CN204403385U - A kind of magnetic fluid mechanical seal drive mechanism - Google Patents
A kind of magnetic fluid mechanical seal drive mechanism Download PDFInfo
- Publication number
- CN204403385U CN204403385U CN201520055811.1U CN201520055811U CN204403385U CN 204403385 U CN204403385 U CN 204403385U CN 201520055811 U CN201520055811 U CN 201520055811U CN 204403385 U CN204403385 U CN 204403385U
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- ring
- stationary ring
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- magnetic pole
- stationary
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- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model discloses a kind of magnetic fluid mechanical seal drive mechanism, comprise transmission shaft, magnetic current dust seal sub-assembly, stationary ring, rotating ring and elastic component; Wherein, stationary ring comprises the first stationary ring and the second stationary ring, seal ring is provided with outside stationary ring, first stationary ring and the second stationary ring are removably connected by screw, and the first stationary ring towards the side of the second stationary ring, the second stationary ring all arranges groove towards the side of the first stationary ring, establish elastic component in groove, in elastic component, establish spring; Described rotating ring, elastic component and rotating ring gland form moving ring assembly, and wherein, rotating ring gland abuts mutually with rotating ring, is connected between rotating ring with stationary ring by elastic component; Be provided with magnetic current dust seal sub-assembly at the two ends of described stationary ring and rotating ring, magnetic current dust seal sub-assembly comprises magnetic fluid, magnet, the first magnetic pole and the first magnetic pole; The utility model easy installation and removal, saves material, and sealing effect is better, good dustproof effect.
Description
Technical field
The utility model relates to sealing transmission, specifically a kind of magnetic fluid mechanical seal drive mechanism.
Background technique
Mechanical seal refers to and under the effect of hydrodynamic pressure and compensation mechanism elastic force (or magnetic force) and under the cooperation of auxiliary seal, keeps laminating by least one pair of end face perpendicular to spin axis and relative sliding and device that the anti-fluid that forms is leaked.Mechanical sealing element belongs to one of accurate, that structure is comparatively complicated machine foundation element, is the critical component of the equipment such as various pump class, Reactive Synthesis still, turbocompressor, submersible motor.But Sealing is on the market all a whole set of Sealing substantially to be sold, user's waste that directly discarded Sealing existence is very large when Sealing partial destruction.
Model utility content
The purpose of this utility model is to provide a kind of easy installation and removal, saves material, and sealing effect is better, and the magnetic fluid mechanical seal drive mechanism of good dustproof effect, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technological scheme:
A kind of magnetic fluid mechanical seal drive mechanism, comprises transmission shaft, magnetic current dust seal sub-assembly, stationary ring, rotating ring and elastic component; Wherein, stationary ring comprises the first stationary ring and the second stationary ring, seal ring is provided with outside stationary ring, first stationary ring and the second stationary ring are removably connected by screw, and the first stationary ring towards the side of the second stationary ring, the second stationary ring all arranges groove towards the side of the first stationary ring, establish elastic component in groove, in elastic component, establish spring; Described rotating ring, elastic component and rotating ring gland form moving ring assembly
,wherein, rotating ring gland abuts mutually with rotating ring, is connected between rotating ring with stationary ring by elastic component; Magnetic current dust seal sub-assembly is provided with at the two ends of described stationary ring and rotating ring, magnetic current dust seal sub-assembly comprises magnetic fluid, magnet, the first magnetic pole and the first magnetic pole, wherein, first magnetic pole, the first magnetic pole are positioned at the both sides of magnet, and the magnetic pole being positioned at dust invasion side in the first magnetic pole, the first magnetic pole is that indent is step-like; In the form of a ring, magnet is arranged on the shaft shoulder of magnetic pole indent step by inner ring described magnet, and magnetic fluid is filled in the first magnetic pole, gap between the first magnetic pole and rotatingshaft, and wherein, magnet, the first magnetic pole and the first magnetic pole form magnetic seal assembly; The both sides of described rotatingshaft are provided with the magnetic seal assembly of some groups of parallel arranged; In adjacent described magnetic seal assembly, the polar alignment of magnet is followed successively by: " S ", " N ", " N ", " S ".
Further, the cross section of described rotating ring is L-type.
Further, seal ring is equipped with between described rotating ring and the first stationary ring, the second stationary ring.
Compared with prior art, the utility model easy installation and removal, makes the component in Sealing to change, thus save material, and arrange magnetic current dust seal sub-assembly, seal ring makes sealability also can greatly increase, sealing effect is better, and dust-proof effect is splendid.
Accompanying drawing explanation
Fig. 1 is the structural representation of magnetic fluid mechanical seal drive mechanism of the present utility model.
In figure: 1-transmission shaft, 2-magnetic current dust seal sub-assembly, 21-magnetic fluid, 22-magnet, 23-magnetic seal assembly, 24-first magnetic pole, 25-and the first magnetic pole, 3-first stationary ring, 4-second stationary ring, 5-rotating ring, 6-seal ring, 7-ring gland, 8-screw, 9-spring, 10-elastic component.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, in the utility model embodiment, a kind of magnetic fluid mechanical seal drive mechanism, comprises transmission shaft 1, magnetic current dust seal sub-assembly 2, stationary ring, rotating ring 5 and elastic component 10; Wherein, stationary ring comprises the first stationary ring 3 and the second stationary ring 4, seal ring 6 is provided with outside stationary ring, first stationary ring 3 and the second stationary ring 4 are removably connected by screw 8, and the first stationary ring 3 towards the side of the second stationary ring 4, the second stationary ring 4 all arranges groove towards the side of the first stationary ring 3, establish elastic component 10 in groove, in elastic component 10, establish spring 9; Described rotating ring 5, elastic component 10 and rotating ring gland 7 form moving ring assembly, and the cross section of rotating ring 5 is L-type
,wherein, rotating ring gland 7 abuts mutually with rotating ring 5, and rotating ring 5 is connected by elastic component 10 with between stationary ring; Seal ring 6 is equipped with between described rotating ring 5 and the first stationary ring 3, second stationary ring 4; Magnetic current dust seal sub-assembly 2 is provided with at the two ends of described stationary ring and rotating ring 5, magnetic current dust seal sub-assembly 2 comprises magnetic fluid 21, magnet 22, first magnetic pole 24 and the first magnetic pole 25, wherein, first magnetic pole 24, first magnetic pole 25 is positioned at the both sides of magnet 22, and the magnetic pole being positioned at dust invasion side in the first magnetic pole 24, first magnetic pole 25 is that indent is step-like; Described magnet 22 in the form of a ring, magnet 22 is arranged on the shaft shoulder of magnetic pole indent step by inner ring, and magnetic fluid 21 is filled in the gap between the first magnetic pole 24, first magnetic pole 25 and rotatingshaft 4, wherein, magnet 22, first magnetic pole 24 and the first magnetic pole 25 form magnetic seal assembly 23; The both sides of described rotatingshaft 4 are provided with the magnetic seal assembly 23 of some groups of parallel arranged; In adjacent described magnetic seal assembly 23, the polar alignment of magnet 22 is followed successively by: " S ", " N ", " N ", " S ", and the adjacent setting of polar repulsion, makes magnetic field more closed, magnetic seal better effects if; During installation, first rotating ring 5 is nested in transmission shaft 1, then rotating ring gland 7 is fixed rotating ring 5, then after being connected by spring 9 with the second stationary ring 4 by the first stationary ring 3 of inner sleeve elastic component 10, fixed the position of the first stationary ring 3 and the second stationary ring 4 by screw 8; During dismounting, screw 8 is backed out the rotating ring 5 just can pulling down mechanical sealing element, realize mechanical sealing element convenient disassembly, part replacement is feature easily; Stationary ring in the utility model, rotating ring 5 partner friction pair, and the effect of friction pair prevents dielectric leakage, and rotating ring 5 can axially move neatly, automatic compensation sealing surface wear, make it to fit well with stationary ring, stationary ring has floatability, plays buffer function; The utility model easy installation and removal, component in Sealing can be changed, thus save material, and magnetic current dust seal sub-assembly 2, seal ring 6 are set, sealability also can be increased greatly, and sealing effect is better, simultaneously, in Sealing, component are replaceable, save material.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any reference character in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to mode of execution, but not each mode of execution only comprises an independently technological scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technological scheme in each embodiment also through appropriately combined, can form other mode of executions that it will be appreciated by those skilled in the art that.
Claims (3)
1. a magnetic fluid mechanical seal drive mechanism, comprises transmission shaft (1), magnetic current dust seal sub-assembly (2), stationary ring, rotating ring (5) and elastic component (10); It is characterized in that, stationary ring comprises the first stationary ring (3) and the second stationary ring (4), seal ring (6) is provided with outside stationary ring, first stationary ring (3) and the second stationary ring (4) are removably connected by screw (8), and the first stationary ring (3) towards the side of the second stationary ring (4), the second stationary ring (4) all arranges groove towards the side of the first stationary ring (3), establish elastic component (10) in groove, in elastic component (10), establish spring (9); Described rotating ring (5), elastic component (10) and rotating ring gland (7) form moving ring assembly
,wherein, rotating ring gland (7) abuts mutually with rotating ring (5), and rotating ring (5) is connected by elastic component (10) with between stationary ring; Magnetic current dust seal sub-assembly (2) is provided with at the two ends of described stationary ring and rotating ring (5), magnetic current dust seal sub-assembly (2) comprises magnetic fluid (21), magnet (22), the first magnetic pole (24) and the first magnetic pole (25), wherein, first magnetic pole (24), the first magnetic pole (25) are positioned at the both sides of magnet (22), and the magnetic pole being positioned at dust invasion side in the first magnetic pole (24), the first magnetic pole (25) is that indent is step-like; Described magnet (22) in the form of a ring, magnet (22) is arranged on by inner ring on the shaft shoulder of magnetic pole indent step, and magnetic fluid (21) is filled in the first magnetic pole (24), gap between the first magnetic pole (25) and rotatingshaft (4), wherein, magnet (22), the first magnetic pole (24) form magnetic seal assembly (23) with the first magnetic pole (25); The both sides of described rotatingshaft (4) are provided with the magnetic seal assembly (23) of some groups of parallel arranged; In adjacent described magnetic seal assembly (23), the polar alignment of magnet (22) is followed successively by: " S ", " N ", " N ", " S ".
2. magnetic fluid mechanical seal drive mechanism according to claim 1, is characterized in that, the cross section of described rotating ring (5) is L-type.
3. magnetic fluid mechanical seal drive mechanism according to claim 1, is characterized in that, is equipped with seal ring (6) between described rotating ring (5) and the first stationary ring (3), the second stationary ring (4).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520055811.1U CN204403385U (en) | 2015-01-27 | 2015-01-27 | A kind of magnetic fluid mechanical seal drive mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520055811.1U CN204403385U (en) | 2015-01-27 | 2015-01-27 | A kind of magnetic fluid mechanical seal drive mechanism |
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CN204403385U true CN204403385U (en) | 2015-06-17 |
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CN201520055811.1U Expired - Fee Related CN204403385U (en) | 2015-01-27 | 2015-01-27 | A kind of magnetic fluid mechanical seal drive mechanism |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109027252A (en) * | 2018-09-03 | 2018-12-18 | 广西科技大学 | A kind of dichotomous device for sealing magnetic fluid |
-
2015
- 2015-01-27 CN CN201520055811.1U patent/CN204403385U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109027252A (en) * | 2018-09-03 | 2018-12-18 | 广西科技大学 | A kind of dichotomous device for sealing magnetic fluid |
CN109027252B (en) * | 2018-09-03 | 2020-03-10 | 广西科技大学 | Forked magnetic fluid sealing device |
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Date | Code | Title | Description |
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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: 20150617 Termination date: 20160127 |
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EXPY | Termination of patent right or utility model |