CN208966690U - A kind of mechanical seal of use on condensate pump - Google Patents
A kind of mechanical seal of use on condensate pump Download PDFInfo
- Publication number
- CN208966690U CN208966690U CN201821691947.1U CN201821691947U CN208966690U CN 208966690 U CN208966690 U CN 208966690U CN 201821691947 U CN201821691947 U CN 201821691947U CN 208966690 U CN208966690 U CN 208966690U
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- CN
- China
- Prior art keywords
- ring
- axle sleeve
- mechanical seal
- condensate pump
- gland
- 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.)
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Abstract
The utility model provides a kind of mechanical seal of use on condensate pump, including gland, axle sleeve with shoulder, rotating ring and stationary ring, the axle sleeve is adjacent to axis setting, the rotating ring is arranged in the outside of axle sleeve and is fixed by the rotating seat of setting on the outside, the inside of the rotating seat is equipped with the spring of the shoulder conflict of one end and axle sleeve, the stationary ring is contacted with the end of rotating ring, the gland is socketed in the outside on axle sleeve and being in stationary ring, the gland and axle sleeve contact one end and shut off set equipped with labyrinth, the axle sleeve is equipped with the drive ring being socketed on axis far from the side of rotating seat.A kind of mechanical seal of the use provided by the utility model on condensate pump, supra polymer polytetrafluoroethylene (PTFE) labyrinth has been filled to shut off covering device, the effect of shutting off generated has achieved the purpose that prevent leakage, back flushing water has been introduced simultaneously, mechanical seal is set to be in proper temperature, it cleans in the preferable working environment of lubricity, effectively increases service life.
Description
Technical field
The utility model relates to mechanical seal field, in particular to mechanical seal of a kind of use on condensate pump.
Background technique
Condensate pump suction is the saturation condensed water under the high vacuum, and suction side is work under vacuum conditions
Make, it is easy to suck air and generate cavitation.The service condition of condensate pump, it is desirable that the anti-cavitation performance and shaft sealer of pump
It is functional.The mechanical seal of the prior art: without back cut-off equipment, a small amount of medium is had in operational process and is carried, is easy
It leaks；Belong in condensate pump, high pressure, high revolution equipment, mechanical seal without back-cooled and lubrication, accelerate abrasion and
Service life, maintenance cost are high.
Utility model content
For above-mentioned deficiency in the prior art, it is mechanical close on condensate pump that the utility model provides a kind of use
Envelope, compact-sized, good seal performance, long service life facilitate popularization.
In order to reach above-mentioned purpose of utility model, the technical solution adopted in the utility model are as follows:
The mechanical seal of a kind of use on condensate pump, including gland, the axle sleeve with shoulder, rotating ring and stationary ring, institute
It states axle sleeve and is adjacent to axis setting, the rotating ring is arranged in the outside of axle sleeve and limit by the rotating seat of setting on the outside solid
Fixed, the inside of the rotating seat is equipped with the spring of the shoulder conflict of one end and axle sleeve, and the stationary ring is contacted with the end of rotating ring, institute
It states gland and is socketed in the outside on axle sleeve and being in stationary ring, the gland and axle sleeve contact one end and shut off set equipped with labyrinth, described
Axle sleeve is equipped with the drive ring being socketed on axis far from the side of rotating seat.
Further, the gland is equipped with flushing water hole and interior flushing water hole to back lubrication.
Further, the contact jaw of the shoulder of the axle sleeve and axis is equipped with axle sleeve O-ring.
Further, it is equipped with rotating ring O-ring between the rotating seat and axle sleeve, stationary ring is equipped between the gland and stationary ring
O-ring.
Further, the material of the rotating ring is leaching antimony graphite, and the material of the stationary ring is pressureless sintering silicon carbide.
Further, the gland is close to the end of rotating seat equipped with no asbestos washer.
Further, it is equipped with rotating ring stop pin between the axle sleeve and rotating seat, is equipped between the gland and stationary ring quiet
Ring stop pin.
Further, it is equipped with the driving screw for limit in the drive ring and outer end is equipped with and passes through locating piece screw
Fixed locating piece and drive ring is equipped with the service bolt to fixed drive ring and axle sleeve.
Further, the shut off material of set of the labyrinth is that supra polymer polytetrafluoroethylene (PTFE) and side are equipped with limited location snap ring.
The utility model has the following beneficial effects:
Shut off covering device by the labyrinth for installing supra polymer polytetrafluoroethylene (PTFE) material additional at back, sealed medium is by bent
It is generated when rolling over the gap in labyrinth and shuts off effect and achieve the purpose that prevention leakage, without lubricating and allowing to have thermal expansion, adapted to, is high
Pressure, the occasion of high speed-frequency；Back flushing water has also been introduced in this mechanical seal, makes dynamic and static ring, and spring is in preferably for a long time
It is run under working environment, effectively increases service life, reduce maintenance cost.
Detailed description of the invention
Fig. 1 is the structural profile illustration of the utility model；
Specific embodiment
Further illustrate specific embodiment of the present utility model with reference to the accompanying drawing.Wherein identical components phase
Same appended drawing reference indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "upper" and
"lower" refers to that the direction in attached drawing, word "inner" and "outside" refer respectively to the side towards or away from geometric center of specific component
To.
In order to make the content of the utility model be easier to be clearly understood, below in conjunction in the utility model embodiment
Attached drawing, the technical scheme in the utility model embodiment is clearly and completely described.
As shown in Figure 1, a kind of mechanical seal of use on condensate pump, axle sleeve 3 including gland 11, with shoulder,
Rotating ring 4 and stationary ring 5, the axle sleeve 3 are adjacent to the setting of axis 22, and the rotating ring 4 is arranged in the outside of axle sleeve 3 and by being arranged on the outside
Rotating seat 21 fix, the inside of the rotating seat 21 is equipped with the spring 8 that the shoulder of one end and axle sleeve 3 contradicts, institute
It states stationary ring 5 to contact with the end of rotating ring 4, the gland 11 is socketed on axle sleeve 3 and is in the outside of stationary ring 5, the gland 11
One end is contacted with axle sleeve 3 being equipped with labyrinth and shut off set 12, the axle sleeve 3 is equipped with far from the side of rotating seat 21 and is socketed on axis 22
Drive ring 16.
The gland 11 is equipped with flushing water hole 19 and interior flushing water hole 20 to back lubrication.
The shoulder of the axle sleeve 3 and the contact jaw of axis 22 are equipped with axle sleeve O-ring 1.
It is equipped with rotating ring O-ring 7 between the rotating seat 21 and axle sleeve 3, stationary ring O is equipped between the gland 11 and stationary ring 5
Type circle 10.
The material of the rotating ring 4 is leaching antimony graphite, and the material of the stationary ring 5 is pressureless sintering silicon carbide.
The gland 11 is close to the end of rotating seat 21 equipped with no asbestos washer 9.
It is equipped with rotating ring stop pin 2 between the axle sleeve 3 and rotating seat 21, stationary ring is equipped between the gland 11 and stationary ring 5
Stop pin 6.
The driving screw 14 for limit and outer end are equipped in the drive ring 16 equipped with solid by locating piece screw 13
Fixed locating piece 15 and drive ring 16 is equipped with the service bolt 17 to fixed drive ring 16 and axle sleeve (3).
The labyrinth shuts off the material for covering 12 for supra polymer polytetrafluoroethylene (PTFE) and side is equipped with limited location snap ring 18.
Working principle:
Axle sleeve 3 drives rotating ring 4 to rotate, and stationary ring 5 keeps being bonded under the action of spring 8 is with Fluid pressure with 4 moment of rotating ring,
To reach the state of sealing, leak medium not；Sealed medium shut off by tortuous labyrinth set 12 gap when generation
Effect of shutting off and achieve the purpose that prevent leakage；Interior flushing water is uninterruptedly opened simultaneously, and the flushing of back lubrication is introduced
Water more effectively improves service life.
The foregoing is merely the preferred embodiment of the utility model patent, it is not intended to limit the utility model specially
Benefit, all made any modifications, equivalent replacements, and improvements etc. within the spirit and principle of the utility model patent should all include
Within the protection scope of the utility model patent.
Claims (9)
1. a kind of mechanical seal of use on condensate pump, axle sleeve (3), rotating ring (4) including gland (11), with shoulder and
Stationary ring (5), which is characterized in that the axle sleeve (3) is adjacent to axis (22) setting, the rotating ring (4) setting axle sleeve (3) outside and
It is fixed by the rotating seat (21) of setting on the outside, the inside of the rotating seat (21) is equipped with one end and axle sleeve (3)
The spring (8) that contradicts of shoulder, the stationary ring (5) contacts with the end of rotating ring (4), and the gland (11) is socketed in axle sleeve (3)
Outside that is upper and being in stationary ring (5), the gland (11) and axle sleeve (3) contact one end are equipped with labyrinth and shut off set (12), the axis
Set (3) is equipped with the drive ring (16) being socketed on axis (22) far from the side of rotating seat (21).
2. a kind of mechanical seal of the use according to claim 1 on condensate pump, it is characterised in that: the gland
(11) the flushing water hole (19) and interior flushing water hole (20) to back lubrication are equipped with.
3. a kind of mechanical seal of the use according to claim 1 on condensate pump, it is characterised in that: the axle sleeve
(3) contact jaw of shoulder and axis (22) is equipped with axle sleeve O-ring (1).
4. a kind of mechanical seal of the use according to claim 1 on condensate pump, it is characterised in that: the rotating seat
(21) rotating ring O-ring (7) are equipped between axle sleeve (3), are equipped with stationary ring O-ring (10) between the gland (11) and stationary ring (5).
5. a kind of mechanical seal of the use according to claim 1 on condensate pump, it is characterised in that: the rotating ring
(4) material is leaching antimony graphite, and the material of the stationary ring (5) is pressureless sintering silicon carbide.
6. a kind of mechanical seal of the use according to claim 1 on condensate pump, it is characterised in that: the gland
(11) end close to rotating seat (21) is equipped with no asbestos washer (9).
7. a kind of mechanical seal of the use according to claim 1 on condensate pump, it is characterised in that: the axle sleeve
(3) rotating ring stop pin (2) are equipped between rotating seat (21), stationary ring stop pin is equipped between the gland (11) and stationary ring (5)
(6)。
8. a kind of mechanical seal of the use according to claim 1 on condensate pump, it is characterised in that: the drive ring
(16) it is equipped with the driving screw (14) for limit in and outer end is equipped with the locating piece fixed by locating piece screw (13)
(15) and drive ring (16) is equipped with the service bolt (17) to fixed drive ring (16) and axle sleeve (3).
9. a kind of mechanical seal of the use according to claim 1 on condensate pump, it is characterised in that: the labyrinth is cut
The material of stream set (12) is supra polymer polytetrafluoroethylene (PTFE) and side is equipped with limited location snap ring (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821691947.1U CN208966690U (en) | 2018-10-18 | 2018-10-18 | A kind of mechanical seal of use on condensate pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821691947.1U CN208966690U (en) | 2018-10-18 | 2018-10-18 | A kind of mechanical seal of use on condensate pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208966690U true CN208966690U (en) | 2019-06-11 |
Family
ID=66759673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821691947.1U Active CN208966690U (en) | 2018-10-18 | 2018-10-18 | A kind of mechanical seal of use on condensate pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208966690U (en) |
-
2018
- 2018-10-18 CN CN201821691947.1U patent/CN208966690U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 511400 No.1 South row, Youzhan Road, Longqi village, Shawan Town, Panyu District, Guangzhou City, Guangdong Province Patentee after: Guangdong kaililai Electrical Machinery Co.,Ltd. Address before: 511400 No.1 South row, Youzhan Road, Longqi village, Shawan Town, Panyu District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU KAILILAI ELECTRIC MACHINERY Co.,Ltd. |