CN102147011A - Shaft seal with protection effect - Google Patents
Shaft seal with protection effect Download PDFInfo
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- CN102147011A CN102147011A CN2010101109249A CN201010110924A CN102147011A CN 102147011 A CN102147011 A CN 102147011A CN 2010101109249 A CN2010101109249 A CN 2010101109249A CN 201010110924 A CN201010110924 A CN 201010110924A CN 102147011 A CN102147011 A CN 102147011A
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- axle
- axle sleeve
- flange
- protective action
- envelope
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Abstract
The invention relates to a shaft seal with the protection effect, which is installed on a rotating shaft of mechanical equipment. The shaft seal contains a shaft sleeve, a main body group, a sealing component, an end cover and a protection pad, wherein the shaft sleeve penetrates through the rotating shaft; the main body group is sleeved outside the shaft sleeve; the sealing component is sleeved between the outside of the shaft sleeve and the main body component; the end cover penetrates through the shaft sleeve; and the protection pad is arranged on the shaft sleeve and is positioned between the end cover and the main body component. Through the design of the protection pad, the components are hard to mutually collide and rub to avoid the industrial safety hazards caused by sparks due to friction and collision on industrial occasions needing explosion protection and further effectively improve the use safety.
Description
Technical field
The present invention relates to a kind of envelope, be meant a kind of axle envelope that can effectively improve the tool protective action of safety in utilization especially.
Background technique
Gland seal device is to be applied in the axle joint sealing of rotary machine equipment, and is installed on the gap location of equipment wall surface and mandrel, is oozed out by the pivot-connecting position in order to avoid fluid or gas pressure in the reaction tank.
As shown in Figure 1, be a kind of existing shaft seal structure, be TaiWan, China is announced the schematic representation of No. 459938 " the clamping type gland seal device that rotary machine is used ".The gland seal device 2 that this case disclosed includes an axle sleeve 21 that is sheathed on the axle 10 of rotary machine 1, one to be sheathed on axle sleeve 21 versatilely outside and be positioned at the first swivel becket group 22 of the axis hole 12 of rotary machine 1, one first axle collar 23 that is sheathed on axle sleeve 21 outsides versatilely and is positioned at axis hole 12 nearly end places and is connected with the first swivel becket group 22, one is locked on the enclosing cover 24 that rotary machine 1 and butt are fixed 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, reaches one and be placed on the axle sleeve 21 and be positioned at enclosing cover 24 outsides and be fixed in second axle collar 26 on the axle 10 jointly with axle sleeve 21.
This first swivel becket group 22 comprises that first swivel becket 221, one first seat ring 222, an end butt first swivel becket 221 the other ends that are connected with on axle sleeve 21 by fixing pin 223 then stretch the first butt ring 224 that places in first seat ring 222, and a compression ring 225 of being located at first seat ring, 222 1 sides.And first axle collar 23 is close to this ora terminalis of the first swivel becket groups 22 and is provided with most spring 231 butt compression rings 225.Again, this enclosing cover 24 is inner to form one provides axle sleeve 21 to run through wherein through hole 241, and contiguous first axle collar 23 places form a containing groove 242 that is connected with through hole 241, be provided with in addition on the enclosing cover 24 and connect to the inlet 243 of containing groove 242 from the outside and export 244, this inlet 243 and export 244 input end and the output terminals that are connected the working fluid conduit respectively.
This second swivel becket group 25 comprise one be fixedly arranged on the axle sleeve 21 and with second swivel becket 251 of axle sleeve 21 with axle 10 turns, one be fixedly arranged on the axle sleeve 21 and through hole 241 that an end is arranged in enclosing cover 24 in addition end then be arranged in second seat ring 252 of containing groove 242, and an end is stretched and is placed second swivel becket 251 and one second butt ring 253 that the other end and second seat ring 252 connect, the recessed edge 255 of uniform most water conservancy diversion on second swivel becket, 251 outer circumferential faces, between containing groove 242 sidewalls of second seat ring, 252 sides and enclosing cover 24 most springs 254 are installed, side then connects with second swivel becket 251 in addition.
On-stream, when the axle 10 of rotary machine 1 is rotated with transmission liquid, liquid can produce internal axial pressure to gland seal device 2, at this moment, can be via the spring 231 of 22 of first axle collar 23 in the gland seal device 2 and the first swivel becket groups, and the compressing of second swivel becket group 25 and enclosing cover 24 spring 254 of asking, make this first butt ring 224 and first swivel becket 221 respectively, second seat ring 252 and the second butt ring 253 constitute urgent subsides and touch face, with this liquid internal pressure that contends with jointly, guarantee the sealed against leakage effect, and when the axle 10 of machinery 1 is rotated, because of second swivel becket 251 of the second swivel becket group 25 can be with axle 10 rotations, and just working fluid is produced an effect of stirring continuously in recessed edge 255 rotations of most water conservancy diversion that second swivel becket, 251 side faces are laid, the velocity of liquid assets of forced working fluid is accelerated, and the guiding working fluid is imported by inlet 243 naturally swimmingly, discharge by outlet 244 again, and can not need additionally to increase under the state of working fluid pressure, reach the cool cycles effect, simultaneously the poisonous fluid of energy separation process side.
Yet, when rotating because of the axle 10 of machinery 1, the gland seal device of being located on the rotating machinery 2 can be influenced by the vibration of equipment itself, for example axially and radially beat is excessive and produce vibration the axle center on the equipment, this moment is because of having a utmost point short spacing between second axle collar 26 and enclosing cover 24 outer side surfaces, cause enclosing cover 24 easily with second axle collar 26 or be installed on other element collision friction on the enclosing cover 24 and cause and produce spark or damage, if be used in the industrial occasions of requirement of explosion proof, high risks such as the working fluid tool is explosive, inflammable are easier to take place the industrial safety disaster.
Summary of the invention
The objective of the invention is is providing a kind of element that can make to be difficult for mutual collision friction, avoids causing the industrial safety disaster because of friction, bump produce spark, can effectively improve the axle envelope 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 axle envelope of a kind of tool protective action that proposes according to the present invention; be to be sheathed on the rotatingshaft of a machinery; and be locked on this machinery; this package contains an axle sleeve; this envelope 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 this axle sleeve definition has a processing procedure side and an atmospheric side; this body assembly is sheathed on this axle sleeve outside; this body assembly includes a passage that can supply this rotatingshaft to run through; one can be for working fluid circulation and the room that communicates with this passage; the sealing assembly is sheathed between this axle sleeve outside and this body assembly; this end cap is arranged on this axle sleeve and contiguous this atmospheric side, and this protective pad is 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 axle envelope 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 of this axle sleeve direction.
Preferably, the axle envelope of aforesaid tool protective action, wherein this envelope also includes and is located at least one transfer rings that this axle sleeve is outside and be positioned at this body and have at least one groove.
Preferably; the axle envelope of aforesaid tool protective action; wherein the sealing assembly includes one and is sheathed on the seal ring group that this axle sleeve is outside and an end is connected with this body assembly; sealing ring group has at least onely is located at swivel becket, at least one stationary ring with this swivel becket of end butt, at least one compression ring that is connected to this stationary ring that this axle sleeve is outside and can rotate with this axle sleeve, and at least one elastic element of this compression ring of butt and this body assembly respectively.
Preferably, the axle envelope of aforesaid tool protective action, wherein this body also has at least one pair of outer communication port that appears and be communicated with this room.
Preferably, the axle envelope of aforesaid tool protective action, wherein this protective pad has a pad, and one is formed on this pad and the perforate that can supply this axle sleeve to stretch through.
Preferably, the axle envelope of aforesaid tool protective action, wherein this pad one surface convexes with first flange that one day, this processing procedure side direction extended.
Preferably, the axle envelope of aforesaid tool protective action, wherein two of this pad opposite surfaces respectively convex with one first flange and one second flange that extends towards this processing procedure side, this atmospheric side direction respectively.
Preferably, the axle envelope of aforesaid tool protective action, wherein this first flange and this second flange are to form the circular arc convex ring body, and adjacent loops is around in around the central hole.
Preferably, the axle envelope of aforesaid tool protective action, wherein this first flange and this second flange are the contacting part with at least one protrusion.
Preferably, the axle envelope of aforesaid tool protective action, wherein this first flange and this second flange are and have at least one depressed part.
Preferably, the axle envelope of aforesaid tool protective action, wherein this protective pad is made by the engineering plastics material.
Preferably, the axle envelope of aforesaid tool protective action, wherein this first flange is to form the circular arc convex ring body, and adjacent loops is around in around the central hole.
Preferably, the axle envelope of aforesaid tool protective action, wherein this first flange has the contacting part of at least one protrusion.
Preferably, the axle envelope of aforesaid tool protective action, wherein this first flange is for having at least one depressed part.
Preferably, the axle envelope of aforesaid tool protective action, wherein this protective pad is made by fire proofing material.
The present invention compared with prior art has tangible advantage and beneficial effect.As known from the above, for achieving the above object, the axle envelope of tool protective action of the present invention is to be installed on the rotatingshaft of a machinery, and this package contains:
One axle sleeve is sheathed on this rotatingshaft, and this axle sleeve definition 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 supply this rotatingshaft to run through can be for working fluid circulation and the room that communicates 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 contiguous this atmospheric side; And
At least one protective pad is located on this axle sleeve and between this end cap and this body assembly.
By technique scheme; the axle envelope of tool protective action of the present invention has following advantage and beneficial effect at least: beneficial effect of the present invention is; can make element be difficult for mutual collision friction; avoid causing the industrial safety disaster, can effectively improve safety in utilization because of friction, bump produce spark.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is an assembled sectional view, illustrates that TaiWan, China announces " the clamping type gland seal device that rotary machine is used " novel patent case No. 459938.
Fig. 2 is the assembled sectional view of a preferred embodiment of axle envelope of the present invention.
Fig. 3 is that the protective pad of this preferred embodiment is the sectional view that is the ring body shape.
Fig. 4 is the 1st a variation aspect schematic representation of the protective pad of this preferred embodiment.
Fig. 5 is the 2nd a variation aspect schematic representation of the protective pad of this preferred embodiment.
Fig. 6 is the 3rd a variation aspect schematic representation of the protective pad of this preferred embodiment.
Fig. 7 is the 4th a variation aspect schematic representation of the protective pad of this preferred embodiment.
Fig. 8 is the 5th a variation aspect schematic representation of the protective pad of this preferred embodiment.
Fig. 9 is the 6th a variation aspect schematic representation of the protective pad of this preferred embodiment.
Figure 10 is the 7th a variation aspect schematic representation of the protective pad of this preferred embodiment.
Figure 11 is the 8th a variation aspect schematic representation of the protective pad of this preferred embodiment.
Figure 12 is the 9th a variation aspect schematic representation of the protective pad of this preferred embodiment.
Figure 13 is the 10th a variation aspect schematic representation of the protective pad of this preferred embodiment.
Figure 14 is the 11st a variation aspect schematic representation of the protective pad of this preferred embodiment.
Figure 15 is the 12nd a variation aspect schematic representation of the protective pad of this preferred embodiment.
Figure 16 is the 13rd a variation aspect schematic representation of the protective pad of this preferred embodiment.
Figure 17 is the 14th a variation aspect schematic representation of the protective pad of this preferred embodiment.
Figure 18 is the 15th a variation aspect schematic representation of the protective pad of this preferred embodiment.
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention; below in conjunction with accompanying drawing and preferred embodiment; its embodiment of axle envelope, structure, feature and the effect thereof of the tool protective action that foundation the present invention is proposed, describe in detail as after.
Seeing also shown in Figure 2ly, is the assembled sectional view of a preferred embodiment of axle of the present invention envelope.One preferred embodiment of axle envelope 3 of the present invention is to do explanation with twin shaft envelope pattern, and this envelope 3 is in order to be installed on the machinery 4.This of a preferred embodiment of the present invention envelope 3 comprises; the body assembly 32, one that one axle sleeve 31, is sheathed on axle sleeve 31 outsides be sheathed on this axle sleeve 31 outside with this body assembly 32 between black box 33, be arranged in end cap 34 on this axle sleeve 31, reach one and be located on this axle sleeve 31 and the protective pad 35 between this end cap 34 and this body assembly 32.
This axle sleeve 31 is to be arranged on the rotatingshaft 41, and definition has a processing procedure side A towards the reaction tank direction of machinery 4, and an atmospheric side B in contrast to processing procedure side A.The above-mentioned end cap 34 that is positioned on the axle sleeve 31 is to be adjacent to this atmospheric side B.What specify is that axle sleeve 31 can be one-body molded with end cap 34 or can be connected discretely that in the present embodiment, this end cap 34 is to adopt the latter.
This body assembly 32 has at least one body 36, this body 36 is axially arranged with a passage that can axially run through for the receiving bore 361, that axle sleeve 31 and rotatingshaft 41 run through 362, in centre can be for the room 363 of working fluid circulation, and at least one communication port 364 that is revealed in outer circumferential face and is communicated with room 363.
This first seal ring group 38 has to be located at outside and first swivel becket 381 that can rotate with this axle sleeve 31 of this axle sleeve 31, to be connected to the compression ring 383 of these first stationary ring, 382 1 sides with one first stationary ring 382, of this first swivel becket 381 of end butt, and at least one first elastic element 384 of this compression ring 383 of butt and this body 36 respectively.And this second seal ring group 39 have one be connected with second swivel becket 391 in 31 on this transfer rings 30 and this axle sleeve, with one second stationary ring 392 of this second swivel becket 391 of end butt, and at least one second elastic element 393 that is arranged on this body 36 and can distinguishes this second stationary ring 392 of butt and this body 36.
In addition, sealing assembly 33 also includes two leakage washers 331,332 that are sheathed on respectively on first swivel becket 381 and first stationary ring 382, and the isolated packing ring 333,334 that connects with a side and two leakage washers 331,332 respectively.
See also Fig. 2, shown in Figure 3, Fig. 3 is the sectional view that the protective pad of this preferred embodiment is the ring body shape.35 of protective pads are by engineering plastics or the made ring-type pad of fire proofing material, and central authorities have a central hole 351 that can supply axle sleeve 31 and rotatingshaft 41 to run through simultaneously.
Consult Fig. 2, axle envelope 3 of the present invention in the use, it is the axle joint sealing 42 that body 36 is locked in rotary machine equipment 4 by bolt 51, this joint sealing 42 also is provided with a Seal cage 43 that communicates with processing procedure side A, the processing procedure side A of aforementioned axle sleeve 31, first body 36 and be connected with all to stretch with described leakage washer 331,332 and described isolated packing ring 333,334 in the first seal ring group 38 of the two and place sealing chamber 43.When startup rotatingshaft 41 is rotated start; by end cap 34 that axle sleeve 31 and rotatingshaft 41 is fastening sheathed; therefore; by the rotation of this rotatingshaft 4 interlock axle sleeve 31, first swivel becket 381 simultaneously; reach component synchronization rotations such as second swivel becket 391; tool pressure in the processing procedure side A of machinery 4 can guarantee that machinery 4 reaches the sealed against leakage effect when carrying liquid.In addition, because of transfer rings 30 is rotated with rotatingshaft 41 together with second swivel becket 391, so the described guiding gutter of being located on transfer rings 30 periphery walls 302 can produce an effect of stirring continuously to working fluid, the forced working fluid quickens to flow, and the guiding working fluid is imported and is discharged by communication port 364 swimmingly naturally, and can not need additionally to increase under the state of working fluid pressure, just can reach excellent cool cycles effect, can effectively completely cut off the poisonous fluid of processing procedure side simultaneously.
What specify is; axle envelope 3 is under running well; body 36 is difficult for contacting with end cap 34; but when rotatingshaft 41 high speed rotating; this envelope 3 is produced radially reach the axial dipole field phenomenon; this moment is by the setting of protective pad 35; can avoid end cap 34 in rotation process, to damage owing to rotatingshaft 41 is offset the excessive sporadic bump that produces; and then can prolong working life of element; be difficult for mutual collision friction because of described element again; so also can prevent from effectively to improve safety in utilization because of the friction-produced spark causes the industrial safety disaster.
Seeing also Fig. 4, shown in Figure 5, is the 1st, the 2nd variation aspect schematic representation of the protective pad of this preferred embodiment.Fig. 4 is that the 1st of protective pad 35 changes aspect; two opposite surfaces are towards the gradually shape inclination convergence of circumferential surface direction by central hole 351; or as shown in Figure 5 by central hole 351 towards the circumferential surface direction gradually shape tilt to enlarge; can also reduce the area of contact of 34 of protective pad 35 and end caps whereby, can also avoid protective pad 35 and end cap 34 excessive applyings and produce high radiation or noise.
See also shown in Figure 6, be this preferred embodiment protective pad the 3rd change the aspect schematic representation.Fig. 6 is that the another kind of protective pad 35 changes aspect, and wherein a surface convexes with first flange 352 that one day, this processing procedure side A direction was extended.Be applicable to the bigger situation of pitch space between end cap 34 and the body assembly 32 whereby; with less first flange, the 352 contact bodies 36 of area; in case 352 wearing and tearing of first flange totally; protective pad 35 has still partly that pad is present between body assembly 32 and the end cap 34, allows still unlikely generation direct collision rubs between body assembly 32 and the end cap 34.What specify is that first flange 352 also can be positioned at away from central hole 351 positions as shown in Figure 7 except being positioned at 351 positions, adjacent central hole as shown in Figure 4.In addition, first flange, 352 madial walls can also be as shown in Figure 8 by central hole 351 peripheries towards the gradually shape arcuation convergence of protective pad 35 circumferential surface directions.
Seeing also Fig. 9, shown in Figure 10, is respectively the 6th, the 7th variation aspect schematic representation of the protective pad of this preferred embodiment.Protective pad 35 another opposed surface also can convex with second flange 353 that one day, this atmospheric side B direction was extended, and described second flange 353 is positioned at 351 positions, adjacent central hole as equally also can be as shown in Figure 6 or is positioned at away from central hole 351 positions.
See also shown in Figure 11, be this preferred embodiment protective pad the 8th change the aspect schematic representation.Protective pad 35 another variation aspect of the present invention, first flange 352 of this protective pad 35 and second flange 353 are to form the circular arc convex ring body, and adjacent loops is around in around the central hole 351.Can provide equally whereby to avoid reaching between body 36 and the end cap 34 between the body 36 and second stationary ring 392 and damage because of long-time friction, prolong the working life of element, reach element and be difficult for mutual collision friction and produce spark, and then initiation fire, so can effectively improve safety in utilization.In addition, first flange 352 of this protective pad 35 and second flange 353 also can form the triangle ring body as shown in figure 12.
See also shown in Figure 13, Figure 14, Figure 15, Figure 16, be respectively this preferred embodiment protective pad the 10th, the 11st, the 12nd, the 13rd change the aspect schematic representation.Figure 13-Figure 16 is a little in addition aspects that change of protective pad 35 shown in Figure 2; first flange 352 of this protective pad 35 and second flange 353 have a triangle or circular-arc depressed part 354,355 respectively, reach the contacting part 356,357 that is formed at each depressed part 354,355 periphery respectively and is convex shape.
See also shown in Figure 17, be this preferred embodiment protective pad the 14th change the aspect schematic representation.First flange 352 of protective pad 35 and second flange 353 can also have generally the take the shape of the letter U depressed part 354,355 of shape of two sections respectively, and are formed at each depressed part 354,355 periphery respectively and are the contacting part 356,357 of convex shape.
What specify is the aspect of above-mentioned Fig. 3-Figure 16, all can have the area of contact of 34 of minimizing protective pad 35 and end caps equally, can also avoid protective pad 35 and end cap 34 excessive applyings and produce high radiation or noise
Seeing also Figure 18 institute, is the 15th variation aspect schematic representation of the protective pad of this preferred embodiment.The circumferential surface of protective pad 35 can also radially deeply be formed with a ring groove 358, and the advantage of material-saving can also be provided whereby.
Conclude above-mentioned; the axle envelope 3 of tool protective action of the present invention is by above-mentioned structure design; really can avoid reaching between body 36 and the end cap 34 between end cap 34 and the body assembly 32 and damage because of sporadic collision friction; and then can prolong working life of element; again because of element collision friction mutually not; so also can effectively avoid the industrial safety disaster, improve safety in utilization, so can reach purpose of the present invention really.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (16)
1. the axle of a tool protective action seals; be to be sheathed on the rotatingshaft of a machinery; and be locked on this machinery; this package contains an axle sleeve; it is characterized in that: this envelope 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 this axle sleeve definition has a processing procedure side and an atmospheric side; this body assembly is sheathed on this axle sleeve outside; this body assembly includes a passage that can supply this rotatingshaft to run through; one can be for working fluid circulation and the room that communicates with this passage; the sealing assembly is sheathed between this axle sleeve outside and this body assembly; this end cap is arranged on this axle sleeve and contiguous this atmospheric side, and this protective pad is located on this axle sleeve and between this end cap and this body assembly.
2. have the axle envelope of protective action according to 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 of this axle sleeve direction.
3. as the axle envelope of tool protective action as described in the claim 2, it is characterized in that:
This envelope also includes is located at least one transfer rings that this axle sleeve is outside and be positioned at this body and have at least one groove.
4. have the axle envelope of protective action as claimed in claim 1 or 2, it is characterized in that:
The sealing assembly includes one and is sheathed on the seal ring group that this axle sleeve is outside and an end is connected with this body assembly, sealing ring group has at least onely is located at swivel becket, at least one stationary ring with this swivel becket of end butt, at least one compression ring that is connected to this stationary ring that this axle sleeve is outside and can rotate with this axle sleeve, and at least one elastic element of this compression ring of butt and this body assembly respectively.
5. as the axle envelope of tool protective action as described in the claim 2, it is characterized in that:
This body also has at least one pair of outer communication port that appears and be communicated with this room.
6. have the axle envelope of protective action according to claim 1, it is characterized in that:
This protective pad has a pad, and one is formed on this pad and the perforate that can supply this axle sleeve to stretch through.
7. as the axle envelope of tool protective action as described in the claim 6, it is characterized in that:
This pad one surface convexes with first flange that one day, this processing procedure side direction extended.
8. as the axle envelope of tool protective action as described in the claim 6, it is characterized in that:
Two opposite surfaces of this pad respectively convex with one first flange and one second flange that extends towards this processing procedure side, this atmospheric side direction respectively.
9. as the axle envelope of tool protective action as described in the claim 8, it is characterized in that:
This first flange and this second flange are to form the circular arc convex ring body, and adjacent loops is around in around the central hole.
10. as the axle envelope of tool protective action as described in the claim 8, it is characterized in that:
This first flange and this second flange are the contacting part with at least one protrusion.
11. the axle envelope as tool protective action as described in the claim 10 is characterized in that:
This first flange and this second flange are has at least one depressed part.
12. have the axle envelope of protective action according to claim 1, it is characterized in that:
This protective pad is made by the engineering plastics material.
13. the axle envelope as tool protective action as described in the claim 7 is characterized in that:
This first flange is to form the circular arc convex ring body, and adjacent loops is around in around the central hole.
14. the axle envelope as tool protective action as described in the claim 7 is characterized in that:
This first flange has the contacting part of at least one protrusion.
15. the axle envelope as tool protective action as described in the claim 14 is characterized in that:
This first flange is for having at least one depressed part.
16. have the axle envelope of protective action according to claim 1, it 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 true CN102147011A (en) | 2011-08-10 |
| CN102147011B CN102147011B (en) | 2015-08-26 |
Family
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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 |
|---|---|
| CN102147011B (en) | 2015-08-26 |
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