CN218325305U - Constant-pressure tangent fire pump - Google Patents
Constant-pressure tangent fire pump Download PDFInfo
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- CN218325305U CN218325305U CN202222465333.4U CN202222465333U CN218325305U CN 218325305 U CN218325305 U CN 218325305U CN 202222465333 U CN202222465333 U CN 202222465333U CN 218325305 U CN218325305 U CN 218325305U
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- pump
- impeller
- fire pump
- constant pressure
- fire
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Abstract
The embodiment of the utility model relates to a water pump, in particular to constant voltage tangent line fire pump, in the impeller below, set up impeller seal device on the pump body of constant voltage tangent line fire pump, impeller seal device and impeller pass through the effective contact length between the adjustment, promote clearance damping, it is simple and easy to have possessed processing, the precision is higher, it is sealed still that non-contact surface damping is simultaneously, there is the advantage of higher sealed effect, more traditional non-contact line is sealed has better sealed effect, impeller seal device and impeller pass through the effective contact length between the adjustment, promote clearance damping, reduce the loss of the volumetric efficiency that the leakage brought, the efficiency of constant voltage tangent line pump is less than ordinary closed impeller water pump among the prior art has been solved, energy-conserving technical problem of high efficiency inadequately.
Description
Technical Field
The embodiment of the utility model relates to a water pump, in particular to constant voltage tangent line fire pump.
Background
In the prior art, a constant-pressure tangent fire pump in a fire-fighting system is widely applied, and because the constant-pressure tangent pump is characterized in that the pressure of an outlet of the constant-pressure tangent fire pump does not change greatly along with the flow change of a water pump, the blade profile of the water pump must have two technical characteristics during design: the water pump adopts open impeller and water pump blade profile to be the radial straight profile blade profile, because the existence of these two characteristics, the efficiency of constant voltage tangent pump is less than ordinary closed impeller water pump, and is energy-efficient inadequately.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a constant voltage tangent line fire pump to this promotes constant voltage tangent line fire pump's efficiency and energy-conservation.
In order to realize the above-mentioned purpose, the utility model provides an embodiment has designed a constant voltage tangent line fire pump, its characterized in that includes:
a constant pressure tangent fire pump;
the impeller is arranged on the constant-pressure tangent fire pump;
impeller sealing device impeller below set up on the pump body of constant pressure tangent line fire pump impeller sealing device, impeller sealing device with the impeller is through the effective contact length between the adjustment, promotes the clearance damping.
Further, the impeller sealing device comprises:
the pump body below the impeller is provided with the groove;
the circular opening ring is arranged in the groove.
Further, the constant-pressure tangent fire pump is provided with the pump body.
Further, the motor is arranged on one side of the pump body.
Furthermore, one end of the motor is connected with a pump electricity common shaft.
Furthermore, a flat key is arranged in the pump electric common shaft.
Furthermore, a water pump discharge port is arranged at one end of the pump body; the other end of the pump body is provided with a water pump suction inlet.
Furthermore, a high-pressure cavity is arranged in the discharge port of the water pump; and a low-pressure cavity is arranged in the water pump suction inlet.
Further, a vane and a pump body compression surface which rotate at a high speed are arranged between the high pressure cavity and the low pressure cavity, and the pump body compression surface is arranged above the vane.
Compared with the prior art, the utility model, the adoption is in the impeller below, set up impeller seal device on the pump body of constant voltage tangent line fire pump, impeller seal device and impeller pass through the effective contact length between the adjustment, promote the clearance damping, it is simple and easy to have possessed processing, the precision is higher, still non-contact surface damping is sealed simultaneously, there is the advantage of higher sealed effect, more traditional non-contact line is sealed has better sealed effect, impeller seal device and impeller pass through the effective contact length between the adjustment, promote the clearance damping, reduce the loss of the volume efficiency that the leakage brought, the efficiency of constant voltage tangent line pump is less than ordinary closed impeller pump among the prior art has been solved, energy-conserving technical problem of high efficiency inadequately.
Drawings
Fig. 1 is a full-section view of the utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present application in the various embodiments of the present invention. However, the technical solutions claimed in the claims of the present application can be implemented without these technical details and with various changes and modifications based on the following embodiments.
The first embodiment of the utility model relates to a constant voltage tangent line fire pump, as shown in fig. 1, include:
the constant-pressure tangent fire pump 1000 in the embodiment, the constant-pressure tangent fire pump 1000 serves as the body of the utility model;
the constant-pressure tangent fire pump 1000 is provided with an impeller 1004, the impeller 1004 sucks the medium from a water pump suction inlet 1007 of a pump body 1005 by the continuous power of a motor 1001, and the medium is pressurized by the pressurizing impeller 1004 and then pumped out from a water pump discharge outlet 1006, so that the medium is continuously pressurized to achieve the effect of lifting or conveying the medium.
Under impeller 1004, set up impeller sealing device 2000 on constant voltage tangent line fire pump 1000's pump body 1005, impeller sealing device 2000 and impeller 1004 promote the clearance damping through the effective contact length between the adjustment, reduce the loss of the volumetric efficiency that the leakage brought, have solved among the prior art efficiency of constant voltage tangent line pump and have been less than ordinary closed impeller water pump, efficient energy-conserving technical problem inadequately.
In this embodiment, in impeller 1004 below, set up impeller sealing device 2000 on the pump body 1005 of constant voltage tangent line fire pump 1000, impeller sealing device 2000 and impeller 1004 are through the effective contact length between the adjustment, promote the clearance damping, it is simple and easy to have possessed, the precision is higher, still non-contact surface damping is sealed simultaneously, there is the advantage of higher sealed effect, more traditional non-contact line is sealed has better sealed effect, impeller sealing device 2000 and impeller 1004 are through the effective contact length between the adjustment, promote the clearance damping, reduce the loss of the volumetric efficiency that the leakage brought, the efficiency of constant voltage tangent line pump is less than ordinary closed impeller pump among the prior art has been solved, not enough high-efficient energy-conserving technical problem.
In order to achieve the above technical effects, as shown in fig. 1, an impeller sealing device 2000 includes:
a groove 2001 is formed in the pump body 1005 below the impeller 1004, and the groove 2001 is used for placing a circular mouth ring 2002;
set up circular choma 2002 in recess 2001, circular choma 2002 is circular form, because circular choma 2002 processes simply, and the precision is higher, still non-contact surface damping is sealed simultaneously, therefore has higher sealed effect, has better sealed effect than traditional non-contact line seal, can promote clearance damping through the effective contact length of adjustment choma, reduces the loss of the volume efficiency that the leakage brought.
In order to achieve the above technical effects, as shown in fig. 1, a pump body 1005 is arranged on the constant-pressure tangent fire pump 1000, and the pump body 1005 is used as the body of the utility model;
in order to achieve the above technical effects, as shown in fig. 1, a motor 1001 is provided at one side of a pump body 1005, the motor 1001 provides power, and the motor 1001 drives an impeller 1004 to rotate.
In order to achieve the above technical effects, as shown in fig. 1, a pump electric common shaft 1002 is connected to one end of a motor 1001, and the pump electric common shaft 1002 is used to connect the motor 1001 and an impeller 1004.
In order to achieve the above technical effects, as shown in fig. 1, a flat key 1003 is disposed in the pump-electric common shaft 1002, and the flat key 1003 is used for flat key connection between the pump-electric common shaft 1002 and the impeller 1004, so as to drive the motor 1001 and rotate the impeller 1004.
In order to achieve the above-described technical effects, as shown in fig. 1, a water pump discharge port 1006 is provided at one end of the pump body 1005; the other end of the pump body is provided with a water pump suction inlet 1007, a water pump discharge outlet 1006 is used for discharging water, and the water pump suction inlet 1007 is used for feeding water.
In order to achieve the above technical effects, as shown in fig. 1, a high-pressure chamber 1008 is arranged in the water pump outlet 1006, and the high-pressure chamber 1008 is used for storing high pressure; a low pressure chamber 1009 is provided in the water pump suction port 1007, and the low pressure chamber 1009 stores low pressure.
In order to achieve the above technical effects, as shown in fig. 1, the high-speed rotating blade 1011 and the pump body compression surface 1051 are disposed between the high-pressure chamber 1008 and the low-pressure chamber 1009, the pump body compression surface 1051 is above the blade 1011, and the isolation between the high-pressure chamber 1008 of the water pump discharge port 1006 and the low-pressure chamber 1009 of the suction port 1007 is realized by the non-contact line seal gap damping between the high-speed rotating blade 1011 and the pump body compression surface 1051, and the smaller the gap is kept, the smaller the leakage amount is, and the higher the unit operation efficiency is.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the present invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the present invention in practice.
Claims (9)
1. The utility model provides a constant voltage tangent line fire pump which characterized in that includes:
a constant pressure tangent fire pump;
the impeller is arranged on the constant-pressure tangent fire pump;
impeller sealing device impeller below set up on the pump body of constant pressure tangent line fire pump impeller sealing device, impeller sealing device with the impeller is through the effective contact length between the adjustment, promotes the clearance damping.
2. The constant pressure tangential fire pump as defined in claim 1, wherein said impeller seal means comprises:
the pump body below the impeller is provided with the groove;
the circular opening ring is arranged in the groove.
3. A constant pressure tangential fire pump as claimed in claim 1, wherein the pump body is provided on the constant pressure tangential fire pump.
4. The constant pressure tangential fire pump as defined in claim 2, wherein a motor is provided on one side of the pump body.
5. A constant pressure tangential fire pump as claimed in claim 4, wherein an electric common shaft of the pump is connected to one end of the motor.
6. A constant pressure tangential fire pump as in claim 5, wherein a flat key is provided in said pump electrical common shaft.
7. The constant pressure tangential fire pump as defined in claim 3, wherein a water pump discharge port is provided at one end of the pump body; the other end of the pump body is provided with a water pump suction inlet.
8. A constant pressure tangential fire pump as claimed in claim 7, wherein a high pressure chamber is provided in the water pump discharge; and a low-pressure cavity is arranged in the water pump suction inlet.
9. A constant pressure tangential fire pump as in claim 8, wherein a high speed rotating vane and pump compression surface is provided between the high pressure chamber and the low pressure chamber, the pump compression surface being above the vane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222465333.4U CN218325305U (en) | 2022-09-16 | 2022-09-16 | Constant-pressure tangent fire pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222465333.4U CN218325305U (en) | 2022-09-16 | 2022-09-16 | Constant-pressure tangent fire pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218325305U true CN218325305U (en) | 2023-01-17 |
Family
ID=84837875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222465333.4U Active CN218325305U (en) | 2022-09-16 | 2022-09-16 | Constant-pressure tangent fire pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218325305U (en) |
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2022
- 2022-09-16 CN CN202222465333.4U patent/CN218325305U/en active Active
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