CN207111901U - A kind of sealing structure of truck drive shaft and its bearing - Google Patents
A kind of sealing structure of truck drive shaft and its bearing Download PDFInfo
- Publication number
- CN207111901U CN207111901U CN201720825441.4U CN201720825441U CN207111901U CN 207111901 U CN207111901 U CN 207111901U CN 201720825441 U CN201720825441 U CN 201720825441U CN 207111901 U CN207111901 U CN 207111901U
- Authority
- CN
- China
- Prior art keywords
- bearing
- dust cap
- oil sealing
- drive shaft
- sealing
- 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.)
- Active
Links
Abstract
It the utility model is related to a kind of sealing structure of truck drive shaft and its bearing, in the sealing structure of a kind of truck drive shaft of the present utility model and its bearing, bearing is installed in the mounting hole of fulcrum bearing, bearing is used for supporting drive shaft, left oil sealing and right oil sealing are separately positioned on the left and right sides of bearing, left oil sealing and right oil sealing can prevent water and dust enters bearing or lubricating grease flows out from bearing and influences the performance of bearing, there is left dust cap on the left of left oil sealing, there is right dust cap on the right side of right oil sealing, most of mud that left dust cap and right dust cap can prevent from splashing on dust and road enters the inside of fulcrum bearing, so, the sealing structure of truck drive shaft and its bearing of the present utility model can play a part of effectively dustproof and waterproof, meet the seal request of the power transmission shaft of automobile and the dustproof and waterproof of bearing.
Description
Technical field
A kind of sealing structure of truck drive shaft and its bearing is the utility model is related to, belongs to field of automobile.
Background technology
The front-engine rear-drive automobile of in the market needs that engine power is delivered to trailing wheel with intermediate propeller shaft, works as intermediate transmission
Axle will support power transmission shaft steadily to operate when longer with intermediate support seat, and intermediate propeller shaft is located at bottom of car, environmental working condition
Compare severe, the particularly SUV of cross-country type, and intermediate supporting device includes bearing, requires very high to dustproof and waterproof, otherwise can carry
Preceding failure, so intermediate supporting device needs fine sealing to meet job requirement, to meet that the harsh waterproof of vehicle is prevented
Dirt requirement.
Utility model content
In view of the above the shortcomings that prior art, the technical problems to be solved in the utility model is to provide a kind of automobile
The sealing structure of power transmission shaft and its bearing, to meet the seal request of the dustproof and waterproof of the power transmission shaft of automobile and bearing.
To achieve the above object, the utility model provides a kind of sealing structure of truck drive shaft and its bearing, using such as
Lower technical scheme：A kind of sealing structure of truck drive shaft and its bearing, including fulcrum bearing, fulcrum bearing have mounting hole, installation
Bearing is installed, endoporus and the power transmission shaft of bearing coordinate, and the left side of bearing is provided with left dust cap and left oil sealing, left oil sealing position in hole
Between left dust cap and the left surface of bearing；The right side of bearing is provided with right dust cap and right oil sealing, and right oil sealing is positioned at right dust-proof
Between lid and the right flank of bearing；The left oil sealing and right oil sealing coordinate with drive shaft seal, the power transmission shaft from left to right according to
It is secondary to pass through left dust cap, left oil sealing, bearing, right oil sealing and right dust cap.
Preferably, the left side of the left dust cap is provided with left dust ring, and left dust ring is socketed on power transmission shaft, left dust ring
Right side there is first annular groove, the left end of the left dust cap is extended in first annular groove.
Preferably, the right side of the right dust cap is provided with right dust ring, and right dust ring is socketed on power transmission shaft, right dust ring
Left side there is the second annular groove, the right-hand member of the right dust cap is extended in the second annular groove.
Preferably, the bearing is cartridge seal bearing.
Preferably, the left dust cap right-to-left is sequentially provided with the first left ring part, the second left ring part and prolonged towards a left side
The left enlarging stretched, the first left ring part are coated on the left-half in bearing top circle face, and the second left ring part is coated on
The outside of left oil sealing, the left enlarging right-to-left diameter gradually increase.
Preferably, the right dust cap is sequentially provided with the first right ring part, the second right ring part and prolonged towards the right side from left to right
The right enlarging stretched, the first right ring part are coated on the right half part in bearing top circle face, and the second right ring part is coated on
The outside of right oil sealing, diameter gradually increases from left to right for the right enlarging.
Preferably, the left oil sealing is identical with right oil enveloping structure, and left oil sealing and right oil sealing are symmetrically disposed in the footpath of bearing
To the left and right sides of split；The left dust cap is identical with right dustproof cover structure, and left dust cap and right dust cap are symmetrically set
Put in the left and right sides of the radial direction split of bearing.
Preferably, the fulcrum bearing includes left half fulcrum bearing and right half fulcrum bearing, left half fulcrum bearing and right half fulcrum bearing pair
It is arranged on the left and right sides of the radial direction split of bearing with claiming.
Preferably, the power transmission shaft is the intermediate propeller shaft positioned at bottom of car.
In summary, the sealing structure of a kind of truck drive shaft and its bearing that the utility model is related to, have with following
Beneficial effect：In the sealing structure of a kind of truck drive shaft of the present utility model and its bearing, bearing is installed on the peace of fulcrum bearing
Fill in hole, bearing is used for supporting drive shaft, and left oil sealing and right oil sealing are separately positioned on the left and right sides of bearing, left oil sealing and right oil
Envelope can prevent water and dust enters bearing or lubricating grease flows out from bearing and influences the performance of bearing, on a left side for left oil sealing
There is left dust cap side, there is right dust cap on the right side of right oil sealing, and left dust cap and right dust cap can prevent from splashing on dust and road
The most of mud risen enters the inside of fulcrum bearing, so, the sealing knot of truck drive shaft and its bearing of the present utility model
Structure can play a part of effectively dustproof and waterproof, meet the seal request of the power transmission shaft of automobile and the dustproof and waterproof of bearing.
Brief description of the drawings
Fig. 1 is shown as a kind of front view of the sealing structure of truck drive shaft and its bearing of the present utility model；
Fig. 2 is shown as a kind of sectional view of the sealing structure of truck drive shaft and its bearing of the present utility model；
Fig. 3 is shown as in Fig. 2 the zoomed-in view at B；
Component label instructions
1 fulcrum bearing, 13 right dust cap
2 14 first right ring parts of left half fulcrum bearing
3 15 second right ring parts of right half fulcrum bearing
4 radial direction split, 16 right enlarging
The power transmission shaft of 5 mounting hole 17
The bottom of car of 6 bearing 18
7 left 19 left annular grooves of oil sealing
8 right 20 right annular grooves of oil sealing
9 left 21 left dust rings of dust cap
10 first left 22 right dust rings of ring part
11 second left 23 first annular grooves of ring part
The 12 left annular grooves of enlarging 24 second
Embodiment
Embodiment of the present utility model is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the present utility model easily.
It should be clear that structure, ratio, size depicted in this specification institute accompanying drawings etc., only coordinating specification to be taken off
The content shown, so that those skilled in the art understands and reads, it is not limited to the enforceable restriction bar of the utility model
Part, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, do not influenceing
Under the effect of the utility model can be generated and the purpose that can reach, all should still it fall in the technology disclosed in the utility model
In the range of Rong get Neng is covered.Meanwhile cited such as " on ", " under ", "left", "right", the use of " centre " in this specification
Language, be merely convenient to narration understand, and be not used to limit the enforceable scope of the utility model, the change of its relativeness or
Adjustment, in the case where changing technology contents without essence, when being also considered as the enforceable category of the utility model.
As shown in Figure 1 to Figure 3, the utility model provides a kind of sealing structure of truck drive shaft and its bearing, including branch
Bearing 1, fulcrum bearing 1 have mounting hole 5, and bearing 6 is provided with mounting hole 5, and endoporus and the power transmission shaft 17 of bearing 6 coordinate, bearing
6 left side is provided with left dust cap 9 and left oil sealing 7, and left oil sealing 7 is between left dust cap 9 and the left surface of bearing 6；Bearing 6
Right side be provided with right dust cap 13 and right oil sealing 8, right oil sealing 8 is between right dust cap 13 and the right flank of bearing 6；The left side
Oil sealing 7 and right oil sealing 8 coordinate with the sealing of power transmission shaft 17, and the power transmission shaft 17 sequentially passes through left dust cap 9, left oil sealing from left to right
7th, bearing 6, right oil sealing 8 and right dust cap 13.In the sealing structure of a kind of truck drive shaft of the present utility model and its bearing,
Bearing 6 is installed in the mounting hole 5 of fulcrum bearing 1, and bearing 6 is used for supporting drive shaft 17, and left oil sealing 7 and right oil sealing 8 are set respectively
In the left and right sides of bearing 6, left oil sealing 7 and right oil sealing 8 can prevent water and dust from entering bearing 6 or lubricating grease from bearing 6
It is middle outflow and influence the performance of bearing 6, have left dust cap 9 in the left side of left oil sealing 7, there is right dust cap on the right side of right oil sealing 8
13, most of mud that left dust cap 9 and right dust cap 13 can prevent from splashing on dust and road enters the interior of fulcrum bearing 1
Portion, so, the sealing structure of truck drive shaft and its bearing of the present utility model can play a part of effectively dustproof and waterproof,
Meet the seal request of the power transmission shaft 17 of automobile and the dustproof and waterproof of bearing 6.
In the sealing structure of a kind of truck drive shaft of the present utility model and its bearing, in order to improve the anti-of sealing structure
Dirt, water resistance, as shown in Figures 2 and 3, the left side of the left dust cap 9 are provided with left dust ring 21, and left dust ring 21 is socketed in
On power transmission shaft 17, the right side of left dust ring 21 has a first annular groove 23, and the left end of the left dust cap 9 extends to first annular
In groove 23.So, left dust ring 21 forms labyrinth seal structure with left dust cap 9, and dust, rainwater and mud not easily pass through a left side
Dust ring 21 and left dust cap 9 are entered in bearing 6.Similarly, the right side of the right dust cap 13 is provided with right dust ring 22,
Right dust ring 22 is socketed on power transmission shaft 17, and the left side of right dust ring 22 has the second annular groove 24, the right dust cap 13
Right-hand member is extended in the second annular groove 24, and right dust ring 22 forms labyrinth seal structure with right dust cap 13.Left dust ring 21
Rotated with right dust ring 22 with power transmission shaft, and left dust cap 9 and right dust cap 13 are each attached in fulcrum bearing 1, work as transmission
When axle 17 rotates, the left end of left dust cap 9 rotates in first annular groove 23, and the right-hand member of right dust cap 13 is in the second annular groove 24
Middle rotation, left dust ring 21 form labyrinth seal structure with right dust cap 13 with left dust cap 9, right dust ring 22 and prevent ash
Dirt, mud enter in bearing 6 from the both sides of bearing 6.
In the sealing structure of a kind of truck drive shaft of the present utility model and its bearing, in order that the sealing of bearing 6
Can preferably, the bearing 6 is using cartridge seal bearing 6, and such as cartridge type bearing 6, there is supply in the manufacturer of bearing 6 as SKF；
Cartridge seal bearing 6 uses cartridge seal structure, has the lips side sealing structure of axial direction, in the relative transmission of the axis of bearing 6
In the case that the axis of axle 17 has minute angle, bearing 6 still has preferable sealing property, is proved by slurry test,
Cartridge seal bearing 6 is more preferable than the effect of common individual layer or double-layer seal.The left dust cap 9 and right dust cap 13 are using fan
The dust cap of palace formula sealing structure, it is preferable that as shown in Figures 2 and 3, the left right-to-left of dust cap 9 is sequentially provided with first
Left ring part 10, the second left ring part 11 and the left enlarging 12 towards left extension, the first left ring part 10 are coated on bearing 6
The left-half of periphery, the second left ring part 11 are coated on the outside of left oil sealing 7, and the left right-to-left of enlarging 12 is straight
Footpath gradually increases；So, the first of left closure the left ring part 10 be inserted into the inwall of mounting hole 5 and bearing 6 lateral surface it
Between, left closure covers in the outside of left oil sealing 7 and the left-half of bearing 6 completely, dust, water and mud be difficult to from radially into
Into left oil sealing 7 or bearing 6, because the left right-to-left diameter of enlarging 12 gradually increases, as shown in Figures 2 and 3, left enlarging 12
Root form left annular groove 19, when have water from the surface of fulcrum bearing 1 of the both sides of mounting hole 5 to it is dirty when, water can be flowed into left ring
Drain in shape groove 19 and along left annular groove 19, and be difficult to flow at left oil sealing 7 from the oral area of left enlarging 12.Similarly, such as Fig. 2 meetings
Shown in Fig. 3, the right dust cap 13 is sequentially provided with the first right ring part 14, the second right ring part 15 and towards right extension from left to right
Right enlarging 16, the first right ring part 14 is coated on the right half part of the periphery of bearing 6, and the second right ring part 15 wraps
The outside of right oil sealing 8 is overlying on, diameter gradually increases from left to right for the right enlarging 16, and the root of right enlarging 16 forms right annular
Groove 20.As a preferred mode, left dust cap 9 and right dust cap 13 vulcanize on rubber, and left oil sealing 7 and right oil sealing 8 are logical
The mode for crossing press fitting is respectively pressed into left dust cap 9 and right dust cap 13.As shown in Figures 2 and 3, the fulcrum bearing 1 includes a left side
Half fulcrum bearing 2 and right half fulcrum bearing 3, the fulcrum bearing 2 of a left side half and right half fulcrum bearing 3 are symmetrically disposed in the radial direction split 4 of bearing 6
The left and right sides, left dust cap 9 and left fulcrum bearing 1 be first fixed together, and right dust cap 13 and right fulcrum bearing 1 are first fixed on one
Rise, left oil sealing 7 and right oil sealing 8 be respectively pressed into by way of press fitting in left dust cap 9 and right dust cap 13 and then from
The left and right sides of bearing 6 is press fit together left half fulcrum bearing 2 and right half fulcrum bearing 3 with bearing 6.
In the sealing structure of a kind of truck drive shaft of the present utility model and its bearing, in order that it is rational in infrastructure, reduce
The species of part, make the interchangeability between part preferable, it is preferable that as shown in Figures 2 and 3, the left oil sealing 7 and right oil sealing 8
Structure is identical, and left oil sealing 7 and right oil sealing 8 are symmetrically disposed in the left and right sides of the radial direction split 4 of bearing 6；The left side is dust-proof
Lid 9 is identical with the right structure of dust cap 13, and left dust cap 9 and right dust cap 13 are symmetrically disposed in the radial direction split 4 of bearing 6
The left and right sides.So, left oil sealing 7 and right oil sealing 8 are interchangeable, and left dust cap 9 and right dust cap 13 are interchangeable,
It can reduce in assembling work and fill by mistake, and be easy to the processing and management of part.
The sealing structure of a kind of truck drive shaft and its bearing of the present utility model is applied to the power transmission shaft 17 and axle of automobile
The sealing between 6 is held, the sealing between the intermediate propeller shaft for the bottom of car 18 that is particularly suitable for use in and its bearing support 6.
Based on the embodiment above, the sealing structure of truck drive shaft and its bearing of the present utility model can play effectively
The effect of ground dustproof and waterproof, meet the seal request of the power transmission shaft 17 of automobile and the dustproof and waterproof of bearing 6.
In summary, the utility model effectively overcomes various shortcoming of the prior art and has high industrial exploitation value
Value.
Above-described embodiment only illustrative principle of the present utility model and its effect are new not for this practicality is limited
Type.Any person skilled in the art can all be carried out without prejudice under spirit and scope of the present utility model to above-described embodiment
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the essence disclosed in the utility model
God and all equivalent modifications completed under technological thought or change, should be covered by claim of the present utility model.
Claims (9)
1. the sealing structure of a kind of truck drive shaft and its bearing, it is characterized in that, including fulcrum bearing (1), fulcrum bearing (1), which has, pacifies
Fill hole (5), bearing (6) is installed in mounting hole (5), endoporus and the power transmission shaft (17) of bearing (6) coordinate, the left side of bearing (6)
Provided with left dust cap (9) and left oil sealing (7), left oil sealing (7) is located between left dust cap (9) and the left surface of bearing (6)；Bearing
(6) right side is provided with right dust cap (13) and right oil sealing (8), and right oil sealing (8) is located at the right side of right dust cap (13) and bearing (6)
Between face；The left oil sealing (7) and right oil sealing (8) coordinate with power transmission shaft (17) sealing, the power transmission shaft (17) from left to right according to
It is secondary to pass through left dust cap (9), left oil sealing (7), bearing (6), right oil sealing (8) and right dust cap (13).
2. the sealing structure of truck drive shaft according to claim 1 and its bearing, it is characterised in that：The left dust cap
(9) left side is provided with left dust ring (21), and left dust ring (21) is socketed on power transmission shaft (17), the right side tool of left dust ring (21)
There is first annular groove (23), the left end of the left dust cap (9) is extended in first annular groove (23).
3. the sealing structure of truck drive shaft according to claim 1 and its bearing, it is characterised in that：The right dust cap
(13) right side is provided with right dust ring (22), and right dust ring (22) is socketed on power transmission shaft (17), the left side of right dust ring (22)
With the second annular groove (24), the right-hand member of the right dust cap (13) is extended in the second annular groove (24).
4. the sealing structure of truck drive shaft according to claim 1 and its bearing, it is characterised in that：The bearing (6)
For cartridge seal bearing (6).
5. the sealing structure of truck drive shaft according to claim 1 and its bearing, it is characterised in that：The left dust cap
(9) right-to-left is sequentially provided with the first left ring part (10), the second left ring part (11) and the left enlarging (12) towards left extension, institute
The left-half that the first left ring part (10) is coated on bearing (6) periphery is stated, the second left ring part (11) is coated on a left side
The outside of oil sealing (7), left enlarging (12) the right-to-left diameter gradually increase.
6. the sealing structure of truck drive shaft according to claim 1 and its bearing, it is characterised in that：The right dust cap
(13) the first right ring part (14), the second right ring part (15) and the right enlarging (16) towards right extension are sequentially provided with from left to right,
The first right ring part (14) is coated on the right half part of bearing (6) periphery, and the second right ring part (15) is coated on
The outside of right oil sealing (8), diameter gradually increases the right enlarging (16) from left to right.
7. the sealing structure of truck drive shaft according to claim 1 and its bearing, it is characterised in that：The left oil sealing
(7) identical with right oil sealing (8) structure, left oil sealing (7) and right oil sealing (8) are symmetrically disposed in the radial direction split (4) of bearing (6)
The left and right sides；The left dust cap (9) is identical with right dust cap (13) structure, and left dust cap (9) and right dust cap (13) are right
It is arranged on the left and right sides of the radial direction split (4) of bearing (6) with claiming.
8. the sealing structure of truck drive shaft according to claim 1 and its bearing, it is characterised in that：The fulcrum bearing
(1) left half fulcrum bearing (2) and right half fulcrum bearing (3) are included, left half fulcrum bearing (2) and right half fulcrum bearing (3) are symmetrically disposed in
The left and right sides of the radial direction split (4) of bearing (6).
9. the sealing structure of truck drive shaft according to claim 1 and its bearing, it is characterised in that：The power transmission shaft
(17) for positioned at the intermediate propeller shaft of bottom of car (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720825441.4U CN207111901U (en) | 2017-07-07 | 2017-07-07 | A kind of sealing structure of truck drive shaft and its bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720825441.4U CN207111901U (en) | 2017-07-07 | 2017-07-07 | A kind of sealing structure of truck drive shaft and its bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207111901U true CN207111901U (en) | 2018-03-16 |
Family
ID=61587907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720825441.4U Active CN207111901U (en) | 2017-07-07 | 2017-07-07 | A kind of sealing structure of truck drive shaft and its bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207111901U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985548A (en) * | 2019-12-12 | 2020-04-10 | 万向钱潮传动轴有限公司 | Non-maintaining intermediate support assembly without bearing block and support oil seal |
-
2017
- 2017-07-07 CN CN201720825441.4U patent/CN207111901U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985548A (en) * | 2019-12-12 | 2020-04-10 | 万向钱潮传动轴有限公司 | Non-maintaining intermediate support assembly without bearing block and support oil seal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102954194B (en) | Railway vehicle traveling gearbox sealing structure | |
| CN105240532B (en) | A kind of oil enveloping structure | |
| CN202215736U (en) | Sealing structure for traveling gearbox of railway vehicle | |
| CN105952802A (en) | Non-maintenance hub unit assembly with brake drum | |
| CN207111901U (en) | A kind of sealing structure of truck drive shaft and its bearing | |
| CN204239455U (en) | A kind of doubling sealed bearing | |
| CN201627926U (en) | Heavy truck bridge hub oil seal | |
| CN205278375U (en) | Oil blanket structure | |
| CN103423538A (en) | Hydraulic swivel joint with high leak tightness | |
| CN207542921U (en) | A kind of novel waterproof motor | |
| CN207093571U (en) | A kind of spindle seals damping bearing | |
| CN103498876B (en) | Wheel hub ball bearing unit | |
| CN103470618B (en) | Vehicle clutch bearing | |
| CN202118257U (en) | Sludge-proof oil seal | |
| CN202203406U (en) | Oil seal for wheel edge of engineering machinery | |
| CN204592049U (en) | A kind of vehicle driving shaft assembly of good airproof performance | |
| CN205533769U (en) | School bus wheel hub is connected with central siphon and uses self -lubricating bearing unit | |
| CN203363168U (en) | Sealing structure between automobile steering knuckle and drive shaft | |
| CN207393952U (en) | A kind of low speed combination auto bridge oil seal that can be dust-proof | |
| CN104565083B (en) | A kind of steering bearing | |
| CN205806484U (en) | A kind of oil sealing dust cover and automobile | |
| CN206439305U (en) | A kind of automobile hub bearing | |
| CN113915236B (en) | Lubricating floating oil seal structure of electric tricycle hub motor | |
| CN205952108U (en) | Crawler -type engineering machine is thrust wheel for tool | |
| CN205417602U (en) | Supplementary installation device of fast sensor of car wheel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |