CN113898738A - Rinsing machine main shaft seal structure - Google Patents
Rinsing machine main shaft seal structure Download PDFInfo
- Publication number
- CN113898738A CN113898738A CN202111245716.4A CN202111245716A CN113898738A CN 113898738 A CN113898738 A CN 113898738A CN 202111245716 A CN202111245716 A CN 202111245716A CN 113898738 A CN113898738 A CN 113898738A
- Authority
- CN
- China
- Prior art keywords
- outer shell
- sealing
- shaft
- baffle ring
- flange plate
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 78
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000005406 washing Methods 0.000 claims abstract description 14
- 238000003780 insertion Methods 0.000 claims description 11
- 230000037431 insertion Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 abstract description 3
- 238000010828 elution Methods 0.000 abstract description 2
- 210000003746 feather Anatomy 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses a sealing structure for a large shaft of a washing machine, and belongs to the technical field of down feather elution. A groove is formed in a shaft center hole of the outer shell, and a water sealing piece and a baffle ring I are arranged in the groove of the shaft center hole; a sealing sleeve is coaxially welded on the outer side surface of the outer shell; an oil sealing element and a baffle ring II are arranged between the inner wall of the sealing sleeve and the rotating shaft; a limiting sleeve is arranged between the baffle ring I and the baffle ring II; the flange plate is connected with the end surface of the outer shell, the inserting part of the flange plate is inserted into a gap between the outer end of the sealing sleeve and the rotating shaft in a matching way, and the end part of the inserting part is abutted against the side part of the oil sealing element; and the inner wall of the shaft hole of the flange plate is provided with a dustproof sealing piece. According to the invention, the flange plate is fastened inwards, the inserting part can press the oil sealing element inwards, and the oil sealing element presses the water sealing element inwards through the baffle ring II, the limiting sleeve and the baffle ring I, so that the sealing gap generated by abrasion is eliminated, the working efficiency is improved, and the production cost is greatly reduced.
Description
Technical Field
The invention relates to the technical field of down feather elution, in particular to a large shaft sealing structure of a washing machine.
Background
The large-scale washing machine drives a roller to rotate by using a main shaft, and the power of the main shaft is from a motor. The main shaft is arranged in a bearing seat on the frame of the washing machine. In the prior art, a sealing device is arranged between a main shaft and a sealing shell of a washing machine, the sealing device comprises a sealing body, a water sealing piece and an oil sealing piece, the sealing body is fixedly installed on the sealing shell of the washing machine through bolts, the main shaft penetrates through the sealing body, and the water sealing piece and the oil sealing piece are located between the sealing body and the main shaft.
The existing water washing machine sealing technical scheme has the following defects: due to the rotary seal of the sealing structure, after working for a period of time, the sealing element is abraded and needs to be stopped for maintenance; the existing sealing structure is poor in adjustability, a sealing gasket needs to be detached and replaced during maintenance, maintenance efficiency is low, downtime is long, and working efficiency is reduced.
Content providing method and apparatus
In order to solve the technical problem, the invention provides a sealing structure for a large shaft of a washing machine.
The invention is realized by the following technical scheme: a kind of rinsing machine large shaft seal structure, is fixed with the corbel on both ends of the outer body, the corbel is installed on base; a bearing seat is fixed on the supporting beam, the rotating shaft is rotatably connected with the bearing seat through a bearing, and one end of the rotating shaft penetrates through a shaft center hole in the end face of the outer shell; a groove is formed in a shaft center hole of the outer shell, a water sealing piece and a baffle ring I are installed in the shaft center hole groove, and the water sealing piece is located on one side close to the inside of the outer shell; a sealing sleeve is coaxially welded on the outer side surface of the outer shell; an oil sealing element and a baffle ring II are arranged between the inner wall of the sealing sleeve and the rotating shaft, and the oil sealing element is positioned on one side far away from the outer shell; a limiting sleeve sleeved on the rotating shaft is arranged between the baffle ring I and the baffle ring II; the flange plate is connected with the end surface of the outer shell, a cylindrical insertion part is arranged at the shaft hole of the flange plate, the insertion part is inserted into a gap between the outer end of the sealing sleeve and the rotating shaft in a matched mode, and the end part of the insertion part abuts against the side part of the oil sealing element; and the inner wall of the shaft hole of the flange plate is provided with a dustproof sealing piece.
It further comprises the following steps: and a rubber pad is arranged between the end face of the sealing sleeve and the flange plate.
A plurality of threaded columns are fixed on the end face of the outer shell and are uniformly distributed around an axial hole of the outer shell; the outer end of the threaded column penetrates through the flange plate connecting hole, the threaded column is provided with a fastening nut and a limiting nut, and the fastening nut and the limiting nut are clamped on two sides of the flange plate.
The threaded column is installed on the end face of the outer shell through threaded connection.
The threaded column is welded on the end face of the outer shell.
Compared with the prior art, the invention has the beneficial effects that: after the sealing structure works for a period of time, the sealing element can be worn; at the moment, the flange plate is fastened inwards, the inserting part can press the oil sealing element inwards, and the oil sealing element presses the water sealing element inwards through the baffle ring II, the limiting sleeve and the baffle ring I so as to eliminate a sealing gap generated by abrasion; the sealing element is required to be disassembled and replaced after the sealing structure is fastened for 3-4 times, so that the working efficiency can be improved, and the production cost is greatly reduced.
Drawings
FIG. 1 is a schematic of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
in the figure: 1. an outer housing; 1-1, axial center hole; 2. supporting a beam; 3. a base; 4. a bearing seat; 5. a rotating shaft; 6. a water seal; 7. a baffle ring I; 8. a limiting sleeve; 9. a baffle ring II; 10. an oil seal; 11. a dust seal; 12. a flange plate; 12-1, an insertion portion; 13. a rubber pad; 14. fastening a nut; 15. a limit nut; 16. a threaded post; 17. the sleeve is sealed.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, a big shaft sealing structure of a washing machine, wherein, two end faces of an outer shell 1 are fixed with supporting beams 2, and the supporting beams 2 are arranged on a base 3; a bearing seat 4 is fixed on the support beam 2, a rotating shaft 5 is rotatably connected with the bearing seat 4 through a bearing, and one end of the rotating shaft 5 penetrates through a shaft center hole 1-1 on the end surface of the outer shell 1; a sealing structure is arranged between the rotating shaft 5 and the axial hole 1-1 of the outer shell 1.
A sealing structure on one side is taken as an example for explanation;
a groove is formed in a shaft center hole 1-1 of the outer shell 1, a water sealing piece 6 and a baffle ring I7 are installed in the groove in the shaft center hole 1-1, and the water sealing piece 6 is located on the right side of the baffle ring I7.
A sealing sleeve 17 is coaxially welded on the outer side surface of the outer shell 1; an oil sealing element 10 and a baffle ring II 9 are arranged between the inner wall of the sealing sleeve 17 and the rotating shaft 5, and the oil sealing element 10 is positioned on the left side of the baffle ring II 9. The stop collar 8 suit is on pivot 5, and 8 both ends of stop collar contact with fender ring I7, fender ring II 9.
A cylindrical insertion part 12-1 is arranged at the shaft hole of the flange 12, the insertion part 12-1 is inserted into a gap between the outer end of the sealing sleeve 17 and the rotating shaft 5 in a matching way, and the end part of the insertion part 12-1 is abutted against the left side of the oil sealing element 10; a rubber pad 13 is arranged between the end face of the sealing sleeve 17 and the flange 12. The inner wall of the shaft hole of the flange 12 is provided with a dustproof sealing part 11.
The threaded columns 16 are uniformly distributed around the axial hole 1-1 of the outer shell 1, and the threaded columns 16 are welded on the end face of the outer shell 1. The outer end of the threaded column 16 penetrates through the connecting hole of the flange 12, a fastening nut 14 and a limiting nut 15 are mounted on the threaded column 16, and the fastening nut 14 and the limiting nut 15 are clamped on two sides of the flange 12.
When in use, the utility model is used,
after the sealing structure works for a period of time, the water sealing member 6 and the oil sealing member 10 are worn; at this time, the insertion portion 12-1 presses the oil seal 10 inward by fastening the flange 12 inward, and the oil seal 10 presses the water seal 6 inward again by the retainer ring ii 9, the stopper sleeve 8, and the retainer ring i 7, thereby eliminating a seal gap caused by abrasion.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Claims (5)
1. A sealing structure for a large shaft of a washing machine is characterized in that supporting beams (2) are fixed on two end faces of an outer shell (1), and the supporting beams (2) are installed on a base (3); a bearing seat (4) is fixed on the support beam (2), a rotating shaft (5) is rotatably connected with the bearing seat (4) through a bearing, and one end of the rotating shaft (5) penetrates through a shaft center hole (1-1) in the end face of the outer shell (1);
the method is characterized in that:
a groove is formed in an axle center hole (1-1) of the outer shell (1), a water sealing piece (6) and a baffle ring I (7) are installed in the groove of the axle center hole (1-1), and the water sealing piece (6) is positioned on one side close to the inside of the outer shell (1);
a sealing sleeve (17) is coaxially welded on the outer side surface of the outer shell (1); an oil sealing element (10) and a baffle ring II (9) are arranged between the inner wall of the sealing sleeve (17) and the rotating shaft (5), and the oil sealing element (10) is positioned on one side far away from the outer shell (1); a limiting sleeve (8) sleeved on the rotating shaft (5) is arranged between the baffle ring I (7) and the baffle ring II (9);
the flange plate (12) is connected to the end face of the outer shell (1), a cylindrical insertion part (12-1) is arranged at the shaft hole of the flange plate (12), the insertion part (12-1) is inserted into a gap between the outer end of the sealing sleeve (17) and the rotating shaft (5) in a matched mode, and the end part of the insertion part (12-1) abuts against the side part of the oil sealing element (10); the inner wall of the shaft hole of the flange plate (12) is provided with a dustproof sealing piece (11).
2. The sealing structure of the large shaft of the washing machine according to claim 1, characterized in that: and a rubber pad (13) is arranged between the end face of the sealing sleeve (17) and the flange plate (12).
3. The sealing structure of the large shaft of the washing machine according to claim 1, characterized in that: a plurality of threaded columns (16) are fixed on the end face of the outer shell (1), and the threaded columns (16) are uniformly distributed around an axial center hole (1-1) of the outer shell (1); the outer end of the threaded column (16) penetrates through the connecting hole of the flange plate (12), the threaded column (16) is provided with a fastening nut (14) and a limiting nut (15), and the fastening nut (14) and the limiting nut (15) are clamped on two sides of the flange plate (12).
4. The seal structure of the large shaft of the washing machine according to claim 3, characterized in that: the threaded column (16) is installed on the end face of the outer shell (1) through threaded connection.
5. The seal structure of the large shaft of the washing machine according to claim 3, characterized in that: the threaded column (16) is welded on the end face of the outer shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111245716.4A CN113898738A (en) | 2021-10-26 | 2021-10-26 | Rinsing machine main shaft seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111245716.4A CN113898738A (en) | 2021-10-26 | 2021-10-26 | Rinsing machine main shaft seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113898738A true CN113898738A (en) | 2022-01-07 |
Family
ID=79026145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111245716.4A Pending CN113898738A (en) | 2021-10-26 | 2021-10-26 | Rinsing machine main shaft seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113898738A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117628186A (en) * | 2024-01-25 | 2024-03-01 | 邢台苏伯特油封制造有限公司 | Bidirectional sealing rotary oil seal |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203335851U (en) * | 2013-05-06 | 2013-12-11 | 上海飞涯机械制造有限公司 | Main shaft supporting and sealing structure of rinsing machine |
| CN213593236U (en) * | 2020-08-14 | 2021-07-02 | 北京京城久筑节能科技有限公司 | Mortar mixer bearing mounting structure and mortar mixer |
-
2021
- 2021-10-26 CN CN202111245716.4A patent/CN113898738A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203335851U (en) * | 2013-05-06 | 2013-12-11 | 上海飞涯机械制造有限公司 | Main shaft supporting and sealing structure of rinsing machine |
| CN213593236U (en) * | 2020-08-14 | 2021-07-02 | 北京京城久筑节能科技有限公司 | Mortar mixer bearing mounting structure and mortar mixer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117628186A (en) * | 2024-01-25 | 2024-03-01 | 邢台苏伯特油封制造有限公司 | Bidirectional sealing rotary oil seal |
| CN117628186B (en) * | 2024-01-25 | 2024-04-19 | 邢台苏伯特油封制造有限公司 | Bidirectional sealing rotary oil seal |
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