CN209856038U - Multistage centrifugal pump assembly - Google Patents
Multistage centrifugal pump assembly Download PDFInfo
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- CN209856038U CN209856038U CN201920430365.6U CN201920430365U CN209856038U CN 209856038 U CN209856038 U CN 209856038U CN 201920430365 U CN201920430365 U CN 201920430365U CN 209856038 U CN209856038 U CN 209856038U
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Abstract
The utility model relates to the technical field of centrifugal pumps, in particular to a multistage centrifugal pump assembly, which solves the defects that in the prior art, a filter screen in a water inlet is easy to be blocked in the working process and the water pumping efficiency is affected once the filter screen is blocked, and comprises a pump body, wherein a rotating cavity is arranged on the pump body, a motor is fixedly arranged on the inner wall of the bottom side of the rotating cavity, an output shaft of the motor is fixedly provided with a rotating shaft through a coupler, a water through cavity is arranged above the motor, a water outlet hole and a water inlet hole are arranged on the inner wall of the top side of the water through cavity, a rotating hole is arranged on the inner wall of the bottom side of the water through cavity, a cavity arranged on the pump body is arranged above the water through cavity, and a movable hole is arranged on the inner wall of the bottom side of the cavity. The optimal water pumping efficiency is kept, and the use requirements of people are met.
Description
Technical Field
The utility model relates to a centrifugal pump technical field especially relates to a multistage centrifugal pump subassembly.
Background
The centrifugal pump is operated by utilizing the rotation of an impeller to make water generate centrifugal motion, before the water pump is started, a pump shell and a water suction pipe are filled with water, then a motor is started, a pump shaft drives the impeller and the water to perform 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 a volute-shaped pump shell.
Publication No. CN208416965U discloses a multistage centrifugal pump, including pump case, end cover, water inlet, delivery port, fastening bolt, motor, centrifugal pump, bolt seat, centrifugal pump sprocket, motor shaft, pump shaft and tapered roller bearing, pump case center department is equipped with the motor storehouse, but this is novel in the course of the work, and the filter screen in the inlet opening is blockked up easily, in case the jam will influence the efficiency of drawing water, exists improved space.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the filter screen in the water inlet hole is easy to be blocked in the working process of the prior art, and the multistage centrifugal pump assembly is provided once the filter screen is blocked to influence the water pumping efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a multistage centrifugal pump assembly comprises a pump body, wherein a rotating cavity is formed in the pump body, a motor is fixedly mounted on the inner wall of the bottom side of the rotating cavity, an output shaft of the motor is fixedly provided with a rotating shaft through a coupler, a water through cavity is formed above the motor, a water outlet hole and a water inlet hole are formed in the inner wall of the top side of the water through cavity, a rotating hole is formed in the inner wall of the bottom side of the water through cavity, a cavity formed in the pump body is formed above the water through cavity, a movable hole is formed in the inner wall of the bottom side of the cavity and communicated with the water through cavity, the top end of the rotating shaft sequentially penetrates through the rotating hole and the movable hole and is fixedly provided with an inclined rod, an impeller positioned in the water through cavity is fixedly sleeved on the rotating shaft, an inclined block is movably sleeved on the inclined rod, a fixed rod is fixedly arranged on one side of the inclined block, the intercommunicating pore has been seted up on the one side inner wall of cavity, the one end of depression bar extends to in the intercommunicating pore, the intercommunicating pore is linked together with the inlet opening, fixed mounting has same gag lever post on the top side of intercommunicating pore and the bottom side inner wall, the stopper has been cup jointed in the activity on the gag lever post, one side fixed mounting of stopper has L type device pole, highly install the filter screen on the inner wall of inlet opening, the one end that the stopper was kept away from to L type device pole extends to in the inlet opening and contacts with the bottom side of filter screen, starter motor, the output shaft of motor drives the axis of rotation and rotates, the axis of rotation drives the impeller and rotates and draws water, the axis of rotation rotates simultaneously and drives the down tube.
Preferably, the limiting block is far away from one side of L type device pole and has been seted up the indent, and movable mounting has first wedge pole in the indent, and first wedge pole is located the below of depression bar, and outside the one end of first wedge pole extended to the indent, the slide bar glided downwards and drives the depression bar downstream, and the depression bar removes the first wedge pole of extrusion and makes its downstream.
Preferably, one end of the first wedge-shaped rod is fixedly provided with one end of a first spring, the other end of the first spring is fixedly arranged on the inner wall of one side of the pressure groove, the second wedge-shaped rod extrudes the first wedge-shaped rod to enable the first wedge-shaped rod to slide in the pressure groove while being separated from the pressure rod, and the first spring elastically deforms.
Preferably, a second wedge-shaped rod is fixedly mounted on the inner wall of the bottom side of the communicating hole, the second wedge-shaped rod is matched with the first wedge-shaped rod, the limiting block moves to drive the L-shaped impact rod to be separated from the filter screen, and when the first wedge-shaped rod is in contact with the second wedge-shaped rod.
Preferably, the limiting rod is sleeved with a second spring, the top end of the second spring is fixedly installed on the bottom side of the limiting block, the bottom end of the second spring is fixedly installed on the inner wall of the bottom side of the communicating hole, the first wedge-shaped rod moves to drive the limiting block to slide on the limiting rod, and the second spring elastically deforms.
Preferably, a fixed block is fixedly mounted on the inner wall of one side of the cavity, a fixed hole is formed in the top side of the fixed block, the bottom end of the sliding rod penetrates through the fixed hole, and the sliding block slides to drive the sliding rod to slide back and forth on the fixed hole in the fixed block.
The utility model has the advantages that: by the mutual matching of the motor, the rotating shaft, the impeller, the cavity, the inclined rod, the inclined block, the fixed rod, the sliding block, the sliding rod, the pressing rod, the limiting block, the L-shaped impact rod, the first wedge-shaped rod, the second wedge-shaped rod, the filter screen and the fixed block, the motor is started, the output shaft of the motor drives the rotating shaft to rotate, the rotating shaft drives the impeller to rotate to pump water, meanwhile, the rotating shaft rotates to drive the inclined rod to rotate, the inclined rod rotates to drive the inclined block to move, the inclined block moves to drive the fixed rod to move, the fixed rod moves to drive the sliding block to slide, the sliding block slides to drive the sliding rod to slide back and forth on the fixed hole on the fixed block, the sliding rod slides downwards to drive the pressing rod to move downwards, the pressing rod moves to extrude the first wedge-shaped rod to move downwards, the first wedge-, when the first wedge-shaped rod is in contact with the second wedge-shaped rod, the second wedge-shaped rod extrudes the first wedge-shaped rod to enable the first wedge-shaped rod to be separated from the pressure rod and simultaneously slide in the pressure groove, the first spring is elastically deformed, and the limiting block is enabled to move upwards under the reaction force of the second spring because the second spring is in a compressed state, the limiting block moves to drive the L-shaped impact rod to impact the filter screen, and then the filter screen is impacted;
the utility model discloses in, when motor rotation drive impeller rotated and drew water for L type impact bar makes a round trip to strike the filter screen, prevents that the filter screen from blockking up, makes it keep a best efficiency of drawing water, has satisfied people's user demand.
Drawings
Fig. 1 is a schematic structural view of a multistage centrifugal pump assembly according to the present invention;
fig. 2 is a schematic structural view of a portion a in fig. 1 of a multistage centrifugal pump assembly according to the present invention;
fig. 3 is a schematic structural diagram of a portion a1 in fig. 2 of a multistage centrifugal pump assembly according to the present invention.
In the figure: the pump body 1, 2 rotate the chamber, 3 motors, 4 axis of rotation, 5 logical water cavities, 6 inlet openings, 7 commentaries on classics holes, 8 impellers, 9 cavitys, 10 activity holes, 11 down tube, 12 sloping blocks, 13 fixed levers, 14 sliders, 15 slide bars, 16 depression bars, 17 intercommunicating pores, 18 gag lever posts, 19 stopper, 20L type striker bars, 21 indent, 22 first wedge pole, 23 second wedge pole, 24 filter screens, 25 fixed blocks, 26 fixed orificess.
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.
Referring to fig. 1-3, a multistage centrifugal pump assembly comprises a pump body 1, a rotary cavity 2 is arranged on the pump body 1, a motor 3 is fixedly arranged on the inner wall of the bottom side of the rotary cavity 2, a rotary shaft 4 is fixedly arranged on the output shaft of the motor 3 through a coupler, a water through cavity 5 is arranged above the motor 3, a water outlet hole and a water inlet hole 6 are arranged on the inner wall of the top side of the water through cavity 5, a rotary hole 7 is arranged on the inner wall of the bottom side of the water through cavity 5, a cavity 9 arranged on the pump body 1 is arranged above the water through cavity 5, a movable hole 10 is arranged on the inner wall of the bottom side of the cavity 9, the movable hole 10 is communicated with the water through cavity 5, the top end of the rotary shaft 4 sequentially penetrates through the rotary hole 7 and the movable hole 10 and is fixedly provided with an inclined rod 11, an impeller 8 positioned in the water through cavity 5 is fixedly sleeved on the rotary shaft 4, a sliding block 14 is movably sleeved on a fixed rod 13, a sliding rod 15 is rotatably installed at the bottom side of the sliding block 14, a pressure rod 16 is fixedly installed at one side of the sliding rod 15 away from the sliding block 14, a communicating hole 17 is formed in the inner wall of one side of a cavity 9, one end of the pressure rod 16 extends into the communicating hole 17, the communicating hole 17 is communicated with a water inlet hole 6, the same limiting rod 18 is fixedly installed on the top side and the inner wall of the bottom side of the communicating hole 17, a limiting block 19 is movably sleeved on the limiting rod 18, an L-shaped device rod 20 is fixedly installed at one side of the limiting block 19, a filter screen 24 is highly installed on the inner wall of the water inlet hole 6, one end of the L-shaped device rod 20 away from the limiting block 19 extends into the water inlet hole 6 and contacts with the bottom side of the filter screen 24, a motor 3 is started, an, the inclined rod 11 rotates to drive the inclined block 12 to move, the inclined block 12 moves to drive the fixed rod 13 to move, and the fixed rod 13 moves to drive the sliding block 14 to slide.
The utility model discloses in, stopper 19 keeps away from one side of L type device pole 20 and has seted up indent 21, and movable mounting has first wedge pole 22 in indent 21, and first wedge pole 22 is located depression bar 16's below, and outside first wedge pole 22's one end extended to indent 21, slide bar 15 glides downwards and drives depression bar 16 downstream, and depression bar 16 removes the first wedge pole 22 of extrusion and makes its downstream.
The utility model discloses in, the one end fixed mounting of first wedge pole 22 has the one end of first spring, and the other end fixed mounting of first spring is on one side inner wall of indent 21, and second wedge pole 23 extrudes first wedge pole 22 and slides in indent 21 when making its and 16 phase separations of depression bar, and elastic deformation takes place for first spring.
The utility model discloses in, fixed mounting has second wedge pole 23 on the bottom side inner wall of intercommunicating pore 17, second wedge pole 23 and first wedge pole 22 looks adaptation, stopper 19 remove and drive L type impact bar 20 and filter screen 24 phase separation, when first wedge pole 22 and second wedge pole 23 contact.
The utility model discloses in, cup jointed the second spring on the gag lever post 18, the top fixed mounting of second spring is on stopper 19's bottom side, and the bottom fixed mounting of second spring is on the bottom side inner wall of intercommunicating pore 17, and first wedge pole 22 removes and drives stopper 19 and slide on gag lever post 18, and elastic deformation takes place for the second spring.
The utility model discloses in, fixed mounting has fixed block 25 on one side inner wall of cavity 9, and fixed orifices 26 have been seted up on the top side of fixed block 25, and fixed orifices 26 is run through to slide bar 15's bottom, and slider 14 slides and drives slide bar 15 and make a round trip to slide on fixed orifices 26 on fixed block 25.
In the utility model, the motor 3 is started, the output shaft of the motor 3 drives the rotating shaft 4 to rotate, the rotating shaft 4 rotates to drive the impeller 8 to rotate for pumping water, meanwhile, the rotating shaft 4 rotates to drive the inclined rod 11 to rotate, the inclined rod 11 rotates to drive the inclined block 12 to move, the inclined block 12 moves to drive the fixed rod 13 to move, the fixed rod 13 moves to drive the slider 14 to slide, the slider 14 slides to drive the slide rod 15 to slide back and forth on the fixed hole 26 on the fixed block 25, the slide rod 15 slides downwards to drive the press rod 16 to move downwards, the press rod 16 moves to extrude the first wedge-shaped rod 22 to move downwards, the first wedge-shaped rod 22 moves to drive the stopper 19 to slide on the stopper rod 18, the second spring generates elastic deformation, the stopper 19 moves to drive the L-shaped impact rod 20 to be separated from the filter screen 24, when the first wedge-shaped rod 22 is contacted with the second wedge-shaped rod 23, the second wedge-shaped rod 23 extrud, the first spring takes place elastic deformation, because the second spring is in compression state, so make stopper 19 rebound under the reaction force of second spring, stopper 19 removes and drives L type striking pole 20 striking filter screen 24, and the device resumes when slide bar 15 reverse direction removes.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A multistage centrifugal pump assembly comprises a pump body (1) and is characterized in that a rotating cavity (2) is formed in the pump body (1), a motor (3) is fixedly mounted on the inner wall of the bottom side of the rotating cavity (2), a rotating shaft (4) is fixedly mounted on an output shaft of the motor (3) through a coupler, a water through cavity (5) is formed above the motor (3), a water outlet hole and a water inlet hole (6) are formed in the inner wall of the top side of the water through cavity (5), a rotating hole (7) is formed in the inner wall of the bottom side of the water through cavity (5), a cavity (9) formed in the pump body (1) is formed above the water through cavity (5), a movable hole (10) is formed in the inner wall of the bottom side of the cavity (9), the movable hole (10) is communicated with the water through cavity (5), the top end of the rotating shaft (4) sequentially penetrates through the rotating hole (7) and the movable, an impeller (8) positioned in a water through cavity (5) is fixedly sleeved on a rotating shaft (4), an inclined block (12) is movably sleeved on an inclined rod (11), a fixed rod (13) is fixedly installed on one side of the inclined block (12), a sliding block (14) is movably sleeved on the fixed rod (13), a sliding rod (15) is rotatably installed on the bottom side of the sliding block (14), a pressing rod (16) is fixedly installed on one side, away from the sliding block (14), of the sliding rod (15), a communicating hole (17) is formed in the inner wall of one side of a cavity (9), one end of the pressing rod (16) extends into the communicating hole (17), the communicating hole (17) is communicated with a water inlet hole (6), the same limiting rod (18) is fixedly installed on the inner wall of the top side and the bottom side of the communicating hole (17), a limiting block (19) is movably sleeved on the limiting rod (18), and an L, a filter screen (24) is highly mounted on the inner wall of the water inlet hole (6), and one end, far away from the limiting block (19), of the L-shaped device rod (20) extends into the water inlet hole (6) and is in contact with the bottom side of the filter screen (24).
2. The multistage centrifugal pump assembly according to claim 1, wherein a pressure groove (21) is formed in one side, away from the L-shaped device rod (20), of the limiting block (19), a first wedge-shaped rod (22) is movably mounted in the pressure groove (21), the first wedge-shaped rod (22) is located below the pressure rod (16), and one end of the first wedge-shaped rod (22) extends out of the pressure groove (21).
3. A multistage centrifugal pump assembly according to claim 2, wherein one end of the first wedge rod (22) is fixedly mounted with one end of a first spring, and the other end of the first spring is fixedly mounted on one side inner wall of the indent (21).
4. A multistage centrifugal pump assembly according to claim 1, wherein a second wedge rod (23) is fixedly mounted on the bottom side inner wall of the communication hole (17), the second wedge rod (23) fitting with the first wedge rod (22).
5. The multistage centrifugal pump assembly according to claim 1, wherein a second spring is sleeved on the limiting rod (18), the top end of the second spring is fixedly installed on the bottom side of the limiting block (19), and the bottom end of the second spring is fixedly installed on the inner wall of the bottom side of the communication hole (17).
6. The multistage centrifugal pump assembly according to claim 1, wherein a fixing block (25) is fixedly mounted on an inner wall of one side of the cavity (9), a fixing hole (26) is formed in the top side of the fixing block (25), and the bottom end of the sliding rod (15) penetrates through the fixing hole (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920430365.6U CN209856038U (en) | 2019-04-01 | 2019-04-01 | Multistage centrifugal pump assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920430365.6U CN209856038U (en) | 2019-04-01 | 2019-04-01 | Multistage centrifugal pump assembly |
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| Publication Number | Publication Date |
|---|---|
| CN209856038U true CN209856038U (en) | 2019-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920430365.6U Active CN209856038U (en) | 2019-04-01 | 2019-04-01 | Multistage centrifugal pump assembly |
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| CN (1) | CN209856038U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113391502A (en) * | 2020-03-11 | 2021-09-14 | 中强光电股份有限公司 | Adjusting module and projector |
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2019
- 2019-04-01 CN CN201920430365.6U patent/CN209856038U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113391502A (en) * | 2020-03-11 | 2021-09-14 | 中强光电股份有限公司 | Adjusting module and projector |
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