CN203500054U - Centrifugal pump - Google Patents
Centrifugal pump Download PDFInfo
- Publication number
- CN203500054U CN203500054U CN201320678088.3U CN201320678088U CN203500054U CN 203500054 U CN203500054 U CN 203500054U CN 201320678088 U CN201320678088 U CN 201320678088U CN 203500054 U CN203500054 U CN 203500054U
- Authority
- CN
- China
- Prior art keywords
- pump
- output shaft
- impeller
- pulse wheel
- velocity transducer
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 230000006698 induction Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A centrifugal pump comprises a motor and a pump body, wherein the pump body comprises a pump shell, a front cover, a rear cover and an impeller, wherein the pump shell is provided with a pump cavity, a water outlet and a water inlet, the water outlet and the water inlet are connected with the pump cavity, the impeller is arranged in the pump shell, and the front cover and the rear cover are fixed on the pump shell. The rear end of the pump body is further provided with a containing cavity, an output shaft of the motor sequentially penetrates through the containing cavity and the rear cover and stretches into the pump cavity, the impeller is fixed on the output shaft, the side wall, located in the containing cavity, of the pump shell is provided with a through hole, the pump body is further provided with a speed sensor and a display lamp, the speed sensor is arranged in the through hole, and the output shaft is provided with a pulse wheel. The sensing section of the speed sensor right faces the pulse wheel and is oriented at the axis of the output shaft, and the speed sensor is connected with the display lamp. Due to the fact that the speed sensor is matched with the pulse wheel, rotating speed of the motor can be accurately obtained, the speed is effectively transmitted to a user, and maintaining and disassembling convenience is achieved.
Description
Technical field
The utility model relates to water pump field, especially a kind of centrifugal pump.
Background technique
Existing centrifugal pump is utilize vane rotary and make the centrifugal force of water generates carry out work.Water pump, before startup, must make to be full of water in pump case and suction sleeve, and then starting electrical machinery, makes pump shaft impeller and water do high speed rotary motion, and water, under the effect of centrifugal force, is thrown toward impeller outer edge, flows into the setting-out pipeline of water pump through the runner of volute pump case.
Traditional centrifugal pump integral body is all to adopt cast iron manufacture, its weight is large, and carrying and mobile inconvenient, careful pump in inadaptable, another invention, traditional centrifugal pump does not all have its rotating speed to detect, even if can not know water lift of pump and working state, even maintenance, in order to avoid economic loss.
Model utility content
It is a kind of simple in structure that the purpose of this utility model is to provide, and weight is little, can effectively detect the centrifugal pump of pump head and rotating speed.
For solving the problems of the technologies described above, the utility model provides a kind of centrifugal pump, comprise motor and the pump housing, the described pump housing comprises pump case, protecgulum, bonnet and impeller, on described pump case, be provided with pump chamber and the water outlet being connected with pump chamber and water inlet, described impeller is arranged in pump case, described protecgulum and bonnet are fixed on pump case, described pump housing rear end is also provided with holding cavity, the output shaft of described motor is successively through holding cavity, bonnet also stretches in pump chamber, described impeller is fixed on output shaft, described pump case is positioned on the sidewall of holding cavity and offers through hole, on the described pump housing, be also provided with velocity transducer and display lamp, described velocity transducer is arranged in through hole, on described output shaft, be provided with pulse wheel, the induction section of velocity transducer is over against pulse wheel and towards the axle center of output shaft, described velocity transducer is connected with display lamp.
The utility model improves to be had, and described impeller comprises wheel body, in described wheel body, vortex chamber is set, and vortex chamber offers vortex chamber's import in middle part, and vortex chamber's periphery is provided with a plurality of stators, and stator and wheel body angle are 60 °.
The utility model improves to be had, and described pulse wheel is fixed on output shaft by flat key.
The utility model improves to be had, and the material of described pump case and protecgulum is plastics.
The beneficial effects of the utility model are: the centrifugal pump of new structure is generous attractive in appearance; Working in coordination of Negotiation speed sensor and pulse wheel, can accurately obtain the rotating speed of motor, and speed is effectively passed to user, be convenient to safeguard and dismounting, therefore, novel centrifugal pump have manufacture simple, low cost of manufacture, user cost is low, maintenance cost is low, long service life, pressurized effect is good.
Accompanying drawing explanation
The structural representation that accompanying drawing 1 is centrifugal pump of the present utility model.
Label declaration: 1-motor; 11-output shaft; The 2-pump housing; 21-pump case; 22-holding cavity; 23-pump chamber; 24-through hole; 3-impeller; 4-velocity transducer; 5-display lamp; 6-pulse wheel.
Embodiment
By describing technology contents of the present utility model, structure characteristics in detail, being realized object and effect, below in conjunction with mode of execution and coordinate accompanying drawing to be explained in detail.
Refer to Fig. 1, a kind of centrifugal pump that shown in accompanying drawing, the utility model provides, comprise motor 1 and the pump housing 2, the described pump housing 2 comprises pump case 21, protecgulum, bonnet and impeller 3, the water outlet and the water inlet that on described pump case 21, are provided with pump chamber 23 and are connected with pump chamber 23, described impeller 3 is arranged in pump chamber 23, described protecgulum and bonnet are fixed on pump case 21, the described pump housing 2 rear ends are also provided with holding cavity 22, the output shaft 11 of described motor 1 is successively through holding cavity 22, bonnet also stretches in pump chamber 23, described impeller 3 is fixed on output shaft 11, described pump case 21 is positioned on the sidewall of holding cavity 22 and offers through hole 24, on the described pump housing 2, be also provided with velocity transducer 4 and display lamp 5, described velocity transducer 4 is arranged in through hole 24, on described output shaft 11, be provided with pulse wheel 6, the induction end of velocity transducer 4 is over against pulse wheel 6 and towards the axle center of output shaft 11, described velocity transducer 4 is connected with display lamp 5.
When needs move water pump, first motor 1 is opened, output shaft starts to rotate, impeller 3 is rotated, the impeller 3 rotating is upwards kicked up water, pulse wheel 6 can be fixed on output shaft by flat key, for example at the middle part of pulse wheel 6, be provided with keyway, at output shaft corresponding position, be also provided with keyway, engagement limits by flat key and two keyways the circumferential movement of pulse wheel 6, realized the synchronize rotation of motor 1 axle with pulse wheel 6, certainly, in other embodiments, also can adopt other modes fixedly output shaft and pulse wheel 6, such as adopting round nut etc., the utility model is not done concrete restriction.
In the present embodiment, described velocity transducer 4 is arranged in through hole 24, the induction end of velocity transducer 4 is over against pulse wheel 6 and towards the axle center of output shaft, between described velocity transducer 4 and pulse wheel 6, be provided with gap, Negotiation speed sensor 4 coordinates with pulse wheel 6, during by output shaft rotation, drive pulse wheel 6 to rotate, velocity transducer 4 is coupled with the tooth that pulse wheel is surveyed for 6 weeks, export a series of pulse signals, by analyzing these signals, can obtain the rotating speed of motor 1, and pulse wheel 6 equally supports the rotation of output shaft without image-position sensor bearing, safeguard and easy accessibility.
In the present embodiment, the speed that velocity transducer 4 detects can directly show to the external world by display lamp 5, for example, during normal speed, be shown as yellow, and detect when undesired when speed, display lamp 5 shows red, is convenient to extraneous user and finds in time the undesired of pump rotary speed and carry out maintenance and inspection.
In the present embodiment, described impeller 3 comprises wheel body, in described wheel body, vortex chamber is set, and vortex chamber offers vortex chamber's import in middle part, and vortex chamber's periphery is provided with a plurality of stators, and stator and wheel body angle are 60 °.
The impeller 3 of new structure, adopt brand-new supercharging mode, make full use of fluid motion, utilize the eddy current that rotating speed increases progressively from the center to the periphery, make fluid automatically from eddy current centre area suction vortex, make fluid the movement process from eddy current center to eddy current periphery, be subject to vortes interference again, effect Xia Cong vortex chamber at circular movement centrifugal force throws away, utilize the rotation of impeller 3 and the acting in conjunction of pump case 21 or fan blade shell or casing inner wall, in impeller 3 peripheries, form an eddy current that rotating speed successively decreases from the center to the periphery, the eddy current that the rotating speed from the center to the periphery that utilizes impeller 3 peripheries to form successively decreases is realized fluid pressurized.
Therefore, novel centrifugal pump have manufacture simple, low cost of manufacture, user cost is low, maintenance cost is low, long service life, pressurized effect is good, make centrifugal pump there is the effects such as larger flow, high-lift, low energy consumption, greatly reduce noise, reduce energy consumption, improve blast, improve flow, can produce higher blast.
In the present embodiment, the material of described pump case 21 and protecgulum is plastics, by the design of plastics, further saves material, reduces the gravity of whole centrifugal pump.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (4)
1. a centrifugal pump, it is characterized in that, comprise motor and the pump housing, the described pump housing comprises pump case, protecgulum, bonnet and impeller, on described pump case, be provided with pump chamber and the water outlet being connected with pump chamber and water inlet, described impeller is arranged in pump case, described protecgulum and bonnet are fixed on pump case, described pump housing rear end is also provided with holding cavity, the output shaft of described motor is successively through holding cavity, bonnet also stretches in pump chamber, described impeller is fixed on output shaft, described pump case is positioned on the sidewall of holding cavity and offers through hole, on the described pump housing, be also provided with velocity transducer and display lamp, described velocity transducer is arranged in through hole, on described output shaft, be provided with pulse wheel, the induction section of velocity transducer is over against pulse wheel and towards the axle center of output shaft, described velocity transducer is connected with display lamp.
2. centrifugal pump according to claim 1, is characterized in that, described impeller comprises wheel body, in described wheel body, vortex chamber is set, and vortex chamber offers vortex chamber's import in middle part, and vortex chamber's periphery is provided with a plurality of stators, and stator and wheel body angle are 60 °.
3. centrifugal pump according to claim 1, is characterized in that, described pulse wheel is fixed on output shaft by flat key.
4. centrifugal pump according to claim 1, is characterized in that, the material of described pump case and protecgulum is plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320678088.3U CN203500054U (en) | 2013-10-30 | 2013-10-30 | Centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320678088.3U CN203500054U (en) | 2013-10-30 | 2013-10-30 | Centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203500054U true CN203500054U (en) | 2014-03-26 |
Family
ID=50331038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320678088.3U Expired - Fee Related CN203500054U (en) | 2013-10-30 | 2013-10-30 | Centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203500054U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2544991B (en) * | 2015-12-02 | 2019-12-04 | Aspen Pumps Ltd | Flow rate indicator |
-
2013
- 2013-10-30 CN CN201320678088.3U patent/CN203500054U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2544991B (en) * | 2015-12-02 | 2019-12-04 | Aspen Pumps Ltd | Flow rate indicator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20151030 |
|
| EXPY | Termination of patent right or utility model |