CN216518840U - Pump cover with double sealing structure for submersible pump - Google Patents
Pump cover with double sealing structure for submersible pump Download PDFInfo
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- CN216518840U CN216518840U CN202122986508.1U CN202122986508U CN216518840U CN 216518840 U CN216518840 U CN 216518840U CN 202122986508 U CN202122986508 U CN 202122986508U CN 216518840 U CN216518840 U CN 216518840U
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Abstract
The utility model relates to the technical field of pump covers, in particular to a pump cover with a double-sealing structure for a submersible pump, which comprises a pump cover main body, wherein the middle part of the upper end of the pump cover main body is provided with a counter bore, the lower end of the pump cover main body is provided with four groups of through holes at equal angles, the bottom of the pump cover main body is provided with a sealing gasket, and the pump cover main body is provided with a sealing mechanism with fastening and sealing functions; along with the rotation of bolt, whole pump cover descends slowly, until the rubber column extends into the immersible pump internal, the sealed pad laminating immersible pump port portion of body simultaneously, then continue to rotate the bolt, along with the continuation rotation of bolt, the bolt drives the support, the support is perpendicular downstream under the cooperation effect of slide bar and upright bearing, the support passes through the guide pillar and promotes the extrusion post, along with the extrusion post removes, because the extrusion post external diameter will be greater than the internal diameter of guiding hole, the rubber column will the inflation deformation this moment, the outer lane of inflation deformation's rubber column will extrude the inner wall of immersible pump port portion of body to form airtight space between extrusion post and the immersible pump port portion inner wall.
Description
Technical Field
The utility model relates to the technical field of pump covers, in particular to a pump cover with a double-sealing structure for a submersible pump.
Background
The submersible pump can pump liquid from a container, a vertical shaft, a space in a building and the like, and is widely applied to domestic water, mine emergency, industrial cooling, farmland irrigation, seawater lifting and steamships.
The existing upper cover is additionally provided with a sealing gasket, so that the sealing property between the upper cover and a pump body is enhanced, the submersible pump works underwater for a long time, the sealing gasket is corroded by water for a long time and is easy to corrode, the sealing property between the cover and the pump body is weakened, and therefore, the long-term operation of the submersible pump cannot be guaranteed due to the fact that the sealing gasket is tightly abutted against the sealing gasket.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a pump cover with a double-sealing structure for a submersible pump, so as to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a pump cover with a double-sealing structure for a submersible pump comprises a pump cover main body, wherein a countersunk hole is formed in the middle of the upper end of the pump cover main body, four groups of through holes are formed in the lower end of the pump cover main body at equal angles, a sealing gasket is arranged at the bottom of the pump cover main body, and a sealing mechanism with fastening and sealing functions is arranged on the pump cover main body;
the sealing mechanism comprises a fastening support, the fastening support is connected with a guide pillar, a sealing ring is sleeved on one end of the guide pillar, the other end of the guide pillar is fixedly connected with an extrusion column, a rubber column is sleeved on the extrusion column, and a guide hole is arranged in the rubber column.
Preferably, the fastening support comprises a support, the middle of the support is fixedly connected with a guide pillar, two groups of bolts are symmetrically arranged at two ends of the support, and two groups of sliding rods are symmetrically arranged at two sides of each bolt.
Preferably, the outer diameter of the rubber column is equal to the inner diameter of the pump cover main body, and the rubber column is fixedly connected with the inner cavity of the pump cover main body.
Preferably, the guide post is slidably connected with the countersunk hole, and the sealing gasket is fixedly connected with the bottom of the pump cover main body.
Preferably, the rubber column is slidably connected to the guide hole, and the outer diameter of the rubber column is equal to the inner diameter of the submersible pump body.
Preferably, the bolt passes through a group of through holes, and the bearing is arranged on the bolt and embedded into the bracket.
Preferably, the upright bearing is arranged on the sliding rod and embedded into the support, and one end of the sliding rod is fixedly connected with the pump cover main body.
Compared with the prior art, the utility model has the beneficial effects that:
1. simultaneously, two groups of bolts are rotated, the whole pump cover slowly descends along with the rotation of the bolts until the rubber column extends into the submersible pump body, the sealing gasket is attached to the end opening part of the submersible pump body, then the bolts are continuously rotated, the bolts drive the support, the support vertically moves downwards under the matching action of the sliding rod and the vertical bearing, the support pushes the extrusion column through the guide pillar, the extrusion column moves along with the extrusion column, the rubber column expands and deforms at the moment because the outer diameter of the extrusion column is larger than the inner diameter of the guide hole, and the outer ring of the rubber column which expands and deforms extrudes the inner wall of the end opening part of the submersible pump body, so that a closed space is formed between the extrusion column and the inner wall of the end opening part of the submersible pump body;
2. the support will extrude the pump cover main part, makes the gasket extruded between pump cover main part and immersible pump body port part to realize double sealing between messenger's pump cover and the pump cover main part, consequently through sealing mechanism's settlement, make the leakproofness between pump cover and the pump cover main part stronger, sealing mechanism simple structure easily operates simultaneously, the workman of being convenient for is to the installation and the dismantlement of pump cover.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the structure of the present invention.
In the figure: 1. a pump cover main body; 2. a countersunk hole; 3. a through hole; 4. a gasket; 5. a sealing mechanism; 501. fastening a bracket; 502. a seal ring; 503. a guide post; 504. extruding the column; 505. a rubber column; 506. a guide hole; 5051. a support; 5052. a bolt; 5053. a slide bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 2, the present invention provides a technical solution: a pump cover with a double-sealing structure for a submersible pump comprises a pump cover main body 1, wherein a countersunk hole 2 is formed in the middle of the upper end of the pump cover main body 1, four groups of through holes 3 are formed in the lower end of the pump cover main body 1 at equal angles, a sealing gasket 4 is arranged at the bottom of the pump cover main body 1, and a sealing mechanism 5 with fastening and sealing functions is arranged on the pump cover main body 1; the sealing mechanism 5 comprises a fastening support 501, the fastening support 501 is connected with a guide post 503, one end of the guide post 503 is sleeved with a sealing ring 502, the other end of the guide post 503 is fixedly connected with an extrusion column 504, a rubber column 505 is sleeved on the extrusion column 504, a guide hole 506 is arranged in the rubber column 505, the fastening support 501 comprises a support 5051, the middle of the support 5051 is fixedly connected with the guide post 503, two groups of bolts 5052 are symmetrically arranged at two ends of the support 5051, two groups of sliding rods 5053 are symmetrically arranged at two sides of the bolts 5052, the outer diameter of the rubber column 505 is equal to the inner diameter of the pump cover main body 1, the rubber column 505 is fixedly connected with the inner cavity of the pump cover main body 1, the guide post 503 is slidably connected with a countersunk hole 2, a sealing gasket 4 is fixedly connected with the bottom of the pump cover main body 1, the rubber column 505 is slidably connected with the guide hole 506, the outer diameter of the rubber column 505 is equal to the inner diameter of a submersible pump body, the bolts 5052 penetrate through a group of through holes 3, a bearing is arranged on the bolt 5052, the bearing is embedded in the support 5051, a straight bearing is arranged on the sliding rod 3, the upright bearing is embedded into a bracket 5051, one end of a sliding rod 5053 is fixedly connected with a pump cover main body 1, a sealing gasket 4 mainly adopts asbestos fiber and rubber as raw materials, the sealing gasket 4 is adhered to the bottom of the pump cover main body 1 through glue, a rubber column 505 mainly adopts rubber as raw materials, the rubber column 505 is flexible and elastic, the inner diameter of a guide hole 506 is different, the outer diameter of a squeezing column 504 is equal to the maximum inner diameter of the guide hole 506, when the pump cover needs to be installed, two groups of bolts 5052 are aligned to two groups of threaded holes of an end opening part of the submersible pump body, then the two groups of bolts 5052 are rotated simultaneously, the whole pump cover slowly descends along with the rotation of the bolts 5052 until the rubber column 505 extends into the submersible pump body, the sealing gasket 4 is attached to the end opening part of the submersible pump body, then the bolts 5052 are continuously rotated, the bolts 5052 drive the bracket 5051 under the matching action of the sliding rod 5053 and the upright bearing, the bracket 5051 vertically downwards moves, the support 5051 pushes the extrusion column 504 through the guide post 503, the extrusion column 504 moves along with the extrusion column 504, because the outer diameter of the extrusion column 504 is larger than the inner diameter of the guide hole 506, at the moment, the rubber column 505 will expand and deform, the outer ring of the expanded and deformed rubber column 505 will extrude the inner wall of the end opening part of the submersible pump, so that a closed space is formed between the extrusion column 504 and the inner wall of the end opening part of the submersible pump, then the support 5051 will extrude the pump cover main body 1, so that the sealing gasket 4 is extruded between the pump cover main body 1 and the end opening part of the submersible pump, and double sealing between the pump cover and the pump cover main body 1 is realized, therefore, through setting of the sealing mechanism 5, the sealing performance between the pump cover and the pump cover main body 1 is stronger, and meanwhile, the sealing mechanism 5 is simple and easy to operate, and is convenient for workers to install and detach the pump cover.
The working principle is as follows: in the use process, when a pump cover needs to be installed, two groups of bolts 5052 are aligned to two groups of threaded holes in the end opening portion of the submersible pump body, then the two groups of bolts 5052 are rotated simultaneously, the whole pump cover slowly descends along with the rotation of the bolts 5052 until the rubber column 505 extends into the submersible pump body, meanwhile, the sealing gasket 4 is attached to the end opening portion of the submersible pump body, then the bolts 5052 are rotated continuously, the bolts 5052 drive the support 5051 along with the continuous rotation of the bolts 5052, the support 5051 vertically moves downwards under the matching effect of the sliding rod 5053 and the vertical bearing, the support 5051 pushes the extrusion column 504 through the guide pillar 503, and the support 5051 extrudes the pump cover main body 1 to enable the sealing gasket 4 to be extruded between the pump cover main body 1 and the end opening portion of the submersible pump body.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a submersible pump is with pump cover that has dual seal structure, includes pump cover main part (1), pump cover main part (1) upper end middle part sets up counter bore (2), and angle such as pump cover main part (1) lower extreme sets up four group's through-holes (3), and pump cover main part (1) bottom sets up sealed pad (4), its characterized in that: the pump cover main body (1) is provided with a sealing mechanism (5) with fastening and sealing functions;
the sealing mechanism (5) comprises a fastening support (501), the fastening support (501) is connected with a guide pillar (503), one end of the guide pillar (503) is sleeved with a sealing ring (502), the other end of the guide pillar (503) is fixedly connected with an extrusion pillar (504), the extrusion pillar (504) is sleeved with a rubber pillar (505), and a guide hole (506) is arranged in the rubber pillar (505).
2. A pump cover with a double seal structure for a submersible pump according to claim 1, characterized in that: the fastening support (501) comprises a support (5051), the middle of the support (5051) is fixedly connected with a guide column (503), two groups of bolts (5052) are symmetrically arranged at two ends of the support (5051), and two groups of sliding rods (5053) are symmetrically arranged at two sides of each bolt (5052).
3. A pump cover with a double seal structure for a submersible pump according to claim 1, characterized in that: the outer diameter of the rubber column (505) is equal to the inner diameter of the pump cover main body (1), and the rubber column (505) is fixedly connected with the inner cavity of the pump cover main body (1).
4. A pump cover with a double seal structure for a submersible pump according to claim 1, characterized in that: the guide post (503) is connected with the counter sink (2) in a sliding mode, and the sealing gasket (4) is fixedly connected with the bottom of the pump cover main body (1).
5. A pump cover with a double seal structure for a submersible pump according to claim 1, characterized in that: the rubber column (505) is slidably connected with the guide hole (506), and the outer diameter of the rubber column (505) is equal to the inner diameter of the submersible pump body.
6. A pump cover with a double seal structure for a submersible pump according to claim 2, characterized in that: the bolt (5052) penetrates through a group of the through holes (3), a bearing is arranged on the bolt (5052), and the bearing is embedded into the support (5051).
7. A pump cover with a double seal structure for a submersible pump according to claim 2, characterized in that: the sliding rod (5053) is provided with an upright bearing, the upright bearing is embedded into the support (5051), and one end of the sliding rod (5053) is fixedly connected with the pump cover main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122986508.1U CN216518840U (en) | 2021-12-01 | 2021-12-01 | Pump cover with double sealing structure for submersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122986508.1U CN216518840U (en) | 2021-12-01 | 2021-12-01 | Pump cover with double sealing structure for submersible pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216518840U true CN216518840U (en) | 2022-05-13 |
Family
ID=81465631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122986508.1U Active CN216518840U (en) | 2021-12-01 | 2021-12-01 | Pump cover with double sealing structure for submersible pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216518840U (en) |
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2021
- 2021-12-01 CN CN202122986508.1U patent/CN216518840U/en active Active
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