CN210591208U - Take long-term lubricating structure's of bearing clearance cooling wheel hub unit - Google Patents
Take long-term lubricating structure's of bearing clearance cooling wheel hub unit Download PDFInfo
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- CN210591208U CN210591208U CN201921626936.XU CN201921626936U CN210591208U CN 210591208 U CN210591208 U CN 210591208U CN 201921626936 U CN201921626936 U CN 201921626936U CN 210591208 U CN210591208 U CN 210591208U
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Abstract
The utility model discloses a long-term lubricating structure's of tape spool bearing clearance cooling wheel hub unit, including outer lane, inner circle and holder, the outer lane is in on the same axis with the inner circle to the holder sets up the inside in the outer lane, the utility model relates to a vehicle wheel hub unit technical field. This take wheel hub unit of long-term lubricating structure of bearing clearance cooling, inner wall fixedly connected with outer bearing through the outer lane, the inner wall fixedly connected with inner bearing of inner circle, and outer bearing and inner bearing are in same axis, first cooling runner and second cooling runner have been seted up respectively to the both sides of outer lane inner wall, the internal thread connection of oil filler point has the end cap, utilize first cooling runner and the second cooling runner of seting up at the outer lane inner wall, let in lubricating grease in first cooling runner and second cooling runner, lubricating grease can lubricate between bearing and the wheel hub effectively, reduce the coefficient of friction between wheel hub and the bearing, improve vehicle safety.
Description
Technical Field
The utility model relates to a vehicle wheel hub unit technical field specifically is a long-term lubricating structure's of tape spool holds clearance cooling wheel hub unit.
Background
The hub bearing unit is developed on the basis of a standard angular contact ball bearing and a tapered roller bearing, integrates two sets of bearings, has the advantages of good assembly performance, capability of omitting clearance adjustment, light weight, compact structure, large load capacity, capability of filling lubricating grease for a sealing bearing in advance, capability of omitting external hub sealing, free maintenance and the like, is widely used in cars, has a trend of gradually expanding application in trucks, is one of key parts of the automobiles, and has the main functions of bearing weight and providing accurate guide for the rotation of a hub, so that the hub bearing unit is required to bear not only axial load but also radial load.
At present, the inner wall of the bearing and the hub unit of the hub bearing unit can generate friction in the actual use process, the heat of the hub inner unit is not lubricated timely, the friction between the hub and the bearing can aggravate the abrasion of the bearing, the problems of scrapping of the hub unit and the like are caused, the safety is low, and the potential safety hazard that the vehicle is heavy in the driving process is formed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a long-term lubricating structure's of band pulley bearing clearance cooling wheel hub unit has solved present wheel hub bearing unit and can produce the friction at the inner wall of in-service use in-process bearing and wheel hub unit, and untimely heat to the inside unit of wheel hub is lubricated and is handled, and the wearing and tearing of bearing can aggravate to the friction of wheel hub and bearing to cause the condemned problem of wheel hub unit.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a hub unit with a bearing clearance cooling long-acting lubricating structure comprises an outer ring, an inner ring and a retainer, wherein the outer ring and the inner ring are positioned on the same axis, the retainer is arranged inside the outer ring, the inner wall of the outer ring is fixedly connected with an outer bearing, the inner wall of the inner ring is fixedly connected with an inner bearing, the outer bearing and the inner bearing are positioned on the same axial line, a first cooling flow passage and a second cooling flow passage are respectively arranged on two sides of the inner wall of the outer ring, the inner parts of the first cooling flow channel and the second cooling flow channel are communicated with the surface of the outer bearing, the inner part of the outer ring is provided with a mounting hole, an oil filling hole is arranged at the bottom of the inner wall of the mounting hole, through holes are communicated with both sides of the bottom of the inner wall of the oil filling hole, and one ends of the two through holes, which are deviated from each other, are respectively communicated with the interiors of the first cooling flow channel and the second cooling flow channel, and the inner threads of the oil filling hole are connected with plugs.
Preferably, the first cooling flow channel and the second cooling flow channel are both provided with two groups, and the first cooling flow channel and the second cooling flow channel are respectively positioned on two sides of the inner wall of the inner ring.
Preferably, the top of the inner wall of the oil filling hole is provided with an internal thread matched with the plug, and the top of the plug is provided with a hexagonal hole.
Preferably, the inside swing joint of mounting hole has the rubber buffer to adopt interference fit between rubber buffer and the mounting hole.
Preferably, the inside of the retainer is provided with a steel ball, the inside of the retainer is provided with a mounting groove matched with the steel ball, and the surface of the steel ball is rotatably connected with the inside of the mounting groove.
Preferably, the first cooling flow channel and the second cooling flow channel are located on the same axial line.
Advantageous effects
The utility model provides a take wheel hub unit of long-term lubricating structure of bearing clearance cooling. Compared with the prior art, the method has the following beneficial effects:
(1) the hub unit with the bearing clearance cooling long-acting lubricating structure is characterized in that an outer bearing is fixedly connected with the inner wall of an outer ring, an inner bearing is fixedly connected with the inner wall of an inner ring, the outer bearing and the inner bearing are positioned on the same axis, a first cooling flow passage and a second cooling flow passage are respectively arranged on two sides of the inner wall of the outer ring, the interiors of the first cooling flow passage and the second cooling flow passage are respectively communicated with the surface of the outer bearing, a mounting hole is arranged in the outer ring, an oil filling hole is arranged at the bottom of the inner wall of the mounting hole, through holes are respectively communicated with two sides of the bottom of the inner wall of the oil filling hole, the opposite ends of the two through holes are respectively communicated with the interiors of the first cooling flow passage and the second cooling flow passage, a plug is connected with the inner thread of the oil filling hole, lubricating grease is introduced into the first cooling flow passage and the second cooling flow passage by, lubricating grease can lubricate between bearing and the wheel hub effectively, reduces the coefficient of friction between wheel hub and the bearing, improves vehicle security.
(2) This take wheel hub unit of long-term lubricating structure of bearing clearance cooling, the internal thread with end cap looks adaptation is seted up through the top of oil filler point inner wall to the hexagonal hole has been seted up at the top of end cap, the inside swing joint of mounting hole has the rubber buffer, and adopt interference fit between rubber buffer and the mounting hole, such structural design can be very convenient to first cooling runner and the inside grease that pours into of second cooling runner, structural design is comparatively compact, and it is comparatively convenient to operate.
Drawings
Fig. 1 is a cross-sectional view of the hub unit structure of the present invention;
FIG. 2 is a top view of the inner structure of the outer ring of the present invention;
fig. 3 is a partially enlarged view of a portion a in fig. 1 according to the present invention.
In the figure: 1-outer ring, 2-inner ring, 3-retainer, 4-outer bearing, 5-inner bearing, 6-first cooling flow channel, 7-second cooling flow channel, 8-mounting hole, 9-oil filling hole, 10-through hole, 11-plug, 12-rubber plug, 13-steel ball and 14-mounting groove.
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.
Referring to fig. 1-3, the present invention provides a technical solution: a hub unit with a bearing clearance cooling long-acting lubricating structure comprises an outer ring 1, an inner ring 2 and a retainer 3, wherein steel balls 13 are arranged inside the retainer 3, a mounting groove 14 matched with the steel balls 13 is formed inside the retainer 3, the surface of each steel ball 13 is rotatably connected with the inside of the mounting groove 14, the outer ring 1 and the inner ring 2 are positioned on the same axis, the retainer 3 is arranged inside the outer ring 1, an outer bearing 4 is fixedly connected with the inner wall of the outer ring 1, an inner bearing 5 is fixedly connected with the inner wall of the inner ring 2, the outer bearing 4 and the inner bearing 5 are positioned on the same axis, a first cooling flow passage 6 and a second cooling flow passage 7 are respectively arranged on two sides of the inner wall of the outer ring 1, the first cooling flow passage 6 and the second cooling flow passage 7 are positioned on the same axis, two groups of the first cooling flow passage 6 and the second cooling flow passage 7 are respectively positioned on two sides of the inner wall of the inner ring 2, the interiors of the first cooling flow channel 6 and the second cooling flow channel 7 are communicated with the surface of the outer bearing 4, the interior of the outer ring 1 is provided with a mounting hole 8, the interior of the mounting hole 8 is movably connected with a rubber plug 12, one end of the rubber plug 12 extends out of the mounting hole 8 and extends to the exterior of the mounting hole 8, the rubber plug 12 is in interference fit with the mounting hole 8, the bottom of the inner wall of the mounting hole 8 is provided with an oil filling hole 9, the top of the inner wall of the oil filling hole 9 is provided with an internal thread matched with the plug 11, the top of the plug 11 is provided with a hexagonal hole, two sides of the bottom of the inner wall of the oil filling hole 9 are communicated with through holes 10, the through holes 10 are communicated with the first cooling flow channel 6, the second cooling flow channel 7 and the oil filling hole 9, one ends of the two through holes 10, which are deviated from, are respectively communicated with the interiors of the first, the surface of the plug 11 is provided with external threads, and the external threads are matched and connected with the internal threads on the inner wall of the oil filling hole 9, and the details which are not described in detail in the specification belong to the prior art which is well known to those skilled in the art.
During the use, utilize lubricating grease injection machine to pour into oil filler point 9 with lubricating grease, lubricating grease gets into in the oil filler point 9, lubricating grease in the oil filler point 9 gets into in first cooling runner 6 and the second cooling runner 7 from through-hole 10, utilize threaded connection between end cap 11 and the oil filler point 9 after the injection is accomplished, block up oil filler point 9, then utilize interference fit between rubber buffer 12 and the mounting hole 8, strengthen the relation of connection between oil filler point 9 and end cap 11, lubricating grease contacts with the surface of outer bearing 4 and inner bearing 5 respectively in first cooling runner 6 and the second cooling runner 7, in the vehicle in-process of going, utilize lubricating grease to carry out long-term lubrication between outer bearing 4 and inner bearing 5 and the wheel hub, guarantee wheel hub security.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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. The utility model provides a long-term lubricating structure's of band pulley bearing clearance cooling wheel hub unit, includes outer lane (1), inner circle (2) and holder (3), outer lane (1) and inner circle (2) are in same axial lead to holder (3) set up the inside at outer lane (1), its characterized in that: the inner wall of the outer ring (1) is fixedly connected with an outer bearing (4), the inner wall of the inner ring (2) is fixedly connected with an inner bearing (5), the outer bearing (4) and the inner bearing (5) are positioned on the same axial line, a first cooling flow passage (6) and a second cooling flow passage (7) are respectively arranged on two sides of the inner wall of the outer ring (1), the interiors of the first cooling flow channel (6) and the second cooling flow channel (7) are communicated with the surface of the outer bearing (4), a mounting hole (8) is formed in the outer ring (1), an oil filling hole (9) is arranged at the bottom of the inner wall of the mounting hole (8), both sides of the bottom of the inner wall of the oil filling hole (9) are communicated with a through hole (10), and one ends of the two through holes (10) which are deviated from each other are respectively communicated with the interiors of the first cooling flow passage (6) and the second cooling flow passage (7), and the inner thread of the oil filling hole (9) is connected with a plug (11).
2. A hub unit with a bearing gap cooling long-life lubrication structure according to claim 1, characterized in that: two groups of first cooling flow channels (6) and two groups of second cooling flow channels (7) are arranged, and the first cooling flow channels (6) and the second cooling flow channels (7) are respectively positioned on two sides of the inner wall of the inner ring (2).
3. A hub unit with a bearing gap cooling long-life lubrication structure according to claim 1, characterized in that: the top of the inner wall of the oil filling hole (9) is provided with an internal thread matched with the plug (11), and the top of the plug (11) is provided with a hexagonal hole.
4. A hub unit with a bearing gap cooling long-life lubrication structure according to claim 1, characterized in that: the inside swing joint of mounting hole (8) has rubber buffer (12) to adopt interference fit between rubber buffer (12) and mounting hole (8).
5. A hub unit with a bearing gap cooling long-life lubrication structure according to claim 1, characterized in that: the steel ball bearing is characterized in that a steel ball (13) is arranged inside the retainer (3), a mounting groove (14) matched with the steel ball (13) is formed inside the retainer (3), and the surface of the steel ball (13) is rotatably connected with the inside of the mounting groove (14).
6. A hub unit with a bearing gap cooling long-life lubrication structure according to claim 1, characterized in that: the first cooling flow channel (6) and the second cooling flow channel (7) are positioned on the same axial line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921626936.XU CN210591208U (en) | 2019-09-27 | 2019-09-27 | Take long-term lubricating structure's of bearing clearance cooling wheel hub unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921626936.XU CN210591208U (en) | 2019-09-27 | 2019-09-27 | Take long-term lubricating structure's of bearing clearance cooling wheel hub unit |
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| CN210591208U true CN210591208U (en) | 2020-05-22 |
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| CN201921626936.XU Active CN210591208U (en) | 2019-09-27 | 2019-09-27 | Take long-term lubricating structure's of bearing clearance cooling wheel hub unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112060832A (en) * | 2020-09-10 | 2020-12-11 | 江苏张驰轮毂制造有限公司 | High-strength forged hub |
-
2019
- 2019-09-27 CN CN201921626936.XU patent/CN210591208U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112060832A (en) * | 2020-09-10 | 2020-12-11 | 江苏张驰轮毂制造有限公司 | High-strength forged hub |
| CN112060832B (en) * | 2020-09-10 | 2024-02-13 | 江苏张驰轮毂制造有限公司 | High-strength forging hub |
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