CN210949862U - Double-end-face mechanical sealing structure - Google Patents
Double-end-face mechanical sealing structure Download PDFInfo
- Publication number
- CN210949862U CN210949862U CN201921027435.XU CN201921027435U CN210949862U CN 210949862 U CN210949862 U CN 210949862U CN 201921027435 U CN201921027435 U CN 201921027435U CN 210949862 U CN210949862 U CN 210949862U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- rotating ring
- ring
- partition
- promotion
- 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
Links
- 238000007789 sealing Methods 0.000 title claims description 27
- 238000005192 partition Methods 0.000 claims abstract description 15
- 230000003068 static effect Effects 0.000 claims description 20
- 239000011324 bead Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 4
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 3
- 239000012530 fluid Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Landscapes
- Diaphragms And Bellows (AREA)
Abstract
The utility model relates to a double-ended mechanical seal structure, locate pivot lid, quiet ring, rotating ring and rotating ring board including the cover, still locate the partition promotion sleeve between rotating ring and the rotating ring board including the cover, partition promotion sleeve includes integrated into one piece's left sleeve and right sleeve, the inner circle of rotating ring board is equipped with the annular breach, in the annular breach is stretched into to right sleeve mobile, the rotating ring, partition promotion sleeve and rotating ring board pass through long bolted connection, the mobilizable rotating ring that passes in long bolt top and partition promotion sleeve, it has pressure spring to separate the long bolt cover that promotes between sleeve and the rotating ring board, and is located be equipped with the bellows between the partition promotion sleeve of long bolt outer lane and the rotating ring board. The utility model discloses a set up and separate promotion sleeve and bellows, with pressure spring setting in separating the promotion sleeve, can protect pressure spring, prevent effectively that the foreign matter from getting into pressure spring, reduce the flush fluid to pressure spring's influence, improve mechanical seal's effective life.
Description
Technical Field
The utility model relates to a mechanical seal technical field, concretely relates to double mechanical seal structure.
Background
The mechanical sealing element technology is widely applied to the fields of national defense, electric power, chemical industry, petroleum, metallurgy, transportation, medicine, food, cosmetics and the like. The existing mechanical seal generally comprises a static ring, a static ring seat, a dynamic ring, a thrust spring, an auxiliary sealing sleeve and a gland. The existing end face mechanical seal is a common small spring, and a plurality of small springs are directly arranged between a movable ring and a transmission sleeve. In the chemical industry, the flushing liquid contains impurity residues, and the residues are easily clamped into the small spring, so that the activity of the spring is reduced, and the sealing failure and leakage are easily caused in the past for a long time.
SUMMERY OF THE UTILITY MODEL
To the not enough in the background art, the utility model provides a double mechanical seal structure.
The utility model adopts the technical proposal that: the utility model provides a double-ended mechanical seal structure, locates lid, quiet ring, rotating ring and the rotating ring board in the pivot including the cover, still locates the partition promotion sleeve between rotating ring and the rotating ring board including the cover, partition promotion sleeve include integrated into one piece's left sleeve and right sleeve, left side sleeve offsets with the rotating ring, the inner circle of rotating ring board is equipped with the annular breach, the sleeve is mobile to stretch into in the annular breach in the right side, the rotating ring, partition promotion sleeve and rotating ring board pass through the stay bolt connection, the screw threaded connection of stay bolt and rotating ring board, the mobilizable rotating ring that passes in stay bolt top and partition promotion sleeve, it has pressure spring to separate the stay bolt cover that promotes between sleeve and the rotating ring board, and is located be equipped with the bellows between the partition promotion sleeve of stay bolt outer lane and the rotating ring board.
Furthermore, the rotating ring comprises a first sleeve and a second sleeve, the static ring is abutted to the first sleeve, and the static ring is arranged between the static ring sleeve and the rotating shaft to leave a gap.
Furthermore, the second sleeve is abutted to the left sleeve, an O-shaped sealing ring is arranged between the second sleeve and the left sleeve, and a T-shaped sealing ring is arranged between the right sleeve and the annular notch.
Furthermore, the long bolt comprises a nut and a screw rod, and an external thread is arranged on the screw rod at one end of the nut.
Further, still include quiet ring seal, lid and quiet ring housing between be equipped with the seal groove that is used for installing quiet ring seal, be equipped with the bead that equidistant setting was equipped with on the quiet ring seal outer wall, be equipped with the concave cross with bead position one-to-one on the inner wall of seal groove.
Furthermore, the static ring sealing ring is made of chloroprene rubber or nitrile rubber.
Furthermore, the corrugated pipe is made of transparent plastics.
Furthermore, the cover body and the static ring sleeve are fixedly connected through screws.
The utility model has the advantages that: the utility model discloses a set up and separate promotion sleeve and bellows, with pressure spring setting in separating the promotion sleeve, can protect pressure spring, prevent effectively that the foreign matter from getting into pressure spring, reduce the flush fluid to pressure spring's influence, improve mechanical seal's effective life.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of a long bolt.
In the figure: 1. a rotating shaft; 2. a cover body; 3. a static ring sleeve; 4. a stationary ring; 5. a moving ring; 6. a movable ring plate; 7. a separation push sleeve; 8. a left sleeve; 9. a right sleeve; 10. an annular gap; 11. a long bolt; 12. a bellows; 13. a first sleeve; 14. a second sleeve; 15. an O-shaped sealing ring; 16. a "T" shaped seal ring; 17. a nut; 18. a screw; 19. an external thread; 20. a stationary ring seal ring; 21. a rib; 22. a screw; 23. a pressure spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a double mechanical seal structure.
In this embodiment, referring to fig. 1 and 2, the double-end-face mechanical seal structure includes a cover body 2, a stationary ring sleeve 3, a stationary ring 4, a moving ring 5, a moving ring plate 6, and a separating pushing sleeve 7, which is sleeved between the moving ring 5 and the moving ring plate 6, where the separating pushing sleeve 7 includes a left sleeve 8 and a right sleeve 9, which are integrally formed, the left sleeve 8 abuts against the moving ring 5, an inner ring of the moving ring plate 6 is provided with an annular notch 10, the right sleeve 9 can movably extend into the annular notch 10, the separating pushing sleeve of the integrally formed structure has good mechanical strength, and is convenient for mass production, and the right sleeve of the separating pushing sleeve is inserted into the annular notch to protect a pressure spring, so as to prevent a cleaning solution or a leaked medium from directly corroding the pressure spring;
the rotating ring 5, separate and promote sleeve 7 and rotating ring board 6 and pass through the stay bolt 11 and connect, the screw threaded connection of stay bolt 11 and rotating ring board 6, the mobilizable movable ring 5 that passes in stay bolt 11 top is separated and is promoted sleeve 7, separate the stay bolt cover that promotes between sleeve 7 and the rotating ring board 6 and have pressure spring 23, and be located be equipped with bellows 12 between the separation promotion sleeve 7 of stay bolt outer lane and the rotating ring board 6. The space for accommodating the pressure spring 23 is formed among the corrugated pipe, the separating pushing sleeve and the movable ring plate, so that the pressure spring is well isolated, and the pressure spring is effectively protected.
Specifically, the movable ring 5 comprises a first sleeve 13 and a second sleeve 14, the stationary ring 4 is abutted against the first sleeve 13, and the stationary ring 4 is arranged in a gap reserved between the stationary ring sleeve 3 and the rotating shaft 1; the second sleeve 14 is abutted against the left sleeve 8, an O-shaped sealing ring 15 is arranged between the second sleeve 14 and the left sleeve 8, and a T-shaped sealing ring 16 is arranged between the right sleeve 9 and the annular notch 10. Through setting up "O" shape sealing washer 15, improve and separate the sealing performance who promotes between sleeve and the rotating ring, through setting up "T" shape sealing washer, improve the rotating ring board and separate and promote the sealing performance between the sleeve, avoid other media such as washing liquid directly to get into in the pressure spring.
Specifically, the long bolt 11 comprises a nut 17 and a screw 18, and the screw 18 at one end of the nut is provided with an external thread 19; the sealing structure further comprises a static ring sealing ring 20, a sealing groove for mounting the static ring sealing ring 20 is formed between the cover body and the static ring sleeve, convex edges 21 which are arranged at equal intervals are arranged on the outer wall of the static ring sealing ring 20, and concave-horizontal parts which correspond to the convex edges in position one to one are arranged on the inner wall of the sealing groove; the static ring sealing ring is made of chloroprene rubber or nitrile rubber. The static ring sealing ring of this structure has better sealed effect for the smooth sealing washer of appearance, and the bead setting not only can improve the leakproofness, is convenient for install the location moreover.
Specifically, the corrugated pipe is made of transparent plastic; the cover body and the static ring sleeve are fixedly connected through a screw 22. The corrugated pipe is made of transparent plastic, so that the use condition of the pressure spring can be observed conveniently.
The utility model discloses a set up and separate promotion sleeve and bellows, with pressure spring setting in separating the promotion sleeve, can protect pressure spring, prevent effectively that the foreign matter from getting into pressure spring, reduce the flush fluid to pressure spring's influence, improve mechanical seal's effective life.
The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concepts are not limited to the embodiments, and any modifications that utilize the inventive concepts are intended to be included within the scope of the appended claims.
Claims (8)
1. The utility model provides a double mechanical seal structure, locates lid, quiet ring cover, quiet ring, rotating ring and the rotating ring board in the pivot including the cover, its characterized in that: still locate the partition between rotating ring and the rotating ring board and promote the sleeve including the cover, partition promotion sleeve include integrated into one piece's left sleeve and right sleeve, left side sleeve offsets with the rotating ring, the inner circle of rotating ring board is equipped with annular breach, the mobile annular breach that stretches into of right side sleeve in, rotating ring, partition promotion sleeve and rotating ring board pass through the stay bolt and connect, the screw threaded connection of stay bolt and rotating ring board, the mobilizable rotating ring that passes in stay bolt top and partition promotion sleeve, the stay bolt cover of separating between promotion sleeve and the rotating ring board has pressure spring, and is located be equipped with the bellows between the partition promotion sleeve of stay bolt outer lane and the rotating ring board.
2. A double mechanical seal according to claim 1, wherein: the rotating ring comprises a first sleeve and a second sleeve, the static ring is abutted to the first sleeve, and the static ring is arranged between the static ring sleeve and the rotating shaft to leave a gap.
3. A double mechanical seal according to claim 2, wherein: the second sleeve is abutted to the left sleeve, an O-shaped sealing ring is arranged between the second sleeve and the left sleeve, and a T-shaped sealing ring is arranged between the right sleeve and the annular notch.
4. A double mechanical seal according to any of claims 1-3, wherein: the long bolt comprises a nut and a screw rod, and an external thread is arranged on the screw rod at one end of the nut.
5. A double mechanical seal according to any of claims 1-3, wherein: still include quiet ring seal circle, lid and quiet ring housing between be equipped with the seal groove that is used for installing quiet ring seal circle, be equipped with the bead that equidistant setting was equipped with on the quiet ring seal circle outer wall, be equipped with on the inner wall of seal groove with the concave violently of bead position one-to-one.
6. A double mechanical seal according to claim 5, wherein: the static ring sealing ring is made of chloroprene rubber or nitrile rubber.
7. A double mechanical seal according to claim 1, wherein: the corrugated pipe is made of transparent plastics.
8. A double mechanical seal according to claim 1, wherein: the cover body is fixedly connected with the static ring sleeve through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921027435.XU CN210949862U (en) | 2019-07-03 | 2019-07-03 | Double-end-face mechanical sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921027435.XU CN210949862U (en) | 2019-07-03 | 2019-07-03 | Double-end-face mechanical sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210949862U true CN210949862U (en) | 2020-07-07 |
Family
ID=71394667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921027435.XU Expired - Fee Related CN210949862U (en) | 2019-07-03 | 2019-07-03 | Double-end-face mechanical sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210949862U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115126682A (en) * | 2022-07-29 | 2022-09-30 | 四川金星清洁能源装备股份有限公司 | High strength CNG compressor bearing structure |
-
2019
- 2019-07-03 CN CN201921027435.XU patent/CN210949862U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115126682A (en) * | 2022-07-29 | 2022-09-30 | 四川金星清洁能源装备股份有限公司 | High strength CNG compressor bearing structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20200707 |