CN201650844U - High-efficiency centrifugal pump - Google Patents
High-efficiency centrifugal pump Download PDFInfo
- Publication number
- CN201650844U CN201650844U CN2010200592270U CN201020059227U CN201650844U CN 201650844 U CN201650844 U CN 201650844U CN 2010200592270 U CN2010200592270 U CN 2010200592270U CN 201020059227 U CN201020059227 U CN 201020059227U CN 201650844 U CN201650844 U CN 201650844U
- Authority
- CN
- China
- Prior art keywords
- impeller
- pump housing
- motor
- pump
- ring
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/16—Sealings between pressure and suction sides
- F04D29/165—Sealings between pressure and suction sides especially adapted for liquid pumps
- F04D29/167—Sealings between pressure and suction sides especially adapted for liquid pumps of a centrifugal flow wheel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a high-efficiency centrifugal pump which mainly comprises a motor, a connecting cover, a pump body, an impeller, a hexagonal nut, a level key and an O-shaped sealing ring, wherein: the connection between the motor and the connecting cover is fixed by hexagonal bolts; the connection part between the connecting cover and the pump body is sealed by the O-shaped sealing ring; the impeller is equipped to an elongated rotation shaft of the motor, is connected by the level key and is fixed by the hexagonal nut. The utility model is characterized in that: a leakage reduction ring for sealing is provided between the impeller and the pump body, and the leakage reduction ring is provided at the combination part between an outer circle of the water inlet of impeller and a water inlet of the pump body. The high-efficiency centrifugal pump has the characteristics of high efficiency, energy saving, reliable performance, convenient mounting and use, etc.
Description
Technical field
The utility model relates to a kind of centrifugal water pump, is meant a kind of efficient centrifugal water pump that adopts the cemented carbide mechanical seal device and subtract the sealing of leakage ring especially.
Background technique
Centrifugal water pump is carried as liquid, be widely used in for carrying clear water and physicochemical properties to be similar to the usefulness of other liquid of clear water, be applicable to supercharging of changes in temperature water cycle and coordinative composition of equipments such as industry and urban water supply and sewerage, tall building supercharging water feeding, gardens sprinkling irrigation, fire-fighting supercharging, remote conveying, HVAC refrigeration cycle, bathroom.Existing centrifugal pump has following deficiency: 1. Spielpassung is adopted in impeller intake place cylindrical and pump housing water intake connecting part, excesssive gap can cause the water in pump inner high voltage district to flow to low pressure area through this gap, influence the water-outlet quantity of pump, efficient is low, and the too small meeting in gap causes impeller and the wearing and tearing of pump housing friction-produced; 2. Sealing adopts defectives such as non-Hardmetal materials hardness is lower, easy to wear, performance is unreliable.
Summary of the invention
The purpose of this utility model provides a kind of pump housing water intake and cylindrical connecting part, impeller intake place and sets up to subtract and leak ring, Sealing and select that having of cemented carbide mechanical seal device is energy-efficient, the efficient centrifugal water pump of reliable performance for use.
Designed a kind of efficient centrifugal water pump according to above-mentioned purpose, comprised motor 1, connecting cover 2, Sealing 3, the pump housing 4, impeller 5, subtract and leak ring 6, hexagon nut 7, flat key 8, O RunddichtringO 9.Motor 1 covers 2 and is connected with hex head bolt and fixes with connecting; Connect cover 2 and the pump housing 4 joints seal with O RunddichtringO 9; Impeller 5 is contained in the motor 1 lengthening rotating shaft and connects, fixes with hexagon nut 7 with flat key 8; Impeller 5 water intake cylindricals and the pump housing 4 water intake connecting parts are adopted to subtract and are leaked ring 6 sealings; Sealing 3 is contained in to connect and covers on 2.
The utility model has been installed to subtract and has been leaked ring 6, selects the cemented carbide mechanical seal device for use, and the impeller and the pump housing adopt modernized fitst water hydraulic model to manufacture and design, have energy-efficient, reliable performance, characteristics such as easy to install.
The utility model centrifugal water pump has following characteristics;
1. pump housing water intake and impeller intake cylindrical connecting part are set up to subtract and are leaked ring, and the water-outlet quantity of pump is big, the efficient height.
2. pump housing water intake and impeller intake cylindrical connecting part are set up to subtract and are leaked ring, are easy to make processing, have reduced requirement on machining accuracy, have improved assembly yield.
3. pump housing water intake and impeller intake cylindrical connecting part are set up to subtract and are leaked ring, and reliable, the life-span is long.
4. Sealing is selected cemented carbide mechanical seal mechanical seal device for use, and is energy-efficient, easy to install.
Description of drawings
Fig. 1 the utility model assembly structure schematic representation;
Fig. 2 the utility model prior art assembly structure schematic representation;
Fig. 3 the utility model has the partial structurtes schematic representation that subtracts the leakage loop device;
Embodiment
Fig. 1 has provided an embodiment of the present utility model, comprises motor 1, connecting cap 2, Sealing 3, the pump housing 4, impeller 5, subtracts and leak ring 6, hexagon nut 7, flat key 8, O RunddichtringO 9.Motor 1 covers 2 and is connected with hex head bolt and fixes with connecting; Connect cover 2 and the pump housing 4 joints seal with O RunddichtringO 9; Impeller 5 is contained in the motor 1 lengthening rotating shaft and connects, fixes with hexagon nut 7 with flat key 8; Ring 6 sealings are leaked with subtracting in impeller 5 water intake cylindricals and the pump housing 4 water intake connecting parts; Sealing 3 is contained in to connect and covers on 2.
Fig. 2 has provided the utility model prior art assembly structure schematic representation; As can be seen, there is the gap about 1mm the pump housing 4 water intakes and impeller 5 water intake cylindrical connecting parts from accompanying drawing, and the water in pump inner high voltage district flows to low pressure area through time gap, influences the water-outlet quantity of pump, and efficient reduces.This gap, place is too small, can cause the wearing and tearing of the pump housing and impeller friction-produced.Sealing 3 is non-cemented carbide mechanical device, and is easy to wear, poor reliability.
Fig. 3 has provided the utility model and has had the partial structurtes schematic representation that subtracts the leakage loop device; As can be seen, the pump housing 4 water intakes and impeller 5 water intake cylindrical connecting parts have been loaded onto to subtract and have been leaked ring 6, have increased the backflow resistance, leak in reducing, and have prolonged the working life of the impeller and the pump housing from accompanying drawing.Sealing 3 adopts the cemented carbide mechanical seal device, reliable performance, and the life-span is long.
Claims (1)
1. an efficient centrifugal water pump mainly includes motor (1), connecting cap (2), the pump housing (4), impeller (5), hexagon nut (7), flat key (8), O RunddichtringO (9); Wherein: motor (1) is connected with hex head bolt with connection lid (2) to be fixed; Connecting lid (2) and the pump housing (4) joint seals with O RunddichtringO (9); Impeller (5) is contained in the rotating shaft of motor (1) lengthening and connects, fixes with hexagon nut (7) with flat key (8); It is characterized in that: be provided with a sealing and leak ring (6) with subtracting between the impeller (5) and the pump housing (4), described subtracting leaked the connecting part that ring (6) is located at impeller (5) water intake cylindrical and the pump housing (4) water intake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200592270U CN201650844U (en) | 2010-01-08 | 2010-01-08 | High-efficiency centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200592270U CN201650844U (en) | 2010-01-08 | 2010-01-08 | High-efficiency centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201650844U true CN201650844U (en) | 2010-11-24 |
Family
ID=43116079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200592270U Expired - Fee Related CN201650844U (en) | 2010-01-08 | 2010-01-08 | High-efficiency centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201650844U (en) |
-
2010
- 2010-01-08 CN CN2010200592270U patent/CN201650844U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20101124 Termination date: 20170108 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |