CN219692262U - Double-end-face mechanical sealing element - Google Patents
Double-end-face mechanical sealing element Download PDFInfo
- Publication number
- CN219692262U CN219692262U CN202320670988.7U CN202320670988U CN219692262U CN 219692262 U CN219692262 U CN 219692262U CN 202320670988 U CN202320670988 U CN 202320670988U CN 219692262 U CN219692262 U CN 219692262U
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- Prior art keywords
- transmission seat
- ring
- mechanical seal
- double
- fixed mounting
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- 238000007789 sealing Methods 0.000 title claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims abstract description 34
- 239000010985 leather Substances 0.000 claims abstract description 20
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 230000002349 favourable effect Effects 0.000 abstract description 5
- 238000005381 potential energy Methods 0.000 abstract description 4
- 230000003068 static effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Mechanical Sealing (AREA)
Abstract
The utility model relates to a double-end-face mechanical sealing element which comprises a transmission seat, two static rings, two moving rings and a rotating shaft, wherein the transmission seat is provided with an elastic assembly, the transmission seat is provided with an auxiliary assembly, the elastic assembly comprises a spacing ring fixedly arranged in the transmission seat, a clamping ring is fixedly arranged in the transmission seat, and two pushing rings are fixedly arranged in the transmission seat. This bi-polar face mechanical seal spare installs elastic component, through installing spring and rubber bellows, can make the contact point between two movable rings more stable, guaranteed the accuracy of spring at the upward deformation direction of rubber bellows, improved the utilization ratio of elastic potential energy, through installing first leather cup and second leather cup, first sealing washer and second sealing washer, improved mechanical seal spare's leakproofness, the louvre can in time give off the heat, is favorable to prolonging mechanical seal spare's life.
Description
Technical Field
The utility model relates to the technical field of mechanical sealing elements, in particular to a double-end-face mechanical sealing element.
Background
The mechanical seal means a device for preventing fluid leakage, which is formed by at least one pair of end surfaces perpendicular to the rotation axis, which are kept in engagement and relatively slide under the action of fluid pressure and the elastic force (or magnetic force) of the compensation mechanism and the cooperation of the auxiliary seal. The double-end mechanical sealing element is generally provided with two end face seals, and if the primary seal fails, the secondary seal can still be sealed, so that the double-end mechanical sealing element is favored in occasions with higher sealing requirements.
Please refer to a double-end mechanical seal with the patent number of CN209818735U, in this patent, it is proposed that the mechanism for realizing buffer compensation in the double-end mechanical seal in the prior art is a single spring sleeved on the spring seat, the elasticity of the single spring is poor, and the single spring and the main supporting points between the spring seat at two ends and the moving ring seat are only one, so that the phenomenon of uneven compensation amount easily occurs in the rotation process of the shaft sleeve, so that the sealing effect of the seal is poor, the pressures on two end surfaces of the double-end mechanical seal are inconsistent, so that a larger friction moment is generated at the end with higher pressure, the ring surface is lost, and the service life of the mechanical seal is affected.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the double-end-face mechanical sealing element, which has the advantages of increased elasticity, improved sealing performance and the like, and solves the problems that the two end faces of the double-end-face mechanical sealing element are inconsistent in pressure, one end with higher pressure can generate larger friction moment, the annular surface is lost, and the service life of the mechanical sealing element is influenced.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the double-end-face mechanical sealing element comprises a transmission seat, two static rings, two moving rings and a rotating shaft, wherein the number of the static rings is two, the number of the moving rings is two, the transmission seat is provided with an elastic assembly, and the transmission seat is provided with an auxiliary assembly;
the elastic component includes the spacer ring with transmission seat inside fixed mounting, the inside fixed mounting of transmission seat has the rand, the inside fixed mounting of transmission seat has the push ring that is two in quantity, two push ring relative one side fixed mounting has the rubber bellows, two push ring relative one side fixed mounting has the spring, two still ring top is all fixed mounting has first leather cup and second leather cup.
Further, a first mounting groove is formed in the transmission seat, and the spacer ring is fixedly mounted with the transmission seat through the first mounting groove.
Further, a second mounting groove is formed in the transmission seat, and the clamping ring is fixedly connected with the transmission seat through the second mounting groove.
Further, a through hole is formed in the spacer ring, and the rubber corrugated pipe and the spring are fixedly connected with the two push rings through the through hole.
Further, the auxiliary assembly comprises a shell fixedly mounted on the top of the first leather cup, a clamping block is fixedly mounted on the bottom of the shell, and a cover body is fixedly mounted on the top of the second leather cup.
Further, the auxiliary assembly further comprises a first sealing ring fixedly arranged on the top of the shell, and a second sealing ring is fixedly arranged on the top of the cover body.
Further, the heat dissipation holes are formed in the shell, and the number of the heat dissipation holes is three.
Further, the clamping grooves are formed in the top of the cover body, and the clamping blocks are clamped with the cover body through the clamping grooves.
Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:
this bi-polar face mechanical seal spare installs elastic component, through installing spring and rubber bellows, can make the contact point between two movable rings more stable, guaranteed the accuracy of spring at the upward deformation direction of rubber bellows, improved the utilization ratio of elastic potential energy, through installing first leather cup and second leather cup, first sealing washer and second sealing washer, improved mechanical seal spare's leakproofness, the louvre can in time give off the heat, is favorable to prolonging mechanical seal spare's life.
Drawings
FIG. 1 is a cross-sectional view of the structure of the present utility model;
FIG. 2 is a front elevational view of the structure of the present utility model;
fig. 3 is an enlarged view of the structure a of fig. 1 in accordance with the present utility model.
In the figure: 1. a transmission seat; 2. a stationary ring; 3. a moving ring; 4. a rotating shaft; 5. a spacer ring; 6. a collar; 7. a push ring; 8. a rubber bellows; 9. a spring; 10. a first leather cup; 11. a second leather cup; 12. a housing; 13. a clamping block; 14. a cover body; 15. a first seal ring; 16. and a second sealing ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, a double-end mechanical seal in this embodiment includes a transmission seat 1, two stationary rings 2, two movable rings 3 and a rotating shaft 4, the transmission seat 1 is provided with an elastic component, and the transmission seat 1 is provided with an auxiliary component.
Embodiment one: the elastic component includes the spacer ring 5 with the inside fixed mounting of drive seat 1, and first mounting groove has been seted up to the inside of drive seat 1, and spacer ring 5 passes through first mounting groove and drive seat 1 fixed mounting, and the inside fixed mounting of drive seat 1 has rand 6, and the second mounting groove has been seted up to the inside of drive seat 1, and rand 6 passes through second mounting groove and drive seat 1 fixed connection, and when drive seat 1 rotated, it rotates to drive moving ring 3 through rand 6.
Wherein, the inside fixed mounting of transmission seat 1 has push ring 7 that is two in quantity, and two push ring 7 opposite one side fixed mounting have rubber bellows 8, and two push ring 7 opposite one side fixed mounting have spring 9, and the through hole has been seted up to the inside of spacer ring 5, and rubber bellows 8 and spring 9 pass through hole and two push ring 7 fixed connection, and the moving ring 3 of being convenient for cushions, and two stationary ring 2 tops all fixed mounting have first leather cup 10 and second leather cup 11.
The effect achieved by the main creative point is to be noted.
Specifically, when the rotating shaft 4 rotates, the double-end-face mechanical sealing element drives the transmission seat 1 to rotate, the movable ring 3 is driven to rotate through the clamping ring 6, the rubber bellows 8 and the springs 9 are arranged, when the movable ring 3 rotates, the buffer effect is generated on the movable ring 3, the contact points between the two movable rings 3 can be more stable, the accuracy of the springs 9 in the upward deformation direction of the rubber bellows 8 is ensured, and the utilization rate of elastic potential energy is improved.
Embodiment two: referring to fig. 1, an auxiliary assembly is further provided on the basis of the first embodiment on the transmission seat 1, the auxiliary assembly includes a housing 12 fixedly mounted on the top of the first leather cup 10, heat dissipation holes are formed in the housing 12, the number of the heat dissipation holes is three, the heat dissipation is facilitated by mechanical sealing members, a clamping block 13 is fixedly mounted at the bottom of the housing 12, clamping grooves are formed in the top of the cover 14, the clamping block 13 is clamped with the cover 14 through the clamping grooves, and the cover 14 is fixedly mounted at the top of the second leather cup 11.
The auxiliary assembly further comprises a first sealing ring 15 fixedly mounted with the top of the housing 12, and a second sealing ring 16 fixedly mounted with the top of the cover 14.
It should be noted that, this bi-polar face mechanical seal spare, through installing first leather cup 10 and second leather cup 11, first sealing washer 15 and second sealing washer 16, improved mechanical seal spare's leakproofness, the louvre can in time distribute away the heat, is favorable to prolonging mechanical seal spare's life.
Specifically, this bi-polar face mechanical seal spare installs first sealing washer 15 and second sealing washer 16, can improve mechanical seal spare's leakproofness, and joint piece 13 can make casing 12 and lid 14 carry out the joint, has offered the louvre and can in time give off heat, is favorable to prolonging mechanical seal spare's life.
The working principle of the embodiment is as follows:
(1) This bi-polar face mechanical seal spare, when pivot 4 rotated, drive transmission seat 1 rotated, rotated through rand 6 drive moving ring 3, installed rubber bellows 8 and spring 9, when moving ring 3 rotated, produced cushioning effect to moving ring 3, can make the contact point between two moving rings 3 more stable, guaranteed the accuracy of spring 9 at rubber bellows 8 upward deformation direction, improved the utilization ratio of elastic potential energy.
(2) This bi-polar face mechanical seal spare installs first sealing washer 15 and second sealing washer 16, can improve mechanical seal spare's leakproofness, and joint piece 13 can make casing 12 and lid 14 carry out the joint, has offered the louvre and can in time give off the heat, is favorable to prolonging mechanical seal spare's life.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a bi-polar face mechanical seal spare, includes transmission seat (1), quantity be two quiet ring (2), quantity be two moving ring (3) and pivot (4), its characterized in that: the transmission seat (1) is provided with an elastic component, and the transmission seat (1) is provided with an auxiliary component;
the elastic component includes spacer ring (5) with transmission seat (1) inside fixed mounting, the inside fixed mounting of transmission seat (1) has rand (6), the inside fixed mounting of transmission seat (1) has push away ring (7) that is two in quantity, two push away ring (7) relative one side fixed mounting has rubber bellows (8), two push away ring (7) relative one side fixed mounting has spring (9), two still ring (2) top equal fixed mounting has first leather cup (10) and second leather cup (11).
2. A double-ended mechanical seal as defined in claim 1, wherein: the inside of transmission seat (1) has seted up first mounting groove, spacing ring (5) are through first mounting groove and transmission seat (1) fixed mounting.
3. A double-ended mechanical seal as defined in claim 1, wherein: the inside of transmission seat (1) has seted up the second mounting groove, rand (6) are through second mounting groove and transmission seat (1) fixed connection.
4. A double-ended mechanical seal as defined in claim 1, wherein: the inside of the spacing ring (5) is provided with a through hole, and the rubber corrugated pipe (8) and the spring (9) are fixedly connected with the two push rings (7) through the through hole.
5. A double-ended mechanical seal as defined in claim 1, wherein: the auxiliary assembly comprises a shell (12) fixedly mounted on the top of the first leather cup (10), a clamping block (13) is fixedly mounted at the bottom of the shell (12), and a cover body (14) is fixedly mounted on the top of the second leather cup (11).
6. A double-ended mechanical seal as defined in claim 5, wherein: the auxiliary assembly further comprises a first sealing ring (15) fixedly arranged on the top of the shell (12), and a second sealing ring (16) is fixedly arranged on the top of the cover body (14).
7. A double-ended mechanical seal as defined in claim 5, wherein: the interior of the shell (12) is provided with three heat dissipation holes.
8. A double-ended mechanical seal as defined in claim 5, wherein: the top of lid (14) has all seted up the joint groove, joint piece (13) carry out the joint through joint groove and lid (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320670988.7U CN219692262U (en) | 2023-03-30 | 2023-03-30 | Double-end-face mechanical sealing element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320670988.7U CN219692262U (en) | 2023-03-30 | 2023-03-30 | Double-end-face mechanical sealing element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219692262U true CN219692262U (en) | 2023-09-15 |
Family
ID=87963765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320670988.7U Active CN219692262U (en) | 2023-03-30 | 2023-03-30 | Double-end-face mechanical sealing element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219692262U (en) |
-
2023
- 2023-03-30 CN CN202320670988.7U patent/CN219692262U/en active Active
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