CN210661365U - Mechanical sealing device of stirrer - Google Patents
Mechanical sealing device of stirrer Download PDFInfo
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- CN210661365U CN210661365U CN201921495149.6U CN201921495149U CN210661365U CN 210661365 U CN210661365 U CN 210661365U CN 201921495149 U CN201921495149 U CN 201921495149U CN 210661365 U CN210661365 U CN 210661365U
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- rotating ring
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Abstract
The utility model provides an agitator mechanical seal device, including quiet ring, the shock attenuation rotating ring subassembly is hugged closely to quiet ring right-hand member, the first spring of shock attenuation rotating ring subassembly right-hand member installation, the solid fixed ring of first spring right-hand member installation, the shock attenuation rotating ring subassembly includes the rotating ring, be equipped with O shape sealing washer on the rotating ring annular inner wall, the fixed external ring in rotating ring annular outer end, outside ring annular outer end installation activity annular section of thick bamboo and external ring extend to activity annular section of thick bamboo inside, evenly be equipped with two at least second springs between activity annular section of thick bamboo annular inner wall and the second spring annular outer end, the fixed ball in activity annular section of thick bamboo annular outer end, both ends are laminated with quiet ring and first spring respectively about the rotating ring, the utility model discloses rational in infrastructure has improved sealed effect, has reduced the probability of taking place to leak.
Description
Technical Field
The utility model relates to a stirrer mechanical seal device belongs to mechanical seal technical field.
Background
The mechanical seal is a device for preventing fluid leakage, which is formed by at least one pair of end faces perpendicular to the rotation axis, and the end faces are kept in fit and relatively slide under the action of fluid pressure and the elastic force (or magnetic force) of a compensation mechanism and the cooperation of an auxiliary seal.
Sometimes, in the working process of the stirrer, because the axial movement amount of the rotor shaft is too large, the moving ring is not close to compensate the displacement and the sealing ring is not close to the moving ring, so that intermittent leakage of mechanical seal is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a not enough to prior art exists, the utility model aims at providing an agitator mechanical seal device to the agitator that proposes in solving above-mentioned background art can be because rotor shaft axial is scurried the volume too big sometimes in the course of the work, and the rotating ring comes too little compensation displacement, sealing washer and rotating ring and does not paste tightly, thereby leads to mechanical seal to produce the problem of intermittent type nature leakage, the utility model discloses rational in infrastructure has improved sealed effect, has reduced the probability that takes place to leak.
In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides an agitator mechanical seal device, includes quiet ring, the shock attenuation rotating ring subassembly is hugged closely to quiet ring right-hand member, the first spring of shock attenuation rotating ring subassembly right-hand member installation, the solid fixed ring of first spring right-hand member installation, the shock attenuation rotating ring subassembly includes the rotating ring, be equipped with O shape sealing washer on the rotating ring annular inner wall, the fixed external ring in rotating ring annular outer end, inside external ring annular outer end installation activity annular section of thick bamboo and external ring extended to activity annular section of thick bamboo, evenly be equipped with two at least second springs between activity annular section of thick bamboo annular inner wall and the second spring annular outer end, the fixed ball in activity annular section of thick bamboo annular outer end, both ends are laminated with quiet ring and first spring respectively about the rotating ring.
Further, quiet ring includes narrow cylinder and fixes the wide cylinder at narrow cylinder right-hand member, and narrow cylinder is the same with wide cylindrical internal diameter, the narrow cylinder annular outer end of quiet ring is equipped with the end cover, the circular slot is seted up to end cover annular inner wall right position, be equipped with quiet ring rubber gasket between circular slot inner wall and the narrow cylinder annular outer end, quiet ring rubber gasket is established at the wide cylinder left end of quiet ring.
Furthermore, the right end of the end cover is provided with a stirring box body, an annular groove is formed in the end face, in contact with the stirring box body, of the end cover, a gasket is arranged inside the annular groove, the gasket is arranged at the left end of the stirring box body, the left end of the end cover is connected with the stirring box body through at least four bolts, and the at least four bolts are arranged on the outer side of the gasket.
Further, be equipped with the (mixing) shaft in the outerconness of agitator tank left end, quiet ring, rotating ring, first spring and solid fixed ring all suit are in (mixing) shaft annular outer end, quiet ring, rotating ring, first spring and solid fixed ring all establish inside the agitator tank.
Furthermore, an accommodating groove is formed in the annular inner wall of the movable ring, an O-shaped sealing ring is arranged in the accommodating groove, and the O-shaped sealing ring is sleeved at the annular outer end of the stirring shaft.
Further, the fixed ring is fixedly connected with the stirring shaft through at least two screws.
Further, the ball is equipped with two at least, two at least the ball all with the outer contact hole inner wall laminating of agitator tank.
Further, the activity annular section of thick bamboo includes that first annular plate and symmetry fix two second annular plates at first annular plate left and right ends, first annular plate annular inner wall and two at least second spring fixed connection, two the second annular plate is laminated with external ring left end face and right-hand member face respectively.
The utility model has the advantages that: the utility model relates to a mechanical sealing device of a stirrer, which limits the left end of a movable ring through a static ring, limits the right end of the movable ring through a fixed ring and a first spring in a compressed state, and simultaneously, because the elastic force of the first spring extrudes a damping movable ring component, when the fixed ring fixed at the annular outer end of a stirring shaft rotates, the first spring and the damping movable ring component can synchronously rotate with the stirring shaft, the balls are attached to the inner wall of an external hole of a stirring box body in the rotation process of the stirring shaft, a telescopic structure consisting of an external ring, a second spring and a movable annular cylinder between the movable ring and the balls can realize the damping function when the stirring shaft has larger play, the play amplitude is reduced, in addition, the second spring in a continuous compressed state has the elastic force, and the elastic force uniformly acts on the movable ring through the external ring, make the rotating ring closely laminate with O shape sealing washer, reduced the probability that takes place to leak, the design of ball is convenient for the relative rotation of rotating ring and agitator tank body in addition.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of a mechanical sealing device of a stirrer according to the present invention;
FIG. 2 is a schematic view of a vibration damping ring assembly of a mechanical seal device for a mixer according to the present invention;
fig. 3 is a schematic view of a movable annular cylinder in the mechanical sealing device of the agitator of the present invention.
In the figure: 1-static ring, 2-damping moving ring component, 3-first spring, 4-fixed ring, 5-stirring shaft, 6-stirring box, 7-end cover, 21-moving ring, 22-external circular ring, 23-second spring, 24-rolling ball, 25-movable annular cylinder, 26-O-shaped sealing ring, 251-first annular plate and 252-second annular plate.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a stirrer mechanical seal device, includes quiet ring 1, and 1 right-hand member of quiet ring is hugged closely shock attenuation rotating ring subassembly 2, and first spring 3 of 2 right-hand members of shock attenuation rotating ring subassembly, the solid fixed ring 4 of 3 right-hand members of first spring installation.
Damping rotating ring subassembly 2 includes rotating ring 21, be equipped with O shape sealing washer 26 on the rotating ring 21 annular inner wall, O shape sealing washer 26 has realized sealed function, the fixed external ring 22 of rotating ring 21 annular outer end, external ring 22 annular outer end installation activity annular section of thick bamboo 25 and external ring 22 extend to activity annular section of thick bamboo 25 inside, evenly be equipped with two at least second springs 23 between activity annular section of thick bamboo 25 annular inner wall and the second spring 23 annular outer end, second spring 23 is in compression state, be convenient for carry out the even extrusion to rotating ring 21, make rotating ring 21 closely laminate with O shape sealing washer 26, it is sealed effectual, the fixed ball 24 of activity annular section of thick bamboo 25 annular outer end, both ends are laminated with quiet ring 1 and first spring 3 respectively about rotating ring 21, ball 24 is convenient for rotating ring 21 and the external hole inner wall of agitator tank 6 to produce relative rotation.
Quiet ring 1 includes narrow cylinder and fixes the wide cylinder at narrow cylinder right-hand member, and narrow cylinder is the same with wide cylindrical internal diameter, quiet ring 1's narrow cylinder annular outer end is equipped with end cover 7, the circular slot is seted up to 7 annular inner wall right positions of end cover, be equipped with quiet ring rubber gasket between circular slot inner wall and the narrow cylinder annular outer end, quiet ring rubber gasket is established at quiet ring 1's wide cylinder left end, the wide quiet ring 1 in the narrow right side in a left side and end cover 7 cooperation installation, carry on spacingly through end cover 7 to quiet ring 1 left end.
The right end of the end cover 7 is provided with the stirring box body 6, the end face, contacting with the stirring box body 6, of the end cover 7 is provided with an annular groove, a gasket is arranged inside the annular groove and is arranged at the left end of the stirring box body 6, the left end of the end cover 7 is connected with the stirring box body 6 through at least four bolts, and the at least four bolts are arranged on the outer side of the gasket, so that the end cover 7 is conveniently connected with the stirring box body 6.
Be equipped with (mixing) shaft 5 in the outer hole that connects of 6 left ends of agitator tank body, quiet ring 1, rotating ring 21, first spring 3 and solid fixed ring 4 all suit are in (mixing) shaft 5 annular outer end, and quiet ring 1, rotating ring 21, first spring 3 and solid fixed ring 4 all establish inside agitator tank body 6, utilize quiet ring 1, shock attenuation rotating ring subassembly 2, first spring 3 and solid fixed ring 4 to seal between (mixing) shaft 5 and agitator tank body 6 and the end cover 7.
The holding tank is seted up to rotating ring 21 annular inner wall, and O shape sealing washer 26 is established inside the holding tank, and O shape sealing washer 26 suit has realized sealing function at the 5 annular outer ends of (mixing) shaft, O shape sealing washer 26, and the O shape sealing washer 26 is convenient for place to the holding tank.
The fixing ring 4 is fixedly connected with the stirring shaft 5 through at least two screws, so that the fixing ring 4 is fixedly connected with the stirring shaft 5.
The ball 24 is equipped with at least two, and at least two balls 24 all laminate with the outer contact hole inner wall of agitator tank 6, the relative rotation of the shock attenuation rotating ring subassembly 2 of being convenient for and agitator tank 6.
The movable annular cylinder 25 comprises a first annular plate 251 and two second annular plates 252 symmetrically fixed at the left end and the right end of the first annular plate 251, the annular inner wall of the first annular plate 251 is fixedly connected with at least two second springs 23, the two second annular plates 252 are respectively attached to the left end face and the right end face of the external circular ring 22, when the movable annular cylinder is assembled, the second springs 23 are fixedly connected with the annular outer end of the external circular ring 22, the second springs 23 are fixedly connected with the inner wall of the first annular plate 251, the two second annular plates 252 are connected with the first annular plate 251, and the movable annular cylinder 25 and the second springs 23 are convenient to assemble.
The working principle is as follows: the static ring 1 is arranged at the left end of the movable ring 21, the end cover 7 is arranged at the left end of the static ring 1, the end cover 7 is fixedly connected with the stirring box body 6 to limit the left end of the static ring 1, so that the left end of the movable ring 21 is limited, the right end of the movable ring 21 is limited by the first spring 3 and the fixing ring 4 which are in a compressed state, meanwhile, the damping movable ring component 2 is extruded by the elasticity of the first spring 3, so that when the fixing ring 4 fixed at the annular outer end of the stirring shaft 5 rotates along with the stirring shaft 5, the first spring 3 and the damping movable ring component 2 can synchronously rotate with the stirring shaft 5, in the rotating process of the stirring shaft 5, the telescopic structure formed by the external circular ring 22 between the movable ring 21 and the ball 24, the second spring 23 and the movable annular cylinder 25 can realize the damping function by utilizing the elasticity of the second spring 23 when the stirring shaft 5 has larger play, thereby reducing the play amplitude of the stirring shaft 5, in addition, the second spring 23 which is continuously in a compressed state has elastic force, the elastic force is uniformly acted on the movable ring 21 through the external circular ring 22, the movable ring 21 is tightly attached to the O-shaped sealing ring 26, the movable ring 21 is prevented from being separated from the O-shaped sealing ring 26 at a certain position, the leakage probability is reduced, and the design of the balls 24 is convenient for the relative rotation of the movable ring 21 and the stirring box body 6.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A mechanical sealing device for a stirrer comprises a static ring (1), and is characterized in that: the right end of the static ring (1) is tightly attached to the damping moving ring component (2), the right end of the damping moving ring component (2) is provided with a first spring (3), and the right end of the first spring (3) is provided with a fixed ring (4);
damping rotating ring subassembly (2) include rotating ring (21), be equipped with O shape sealing washer (26) on rotating ring (21) annular inner wall, rotating ring (21) fixed external ring (22) in annular outer end, external ring (22) annular outer end installation activity annular section of thick bamboo (25) and external ring (22) extend to activity annular section of thick bamboo (25) inside, evenly be equipped with two at least second spring (23) between activity annular section of thick bamboo (25) annular inner wall and second spring (23) annular outer end, the fixed ball (24) in activity annular section of thick bamboo (25) annular outer end, both ends are laminated with quiet ring (1) and first spring (3) respectively about rotating ring (21).
2. A mechanical seal for a mixer as defined in claim 1, wherein: quiet ring (1) includes narrow cylinder and fixes the wide cylinder at narrow cylinder right-hand member, and narrow cylinder is the same with wide cylindrical internal diameter, the narrow cylinder annular outer end of quiet ring (1) is equipped with end cover (7), circular slot is seted up to end cover (7) annular inner wall right part position, be equipped with quiet ring rubber gasket between circular slot inner wall and the narrow cylinder annular outer end, quiet ring rubber gasket is established at the wide cylinder left end of quiet ring (1).
3. A mechanical seal for a mixer as defined in claim 2, wherein: the stirring box body (6) is installed at the right end of the end cover (7), an annular groove is formed in the end face, in contact with the stirring box body (6), of the end cover (7), a gasket is arranged inside the annular groove and installed at the left end of the stirring box body (6), the left end of the end cover (7) is connected with the stirring box body (6) through at least four bolts, and the bolts are all arranged on the outer side of the gasket.
4. A mechanical seal for a mixer as set forth in claim 3 wherein: be equipped with (mixing) shaft (5) in the outer hole that connects of agitator tank (6) left end, quiet ring (1), rotating ring (21), first spring (3) and solid fixed ring (4) all the suit in (mixing) shaft (5) annular outer end, quiet ring (1), rotating ring (21), first spring (3) and solid fixed ring (4) are all established inside agitator tank (6).
5. A mechanical seal for a mixer as set forth in claim 4, wherein: the annular inner wall of the movable ring (21) is provided with an accommodating groove, the O-shaped sealing ring (26) is arranged in the accommodating groove, and the O-shaped sealing ring (26) is sleeved at the annular outer end of the stirring shaft (5).
6. A mechanical seal for a mixer as set forth in claim 4, wherein: the fixing ring (4) is fixedly connected with the stirring shaft (5) through at least two screws.
7. A mechanical seal for a mixer as set forth in claim 4, wherein: the ball (24) are provided with at least two, at least two the ball (24) are all attached to the inner wall of the outer connecting hole of the stirring box body (6).
8. A mechanical seal for a mixer as defined in claim 1, wherein: the movable annular cylinder (25) comprises a first annular plate (251) and two second annular plates (252) symmetrically fixed at the left end and the right end of the first annular plate (251), the annular inner wall of the first annular plate (251) is fixedly connected with at least two second springs (23), and the two second annular plates (252) are attached to the left end face and the right end face of the external circular ring (22) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921495149.6U CN210661365U (en) | 2019-09-10 | 2019-09-10 | Mechanical sealing device of stirrer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921495149.6U CN210661365U (en) | 2019-09-10 | 2019-09-10 | Mechanical sealing device of stirrer |
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| Publication Number | Publication Date |
|---|---|
| CN210661365U true CN210661365U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921495149.6U Active CN210661365U (en) | 2019-09-10 | 2019-09-10 | Mechanical sealing device of stirrer |
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| CN (1) | CN210661365U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112191136A (en) * | 2020-08-25 | 2021-01-08 | 和县薛氏木制品制造有限公司 | Efficient energy-saving glue stirring machine and rotary sealing device thereof |
-
2019
- 2019-09-10 CN CN201921495149.6U patent/CN210661365U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112191136A (en) * | 2020-08-25 | 2021-01-08 | 和县薛氏木制品制造有限公司 | Efficient energy-saving glue stirring machine and rotary sealing device thereof |
| CN112191136B (en) * | 2020-08-25 | 2023-11-10 | 和县薛氏木制品制造有限公司 | High-efficiency energy-saving glue stirring machine |
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