CN220668376U - Balance type double-end-face mechanical sealing element - Google Patents
Balance type double-end-face mechanical sealing element Download PDFInfo
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- CN220668376U CN220668376U CN202322307563.2U CN202322307563U CN220668376U CN 220668376 U CN220668376 U CN 220668376U CN 202322307563 U CN202322307563 U CN 202322307563U CN 220668376 U CN220668376 U CN 220668376U
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- rubber ring
- socket
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- 238000007789 sealing Methods 0.000 title abstract description 20
- 230000000694 effects Effects 0.000 abstract description 13
- 230000008859 change Effects 0.000 abstract description 6
- 230000032683 aging Effects 0.000 abstract description 5
- 238000003756 stirring Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 238000010030 laminating Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 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
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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- Mechanical Sealing (AREA)
Abstract
The utility model discloses a balanced double-end-face mechanical sealing element, which relates to the technical field of mechanical sealing elements. This balanced type bi-polar face mechanical seal spare uses through the cooperation of cover seat and rubber ring and No. two terminal surfaces and friction line for this balanced type bi-polar face mechanical seal spare's the outside cover is equipped with No. two terminal surfaces, has seted up on No. two terminal surfaces with cover seat assorted screw thread, rubber ring fixed connection is in the outside of cup jointing the seat, even the rubber ring is ageing, also can not produce the gap immediately between cover seat and the rubber ring and influence sealed effect, and the rubber ring ageing back, can dismantle the change to cup jointing seat, rubber ring wholly under the stirring effect of friction line for this balanced type bi-polar face mechanical seal spare is to the dismantlement change simple operation of cover seat, rubber ring.
Description
Technical Field
The utility model relates to the technical field of mechanical sealing elements, in particular to a balanced double-end-face mechanical sealing element.
Background
The mechanical sealing element belongs to one of precise and complex mechanical basic elements, is a key component of various pumps, reaction synthesis kettles, turbine compressors, submersible motors and other equipment, and is a device for preventing fluid leakage, which is formed by at least one pair of end faces perpendicular to a rotation axis and keeping fit and relatively sliding under the action of fluid pressure and the elasticity (or magnetic force) of a compensation mechanism and the cooperation of auxiliary sealing. The auxiliary seal of the compensation ring is a mechanical seal called a corrugated pipe of a metal corrugated pipe.
In the prior art CN201920440281.0, 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, and based on this, a double-end mechanical seal is proposed, and a plurality of elastic members are arranged between the moving rings, so that the contact points between the elastic members and the moving rings are more on the whole, and therefore, no matter in which direction of the moving ring is pressed, the elastic members at the side can compensate the displacement of the moving ring through deformation of the elastic members, and finally, the better sealing effect is realized.
However, the mechanical sealing element still has a certain defect in the practical use process, the structure of the mechanical sealing element, which mainly has a sealing effect, is mainly a rubber ring structure, the rubber ring in the prior art is sleeved outside the mechanical sealing element, and is more easily aged and damaged compared with other structures in the mechanical sealing element along with the increase of working time, the rubber ring is required to be detached and replaced regularly, the rubber ring and the mechanical sealing element in the prior art are mostly connected in a sleeved mode, the sealing effect of the mechanical sealing element is very easily affected once the rubber ring is aged, and the frequency of replacement is high.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a balanced double-end-face mechanical sealing element, which solves the problems in the background art.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a balanced type bi-polar face mechanical seal spare, includes mechanical seal spare, mechanical seal spare's both ends cover is equipped with terminal surface and No. two terminal surfaces, and the guide way of evenly distributed has been seted up in mechanical seal spare's the outside, no. two external screw thread connection of terminal surface has the socket, the cover is equipped with the rubber ring of symmetric distribution on the socket, and is provided with the friction line that is located evenly distributed between two sets of rubber rings on the socket, movable sleeve is equipped with evenly distributed's spacing post in the terminal surface No. two, the spacing hole in spacing post assorted has been seted up to the outside of socket.
Further, the first end face is provided with uniformly distributed fixing pieces, the first end face is provided with uniformly distributed fixing holes, and the fixing pieces are provided with threaded connection holes.
Further, the outside of No. two terminal surfaces is offered and is overlapped seat assorted screw thread, the width value that cup joints the seat and the length value phase-match of the screw thread region on the terminal surface No. two.
Further, a slide way matched with the limit column is arranged in the second end face, and a spring is connected between the second end face and the limit column.
Further, the outside fixedly connected with connecting rod of spacing post, the connecting rod extends to the outside of No. two terminal surfaces and the cover is equipped with the slide.
Further, a groove matched with the sliding seat is formed in the outer portion of the second end face, and a through opening matched with the connecting rod is formed in the second end face.
Further, the outer surface of the sliding seat is attached to the outer portion of the second end face, and the sliding seats are fixedly connected through a fixing frame.
The utility model provides a balanced double-end-face mechanical sealing element, which has the following beneficial effects:
1. this balanced type bi-polar face mechanical seal spare uses through the cooperation of cover seat and rubber ring and No. two terminal surfaces and friction line for this balanced type bi-polar face mechanical seal spare's the outside cover is equipped with No. two terminal surfaces, has seted up on No. two terminal surfaces with cover seat assorted screw thread, rubber ring fixed connection is in the outside of cup jointing the seat, even the rubber ring is ageing, also can not produce the gap immediately between cover seat and the rubber ring and influence sealed effect, and the rubber ring ageing back, can dismantle the change to cup jointing seat, rubber ring wholly under the stirring effect of friction line for this balanced type bi-polar face mechanical seal spare is to the dismantlement change simple operation of cover seat, rubber ring.
2. This balanced type bi-polar face mechanical seal spare uses through the cooperation of cover seat and spacing hole and mount and spring for after the cover seat of this balanced type bi-polar face mechanical seal spare assembles on the terminal surface No. two in the mechanical seal spare outside, the surface of cover seat rotate to the lateral surface laminating with No. two terminal surfaces, at this moment, the mount imbeds in the spacing hole in the cover seat outside under the effect of spring elastic force, thereby realize cup jointing the supplementary spacing of seat, avoid cup jointing the rotatory back of assembling of seat and take place not hard up in the course of working, thereby guarantee the work effect of this balanced type bi-polar face mechanical seal spare.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the socket of the present utility model after being assembled outside the mechanical seal;
FIG. 3 is a schematic diagram of a side structure of the present utility model;
FIG. 4 is a schematic view of the structure of the outside of the socket of the present utility model;
fig. 5 is a schematic view of the structure of the limit post and the outside of the slide base of the present utility model.
In the figure: 1. a mechanical seal; 2. a first end face; 3. a fixing member; 4. a guide groove; 5. a second end face; 6. a socket is sleeved; 7. a rubber ring; 8. rubbing lines; 9. a limit column; 10. a limiting hole; 11. a fixing frame; 12. a slide; 13. and (3) a spring.
Description of the embodiments
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.
Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a balanced type bi-polar face mechanical seal spare, includes mechanical seal spare 1, and mechanical seal spare 1's both ends cover is equipped with terminal surface 2 and No. two terminal surfaces 5, and the guide way 4 of evenly distributed has been seted up in mechanical seal spare 1's the outside, is provided with evenly distributed's mounting 3 on terminal surface 2, and has seted up evenly distributed's fixed orifices on terminal surface 2, and mounting 3 on terminal surface 2 can join in marriage the outside fixed orifices of terminal surface 2, and after mechanical seal spare 1 wholly overlaps in the inside of equipment, supplementary fixed is carried out mechanical seal spare 1.
The screw thread connecting hole has been seted up on the mounting 3, the screw thread connecting hole of seting up on the mounting 3 can cooperate the bolt mounting to guarantee fixed connection effect, the outside threaded connection of No. two terminal surfaces 5 has cup joints seat 6, the cover is equipped with symmetrical distribution's rubber ring 7 on cup jointing seat 6, the screw thread that cup joints seat 6 assorted is seted up with cup joints to No. two terminal surfaces 5's outside, pass through threaded connection between No. two terminal surfaces 5 and cup joints seat 6, cup joint seat 6 threaded connection in No. two terminal surfaces 5's outside after, cup joint seat 6's surface rotation to the lateral surface laminating with No. two terminal surfaces 5.
The width value of the sleeve seat 6 is matched with the length value of the threaded area on the second end face 5, the sleeve seat 6 completely covers the threaded area outside the second end face 5, friction lines 8 which are uniformly distributed between the two groups of rubber rings 7 are arranged on the sleeve seat 6, uniformly distributed limiting columns 9 are movably sleeved in the second end face 5, the limiting columns 9 can be matched with limiting holes 10, the sleeve seat 6 after rotation fixing is limited, and looseness of the sleeve seat 6 is avoided.
Referring to fig. 1 to 5, a limiting hole 10 matched with the limiting post 9 is formed in the outside of the socket 6, a slide matched with the limiting post 9 is formed in the second end face 5, the slide formed in the second end face 5 can facilitate movement of the limiting post 9, the limiting post 9 can drive a spring 13 to deform in the sliding process of the slide, a spring 13 is connected between the second end face 5 and the limiting post 9, and the spring 13 can extrude the limiting post 9 under the action of self elastic force, so that the tail end of the limiting post 9 extends out of the second end face 5.
The outside fixedly connected with connecting rod of spacing post 9, the connecting rod extends to the outside of No. two terminal surfaces 5 and the cover is overlapped 12, stir the slip of the inside slip of spacing post 9 No. two terminal surfaces 5 of connecting rod drive of slide 12 accessible, change the terminal position of spacing post 9, easily relieve the locking state of cover seat 6, the outside of No. two terminal surfaces 5 has offered the recess with slide 12 assorted, the outside recess of No. two terminal surfaces 5 can be convenient for the setting of slide 12, avoid slide 12 to follow the outside protrusion of No. two terminal surfaces 5, influence the assembly of mechanical seal 1.
The through opening matched with the connecting rod is formed in the second end face 5, the through opening formed in the second end face 5 can be easy for the connecting rod to move, the outer surface of the sliding seat 12 is attached to the outer portion of the second end face 5, the sliding seat 12 can be limited in movement, the sliding seats 12 are fixedly connected through the fixing frame 11, and the fixing frame 11 can drive all the sliding seats 12 to move when a single sliding seat 12 moves.
In sum, this balanced type bi-polar face mechanical seal spare, when in use, mechanical seal spare 1 outside cover is equipped with No. two terminal surfaces 5 and No. one terminal surface 2, set up on No. two terminal surfaces 5 with cup joint seat 6 assorted screw thread, rubber ring 7 fixed connection is cup joint seat 6 outside, cup joint seat 6 screw thread connection is in No. two terminal surface 5's the outside, cup joint seat 6's surface is rotatory to laminating with No. two terminal surface 5's lateral surface, mount 11 imbeds in the spacing hole 10 in the cup joint seat 6 outside under spring 13 elastic force, thereby realize the auxiliary spacing to cup joint seat 6, avoid cup joint seat 6 rotatory assembly back to take place not hard up in the course of working, mechanical seal spare 1 wholly assembles in equipment, cooperation rubber ring 7 realizes sealed effect, even rubber ring 7, cup joint seat 6 and rubber ring 7 between the fixed connection relation also can not produce the gap immediately and influence sealed effect, when rubber ring 7 ageing needs to be changed, stir slide 12, drive spacing post 9 and make spacing post 9's end withdraw from spacing hole 10, rotatory cup joint seat 6 makes terminal surface 6 take off from No. 5, whole to change the mechanical seal spare of the whole and the whole mechanical seal spare of cup joint seat 6, whole to the whole process of changing the whole rubber ring 7, can be accomplished to cup joint seat 6, the whole and the whole process of changing the mechanical seal spare is removed from the whole of the rubber ring 6.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. 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.
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 (7)
1. The utility model provides a balanced type bi-polar face mechanical seal spare, includes mechanical seal spare (1), the both ends cover of mechanical seal spare (1) is equipped with terminal surface (2) and No. two terminal surfaces (5), and guide way (4) of evenly distributed have been seted up in the outside of mechanical seal spare (1), its characterized in that: the novel anti-friction socket is characterized in that the external thread of the second end face (5) is connected with a socket (6), symmetrically distributed rubber rings (7) are sleeved on the socket (6), friction lines (8) which are uniformly distributed between the two groups of rubber rings (7) are arranged on the socket (6), uniformly distributed limiting columns (9) are movably sleeved in the second end face (5), and limiting holes (10) which are matched with the limiting columns (9) are formed in the outside of the socket (6).
2. A balanced double-ended mechanical seal according to claim 1, wherein: the fixing device is characterized in that uniformly distributed fixing pieces (3) are arranged on the first end face (2), uniformly distributed fixing holes are formed in the first end face (2), and threaded connection holes are formed in the fixing pieces (3).
3. A balanced double-ended mechanical seal according to claim 2, wherein: threads matched with the socket (6) are arranged outside the second end face (5), and the width value of the socket (6) is matched with the length value of the threaded area on the second end face (5).
4. A balanced double-ended mechanical seal according to claim 1, wherein: slide ways matched with the limiting columns (9) are arranged in the second end face (5), and springs (13) are connected between the second end face (5) and the limiting columns (9).
5. A balanced double-ended mechanical seal according to claim 4, wherein: the outside fixedly connected with connecting rod of spacing post (9), the connecting rod extends to the outside of No. two terminal surfaces (5) and cover slide (12).
6. A balanced double-ended mechanical seal according to claim 5, wherein: the outside of No. two terminal surfaces (5) is seted up and is matched with the recess of slide (12), and is seted up on No. two terminal surfaces (5) and is matched with the link assorted through-opening.
7. A balanced double-ended mechanical seal according to claim 6, wherein: the outer surface of the sliding seat (12) is attached to the outer part of the second end face (5), and the sliding seats (12) are fixedly connected through the fixing frame (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322307563.2U CN220668376U (en) | 2023-08-28 | 2023-08-28 | Balance type double-end-face mechanical sealing element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322307563.2U CN220668376U (en) | 2023-08-28 | 2023-08-28 | Balance type double-end-face mechanical sealing element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220668376U true CN220668376U (en) | 2024-03-26 |
Family
ID=90329879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322307563.2U Active CN220668376U (en) | 2023-08-28 | 2023-08-28 | Balance type double-end-face mechanical sealing element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220668376U (en) |
-
2023
- 2023-08-28 CN CN202322307563.2U patent/CN220668376U/en active Active
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