CN207454779U - A kind of compensation mechanical seal structure of the short stationary ring of extension - Google Patents
A kind of compensation mechanical seal structure of the short stationary ring of extension Download PDFInfo
- Publication number
- CN207454779U CN207454779U CN201721364429.4U CN201721364429U CN207454779U CN 207454779 U CN207454779 U CN 207454779U CN 201721364429 U CN201721364429 U CN 201721364429U CN 207454779 U CN207454779 U CN 207454779U
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- ring
- stationary
- gland
- axle sleeve
- movable axle
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Abstract
The utility model discloses a kind of compensation mechanical seal structures of the short stationary ring of extension, it includes long axis, stationary gland, moving sealing ring, stationary seal ring, long axis is in the gland through hole of stationary gland, installing activity axle sleeve between long axis and stationary gland, movable axis put on end sleeve card drive ring；Movable axle sleeve lower end sets rotating ring mounting portion, and the lower end of moving sealing ring is intercalated in the rotating ring mounting groove of rotating ring mounting portion, and rotating ring rotation stop pin is installed between moving sealing ring lower end and rotating ring mounting portion；Stationary gland sets gland bulge loop, stationary seal ring is between gland bulge loop and movable axle sleeve, stationary seal ring lower end extends to gland bulge loop lower end side and stationary seal ring lower face is touched with moving sealing ring upper surface, and stationary ring rotation stop pin, spring are installed between stationary seal ring upper end and stationary gland.By said structure design, the utility model has the advantages that novel in structural design, easy for installation, good seal performance and can effectively save water resource.
Description
Technical field
The utility model is related to the short stationary ring of mechanical seal structure technical field more particularly to a kind of extension is compensation
Mechanical seal structure.
Background technology
For existing industrial pump, mechanical seal structure is usually unbalanced type mechanical seal structure, is being installed
It is cumbersome during with replacing, and worker is required to have certain mounting technique level；In actual use, also there is sealing
Effect is very poor, leak is serious and needs frequent the problem of replacing.
In addition, above-mentioned mechanical seal structure band rinse water arrangement, does not save water resource reasonably, it is easy to water be caused to provide
Source wastes.
Utility model content
The purpose of this utility model is to provide a kind of compensation mechanical seal structures of the short stationary ring of extension, this is overhanging
The compensation mechanical seal structure of the short stationary ring of length is novel in design, easy for installation, good seal performance, and can effectively save water
Resource.
In order to achieve the above objectives, the utility model is achieved through the following technical solutions.
A kind of compensation mechanical seal structure of the short stationary ring of extension, includes long axis, stationary gland, stationary gland pair
Answer long axis offer up and down completely through gland through hole, long axis rotatably be flush-mounted in stationary gland gland through hole
It is interior, the movable axle sleeve for being set in long axis periphery is equiped between long axis and stationary gland, the lower end of movable axle sleeve extends to admittedly
The lower end side of level pressure lid, the upper end of movable axle sleeve extend to the upper end side of stationary gland, movable axis put on the periphery of end in
The upper end side set card of stationary gland has in circular drive ring；
The lower end of movable axle sleeve is provided with rotating ring mounting portion, and rotating ring mounting portion offers upwardly opening rotating ring installation
Slot, the periphery of movable axle sleeve are set with moving sealing ring, and the lower end of moving sealing ring is intercalated in the rotating ring mounting groove of rotating ring mounting portion
It is interior, rotating ring rotation stop pin is equiped between the lower end of moving sealing ring and rotating ring mounting portion；
Stationary gland is provided with protrusion extension downward and is surrounded on the gland bulge loop of movable axle sleeve periphery, gland bulge loop and work
Moving axis covers arranged for interval and is equiped with stationary seal ring between gland bulge loop and movable axle sleeve, and the lower end of stationary seal ring extends to pressure
The lower end side of the lid bulge loop and lower face of stationary seal ring and the upper surface of moving sealing ring touch, the upper end of stationary seal ring and fixation
Stationary ring rotation stop pin and spring are equiped between gland, the upper end of spring is abutted with stationary gland, the lower end of spring with it is close
Stationary ring is sealed to abut.
Wherein, the stationary gland corresponds to the spring and offers location hole of the spring, and the upper end of spring is intercalated in spring
In location hole, the lower end of spring is abutted with the upper surface of the stationary seal ring.
Wherein, it is installed with axle sleeve O-ring between the lower end of the movable axle sleeve and the long axis.
Wherein, it is installed with rotating ring O-ring between the rotating ring mounting portion of the moving sealing ring and the movable axle sleeve.
Wherein, it is installed with stationary ring O-ring between the outer circumference surface of the stationary seal ring and the gland bulge loop.
The beneficial effects of the utility model are：A kind of short compensation machinery of stationary ring of extension described in the utility model
Sealing structure, includes long axis, stationary gland, stationary gland correspond to long axis offer up and down completely through gland through hole,
Long axis rotatably in the gland through hole of stationary gland, is equiped between long axis and stationary gland and is set in long axis
The movable axle sleeve of periphery, the lower end of movable axle sleeve extend to the lower end side of stationary gland, and the upper end of movable axle sleeve extends to
The upper end side of stationary gland, the periphery that movable axis puts on end have in the upper end side set card of stationary gland in circular driving
Ring；The lower end of movable axle sleeve is provided with rotating ring mounting portion, and rotating ring mounting portion offers upwardly opening rotating ring mounting groove, activity
The periphery of axle sleeve is set with moving sealing ring, and the lower end of moving sealing ring is intercalated in the rotating ring mounting groove of rotating ring mounting portion, sealing
Rotating ring rotation stop pin is equiped between the lower end of rotating ring and rotating ring mounting portion；Stationary gland is provided with protrusion extension downward and surround
Gland bulge loop in movable axle sleeve periphery, gland bulge loop and movable shaft room fill between arrangement and gland bulge loop and movable axle sleeve
Equipped with stationary seal ring, the lower end of stationary seal ring extends to the lower end side of gland bulge loop and the lower face of stationary seal ring and sealing are dynamic
The upper surface of ring touches, and stationary ring rotation stop pin and spring are equiped between the upper end of stationary seal ring and stationary gland, spring
Upper end is abutted with stationary gland, and the lower end of spring is abutted with stationary seal ring.Pass through said structure design, the utility model tool
The advantages of having novel in structural design, easy for installation, good seal performance and can effectively saving water resource.
Description of the drawings
The utility model is further detailed below with attached drawing, but the embodiment in attached drawing is not formed pair
Any restrictions of the utility model.
Fig. 1 is the structure diagram of the utility model.
Include in Fig. 1：
1 --- long axis 2 --- stationary gland
21 --- gland bulge loop 22 --- location hole of the spring
3 --- movable axle sleeve 31 --- rotating ring mounting portions
311 --- rotating ring mounting groove 4 --- drive rings
51 --- moving sealing ring 52 --- rotating ring rotation stop pins
61 --- stationary seal ring 62 --- stationary ring rotation stop pins
63 --- spring 71 --- axle sleeve O-rings
72 --- rotating ring O-ring 73 --- stationary ring O-rings.
Specific embodiment
The utility model is illustrated with reference to specific embodiment.
As shown in Figure 1, the compensation mechanical seal structure of stationary ring that a kind of extension is short, includes long axis 1, stationary gland
2, stationary gland 2 correspond to long axis 1 offer up and down completely through gland through hole, long axis 1 rotatably flush-mounted in fix
In the gland through hole of gland 2, the movable axle sleeve 3 for being set in 1 periphery of long axis, movable axis are equiped between long axis 1 and stationary gland 2
The lower end of set 3 extends to the lower end side of stationary gland 2, and the upper end of movable axle sleeve 3 extends to the upper end side of stationary gland 2,
The periphery of movable 3 upper end of axle sleeve has in the upper end side set card of stationary gland 2 in circular drive ring 4；
The lower end of movable axle sleeve 3 is provided with rotating ring mounting portion 31, and rotating ring mounting portion 31 offers upwardly opening rotating ring
Mounting groove 311, the periphery of movable axle sleeve 3 are set with moving sealing ring 51, and the lower end of moving sealing ring 51 is intercalated in rotating ring mounting portion
In 31 rotating ring mounting groove 311, rotating ring rotation stop pin 52 is equiped between the lower end of moving sealing ring 51 and rotating ring mounting portion 31；
Stationary gland 2 is provided with protrusion extension downward and is surrounded on the gland bulge loop 21 of movable 3 periphery of axle sleeve, gland bulge loop
Stationary seal ring 61 is equiped between 21 and movable 3 arranged for interval of axle sleeve and gland bulge loop 21 and movable axle sleeve 3, stationary seal ring 61
Lower end extends to the lower face of the lower end side of gland bulge loop 21 and stationary seal ring 61 and the upper surface of moving sealing ring 51 touches, close
Be equiped with stationary ring rotation stop pin 62 and spring 63 between the envelope upper end of stationary ring 61 and stationary gland 2, the upper end of spring 63 with
Stationary gland 2 abuts, and the lower end of spring 63 is abutted with stationary seal ring 61.
Wherein, for ease of being positioned to spring 63, the utility model uses following structure designs, specifically：Fixed pressure
Lid 2 corresponds to spring 63 and offers location hole of the spring 22, and the upper end of spring 63 is intercalated in location hole of the spring 22, under spring 63
End is abutted with the upper surface of stationary seal ring 61.
The utility model is connected by rotation stop between 52 realization activity axle sleeve 3 of rotating ring rotation stop pin and moving sealing ring 51, specifically
's：The rotating ring mounting portion 31 and moving sealing ring 51 of movable axle sleeve 3 correspond to rotating ring rotation stop pin 52 and offer the installation of rotation stop pin respectively
Hole, the upper end of rotating ring rotation stop pin 52 are intercalated in the rotation stop pin mounting hole of 51 lower end of moving sealing ring, rotating ring rotation stop pin 52
Lower end is intercalated in the rotation stop pin mounting hole of rotating ring mounting portion 31.In addition, the utility model is real by stationary ring rotation stop pin 62
Existing rotation stop between stationary seal ring 61 and stationary gland 2 connects, specifically：Stationary seal ring 61, stationary gland 2 correspond to stationary ring rotation stop pin
62 offer rotation stop pin mounting hole respectively, and the upper end of stationary ring rotation stop pin 62 is intercalated in the rotation stop pin mounting hole of stationary gland 2,
The lower end of stationary ring rotation stop pin 62 is intercalated in the rotation stop pin mounting hole of stationary seal ring 61.
It should further be noted that it is installed with axle sleeve O-ring 71 between the movable lower end of axle sleeve 3 and long axis 1；Moving sealing ring 51
Rotating ring O-ring 72 is installed between the rotating ring mounting portion 31 of movable axle sleeve 3；The outer circumference surface of stationary seal ring 61 and gland bulge loop
Stationary ring O-ring 73 is installed between 21.
During utility model works, under the driving effect of drive ring 4, movable axle sleeve 3 is synchronous with drive ring 4
It rotates, during movable axle sleeve 3 rotates, movable axle sleeve 3 drives moving sealing ring 51 to rotate synchronously by rotating ring rotation stop pin 52；
Wherein, stationary seal ring 61 keeps keeping fitting closely state with 51 moment of moving sealing ring in compressing under effect for spring 63, this
Utility model is by spring 63 with the pressure of sealing medium in the moving sealing ring 51 of rotation, the contact surface of stationary seal ring 61, production
Raw appropriate pressing force, so that stationary seal ring 61 and the contact surface of moving sealing ring 51 fit closely, is tieed up between seal face
It holds one layer of very thin liquid film and achievees the purpose that sealing, this layer of liquid film has hydrodynamic pressure and static pressure, plays lubrication peace
The effect for the pressure that weighs.
Based on the above situation, it may be appreciated that by said structure design, the utility model has novel in structural design, installation side
Just, good seal performance and the advantages of can effectively save water resource；The utility model extension is short to adapt to in-site installation
It is required that and have the characteristics that simple installation, interchangeability are strong, and can avoid overhaul of the equipments when, is close caused by mechanical seal is installed
The damage of element is sealed, maintenance cost is reduced and improves the service life of mechanical seal.
More than content is only the preferred embodiment of the utility model, for those of ordinary skill in the art, according to this reality
With new thought, there will be changes, this specification content should not be construed as in specific embodiments and applications
Limitation to the utility model.
Claims (5)
1. a kind of compensation mechanical seal structure of the short stationary ring of extension, it is characterised in that：Include long axis（1）, fixed pressure
Lid（2）, stationary gland（2）Corresponding long axis（1）Offer up and down completely through gland through hole, long axis（1）Rotatably
Flush-mounted in stationary gland（2）Gland through hole in, long axis（1）With stationary gland（2）Between be equiped with and be set in long axis（1）Periphery
Movable axle sleeve（3）, movable axle sleeve（3）Lower end extend to stationary gland（2）Lower end side, movable axle sleeve（3）Upper end
Portion extends to stationary gland（2）Upper end side, movable axle sleeve（3）The periphery of upper end is in stationary gland（2）Upper end side set card
Have in circular drive ring（4）；
Movable axle sleeve（3）Lower end be provided with rotating ring mounting portion（31）, rotating ring mounting portion（31）Offer upwardly opening move
Ring mounting groove（311）, movable axle sleeve（3）Periphery be set with moving sealing ring（51）, moving sealing ring（51）Lower end be intercalated in
Rotating ring mounting portion（31）Rotating ring mounting groove（311）It is interior, moving sealing ring（51）Lower end and rotating ring mounting portion（31）Between fill
Equipped with rotating ring rotation stop pin（52）；
Stationary gland（2）It is provided with protrusion extension downward and is surrounded on movable axle sleeve（3）The gland bulge loop of periphery（21）, gland is convex
Ring（21）With movable axle sleeve（3）Arranged for interval and gland bulge loop（21）With movable axle sleeve（3）Between be equiped with stationary seal ring（61）,
Stationary seal ring（61）Lower end extend to gland bulge loop（21）Lower end side and stationary seal ring（61）Lower face and sealing it is dynamic
Ring（51）Upper surface touch, stationary seal ring（61）Upper end and stationary gland（2）Between be equiped with stationary ring rotation stop pin（62）
And spring（63）, spring（63）Upper end and stationary gland（2）It abuts, spring（63）Lower end and stationary seal ring（61）
It abuts.
2. a kind of short compensation mechanical seal structure of stationary ring of extension according to claim 1, it is characterised in that：Institute
State stationary gland（2）The corresponding spring（63）Offer location hole of the spring（22）, spring（63）Upper end be intercalated in spring
Location hole（22）It is interior, spring（63）Lower end and the stationary seal ring（61）Upper surface abut.
3. a kind of short compensation mechanical seal structure of stationary ring of extension according to claim 1, it is characterised in that：Institute
State movable axle sleeve（3）Lower end and the long axis（1）Between be installed with axle sleeve O-ring（71）.
4. a kind of short compensation mechanical seal structure of stationary ring of extension according to claim 1, it is characterised in that：Institute
State moving sealing ring（51）With the movable axle sleeve（3）Rotating ring mounting portion（31）Between be installed with rotating ring O-ring（72）.
5. a kind of short compensation mechanical seal structure of stationary ring of extension according to claim 1, it is characterised in that：Institute
State stationary seal ring（61）Outer circumference surface and the gland bulge loop（21）Between be installed with stationary ring O-ring（73）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721364429.4U CN207454779U (en) | 2017-10-23 | 2017-10-23 | A kind of compensation mechanical seal structure of the short stationary ring of extension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721364429.4U CN207454779U (en) | 2017-10-23 | 2017-10-23 | A kind of compensation mechanical seal structure of the short stationary ring of extension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207454779U true CN207454779U (en) | 2018-06-05 |
Family
ID=62281044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721364429.4U Active CN207454779U (en) | 2017-10-23 | 2017-10-23 | A kind of compensation mechanical seal structure of the short stationary ring of extension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207454779U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139923A (en) * | 2018-09-28 | 2019-01-04 | 安徽安密机械密封有限公司 | A kind of split spring mechanical seal part and its preparation process |
| CN111946827A (en) * | 2020-07-21 | 2020-11-17 | 丹东克隆集团有限责任公司 | Mechanical sealing device for sewage pump |
-
2017
- 2017-10-23 CN CN201721364429.4U patent/CN207454779U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139923A (en) * | 2018-09-28 | 2019-01-04 | 安徽安密机械密封有限公司 | A kind of split spring mechanical seal part and its preparation process |
| CN111946827A (en) * | 2020-07-21 | 2020-11-17 | 丹东克隆集团有限责任公司 | Mechanical sealing device for sewage pump |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" | ||
| CP03 | "change of name, title or address" |
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: 511483 No.1, South row, Youzhan Road, Longqi village, Shawan Town, Panyu District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU KAILILAI ELECTRIC MACHINERY Co.,Ltd. |