CN218563907U - Multi-stage self-priming centrifugal pump - Google Patents
Multi-stage self-priming centrifugal pump Download PDFInfo
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- CN218563907U CN218563907U CN202222842859.XU CN202222842859U CN218563907U CN 218563907 U CN218563907 U CN 218563907U CN 202222842859 U CN202222842859 U CN 202222842859U CN 218563907 U CN218563907 U CN 218563907U
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- centrifugal pump
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- priming
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Abstract
The utility model discloses a multistage self-priming centrifugal pump, including the bottom plate: the upside fixedly connected with centrifugal pump housing of bottom plate, the right side of centrifugal pump housing is provided with control mechanism, the left side fixedly connected with inlet tube of centrifugal pump housing, the outside fixedly connected with outlet pipe of centrifugal pump housing, the inboard sliding connection at both ends has the slider about the centrifugal pump housing, upper and lower both sides the outside fixedly connected with limiting plate of slider. Through being provided with spout, slide, motor, pivot, impeller, mounting disc, screw rod one and screw rod two, be convenient for dismantle the impeller from the centrifugal pump shell fast to dismantle the impeller from the pivot, increase the maintenance of later stage multistage centrifugal pump, reduce staff's work load.
Description
Technical Field
The utility model relates to a centrifugal pump technical field, in particular to multistage self-priming centrifugal pump.
Background
The multistage centrifugal pump is characterized in that more than two centrifugal pumps with the same function are integrated together, and the fluid channel structure is represented in that a medium pressure relief opening of a first stage is communicated with an inlet of a second stage, and a medium pressure relief opening of the second stage is communicated with an inlet of a third stage, so that the multistage centrifugal pump is formed by a mechanism connected in series.
Inside being provided with a plurality of impellers of multistage centrifugal pump, being convenient for realize the purpose of multistage pressure boost, the impeller is when using, because the impeller uses for a long time and the friction that the collision produced between the water, makes the impeller need the staff to dismantle and gets off to maintain, and the motor weight during maintenance is heavy, and the dismantlement degree of difficulty is big, and it is not high to dismantle efficiency.
SUMMERY OF THE UTILITY MODEL
In order to overcome the impeller of the centrifugal pump among the prior art and be difficult to dismantle, not high not enough of maintenance efficiency, one of the purposes of the utility model is to provide the multistage self-priming centrifugal pump. Through being provided with control mechanism, be convenient for dismantle the impeller from the centrifugal pump shell fast to dismantle the impeller from the pivot, increase later stage multistage centrifugal pump's maintenance, reduce staff's work load.
The utility model discloses an one of the purpose adopts following technical scheme to realize:
multistage self-priming centrifugal pump, including the bottom plate: the upper side of the bottom plate is fixedly connected with a centrifugal pump shell, the right side of the centrifugal pump shell is provided with a control mechanism, the left side of the centrifugal pump shell is fixedly connected with a water inlet pipe, the outer side of the centrifugal pump shell is fixedly connected with a water outlet pipe, the inner sides of the upper end and the lower end of the centrifugal pump shell are connected with sliding blocks in a sliding manner, and the outer sides of the sliding blocks on the upper side and the lower side are fixedly connected with limiting plates;
control mechanism includes the spout, the upside at the bottom plate is seted up to the spout, the inboard sliding connection of spout has the slide, the upside of slide is provided with the motor, the left side fixedly connected with pivot of motor, the outside of pivot and the inside that is located centrifugal pump shell are provided with a plurality of impeller, the outside of pivot and the left and right sides that is located the impeller all are provided with mounting disc, a plurality of it has two screw rods one, two to run through between the mounting disc just to run through the pivot between the screw rod one and be provided with screw rod two.
According to the multi-stage self-priming centrifugal pump, an electric push rod is fixedly connected between the chute and the sliding plate. The impeller on the control rotating shaft can be conveniently pulled out from the centrifugal pump shell.
According to the multistage self-priming centrifugal pump, a cover plate is arranged on the right side of the centrifugal pump shell and is rotationally connected with the rotating shaft. The rotating shaft can rotate normally.
According to the multistage self-priming centrifugal pump, the inner side of the limiting plate is provided with a limiting groove, and the impeller is positioned between the limiting grooves on the upper side and the lower side. The water flow can flow in the limiting groove conveniently, so that a vortex is formed, and a centrifugal force is formed.
According to the multistage self-priming centrifugal pump, the right end of the water inlet pipe and the inner part of the centrifugal pump shell are provided with self-priming cavities. The centrifugal pump can realize the self-priming function conveniently.
According to the multistage self-priming centrifugal pump, a screw cap is arranged on the outer side of the second screw rod. The second screw rod is convenient to limit.
The beneficial effect that above-mentioned scheme has:
through being provided with spout, slide, motor, pivot, impeller, mounting disc, screw rod one and screw rod two, be convenient for dismantle the impeller from the centrifugal pump shell fast to dismantle the impeller from the pivot, increase the maintenance of later stage multistage centrifugal pump, reduce staff's work load.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples;
FIG. 1 is an overall three-dimensional structure diagram of the multi-stage self-priming centrifugal pump of the present invention;
FIG. 2 is a front internal view of the multistage self-priming centrifugal pump of the present invention;
FIG. 3 is a top view of the multi-stage self-priming centrifugal pump of the present invention;
fig. 4 is a schematic view of a part of a control mechanism in the multi-stage self-priming centrifugal pump of the present invention.
Illustration of the drawings:
1. a base plate; 2. a centrifugal pump housing; 3. a water inlet pipe; 4. a water outlet pipe; 5. a control mechanism; 6. a self-priming cavity; 7. a slider; 8. a limiting plate; 501. a chute; 502. an electric push rod; 503. a slide plate; 504. a motor; 505. a rotating shaft; 506. a cover plate; 507. an impeller; 508. mounting a disc; 509. a first screw rod; 510. a second screw; 511. and (4) a nut.
Detailed Description
This section will describe in detail the embodiments of the present invention, the preferred embodiments of which are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can visually and vividly understand each technical feature and the whole technical solution of the present invention, but it cannot be understood as a limitation to the scope of the present invention.
Referring to fig. 1-4, the embodiment of the utility model provides a multistage self-priming centrifugal pump, including bottom plate 1: a centrifugal pump shell 2 is fixedly connected to the upper side of the bottom plate 1, a control mechanism 5 is arranged on the right side of the centrifugal pump shell 2, a water inlet pipe 3 is fixedly connected to the left side of the centrifugal pump shell 2, the water inlet pipe 3 is connected with external water, a water outlet pipe 4 is fixedly connected to the outer side of the centrifugal pump shell 2, sliding blocks 7 are slidably connected to the inner sides of the upper end and the lower end of the centrifugal pump shell 2, the sliding blocks 7 and limiting plates 8 are detached when the impeller 507 is detached conveniently in the later period, limiting plates 8 are fixedly connected to the outer sides of the sliding blocks 7 on the upper side and the lower side, limiting grooves are formed in the inner sides of the limiting plates 8, the impeller 507 is positioned between the limiting grooves on the upper side and the lower side, the right-hand member of inlet tube 3 and the inside that is located centrifugal pump shell 2 are provided with from inhaling cavity 6, be provided with the liquid feeding hole in inhaling cavity 6 certainly, the outside in liquid feeding hole is provided with the liquid feeding pipe, conveniently to adding liquid in inhaling cavity 6 certainly, make the centrifugal pump discharge inside air fast, realize inhaling of centrifugal pump, wherein the spacing groove that sets up in the limiting plate 8 and impeller 507 contactless, rivers can flow from the spacing groove, along with impeller 507's rotation, make rivers be the vortex form and flow, and through the acceleration of a plurality of impeller 507, make the centrifugal pump realize multistage pressure increase.
The control mechanism 5 comprises a chute 501, the chute 501 is arranged on the upper side of the bottom plate 1, a sliding plate 503 is connected on the inner side of the chute 501 in a sliding manner, a motor 504 is arranged on the upper side of the sliding plate 503, a rotating shaft 505 is fixedly connected on the left side of the motor 504, a plurality of impellers 507 are arranged on the outer side of the rotating shaft 505 and in the centrifugal pump shell 2, mounting discs 508 are arranged on the outer side of the rotating shaft 505 and on the left side and the right side of the impellers 507, two first screw rods 509 penetrate between the mounting discs 508, a second screw rod 510 penetrates through the rotating shaft 505 between the first screw rods 509, nuts 511 are arranged on the outer sides of the second screw rods 510, a cover plate 506 is arranged on the right side of the centrifugal pump shell 2, and the cover plate 506 is rotatably connected with the rotating shaft 505, when the impeller 507 needs to be detached, the bolts on the cover plate 506 are loosened to detach the cover plate 506, then the electric push rod 502 moves the sliding plate 503 to move to the right, the sliding plate 503 drives the motor 504 to move, the motor 504 drives the rotating shaft 505 to move, the rotating shaft 505 drives the impeller 507 and the limiting plate 8 on the sliding block 7 to be pulled out from the interior of the centrifugal pump shell 2, then a worker takes out the limiting plate 8, then the screw cap 511 is loosened, the screw rod II 510 is detached from the screw rod I509, the screw rod I509 and the mounting disc 508 are detached, the impeller 507 is rapidly detached from the rotating shaft 505, the detaching efficiency of the impeller 507 is improved, and the worn impeller 507 is conveniently detached and replaced.
An electric push rod 502 is fixedly connected between the sliding chute 501 and the sliding plate 503, and the electric push rod 502 is convenient for controlling the impeller 507 to move to the right.
The working principle is as follows: when the centrifugal pump is used, a worker starts the motor 504, the motor 504 drives the impellers 507 on the rotating shaft 505 to rotate, the impellers 507 rotate to enable water flow to be pressurized in multiple stages, meanwhile, the centrifugal pump achieves a self-suction function through the self-suction cavity 6, when the impellers 507 need to be detached, the cover plate 506 is detached firstly, the electric push rod 502 drives the sliding plate 503 to move, the sliding plate 503 drives the impellers 507 on the motor 504 to be rapidly pulled out of the centrifugal pump shell 2, then the screw cap 511 is loosened, the first screw rod 509 and the second screw rod 510 are detached, multiple groups of impellers 507 are conveniently detached from the rotating shaft 505, and the impellers 507 are convenient to maintain.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (6)
1. Multistage self-priming centrifugal pump, its characterized in that includes bottom plate (1): a centrifugal pump shell (2) is fixedly connected to the upper side of the bottom plate (1), a control mechanism (5) is arranged on the right side of the centrifugal pump shell (2), a water inlet pipe (3) is fixedly connected to the left side of the centrifugal pump shell (2), a water outlet pipe (4) is fixedly connected to the outer side of the centrifugal pump shell (2), sliding blocks (7) are slidably connected to the inner sides of the upper end and the lower end of the centrifugal pump shell (2), and limiting plates (8) are fixedly connected to the outer sides of the sliding blocks (7) on the upper side and the lower side;
control mechanism (5) include spout (501), the upside in bottom plate (1) is seted up in spout (501), the inboard sliding connection of spout (501) has slide (503), the upside of slide (503) is provided with motor (504), the left side fixedly connected with pivot (505) of motor (504), the outside of pivot (505) and the inside that is located centrifugal pump shell (2) are provided with a plurality of impeller (507), the outside of pivot (505) and the left and right sides that is located impeller (507) all are provided with mounting disc (508), a plurality of it has two screw rods (509), two to run through between mounting disc (508) just run through pivot (505) and be provided with screw rod two (510).
2. The multistage self-priming centrifugal pump according to claim 1, characterized in that an electric push rod (502) is fixedly connected between the chute (501) and the sliding plate (503).
3. The multistage self-priming centrifugal pump according to claim 1, characterized in that a cover plate (506) is provided on the right side of the centrifugal pump housing (2), and the cover plate (506) is rotatably connected to the rotating shaft (505).
4. The multistage self-priming centrifugal pump of claim 1, wherein the inner side of the limit plate (8) is provided with a limit groove, and the impeller (507) is positioned between the limit grooves on the upper and lower sides.
5. The multistage self-priming centrifugal pump according to claim 1, characterized in that the right end of the inlet pipe (3) and inside the centrifugal pump casing (2) is provided with a self-priming cavity (6).
6. The multistage self-priming centrifugal pump according to claim 1, characterized in that the screw rod two (510) is provided on its outer side with a nut (511).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222842859.XU CN218563907U (en) | 2022-10-27 | 2022-10-27 | Multi-stage self-priming centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222842859.XU CN218563907U (en) | 2022-10-27 | 2022-10-27 | Multi-stage self-priming centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218563907U true CN218563907U (en) | 2023-03-03 |
Family
ID=85318929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222842859.XU Active CN218563907U (en) | 2022-10-27 | 2022-10-27 | Multi-stage self-priming centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218563907U (en) |
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2022
- 2022-10-27 CN CN202222842859.XU patent/CN218563907U/en active Active
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