CN201844025U - Blockage-preventive mechanical sealing device - Google Patents
Blockage-preventive mechanical sealing device Download PDFInfo
- Publication number
- CN201844025U CN201844025U CN2010206050656U CN201020605065U CN201844025U CN 201844025 U CN201844025 U CN 201844025U CN 2010206050656 U CN2010206050656 U CN 2010206050656U CN 201020605065 U CN201020605065 U CN 201020605065U CN 201844025 U CN201844025 U CN 201844025U
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- Prior art keywords
- ring
- seat
- axle sleeve
- stationary
- sealing device
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- Expired - Fee Related
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Abstract
The utility model discloses a blockage-preventive mechanical sealing device, which comprises a rotating component and a fixed component. The rotating component comprises a shaft sleeve (3), an O-shaped ring (1) of the shaft sleeve is disposed between the shaft sleeve (3) and a rotating shaft, a movable ring (5) is connected to one end of the shaft sleeve (3) by a dowel (2), and a driving ring (14) is connected onto the other end of the shaft sleeve (3). The fixed component connected with a pump sealing end cover (10) consists of a fixed ring (6) and a fixed ring seat (7), the fixed ring (6) is connected with the movable ring (5), the fixed ring seat (7) is in interference connection with the fixed ring (6), a spring seat (16) provided with a spring (11) is fixed onto the fixed ring seat (7), a rubber corrugated pipe (9) is connected to the back surface of the fixed ring seat (7), and a notch on the back of the fixed ring seat (7) is connected with a drive ring (18). The blockage-preventive mechanical sealing device has the advantages of fine sealing effect, safety, reliability and long service life.
Description
Technical field
The utility model relates to a kind of mechanical seal structure device, particularly a kind of anticlogging mechanical seal structure device of rubber corrugated pipe that is applied to contain impurity and the high medium operating mode of viscosity.
Background technique
Mechanical seal is in the application of fluid machinery; if impurity is more or viscosity is higher in the medium; the mechanical seal meeting is because medium spring blocking or slide member; seal ring can not in time compensate; sealing surface is broken away from; cause mechanical seal to lose efficacy, and then the leakage that causes, shut down to have a strong impact on and produce and environmental protection.
Summary of the invention
At the not good present situation of sealing effect in the fluid machinery, the utility model provides a kind of Anticlogging mechanical sealing device.
To achieve these goals, the measure taked of the utility model is:
A kind of Anticlogging mechanical sealing device, comprise rotary component and static part, rotary component comprises the axle sleeve that is fixed on the running shaft, be provided with axle sleeve O shape circle between axle sleeve and the running shaft, rotating ring is connected an end of axle sleeve by pin, be provided with rotating ring O shape circle between rotating ring and the axle sleeve, be connected with driving ring on the other end of axle sleeve, the static part that is connected with the pump seal end cap comprises the stationary ring and the stationary seat that is connected with the stationary ring interference that links to each other with rotating ring, stationary seat and be connected with and be provided with stationary ring O shape circle between the end cover of end cap pad, the spring seat of spring fixedly is housed on the stationary seat, the back side of stationary seat is connected with rubber corrugated pipe, and stationary seat back breach is connected with throw-out collar;
Described seal ring adopts the balanced mechanical seal constructional device;
Described rubber corrugated pipe is by being connected on the stationary seat with the collar interference;
Described spring seat adopts screw orientation type from inside to outside to be fixed on the end cover by screw;
The rear portion interference of described end cover is connected with outside framework oil seal;
Be connected with limiting stopper by screw on the described driving ring.
The beneficial effects of the utility model: increase rubber corrugated pipe at the stationary seat back side, impurity can not be contacted with quiet O shape circle, prevent that impurity from stopping up the seal failure that quiet O shape circle causes; Be fixed on the rubber corrugated pipe on stationary seat and the end cover, be close to circle and clamp with the rubber corrugated pipe interference, safe and reliable; Adopt the balanced mechanical seal constructional device, can reduce pressure medium effectively and act on the active force that seals on the anchor ring; Use external cleaning cooling water, can in time take away the heat of rotating ring and stationary ring product; Use outside framework oil seal, stifled disconnected external cleaning cooling water leaks to atmosphere.
Description of drawings
Fig. 1 structural representation of the present utility model.
Embodiment
A kind of Anticlogging mechanical sealing device, comprise rotary component and static part, rotary component comprises the axle sleeve 3 that is fixed on the running shaft, be provided with axle sleeve O shape circle 1 between axle sleeve 3 and the running shaft, rotating ring 5 is connected an end of axle sleeve 3 by pin 2, be provided with rotating ring O shape circle 4 between rotating ring 5 and the axle sleeve 3, be connected with driving ring 14 on the other end of axle sleeve 3, the static part that is connected with pump seal end cap 10 comprises the stationary ring 6 and the stationary seat 7 that is connected with stationary ring 6 interference that links to each other with rotating ring 5, stationary seat 7 and be connected with and be provided with stationary ring O shape circle 19 between the end cover 10 of end cap pad 17, the spring seat 16 of spring 11 fixedly is housed on the stationary seat 7, the back side of stationary seat 7 is connected with rubber corrugated pipe 9, and stationary seat 7 back breach are connected with throw-out collar 18; Described seal ring adopts the balanced mechanical seal constructional device; Described rubber corrugated pipe 9 is by being connected on the stationary seat 7 with collar 8 interference; Described spring seat 16 adopts screw orientation type from inside to outside to be fixed on the end cover 10 by screw 12; The rear portion interference of described end cover 10 is connected with outside framework oil seal 15; Be fixedly connected with limiting stopper 13 by screw 12 on the described driving ring 14.
Rotary component drives axle sleeve 3 then by screw-driving and rotates with axle on axle, pin 2 on the axle sleeve drives rotating ring 5 and rotates, in rotating process, axle sleeve O shape circle 1, rotating ring O shape circle 4 is relative static with the contact part, there are not wearing and tearing, the end cover 10 of static part is connected with the pump housing makes it fixing, throw-out collar 18 utilizes the lug device to snap in sealed end, remain static, stationary seat 7 inlays with stationary ring 6 employing interference and is connected, and stationary seat 7 back breach are connected with throw-out collar 18, and stationary seat 7 and stationary ring 6 are also remained static, adjust the spring compression height when limiting stopper 13 plays product export with screw 12, when product is installed on the equipment, need disassemble.
The beneficial effects of the utility model: increase rubber bellows at the stationary seat back side, impurity can not be contacted with quiet O shape circle, prevent that impurity from stopping up the seal failure that quiet O shape circle causes; Be fixed on the rubber bellows on stationary seat and the end cover, be close to circle and clamp with the rubber bellows interference, safe and reliable; Adopt the balanced mechanical seal constructional device, can effectively reduce pressure medium and act on active force on the sealing ring surface; Use external cleaning cooling water, can in time take away the heat of rotating ring and stationary ring product; Use outside framework oil seal, stifled disconnected external cleaning cooling water leakage is to atmosphere.
Those skilled in the art's simple change and replacement all are within the protection domain of the present utility model in this area.
Claims (6)
1. Anticlogging mechanical sealing device, comprise rotary component and static part, it is characterized in that: rotary component comprises the axle sleeve (3) that is fixed on the running shaft, be provided with axle sleeve O shape circle (1) between axle sleeve (3) and the running shaft, rotating ring (5) is connected an end of axle sleeve (3) by pin (2), be provided with rotating ring O shape circle (4) between rotating ring (5) and the axle sleeve (3), be connected with driving ring (14) on the other end of axle sleeve (3), the static part that is connected with pump seal end cap (10) comprises the stationary ring (6) and the stationary seat (7) that is connected with stationary ring (6) interference that links to each other with rotating ring (5), stationary seat (7) and be connected with and be provided with stationary ring O shape circle (19) between the end cover (10) of end cap pad (17), stationary seat (7) is gone up the spring seat (16) that spring (11) fixedly are housed, the back side of stationary seat (7) is connected with rubber corrugated pipe (9), and stationary seat (7) back breach is connected with throw-out collar (18).
2. according to the described a kind of Anticlogging mechanical sealing device of claim 1, it is characterized in that: described seal ring adopts the balanced mechanical seal constructional device.
3. according to claim 1 or 2 one kind of anticlogging mechanical seal structure device of described rubber corrugated pipe, it is characterized in that: described rubber corrugated pipe (9) is by being connected on the stationary seat (7) with collar (8) interference.
4. according to the described a kind of Anticlogging mechanical sealing device of claim 1, it is characterized in that: described spring seat (16) adopts screw orientation type from inside to outside to be fixed on the end cover (10) by screw (12).
5. according to the described a kind of Anticlogging mechanical sealing device of claim 4, it is characterized in that: the rear portion interference of described end cover (10) is connected with outside framework oil seal (15).
6. according to the described a kind of Anticlogging mechanical sealing device of claim 5, it is characterized in that: described driving ring (14) is gone up and is fixedly connected with limiting stopper (13) by screw (12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010206050656U CN201844025U (en) | 2010-11-15 | 2010-11-15 | Blockage-preventive mechanical sealing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010206050656U CN201844025U (en) | 2010-11-15 | 2010-11-15 | Blockage-preventive mechanical sealing device |
Publications (1)
Publication Number | Publication Date |
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CN201844025U true CN201844025U (en) | 2011-05-25 |
Family
ID=44038917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2010206050656U Expired - Fee Related CN201844025U (en) | 2010-11-15 | 2010-11-15 | Blockage-preventive mechanical sealing device |
Country Status (1)
Country | Link |
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CN (1) | CN201844025U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104235373A (en) * | 2014-09-18 | 2014-12-24 | 芜湖市天同瑞矿山机械再制造有限公司 | Mechanical sealing element applicable to large-particle slurry machine |
CN106468287A (en) * | 2015-08-20 | 2017-03-01 | 宇航航天装备有限公司 | A kind of centrifugal pump specialized high-speed swivel joint |
-
2010
- 2010-11-15 CN CN2010206050656U patent/CN201844025U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104235373A (en) * | 2014-09-18 | 2014-12-24 | 芜湖市天同瑞矿山机械再制造有限公司 | Mechanical sealing element applicable to large-particle slurry machine |
CN106468287A (en) * | 2015-08-20 | 2017-03-01 | 宇航航天装备有限公司 | A kind of centrifugal pump specialized high-speed swivel joint |
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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: 20110525 Termination date: 20171115 |
|
CF01 | Termination of patent right due to non-payment of annual fee |