CN204041719U - The lubricating structure of crankshaft thrust collar - Google Patents
The lubricating structure of crankshaft thrust collar Download PDFInfo
- Publication number
- CN204041719U CN204041719U CN201420547446.1U CN201420547446U CN204041719U CN 204041719 U CN204041719 U CN 204041719U CN 201420547446 U CN201420547446 U CN 201420547446U CN 204041719 U CN204041719 U CN 204041719U
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- China
- Prior art keywords
- thrust
- oil
- thrust plate
- storage tank
- bearing cap
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- Expired - Fee Related
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- Sliding-Contact Bearings (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a kind of lubricating structure of crankshaft thrust collar, body oil storage tank is provided with by body thrust shelves end top position, body oil storage tank both sides hole wall that is downward and bearing saddle bore is through, the under shed of body oil storage tank aims at the exterior edge face of upper thrust plate, and the thrust surface of machine oil to upper thrust plate of body oil storage tank lubricates; The through oil groove of the mistake nail of holding lid with fixed main shaft is provided with by the neutral position, two ends of the bore of main bearing cap, the oil duct be communicated with mistake nail is provided with in the hole wall of the bore of main bearing cap, oil duct is through to main bearing cap thrust surface, the neutral position at lower main axis watt two ends is provided with the fluting aimed at oil groove, the thrust surface of lower thrust plate is provided with thrust plate oil storage tank, thrust plate oil storage tank is communicated with oil duct, and the inside that the lubricant oil in upper main axle bush can enter nail by fluting and oil groove enters lower thrust plate again and lubricates.This structure can ensure the rapid formation of oil film between thrust plate end face and crankshaft end-face, meets lubrication needs.
Description
Technical field
The utility model relates to crankshaft lubrication field, particularly a kind of lubricating structure of crankshaft thrust collar.
Background technique
Crankshaft thrust collar is the moment thrust and prevent the part of bent axle axial float for bearing from clutch, the lubrication of its thrust surface be by crankshaft rotating with splash lubrication oil lubricate.And concerning hybrid electric vehicle, cause crankshaft end-face can be stressed for a long time because needs are separated for a long time, the lubricant oil being now splashed to thrust surface is difficult to arrive surface of contact and form effective oil film, easily causes lack of lubrication between thrust surface and crankshaft end-face, causes crankshaft thrust collar to cross quick-wearing.
The information being disclosed in this background technique part is only intended to increase the understanding to general background of the present utility model, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Model utility content
The purpose of this utility model is the lubricating structure providing a kind of crankshaft thrust collar, the rapid formation of oil film between thrust surface and crankshaft end-face can be ensured, meet lubrication needs between the two under the bad working environments such as frequent start-stop and long-time clutch, extend the working life of crankshaft thrust collar.
For achieving the above object, the utility model provides a kind of lubricating structure of crankshaft thrust collar, this crankshaft thrust collar comprises thrust plate and lower thrust plate, the both sides that upper thrust plate snaps over main axle bush form thrust shoe, the both sides that lower thrust plate snaps over lower main axis watt form lower thrust shoe, upper thrust shoe is fitted in the bearing saddle bore of body, lower thrust shoe is fitted in the bore of main bearing cap, the both sides of the bearing saddle bore of body are body thrust surface, upper thrust plate is fitted on body thrust surface, the bore both sides of main bearing cap are main bearing cap thrust surface, lower thrust plate is fitted on main bearing cap thrust surface, the tip position of body thrust surface has body oil storage tank, body oil storage tank both sides hole wall that is downward and bearing saddle bore is through, the under shed of body oil storage tank aims at the exterior edge face of upper thrust plate, the thrust surface of upper thrust plate is provided with wedge slot, and the machine oil in body oil storage tank is flowed into wedge slot by the exterior edge face of upper thrust plate and then lubricated the thrust surface of upper thrust plate, the neutral position, two ends of the bore of main bearing cap is provided with oil groove, and the mistake nail that oil groove and fixed main shaft hold lid is through, and be provided with the oil duct be communicated with mistake nail in the hole wall of the bore of main bearing cap, oil duct is through to main bearing cap thrust surface, the neutral position at the two ends of lower main axis watt is provided with the fluting aimed at oil groove, and the lubricant oil in upper main axle bush can enter the inside of nail by fluting and oil groove, the thrust surface of lower thrust plate is provided with thrust plate oil storage tank, and thrust plate oil storage tank is communicated with oil duct.
Preferably, oil duct is simultaneously through with the bore inwall of main bearing cap.
Preferably, the oil groove in main bearing cap is square, and the fluting on main axle bush is semicircle.
Preferably, thrust plate oil storage tank is arranged along the circumferential interval of lower thrust plate.
Compared with prior art, the utility model has following beneficial effect: the lubricating structure of this programme snaps on main axle bush by thrust plate, upper thrust plate is by getting from body oil storage tank the lubrication that lubricant oil carries out thrust surface, lower thrust plate is lubricated by the thrust surface lubricant oil at upper main axle bush place being caused lower thrust plate, this structure replaces traditional splash lubrication by pressure lubrication, the formation of oil film between thrust surface and crankshaft end-face can be ensured, meet lubrication needs between the two, add the antiwear property that thrust surface is stressed for a long time, extend thrust plate working life.
Accompanying drawing explanation
Fig. 1 is the cross-sectional schematic of the bearing saddle bore of body in the lubricating structure according to crankshaft thrust collar of the present utility model;
Fig. 2 is the partial sectional view of the bearing saddle bore of body in the lubricating structure according to crankshaft thrust collar of the present utility model, and the position of body oil storage tank is shown;
Fig. 3 is the plan view of upper thrust shoe in the lubricating structure according to crankshaft thrust collar of the present utility model;
Fig. 4 is the plan view of lower thrust shoe in the lubricating structure according to crankshaft thrust collar of the present utility model
Fig. 5 is the left view of lower thrust shoe in the lubricating structure according to crankshaft thrust collar of the present utility model;
Fig. 6 is the structural representation of main bearing cap in the lubricating structure according to crankshaft thrust collar of the present utility model.
Main Reference Numerals illustrates:
1-body, 11-bearing saddle bore, 12-body oil storage tank, the upper thrust plate of 2-, 21-wedge slot, thrust plate under 3-, 31-thrust plate oilhole, 32-thrust plate oil storage tank, 41-slots, 5-main bearing cap, 51-oil groove, and 52,53-oil duct, 54-crosses nail.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model not by the restriction of embodiment.
Clearly represent unless otherwise other, otherwise in whole specification and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or constituent element, and do not get rid of other element or other constituent element.
As shown in Figures 1 to 6, according to the lubricating structure of a kind of crankshaft thrust collar of the utility model embodiment, first structure and the mounting type of this crankshaft thrust collar are described, this crankshaft thrust collar comprises thrust plate 2 and lower thrust plate 3 (see Fig. 3, Fig. 4 and Fig. 5), the both sides that upper thrust plate 2 snaps over main axle bush form thrust shoe 10 (see Fig. 3), the both sides that lower thrust plate 3 snaps over lower main axis watt form lower thrust shoe 20 (see Fig. 4), upper thrust shoe 10 is fitted in the bearing saddle bore 11 of body 1, lower thrust shoe 20 is fitted in the bore interior (see Fig. 6) of main bearing cap 5, the both sides of the bearing saddle bore 11 of body 1 are body thrust surface (unmarked in figure), upper thrust plate 2 is fitted on body thrust surface, the both sides of the bore of main bearing cap 5 are main bearing cap thrust surface (unmarked in figure), lower thrust plate 3 is fitted on main bearing cap thrust surface.
The design of the lubricating structure in the present embodiment is as follows:
The first, the lubrication (thrust surface of thrust plate 2 and the thrust surface of bent axle are fitted) for the thrust surface of upper thrust plate 2:
Body oil storage tank 12 is had at the tip position in body thrust shelves face, body oil storage tank 12 is located at the two ends (see Fig. 1 and Fig. 2) in body thrust shelves face, body oil storage tank 12 both sides hole wall that is downward and bearing saddle bore 11 is through, the under shed of body oil storage tank 12 aims at the exterior edge face of upper thrust plate 2, the thrust surface of upper thrust plate 2 is provided with wedge slot 21, when the engine is running, the body oil storage tank 12 that machine oil in oil sump is splashed to body 1 by crankshaft rotating stores, the machine oil be stored in body oil storage tank 12 flows to the exterior edge face of upper thrust plate 2 by its under shed, further flow to the wedge slot 21 on thrust surface, the lubricant oil entered in wedge slot 21 can carry out motion lubrication to the thrust surface of upper thrust plate 2 and crankshaft thrust face, this is the lubricating system of upper thrust plate 2.
The second, the lubrication (thrust surface of thrust plate 3 and the thrust surface of bent axle are fitted) for the thrust surface of lower thrust plate 3:
Be provided with oil groove 51 (see Fig. 6) in the neutral position, two ends of the bore of main bearing cap 5, the mistake nail 54 that oil groove 51 and fixed main shaft hold lid is through, and the top end crossing nail 54 is sealed by bolt head after bolt tightening.The oil duct 52 be communicated with mistake nail 54 is provided with in the hole wall of the bore of main bearing cap 5, the through main bearing cap thrust surface of oil duct 52, the thrust surface of lower thrust plate 3 has thrust plate oilhole 31 and thrust plate oil storage tank 32, thrust plate oil storage tank 32 is communicated with oil duct 52, as a kind of preferred embodiment, oil duct 52 can be simultaneously through with the inwall of the bore of main bearing cap 5, can lubricate lower main axis watt simultaneously.Particularly, oil duct 52 can design like this, first through with the inwall of the bore of main bearing cap 5 by crossing nail 54, then through hole 53 is vertically set therein, through hole 53 runs through main bearing cap thrust surface, now, vertically with thrust plate oil storage tank 32 arrange thrust plate oilhole 31, thrust plate oilhole 31 and through hole 53 are aimed at.In addition, the neutral position at the two ends of lower main axis watt is provided with the fluting 41 (see Fig. 5) aimed at oil groove 51, when the engine is running, lubricant oil is entered in the bearing saddle bore 11 of body 1 by body oil duct and lubricates upper main axle bush, and the lubricant oil in upper main axle bush can enter the inside of nail 54 by fluting 41 and oil groove 51, and nail 54 is sealed by screw excessively, along with the lubricant oil crossed inside nail 54 constantly increases, when lubricant oil was full of nail 54, the gap that lubricant oil will be flowed into by oil duct 52 between lower main axis watt back and the bottom outlet of main bearing cap 5 under a certain pressure, simultaneously, lubricant oil flows into the thrust plate oil storage tank 32 of lower thrust plate 3 by through hole 53, thus ensure the formation of sea surface oil slick, meet thrust surface and the crankshaft thrust face lubrication needs between the two of lower thrust plate 3.
In such scheme, oil groove 51 is square, and fluting 41 is semicircle, and thrust plate oil storage tank 32 arranges (see Fig. 4) along the circumferential interval of lower thrust plate 3.
In a word, snap on main axle bush by thrust plate in this programme, upper thrust plate is by getting from body oil storage tank 12 lubrication that lubricant oil carries out thrust surface, lower thrust plate is lubricated by the thrust surface lubricant oil at upper main axle bush place being caused lower thrust plate, this structure replaces traditional splash lubrication by pressure lubrication, the formation of oil film between thrust surface and crankshaft end-face can be ensured, meet lubrication needs between the two, add the antiwear property that thrust surface is stressed for a long time, extend thrust plate working life.
The aforementioned description to concrete exemplary of the present utility model is to illustrate and the object of illustration.These descriptions not want the utility model to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present utility model and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present utility model and various different selection and change.Scope of the present utility model is intended to limited by claims and equivalents thereof.
Claims (4)
1. the lubricating structure of a crankshaft thrust collar, it is characterized in that, this crankshaft thrust collar comprises thrust plate and lower thrust plate, the both sides that described upper thrust plate snaps over main axle bush form thrust shoe, the both sides that described lower thrust plate snaps over lower main axis watt form lower thrust shoe, described upper thrust shoe is fitted in the bearing saddle bore of body, described lower thrust shoe is fitted in the bore of main bearing cap, the both sides of the bearing saddle bore of described body are body thrust shelves faces, described upper thrust plate is fitted on described body thrust surface, the bore both sides of described main bearing cap are main bearing cap thrust surface, described lower thrust plate is fitted on described main bearing cap thrust surface,
The tip position in described body thrust shelves face has body oil storage tank, described body oil storage tank is through with the both sides hole wall of described bearing saddle bore downwards, the under shed of described body oil storage tank aims at the exterior edge face of described upper thrust plate, the thrust surface of described upper thrust plate is provided with wedge slot, and the machine oil in described body oil storage tank flows into described wedge slot by the exterior edge face of described upper thrust plate and then lubricates the thrust surface of described upper thrust plate;
The neutral position, two ends of the bore of described main bearing cap is provided with oil groove, described oil groove is through with the mistake nail of fixing described main bearing cap, be provided with in the hole wall of the bore of described main bearing cap and the described oil duct crossed nail and be communicated with, described oil duct is through to described main bearing cap thrust surface;
The neutral position at the two ends of described lower main axis watt is provided with the fluting aimed at described oil groove, and the lubricant oil in described upper main axle bush can enter the described inside crossing nail by described fluting and described oil groove;
The thrust surface of described lower thrust plate is provided with thrust plate oil storage tank, and described thrust plate oil storage tank is communicated with described oil duct.
2. the lubricating structure of crankshaft thrust collar according to claim 1, is characterized in that, described oil duct is simultaneously through with the bore inwall of described main bearing cap.
3. the lubricating structure of crankshaft thrust collar according to claim 1, is characterized in that, the oil groove in described main bearing cap is square, and the fluting on described main axle bush is semicircle.
4. the lubricating structure of crankshaft thrust collar according to claim 1, is characterized in that, described thrust plate oil storage tank is arranged along the circumferential interval of described lower thrust plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420547446.1U CN204041719U (en) | 2014-09-22 | 2014-09-22 | The lubricating structure of crankshaft thrust collar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420547446.1U CN204041719U (en) | 2014-09-22 | 2014-09-22 | The lubricating structure of crankshaft thrust collar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204041719U true CN204041719U (en) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420547446.1U Expired - Fee Related CN204041719U (en) | 2014-09-22 | 2014-09-22 | The lubricating structure of crankshaft thrust collar |
Country Status (1)
| Country | Link |
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| CN (1) | CN204041719U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104343809A (en) * | 2014-09-22 | 2015-02-11 | 广西玉柴机器股份有限公司 | Lubricating structure of crankshaft thrust plate |
-
2014
- 2014-09-22 CN CN201420547446.1U patent/CN204041719U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104343809A (en) * | 2014-09-22 | 2015-02-11 | 广西玉柴机器股份有限公司 | Lubricating structure of crankshaft thrust plate |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20210922 |