07-21 |
Family
ID=42526687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920141399XU Expired - Lifetime CN201531283U (en) | 2009-09-29 | 2009-09-29 | Front bearing cap of engine camshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201531283U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102373978A (en) * | 2011-10-31 | 2012-03-14 | 重庆长安汽车股份有限公司 | Camshaft seat and camshaft cover matching structure of engine |
| CN103114886A (en) * | 2013-01-30 | 2013-05-22 | 奇瑞汽车股份有限公司 | Cam shaft bearing cover oil circuit structure |
| CN103373194A (en) * | 2012-04-24 | 2013-10-30 | 安徽华菱汽车有限公司 | Automobile and engine thereof |
| CN105351032A (en) * | 2015-11-18 | 2016-02-24 | 重庆小康工业集团股份有限公司 | Lubricating system for cam shaft |
-
2009
- 2009-09-29 CN CN200920141399XU patent/CN201531283U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102373978A (en) * | 2011-10-31 | 2012-03-14 | 重庆长安汽车股份有限公司 | Camshaft seat and camshaft cover matching structure of engine |
| CN103373194A (en) * | 2012-04-24 | 2013-10-30 | 安徽华菱汽车有限公司 | Automobile and engine thereof |
| CN103114886A (en) * | 2013-01-30 | 2013-05-22 | 奇瑞汽车股份有限公司 | Cam shaft bearing cover oil circuit structure |
| CN103114886B (en) * | 2013-01-30 | 2015-07-15 | 奇瑞汽车股份有限公司 | Cam shaft bearing cover oil circuit structure |
| CN105351032A (en) * | 2015-11-18 | 2016-02-24 | 重庆小康工业集团股份有限公司 | Lubricating system for cam shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100721 |
|
| CX01 | Expiry of patent term |