CN204186600U - A kind of self-priming pump - Google Patents
A kind of self-priming pump Download PDFInfo
- Publication number
- CN204186600U CN204186600U CN201420543347.6U CN201420543347U CN204186600U CN 204186600 U CN204186600 U CN 204186600U CN 201420543347 U CN201420543347 U CN 201420543347U CN 204186600 U CN204186600 U CN 204186600U
- Authority
- CN
- China
- Prior art keywords
- pump
- impeller
- chamber
- pump housing
- shaft
- 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
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a kind of self-priming pump, comprise the pump housing, pump cover, impeller, middle frame, suspension, pump shaft, drive unit, impeller is arranged in the fluid space of the pump housing and pump cover formation, the first chamber be communicated with free air space is respectively provided with in the pump housing, second chamber, 3rd chamber, the pump housing is provided with fluid output at the first chamber place, fluid inlet is provided with at the second chamber place, and be provided with fluid-infusing port at the 3rd chamber place, pump shaft by bearings in suspension, pump shaft one end connects in the middle part of impeller through the through hole of pump cover, the other end connecting drive device, pump shaft outside is provided with axle sleeve, axle sleeve is positioned at the through hole of pump cover, axle sleeve outside is provided with mechanical sealing assembly.The self-priming pump that the utility model proposes, wheel rotation sucks fluid by S type second chamber from suction flange, and is discharged from outlet(discharge) flange by sucked fluid by the second chamber, its compact structure, energy-efficient, guarantee impeller performance is reliable, and can Automatic Extraction fluid.
Description
Technical field
The utility model relates to pump technical field, particularly relates to a kind of self-priming pump.
Background technique
Centrifugal pump is according to centrifugal principle design, and the impeller blade carry fluid of High Rotation Speed rotates, and is thrown away by fluid, thus reaches the object of conveying.The field such as current centrifugal pump is widely used in the industry production deslagginves such as mine, metallurgy, electric power, chemical industry, ore discharge, dig sand.But centrifugal pump is when bringing into use, cannot automatic loading water, need manually in the pump housing, to fill liquid in advance, then could start drawing liquid work, this makes troubles to user's use.
Although self-priming pump can solve this deficiency of Ordinary Centrifugal Pumps, but existing various self-priming pump (jet pump, screw pump, self priming pump etc.), often various problem can be run in actual practical process, as:, Seal cage and mechanical seal exists and lost efficacy or the problem such as leakage, affects efficiency and the working life of self-priming pump; 2, the parts such as elbow, safety check, sub-propeller consume great waterpower, affect the working efficiency of self-priming pump.Therefore, these problems have impact on utilization efficiency and the life-span of self-priming pump greatly.
Model utility content
For solving in background technique the technical problem existed, the utility model proposes a kind of self-priming pump, energy-efficient, reliable performance, can Automatic Extraction liquid, long service life.
A kind of self-priming pump that the utility model proposes, comprises the pump housing, pump cover, impeller, middle frame, suspension, pump shaft, drive unit;
Pump cover is fixed between the pump housing and middle frame by middle frame, fluid space is provided with between pump cover and the pump housing, impeller is arranged in above-mentioned fluid space, the pump housing is provided with the first chamber in the plane in the sense of rotation of impeller, the pump housing is provided with outlet at the first chamber place, above-mentioned outlet port is connected with outlet(discharge) flange, the pump housing is provided with the second chamber in the rotor shaft direction of impeller, second chamber has S type structure, it extends from the rotating shaft of impeller to the direction away from impeller, and be communicated with above-mentioned fluid space in rotating shaft place of impeller, the pump housing is provided with import at the second chamber away from one end of impeller, above-mentioned inlet is connected with suction flange, the 3rd chamber is also provided with in the pump housing, it is communicated with above-mentioned fluid space, the pump housing is provided with fluid-infusing port at the 3rd chamber place,
Pump cover is provided with through hole in the rotor shaft direction of impeller, suspension is connected to the side of middle frame away from pump housing impeller, suspension inside is provided with the through cavities that the rotor shaft direction along impeller extends, be provided with successively away from the clutch shaft bearing lid of the pump housing in above-mentioned through cavities, clutch shaft bearing, second bearing and the second bearing cap, pump shaft by clutch shaft bearing and the second bearings in above-mentioned through cavities, one end of pump shaft is connected in the middle part of impeller through the through hole of pump cover, the other end is at the side connecting drive device of suspension away from middle frame, pump shaft outside is provided with axle sleeve, it is positioned at the through hole of pump cover, axle sleeve outside is provided with mechanical sealing assembly, the first Sealing and the second Sealing is provided with between mechanical sealing assembly and pump cover, thus form the first seal space between, pump shaft, suspension, the second seal space is formed between clutch shaft bearing lid and the second bearing cap.
Preferably, freezing mixture is provided with in above-mentioned first seal space.
Preferably, oiling agent is provided with in above-mentioned second seal space.
Preferably, clutch shaft bearing adopts roller bearing.
Preferably, the second bearing adopts angular contact bearing.
Preferably, the first Sealing and the second Sealing are O RunddichtringO.
In the utility model, the self-priming pump proposed, comprise the pump housing, pump cover, impeller, middle frame, suspension, pump shaft, drive unit, impeller is arranged in the fluid space of the pump housing and pump cover formation, the first chamber be communicated with free air space is respectively provided with in the pump housing, second chamber, 3rd chamber, the pump housing is provided with fluid output at the first chamber place, fluid inlet is provided with at the second chamber place, and be provided with fluid-infusing port at the 3rd chamber place, pump shaft by bearings in suspension, pump shaft one end connects in the middle part of impeller through the through hole of pump cover, the other end connecting drive device, pump shaft outside is provided with axle sleeve, axle sleeve is positioned at the through hole of pump cover, axle sleeve outside is provided with mechanical sealing assembly.By the self-priming pump of above-mentioned optimal design, wheel rotation sucks fluid by S type second chamber from suction flange, and by the second chamber, sucked fluid is discharged from outlet(discharge) flange, its compact structure, energy-efficient, guarantee impeller performance is reliable, thus can Automatic Extraction fluid, increase the service life simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of self-priming pump that the utility model proposes.
Embodiment
As shown in Figure 1, Fig. 1 is the structural representation of a kind of self-priming pump that the utility model proposes.
With reference to Fig. 1, a kind of self-priming pump that the utility model proposes, comprises the pump housing 1, pump cover 2, impeller 3, middle frame 4, suspension 5, pump shaft 6, drive unit;
Pump cover 2 is fixed between the pump housing 1 and middleware 4 by middle frame 4, fluid space is provided with between pump cover 2 and the pump housing 1, impeller 3 is arranged in above-mentioned fluid space, the pump housing 1 is provided with the first chamber 11 in the plane in the sense of rotation of impeller 3, the pump housing 1 is provided with outlet at the first chamber 11 place, above-mentioned outlet port is connected with outlet(discharge) flange 14, the pump housing 1 is provided with the second chamber 12 in the rotor shaft direction of impeller 3, second chamber 12 has S type structure, it extends from the rotating shaft of impeller 3 to the direction away from impeller 3, and be communicated with above-mentioned fluid space in rotating shaft place of impeller 3, the pump housing 1 is provided with import at the second chamber 12 away from one end of impeller 3, above-mentioned inlet is connected with suction flange 15, the 3rd chamber 13 is also provided with in the pump housing 1, it is communicated with above-mentioned fluid space, the pump housing 1 is provided with fluid-infusing port 16 at the 3rd chamber 13 place,
Pump cover 2 is provided with through hole in the rotor shaft direction of impeller 3, suspension 5 is connected to the side of middle frame 4 away from pump housing impeller 3, suspension 5 inside is provided with the through cavities that the rotor shaft direction along impeller 3 extends, be provided with successively away from the clutch shaft bearing lid 51 of the pump housing 1 in above-mentioned through cavities, roller bearing 52, angular contact bearing 53 and the second bearing cap 54, pump shaft 6 is supported in through cavities by roller bearing 52 and angular contact bearing 53, one end of pump shaft 6 is connected in the middle part of impeller 3 through the through hole of pump cover 2, the other end is at the side connecting drive device of suspension 5 away from middle frame 4, pump shaft 6 outside is provided with axle sleeve 61, it is positioned at the through hole of pump cover 2, axle sleeve 61 outside is provided with mechanical sealing assembly 62, an O RunddichtringO 71 and the 2nd O RunddichtringO 72 is provided with between mechanical sealing assembly 62 and pump cover 2, thus form the first seal space between, freezing mixture is provided with in first seal space, for reducing the heat produced during wheel rotation, in addition the setting of an O RunddichtringO 71 and the 2nd O RunddichtringO 72, flow into for avoiding extracted liquid and duplicate protection is provided, thus in order to avoid corroded components, pump shaft 6, suspension 5, the second seal space is formed between clutch shaft bearing lid 51 and the second bearing cap 52, oiling agent is provided with in second seal space, for extending the working life of roller bearing and angular contact bearing.
Adopt in the process of the self-priming pump extracting liquid of the present embodiment, when using first, in the 3rd chamber, fluid is injected in advance by fluid-infusing port, the fluid injected flows in the fluid space between the pump housing and pump cover from the 3rd chamber, start drive unit, drive unit is rotated by pump shaft impeller, the fluid of inflow constantly smashes by the blade of impeller, and the fluid be crashed to pieces mixes with the air stirring in this fluid space, generate gas-liquid mixture, constantly flowing causes gas-liquid in this fluid space not to be separated simultaneously, then gas-liquid mixture enters in the first chamber and gas-liquid separation occurs, gas is discharged via outlet(discharge) flange, liquid returns to fluid space, again mix with the air in the pump housing, this process of iterative cycles, until by the air emptying in the pump housing, fluid flows into the second chamber from suction flange, complete self-priming process, in the process extracted, under the effect of the negative pressure produced in wheel rotation, liquid to be extracted is drawn in the fluid space between pump cover and the pump housing via suction flange, liquid simultaneously in fluid space is along with the rotation of impeller, under the influence of centrifugal force along the runner of impeller surface to the first chamber, thus discharge via outlet(discharge) flange, ensure that Liquid extracting processing efficient is energy-conservation, working stability.
In the present embodiment, the self-priming pump proposed, comprise the pump housing, pump cover, impeller, middle frame, suspension, pump shaft, drive unit, impeller is arranged in the fluid space of the pump housing and pump cover formation, the first chamber be communicated with free air space is respectively provided with in the pump housing, second chamber, 3rd chamber, the pump housing is provided with fluid output at the first chamber place, fluid inlet is provided with at the second chamber place, and be provided with fluid-infusing port at the 3rd chamber place, pump shaft by bearings in suspension, pump shaft one end connects in the middle part of impeller through the through hole of pump cover, the other end connecting drive device, pump shaft outside is provided with axle sleeve, axle sleeve is positioned at the through hole of pump cover, axle sleeve outside is provided with mechanical sealing assembly.By the self-priming pump of above-mentioned optimal design, wheel rotation sucks fluid by S type second chamber from suction flange, and by the second chamber, sucked fluid is discharged from outlet(discharge) flange, its compact structure, energy-efficient, guarantee impeller performance is reliable, thus can Automatic Extraction fluid, increase the service life simultaneously.
In a specific embodiment, the stability adopting roller bearing 52 and angular contact bearing 53 to ensure when pump shaft 6 rotates, thus extend the working life of pump shaft 6.
The above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to according to the technical solution of the utility model and model utility design thereof and replace or change, all should be encompassed within protection domain of the present utility model.
Claims (6)
1. a self-priming pump, is characterized in that, comprises the pump housing (1), pump cover (2), impeller (3), middle frame (4), suspension (5), pump shaft (6), drive unit;
Pump cover (2) is fixed between the pump housing (1) and middle frame (4) by middle frame (4), fluid space is provided with between pump cover (2) and the pump housing (1), impeller (3) is arranged in described fluid space, the pump housing (1) is provided with the first chamber (11) in the plane in the sense of rotation of impeller (3), the pump housing (1) is provided with outlet at the first chamber (11) place, described outlet port is connected with outlet(discharge) flange (14), the pump housing (1) is provided with the second chamber (12) in the rotor shaft direction of impeller (3), second chamber (12) has S type structure, it extends from the rotating shaft of impeller (3) to the direction away from impeller (3), and be communicated with described fluid space in rotating shaft place of impeller (3), the pump housing (1) is provided with import at the second chamber (12) away from one end of impeller (3), described inlet is connected with suction flange (15), the 3rd chamber (13) is also provided with in the pump housing (1), it is communicated with described fluid space, the pump housing (1) is provided with fluid-infusing port (16) at the 3rd chamber (13) place,
Pump cover (2) is provided with through hole in the rotor shaft direction of impeller (3), suspension (5) is connected to the side of middle frame (4) away from pump housing impeller (3), suspension (5) inside is provided with the through cavities that the rotor shaft direction along impeller (3) extends, be provided with successively away from the clutch shaft bearing lid (51) of the pump housing (1) in described through cavities, clutch shaft bearing (52), second bearing (53) and the second bearing cap (54), pump shaft (6) is supported in described through cavities by clutch shaft bearing (52) and the second bearing (53), one end of pump shaft (6) is connected to impeller (3) middle part through the through hole of pump cover (2), the other end is at the side connecting drive device of suspension (5) away from middle frame (4), pump shaft (6) outside is provided with axle sleeve (61), it is positioned at the through hole of pump cover (2), axle sleeve (61) outside is provided with mechanical sealing assembly (62), the first Sealing (71) and the second Sealing (72) is provided with between mechanical sealing assembly (62) and pump cover (2), thus form the first seal space between, pump shaft (6), suspension (5), the second seal space is formed between clutch shaft bearing lid (51) and the second bearing cap (52).
2. self-priming pump according to claim 1, is characterized in that, is provided with freezing mixture in described first seal space.
3. self-priming pump according to claim 1, is characterized in that, is provided with oiling agent in described second seal space.
4. self-priming pump according to claim 1, is characterized in that, clutch shaft bearing (52) adopts roller bearing.
5. self-priming pump according to claim 1, is characterized in that, the second bearing (53) adopts angular contact bearing.
6. self-priming pump according to claim 1, is characterized in that, the first Sealing (71) and the second Sealing (72) are O RunddichtringO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420543347.6U CN204186600U (en) | 2014-09-19 | 2014-09-19 | A kind of self-priming pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420543347.6U CN204186600U (en) | 2014-09-19 | 2014-09-19 | A kind of self-priming pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204186600U true CN204186600U (en) | 2015-03-04 |
Family
ID=52618609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420543347.6U Expired - Fee Related CN204186600U (en) | 2014-09-19 | 2014-09-19 | A kind of self-priming pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204186600U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545808A (en) * | 2015-12-30 | 2016-05-04 | 安徽安龙机械有限公司 | Leakproof alcohol pump |
-
2014
- 2014-09-19 CN CN201420543347.6U patent/CN204186600U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545808A (en) * | 2015-12-30 | 2016-05-04 | 安徽安龙机械有限公司 | Leakproof alcohol pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103883520B (en) | The rotor-type submersible pump of eccentric shaft and motor direct connection | |
| CN103267021A (en) | Horizontal type self-priming pump | |
| CN204984935U (en) | Formula is singly inhaled to single -stage does not have jam self priming pump | |
| CN206608359U (en) | Energy-efficient customization water pump and its multiple flow passages impeller | |
| CN201228659Y (en) | Horizontal single-stage self-suction centrifugal pump | |
| CN205064301U (en) | Water pump | |
| CN204186600U (en) | A kind of self-priming pump | |
| CN206129620U (en) | Quick self -priming centrifugal pump of combined type | |
| CN201265550Y (en) | Centrifugal pump with ultra-low specific speed | |
| CN204186598U (en) | A kind of centrifugal pump | |
| CN104314829A (en) | Centrifugal pump | |
| CN207178229U (en) | A kind of lateral import internal-mixing self priming pump | |
| CN210164650U (en) | Wear-resisting type chemical process pump | |
| CN209586697U (en) | A kind of chemical flow-process pump preventing blocking | |
| CN203201819U (en) | Large-scale water pump | |
| CN208669615U (en) | A kind of intelligent cold-hot water self priming vortex pump | |
| CN204458404U (en) | A kind of Novel submersible pump | |
| CN205559294U (en) | There is not sealed energy -efficient quick vertical self priming pump | |
| CN204783725U (en) | Portable high -lift immersible pump | |
| CN203297110U (en) | Throttling sealing submersible pump | |
| CN204386892U (en) | Vertical dynamic levitated pump | |
| CN207960964U (en) | A kind of centrifugal pump of single stage type | |
| CN217380907U (en) | High-stability isolated electric water pump | |
| CN207485678U (en) | A kind of good water pump of novel seal | |
| CN107740771A (en) | A kind of one step single sucking formula is without block self-pumping pump |
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: 20150304 Termination date: 20190919 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |