CN209856037U - Fluid pressurization energy-saving centrifugal pump that intakes - Google Patents
Fluid pressurization energy-saving centrifugal pump that intakes Download PDFInfo
- Publication number
- CN209856037U CN209856037U CN201920289544.2U CN201920289544U CN209856037U CN 209856037 U CN209856037 U CN 209856037U CN 201920289544 U CN201920289544 U CN 201920289544U CN 209856037 U CN209856037 U CN 209856037U
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- centrifugal pump
- impeller
- liquid
- energy
- flow
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- 239000012530 fluid Substances 0.000 title claims abstract description 13
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 12
- 239000007788 liquid Substances 0.000 abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 29
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses an energy-saving centrifugal pump with pressurized water inlet for fluid in the technical field of centrifugal pump, which comprises a shell, wherein the right side of the shell is detachably and fixedly provided with a cover plate and forms a closed cavity, one end of a coupler is connected with an impeller, the other end of the coupler is connected with a rotating shaft, a flow guide device is welded in the inner cavity of the shell, a throttle plate is positioned at the top of the inner cavity of the flow guide device, and when liquid is driven by the impeller in a containing cavity, the liquid surrounding the blades flows through the guide of a flow guide groove I, so that the liquid is not easy to generate turbulence in the shell of the pump, the flow efficiency is improved, the energy loss caused by the turbulence is reduced, on the other hand, a volute chamber can collect the liquid, the liquid driven by the impeller is guided, the energy loss in the pump can be reduced, the speed of the, the waste of water flow is reduced, and the problem that the existing centrifugal pump cannot control the water outlet flow of a water outlet is solved.
Description
Technical Field
The utility model relates to a centrifugal pump technical field specifically is a fluid pressurization energy-conserving centrifugal pump of intaking.
Background
The centrifugal pump is a pump which transfers liquid by the centrifugal force generated when the impeller rotates, the centrifugal pump works by utilizing the rotation of the impeller to enable water to generate centrifugal motion, before the water pump is started, the pump shell and the water suction pipe are filled with water, then the motor is started, the pump shaft drives the impeller and the water to generate high-speed rotation motion, the water generates centrifugal motion, is thrown to the outer edge of the impeller and flows into a water pressure pipeline of the water pump through a flow channel of the volute-shaped pump shell.
The traditional centrifugal pump usually adopts an impeller mode, the impeller is driven to rotate by a motor, centrifugal force is formed in the cavity to throw liquid out from an outlet, pressurization is formed, and the liquid flowing out from an impeller flow channel is continuously thrown at a high speed to an extrusion cavity.
The front cover plate, the rear cover plate and the blades of the conventional centrifugal pump are smooth, the flow speed and the flow direction of fluid can be changed to a certain extent when the fluid flows through the impeller and the pump shell, turbulence is easily generated in the pump shell, circulation and vortex can be caused due to the existence of inverse pressure gradient, the flow efficiency is greatly reduced, and the power of a motor is consumed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an energy-conserving centrifugal pump of fluid pressurization intake, in order to solve the current centrifugal pump that proposes among the above-mentioned background art and produce the turbulent flow at the pump case easily at the during operation, the existence of contrary pressure gradient still can arouse circulation and swirl, greatly reduced flow efficiency, consume the power of motor simultaneously, in addition, high-speed pivoted impeller and liquid within a definite time friction also can cause the loss of energy and the size of the control delivery port water flow that current centrifugal pump can not be by oneself, use inconvenient problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fluid pressurization energy-conserving centrifugal pump of intaking, includes casing, apron, transmission, shaft coupling, impeller, guiding device and throttle plate, fixed mounting can be dismantled on the right side of casing has the apron and forms an airtight cavity, transmission's pivot is followed the apron right flank portion stretches into in the airtight cavity, the pivot is inserted and is fixed in the sleeve, shaft coupling one end is connected the impeller, the other end with the pivot is connected, guiding device weld in the casing inner chamber, the throttle plate is located guiding device inner chamber top.
Preferably, the inner cavity of the impeller is provided with a plurality of involute blades.
Preferably, a plurality of through holes are uniformly formed in the throttle plate.
Preferably, the outer side wall of the blade is uniformly provided with 50-100 accelerating lugs.
Preferably, the inner cavity of the flow guide device is provided with a first flow guide groove and a second flow guide groove, and the bottom of the second flow guide groove is provided with a volute.
Compared with the prior art, the beneficial effects of the utility model are that: form centrifugal force through rotatory impeller and inhale the centrifugal pump inner chamber with liquid holding the intracavity, liquid is when holding the intracavity and being driven by the impeller, the liquid that surrounds around the blade flows through the direction of guiding gutter one, liquid is difficult to produce the turbulent flow in the pump casing like this, it is more regular orderly to flow, more stable, flow efficiency has been improved, the loss of turbulent flow to consuming of motor power and causing the energy has been reduced, on the other hand, liquid can be collected to the volute, and play the guide effect to the liquid that impeller 5 drove, can reduce the energy loss in the pump, can turn into pressure energy to the speed of liquid, the practicality of centrifugal pump has been improved, simultaneously, the flow of liquid can be controlled in the design of throttle plate, reduce the waste of rivers, the problem of the size of water flow can not be controlled to current centrifugal pump has been solved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a partial structure of the impeller of the present invention;
fig. 3 is a schematic view of the blade structure of the present invention.
In the figure: 100 shells, 110 water inlets, 120 water outlets, 200 cover plates, 300 transmission devices, 310 mounting discs, 320 rotating shafts, 330 sealing rings, 340 sleeves, 400 couplings, 500 impellers, 510 blades, 520 connecting holes, 530 connecting rings, 600 diversion devices, 610 volute chambers, 620 diversion grooves I, 630 diversion grooves II and 700 throttling plates.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person having ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides a following technical scheme: referring to fig. 1, the centrifugal pump includes a casing 100, a cover plate 200, a transmission 300, a coupling 400, an impeller 500, a flow guide device 600, and a throttle plate 700.
Referring to fig. 1 again, the side wall of the casing 100 is provided with a water inlet 110 and a water outlet 120, specifically, the left side wall of the casing 100 is provided with the water inlet 110, the water inlet 110 is used as an inlet for liquid to flow in, the top of the casing 100 is provided with the water outlet 120, and the water outlet 120 is used as an outlet for liquid after the centrifugal pump works;
referring to fig. 1 again, the side wall of the cover plate 200 is installed on the right side of the casing 100, specifically, the left side frame of the cover plate 200 is provided with four first thread grooves (not labeled in the figure), the right side wall of the casing 100 is provided with four second thread grooves (not labeled in the figure) with the same inner diameter and corresponding to the first thread grooves, the cover plate 200 is fixed on the casing 100 through the four first thread grooves, the four second thread grooves, fastening bolts and sealing rings, the cover plate 200 is used for installing the transmission device 300, and forms a sealed chamber with the casing 100 to prevent liquid from overflowing during the operation of the centrifugal pump;
referring to fig. 1, the transmission device 300 includes a mounting plate 310, a rotating shaft 320, a sealing ring 330 and a sleeve 340, the transmission device 300 is mounted on a side wall of the cover plate 200, specifically, the rotating shaft 320 of the transmission device 300 penetrates through a right side wall of the cover plate 200, the rotating shaft 320 extends to an inner cavity of the flow guide device 600, the transmission device 300 is used for transmitting power, the rotating shaft 320 is used for mounting the impeller 500 and transmitting power, the right side wall of the rotating shaft 320 is connected with the mounting plate 310 in a threaded manner, the mounting plate 310 is used for mounting an external motor, the sealing ring 330 is sleeved on an outer side wall of the rotating shaft 320 to prevent liquid from overflowing to the inner cavity of the transmission device 300, the sleeve 340 is sleeved on an outer side wall of the rotating shaft 320, a rotating bearing is disposed at a connection position between the sleeve 340;
referring to fig. 1, the coupling 400 is connected to the rotating shaft 320, specifically, one end of the coupling 400 is connected to the rotating shaft 320, and the coupling 400 is used to connect the impeller 500 and the rotating shaft 320;
referring to fig. 2 and 3, the impeller 500 has blades 510, acceleration bumps 511, connection holes 520 and a connection ring 530, the impeller 500 is connected to one end of the coupling 400, specifically, one end of the coupling 400 is connected to the rotation shaft 320, the other end of the coupling 400 is connected to the connection hole 520 of the impeller 500 in a key manner, the connection hole 520 is used for connecting the impeller 500 to one end of the coupling 400, the blades 510 are uniformly welded to the outer side wall of the connection ring 530 at equal intervals, 50-100 acceleration bumps 511 are uniformly arranged on the outer side wall of the blades 510, so that the friction force between the blades 510 and liquid during rotation is enhanced, the contact area between the blades 510 and the liquid is also increased, and further, the working;
referring to fig. 1 again, the diversion device 600 has a volute 610, a first diversion trench 620 and a second diversion trench 630, the diversion device 600 is installed in the inner cavity of the casing 100, specifically, a buckle (not labeled in the figure) is arranged on a connection plate of the diversion device 600, a slot (not labeled in the figure) is arranged on the casing 100 corresponding to the buckle on the left side of the connection plate of the diversion device 600, the diversion device 600 is fixedly connected to the side wall of the inner cavity of the casing 100 through the buckle and the slot, the diversion device 600 is used for diversion of liquid, the first diversion trench 620 and the second diversion trench 630 are respectively arranged on the top and the bottom of the inner cavity of the diversion device 600, the slot of the first diversion trench 620 is semicircular, the first diversion trench 620 is used for guiding the liquid to the water outlet 120, the volute 610 is arranged on the bottom of the inner cavity of the second diversion trench 630, the volute 610 surrounds near the impeller 500, the speed energy of the liquid is converted into kinetic energy, and the energy loss in the pump is reduced.
Referring to fig. 1, the throttle plate 700 is mounted on the sidewall of the inner cavity of the first flow guide groove 620, specifically, two third threaded grooves (not labeled) are uniformly formed on the mounting plate of the throttle plate 700, two fourth threaded grooves (not labeled) having the same inner diameter and corresponding to the third threaded grooves are formed on the right sidewall of the first flow guide groove 620, the throttle plate 700 is fixedly mounted on the sidewall of the inner cavity of the first flow guide groove 620 through the two third threaded grooves, the two fourth threaded grooves, the fastening bolts and the sealing rings, a plurality of through holes are formed in the throttle plate 700 for blocking liquid, and the water outlet diameter of the water outlet 120 is adjusted, so that the water outlet flow rate of the water outlet 120 of the centrifugal pump is adjusted.
The working principle is as follows: when the utility model is used, the person in the technical field connects centrifugal pump mounting disc 310 with the external motor, liquid enters from water inlet 110 of the centrifugal pump, and fills the containing cavity formed by whole centrifugal pump shell 100 and cover plate 200, the motor is started, the motor drives impeller 500 to rotate through rotating shaft 320, rotating impeller 500 can form centrifugal force in the containing cavity to suck the liquid into the inner cavity of the centrifugal pump, and the liquid can flow along designed flow guide device 600, in addition, when the liquid is driven by impeller 500 in the containing cavity, the liquid surrounding blades 510 flows through the guide of flow guide groove one 620, thus the liquid is not easy to generate turbulence in the pump shell, the flow is more regular and more stable, the flow efficiency is improved, the energy loss caused by the consumption of the turbulence to the motor power is reduced, on the other hand, volute 610 can collect the liquid, and play a guiding role to the liquid driven by impeller 500, the energy loss in the pump can be reduced, the speed energy of the liquid is converted into pressure energy, and finally, the liquid enters the first diversion trench 620 through the second diversion trench 630 and flows out of the water outlet 120 of the centrifugal pump under the action of the pressure energy.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. The utility model provides a fluid pressurization energy-conserving centrifugal pump of intaking which characterized in that: including casing (100), apron (200), transmission (300), shaft coupling (400), impeller (500), guiding device (600) and throttle plate (700), fixed mounting can be dismantled on the right side of casing (100) has apron (200) and forms a sealed cavity, pivot (320) of transmission (300) are followed apron (200) right side portion stretches into in the sealed cavity, pivot (320) insert and are fixed in sleeve (340), shaft coupling (400) one end is connected impeller (500), the other end with pivot (320) are connected, guiding device (600) weld in casing (100) inner chamber, throttle plate (700) are located guiding device (600) inner chamber top.
2. The energy-saving centrifugal pump with the pressurized fluid as claimed in claim 1, wherein: the inner cavity of the impeller (500) is provided with a plurality of involute blades (510).
3. The energy-saving centrifugal pump with the pressurized fluid as claimed in claim 2, wherein: the outer side wall of the blade (510) is uniformly provided with 50-100 accelerating lugs (511).
4. The energy-saving centrifugal pump with the pressurized fluid as claimed in claim 1, wherein: the throttle plate (700) is uniformly provided with a plurality of through holes.
5. The energy-saving centrifugal pump with the pressurized fluid as claimed in claim 1, wherein: the inner cavity of the flow guide device (600) is provided with a first flow guide groove (620) and a second flow guide groove (630), and the bottom of the second flow guide groove (630) is provided with a volute chamber (610).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920289544.2U CN209856037U (en) | 2019-03-07 | 2019-03-07 | Fluid pressurization energy-saving centrifugal pump that intakes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920289544.2U CN209856037U (en) | 2019-03-07 | 2019-03-07 | Fluid pressurization energy-saving centrifugal pump that intakes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209856037U true CN209856037U (en) | 2019-12-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920289544.2U Expired - Fee Related CN209856037U (en) | 2019-03-07 | 2019-03-07 | Fluid pressurization energy-saving centrifugal pump that intakes |
Country Status (1)
| Country | Link |
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| CN (1) | CN209856037U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114857040A (en) * | 2022-06-24 | 2022-08-05 | 四川省机械研究设计院(集团)有限公司 | Centrifugal pump, centrifugal pump control system and control method and high-speed centrifugal pump unit |
-
2019
- 2019-03-07 CN CN201920289544.2U patent/CN209856037U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114857040A (en) * | 2022-06-24 | 2022-08-05 | 四川省机械研究设计院(集团)有限公司 | Centrifugal pump, centrifugal pump control system and control method and high-speed centrifugal pump unit |
| CN114857040B (en) * | 2022-06-24 | 2024-06-07 | 四川省机械研究设计院(集团)有限公司 | Centrifugal pump, centrifugal pump control system and control method and high-speed centrifugal pump unit |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191227 |