CN202789575U - Horizontal type single level cutting line fire pump set - Google Patents
Horizontal type single level cutting line fire pump set Download PDFInfo
- Publication number
- CN202789575U CN202789575U CN201220487751.7U CN201220487751U CN202789575U CN 202789575 U CN202789575 U CN 202789575U CN 201220487751 U CN201220487751 U CN 201220487751U CN 202789575 U CN202789575 U CN 202789575U
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- Prior art keywords
- impeller
- vane wheel
- pump
- motor
- utility
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Abstract
The utility model relates to a horizontal type single level cutting line fire pump set which comprises a vane wheel nut, a pump shaft, an air vent valve, a pump body, a draining rotating plug, a vane wheel, a pump cover and a motor. The vane wheel is an opening type vane wheel. An annular pumping chamber is arranged in the pump body. The vane wheel is arranged in the annular pumping chamber. A center through hole is formed in the center of the vane wheel. A shaft end of the pump shaft of the motor is arranged in the center through hole of the vane wheel. The raining rotating plug is arranged on a water draining port of the motor. The vane wheel nut is arranged on the front end surface of the vane wheel. The draining rotating plug is controlled through the air vent valve. Compared with the prior art, the opening type vane wheel is used when the pump is guaranteed to work reliably at the same time. Water supplying pressure is stable. The horizontal type single level cutting line fire pump set is not prone to being corroded, small in size and low in investment.
Description
Technical field
The utility model relates to a kind of pump group, relates in particular to a kind of horizontal single-stage tangent fire pumps group that adopts unshrouded impeller.
Background technique
Along with development, the prosperity of society, the security against fire of house, office space, public place seems and becomes more and more important.Fire water pump is as a kind of requisite fire-fighting equipment, and in order to guarantee security against fire, fire water pump is high to the reliability requirement of self.Existing fire water pump generally is made of the power engine that power is provided, support, water pump.
In existing technology, all adopt common clear water centrifugal pump to replace fire water pump by the material of removable parts part in the fire-fighting system, and utilize frequency conversion control technique to carry out the feedwater of fire-fighting system.There is following shortcoming in this pump: 1, in the full flow scope, the lift excursion is large, and lift reduces with the increase of flow, and system is superpressure when small flow, underpressure during large flow; 2, adopt double shrouded wheel, the fitted seal ring is arranged, the phenomenon such as produce easily corrosion, kill.
The model utility content
For the problems referred to above, main purpose of the present utility model is to provide a kind of horizontal single-stage tangent fire pumps group that adopts unshrouded impeller.
The utility model solves above-mentioned technical problem by following technical proposals: a kind of horizontal single-stage tangent fire pumps group, described Fire Fighting Pumps comprises: impeller nut, pump shaft, bleed valve, the pump housing, drain cock, impeller, pump cover and motor, described impeller is unshrouded impeller, be provided with annular pumping chamber in the described pump housing, described impeller is arranged in the annular pumping chamber, the center of described impeller is provided with central through bore, the pump shaft axle head of described motor is arranged in the central through bore of impeller, dewatering outlet at motor is provided with drain cock, the front-end face place of described impeller is provided with impeller nut, and described drain cock is controlled by bleed valve.
In specific embodiment of the utility model, between the described pump housing and pump cover, be provided with O type rubber seal.
In specific embodiment of the utility model, the blade of described impeller is prismatic blade.
Positive progressive effect of the present utility model is: the horizontal single-stage tangent fire pumps group that the utility model provides has following advantage: the utility model and prior art compare, because used unshrouded impeller, when guaranteeing the pump reliably working, pressure of supply water stablizes, is difficult for that corrosion is killed, volume is little, little investment.
Description of drawings
Fig. 1 is one of structural representation of the present utility model.
Fig. 2 is two of structural representation of the present utility model.
Embodiment
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to describe the technical solution of the utility model in detail.
Fig. 1 is structural representation of the present utility model, Fig. 2 is two of structural representation of the present utility model, shown in Fig. 1-2: the utility model comprises: impeller nut 1, pump shaft 2, bleed valve 3, the pump housing 4, drain cock 5, impeller 6, pump cover 7 and motor 9, impeller is unshrouded impeller, be provided with annular pumping chamber in the described pump housing 4, impeller 6 is arranged in the annular pumping chamber, the center of described impeller 6 is provided with central through bore, pump shaft 2 axle heads of described motor are arranged in the central through bore of impeller 6, be provided with drain cock 5 in the dewatering outlet of motor, the front-end face place of described impeller 6 is provided with impeller nut 1, and drain cock 5 is by bleed valve 3 controls.Be provided with O type rubber seal 8 between the pump housing 4 and pump cover 7, the blade of impeller 6 is prismatic blade.The utility model and prior art compare, because used unshrouded impeller, when guaranteeing the pump reliably working, pressure of supply water stablizes, is difficult for that corrosion is killed, volume is little, little investment.
More than show and described basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications; these changes and improvements all fall in claimed the utility model scope, and the claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. horizontal single-stage tangent fire pumps group, described Fire Fighting Pumps comprises: impeller nut, pump shaft, bleed valve, the pump housing, drain cock, impeller, pump cover and motor, it is characterized in that: described impeller is unshrouded impeller, be provided with annular pumping chamber in the described pump housing, described impeller is arranged in the annular pumping chamber, the center of described impeller is provided with central through bore, the pump shaft axle head of described motor is arranged in the central through bore of impeller, dewatering outlet at motor is provided with drain cock, the front-end face place of described impeller is provided with impeller nut, and described drain cock is controlled by bleed valve.
2. horizontal single-stage tangent fire pumps group according to claim 1 is characterized in that: be provided with O type rubber seal between the described pump housing and pump cover.
3. horizontal single-stage tangent fire pumps group according to claim 1, it is characterized in that: the blade of described impeller is prismatic blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220487751.7U CN202789575U (en) | 2012-09-21 | 2012-09-21 | Horizontal type single level cutting line fire pump set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220487751.7U CN202789575U (en) | 2012-09-21 | 2012-09-21 | Horizontal type single level cutting line fire pump set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202789575U true CN202789575U (en) | 2013-03-13 |
Family
ID=47816845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220487751.7U Expired - Lifetime CN202789575U (en) | 2012-09-21 | 2012-09-21 | Horizontal type single level cutting line fire pump set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202789575U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224253A (en) * | 2016-08-31 | 2016-12-14 | 苏州洪恩流体科技有限公司 | A kind of fire demand water pump |
-
2012
- 2012-09-21 CN CN201220487751.7U patent/CN202789575U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224253A (en) * | 2016-08-31 | 2016-12-14 | 苏州洪恩流体科技有限公司 | A kind of fire demand water pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |