CN210715876U - Long-life engine gear train idler assembly - Google Patents
Long-life engine gear train idler assembly Download PDFInfo
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- CN210715876U CN210715876U CN201921567215.6U CN201921567215U CN210715876U CN 210715876 U CN210715876 U CN 210715876U CN 201921567215 U CN201921567215 U CN 201921567215U CN 210715876 U CN210715876 U CN 210715876U
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- bearing
- ring
- inner ring
- guide groove
- sleeved
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- Expired - Fee Related
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- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 33
- 239000010687 lubricating oil Substances 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 10
- 230000002035 prolonged effect Effects 0.000 abstract description 7
- 238000005299 abrasion Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 230000002688 persistence Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 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
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model discloses a long-life engine gear train idler assembly, in particular to the technical field of idlers, which comprises a mounting bolt, wherein an idler component is arranged on the mounting bolt; the idler wheel assembly comprises an inner sleeve ring, a first bearing and a second bearing are sleeved on the inner sleeve ring, the first bearing is arranged on one side of the second bearing, an outer sleeve ring is sleeved on the first bearing, the outer sleeve ring is sleeved on the second bearing, and a first oil guide groove and a second oil guide groove are formed in the inner sleeve ring. The utility model discloses a first bearing and second bearing cooperation make the relatively fixed effect between outer lasso and the inner race better, and overall structure intensity is higher, has increased life, and leads the oil groove through the second and lead-in between first bearing and the second bearing with lubricating oil to fully and effectively for first bearing and second bearing interpolation lubricating oil, thereby further prolonged the utility model discloses a life.
Description
Technical Field
The utility model relates to an idler technical field, more specifically say, the utility model relates to a high life engine train idler assembly.
Background
The main functions of the idler wheel are to change the steering direction of the driven wheel, increase the transmission distance, adjust the pressure angle and the like. The idler wheel is a wheel train part with a transition effect, the transmission relation cannot be changed, the wheel train is stressed more reasonably or the whole transmission system arrangement is met, the idler wheel only changes the steering direction and cannot change the transmission ratio, an engine front end accessory driving system needs to be provided with a plurality of accessories, and the wheel train is often required to be arranged at a position close to a crankshaft belt pulley.
The engine gear train idler assembly in the prior art has the main technical problem that after the idler is used for a long time, the lubricating effect of the idler is not good enough, so that the abrasion during working is increased, and the service life of the idler is greatly shortened.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a high life engine train idler assembly, cooperate through first bearing and second bearing, make the relatively fixed effect between outer lasso and the inner lasso better, overall structure intensity is higher, service life has been increased, and lead the oil groove through setting up the second between first bearing and second bearing, can be with defeated oil pipe, fixed pipe and first oil groove lead in between leading-in first bearing of lubricating oil and the second bearing, thereby fully and effectively for first bearing and second bearing interpolation lubricating oil, make the outer lane, frictional force between inner circle and the ball reduces greatly, this wearing and tearing that just makes first bearing and second bearing during operation reduce, thereby further prolonged the utility model discloses a service life, in order to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a long-life engine gear train idler assembly comprises a mounting bolt, wherein an idler assembly is arranged on the mounting bolt;
the idler subassembly includes the inner race, the inner race has cup jointed first bearing and second bearing, first bearing is located second bearing one side, the outer race has been cup jointed on the first bearing, the outer race cup joints on the second bearing, the inner race has seted up first oil guide groove and second oil guide groove on the ring, oil groove intercommunication is led with the second to first oil guide groove, the second is led the oil groove and is located between first bearing and the second bearing, the inner race top is run through and is equipped with fixed pipe, fixed pipe and first oil guide groove intercommunication, the fixed pipe is kept away from inner race one end and has been cup jointed defeated oil pipe, the outer race both sides all are equipped with dustproof piece, dustproof piece cup joints on the inner race.
In a preferred embodiment, the first and second bearings each comprise an outer race and an inner race.
In a preferred embodiment, the outer ring is provided outside the inner ring.
In a preferred embodiment, the inner side of the outer ring is provided with a plurality of balls, and the balls are arranged between the outer ring and the inner ring.
In a preferred embodiment, the inner side of the outer ring and the outer side of the inner ring are both provided with grooves.
In a preferred embodiment, the groove is internally provided with a leak-proof check ring, and the leak-proof check ring is arranged between the outer ring and the inner ring.
In a preferred embodiment, the inner collar is fitted over the mounting bolt.
In a preferred embodiment, the first bearing and the second bearing are both provided between the inner race and the outer race.
The utility model discloses a technological effect and advantage:
1. through the cooperation of the first bearing and the second bearing, the relative fixing effect between the outer ring and the inner ring is better, the overall structure strength is higher, the service life is prolonged, and the second oil guide groove is arranged between the first bearing and the second bearing, so that the lubricating oil introduced into the oil delivery pipe, the fixed pipe and the first oil guide groove can be guided into the space between the first bearing and the second bearing, the lubricating oil is fully and effectively added into the first bearing and the second bearing, the friction force between the outer ring, the inner ring and the balls is greatly reduced, the abrasion of the first bearing and the second bearing during working is reduced, and the service life of the utility model is further prolonged;
2. through setting up first bearing and second bearing relatively, leak protection retaining ring on first bearing and the second bearing utilizes the recess card between outer lane and inner circle to make lubricating oil can stop longer time in first bearing and second bearing, can not run off very fast, thereby guaranteed lubricating oil and let in after, lubricated effect has high efficiency and persistence, compares with prior art, has the progress that increases lubricated persistence.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1 according to the present invention.
Fig. 3 is a schematic top view of the inner ring according to the present invention.
Fig. 4 is a schematic side view of the inner race of the present invention.
Fig. 5 is a schematic view of the three-dimensional structure of the inner race of the present invention.
The reference signs are: the anti-leakage oil pipe comprises an installation bolt 1, an idler wheel assembly 2, an inner ring 3, a first bearing 4, a second bearing 5, an outer ring 6, a first oil guide groove 7, a second oil guide groove 8, a fixed pipe 9, an oil conveying pipe 10, a dust-proof sheet 11, an outer ring 12, an inner ring 13, balls 14, grooves 15 and a leakage-proof check ring 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.
As shown in the attached fig. 1-5, the idler wheel assembly of the long-life engine gear train comprises a mounting bolt 1, wherein an idler wheel component 2 is arranged on the mounting bolt 1;
the idler wheel assembly 2 comprises an inner ring 3, a first bearing 4 and a second bearing 5 are sleeved on the inner ring 3, the first bearing 4 is arranged on one side of the second bearing 5, an outer ring 6 is sleeved on the first bearing 4, the outer ring 6 is sleeved on the second bearing 5, a first oil guide groove 7 and a second oil guide groove 8 are formed in the inner ring 3, the first oil guide groove 7 is communicated with the second oil guide groove 8, the second oil guide groove 8 is arranged between the first bearing 4 and the second bearing 5, a fixed pipe 9 penetrates through the top of the inner ring 3, the fixed pipe 9 is communicated with the first oil guide groove 7, an oil conveying pipe 10 is sleeved at one end, far away from the inner ring 3, of the fixed pipe 9, dust-proof sheets 11 are arranged on two sides of the outer ring 6, and the dust-proof sheets 11 are sleeved on the inner ring 3;
the first bearing 4 and the second bearing 5 both comprise an outer ring 12 and an inner ring 13;
the outer ring 12 is arranged outside the inner ring 13;
a plurality of balls 14 are arranged on the inner side of the outer ring 12, and the balls 14 are arranged between the outer ring 12 and the inner ring 13;
the inner ring 3 is sleeved on the mounting bolt 1;
the first bearing 4 and the second bearing 5 are both arranged between the inner ferrule 3 and the outer ferrule 6;
the implementation mode is specifically as follows: when the utility model is used, the utility model is installed at a designated position by using the mounting bolt 1, the first bearing 4 and the second bearing 5 are rotated relative to the inner ring 3 by the outer ring 6, after the utility model is used for a period of time, the friction force is increased when the first bearing 4 and the second bearing 5 work to cause larger abrasion because of the lack of the lubricating oil on the first bearing 4 and the second bearing 5, at the moment, the lubricating oil is led into the fixed pipe 9 by the oil pipe 10, the lubricating oil is led into the first oil guiding groove 7 by the fixed pipe 9, then the lubricating oil is led into the gap between the first bearing 4 and the second bearing 5 by the second oil guiding groove 8 arranged between the first bearing 4 and the second bearing 5, thereby the lubricating oil flows into the gap between the outer ring 12 and the inner ring 13 on the first bearing 4 and the second bearing 5, the friction force is greatly reduced when the outer ring 12 and the inner ring 13 are relatively rotated, and then the wearing and tearing of messenger's outer lane 12 and inner circle 13 reduce greatly, have prolonged the utility model discloses a whole life, this embodiment has solved the problem that life that exists is short among the prior art.
The idler wheel assembly of the engine gear train with long service life as shown in the attached figures 1 and 2 further comprises a groove 15, wherein the groove 15 is formed in the inner side of the outer ring 12 and the outer side of the inner ring 13;
and a leakage-proof retainer ring 16 is arranged in the groove 15, and the leakage-proof retainer ring 16 is arranged between the outer ring 12 and the inner ring 13.
The implementation mode is specifically as follows: through setting up first bearing 4 and second bearing 5 relatively, leak protection retaining ring 16 on first bearing 4 and the second bearing 5 utilizes recess 15 card between outer lane 12 and inner circle 13 to make lubricating oil dwell longer time in first bearing 4 and second bearing 5, can not run off very fast, thereby guaranteed lubricating oil after letting in, the lubricated effect has high efficiency and persistence, the problem that the lubricated effect that exists does not persist among the prior art has been solved to this embodiment.
The utility model discloses the theory of operation:
referring to the attached drawings 1-5 of the specification, when the utility model is used, the first bearing 4 and the second bearing 5 are matched, so that the relative fixing effect between the outer ferrule 6 and the inner ferrule 3 is better, the overall structure strength is higher, the service life is prolonged, and the second oil guide groove 8 is arranged between the first bearing 4 and the second bearing 5, so that the lubricating oil introduced from the oil conveying pipe 10, the fixed pipe 9 and the first oil guide groove 7 can be guided between the first bearing 4 and the second bearing 5, the lubricating oil is fully and effectively added to the first bearing 4 and the second bearing 5, the friction force among the outer ring 12, the inner ring 13 and the balls 14 is greatly reduced, the abrasion of the first bearing 4 and the second bearing 5 during working is reduced, and the service life of the utility model is further prolonged;
referring to the description attached drawings 1 and 2, when using the utility model discloses the time, through setting up first bearing 4 and second bearing 5 relatively, leak protection retaining ring 16 on first bearing 4 and the second bearing 5 utilizes recess 15 card between outer lane 12 and inner circle 13 to make lubricating oil can stop longer time in first bearing 4 and second bearing 5, can not run off very fast, thereby guaranteed lubricating oil and let in after, the lubricated effect has high efficiency and persistence.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a high life engine train idler assembly, includes mounting bolt (1), its characterized in that: an idler wheel assembly (2) is arranged on the mounting bolt (1);
the idler wheel component (2) comprises an inner ring (3), a first bearing (4) and a second bearing (5) are sleeved on the inner ring (3), the first bearing (4) is arranged on one side of the second bearing (5), an outer ring (6) is sleeved on the first bearing (4), the outer ring (6) is sleeved on the second bearing (5), a first oil guide groove (7) and a second oil guide groove (8) are formed in the inner ring (3), the first oil guide groove (7) is communicated with the second oil guide groove (8), the second oil guide groove (8) is arranged between the first bearing (4) and the second bearing (5), a fixed pipe (9) is arranged at the top of the inner ring (3) in a penetrating manner, the fixed pipe (9) is communicated with the first oil guide groove (7), an oil conveying pipe (10) is sleeved at one end, away from the inner ring (3), of the fixed pipe (9), both sides of the outer ferrule (6) are provided with dustproof sheets (11), and the dustproof sheets (11) are sleeved on the inner ferrule (3).
2. The idler assembly for a long-life engine train of claim 1, wherein: the first bearing (4) and the second bearing (5) both comprise an outer ring (12) and an inner ring (13).
3. The idler assembly for a long-life engine train of claim 2, wherein: the outer ring (12) is arranged on the outer side of the inner ring (13).
4. The idler assembly for a long-life engine train of claim 2, wherein: the inner side of the outer ring (12) is provided with a plurality of balls (14), and the balls (14) are arranged between the outer ring (12) and the inner ring (13).
5. The idler assembly for a long-life engine train of claim 2, wherein: grooves (15) are formed in the inner side of the outer ring (12) and the outer side of the inner ring (13).
6. The idler assembly for a long-life engine train of claim 5, wherein: and a leakage-proof check ring (16) is arranged in the groove (15), and the leakage-proof check ring (16) is arranged between the outer ring (12) and the inner ring (13).
7. The idler assembly for a long-life engine train of claim 1, wherein: the inner ring (3) is sleeved on the mounting bolt (1).
8. The idler assembly for a long-life engine train of claim 1, wherein: the first bearing (4) and the second bearing (5) are arranged between the inner ring (3) and the outer ring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921567215.6U CN210715876U (en) | 2019-09-20 | 2019-09-20 | Long-life engine gear train idler assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921567215.6U CN210715876U (en) | 2019-09-20 | 2019-09-20 | Long-life engine gear train idler assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210715876U true CN210715876U (en) | 2020-06-09 |
Family
ID=70925225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921567215.6U Expired - Fee Related CN210715876U (en) | 2019-09-20 | 2019-09-20 | Long-life engine gear train idler assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210715876U (en) |
-
2019
- 2019-09-20 CN CN201921567215.6U patent/CN210715876U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200609 |