CN204300356U - A kind of novel back-to-back sealing device - Google Patents
A kind of novel back-to-back sealing device Download PDFInfo
- Publication number
- CN204300356U CN204300356U CN201420204114.3U CN201420204114U CN204300356U CN 204300356 U CN204300356 U CN 204300356U CN 201420204114 U CN201420204114 U CN 201420204114U CN 204300356 U CN204300356 U CN 204300356U
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- level
- ring
- gland
- seat
- rotating
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Abstract
The utility model discloses a kind of novel back-to-back sealing device, it relates to petrochemical industry technical field of sealing technology, the inner side of secondary gland is provided with one-level stationary seat, one-level stationary seat is provided with one-level stationary ring, one-level stationary ring is provided with several through hole, the side of one-level stationary seat is provided with one-level rotating seat, one-level rotating seat is provided with one-level rotating ring, and one-level rotating ring is connected with one-level stationary ring, one-level rotating seat is connected with secondary rotating seat by spring base and spring, secondary rotating seat is provided with secondary rotating ring, one end of secondary rotating ring is connected with secondary stationary ring, its structure is simple, good sealing effect, by arranging several through hole in one-level stationary ring, flushing liquor pours and goes out from this through hole, changed by guide ring again and rinse direction, directly can take away the heat of one-level stationary ring, the medium of easy crystallization or easily condensation can also be washed away in the lump, substantially improve the environment of one-level end face, extend its service life.
Description
Technical field:
The utility model relates to a kind of novel back-to-back sealing device, belongs to petrochemical industry technical field of sealing technology.
Background technology:
Back-to-back sealing has the advantage of rotary part discord medium contact, extensively approved in petrochemical industry, but due to reasons in structure, between its one-level stationary ring and rotating shaft, gap is little, easily cause filter medium clogging at this place, especially easily the medium of crystallization or easily condensation, makes the environment of one-level end face worsen, affects its service life.
Utility model content:
For the problems referred to above, the technical problems to be solved in the utility model is to provide a kind of good sealing effect, not easily causes the novel back-to-back sealing device of filter medium clogging.
Back-to-back sealing device of the present utility model, it comprises one-level gland, one-level gland O type circle, secondary gland, secondary gland O type circle, three grades of glands, three grades of gland O type circles, one-level stationary seat, one-level stationary ring O type circle, one-level stationary ring, one-level rotating seat, one-level rotating ring, secondary rotating seat, secondary rotating ring, spring base, spring, secondary stationary ring, secondary stationary ring O type circle, axle sleeve, axle sleeve O type circle, axle sleeve drives screw and locating ring, one-level gland is provided with one-level gland O type circle, one end of one-level gland is provided with secondary gland, and between one-level gland and secondary gland, be provided with secondary gland O type circle, one end of secondary gland is provided with three grades of glands, and between secondary gland and three grades of glands, be provided with three grades of gland O type circles, the inner side of secondary gland is provided with one-level stationary seat, and between secondary gland and one-level stationary seat, be provided with one-level stationary ring O type circle, one-level stationary seat is provided with one-level stationary ring, one-level stationary ring is provided with several through hole, the side of one-level stationary seat is provided with one-level rotating seat, one-level rotating seat is provided with one-level rotating ring, and one-level rotating ring is connected with one-level stationary ring, one-level rotating seat is connected with secondary rotating seat by spring base and spring, secondary rotating seat is provided with secondary rotating ring, one end of secondary rotating ring is connected with secondary stationary ring, secondary stationary ring is arranged on the inner side of three grades of glands, and between secondary stationary ring and three grades of glands, be provided with secondary stationary ring O type circle, axle sleeve is had in the arranged outside of rotating shaft, and between rotating shaft and axle sleeve, be provided with axle sleeve O type circle, one end of axle sleeve is provided with axle sleeve and drives screw, locating ring is arranged on the side that axle sleeve drives screw.
As preferably, between described one-level rotating ring and one-level rotating seat, be provided with one-level rotating ring O type circle, between described secondary rotating ring and secondary rotating seat, be provided with secondary rotating ring O type circle.
The beneficial effects of the utility model: its structure is simple, good sealing effect, by arranging several through hole in one-level stationary ring, flushing liquor pours and goes out from this through hole, changed by guide ring again and rinse direction, directly can take away the heat of one-level stationary ring, the medium of easy crystallization or easily condensation can also be washed away in the lump, substantially improve the environment of one-level end face, extend its service life.
Accompanying drawing illustrates:
For ease of illustrating, the utility model is described in detail by following concrete enforcement and accompanying drawing.
Fig. 1 is the utility model structural representation.
1-one-level gland; 2-one-level gland O type circle; 3-secondary gland; 4-secondary gland O type circle; 5-tri-grades of glands; 6-tri-grades of gland O type circles; 7-one-level stationary seat; 8-one-level stationary ring O type circle; 9-one-level stationary ring; 10-one-level rotating seat; 11-one-level rotating ring; 12-secondary rotating seat; 13-secondary rotating ring; 14-spring base; 15-spring; 16-secondary stationary ring; 17-secondary stationary ring O type circle; 18-axle sleeve; 19-axle sleeve O type circle; 20-axle sleeve drives screw; 21-locating ring; 22-one-level rotating ring O type circle; 23-secondary rotating ring O type circle.
Detailed description of the invention:
As shown in Figure 1, this detailed description of the invention by the following technical solutions: it comprises one-level gland 1, one-level gland O type circle 2, secondary gland 3, secondary gland O type circle 4, three grades of glands 5, three grades of gland O type circles 6, one-level stationary seat 7, one-level stationary ring O type circle 8, one-level stationary ring 9, one-level rotating seat 10, one-level rotating ring 11, secondary rotating seat 12, secondary rotating ring 13, spring base 14, spring 15, secondary stationary ring 16, secondary stationary ring O type circle 17, axle sleeve 18, axle sleeve O type circle 19, axle sleeve drives screw 20 and locating ring 21, one-level gland 1 is provided with one-level gland O type circle 2, one end of one-level gland 1 is provided with secondary gland 3, and between one-level gland 1 and secondary gland 3, be provided with secondary gland O type circle 4, one end of secondary gland 3 is provided with three grades of glands 5, and between secondary gland 3 and three grades of glands 5, be provided with three grades of gland O type circles 6, the inner side of secondary gland 3 is provided with one-level stationary seat 7, and between secondary gland 3 and one-level stationary seat 7, be provided with one-level stationary ring O type circle 8, one-level stationary seat 7 is provided with one-level stationary ring 9, one-level stationary ring 9 is provided with several through hole, the side of one-level stationary seat 7 is provided with one-level rotating seat 10, one-level rotating seat 10 is provided with one-level rotating ring 11, and one-level rotating ring 11 is connected with one-level stationary ring 9, one-level rotating seat 10 is connected with secondary rotating seat 12 by spring base 14 and spring 15, secondary rotating seat 12 is provided with secondary rotating ring 13, one end of secondary rotating ring 13 is connected with secondary stationary ring 16, secondary stationary ring 16 is arranged on the inner side of three grades of glands 5, and between secondary stationary ring 16 and three grades of glands 5, be provided with secondary stationary ring O type circle 17, axle sleeve 18 is had in the arranged outside of rotating shaft, and between rotating shaft and axle sleeve 18, be provided with axle sleeve O type circle 19, one end of axle sleeve 18 is provided with axle sleeve and drives screw 20, locating ring 21 is arranged on the side that axle sleeve drives screw 20.
Wherein, between described one-level rotating ring 11 and one-level rotating seat 10, be provided with one-level rotating ring O type circle 22, between described secondary rotating ring 13 and secondary rotating seat 12, be provided with secondary rotating ring O type circle 23.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. a novel back-to-back sealing device, it is characterized in that: it comprises one-level gland (1), one-level gland O type circle (2), secondary gland (3), secondary gland O type circle (4), three grades of glands (5), three grades of gland O types circle (6), one-level stationary seat (7), one-level stationary ring O type circle (8), one-level stationary ring (9), one-level rotating seat (10), one-level rotating ring (11), secondary rotating seat (12), secondary rotating ring (13), spring base (14), spring (15), secondary stationary ring (16), secondary stationary ring O type circle (17), axle sleeve (18), axle sleeve O type circle (19), axle sleeve drives screw (20) and locating ring (21), one-level gland (1) is provided with one-level gland O type circle (2), one end of one-level gland (1) is provided with secondary gland (3), and secondary gland O type circle (4) is provided with between one-level gland (1) and secondary gland (3), one end of secondary gland (3) is provided with three grades of glands (5), and three grades of gland O types circle (6) are provided with between secondary gland (3) and three grades of glands (5), the inner side of secondary gland (3) is provided with one-level stationary seat (7), and one-level stationary ring O type circle (8) is provided with between secondary gland (3) and one-level stationary seat (7), one-level stationary seat (7) is provided with one-level stationary ring (9), (9) are provided with several through hole to one-level stationary ring, the side of one-level stationary seat (7) is provided with one-level rotating seat (10), one-level rotating seat (10) is provided with one-level rotating ring (11), and one-level rotating ring (11) is connected with one-level stationary ring (9), one-level rotating seat (10) is connected with secondary rotating seat (12) by spring base (14) and spring (15), secondary rotating seat (12) is provided with secondary rotating ring (13), one end of secondary rotating ring (13) is connected with secondary stationary ring (16), secondary stationary ring (16) is arranged on the inner side of three grades of glands (5), and be provided with secondary stationary ring O type circle (17) between secondary stationary ring (16) and three grades of glands (5), axle sleeve (18) is had in the arranged outside of rotating shaft, and axle sleeve O type circle (19) is provided with between rotating shaft and axle sleeve (18), one end of axle sleeve (18) is provided with axle sleeve and drives screw (20), locating ring (21) is arranged on the side that axle sleeve drives screw (20).
2. the novel back-to-back sealing device of one according to claim 1, it is characterized in that being provided with one-level rotating ring O type circle (22) between described one-level rotating ring (11) and one-level rotating seat (10), between described secondary rotating ring (13) and secondary rotating seat (12), be provided with secondary rotating ring O type circle (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420204114.3U CN204300356U (en) | 2014-04-24 | 2014-04-24 | A kind of novel back-to-back sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420204114.3U CN204300356U (en) | 2014-04-24 | 2014-04-24 | A kind of novel back-to-back sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204300356U true CN204300356U (en) | 2015-04-29 |
Family
ID=53105897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420204114.3U Expired - Fee Related CN204300356U (en) | 2014-04-24 | 2014-04-24 | A kind of novel back-to-back sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204300356U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730225A (en) * | 2018-06-02 | 2018-11-02 | 芜湖市中天密封件有限公司 | A kind of non-contact chemical industry pump seal of modified |
| CN108730224A (en) * | 2018-06-02 | 2018-11-02 | 芜湖市中天密封件有限公司 | A kind of non-contact chemical industry pump seal |
| CN108757483A (en) * | 2018-06-02 | 2018-11-06 | 芜湖市中天密封件有限公司 | A kind of efficiently non-contact chemical industry pump seal |
-
2014
- 2014-04-24 CN CN201420204114.3U patent/CN204300356U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730225A (en) * | 2018-06-02 | 2018-11-02 | 芜湖市中天密封件有限公司 | A kind of non-contact chemical industry pump seal of modified |
| CN108730224A (en) * | 2018-06-02 | 2018-11-02 | 芜湖市中天密封件有限公司 | A kind of non-contact chemical industry pump seal |
| CN108757483A (en) * | 2018-06-02 | 2018-11-06 | 芜湖市中天密封件有限公司 | A kind of efficiently non-contact chemical industry pump seal |
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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: 20150429 Termination date: 20160424 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |