CN220118607U - Sealing structure of gear box - Google Patents
Sealing structure of gear box Download PDFInfo
- Publication number
- CN220118607U CN220118607U CN202321396449.5U CN202321396449U CN220118607U CN 220118607 U CN220118607 U CN 220118607U CN 202321396449 U CN202321396449 U CN 202321396449U CN 220118607 U CN220118607 U CN 220118607U
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- sealing
- sealing ring
- box
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- gear
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- 238000007789 sealing Methods 0.000 title claims abstract description 86
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 abstract description 12
- 238000001125 extrusion Methods 0.000 abstract description 3
- 238000009751 slip forming Methods 0.000 abstract 1
- 230000007774 longterm Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- General Details Of Gearings (AREA)
- Sealing Devices (AREA)
Abstract
The utility model discloses a sealing structure of a gear box, which comprises a box body and a rotating shaft, wherein a gear cavity is arranged in the box body, a fixing groove is continuously formed in the left side of the gear cavity, a bearing is fixedly arranged in the fixing groove, the rotating shaft is arranged in the gear cavity on the box body through the bearing, a gear body is arranged on the rotating shaft in the gear cavity, a wear-resistant sleeve is sleeved outside the rotating shaft, an oil seal is sleeved on the outer wall of the wear-resistant sleeve, the wear-resistant sleeve and the oil seal are both arranged in the box body, and a sealing assembly is sleeved on the outer wall of the box body and is arranged on the left side of the wear-resistant sleeve and the oil seal. The sealing structure is convenient to replace the wear-resistant sleeve on the rotating shaft and ensure the tightness, the sealing assembly is fixedly arranged on the outer wall of the box body through the screw penetrating through the mounting hole, the fixation between the mounting ring and the box body is realized, and the spring between the first sealing ring and the second sealing ring has rebound extrusion force, so that the sealing is tighter, the subsequent maintenance of the gear box is facilitated, and the subsequent maintenance cost is reduced.
Description
Technical Field
The utility model relates to the technical field related to gearboxes, in particular to a sealing structure of a gearbox.
Background
The gear box is a core part in the mechanical industry, occupies a large part of the cost of the whole machine, and plays a vital role in the transmission system of the whole machine. Therefore, the performance and maintenance cost of the gearbox directly influence the performance and maintenance cost of the whole machine.
The rotating shaft oil seal of the gear box is in long-term use, oil leakage occurs at the oil seal due to abrasion failure of the shaft caused by long-term use, and the whole shaft needs to be replaced in the subsequent maintenance, so that the maintenance cost and time are increased, and the gear box sealing structure is provided to solve the problems.
Disclosure of Invention
The present utility model is directed to a sealing structure of a gear box, so as to solve the problems set forth in the background art.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a seal structure of gear box, includes box and pivot, be equipped with the gear chamber in the box, gear chamber left side continues to be equipped with the fixed slot, fixed slot internal fixation has the bearing, the pivot is installed through the bearing gear intracavity on the box, install the gear body in the pivot of gear intracavity, the pivot overcoat is equipped with wear-resisting cover, the cover is equipped with the oil blanket on the wear-resisting cover outer wall, inside box is all located to wear-resisting cover and oil blanket, seal assembly cover is established at the box outer wall and is located wear-resisting cover and oil blanket left side.
As a further preferable mode of the technical scheme, the left side of the box body is provided with a mounting cavity, the aperture of the mounting cavity is larger than the diameter of the rotating shaft, and one side of the oil seal is tightly attached to the bottom of the mounting cavity.
As the further preferred of this technical scheme, seal assembly includes collar, sealing ring one, buffer spring and sealing ring two, the one end fixedly connected with sealing ring one that the collar is close to the box, evenly fixedly connected with a plurality of groups buffer spring along annular array between sealing ring one and the sealing ring two, collar, sealing ring one and sealing ring two inner circles are all hugged closely at the pivot outer wall, the equal sliding connection of sealing ring one and sealing ring two outer lane is in the installation intracavity, collar outer lane diameter is greater than the installation cavity aperture.
As a further preferable mode of the technical scheme, the mounting ring is symmetrically provided with two mounting holes along the central line, and the sealing assembly is fixedly mounted on the outer wall of the box body through the screws penetrating through the mounting holes.
As a further preferable mode of the technical scheme, one end, close to the box body, of the second sealing ring is provided with a circle of sealing gasket.
The utility model provides a sealing structure of a gear box, which has the following beneficial effects:
the utility model is provided with the sealing structure, so that the wear-resistant sleeve on the rotating shaft is convenient to replace and the tightness of the wear-resistant sleeve is ensured, the sealing component is fixedly arranged on the outer wall of the box body through the screw penetrating through the mounting hole, when the wear-resistant sleeve is required to be replaced, the screw can be unscrewed to fix the sealing component and the box body, the first sealing ring and the second sealing ring are taken out from the mounting cavity, after the wear-resistant sleeve is replaced, the second sealing ring and the first sealing ring are sequentially slid into the mounting cavity, the screw penetrates through the mounting hole to be slowly screwed, the fixation between the mounting ring and the box body is realized, and the spring between the first sealing ring and the second sealing ring has rebound extrusion force, so that the sealing is tighter, the subsequent maintenance of the gearbox is convenient, and the subsequent maintenance cost is reduced.
Drawings
FIG. 1 is a perspective view of the overall structure of the present utility model;
FIG. 2 is a side cross-sectional view of the overall structure of the present utility model;
FIG. 3 is a schematic view of a seal assembly according to the present utility model;
fig. 4 is an enlarged schematic view of the structure at a in the present utility model.
In the figure: 1. a case; 2. a rotating shaft; 3. a gear body; 4. a bearing; 5. a wear-resistant sleeve; 6. an oil seal; 7. a seal assembly; 8. a screw; 11. a gear cavity; 12. a fixing groove; 13. a mounting cavity; 71. a mounting ring; 72. a first sealing ring; 73. a buffer spring; 74. a second sealing ring; 711. a mounting hole; 741. and a sealing gasket.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
The utility model provides the technical scheme that: the utility model provides a seal structure of gear box, as shown in fig. 1 and fig. 2, is a seal structure's overall structure schematic diagram of gear box, including box 1 and pivot 2, be equipped with gear chamber 11 in the box 1, gear chamber 11 left side continues to be equipped with fixed slot 12, fixed slot 12 internally mounted has bearing 4, pivot 2 passes through bearing 4 and installs in gear chamber 11 on box 1, install gear body 3 on pivot 2 in the gear chamber 11, pivot 2 overcoat is equipped with wear-resisting sleeve 5, the cover is equipped with oil blanket 6 on the wear-resisting sleeve 5 outer wall, wear-resisting sleeve 5 and oil blanket 6 all locate inside box 1, set up wear-resisting sleeve 5 with oil blanket 6 keep apart with pivot 2, oil blanket 6 is direct to be sealed with wear-resisting sleeve 5 contact, like this can reduce processing degree of difficulty, processing cycle and the processing cost of pivot 2, after wear-resisting sleeve 5 transition wear out, only need change new wear-resisting sleeve 5 can, make things convenient for the subsequent maintenance of gear box and reduce subsequent maintenance cost, seal assembly 7 cover is established and is located box 1 outer wall and is located and wear-resisting sleeve 5 and left side seal assembly 7 sets up the junction of seal assembly 1 and seal assembly 2.
In this embodiment, specific: as shown in fig. 2, the left side of the box 1 is provided with a mounting cavity 13, the aperture of the mounting cavity 13 is larger than the diameter of the rotating shaft 2, and one side of the oil seal 6 is tightly attached to the bottom of the mounting cavity 13.
In this embodiment, specific: as shown in fig. 3, the specific structure of the seal assembly 7 is schematically shown, the seal assembly 7 includes a mounting ring 71, a first sealing ring 72, a buffer spring 73 and a second sealing ring 74, one end of the mounting ring 71, which is close to the box 1, is fixedly connected with the first sealing ring 72, a plurality of groups of buffer springs 73 are uniformly and fixedly connected between the first sealing ring 72 and the second sealing ring 74 along an annular array, inner rings of the mounting ring 71, the first sealing ring 72 and the second sealing ring 74 are tightly attached to the outer wall of the rotating shaft 2, outer rings of the first sealing ring 72 and the second sealing ring 74 are slidably connected in the mounting cavity 13, and the diameter of the outer ring of the mounting ring 71 is larger than the aperture of the mounting cavity 13.
In this embodiment, specific: as shown in fig. 3, the mounting ring 71 is symmetrically provided with two mounting holes 711 along a central line, the sealing assembly 7 is fixedly mounted on the outer wall of the box body 1 through the mounting holes 711 penetrated by the bolts 8, when the wear-resistant sleeve 5 needs to be replaced, the bolts 8 can be unscrewed to fix the sealing assembly 7 and the box body 1, the first sealing ring 72 and the second sealing ring 74 are taken out from the mounting cavity 13, after the wear-resistant sleeve 5 is replaced, the second sealing ring 74 and the first sealing ring 72 are sequentially slid into the mounting cavity 13, the bolts 8 are slowly screwed through the mounting holes 711, the fixation between the mounting ring 71 and the box body 1 is realized, and the buffer spring 73 between the first sealing ring 72 and the second sealing ring 74 has rebound extrusion force, so that the sealing is tighter.
In this embodiment, specific: as shown in fig. 4, an enlarged schematic view of the structure a is shown, one end of the second sealing ring 74, which is close to the case 1, is provided with a ring of sealing gasket 741, and the sealing gasket 741 can strengthen the sealing effect of the sealing assembly 7 on the gear case.
In summary, the specific use method of the sealing structure of the gear box disclosed by the utility model is as follows:
the novel gear box seal structure of use is equipped with wear-resisting cover 5 through 2 overcoat in the pivot, the cover is equipped with oil blanket 6 on the wear-resisting cover 5 outer wall, inside box 1 is all located to wear-resisting cover 5 and oil blanket 6, set up wear-resisting cover 5 and keep apart oil blanket 6 and pivot 2, oil blanket 6 is direct sealed with wear-resisting cover 5 contact, can reduce the processing degree of difficulty of pivot 2 like this, processing cycle and processing cost, after wear-resisting cover 5 transition wearing and tearing inefficacy, only need change new wear-resisting cover 5 can, make things convenient for the subsequent maintenance of gear box and reduce subsequent maintenance cost, when needs change wear-resisting cover 5, can unscrew screw 8 and to seal the fixed between subassembly 7 and the box 1, take out sealing ring one 72 and sealing ring two 74 from installation cavity 13, after changing wear-resisting cover 5, slide sealing ring two 74 and sealing ring one 72 in proper order into installation cavity 13, slowly screw 8 passes in the mounting hole and tightens up, realize the fixing between installation ring 71 and box 1, and buffer spring 73 between sealing ring one 72 and sealing ring two 74 has the resilience, make the seal inseparabler.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a seal structure of gear box, includes box (1) and pivot (2), its characterized in that: be equipped with gear chamber (11) in box (1), gear chamber (11) left side continues to be equipped with fixed slot (12), fixed mounting has bearing (4) in fixed slot (12), pivot (2) are installed in gear chamber (11) on box (1) through bearing (4), install gear body (3) on pivot (2) in gear chamber (11), pivot (2) overcoat is equipped with wear-resisting cover (5), the cover is equipped with oil blanket (6) on wear-resisting cover (5) outer wall, inside box (1) is all located to wear-resisting cover (5) and oil blanket (6), box (1) outer wall cover is equipped with seal assembly (7), and seal assembly (7) locate wear-resisting cover (5) and oil blanket (6) left side.
2. A sealing structure of a gear box according to claim 1, characterized in that: the oil seal box is characterized in that an installation cavity (13) is formed in the left side of the box body (1), the aperture of the installation cavity (13) is larger than the diameter of the rotating shaft (2), and one side of the oil seal (6) is tightly attached to the bottom of the installation cavity (13).
3. A sealing structure of a gear box according to claim 2, characterized in that: the sealing assembly (7) comprises a mounting ring (71), a first sealing ring (72), buffer springs (73) and a second sealing ring (74), wherein the first sealing ring (72) is fixedly connected with one end, close to the box body (1), of the mounting ring (71), a plurality of groups of buffer springs (73) are uniformly and fixedly connected between the first sealing ring (72) and the second sealing ring (74) along an annular array, inner rings of the first sealing ring (71), the first sealing ring (72) and the second sealing ring (74) are tightly attached to the outer wall of the rotating shaft (2), outer rings of the first sealing ring (72) and the second sealing ring (74) are slidably connected in the mounting cavity (13), and the diameter of the outer ring of the mounting ring (71) is larger than the aperture of the mounting cavity (13).
4. A sealing arrangement for a gearbox according to claim 3, characterised in that: two mounting holes (711) are symmetrically formed in the mounting ring (71) along the central line, and the sealing assembly (7) is fixedly mounted on the outer wall of the box body (1) through screws (8) penetrating through the mounting holes (711).
5. A sealing structure of a gear box according to claim 4, wherein: one end of the second sealing ring (74) close to the box body (1) is provided with a circle of sealing washer (741).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321396449.5U CN220118607U (en) | 2023-06-03 | 2023-06-03 | Sealing structure of gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321396449.5U CN220118607U (en) | 2023-06-03 | 2023-06-03 | Sealing structure of gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220118607U true CN220118607U (en) | 2023-12-01 |
Family
ID=88892966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321396449.5U Active CN220118607U (en) | 2023-06-03 | 2023-06-03 | Sealing structure of gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220118607U (en) |
-
2023
- 2023-06-03 CN CN202321396449.5U patent/CN220118607U/en active Active
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