CN2725589Y - Shaft seal device of water sealed type pump - Google Patents
Shaft seal device of water sealed type pump Download PDFInfo
- Publication number
- CN2725589Y CN2725589Y CN 200420093331 CN200420093331U CN2725589Y CN 2725589 Y CN2725589 Y CN 2725589Y CN 200420093331 CN200420093331 CN 200420093331 CN 200420093331 U CN200420093331 U CN 200420093331U CN 2725589 Y CN2725589 Y CN 2725589Y
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- CN
- China
- Prior art keywords
- pump
- grease
- shaft
- seal device
- pipe body
- 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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- Sealing Devices (AREA)
Abstract
The utility model relates to a shaft seal device of a water seal type pump. The utility model is provided with a pipe body; a shaft is arranged in the pipe body, oil seals are arranged between both ends of the inner wall of the pipe body and the shaft, a chamber is formed by the shaft and the inner wall of the pipe body and is positioned between the two oil seals, and the peripheral wall of the pipe body is provided with an oil hole and an air hole which are communicated with the chamber respectively. The pipe body is fixed on a bracket, grease (grease) is arranged in the chamber, and the grease is coated on the outer side of the shaft, so no interstice is arranged between the pipe body and the shaft. When the pump runs, the grease can prevent liquid from exuding out of the pump; besides, the grease can provide the effect of shaft lubrication to enable the operation of the shaft to be smoother.
Description
Technical field
The utility model is a kind of gland seal device of hydroseal (sand) pump, provides a kind of liquid of being extracted of preventing by oozing out in the pump, and can provide axle a lubricated shaft seal cover, when grease is exhausted, can repeats filling again and use.
Background technique
The rise of The modern industry, relatively many are applied to industrial big machinery and also arise at the historic moment, and in this type of machinery, have most its representativeness with water seal type vacuum pump, it can be applicable to paper pulp and paper-making industry, power plant, environment-protecting industrial, water and waste water treatment industry, sugar refinery, treating of wood industry, mining industry, grocery trade, production industry or the like.
Though water seal type vacuum pump can be used by aforesaid industry, but its topmost function is extracting gases or steam, for example: be used in paper pulp, water or aqueous processing procedures such as chemicals, therefore water seal type vacuum pump have shell, impeller, carriage, wind seat, bearing, bearing cap, liner ring, shaft seal cover, bearing support etc. assemble in regular turn become, and one run through aforesaid object in regular turn with composition water shaft type vacuum pump.
Because aforesaid pump is main is the extraction that utilizes eccentric liquid water ring formation vacuum and compression to handle steam or gas, therefore avoiding liquid is exactly a very important problem by oozing out in the pump, and the way of industry is to be provided with a shaft seal structure between carriage and bearing support, uses the liquid avoiding being extracted by oozing out in the pump.
The shaft seal structure of commonly using, please cooperate with reference to shown in the 4th figure, it has a plurality of insertion rings (40) and shaft seal cover (41), and each insertion ring (40) is for whole circle and have elasticity and compressible cubic bar, and this shaft seal cover (41) has a perforation (42) that can allow axle (50) penetrate.
When reality is used, insertion ring (40) and shaft seal cover (41) are installed between carriage (51) and the bearing support (52), and run through with one (50), when pump in when suction, by stopping of insertion ring (40), make that liquid can't be by oozing out in the pump, but the outflow that suitable liquid continuous not section must be arranged is with lubricated and heat radiation, and reduces friction temperature.
Though insertion ring (40) barrier liquid by oozing out in a large number in the pump, insertion ring (40) has plurality of interfaces on it, and be installed with wear-resisting cloth thereon, make it form one and omit tool elasticity and compressible cubic bar, and the cloth that this insertion ring (40) is twined is after process turns round a period of time, will produce the situation of abrasion, locate so liquid will arrive shaft seal cover (41) by the insertion ring (40) that is worn away.
Yet the purposes of shaft seal cover (41) is compression gaskets circle (40) constantly, make it keep an amount of water to flow out, the function of this outflow water is to make the heat that axle (50) is more smooth and easy when rotated and the reduction friction is produced, so when liquid is infiltrated by an end of shaft seal cover (41), the insertion ring that is worn away (40) can't stop this liquid, liquid will be oozed out by the other end of shaft seal cover (41), so causes the situation of the liquid spill of running in the vacuum pump, and pollutes external environment.
Comprehensive above institute says, the shaft seal structure of commonly using only has insertion ring (40) to there is no the function of complete leakproof, and after insertion ring (40) is worn away, the liquid that is positioned at pump will leak in a large number, therefore must constantly force mandrel capping (41) to prevent leak of liquid, the frequent insertion ring (40) that more renew of last then need is to reach the purpose of not leaking, yet if will not leak fully, then must use expensive mechanical shaft seal, this is that general user can't bear, therefore the shaft seal structure of commonly using still has locating of its inconvenience to the user.
The model utility content
The design people is because existing structure still has its shortcoming to exist on using, so redesign a kind of gland seal device, the structure of shaft seal cover is changed, and used the higher grease of toughness, make it reach function lubricated and leakproof simultaneously, be its purpose of design.
In order to reach aforesaid purpose of design, the design's technological means is to provide a kind of gland seal device of hydroseal (sand) pump, it has a body, be provided with axle in this body, between inboard wall of tube body two ends and axle, be provided with oil sealing or O type ring, between two oil sealings or O type ring, be formed with a room at axle and inboard wall of tube body and position, be respectively equipped with oilhole and the pore that communicates with room in the periphery wall of body.
In use, this body is to be fixed on the carriage, again that toughness is higher grease (Grease) is poured in the room by oilhole, and this grease will coat the outside of axle fully, make to there is no any gap between body and the axle, when pump turns round, grease will barrier liquid by oozing out in the pump, and this grease also can provide axle lubricated effect, and it is more smooth and easy to make that axle turns round.
Description of drawings
(1) accompanying drawing part
Fig. 1. be stereo appearance figure of the present utility model.
Fig. 2. be the sectional drawing that is provided with pump of the present utility model.
Fig. 3. be the part sectioned view that is provided with pump of the present utility model.
Fig. 4. be the part sectioned view of existing pump.
The assembly conventional letter
(10) body (11) perforation
(12) oilhole (13) pore
(14) hangers (141) fixed hole
(15) plug cock (16) pore
(20) oil sealing (21) oil sealing
(23) O type ring (30) axle
(31) carriage (32) room
(40) insertion ring (41) shaft seal cover
(42) perforation (50) axle
(51) carriage (52) bearing support
Embodiment
The utility model is a kind of gland seal device of hydroseal (sand) pump, please cooperate with reference to shown in Fig. 1 and 2, it has a hollow tube body (10), be formed with perforation (11) in it, locate to be provided with axle (30) in perforation (11), between body (10) inwall two ends and axle (30), be provided with oil sealing (20) (21), this oil sealing (20) (21) also can be O type ring, and between two oil sealings (20) (21), be formed with room (32) at axle (30) and body (10) inwall and position, periphery wall in body (10) is respectively equipped with the oilhole (12) and pore (13) that is through to inside, periphery wall in body (10) is formed with two hangers (14) in addition, this hangers (14) is provided with fixed hole (141), and the centre of body (10) periphery wall is arranged with an O type ring (23).
When reality is used, please cooperate with reference to shown in figure 2 and 3, utilizing fixed block to pass fixed hole (141) interfixes body (10) and carriage (31), and the grease that toughness is higher (Grease) is poured into by oilhole (12), the air that is positioned at this room (32) can be discharged by pore (13), therefore the grease that is poured into will be full of in this room (32), after grease is full of this room (32) fully, can clog oilhole (12) and pore (13) with a plug cock (15) and a vent plug (16) respectively, make grease to spill.
So when pump turned round, the liquid in the pump can be stopped by oil sealing (21) and the grease that is positioned at room (32), prevent that liquid from oozing out, therefore the liquid that is positioned at pump just can not ooze out into the pump outside, in addition, grease also can have lubricating functions, makes axle (30) more smooth when rotation.
In addition, after pump turns round a period of time, after the grease that is positioned at room (32) is consumed gradually, can by oilhole (12) grease be poured in the room (32) again, after making grease fill up room (32) once again, can use once again, so remove the step of renewal part from, and can reach reusable purpose again.
Even so in the operation process of pump, oil sealing (20) (21) is damaged by liquid institute's etch, and the high grease of toughness, because therefore liquid and the incompatible characteristic of grease can be able to bring into play its isolated effect.
Institute of comprehensive above institute says, the grease that the utility model poured into has barrier liquid and oozes out and the function of lubricating axle (30), and after long-term the use, after grease consumes gradually, only need to fill once again and get final product, therefore use excellent leakproof of the utlity model has of grease and lubricated effect and reusable, need not dismantle, so be one to have the model utility of practicability.
Claims (4)
1. the gland seal device of a hydroseal (sand) pump, it has a hollow tube body, be formed with perforation in it, be provided with axle in this perforation, between inboard wall of tube body two ends and axle, be provided with oil sealing, axle is formed with a room with the inwall of body and position between two oil sealings, be respectively equipped with oilhole and the pore that is through to inside in the periphery wall of body, and be provided with the grease of high slumpability in this room.
2. the gland seal device of hydroseal (sand) pump as claimed in claim 1 wherein is respectively equipped with the vent plug and the plug cock that can clog pore and oilhole in pore and the oilhole.
3. the gland seal device of hydroseal (sand) pump as claimed in claim 1 or 2, the periphery wall of its middle tube body is provided with two hangers, and this hangers is provided with fixed hole.
4. the gland seal device of hydroseal (sand) pump as claimed in claim 3, wherein oil sealing can be O type ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420093331 CN2725589Y (en) | 2004-09-01 | 2004-09-01 | Shaft seal device of water sealed type pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420093331 CN2725589Y (en) | 2004-09-01 | 2004-09-01 | Shaft seal device of water sealed type pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2725589Y true CN2725589Y (en) | 2005-09-14 |
Family
ID=35040308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420093331 Expired - Fee Related CN2725589Y (en) | 2004-09-01 | 2004-09-01 | Shaft seal device of water sealed type pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2725589Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762802A (en) * | 2017-01-11 | 2017-05-31 | 中铁工程装备集团有限公司 | Incline sinking machine shield body inside water plug and drainage system |
| CN108799190A (en) * | 2017-04-28 | 2018-11-13 | 株式会社荏原制作所 | Gland seal device cover and pump |
-
2004
- 2004-09-01 CN CN 200420093331 patent/CN2725589Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762802A (en) * | 2017-01-11 | 2017-05-31 | 中铁工程装备集团有限公司 | Incline sinking machine shield body inside water plug and drainage system |
| CN106762802B (en) * | 2017-01-11 | 2023-04-21 | 中铁工程装备集团有限公司 | Water pumping device and drainage system in shield body of inclined shaft heading machine |
| CN108799190A (en) * | 2017-04-28 | 2018-11-13 | 株式会社荏原制作所 | Gland seal device cover and 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 |