CN214533552U - Multistage pump water conservancy diversion casing - Google Patents
Multistage pump water conservancy diversion casing Download PDFInfo
- Publication number
- CN214533552U CN214533552U CN202120742998.8U CN202120742998U CN214533552U CN 214533552 U CN214533552 U CN 214533552U CN 202120742998 U CN202120742998 U CN 202120742998U CN 214533552 U CN214533552 U CN 214533552U
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- bottom plate
- multistage pump
- core hole
- wall
- convex wall
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Abstract
The utility model provides a multistage pump water conservancy diversion casing, its characterized in that: the pump core hole is provided with a cylindrical convex wall along the circumferential direction, and the convex wall and the side wall are arranged on the same side of the bottom plate. Through set up the protruding wall of tube-shape in pump core hole week, both can carry out the water conservancy diversion, make the water through the pump core hole comparatively concentrate, can improve holistic structural strength again, make pump core hole department can not produce the deformation.
Description
Technical Field
The utility model relates to a blower inlet casing, specifically speaking relates to a multistage pump water conservancy diversion casing.
Background
At present, in a guide shell used by a multistage pump, the guide shell comprises a bottom plate and a side plate, the side plate is arranged on one side of the bottom plate in a cylindrical shape, a pump core hole is arranged on the bottom plate, and the specific structure is shown in fig. 3. The existing flow guide shell has the following problems that firstly, a pump core hole is only used for guiding water through a rotating shaft, and water cannot be guided, so that the water passing through the pump core hole is dispersed, secondly, the strength of the whole structure is weak, and the pump core hole is easy to deform.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned conventional art's weak point, provide a multistage pump water conservancy diversion casing.
The purpose of the utility model is achieved through the following technical measures: a multistage pump water conservancy diversion casing which characterized in that: the pump core hole is provided with a cylindrical convex wall along the circumferential direction, and the convex wall and the side wall are arranged on the same side of the bottom plate.
Preferably, the inner diameter of the convex wall is equal to the diameter of the pump core hole.
As a preferred scheme, one end of the convex wall is fixedly connected with the bottom plate, and the other end of the convex wall is provided with an opening.
Preferably, the height of the convex wall is 10-30 mm.
Preferably, the convex wall is cylindrical.
Preferably, the bottom plate, the side walls and the convex walls are integrally formed by stamping.
Preferably, the pump core hole is formed at a central position of the bottom plate.
As a preferred scheme, one end of the side wall is fixedly connected with the bottom plate, and the other end of the side wall is provided with an opening.
As a preferred scheme, the bottom plate and the lateral wall handing-over department are provided with first step, the lateral wall is kept away from the second step of the one end of bottom plate, first step and the cooperation of second step joint.
Owing to adopted above-mentioned technical scheme, compare with prior art, the utility model has the advantages that: the utility model provides a multistage pump water conservancy diversion casing through the protruding wall that sets up the tube-shape in pump core hole week, both can carry out the water conservancy diversion, makes the water through the pump core hole comparatively concentrate, can improve holistic structural strength again, makes pump core hole department can not produce the deformation.
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
Drawings
Fig. 1 is a schematic structural view of a guide shell of a multistage pump of the present invention.
Fig. 2 is a schematic structural diagram of a multi-stage pump flow guide casing of the present invention.
Fig. 3 is a schematic diagram of a prior art structure of a multi-stage pump guide shell of the present invention.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Example (b): as shown in fig. 1-2, a multistage pump diversion casing comprises a side wall 1 and a bottom plate 2, wherein the side wall 1 is cylindrical and fixed around the circumference of the bottom plate 2, a pump core hole 3 is arranged on the bottom plate 2, a cylindrical convex wall 4 is arranged on the pump core hole 3 along the circumference, the convex wall 4 can conduct water, so that the water passing through the pump core hole 3 is concentrated, the structural strength of the whole body can be improved, the pump core hole 3 cannot deform, and the convex wall 4 and the side wall 1 are arranged on the same side of the bottom plate 2.
The side plates and the bottom plate 2 enclose an installation space, an impeller is installed at a position close to the bottom plate 2 in the installation space, and a guide vane is installed at one side of the impeller far away from the bottom plate 2.
In this embodiment, as shown in fig. 1-2, the convex wall 4 is cylindrical. The inner diameter of the convex wall 4 is equal to the diameter of the pump core hole 3. One end of the convex wall 4 is fixedly connected with the bottom plate 2 and arranged in the circumferential direction of the pump core hole 3, and the other end of the convex wall is provided with an opening. The water flows from one side of the convex wall 4 close to the bottom plate 2 to the opening side of the other end and directly flows into the impeller, thereby realizing the diversion.
The height of the convex wall 4 is 10-30 mm. In this embodiment, the height of the convex wall 4 is 15 mm.
In this embodiment, the bottom plate 2, the side wall 1 and the convex wall 4 are formed by integral punch forming. The overall strength is higher.
As shown in fig. 2, the pump core hole 3 is provided at a central position of the bottom plate 2.
As shown in fig. 1-2, one end of the sidewall 1 is fixedly connected to the bottom plate 2, and the other end is open. The bottom plate 2 is provided with first step 5 with 1 handing-over department of lateral wall, lateral wall 1 keeps away from the second step 6 of the one end of bottom plate 2, the cooperation of first step 5 and 6 joints of second step. The multistage pump is provided with a plurality of guide shell bodies which are sequentially arranged and fixed, each guide shell body is internally provided with an impeller, and centrifugal force is obtained by means of rotation of the impellers, so that the output water pressure can be large.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. A multistage pump water conservancy diversion casing which characterized in that: the pump core hole is provided with a cylindrical convex wall along the circumferential direction, and the convex wall and the side wall are arranged on the same side of the bottom plate.
2. A multistage pump flow housing according to claim 1, wherein: the inner diameter of the convex wall is equal to the diameter of the pump core hole.
3. A multistage pump flow housing according to claim 1, wherein: one end of the convex wall is fixedly connected with the bottom plate, and the other end of the convex wall is provided with an opening.
4. A multistage pump flow housing according to claim 1, wherein: the height of the convex wall is 10-30 mm.
5. A multistage pump flow housing according to claim 1, wherein: the convex wall is cylindrical.
6. A multistage pump flow housing according to claim 1, wherein: the bottom plate, the side wall and the convex wall are integrally formed in a punching mode.
7. A multistage pump flow housing according to claim 1, wherein: the pump core hole is arranged in the center of the bottom plate.
8. A multistage pump guide housing according to any one of claims 1 to 7, wherein: one end of the side wall is fixedly connected with the bottom plate, and the other end of the side wall is provided with an opening.
9. A multistage pump flow housing according to claim 8, wherein: the bottom plate is provided with first step with lateral wall handing-over department, the second step of the one end of bottom plate is kept away from to the lateral wall, first step and the cooperation of second step joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120742998.8U CN214533552U (en) | 2021-04-13 | 2021-04-13 | Multistage pump water conservancy diversion casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120742998.8U CN214533552U (en) | 2021-04-13 | 2021-04-13 | Multistage pump water conservancy diversion casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214533552U true CN214533552U (en) | 2021-10-29 |
Family
ID=78273589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120742998.8U Active CN214533552U (en) | 2021-04-13 | 2021-04-13 | Multistage pump water conservancy diversion casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214533552U (en) |
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2021
- 2021-04-13 CN CN202120742998.8U patent/CN214533552U/en active Active
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