CN102147011B - The shaft seal of tool protective action - Google Patents
The shaft seal of tool protective action Download PDFInfo
- Publication number
- CN102147011B CN102147011B CN201010110924.9A CN201010110924A CN102147011B CN 102147011 B CN102147011 B CN 102147011B CN 201010110924 A CN201010110924 A CN 201010110924A CN 102147011 B CN102147011 B CN 102147011B
- Authority
- CN
- China
- Prior art keywords
- axle sleeve
- shaft seal
- flange
- protective action
- pad
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Sealing Devices (AREA)
Abstract
The invention relates to a kind of shaft seal of tool protective action; in order to be installed on the rotatingshaft of a machinery; this shaft seal comprises body group, that an axle sleeve, be arranged on this rotatingshaft the is sheathed on axle sleeve outside black box, be sheathed between outside and this body assembly of axle sleeve and is arranged in end cap on this axle sleeve, and one to be located on this axle sleeve and protective pad between this end cap and this body assembly.By means of the design of protective pad to make element not easily mutual collision friction, avoid in the industrial occasions of requirement of explosion proof, because of friction, clash into and produce spark and cause industrial safety disaster, and then effectively improve safety in utilization.
Description
Technical field
The present invention relates to a kind of shaft seal, refer to a kind of shaft seal that effectively can improve the tool protective action of safety in utilization especially.
Background technique
Gland seal device is applied in the shaft seal case of rotary machine equipment, and be installed on the gap location of equipment wall surface and mandrel, oozed out by pivot-connecting position in order to avoid the fluid in reaction tank or gas pressure.
As shown in Figure 1, being a kind of existing shaft seal structure, is the schematic diagram that TaiWan, China announces " the clamping type gland seal device of rotary machine use " of No. 459938.The gland seal device 2 that this case discloses includes one and is sheathed on axle sleeve 21 in the axle 10 of rotary machine 1, one is sheathed on axle sleeve 21 outside actively and is positioned at the first swivel becket group 22 of the axis hole 12 of rotary machine 1, one is sheathed on axle sleeve 21 outside actively and is positioned at the nearly one end place of axis hole 12 and first axle collar 23 be connected with the first swivel becket group 22, one is locked on rotary machine 1 and abuts the enclosing cover 24 fixing first axle collar 23, one to be installed on axle sleeve 21 outer and be positioned at the second swivel becket group 25 of enclosing cover 24, and one to be placed on axle sleeve 21 and to be positioned at enclosing cover 24 outside and to be jointly fixed on second axle collar 26 in axle 10 with axle sleeve 21.
This first swivel becket group 22 comprises first swivel becket 221,1 first seat ring 222 be connected with on axle sleeve 21 by fixing pin 223, one end abuts first swivel becket 221 the other end and then stretches the first abutment ring 224 be placed in the first seat ring 222, and the compression ring 225 that is located at the first seat ring 222 side.And this ora terminalis of the contiguous first swivel becket group 22 of first axle collar 23 be provided with most spring 231 and abut compression ring 225.Again, this enclosing cover 24 inside forms one provides axle sleeve 21 to run through through hole 241 wherein, and contiguous first axle collar 23 place forms a containing groove 242 be connected with through hole 241, enclosing cover 24 is separately provided with the through entrance 243 to containing groove 242 and outlet 244 from outside, this entrance 243 and outlet 244 are connected input end and the output terminal of working fluid conduit respectively.
This the second swivel becket group 25 comprise one to be fixedly arranged on axle sleeve 21 and with second swivel becket 251 of axle sleeve 21 with axle 10 turn, one is fixedly arranged on the second seat ring 252 that through hole 241 another end that on axle sleeve 21 and one end is arranged in enclosing cover 24 is then arranged in containing groove 242, and one end is stretched and is placed in the second swivel becket 251 and one second abutment ring 253 that the other end and the second seat ring 252 abut against, the recessed edge 255 of uniform most water conservancy diversion on second swivel becket 251 outer circumferential face, between containing groove 242 sidewall of the second seat ring 252 side and enclosing cover 24, most spring 254 is installed, another side then abuts against with the second swivel becket 251.
On-stream, when the axle 10 of rotary machine 1 rotates to transmit liquid, liquid can produce internal axial pressure to gland seal device 2, now, can via first axle collar 23 in gland seal device 2 and the spring 231 between the first swivel becket group 22, and second swivel becket group 25 compressing of spring 254 of asking with enclosing cover 24, make this first abutment ring 224 and the first swivel becket 221 respectively, second seat ring 252 and the second abutment ring 253 form urgent subsides and touch face, with this liquid internal pressure that jointly contends with, guarantee sealing and anti-leakage effect, and when the axle 10 of machinery 1 is rotated, because the second swivel becket 251 of the second swivel becket group 25 can rotate with axle 10, and the recessed edge 255 of most water conservancy diversion that the second swivel becket 251 side face is laid just produces an effect of stirring continuously to working fluid in rotating, the velocity of liquid assets of forced working fluid is accelerated, and guide working fluid and naturally imported by entrance 243 swimmingly, discharged by outlet 244 again, and can not need under the state additionally increasing working fluid pressure, reach cool cycles effect, the toxic fluid of energy separation process side simultaneously.
But, when axle 10 because of machinery 1 is rotated, be located at gland seal device 2 on rotating machinery can affect by the vibration of equipment itself, such as produce vibration when the axle center on equipment is axial and radial beat is excessive, now because having a pole short spacing between second axle collar 26 and enclosing cover 24 outer side surface, cause enclosing cover 24 easily to rub with second axle collar 26 or other element collision be installed on enclosing cover 24 and cause and produce spark or damage, if be used in the industrial occasions of requirement of explosion proof, the high risks such as working fluid tool is explosive, inflammable, are easier to industrial safety disaster occurs.
Summary of the invention
The object of the invention is, providing one can make element not easily mutual collision friction, to avoid because of friction, clash into generation spark and cause industrial safety disaster, effectively can improve the shaft seal of the tool protective action of safety in utilization.
The object of the invention to solve the technical problems realizes by the following technical solutions.The shaft seal of a kind of tool protective action proposed according to the present invention, be sheathed on the rotatingshaft of a machinery, and be locked in this machinery, this shaft seal comprises an axle sleeve, this shaft seal also comprises at least one body assembly, at least one black box, at least one end cap, and at least one protective pad, this axle sleeve is sheathed on this rotatingshaft, and the definition of this axle sleeve has a processing procedure side and an atmospheric side, it is outside that this body assembly is sheathed on this axle sleeve, this body assembly includes a passage that can run through for this rotatingshaft, one can supply a working fluid and the room communicated with this passage, sealing assembly is sheathed between this axle sleeve outside and this body assembly, this end cap is arranged on this axle sleeve and is also close to this atmospheric side, this protective pad to be located on this axle sleeve and between this end cap and this body assembly.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Preferably, the shaft seal of aforesaid tool protective action, wherein this body assembly has at least one body, and this inner body wall offers at least one locating slot towards the position of this processing procedure side direction, and this inner body wall offers at least one caulking groove towards the position in this axle sleeve direction.
Preferably, the shaft seal of aforesaid tool protective action, wherein this shaft seal also includes that to be located at this axle sleeve outside and be positioned at this body and have at least one transfer rings of at least one groove.
Preferably; the shaft seal of aforesaid tool protective action; wherein sealing assembly includes one and is sheathed on the seal ring group that the outside and one end of this axle sleeve is connected with this body assembly; sealing ring group has at least onely to be located at the outside and swivel becket that can rotate with this axle sleeve of this axle sleeve, at least onely to abut the stationary ring of this swivel becket, at least one compression ring being connected to this stationary ring with one end, and abuts at least one elastic element of this compression ring and this body assembly respectively.
Preferably, the shaft seal of aforesaid tool protective action, wherein this body also has at least one pair of and outer to appear and the communication port be communicated with this room.
Preferably, the shaft seal of aforesaid tool protective action, wherein this protective pad has a pad, and one to be formed on this pad and the perforate that can stretch through for this axle sleeve.
Preferably, the shaft seal of aforesaid tool protective action, wherein this pad one surface is convexly equipped with the first flange that one day, this processing procedure side direction extended.
Preferably, the shaft seal of aforesaid tool protective action, wherein two opposed surface of this pad be respectively convexly equipped with respectively towards this processing procedure side, this atmospheric side direction extend one first flange and one second flange.
Preferably, the shaft seal of aforesaid tool protective action, wherein this first flange and this second flange form circular arc convex ring body, and adjacent loops is around in around central hole.
Preferably, the shaft seal of aforesaid tool protective action, wherein this first flange and this second flange are the contacting part with at least one protrusion.
Preferably, the shaft seal of aforesaid tool protective action, wherein this first flange and this second flange are and have at least one depressed part.
Preferably, the shaft seal of aforesaid tool protective action, wherein this protective pad is made by engineered plastics material.
Preferably, the shaft seal of aforesaid tool protective action, wherein this first flange forms circular arc convex ring body, and adjacent loops is around in around central hole.
Preferably, the shaft seal of aforesaid tool protective action, wherein this first flange has the contacting part of at least one protrusion.
Preferably, the shaft seal of aforesaid tool protective action, wherein this first flange is for having at least one depressed part.
Preferably, the shaft seal of aforesaid tool protective action, wherein this protective pad is made by fire proofing material.
The present invention compared with prior art has obvious advantage and beneficial effect.As known from the above, for achieving the above object, the shaft seal of tool protective action of the present invention, be installed on the rotatingshaft of a machinery, this shaft seal comprises:
One axle sleeve, is sheathed on this rotatingshaft, and the definition of this axle sleeve has a processing procedure side and an atmospheric side;
At least one body assembly, is sheathed on this axle sleeve outside, and this body assembly includes a passage that can run through for this rotatingshaft, can supply a working fluid and the room communicated with this passage;
At least one black box, is sheathed between this axle sleeve outside and this body assembly;
At least one end cap, is arranged on this axle sleeve and is also close to this atmospheric side; And
At least one protective pad, to be located on this axle sleeve and between this end cap and this body assembly.
By technique scheme; the shaft seal of tool protective action of the present invention at least has following advantages and beneficial effect: beneficial effect of the present invention is; element not easily mutual collision friction can be made; avoid because of friction, clash into generation spark and cause industrial safety disaster, effectively can improve safety in utilization.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to technological means of the present invention can be better understood, and can be implemented according to the content of specification, and can become apparent to allow above and other object of the present invention, feature and advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is an assembled sectional view, illustrates that TaiWan, China announces No. 459938 " the clamping type gland seal device of rotary machine use " new patent case.
Fig. 2 is the assembled sectional view of a preferred embodiment of shaft seal of the present invention.
Fig. 3 sectional view that to be the protective pad of this preferred embodiment be in ring body shape.
Fig. 4 is the 1st change aspect schematic diagram of the protective pad of this preferred embodiment.
Fig. 5 is the 2nd change aspect schematic diagram of the protective pad of this preferred embodiment.
Fig. 6 is the 3rd change aspect schematic diagram of the protective pad of this preferred embodiment.
Fig. 7 is the 4th change aspect schematic diagram of the protective pad of this preferred embodiment.
Fig. 8 is the 5th change aspect schematic diagram of the protective pad of this preferred embodiment.
Fig. 9 is the 6th change aspect schematic diagram of the protective pad of this preferred embodiment.
Figure 10 is the 7th change aspect schematic diagram of the protective pad of this preferred embodiment.
Figure 11 is the 8th change aspect schematic diagram of the protective pad of this preferred embodiment.
Figure 12 is the 9th change aspect schematic diagram of the protective pad of this preferred embodiment.
Figure 13 is the 10th change aspect schematic diagram of the protective pad of this preferred embodiment.
Figure 14 is the 11st change aspect schematic diagram of the protective pad of this preferred embodiment.
Figure 15 is the 12nd change aspect schematic diagram of the protective pad of this preferred embodiment.
Figure 16 is the 13rd change aspect schematic diagram of the protective pad of this preferred embodiment.
Figure 17 is the 14th change aspect schematic diagram of the protective pad of this preferred embodiment.
Figure 18 is the 15th change aspect schematic diagram of the protective pad of this preferred embodiment.
Embodiment
For further setting forth the present invention for the technological means reaching predetermined goal of the invention and take and effect; below in conjunction with accompanying drawing and preferred embodiment; to its embodiment of shaft seal of tool protective action proposed according to the present invention, structure, feature and effect thereof, be described in detail as follows.
Shaft seal 3 of the present invention can be single type of shaft sealing or double-shaft seal pattern or other types of shaft sealing.
Referring to shown in Fig. 2, is the assembled sectional view of a preferred embodiment of shaft seal of the present invention.One preferred embodiment of shaft seal 3 of the present invention explains with double-shaft seal pattern, and this shaft seal 3 is installed in a machinery 4.This shaft seal 3 of a preferred embodiment of the present invention comprises; the body assembly 32, one that one axle sleeve 31, the is sheathed on axle sleeve 31 outside black box 33, be sheathed between outside and this body assembly 32 of this axle sleeve 31 is arranged in the end cap 34 on this axle sleeve 31, and one to be located on this axle sleeve 31 and protective pad 35 between this end cap 34 and this body assembly 32.
This axle sleeve 31 is arranged on rotatingshaft 41, and definition has one towards the processing procedure side A in the reaction tank direction of machinery 4, and one in contrast to the atmospheric side B of processing procedure side A.The above-mentioned end cap 34 be positioned on axle sleeve 31 is adjacent to this atmospheric side B.Special instruction, axle sleeve 31 and end cap 34 can be one-body molded or can be connected discretely, and in the present embodiment, this end cap 34 adopts the latter.
This body assembly 32 has at least one body 36, this body 36 is axially arranged with in centre passage 362, that a receiving bore 361, that can run through for axle sleeve 31 and rotatingshaft 41 axially runs through can for the room 363 of a working fluid, and is at least onely revealed in outer circumferential face and the communication port 364 be communicated with room 363.
Sealing assembly 33 includes one and is sheathed on the first seal ring group 38 that the outside and one end of this axle sleeve 31 is connected with this body 36, and one to be positioned at this axle sleeve 31 outside and be connected with the second seal ring group 39 of this transfer rings 30 and this body 36.
This first seal ring group 38 have be located at outside and first swivel becket 381 that can rotate with this axle sleeve 31 of this axle sleeve 31, compression ring 383 that one first stationary ring 382, that abuts this first swivel becket 381 with one end is connected to this first stationary ring 382 side, and abut at least one first elastic element 384 of this compression ring 383 and this body 36 respectively.And this second seal ring group 39 has and one is connected with the second swivel becket 391 between this transfer rings 30 with this axle sleeve 31, abuts one second stationary ring 392 of this second swivel becket 391 with one end, and to be at least onely arranged on this body 36 and the second elastic element 393 of this second stationary ring 392 and this body 36 can be abutted respectively.
In addition, sealing assembly 33 also includes two leakage washers 331,332 be sheathed on respectively on the first swivel becket 381 and the first stationary ring 382, and respectively with the isolated packing ring 333,334 that side and two leakage washers 331,332 abut against.
Refer to shown in Fig. 2, Fig. 3, the sectional view of Fig. 3 to be the protective pad of this preferred embodiment be ring body shape.Protective pad 35 is the ring-type pad made by engineering plastics or fire proofing material, and central authorities have a central hole 351 that simultaneously can run through for axle sleeve 31 and rotatingshaft 41.
Shaft seal 3 of the present invention also includes a transfer rings 30, and this transfer rings 30 has a perforation 301 that can place for axle sleeve 31 and rotatingshaft 41, and the guiding gutter 302 on periphery wall is located at most interval.
Consult Fig. 2, shaft seal 3 of the present invention is in use, it is the shaft seal case 42 by bolt 51, body 36 being locked in rotary machine equipment 4, this shaft seal case 42 is also provided with a Seal cage 43 communicated with processing procedure side A, and the processing procedure side A of aforementioned axle sleeve 31, the first noumenon 36 and the first seal ring group 38 be connected with between the two are all stretched with described leakage washer 331,332 and described isolated packing ring 333,334 and be placed in sealing chamber 43.When starting rotatingshaft 41 and carrying out rotation start; by end cap 34 by fastening sheathed to axle sleeve 31 and rotatingshaft 41; therefore; rotation by this rotatingshaft 4 can simultaneous linkage axle sleeve 31, first swivel becket 381; and second the component synchronization such as swivel becket 391 rotate; tool pressure in the processing procedure side A of machinery 4, can guarantee that machinery 4 reaches sealing and anti-leakage effect when carrying liquid.In addition, because transfer rings 30 rotates with rotatingshaft 41 together with the second swivel becket 391, so the described guiding gutter 302 be located on transfer rings 30 periphery wall can produce an effect of stirring continuously to working fluid, forced working fluid accelerates flowing, and guide working fluid and naturally imported by communication port 364 and discharged swimmingly, and can not need under the state additionally increasing working fluid pressure, just can reach excellent cool cycles effect, effectively can completely cut off the toxic fluid of processing procedure side simultaneously.
What illustrate is; shaft seal 3 is under normal operation; body 36 not easily contacts with end cap 34; but when rotatingshaft 41 high speed rotating; this shaft seal 3 can be made to produce radial direction and axial dipole field phenomenon; now by the setting of protective pad 35; can avoid end cap 34 in rotation process because rotatingshaft 41 offsets excessive produced sporadic shock and damage; and then the working life of energy extension element; again because of described element not easily mutual collision friction; so also can prevent because friction produces spark and cause industrial safety disaster, effectively safety in utilization can be improved.
Referring to shown in Fig. 4, Fig. 5, is the 1st of the protective pad of this preferred embodiment the, the 2nd change aspect schematic diagram.Fig. 4 is the 1st change aspect of protective pad 35; two opposed surface are by central hole 351 gradually shape inclination convergence towards circumferential surface direction; or as shown in Figure 5 by central hole 351 towards circumferential surface direction gradually shape inclined expansion; the area of contact between protective pad 35 and end cap 34 can also be reduced whereby, protective pad 35 and end cap 34 can also be avoided excessively to fit and produce high emissivity or noise.
Referring to shown in Fig. 6, is the 3rd change aspect schematic diagram of the protective pad of this preferred embodiment.Fig. 6 is the another kind change aspect of protective pad 35, and wherein a surface is convexly equipped with the first flange 352 that one day, this A direction, processing procedure side extended.Be applicable to the situation that pitch space between end cap 34 and body assembly 32 is larger whereby; body 36 is contacted with the first flange 352 that area is less; once the first flange 352 weares and teares totally; protective pad 35 still has part pad to be present between body assembly 32 and end cap 34, to allow between body assembly 32 and end cap 34 still unlikely generation direct collision rub.Special instruction, the first flange 352, except being positioned at position, adjacent central hole 351 as shown in Figure 4, also can as shown in Figure 7, be positioned at away from central hole 351 position.In addition, the first flange 352 madial wall can also as shown in Figure 8 by the gradually shape arcuation convergence towards protective pad 35 circumferential surface direction of central hole 351 periphery.
Referring to shown in Fig. 9, Figure 10, is the 6th of the protective pad of this preferred embodiment the, the 7th change aspect schematic diagram respectively.Another opposed surface of protective pad 35 also can be convexly equipped with the second flange 353 that this atmospheric side B on one day direction extends, described second flange 353 equally also can as shown in Figure 6 as be positioned at position, adjacent central hole 351 or be positioned at away from central hole 351 position.
Referring to shown in Figure 11, is the 8th change aspect schematic diagram of the protective pad of this preferred embodiment.Another change aspect of protective pad 35 of the present invention, the first flange 352 of this protective pad 35 and the second flange 353 form circular arc convex ring body, and adjacent loops is around in around central hole 351.Can provide equally whereby and avoid between body 36 and end cap 34 and damage because rubbing for a long time between body 36 and the second stationary ring 392, the working life of extension element, and element not easily mutual collision friction and produce spark, and then initiation fire, so effectively safety in utilization can be improved.In addition, the first flange 352 of this protective pad 35 and the second flange 353 also can form triangle ring body as shown in figure 12.
Refer to shown in Figure 13, Figure 14, Figure 15, Figure 16, be the 10th of the protective pad of this preferred embodiment the, the 11st, the 12nd, the 13rd change aspect schematic diagram respectively.What Figure 13-Figure 16 was the protective pad 35 shown in Fig. 2 separately changes aspect; first flange 352 of this protective pad 35 and the second flange 353 have the depressed part 354,355 of a triangle or arc-shaped respectively, and are formed at each depressed part 354,355 periphery respectively and in the contacting part 356,357 of convex shape.
Referring to shown in Figure 17, is the 14th change aspect schematic diagram of the protective pad of this preferred embodiment.First flange 352 of protective pad 35 and the second flange 353 can also have two sections respectively and generally to take the shape of the letter U the depressed part 354,355 of shape, and are formed at each depressed part 354,355 periphery respectively and contacting part 356,357 in convex shape.
Special instruction be the aspect of above-mentioned Fig. 3-Figure 16, the area of contact reduced between protective pad 35 and end cap 34 can be had all equally, protective pad 35 and end cap 34 can also be avoided excessively to fit and produce high emissivity or noise
Referring to Figure 18 institute, is the 15th change aspect schematic diagram of the protective pad of this preferred embodiment.The circumferential surface of protective pad 35 radial direction can also deeply be formed with a ring groove 358, can also provide the advantage of material-saving whereby.
Conclude above-mentioned; the shaft seal 3 of tool protective action of the present invention is by above-mentioned tectonic sieving; really to avoid between body 36 and end cap 34 and between end cap 34 and body assembly 32 because sporadic collision is rubbed and damages; and then the working life of energy extension element; again because element can not collision friction mutually; so also can effectively avoid industrial safety disaster, improve safety in utilization, so really object of the present invention can be reached.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (14)
1. the shaft seal of a tool protective action, be sheathed on the rotatingshaft of a machinery, and be locked in this machinery, this shaft seal comprises an axle sleeve, it is characterized in that: this shaft seal also comprises at least one body assembly, at least one black box, at least one end cap, and at least one protective pad, this axle sleeve is sheathed on this rotatingshaft, and the definition of this axle sleeve has a processing procedure side and an atmospheric side, it is outside that this body assembly is sheathed on this axle sleeve, this body assembly includes a passage that can run through for this rotatingshaft, one can supply a working fluid and the room communicated with this passage, sealing assembly is sheathed between this axle sleeve outside and this body assembly, this end cap is arranged on this axle sleeve and is also close to this atmospheric side, this protective pad to be located on this axle sleeve and between this end cap and this body assembly, this protective pad has a pad, and one to be formed on this pad and the perforate that can stretch through for this axle sleeve, this pad one surface is convexly equipped with the first flange that one day, this processing procedure side direction extended.
2. have the shaft seal of protective action as claimed in claim 1, it is characterized in that:
This body assembly has at least one body, and this inner body wall offers at least one locating slot towards the position of this processing procedure side direction, and this inner body wall offers at least one caulking groove towards the position in this axle sleeve direction.
3. have the shaft seal of protective action as claimed in claim 2, it is characterized in that:
This shaft seal also includes that to be located at this axle sleeve outside and be positioned at this body and have at least one transfer rings of at least one groove.
4. have the shaft seal of protective action as claimed in claim 1 or 2, it is characterized in that:
Sealing assembly includes one and is sheathed on the seal ring group that the outside and one end of this axle sleeve is connected with this body assembly, sealing ring group has at least onely to be located at the outside and swivel becket that can rotate with this axle sleeve of this axle sleeve, at least onely to abut the stationary ring of this swivel becket, at least one compression ring being connected to this stationary ring with one end, and abuts at least one elastic element of this compression ring and this body assembly respectively.
5. have the shaft seal of protective action as claimed in claim 2, it is characterized in that:
This body also has at least one pair of and appears and the communication port be communicated with this room outward.
6. have the shaft seal of protective action as claimed in claim 1, it is characterized in that:
Two opposed surface of this pad be respectively convexly equipped with respectively towards this processing procedure side, one first flange that extends of this atmospheric side direction and one second flange.
7. have the shaft seal of protective action as claimed in claim 6, it is characterized in that:
This first flange and this second flange form circular arc convex ring body, and adjacent loops is around in around central hole.
8. have the shaft seal of protective action as claimed in claim 6, it is characterized in that:
This first flange and this second flange are the contacting part with at least one protrusion.
9. have the shaft seal of protective action as claimed in claim 8, it is characterized in that:
This first flange and this second flange are has at least one depressed part.
10. have the shaft seal of protective action as claimed in claim 1, it is characterized in that:
This protective pad is made by engineered plastics material.
11. shaft seals of having protective action as claimed in claim 1, is characterized in that:
This first flange forms circular arc convex ring body, and adjacent loops is around in around central hole.
12. shaft seals of having protective action as claimed in claim 1, is characterized in that:
This first flange has the contacting part of at least one protrusion.
13. shaft seals of having protective action as claimed in claim 12, is characterized in that:
This first flange is for having at least one depressed part.
14. shaft seals of having protective action as claimed in claim 1, is characterized in that:
This protective pad is made by fire proofing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010110924.9A CN102147011B (en) | 2010-02-08 | 2010-02-08 | The shaft seal of tool protective action |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010110924.9A CN102147011B (en) | 2010-02-08 | 2010-02-08 | The shaft seal of tool protective action |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102147011A CN102147011A (en) | 2011-08-10 |
| CN102147011B true CN102147011B (en) | 2015-08-26 |
Family
ID=44421415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010110924.9A Active CN102147011B (en) | 2010-02-08 | 2010-02-08 | The shaft seal of tool protective action |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102147011B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2230881A (en) * | 1939-07-27 | 1941-02-04 | American Brake Shoe & Foundry | Rotary seal |
| US3836183A (en) * | 1971-03-17 | 1974-09-17 | Pike And Foundry Co | Flange joint |
| CN1056925A (en) * | 1990-03-12 | 1991-12-11 | 约翰起重机有限公司 | The improvement of barrier seal systems |
| CN2216164Y (en) * | 1994-10-11 | 1995-12-27 | 李家林 | Centrifugal pump |
| CN2432391Y (en) * | 2000-06-13 | 2001-05-30 | 石油大学(华东) | Linear fluid dynamic channel upstream pumping machine seal |
| CN2474815Y (en) * | 2001-05-15 | 2002-01-30 | 祥景精机股份有限公司 | Clamping type shaft sealing device for rotary machine |
| CN2916281Y (en) * | 2006-03-15 | 2007-06-27 | 刘明辉 | Dedicated mechanical sealing device for inflammable explosive medium |
| CN200968421Y (en) * | 2006-11-20 | 2007-10-31 | 河南省中原大化集团有限责任公司 | Bellow type machine oil seal |
| CN201554851U (en) * | 2009-07-01 | 2010-08-18 | 舟山市金寿船舶机械有限公司 | rubber gasket |
-
2010
- 2010-02-08 CN CN201010110924.9A patent/CN102147011B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2230881A (en) * | 1939-07-27 | 1941-02-04 | American Brake Shoe & Foundry | Rotary seal |
| US3836183A (en) * | 1971-03-17 | 1974-09-17 | Pike And Foundry Co | Flange joint |
| CN1056925A (en) * | 1990-03-12 | 1991-12-11 | 约翰起重机有限公司 | The improvement of barrier seal systems |
| CN2216164Y (en) * | 1994-10-11 | 1995-12-27 | 李家林 | Centrifugal pump |
| CN2432391Y (en) * | 2000-06-13 | 2001-05-30 | 石油大学(华东) | Linear fluid dynamic channel upstream pumping machine seal |
| CN2474815Y (en) * | 2001-05-15 | 2002-01-30 | 祥景精机股份有限公司 | Clamping type shaft sealing device for rotary machine |
| CN2916281Y (en) * | 2006-03-15 | 2007-06-27 | 刘明辉 | Dedicated mechanical sealing device for inflammable explosive medium |
| CN200968421Y (en) * | 2006-11-20 | 2007-10-31 | 河南省中原大化集团有限责任公司 | Bellow type machine oil seal |
| CN201554851U (en) * | 2009-07-01 | 2010-08-18 | 舟山市金寿船舶机械有限公司 | rubber gasket |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102147011A (en) | 2011-08-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2636931B1 (en) | Seal device | |
| CN102147011B (en) | The shaft seal of tool protective action | |
| CN103090014B (en) | Cartridge counter-pressure-resshaftt shaftt seal | |
| CN203926119U (en) | A kind of large-diameter tandem double mechanical seal | |
| CN207406420U (en) | A kind of piston of gasoline engine ring | |
| CN103994226B (en) | Multi-purpose type packaging double-end-face sealing device for agitated vessel top | |
| CN202814050U (en) | Rotary kiln and combined sealing device thereof | |
| CN102478009A (en) | Dyeing pump | |
| CN105370891A (en) | Hydrodynamic machine | |
| CN205479345U (en) | Multistage seal assembly of superhigh pressure | |
| CN205349835U (en) | Single -stage high speed centrifugation formula air -blower magnetic fluid seal structure | |
| CN201368057Y (en) | Mechanical sealing device | |
| CN102094972A (en) | Shaft gland | |
| CN205371894U (en) | Explosion -proof high temperature resistant whirl compensator | |
| CN209604722U (en) | Flange protecting construction | |
| CN105926192B (en) | A kind of oilproof throwing cam structure | |
| CN101963228B (en) | Cartridge type double-shaft seal | |
| CN220522872U (en) | High temperature fan leak protection wind sealing device | |
| CN201155482Y (en) | Centrifugal pump seal device | |
| US3430967A (en) | Seal for a high speed shaft | |
| CN201963581U (en) | High alloy wear-resisting shaft sleeve assembly device | |
| CN202991878U (en) | Sealing structure of combined part of transmission end cover and inner oil seal | |
| CN204947790U (en) | Submersible motor axle stretch end seal | |
| CN205446068U (en) | Magnetic drive pump | |
| CN103644000B (en) | Gland seal structure between a kind of steam turbine stator part |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |