CN103201544B - Mechanical seal - Google Patents
Mechanical seal Download PDFInfo
- Publication number
- CN103201544B CN103201544B CN201180048140.0A CN201180048140A CN103201544B CN 103201544 B CN103201544 B CN 103201544B CN 201180048140 A CN201180048140 A CN 201180048140A CN 103201544 B CN103201544 B CN 103201544B
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- China
- Prior art keywords
- protuberance
- recess
- running shaft
- parting plane
- along
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3464—Mounting of the seal
- F16J15/3488—Split-rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Sealing (AREA)
- Sealing Devices (AREA)
Abstract
The present invention pertains to a mechanical seal (1) provided with at least: a rotary ring (3) that reduces gaps in split cross-sections of the mechanical seal (1), and is driven by a rotating shaft of a rotating device so as to rotate; a seal ring (4) that comes into contact with the rotary ring (3) in the axial direction of the rotating shaft; and a gland cover (5) that covers the seal ring (4) and the outside thereof in a sealed state. The mechanical seal (1) is further provided with: protruding sections (80 to 83) that split at least the rotary ring (3), the seal ring (4) and the gland cover (5) in the radial direction, and that protrude toward one surface of the split surface (58) of at least the gland cover (5) and the other surface of the split surface (58); and recessed sections (70 to 73) that mate with the protruding sections on the other surface.
Description
Technical field
The present invention relates to a kind of mechanical sealing element, especially relate to the mechanical sealing element radially can split of the rotating equipment installing this mechanical sealing element.
Background technique
Mechanical sealing element all the time as the rotating equipment such as pump or stirrer axial sealing mechanism and be widely used.Mechanical sealing element is made up of multiple annular component.Therefore, when being installed to rotating equipment by mechanical sealing element or when dismantling from rotating equipment, need a part for rotating equipment to decompose, therefore installation or removal need great labour.In order to alleviate the operation labour of this installation or removal, have developed the Splittable mechanical sealing element (for example, referring to patent documentation 1) that the radial direction along rotating equipment is split structure member.
[at first technical paper]
[patent documentation]
Patent documentation 1: Japanese Unexamined Patent Publication 2002-048248 publication
Summary of the invention
(inventing the problem that will solve)
By the structure member of mechanical sealing element along its radial segmentation time, even if the changing of the relative positions in the changing of the relative positions axially of its parting plane or radial direction orthogonal with it produces minutely, shaft sealing also can become incomplete, and the leakage of oil or water etc. easily occurs.When disclosed in above-mentioned patent documentation 1 when mechanical sealing element, the pin being called as adjusting pin is inserted into each segmentation cross section orthogonal of sleeve or sealing cover in the hole that formed, prevent this axis respectively on segmentation cross section and the changing of the relative positions in radial direction thus.But, owing to there is gap between pin and hole, therefore due to the existence in this gap, cause described each segmentation cross section produces the changing of the relative positions, be installed on sleeve or being divided on two-part slide member of sealing cover also produces the equal changing of the relative positions, consequently, there is the problem occurring to leak.
The object of the invention is to solve above-mentioned problem, that is, reduce the changing of the relative positions on the segmentation cross section of mechanical sealing element.
(for solving the means of problem)
One embodiment of the present invention for realizing above-mentioned purpose relates to a kind of mechanical sealing element, it at least possesses: be driven in the running shaft of rotating equipment and the rotating ring rotated, the seal ring abutted with rotating ring in the axial direction of the rotation shaft, the sealing cover in the outside of sealing ring is covered in the mode becoming sealing state between sealing ring, described mechanical sealing element is to major general's rotating ring, seal ring and sealing cover are along its radial segmentation, on the face of a side of the parting plane of sealing cover, at least possess the protuberance outstanding towards the face of the opposing party of parting plane, and on the face of the opposing party, possess the recess chimeric with protuberance.
Another embodiment of the present invention relates to a kind of mechanical sealing element, also possess and be driven in running shaft and rotate and cover the sleeve in the outside of rotating ring in the mode becoming sealing state between rotating ring, the face of a side of the parting plane of sleeve possesses the protuberance outstanding towards the face of the opposing party of parting plane, and possess the recess chimeric with protuberance on the face of the opposing party.
Another embodiment of the present invention relates to a kind of mechanical sealing element, and then, protuberance be along the either direction in the face of parting plane longer extend each to different form, recess in each to chimeric each to different form of the protuberance of different form.
Another embodiment of the present invention relates to a kind of mechanical sealing element, and then, possess multiple respectively to the protuberance of different form, multiple protuberance comprises: the first protuberance extended along running shaft axially longer, along the second protuberance of extending of the longer ground of the radial direction of running shaft, recess respectively to different form comprises: chimeric with the first protuberance, and the first recess extended along running shaft axially longer, chimeric with the second protuberance, and along the second recess of extending of the longer ground of the radial direction of running shaft.
Another embodiment of the present invention relates to a kind of mechanical sealing element, and then, mutually opposing parting plane possesses two recesses extended along same direction respectively longlyer, the recess of the side in these two recesses is embedded with the pin forming protuberance, and the recess of the opposing party in these two recesses is chimeric with the exposed surface of pin when involutory parting plane.
Another embodiment of the present invention relates to a kind of mechanical sealing element, and then pin is fixed to the volume exceeding this pin half and is embedded in state in the recess of a side.
Another embodiment of the present invention relates to a kind of mechanical sealing element, and then, by radially split respectively to major general's rotating ring, seal ring and sealing cover split rotating ring, split seal ring and split sealing cover form two prepackage parts.
Another embodiment of the present invention relates to a kind of mechanical sealing element, and then, the face of a side of parting plane has the overlay be made up of fluorine resin, stacked overlay on the face of the opposing party of parting plane, and then on overlay stacked elastic bonding layer, when involutory described parting plane, be configured to elastic bonding layer and be clipped in state between described overlay.
(invention effect)
According to the present invention, the changing of the relative positions on the segmentation cross section of mechanical sealing element can be reduced.
Accompanying drawing explanation
Fig. 1 is the exploded perspective view mechanical sealing element of the first mode of execution of the present invention being carried out exploded and illustrates.
Fig. 2 is by the exploded perspective view shown in a decomposition of the prepackage part of the mechanical sealing element shown in pie graph 1.
Fig. 3 is the side view observed from parting plane side of of the prepackage part shown in Fig. 1.
Fig. 4 is the plan view observed from atmospheric side towards equipment side of the mechanical sealing element shown in Fig. 1.
Fig. 5 be the protuberance that is formed on the clamp coupling shown in Fig. 2 is amplified shown in stereogram.
Fig. 6 observes figure near the protuberance shown in Fig. 5 from equipment side.
Fig. 7 is in the loading operation of mechanical sealing element, make positioning screwn move to atmospheric side before and after and the figure of state before and after the dismounting of preset.
Fig. 8 be the protuberance on the clamp coupling of mechanical sealing element be formed on the second mode of execution is amplified shown in stereogram.
Fig. 9 be the protuberance on the clamp coupling of mechanical sealing element be formed on the 3rd mode of execution is amplified shown in stereogram.
(symbol description)
1 mechanical sealing element
1a, 1b pre-install part
2 sleeves
2a, 2b clamp coupling
3 rotating rings
3a, 3b split rotating ring
4 seal rings
4a, 4b split seal ring
5 sealing covers
5a, 5b split sealing cover
18 parting planes
40,42 second recesses (recess)
41,43 first recesses (recess)
50,52 second protuberances (protuberance)
51,53 first protuberances (protuberance)
58 parting planes
70,72 second recesses (recess)
71,73 first recesses (recess)
80,82 second protuberances (protuberance)
81,83 first protuberances (protuberance)
150 hang pin (pin)
151 hang pin (pin)
170 recesses
171 protuberances
180 protuberances
B running shaft
Embodiment
Then, each mode of execution of mechanical sealing element of the present invention is described with reference to accompanying drawing.
< first mode of execution >
Fig. 1 is the exploded perspective view mechanical sealing element exploded of the first mode of execution of the present invention illustrated.Fig. 2 is by the exploded perspective view shown in a decomposition of the prepackage part of the mechanical sealing element shown in pie graph 1.Fig. 3 is the side view observed from parting plane side of of the prepackage part shown in Fig. 1.Fig. 4 is the plan view observed from atmospheric side towards equipment side of the mechanical sealing element shown in Fig. 1.
1. the schematic overall structure of mechanical sealing element
The mechanical sealing element 1 of the first mode of execution at least possess be driven in rotating equipment (after, referred to as " equipment ") running shaft B and the rotating ring 3 rotated, be driven in running shaft B and rotate and cover the sleeve 2 in the outside of rotating ring 3 in the mode becoming sealing state between rotating ring 3, at the seal ring 4 axially abutted with rotating ring 3 of running shaft B, the sealing cover 5 in the outside of seal ring 4 is covered in the mode becoming sealing state between seal ring 4, and, this mechanical sealing element 1 possesses to major general's rotating ring 3, sleeve 2, two prepackage part 1a that seal ring 4 and sealing cover 5 are split along the radial direction of running shaft B, 1b.Two prepackage parts 1a, 1b forming mechanical sealing element 1 all have the parting plane that can combine when left-hand tools axle B installs.Mechanical sealing element 1, except sleeve 2, rotating ring 3, seal ring 4, sealing cover 5, also possesses O type seal ring 6 ~ 9.O type seal ring 6 ~ 9 is also divided along its radial direction.Consequently, prepackage part 1a possesses clamp coupling 2a, splits rotating ring 3a, splits seal ring 4a, splits sealing cover 5a, splits O type seal ring 6a ~ 9a, and prepackage part 1b possesses clamp coupling 2b respectively, splits rotating ring 3b, splits seal ring 4b, splits sealing cover 5b, splits O type seal ring 6b ~ 9b.It should be noted that, prepackage part 1a, 1b not necessarily structure, also can not by clamp coupling 2a, split rotating ring 3a, split seal ring 4a, split sealing cover 5a integration, not by clamp coupling 2b, split rotating ring 3b, split seal ring 4b, split sealing cover 5b integration.
2. the summary of each construction element
2.1 sleeves (clamp coupling 2a+ clamp coupling 2b)
Sleeve 2 has substantially cylindrical shape.The both end sides of its length direction of sleeve 2 is formed diametrically significantly, possesses the space 10 for configuring rotating ring 3, seal ring 4 and sealing cover 5 in axial substantial middle region.Sleeve 2 is under the state being installed on running shaft B, is driven in running shaft B and one of the rotating ring rotated.In this embodiment, sleeve 2 is the construction element be made up of metal (being preferably SUS).Sleeve 2 possesses the protuberance 50 ~ 53 outstanding towards the face of the opposing party of this two parting plane 18,18 on the face of a side of two parting planes 18,18, and possesses the recess 40 ~ 43 chimeric with protuberance 50 ~ 53 on the face of the opposing party of two parting planes 18,18.At this, " being fitted together to " refers to the fastening state becoming tightlock status almost very close to each otherly.If illustrate concrete numerical value, then the gap between protuberance 50 ~ 53 and recess 40 ~ 43 is less than 5 μm, is preferably less than 3 μm, is more preferably 0 μm.
2.2 rotating rings (split rotating ring 3a+ and split rotating ring 3b)
Rotating ring 3 has substantially cylindrical shape.Rotating ring 3 is arranged on the interior position closest to equipment side, space 10 of sleeve 2, and is one of the rotating ring being driven in running shaft B and rotating.Rotating ring 3 is the construction element be such as made up of silicon carbide in this embodiment.
2.3 seal rings (split seal ring 4a+ and split seal ring 4b)
Seal ring 4 has flanged drum that a side is configured to large footpath.Seal ring 4 is arranged on the position connected with rotating ring 3 in space 10, is the travelling ring not being driven in running shaft B.Seal ring 4 is the construction element be such as made up of carbon in this embodiment.And in this embodiment, seal ring 4 is less than rotating ring 3, but also can be formed larger than rotating ring 3.
2.4 sealing covers (split sealing cover 5a+ and split sealing cover 5b)
Sealing cover 5 has substantially cylindrical shape short on length direction.A part is inserted in space 10 by sealing cover 5, is fixed on equipment via O type seal ring 8 with the state adjacent with seal ring 4.Sealing cover 5 is the construction element be made up of metal (being preferably SUS) in this embodiment.Sealing cover 5 possesses the protuberance 80 ~ 83 outstanding towards the face of the opposing party of this two parting plane 58,58 on the face of a side of two parting planes 58,58, and possesses the recess 70 ~ 73 chimeric with protuberance 80 ~ 83 on the face of the opposing party of two parting planes 58,58.Gap between protuberance 80 ~ 83 and recess 70 ~ 73 is less than 10 μm, is preferably less than 3 μm, is more preferably 0 μm.
2.5O type seal ring (split O type seal ring 6a ~ 9a+ and split O type seal ring 6b ~ 9b)
O type seal ring 6 is the sealing rings be configured between the internal surface of sleeve 2 and running shaft B.O type seal ring 7 is the sealing rings between the internal surface of the outside wall portions being configured in the outer surface of rotating ring 3 and the rotating ring 3 of cover sleeve 2, and the length direction along rotating ring 3 configures two.O type seal ring 7 plays a role as the spline part preventing rotating ring 3 from rotating in sleeve 2.By using two O type seal rings 7, compared with the situation of carrying out spline with the metal pin of use etc., the effect reducing machining period can be obtained.It should be noted that, also O type seal ring 7 can be set to 1, and utilize pin to carry out the spline of rotating ring 3 and sleeve 2.O type seal ring 8 is the sealing rings be configured between the outer surface of seal ring 4 and sealing cover 5.O type seal ring 9 is the sealing rings be configured between sealing cover 5 and equipment.O type seal ring 6 ~ 9 is such as made up of Fuoroelastomer in this embodiment.
When being installed to the running shaft B of equipment by above construction element assembly mechanical Sealing 1, sleeve 2 rotates together with running shaft B with rotating ring 3.Sealing cover 5 is owing to being fixed on equipment, therefore motionless.Seal ring 4 is in the state be clamped between sealing cover 5 and rotating ring 3, owing to not being fixed on rotating ring 3 or sleeve 2, therefore axially moves about with sliding mode relative to rotating ring 3.
3. the detailed construction of mechanical sealing element
The structure of 3.1 sleeves
As shown in Figure 1, clamp coupling 2a, at atmospheric side, the position close to parting plane 18 is provided with by the notch 11 of a part of otch squarely circumferentially.Clamp coupling 2b is also possessing same notch 11 with above-mentioned notch 11 relative to position symmetrical in the one-tenth face, center of sleeve 2.Notch 11 possesses towards the through through hole 12 of the parting plane 18 of sleeve 2.And clamp coupling 2a, 2b, on the parting plane 18 of a side, the through hole 12 in parting plane 18 side with the opposing party, 12 consistent positions possess tapped hole 13,13, the internal surface of this tapped hole 13,13 have thread groove.And clamp coupling 2a, at equipment side, possesses the notch 15 of a part of otch squarely circumferentially in the position close to parting plane 18.Clamp coupling 2b is also possessing same notch 15 with above-mentioned notch 15 relative to position symmetrical in the one-tenth face, center of sleeve 2.Notch 15 possesses towards the through through hole 16 of the parting plane 18 of sleeve 2.And clamp coupling 2a, 2b are on the parting plane 18 of a side, and the through hole 16 in parting plane 18 side with the opposing party, 16 consistent positions possess tapped hole 17,17, and the internal surface of this tapped hole 17,17 has thread groove.By bolt 20 is screwed into tapped hole 13,13 from through hole 12,12, and be screwed into tapped hole 17,17 from through hole 16,16, thus assembling clamp coupling 2a and clamp coupling 2b.
Clamp coupling 2a, 2b possess two tapped holes 21,21 respectively from notch 11,11 along periphery.Each tapped hole 21 is formed through each inner surface side to clamp coupling 2a, 2b, screw 25 can be threaded into the position that can abut with running shaft B.Abut with running shaft B by screw 25 is threaded into tapped hole 21, thus sleeve 2 can be fixed on running shaft B.Also another tapped hole 28 is formed near the circumferencial direction of tapped hole 21.Tapped hole 28 is the holes of each internal surface not arriving clamp coupling 2a, 2b, when assembling prepackage part 1a, 1b, in order to temporary fixed preset 120 and use.Preset 120 is for making sleeve 2 and the adjustment component of the central involution of sealing cover 5, in this embodiment, arranging four.Preset 120 there is through hole 121, bolt 130 is put into this through hole 121, and bolt 130 is screwed into tapped hole 28, there is the function of central involution thus.
Clamp coupling 2a, 2b have three respectively along the through through hole 32 of its thickness direction on the lip part in large footpath being formed at atmospheric side.And clamp coupling 2a, 2b possess the groove 26,26 that ring-type is formed within it on the surface.Groove 26,26 for fixedly splitting O type seal ring 6a, 6b, and to running shaft B side opening.
As shown in Figures 2 and 3, clamp coupling 2a possesses recess 42,43 on the face of a side of the equipment side across running shaft B.Recess 43 extends along the axially longer of running shaft B, from the equipment side end face of clamp coupling 2a towards splitting rotating ring 3a side, the direction orthogonal with recess 42 is formed with elongated semi-cylindrical shape (respectively to an example of different form).After, when individually representing recess 43, be called especially " the first recess 43 ".Recess 42 along the radial direction of running shaft B longer extend, be formed with elongated semi-cylindrical shape (respectively to an example of different form) from the outer surface of clamp coupling 2a towards the radially inner side of running shaft B.After, when individually representing recess 42, be called especially " the second recess 42 ".First recess 43 is formed in mutually non-touching mode with the second recess 42.
On the other hand, clamp coupling 2a possesses protuberance 50,51 on the face of the opposing party of the equipment side across running shaft B.Protuberance 51 extends along the axially longer of running shaft B, from the equipment side end face of clamp coupling 2a towards splitting rotating ring 3a side, is formed with elongated semi-cylindrical form (respectively to an example of different form) along the direction orthogonal with protuberance 50.After, when indivedual expression protuberance 51, be called especially " the first protuberance 51 ".Protuberance 50 along the radial direction of running shaft B longer extend, be formed with elongated semi-cylindrical form (respectively to an example of different form) from the outer surface of clamp coupling 2a towards the radially inner side of running shaft B.After, when individually representing protuberance 50, be called especially " the second protuberance 50 ".First protuberance 51 is formed in mutually non-touching mode with the second protuberance 50.
As shown in Figure 1, clamp coupling 2b with the first protuberance 51 and second protuberance 50 of clamp coupling 2a can be chimeric mode and position on, possess recess 41 and recess 40 respectively.Recess 41 extends along the axially longer of running shaft B, from the equipment side end face of clamp coupling 2b towards splitting rotating ring 3b side, is formed with elongated semi-cylindrical shape (respectively to an example of different form) along the direction orthogonal with recess 40.After, when individually representing recess 41, be called especially " the first recess 41 ".Recess 40 along the radial direction of running shaft B longer extend, be formed with elongated semi-cylindrical shape (respectively to an example of different form) from the outer surface of clamp coupling 2b towards the radially inner side of running shaft B.After, when individually representing recess 40, be called especially " the second recess 40 ".First recess 41 is formed in mutually non-touching mode with the second recess 40.
In addition, clamp coupling 2b with the first recess 43 and second recess 42 of clamp coupling 2a can be chimeric mode and position on possess protuberance 53 and protuberance 52 respectively.Protuberance 53 extends along the axially longer of running shaft B, from the equipment side end face of clamp coupling 2b towards splitting rotating ring 3b side, is formed with elongated semi-cylindrical form (respectively to an example of different form) along the direction orthogonal with protuberance 52.After, when individually representing protuberance 53, be called especially " the first protuberance 53 ".Protuberance 52 along the radial direction of running shaft B longer extend, be formed with elongated semi-cylindrical form (respectively to an example of different form) from the outer surface of clamp coupling 2b towards the radially inner side of running shaft B.After, when individually representing protuberance 52, be called especially " the second protuberance 52 ".First protuberance 53 is formed in mutually non-touching mode with the second protuberance 52.
In this embodiment, protuberance 50 ~ 53 is all identical mode, and recess 40 ~ 43 is all identical mode, but also can be identical mode.As long as protuberance 50 ~ 53 can be entrenched in the recess 40 ~ 43 be in opposed locations with it, protuberance 50 ~ 53 each other or recess 40 ~ 43 each other without the need to being formed as identical mode.
Preferably possesses the combination of protuberance 50 ~ 53 and recess 40 ~ 43 in the both sides of sleeve 2 across running shaft B, but also only the group of protuberance 50,51 and recess 40,41 can be formed on two parting planes 18,18 of sleeve 2, and not form the group of protuberance 52,53 and recess 42,43.And, also can only protuberance 50 and the group of recess 40 and the group of protuberance 53 and recess 43 be formed on two parting planes 18,18 of sleeve 2.And, also can only protuberance 51 and the group of recess 41 and the group of protuberance 52 and recess 42 be formed on two parting planes 18,18 of sleeve 2.That is, in order to clamp coupling 2a, 2b can be prevented along the axis of running shaft B and this two sides changing of the relative positions radial, if relative to axially and radial direction this two square become stopper, the combination free of protuberance and recess.So, with can plug off the structure of pin etc. between two parting planes 18,18 of clamp coupling 2a, 2b compared with, the gap between protuberance 50 ~ 53 and recess 40 ~ 43 can be made to be roughly zero, therefore, it is possible to reduce the changing of the relative positions between this parting plane 18,18 more reliably.
The structure of 3.2 sealing covers
As shown in Figure 1, split sealing cover 5a on its circumference side and on the position close to parting plane 58, possess and a part is circumferentially cut into square notch 60.Split sealing cover 5b and also possess same notch 60 with above-mentioned notch 60 relative to the position symmetrically, center of sealing cover 5.Notch 60 possesses towards the through through hole 61 of the parting plane 58 of sealing cover 5.And, split on the parting plane 58 of a side of sealing cover 5a, 5b, the through hole 61 in parting plane 58 side with the opposing party, 61 consistent positions possess tapped hole 62,62, the internal surface of this tapped hole 62,62 has thread groove.By being screwed into from through hole 61,61 to tapped hole 62,62 respectively by bolt 65,65, and assembling is split sealing cover 5a and is split sealing cover 5b.
As shown in Figures 2 and 3, splitting sealing cover 5a a side of the parting plane 58 across running shaft B, than the position of through hole 61 close to atmospheric side, possesses recess 70,71.Recess 71 extends along the axially longer of running shaft B, from splitting the end face of atmospheric side of sealing cover 5a towards equipment side, is formed with elongated semi-cylindrical shape (respectively to an example of different form) along the direction orthogonal with recess 70.After, when individually representing recess 71, be called especially " the first recess 71 ".Recess 70 along the radial direction of running shaft B longer extend, be formed with elongated semi-cylindrical shape (respectively to an example of different form) from the outer surface splitting sealing cover 5a towards the radially inner side of running shaft B.After, when individually representing recess 70, be called especially " the second recess 70 ".First recess 71 is formed in mutually non-touching mode with the second recess 70.
On the other hand, split sealing cover 5a the opposing party of the parting plane 58 across running shaft B and than tapped hole 62 close on the position of atmospheric side, possess protuberance 83,82.Protuberance 83 extends along the axially longer of running shaft B, from splitting the end face of atmospheric side of sealing cover 5a towards equipment side, is formed with elongated semi-cylindrical form (respectively to an example of different form) along the direction orthogonal with protuberance 82.After, when individually representing protuberance 83, be called especially " the first protuberance 83 ".Protuberance 82 along the radial direction of running shaft B longer extend, be formed with elongated semi-cylindrical form (respectively to an example of different form) from the outer surface splitting sealing cover 5a towards the radially inner side of running shaft B.After, when individually representing protuberance 82, be called especially " the second protuberance 82 ".First protuberance 83 is formed in mutually non-touching mode with the second protuberance 82.
As shown in Figure 1, splitting sealing cover 5b a side of the parting plane 58 across running shaft B, than the position of through hole 61 close to atmospheric side, possesses recess 72,73.Recess 73 extends along the axially longer of running shaft B, from splitting the end face of atmospheric side of sealing cover 5b towards equipment side, is formed with elongated semi-cylindrical shape (respectively to an example of different form) along the direction orthogonal with recess 72.After, when individually representing recess 73, be called especially " the first recess 73 ".Recess 72 along the radial direction of running shaft B longer extend, be formed with elongated semi-cylindrical shape (respectively to an example of different form) from the outer surface splitting sealing cover 5b towards the radially inner side of running shaft B.After, when individually representing recess 72, be called especially " the second recess 72 ".First recess 73 is formed in mutually non-touching mode with the second recess 72.
On the other hand, splitting sealing cover 5b the opposing party of the parting plane 58 across running shaft B, than the position of tapped hole 62 close to atmospheric side, possesses protuberance 80,81.Protuberance 81 extends along the axially longer of running shaft B, from splitting the end face of atmospheric side of sealing cover 5b towards equipment side, is formed with elongated semi-cylindrical form (respectively to an example of different form) along the direction orthogonal with protuberance 80.After, when individually representing protuberance 81, be called especially " the first protuberance 81 ".Protuberance 80 along the radial direction of running shaft B longer extend, be formed with elongated semi-cylindrical form (respectively to an example of different form) from the outer surface splitting sealing cover 5b towards the radially inner side of running shaft B.After, when individually representing protuberance 80, be called especially " the second protuberance 80 ".First protuberance 81 is formed in mutually non-touching mode with the second protuberance 80.
In this embodiment, protuberance 80 ~ 83, recess 70 ~ 73 are respectively identical mode, also can be identical mode.As long as protuberance 80 ~ 83 can be entrenched in the recess 70 ~ 73 being in opposed locations with it, without the need to by protuberance 80 ~ 83 each other or recess 70 ~ 73 be formed as identical mode each other.
Preferably possesses the combination of protuberance 80 ~ 83 and recess 70 ~ 73 in the both sides of sealing cover 5 across running shaft B, but also only the group of protuberance 82,83 and recess 72,73 can be formed on two parting planes 58,58 of sealing cover 5, and not form the group of protuberance 80,81 and recess 70,71.And then, also can only the group of protuberance 82 and recess 72, protuberance 81 be formed on two parting planes 58,58 of sealing cover 5 with the group of recess 71.And, also can only the group of protuberance 83 and recess 73, protuberance 80 be formed on two parting planes 58,58 of sealing cover 5 with the group of recess 70.That is, produce the changing of the relative positions to prevent from splitting sealing cover 5a, 5b this two side in the axis and radial direction of running shaft B, if relative to axially and radial direction this two square become stopper, the combination free of protuberance and recess.So, with can plug off the structure of pin etc. between two parting planes 58,58 splitting sealing cover 5a, 5b compared with, the gap between protuberance 80 ~ 83 and recess 70 ~ 73 can be made to be roughly zero, therefore, it is possible to reduce the changing of the relative positions between this parting plane 58,58 more reliably.
Split sealing cover 5a, 5b and possess two respectively along the through through hole 90 of its thickness direction.Through hole 90 inserts, for the hole needed for the Stuffing box T fixing seal lid 5 to equipment for the bolt 96 shown in Fig. 4.Split sealing cover 5b (also can be 5a) and there is the drain boles (about 4mm diameter) 95 tilting through from the direction facing to seal ring 4b of the opposition side of equipment.Drain boles 95 is the through holes for the water of leakage or wet goods externally being discharged.
As shown in Figure 2, split sealing cover 5a, 5b on the face of its equipment side, possess the groove 66,66 that the circumference along running shaft B formed.Groove 66,66 for fixedly splitting O type seal ring 9a, 9b, and to equipment side opening.And, split sealing cover 5a, 5b on the face of its running shaft B side, possess the groove 68,68 that the circumference along running shaft B formed.Groove 68,68 for fixedly splitting O type seal ring 8a, 8b, and to running shaft B side opening.
Split sealing cover 5a, 5b leaning on radially inner side than through hole 90, circumferentially possessing three tapped holes 132.Tapped hole 132 is through along the thickness direction splitting sealing cover 5a, 5b.Tapped hole 132 is that within it surface forms thread groove and positioning screwn 140 can be made along the hole plugging off two direction movements.In order to make rotating ring 3 and sleeve 2 touch, positioning screwn 140 is for pressing rotating ring 3 from seal ring 4 side.Positioning screwn 140 has and prevents the planeness of rotating ring 3 and seal ring 4 bad and prevent the function come off of each construction element when splitting prepackage part 1a, 1b.Positioning screwn 140 by mechanical sealing element 1 to equipment load after, extract or move to drawing direction in order to the pressing removed to seal ring 4.Positioning screwn 140 is formed primarily of SUS, and the front end of the side that only connects with seal ring 4 is made up of the metal (such as, copper) more soft than SUS.Therefore, even if positioning screwn 140 connects with seal ring 4, seal ring 4 also not cracky.
Sealing cover 5 with the gap of seal ring 4 in possess two pins 145 for exerting a force to rotating ring 3 side to seal ring 4 and 12 springs 146.
The structure of 3.3 rotating rings
As shown in Figure 2, split rotating ring 3a and be formed with two grooves 101,101 along its periphery, these two grooves 101,101 are arranged side by side along thickness direction.Each groove 101 respectively splits O type seal ring 7a, 7b for fixing, and to clamp coupling 2a, 2b side opening.And, split rotating ring 3a, 3b and possess to splitting the outstanding protrusion surface 102 in seal ring 4a, 4b side at the end face splitting seal ring 4a, 4b side.Protrusion surface 102 and splitting between seal ring 4a, 4b adjoins one another, and becomes slide part S (with reference to Fig. 3).
The structure of 3.4 seal rings
As shown in Figure 2, splitting seal ring 4a, 4b is the construction element with roughly L-shaped cross section, splitting rotating ring 3a, 3b side and possessing the lip part 111 in larger footpath, and possessing and to be connected with this lip part 111 and to the sleeve part 112 split sealing cover 5a, 5b side and extend.The end face splitting sealing cover 5a, 5b side of sleeve part 112 is parts that the front end of the pin 145 and positioning screwn 140 illustrated above contacts.And sleeve part 112 within it surface has the groove 115 of the semi-cylindrical shape making the end face opening splitting sealing cover 5a, 5b side.The pin 145 illustrated above connects with this groove 115, has the function to seal ring 4 spline.
3.5 structures being formed in protuberance on each parting plane of sleeve and sealing cover and recess
The protuberance be formed on the clamp coupling shown in Fig. 2 is amplified the stereogram represented by Fig. 5.Fig. 6 is the figure observed from equipment side near the protuberance shown in Fig. 5.
The clamp coupling 2a forming sleeve 2 possesses second recess 40 and first recess 41 same with clamp coupling 2b on its parting plane 18.Second recess 40 of clamp coupling 2a side to the pin of the substantial cylindrical shape of formation second protuberance 50 (such as, the pin of SUS, be referred to as " hang pin (drape pin) ") 150 to bury underground, when being combined by clamp coupling 2a and clamp coupling 2b, the exposed surface hanging pin 150 is chimeric with the second recess 40 of clamp coupling 2b side.Similarly, the suspension pin 151 of the first recess 41 to formation first protuberance 51 of clamp coupling 2a side is buried underground, and when being combined by clamp coupling 2a and clamp coupling 2b, the exposed surface hanging pin 151 is chimeric with the first recess 41 of clamp coupling 2b side.
Hang pin 150,151 to be driven into respectively when clamp coupling 2a and clamp coupling 2b is combined in the hole (hole than the external diameter hanging pin 150 slightly path) formed by two the second recesses 40 and the hole formed by two the first recesses 41 (hole than the external diameter hanging pin 151 slightly path).Then, when making clamp coupling 2a be separated with clamp coupling 2b, remaining with at the clamp coupling 2a of a side and hanging pin 150,151.Consequently, the suspension pin 150,151 remaining in clamp coupling 2a forms the second protuberance 50 and the first protuberance 51 respectively.At this, the first recess 41 of clamp coupling 2a side and the second recess 40 are respectively to be formed than the first recess 41 of clamp coupling 2b side and the large volume of the second recess 40.Therefore, as shown in Figure 6, when squeezing into suspension pin 151 in the hole formed by two the first recesses 41, the region 151a with the volume exceeding half is embedded in the first recess 41 of clamp coupling 2a side.On the other hand, the region 151b having the volume being less than the half hanging pin 151 is embedded in clamp coupling 2b side.Consequently, when making clamp coupling 2a be separated with clamp coupling 2b, hanging pin 151 can not come off, and can reliably fix under being embedded with the state hanging pin 151 in clamp coupling 2a side.This is with to squeeze into the second recess 40 situation hanging pin 150 same.In addition, also can form the first darker recess 41 or the second recess 40 in clamp coupling 2b side, form the first more shallow recess 41 or the second recess 40 in clamp coupling 2a side, and suspension pin 150,151 is retained in clamp coupling 2b side.By hang the second protuberance 50 of being formed of pin 150,151 and the first protuberance 51 and and gap between their second involutory respectively recesses 40 and the first recess 41 be less than 10 μm, preferably less than 3 μm, be more preferably 0 μm.
Same as described above about the second recess 42, first recess 43.And, also formed about the second protuberance 52 and the first protuberance 53 as described above.And then, also same as described above about the first recess 71,73, second recess 70,72, first protuberance 81,83 and second protuberance 80,82 being formed at sealing cover 5.In addition, after, about the suspension pin hung beyond pin 150,151, not label symbol seriatim, and be called " hanging pin 150 etc. ".
The coating process of 3.6 parting planes
In order to improve the sealing characteristics of the parting plane of mechanical sealing element 1, sleeve 2 and sealing cover 5 preferably have the overlay be made up of fluorine resin on the face of a side of its each parting plane 18,58.Stacked above-mentioned overlay on the face of the opposing party of each parting plane 18,58, so on above-mentioned overlay stacked elastic bonding layer, thus when by two prepackage part 1a, 1b combinations, elastic bonding layer can be formed as the state clamped by two overlays.Even if elastic bonding layer preferably carries out separation and the combination of pre-installing part 1a, 1b repeatedly, the layer of attachment function also can be kept for a long time.The thickness of overlay is preferably 0.1 ~ 40 μm, is more preferably 0.1 ~ 30 μm, most preferably is 0.1 ~ 10 μm.The adhesive layer that elastic bonding layer is preferably made up of polyurethane resin.By using overlay and elastic bonding layer, the contacting part of gum filler and the O type seal ring all the time used can be removed.Consequently, the leakage of water etc. is not easily produced.It should be noted that, on each parting plane 18 that overlay also only can be formed in clamp coupling 2a, 2b or split on each parting plane 58 of sealing cover 5a, 5b.So, by forming the overlay that is made up of fluorine resin, there is elastic bonding layer incrust and can nonexpondable advantage.
4. the assembling method of mechanical sealing element
Then, about the assembling method of the mechanical sealing element 1 of the first mode of execution, the assembling of prepackage part 1a, 1b and loading to equipment is afterwards divided into be described.
The assembling of 4.1 prepackage parts
Sequence is as described below.
1) on each parting plane 18 of clamp coupling 2a, 2b, apply fluorine resin and form overlay, and on the overlay of clamp coupling 2a side polyurethane coating system Bond, formed elastic bonding layer.
2) use bolt 20, realize the integration of clamp coupling 2a, 2b.
3) hanging pin 150 etc. by squeezing in each group of hole formed of recess 40 ~ 43.
4) be arranged on splitting O type seal ring 6a, 6b in the groove 26 of sleeve 2.
5) two groups are split O type seal ring 7a, 7b to be arranged on and to split in two grooves 101,101 of rotating ring 3a, 3b.
6) rotating ring 3a, 3b will be split insert and be installed in sleeve 2.
By order so far, complete the assembling of rotating ring.
7) on each parting plane 58 splitting sealing cover 5a, 5b, apply fluorine resin and form overlay, and on the overlay splitting sealing cover 5a side polyurethane coating system Bond, formed elastic bonding layer.
8) use bolt 65, realize the integration of splitting sealing cover 5a, 5b.
9) hanging pin 150 etc. by squeezing in each group of hole formed of recess 70 ~ 73.
10) be arranged on splitting O type seal ring 8a, 8b in the groove 68 of sealing cover 5.
11) be arranged on splitting O type seal ring 9a, 9b in the groove 66 of sealing cover 5.
12) to sealing cover 5 mounting spring 146 and pin 145.
13) seal ring 4a, 4b is split to sealing cover 5 insertion.
By order so far, complete the assembling of seal ring 4 and sealing cover 5.
14) demounting bolt 65, splits sealing cover 5.
15) split seal ring 4a, 4b from the periphery insertion of the assembling part of rotating ring and split sealing cover 5a, 5b.
16) again, bolt 65 is used to realize the integration of sealing cover 5.
17) use bolt 130, be fixed on sleeve 2 by preset 120.
18) by being screwed into positioning screwn 140, and seal ring 4, rotating ring 3 are pressed against sleeve 2.
By order so far, complete the boxlike of prepackage part 1a, 1b.
4.2 load mechanical sealing element to equipment
1) from mechanical sealing element 1, bolt 20,65 is dismantled, be divided into prepackage part 1a, 1b.
2) prepackage part 1a, 1b are distributed to the running shaft B of equipment, use bolt 20 to realize the integration of sleeve 2.
3) use bolt 65, realize the integration of sealing cover 5.Now, in the past be divided in two-part sealing completely, multiple parts must be loaded one by one at the scene, therefore need the very large activity duration, and be difficult to two slide members to be assembled accurately, consequently, leak sometimes, but this mechanical sealing element 1 is owing to axially carrying out integration by prepackage part, therefore can realize whole split parts while integration and high-precision integration, consequently, the risk of leaking is reduced.
4) bolt 96 is used to be fixed on by mechanical sealing element 1 on equipment (specifically the Stuffing box T of equipment).Now, sealing cover 5 and sleeve 2 have been formed with one heart by preset 120, respectively therefore without the need to again forming concentric operation.
5) utilize screw 25 that sleeve 2 is fixed on running shaft B.Now, sealing cover 5 and sleeve 2 position relationship in the axial direction have been held in correct setting position by preset 120, become regular spring-compressed long, therefore do not need measurement or the adjustment of the setting position undertaken by mechanical sealing element in the past.
6) make positioning screwn 140 move to atmospheric side, remove the pressing to seal ring 4.
7) bolt 130 is dismantled, from sleeve 2, preset 120 is dismantled.
Fig. 7 is in the loading operation of mechanical sealing element, represents the figure making positioning screwn to the state before and after the dismounting of the front and back of atmospheric side movement and preset.
Hatched parts is positioning screwn 140, bolt 130 and preset 120.As shown in Figure 7, insert fixture (L-type hexagon wrench etc.) from through hole 32, make positioning screwn 140 mobile to the direction of arrow (atmospheric side direction), remove the pressing to seal ring 4 thus.And in the stage of the boxlike of prepackage part 1a, 1b, preset 120 is in its part and enters into sealing cover 5 and the state in the gap W of sleeve 2.Preset 120 there is clamping bolt 130, form sleeve 2 with the concentric of sealing cover 5 and guarantee the function of gap W.When mechanical sealing element 1 is installed on equipment, the task of preset 120 terminates, and therefore before equipment operation, is dismantled.By order so far, complete the loading of mechanical sealing element 1.
< second mode of execution >
Then, the mechanical sealing element of the second mode of execution of the present invention is described.Second mode of execution except by the protuberance be arranged on each parting plane 18 of clamp coupling 2a, 2b 50 ~ 53 and recess 40 ~ 43, be arranged on and split except protuberance and recess that protuberance 80 ~ 83 on each parting plane 58 of sealing cover 5a, 5b and recess 70 ~ 73 change into different modes, there is the structure identical with the first mode of execution.Therefore, about the structure that this is identical, mark prosign, and the repetitive description thereof will be omitted.
Fig. 8 be mechanical sealing element by being formed in the second mode of execution clamp coupling on protuberance amplify the stereogram represented.
Protuberance 171 shown in Fig. 8, identical with the first mode of execution by forming this point to hanging pin 150 etc. by squeezing in involutory the formed hole of two recesses 170,170, but it squeezes into direction difference.In this second embodiment, suspension pin 150 grade is not squeezed into along the axis of running shaft B and the either direction of radial direction, and the direction (true dip direction) axially and between radial direction is squeezed into.Therefore, under hanging the effect of pin 150 grade at one, clamp coupling 2a, 2b all not easily produce the changing of the relative positions on axial and radial any direction.Now, relative to running shaft B side symmetrically, also preferred squeezing into along true dip direction hangs pin 150 etc., and then this suspension pin 150 grade is preferably squeezed into along the direction different from the suspension pin 150 illustrated above etc.This is because, hanging pin 150 etc. by squeezing into along mutually different direction, effectively can prevent clamp coupling 2a, 2b changing of the relative positions in parting plane 18,18.Gap between the protuberance 171 formed by suspension pin 150 etc. and recess 170 involutory is with it less than 10 μm, is preferably less than 3 μm, is more preferably 0 μm.It should be noted that, the each parting plane 58 splitting sealing cover 5a, 5b also possesses the protuberance 171 shown in Fig. 8, but also can possess the elongated protrusion on the direction identical with the protuberance 80 ~ 83 illustrated in the first mode of execution on each parting plane 58 splitting sealing cover 5a, 5b.
< the 3rd mode of execution >
Then, the mechanical sealing element of the 3rd mode of execution of the present invention is described.3rd mode of execution, in the same manner as the second mode of execution, except the protuberance that uses the mode different from the first mode of execution and recess, has the structure identical with the first mode of execution.Therefore, for the structure that this is identical, mark prosign, and the repetitive description thereof will be omitted.
Fig. 9 be mechanical sealing element by being formed in the 3rd mode of execution clamp coupling on protuberance amplify the stereogram represented.
The parting plane 18 of clamp coupling 2a possesses a columned protuberance 180, possess on the parting plane 18 of clamp coupling 2b and on the position opposed with protuberance 180 can by chimeric for protuberance become the recess (not shown) of tightlock status.Described columned protuberance 180 is not anisotropic shape, but has the function preventing clamp coupling 2a, 2b changing of the relative positions on each parting plane 18.Gap between protuberance 180 and recess involutory is with it less than 10 μm, is preferably less than 3 μm, is more preferably 0 μm.It should be noted that, the each parting plane 58 splitting sealing cover 5a, 5b also possesses the protuberance 180 shown in Fig. 9, but also can possess the elongated protrusion on the direction identical respectively with the protuberance 171 illustrated in the protuberance 80 ~ 83 illustrated in the first mode of execution or the second mode of execution on each parting plane 58 splitting sealing cover 5a, 5b.
< the 4th mode of execution >
Then, the mechanical sealing element of the 4th mode of execution of the present invention is described.In the 4th mode of execution, for the structure identical with the first mode of execution, mark same-sign is described.The mechanical sealing element 1 of the 4th mode of execution at least possesses the running shaft B being driven in rotating equipment and the rotating ring 3 rotated, at the seal ring 4 axially abutted with rotating ring 3 of running shaft B, the sealing cover 5 in the outside of seal ring 4 is covered in the mode becoming sealing state between sealing ring 4, to major general's rotating ring 3, seal ring 4 and sealing cover 5 are radially split, on the face of a side of the parting plane of sealing cover 5, at least possess the protuberance 80 ~ 83 outstanding towards the face of the opposing party of parting plane, and on the face of the opposing party, possess the recess 70 ~ 73 chimeric with protuberance 80 ~ 83.That is, the mechanical sealing element 1 of the 4th mode of execution is different with the mechanical sealing element 1 of the first mode of execution, is the what is called that do not possess sleeve 2 mechanical sealing element without sleeve type.In this case, preferably by the mode except leaning on than the space 10 of aforesaid sleeve 2 except the sleeve part of running shaft B side and the flange portion leaning on atmospheric side of ratio, that is, only the flange portion of the equipment side possessing O type seal ring 6 is added in the structure of mechanical sealing element 1.The flange portion of equipment side is to opening structure, but can not possess protuberance 50 ~ 53 and recess 40 ~ 43 on its parting plane 18, at least on sealing cover 5, possesses protuberance 80 ~ 83 and recess 70 ~ 73.
(industrial utilizability)
The present invention can utilize in the shaft sealing of rotating equipment etc.
Claims (8)
1. a mechanical sealing element, it at least possesses:
Be driven in the running shaft of rotating equipment and the rotating ring rotated;
At the seal ring axially abutted with described rotating ring of described running shaft;
The sealing cover in the outside of sealing ring is covered in the mode becoming sealing state between sealing ring,
The feature of described mechanical sealing element is,
To rotating ring, described seal ring and described sealing cover described in major general along its radial segmentation,
On the face of a side of the parting plane of described sealing cover, at least possess the protuberance outstanding towards the face of the opposing party of described parting plane, and possess the recess chimeric with described protuberance on the face of described the opposing party,
Described mechanical sealing element also possesses and is driven in described running shaft and rotates and cover the sleeve in the outside of described rotating ring in the mode becoming sealing state between described rotating ring,
The face of a side of the parting plane of described sleeve possesses the protuberance outstanding towards the face of the opposing party of described parting plane, and possess the recess chimeric with described protuberance on the face of described the opposing party,
Mutually opposing described parting plane possesses two the described recesses extended along same direction respectively longlyer,
The pin forming described protuberance is embedded with in the recess of the side in these two described recesses,
The recess of the opposing party in these two described recesses, chimeric with the exposed surface of described pin when involutory described parting plane,
The diameter in the hole formed by these two described recesses is being buried underground in less than the external diameter of described pin under the state before described pin, and described protuberance is described pin is embedded in the mode in the recess of one by squeezing into described pin in described hole and is formed.
2. mechanical sealing element according to claim 1, is characterized in that,
By to the splitting rotating ring, split seal ring, split sealing cover and clamp coupling and form two prepackage parts respectively along described radial direction segmentation of rotating ring, described seal ring, described sealing cover and described sleeve described in major general,
The described recess of described sealing cover is that end face extends towards described rotating equipment side and formed from being the atmospheric side of opposition side with described rotating equipment,
The described recess of described sleeve extends towards described atmospheric side from the end face of described rotating equipment side and formed.
3. mechanical sealing element according to claim 1 and 2, is characterized in that,
Described pin is fixed to the volume exceeding this pin half and is embedded in state in the recess of one,
On side's parting plane of two parting planes across described running shaft of described sleeve, the clamp coupling of one side is provided with described protuberance, the clamp coupling of the opposing party is provided with described recess, and, on the opposing party's parting plane of described two parting planes, the clamp coupling of one is provided with described recess, and the clamp coupling of described the opposing party is provided with described protuberance.
4. mechanical sealing element according to claim 1 and 2, is characterized in that,
Described protuberance be along the either direction in the face of described parting plane longer extend each to different form,
Described recess in each to chimeric each to different form of the described protuberance of different form,
Described mechanical sealing element possesses multiple described respectively to the described protuberance of different form,
Multiple described protuberance comprises:
The first protuberance that axis along described running shaft extends longlyer;
The second protuberance that radial direction along described running shaft extends longlyer,
Described each described recess to different form comprises:
Chimeric with described first protuberance, and along axially longer first recess extended of described running shaft;
Chimeric with described second protuberance, and along the second recess of extending of the longer ground of the radial direction of described running shaft,
Described first protuberance is configured on the elongation line of the bearing of trend of described second protuberance.
5. mechanical sealing element according to claim 3, is characterized in that,
Described protuberance be along the either direction in the face of described parting plane longer extend each to different form,
Described recess in each to chimeric each to different form of the described protuberance of different form,
Described mechanical sealing element possesses multiple described respectively to the described protuberance of different form,
Multiple described protuberance comprises:
The first protuberance that axis along described running shaft extends longlyer;
The second protuberance that radial direction along described running shaft extends longlyer,
Described each described recess to different form comprises:
Chimeric with described first protuberance, and along axially longer first recess extended of described running shaft;
Chimeric with described second protuberance, and along the second recess of extending of the longer ground of the radial direction of described running shaft,
Described first protuberance is configured on the elongation line of the bearing of trend of described second protuberance.
6. mechanical sealing element according to claim 1 and 2, is characterized in that,
Possess multiple respectively to the described protuberance of different form,
Multiple described protuberance comprises:
The first protuberance that axis along described running shaft extends longlyer;
The second protuberance that radial direction along described running shaft extends longlyer,
Described recess respectively to different form comprises:
Chimeric with described first protuberance, and along axially longer first recess extended of described running shaft;
Chimeric with described second protuberance, and along the second recess of extending of the longer ground of the radial direction of described running shaft.
7. mechanical sealing element according to claim 1 and 2, is characterized in that,
Described pin is fixed to the volume exceeding this pin half and is embedded in state in the recess of one.
8. mechanical sealing element according to claim 1 and 2, is characterized in that,
The face of a side of described parting plane has the overlay be made up of fluorine resin, stacked described overlay on the face of the opposing party of described parting plane, and then on described overlay stacked elastic bonding layer, when involutory described parting plane, be configured to described elastic bonding layer and be clipped in state between described overlay.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010244100 | 2010-10-29 | ||
| JP2010-244100 | 2010-10-29 | ||
| PCT/JP2011/005840 WO2012056650A1 (en) | 2010-10-29 | 2011-10-19 | Mechanical seal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103201544A CN103201544A (en) | 2013-07-10 |
| CN103201544B true CN103201544B (en) | 2015-04-22 |
Family
ID=45993398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180048140.0A Expired - Fee Related CN103201544B (en) | 2010-10-29 | 2011-10-19 | Mechanical seal |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP5552540B2 (en) |
| KR (1) | KR20130139885A (en) |
| CN (1) | CN103201544B (en) |
| SG (1) | SG189925A1 (en) |
| WO (1) | WO2012056650A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PT3514415T (en) * | 2012-12-07 | 2021-08-09 | Chesterton A W Co | Self aligning split mechanical seal employing a selectively engageable axial biasing assembly |
| CN103498909A (en) * | 2013-10-21 | 2014-01-08 | 南车株洲电力机车有限公司 | Gear case for rail transit vehicle |
| US9291066B2 (en) * | 2013-11-11 | 2016-03-22 | General Electric Company | Methods and systems for sealing a rotary machine using a segmented seal ring |
| JP6353778B2 (en) * | 2014-12-11 | 2018-07-04 | 株式会社酉島製作所 | Mechanical seal support device |
| CN105736214B (en) * | 2016-04-13 | 2018-07-20 | 国网新疆电力公司阿克苏供电公司 | A kind of macromolecule nylon wearing ring |
| EP3521606A4 (en) * | 2016-09-30 | 2019-11-06 | Honda Motor Co., Ltd. | Intake component attachment structure for vehicular internal combustion engine |
| CN107289134B (en) * | 2017-07-18 | 2018-08-31 | 北京航空航天大学 | A kind of mechanical seal preload force adjusting device |
| EP3441619B1 (en) * | 2017-08-08 | 2023-11-01 | Grundfos Holding A/S | Centrifugal pump |
| KR102224735B1 (en) | 2019-09-26 | 2021-03-05 | 주식회사 에프원텍 | Pump apparatus equipped with cooling unit for mechanical seal |
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| US2486928A (en) * | 1946-09-09 | 1949-11-01 | Prentiss I Cole | Fluid seal |
| GB1142328A (en) * | 1966-05-12 | 1969-02-05 | Us Metallic Packing Company Lt | Improvements in means for relatively locating two members |
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| EP1526311A1 (en) * | 2003-10-24 | 2005-04-27 | Tanken Seal Seiko Co., Ltd. | Mechanical seal |
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| JPS56134029A (en) * | 1980-03-21 | 1981-10-20 | Nissan Motor Co Ltd | Holder of press |
| JPS617572A (en) * | 1984-06-20 | 1986-01-14 | Fuji Electric Corp Res & Dev Ltd | Manifold sealing material of fuel cell |
| JPH0524868Y2 (en) * | 1988-07-20 | 1993-06-23 | ||
| JPH083771Y2 (en) * | 1990-05-23 | 1996-01-31 | 株式会社タンケンシールセーコウ | Spring for mechanical seal |
| JPH0842707A (en) * | 1994-08-03 | 1996-02-16 | Tanken Seal C-Kou:Kk | Cartridge type mechanical seal |
| JP3435856B2 (en) * | 1994-11-15 | 2003-08-11 | 日本精工株式会社 | Ball screw device |
| JPH1071598A (en) * | 1996-05-15 | 1998-03-17 | Daiji Adachi | Exchange and housing device for punch die and plane punching machine therewith |
| JP4711573B2 (en) * | 2001-09-25 | 2011-06-29 | イーグル工業株式会社 | Mechanical seal device |
| JP4154322B2 (en) * | 2003-12-10 | 2008-09-24 | 株式会社タンケンシールセーコウ | Segment ring |
| JP2009100905A (en) * | 2007-10-23 | 2009-05-14 | Nohmi Bosai Ltd | Sprinkler head |
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2011
- 2011-10-19 WO PCT/JP2011/005840 patent/WO2012056650A1/en active Application Filing
- 2011-10-19 SG SG2013029228A patent/SG189925A1/en unknown
- 2011-10-19 KR KR1020137007496A patent/KR20130139885A/en not_active Application Discontinuation
- 2011-10-19 JP JP2012540663A patent/JP5552540B2/en not_active Expired - Fee Related
- 2011-10-19 CN CN201180048140.0A patent/CN103201544B/en not_active Expired - Fee Related
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|---|---|---|---|---|
| US2486928A (en) * | 1946-09-09 | 1949-11-01 | Prentiss I Cole | Fluid seal |
| GB1142328A (en) * | 1966-05-12 | 1969-02-05 | Us Metallic Packing Company Lt | Improvements in means for relatively locating two members |
| CN85109414A (en) * | 1985-01-03 | 1986-08-27 | 彻斯特顿公司 | Open the fraction mechanical end face seal |
| EP1526311A1 (en) * | 2003-10-24 | 2005-04-27 | Tanken Seal Seiko Co., Ltd. | Mechanical seal |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2012056650A1 (en) | 2014-03-20 |
| JP5552540B2 (en) | 2014-07-16 |
| WO2012056650A1 (en) | 2012-05-03 |
| KR20130139885A (en) | 2013-12-23 |
| CN103201544A (en) | 2013-07-10 |
| SG189925A1 (en) | 2013-06-28 |
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