CN206035846U - Fire demand pump - Google Patents
Fire demand pump Download PDFInfo
- Publication number
- CN206035846U CN206035846U CN201621021688.2U CN201621021688U CN206035846U CN 206035846 U CN206035846 U CN 206035846U CN 201621021688 U CN201621021688 U CN 201621021688U CN 206035846 U CN206035846 U CN 206035846U
- Authority
- CN
- China
- Prior art keywords
- pump
- impeller
- motor
- motor shaft
- 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 fire demand pump belongs to water pump technical field. The center of the pump body is provided with the impeller, the right side of the pump body is provided with the pump cover, the pump cover with the sealing washer has been placed between the pump body, the center of the pump body is provided with the centre bore of horizontal structure, the right side of the pump body is provided with the motor, the motor is provided with the motor shaft, the motor shaft is installed in the centre bore, the right -hand member of impeller is provided with impeller nut, the impeller with be provided with the gasket between the impeller nut, the motor shaft with be provided with mechanical seal between the pump cover, still be provided with the bleed valve on the pump cover. The utility model discloses an useful part is: be provided with the motor, fix key for the impeller and impeller nut on the motor to make motor energy band movable vane wheel rotate, and be provided with the bleed valve on the pump cover, thereby can remove the gas that the pump body produced in the use, the utility model discloses simple structure, convenient operation, the cost is lower.
Description
Technical field：
The utility model is related to a kind of fire demand water pump, belongs to pump technology field.
Background technology：
At present, the fire pump installed in built fire supply system, not only exists and is unsatisfactory for existing national regulation
《Fire water-supply and hydrant system technical specification》The phenomenon of GB50974-2014 associated specifications, and exist many hidden
Suffer from, the fire pump for using in engineering construction field at present, its flow-lift performance curve generally existing hump, it may appear that water
Pump out the mouth of a river at the same pressure, there are two different flows.Now, fire pump surge operation, does not reach fire department
Fire extinguishing technological requirement, in addition, engineering construction field in a large number use constant-pressure tangent fire pump, the pump capacity-lift performance
Curve is a horizontal line.In fire department fire extinguishing under battle conditions, often occurs the situation of super design discharge with water Jing.Now, constant pressure is cut
The lift of line fire pump declines rapidly, and fire supply system fails rapidly.The performance curve of constant-pressure tangent fire pump does not have
Certain gradient, it is difficult to which automatically controlling for fire supply system is realized by pressure change.So industry needs a kind of new knot
The water pump of structure, to solve problems faced in industry.
The content of the invention：
Technical problem to be solved in the utility model is：A kind of fire demand water pump is provided, to solve what is faced in industry
Problem.
In order to solve above-mentioned technical problem, the utility model is achieved through the following technical solutions：A kind of fire demand water
Pump, is provided with base, is provided with the pump housing on the left of the base, and the bottom of the pump housing is provided with the pipe plug that discharges water.
The pump housing is provided centrally with impeller, is provided with pump cover, the pump cover and the pump housing on the right side of the pump housing
Between be placed with sealing ring.
The centre bore for being provided centrally with horizontal structure of the pump housing, is provided with motor, the electricity on the right side of the pump housing
Machine is provided with motor shaft.
The motor shaft is installed in the centre bore, and the impeller is connected on the motor shaft with being bonded, the impeller
Right-hand member be provided with impeller nut.
Pad is provided between the impeller and the impeller nut, arranges organic between the motor shaft and the pump cover
Tool is sealed, and the mechanical seal is thread seal, is additionally provided with vent valve on the pump cover.
Preferably, be provided with protective cover between the pump cover and the motor, the protective cover and the motor shaft it
Between have retaining ring.
Preferably, the impeller is five chip semi-open-type impellers, the material of the impeller is bronze.
Compared with prior art, usefulness of the present utility model is：Motor is provided with, by impeller key and impeller nut
It is fixed on motor, so that motor energy impeller is rotated, and is provided with vent valve on pump cover, so as to by the pump housing
The gas for producing in use is drained, the utility model simple structure, and easy to operate, cost is relatively low.
Description of the drawings：
Below in conjunction with the accompanying drawings the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model.
In figure：1st, base；2nd, discharge water pipe plug；3rd, the pump housing；4th, impeller；5th, pump cover；6th, key；7th, impeller nut；8th, pad；9、
Sealing ring；10th, vent valve；11st, mechanical seal；12nd, protective cover；13rd, retaining ring；14th, motor.
Specific embodiment：
Below in conjunction with the accompanying drawings and specific embodiment is described in detail to the utility model：One kind according to Fig. 1
Fire demand water pump, is provided with base 1, and the left side of the base 1 is provided with the pump housing 3, and the bottom of the pump housing 3 is provided with adjutage
Stifled 2.
The pump housing 3 is provided centrally with impeller 4, and the right side of the pump housing 3 is provided with pump cover 5, the pump cover 5 with it is described
Sealing ring 9 is placed between the pump housing 3.
The centre bore for being provided centrally with horizontal structure of the pump housing 3, the right side of the pump housing 3 are provided with motor 14, institute
State motor 14 and be provided with motor shaft.
The motor shaft is installed in the centre bore, and the key 6 of the impeller 4 is connected on the motor shaft, the leaf
The right-hand member of wheel 4 is provided with impeller nut 7.
Pad 8 is provided between the impeller 4 and the impeller nut 7, is arranged between the motor shaft and the pump cover 5
There is mechanical seal 11.
The mechanical seal 11 is thread seal, is additionally provided with vent valve 10 on the pump cover 5.
Protective cover 12 is provided between the pump cover 5 and the motor 14, between the protective cover 12 and the motor shaft
There is retaining ring 13.
The impeller 4 is five chip semi-open-type impellers, and the material of the impeller 4 is bronze.
During use, base 1 is provided with, is provided with the pump housing 3 and motor 14 on base 1, is provided with impeller 4 in the pump housing 3,
Impeller 4 is installed on the motor shaft of motor 14, impeller 4 passes through key 6 and impeller nut 7 is fixed on motor shaft, the pump housing 3
Pump cover 5 is additionally provided with, protective cover 12 between pump cover 5 and motor 14, is provided with, vent valve 10 on pump cover 5, is also set up, impeller 4 makes
Gas can be produced with during, gas influences whether the use of the pump housing 3 in the pump housing 3, will be produced by vent valve 10 in the pump housing 3
Gas emit.
It is emphasized that：The above is only preferred embodiment of the present utility model, not the utility model is appointed
What pro forma restriction, every any simple modification above example made according to technical spirit of the present utility model, etc.
With change and modification, still fall within the range of technical solutions of the utility model.
Claims (3)
1. a kind of fire demand water pump, it is characterised in that：Base (1) is provided with, the pump housing (3) on the left of base (1), is provided with,
The bottom of the pump housing (3) is provided with the pipe plug that discharges water (2), and the pump housing (3) are provided centrally with impeller (4), the pump housing (3)
Right side be provided with pump cover (5), be placed with sealing ring (9) between pump cover (5) and the pump housing (3), the pump housing (3)
The centre bore of horizontal structure is provided centrally with, motor (14) on the right side of the pump housing (3), is provided with, motor (14) are provided with
Motor shaft, the motor shaft are installed in the centre bore, and impeller (4) are connected on the motor shaft with key (6), described
The right-hand member of impeller (4) is provided with impeller nut (7), is provided with pad (8) between impeller (4) and the impeller nut (7),
Mechanical seal (11) is provided between the motor shaft and the pump cover (5), and described mechanical seal (11) are thread seal, described
Vent valve (10) is additionally provided with pump cover (5).
2. fire demand water pump according to claim 1, it is characterised in that：Between pump cover (5) and the motor (14)
Protective cover (12) is provided with, between protective cover (12) and the motor shaft, has retaining ring (13).
3. fire demand water pump according to claim 1, it is characterised in that：Described impeller (4) are five chip semi-open-type leaves
Wheel, the material of impeller (4) is bronze.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621021688.2U CN206035846U (en) | 2016-08-31 | 2016-08-31 | Fire demand pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621021688.2U CN206035846U (en) | 2016-08-31 | 2016-08-31 | Fire demand pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206035846U true CN206035846U (en) | 2017-03-22 |
Family
ID=58301970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621021688.2U Expired - Fee Related CN206035846U (en) | 2016-08-31 | 2016-08-31 | Fire demand pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206035846U (en) |
Cited By (2)
| 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 |
| RU201646U1 (en) * | 2018-12-17 | 2020-12-24 | Общество с ограниченной ответственностью "УНИМОД ГРУПП" | Fire pump |
-
2016
- 2016-08-31 CN CN201621021688.2U patent/CN206035846U/en not_active Expired - Fee Related
Cited By (2)
| 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 |
| RU201646U1 (en) * | 2018-12-17 | 2020-12-24 | Общество с ограниченной ответственностью "УНИМОД ГРУПП" | Fire 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170322 Termination date: 20170831 |