CN205047497U - Air cooling dry -type mechanical seal - Google Patents
Air cooling dry -type mechanical seal Download PDFInfo
- Publication number
- CN205047497U CN205047497U CN201520799916.8U CN201520799916U CN205047497U CN 205047497 U CN205047497 U CN 205047497U CN 201520799916 U CN201520799916 U CN 201520799916U CN 205047497 U CN205047497 U CN 205047497U
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- CN
- China
- Prior art keywords
- axle sleeve
- ring
- throw
- sealing
- out collar
- 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 an air cooling dry -type mechanical seal, including sealed axle sleeve, the sealed axle sleeve outside has set gradually rotating ring, quiet ring, throw -out collar, spring and spring holder along sealed axle sleeve axial, the rotating ring passes through trundle and the cooperation of sealed axle sleeve, spring holder compression spring can promote throw -out collar axial displacement, the throw -out collar is tight with quiet ring grip with the rotating ring, the contact surface in close contact with of rotating ring and quiet ring, the quiet ring sum throw -out collar outside still is provided with the seal receptacle, and it is fixed with the spring holder that the seal receptacle passes through the screw bolt and nut, leave the clearance of taking a breath between quiet ring, throw -out collar, spring holder and the axle sleeve, the air cooling groove is still left in the sealed axle sleeve outside, and the air cooling groove is through clearance and the exterior space intercommunication of taking a breath. The utility model discloses the heat -sink cooling is carried out to the mechanical seal ring to the air cooling structure, need not to provide water cooling system again, has reduced water cooling system's input, and the cost is reduced has practiced thrift the water resource, has reduced the pollution of outer sewer to the environment.
Description
Technical field
The utility model relates to a kind of mechanical seal, belongs to mechanical seal field, relates to a kind of air cooling dry-type mechanical sealing in particular.
Background technique
The mechanical seal of tradition Pulp pump class is for improving its operating conditions, and generally all need external circulating cooling sparge water, sparge water successively flows away, and greatly wastes water resources, adds user cost, and the outer row of sparge water also brings certain environmental pollution simultaneously.
Model utility content
The utility model overcomes the deficiencies in the prior art, provides a kind of air cooling dry-type mechanical sealing, solves mechanical seal in the past and adopts water-cooling heat-exchange, cause the problem that water resource waste, pollution and cost are high.
For solving above-mentioned technical problem, the utility model by the following technical solutions:
Air cooling dry-type mechanical sealing, comprise sealing axle sleeve, axially rotating ring is disposed with along sealing axle sleeve outside described sealing axle sleeve, stationary ring, throw-out collar, spring and spring seat, described rotating ring is coordinated with sealing axle sleeve by driving pin, described spring seat Compress Spring also can promote throw-out collar and move axially, stationary ring clamps by described throw-out collar and rotating ring, the surface of contact close contact of described rotating ring and stationary ring, also sealing seat is provided with outside described stationary ring and throw-out collar, sealing seat is fixed by screw bolt and nut and spring seat, described stationary ring, throw-out collar, ventilation gap is left between spring seat and sealing axle sleeve, Air flow groove is also left outside described sealing axle sleeve, Air flow groove is communicated with space outerpace by ventilation gap.
As first optimized project of the present utility model, be also provided with locating slot outside described sealing axle sleeve, be provided with positioning block in locating slot, positioning block is fixedly connected with spring seat by screw.
As second optimized project of the present utility model, the first seal ring is provided with inside described sealing axle sleeve, be provided with the second seal ring between described stationary ring and sealing seat, the side of described sealing seat is also provided with the 3rd seal ring, arranges with the 4th seal ring between described sealing axle sleeve and rotating ring.
As the 3rd optimized project of the present utility model, described rotating ring and stationary ring all adopt cemented carbide or pressureless sintering SIC to make.
Compared with prior art, the beneficial effects of the utility model are: the utility model carries out cooling by the air cooling structure that design is unique to mechanical seal ring, without the need to reoffering constituent, not only simplify structure, decrease the input of constituent, reduce cost, saved water resources, decrease the pollution of externally discharged waste water to environment.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model;
Label in figure is expressed as: 1, the first seal ring; 2, rotating ring; 3, stationary ring; 4, the second seal ring; 5, sealing seat; 6, nut; 7, bolt; 8, positioning block; 9, spring seat; 10, Air flow groove; 11, spring; 12, throw-out collar; 13, sealing axle sleeve; 14, the 3rd seal ring; 15, fixing bolt; 16, screw; 17, the 4th seal ring.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.Mode of execution of the present utility model includes but not limited to the following example.
Embodiment 1
Air cooling dry-type mechanical sealing as shown in Figure 1, comprise sealing axle sleeve 13, axially rotating ring 2 is disposed with along sealing axle sleeve 13 outside described sealing axle sleeve 13, stationary ring 3, throw-out collar 12, spring 11 and spring seat 9, described rotating ring 2 is coordinated with sealing axle sleeve 13 by driving pin, described spring seat 9 Compress Spring 11 also can promote throw-out collar 12 and move axially, stationary ring 3 clamps with rotating ring 2 by described throw-out collar 12, the surface of contact close contact of described rotating ring 2 and stationary ring 3, sealing seat 5 is also provided with outside described stationary ring 3 and throw-out collar 12, sealing seat 5 is fixed with spring seat 9 by bolt 7 and nut 6, described stationary ring 3, throw-out collar 12, ventilation gap is left between spring seat 9 and sealing axle sleeve 13, Air flow groove 10 is also left outside described sealing axle sleeve 13, Air flow groove 10 is communicated with space outerpace by ventilation gap.
Also be provided with locating slot outside described sealing axle sleeve 13, be provided with positioning block 8 in locating slot, positioning block 8 is fixedly connected with spring seat 9 by screw 16.
Be provided with the first seal ring 1 inside described sealing axle sleeve 13, be provided with the second seal ring 4 between described stationary ring 3 and sealing seat 5, the side of described sealing seat 5 is also provided with the 3rd seal ring 14, arranges with the 4th seal ring 17 between described sealing axle sleeve 13 and rotating ring 2.
Described rotating ring 2 and stationary ring 3 all adopt cemented carbide or pressureless sintering SIC to make.
The present embodiment is arranged on the pump housing by sealing seat 5 and fixing bolt when installing, and sealing axle sleeve 13 one end top is taken turns, and the other end top stripping ring, is fixed on sealing axle sleeve 13 on Pulp pump rotatingshaft.
During use, sealing axle sleeve 13 one end withstands on the impeller end face of Pulp pump, the other end withstands on the stripping ring of Pulp pump, sealing axle sleeve 13 two ends are held out against stuck, frictionally drives sealing axle sleeve 13 to rotate, sealing axle sleeve 13 to be coordinated with rotating ring 2 by driving pin and drives rotating ring 2 to rotate, spring seat 9 is fixed on sealing seat 5 by bolt 7 and nut 6, spring 11 is arranged on spring seat 9 and throw-out collar 12, coordinate with throw-out collar 12 to play stationary ring 3 and follow compensation sealing effect, play and follow compensation sealing effect, stationary ring 3 is contained on sealing seat 5 and keeps static; When sealing axle sleeve 13 rotates, under the drive that air in Air flow groove 10 rotates at sealing axle sleeve 13, self High Rotation Speed provides power, air flow at high speed in forced seal ring and Air flow groove 10, the air of Air flow groove 10 is taken away seal ring heat and is carried out heat exchange by ventilation gap and outside air in flowing, complete air heat-exchange, realize Air flow.
After the present embodiment adjusts throw-out collar 12, screw Compress Spring by bolt 7 and nut 6, by throw-out collar 12 axially locating, spring seat clamps location by positioning block 8, ensures throw-out collar 12 position.
The rotating ring 2 of the present embodiment forms complete sealing system jointly with the faying surface of stationary ring 3, the first seal ring 1, second seal ring 4, the 3rd seal ring 14 and the 4th seal ring 17, ensures the overall tightness of mechanical seal.
Finally, in the present embodiment, rotating ring 2 and stationary ring 3 all adopt cemented carbide or pressureless sintering SIC to make, and not only can strengthen the intensity of rotating ring 2 and stationary ring 3, both prolongations working life, also can improve the heat dissipation rate of the two simultaneously, improve the radiating efficiency of itself and air.
Be embodiment of the present utility model as mentioned above.The utility model is not limited to above-mentioned mode of execution, and anyone should learn the structural change made under enlightenment of the present utility model, and every have identical or close technological scheme with the utility model, all falls within protection domain of the present utility model.
Claims (4)
1. air cooling dry-type mechanical sealing, comprise sealing axle sleeve (13), it is characterized in that: described sealing axle sleeve (13) outside is axially disposed with rotating ring (2) along sealing axle sleeve (13), stationary ring (3), throw-out collar (12), spring (11) and spring seat (9), described rotating ring (2) is coordinated with sealing axle sleeve (13) by driving pin, described spring seat (9) Compress Spring (11) also can promote throw-out collar (12) and moves axially, stationary ring (3) clamps by described throw-out collar (12) and rotating ring (2), the surface of contact close contact of described rotating ring (2) and stationary ring (3), described stationary ring (3) and throw-out collar (12) outside are also provided with sealing seat (5), sealing seat (5) is fixed with spring seat (9) by bolt (7) and nut (6), described stationary ring (3), throw-out collar (12), ventilation gap is left between spring seat (9) and sealing axle sleeve (13), Air flow groove (10) is also left in described sealing axle sleeve (13) outside, Air flow groove (10) is communicated with space outerpace by ventilation gap.
2. air cooling dry-type mechanical sealing according to claim 1, is characterized in that: described sealing axle sleeve (13) outside is also provided with locating slot, and be provided with positioning block (8) in locating slot, positioning block (8) is fixedly connected with spring seat (9) by screw.
3. air cooling dry-type mechanical sealing according to claim 1, it is characterized in that: described sealing axle sleeve (13) inner side is provided with the first seal ring (1), the second seal ring (4) is provided with between described stationary ring (3) and sealing seat (5), the side of described sealing seat (5) is also provided with the 3rd seal ring (14), arranges with the 4th seal ring (17) between described sealing axle sleeve (13) and rotating ring (2).
4. air cooling dry-type mechanical sealing according to claim 1, is characterized in that: described rotating ring (2) and stationary ring (3) all adopt cemented carbide or pressureless sintering SIC to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520799916.8U CN205047497U (en) | 2015-10-17 | 2015-10-17 | Air cooling dry -type mechanical seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520799916.8U CN205047497U (en) | 2015-10-17 | 2015-10-17 | Air cooling dry -type mechanical seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205047497U true CN205047497U (en) | 2016-02-24 |
Family
ID=55341080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520799916.8U Expired - Fee Related CN205047497U (en) | 2015-10-17 | 2015-10-17 | Air cooling dry -type mechanical seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205047497U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106501073A (en) * | 2016-12-22 | 2017-03-15 | 华能国际电力股份有限公司 | Loading device with external pressure-leading type pressure balance structure and loading method |
| CN110500411A (en) * | 2019-09-04 | 2019-11-26 | 上海创异流体机械有限公司 | A kind of reliable plastics mechanical sealing device used for pump |
| WO2021253449A1 (en) * | 2020-06-19 | 2021-12-23 | 南京千里行测控技术有限公司 | Environmentally friendly sealing apparatus for body of centrifugal blower |
-
2015
- 2015-10-17 CN CN201520799916.8U patent/CN205047497U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106501073A (en) * | 2016-12-22 | 2017-03-15 | 华能国际电力股份有限公司 | Loading device with external pressure-leading type pressure balance structure and loading method |
| CN106501073B (en) * | 2016-12-22 | 2023-12-19 | 华能国际电力股份有限公司 | Loading device with external pressure-guiding pressure balance structure and loading method |
| CN110500411A (en) * | 2019-09-04 | 2019-11-26 | 上海创异流体机械有限公司 | A kind of reliable plastics mechanical sealing device used for pump |
| WO2021253449A1 (en) * | 2020-06-19 | 2021-12-23 | 南京千里行测控技术有限公司 | Environmentally friendly sealing apparatus for body of centrifugal blower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Xikai Inventor before: Tang Xinwei |
|
| COR | Change of bibliographic data | ||
| 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: 20160224 Termination date: 20211017 |