CN204921877U - Timing belt take -up pulley - Google Patents
Timing belt take -up pulley Download PDFInfo
- Publication number
- CN204921877U CN204921877U CN201520578993.0U CN201520578993U CN204921877U CN 204921877 U CN204921877 U CN 204921877U CN 201520578993 U CN201520578993 U CN 201520578993U CN 204921877 U CN204921877 U CN 204921877U
- Authority
- CN
- China
- Prior art keywords
- pivot
- eccentric
- damping
- panels
- timing belt
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to an automobile spare part especially relates to a timing belt take -up pulley, including the belt pulley bearing, belt pulley bearing inner race is equipped with an eccentric seat, be equipped with a cavity in the eccentric seat, eccentric foot stall portion is equipped with an eccentric orfice, be equipped with the pivot in the cavity, the eccentric orfice is passed to pivot one end, be equipped with a step on the pivot, the step inboard is equipped with damping machanism, damping machanism includes two liners, two damping bullet pads, two separation pads and the pre -compaction is flat fills up, the step outside is equipped with the nylon damping ring. The utility model discloses a structure of eccentric seat for its misalignment utilizes the skew of oscillation center position to adjust belt tensioning power in damping machanism's oscillation center, and the tensile force is by tension springs or twist the coil spring decision, thereby can reduce the fluctuation of tensile force, tensile force control at equitable within range, reduction vibration and noise.
Description
Technical field
The utility model relates to a kind of auto parts and components, particularly relates to a kind of Timing Belt Idle wheel.
Background technique
During existing motor car engine actuated by cams, Timing Belt often can, because tension force is unstable, cause it easily to produce vibration & noise in operation process.
Model utility content
The utility model, in order to solve the defect and deficiency that exist in above-mentioned prior art, provides a kind of fluctuation that can reduce tension force, and tension force is controlled in rational scope, reduces the Timing Belt Idle wheel of vibration & noise.
The technical solution of the utility model: a kind of Timing Belt Idle wheel, comprise belt pulley bearing, described belt pulley bearing inner race is provided with an eccentric mounting, a cavity is provided with in described eccentric mounting, an eccentric opening is provided with bottom eccentric mounting, pivot is provided with in described cavity, described pivot one end is through eccentric opening, described pivot is provided with a step, damping mechanism is provided with inside described step, described damping mechanism comprises two panels liner, two panels damping bullet pad, two panels obstruct pad and precompressed plain cushion, is provided with nylon damping ring outside described step.
The utility model adopts the structure of eccentric mounting, its center is made to deviate from the oscillation center of damping mechanism, the skew of oscillation center position is utilized to carry out adjusting tensioning force of belt, tension force is determined by draught spring or canted coil spring, thus the fluctuation of tension force can be reduced, tension force is controlled in rational scope, reduces vibration & noise.
Preferably, be provided with a backbone sealing ring between the opening end of described eccentric mounting and pivot, be provided with a spring fixator outside the opening end of eccentric mounting, described spring fixator is provided with a nylon wearing ring.
The utility model adopts backbone sealing ring to carry out cavity sealing, improves sealing effect; Spring fixator be arranged so that its convenient draught spring or canted coil spring are to the regulation and control of its tension force, nylon wearing ring can reduce its wearing and tearing, increase the service life.
Preferably, described liner is near pivot, and described damping bullet pad is arranged on liner side, and wherein a slice obstruct pad is arranged between two panels liner, and another sheet intercepts pad and is arranged between two panels damping bullet pad, and described precompressed plain cushion is pressed on two panels damping bullet pad.
This kind of damping mechanism is polydisc damper, utilizes the viscous resistance of oil between inside and outside dish to realize damping function, and its inside and outside dish is individually fixed in and swings on lasso and axle, and this oil is a kind of high viscosity silicone oil, and when the temperature is changed, its viscosity B coefficent is less.Between dish, the difference of outer disc thickness and inner disc gasket thickness is depended in gap.The damping capacity of damper depends on gap and oil viscosity between inner disc quantity, dish.
Preferably, be provided with a nylon inner sleeve in described eccentric opening one end, described pivot is located in nylon inner sleeve, is provided with an outside framework oil seal between described eccentric opening another end and pivot.
What this kind of structure made that pivot can be more firm is located in eccentric opening, improves its sealing simultaneously.
Preferably, described pivot exterior edge face is provided with a fixed support.
The utility model adopts the structure of eccentric mounting, its center is made to deviate from the oscillation center of damping mechanism, the skew of oscillation center position is utilized to carry out adjusting tensioning force of belt, tension force is determined by draught spring or canted coil spring, thus the fluctuation of tension force can be reduced, tension force is controlled in rational scope, reduces vibration & noise.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
1. belt pulley bearing, 2. eccentric mounting, 3. outside framework oil seals, 4. nylon inner sleeve, 5. pivot in figure, 6. liner, 7. damping bullet pad, 8. intercept pad, 9. precompressed plain cushion, 10. backbone sealing ring, 11. nylon damping rings, 12. fixed supports, 13. nylon wearing rings, 14. spring fixators.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, but is not the restriction to the utility model protection domain.
As shown in Figure 1, a kind of Timing Belt Idle wheel, comprise belt pulley bearing 1, belt pulley bearing 1 inner ring is provided with an eccentric mounting 2, a cavity is provided with in eccentric mounting 2, be provided with an eccentric opening bottom eccentric mounting, be provided with pivot 5 in cavity, pivot 5 one end is through eccentric opening, pivot 5 is provided with a step, be provided with damping mechanism inside step, damping mechanism comprises two panels liner 6, two panels damping bullet pad 7, two panels obstruct pad 8 and precompressed plain cushion 9, is provided with nylon damping ring 11 outside step.Be provided with a backbone sealing ring 10 between the opening end of eccentric mounting 2 and pivot 5, be provided with a spring fixator 14 outside the opening end of eccentric mounting 2, spring fixator 14 is provided with a nylon wearing ring 13.Liner 6 is near pivot 5, and damping bullet pad 7 is arranged on liner 6 side, and wherein a slice obstruct pad is arranged between two panels liner 6, and another sheet intercepts pad and is arranged between two panels damping bullet pad 7, and precompressed plain cushion 9 is pressed on two panels damping bullet pad 7.Be provided with a nylon inner sleeve 4 in eccentric opening one end, pivot 5 is located in nylon inner sleeve 4, is provided with an outside framework oil seal 3 between eccentric opening another end and pivot 5.Pivot 5 exterior edge face is provided with a fixed support 12.
Belt pulley bearing of the present utility model adopts piece bearing, cuts down finished cost, and adopts precision casting processing eccentric mounting, strengthens eccentric mounting intensity, adopt four shell fragments to build polydisc damping mechanism.
Claims (5)
1. a Timing Belt Idle wheel, comprise belt pulley bearing (1), it is characterized in that: described belt pulley bearing (1) inner ring is provided with an eccentric mounting (2), described eccentric mounting is provided with a cavity in (2), an eccentric opening is provided with bottom eccentric mounting, pivot (5) is provided with in described cavity, described pivot (5) one end is through eccentric opening, described pivot (5) is provided with a step, damping mechanism is provided with inside described step, described damping mechanism comprises two panels liner (6), two panels damping bullet pad (7), two panels intercepts pad (8) and precompressed plain cushion (9), nylon damping ring (11) is provided with outside described step.
2. a kind of Timing Belt Idle wheel according to claim 1, it is characterized in that: between the opening end of described eccentric mounting (2) and pivot (5), be provided with a backbone sealing ring (10), be provided with a spring fixator (14) outside the opening end of eccentric mounting (2), described spring fixator (14) is provided with a nylon wearing ring (13).
3. a kind of Timing Belt Idle wheel according to claim 2, it is characterized in that: described liner (6) is near pivot (5), described damping bullet pad (7) is arranged on liner (6) side, wherein a slice obstruct pad is arranged between two panels liner (6), another sheet intercepts pad and is arranged between two panels damping bullet pad (7), and described precompressed plain cushion (9) is pressed on two panels damping bullet pad (7).
4. a kind of Timing Belt Idle wheel according to claim 3, it is characterized in that: in described eccentric opening one end, be provided with a nylon inner sleeve (4), described pivot (5) is located in nylon inner sleeve (4), is provided with an outside framework oil seal (3) between described eccentric opening another end and pivot (5).
5. a kind of Timing Belt Idle wheel according to claim 4, is characterized in that: described pivot (5) exterior edge face is provided with a fixed support (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520578993.0U CN204921877U (en) | 2015-08-05 | 2015-08-05 | Timing belt take -up pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520578993.0U CN204921877U (en) | 2015-08-05 | 2015-08-05 | Timing belt take -up pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204921877U true CN204921877U (en) | 2015-12-30 |
Family
ID=54971006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520578993.0U Expired - Fee Related CN204921877U (en) | 2015-08-05 | 2015-08-05 | Timing belt take -up pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204921877U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438883A (en) * | 2016-09-29 | 2017-02-22 | 浙江庆源车业部件有限公司 | Timing belt tensioning wheel |
-
2015
- 2015-08-05 CN CN201520578993.0U patent/CN204921877U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438883A (en) * | 2016-09-29 | 2017-02-22 | 浙江庆源车业部件有限公司 | Timing belt tensioning wheel |
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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 |
Granted publication date: 20151230 Termination date: 20180805 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |