CN210800051U - Mechanical sealing element sealing structure - Google Patents
Mechanical sealing element sealing structure Download PDFInfo
- Publication number
- CN210800051U CN210800051U CN201921526833.6U CN201921526833U CN210800051U CN 210800051 U CN210800051 U CN 210800051U CN 201921526833 U CN201921526833 U CN 201921526833U CN 210800051 U CN210800051 U CN 210800051U
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- sealing
- installation department
- installation
- location
- location axle
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Abstract
The utility model relates to a mechanical seal spare seal structure, including location axle, rotation axis, installation department and sealing, the installation annular has been seted up to the lateral wall of location axle, the tip of installation annular intercommunication location axle, the bottom of installation annular is provided with the location lug, be provided with the setting element on the rotation axis, the setting element is provided with first sealing end towards one side of sealing member, the tip of sealing is provided with the second sealing end, compress tightly between first sealing end and the second sealing end, installation department and sealing all are the ring form, installation department and sealing are with the setting of location axle, and internal diameter between them equals, fixed connection between installation department and the sealing, one side circumference interval that the sealing was kept away from to the installation department is provided with 4 at least positioning groove. The utility model discloses have and make the sealing member can with location axle, the rotation axis between mutually support the effect of realizing the circumference location between sealing member and the adjacent location axle.
Description
Technical Field
The utility model belongs to the technical field of the technique of sealing member and specifically relates to a mechanical seal seals structure is related to.
Background
A mechanical seal is currently a type of seal used to effect a seal between connections. The sealing member that has now is annular seal circle or sealed pad mostly, with sealed pad direct mount during the use between two adjacent location axles that need seal, then compress tightly between two location axles and can realize sealing between the two, but above-mentioned sealed mode is in the use of reality, when having relative rotation between two adjacent location axles, because sealed both sides of filling up all have the rotation, lead to sealed the unable complete location axle laminating with both sides of sealed pad at two adjacent location axle pivoted in-process, thereby lead to the leakproofness to descend, cause the leakage.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a mechanical seal structure has and makes the sealing member can with the location axle, the rotation axis between mutually support the effect that realizes the circumference location between sealing member and the adjacent location axle.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a mechanical seal structure, includes location axle, rotation axis, installation department and sealing, the installation annular has been seted up to the lateral wall of location axle, the tip of installation annular intercommunication location axle, the bottom of installation annular is provided with the location lug, be provided with the setting element on the rotation axis, the setting element is provided with first seal face towards one side of sealing member, the tip of sealing is provided with the second seal face, compress tightly between first seal face and the second seal face, installation department and sealing all are the ring form, installation department and sealing set up with the location axle, and the internal diameter between them equals, fixed connection between installation department and the sealing, one side circumference interval that the sealing was kept away from to the installation department is provided with 4 at least positioning groove.
Through adopting above-mentioned technical scheme, set up the positioning lug who imbeds in the positioning groove on with sealing member location axle, rotation axis, realize the circumference location to between sealing member and the adjacent location axle through mutually supporting between positioning lug and the positioning groove to when having the relative rotation between two adjacent location axles, the rotation between sealing member and the adjacent location axle has been reduced, thereby has promoted the leakproofness between sealing member and two adjacent location axles.
The utility model discloses further set up to: the other side of the sealing part is provided with a positioning hole for positioning the rotating shaft, and the inner positioning hole is in a step shape.
Through adopting above-mentioned technical scheme, set up the locating hole in the sealing portion one side of keeping away from the installation department to make the rotation axis can fix a position through the locating hole, thereby make and install between the setting element on the rotation hole and the sealing portion sealed.
The utility model discloses further set up to: the number of the positioning grooves is 4, and the adjacent positioning grooves form an included angle of 90 degrees.
Through adopting above-mentioned technical scheme, set up positioning groove's number into 4, and be 90 degrees contained angles between the adjacent positioning groove, thereby make the circumference location between sealing member and the adjacent location axle more accurate, and reduced the shear force that same positioning groove received, thereby reduced the probability that the sealing member takes place wearing and tearing at the in-process that uses, ensured that the sealing member can place in the location axle steadily, when having reduced the sealing member and taking place to rotate at the adjacent location axle, bump with the epaxial location lug of location and lead to positioning groove to take place wearing and tearing or broken probability, thereby positioning groove's life has been promoted to a certain extent.
The utility model discloses further set up to: the bottom fixedly connected with annular guide part of installation department, the bottom of guide part is provided with the direction inclined plane, the external diameter of guide part is less than the diameter of installation department, equal location axle setting of guide part, installation department and sealing.
Through adopting above-mentioned technical scheme, the bottom fixedly connected with annular guide part of installation department, during the installation, the sealing member can lead through the guide part to the installation of sealing member has been made things convenient for.
The utility model discloses further set up to: be provided with the location inclined plane between installation department and the guide part, the location inclined plane is 45 chamfers.
Through adopting above-mentioned technical scheme, set up the location inclined plane between installation department and guide part to further made things convenient for the installation of sealing member.
The utility model discloses further set up to: the inboard of installation department is provided with the subassembly that slides, the subassembly that slides includes sealing ring and sealing washer, the sealing ring is installed in the outside of installation department, the installation annular has been seted up on the sealing ring, the sealing washer is installed in the installation annular.
Through adopting above-mentioned technical scheme, set up the subassembly that slides in the outside of installation department, when installing between installation department and location axle, the sealing washer that is located the installation department inboard can rotate in the sealing washer to make the installation department lie in the in-process that the location axle installed can slide through the subassembly that slides, made things convenient for the installation between sealing member and the location axle.
The utility model discloses further set up to: and a lubricating gap is formed between the sealing ring and the mounting ring groove, and lubricating oil is arranged in the lubricating gap.
Through adopting above-mentioned technical scheme, set up lubricated clearance between sealing washer and mounting ring groove to make and lubricate through lubricating oil between sealing washer and the mounting ring groove, thereby further reduced the frictional force of mechanical seal in the installation between the axle of location, thereby further made things convenient for the installation of sealing member.
The utility model discloses further set up to: the top and the bottom of the sealing ring are both provided with sealing protrusions, and the end parts of the sealing protrusions are tightly pressed with the mounting part.
Through adopting above-mentioned technical scheme, the leakproofness of sealing member has further been promoted.
To sum up, the utility model discloses a beneficial technological effect does:
1. the sealing structure of the mechanical sealing element has the advantages that the sealing part and the mounting part are arranged, so that the sealing element can be matched with the positioning shaft and the rotating shaft to realize the circumferential positioning effect between the sealing element and the adjacent positioning shaft;
2. the utility model has the advantages that the sliding component is arranged, so that the installation between the mechanical sealing element and the positioning shaft is convenient;
3. above-mentioned utility model through setting up the direction inclined plane, have the effect that further made things convenient for mechanical seal's installation.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the mechanical seal.
Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.
In the figure, 1, positioning the shaft; 11. mounting a ring groove; 12. positioning the bump; 2. a rotating shaft; 21. a positioning member; 211. a first sealing end face; 3. an installation part; 31. a slipping component; 311. a seal ring; 312. a seal ring; 313. lubricating the gap; 314. a sealing protrusion; 32. positioning the inclined plane; 33. a positioning groove; 4. a sealing part; 41. a second sealing end face; 42. positioning holes; 5. a guide portion; 51. a guide slope.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, a mechanical seal sealing structure includes a positioning shaft 1, a rotating shaft 2, an installation portion 3, a sealing portion 4, and a guide portion 5, wherein the guide portion 5, the installation portion 3, and the sealing portion 4 are all disposed with the positioning shaft 1. In this embodiment, the guide portion 5, the mounting portion 3, and the sealing portion 4 are integrally provided to form a mechanical seal, and the mechanical seal is fitted to the outer side of the positioning shaft 1.
Referring to the attached drawing 1, a mounting ring groove 11 is formed in the side wall of the positioning shaft 1, the mounting ring groove 11 is communicated with the end portion of the positioning shaft 1, and a positioning protrusion 12 is arranged at the bottom of the mounting ring groove 11. The rotating shaft 2 is provided with a positioning member 21, and a first sealing end surface 211 is arranged on one side of the positioning member 21 facing the sealing member.
Referring to fig. 1 and 2, the end of the seal portion 4 is provided with a second seal end face 41, and the first seal end face 211 and the second seal end face 41 are pressed therebetween. In this embodiment, the roughness of the first seal end face 211 and the second seal end face 41 is less than 0.8.
Referring to fig. 2 and 3, the inner side of the mounting portion 3 is provided with a sliding assembly 31, the sliding assembly 31 includes a sealing ring 311 and a sealing ring 312, the sealing ring 311 is mounted on the outer side of the mounting portion 3, a mounting ring groove 11 is formed in the sealing ring 311, the sealing ring 312 is mounted in the mounting ring groove 11, a lubricating gap 313 exists between the sealing ring 312 and the mounting ring groove 11, lubricating oil is provided in the lubricating gap 313, the top and the bottom of the sealing member are both provided with a sealing protrusion 314, and the end of the sealing protrusion 314 is pressed against the mounting portion.
The use principle of the embodiment is as follows: set up the positioning lug 12 of embedding positioning groove on with sealing member location axle 1, rotation axis 2, realize the circumference location between sealing member and adjacent location axle 1 through mutually supporting between positioning lug 12 and the positioning groove 33 to when having relative rotation between two adjacent location axles 1, the rotation between sealing member and the adjacent location axle 1 has been reduced, thereby has promoted the leakproofness between sealing member and two adjacent location axles 1.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a mechanical seal structure, includes location axle (1) and rotation axis (2), its characterized in that: including installation department (3) and sealing portion (4), installation ring groove (11) have been seted up to the lateral wall of location axle (1), installation ring groove (11) communicate the tip of location axle (1), the bottom of installation ring groove (11) is provided with location lug (12), be provided with setting element (21) on rotation axis (2), setting element (21) are provided with first seal face (211) towards one side of sealing member, the tip of sealing portion (4) is provided with second seal face (41), compress tightly between first seal face (211) and the second seal face (41), installation department (3) and sealing portion (4) all are the ring form, installation department (3) and sealing portion (4) set up with location axle (1), and the internal diameter between them equals, fixed connection between installation department (3) and the sealing portion (4), one side circumference interval that installation portion (3) kept away from sealing (4) is provided with at least 4 positioning groove (33).
2. A mechanical seal sealing arrangement according to claim 1, wherein: the other side of the sealing part (4) is provided with a positioning hole (42) for positioning the rotating shaft (2), and the inner hole of the positioning hole is in a step shape.
3. A mechanical seal sealing arrangement according to claim 2, wherein: the number of positioning grooves (33) is 4, and the adjacent positioning grooves (33) form an included angle of 90 degrees.
4. A mechanical seal sealing arrangement according to claim 3, wherein: the bottom fixedly connected with annular guide part (5) of installation department (3), the bottom of guide part (5) is provided with direction inclined plane (51), the external diameter of guide part (5) is less than the diameter of installation department (3), guide part (5), installation department (3) and sealing portion (4) all set up with location axle (1).
5. A mechanical seal sealing arrangement according to claim 4, wherein: be provided with between installation department (3) and guide part (5) location inclined plane (32), location inclined plane (32) are 45 chamfers.
6. A mechanical seal sealing arrangement according to claim 5, wherein: the inboard of installation department (3) is provided with subassembly (31) that slides, subassembly (31) that slides includes sealing ring (311) and sealing washer (312), install in the outside of installation department (3) sealing ring (311), mounting ring groove (11) have been seted up on sealing ring (311), install in mounting ring groove (11) sealing washer (312).
7. A mechanical seal sealing arrangement according to claim 6, wherein: a lubricating gap (313) exists between the sealing ring (312) and the mounting ring groove (11), and lubricating oil is arranged in the lubricating gap (313).
8. A mechanical seal sealing arrangement according to claim 7, wherein: the top and the bottom of the sealing ring (311) are both provided with sealing protrusions (314), and the end parts of the sealing protrusions (314) are pressed against the mounting part (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921526833.6U CN210800051U (en) | 2019-09-12 | 2019-09-12 | Mechanical sealing element sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921526833.6U CN210800051U (en) | 2019-09-12 | 2019-09-12 | Mechanical sealing element sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210800051U true CN210800051U (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921526833.6U Active CN210800051U (en) | 2019-09-12 | 2019-09-12 | Mechanical sealing element sealing structure |
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| Country | Link |
|---|---|
| CN (1) | CN210800051U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090775A (en) * | 2021-05-06 | 2021-07-09 | 威仕喜(浙江)流体技术有限公司 | Electromagnetic valve and sealing structure |
-
2019
- 2019-09-12 CN CN201921526833.6U patent/CN210800051U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090775A (en) * | 2021-05-06 | 2021-07-09 | 威仕喜(浙江)流体技术有限公司 | Electromagnetic valve and sealing structure |
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