CN214661919U - Anti-leakage oil sealing structure at output flange plate of gearbox - Google Patents
Anti-leakage oil sealing structure at output flange plate of gearbox Download PDFInfo
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- CN214661919U CN214661919U CN202120793692.5U CN202120793692U CN214661919U CN 214661919 U CN214661919 U CN 214661919U CN 202120793692 U CN202120793692 U CN 202120793692U CN 214661919 U CN214661919 U CN 214661919U
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Abstract
The utility model provides a gearbox output flange dish department prevent leakage oil seal structure is equipped with the sealing washer between output shaft and the odometer rotor through in the gearbox, and the shutoff lubricating oil flows out in odometer rotor and the output shaft clearance in the gearbox, has improved the sealed effect to lubricating oil in the gearbox greatly, avoids the problem that the oil leakage appears after lubricating oil passes through the inboard of ring flange, reduces lubricating oil effectively and oozes in passing through the epaxial involute spline clearance of output.
Description
Technical Field
The utility model relates to a gearbox seals technical field, specifically is a gearbox output ring flange department's antiseep oil seal structure.
Background
Seal through the oil blanket between the back bearing cap of current gearbox output and the flange dish end, but the oil blanket only plays a role to the sealed of the flange dish outside, because lubricating oil in the gearbox oozes from the inboard of flange dish along the clearance of the involute spline of output shaft, so at present can't accomplish to seal the inside of flange dish, and in the output of gearbox, the clearance seepage that lubricating oil passes through the involute spline of output shaft is in the inboard of flange dish, the sealed effect of the gearbox that can influence greatly, long-term seepage can lead to the machine impaired.
SUMMERY OF THE UTILITY MODEL
The inboard problem that has the oil leakage oil of ring flange in to the gearbox among the prior art, the utility model provides a gearbox output flange dish department's antiseep oil seal structure, this simple structure, convenient operation, the effectual sealed effect that has improved the gearbox to effectual reply flange dish holds inboard oil leakage oil problem.
The utility model discloses a realize through following technical scheme:
an anti-leakage oil sealing structure at an output flange of a gearbox comprises a gearbox rear bearing cover assembled at the rear end of the gearbox, an output shaft assembled in the gearbox and a flange assembled on the output shaft; the output end of the output shaft is exposed outside the gearbox through a rear bearing cover of the gearbox, the flange plate is assembled at the output end of the output shaft and is pressed and buckled on the rear bearing cover of the gearbox, an odometer rotor is sleeved in the rear bearing cover of the gearbox, and the odometer rotor is sleeved on the output shaft and is in clearance fit with the output shaft; and a sealing ring is arranged between the output shaft and the clearance of the odometer rotor.
Preferably, the flange plate is inserted into a rear bearing cover of the gearbox and axially pressed against the odometer rotor.
Preferably, the output end of the output shaft is arranged in the flange plate in a clearance fit mode.
Preferably, the output shaft is provided with a groove ring along the circumferential direction, the groove ring is arranged on the output shaft corresponding to the position of the odometer rotor, and the sealing ring is sleeved in the groove ring.
Further, the groove rings are arranged in line along the axial direction of the output shaft.
Furthermore, the distance between the bottom of the groove ring and the odometer rotor corresponds to the thickness of the sealing ring.
Furthermore, the width of the groove ring is set corresponding to the thickness of the sealing ring.
Preferably, the output end of the output shaft is connected with the inner connecting end of the flange plate through a spline.
Preferably, an oil seal is arranged between the outer side of the flange plate and the inner side of the rear bearing cover of the gearbox.
Preferably, the sealing ring is made of rubber.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model provides a gearbox output flange dish department prevent leakage oil seal structure is equipped with the sealing washer between output shaft and the odometer rotor through in the gearbox, and the shutoff lubricating oil flows out in odometer rotor and the output shaft clearance in the gearbox, has improved the sealed effect to lubricating oil in the gearbox greatly, avoids the problem that the oil leakage appears after lubricating oil passes through the inboard of ring flange, reduces lubricating oil effectively and oozes in passing through the epaxial involute spline clearance of output.
Furthermore, the flange plate is inserted into a rear bearing cover of the gearbox and axially presses the setting of the odometer rotor, so that the assembly tightness of the gearbox inner assembly is improved.
Furthermore, the output end of the output shaft is arranged in the flange plate in a clearance fit mode, so that the flange plate can be conveniently mounted and dismounted on the output shaft.
Further, be equipped with the groove ring along circumference on the output shaft, the position setting that the groove ring corresponds the odometer rotor on the output shaft, and the sealing washer overlaps in the groove ring, and the groove ring has improved fixed mounting's position for the sealing washer, avoids the sealing washer to make a round trip to swing between output shaft and odometer rotor, influences sealed effect.
Furthermore, the groove rings are arranged along the axial direction of the output shaft, so that the multilayer sealing is facilitated, the sealing effect is greatly improved, and lubricating oil is prevented from seeping out from gaps of the involute splines on the output shaft when the groove rings are used for a long time.
Furthermore, the distance between the bottom of the groove ring and the odometer rotor corresponds to the thickness of the sealing ring, the width of the groove ring corresponds to the thickness of the sealing ring, the sealing ring is convenient to assemble in the groove ring, and the sealing performance between the output shaft and the odometer rotor is improved.
Furthermore, the output end of the output shaft is connected with the inner side connecting end of the flange plate through a spline, so that the connectivity between the output shaft and the flange plate is improved.
Furthermore, an oil seal is arranged between the outer side of the flange plate and the inner side of the rear bearing cover of the gearbox, so that the sealing performance between the outer side of the flange plate and the inner side of the rear bearing cover of the gearbox is effectively improved.
Furthermore, the sealing ring is made of rubber, so that the sealing effect is greatly improved, and the leakage of lubricating oil through gaps of involute splines on the output shaft is effectively reduced.
Drawings
Fig. 1 is the utility model discloses the antiseep oil seal structure sketch map of gearbox output flange dish department.
Fig. 2 is the utility model discloses in embodiment 3 gearbox output flange dish department prevent leakage oil seal structure sketch map.
In the figure: 1-an output shaft; 2-sealing ring; 3-an odometer rotor; 4-a flange plate; 5-gearbox rear bearing cap; 6-oil sealing.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings, which are provided for purposes of illustration and not limitation.
The utility model provides an anti-leakage oil sealing structure at the output flange of a gearbox, as shown in figure 1, comprising a gearbox rear bearing cover 5 assembled at the rear end of the gearbox, an output shaft 1 assembled in the gearbox and a flange 4 assembled on the output shaft 1; the output end of the output shaft 1 is exposed outside the gearbox through a gearbox rear bearing cover 5, the flange plate 4 is assembled at the output end of the output shaft 1 and is pressed and buckled on the gearbox rear bearing cover 5, an odometer rotor 3 is sleeved in the gearbox rear bearing cover 5, and the odometer rotor 3 is sleeved on the output shaft 1 and is in clearance fit with the output shaft 1; and a sealing ring 2 is arranged between the output shaft 1 and the odometer rotor 3.
The flange plate 4 is inserted into the rear bearing cover 5 of the gearbox and axially presses the odometer rotor 3, so that the assembly tightness of the gearbox is improved.
The output end of the output shaft 1 is arranged in the flange plate 4 in a clearance fit manner, so that the flange plate 4 can be conveniently mounted and dismounted on the output shaft 1.
Be equipped with the groove ring along circumference on output shaft 1, the position setting that the groove ring is corresponding to odometer rotor 3 on output shaft 1, 2 covers in the groove ring of sealing washer, and the groove ring has improved fixed mounting's position for sealing washer 2, avoids sealing washer 2 to make a round trip to swing between output shaft 1 and odometer rotor 3, influences sealed effect.
The recess ring is arranged along output shaft 1's axial direction and is set up, and the multilayer of being convenient for is sealed, great improvement sealed effect, lubricating oil oozes in through the involute spline clearance on the output shaft 1 when avoiding long-term the use.
The distance between the bottom of the groove ring and the odometer rotor 3 is set corresponding to the thickness of the sealing ring 2; the width of the groove ring corresponds to the thickness of the sealing ring 2, so that the sealing ring 2 is convenient to assemble in the groove ring, and the sealing performance between the output shaft 1 and the odometer rotor 3 is improved.
The output end of the output shaft 1 is connected with the inner side connecting end of the flange plate 4 through a spline, so that the connectivity between the output shaft 1 and the flange plate 4 is improved.
An oil seal 6 is arranged between the outer side of the flange plate 4 and the inner side of the rear bearing cover 5 of the gearbox, so that the sealing performance between the outer side of the flange plate 4 and the inner side of the rear bearing cover 5 of the gearbox is effectively improved.
The utility model provides a 2 materials of sealing washer adopt rubber, have improved sealed effect greatly, reduce lubricating oil effectively and ooze in passing through the involute spline clearance on the output shaft.
Example 1
The utility model provides a leak protection oil seal structure of gearbox output flange dish department, when using, on output shaft 1 and round processing groove ring on output shaft 1's the circumferential direction, groove ring position is in installation odometer rotor department in gearbox rear bearing cap 5, at the during operation, the cover is equipped with a sealing washer 2 in this groove ring department, this sealing washer 2 has carried out the shutoff between output shaft and the odometer rotor 3 in the gearbox, avoid lubricating oil to flow out between odometer rotor 3 and the output shaft 1 in the gearbox, fundamentally has solved the inboard trouble problem that seepage lubricating oil appears of flange dish end, be equipped with oil blanket 6 between the outside of flange dish 4 and the inboard of gearbox rear bearing cap 5, the effectual leakproofness between the inboard of bearing cap 5 behind flange dish 4 outside and the gearbox that has improved.
Example 2
The utility model provides an anti-leakage oil sealing structure at the output flange of a gear box, when in use, a groove ring is processed on the output shaft 1 in the circumferential direction around the output shaft 1, the position of the groove ring is positioned at the position where an odometer rotor is arranged in a rear bearing cover 5 of the gearbox, a sealing ring 2 is fixedly arranged at the position of the groove ring to form an inner side sealing element, when the sealing ring works, the inner side sealing element seals between the output shaft in the gearbox and the odometer rotor 3, prevents lubricating oil in the gearbox from flowing out from between the odometer rotor 3 and the output shaft 1, fundamentally solves the fault problem that the lubricating oil leaks from the inner side of the flange end, an oil seal 6 is arranged between the outer side of the flange plate 4 and the inner side of the rear bearing cover 5 of the gearbox, so that the sealing performance between the outer side of the flange plate 4 and the inner side of the rear bearing cover 5 of the gearbox is effectively improved.
Example 3
The utility model provides a leak protection oil seal structure of gearbox output flange disk department, when using, process the groove ring on output shaft 1 and round the circumference direction of output shaft 1, wherein the groove ring arranges along the axial direction of output shaft 1 to form groove ring group, the groove ring group position is in the installation odometer rotor department in gearbox rear bearing cap 5, when working, each groove ring department cover in this groove ring group is equipped with a sealing ring 2 to form the sealing layer, as shown in figure 2, the sealing layer seals between output shaft and odometer rotor 3 in the gearbox, avoid lubricating oil in the gearbox to flow out from between odometer rotor 3 and output shaft 1, fundamentally solved the trouble problem that the inboard of flange disk end leaks lubricating oil, be equipped with oil blanket 6 between the outside of flange disk 4 and the inboard of gearbox rear bearing cap 5, the sealing performance between the outer side of the flange plate 4 and the inner side of the rear bearing cover 5 of the gearbox is effectively improved.
The utility model provides a leak protection oil seal structure of gearbox output ring flange department no matter is to the ring flange outside and inboard all provided effectual sealed effect, and the trouble problem of oil leakage appears in coming both sides inside and outside the ring flange end that fundamentally solved, reduces lubricating oil effectively and oozes in passing through the epaxial involute spline clearance of output.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Any simple modifications, changes and equivalent changes made to the above embodiments according to the technical spirit of the present invention all fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. An anti-leakage oil sealing structure at an output flange of a gearbox is characterized by comprising a gearbox rear bearing cover (5) assembled at the rear end of the gearbox, an output shaft (1) assembled in the gearbox and a flange (4) assembled on the output shaft (1); the output end of the output shaft (1) is exposed outside the gearbox through a gearbox rear bearing cover (5), the flange plate (4) is assembled at the output end of the output shaft (1) and is pressed and buckled on the gearbox rear bearing cover (5), an odometer rotor (3) is sleeved in the gearbox rear bearing cover (5), and the odometer rotor (3) is sleeved on the output shaft (1) and is in clearance fit with the output shaft (1); and a sealing ring (2) is arranged between the output shaft (1) and the clearance of the odometer rotor (3).
2. The structure of claim 1, characterized in that the flange (4) is inserted into the rear bearing cover (5) of the transmission and axially pressed against the odometer rotor (3).
3. The structure of claim 1, wherein the output end of the output shaft (1) is arranged in the flange (4) in a clearance fit manner.
4. The anti-leakage oil sealing structure at the output flange of the gearbox is characterized in that a groove ring is arranged on the output shaft (1) along the circumferential direction, the groove ring is arranged on the output shaft (1) corresponding to the position of the odometer rotor (3), and the sealing ring (2) is sleeved in the groove ring.
5. A leak-proof oil seal arrangement at a transmission output flange plate according to claim 4, characterized in that the groove rings are arranged in line along the axial direction of the output shaft (1).
6. The structure of claim 4, wherein the distance between the bottom of the groove ring and the odometer rotor (3) is set corresponding to the thickness of the sealing ring (2).
7. The structure of claim 4, wherein the width of the groove ring inside the groove is set to correspond to the thickness of the sealing ring (2).
8. The anti-leakage oil sealing structure at the output flange of the gearbox according to claim 1, wherein the output end of the output shaft (1) is connected with the inner connecting end of the flange (4) through a spline.
9. The structure of claim 1, wherein an oil seal (6) is provided between the outer side of the flange (4) and the inner side of the rear bearing cover (5) of the transmission.
10. The anti-leakage oil sealing structure at the output flange of the transmission according to claim 1, wherein the sealing ring (2) is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120793692.5U CN214661919U (en) | 2021-04-16 | 2021-04-16 | Anti-leakage oil sealing structure at output flange plate of gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120793692.5U CN214661919U (en) | 2021-04-16 | 2021-04-16 | Anti-leakage oil sealing structure at output flange plate of gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214661919U true CN214661919U (en) | 2021-11-09 |
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ID=78464199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120793692.5U Active CN214661919U (en) | 2021-04-16 | 2021-04-16 | Anti-leakage oil sealing structure at output flange plate of gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214661919U (en) |
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2021
- 2021-04-16 CN CN202120793692.5U patent/CN214661919U/en active Active
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