CN215566832U - Mechanical seal structure of integrated water pump for locomotive - Google Patents
Mechanical seal structure of integrated water pump for locomotive Download PDFInfo
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- CN215566832U CN215566832U CN202121080403.3U CN202121080403U CN215566832U CN 215566832 U CN215566832 U CN 215566832U CN 202121080403 U CN202121080403 U CN 202121080403U CN 215566832 U CN215566832 U CN 215566832U
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- ring
- rotating ring
- axle sleeve
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Abstract
The utility model provides a mechanical seal structure of integral type water pump for locomotive, relates to water pump mechanical seal technical field, including graphite quiet ring, quiet ring seal circle, graphite rotating ring, rotating ring axle sleeve seat and rotating ring axle sleeve, graphite quiet ring embedding is in quiet ring seal circle, and rotating ring axle sleeve and graphite rotating ring all set up in the rotating ring axle sleeve seat, and one side that the rotating ring axle sleeve is located the rotating ring axle sleeve seat is corresponding with one side that the rotating ring axle sleeve is located the rotating ring axle sleeve seat, and rotating ring axle sleeve opposite side, rotating ring axle sleeve opposite side all are located outside the rotating ring axle sleeve seat, be provided with the rotating ring seal circle on the rotating ring axle sleeve seat, the inboard laminating with rotating ring axle sleeve seat outer peripheral face and graphite rotating ring outer peripheral face respectively of rotating ring seal circle, this structure is showing and has improved water pump seal effect.
Description
Technical Field
The utility model relates to the technical field of mechanical sealing of water pumps, in particular to a mechanical sealing structure of an integrated water pump for a locomotive.
Background
Traditional mechanical seal is that a plurality of sealing members built-up mounting constitute, causes the gap seal between the sealing member not good easily in the use, causes to leak, and traditional handicraft is metal casing, rubber seal, cutting ferrule, graphite rotating ring, thrust spring, spring holder, the quiet ring of graphite, and the quiet ring seal of L type constitutes, and the installation is complicated and have a plurality of equipment gaps, causes leaking of the gap department of sealing member easily.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a mechanical sealing structure of an integrated water pump for a locomotive, and the sealing effect of the water pump is effectively improved.
The utility model adopts the technical scheme that a mechanical sealing structure of an integrated water pump for a locomotive is provided, and the mechanical sealing structure comprises a graphite static ring, a static ring sealing ring, a graphite moving ring, a moving ring shaft sleeve seat and a moving ring shaft sleeve, wherein the graphite static ring is embedded into the static ring sealing ring, the moving ring shaft sleeve and the graphite moving ring are both arranged in the moving ring shaft sleeve seat, one side of the moving ring shaft sleeve, which is positioned in the moving ring shaft sleeve seat, corresponds to one side of the moving ring shaft sleeve, which is positioned in the moving ring shaft sleeve seat, the other side of the moving ring shaft sleeve and the other side of the moving ring shaft sleeve are both positioned outside the moving ring shaft sleeve seat, the moving ring sealing ring is arranged on the moving ring shaft sleeve seat, and the inner side of the moving ring sealing ring is respectively attached to the outer peripheral surface of the moving ring shaft sleeve seat and the outer peripheral surface of the graphite moving ring.
The section of the movable ring sealing ring is L-shaped.
The outer circumference of the graphite rotating ring is provided with a stepped structure, and the diameter of the graphite rotating ring, which is positioned on the outer side of the rotating ring shaft sleeve seat, is smaller than the diameter of the graphite rotating ring, which is positioned in the rotating ring shaft sleeve seat.
The outer peripheral surface of the movable ring shaft sleeve, which is positioned outside the movable ring shaft sleeve seat, is provided with a ring groove, and an elastic hoop spring is arranged in the ring groove.
The inboard bellied first waterline of sealing of quiet ring seal.
And a raised second water sealing line is arranged on one surface of the movable ring shaft sleeve, which is attached to the graphite movable ring.
And a third raised water sealing line is arranged on the inner side of the movable ring sealing ring.
The utility model has the beneficial effects that:
1. through setting up the rotating ring sealing washer, seal the gap between graphite rotating ring and the rotating ring axle sleeve and the gap between graphite rotating ring and the rotating ring axle sleeve seat, further promote sealed effect.
2. The elastic hoop spring is added on the movable ring shaft sleeve to hoop the movable ring shaft sleeve, so that the tightness between the movable ring shaft sleeve and the main shaft 10 is increased.
3. Through increasing the seal ring line at quiet ring seal, rotating ring axle sleeve and rotating ring seal, further increase overall structure's sealed effect.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is an enlarged view of A in FIG. 1;
fig. 3 is a schematic structural view of a stationary ring seal.
In the attached drawing, 1, a graphite stationary ring, 2, a stationary ring sealing ring, 3, a graphite movable ring, 4, a movable ring shaft sleeve seat, 5, a movable ring shaft sleeve, 6, a movable ring sealing ring, 7, an elastic hoop spring, 8, a sealing ring line, 9, a water pump sealing seat, 10, a main shaft 10, 11 and blades.
Detailed Description
As shown in fig. 1-2, the utility model provides a mechanical seal structure of an integrated water pump for a locomotive, which comprises a graphite stationary ring 1, a stationary ring seal ring 2, a graphite moving ring 3, a moving ring shaft sleeve seat 4 and a moving ring shaft sleeve 5, wherein the graphite stationary ring 1 is embedded in the stationary ring seal ring 2, the moving ring shaft sleeve 5 and the graphite moving ring 3 are both arranged in the moving ring shaft sleeve seat 4, one side of the moving ring shaft sleeve 5, which is positioned in the moving ring shaft sleeve seat 4, corresponds to one side of the moving ring shaft sleeve 5, which is positioned in the moving ring shaft sleeve seat 4, the other side of the moving ring shaft sleeve 5 and the other side of the moving ring shaft sleeve 5 are both positioned outside the moving ring shaft sleeve seat 4, a moving ring seal ring 6 is arranged on the moving ring shaft sleeve seat 4, and the inner side of the moving ring seal ring 6 is respectively attached to the outer peripheral surface of the moving ring shaft sleeve seat 4 and the outer peripheral surface of the graphite moving ring 3.
When static seal is installed, a graphite static ring 1 is embedded into a static ring seal ring 2, the static ring seal ring 2 is a rubber seal ring, a metal ring is coated inside the rubber seal ring, the toughness and the strength of the static ring seal ring 2 are increased, the static ring seal ring 2 with the graphite static ring 1 is pressed into a static ring groove of a water pump seal seat, then a main shaft 10 penetrates through shaft holes of the graphite static ring 1 and the static ring seal ring 2 to complete the installation of the static ring, when dynamic seal is installed, a dynamic ring shaft sleeve 5 is clamped into a dynamic ring shaft sleeve seat 4, then a graphite dynamic ring 3 is embedded into a dynamic ring shaft sleeve seat 4 from the other side of the dynamic ring shaft sleeve seat 4, at the moment, the dynamic ring shaft sleeve 5 and the graphite dynamic ring 3 are tightly propped, the dynamic ring seal ring 5 is sleeved on the dynamic ring shaft sleeve seat 4 from one side of the graphite dynamic ring 3, at the moment, the inner side of the dynamic ring seal ring 5 is respectively attached to the outer peripheral surfaces of the dynamic ring shaft sleeve seat 4 and the graphite ring 3, the sealing device comprises a graphite rotating ring 3, a graphite rotating ring shaft sleeve 5, a gap between the graphite rotating ring 3 and a rotating ring shaft sleeve seat 4 is sealed, the assembled graphite rotating ring 3, the rotating ring shaft sleeve 5 and the rotating ring shaft sleeve seat 4 are sleeved on a main shaft 10, the graphite rotating ring 3 is tightly attached to a graphite static ring 1 in a propping mode, the rotating ring shaft sleeve seat 4 is tightly attached to a paddle 11 in the propping mode through a propping spring, a metal gasket is additionally arranged between the propping spring and the paddle 11, the propping spring is attached to the paddle 11 more tightly, a metal ring sheet is additionally arranged in the rotating ring shaft sleeve 5, the rotating ring shaft sleeve 5 wraps a metal replacement sheet, and the toughness and the strength of the rotating ring shaft sleeve 5 are enhanced.
As shown in fig. 1-2, the section of the moving-ring seal ring 6 is L-shaped.
The movable ring sealing ring 6 of L type can wrap up the gap between movable ring shaft sleeve seat 4 and the graphite movable ring 3 completely, and the inboard of movable ring sealing ring 6 pushes up the laminating with 4 outer peripheral faces of movable ring shaft sleeve seat and 3 outer peripheral faces of graphite movable ring respectively, and sealed effect further promotes.
As shown in fig. 1-2, a stepped structure is provided on the outer circumference of the graphite rotating ring 3, and the diameter of the graphite rotating ring 3 located outside the rotating ring shaft sleeve seat 4 is smaller than the diameter of the graphite rotating ring 3 located inside the rotating ring shaft sleeve seat 4.
Through the cooperation of the graphite rotating ring 3 of the ladder structure and the rotating ring sealing ring 6 of the L-shaped structure, when the inner side of the rotating ring sealing ring 6 is respectively abutted against the outer peripheral surface of the rotating ring shaft sleeve seat 4 and the outer peripheral surface of the graphite rotating ring 3, the vertical surface of the inner side of the rotating ring sealing ring 6 is attached to the ladder vertical surface of the graphite rotating ring 3, and the sealing effect is further improved.
As shown in fig. 1-2, a ring groove is formed on the outer circumferential surface of the rotating ring sleeve 5 outside the rotating ring sleeve seat 4, and an elastic hoop spring 7 is arranged in the ring groove.
Increase elasticity hoop spring 7 on rotating ring axle sleeve 5, cramp rotating ring axle sleeve 5, increase the inseparable degree between rotating ring axle sleeve 5 and the main shaft 10, after long-time the use, after rotating ring axle sleeve 5 received wearing and tearing, elasticity hoop spring 7 further tightened up makes rotating ring axle sleeve 5 and main shaft 10 keep the state of inseparable laminating, increases overall structure's life.
As shown in fig. 1-2, the inner side of the static ring sealing ring 2 is provided with a raised first water sealing line 8.
The inboard first waterline 8 that seals of quiet ring seal 2 can improve the compactness of graphite quiet ring 1 and quiet ring seal 2, has further promoted sealed effect.
As shown in fig. 1-2, a raised second water sealing line is arranged on the surface of the movable ring shaft sleeve 5, which is attached to the graphite movable ring 3.
Increase the second on the rotating ring axle sleeve 5 and seal the waterline, the second seals the waterline and is the same with first waterline 8 structure that seals, has improved the compactness between rotating ring axle sleeve 5 and the graphite rotating ring 3, has further promoted sealed effect.
As shown in fig. 1-2, a raised third water sealing line is arranged inside the movable ring sealing ring 6.
The third water sealing line is additionally arranged on the inner side of the movable ring sealing ring 6, the third water sealing line is identical to the first water sealing line in structure, the tightness of the movable ring sealing ring 6, the movable ring shaft sleeve seat 4 and the graphite movable ring 3 is improved, and the sealing effect is further improved.
Claims (7)
1. Mechanical seal structure of integral type water pump for locomotive, including graphite quiet ring (1), quiet ring seal circle (2), graphite rotating ring (3), rotating ring axle sleeve seat (4) and rotating ring axle sleeve (5), graphite quiet ring (1) imbeds in quiet ring seal circle (2), rotating ring axle sleeve (5) and graphite rotating ring (3) all set up in rotating ring axle sleeve seat (4), one side that rotating ring axle sleeve (5) are located rotating ring axle sleeve seat (4) is corresponding with one side that rotating ring axle sleeve (5) are located rotating ring axle sleeve seat (4), rotating ring axle sleeve (5) opposite side all are located outside rotating ring axle sleeve seat (4), its characterized in that: and a moving ring sealing ring (6) is arranged on the moving ring shaft sleeve seat (4), and the inner side of the moving ring sealing ring (6) is respectively attached to the outer peripheral surface of the moving ring shaft sleeve seat (4) and the outer peripheral surface of the graphite moving ring (3).
2. The mechanical seal structure of an integrated water pump for a locomotive according to claim 1, characterized in that: the section of the movable ring sealing ring (6) is L-shaped.
3. The mechanical seal structure of an integrated water pump for a locomotive according to claim 1, characterized in that: the outer circumference of the graphite rotating ring (3) is provided with a stepped structure, and the diameter of the graphite rotating ring (3) positioned on the outer side of the rotating ring shaft sleeve seat (4) is smaller than the diameter of the graphite rotating ring (3) positioned in the rotating ring shaft sleeve seat (4).
4. The mechanical seal structure of an integrated water pump for a locomotive according to claim 1, characterized in that: and a ring groove is formed in the outer peripheral surface of the movable ring shaft sleeve (5) outside the movable ring shaft sleeve seat (4), and an elastic hoop spring (7) is arranged in the ring groove.
5. The mechanical seal structure of an integrated water pump for a locomotive according to claim 1, characterized in that: the first water sealing line (8) protruding on the inner side of the static ring sealing ring (2).
6. The mechanical seal structure of an integrated water pump for a locomotive according to claim 1, characterized in that: and a raised second water sealing line is arranged on one surface of the movable ring shaft sleeve (5) which is attached to the graphite movable ring (3).
7. The mechanical seal structure of an integrated water pump for a locomotive according to claim 1, characterized in that: and a third raised water sealing line is arranged on the inner side of the movable ring sealing ring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121080403.3U CN215566832U (en) | 2021-05-19 | 2021-05-19 | Mechanical seal structure of integrated water pump for locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121080403.3U CN215566832U (en) | 2021-05-19 | 2021-05-19 | Mechanical seal structure of integrated water pump for locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215566832U true CN215566832U (en) | 2022-01-18 |
Family
ID=79862283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121080403.3U Active CN215566832U (en) | 2021-05-19 | 2021-05-19 | Mechanical seal structure of integrated water pump for locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215566832U (en) |
-
2021
- 2021-05-19 CN CN202121080403.3U patent/CN215566832U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ma Shaofei Inventor after: Li You Inventor after: Tao Jiaxi Inventor after: Yi Kai Inventor after: Xiong Guoqiao Inventor after: Liang Haiquan Inventor after: Ma Di Inventor after: Chen Zongzhi Inventor after: Qin yuan Inventor before: Ma Shaofei Inventor before: Li You Inventor before: Tao Jiaxi Inventor before: Yi Kai Inventor before: Xiong Guoqiao Inventor before: Liang Haiquan Inventor before: Ma Di Inventor before: Chen Zongzhi Inventor before: Qin yuan |