CN203547819U - Flywheel assembly of engine crankshaft of automobile - Google Patents
Flywheel assembly of engine crankshaft of automobile Download PDFInfo
- Publication number
- CN203547819U CN203547819U CN201320585400.4U CN201320585400U CN203547819U CN 203547819 U CN203547819 U CN 203547819U CN 201320585400 U CN201320585400 U CN 201320585400U CN 203547819 U CN203547819 U CN 203547819U
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- China
- Prior art keywords
- assembly
- connecting sleeve
- crankshaft
- chain wheel
- endoporus
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- Pulleys (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a flywheel assembly of an engine crankshaft of an automobile. The flywheel assembly of the engine crankshaft of the automobile mainly comprises a crankshaft, a flywheel assembly body, a damping belt pulley assembly, a chain wheel group and a signal panel, wherein a front end shaft, the chain wheel group, a connecting sleeve subassembly, the damping belt pulley assembly, a bolt assembly and a positioning mechanism are arranged at the front end of the crankshaft; the chain wheel group and the connecting sleeve subassembly are sequentially sleeved on the front end shaft; a pillow block is arranged at the tail end of the front end shaft; the chain wheel group is connected with an end surface of the pillow block through the positioning mechanism; a shaft hole with threads is formed in an end surface of the front end shaft; and the chain wheel group, the connecting sleeve subassembly and the damping belt pulley subassembly are connected with the front end shaft to form a whole body through the bolt subassembly. By using the flywheel assembly of the engine crankshaft of the automobile, the problem that the flywheel assembly of the crankshaft is complicated in structure, weak in structural strength and insufficient in torque transmission is solved; the structure of the chain wheel group is optimized; eccentric wear phenomena are reduced; the structure of the front end of the crankshaft is arranged reasonably; and the reliability is improved.
Description
Technical field
The utility model relates to technical field of automobile engine, especially relates to a kind of automobile engine crankshaft fly wheel assembly.
Background technique
Crankshaft-flywheel assembly mainly consists of bent axle, flywheel, damper pulley, signal panel, Combined chain wheel.Its major function is to connect piston rod part, and the to-and-fro motion of piston is changed into rotatablely moving of bent axle, and the moment of torsion of generation exports the power train of automobile to.Flywheel has the function of storage kinetic energy, in order to overcome the resistance of non-working stroke, make crankshaft rotating evenly, motor smooth operation.Combined chain wheel generally includes trunnion shaft sprocket wheel, crankshaft timing sprocket and oil pump sprocket wheel, generally, between sprocket wheel, be split type setting, or trunnion shaft sprocket wheel and crankshaft timing sprocket and oil pump sprocket wheel are split type setting, such split-type structural is difficult to avoid because of the axial overlay error that assembly technology causes, rubbing contact is insufficient, easily causes the torque force of transmission not enough, and sprocket wheel skids, the phenomenon of axial float.
Notification number is CN202867595U, the day for announcing is to disclose a kind of vehicular engine crankshaft front end linkage structure in the patent document on April 10th, 2013, this structure comprises bent axle microcephaly, crankshaft sprocket and damper pulley, also comprise connecting sleeve and fastening piece, crankshaft sprocket and connecting sleeve are set on bent axle microcephaly successively, the wheel hub of described damper pulley is plugged in the inside of connecting sleeve, described crankshaft sprocket, connecting sleeve is connected with bent axle microcephaly interference, described damper pulley is connected with connecting sleeve interference, described damper pulley, connecting sleeve and crankshaft sprocket are fixed into one by fastening piece and bent axle microcephaly.Crankshaft sprocket in this structure is split-type structural, because of the cumulative limit that is difficult in assembly technology avoid, easily causes that sprocket wheel skids, axial float, the hypodynamic phenomenon of driving torque.
Notification number is CN202883680U, and the day for announcing is to disclose a kind of bent axle, crankshaft-flywheel group and motor in the patent document on April 17th, 2013, and this bent axle comprises on its front end shaft portion and is formed with at least one driving wheel.This crankshaft-flywheel group comprises this bent axle and belt pulley, flywheel, and belt pulley is releasably attached on the front end shaft portion of bent axle and is positioned at the outside of described at least one driving wheel, and flywheel is installed on the rear end shaft portion of bent axle.In the structure of this crankshaft-flywheel group, belt pulley is combined with the outside of driving wheel end face, by end-face friction transmitting torque power, this kind of structure is insufficient because of the little contact of rubbing surface, easily causes the problem of transmitting torque deficiency.And driving wheel and bent axle are made of one to foundry goods or the forging of moulding, cause driving wheel not change, when changing the structural design of driving wheel, need to consider that to bent axle, carry out integral body redesigns, cause the waste of design and cost of production, be unfavorable for enhancing productivity.
Model utility content
The purpose of this utility model is that the weak and moment of torsion of the complex structure that solved crankshaft-flywheel assembly, structural strength transmits not enough problem, aim to provide a kind of optimization chain wheel set structure, reduce eccentric wear phenomenon, the structure of reasonable Arrangement crankshaft front end, thereby a kind of automobile engine crankshaft fly wheel assembly of raising reliability.
The utility model is to make by the following technical programs object be achieved.
A kind of automobile engine crankshaft fly wheel assembly, mainly comprise bent axle, fly wheel assembly, damper pulley assembly, chain wheel set and signal panel, crankshaft front end comprises front end axle, chain wheel set, connecting sleeve assembly, damper pulley assembly, bolt assembly and positioning means, chain wheel set and described connecting sleeve assembly are set on front end axle successively, described front end the tip of the axis is provided with pillow block, chain wheel set is connected with the end face of described pillow block by described positioning means, the end face of front end axle is provided with threaded axis hole, chain wheel set, described connecting sleeve assembly is connected and is integral with front end axle by bolt assembly with damper pulley assembly.This novel structure, has good technique assembling and the safety reliability of use.The structure of crankshaft front end is arranged through simplifying, and has effectively reduced axial dimension, has solved the too fat to move problem of arranging in prior art.During practical set, by positioning means auxiliary chain wheels, be positioned on front end axle and with pillow block end face and be adjacent to and be connected.By connecting sleeve assembly, front end axle and damper pulley assembly are axially linked into an integrated entity.By bolt assembly, each parts of crankshaft front end are fastenedly connected and are integral again, form good moment of torsion transmission effect.
As preferably, the described chain wheel set structure that is formed in one, comprise sprocket wheel matrix, trunnion shaft sprocket wheel, crankshaft timing sprocket and oil pump sprocket wheel, sprocket wheel matrix is the cylindrical body of hollow, and trunnion shaft sprocket wheel, crankshaft timing sprocket and oil pump sprocket shaft are to being disposed on successively on the circumferential surface of sprocket wheel matrix.The integrated formed structure of chain wheel set, the eccentric wear phenomenon effectively having reduced between sprocket wheel occurs, and has increased the bulk strength of crank assemblby, has reduced axial dimension, has improved reliability, and easily processing, has reduced assembly technology standard.
As preferably, positioning means comprises positioning key and positioning spline, and positioning key is arranged on the end face of pillow block, and positioning spline is located on the corresponding end face of trunnion shaft sprocket wheel.This structure has good reliability, in the time of auxiliary positioning, has reduced the phenomenon of skidding between chain wheel set and front end axle, and the bulk strength of structure is improved.
As preferably, described connecting sleeve assembly comprises connecting sleeve and O type circle, connecting sleeve is cylindrical sleeve, the longitudinal section of the through hole of connecting sleeve is I-shaped, described through hole comprises single order endoporus, second order endoporus and three rank endoporus successively, the diameter of described single order endoporus and three rank endoporus is greater than the diameter of second order endoporus, and the annular terrace in described through hole is provided with O type circle, and connecting sleeve is connected respectively front end axle and damper pulley assembly by single order endoporus with three rank endoporus.The setting of O type circle, has played the effect of oil resistance.By the setting of single order endoporus, second order endoporus and three rank endoporus, the cover that is effectively connected plays the effect that supporting connects front end axle and damper pulley assembly.
The beneficial effects of the utility model are: the integrated formed structure of chain wheel set, reduced the eccentric wear between sprocket wheel, increased the bulk strength of crank assemblby, reduced axial dimension, make structure become simply, reliable, easily processing, has reduced assembly technology standard.It is more reasonable that the structure that is arranged so that front end of connection external member arranges, and the connection between parts is tightr, more reliable, has increased the area of frictional contact surface, makes the more abundant of moment of torsion transmission.
Accompanying drawing explanation
Fig. 1 is perspective view of the present utility model;
Fig. 2 is the structural representation of crankshaft front end of the present utility model;
Fig. 3 is the longitudinal sectional view of connecting sleeve of the present utility model.
In figure: 1-bent axle, 2-fly wheel assembly, 3-damper pulley assembly, 4-chain wheel set, 5-signal panel, 6-front end axle, 7-positioning spline, 8-bolt assembly, 9-sprocket wheel matrix, 10-trunnion shaft sprocket wheel, 11-crankshaft timing sprocket, 12-oil pump sprocket wheel, 13-positioning key, 14-connecting sleeve, 15-O type circle, 16-single order endoporus, 17-second order endoporus, 18-tri-rank endoporus.
Embodiment
Below by embodiment, also by reference to the accompanying drawings the utility model is described in detail.
Embodiment 1
A kind of automobile engine crankshaft fly wheel assembly of the utility model as shown in Fig. 1 Fig. 2 Fig. 3, mainly comprises bent axle 1, fly wheel assembly 2, damper pulley assembly 3, chain wheel set 4 and signal panel 5.Bent axle 1 front end comprises front end axle 6, described chain wheel set 4, connecting sleeve assembly, described damper pulley assembly 3, bolt assembly 8 and positioning means, described chain wheel set 4 structure that is formed in one, comprise sprocket wheel matrix 9, trunnion shaft sprocket wheel 10, crankshaft timing sprocket 11 and oil pump sprocket wheel 12, the cylindrical body that sprocket wheel matrix 9 is hollow, trunnion shaft sprocket wheel 10, crankshaft timing sprocket 11 and oil pump sprocket wheel 12 are axially disposed on the circumferential surface of sprocket wheel matrix 9 successively.Described connecting sleeve assembly comprises connecting sleeve 14 and O type circle 15, connecting sleeve 14 is cylindrical sleeve, the longitudinal section of the through hole of connecting sleeve 14 is I-shaped, described through hole comprises single order endoporus 16, second order endoporus 17 and three rank endoporus 18 successively, the diameter of described single order endoporus 16 and three rank endoporus 18 is greater than the diameter of second order endoporus 17, and the annular terrace in described through hole is provided with O type circle 15.Described positioning means comprises positioning key 13 and positioning spline 7, and positioning key 13 is arranged on the end face of pillow block of front end axle 6 ends, and positioning spline 7 is located on the corresponding end face of trunnion shaft sprocket wheel 10.Chain wheel set 4 and described connecting sleeve assembly are set on front end axle 6 successively, and chain wheel set 4 fits by match clamping and bottom pillow block end face of positioning key 13 and positioning spline 7.Connecting sleeve 14 is connected respectively front end axle 6 and damper pulley assembly 3 by single order endoporus 16 with three rank endoporus 18.The end face of front end axle 6 is provided with threaded axis hole, and chain wheel set 4, described connecting sleeve assembly are connected and are integral with front end axle 6 by bolt assembly 8 with damper pulley assembly 3.
Novel structure of the present utility model, the structure of crankshaft front end is arranged through simplifying, has been solved the too fat to move problem of arranging in prior art.The integrated formed structure of chain wheel set, the eccentric wear phenomenon effectively having reduced between sprocket wheel occurs, and has increased the bulk strength of crank assemblby, reduced axial dimension, the utility model is easily processed, convenient for assembly, have good technique assembling and the safety reliability of use.The setting of O type circle, has played the effect of oil resistance.By the setting of single order endoporus, second order endoporus and three rank endoporus, the cover that is effectively connected plays the effect that supporting connects front end axle and damper pulley assembly, connection between parts is tightr, increased the area of frictional contact surface, again by bolt assembly by the fastening crimping of each parts, form good moment of torsion transmission effect.
Claims (4)
1. an automobile engine crankshaft fly wheel assembly, mainly comprise bent axle (1), fly wheel assembly (2), damper pulley assembly (3), chain wheel set (4) and signal panel (5), it is characterized in that: bent axle (1) front end comprises front end axle (6), chain wheel set (4), connecting sleeve assembly, damper pulley assembly (3), bolt assembly (8) and positioning means, chain wheel set (4) and described connecting sleeve assembly are set on front end axle (6) successively, the end of described front end axle (6) is provided with pillow block, chain wheel set (4) is connected with the end face of described pillow block by described positioning means, the end face of front end axle (6) is provided with threaded axis hole, chain wheel set (4), described connecting sleeve assembly is connected and is integral with front end axle (6) by bolt assembly (8) with damper pulley assembly (3).
2. automobile engine crankshaft fly wheel assembly according to claim 1, it is characterized in that: described chain wheel set (4) structure that is formed in one, comprise sprocket wheel matrix (9), trunnion shaft sprocket wheel (10), crankshaft timing sprocket (11) and oil pump sprocket wheel (12), the cylindrical body that sprocket wheel matrix (9) is hollow, trunnion shaft sprocket wheel (10), crankshaft timing sprocket (11) and oil pump sprocket wheel (12) are axially disposed on the circumferential surface of sprocket wheel matrix (9) successively.
3. automobile engine crankshaft fly wheel assembly according to claim 2, it is characterized in that: positioning means comprises positioning key (13) and positioning spline (7), positioning key (13) is arranged on the end face of pillow block, and positioning spline (7) is located on the corresponding end face of trunnion shaft sprocket wheel (10).
4. according to the automobile engine crankshaft fly wheel assembly described in claim 1 or 2 or 3, it is characterized in that: described connecting sleeve assembly comprises connecting sleeve (14) and O type circle (15), connecting sleeve (14) is cylindrical sleeve, the longitudinal section of the through hole of connecting sleeve (14) is I-shaped, described through hole comprises single order endoporus (16) successively, second order endoporus (17) and three rank endoporus (18), the diameter of described single order endoporus (16) and three rank endoporus (18) is greater than the diameter of second order endoporus (17), annular terrace in described through hole is provided with O type circle (15), connecting sleeve (14) is connected respectively front end axle (6) and damper pulley assembly (3) by single order endoporus (16) with three rank endoporus (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320585400.4U CN203547819U (en) | 2013-09-23 | 2013-09-23 | Flywheel assembly of engine crankshaft of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320585400.4U CN203547819U (en) | 2013-09-23 | 2013-09-23 | Flywheel assembly of engine crankshaft of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203547819U true CN203547819U (en) | 2014-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320585400.4U Expired - Fee Related CN203547819U (en) | 2013-09-23 | 2013-09-23 | Flywheel assembly of engine crankshaft of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203547819U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712705A (en) * | 2015-03-27 | 2015-06-17 | 安徽江淮汽车股份有限公司 | Crankshaft flywheel assembly of diesel engine |
-
2013
- 2013-09-23 CN CN201320585400.4U patent/CN203547819U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712705A (en) * | 2015-03-27 | 2015-06-17 | 安徽江淮汽车股份有限公司 | Crankshaft flywheel assembly of diesel engine |
| CN104712705B (en) * | 2015-03-27 | 2017-12-22 | 安徽江淮汽车集团股份有限公司 | A kind of crankshaft of diesel engine flywheel assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151231 Address after: 315800 Zhejiang city of Ningbo province Beilun xinqie street Mt. Hengshan Road No. 1528 Patentee after: ZHEJIANG GEELY LUOYOU ENGINE Co.,Ltd. Patentee after: JI'NAN GEELY AUTO PARTS Co.,Ltd. Patentee after: HUNAN LUOYOU ENGINE PARTS Co.,Ltd. Patentee after: NINGBO SHANGZHONGXIA AUTOMATIC TRANSMISSION Co.,Ltd. Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Address before: 310051 Jiangling Road, Hangzhou, Zhejiang, No. 1760, No. Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Patentee before: ZHEJIANG GEELY LUOYOU ENGINE Co.,Ltd. Patentee before: JI'NAN GEELY AUTO PARTS Co.,Ltd. Patentee before: HUNAN LUOYOU ENGINE PARTS Co.,Ltd. Patentee before: SHANDONG JILI TRANSMISSION Co.,Ltd. Patentee before: NINGBO SHANGZHONGXIA AUTOMATIC TRANSMISSION Co.,Ltd. Patentee before: HUNAN JISHENG INTERNATIONAL POWER TRANSMISSION SYSTEM Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 315800 No. 1528 Hengshan Road, Xintao Street, Beilun District, Ningbo City, Zhejiang Province Co-patentee after: JI'NAN GEELY AUTO PARTS Co.,Ltd. Patentee after: ZHEJIANG GEELY POWER ASSEMBLY Co.,Ltd. Co-patentee after: HUNAN LUOYOU ENGINE PARTS Co.,Ltd. Co-patentee after: NINGBO SHANGZHONGXIA AUTOMATIC TRANSMISSION Co.,Ltd. Co-patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Address before: 315800 No. 1528 Hengshan Road, Xintao Street, Beilun District, Ningbo City, Zhejiang Province Co-patentee before: JI'NAN GEELY AUTO PARTS Co.,Ltd. Patentee before: ZHEJIANG GEELY LUOYOU ENGINE Co.,Ltd. Co-patentee before: HUNAN LUOYOU ENGINE PARTS Co.,Ltd. Co-patentee before: NINGBO SHANGZHONGXIA AUTOMATIC TRANSMISSION Co.,Ltd. Co-patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200615 Address after: 315800 Zhejiang city of Ningbo province Beilun xinqie street Mt. Hengshan Road No. 1528 Co-patentee after: HUNAN LUOYOU ENGINE PARTS Co.,Ltd. Patentee after: ZHEJIANG GEELY POWER ASSEMBLY Co.,Ltd. Co-patentee after: NINGBO SHANGZHONGXIA AUTOMATIC TRANSMISSION Co.,Ltd. Co-patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Address before: 315800 Zhejiang city of Ningbo province Beilun xinqie street Mt. Hengshan Road No. 1528 Co-patentee before: JI'NAN GEELY AUTO PARTS Co.,Ltd. Patentee before: ZHEJIANG GEELY POWER ASSEMBLY Co.,Ltd. Co-patentee before: HUNAN LUOYOU ENGINE PARTS Co.,Ltd. Co-patentee before: NINGBO SHANGZHONGXIA AUTOMATIC TRANSMISSION Co.,Ltd. Co-patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20210923 |
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| CF01 | Termination of patent right due to non-payment of annual fee |