CN205207183U - Roots blower collection dress formula mechanical seal - Google Patents
Roots blower collection dress formula mechanical seal Download PDFInfo
- Publication number
- CN205207183U CN205207183U CN201520878126.9U CN201520878126U CN205207183U CN 205207183 U CN205207183 U CN 205207183U CN 201520878126 U CN201520878126 U CN 201520878126U CN 205207183 U CN205207183 U CN 205207183U
- Authority
- CN
- China
- Prior art keywords
- ring
- axle sleeve
- gland
- roots blower
- bonnet
- 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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- Mechanical Sealing (AREA)
Abstract
The utility model discloses a roots blower collection dress formula mechanical seal, belong to mechanical seal, its structure is including the back lid, the gland, quiet ring, the rotating ring, a spring, axle sleeve and rotating ring subassembly, the axle sleeve sets up on the transmission shaft of fan, the back lid and the outside of gland setting at the axle sleeve, through hookup bolted connection together, be provided with quiet ring respectively in the inner chamber of back lid and gland, through the stop pin hookup between quiet ring and back lid and the gland, be provided with the rotating ring respectively on the relative terminal surface of two quiet rings, link together through the rotating ring subassembly between two rotating rings, be provided with the spring in the inner chamber of rotating ring subassembly, push up respectively on the terminal surface of two rotating rings at the both ends of spring, be provided with the annular groove on the inner wall with transmission shaft contact complex axle sleeve, along radially being provided with coolant liquid import and cooling liquid exit on the cylindrical outer wall of back lid. The utility model has the characteristics of roots blower is sealed effectual when carrying dangerous gas or vapor, improves mechanical seal's installation effectiveness etc. Simultaneously.
Description
Technical field
The utility model relates to a kind of mechanical seal, especially a kind of Roots blower integrated mechanical sealing.
Background technique
Roots blower is a kind of typical displacement blower, general is all be used in air conveying, the requirement of air conveying to sealing is lower, sealing at blower fan wallboard place is mainly sealed by the ring that rises or labyrinth seal realizes, and when carrying particularity gas, the split type double mechanical seal of general employing seals in the market, but effect is not very good, require extremely strict to fitting operation, efficiency is not high, if misoperation directly causes the inefficacy of sealing surface.
Model utility content
Technical assignment of the present utility model provides a kind of Roots blower integrated mechanical sealing for above-mentioned deficiency of the prior art, this a kind of Roots blower integrated mechanical sealing has Roots blower good sealing effect when carrying dangerous gas or water vapour, improves the feature of the installation efficiency of mechanical seal simultaneously.
The utility model solves the technological scheme that its technical problem adopts: it comprises bonnet, gland, stationary ring, rotating ring, spring, axle sleeve and moving ring assembly, described axle sleeve is arranged on the transmission shaft of blower fan, the inwall of axle sleeve and the wall contacts of transmission shaft, bonnet and gland are separately positioned on the outside of axle sleeve, and linked together by attachment bolt between the two, described bonnet is arranged on the left side of gland, stationary ring is respectively arranged with in the inner chamber of bonnet and gland, stationary ring connects respectively by stop pin with between bonnet and gland, the end face that two stationary rings are relative is respectively arranged with rotating ring, linked together by moving ring assembly between two rotating rings, moving ring assembly is fixed on axle sleeve by fastening screw trip bolt, spring is provided with in the inner chamber of moving ring assembly, the two ends of spring peak on the end face of two rotating rings respectively, described is provided with annular groove on the inwall contacting the axle sleeve coordinated with transmission shaft, the cylindrical outer wall of bonnet is disposed radially cooling liquid inlet and cooling liquid outlet, cooling liquid inlet and cooling liquid outlet are in line and are arranged symmetrically with.
Described spring comprises multiple, becomes and is axially evenly arranged.
Described axle sleeve and the surface of contact of transmission shaft are provided with sleeve sealing circle, sleeve sealing circle and transmission shaft interference fit.
The described sleeve sealing circle be arranged between axle sleeve and transmission shaft is 2.
The outer peripheral surface of stationary ring is respectively arranged with stationary ring groove, in stationary ring groove, is provided with stationary ring seal ring.
Seal ring of moving ring is provided with between described rotating ring and axle sleeve.
Surface of contact between bonnet and gland is provided with bonnet seal ring.
Described sleeve sealing circle, stationary ring seal ring, O-ring seal and bonnet seal ring are respectively O-ring seals.
Described attachment bolt is socket head screw, and is multiple, and gland is circumferentially evenly arranged.
Described stationary ring and axle sleeve are respectively metalwork, and rotating ring is graphite piece.
Described axle sleeve is provided with maze trough, coordinates with bearing support, in bearing support, be provided with bearing.
Compared to the prior art a kind of Roots blower integrated mechanical sealing of the present utility model, has following outstanding beneficial effect: Roots blower is good sealing effect when carrying dangerous gas or water vapour, improves the installation efficiency of mechanical seal simultaneously; An entirety all installed into concentratedly by gland, bonnet, rotating ring, stationary ring, spring, and stationary ring end face coordinates with the end contact of rotating ring all the time and is adjacent to, and the relative stationary ring of rotating ring slides simultaneously, avoids the generation that fluid leaks; The setting of maze trough avoids the leakage of lubricant oil in fuel tank, also can be used as the positioning shaft sleeve of bearing simultaneously, integral installation on transmission shaft, avoid the secondary operations of positioning shaft sleeve, improve precision, by flowing through the cooling liquid of cooling liquid inlet/outlet, realize the cooling to mechanical seal, cooling liquid can be selected to be water or oil, for mechanical seal provides safeguard, solve the problem that existing Roots blower mechanical seal installation efficiency is low, ensure the safety and reliability of Roots blower machine oil, hermetic seal.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of front sectional view of Roots blower integrated mechanical sealing;
Accompanying drawing 2 is left TV structure schematic diagram of a kind of Roots blower integrated mechanical sealing;
Accompanying drawing 3 is that Roots blower integrated mechanical sealing coordinates schematic diagram with transmission shaft, bearing and bearing support;
Description of reference numerals: 1, bonnet, 2, gland, 3, stationary ring, 4, rotating ring, 5, spring, 6, axle sleeve, 7, moving ring assembly, 8, transmission shaft, 9, attachment bolt, 10, stop pin, 11, fastening screw trip bolt, 12, bearing, 13, annular groove, 14, cooling liquid inlet, 15, cooling liquid outlet, 16, sleeve sealing circle, 17, stationary ring groove, 18, stationary ring seal ring, 19, seal ring of moving ring, 20, bonnet seal ring, 21, maze trough, 22, bearing support.
Embodiment
With reference to Figure of description 1 to accompanying drawing 3, a kind of Roots blower integrated mechanical sealing of the present utility model is described in detail below.
A kind of Roots blower integrated mechanical sealing of the present utility model, its structure comprises bonnet 1, gland 2, stationary ring 3, rotating ring 4, spring 5, axle sleeve 6 and moving ring assembly 7, described axle sleeve 6 is arranged on the transmission shaft 8 of blower fan, the inwall of axle sleeve 6 and the wall contacts of transmission shaft 8, bonnet 1 and gland 2 are separately positioned on the outside of axle sleeve 6, and linked together by attachment bolt 9 between the two, described bonnet 1 is arranged on the left side of gland 2, stationary ring 3 is respectively arranged with in the inner chamber of bonnet 1 and gland 2, stationary ring 3 connects respectively by stop pin 10 with between bonnet 1 and gland 2, the end face that two stationary rings 3 are relative is respectively arranged with rotating ring 4, the both ends of the surface of rotating ring 4 contact with two stationary rings 3 respectively, linked together by moving ring assembly 7 between two rotating rings 4, moving ring assembly 7 is fixed on axle sleeve 6 by fastening screw trip bolt 11, moving ring assembly 7 can rotate relative to stationary ring 3, spring 5 is provided with in the inner chamber of moving ring assembly 7, the two ends of spring 5 peak on the end face of two rotating rings 4 respectively, make rotating ring 4 and stationary ring 3 close contact, automatically the junction plane between rotating ring 4 and stationary ring 3 is adjusted when rotating ring 4 rotates with axle sleeve 6 simultaneously, prevent the leakage of gas, described is provided with annular groove 13 on the inwall contacting the axle sleeve 6 coordinated with transmission shaft 8, the cylindrical outer wall of bonnet 1 is disposed radially cooling liquid inlet 14 and cooling liquid outlet 15, cooling liquid inlet 14 and cooling liquid outlet 15 are in line and are arranged symmetrically with, be more conducive to the cooling of mechanical seal.
Described spring 12 comprises multiple, becomes and is axially evenly arranged.
Described axle sleeve 6 and the surface of contact of transmission shaft 8 are provided with sleeve sealing circle 16, and sleeve sealing circle 16 and transmission shaft 8 interference fit, to ensure sealing effect.
The described sleeve sealing circle 16 be arranged between axle sleeve 6 and transmission shaft 8 is 2.
For ensureing stationary ring 3 and good seal between bonnet 1 and gland 2, the outer peripheral surface of stationary ring 3 being respectively arranged with stationary ring groove 17, in stationary ring groove 17, being provided with stationary ring seal ring 18.
For preventing the leakage of gas, between rotating ring 4 and axle sleeve 6, be provided with seal ring of moving ring 19.
For ensureing good seal between bonnet 1 and gland 2, the surface of contact between bonnet 1 and gland 2 is provided with bonnet seal ring 20.
Described sleeve sealing circle 16, stationary ring seal ring 18, O-ring seal 19 and bonnet seal ring 20 are respectively O-ring seals.
Described attachment bolt 9 is socket head screw, and is multiple, and gland 2 is circumferentially evenly arranged.To realize the tight joint of bonnet 1 and gland 2.
Described stationary ring 3 and axle sleeve 6 are respectively metalwork, and rotating ring 4 is made for graphite piece high-abrasive material.
Described axle sleeve 6 is provided with maze trough 21, coordinates with bearing support 22, prevent oil leak, in bearing support 22, be provided with bearing 12.
During work under the elastic force effect of hydrodynamic pressure and spring 12, rotating ring 4 end face coordinates with the end contact of stationary ring 3 all the time under spring force and is adjacent to, simultaneously rotating ring 4 relatively stationary ring 3 slide, avoid the generation that fluid leaks.
Cited above mode of execution is only for understanding the utility model; it is not the restriction to the technological scheme described by the utility model; the those of ordinary skill of related fields; on the basis of technological scheme described in claim; can also make multiple change or distortion, all equivalent changes or distortion all should be encompassed within claims of the present utility model.The utility model does not describe part in detail, is the known technology of those skilled in the art of the present technique.
Claims (10)
1. a Roots blower integrated mechanical sealing, it is characterized in that: comprise bonnet, gland, stationary ring, rotating ring, spring, axle sleeve and moving ring assembly, described axle sleeve is arranged on the transmission shaft of blower fan, the inwall of axle sleeve and the wall contacts of transmission shaft, bonnet and gland are separately positioned on the outside of axle sleeve, and linked together by attachment bolt between the two, described bonnet is arranged on the left side of gland, stationary ring is respectively arranged with in the inner chamber of bonnet and gland, stationary ring connects respectively by stop pin with between bonnet and gland, the end face that two stationary rings are relative is respectively arranged with rotating ring, linked together by moving ring assembly between two rotating rings, moving ring assembly is fixed on axle sleeve by fastening screw trip bolt, spring is provided with in the inner chamber of moving ring assembly, the two ends of spring peak on the end face of two rotating rings respectively, described is provided with annular groove on the inwall contacting the axle sleeve coordinated with transmission shaft, the cylindrical outer wall of bonnet is disposed radially cooling liquid inlet and cooling liquid outlet, cooling liquid inlet and cooling liquid outlet are in line and are arranged symmetrically with.
2. a kind of Roots blower integrated mechanical sealing according to claim 1, is characterized in that: described spring comprises multiple, becomes and is axially evenly arranged.
3. a kind of Roots blower integrated mechanical sealing according to claim 1, is characterized in that: described axle sleeve and the surface of contact of transmission shaft are provided with sleeve sealing circle, sleeve sealing circle and transmission shaft interference fit.
4. a kind of Roots blower integrated mechanical sealing according to claim 3, is characterized in that: the described sleeve sealing circle be arranged between axle sleeve and transmission shaft is 2.
5. a kind of Roots blower integrated mechanical sealing according to claim 1, is characterized in that: the outer peripheral surface of stationary ring is respectively arranged with stationary ring groove, is provided with stationary ring seal ring in stationary ring groove.
6. a kind of Roots blower integrated mechanical sealing according to claim 1, is characterized in that: be provided with seal ring of moving ring between described rotating ring and axle sleeve.
7. a kind of Roots blower integrated mechanical sealing according to claim 1, is characterized in that: the surface of contact between bonnet and gland is provided with bonnet seal ring.
8. a kind of Roots blower integrated mechanical sealing according to claim 1, is characterized in that: described attachment bolt is socket head screw, and is multiple, gland is circumferentially evenly arranged.
9. a kind of Roots blower integrated mechanical sealing according to claim 1, is characterized in that: described stationary ring and axle sleeve are respectively metalwork, and rotating ring is graphite piece.
10. a kind of Roots blower integrated mechanical sealing according to claim 1, is characterized in that: described axle sleeve is provided with maze trough, coordinates with bearing support, be provided with bearing in bearing support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520878126.9U CN205207183U (en) | 2015-11-05 | 2015-11-05 | Roots blower collection dress formula mechanical seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520878126.9U CN205207183U (en) | 2015-11-05 | 2015-11-05 | Roots blower collection dress formula mechanical seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205207183U true CN205207183U (en) | 2016-05-04 |
Family
ID=55844906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520878126.9U Expired - Fee Related CN205207183U (en) | 2015-11-05 | 2015-11-05 | Roots blower collection dress formula mechanical seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205207183U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221427A (en) * | 2015-11-05 | 2016-01-06 | 山东三牛机械有限公司 | A kind of Roots blower integrated mechanical sealing |
| CN108240334A (en) * | 2016-12-26 | 2018-07-03 | 江苏优纳特机械有限公司 | A kind of novel No leakage roots blower sealing device |
| CN113819239A (en) * | 2021-09-09 | 2021-12-21 | 乔丹 | Combined sealing system of cold air fan |
-
2015
- 2015-11-05 CN CN201520878126.9U patent/CN205207183U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221427A (en) * | 2015-11-05 | 2016-01-06 | 山东三牛机械有限公司 | A kind of Roots blower integrated mechanical sealing |
| CN108240334A (en) * | 2016-12-26 | 2018-07-03 | 江苏优纳特机械有限公司 | A kind of novel No leakage roots blower sealing device |
| CN113819239A (en) * | 2021-09-09 | 2021-12-21 | 乔丹 | Combined sealing system of cold air fan |
| CN113819239B (en) * | 2021-09-09 | 2023-08-29 | 湖北双剑鼓风机股份有限公司 | Combined sealing system of air conditioner and fan |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20211105 |