CN219492715U - Submersible sewage pump protective cover device capable of automatically dredging and submersible sewage pump - Google Patents
Submersible sewage pump protective cover device capable of automatically dredging and submersible sewage pump Download PDFInfo
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- CN219492715U CN219492715U CN202320460582.6U CN202320460582U CN219492715U CN 219492715 U CN219492715 U CN 219492715U CN 202320460582 U CN202320460582 U CN 202320460582U CN 219492715 U CN219492715 U CN 219492715U
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- protective cover
- connecting shaft
- dirt scraping
- side wall
- hole
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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Abstract
A submersible sewage pump protective cover device capable of automatically dredging and a submersible sewage pump are provided, wherein the submersible sewage pump protective cover device comprises a protective cover, and a sewage scraping device for scraping sewage on the side wall of a protective cover cylinder is arranged outside the protective cover; the protection cover is of a cylindrical structure, the cylindrical structure comprises a cylindrical side wall, a plurality of through holes are uniformly distributed on the cylindrical side wall, the bottom end of the cylindrical side wall is sealed by a sealing plate, a mounting hole is formed in the middle of the sealing plate, a connecting shaft connected with the end part of a motor shaft is arranged at the mounting hole through a bearing, and the dirt scraping device is detachably connected with the end part of the connecting shaft through a fastening screw. The utility model uses the self rotating force of the submersible sewage pump to drive the connecting shaft and the sewage scraping device to rotate, so as to clean the sewage on the surface of the protective cover.
Description
Technical Field
The utility model belongs to the field of sewage treatment, and particularly relates to a protective cover device and a submersible sewage pump.
Background
In the process of the technical operation of the rural sewage treatment plant, a submersible sewage pump is required to be used for lifting sewage in the regulating tank to the biochemical section. At present, a large amount of domestic garbage such as plastic bags, foam and the like exist in the regulating tanks of the rural sewage treatment plant, so that the sewage submersible pump is extremely easy to be jammed in the working process, the biochemical section cannot normally feed water, and the operation of the treatment plant is abnormal.
The existing submersible sewage pump protective cover is simple in modification and plasticity of a steel wire mesh, the blocking times are still more frequent due to the small hole diameter of the steel wire mesh in the production process, automatic cleaning cannot be performed, the manual cleaning difficulty is high, and a large amount of manpower and material resources are consumed.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides the submersible sewage pump protective cover device capable of automatically dredging and the submersible sewage pump, and the surface sewage can be automatically protected by utilizing the sewage scraping device, so that the design is reasonable.
The technical scheme of the utility model is as follows: the submersible sewage pump comprises a pump body and a motor arranged at the upper part of the pump body, wherein an impeller in the pump body is arranged at the lower part of a motor shaft of the motor, a base is arranged at the lower end of the pump body, an inner cavity of the base is a water inlet, and a protective cover is covered on the base; the protection cover is of a cylindrical structure, the cylindrical structure comprises a cylindrical side wall, a plurality of through holes are uniformly distributed on the cylindrical side wall, the bottom end of the cylindrical side wall is sealed by a sealing plate, a mounting hole is formed in the middle of the sealing plate, a connecting shaft connected with the end part of a motor shaft is arranged at the mounting hole through a bearing, a dirt scraping device for scraping dirt on the cylindrical side wall of the protection cover is arranged outside the protection cover, and the dirt scraping device is connected with the connecting shaft.
The middle part of the connecting shaft is provided with a through hole along the axial direction, the connecting hole at the end part of the motor shaft is a threaded hole matched with the fastening screw, and when the end part of the motor shaft is in butt joint with the inner end of the connecting shaft, the through hole and the threaded hole form a screw mounting hole, and the fastening screw used for connecting the motor shaft and the connecting shaft is inserted into the screw mounting hole.
The dirt scraping device is tightly connected between the screw head of the fastening screw and the outer end of the connecting shaft.
The dirt scraping device comprises two dirt scraping plates axially arranged along the protective cover and a connecting plate for connecting the two dirt scraping plates, wherein the connecting plate is radially arranged along the protective cover, the connecting plate for connecting the dirt scraping device is tightly pressed between a screw head of a fastening screw and the end part of a connecting shaft, and a yielding hole matched with the screw is formed in the middle of the connecting plate.
The distance between the two dirt scraping plates is equal to the outer diameter of the protective cover.
A submersible sewage pump protective cover device capable of automatically dredging comprises a protective cover, wherein a sewage scraping device for scraping sewage on the side wall of a protective cover cylinder is arranged outside the protective cover; the protection cover is of a cylindrical structure, the cylindrical structure comprises a cylindrical side wall, a plurality of through holes are uniformly distributed on the cylindrical side wall, the bottom end of the cylindrical side wall is sealed by a sealing plate, a mounting hole is formed in the middle of the sealing plate, a connecting shaft connected with the end part of a motor shaft is arranged at the mounting hole through a bearing, and the dirt scraping device is connected with the connecting shaft.
The dirt scraping device comprises two dirt scraping plates axially arranged along the protective cover and a connecting plate for connecting the two dirt scraping plates, wherein the connecting plate is radially arranged along the protective cover, the connecting plate of the dirt scraping device is pressed between a screw head of a fastening screw and the end part of a connecting shaft, and a yielding hole matched with the screw is formed in the middle of the connecting plate.
The distance between the two dirt scraping plates is equal to the outer diameter of the protective cover.
The middle part of the connecting shaft is provided with a through hole along the axial direction, the connecting hole at the end part of the motor shaft is a threaded hole matched with the fastening screw rod, and when the end part of the motor shaft is in butt joint with the inner end of the connecting shaft, the through hole and the threaded hole form a screw rod mounting hole, and the fastening screw rod used for connecting the motor shaft and the connecting shaft is inserted into the screw rod mounting hole; the dirt scraping device is tightly connected between the screw head of the fastening screw and the outer end of the connecting shaft.
According to the utility model, the steel wire mesh is replaced by a cylindrical steel pipe according to the optimization of the original submersible sewage pump protective cover, and through holes are added on the pipe wall to ensure the normal entry of sewage. Meanwhile, a bearing, a connecting shaft and a dirt scraping device are added at the bottom of the cylindrical steel pipe, the connecting shaft is connected with a motor shaft of the submersible dirt pump, the connecting shaft and the dirt scraping device are driven to rotate by the self-rotation force of the submersible dirt pump, and dirt on the surface of the protective cover is cleaned.
Drawings
FIG. 1 is a schematic view of a submersible sewage pump of the present utility model;
FIG. 2 is a schematic diagram of a submersible pump shield apparatus for automatic dredging according to one embodiment of the present utility model;
FIG. 3 is a perspective view of the submersible pump shield apparatus of the present utility model with automatic dredging;
FIG. 4 is a second schematic view of the structure of the submersible sewage pump shield apparatus of the present utility model capable of automatic dredging.
Description of the embodiments
In fig. 1 and 2, the side of a pump body 1 is a water outlet 12, a motor is arranged on the upper part of the pump body 1, an impeller in the pump body 1 is arranged on the lower part of a motor shaft of the motor, a base 11 is arranged at the lower end of the pump body, an inner cavity of the base is a water inlet, a protective cover 6 is covered outside the base 11, the protective cover 6 is of a cylindrical structure, the cylindrical structure comprises a cylindrical side wall, a plurality of through holes are uniformly distributed on the cylindrical side wall, the bottom end of the cylindrical side wall is sealed by a sealing plate, a mounting hole is arranged in the middle of the sealing plate, a connecting shaft 5 connected with the end part of the motor shaft is arranged at the mounting hole through a bearing 4, and a dirt scraping device 3 is arranged outside the protective cover 6. The dirt scraping device 3 is pressed between the screw head of the fastening screw and the outer end of the connecting shaft 5. The fastening screw is inserted into the connecting hole between the through hole on the connecting shaft 5 and the end of the motor shaft, so that the connecting shaft 5 is connected with the end of the motor shaft. The middle part of the connecting shaft 5 is provided with a through hole along the axial direction, the connecting hole at the end part of the motor shaft is a threaded hole matched with the fastening screw, the through hole and the threaded hole form a screw installation hole when the end part of the motor shaft is butted with the inner end of the connecting shaft 5, the fastening screw used for connecting the motor shaft and the connecting shaft 5 is inserted into the screw installation hole, and the end face of the connecting hole is butted with the inner end of the connecting shaft 5.
In fig. 3 and 4, the dirt scraping device 3 comprises two dirt scraping plates axially arranged along the protective cover 6, and a connecting plate for connecting the two dirt scraping plates, wherein the connecting plate is radially arranged along the protective cover 6, the connecting plate of the dirt scraping device 3 is pressed between a screw head of a fastening screw and the end part of the connecting shaft 5, and a yielding hole matched with the screw is formed in the middle of the connecting plate. The distance between the two dirt scraping plates is equal to or larger than the outer diameter of the protective cover 6.
During operation, dirt in the sewage is isolated outside the pump body by the protective cover 6, and when the sewage enters the pump body from the water inlet of the pump body 1 through the through hole on the protective cover 6. In the pump body working process, the connecting shaft 5 and the dirt scraping device 3 are driven to rotate by utilizing the self rotating force of the submersible dirt pump, dirt on the surface of the protective cover 6 is automatically cleaned, and the times of manual maintenance are reduced.
Claims (9)
1. A submersible sewage pump, characterized in that: the device comprises a pump body (1) and a motor arranged at the upper part of the pump body, wherein an impeller in the pump body is arranged at the lower part of a motor shaft of the motor, a base (11) is arranged at the lower end of the pump body, an inner cavity of the base is a water inlet, and a protective cover (6) is covered on the base (11); the protection cover (6) is of a cylindrical structure, the cylindrical structure comprises a cylindrical side wall, a plurality of through holes are uniformly distributed on the cylindrical side wall, the bottom end of the cylindrical side wall is sealed by a sealing plate, a mounting hole is formed in the middle of the sealing plate, a connecting shaft (5) connected with the end part of a motor shaft is arranged at the mounting hole through a bearing (4), a dirt scraping device (3) for scraping dirt on the cylindrical side wall of the protection cover is arranged outside the protection cover (6), and the dirt scraping device (3) is connected with the connecting shaft (5).
2. The submersible sewage pump of claim 1 wherein: the middle part of the connecting shaft (5) is provided with a through hole along the axial direction, the connecting hole at the end part of the motor shaft is a threaded hole matched with the fastening screw rod, and the through hole and the threaded hole form a screw rod mounting hole when the end part of the motor shaft is in butt joint with the inner end of the connecting shaft (5) for connecting the motor shaft and the fastening screw rod of the connecting shaft (5) to be inserted into the screw rod mounting hole.
3. The submersible sewage pump of claim 2 wherein: the dirt scraping device (3) is tightly connected between the screw head of the fastening screw and the outer end of the connecting shaft (5).
4. A submersible sewage pump according to claim 1 or 3, wherein: the dirt scraping device (3) comprises two dirt scraping plates axially arranged along the protective cover (6), and a connecting plate for connecting the two dirt scraping plates, wherein the connecting plate is radially arranged along the protective cover (6), the connecting plate for connecting the dirt scraping device (3) is pressed between a screw head of a fastening screw and the end part of the connecting shaft (5), and a yielding hole matched with the screw is formed in the middle of the connecting plate.
5. A submersible sewage pump according to claim 3, wherein: the distance between the two dirt scraping plates is equal to the outer diameter of the protective cover (6).
6. Can automatic submersible sewage pump protection casing device of desilting, its characterized in that: comprises a protective cover (6), a dirt scraping device (3) is arranged outside the protective cover (6) and used for scraping dirt on the side wall of the protective cover cylinder; the protection cover (6) is of a cylindrical structure, the cylindrical structure comprises a cylindrical side wall, a plurality of through holes are uniformly distributed on the cylindrical side wall, the bottom end of the cylindrical side wall is sealed by a sealing plate, a mounting hole is formed in the middle of the sealing plate, a connecting shaft (5) connected with the end part of a motor shaft is arranged at the mounting hole through a bearing (4), and the dirt scraping device (3) is connected with the connecting shaft (5).
7. The submersible pump protective cover device capable of automatically dredging according to claim 6, wherein: the dirt scraping device (3) comprises two dirt scraping plates axially arranged along the protective cover (6), and a connecting plate for connecting the two dirt scraping plates, wherein the connecting plate is radially arranged along the protective cover (6), the connecting plate of the dirt scraping device (3) is pressed between a screw head of a fastening screw and the end part of the connecting shaft (5), and a yielding hole matched with the screw is formed in the middle of the connecting plate.
8. The submersible pump protective cover device capable of automatically dredging according to claim 6, wherein: the distance between the two dirt scraping plates is equal to the outer diameter of the protective cover (6).
9. The submersible pump protective cover device capable of automatically dredging according to claim 6, wherein: the middle part of the connecting shaft (5) is provided with a through hole along the axial direction, the connecting hole at the end part of the motor shaft is a threaded hole matched with the fastening screw rod, and when the end part of the motor shaft is in butt joint with the inner end of the connecting shaft (5), the through hole and the threaded hole form a screw rod mounting hole, and the fastening screw rod used for connecting the motor shaft and the connecting shaft (5) is inserted into the screw rod mounting hole; the dirt scraping device (3) is tightly connected between the screw head of the fastening screw and the outer end of the connecting shaft (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320460582.6U CN219492715U (en) | 2023-03-13 | 2023-03-13 | Submersible sewage pump protective cover device capable of automatically dredging and submersible sewage pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320460582.6U CN219492715U (en) | 2023-03-13 | 2023-03-13 | Submersible sewage pump protective cover device capable of automatically dredging and submersible sewage pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219492715U true CN219492715U (en) | 2023-08-08 |
Family
ID=87483550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320460582.6U Active CN219492715U (en) | 2023-03-13 | 2023-03-13 | Submersible sewage pump protective cover device capable of automatically dredging and submersible sewage pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219492715U (en) |
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2023
- 2023-03-13 CN CN202320460582.6U patent/CN219492715U/en active Active
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