CN212928779U - Novel large spring shifting fork integrated mechanical seal - Google Patents

Novel large spring shifting fork integrated mechanical seal Download PDF

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Publication number
CN212928779U
CN212928779U CN202021628428.8U CN202021628428U CN212928779U CN 212928779 U CN212928779 U CN 212928779U CN 202021628428 U CN202021628428 U CN 202021628428U CN 212928779 U CN212928779 U CN 212928779U
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China
Prior art keywords
ring
axle sleeve
transmission shaft
assembly
mechanical seal
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CN202021628428.8U
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Chinese (zh)
Inventor
马志阳
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TIANJIN LIANQIANG MECHANICAL SEAL TECHNOLOGY CO LTD
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TIANJIN LIANQIANG MECHANICAL SEAL TECHNOLOGY CO LTD
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Priority to CN202021628428.8U priority Critical patent/CN212928779U/en
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Abstract

A novel large spring shifting fork cartridge mechanical seal comprises: the rotating ring assembly, quiet ring, axle sleeve and transmission shaft, its characterized in that: the axle sleeve sets up in the outside of transmission shaft, cup joints each other between axle sleeve and the transmission shaft, is provided with O type circle between axle sleeve and transmission shaft, and it is sealed through O type circle between transmission shaft and the axle sleeve, and the rotating ring sub-assembly is fixed on the axle sleeve, and quiet ring setting is in one side of rotating ring sub-assembly, hugs closely each other between the left end face of quiet ring and the right-hand member face of rotating ring sub-assembly, fixedly connected with throw-out collar on the axle sleeve, installs big spring on the throw-out collar. The utility model provides a structure after the improvement compares the reduction of structure before the improvement the spring holder, also need not be in the same place spring holder and axle sleeve fastening with the jackscrew, and axle sleeve and traditional spring holder structure are as an organic whole after the improvement, have milled the shift fork on the axle sleeve, can with push away the shift fork intermeshing transmission on the ring, so both safe and reliable has shortened the length of size again, has still saved the cost.

Description

Novel large spring shifting fork integrated mechanical seal
Technical Field
The utility model relates to a mechanical seal equipment technical field especially relates to a novel big spring shift fork cartridge formula mechanical seal.
Background
At present, a mechanical seal mainly comprises two seal rings (a movable ring and a stationary ring) perpendicular to a shaft, wherein the rear end face of the movable ring is in contact with the front end face of the stationary ring, a seal face which keeps tight contact and slides relatively is formed under the action of fluid pressure or the elasticity of a compensation mechanism, and a device for preventing liquid leakage is formed under the matching of auxiliary seal.
The existing large spring mechanical seal is suitable for working conditions of high medium viscosity, particle-containing and the like, the transmission of the shifting fork is stable and reliable, and the integrated design, installation and disassembly are simple and accurate.
However, the spring seats and the pushing rings in the traditional large spring shifting fork container type mechanical seal are milled with shifting fork intermeshing for transmission, the axial size of the large spring and the shifting fork is required to be large enough, and the structural design is greatly limited.
And spring holder among the present traditional big spring shift fork cartridge formula mechanical seal need be fastened on the axle sleeve with the jackscrew, if tight power undersize, the jackscrew is inefficacy very easily, if tight power is too big, the axle sleeve again atress warp, influences the use.
Therefore, a new type of large spring fork cartridge mechanical seal is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the utility model aims at providing a novel big spring shift fork collection dress formula mechanical seal, the utility model provides a structure after the improvement compares the spring holder that has reduced of structure before the improvement, also need not be in the same place spring holder and axle sleeve are tight fixed with the jackscrew, and axle sleeve and traditional spring seat structure are as an organic whole after improving, have milled the shift fork on the axle sleeve, can with the shift fork intermeshing transmission on the throw-out collar, so both safe and reliable has shortened the length of size again, has still saved the cost.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: a novel large spring shifting fork cartridge mechanical seal comprises: the rotating ring assembly, quiet ring, axle sleeve and transmission shaft, its characterized in that: the axle sleeve sets up the outside of transmission shaft, the axle sleeve with cup joint each other between the transmission shaft, be provided with O type circle between axle sleeve and transmission shaft, it is sealed through O type circle between transmission shaft and the axle sleeve, the rotating ring sub-assembly is fixed on the axle sleeve, quiet ring sets up the one side at the rotating ring sub-assembly, the left end face of quiet ring with hug closely each other between the right-hand member face of rotating ring sub-assembly, fixedly connected with throw-out collar on the axle sleeve installs big spring on the throw-out collar, at one side fixedly connected with end cover of quiet ring, install sealed the pad on the end cover, one side of end cover is provided with the locating plate, the locating plate with the lateral wall of end cover is hugged closely each other, through bolt reciprocal anchorage between locating plate and the end cover, the inslot on quiet ring right side installs the stop pin.
Furthermore, a movable ring O-shaped ring is arranged between the movable ring assembly and the shaft sleeve, and the movable ring and the shaft sleeve are sealed through the movable ring O-shaped ring.
Furthermore, one end of the static ring is fixedly provided with a throttling ring.
Further, a driving pin is arranged at the connecting position between the movable ring assembly and the shaft sleeve.
Furthermore, a static ring O-shaped ring is arranged between the static ring and the end cover, and the static ring and the end cover are sealed through the static ring O-shaped ring.
Furthermore, the right side of the shaft sleeve is fixedly connected with a positioning ring, and a jackscrew is installed in the positioning ring.
The utility model has the advantages that: the utility model provides a novel big spring shift fork cartridge formula mechanical seal, the utility model provides a structure after the improvement compares the spring holder that has reduced of structure before the improvement, also need not tightly fix spring holder and axle sleeve together with the jackscrew, and axle sleeve and traditional spring holder structure are as an organic whole after improving, have milled the shift fork on the axle sleeve, can with the shift fork intermeshing transmission on the throw-out collar, so both safe and reliable has shortened the length of size again, has still saved the cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are 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 diagram of the present invention.
Wherein:
1. a rotating ring assembly; 2. A moving ring O-shaped ring; 3. A stationary ring;
4. a stationary ring O-ring; 5. An anti-rotation pin; 6. An O-shaped ring;
7. a shaft sleeve; 8. A drive pin; 9. A large spring;
10. a push ring; 11. A gasket; 12. An end cap;
13. a restrictor ring; 14. Carrying out top thread; 15. A positioning ring;
16. a bolt; 17. Positioning a plate; 18. transmission shaft
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly specified or limited, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
fig. 1 is the structural schematic diagram of the utility model discloses a novel big spring shift fork cartridge formula mechanical seal as shown in fig. 1, include: rotating ring sub-assembly 1, quiet ring 3, axle sleeve 7 and transmission shaft 18, its characterized in that: the shaft sleeve 7 is arranged on the outer side of the transmission shaft 18, the shaft sleeve 7 and the transmission shaft 18 are mutually sleeved, an O-shaped ring 6 is arranged between the shaft sleeve 7 and the transmission shaft 18, the transmission shaft 18 and the shaft sleeve 7 are sealed through the O-shaped ring 6, the rotating ring assembly 1 is fixed on the shaft sleeve 7, the stationary ring 3 is arranged on one side of the rotating ring assembly 1, the left end face of the stationary ring 3 and the right end face of the rotating ring assembly 1 are mutually clung to each other, a push ring 10 is fixedly connected onto the shaft sleeve 7, a large spring 9 is arranged on the push ring 10, an end cover 12 is fixedly connected onto one side of the stationary ring 3, a sealing gasket 11 is arranged on the end cover 12, a positioning plate 17 is arranged on one side of the end cover, the positioning plate 17 and the outer side wall of the end cover are clung to each other, the positioning plate 17 and the end cover are mutually, all milled the shift fork on axle sleeve 7 and the throw-out collar 10, be provided with rotating ring O type circle 2 between rotating ring sub-assembly 1 and the axle sleeve 7, it is sealed through rotating ring O type circle 2 between rotating ring and the axle sleeve 7, the one end fixed mounting of quiet ring 3 has throttle ring 13, the drive pin 8 is installed to the junction between rotating ring sub-assembly 1 and the axle sleeve 7, quiet ring 3 with be provided with quiet ring O type circle 4 between the end cover 12, it is sealed through quiet ring O type circle 4 between quiet ring 3 and the end cover 12, the right side fixedly connected with holding ring 15 of axle sleeve 7 installs jackscrew 14 in holding ring 15.
The utility model provides a structure after the improvement compares the reduction of structure before the improvement the spring holder, also need not be in the same place spring holder and axle sleeve fastening with the jackscrew, and axle sleeve and traditional spring holder structure are as an organic whole after the improvement, have milled the shift fork on the axle sleeve, can with push away the shift fork intermeshing transmission on the ring, so both safe and reliable has shortened the length of size again, has still saved the cost.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (6)

1. A novel large spring shifting fork cartridge mechanical seal comprises: the rotating ring assembly, quiet ring, axle sleeve and transmission shaft, its characterized in that: the axle sleeve sets up the outside of transmission shaft, the axle sleeve with cup joint each other between the transmission shaft, be provided with O type circle between axle sleeve and transmission shaft, it is sealed through O type circle between transmission shaft and the axle sleeve, the rotating ring sub-assembly is fixed on the axle sleeve, quiet ring sets up the one side at the rotating ring sub-assembly, the left end face of quiet ring with hug closely each other between the right-hand member face of rotating ring sub-assembly, fixedly connected with throw-out collar on the axle sleeve installs big spring on the throw-out collar, at one side fixedly connected with end cover of quiet ring, install sealed the pad on the end cover, one side of end cover is provided with the locating plate, the locating plate with the lateral wall of end cover is hugged closely each other, through bolt reciprocal anchorage between locating plate and the end cover, the inslot on quiet ring right side installs the stop pin.
2. The novel large spring fork cartridge type mechanical seal according to claim 1, characterized in that: a movable ring O-shaped ring is arranged between the movable ring assembly and the shaft sleeve, and the movable ring and the shaft sleeve are sealed through the movable ring O-shaped ring.
3. The novel large spring fork cartridge type mechanical seal according to claim 1, characterized in that: and one end of the static ring is fixedly provided with a throttling ring.
4. The novel large spring fork cartridge type mechanical seal according to claim 1, characterized in that: and a driving pin is arranged at the joint between the movable ring assembly and the shaft sleeve.
5. The novel large spring fork cartridge type mechanical seal according to claim 1, characterized in that: and a static ring O-shaped ring is arranged between the static ring and the end cover, and the static ring and the end cover are sealed through the static ring O-shaped ring.
6. The novel large spring fork cartridge type mechanical seal according to claim 1, characterized in that: the right side of the shaft sleeve is fixedly connected with a positioning ring, and a jackscrew is installed in the positioning ring.
CN202021628428.8U 2020-08-07 2020-08-07 Novel large spring shifting fork integrated mechanical seal Active CN212928779U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021628428.8U CN212928779U (en) 2020-08-07 2020-08-07 Novel large spring shifting fork integrated mechanical seal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021628428.8U CN212928779U (en) 2020-08-07 2020-08-07 Novel large spring shifting fork integrated mechanical seal

Publications (1)

Publication Number Publication Date
CN212928779U true CN212928779U (en) 2021-04-09

Family

ID=75335007

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021628428.8U Active CN212928779U (en) 2020-08-07 2020-08-07 Novel large spring shifting fork integrated mechanical seal

Country Status (1)

Country Link
CN (1) CN212928779U (en)

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