CN204985046U - Two end face seal device of single -stage and single -suction centrifugal pump - Google Patents
Two end face seal device of single -stage and single -suction centrifugal pump Download PDFInfo
- Publication number
- CN204985046U CN204985046U CN201520685099.3U CN201520685099U CN204985046U CN 204985046 U CN204985046 U CN 204985046U CN 201520685099 U CN201520685099 U CN 201520685099U CN 204985046 U CN204985046 U CN 204985046U
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- China
- Prior art keywords
- pump
- spring
- cover
- ring
- hand member
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- Expired - Fee Related
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Abstract
Two end face seal device of single -stage and single -suction centrifugal pump, the pump cover right -hand member is provided with the end cover, between the inner circle of pump cover and the outer lane of axle sleeve, all leave the clearance between the inner circle of end cover and the outer lane of axle sleeve, install mechanical seal in the clearance, mechanical seal is including flexible cover, the spring holder, holding screw, a spring, the rotating ring, quiet ring, wherein be provided with the base in the middle of the spring holder, be provided with the screw thread through -hole of several around centre of a circle equipartition on the base circumference, be provided with holding screw in the screw thread through -hole, the base all is provided with the opening to both sides, all be provided with the spring in the opening at spring holder both ends, the right -hand member of right side spring has set gradually the rotating ring right, quiet ring, the left end of left side spring has set gradually the rotating ring left, quiet ring, the rotating ring is provided with flexible cover with the outer lane of spring holder opening cooperation department. The utility model discloses it is rational in infrastructure, simple to operate, the formation double containment can be compromise in both ends to the seal receptacle, has improved the life -span and the efficiency of the pump body.
Description
Technical field
The utility model belongs to centrifugal pump field, and particularly a kind of double seals device of IH type single stage single suction volute pump, is applicable to the departments such as oil, chemical industry, metallurgy, electric power, papermaking, food, pharmacy and synthetic fiber.
Background technique
IH type single stage single suction volute pump is that one axially sucks, corrosion resisting centrifugal pump, and for conveying containing solid particle, the liquid with corrosivity, viscosity similar water, medium temperature is-20 DEG C ~ 105 DEG C, and when needing, employing cooling method temperature can be higher.
In use, when adopting mechanical single seal, sealing seat can loosen and cause leaking the IH type single stage single suction volute pump of prior art, can affect the normal work of pump.
Summary of the invention
The purpose of this utility model will solve the problems of the technologies described above.
The purpose of this utility model is achieved in that the double seals device of single stage single suction volute pump, comprises the pump housing, impeller, pump shaft, and the right-hand member of the pump housing is connected with suspension body with intermediate support, is provided with pump cover in the step surface of pump housing right-hand member, impeller right-hand member is provided with axle sleeve, impeller, axle sleeve is installed on pump shaft, it is characterized in that: described pump cover right-hand member is provided with end cover, between the inner ring of pump cover and the outer ring of axle sleeve, all gap is left between the inner ring of end cover and the outer ring of axle sleeve, in gap, mechanical seal is installed, mechanical seal comprises telescopic cover, spring seat, Cock screw, spring, rotating ring, stationary ring, wherein be provided with pedestal in the middle of spring seat, pedestal is circumferentially provided with several tapped through hole uniform around the center of circle, Cock screw is provided with in tapped through hole, pedestal is provided with opening to both sides, spring is provided with in the opening at spring seat two ends, the right-hand member of right side spring is disposed with rotating ring to the right, stationary ring, the left end of left side spring is disposed with rotating ring left, stationary ring.
The right-hand member of described end cover is provided with stop pin.
The outer ring of described rotating ring and spring seat opening cooperation place is provided with telescopic cover.
The utility model is rational in infrastructure, easy for installation, and formation double-sealing is taken into account at sealing seat energy two ends, improves life-span and the efficiency of the pump housing.
Accompanying drawing explanation
Fig. 1 is mounting structure schematic diagram of the present utility model.
Fig. 2 is I enlarged view of Fig. 1.
In figure: 1. the pump housing; 2. impeller nut; 3. impeller; 4. pump cover; 5. axle sleeve; 6. mechanical seal; 7. end cover; 8. intermediate support; 9. suspension body; 10. pump shaft; 601. telescopic cover; 602. spring seat; 603. Cock screw; 604. spring; 605. rotating ring; 606. stationary ring; 607. stop pin.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, but not as to restriction of the present utility model:
The double seals device of single stage single suction volute pump, comprises the pump housing 1, impeller 3, pump shaft 10, and the right-hand member of the pump housing 1 is connected with suspension body 9 with intermediate support 8, is provided with pump cover 4 in the step surface of the pump housing 1 right-hand member, impeller 3 right-hand member is provided with axle sleeve 5, impeller 3, axle sleeve 5 is installed on pump shaft 10, described pump cover 4 right-hand member is provided with end cover 7, between the inner ring of pump cover 4 and the outer ring of axle sleeve 5, all gap is left between the inner ring of end cover 7 and the outer ring of axle sleeve 5, mechanical seal 6 is installed in gap, mechanical seal 6 comprises telescopic cover 601, spring seat 602, Cock screw 603, spring 604, rotating ring 605, stationary ring 606, wherein be provided with pedestal in the middle of spring seat 602, pedestal is circumferentially provided with several tapped through hole uniform around the center of circle, Cock screw 603 is provided with in tapped through hole, pedestal is provided with opening to both sides, spring 604 is provided with in the opening at spring seat 602 two ends, the right-hand member of right side spring 604 is disposed with rotating ring 605 to the right, stationary ring 606, the left end of left side spring 604 is disposed with rotating ring 605 left, stationary ring 606, the right-hand member of described end cover 7 is provided with stop pin 607, described rotating ring 605 is provided with telescopic cover 601 with the outer ring of spring seat 602 opening cooperation place.
Above-described embodiment of the present utility model; it is only the citing clearly illustrating that the utility model does; but be not used for limiting protection domain of the present utility model; all equivalent technological schemes also belong to category of the present utility model, and scope of patent protection of the present utility model should be limited by every claim.
Claims (3)
1. the double seals device of single stage single suction volute pump, comprises the pump housing (1), impeller (3), pump shaft (10), and the right-hand member of the pump housing (1) is connected with suspension body (9) with intermediate support (8), is provided with pump cover (4) in the step surface of the pump housing (1) right-hand member, impeller (3) right-hand member is provided with axle sleeve (5), impeller (3), axle sleeve (5) is installed on pump shaft (10), it is characterized in that: described pump cover (4) right-hand member is provided with end cover (7), between the inner ring of pump cover (4) and the outer ring of axle sleeve (5), all gap is left between the inner ring of end cover (7) and the outer ring of axle sleeve (5), mechanical seal (6) is installed in gap, mechanical seal (6) comprises telescopic cover (601), spring seat (602), Cock screw (603), spring (604), rotating ring (605), stationary ring (606), wherein be provided with pedestal in the middle of spring seat (602), pedestal is circumferentially provided with several tapped through hole uniform around the center of circle, Cock screw (603) is provided with in tapped through hole, pedestal is provided with opening to both sides, spring (604) is provided with in the opening at spring seat (602) two ends, the right-hand member on right side spring (604) is disposed with rotating ring (605) to the right, stationary ring (606), the left end in left side spring (604) is disposed with rotating ring (605) left, stationary ring (606).
2. the double seals device of single stage single suction volute pump according to claim 1, is characterized in that: the right-hand member of described end cover (7) is provided with stop pin (607).
3. the double seals device of single stage single suction volute pump according to claim 1, is characterized in that: described rotating ring (605) is provided with telescopic cover (601) with the outer ring of spring seat (602) opening cooperation place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520685099.3U CN204985046U (en) | 2015-09-07 | 2015-09-07 | Two end face seal device of single -stage and single -suction centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520685099.3U CN204985046U (en) | 2015-09-07 | 2015-09-07 | Two end face seal device of single -stage and single -suction centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204985046U true CN204985046U (en) | 2016-01-20 |
Family
ID=55119420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520685099.3U Expired - Fee Related CN204985046U (en) | 2015-09-07 | 2015-09-07 | Two end face seal device of single -stage and single -suction centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204985046U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275864A (en) * | 2015-10-19 | 2016-01-27 | 季裕成 | Double-end-face sealing device of single-stage single-suction centrifugal pump |
-
2015
- 2015-09-07 CN CN201520685099.3U patent/CN204985046U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275864A (en) * | 2015-10-19 | 2016-01-27 | 季裕成 | Double-end-face sealing device of single-stage single-suction centrifugal pump |
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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: 20160120 Termination date: 20170907 |