CN205154662U - Submersible pump - Google Patents
Submersible pump Download PDFInfo
- Publication number
- CN205154662U CN205154662U CN201520808337.5U CN201520808337U CN205154662U CN 205154662 U CN205154662 U CN 205154662U CN 201520808337 U CN201520808337 U CN 201520808337U CN 205154662 U CN205154662 U CN 205154662U
- Authority
- CN
- China
- Prior art keywords
- pump
- sealing framework
- housing
- annular canister
- pump cover
- 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.)
- Expired - Fee Related
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a technical field of water pump, more specifically say, it relates to a submersible pump, which comprises a pump body, the pump body includes casing and pump cover and the rear end cap be connected with casing both ends, be connected with into water spare on the pump cover, it has sealed cavity to constitute between pump cover and the casing, sealed cavity includes the sealed wall of second that is located the first sealed wall of pump cover inner wall and is located the casing outer wall, be equipped with a first annular section of thick bamboo on the first sealed wall, be equipped with a second annular section of thick bamboo on the sealed wall of second, it is used for the cover to establish the outer two end face seal spares of motor output shaft to be equipped with between a first annular section of thick bamboo and the second annular section of thick bamboo, two end face seal spares are including a seal skeleton who lies in a first annular section of thick bamboo and the 2nd seal skeleton who lies in a second annular section of thick bamboo, through elasticity frame connection between a seal skeleton and the 2nd seal skeleton, the utility model discloses rational in infrastructure simple, the leakproofness is strong.
Description
Technical field
The utility model relates to the technical field of water pump, and more particularly, it relates to a kind of submersible pump.
Background technique
Submersible pump is the visual plant of deep-well water lift.During use, whole unit pulls the plug work.Before turn on pump, in suction pipe and pump, liquid must be full of.After turn on pump, impeller High Rotation Speed, liquid wherein rotates together along with blade, under the influence of centrifugal force, flies away from impeller and outwards penetrates, and liquid speed in pump case explosion chamber of injection is slack-off gradually, and pressure increases gradually, and then from pump discharge, discharge tube flows out.
The sealing of current submersible pump is poor, and at impeller high-speed rotation, water can infiltrate in the housing of the pump housing with the output shaft of this motor, motor damage.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of simple, submersible pump that sealing is strong rational in infrastructure.
For achieving the above object, the utility model provides following technological scheme:
A kind of submersible pump, comprise the pump housing, the pump housing comprises housing and the pump cover that is connected with housing two ends and rear end cover, pump cover is connected with water inflow, be configured with into water chamber between pump cover and water inflow, motor is provided with in housing, the output shaft of motor stretches into into water chamber, and the output terminal of this output shaft is connected with impeller, impeller is positioned at water-inlet cavity indoor, it is characterized in that: between described pump cover and housing, be configured with sealed chamber, sealed chamber comprises the first sealed wall being positioned at pump cover inwall and the second sealed wall being positioned at housing exterior walls, first sealed wall is provided with the first annular canister, second sealed wall is provided with the second annular canister, be provided with for the double seals part outside sheathed motor output shaft between first annular canister and the second annular canister, double seals part comprises the first sealing framework being positioned at the first annular canister and the second sealing framework being positioned at the second annular canister, be connected by elastic skeleton between first sealing framework with the second sealing framework, wherein, first sealing framework is identical with the structure of the second sealing framework, the inner shield ring that first sealing framework comprises the outer back-up ring for supporting elastic skeleton and is set on outside outer back-up ring, inner shield ring is arranged in the first annular canister, elastic skeleton comprises the supporting frame be slidably connected with the outer back-up ring on the first sealing framework and the second sealing framework respectively, construction opening is configured with between two supporting frames, construction opening is arranged with spring.
By adopting technique scheme, water infiltrates to the first sealed wall from pump cover, because the first sealing framework is provided with outer back-up ring and inner shield ring, substantially increase the sealing of the first annular canister, stop water and infiltrate first ring sealing drum, water can flow out from outer back-up ring and be pressed on supporting frame, by the impact of hydraulic pressure, the supporting frame be positioned on the first sealing framework moves forward, because output shaft is in rotation, water can be thrown out of in sealed chamber, substantially increases the sealing of product.When anhydrous entering, due to the contractile force of spring, supporting frame can bounce back to top on inner shield ring.The effect of the second time sealing that the second sealing framework plays, further increases the sealing of product, has stopped water and flow in housing from output shaft, effectively protected motor.
The utility model is set to further: described water inflow comprises chassis and filter screen disk, filter screen disk offers some filtering hole, the tapered shape of this filtering hole, the aperture of filtering hole from filter screen disk outer wall to the inwall of filter screen disk in increasing progressively shape.
By adopting technique scheme, filtering hole is arranged to cone-shaped, while improve filtering effect, serves the effect of noise reduction, when transmission sound is to the inwall of filtering hole, forms the effect of echo.
The utility model is set to further: described pump cover offers mounting groove relative to the side of the first annular canister, is provided with oil seal collar in mounting groove.
By adopting technique scheme, oil seal collar further increases the sealing of pump cover, and anti-sealing enters in pump cover.
Accompanying drawing explanation
Fig. 1 is structure sectional view of the present utility model.
Fig. 2 is the structure sectional view of the utility model double seals part.
Embodiment
With reference to Fig. 1, embodiment of the present utility model is described further.
A kind of submersible pump, comprise the pump housing, the pump housing comprises housing 1 and the pump cover 2 that is connected with housing 1 two ends and rear end cover 11, pump cover 2 is connected with water inflow 3, be configured with between pump cover 2 and water inflow 3 into water chamber 10, motor 1a is provided with in housing 1, the output shaft 1b of motor 1a stretches into into water chamber 10, and the output terminal of this output shaft 1b is connected with impeller 12, impeller 12 is positioned at into water chamber 10, sealed chamber 4 is configured with between pump cover 2 and housing 1, sealed chamber 4 comprises the first sealed wall being positioned at pump cover 2 inwall and the second sealed wall being positioned at housing 1 outer wall, first sealed wall is provided with the first annular canister 41, second sealed wall is provided with the second annular canister 42, be provided with between first annular canister 41 and the second annular canister 42 for the double seals part 5 outside sheathed motor 1a output shaft 1b, double seals part 5 comprises the first sealing framework 51 being positioned at the first annular canister 41 and the second sealing framework 52 being positioned at the second annular canister 42, be connected by elastic skeleton 50 between first sealing framework 51 with the second sealing framework 52, wherein, first sealing framework 51 is identical with the structure of the second sealing framework 52, the inner shield ring 512 that first sealing framework 51 comprises the outer back-up ring 511 for supporting elastic skeleton 50 and is set on outside outer back-up ring 511, inner shield ring 512 is arranged in the first annular canister 41, elastic skeleton 50 comprises the supporting frame (53 be slidably connected with the outer back-up ring on the first sealing framework 51 and the second sealing framework 52 respectively, 54), two supporting frames (53, 54) construction opening is configured with between, construction opening is arranged with spring 55.
By adopting technique scheme, water infiltrates to the first sealed wall from pump cover 2, because the first sealing framework 51 is provided with outer back-up ring 511 and inner shield ring 512, substantially increase the sealing of the first annular canister 41, stop water and infiltrate first ring sealing drum, water can flow out from outer back-up ring 511 and be pressed on supporting frame 53, on, by the impact of hydraulic pressure, be positioned at the supporting frame 53 on the first sealing framework 51, move forward, because output shaft 1b is in rotation, water can be thrown out of in sealed chamber 4, substantially increases the sealing of product.When anhydrous entering, due to the contractile force of spring 55, supporting frame 53 can bounce back to top on inner shield ring 512.The effect of the second time sealing that the second sealing framework 52 plays, further increases the sealing of product, has stopped water and flow in housing 1 from output shaft 1b, effective protection motor 1a.
The utility model is set to further: described water inflow 3 comprises chassis 31 and filter screen disk 32, filter screen disk 32 offers some filtering hole 30, the tapered shape of this filtering hole 30, the aperture of filtering hole 30 from filter screen disk 32 outer wall to the inwall of filter screen disk 32 in increasing progressively shape.
By adopting technique scheme, filtering hole 30 is arranged to cone-shaped, while improve filtering effect, serves the effect of noise reduction, when transmission sound is to the inwall of filtering hole 30, forms the effect of echo.
The utility model is set to further: described pump cover 2 offers mounting groove relative to the side of the first annular canister 41, is provided with oil seal collar 21 in mounting groove.
By adopting technique scheme, oil seal collar 21 further increases the sealing of pump cover 2, and anti-sealing enters in pump cover 2.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, those skilled in the art carries out common change and replaces should being included in protection domain of the present utility model within the scope of technical solutions of the utility model.
Claims (3)
1. a submersible pump, comprise the pump housing, the pump housing comprises housing and the pump cover that is connected with housing two ends and rear end cover, pump cover is connected with water inflow, be configured with into water chamber between pump cover and water inflow, motor is provided with in housing, the output shaft of motor stretches into into water chamber, and the output terminal of this output shaft is connected with impeller, impeller is positioned at water-inlet cavity indoor, it is characterized in that: between described pump cover and housing, be configured with sealed chamber, sealed chamber comprises the first sealed wall being positioned at pump cover inwall and the second sealed wall being positioned at housing exterior walls, first sealed wall is provided with the first annular canister, second sealed wall is provided with the second annular canister, be provided with for the double seals part outside sheathed motor output shaft between first annular canister and the second annular canister, double seals part comprises the first sealing framework being positioned at the first annular canister and the second sealing framework being positioned at the second annular canister, be connected by elastic skeleton between first sealing framework with the second sealing framework, wherein, first sealing framework is identical with the structure of the second sealing framework, the inner shield ring that first sealing framework comprises the outer back-up ring for supporting elastic skeleton and is set on outside outer back-up ring, inner shield ring is arranged in the first annular canister, elastic skeleton comprises the supporting frame be slidably connected with the outer back-up ring on the first sealing framework and the second sealing framework respectively, construction opening is configured with between two supporting frames, construction opening is arranged with spring.
2. a kind of submersible pump according to claim 1, it is characterized in that: described water inflow comprises chassis and filter screen disk, filter screen disk offers some filtering hole, the tapered shape of this filtering hole, the aperture of filtering hole from filter screen disk outer wall to the inwall of filter screen disk in increasing progressively shape.
3. a kind of submersible pump according to claim 1, is characterized in that: described pump cover offers mounting groove relative to the side of the first annular canister, is provided with oil seal collar in mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520808337.5U CN205154662U (en) | 2015-10-19 | 2015-10-19 | Submersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520808337.5U CN205154662U (en) | 2015-10-19 | 2015-10-19 | Submersible pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205154662U true CN205154662U (en) | 2016-04-13 |
Family
ID=55690365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520808337.5U Expired - Fee Related CN205154662U (en) | 2015-10-19 | 2015-10-19 | Submersible pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205154662U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594301A (en) * | 2016-12-22 | 2017-04-26 | 武汉船用机械有限责任公司 | Bottom valve used for immersed pump well |
-
2015
- 2015-10-19 CN CN201520808337.5U patent/CN205154662U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594301A (en) * | 2016-12-22 | 2017-04-26 | 武汉船用机械有限责任公司 | Bottom valve used for immersed pump well |
| CN106594301B (en) * | 2016-12-22 | 2019-11-05 | 武汉船用机械有限责任公司 | A kind of bottom valve for immersed pump pump sump |
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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: 20160413 Termination date: 20161019 |