CN213808509U - Sand prevention bearing for pump - Google Patents
Sand prevention bearing for pump Download PDFInfo
- Publication number
- CN213808509U CN213808509U CN202022904326.0U CN202022904326U CN213808509U CN 213808509 U CN213808509 U CN 213808509U CN 202022904326 U CN202022904326 U CN 202022904326U CN 213808509 U CN213808509 U CN 213808509U
- Authority
- CN
- China
- Prior art keywords
- bearing
- pump
- sand prevention
- sand
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000004576 sand Substances 0.000 title claims abstract description 30
- 230000002265 prevention Effects 0.000 title abstract description 17
- 239000000463 material Substances 0.000 claims 1
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 239000000741 silica gel Substances 0.000 description 4
- 229910002027 silica gel Inorganic materials 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a sand prevention bearing for pump relates to the technical field of immersible pump, has solved current bearing for pump and can not play the technical problem of good support and sand prevention effect simultaneously when using. The sand prevention bearing for the pump comprises a bearing body with an annular cross section; 6-12 arc-shaped bulges are uniformly arranged on the inner wall of the bearing body in a circumferential direction in a surrounding manner; the bulge extends from one end of the inner wall of the bearing body to the other end in the axial direction; the connection between the bulges forms a connecting part. The sand prevention bearing for the pump can play good supporting and sand prevention functions when in use.
Description
Technical Field
The utility model belongs to the technical field of the technique of immersible pump and specifically relates to a sand prevention bearing for pump is related to.
Background
The submersible pump is a water lifting machine which is formed by directly connecting a motor and a water pump into a whole and submerges in water to work. The water source for operation includes reservoir, deep well, river water, etc. and the water may contain some amount of silt, and the submersible pump prevents the silt from entering through the sand preventing bearing.
The existing pump bearing generally adopts a shaft sleeve with an annular cross section, a plurality of axial long grooves are arranged on the inner wall of the bearing at intervals in the circumferential direction, the bending degree of the grooves is similar to that of a semicircular groove, so that the inner wall between the grooves is used as a supporting part to provide enough radial supporting force for the pump shaft, and the inner wall is not easy to generate local abrasion and deformation; however, when the pumped water contains fine sand, the structure can not play a good sand-proof role because a certain distance exists between the pump shaft and the groove, and if the bending degree of the groove is simply reduced and the distance is shortened, the radial supporting force of the pump shaft can be influenced.
In the process of implementing the embodiment, the inventor finds at least the following problems:
the bearing for the existing pump can not play a good role in supporting and sand prevention at the same time when in use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sand prevention bearing for pump has solved current bearing for pump and can not play the technical problem of good support and sand prevention effect simultaneously when using.
The utility model discloses the scheme:
the utility model provides a sand-proof bearing for a pump, which comprises a bearing body with an annular cross section; 6-12 arc-shaped bulges are uniformly arranged on the inner wall of the bearing body in a circumferential direction in a surrounding manner; the bulge extends from one end to the other end of the inner wall of the bearing body in the axial direction; the protrusions are connected with each other to form a connecting part.
Furthermore, the number of the protrusions is 8-10.
Further, the number of the protrusions is 9.
Further, the connecting part is linear or strip-shaped.
Further, the width of the strip-shaped connecting part is smaller than that of the protrusion.
Further, the strip-shaped connecting part is a plane or a curved surface.
Furthermore, the sand-proof bearing is made of rubber or silica gel.
Has the advantages that:
the utility model provides a sand prevention bearing for pump, including the bearing body that the cross section is annular, the even ring in bearing body inner wall circumference is equipped with 6 ~ 12 arc archs; the convex shape is limited, the convex surfaces of the plurality of arc-shaped protrusions which are annularly arranged are attached to the outer wall of the pump shaft to serve as supporting parts, and compared with the situation that the inner wall of a bearing for a pump in the prior art (the cross section of the bearing for the pump is annular, and the inner wall of the bearing for the pump is an arc-shaped concave surface) is directly used as a supporting part, the pump shaft is not easily deformed and can provide high strength and stable supporting force for the pump shaft, so that the pump shaft can be well supported; in addition, the number of the bulges is limited, because the outer diameter of the pump bearing and the outer diameter of the pump shaft used in cooperation (namely the diameter of an inscribed circle of the sand-proof bearing) are fixed, when the number of the bulges is too small, the formed convex surface is wider, the supporting point of the pump shaft is less, the pump shaft is easy to shake during high-speed operation, and when the number of the bulges is too large, the bending degree of the curved surface of the bulge is larger, so that the concave degree of the connecting part is larger, the distance between the curved surface of the bulge and the outer wall of the pump shaft is increased, and in addition, the formed connecting parts are more, so that sand leakage is easy; therefore, the proper number of the bulges, namely 6-12, can play a good role in supporting and preventing sand.
To sum up, this sand prevention bearing can play good support and sand prevention effect simultaneously when using.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a sand-proof bearing for a pump according to the present embodiment;
fig. 2 is another schematic structural diagram of the sand control bearing for a pump according to the present embodiment.
Icon: 10-a bearing body;
11-a bump; 12-a connecting part.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
The utility model provides a sand-proof bearing for a pump, which is shown in a reference figure 1 and a reference figure 2 and comprises a bearing body 10 with an annular cross section; 6-12 arc-shaped protrusions 11 are uniformly arranged on the inner wall of the bearing body 10 in a circumferential direction in a surrounding mode; the bulge 11 extends from one end to the other end of the inner wall of the bearing body 10 in the axial direction; the connection between the protrusions 11 forms a connection portion 12.
Specifically, the bearing comprises a bearing body 10 with an annular cross section, wherein 6-12 arc-shaped protrusions 11 are uniformly arranged on the inner wall of the bearing body 10 in a circumferential direction in a surrounding manner; the shape of the protrusions 11 is further limited, the convex surfaces of the plurality of arc-shaped protrusions 11 which are annularly arranged are attached to the outer wall of the pump shaft to serve as supporting parts, and compared with the situation that the inner wall of a bearing for a pump in the prior art (the cross section of the bearing for the pump is annular, and the inner wall of the bearing for the pump is an arc-shaped concave surface) is directly used as a supporting part, the pump shaft is not easy to deform, and can provide high strength and stable supporting force for the pump shaft, so that the pump shaft can be well supported; in addition, the number of the protrusions 11 is further limited, because the outer diameter of the pump bearing and the outer diameter of the pump shaft used in cooperation (namely the diameter of the inscribed circle of the sand-proof bearing) are fixed, when the number of the protrusions 11 is too small, the formed convex surface is wider, the supporting points of the pump shaft are less, the pump shaft is easy to shake when running at high speed, and when the number of the protrusions 11 is too large, the curved surface of the protrusions 11 is bent to a greater degree, so that the distance between the connecting part 12 and the outer wall of the pump shaft is increased, and in addition, the formed connecting part 12 is more, so that the sand-proof performance is influenced; therefore, the proper number of the protrusions 11, namely 6-12, can play a good role in supporting and sand prevention.
To sum up, this sand prevention bearing can play good support and sand prevention effect simultaneously when using. In this embodiment, the number of the protrusions 11 is 8 to 10.
Preferably, the number of the protrusions 11 is 8-10.
In this embodiment, the number of the projections 11 is 9.
Specifically, the number of the protrusions 11 is 9, and the supporting and sand-preventing effects are good.
In the present embodiment, the connecting portion 12 is linear or strip-shaped.
Specifically, the connecting portion 12 formed by the connection between the protrusions 11 is a long strip-shaped surface or line with a small width.
Referring to fig. 1, in the present embodiment, the width of the bar-shaped connection portion 12 is smaller than the width of the protrusion 11.
Specifically, the width of the strip-shaped connecting portion 12 is smaller and much smaller than the width of the protrusion 11, wherein the width of the protrusion 11 refers to the distance between adjacent connecting portions 12.
Referring to fig. 1, in the present embodiment, the bar-shaped connecting portion 12 is a plane or a curved surface.
Specifically, when the strip-shaped connecting portion 12 is a curved surface, the degree of curvature of the curved surface is relatively close to a flat surface.
In this embodiment, the sand-proof bearing is made of rubber or silica gel.
Specifically, the water pump is divided into a cold water pump and a hot water pump, wherein the cold water pump is used for conveying liquid with the temperature below 80 ℃, and the hot water pump is used for conveying liquid with the temperature between 80 ℃ and 120 ℃; because silica gel has better high temperature resistance, silica gel bearings are mostly used for hot water pumps, and rubber bearings are mostly used for cold water pumps.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (7)
1. A sand control bearing for a pump, comprising a bearing body (10) having an annular cross-section;
6-12 arc-shaped bulges (11) are uniformly arranged on the inner wall of the bearing body (10) in a circumferential direction in a surrounding manner;
the bulge (11) extends from one end to the other end of the inner wall of the bearing body (10) in the axial direction;
the protrusions (11) are connected to form a connecting part (12).
2. The sand control bearing for a pump according to claim 1, wherein the number of the protrusions (11) is 8 to 10.
3. A sand control bearing for a pump according to claim 2, characterized in that the number of the protrusions (11) is 9.
4. A sand control bearing for a pump according to claim 1, wherein the connecting portion (12) is linear or strip-shaped.
5. Sand control bearing for a pump according to claim 4, characterized in that the strip-shaped connecting portion (12) has a width smaller than the width of the projection (11).
6. Sand control bearing for a pump according to claim 5, characterized in that the strip-shaped connecting portion (12) is planar or curved.
7. The sand control bearing for the pump according to any one of claims 1 to 6, wherein the material of the sand control bearing is rubber or silicone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022904326.0U CN213808509U (en) | 2020-12-07 | 2020-12-07 | Sand prevention bearing for pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022904326.0U CN213808509U (en) | 2020-12-07 | 2020-12-07 | Sand prevention bearing for pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213808509U true CN213808509U (en) | 2021-07-27 |
Family
ID=76944116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022904326.0U Active CN213808509U (en) | 2020-12-07 | 2020-12-07 | Sand prevention bearing for pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213808509U (en) |
-
2020
- 2020-12-07 CN CN202022904326.0U patent/CN213808509U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8088059B2 (en) | Blood pump bearings with separated contact surfaces | |
| JP2002013643A (en) | Sealing sleeve | |
| CN213808509U (en) | Sand prevention bearing for pump | |
| JPH0714220U (en) | Submerged bearing | |
| EP1152151B2 (en) | Self aligning magnet pump | |
| CN112955662B (en) | Vacuum pump | |
| CN102459819B (en) | A rotor blade for an axial flow turbomachine and mounting for such a rotor blade | |
| CN215025227U (en) | Pump body and ventricular assist system | |
| CN210599549U (en) | Impeller anti-abrasion structure on water pump | |
| CN104033493B (en) | bearing fixing structure | |
| EP2649323B1 (en) | Thrust bearing device | |
| CN110594418B (en) | Mechanical seal end face structure of lightning step shallow groove | |
| CN208185046U (en) | A kind of sectional type bearing arrangement | |
| CN112516455A (en) | Pump body and ventricular assist system | |
| CN213870771U (en) | Sliding bearing | |
| CN216842282U (en) | Novel fan rotor structure | |
| CN117145799A (en) | Multistage centrifugal pump impeller flow guiding structure and multistage centrifugal pump | |
| CN211820736U (en) | Connect stable mechanical seal spare | |
| CN214887775U (en) | High-temperature-resistant submerged pump | |
| CN214330860U (en) | Peristaltic pump rotor | |
| CN217999949U (en) | Radial support impeller | |
| CN213574775U (en) | Line contact type rubber bearing structure | |
| CN221779675U (en) | Cantilever pump connection structure | |
| CN209838747U (en) | Axial positioning structure of pump shaft of impeller pump | |
| CN210599550U (en) | Impeller on self priming pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240606 Address after: 054300 North of Nancheng Village, Lincheng Town, Xingtai City, Hebei Province Patentee after: Hebei North Submersible Pump Technology Co.,Ltd. Country or region after: China Address before: 054300 Lincheng town Nancheng village, Lincheng County, Xingtai City, Hebei Province Patentee before: Hebei Wanyang Pump Industry Co.,Ltd. Country or region before: China |