CN219774740U - Damping belt pulley for crankshaft - Google Patents
Damping belt pulley for crankshaft Download PDFInfo
- Publication number
- CN219774740U CN219774740U CN202321226011.2U CN202321226011U CN219774740U CN 219774740 U CN219774740 U CN 219774740U CN 202321226011 U CN202321226011 U CN 202321226011U CN 219774740 U CN219774740 U CN 219774740U
- Authority
- CN
- China
- Prior art keywords
- cover
- sleeve
- crankshaft
- supporting cover
- belt pulley
- 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.)
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Links
- 238000013016 damping Methods 0.000 title abstract description 22
- 238000005452 bending Methods 0.000 claims abstract description 8
- 238000012856 packing Methods 0.000 claims 1
- 230000035939 shock Effects 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 abstract description 10
- 230000005489 elastic deformation Effects 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model provides a crankshaft damping belt pulley, which comprises an upper supporting cover, wherein a lower supporting cover is arranged on one side of the upper supporting cover, an oil-containing bearing is fixedly connected to the outer side wall of the lower supporting cover, an outer sleeve is fixedly connected to the outer ring of the oil-containing bearing, an inner supporting sleeve is arranged on one side, away from the upper supporting cover, of the lower supporting cover, bending parts are arranged on two sides of the inner supporting sleeve, and rubber rings are sleeved on the bending parts of the inner supporting sleeve. The damping belt pulley adopts the structure of the rubber ring and the inertia wheel, when the crankshaft moves, the inertia wheel can rotate along with the crankshaft to generate certain centrifugal force, the inertia wheel and the rubber ring can generate relative displacement through the centrifugal force, the elasticity of the rubber ring can slow down the displacement and convert the displacement into elastic deformation and energy consumption, and the rubber ring and the inertia wheel can further effectively absorb and slow down the vibration and the vibration of the crankshaft, so that the noise and the vibration of a machine are reduced.
Description
Technical Field
The utility model relates to the technical field of belt pulleys, in particular to a crankshaft damping belt pulley.
Background
The crankshaft damping belt pulley is mainly applied to various engines of automobiles, engineering machinery, agricultural machinery and the like, and is used for transmitting power of a crankshaft and reducing vibration and impact force generated by power transmission;
when the engine runs, the crankshaft rotates to drive the belt pulley and the belt to run, and vibration can be generated on the belt pulley due to instability of the motion of the crankshaft and inertia force during running, and the vibration and vibration can be transmitted to other parts through the belt, so that the running of the machine is unstable and noise is increased;
for this purpose, a crankshaft damper pulley is proposed.
Disclosure of Invention
In view of the foregoing, the present utility model provides a damping pulley for crankshafts, which solves or alleviates the technical problems of the prior art, and at least provides a beneficial choice.
The technical scheme of the utility model is realized as follows: a damping pulley for a crankshaft comprises
The device comprises an upper supporting cover, wherein a lower supporting cover is arranged on one side of the upper supporting cover, an oil-containing bearing is fixedly connected to the outer side wall of the lower supporting cover, an outer sleeve is fixedly connected to the outer ring of the oil-containing bearing, an inner supporting sleeve is arranged on one side, far away from the upper supporting cover, of the lower supporting cover, two sides of the inner supporting sleeve are provided with bending parts, a rubber ring is sleeved on the bending parts of the inner supporting sleeve, an inertia wheel is arranged on the outer side wall of the rubber ring, and an antifriction gasket is arranged between the inertia wheel and the outer sleeve;
further preferably, the upper support cover and the lower support cover are both provided in a curved shape.
Further preferably, the middle parts of the upper support cover, the inner support sleeve and the lower support cover are fixedly connected with three fastening rivets in a circumference manner, the whole damping belt pulley is fixed through the three fastening rivets in the circumference manner through the middle parts of the upper support cover, the inner support sleeve and the lower support cover, the stability and the safety of the damping belt pulley are ensured, and the load and the movement force from the belt pulley can be jointly borne through a circumference connection mode;
further preferably, three mounting holes which are distributed at equal intervals are formed in one side of the upper support cover, one side of the inner support sleeve and one side of the lower support cover and are positioned on the inner side of the fastening rivet, and the damping belt pulley can be firmly mounted on the engine through the mounting holes and can be connected with bolts or other fixing pieces on the engine.
Further preferably, the outer side wall of the outer sleeve is provided with V-shaped grooves which are arranged in parallel, the positions of the belt moving on the damping belt pulley are fixed through the V-shaped grooves, the belt is effectively prevented from sliding or shifting in the moving process, and the friction force between the belt and the damping belt pulley can be increased, so that the transmission efficiency is improved.
Further preferably, the weight reducing holes are formed in one sides of the upper support cover, the inner support sleeve and the lower support cover and in the same side of the fastening rivet, and the weight and inertia of the damping belt pulley are reduced through the weight reducing holes, so that vibration and noise are reduced.
By adopting the technical scheme, the embodiment of the utility model has the following advantages:
the damping belt pulley adopts the structure of the rubber ring and the inertia wheel, when the crankshaft moves, the inertia wheel can rotate along with the crankshaft to generate certain centrifugal force, the inertia wheel and the rubber ring can generate relative displacement through the centrifugal force, the elasticity of the rubber ring can slow down the displacement and convert the displacement into elastic deformation and energy consumption, and the rubber ring and the inertia wheel can further effectively absorb and slow down the vibration and the vibration of the crankshaft, so that the noise and the vibration of a machine are reduced.
The foregoing summary is for the purpose of the specification only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present utility model will become apparent by reference to the drawings and the following detailed description.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of the present utility model;
FIG. 2 is a cross-sectional block diagram of the present utility model;
fig. 3 is an enlarged structural view of the region a of fig. 2 according to the present utility model.
Reference numerals: 1. a jacket; 2. an upper support cover; 3. an inertia wheel; 4. an inner support sleeve; 5. a lower support cover; 6. an antifriction washer; 7. an oil-impregnated bearing; 8. a rubber ring; 9. fastening a rivet; 10. a mounting hole; 11. a V-shaped groove; 12. and a lightening hole.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
As shown in FIGS. 1-3, an embodiment of the present utility model provides a crankshaft damper pulley comprising
The belt pulley comprises an upper support cover 2, wherein a lower support cover 5 is arranged on one side of the upper support cover 2, an oil-containing bearing 7 is fixedly connected to the outer side wall of the lower support cover 5, an outer ring of the oil-containing bearing 7 is fixedly connected to an outer sleeve 1, an inner support sleeve 4 is arranged on one side, far away from the upper support cover 2, of the lower support cover 5, two sides of the inner support sleeve 4 are arranged in a bending part, a rubber ring 8 is sleeved on the bending part of the inner support sleeve 4, an inertia wheel 3 is arranged on the outer side wall of the rubber ring 8, an antifriction washer 6 is arranged between the inertia wheel 3 and the outer sleeve 1, the elasticity of the rubber ring 8 can slow down the displacement, and abrasion and friction of the belt pulley can be reduced through the antifriction washer 6 and the oil-containing bearing 7;
in one embodiment, both the upper support cover 2 and the lower support cover 5 are provided in a curved shape.
In one embodiment, the middle parts of the upper support cover 2, the inner support sleeve 4 and the lower support cover 5 are fixedly connected with three fastening rivets 9 in a circumference manner, and the middle parts of the upper support cover 2, the inner support sleeve 4 and the lower support cover 5 are fixedly connected with three fastening rivets 9 in a circumference manner, so that the structure of the whole damping belt pulley is fixed, the stability and the safety of the damping belt pulley are ensured, and the load and the movement force from the belt pulley can be borne together in a circumference connection manner;
in one embodiment, three mounting holes 10 are formed on one side of the upper support cover 2, the inner support sleeve 4 and the lower support cover 5 and located on the inner side of the fastening rivet 9 and are distributed at equal intervals, and the damping belt pulley can be firmly mounted on the engine by being connected with bolts or other fixing pieces on the engine through the mounting holes 10.
In one embodiment, the outer side wall of the outer sleeve 1 is provided with the parallel V-shaped grooves 11, the positions of the belts moving on the damping belt pulley are fixed through the V-shaped grooves 11, sliding or deflection of the belts in the moving process is effectively prevented, friction force is increased, and the V-shaped grooves 11 can be adapted to belts with different widths, so that the damping belt pulley can be suitable for belt transmission systems with different models and specifications, and the damping belt pulley has better universality and adaptability.
In one embodiment, the upper support cover 2, the inner support sleeve 4 and the lower support cover 5 are provided with weight-reducing holes 12 on one side and the same side as the fastening rivets 9, and the weight and inertia of the damper pulley are reduced through the weight-reducing holes 12, thereby reducing vibration and noise.
The utility model works when in work: the damping belt pulley adopts the structure of the rubber ring 8 and the flywheel 3, when the crankshaft moves, the flywheel 3 rotates along with the crankshaft to generate certain centrifugal force, the flywheel 3 and the rubber ring 8 generate relative displacement through the centrifugal force, the elasticity of the rubber ring 8 can slow down the displacement and convert the displacement into elastic deformation and energy consumption, and the rubber ring 8 and the flywheel 3 can effectively absorb and slow down the vibration and the vibration of the crankshaft, thereby reducing the noise and the vibration of a machine, and the abrasion and the friction of the belt pulley can be reduced through the use of the antifriction washer 6 and the oil-containing bearing 7.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that various changes and substitutions are possible within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (6)
1. The utility model provides a bent axle shock attenuation belt pulley which characterized in that: comprising
Go up supporting cover (2), one side of going up supporting cover (2) is equipped with lower supporting cover (5), the lateral wall fixedly connected with oiliness bearing (7) of lower supporting cover (5), the outer lane fixedly connected with overcoat (1) of oiliness bearing (7), lower supporting cover (5) keep away from one side of going up supporting cover (2) is equipped with interior supporting sleeve (4), the both sides of interior supporting sleeve (4) are the bending part setting, the bending part cover of interior supporting sleeve (4) is equipped with rubber circle (8), the lateral wall of rubber circle (8) is provided with flywheel (3), be provided with antifriction packing ring (6) between flywheel (3) and overcoat (1).
2. A crankshaft damper pulley as in claim 1, wherein: the upper supporting cover (2) and the lower supporting cover (5) are both arranged in a curved shape.
3. A crankshaft damper pulley as in claim 1, wherein: the middle parts of the upper support cover (2), the inner support sleeve (4) and the lower support cover (5) are fixedly connected with three fastening rivets (9) in a circumference manner.
4. A crankshaft damper pulley as claimed in claim 3, wherein: three equally distributed mounting holes (10) are formed in one side of the upper support cover (2), one side of the inner support sleeve (4) and one side of the lower support cover (5) and located on the inner side of the fastening rivet (9).
5. A crankshaft damper pulley as in claim 1, wherein: v-shaped grooves (11) are formed in parallel in the outer side wall of the outer sleeve (1).
6. A crankshaft damper pulley as in claim 1, wherein: and weight reducing holes (12) are formed in the same sides of the fastening rivets (9) on one sides of the upper support cover (2), the inner support sleeve (4) and the lower support cover (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321226011.2U CN219774740U (en) | 2023-05-17 | 2023-05-17 | Damping belt pulley for crankshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321226011.2U CN219774740U (en) | 2023-05-17 | 2023-05-17 | Damping belt pulley for crankshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219774740U true CN219774740U (en) | 2023-09-29 |
Family
ID=88134283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321226011.2U Active CN219774740U (en) | 2023-05-17 | 2023-05-17 | Damping belt pulley for crankshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219774740U (en) |
-
2023
- 2023-05-17 CN CN202321226011.2U patent/CN219774740U/en active Active
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| GR01 | Patent grant |