CN210830640U - Wheel hub sealing device with exhaust function - Google Patents
Wheel hub sealing device with exhaust function Download PDFInfo
- Publication number
- CN210830640U CN210830640U CN201921431190.7U CN201921431190U CN210830640U CN 210830640 U CN210830640 U CN 210830640U CN 201921431190 U CN201921431190 U CN 201921431190U CN 210830640 U CN210830640 U CN 210830640U
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- Prior art keywords
- hole
- oil
- sealing device
- oil baffle
- baffle plate
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- 238000007789 sealing Methods 0.000 title claims abstract description 24
- 238000009434 installation Methods 0.000 claims abstract description 14
- 238000003780 insertion Methods 0.000 claims abstract description 11
- 230000037431 insertion Effects 0.000 claims abstract description 11
- 210000004907 gland Anatomy 0.000 claims description 10
- 239000012780 transparent material Substances 0.000 claims description 4
- 238000013022 venting Methods 0.000 claims 8
- 239000003595 mist Substances 0.000 abstract description 9
- 230000032683 aging Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 59
- 239000010687 lubricating oil Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000012530 fluid Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to a wheel hub sealing device, concretely relates to wheel hub sealing device with exhaust function. Including the hubcap body, the hubcap body has lateral part, installation flange portion and tip, be provided with the insertion through-hole on the tip, insert in the through-hole and inserted the exhaust hole stopper, have one end open-ended cavity in the exhaust hole stopper, the terminal surface of the exhaust hole stopper other end be provided with the pressure balance opening of cavity intercommunication, the cavity internal diameter is provided with first oil baffle, and first through-hole group has been arranged on the face of first oil baffle, insert and be close to the cavity opening part in the through-hole and radially be provided with second oil baffle, evenly arrange the second through-hole group on the face of second oil baffle. The utility model discloses can discharge the high temperature high pressure oil mist that produces in the wheel hub sealing device fast, prevent that the oil blanket of wheel end from bearing great axial pressure, the ageing and easy oil leak of oil blanket, inefficacy accelerate makes wheel end assembly fatigue failure early.
Description
Technical Field
The utility model relates to a wheel hub sealing device, concretely relates to wheel hub sealing device with exhaust function.
Background
The hub sealing device is a component arranged outside an axle hub of the automobile, and seals the hub assembly through the hub sealing device, so that the leakage of lubricating oil in the assembly and the entering of foreign matters are prevented, and the reliability and the safety of the whole automobile are concerned.
The wheel end adopts oil bath lubrication, the temperature of the wheel end is continuously raised in the high-speed running process, a large amount of oil mist can be generated, and because the wheel end is a closed space, under the action of high-temperature oil mist, the oil seal at the wheel end bears larger axial pressure, the aging of the oil seal is accelerated, the oil leakage and the failure are easy to occur, and the wheel end assembly is fatigued and fails early; on the other hand, the change of the oil quantity in the hub and the consumption condition can not be directly observed by the conventional hub sealing device, so that the lubricating oil replacement is delayed, the oil quantity replacement is too much or too little, the waste of resources and the increase of cost are caused, and the service life of the hub assembly is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wheel hub sealing device with exhausting function to the problem that prior art exists.
The utility model discloses specific technical scheme as follows:
a hub sealing device with an exhaust function comprises a hub cover body, wherein the hub cover body is provided with a side part, an installation flange part and an end part, an insertion through hole is formed in the end part, an exhaust hole plug is inserted into the insertion through hole, a cavity with an opening at one end is formed in the exhaust hole plug, a pressure balance opening communicated with the cavity is formed in the end surface of the other end of the exhaust hole plug, a first oil baffle plate is radially arranged in the cavity, a first through hole group is distributed on the surface of the first oil baffle plate, a second oil baffle plate is radially arranged in the insertion through hole and close to the opening of the cavity, and a second through hole group is uniformly distributed on the surface of the second oil baffle plate;
furthermore, the first through hole group comprises a central through hole positioned in the center of the surface of the first oil baffle plate and first through holes uniformly distributed on the surface of the first oil baffle plate around the central through hole, the second through hole group comprises second through holes uniformly distributed on the second oil baffle plate around the center of the surface of the second oil baffle plate, and the distance between the first through hole and the center of the first oil baffle plate is smaller than the distance between the second through hole and the center of the second oil baffle plate;
further, the pressure equalization opening comprises a cross-shaped slit that allows gas to pass through;
furthermore, a gland for fixing the exhaust hole plug is arranged on the end part, a plurality of concentric annular bulges are arranged on the end surface of the exhaust hole plug, the gland is in contact with the annular bulges, exhaust channels are formed between the adjacent annular bulges, and the adjacent exhaust channels are communicated through gaps which are arranged in a staggered manner;
further, the exhaust hole plug is positioned in the center of the annular bulge;
further, the gland comprises an installation outer edge and a pressing part arranged in the installation outer edge, the installation outer edge is connected with the pressing part through a hollow connecting piece, the installation outer edge is detachably connected to the end part, and the pressing part is contacted with the annular bulge;
furthermore, the end part is a plate body made of transparent materials, and an oil level scale mark is arranged on the plate surface of the end part;
further, the side portion is provided with an oil filling port with an oil filling plug.
The utility model discloses following beneficial effect has:
the utility model can quickly discharge high-temperature and high-pressure oil mist generated in the wheel hub sealing device, prevent the oil seal at the wheel end from bearing larger axial pressure, accelerate the aging of the oil seal, and is easy to leak oil and lose efficacy, so that the wheel end assembly can be fatigued and lost efficacy early, and external water can be prevented from entering the wheel hub sealing device to damage the wheel hub assembly; and simultaneously the utility model discloses can directly monitor the lubricated fluid condition in it, in time supply to change lubricated fluid, guarantee that the wheel hub assembly is lubricated good.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the vent plug of FIG. 1;
FIG. 3 is a right side view of FIG. 2;
FIG. 4 is a side view of the first oil deflector of FIG. 1;
FIG. 5 is a side view of the second oil baffle of FIG. 1;
FIG. 6 is a side view of the gland of FIG. 1;
fig. 7 is a side view of the end of fig. 1.
Detailed Description
As shown in fig. 1 and 2, the hub sealing device with the exhaust function comprises a hub cover body 1 with a cylindrical structure, wherein the hub cover body 1 is provided with a side part 1-1, a mounting flange part 1-2 and an end part 1-3, an insertion through hole 1-4 is arranged on the end part 1-3, an exhaust hole plug 2 with a cone structure is inserted into the insertion through hole 1-4, a chamber 2-1 with one end open is arranged in the exhaust hole plug 2, a pressure balance opening 2-3 communicated with the chamber 2-1 is arranged on an end surface 2-2 at the other end of the exhaust hole plug 2, a first oil baffle plate 3 is radially arranged in the chamber 2-1, a first through hole group is arranged on the plate surface of the first oil baffle plate 3, a second oil baffle plate 4 is radially arranged in the insertion through hole 1-4 and close to the opening of the chamber 2-1, second through hole groups are uniformly distributed on the surface of the second oil baffle 4, the first oil baffle 3 and the second oil baffle 4 are parallel to each other, the central points of the first oil baffle and the second oil baffle are coaxial, and the side part 1-1 is provided with an oil filling port 7 with an oil filling plug 6; the hub cover comprises a hub cover body 1, a mounting flange portion 1-2, a hub assembly, a first through hole group, a second through hole group and a pressure balance opening 2-3, wherein the mounting flange portion 1-2 of the hub cover body 1 is fixedly mounted on a hub through bolts, the hub assembly is located in a sealed space 8 in the hub cover body 1, lubricating oil is filled in the sealed space 8 and used for lubricating the hub assembly, high-temperature and high-pressure oil mist is generated when the hub runs at a high speed, and the oil mist sequentially passes through the first through hole group and the.
As shown in fig. 4 and 5, the first through hole group includes a central through hole 3-1 located in the center of the plate surface of the first oil baffle plate 3, and first through holes 3-2 evenly distributed on the plate surface of the first oil baffle plate 3 around the central through hole 3-1, the second through hole group includes second through holes 4-1 evenly distributed thereon around the plate surface center of the second oil baffle plate 4, and the distance between the first through hole 3-2 and the center of the first oil baffle plate 3 is smaller than the distance between the second through hole 4-1 and the center of the second oil baffle plate 4; when the hub runs at a high speed, the lubricating oil in the hub cover body 1 has a large impact force, the second oil baffle plate 4 can resist the impact to protect the vent plug 2, only a small amount of lubricating oil passes through the second through hole 4-1, the first oil baffle plate 3 can baffle and isolate a small amount of lubricating oil, since the distance between the first through hole 3-2 and the center of the first oil baffle 3 is smaller than the distance between the second through hole 4-1 and the center of the second oil baffle 4, therefore, the central through hole 3-1 and the first through hole 3-2 have a height difference with the second through hole 4-1, and the lubricating oil blocked by the first oil baffle 3 can rarely pass through the central through hole 3-1 and the first through hole 3-2, when the hub stops, oil between the first oil baffle 3 and the second oil baffle 4 flows back into the sealed space 8 through the second through hole 4-1 under the action of gravity.
As shown in fig. 3, a gland 5 for fixing the vent plug 2 is arranged on the end portion 1-3, a plurality of concentric annular protrusions 2-4 are arranged on the end surface of the vent plug 2, the gland 5 is in contact with the annular protrusions 2-4, vent waterproof channels 2-5 are formed between adjacent annular protrusions 2-4, adjacent vent waterproof channels 2-5 are communicated through staggered notches 2-6, and the pressure balance opening 2-3 comprises a cross-shaped slit which allows gas to pass through; the oil mist passes through the pressure balance opening 2-3 to enter the exhaust waterproof channel 2-5 and is discharged to the outside; if the wheel hub is submerged by wading of a vehicle, the staggered notches 2-6 can effectively block water from entering, the water hardly penetrates through the exhaust waterproof channel 2-5 to reach the pressure balance opening 2-3, the water can be thrown away by matching with the centrifugal force generated by the rotation of the wheel hub, and the pressure balance opening 2-3 is effectively sealed in a waterproof manner; the exhaust hole plug 2 is made of rubber, the slit is elastic, the slit is in a closed state under normal conditions, when pressure is generated by oil mist, the slit is opened outwards to exhaust the air, the slit is of a cross-shaped structure, the opening surface of the slit is large, more oil mist can be discharged, and the air is smoothly discharged.
As shown in fig. 6, the gland 5 comprises an installation outer edge 5-1 and a pressing part 5-2 arranged in the installation outer edge 5-1, the installation outer edge 5-1 is connected with the pressing part 5-2 through a hollow connecting piece 5-3, the installation outer edge 5-1 is detachably connected with an end part 1-3, and the pressing part 5-2 is contacted with an annular bulge 2-4; as shown in fig. 7, the end portion 1-3 is a plate body made of transparent material, and an oil level scale mark 1-5 is arranged on the plate surface of the end portion 1-3; the end cover is a plate body made of transparent materials, so that the condition of lubricating oil in the hub cover body 1 can be directly observed through the end cover, whether the lubricating oil needs to be supplemented or replaced can be checked by matching with the oil level scale lines 1-5, and the lubricating supplement or replacement is carried out through the oil filling port 7 with the oil filling plug 6; the exhaust hole plug 2 is tightly pressed in the insertion through hole 1-4 by the pressing part 5-2 of the pressing cover 5, the contact surface of the pressing part 5-2 and the annular bulge 2-4 is also used as a component surface of the exhaust waterproof channel 2-5, and the hollow connecting piece 5-3 is provided with a hollow space so as to be convenient for observing the interior of the hub cover body 1 through the end part 1-3.
Claims (8)
1. A hub sealing device with a venting function, comprising a hub cap body (1), the hub cap body (1) having a side portion (1-1), a mounting flange portion (1-2) and an end portion (1-3), characterized in that: the improved oil-gas separator is characterized in that an insertion through hole (1-4) is formed in the end portion (1-3), a vent plug (2) is inserted into the insertion through hole (1-4), a cavity (2-1) with an opening at one end is arranged in the vent plug (2), a pressure balance opening (2-3) communicated with the cavity (2-1) is formed in the end face (2-2) at the other end of the vent plug (2), a first oil baffle plate (3) is radially arranged in the cavity (2-1), a first through hole group is distributed on the plate face of the first oil baffle plate (3), a second oil baffle plate (4) is radially arranged at the position, close to the opening of the cavity (2-1), in the insertion through hole (1-4), and a second through hole group is uniformly distributed on the plate face of the second oil baffle plate (4).
2. A hub sealing device with a venting function as defined in claim 1, wherein: the first through hole group comprises a center through hole (3-1) located in the center of the surface of the first oil baffle plate (3) and first through holes (3-2) evenly distributed on the surface of the first oil baffle plate (3) around the center through hole (3-1), the second through hole group comprises second through holes (4-1) evenly distributed on the center of the surface of the second oil baffle plate (4), and the distance between the first through hole (3-2) and the center of the first oil baffle plate (3) is smaller than the distance between the second through hole (4-1) and the center of the second oil baffle plate (4).
3. A hub sealing device with a venting function as defined in claim 1, wherein: the pressure equalization openings (2-3) comprise cross-shaped slits allowing the passage of gas.
4. A hub sealing device with a venting function as defined in claim 1, wherein: the exhaust hole sealing device is characterized in that a gland (5) used for fixing the exhaust hole plug (2) is arranged on the end portion (1-3), a plurality of concentric annular protrusions (2-4) are arranged on the end face of the exhaust hole plug (2), the gland (5) is in contact with the annular protrusions (2-4), exhaust waterproof channels (2-5) are formed between adjacent annular protrusions (2-4), and adjacent exhaust waterproof channels (2-5) are communicated through gaps (2-6) which are arranged in a staggered mode.
5. A hub sealing device with a venting function as defined in claim 4, wherein: the exhaust hole plug (2) is positioned at the center of the annular bulge (2-4).
6. A hub sealing device with a venting function as defined in claim 4, wherein: the gland (5) comprises an installation outer edge (5-1) and a pressing part (5-2) arranged in the installation outer edge (5-1), the installation outer edge (5-1) is connected with the pressing part (5-2) through a hollow connecting piece (5-3), the installation outer edge (5-1) is detachably connected to the end part (1-3), and the pressing part (5-2) is in contact with the annular bulge (2-4).
7. A hub sealing device with a venting function as defined in claim 1, wherein: the end parts (1-3) are plate bodies made of transparent materials, and oil level scale marks (1-5) are arranged on the plate surfaces of the end parts (1-3).
8. A hub sealing device with a venting function as defined in claim 1, wherein: the side part (1-1) is provided with an oil filling opening (7) with an oil filling plug (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921431190.7U CN210830640U (en) | 2019-08-30 | 2019-08-30 | Wheel hub sealing device with exhaust function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921431190.7U CN210830640U (en) | 2019-08-30 | 2019-08-30 | Wheel hub sealing device with exhaust function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210830640U true CN210830640U (en) | 2020-06-23 |
Family
ID=71259447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921431190.7U Active CN210830640U (en) | 2019-08-30 | 2019-08-30 | Wheel hub sealing device with exhaust function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210830640U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454599A (en) * | 2019-08-30 | 2019-11-15 | 甘肃海林中科科技股份有限公司 | A kind of wheel hub sealing device with degassing function |
-
2019
- 2019-08-30 CN CN201921431190.7U patent/CN210830640U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454599A (en) * | 2019-08-30 | 2019-11-15 | 甘肃海林中科科技股份有限公司 | A kind of wheel hub sealing device with degassing function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| IP01 | Partial invalidation of patent right |
Commission number: 5W130059 Conclusion of examination: Declare claims 1, 3-8 of utility model patent number 201921431190.7 invalid, and continue to maintain the validity of the patent on the basis of claim 2 Decision date of declaring invalidation: 20230724 Decision number of declaring invalidation: 562410 Denomination of utility model: A hub sealing device with exhaust function Granted publication date: 20200623 Patentee: GANSU HAILIN ZHONGKE SCIENCE AND TECHNOLOGY Co.,Ltd. |
|
| IP01 | Partial invalidation of patent right |