CN210050299U - Sealing device with dirt throwing groove - Google Patents
Sealing device with dirt throwing groove Download PDFInfo
- Publication number
- CN210050299U CN210050299U CN201920582613.9U CN201920582613U CN210050299U CN 210050299 U CN210050299 U CN 210050299U CN 201920582613 U CN201920582613 U CN 201920582613U CN 210050299 U CN210050299 U CN 210050299U
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- shaft sleeve
- groove
- dirt
- movable ring
- pin
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Abstract
The utility model discloses a sealing device with a dirt throwing groove, wherein a shaft sleeve is connected on a main shaft through a key groove, a static ring is arranged in a flange through a pin, and the flange is connected with a main machine shell through a bolt; the movable ring is connected with the movable ring seat through a pin; the movable ring seat is provided with a pin for assembling the shaft sleeve and the movable ring seat together to transmit torque, the shaft sleeve is uniformly provided with a plurality of springs along the circumference, the springs are propped against the movable ring seat, the springs pressurize the movable ring and the static ring to enable two end faces to be attached together to form a main seal, and a dirt throwing groove is formed in one end face, contacting with the impeller on the main shaft, of the shaft sleeve. The dovetail groove dirt throwing groove is formed in the end face of the shaft sleeve, so that deposited dirt between the impeller and the sealing device can be discharged when the main machine works, sealing is protected, and the service life of sealing is prolonged.
Description
Technical Field
The utility model relates to a mechanical seal technical field, concretely relates to sealing device in dirty groove is thrown in area.
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. The spring loading mechanism and the auxiliary seal are mechanical seals of a metal bellows, which are called metal bellows seals. In light sealing, a rubber corrugated pipe is used as auxiliary sealing, the elasticity of the rubber corrugated pipe is limited, and a spring is generally required to be supplemented to meet the loading elasticity. "mechanical seal" is often referred to by one as "mechanical seal" for short. The mechanical sealing part belongs to one of precise mechanical basic elements with complex structures and is a key part of equipment such as various pumps, reaction synthesis kettles, turbine compressors, submersible motors and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a sealing device in dirty groove is thrown in area is provided.
The utility model discloses the technical problem that will solve adopts following technical scheme to realize:
the sealing device with the dirt throwing groove comprises,
the shaft sleeve is connected to the main shaft through a key groove, and a static ring, a dynamic ring, a flange and a dynamic ring seat are sleeved on the shaft sleeve;
the static ring is installed in a flange through a pin, and the flange is connected with the main machine shell through a bolt;
the movable ring is connected with the movable ring seat through a pin;
the movable ring seat is provided with a pin for assembling the shaft sleeve and the movable ring seat together to transmit torque, the shaft sleeve is uniformly provided with a plurality of springs along the circumference, the springs are propped against the movable ring seat, the springs pressurize the movable ring and the static ring to enable two end faces to be attached together to form a main seal, and a dirt throwing groove is formed in one end face, contacting with the impeller on the main shaft, of the shaft sleeve.
The utility model discloses further technique:
preferably, the dirt throwing groove is a dovetail groove.
Preferably, the end face of one end, in contact with the impeller on the main shaft, of the shaft sleeve is a combination of an inclined plane and a plane, the plane is an inner ring, the inclined plane is an outer ring, and the dirt throwing groove is located on the inclined plane.
Preferably, the shaft sleeve is provided with a groove for accommodating a pin connected with the movable ring seat, the pin and the spring are uniformly arranged along the circumference, and the pin and the spring are arranged at intervals.
The utility model has the advantages that:
the dovetail groove dirt throwing groove is formed in the end face of the shaft sleeve, so that deposited dirt between the impeller and the sealing device can be discharged when the main machine works, sealing is protected, and the service life of sealing is prolonged.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts;
FIG. 1 is a schematic structural view of a sealing device with a dirt throwing groove;
FIG. 2 is a schematic structural view of an end face of a shaft sleeve;
wherein the reference numbers in the figures: 1. a shaft sleeve; 2. a main shaft; 3. a stationary ring; 4. a moving ring; 5. a flange; 6. a movable ring seat; 7. a pin; 8. a spring; 9. an impeller; 10. a sewage disposal groove; 11. a main housing; 12. a keyway.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are 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.
The embodiment provides a sealing device with a dirt throwing groove, as shown in fig. 1, comprising,
the shaft sleeve comprises a shaft sleeve 1, wherein the shaft sleeve is connected to a main shaft 2 through a key groove 12, and a static ring 3, a dynamic ring 4, a flange 5 and a dynamic ring seat 6 are sleeved on the shaft sleeve 1;
the static ring 3 is arranged in a flange through a pin, and the flange is connected with the main machine shell 11 through a bolt;
the movable ring 4 is connected with the movable ring seat 6 through a pin;
the movable ring seat 6 is provided with a pin 7 for assembling the shaft sleeve 1 and the movable ring seat 6 together to transmit torque, the shaft sleeve 1 is uniformly provided with a plurality of springs 8 along the circumference, the springs 8 are propped against the movable ring seat, the springs pressurize the movable ring and the static ring to enable two end faces to be attached together to form a main seal, and a dirt throwing groove 10 is formed in one end face, in contact with an impeller 9 on a main shaft, of the shaft sleeve 1.
The dirt throwing groove is a dovetail-shaped groove, the inlet of the dovetail-shaped groove is small, the outlet of the dovetail-shaped groove is large, and impurities can be thrown out conveniently under the action of centrifugal force.
Meanwhile, as shown in fig. 2, the end surface of the shaft sleeve 1, which is in contact with the impeller on the main shaft, is a combination of an inclined surface and a plane, wherein the plane is an inner ring, and the inclined surface is an outer ring;
on one hand, the contact between the conventional plane and the impeller and the contact between the plane and the impeller are changed, once deposited dirt is generated between the impeller and the sealing device (shaft sleeve), each point has the same pressure, the impurities are difficult to discharge, and the deposited dirt is convenient to throw out by arranging the inclined plane;
on the other hand, in the embodiment, a combination of a plane and an inclined plane is adopted, the plane is positioned on the inner ring, the outer ring is the inclined plane, the inclined plane is convenient for throwing out deposited dirt, and the contact between the plane of the inner ring and the plane reduces the entering of the deposited dirt;
in this embodiment, the dirt throwing groove 10 is located on the inclined plane, and the precipitated dirt is thrown out, and meanwhile, after the precipitated dirt is thrown out, no foreign matter is extruded between the shaft sleeve and the impeller, so that the pressure in the sealing cavity is reduced, the sealing is protected, and the service life of the sealing is prolonged.
In this embodiment, be equipped with the groove on the axle sleeve for settle the pin of being connected with the rotating ring seat, this pin and spring are evenly arranged along the circumference, and both intervals set up.
In this embodiment, a seal ring is disposed on an end surface of the component, which is in contact with the component, and an O-ring is selected for this embodiment.
On the basis of the structure, the key in the key groove is a flat key, and the length of the key is smaller than that of the groove, so that a moving space is provided for the shaft sleeve;
the mechanical seal movable ring and the mechanical seal static ring on the shaft sleeve need pressure, after the impeller is tightened by the aid of the spare cap, the spring of the bearing is pressed down partially, namely the pressure is measured, so that the spring of the bearing is pressed down by hand before the impeller is tightened, and the shaft sleeve is automatically rebounded by loosening the spring;
the shaft sleeve is contacted with the impeller, and the position of the impeller is adjusted, so that the adjustment of the shaft sleeve can be realized, and the elastic force adjustment of the spring of the sealing device is realized.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing shows and describes the general principles, essential features, and features of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the description of the above embodiments and the description is only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and these changes and modifications are all within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. Sealing device in dirty groove is thrown in area, its characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the shaft sleeve is connected to the main shaft through a key groove, and a static ring, a dynamic ring, a flange and a dynamic ring seat are sleeved on the shaft sleeve;
the static ring is installed in a flange through a pin, and the flange is connected with the main machine shell through a bolt;
the movable ring is connected with the movable ring seat through a pin;
the movable ring seat is provided with a pin for assembling the shaft sleeve and the movable ring seat together to transmit torque, the shaft sleeve is uniformly provided with a plurality of springs along the circumference, the springs are propped against the movable ring seat, the springs pressurize the movable ring and the static ring to enable two end faces to be attached together to form a main seal, and a dirt throwing groove is formed in one end face, contacting with the impeller on the main shaft, of the shaft sleeve.
2. A sealing device with a dirt-throwing groove according to claim 1, characterized in that: the dirt throwing groove is a dovetail groove.
3. A sealing device with a dirt-throwing groove according to claim 2, characterized in that: the end face of one end, in contact with the impeller on the main shaft, of the shaft sleeve is a combination of an inclined plane and a plane, the plane is an inner ring, the inclined plane is an outer ring, and the dirt throwing groove is located on the inclined plane.
4. A sealing device with a dirt-throwing groove according to claim 1, characterized in that: the shaft sleeve is provided with a groove for accommodating a pin connected with the movable ring seat, the pin and the spring are uniformly arranged along the circumference and are arranged at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920582613.9U CN210050299U (en) | 2019-04-25 | 2019-04-25 | Sealing device with dirt throwing groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920582613.9U CN210050299U (en) | 2019-04-25 | 2019-04-25 | Sealing device with dirt throwing groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210050299U true CN210050299U (en) | 2020-02-11 |
Family
ID=69381295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920582613.9U Active CN210050299U (en) | 2019-04-25 | 2019-04-25 | Sealing device with dirt throwing groove |
Country Status (1)
| Country | Link |
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| CN (1) | CN210050299U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112212006A (en) * | 2020-11-02 | 2021-01-12 | 天长市金祝机械密封件有限公司 | Corrugated spring mechanical sealing mechanism |
-
2019
- 2019-04-25 CN CN201920582613.9U patent/CN210050299U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112212006A (en) * | 2020-11-02 | 2021-01-12 | 天长市金祝机械密封件有限公司 | Corrugated spring mechanical sealing mechanism |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 233200 Dingyuan County Industrial Park, Chuzhou, Anhui Patentee after: Anhui Yalan seal Co.,Ltd. Address before: 233200 Dingyuan County Industrial Park, Chuzhou, Anhui Patentee before: ANHUI ARAM SEALS Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |