CN2802124Y - Sealing inner washing structure of double-entry mid-open pump - Google Patents
Sealing inner washing structure of double-entry mid-open pump Download PDFInfo
- Publication number
- CN2802124Y CN2802124Y CN 200420110225 CN200420110225U CN2802124Y CN 2802124 Y CN2802124 Y CN 2802124Y CN 200420110225 CN200420110225 CN 200420110225 CN 200420110225 U CN200420110225 U CN 200420110225U CN 2802124 Y CN2802124 Y CN 2802124Y
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- CN
- China
- Prior art keywords
- seal
- hole
- pump
- double suction
- pump cover
- 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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- Details Of Reciprocating Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a new-type sealing inner washing structure of a double suction center open pump, which belongs to design and manufacture in the pump industry, particularly the technical field of the structural design of double suction center open pumps. The utility model overcomes the phenomena that a complicated outer washing structure influences the compactness and the beauty of an external appearance, and sealing leakage often occurs. A water tank is cast on the center split surface of a pump cover 1 from the high pressure area of the pump cover 1 to the point of a sealed body, and high pressure water is led to the sealed body 2 and enters a sealed cavity by half through drilling holes arranged on the sealed body. Consequently, the roles of washing and cooling are played for a machine seal or a packing seal.
Description
Technical field
Belong to pump and already manufacture and design, particularly the technical field of double suction middle-opening pump structural design.
Background technique
Existing double suction middle-opening pump is sealflushed structure two kinds: a kind of is outer flushing structure, and this structure is to pass through externally connected pipe pass high pressure water to seal at the top of pump cover.Another kind is interior flushing mechanism, and this structure is at pump cover and seal direct casting inclined hole high pressure water to be guided in the Seal cage respectively.Sealing, the flushing line of outer flushing structure is loaded down with trivial details and influence the compact aesthetic property of outward appearance, the seal leak phenomenon also often occurs.Interior flushing mechanism is to cast out an inclined hole on pump cover and seal, because the casting inclined hole is longer, has increased the difficulty of casting, and two inclined holes can not finely align, and makes high pressure water not introduce fully in the seal, has a strong impact on cooling, sealing, developing result.
Goal of the invention
The purpose of this patent is to disclose the interior flushing mechanism of a kind of novel sealing to solve more above-mentioned shortcomings.The novel technology contents of this use is opened in pump cover 1 on the face and is cast out a tank from the pump cover zone of high pressure to adorning seal, high pressure water is caused seal 2, half logical boring on seal enters Seal cage, plays machine envelope or gland sealed flushing or cooling action.When adopting mechanical seal, bore half through hole 2.1 and half through hole 2.2 on the seal 2, hole 2.2 faces the dynamic and static ring fastness of mechanical seal, when adopting packing seal, bore half through hole 2.1 and half through hole 2.4 on the seal 2, hole 2.4 faces the packing ring of Seal cage bottom.Effect of the present utility model is owing to be to place the inside of pump sealflushing water channel through structural design cleverly, removed loaded down with trivial details external pipeline, the compact overall structure of pump and attractive in appearance, not only convenient for users to use, and make and sealflush more directly effectively.
Description of drawings
Accompanying drawing 1 is a double suction middle-opening pump axial section schematic representation.
Accompanying drawing 2 is plan view and worm's eye views of the pump cover of double suction middle-opening pump.
Accompanying drawing 3 is seal axial view and axial B-B sectional drawings of the mechanical seal mode of double suction middle-opening pump
Accompanying drawing 4 is seal axial view and axial B-B sectional drawings of the packing seal mode of double suction middle-opening pump.
Among the figure: half through hole 2.1 of pump cover 1, hyperbaric chamber 1.1, tank 1.2, crescent 1.3, seal 2, seal 2, half through hole 2.2 of seal 2, half through hole 2.4 of seal 2, Seal cage 2.3.
Embodiment:
In pump cover 1, open on the face dress seal from hyperbaric chamber 1.1 to pump cover, form the tank 1.2 that diameter is 8～14mm along path casting recently, and on pump cover the dress seal place crescent shape tank 1.3 that to cast out a width be 8～14mm, this crescent shape tank 1.3 and tank 1.2 UNICOMs.
When pump operation adopts mechanical seal, after high pressure water in the hyperbaric chamber 1.1 of pump cover 1 enters tank 1.2, enter to turn to behind half through hole 2.1 that crescent 1.3 enters seal 2 again and enter half through hole 2.2, thereby arrive Seal cage 2.3, to the mechanical seal in the Seal cage wash, lubricated.
When pump operation adopts packing seal, after the high pressure water in the hyperbaric chamber 1.1 of the pump housing 1 enters tank 1.2, enter crescent 1.3 again, after entering half through hole 2.1 of seal 2 again, turn to enter half through hole 2.4, thereby arrive Seal cage 2.3, the packing seal in the Seal cage is washed, lubricated.
When adopting mechanical seal, bore the dynamic and static ring fastness that half through hole 2.1 and half through hole, 2.2, half through holes 2.2 face mechanical seal on the seal 2, when adopting packing seal, bore the packing ring that half through hole 2.1 and half through hole, 2.4, half through holes 2.4 face the Seal cage bottom on the seal 2.
Claims (2)
1. flushing mechanism in a kind of new-type sealing of a double suction middle-opening pump is characterized in that opening in pump cover (1) on the face and casts out a tank (1.2) UNICOM's crescent (1.3) from pump cover hyperbaric chamber (1.1) to seal (2); Get out half through hole (2.1), (2.2) on the seal (2) or on seal (2), getting out half through hole (2.1), (2.4); Crescent (1.3) UNICOM's half through hole (2.1).
2. flushing mechanism in a kind of new-type sealing of a kind of double suction middle-opening pump as claimed in claim 1, it is characterized in that when the double suction middle-opening pump adopts mechanical seal, seal (2) is gone up and is bored half through hole (2.1) and half through hole (2.2), and half through hole (2.2) faces the dynamic and static ring fastness in mechanical seal chamber (2.3); When the double suction middle-opening pump adopted packing seal, seal (2) was gone up and is bored half through hole (2.1) and half through hole (2.4), and half through hole (2.4) faces the packing ring of Seal cage (2.3) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420110225 CN2802124Y (en) | 2004-11-24 | 2004-11-24 | Sealing inner washing structure of double-entry mid-open pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420110225 CN2802124Y (en) | 2004-11-24 | 2004-11-24 | Sealing inner washing structure of double-entry mid-open pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2802124Y true CN2802124Y (en) | 2006-08-02 |
Family
ID=36846832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420110225 Expired - Fee Related CN2802124Y (en) | 2004-11-24 | 2004-11-24 | Sealing inner washing structure of double-entry mid-open pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2802124Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806311A (en) * | 2009-02-18 | 2010-08-18 | 株式会社久保田 | Pump and using method thereof |
| CN103629164A (en) * | 2012-08-29 | 2014-03-12 | 上海瑞邦机械集团有限公司 | Sealed inner flushing device for double-suction axially split pump |
| CN104005982A (en) * | 2013-02-27 | 2014-08-27 | 株式会社久保田 | Pump |
-
2004
- 2004-11-24 CN CN 200420110225 patent/CN2802124Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806311A (en) * | 2009-02-18 | 2010-08-18 | 株式会社久保田 | Pump and using method thereof |
| CN101806311B (en) * | 2009-02-18 | 2014-11-05 | 株式会社久保田 | Pump and using method thereof |
| CN104564824B (en) * | 2009-02-18 | 2017-04-12 | 株式会社久保田 | Pump and using method thereof |
| CN104500450B (en) * | 2009-02-18 | 2017-07-25 | 株式会社久保田 | The application method of pump and pump |
| CN103629164A (en) * | 2012-08-29 | 2014-03-12 | 上海瑞邦机械集团有限公司 | Sealed inner flushing device for double-suction axially split pump |
| CN104005982A (en) * | 2013-02-27 | 2014-08-27 | 株式会社久保田 | Pump |
| CN104005982B (en) * | 2013-02-27 | 2016-12-07 | 株式会社久保田 | Pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |