CN202468435U - Submersible sewage pump - Google Patents
Submersible sewage pump Download PDFInfo
- Publication number
- CN202468435U CN202468435U CN2012200084183U CN201220008418U CN202468435U CN 202468435 U CN202468435 U CN 202468435U CN 2012200084183 U CN2012200084183 U CN 2012200084183U CN 201220008418 U CN201220008418 U CN 201220008418U CN 202468435 U CN202468435 U CN 202468435U
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- CN
- China
- Prior art keywords
- bearing support
- base
- mechanical sealing
- casing
- motor
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a submersible sewage pump which comprises a housing (1). An motor (2) is arranged in the housing (1), the upper end of a rotary axle (3) of the motor (2) is connected with the top of the housing (1), the lower end of the rotary axle (3) sequentially penetrates a bearing base (4) and a mechanical sealing base (5) and then is fixedly connected with an impeller (6), the bearing base (5) is fixedly arranged on the lower side of the housing (1), a volute (7) is arranged on the lower side of the bearing base (4), a base (8) is imbedded on the inner side of the lower end of the volute (7), the bearing base (4) and the mechanical sealing base (5) form an enclosed sealing chamber (9), a mechanical sealing device (10) is arranged in the sealing chamber (9), and both ends of the mechanical sealing device(10) are respectively embedded in the end surfaces of the bearing base (4) and the mechanical sealing base (5). The submersible sewage pump has the advantages of good sealing performance, small size and low cost.
Description
Technical field
The utility model relates to mechanical equipment technical field, specifically a kind of proof submersible sand discharging pump.
Background technique
At present domestic existing proof submersible sand discharging pump adopts standard electromotor, and the external diameter of motor is bigger, and other supporting with it element size is also relatively large, and machine volume is big and heavy, has caused the increase of materials consumption and cost.Undermine the life-span of proof submersible sand discharging pump simultaneously owing to the easy water inlet of Seal cage, cause the increase of cost.
Summary of the invention
The purpose of the utility model is the defective to existing technology, and a kind of good airproof performance, body is more less and cost is low proof submersible sand discharging pump are provided.
The purpose of the utility model solves through following technological scheme:
A kind of proof submersible sand discharging pump comprises casing and motor, and motor is positioned at casing; The rotatingshaft upper end of motor links to each other with the top of casing, and the lower end of rotatingshaft is passed bearing support and mechanical sealing base and impeller successively and is fixedly linked, and bearing support is fixedly installed on the downside of casing; The downside of bearing support is provided with spiral case; The inboard, lower end of spiral case is equipped with base, and mechanical sealing base is fixedly installed on the downside of bearing support and is positioned at the upper inner of spiral case, and bearing support and mechanical sealing base constitute the Seal cage of a sealing; Be provided with mechanical seal device in the described Seal cage, the two ends of mechanical seal device are embedded at respectively in the end face of bearing support and mechanical sealing base.
The sidewall of described casing is provided with cable feedthrough.
Described bearing support is provided with protector for leakage, and the lower end of protector for leakage is positioned at Seal cage.
The utility model is compared existing technology has following advantage:
The utility model has further been guaranteed the sealability of pollution discharge pump Seal cage through the setting of double end-face mechanical sealing device, and the motor that adopts can make the volume-diminished about 20% of proof submersible sand discharging pump, when guaranteeing unit efficiency, has reduced cost of production; And have simple in structure, practical characteristics, suit to promote the use of.
Description of drawings
Accompanying drawing 1 is the structural representation of the utility model.
Wherein: 1-casing; 2-motor; 3-rotatingshaft; 4-bearing support; 5-mechanical sealing base; 6-impeller; 7-spiral case; 8-base; 9-Seal cage; 10-mechanical seal device; 11-cable feedthrough; 12-protector for leakage.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
As shown in Figure 1: a kind of proof submersible sand discharging pump; Comprise casing 1 and motor 2, motor 2 is positioned at casing 1, and rotatingshaft 3 upper ends of motor 2 link to each other with the top of casing 1; The lower end of rotatingshaft 3 is passed bearing support 4 successively and is fixedly linked with mechanical sealing base 5 and impeller 6; Bearing support 4 is fixedly installed on the downside of casing 1, and the downside of bearing support 4 is provided with spiral case 7, and the inboard, lower end of spiral case 7 is equipped with base 8; Mechanical sealing base 5 is fixedly installed on the downside of bearing support 4 and is positioned at the upper inner of spiral case 7; The Seal cage 9 of a bearing support 4 and a sealing of mechanical sealing base 5 formations is provided with the mechanical seal device 10 that is positioned at rotatingshaft 3 outsides in Seal cage 9, the two ends of mechanical seal device 10 are embedded at respectively in the end face of bearing support 4 and mechanical sealing base 5; The sealability of pollution discharge pump Seal cage 9 has further been guaranteed in the setting of this kind double end-face mechanical sealing device 10; On bearing support 4, be provided with protector for leakage 12 in addition, the lower end of protector for leakage 12 is positioned at Seal cage 9, and protector for leakage 12 can be reported to the police to the equipment water inlet phenomenon that possibly occur.On the sidewall of casing 1, also be provided with cable feedthrough 11, the diving cable links to each other with motor 2 through cable feedthrough 11.
The sealability of pollution discharge pump Seal cage 9 has further been guaranteed in the setting of the utility model through double end-face mechanical sealing device 10, and the motor 2 that adopts can make the volume-diminished about 20% of proof submersible sand discharging pump, when guaranteeing unit efficiency, has reduced cost of production; And have simple in structure, practical characteristics, suit to promote the use of.
The technology that the utility model does not relate to all can realize through existing technology.
Claims (3)
1. proof submersible sand discharging pump; Comprise casing (1) and motor (2); Motor (2) is positioned at casing (1); Rotatingshaft (3) upper end of motor (2) links to each other with the top of casing (1), and the lower end of rotatingshaft (3) passes bearing support (4) successively and mechanical sealing base (5) is fixedly linked with impeller (6), and bearing support (4) is fixedly installed on the downside of casing (1); The downside of bearing support (4) is provided with spiral case (7); The inboard, lower end of spiral case (7) is equipped with base (8), and mechanical sealing base (5) is fixedly installed on the downside of bearing support (4) and is positioned at the upper inner of spiral case (7), and bearing support (4) and mechanical sealing base (5) constitute the Seal cage (9) of a sealing; It is characterized in that being provided with in the described Seal cage (9) mechanical seal device (10), the two ends of mechanical seal device (10) are embedded at respectively in the end face of bearing support (4) and mechanical sealing base (5).
2. proof submersible sand discharging pump according to claim 1 is characterized in that the sidewall of described casing (1) is provided with cable feedthrough (11).
3. proof submersible sand discharging pump according to claim 1 is characterized in that described bearing support (4) is provided with protector for leakage (12), and the lower end of protector for leakage (12) is positioned at Seal cage (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200084183U CN202468435U (en) | 2012-01-10 | 2012-01-10 | Submersible sewage pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200084183U CN202468435U (en) | 2012-01-10 | 2012-01-10 | Submersible sewage pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202468435U true CN202468435U (en) | 2012-10-03 |
Family
ID=46916595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200084183U Expired - Fee Related CN202468435U (en) | 2012-01-10 | 2012-01-10 | Submersible sewage pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202468435U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401980A (en) * | 2015-03-30 | 2017-02-15 | 株式会社久保田 | Pump and assemble method of pump |
-
2012
- 2012-01-10 CN CN2012200084183U patent/CN202468435U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401980A (en) * | 2015-03-30 | 2017-02-15 | 株式会社久保田 | Pump and assemble method of pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20180110 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |