CN213871037U - Sealing structure of driving shaft - Google Patents
Sealing structure of driving shaft Download PDFInfo
- Publication number
- CN213871037U CN213871037U CN202022295677.6U CN202022295677U CN213871037U CN 213871037 U CN213871037 U CN 213871037U CN 202022295677 U CN202022295677 U CN 202022295677U CN 213871037 U CN213871037 U CN 213871037U
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- China
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- drive shaft
- dustproof cover
- sealing ring
- speed reducer
- driving shaft
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Abstract
The utility model provides a driving shaft sealing structure applied to the technical field of automobile parts, which comprises a driving shaft dustproof cover (1) and a speed reducer sealing ring (2), wherein the driving shaft dustproof cover (1) comprises a dustproof cover outer side surface (3) and a dustproof cover inner side surface (4), the speed reducer sealing ring (2) comprises a sealing ring outer side surface (5), sealing washer medial surface I (6), sealing washer medial surface II (7), dust cover lateral surface (3) of drive shaft dust cover (1) and sealing washer lateral surface (5) of speed reducer seal circle (2) are the face contact structure, drive shaft seal structure, can be through the change to the contact cooperation structure of drive shaft dust cover with the speed reducer seal circle, prevented that debris from getting into in the dust cover of drive shaft, improve the sealing performance of speed reducer, improve the security and the life that the drive shaft used.
Description
Technical Field
The utility model belongs to the technical field of automobile parts, more specifically say, relate to a drive shaft seal structure.
Background
The drive shaft shield and the reducer dustproof ring in the prior art are in line sealing for dust blocking, and the high-precision requirement of the upper matching surface of the drive shaft shield is difficult to achieve, so that the problem of poor sealing effect can occur, or the sealing ring of the reducer is damaged due to frequent abrasion, so that sundries and the like enter the sealing surface of the reducer and the drive shaft, the reducer and the sealing ring of the drive shaft are damaged due to abrasion and corrosion for too long time, the risk of oil leakage of the reducer is caused, and the normal use is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: to prior art's not enough, provide a simple structure, can be through the change to the contact cooperation structure of drive shaft shield with the speed reducer sealing washer, effectively prevented in debris get into the shield of drive shaft, improve the sealing performance of speed reducer, improve the security and the life's of drive shaft use drive shaft seal structure.
To solve the technical problem, the utility model discloses the technical scheme who takes does:
the utility model relates to a drive shaft seal structure, including drive shaft shield, speed reducer seal circle, the drive shaft shield includes shield lateral surface and shield medial surface, and speed reducer seal circle includes sealing washer lateral surface, sealing washer medial surface I, sealing washer medial surface II, and the shield lateral surface of drive shaft shield and speed reducer seal circle's sealing washer lateral surface are face contact structure.
The drive shaft sealing structure further comprises a drive shaft moving joint, the drive shaft dustproof cover is of an annular structure, the drive shaft dustproof cover is sleeved on the dustproof cover mounting position of the drive shaft moving joint, and the dustproof cover mounting position is of an L-shaped structure.
The speed reducer sealing ring of the driving shaft sealing structure is of an annular structure, the speed reducer sealing ring is sleeved on the sealing ring mounting position of the driving shaft moving joint, and the speed reducer sealing ring is of a structure capable of being clamped in the mounting groove of the sealing ring mounting position.
The sealing ring inner side surface I and the sealing ring inner side surface II of the speed reducer sealing ring of the driving shaft sealing structure are attached to the sealing ring mounting position of the driving shaft moving joint.
The driving shaft dustproof cover further comprises a dustproof cover bottom surface, and the dustproof cover outer side surface, the dustproof cover bottom surface and the dustproof cover inner side surface of the driving shaft dustproof cover are of U-shaped structures.
The outer side surface of a sealing ring of the speed reducer sealing ring of the driving shaft sealing structure and the inner side surface I of the sealing ring are arranged to be of a splayed structure in section.
The outer side surface of the dust cover of the drive shaft dust cover, the bottom surface of the dust cover and the inner side surface of the dust cover are of an integrated structure.
When the driving shaft dustproof cover is sleeved on the dustproof cover mounting position of the driving shaft movable joint, the bottom surface of the dustproof cover of the driving shaft dustproof cover is attached to the bottom surface of the dustproof cover mounting position, and the inner side surface of the dustproof cover of the driving shaft dustproof cover is attached to the dustproof cover mounting boss of the dustproof cover mounting position.
Adopt the technical scheme of the utility model, can obtain following beneficial effect:
drive shaft seal structure, change drive shaft shield and speed reducer sealing washer's contact cooperation structure, drive shaft shield and speed reducer sealing washer all suit are on the drive shaft movable section, and the drive shaft movable section realizes radial and axial positioning to the drive shaft shield simultaneously, speed reducer sealing washer then clamps in the mounting groove on the drive shaft movable section, realizes axial and radial positioning equally. Then, the sealing washer lateral surface of speed reducer sealing washer extends to in the drive shaft shield to overlap with shield lateral surface part, both reliably laminate, realize the face contact. Like this, change the cooperation of drive shaft cover shield and speed reducer sealing washer into the face cooperation, even the precision appears inadequately in the drive shaft shield fitting surface, also can not make the bad phenomenon of sealing appear between drive shaft shield and the speed reducer sealing washer to in debris will not get into the shield, increased the speed reducer with the leakproofness of drive shaft, reduced the oil leak risk of speed reducer. Drive shaft seal structure, can be through the change to the contact cooperation structure of drive shaft shield and speed reducer sealing washer, prevented that debris from getting into in the shield of drive shaft, improve the sealing performance of speed reducer, improve security and the life that the drive shaft used.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
fig. 1 is a schematic structural view of a sealing structure of a driving shaft according to the present invention;
in the drawings, the reference numbers are respectively: 1. a drive shaft dust cover; 2. a speed reducer sealing ring; 3. the outer side surface of the dust cover; 4. the inner side surface of the dust cover; 5. the outer side surface of the sealing ring; 6. the inner side surface I of the sealing ring; 7. the inner side surface II of the sealing ring; 8. a drive shaft moving section; 9. a dust cover mounting position; 10. a sealing ring mounting position; 11. a dust cover bottom surface; 12. the dustproof cover is arranged on the bottom surface; 13. the dustproof cover is provided with a boss; 14. and installing a groove.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings, wherein the embodiments of the present invention are described in detail with reference to the accompanying drawings, for example, the shapes, structures, mutual positions and connection relations of the components, the functions and operation principles of the components, and the like:
as shown in the accompanying drawing 1, the utility model relates to a drive shaft seal structure, including drive shaft shield 1, speed reducer seal circle 2, drive shaft shield 1 includes shield lateral surface 3 and shield medial surface 4, and speed reducer seal circle 2 includes sealing washer lateral surface 5, sealing washer medial surface I6, sealing washer medial surface II 7, and the shield lateral surface 3 of drive shaft shield 1 and the sealing washer lateral surface 5 of speed reducer seal circle 2 are the face contact structure. Above-mentioned structure changes drive shaft shield 1 and reducer seal circle 2's contact cooperation structure, and drive shaft shield 1 and reducer seal circle 2 all suit are on the drive shaft movable joint, and the drive shaft movable joint realizes radial and axial positioning to drive shaft shield 1 simultaneously, and reducer seal circle 2 then clamps in the mounting groove on the drive shaft movable joint, realizes axial and radial positioning equally. Then, the outer side surface 5 of the sealing ring of the speed reducer 2 extends into the dust cover 1 of the driving shaft and is partially overlapped with the outer side surface 3 of the dust cover, and the two are reliably attached to realize surface contact. Like this, change the cooperation of drive shaft cover shield and speed reducer sealing washer into the face cooperation, even the precision appears inadequately in the drive shaft shield fitting surface, also can not make the bad phenomenon of sealing appear between drive shaft shield and the speed reducer sealing washer to in debris will not get into the shield, increased the speed reducer with the leakproofness of drive shaft, reduced the oil leak risk of speed reducer. Drive shaft seal structure, simple structure, low in manufacturing cost can effectively prevent in debris gets into the shield of drive shaft through the change to the contact cooperation structure of drive shaft shield with the speed reducer sealing washer, improve the sealing performance of speed reducer, improve security and the life that the drive shaft used.
The drive shaft sealing structure further comprises a drive shaft moving section 8, the drive shaft dustproof cover 1 is of an annular structure, the drive shaft dustproof cover 1 is sleeved on a dustproof cover mounting position 9 of the drive shaft moving section 8, and the dustproof cover mounting position 9 is of an L-shaped structure. Above-mentioned structure, 9 reliable plays installation and limiting displacement to the drive shaft shield in shield installation position, is convenient for and the speed reducer sealing washer cooperation, realizes sealedly. The speed reducer sealing ring 2 of the driving shaft sealing structure is of an annular structure, the speed reducer sealing ring 2 is sleeved on the sealing ring mounting position 10 of the driving shaft moving joint 8, and the speed reducer sealing ring is of a structure capable of being clamped in the mounting groove 14 of the sealing ring mounting position. Above-mentioned structure, sealing washer installation position 10 reliably plays installation and limiting displacement to the speed reducer sealing washer, is convenient for and drive shaft shield cooperation, realizes sealedly, effectively prevents that debris from getting into.
The inner side surface I6 of the sealing ring and the inner side surface II 7 of the sealing ring 2 of the speed reducer of the sealing structure of the driving shaft are attached to a sealing ring mounting position 10 of a driving shaft moving joint 8. Above-mentioned structure, the laminating of sealing washer medial surface I6, sealing washer medial surface II 7 and sealing washer installation position, on the one hand, plays sealed effect, and on the other hand plays supporting role to sealing washer lateral surface 5 for sealing washer lateral surface 5 reliably laminates with shield lateral surface 3, improves the laminating compactness.
The drive shaft dust cover 1 further comprises a dust cover bottom surface 11, and the dust cover outer side surface 3, the dust cover bottom surface 11 and the dust cover inner side surface 4 of the drive shaft dust cover 1 are of U-shaped structures. The outer side face 3 of the dust cover of the driving shaft dust cover 1, the bottom face 11 of the dust cover and the inner side face 4 of the dust cover are of an integrated structure. Above-mentioned structure, drive shaft shield 1 integrated into one piece makes, can reliably overlap the suit at shield installation position 9, uses with the cooperation of speed reducer sealing washer.
The outer side surface 5 of the sealing ring and the inner side surface I6 of the sealing ring of the speed reducer 2 of the sealing structure of the driving shaft are arranged to be of a splayed structure in section. When the driving shaft dust cover 1 is sleeved on the dust cover mounting position 9 of the driving shaft moving joint 8, the dust cover bottom surface 11 of the driving shaft dust cover 1 is attached to the dust cover mounting bottom surface 12 of the dust cover mounting position 9, and the dust cover inner side surface 4 of the driving shaft dust cover 1 is attached to the dust cover mounting boss 13 of the dust cover mounting position 9.
Drive shaft seal structure, change drive shaft shield and speed reducer sealing washer's contact cooperation structure, drive shaft shield and speed reducer sealing washer all suit are on the drive shaft movable section, and the drive shaft movable section realizes radial and axial positioning to the drive shaft shield simultaneously, speed reducer sealing washer then clamps in the mounting groove on the drive shaft movable section, realizes axial and radial positioning equally. Then, the sealing washer lateral surface of speed reducer sealing washer extends to in the drive shaft shield to overlap with shield lateral surface part, both reliably laminate, realize the face contact. Like this, change the cooperation of drive shaft cover shield and speed reducer sealing washer into the face cooperation, even the precision appears inadequately in the drive shaft shield fitting surface, also can not make the bad phenomenon of sealing appear between drive shaft shield and the speed reducer sealing washer to in debris will not get into the shield, increased the speed reducer with the leakproofness of drive shaft, reduced the oil leak risk of speed reducer. Drive shaft seal structure, can be through the change to the contact cooperation structure of drive shaft shield and speed reducer sealing washer, prevented that debris from getting into in the shield of drive shaft, improve the sealing performance of speed reducer, improve security and the life that the drive shaft used.
The present invention has been described in detail with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the present invention can be implemented in various ways without modification, and the present invention is not limited by the above embodiments.
Claims (8)
1. A drive shaft sealing structure characterized in that: the novel driving shaft dustproof cover comprises a driving shaft dustproof cover (1) and a speed reducer sealing ring (2), wherein the driving shaft dustproof cover (1) comprises a dustproof cover outer side surface (3) and a dustproof cover inner side surface (4), the speed reducer sealing ring (2) comprises a sealing ring outer side surface (5), a sealing ring inner side surface I (6) and a sealing ring inner side surface II (7), and the dustproof cover outer side surface (3) of the driving shaft dustproof cover (1) and the sealing ring outer side surface (5) of the speed reducer sealing ring (2) are of a surface contact structure.
2. The drive shaft sealing structure according to claim 1, wherein: the drive shaft sealing structure further comprises a drive shaft moving section (8), the drive shaft dustproof cover (1) is of an annular structure, the drive shaft dustproof cover (1) is sleeved on a dustproof cover mounting position (9) of the drive shaft moving section (8), and the dustproof cover mounting position (9) is of an L-shaped structure.
3. The drive shaft sealing structure according to claim 1 or 2, wherein: the speed reducer sealing ring (2) of the driving shaft sealing structure is of an annular structure, the speed reducer sealing ring (2) is sleeved on a sealing ring mounting position (10) of the driving shaft moving joint (8), and the speed reducer sealing ring (2) is of a structure capable of being clamped in a mounting groove (14) of the sealing ring mounting position (10).
4. The drive shaft sealing structure according to claim 1 or 2, wherein: a sealing ring inner side surface I (6) and a sealing ring inner side surface II (7) of a speed reducer sealing ring (2) of the driving shaft sealing structure are attached to a sealing ring mounting position (10) of a driving shaft moving joint (8).
5. The drive shaft sealing structure according to claim 1 or 2, wherein: the drive shaft dust cover (1) further comprises a dust cover bottom surface (11), and the dust cover outer side surface (3), the dust cover bottom surface (11) and the dust cover inner side surface (4) of the drive shaft dust cover (1) are of U-shaped structures.
6. The drive shaft sealing structure according to claim 1 or 2, wherein: the sealing ring outer side surface (5) and the sealing ring inner side surface I (6) of the speed reducer sealing ring (2) of the driving shaft sealing structure are arranged to be of a splayed structure in section.
7. The drive shaft sealing structure according to claim 5, wherein: the dustproof cover outer side surface (3), the dustproof cover bottom surface (11) and the dustproof cover inner side surface (4) of the driving shaft dustproof cover (1) are of an integrated structure.
8. The drive shaft sealing structure according to claim 5, wherein: when the driving shaft dustproof cover (1) is sleeved on the dustproof cover mounting position (9) of the driving shaft movable joint (8), the dustproof cover bottom surface (11) of the driving shaft dustproof cover (1) is attached to the dustproof cover mounting bottom surface (12) of the dustproof cover mounting position (9), and the dustproof cover inner side surface (4) of the driving shaft dustproof cover (1) is attached to the dustproof cover mounting boss (13) of the dustproof cover mounting position (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022295677.6U CN213871037U (en) | 2020-10-15 | 2020-10-15 | Sealing structure of driving shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022295677.6U CN213871037U (en) | 2020-10-15 | 2020-10-15 | Sealing structure of driving shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213871037U true CN213871037U (en) | 2021-08-03 |
Family
ID=77072726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022295677.6U Active CN213871037U (en) | 2020-10-15 | 2020-10-15 | Sealing structure of driving shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213871037U (en) |
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2020
- 2020-10-15 CN CN202022295677.6U patent/CN213871037U/en active Active
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