CN201461376U - Sealing device of pump shaft - Google Patents
Sealing device of pump shaft Download PDFInfo
- Publication number
- CN201461376U CN201461376U CN2009201041997U CN200920104199U CN201461376U CN 201461376 U CN201461376 U CN 201461376U CN 2009201041997 U CN2009201041997 U CN 2009201041997U CN 200920104199 U CN200920104199 U CN 200920104199U CN 201461376 U CN201461376 U CN 201461376U
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- Prior art keywords
- ring
- sealing device
- wall
- face
- cooling
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- Expired - Fee Related
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Abstract
The utility model relates to a sealing device of a pump shaft, in particular to a sealing device suitable for sealing a main shaft of a slurry pump, which belongs to the technical field of water pump components. In the structure, the sealing device of the pump shaft comprises a shaft sleeve which is matched with a main shaft of a water pump, wherein the outer wall of the shaft sleeve is sleeved with a static ring, the front end of the shaft sleeve is provided with a ring platform, the back end face of the ring platform is provided with a ring groove, a dynamic ring is matched in the ring groove, the outer wall of the shaft sleeve is sleeved with a cooling jacket which is connected with a sealing box of the water pump, cooling gaps are kept among the inner wall of the cooling jacket, the outer walls of the ring platform, the static ring and the dynamic ring, and a cooling water inlet and a cooling water outlet are arranged on the cooling jacket and are communicated with the cooling gap. The sealing device of the pump shaft is characterized in that the outer wall of the ring platform is provided with a spiral groove; on the basis of the original end face sealing, the structure design of the spiral groove is added, the spiral groove is arranged on the shaft sleeve of the sealing device, a spiral body acts as the action of a vane in the rotation process of the shaft sleeve, particles can be effectively prevented from entering a sealing pair, the flow of flushing liquid is boosted, the cooling effect of mechanical sealing is increased, and the sealing service life is prolonged.
Description
Technical field
The utility model relates to a kind of pump shaft sealing device, and particularly a kind of seal arrangement that is applicable to the slurry pump main shaft seal belongs to water pump component technology field.
Background technique
The main shaft seal parts of water pump are the critical components of water pump, its performance directly influences efficient, life-span and the user cost of water pump, because water pump spindle high speed rotating, sealing component easily heats up, weares and teares, wears out, need it is cooled off, the type of cooling of prior art mostly is at axle sleeve outer wall suit coolant jacket, offer cooling hole on the coolant jacket, cool off by cooling water, its cooling effect is subjected to the restriction of cooling water circulatory condition, often not ideal enough, simultaneously because its cooling path enters particular pollutant easily, easily cause the seal arrangement wearing and tearing.
The model utility content
The utility model technical issues that need to address provide a kind of pump shaft sealing device, by the architecture advances to the existing pump shaft sealer, prevent that effectively particle from entering sealing pair, increase the cooling effect of seal arrangement, improve sealing life.
For solving the problems of the technologies described above, technical solution adopted in the utility model is:
A kind of pump shaft sealing device, comprise the axle sleeve that cooperates with the water pump main shaft in its structure, axle sleeve outer wall suit stationary ring, the axle sleeve front end is provided with the ring platform, and ring platform ear end face is offered annular groove, cooperate rotating ring in the annular groove, axle sleeve outer wall suit connects the coolant jacket of the sealed case of water pump, keeps a cooling crack between coolant jacket inwall and Huan Tai, stationary ring and the rotating ring outer wall, offers coolant intake and cooling water outlet on the coolant jacket, coolant intake and cooling water outlet are communicated with the cooling crack, and described ring platform outer wall is offered spiral chute.
Further improvement of the utility model is:
Keep the gap between stationary ring inwall and the axle sleeve, stationary ring outer wall and coolant jacket driving fit, the two junction plane is provided with seal ring.
Keep the gap between rotating ring inwall and the axle sleeve, rotating ring outer wall and the annular groove inwall driving fit that encircles the platform ear end face, the two junction plane is provided with seal ring.
The front-end face of stationary ring and the ear end face of rotating ring are slidingly matched.
The axle sleeve ear end face is combined with the lock sleeve that is sleeved on the water pump spindle outer wall.
The coolant jacket front-end face cooperates with the sealed case end face seal, and its fitting surface is provided with seal ring.
Connect heat exchanger between coolant intake and the cooling water outlet.
Owing to adopted technique scheme, the beneficial effect that the utility model produced is:
The utility model is on the basis of original end face seal, increase the helical groove structure design, on the axle sleeve of seal arrangement, offer spiral chute, in the rotary course of axle sleeve, heliconid plays the effect of blade, can prevent effectively that particle from entering sealing pair, and the boosting washing solution flows, the cooling effect of increase machine envelope improves sealing life.
Description of drawings
Fig. 1 is a kind of structural representation of pump shaft sealing device.
Among the figure: 1, sealed case, 2, spiral chute, 3, axle sleeve, 4, rotating ring, 5, the cooling water outlet, 6, the cooling crack, 7, stationary ring, 8, the water pump main shaft, 9, heat exchanger, 10, coolant intake, 11, coolant jacket.
Embodiment
Below in conjunction with accompanying drawing the utility model is done and to be described in further detail:
Shown in Figure 1, structure of the present utility model comprises, the axle sleeve 3 that cooperates with water pump main shaft 8, and axle sleeve 3 outer wall suit stationary rings 7, the axle sleeve ear end face is combined with the lock sleeve that is sleeved on the water pump spindle outer wall; Axle sleeve 3 front ends are provided with the ring platform, and ring platform ear end face is offered annular groove, cooperates rotating ring 4 in the annular groove, and the ear end face of the front-end face of stationary ring 7 and rotating ring 4 is slidingly matched; Axle sleeve 3 outer wall suits connect the coolant jacket 11 of the sealed case 1 of water pump, and the coolant jacket front-end face cooperates with the sealed case end face seal, and its fitting surface is provided with seal ring; Keep a cooling crack 6 between coolant jacket 11 inwalls and Huan Tai, stationary ring 7 and rotating ring 4 outer walls, offer coolant intake 10 and cooling water outlet 5 on the coolant jacket 11, connect heat exchanger between coolant intake and the cooling water outlet; Coolant intake 10 and cooling water outlet 5 are communicated with cooling crack 6, and ring platform outer wall is offered spiral chute 2; Keep the gap between stationary ring 7 inwalls and the axle sleeve 3, stationary ring 7 outer walls and coolant jacket 11 driving fits, the two junction plane is provided with seal ring; Keep the gap between rotating ring 4 inwalls and the axle sleeve 3, rotating ring 4 outer walls and the annular groove inwall driving fit that encircles the platform ear end face, the two junction plane is provided with seal ring.
The utility model is on the basis of original end face seal, increase the helical groove structure design, on the axle sleeve of seal arrangement, offer spiral chute, in the rotary course of axle sleeve, heliconid plays the effect of blade, can prevent effectively that particle from entering sealing pair, and the boosting washing solution flows, the cooling effect of increase machine envelope improves sealing life.
Claims (7)
1. pump shaft sealing device, comprise the axle sleeve that cooperates with the water pump main shaft in its structure, axle sleeve outer wall suit stationary ring, the axle sleeve front end is provided with the ring platform, ring platform ear end face is offered annular groove, cooperate rotating ring in the annular groove, axle sleeve outer wall suit connects the coolant jacket of the sealed case of water pump, keep a cooling crack between coolant jacket inwall and Huan Tai, stationary ring and the rotating ring outer wall, offer coolant intake and cooling water outlet on the coolant jacket, coolant intake and cooling water outlet are communicated with the cooling crack, and it is characterized in that: described ring platform outer wall is offered spiral chute.
2. a kind of pump shaft sealing device according to claim 1 is characterized in that: keep the gap between described stationary ring inwall and the axle sleeve, and stationary ring outer wall and coolant jacket driving fit, the two junction plane is provided with seal ring.
3. a kind of pump shaft sealing device according to claim 1 is characterized in that: keep the gap between described rotating ring inwall and the axle sleeve, and rotating ring outer wall and the annular groove inwall driving fit that encircles the platform ear end face, the two junction plane is provided with seal ring.
4. a kind of pump shaft sealing device according to claim 3 is characterized in that: the front-end face of described stationary ring and the ear end face of rotating ring are slidingly matched.
5. a kind of pump shaft sealing device according to claim 1 is characterized in that: described axle sleeve ear end face is combined with the lock sleeve that is sleeved on the water pump spindle outer wall.
6. a kind of pump shaft sealing device according to claim 1 is characterized in that: described coolant jacket front-end face cooperates with the sealed case end face seal, and its fitting surface is provided with seal ring.
7. a kind of pump shaft sealing device according to claim 1 is characterized in that: connect heat exchanger between described coolant intake and the cooling water outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201041997U CN201461376U (en) | 2009-08-21 | 2009-08-21 | Sealing device of pump shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201041997U CN201461376U (en) | 2009-08-21 | 2009-08-21 | Sealing device of pump shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201461376U true CN201461376U (en) | 2010-05-12 |
Family
ID=42388730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201041997U Expired - Fee Related CN201461376U (en) | 2009-08-21 | 2009-08-21 | Sealing device of pump shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201461376U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103812272A (en) * | 2014-02-28 | 2014-05-21 | 成都大漠石油机械有限公司 | Circulating cooling structure |
| CN112747118A (en) * | 2020-12-30 | 2021-05-04 | 中南大学 | Shaft end sealing device of powder material mixing equipment and mounting method thereof |
-
2009
- 2009-08-21 CN CN2009201041997U patent/CN201461376U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103812272A (en) * | 2014-02-28 | 2014-05-21 | 成都大漠石油机械有限公司 | Circulating cooling structure |
| CN112747118A (en) * | 2020-12-30 | 2021-05-04 | 中南大学 | Shaft end sealing device of powder material mixing equipment and mounting method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20170821 |