CN213451000U - Rear cover structure in magnetic self-priming pump - Google Patents
Rear cover structure in magnetic self-priming pump Download PDFInfo
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- CN213451000U CN213451000U CN202021940305.8U CN202021940305U CN213451000U CN 213451000 U CN213451000 U CN 213451000U CN 202021940305 U CN202021940305 U CN 202021940305U CN 213451000 U CN213451000 U CN 213451000U
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- rear cover
- axle center
- disc
- main body
- shaped main
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Abstract
The utility model discloses a rear cover structure in a magnetic self-priming pump, which comprises a rear cover, wherein the rear cover is provided with a disc-shaped main body, one side of the disc-shaped main body is provided with an opening structure, the middle position of the opening structure is provided with a groove, the outer circumferential surface of the disc-shaped main body is provided with a water filling port, and the water filling port is communicated with the opening structure in the rear cover; a rear cover is arranged on the end face of the other side of the disc-shaped main body; an axle center is arranged in the groove, the outer side end of the axle center is positioned in the opening structure, and the inner side end of the axle center is connected with the inner end surface of the rear cover; the end part of the joint of the axle center and the rear cover is provided with an annular step, and the axle center of the annular step is sleeved with a wear-resistant sheet. The utility model discloses a back closing cap and back closing cap structure of integral type to carried out redesign to the rear end structure of magnetic force self priming pump, promoted the bulk strength of magnetic force self priming pump rear end.
Description
Technical Field
The utility model relates to a magnetic force self priming pump field, specifically speaking, in particular to back lid structure among magnetic force self priming pump.
Background
The magnetic self-priming pump adopts an external mixing type axial backwater structure, the pump body comprises a suction chamber, a liquid storage chamber, a volute, a backflow hole, a gas-liquid separation chamber and the like, and residual liquid in the suction chamber and air in a liquid inlet pipeline are stirred into a gas-water mixture by an impeller under the action of centrifugal force after the pump is started.
The rear cover structure of the existing magnetic self-priming pump has insufficient strength due to the defects of structural design.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a back lid structure among the magnetic force self priming pump to the not enough among the prior art to solve the problem that exists among the prior art.
The utility model provides a technical problem can adopt following technical scheme to realize:
a rear cover structure in a magnetic self-sucking pump comprises a rear sealing cover, wherein the rear sealing cover is provided with a disc-shaped main body, an opening structure is arranged on one side of the disc-shaped main body, a groove is formed in the middle of the opening structure, a water filling port is formed in the outer circumferential surface of the disc-shaped main body, and the water filling port is communicated with the opening structure in the rear sealing cover;
a rear cover is arranged on the end face of the other side of the disc-shaped main body;
an axle center is arranged in the groove, the outer side end of the axle center is positioned in the opening structure, and the inner side end of the axle center is connected with the inner end surface of the rear cover; the end part of the joint of the axle center and the rear cover is provided with an annular step, and the axle center of the annular step is sleeved with a wear-resistant sheet.
Further, the rear cover is connected with the rear cover through an integrated structure.
Furthermore, the inner end face of the rear cover is provided with a positioning groove, and the inner side end of the axis is positioned in the positioning groove.
Furthermore, an internal thread is formed on the inner side wall of the water injection port.
Furthermore, a plurality of connecting holes are formed along the inner side surface of the rear sealing cover.
Compared with the prior art, the beneficial effects of the utility model reside in that:
adopt the back closing cap and the back closing cap structure of integral type to carry out redesign to the rear end structure of magnetic force self priming pump, promoted the bulk strength of magnetic force self priming pump rear end.
Drawings
Fig. 1 is a perspective view of a rear cover structure in a magnetic self-priming pump of the present invention.
Fig. 2 is a sectional view of the rear cover structure of the magnetic self-priming pump of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1 and 2, the rear cover structure of the magnetic self-priming pump of the present invention includes a rear cover (1), the rear cover (1) has a disc-shaped main body (11), an opening structure (12) is disposed on one side of the disc-shaped main body (11), a groove (13) is disposed at a middle position of the opening structure (12), a water injection port (2) is disposed on an outer circumferential surface of the disc-shaped main body (11), and the water injection port (2) is communicated with the opening structure (12) in the rear cover (1);
a rear cover (3) is arranged on the end face of the other side of the disc-shaped main body (11);
an axle center (4) is arranged in the groove (13), the outer side end of the axle center (4) is positioned in the opening structure (12), and the inner side end of the axle center (4) is connected with the inner end face of the rear cover (3); an annular step (31) is arranged at the end part of the joint of the axle center (4) and the rear cover (3), and an abrasion-resistant sheet (5) is sleeved on the axle center (4) at the annular step (31).
The rear sealing cover (1) is connected with the rear cover (2) through an integrated structure.
The inner end face of the rear cover (3) is provided with a positioning groove (32), and the inner side end of the axle center (4) is positioned in the positioning groove (32).
And internal threads are formed on the inner side wall of the water injection port (2).
And a plurality of connecting holes (14) are formed along the inner side surface of the rear sealing cover (1).
The working principle of the utility model is as follows:
adopt the back closing cap and the back closing cap structure of integral type to carry out redesign to the rear end structure of magnetic force self priming pump, promoted the bulk strength of magnetic force self priming pump rear end.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a back lid structure among magnetic force self priming pump which characterized in that: the rear sealing cover comprises a rear sealing cover (1), wherein the rear sealing cover (1) is provided with a disc-shaped main body (11), an opening structure (12) is arranged on one side of the disc-shaped main body (11), a groove (13) is formed in the middle of the opening structure (12), a water injection port (2) is formed in the outer circumferential surface of the disc-shaped main body (11), and the water injection port (2) is communicated with the opening structure (12) in the rear sealing cover (1);
a rear cover (3) is arranged on the end face of the other side of the disc-shaped main body (11);
an axle center (4) is arranged in the groove (13), the outer side end of the axle center (4) is positioned in the opening structure (12), and the inner side end of the axle center (4) is connected with the inner end face of the rear cover (3); an annular step (31) is arranged at the end part of the joint of the axle center (4) and the rear cover (3), and an abrasion-resistant sheet (5) is sleeved on the axle center (4) at the annular step (31).
2. The back cover structure of claim 1, wherein: the rear sealing cover (1) is connected with the rear cover (3) through an integrated structure.
3. The back cover structure of claim 1, wherein: the inner end face of the rear cover (3) is provided with a positioning groove (32), and the inner side end of the axle center (4) is positioned in the positioning groove (32).
4. The back cover structure of claim 1, wherein: and internal threads are formed on the inner side wall of the water injection port (2).
5. The back cover structure of claim 1, wherein: and a plurality of connecting holes (14) are formed along the inner side surface of the rear sealing cover (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021940305.8U CN213451000U (en) | 2020-09-08 | 2020-09-08 | Rear cover structure in magnetic self-priming pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021940305.8U CN213451000U (en) | 2020-09-08 | 2020-09-08 | Rear cover structure in magnetic self-priming pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213451000U true CN213451000U (en) | 2021-06-15 |
Family
ID=76321716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021940305.8U Active CN213451000U (en) | 2020-09-08 | 2020-09-08 | Rear cover structure in magnetic self-priming pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213451000U (en) |
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2020
- 2020-09-08 CN CN202021940305.8U patent/CN213451000U/en active Active
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