CN217401577U - Automobile engine crankshaft damping belt pulley assembly - Google Patents
Automobile engine crankshaft damping belt pulley assembly Download PDFInfo
- Publication number
- CN217401577U CN217401577U CN202221466740.0U CN202221466740U CN217401577U CN 217401577 U CN217401577 U CN 217401577U CN 202221466740 U CN202221466740 U CN 202221466740U CN 217401577 U CN217401577 U CN 217401577U
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- Prior art keywords
- damping
- ring
- belt pulley
- damping ring
- crankshaft
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- 238000013016 damping Methods 0.000 title claims abstract description 72
- 230000000694 effects Effects 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 6
- 230000035939 shock Effects 0.000 abstract description 9
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of automobile engines, in particular to an automobile engine crankshaft damping belt pulley assembly, which comprises a crankshaft, a flywheel assembly, a damping belt pulley, an oil seal and a timing gear, wherein the damping belt pulley is provided with a movable groove along the circumferential direction towards one side of the crankshaft and at the inner hole of the damping belt pulley, the inner activity of the movable groove is provided with an annular damping ring, the outer circumferential wall of the damping ring is provided with a mounting groove along the circumferential direction, a volute spiral spring is sleeved in the mounting groove, one end of the volute spiral spring is connected with the inner surface of the mounting groove, and the other end of the volute spiral spring is connected with the inner wall of the movable groove; the damping ring is fixedly connected with the front end shaft of the crankshaft through a bolt. The utility model discloses be provided with the damping ring in the inside of shock attenuation belt pulley to elastic connection between damping ring and the shock attenuation belt pulley, fixed connection between the bent axle is gone to the damping ring, therefore the damping ring can play the cushioning effect, has weakened the vibration frequency and the vibration range of shock attenuation belt pulley.
Description
Technical Field
The utility model relates to an automobile engine technical field specifically is an automobile engine bent axle shock attenuation belt pulley assembly.
Background
The crankshaft is the most important component in the engine. The crankshaft receives forces from the connecting rods and converts them into torque that is output by the crankshaft and drives other accessories on the engine. When the engine crankshaft works, two ends of the engine crankshaft are usually a flywheel and a belt pulley, and the flywheel and the belt pulley are respectively fixedly connected with two ends of the crankshaft through connecting pieces. In the process of operation of the engine crankshaft, due to the specific working condition that each cylinder applies work in turn at a certain interval, torsional vibration and rotation speed fluctuation exist in the operation of the engine crankshaft, the phenomenon that the rotation speed of a damping belt wheel connected with an engine shafting is unstable can be caused, so that a belt slips, and the rotation speed of a belt driving accessory is unstable. Therefore, the automobile engine crankshaft damping belt pulley assembly is provided to well solve the defects.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automobile engine bent axle shock attenuation belt pulley assembly for solve the problem that proposes among the above-mentioned background art.
The utility model discloses a can realize through following technical scheme: a damping belt pulley assembly of a crankshaft of an automobile engine comprises a crankshaft, a flywheel assembly, a damping belt pulley, an oil seal and a timing gear, wherein a movable groove is formed in the damping belt pulley, faces one surface of the crankshaft, is positioned in an inner hole of the damping belt pulley, and is circumferentially arranged; the damping ring is fixedly connected with the front end shaft of the crankshaft through a bolt.
Optionally, a compression ring is arranged in the movable groove and on one side, facing the crankshaft, of the damping ring, and the compression ring is fixedly connected with the damping belt pulley.
Optionally, the inside of activity groove and the one side towards the clamping ring evenly are provided with the guide post along circumference, run through on the damping ring set up with the guiding hole of guide post one-to-one, the guide post runs through in the guiding hole.
Optionally, the outside of guide post and the left and right sides that is located the damping ring all overlap and are equipped with and be annular elastic component, the one side of elastic component with the damping ring butt, the another side of elastic component with the inner wall in activity groove or the clamping ring butt.
Optionally, the elastic component is composed of an annular rubber ring and gaskets located on two sides of the rubber ring, and the gaskets are fixedly connected with the rubber ring.
Optionally, the spiral spring further comprises an elastic pad, and the elastic pad is located between two adjacent coils of the spiral spring.
Compared with the prior art, the utility model provides an automobile engine bent axle shock attenuation belt pulley assembly possesses following beneficial effect:
1. the damping belt pulley is internally provided with the damping ring, the damping ring is elastically connected with the damping belt pulley, and the damping ring is fixedly connected with the crankshaft, so that the damping ring can play a role of buffering, and the vibration frequency and the vibration amplitude of the damping belt pulley are weakened;
2. the utility model discloses well damping ring passes through guide post and clamping ring elastic connection in the shock attenuation belt pulley, therefore easy dismounting, and is favorable to the staff to maintain each spare part of shock attenuation belt pulley assembly.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a sectional view of the damping pulley of the present invention;
FIG. 3 is an enlarged corresponding view taken at A in FIG. 2;
fig. 4 is an enlarged corresponding view of B in fig. 2.
In the figure: 1. a crankshaft; 2. a flywheel assembly; 3. a shock absorbing pulley; 301. a movable groove; 302. a damping ring; 303. mounting grooves; 304. a volute spiral spring; 305. pressing a ring; 306. a guide post; 307. a guide hole; 308. an elastic member; 3081. a rubber ring; 3082. a gasket; 309. an elastic pad; 4. oil sealing; 5. a timing gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example (b): referring to fig. 1-4, the automobile engine crankshaft damping pulley assembly includes a crankshaft 1, a flywheel assembly 2, a damping pulley 3, an oil seal 4 and a timing gear 5, the damping pulley 3 faces one side of the crankshaft 1 and is located at an inner hole of the damping pulley 3, a movable groove 301 is circumferentially formed in the inner hole of the movable groove 301, an annular damping ring 302 is movably arranged in the movable groove 301, the damping ring 302 is made of a rigid material such as cast iron, an installation groove 303 is circumferentially formed in the outer circumferential wall of the damping ring 302, a spiral spring 304 is sleeved in the installation groove 303, one end of the spiral spring 304 is connected with the inner surface of the installation groove 303, and the other end of the spiral spring 304 is connected with the inner wall of the movable groove 301; in addition, the present embodiment further includes an elastic pad 309, the elastic pad 309 is located between two adjacent coils of the spiral spring 304, for improving the damping performance of the spiral spring 304; the damper ring 302 is fixedly connected to the front end shaft of the crankshaft 1 by a bolt.
On the basis of the above embodiment, a pressing ring 305 is disposed inside the movable groove 301 and on one side of the damping ring 302 facing the crankshaft 1, as shown in fig. 2, the pressing ring 305 is fixedly connected with the damping pulley 3 through a bolt; the inside of activity groove 301 and towards the one side of clamping ring 305 evenly be provided with guide post 306 along circumference, the length direction of guide post 306 is unanimous with damping belt pulley 3's axis direction, and through welding or spiro union fixed between guide post 306 and the damping belt pulley 3, run through on the damping ring 302 and set up the guiding hole 307 with guide post 306 one-to-one, and guide post 306 runs through in guiding hole 307.
The outer part of the guide post 306 and the left and right sides of the damping ring 302 are sleeved with annular elastic pieces 308, one surface of each elastic piece 308 is abutted against the damping ring 302, and the other surface of each elastic piece 308 is abutted against the inner wall of the movable groove 301 or the pressing ring 305; the elastic member 308 is composed of an annular rubber ring 3081 and gaskets 3082 positioned on two sides of the rubber ring 3081, and the two gaskets 3082 are fixedly connected with the rubber ring 3081, so that when the elastic member 308 is positioned on two sides of the damping ring 302, the elastic member 308 can further improve the damping performance of the damping ring 302.
In summary, the damping pulley 3 and the damping ring 302 in this embodiment are elastically connected, and the damping ring 302 is fixedly connected to the end of the crankshaft 1 through the bolt, so that when the crankshaft vibrates, the damping ring 302 can have a damping performance, and further the vibration frequency and the vibration amplitude of the damping pulley 3 are weakened, and the belt on the damping pulley 3 is prevented from slipping.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Automobile engine crankshaft damping pulley assembly, including bent axle (1), flywheel assembly (2), damping pulley (3), oil blanket (4) and timing gear (5), its characterized in that: the damping belt pulley (3) faces one surface of the crankshaft (1) and is located in an inner hole of the damping belt pulley (3), a movable groove (301) is formed in the circumferential direction, an annular damping ring (302) is movably arranged in the movable groove (301), an installation groove (303) is formed in the circumferential direction of the outer circumferential wall of the damping ring (302), a scroll spring (304) is sleeved in the installation groove (303), one end of the scroll spring (304) is connected with the inner surface of the installation groove (303), and the other end of the scroll spring (304) is connected with the inner wall of the movable groove (301); the damping ring (302) is fixedly connected with a front end shaft of the crankshaft (1) through a bolt.
2. The automotive engine crankshaft damper pulley assembly of claim 1, wherein: the inside of activity groove (301) just is located damping ring (302) and is equipped with clamping ring (305) towards one side of bent axle (1), clamping ring (305) with damping pulley (3) fixed connection.
3. The automotive engine crankshaft damper pulley assembly of claim 2, wherein: the inside of activity groove (301) and the one side towards clamping ring (305) evenly are provided with guide post (306) along circumference, run through on damping ring (302) seted up with guide post (306) one-to-one's guiding hole (307), guide post (306) run through in guide hole (307).
4. The automotive engine crankshaft damper pulley assembly of claim 3, wherein: the outside of guide post (306) and the left and right sides that is located damping ring (302) all overlap and are equipped with and be annular elastic component (308), the one side of elastic component (308) with damping ring (302) butt, the another side of elastic component (308) with the inner wall of activity groove (301) or clamping ring (305) butt.
5. The automotive engine crankshaft damper pulley assembly of claim 4, wherein: the elastic piece (308) is composed of an annular rubber ring (3081) and gaskets (3082) positioned on two sides of the rubber ring (3081), and the two gaskets (3082) are fixedly connected with the rubber ring (3081).
6. The automotive engine crankshaft damper pulley assembly of claim 1, wherein: and the spring coil further comprises an elastic pad (309), wherein the elastic pad (309) is positioned between two adjacent spring coils of the spiral spring (304).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221466740.0U CN217401577U (en) | 2022-06-13 | 2022-06-13 | Automobile engine crankshaft damping belt pulley assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221466740.0U CN217401577U (en) | 2022-06-13 | 2022-06-13 | Automobile engine crankshaft damping belt pulley assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217401577U true CN217401577U (en) | 2022-09-09 |
Family
ID=83148462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221466740.0U Active CN217401577U (en) | 2022-06-13 | 2022-06-13 | Automobile engine crankshaft damping belt pulley assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217401577U (en) |
-
2022
- 2022-06-13 CN CN202221466740.0U patent/CN217401577U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Automobile engine crankshaft damping pulley assembly Effective date of registration: 20231103 Granted publication date: 20220909 Pledgee: Shenyang Science and technology Financing Guarantee Co.,Ltd. Pledgor: Liaoning Tiankai Auto Parts Manufacturing Co.,Ltd. Registration number: Y2023210000271 |