CN214789052U - Single-end-face mechanical sealing device capable of being disinfected on line - Google Patents
Single-end-face mechanical sealing device capable of being disinfected on line Download PDFInfo
- Publication number
- CN214789052U CN214789052U CN202120892046.4U CN202120892046U CN214789052U CN 214789052 U CN214789052 U CN 214789052U CN 202120892046 U CN202120892046 U CN 202120892046U CN 214789052 U CN214789052 U CN 214789052U
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- Prior art keywords
- shell
- axle sleeve
- hole
- suit
- radial
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Abstract
The utility model relates to a single-ended face mechanical seal device that can disinfect on line, including axle sleeve subassembly, shell subassembly and seal assembly, the axle sleeve subassembly includes inner shaft cover and outer axle sleeve, shell subassembly includes shell one, shell two, shell three, shell four and rotation axis lip seal circle, seal assembly includes quiet ring sum rotating ring, annular groove and radial through-hole have all been seted up on inner shaft cover and the outer axle sleeve, the rotating ring external diameter with quiet ring external diameter is the same, be equipped with radial hole one, radial through-hole one and axial hole one on the shell two, three right side cross-sections of shell are ". alpha" shape, the outer overhanging section of three internal diameters of shell stretches into quiet ring with the annular cavity that forms between the outer axle sleeve, axial through-hole one has been seted up on the shell three. This practicality can avoid the material to pile up in sealing ring department, can realize online disinfection operation through each inside runner simultaneously.
Description
Technical Field
The utility model relates to a sealing device, in particular to but single-end face mechanical seal device of online disinfection.
Background
The mechanical seal is a device for preventing fluid leakage, which is formed by keeping fit and relative sliding of at least one pair of end faces perpendicular to a rotating axis under the action of fluid pressure and elasticity of a compensation mechanism and under the coordination of auxiliary seal, and is widely applied to centrifugal pumps, compressors, reaction kettles, three-in-one equipment and the like in the pharmaceutical industry; however, the requirement of equipment for the pharmaceutical industry is high, and not only production equipment which is in direct contact with medicines is required to have a smooth and clean surface and is easy to clean, but also the equipment is required to have an online disinfection function in some production processes.
The common single-end-face mechanical sealing structure is easy to cause material accumulation and cannot be thoroughly cleaned, and the function of online disinfection cannot be realized.
Disclosure of Invention
The utility model discloses main aim at solves the unable thorough cleaning of ordinary single-end face mechanical seal and unable online disinfection's problem, provides a single-end face mechanical seal device that can disinfect on line.
The utility model provides a technical scheme that above-mentioned technical problem adopted is: the utility model provides a single-ended mechanical seal device that can disinfect on line includes that the suit is at epaxial axle sleeve subassembly, the shell subassembly and the seal assembly of suit at axle sleeve subassembly lower extreme of suit on the axle sleeve subassembly, the axle sleeve subassembly includes the suit and is at epaxial interior axle sleeve of suit and the outer axle sleeve of suit on the interior axle sleeve, the shell subassembly includes axial arrangement and from last down in proper order the cross-under be in the same place shell one, shell two, shell three and shell four with install shell one with the rotation axis lip seal circle in the annular cavity that forms between the interior axle sleeve, seal assembly includes the suit and is in the rotating ring and the quiet ring of suit above the rotating ring of interior axle sleeve bottom.
A second groove is formed in the inner diameter of the inner shaft sleeve, and a third radial through hole is formed in the second groove.
A first groove is formed in the inner diameter of the outer shaft sleeve, and a second radial through hole is formed in the first groove.
The static ring is arranged in an annular cavity formed between the third shell and the outer shaft sleeve.
The outer diameter of the static ring is the same as that of the dynamic ring.
The outer diameter of the second shell is provided with a first radial hole and a first radial through hole, the lower end face of the second shell is provided with a first axial hole, and the first axial hole is communicated with the first radial hole.
The right side section of the third shell is in a gamma shape, an outer extension section of the third inner diameter of the shell extends into an annular cavity formed between the stationary ring and the outer shaft sleeve, and the third shell is provided with a first axial through hole.
The invention achieves the following beneficial effects: (1) through setting up the rotating ring external diameter and quiet ring external diameter to the same value, can effectively avoid piling up of material.
(2) A rotary shaft lip-shaped sealing ring is arranged at the inner diameter of the shell, so that a closed sealing cavity is formed among the shell component, the sealing component and the shaft sleeve component; when in online disinfection, the first radial hole is communicated with a high-temperature steam source, and the high-temperature steam flows through an annular cavity formed by the first radial hole, the first axial through hole, the static ring and the outer shell three inner diameter overhanging section and an annular cavity formed between the second outer shell and the shaft sleeve assembly and then flows out through the first radial through hole, so that the parts in the sealed cavity are disinfected; meanwhile, high-temperature steam in the sealing cavity can enter the annular cavity formed between the first groove and the inner shaft sleeve through the second radial through hole and then enter the annular cavity formed between the second groove and the shaft through the third radial through hole, and therefore the shaft sleeve assembly is disinfected.
Drawings
Fig. 1 is a schematic structural view of a single-end mechanical sealing device capable of online sterilization according to the present invention.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings.
The utility model discloses an example embodiment is a but single-ended mechanical seal device of online disinfection includes that the suit is at epaxial axle sleeve subassembly 1, the suit is at shell subassembly 2 and the sealing component 3 of suit at the 1 lower extreme of axle sleeve subassembly of the epaxial axle sleeve subassembly 1, axle sleeve subassembly 1 includes that the suit is at epaxial interior axle sleeve 101 and the suit is at the outer axle sleeve 102 of the epaxial axle sleeve 101 of axle, shell subassembly 2 includes axial arrangement and from last down shell one 204, two 203, three 202 and four 201 of shell and install shell one 204 together and install the rotation axis lip seal 205 in the annular chamber that forms between interior axle sleeve 101, sealing component 3 includes the suit and is in the rotating ring 301 and the quiet ring 302 of suit above the rotating ring 301 of interior axle sleeve 101 bottom.
The top end of the inner shaft sleeve 101 is provided with a clamping device 8, the inner shaft sleeve 101 is fixed on a shaft through the clamping device 8, and the clamping device 8 comprises a clamping ring 802 sleeved on the inner shaft sleeve 101, a bottom plate 801 sleeved below the clamping ring 802, a cover plate 803 sleeved above the clamping ring 802, and a first bolt 804 for penetrating and connecting the bottom plate 801 and the cover plate 803 together.
Two 10103 of recess have been seted up to interior axle sleeve 101 internal diameter department three 10102 of radial through-hole have been seted up to two 10103 of recess, interior axle sleeve 101 external diameter department has been seted up annular groove 10105, lower annular groove 10104 and radial hole two 10101 from last down in proper order.
And an elastic retainer ring 5 for a shaft is arranged in the lower annular groove 10104.
The inner diameter of the outer shaft sleeve 102 is provided with a first groove 10201, the first groove 10201 is provided with a second radial through hole 10202, the upper end face of the outer shaft sleeve 102 is arranged to be attached to the lower end face of the elastic retainer ring 5 for the shaft, and the lower end face of the outer shaft sleeve 102 is arranged to be attached to the upper end face of the movable ring 301.
The first shell 204, the second shell 203, the third shell 202 and the fourth shell 201 are fixed together through a second bolt 9, a positioning piece 6 is arranged on the upper end face of the first shell 204, one end of the positioning piece 6 is fixed on the first shell 204 through a first screw 7, and the first shell 204 is fixed on the inner shaft sleeve 101 by placing the other end of the positioning piece 6 into the upper annular groove 10105.
The static ring 302 is arranged in an annular cavity formed between the shell four 201 and the outer shaft sleeve 102, and the lower end surface of the static ring 302 is tightly attached to the upper end surface of the dynamic ring 301.
The outer diameter of the static ring 302 is the same as that of the dynamic ring 301.
The outer diameter of the second housing 203 is provided with a first radial hole 20302 and a first radial through hole 20303, the lower end face of the second housing 203 is provided with a first axial hole 20301, and the first axial hole 20301 is communicated with the first radial hole 20302.
The right side section of the third shell 202 is in a gamma shape, an outer extension 20203 of the inner diameter of the third shell 202 extends into an annular cavity formed between the stationary ring 302 and the outer shaft sleeve 102, and the third shell 202 is provided with a first axial through hole 20201 and a second axial through hole 20202.
The inner diameter of the movable ring 301 is provided with a radial hole III 30101.
And a second anti-rotation pin 11 is arranged in the second radial hole 10101, and the other end of the second anti-rotation pin 11 extends into the third radial hole 30101.
The upper end surface of the stationary ring 302 is provided with a second axial hole 30201.
The lower end face of the second shell 203 is provided with a third axial hole 20304, a first anti-rotation pin 10 is mounted in the third axial hole 20304, and the other end of the first anti-rotation pin 10 penetrates through the second axial through hole 20202 and extends into the second axial hole 30201.
A spring 4 is arranged in the first axial hole 20301, and the other end of the spring 4 penetrates through the first axial hole 20201 to abut against the upper end face of the stationary ring 302.
O-shaped rings are arranged between the first shell 204 and the second shell 203, between the second shell 203 and the fourth shell 201, between the fourth shell 201 and the static ring 302, between the dynamic ring 301 and the inner shaft sleeve 101 and between the inner shaft sleeve 101 and the shaft.
Claims (6)
1. The utility model provides a but single-ended face mechanical seal device of online disinfection which characterized in that: including the suit at epaxial axle sleeve subassembly, the shell subassembly of suit on the axle sleeve subassembly and the seal assembly of suit at axle sleeve subassembly lower extreme, the axle sleeve subassembly includes the suit at epaxial interior axle sleeve of suit and the outer axle sleeve of suit on the interior axle sleeve, shell subassembly include axial arrangement and from last down in proper order the cross-under be in the same place shell one, shell two, shell three and shell four with install at shell one with the rotation axis lip seal circle in the annular cavity that forms between interior axle sleeve, seal assembly includes the suit the rotating ring and the quiet ring of suit above the rotating ring of interior axle sleeve bottom.
2. An on-line sterilizable single-ended mechanical seal according to claim 1, wherein: a second groove is formed in the inner diameter of the inner shaft sleeve, and a third radial through hole is formed in the second groove.
3. An on-line sterilizable single-ended mechanical seal according to claim 1, wherein: a first groove is formed in the inner diameter of the outer shaft sleeve, and a second radial through hole is formed in the first groove.
4. An on-line sterilizable single-ended mechanical seal according to claim 1, wherein: the outer diameter of the static ring is the same as that of the dynamic ring.
5. An on-line sterilizable single-ended mechanical seal according to claim 1, wherein: the outer diameter of the second shell is provided with a first radial hole and a first radial through hole, the lower end face of the second shell is provided with a first axial hole, and the first axial hole is communicated with the first radial hole.
6. An on-line sterilizable single-ended mechanical seal according to claim 1, wherein: the right side section of the third shell is in a gamma shape, an outer extension section of the third inner diameter of the shell extends into an annular cavity formed between the stationary ring and the outer shaft sleeve, and the third shell is provided with a first axial through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120892046.4U CN214789052U (en) | 2021-04-28 | 2021-04-28 | Single-end-face mechanical sealing device capable of being disinfected on line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120892046.4U CN214789052U (en) | 2021-04-28 | 2021-04-28 | Single-end-face mechanical sealing device capable of being disinfected on line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214789052U true CN214789052U (en) | 2021-11-19 |
Family
ID=78688801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120892046.4U Expired - Fee Related CN214789052U (en) | 2021-04-28 | 2021-04-28 | Single-end-face mechanical sealing device capable of being disinfected on line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214789052U (en) |
-
2021
- 2021-04-28 CN CN202120892046.4U patent/CN214789052U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |