CN214660886U - Cone type self-discharging sand pump unit combined structure - Google Patents
Cone type self-discharging sand pump unit combined structure Download PDFInfo
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- CN214660886U CN214660886U CN202121021632.8U CN202121021632U CN214660886U CN 214660886 U CN214660886 U CN 214660886U CN 202121021632 U CN202121021632 U CN 202121021632U CN 214660886 U CN214660886 U CN 214660886U
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- impeller
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Abstract
The utility model belongs to the technical field of centrifugal pumps, in particular to a cone-type self-discharging sand pump assembly combined structure, which comprises a guide plate structure (3), an impeller structure (2) and a guide vane structure (1); the impeller structure (2) comprises a hub (5), an impeller front cover plate (7) and an impeller rear cover plate (6); stator structure (1) is equipped with through shaft hole (4) including impeller cover, stator main part (11), pressure-bearing pad (10) stator main part (11) axle center department, crosses shaft hole (4) and is the taper shape, and wheel hub (5) adopt cylindrical wheel hub, cross and form a big gap from top to bottom between shaft hole (4) inside wall and the wheel hub (5) lateral wall of embedding through shaft hole (4). When silt is deposited in the gap, all sand particles deposited in the gap enter the runner of the impeller through the gap, and when the water pump operates again, the sand particles are discharged out of the water pump, so that the problem of sand accumulation at the position of relative movement of the water pump is solved.
Description
Technical Field
The utility model belongs to the technical field of the centrifugal pump, especially, relate to a sand pump set integrated configuration is arranged from tapering.
Background
At present, along with the applied field of well submersible electric pump is more and more, the product can face different flowing medium states, especially deep well water intaking field, aquatic often can contain a certain amount of silt composition, in-process that the water pump operates to shutting down repeatedly many times, the silt medium of aquatic constantly deposits in the little gap of runner, can appear the interior long-pending sand of gap, especially in the middle of the little gap between static part and the moving part, if long-pending sand phenomenon appears, can bring extra axial power loss to the water pump, bring unnecessary load for the motor, serious person can directly damage the motor. Meanwhile, the sand accumulation phenomenon is often accompanied with the abrasion of the water pump overflowing part. Therefore, the problem of sand accumulation at the position of relative movement of the water pump is solved, and one of the necessary conditions for prolonging the service life and improving the reliability of the water pump is provided.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In view of the above-mentioned shortcoming, the deficiency of prior art, the utility model provides a awl formula is from arranging sand pump unit integrated configuration, its technical problem who solves water pump gap department long-pending sand.
(II) technical scheme
In order to achieve the above object, the utility model discloses a main technical scheme include:
a cone type self-discharging sand pump assembly combination structure, comprising: guide plate structure, impeller structure, stator structure, its characterized in that:
the impeller structure comprises a hub, an impeller front cover plate and an impeller rear cover plate;
the stator structure includes impeller cover, stator main part and pressure pad, and stator main part axle center department is equipped with the shaft hole, crosses the shaft hole and is conical, and the inside wall in shaft hole begins to lean out from the top edge department to the upper surface diameter who crosses the shaft hole is less than the lower surface diameter, wheel hub adopts cylindrical wheel hub, crosses the shaft hole inside wall and imbeds and forms the big gap from top to bottom between the wheel hub lateral wall in shaft hole.
Preferably, the shaft passing hole can be cylindrical, correspondingly, the hub is a cone-shaped hub, so that the cone-shaped hub is embedded into the cylindrical shaft passing hole to form a gap with a small upper part and a large lower part.
Preferably, the included angle between the inner side wall of the shaft passing hole and the axis is 1-45 degrees.
Preferably, the impeller sleeve is positioned on the outer side of the guide vane main body, and a plurality of protrusions which are arranged at equal intervals are arranged at the lower edge of the impeller sleeve; and a groove is formed at the upper edge of the through shaft hole and used for placing a pressure bearing pad.
Preferably, the impeller rear cover plate is provided with blades, and the axle center of the impeller rear cover plate is provided with a through hole for mounting the hub.
Preferably, the impeller front cover plate is annular, is located the blade below, and the cover is located on wheel hub.
Preferably, the guide plate structure includes guide plate main part and sealed the pad, the guide plate main part is ring shape, and guide plate main part axle center department is equipped with the through-hole, and guide plate main part upper surface and lower surface outside edge are equipped with the recess that a plurality of equidistance was arranged.
Preferably, the sealing gasket is positioned in a through hole at the axis of the deflector body, and a groove is outwards arranged on the side wall at the upper edge of the through hole.
(III) advantageous effects
The utility model has the advantages that: the utility model discloses a conical sand discharge pump unit integrated configuration, it crosses the shaft hole and is the taper shape, the inside wall in crossing the shaft hole begins to lean out from the top edge department, cross and form a big-end-up's gap between the wheel hub lateral wall of shaft hole inside wall and embedding, when sediment deposit is to the gap in, because big-end-up's gap, all deposit the sand grain in the gap, all can enter into the runner of impeller through this gap, when the water pump operates once more, with this sand grain discharge water pump, conical sand discharge structure has been formed, the long-pending sand problem of water pump relative motion position department has been solved. The utility model discloses sand pump unit integrated configuration is arranged certainly to awl formula has reasonable in design, and intensity is reliable, and simple structure does not have the characteristics of additional cost, can solve the long-pending sand problem of water pump relative motion position department effectively.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a cross-sectional view of the impeller structure of the present invention;
FIG. 4 is a cross-sectional view of the structure of the baffle of the present invention;
fig. 5 is a sectional view of the guide vane structure of the present invention.
[ description of reference ]
1: a guide vane structure;
2: an impeller structure;
3: a deflector structure;
4: a shaft passing hole;
5: a hub;
6: an impeller rear cover plate;
7: an impeller front cover plate;
8: a deflector body;
9: a gasket;
10: a pressure bearing pad;
11: a vane body.
Detailed Description
For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings. In which the terms "upper", "lower", etc. are used herein with reference to the orientation of fig. 1.
In order to better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The utility model provides a cone type is from sand discharge pump unit integrated configuration, it includes: guide plate structure 3, impeller structure 2, stator structure 3.
The impeller structure 2 comprises a hub 5, an impeller front cover plate 7 and an impeller rear cover plate 6. The impeller rear cover plate 6 is provided with blades, and the axle center of the impeller rear cover plate 6 is provided with a through hole for mounting the hub 5. The impeller front cover plate 7 is annular, and the impeller front cover plate 7 is positioned below the blades and sleeved on the hub 5. The impeller structure 2 is used for drainage, so that the water body rotates along with the impeller structure 2 to flow.
The guide vane structure 3 comprises an impeller sleeve, a guide vane main body 11 and a pressure bearing pad 10, wherein the impeller sleeve is positioned on the outer side of the guide vane main body 11, and a plurality of bulges which are arranged at equal intervals are arranged at the lower edge of the impeller sleeve. The 11 axle center departments of stator main part are equipped with through shaft hole 4, through shaft hole 4 is the taper shape, the inside wall in through shaft hole 4 begins to lean out from the top edge, so that the upper surface diameter of passing shaft hole 4 is less than the lower surface diameter, the contained angle between the inside wall of passing shaft hole 4 and the axis is 1 degree to 45 degrees, it forms big-end-up's gap to cross between 4 inside walls in shaft hole and the 5 lateral walls of wheel hub that imbeds through shaft hole 4, wheel hub 5 adopts cylindrical wheel hub, when silt deposits in the gap, because big-end-down in the gap, all sand grains that deposit in the gap, all can enter into the runner of impeller through this gap, when the water pump operates once more, with this sand grain discharge water pump, therefore formed the taper type from sand discharge structure, the long-pending sand problem of water pump relative motion position department has been solved.
The upper edge of the shaft passing hole 4 is provided with a groove for placing a pressure bearing pad 10.
As another preferred embodiment, the utility model discloses a wheel hub 5 can adopt the cone wheel hub, and is corresponding, crosses shaft hole 4 and is cylindrical, and in the cylindrical shaft hole 4 that crosses of cone wheel hub embedding, form a gap big end down.
The utility model discloses a conical sand discharge pump unit integrated configuration certainly, it crosses shaft hole 4 and is the taper shape, the inside wall that crosses shaft hole 4 begins to lean out from the top edge department, cross and form a big-end-up's gap between the 5 lateral walls of wheel hub in shaft hole 4 inside wall and embedding, when the silt deposit is to in the gap, because big-end-up in the gap, all deposit the sand grain in the gap, all can enter into the runner of impeller through this gap, when the water pump operates once more, with this sand grain discharge water pump, conical sand discharge structure certainly has been formed, the long-pending sand problem of water pump relative motion position department has been solved. The utility model discloses sand pump unit integrated configuration is arranged certainly to awl formula has reasonable in design, and intensity is reliable, and simple structure does not have the characteristics of additional cost, can solve the long-pending sand problem of water pump relative motion position department effectively.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; either as communication within the two elements or as an interactive relationship of the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
While embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that modifications, alterations, substitutions and variations may be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (8)
1. A cone type self-discharging sand pump assembly combination structure, comprising: guide plate structure (3), impeller structure (2), stator structure (1), its characterized in that:
the impeller structure (2) comprises a hub (5), an impeller front cover plate (7) and an impeller rear cover plate (6);
stator structure (1) is including impeller cover, stator main part (11) and bearing pad (10), and stator main part (11) axle center department is equipped with shaft hole (4), crosses shaft hole (4) and is conical, and the inside wall in shaft hole (4) begins to lean out from the top edge department to the upper surface diameter who passes shaft hole (4) is less than the lower surface diameter, wheel hub (5) adopt cylindrical wheel hub, cross and form the gap big end down between wheel hub (5) the lateral wall in shaft hole (4) inside wall and embedding cross shaft hole (4).
2. The conical self-discharging sand pump assembly composite structure as recited in claim 1, wherein: the through-shaft hole (4) can also be in a cylindrical shape, correspondingly, the hub (5) adopts a cone-shaped hub, so that the cone-shaped hub is embedded into the cylindrical through-shaft hole (4) to form a gap with a small upper part and a large lower part.
3. The conical self-discharging sand pump assembly composite structure as recited in claim 1, wherein: the included angle between the inner side wall of the shaft passing hole (4) and the axis is 1 degree to 45 degrees.
4. The conical self-discharging sand pump assembly composite structure as recited in claim 1, wherein: the impeller sleeve is positioned on the outer side of the guide vane main body (11), and a plurality of bulges which are arranged at equal intervals are arranged at the lower edge of the impeller sleeve; and a groove is formed at the upper edge of the through shaft hole (4) and used for placing a pressure bearing pad (10).
5. The conical self-discharging sand pump assembly composite structure as recited in claim 1, wherein: the impeller rear cover plate (6) is provided with blades, and the axle center of the impeller rear cover plate (6) is provided with a through hole for mounting the hub (5).
6. The conical self-discharging sand pump assembly composite structure as recited in claim 1, wherein: the impeller front cover plate (7) is annular, and the impeller front cover plate (7) is located below the blades and sleeved on the hub (5).
7. The conical self-discharging sand pump assembly composite structure as recited in claim 1, wherein: guide plate structure (3) are including guide plate main part (8) and sealed pad (9), guide plate main part (8) are ring shape, and guide plate main part (8) axle center department is equipped with the through-hole, and guide plate main part (8) upper surface and lower surface outside edge are equipped with the recess that a plurality of equidistance was arranged.
8. The cone type self-sand-discharging pump unit assembling structure according to claim 7, wherein: the sealing gasket is positioned in the through hole at the axle center of the guide plate main body (8), and a groove is outwards arranged on the side wall at the upper edge of the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121021632.8U CN214660886U (en) | 2021-05-13 | 2021-05-13 | Cone type self-discharging sand pump unit combined structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121021632.8U CN214660886U (en) | 2021-05-13 | 2021-05-13 | Cone type self-discharging sand pump unit combined structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214660886U true CN214660886U (en) | 2021-11-09 |
Family
ID=78488001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121021632.8U Active CN214660886U (en) | 2021-05-13 | 2021-05-13 | Cone type self-discharging sand pump unit combined structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214660886U (en) |
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2021
- 2021-05-13 CN CN202121021632.8U patent/CN214660886U/en active Active
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