CN220770098U - Sealing structure of speed reducer - Google Patents
Sealing structure of speed reducer Download PDFInfo
- Publication number
- CN220770098U CN220770098U CN202322682610.1U CN202322682610U CN220770098U CN 220770098 U CN220770098 U CN 220770098U CN 202322682610 U CN202322682610 U CN 202322682610U CN 220770098 U CN220770098 U CN 220770098U
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- China
- Prior art keywords
- sealing
- sealed cowling
- cover
- groove
- reduction gear
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- 238000007789 sealing Methods 0.000 title claims abstract description 110
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 29
- 239000003921 oil Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- General Details Of Gearings (AREA)
Abstract
The utility model discloses a sealing structure of a speed reducer, which belongs to the technical field of speed reducers, and has the technical scheme that: including reduction gear main part and axis body, be provided with the bearing between reduction gear main part and the axis body, the outside cover of bearing is equipped with the sealed cowling, and the sealed cowling can dismantle with the reduction gear main part and be connected, be provided with the bulge loop on the terminal surface of reduction gear main part, the outside of bulge loop is located to the sealed cowling cover, be provided with sealing washer one between bulge loop and the sealed cowling, the axis body wears to locate the sealed cowling, the holding tank has been seted up on the sealed cowling, be provided with sealing washer two in the holding tank, and the outside of axis body is located to sealing washer two cover, can dismantle on the sealed cowling and be connected with the stopper, the stopper is used for spacing to sealing washer two, this seal structure dismantles conveniently, and sealed effectual.
Description
Technical Field
The utility model belongs to the technical field of speed reducers, and particularly relates to a sealing structure of a speed reducer.
Background
The phenomenon of oil leakage can often appear in the axis body position of reduction gear, and the oil leakage can not only cause environmental pollution and great economic loss, and the reduction gear can lead to gear and bearing wearing and tearing because of lubricating oil is not enough even under the serious circumstances of oil leakage, makes the life of reduction gear reduce, and consequently the axis body department of reduction gear usually is equipped with seal structure, and current seal structure adopts the oil blanket generally, solves the problem of oil leakage through the oil blanket, but along with the increase of using time length, needs to change the oil blanket, but because the space between reduction gear and the axis body is narrow and small, leads to the dismantlement inconvenience of oil blanket, consequently need a convenient seal structure of dismantlement urgently.
Disclosure of Invention
The present utility model has been made to solve the above-mentioned problems occurring in the prior art, and an object of the present utility model is to provide a sealing structure of a decelerator, which has the advantage of convenient disassembly.
The technical aim of the utility model can be achieved by the following technical scheme: the utility model provides a seal structure of reduction gear, includes reduction gear main part and axis body, the reduction gear main part with be provided with the bearing between the axis body, the outside cover of bearing is equipped with the sealed cowling, just the sealed cowling with the connection can be dismantled to the reduction gear main part, be provided with the bulge loop on the terminal surface of reduction gear main part, the sealed cowling cover is located the outside of bulge loop, the bulge loop with be provided with sealing washer one between the sealed cowling, the axis body wears to locate the sealed cowling, the holding tank has been seted up on the sealed cowling, be provided with sealing washer two in the holding tank, just the outside of axis body is located to sealing washer two cover, can dismantle on the sealed cowling and be connected with the stopper, the stopper is used for right sealing washer two is spacing.
In the above-mentioned sealing structure of the speed reducer, the sealing cover is connected with the speed reducer body through a plurality of bolts one.
In the above sealing structure of the speed reducer, an annular groove is formed in the sealing cover, and the convex ring is inserted into the annular groove.
In the above sealing structure of a speed reducer, the first sealing ring is disposed in the annular groove.
In the above-mentioned sealing structure of the speed reducer, the sealing cover is connected with the limiting block through a plurality of bolts II.
In the above-mentioned sealing structure of the speed reducer, a positioning groove is formed in the sealing cover, a positioning block is formed in the limiting block, and the positioning block is inserted into the positioning groove.
In the above-mentioned sealing structure of the speed reducer, the first sealing ring is provided with a sealing protrusion, the bottom of the annular groove is provided with a sealing groove, and the sealing protrusion is inserted into the sealing groove.
In the above-mentioned sealing structure of the speed reducer, the second sealing ring is provided with a positioning protrusion, the accommodating groove is provided with a positioning groove, and the positioning protrusion is inserted into the positioning groove.
In the above-mentioned sealing structure of the speed reducer, gaps exist between the sealing cover and the shaft body and between the limiting block and the shaft body.
In summary, compared with the prior art, the utility model has the following beneficial effects:
1. the sealing cover is matched with the convex ring to seal the matching area of the bearing and the shaft body, the sealing ring is used for sealing the convex ring and the sealing cover, the sealing ring is used for sealing the shaft body and the sealing cover, and the multiple sealing structure is arranged, so that the sealing effect is better.
Drawings
FIG. 1 is a cross-sectional view of an embodiment;
FIG. 2 is a schematic diagram of an embodiment;
fig. 3 is an enlarged view of a portion a of the embodiment.
Reference numerals: 1. a speed reducer body; 2. a shaft body; 3. a bearing; 4. a sealing cover; 5. a convex ring; 6. a first sealing ring; 7. a receiving groove; 8. a second sealing ring; 9. a limiting block; 10. a first bolt; 11. an annular groove; 12. a second bolt; 13. a positioning groove; 14. a positioning block; 15. a sealing protrusion; 16. sealing grooves; 17. positioning the bulge; 18. and positioning grooves.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
The sealing structure of the speed reducer comprises a speed reducer body 1 and a shaft body 2, wherein a bearing 3 is arranged between the speed reducer body 1 and the shaft body 2 as shown in fig. 1 to 3.
The outside cover of bearing 3 is equipped with sealed cowling 4, and shaft body 2 wears to locate sealed cowling 4, has the clearance between sealed cowling 4 and the shaft body 2 to avoid sealed cowling 4 to influence shaft body 2 rotation or because of the two friction and lead to shaft body 2 surface to appear wearing and tearing.
Be provided with bulge loop 5 on the terminal surface of reduction gear body 1, bulge loop 5 sets up with reduction gear body 1 is integrative, and the outside of bulge loop 5 is located to the cover seal 4 cover, seals the cooperation region of bearing 3 and axis body 2 through the cooperation of cover seal 4 and bulge loop 5 to this guarantees the leakproofness of bearing 3 and axis body 2 cooperation region.
The seal cover 4 is detachably connected with the speed reducer body 1, preferably, the seal cover 4 is connected with the speed reducer body 1 through a plurality of first bolts 10, the plurality of first bolts 10 are uniformly distributed along the circumferential direction, the first bolts 10 penetrate through the seal cover 4 to be in threaded connection with the speed reducer body 1, and when the speed reducer is detached, the connection between the seal cover 4 and the speed reducer body 1 can be released by removing the first bolts 10, so that the seal cover 4 is separated from the speed reducer body 1.
Be provided with ring channel 11 in the sealed cowling 4, bulge loop 5 inserts in ring channel 11, bulge loop 5 and ring channel 11 looks adaptation are provided with sealing washer one 6 between bulge loop 5 and the sealed cowling 4, specifically, sealing washer one 6 sets up in ring channel 11, seal between bulge loop 5 and the sealed cowling 4 through sealing washer one 6, preferably, sealing washer one 6 adopts wear-resisting rubber, wear-resisting rubber has elasticity, sealing washer one 6 can hug closely the inner wall of ring channel 11 and the terminal surface of bulge loop 5, thereby both can guarantee the stability of sealing washer one 6, can effectively improve the leakproofness between bulge loop 5 and the sealed cowling 4 again.
The sealing ring I6 is provided with the sealing bulge 15, the sealing bulge 15 and the sealing ring I6 are integrally arranged, the bottom of the annular groove 11 is provided with the sealing groove 16, the sealing bulge 15 is inserted into the sealing groove 16, and the sealing effect can be effectively improved through the cooperation of the sealing bulge 15 and the sealing groove 16.
The sealing cover 4 is provided with an accommodating groove 7, a second sealing ring 8 is arranged in the accommodating groove 7, the second sealing ring 8 is sleeved on the outer side of the shaft body 2, and the sealing cover 4 and the shaft body 2 are sealed through the second sealing ring 8.
The second sealing ring 8 is provided with a positioning bulge 17, the positioning bulge 17 is annular, a positioning groove 18 is formed in the accommodating groove 7, the positioning bulge 17 is matched with the positioning groove 18, the positioning bulge 17 is inserted into the positioning groove 18, and the stability of the second sealing ring 8 can be ensured through the cooperation of the positioning bulge 17 and the positioning groove 18.
The limiting block 9 is detachably connected to the sealing cover 4, preferably, the sealing cover 4 is connected with the limiting block 9 through the plurality of second bolts 12, the plurality of second bolts 12 are uniformly distributed along the circumferential direction, the second bolts 12 penetrate through the limiting block 9 and are in threaded connection with the sealing cover 4, gaps exist between the limiting block 9 and the shaft body 2, and therefore the phenomenon that the limiting block 9 affects rotation of the shaft body 2 or abrasion occurs on the surface of the shaft body 2 due to friction of the limiting block 9 is avoided.
The stopper 9 is used for spacing to sealing washer two 8, and specifically, the lower terminal surface of stopper 9 can be inconsistent with the up end of sealing washer two 8 to this realizes that stopper 9 is spacing to sealing washer two 8, thereby guarantees the stability of sealing washer two 8, guarantees that sealing washer two 8 is to the effective seal between sealing washer two 4 and the axis body 2, when needing to change sealing washer two 8, only need pull down bolt two 12, makes the stopper 9 and the connection of sealing washer 4 remove, thereby pull down stopper 9, can take out the sealing washer two 8 in the holding tank 7 and change, easy operation, it is convenient to dismantle.
The positioning groove 13 is formed in the sealing cover 4, the positioning block 14 is formed in the limiting block 9, the positioning block 14 is inserted into the positioning groove 13, the relative stability of the limiting block 9 and the sealing cover 4 can be guaranteed through the cooperation of the positioning block 14 and the positioning groove 13, the limiting block 9 and the sealing cover 4 are connected through the convenient installation bolt II 12, and the installation of the limiting block 9 is more convenient and quicker.
The sealing structure of the speed reducer has the following disassembly principle:
the first bolt 10 is detached, so that the connection between the seal cover 4 and the reducer body 1 is released, the seal cover 4, the first seal ring 6, the limiting block 9 and the second seal ring 8 can be simultaneously removed, the convex ring 5 is separated from the annular groove 11, the first seal ring 6 in the annular groove 11 can be taken out for replacement at the moment, the second bolt 12 is detached, the connection between the limiting block 9 and the seal cover 4 is released, the limiting block 9 is detached, and the second seal ring 8 in the accommodating groove 7 can be taken out for replacement at the moment.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model; those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (9)
1. A sealing structure of a speed reducer, which is characterized in that: including reduction gear main part (1) and axis body (2), reduction gear main part (1) with be provided with bearing (3) between axis body (2), the outside cover of bearing (3) is equipped with sealed cowling (4), just sealed cowling (4) with the connection can be dismantled to reduction gear main part (1), be provided with bulge loop (5) on the terminal surface of reduction gear main part (1), sealed cowling (4) cover is located the outside of bulge loop (5), bulge loop (5) with be provided with sealing washer one (6) between sealed cowling (4), axis body (2) wears to locate sealed cowling (4), set up holding tank (7) on sealed cowling (4), be provided with sealing washer two (8) in holding tank (7), just sealed cowling two (8) cover are located the outside of axis body (2), can dismantle on sealed cowling (4) and be connected with stopper (9), stopper (9) are used for right sealing washer two (8) are spacing.
2. A sealing structure of a decelerator according to claim 1, wherein: the sealing cover (4) is connected with the reducer main body (1) through a plurality of bolts (10).
3. A sealing structure of a decelerator according to claim 2, wherein: an annular groove (11) is formed in the sealing cover (4), and the convex ring (5) is inserted into the annular groove (11).
4. A seal structure of a decelerator according to claim 3, wherein: the first sealing ring (6) is arranged in the annular groove (11).
5. A sealing structure of a decelerator according to claim 1, wherein: the sealing cover (4) is connected with the limiting block (9) through a plurality of bolts II (12).
6. A sealing structure of a decelerator according to claim 1, wherein: the sealing cover (4) is provided with a positioning groove (13), the limiting block (9) is provided with a positioning block (14), and the positioning block (14) is inserted into the positioning groove (13).
7. The sealing structure of a decelerator according to claim 4, wherein: the sealing ring I (6) is provided with a sealing bulge (15), the bottom of the annular groove (11) is provided with a sealing groove (16), and the sealing bulge (15) is inserted into the sealing groove (16).
8. A sealing structure of a decelerator according to claim 1, wherein: the second sealing ring (8) is provided with a positioning protrusion (17), the accommodating groove (7) is internally provided with a positioning groove (18), and the positioning protrusion (17) is inserted into the positioning groove (18).
9. A sealing structure of a decelerator according to claim 1, wherein: gaps exist between the sealing cover (4) and the shaft body (2) and between the limiting block (9) and the shaft body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322682610.1U CN220770098U (en) | 2023-10-07 | 2023-10-07 | Sealing structure of speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322682610.1U CN220770098U (en) | 2023-10-07 | 2023-10-07 | Sealing structure of speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220770098U true CN220770098U (en) | 2024-04-12 |
Family
ID=90602760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322682610.1U Active CN220770098U (en) | 2023-10-07 | 2023-10-07 | Sealing structure of speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220770098U (en) |
-
2023
- 2023-10-07 CN CN202322682610.1U patent/CN220770098U/en active Active
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