CN214945010U - Light multistage centrifugal pump - Google Patents
Light multistage centrifugal pump Download PDFInfo
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- CN214945010U CN214945010U CN202121312229.0U CN202121312229U CN214945010U CN 214945010 U CN214945010 U CN 214945010U CN 202121312229 U CN202121312229 U CN 202121312229U CN 214945010 U CN214945010 U CN 214945010U
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- cover body
- water inlet
- inlet filter
- centrifugal pump
- external water
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Abstract
The utility model discloses a light multistage centrifugal pump, which comprises a first cover body, a second cover body, a third cover body and an external water inlet filter, wherein a motor is arranged in the first cover body, a shaft coupling is arranged in the second cover body, an output shaft of the motor is fixedly connected with one end of a main shaft through the shaft coupling, and an impeller and a stirring head are arranged on a shaft body of the main shaft extending into the third cover body; the external filter of intaking includes fretwork front bezel and annular curb plate, and annular curb plate inner wall is equipped with screw-thread fit portion, and fretwork front bezel inner wall center department is fixed with the swivel nut, and the swivel nut has the height-adjusting post in the swivel nut, and the outer end of height-adjusting post is fixed with the holding ring that is used for providing rotation support for the stirring head. The utility model has reasonable structure design, the main cover body is made of plastic material through injection molding process, which reduces the production cost and widens the application field; the external water inlet filter is convenient to detach, and components in the pump cover can be quickly maintained or replaced after the external water inlet filter is detached.
Description
Technical Field
The utility model relates to the technical field of fluid machinery, especially, relate to a light multistage centrifugal pump.
Background
The vertical multistage centrifugal pump is a centrifugal pump with compact integral structure, small volume, light weight, low noise and obvious energy-saving effect, and is convenient to maintain, a standard vertical motor and a quick-mounting mechanical seal are adopted, the replacement is very convenient, the overflowing part of the pump is made of stainless steel materials and can be suitable for slightly corrosive media, when the motor drives the impeller on the shaft to rotate at high speed, liquid filled in the impeller is thrown to the periphery of the impeller from the center of the impeller along a flow channel between blades under the action of centrifugal force, the pressure and the speed are simultaneously increased due to the effect of the blades, and the liquid is guided to the next-level impeller through the flow channel of the guide shell, so that the principle is that the liquid flows through all the impellers and the guide shell one by one, and the pressure energy of the liquid is further increased.
The existing multistage centrifugal pump has the disadvantages in the use process, firstly, the pump cover of the existing multistage centrifugal pump adopts a casting process, so that the processing cost is high, the period is long, the weight of the multistage centrifugal pump is large, and the use is limited; and secondly, an external water inlet filter is not arranged, so that the components in the pump cover are not convenient to maintain or replace quickly. Therefore, it is necessary to optimize and improve it.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned problem that exists among the prior art, provide a light multistage centrifugal pump.
In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:
a light multistage centrifugal pump comprises a first cover body, a second cover body, a third cover body and an external water inlet filter, wherein the first cover body is fixedly connected with one end of the second cover body through a first screw, the other end of the second cover body is fixedly connected with one end of the third cover body through a second screw, the other end of the third cover body is provided with a thread mounting part, a motor is arranged inside the first cover body, a coupler is arranged inside the second cover body, an output shaft of the motor is fixedly connected with one end of a main shaft through the coupler, and an impeller and a stirring head are mounted on a shaft body of the main shaft extending into the third cover body; the external filter of intaking includes the fretwork front bezel and fixes the annular curb plate in limit portion, the annular curb plate inner wall of the external filter of intaking is equipped with the screw-thread fit portion with screw-thread installation department complex, the external fretwork front bezel inner wall center department of intaking the filter is fixed with the swivel nut, the swivel nut has the height-adjusting post in the swivel nut, the outer end of height-adjusting post is fixed with and is used for providing the holding ring that rotates the support for the stirring head.
Further, in the light multistage centrifugal pump, the first cover body, the second cover body and the third cover body are made of plastic materials through an injection molding process.
Further, in the light multistage centrifugal pump, the thickness of the hollow front plate in the external water inlet filter is 3-6 mm.
Furthermore, in the light multistage centrifugal pump, a bump handle convenient for rotating the external water inlet filter is fixed on the outer wall of the annular side plate.
Furthermore, in the light multistage centrifugal pump, the positioning ring and the height-adjusting column in the external water inlet filter are of an integrated structure.
Further, in the light multistage centrifugal pump, the external water inlet filter is made of stainless steel materials.
The utility model has the advantages that:
the utility model has reasonable structural design, on one hand, the main cover body is made of plastic materials through injection molding process, thereby reducing the production cost, reducing the whole weight of the multistage centrifugal pump and widening the application field; on the other hand, an external water inlet filter is arranged, the external water inlet filter is convenient to detach, and components in the pump cover can be quickly maintained or replaced after the external water inlet filter is detached.
Of course, it is not necessary for any product to achieve all of the above advantages simultaneously in practicing the invention.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the present invention with some parts omitted;
fig. 3 is a schematic structural view of the external water inlet filter of the present invention;
fig. 4 is a schematic top view of the externally installed water inlet filter of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-a first cover body, 2-a second cover body, 3-a third cover body, 4-an external water inlet filter, 5-a first screw, 6-a second screw, 7-a thread mounting part, 8-a thread matching part, 9-a thread sleeve, 10-a height adjusting column and 11-a positioning ring.
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 of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the present embodiment provides a light-weight multistage centrifugal pump, which includes a first cover body 1, a second cover body 2, a third cover body 3 (serving as a pump cover), and an external water inlet filter 4, where the first cover body 1 is fixedly connected to one end of the second cover body 2 through a first screw 5, the other end of the second cover body 2 is fixedly connected to one end of the third cover body 3 through a second screw 6, and the other end of the third cover body 3 is provided with a threaded mounting portion 7. The inside of the first cover body 1 is provided with a motor, the inside of the second cover body 2 is provided with a coupler, an output shaft of the motor is fixedly connected with one end of a main shaft through the coupler, and the main shaft extends into a shaft body in the third cover body 3 and is provided with an impeller and a stirring head.
In this embodiment, the external water inlet filter 4 includes a hollow front plate and an annular side plate fixed on an edge portion, the inner wall of the annular side plate of the external water inlet filter 4 is provided with a thread matching portion 8 matched with the thread mounting portion 7, the center of the inner wall of the hollow front plate of the external water inlet filter 4 is fixed with a threaded sleeve 9, the threaded sleeve 9 is connected with a height-adjusting column 10, and the outer end of the height-adjusting column 10 is fixed with a positioning ring 11 for providing a rotary support for the stirring head.
In this embodiment, the first cover 1, the second cover 2, and the third cover 3 are made of plastic material through an injection molding process.
In this embodiment, the thickness of the hollowed-out front plate in the external water inlet filter 4 is 3-6 mm. The external water inlet filter 4 is fixed with a convex block handle which is convenient for rotating the external water inlet filter 4. The positioning ring 9 and the height-adjusting column 10 in the external water inlet filter 4 are of an integral structure.
In this embodiment, the external water inlet filter 4 is made of stainless steel.
One specific application of this embodiment is: the structure of the embodiment is reasonable in design, on one hand, the main cover body is made of plastic materials through an injection molding process, so that the production cost is reduced, the overall weight of the multistage centrifugal pump is reduced, and the application field of the multistage centrifugal pump is widened; on the other hand, an external water inlet filter is arranged, the external water inlet filter is convenient to detach, and components in the pump cover can be quickly maintained or replaced after the external water inlet filter is detached.
The preferred embodiments of the present invention disclosed above are only advantageous to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A light multistage centrifugal pump is characterized in that: the water inlet filter comprises a first cover body, a second cover body, a third cover body and an external water inlet filter, wherein the first cover body is fixedly connected with one end of the second cover body through a first screw, the other end of the second cover body is fixedly connected with one end of the third cover body through a second screw, the other end of the third cover body is provided with a thread installation part, a motor is arranged inside the first cover body, a coupler is arranged inside the second cover body, an output shaft of the motor is fixedly connected with one end of a main shaft through the coupler, and an impeller and a stirring head are installed on a shaft body of the main shaft extending into the third cover body; the external filter of intaking includes the fretwork front bezel and fixes the annular curb plate in limit portion, the annular curb plate inner wall of the external filter of intaking is equipped with the screw-thread fit portion with screw-thread installation department complex, the external fretwork front bezel inner wall center department of intaking the filter is fixed with the swivel nut, the swivel nut has the height-adjusting post in the swivel nut, the outer end of height-adjusting post is fixed with and is used for providing the holding ring that rotates the support for the stirring head.
2. The lightweight multistage centrifugal pump of claim 1, wherein: the first cover body, the second cover body and the third cover body are made of plastic materials through an injection molding process.
3. The lightweight multistage centrifugal pump of claim 1, wherein: the thickness of the hollow front plate in the external water inlet filter is 3-6 mm.
4. The lightweight multistage centrifugal pump of claim 1, wherein: the outer wall of the annular side plate in the external water inlet filter is fixedly provided with a convex block handle which is convenient to rotate.
5. The lightweight multistage centrifugal pump of claim 1, wherein: the positioning ring and the height-adjusting column in the external water inlet filter are of an integrated structure.
6. The lightweight multistage centrifugal pump of claim 1, wherein: the external water inlet filter is made of stainless steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121312229.0U CN214945010U (en) | 2021-06-11 | 2021-06-11 | Light multistage centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121312229.0U CN214945010U (en) | 2021-06-11 | 2021-06-11 | Light multistage centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214945010U true CN214945010U (en) | 2021-11-30 |
Family
ID=79050399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121312229.0U Active CN214945010U (en) | 2021-06-11 | 2021-06-11 | Light multistage centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214945010U (en) |
-
2021
- 2021-06-11 CN CN202121312229.0U patent/CN214945010U/en active Active
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