CN208764316U - Packaging type double mechanical seal mechanism - Google Patents
Packaging type double mechanical seal mechanism Download PDFInfo
- Publication number
- CN208764316U CN208764316U CN201821296278.8U CN201821296278U CN208764316U CN 208764316 U CN208764316 U CN 208764316U CN 201821296278 U CN201821296278 U CN 201821296278U CN 208764316 U CN208764316 U CN 208764316U
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- China
- Prior art keywords
- drive sleeve
- retainer
- ring
- stationary
- rotary shaft
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Abstract
The utility model provides a kind of packaging type double mechanical seal mechanism comprising: rotary shaft；Drive sleeve is set in outside rotary shaft, is equipped with retainer in drive sleeve end outer sheath, and the retainer is fixed drive sleeve and rotary shaft by holding screw, and the holding screw is inserted into retainer along rotary shaft radial direction and passes through drive sleeve；Seal disc is set in outside drive sleeve, and the seal disc is equipped with the protrusion in the middle part of drive sleeve；Stationary ring, it is set as two and two stationary rings is distributed at left and right sides of protrusion, the stationary ring is set in outside drive sleeve, by passing through raised stop pin connection between two stationary rings, spring is also connected between two stationary rings, it is provided with a rotating ring between the retainer and one of stationary ring, a rotating ring is provided between the drive sleeve head end and another stationary ring.This packaging type double mechanical seal mechanism has the advantages that compact layout, reliable operation.
Description
Technical field
The utility model belongs to technical field of mechanical, is related to a kind of packaging type double mechanical seal mechanism.
Background technique
Mechanical seal refer to by least a pair of end face perpendicular to rotation axis Fluid pressure and compensation mechanism elastic force (or
Magnetic force) under the action of and the cooperation of auxiliary seal under keep being bonded and the dress for preventing fluid leakage that constitutes with respect to sliding
It sets, it is a kind of gland seal device of rotating machinery.The packaging type double-face mechanical sealing structure design having at present is not compact enough, moves
Ring and stationary ring are installed on the rotary shaft by corresponding rotating seat/stationary seat, and functional reliability is not good enough.The utility model design one
Kind compact layout, the packaging type double mechanical seal mechanism of reliable operation.
Summary of the invention
The purpose of this utility model is the presence of the above problem in view of the prior art, proposes a kind of compact layout, work
Reliable packaging type double mechanical seal mechanism.
The purpose of this utility model can be realized by the following technical scheme: a kind of packaging type double mechanical seal machine
Structure, comprising:
Rotary shaft；
Drive sleeve is set in outside rotary shaft, is equipped with retainer in drive sleeve end outer sheath, the retainer passes through tightening
Screw fixes drive sleeve and rotary shaft, and the holding screw is inserted into retainer along rotary shaft radial direction and passes through drive sleeve；
Seal disc is set in outside drive sleeve, and the seal disc is equipped with the protrusion in the middle part of drive sleeve；
Stationary ring, is set as two and two stationary rings are distributed at left and right sides of protrusion, and the stationary ring is set in outside drive sleeve, and two
By passing through the stop pin connection of protrusion between a stationary ring, be also connected with spring between two stationary rings, the retainer and its
In be provided with a rotating ring between a stationary ring, a rotating ring is provided between the drive sleeve head end and another stationary ring.
The card for limiting clamping retainer is inserted in drive sleeve end as a further improvement of the utility model,
Ring, the snap ring connect with retainer far from the end face of seal disc.
As a further improvement of the utility model, between retainer and corresponding rotating ring, drive sleeve head end and corresponding dynamic
It is respectively arranged with dynamic seal ring between ring, is provided with static sealing ring between the stationary ring and seal disc.
The channel being connected to the external world is equipped in seal disc upper and lower position as a further improvement of the utility model, and
Dustproof cover is detachably installed in the inlet in channel.
It is solid also to pass through locating piece, mounting screw and seal disc for the retainer as a further improvement of the utility model,
Fixed, the locating piece is arranged in seal disc and faces the side of retainer and fix with retainer, and the mounting screw passes through positioning
Seal disc is inserted into after block.
Based on the above-mentioned technical proposal, the utility model embodiment at least can produce following technical effect: packaging type both-end
Face mechanical seal mechanism, integral structure layout is more compact, reasonable, specifically, setting drive sleeve in rotation outer shaft sleeve, drive sleeve is logical
It crosses retainer and holding screw is realized and the installation of rotary shaft, seal disc is provided between retainer and drive sleeve head end, is protected
The leakproofness and cooling effect of mechanical seal have been demonstrate,proved, and two groups of rotating rings and corresponding stationary ring are arranged in the two sides of seal disc,
The components such as rotating seat, stationary seat are also eliminated, compact layout is strong, works relatively reliable, stable.
Detailed description of the invention
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing, in which:
Fig. 1 is the structural schematic diagram of one preferred embodiment of the utility model.
In figure, 10, rotary shaft；20, drive sleeve；30, retainer；40, holding screw；50, seal disc；51, raised；52,
Channel；60, stationary ring；70, latch；80, spring；90, rotating ring；100, drive sleeve sealing ring；110, snap ring；120, retainer is close
Seal；130, dynamic seal ring；140, static sealing ring；150, gasket；160, retaining ring；170, dustproof cover；180, locating piece；190, pacify
Cartridge screw.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
Below with reference to Fig. 1, technical scheme provided by the present invention will be described in more detail.
As shown in Figure 1, this packaging type double mechanical seal mechanism includes:
Rotary shaft 10；
Drive sleeve 20 is set in outside rotary shaft 10, is equipped with retainer 30, the retainer in 20 end outer sheath of drive sleeve
30 is fixed by drive sleeve 20 and rotary shaft 10 by holding screw 40, and the holding screw 40 is inserted into along 10 radial direction of rotary shaft
Retainer 30 simultaneously passes through drive sleeve 20；
Seal disc 50 is set in outside drive sleeve 20, and the seal disc 50 is equipped with the protrusion 51 close to 20 middle part of drive sleeve；
Stationary ring 60, is set as two and two stationary rings 60 are distributed in 51 left and right sides of protrusion, and the stationary ring 60 is set in biography
Outside dynamic set 20, is connected between two stationary rings 60 by passing through the latch 70 of protrusion 51, be also connected between two stationary rings 60
Spring 80, is provided with a rotating ring 90 between the retainer 30 and one of stationary ring 60,20 head end of drive sleeve and another
A rotating ring 90 is provided between one stationary ring 60.
The utility model protects a kind of packaging type double mechanical seal mechanism, and integral structure layout is more compact, reasonable,
Specifically, being arranged drive sleeve 20 outside rotary shaft 10, drive sleeve 20 is by retainer 30 and holding screw 40 is realized and rotary shaft
10 installation is provided with seal disc 50 between 20 head end of retainer 30 and drive sleeve, ensure that mechanical seal leakproofness and
Cooling effect, and two groups of rotating rings 90 and corresponding stationary ring 60 are arranged in the two sides of seal disc 50 also eliminates rotating seat, quiet
The components such as ring seat, compact layout is strong, works relatively reliable, stable.
In the present case, to make mechanical seal structure be laid out reliability that is more compact and being further ensured that work.
Preferably, drive sleeve sealing ring 100 is provided between drive sleeve 20 and rotary shaft 10, which, which is embedded, is being driven
20 head ends are covered, retainer sealing ring 120 is provided between retainer 30 and drive sleeve 20, which is embedded in retainer 30
On.
Preferably, the snap ring 110 for limiting clamping retainer 30, the snap ring 110 are inserted in 20 end of drive sleeve
Connect with retainer 30 far from the end face of seal disc 50.
Preferably, it is set respectively between retainer 30 and corresponding rotating ring 90, between 20 head end of drive sleeve and corresponding rotating ring 90
Be equipped with dynamic seal ring 130, be provided with static sealing ring 140 between the stationary ring 60 and seal disc 50, and wherein one it is quiet close
140 position of seal can also install a gasket 150 additional, ensure that the reliability of sealing effect and connection.
It is preferred that the junction of latch 70 and stationary ring 60 is equipped with the retaining ring 160 being set in outside latch 70.
It is equipped with the channel 52 being connected to the external world in 50 upper and lower position of seal disc, and detachably pacifies in the inlet in channel 52
Equipped with dustproof cover 170, not only guarantee the Efficient Operation of seal disc 50, it is ensured that the sealing effect and cooling effect of mechanical seal
Deng.
To make the installation positioning of retainer 30 relatively reliable, also the installation reliability of the internal rotating ring 90 of guarantee, stationary ring 60, excellent
Select retainer 30 also fixed by locating piece 180, mounting screw 190 and seal disc 50, the locating piece 180 is arranged in seal disc
50 face the side of retainer 30 and fix with retainer 30, and the mounting screw 190 is inserted into seal disc after passing through locating piece 180
50.Such structure setting also facilitates subsequent demolition and maintenance.
Specific embodiment described in text is only to give an example to the spirit of the present invention.Belonging to the utility model
Those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitutes, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (5)
1. a kind of packaging type double mechanical seal mechanism, it is characterised in that: include:
Rotary shaft；
Drive sleeve is set in outside rotary shaft, is equipped with retainer in drive sleeve end outer sheath, the retainer passes through holding screw
Drive sleeve and rotary shaft are fixed, the holding screw is inserted into retainer along rotary shaft radial direction and passes through drive sleeve；
Seal disc is set in outside drive sleeve, and the seal disc is equipped with the protrusion in the middle part of drive sleeve；
Stationary ring, is set as two and two stationary rings are distributed at left and right sides of protrusion, and the stationary ring is set in outside drive sleeve, and two quiet
By passing through the stop pin connection of protrusion between ring, spring, the retainer and wherein one are also connected between two stationary rings
It is provided with a rotating ring between a stationary ring, a rotating ring is provided between the drive sleeve head end and another stationary ring.
2. packaging type double mechanical seal according to claim 1 mechanism, it is characterised in that: plugged in drive sleeve end
There is the snap ring for the tight retainer of limiting card, the snap ring connects with retainer far from the end face of seal disc.
3. packaging type double mechanical seal according to claim 1 mechanism, it is characterised in that: in retainer and correspond to dynamic
It is respectively arranged with dynamic seal ring between ring, between drive sleeve head end and corresponding rotating ring, is provided between the stationary ring and seal disc
Static sealing ring.
4. packaging type double mechanical seal according to claim 1 mechanism, it is characterised in that: in seal disc upper and lower position
It is equipped with the channel being connected to the external world, and dustproof cover is detachably installed in the inlet in channel.
5. packaging type double mechanical seal according to any one of claims 1 to 4 mechanism, it is characterised in that: the biography
Dynamic seat, which also passes through locating piece, mounting screw and seal disc, to be fixed, and the side that seal disc faces retainer is arranged in the locating piece
And fixed with retainer, the mounting screw is inserted into seal disc after passing through locating piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821296278.8U CN208764316U (en) | 2018-08-13 | 2018-08-13 | Packaging type double mechanical seal mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821296278.8U CN208764316U (en) | 2018-08-13 | 2018-08-13 | Packaging type double mechanical seal mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208764316U true CN208764316U (en) | 2019-04-19 |
Family
ID=66131850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821296278.8U Active CN208764316U (en) | 2018-08-13 | 2018-08-13 | Packaging type double mechanical seal mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208764316U (en) |
-
2018
- 2018-08-13 CN CN201821296278.8U patent/CN208764316U/en active Active
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| GR01 | Patent grant |