CN204327985U - Double end-face mechanical sealing device - Google Patents
Double end-face mechanical sealing device Download PDFInfo
- Publication number
- CN204327985U CN204327985U CN201420807718.7U CN201420807718U CN204327985U CN 204327985 U CN204327985 U CN 204327985U CN 201420807718 U CN201420807718 U CN 201420807718U CN 204327985 U CN204327985 U CN 204327985U
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- CN
- China
- Prior art keywords
- seat
- ring
- stationary
- axle sleeve
- rotating
- 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 abstract description 34
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 230000007423 decrease Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Mechanical Sealing (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The utility model discloses a kind of double end-face mechanical sealing device, there is compact structure, stable transmission and the feature of long service life.It comprises set gradually from inside to outside rotating shaft, axle sleeve and sealing seat, axle sleeve is from left to right set with retaining ring, left rotating seat, left stationary seat, spring seat, right stationary seat and right rotating seat successively, left rotating seat is provided with left rotating ring, left stationary seat is provided with the left stationary ring corresponding with left rotating ring; Right stationary seat is provided with right stationary ring, right rotating seat is provided with the right rotating ring coordinated with right stationary ring; Spring seat two ends are provided with the bearing pin of parallel shaft axis, and bearing pin is provided with goring push spring; Axle sleeve right part is provided with flat position, is provided with the flat position that position flat with this is corresponding inside right rotating seat.Double end-face mechanical sealing device of the present utility model, by the cooperation of flat position, bearing pin, retaining ring etc., makes whole device have compact structure, stable transmission and the feature of long service life.
Description
Technical field
The utility model relates to a kind of mechanical seal, is especially a kind ofly mainly used in compact structure in coal separation industry needed for Pulp pump, stable transmission and the double end-face mechanical sealing device of long service life.
Background technique
At present, what be widely used in coal separation industry is Pulp pump double end-face mechanical sealing device, in use, often cause the easy abrasion of drive mechanism some mechanical component and damage because the starting of its main process equipment (Pulp pump) is very frequent, so its life-span is greatly limited, the effect that most mechanical seal uses at the scene is not ideal.
Model utility content
In order to overcome above-mentioned existing technological deficiency, the purpose of this utility model is: provide a kind of compact structure, stable transmission and the double end-face mechanical sealing device of long service life.
In order to achieve the above object, the utility model is achieved through the following technical solutions: double end-face mechanical sealing device, comprise set gradually from inside to outside rotating shaft, axle sleeve and sealing seat, axle sleeve is from left to right set with retaining ring, left rotating seat, left stationary seat, spring seat, right stationary seat and right rotating seat successively, described left rotating seat is provided with left rotating ring, left stationary seat is provided with the left stationary ring corresponding with left rotating ring; Described right stationary seat is provided with right stationary ring, right rotating seat is provided with the right rotating ring coordinated with right stationary ring; Described spring seat two ends are provided with the bearing pin of parallel shaft axis, and bearing pin is provided with goring push spring; Described axle sleeve right part is provided with flat position, is provided with the flat position that position flat with this is corresponding inside right rotating seat.
Described retaining ring inner ring arranges pin-and-hole, axle sleeve is provided with the groove corresponding with pin-and-hole, is combined with stop pin between pin-and-hole and groove.
Described sealing seat left side is connected with positioning plate by socket head screw.
Between described left rotating seat and axle sleeve, between right rotating seat and axle sleeve, between left stationary seat and sealing seat and between right stationary seat and sealing seat, be provided with rubber seal.
Axle sleeve offers the circular groove be positioned on the left of retaining ring, and this circular groove is combined with corresponding circlip.
The beneficial effects of the utility model are: double end-face mechanical sealing device of the present utility model, by the cooperation of flat position, bearing pin, retaining ring etc., make whole device have compact structure, stable transmission and the feature of long service life.Because described retaining ring inner ring arranges pin-and-hole, axle sleeve is provided with the groove corresponding with pin-and-hole, between pin-and-hole and groove, is combined with stop pin, by the transmission of stop pin, higher compared with common screw transmission stability.Because described sealing seat left side is connected with positioning plate by socket head screw, facilitate whole device location when mounted, improve installation precision and efficiency, extend the working life of whole device.Due between described left rotating seat and axle sleeve, be provided with rubber seal between right rotating seat and axle sleeve, between left stationary seat and sealing seat and between right stationary seat and sealing seat, improve sealability, extend the working life of whole device.Owing to offering the circular groove be positioned on the left of retaining ring on axle sleeve, this circular groove is combined with corresponding circlip, decreases the wearing and tearing vibrated and cause axle sleeve, extends working life.
Accompanying drawing explanation
Fig. 1 is the structural representation of double end-face mechanical sealing device of the present utility model;
In figure, 1-rubber seal, 2-right rotating seat, 3-right stationary seat, 6-bearing pin, 7-spring seat, 10-left stationary seat, 11-socket head screw, 12-positioning plate, 14-circlip, 16-retaining ring, 18-left rotating seat, 20-sealing seat, 21-goring push spring, 22-axle sleeve.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described, but protection domain of the present utility model is not limited to the following stated.
As shown in Figure 1, double end-face mechanical sealing device of the present utility model, comprise set gradually from inside to outside rotating shaft, axle sleeve 22 and sealing seat 20, axle sleeve 22 is from left to right set with retaining ring 16, left rotating seat 18, left stationary seat 10, spring seat 7, right stationary seat 3 and right rotating seat 2 successively, described left rotating seat 18 is provided with left rotating ring, left stationary seat 10 is provided with the left stationary ring corresponding with left rotating ring; Described right stationary seat 3 is provided with right stationary ring, right rotating seat 2 is provided with the right rotating ring coordinated with right stationary ring; Described spring seat 7 two ends are provided with the bearing pin 6 of parallel shaft axis, and bearing pin 6 is provided with goring push spring 21; Described axle sleeve 22 right part is provided with flat position, is provided with flat position corresponding to position flat with this inside right rotating seat 2.Double end-face mechanical sealing device of the present utility model, by the cooperation of flat position, bearing pin 6, retaining ring 16 etc., makes whole device have compact structure, stable transmission and the feature of long service life.The design of bearing pin 6, has more stability compared with plain screw Placement, connects and also facilitates, and goring push spring 21 is sleeved on this bearing pin 6, moment applies outside thrust, to ensure that between left rotating ring and left stationary ring and moment close contact between right rotating ring and right stationary ring, improves sealability.The design of flat position, connects more stable compared with plain screw, decreases the damage that frequent starting causes, extend the working life of whole device.
As preferably, described retaining ring 16 inner ring arranges pin-and-hole, and axle sleeve 22 is provided with the groove corresponding with pin-and-hole, stop pin is combined with between pin-and-hole and groove, by the transmission of stop pin, higher compared with common screw transmission stability, extend working life.
As preferably, described sealing seat 20 left side is connected with positioning plate 12 by socket head screw 11, facilitates whole device location when mounted, improves installation precision and efficiency, extend the working life of whole device.
As preferably, between described left rotating seat 18 and axle sleeve 22, between right rotating seat 2 and axle sleeve 22, between left stationary seat 10 and sealing seat 20 and between right stationary seat 3 and sealing seat 20, be provided with rubber seal 1, improve sealability, extend the working life of whole device.
As preferably, axle sleeve 22 offers the circular groove be positioned on the left of retaining ring 16, this circular groove is combined with corresponding circlip 14, decreases in frequent starting process and vibrates the wearing and tearing caused axle sleeve 22 when using, extending working life.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. double end-face mechanical sealing device, it is characterized in that: comprise set gradually from inside to outside rotating shaft, axle sleeve (22) and sealing seat (20), axle sleeve (22) is from left to right set with retaining ring (16), left rotating seat (18), left stationary seat (10), spring seat (7), right stationary seat (3) and right rotating seat (2) successively, described left rotating seat (18) is provided with left rotating ring, left stationary seat (10) is provided with the left stationary ring corresponding with left rotating ring; Described right stationary seat (3) is provided with right stationary ring, right rotating seat (2) is provided with the right rotating ring coordinated with right stationary ring; Described spring seat (7) two ends are provided with the bearing pin (6) of parallel shaft axis, and bearing pin (6) is provided with goring push spring (21); Described axle sleeve (22) right part is provided with flat position, and right rotating seat (2) inner side is provided with flat position corresponding to position flat with this.
2. double end-face mechanical sealing device according to claim 1, it is characterized in that: described retaining ring (16) inner ring arranges pin-and-hole, axle sleeve (22) is provided with the groove corresponding with pin-and-hole, between pin-and-hole and groove, is combined with stop pin.
3. double end-face mechanical sealing device according to claim 1 and 2, is characterized in that: described sealing seat (20) left side is connected with positioning plate (12) by socket head screw (11).
4. double end-face mechanical sealing device according to claim 3, is characterized in that: between described left rotating seat (18) and axle sleeve (22), be provided with rubber seal (1) between right rotating seat (2) and axle sleeve (22), between left stationary seat (10) and sealing seat (20) and between right stationary seat (3) and sealing seat (20).
5. double end-face mechanical sealing device according to claim 4, is characterized in that: on axle sleeve (22), offer the circular groove being positioned at retaining ring (16) left side, this circular groove is combined with corresponding circlip (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420807718.7U CN204327985U (en) | 2014-12-18 | 2014-12-18 | Double end-face mechanical sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420807718.7U CN204327985U (en) | 2014-12-18 | 2014-12-18 | Double end-face mechanical sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204327985U true CN204327985U (en) | 2015-05-13 |
Family
ID=53164346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420807718.7U Expired - Fee Related CN204327985U (en) | 2014-12-18 | 2014-12-18 | Double end-face mechanical sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204327985U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237037A (en) * | 2018-09-28 | 2019-01-18 | 安徽安密机械密封有限公司 | A kind of mechanical sealing element of kettle and its manufacturing process |
-
2014
- 2014-12-18 CN CN201420807718.7U patent/CN204327985U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237037A (en) * | 2018-09-28 | 2019-01-18 | 安徽安密机械密封有限公司 | A kind of mechanical sealing element of kettle and its manufacturing process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SICHUAN DAN ROSS ENVIRONMENTAL TECHNOLOGY CO., LTD Free format text: FORMER NAME: SICHUAN DAN ROSS MECHANICAL SALES CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 643000 Zigong City, Sichuan province gongjingou Xiao Xi Jie Dong Bridge neighborhood 6 groups Patentee after: SICHUAN DAN ROSS ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Address before: 643000 Zigong City, Sichuan province gongjingou Xiao Xi Jie Dong Bridge neighborhood 6 groups Patentee before: SICHUAN DINOSAUR MECHANICAL SALES Co.,Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 643000 Zigong province Sichuan City Yantan Industrial Park Huixin Road No. 1 Patentee after: SICHUAN DAN ROSS ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Address before: 643000 Zigong City, Sichuan province gongjingou Xiao Xi Jie Dong Bridge neighborhood 6 groups Patentee before: SICHUAN DAN ROSS ENVIRONMENTAL TECHNOLOGY Co.,Ltd. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160901 Address after: 610000 Sichuan Province, Chengdu Tianfu Avenue North 1700 No. 2 Building 1 unit 15 Building No. 1501 Patentee after: Chengdu Environmental Protection Technology Co.,Ltd. Dan Ross Address before: 643000 Zigong province Sichuan City Yantan Industrial Park Huixin Road No. 1 Patentee before: SICHUAN DAN ROSS ENVIRONMENTAL TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 |