CN204226218U - Multistage pump - Google Patents
Multistage pump Download PDFInfo
- Publication number
- CN204226218U CN204226218U CN201420238929.3U CN201420238929U CN204226218U CN 204226218 U CN204226218 U CN 204226218U CN 201420238929 U CN201420238929 U CN 201420238929U CN 204226218 U CN204226218 U CN 204226218U
- Authority
- CN
- China
- Prior art keywords
- axle
- pump housing
- pump
- connecting base
- motor
- 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 is a kind of multistage pump, comprise the pump housing and motor, the bottom of the pump housing is provided with return pipe parts, axle is provided with in the central position of the pump housing, axle is provided with bearing shell, sleeve nut, pin, axle sleeve, connecting base, motor is provided with motor shaft, axle is fixed by coupling and motor shaft, axle is provided with mechanical seal and sealing gasket, nut and outlet valve is provided with at the two ends of connecting base, between connecting base and the pump housing, be provided with urceolus, impeller, impeller interstage sleeve, stage casing, the pump housing is provided with turnbuckle, water intake, water outlet.This model utility structure is simple, and floor space is little, and efficiency is high, performance range is wide, safe and reliable during operation, noise is low, it is little to shake.
Description
Technical field:
The utility model relates to the field of pump, specifically a kind of multistage pump.
Background technique:
At present, all can use pump in occasions such as house, hotel, office building, commercial building, factory, hospitals in feedwater, in use, the floor space of discovery pump is large, Heavy Weight, and during operation, noise is high, vibrations are large, smoothness is low.
Summary of the invention:
The purpose of this utility model is to overcome above technical problem, provides a kind of multistage pump, and this Multi-stage pump structure is simple, and floor space is little, and efficiency is high, performance range is wide, safe and reliable during operation, noise is low, it is little to shake.
The purpose of this utility model is achieved through the following technical solutions: a kind of multistage pump comprises the pump housing and motor, the bottom of the pump housing is provided with return pipe parts, axle is provided with in the central position of the pump housing, axle is provided with bearing shell, sleeve nut, pin, axle sleeve, connecting base, motor is provided with motor shaft, axle is fixed by coupling and motor shaft, axle is provided with mechanical seal and sealing gasket, nut and outlet valve is provided with at the two ends of connecting base, urceolus is provided with between connecting base and the pump housing, impeller, impeller interstage sleeve, stage casing, the pump housing is provided with turnbuckle, water intake, water outlet.
Further improvement of the utility model is: described water intake is identical with water outlet aperture specification, and the flange of water intake and water outlet on the same line.
Further improvement of the utility model is: the material of described urceolus is stainless steel.
Further improvement of the utility model is: described multistage pump adopts vertical pump structure.
Further improvement of the utility model is: described multistage pump adopts hydraulic equilibrium axial force.
The utility model compared with prior art has the following advantages:
1, this model utility adopts vertical pump structure, has the advantages that efficiency is high, performance range is wide, can save floor space better;
2, this multistage pump adopts high-quality axle and high-quality motor, make pump operation safer reliable, noise is low, it is little to vibrate;
3, the sealing of this multistage pump adopts mechanical seal, has sealing reliable, dead-tight feature;
4, this multistage pump adopts hydraulic equilibrium axial force, reduces balancing drum, operation can be made more steady;
5, the water outlet of this multistage pump is provided with outlet valve, can ensure that in pump, gas can drain completely;
6, impeller can adopt bronze material, and after avoiding lengthy shut down, between impeller and stator, rust closes.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model;
Number in the figure: the 1-pump housing, 2-turnbuckle, 3-urceolus, 4-impeller, 5-impeller interstage sleeve, 6-axle sleeve, 7-sealing gasket, 8-nut, 9-pin, 10-motor, 11-coupling, 12-connecting base, 13-outlet valve, 14-mechanical seal, 15-axle, 16-stage casing, 17-sleeve nut, 18-bearing shell, 19-return pipe parts, 20-water intake, 21-water outlet, 22-motor shaft.
Embodiment:
In order to deepen, to understanding of the present utility model, to be described in further detail operation of the present utility model below in conjunction with accompanying drawing.
As Fig. 1 shows a kind of mode of execution of the utility model multistage pump, comprise the pump housing 1 and motor 10, the bottom of the pump housing 1 is provided with return pipe parts 19, axle 15 is provided with in the central position of the pump housing 1, axle 15 is provided with bearing shell 18, sleeve nut 17, pin 9, axle sleeve 6, connecting base 12, motor 10 is provided with motor shaft 22, axle 15 is fixed by coupling 11 and motor shaft 22, axle 15 is provided with mechanical seal 14 and sealing gasket 7, nut 8 and outlet valve 13 is provided with at the two ends of connecting base 12, urceolus 3 is provided with between connecting base 12 and the pump housing 1, impeller 4, impeller interstage sleeve 5, stage casing 16, the pump housing 1 is provided with turnbuckle 2, water intake 20, water outlet 21.This model utility structure is simple, and floor space is little, and efficiency is high, performance range is wide, safe and reliable during operation, noise is low, it is little to shake.
Use hand switch motor 10 before activation, impeller 4 rotates flexibly without card mill phenomenon, opens water intake 20 valve, opening outlet valve 13 makes liquid be full of whole pump chamber, then close outlet valve, move a few circle with setting stick and enter mechanical seal 14 end face, crawl motor 10 to make lubrication water, determine that running is correct, standard-sized sheet water intake 10 valve, closes water outlet 21 tube valve, switches on power, when opening the valve on water outlet 21 pipeline after pump reaches normal operation more gradually, and regulate required operating mode.Work well, after having worked, close water outlet 21 valve gradually, cut off the electricity supply, close water intake 20 valve.
Claims (3)
1. a multistage pump, it is characterized in that: described multistage pump comprises the pump housing (1) and motor (10), the bottom of the described pump housing (1) is provided with return pipe parts (19), axle (15) is provided with in the central position of the described pump housing (1), described axle (15) is provided with bearing shell (18), sleeve nut (17), pin (9), axle sleeve (6), connecting base (12), described motor (10) is provided with motor shaft (22), described axle (15) is fixed by coupling (11) and described motor shaft (22), described axle (15) is provided with mechanical seal (14) and sealing gasket (7), nut (8) and outlet valve (13) is provided with at the two ends of described connecting base (12), urceolus (3) is provided with between described connecting base (12) and the described pump housing (1), impeller (4), impeller interstage sleeve (5), stage casing (16), the described pump housing (1) is provided with turnbuckle (2), water intake (20), water outlet (21), described water intake (10) is identical with the bore specification of water outlet (11), the flange of described water intake (10) and water outlet (11) on the same line, described multistage pump adopts hydraulic equilibrium axial force.
2. multistage pump according to claim 1, is characterized in that: the material of described urceolus (3) is stainless steel.
3. multistage pump according to claim 1, is characterized in that: described multistage pump adopts vertical pump structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420238929.3U CN204226218U (en) | 2014-05-09 | 2014-05-09 | Multistage pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420238929.3U CN204226218U (en) | 2014-05-09 | 2014-05-09 | Multistage pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204226218U true CN204226218U (en) | 2015-03-25 |
Family
ID=52924322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420238929.3U Expired - Fee Related CN204226218U (en) | 2014-05-09 | 2014-05-09 | Multistage pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204226218U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253471A (en) * | 2020-10-26 | 2021-01-22 | 长沙中联泵业股份有限公司 | High-temperature high-pressure multi-stage pump |
-
2014
- 2014-05-09 CN CN201420238929.3U patent/CN204226218U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253471A (en) * | 2020-10-26 | 2021-01-22 | 长沙中联泵业股份有限公司 | High-temperature high-pressure multi-stage 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 |
Granted publication date: 20150325 Termination date: 20150509 |
|
| EXPY | Termination of patent right or utility model |