CN204592039U - The oil pressure coupling of crankshaft front end - Google Patents
The oil pressure coupling of crankshaft front end Download PDFInfo
- Publication number
- CN204592039U CN204592039U CN201520303710.1U CN201520303710U CN204592039U CN 204592039 U CN204592039 U CN 204592039U CN 201520303710 U CN201520303710 U CN 201520303710U CN 204592039 U CN204592039 U CN 204592039U
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- oil pressure
- hole
- coupling
- crankshaft
- crankshaft front
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Abstract
The utility model discloses a kind of oil pressure coupling of crankshaft front end.This oil pressure coupling comprises: coupling body, and it is pipe box shape, and has central crankshaft hole, and this central crankshaft hole is cone shape hole, and the inner circumferential of described cone shape hole offers the oil pressure oil groove with bent axle taper connection; One end of this coupling body is along having radial flange; Vibration damper construction bolt hole, its card circumference along described radial flange is evenly offered; And belt pulley construction bolt hole, its circumference along the end face of the other end of described coupling body is evenly offered.The oil pressure coupling of this crankshaft front end, by oil pressure mode and bent axle taper connection, makes crankshaft front end transmitting torque large, drives the power of annex large, drives annex reliable.
Description
Technical field
The utility model relates to power output structure of engine field, particularly a kind of oil pressure coupling of crankshaft front end.
Background technique
In the middle of existing diesel engine, owing to day by day to increase at motor cost pressure and under complete machine arrangement space deflation condition, diesel engine needs to design more compact structure.Oil pressure coupling in the oil pressure coupling of engine crankshaft front end is generally connected with bent axle interference.
In the arrangement of the oil pressure coupling of this engine crankshaft front end, oil pressure coupling is connected the diameter needing to strengthen crankshaft rear end in order to transmit enough large moment of torsion with bent axle interference, can affect the general arrangement of engine rear end like this.
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 oil pressure coupling providing a kind of simple and reasonable crankshaft front end, the oil pressure coupling of this crankshaft front end is by oil pressure mode and bent axle taper connection, make crankshaft front end transmitting torque large, drive the power of annex large, drive annex reliable.
For achieving the above object, the utility model provides a kind of oil pressure coupling of crankshaft front end, comprising: coupling body, it is pipe box shape, and there is central crankshaft hole, this central crankshaft hole is cone shape hole, and the inner circumferential of described cone shape hole offers the oil pressure oil groove carrying out with bent axle being connected; One end of this coupling body is along having radial flange; Vibration damper construction bolt hole, its card circumference along described radial flange is evenly offered; And belt pulley construction bolt hole, its circumference along the end face of the other end of described coupling body is evenly offered.
Preferably, in technique scheme, oil pressure oil groove is spirality.
Preferably, in technique scheme, vibration damper construction bolt hole is eight.
Preferably, in technique scheme, the seamed edge rounding of oil pressure oil groove.
Preferably, in technique scheme, belt pulley construction bolt hole is eight.
Compared with prior art, the utility model has following beneficial effect: the oil pressure coupling of this crankshaft front end, by oil pressure mode and bent axle taper connection, makes crankshaft front end transmitting torque large, drives the power of annex large, drives annex reliable.
Accompanying drawing explanation
Fig. 1 is the perspective view of the oil pressure coupling of crankshaft front end of the present utility model.
Fig. 2 is the main TV structure schematic diagram of the oil pressure coupling of crankshaft front end of the present utility model.
Fig. 3 is the sectional structure schematic diagram in the A-A direction of Fig. 2.
Fig. 4 is the helical oil groove first seamed edge structural representation of the oil pressure coupling of crankshaft front end of the present utility model.
Fig. 5 is the helical oil groove second seamed edge structural representation of the oil pressure coupling of crankshaft front end of the present utility model.
Fig. 6 is the assembly structure schematic diagram of the oil pressure coupling of crankshaft front end of the present utility model.
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 Figure 1 to Figure 3, according to specifically comprising of the oil pressure coupling of the crankshaft front end of the utility model embodiment: coupling body 4 and be opened in central crankshaft hole on this coupling body 4, vibration damper construction bolt hole 41 and belt pulley construction bolt hole 42, this central crankshaft hole is cone shape hole, and offer helical oil groove in the inner circumferential of this cone shape hole, make the oil pressure coupling of this crankshaft front end can by oil pressure mode and bent axle taper connection, make crankshaft front end transmitting torque large, drive the power of annex large, drive annex reliable.
Specifically, as shown in Figure 1, coupling body 4 is pipe box shape, and there is central crankshaft hole, this central crankshaft hole is cone shape hole, and the inner circumferential of this cone shape hole offers helical oil groove, make this oil pressure coupling can by oil pressure mode and bent axle taper connection, this assembly structure transmitting torque is large, drives the power of annex large, drives annex reliable.The contact rate of the conical surface of this central crankshaft hole coordinated with bent axle is not less than 75%-80%, and contact evenly.As shown in Figure 4 and Figure 5, the seamed edge rounding of this helical oil groove, make this oil pressure coupling can by oil pressure mode and bent axle taper connection time, the high pressure oil in helical oil groove can smooth and easyly be discharged.
One end of coupling body 4 is along having radial flange, and the card of this radial flange circumferentially evenly offers multiple vibration damper construction bolt hole 41, and preferably, vibration damper construction bolt hole 41 is eight; The end face of the other end of coupling body 4 circumferentially evenly offers multiple belt pulley construction bolt hole 42, and preferably, belt pulley construction bolt hole 42 is eight; Silicon oil damper component 5 is arranged in the vibration damper construction bolt hole 41 of oil pressure coupling outer circumferential side by shock absorber bolt 7 and the first pad 6, links with oil pressure coupling.
As shown in Figure 6, the middle part of crank pulley 8 is connected with crank shaft bolt through pressing plate 11 by central clamping bolt 12, and crank pulley 8 circumferentially evenly offers multiple circumferential fastening bolt holes 81, and preferably, circumferential fastening bolt holes 81 is eight; All sides of crank pulley 8 are connected with the belt pulley construction bolt hole 42 of oil pressure coupling by circumferential clamping bolt 10 and the second pad 9, make crank pulley pass through central clamping bolt to be simultaneously connected with circumferential clamping bolt, make rear end transmitting torque large, drive the power of annex large, drive annex reliable.
During assembling, crankshaft timing gear 1 is set with bent axle adaptation, and is abutted from right side by packing ring 2 and cushion block 3.The central crankshaft hole of oil pressure coupling is cone shape hole, and offers helical oil groove in the inner circumferential of this cone shape hole, by oil pressure mode and bent axle taper connection.Silicon oil damper component 5 is arranged in the vibration damper construction bolt hole 41 of oil pressure coupling outer circumferential side by shock absorber bolt 7 and the first pad 6, links with oil pressure coupling.The middle part of crank pulley 8 is connected with crank shaft bolt through pressing plate 11 by central clamping bolt 12, be connected with the belt pulley construction bolt hole 42 of oil pressure coupling by circumferential clamping bolt 10 and the second pad 9, make crank pulley pass through central clamping bolt to be simultaneously connected with circumferential clamping bolt, make rear end transmitting torque large.
To sum up, the oil pressure coupling of this crankshaft front end, by oil pressure mode and bent axle taper connection, makes crankshaft front end transmitting torque large, drives the power of annex large, drives annex reliable.
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 (5)
1. an oil pressure coupling for crankshaft front end, is characterized in that, comprising:
Coupling body, it is pipe box shape, and has central crankshaft hole, and this central crankshaft hole is cone shape hole, and the inner circumferential of described cone shape hole offers the oil pressure oil groove be connected with bent axle; One end of this coupling body is along having radial flange;
Vibration damper construction bolt hole, its card circumference along described radial flange is evenly offered; And
Belt pulley construction bolt hole, its circumference along the end face of the other end of described coupling body is evenly offered.
2. the oil pressure coupling of crankshaft front end according to claim 1, is characterized in that, described oil pressure oil groove is spirality.
3. the oil pressure coupling of crankshaft front end according to claim 1, is characterized in that, described vibration damper construction bolt hole is eight.
4. the oil pressure coupling of crankshaft front end according to claim 1, is characterized in that, the seamed edge rounding of described oil pressure oil groove.
5. the oil pressure coupling of crankshaft front end according to claim 4, is characterized in that, described belt pulley construction bolt hole is eight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520303710.1U CN204592039U (en) | 2015-05-12 | 2015-05-12 | The oil pressure coupling of crankshaft front end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520303710.1U CN204592039U (en) | 2015-05-12 | 2015-05-12 | The oil pressure coupling of crankshaft front end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204592039U true CN204592039U (en) | 2015-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520303710.1U Active CN204592039U (en) | 2015-05-12 | 2015-05-12 | The oil pressure coupling of crankshaft front end |
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| CN (1) | CN204592039U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104832551A (en) * | 2015-05-12 | 2015-08-12 | 广西玉柴机器股份有限公司 | Oil pressure connector of front end of crankshaft |
-
2015
- 2015-05-12 CN CN201520303710.1U patent/CN204592039U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104832551A (en) * | 2015-05-12 | 2015-08-12 | 广西玉柴机器股份有限公司 | Oil pressure connector of front end of crankshaft |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230118 Address after: No.88 Tianqiao West Road, Yulin City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi Yuchai Ship Electric Power Co.,Ltd. Address before: 537005 No. 88 flyover West Road, the Guangxi Zhuang Autonomous Region, Yulin Patentee before: Guangxi Yuchai Machinery Co.,Ltd. |