CN203756986U - Sealing structure - Google Patents
Sealing structure Download PDFInfo
- Publication number
- CN203756986U CN203756986U CN201420062908.0U CN201420062908U CN203756986U CN 203756986 U CN203756986 U CN 203756986U CN 201420062908 U CN201420062908 U CN 201420062908U CN 203756986 U CN203756986 U CN 203756986U
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- Prior art keywords
- parts
- packing ring
- annular convex
- face
- fore
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- Expired - Lifetime
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- 238000007789 sealing Methods 0.000 title claims abstract description 32
- 230000002093 peripheral effect Effects 0.000 claims abstract description 35
- 238000012856 packing Methods 0.000 claims description 96
- 125000004122 cyclic group Chemical group 0.000 claims description 35
- 229920001971 elastomer Polymers 0.000 abstract 1
- 239000000806 elastomer Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Abstract
The utility model provides a sealing structure which comprises an inner tube (200), an outer tube (300), a shell (400) and a washer (100). The washer (100) clings to the inner tube (200), the outer tube (300) and the shell (400) respectively and is made of rubbery elastomers. The sealing structure is characterized in that the set axial distance from an end surface of the shell (400) to an annular protrusion (220) arranged on the inner tube (200) is larger than the radial size of an annular gap between the inner tube (200) and the outer tube (300), the washer (100) comprises a cylindrical washer body (110), an end surface (140) of the cylindrical washer body (110) clings to an end surface (410) of the shell (400), and another end surface (150) of the cylindrical washer body (110) clings to a planar side surface (221) of the annular protrusion (220); a first annular protrusion (120) is arranged on the inner peripheral side of the washer body (110); a second annular protrusion (130) is arranged on the outer peripheral side of the washer body (110). The sealing structure has the advantages that the washer can cling to three components respectively, and accordingly the sealing performance of the sealing structure can be improved.
Description
Technical field
The utility model relates to a kind of sealing configuration that uses packing ring.
Background technique
In the past, known have by making packing ring be adjacent to respectively 3 parts, seals respectively the technology (with reference to patent documentation 1) in this 3 parts gap each other.With reference to Fig. 7, one example of this type of technology is described.Fig. 7 is the constructed profile map that represents the sealing configuration of prior art example.
In the prior art, O ring 900 is closely attached on respectively inner tube 600, outer tube 700 and housing 800 these three parts of above-mentioned inner tube 600 and the device of outer tube 700 is installed.
In the pipe of outer tube 700, insert inner tube 600, with fastening pieces such as bolts, outer tube 700 is fixing with housing 800.The fastening force that utilizes O to encircle the generations such as 900 makes inner tube 600 location fixing.Housing 800 is being assembled under the state of inner tube 600 and outer tube 700, the outer circumferential face 610 of inner tube 600 and the inner peripheral surface of outer tube 700 are concentric arrangement.The end face 810 of housing 800 is opposed with the end face of inner tube 600 and the end face of outer tube 700.
Be provided with in the inner peripheral surface side of outer tube 700 forward end the conical surface 710 that forward end orient diameter expands.Between the outer circumferential face 610 of this conical surface 710, inner tube 600 and the end face 810 of housing 800, the annulus that formation section is general triangular.O ring 900 is configured in this annulus.Thus, O ring 900 is close to respectively the conical surface 710, the outer circumferential face 610 of inner tube 600 and the end face 810 of housing 800 of outer tube 700.Utilize this sealing structure inner tube 600, outer tube 700 and the each parts of housing 800 gap each other.
In above-mentioned prior art, fixed by fastening pieces such as bolts due to outer tube 700 and housing 800, be therefore mutually adjacent to.But, because the fastening force that only encircles the generations such as 900 by O is located inner tube 600, therefore between inner tube 600 and housing 800, can produce gap S.When this gap S is excessive, O ring 900 can not be given full play to sealability.In order to play consistently sealability, must make O ring 900 fully be adjacent to respectively the conical surface 710, the outer circumferential face 610 of inner tube 600 and the end face 810 of housing 800 of outer tube 700.For achieving the above object, must improve the dimensional accuracy of each parts.Therefore, also must improve the machining accuracy of the conical surface 710.In addition, under the situation of O ring 900, even if the dimensional accuracy at the initial stage of raising is passed in time and aging, dimensional accuracy also can reduce.
In sum, in above-mentioned prior art, be difficult to play consistently sealability.
Prior art document
Patent documentation
Patent documentation 1: Japanese patent of invention discloses 6-213088 communique
Model utility content
The purpose of this utility model, is to provide a kind of making packing ring improve the sealing configuration of sealability in being closely attached on respectively the structure of 3 parts.
The utility model is for addressing the above problem the following means that adopt.
; sealing configuration of the present utility model; comprise have outer circumferential face the 1st parts, have with the 2nd parts of the inner peripheral surface of described outer circumferential face concentric arrangement, have with the 3rd parts of the end face of the 1st parts and the opposed end face of end face of the 2nd parts and by being close to the 1st parts, the 2nd parts and the 3rd parts respectively; and seal respectively the above-mentioned all parts packing ring of the rubber-like elasticity system in gap each other, wherein
Be provided with 1st cyclic lug outstanding from the outer circumferential face side direction radial outside of the 1st parts, or from the 2nd outstanding cyclic lug of the inner peripheral surface side direction radially inner side of the 2nd parts, and setting is greater than the radial dimension of the annular gap between the outer circumferential face of the 1st parts and the inner peripheral surface of the 2nd parts from described end face to the 1 cyclic lug of the 3rd parts or the axial distance of the 2nd cyclic lug, and
Described packing ring has, columnar packing ring main body portion, and an one end face is close to the described end face of the 3rd parts, and another end face is close to the plane side of the 1st cyclic lug or the 2nd cyclic lug; The 1st annular convex, it is arranged at the inner peripheral surface side of this packing ring main body portion, is close to the outer circumferential face of the 1st parts; And the 2nd annular convex, it is arranged at the outer circumferential face side of this packing ring main body portion, is close to the inner peripheral surface of the 2nd parts,
Do not act in external force under the state of described packing ring, distance from an end face of described packing ring main body portion to another end face, under state together with ratio arrives the 1st parts, the 2nd parts and the 3rd assembling parts, large from described end face to the 1 cyclic lug of the 3rd parts or the axial distance of the 2nd cyclic lug, and
Do not act in external force under the state of described packing ring, the internal diameter of described packing ring main body portion is greater than the external diameter of the 1st parts outer circumferential face, the internal diameter of the 1st annular convex front end is less than the external diameter of the 1st parts outer circumferential face, and the external diameter of described packing ring main body portion is less than the internal diameter of the 2nd parts inner peripheral surface, the front end external diameter of the 2nd annular convex is greater than the internal diameter of the 2nd parts inner peripheral surface.
According to the utility model, by said structure, in columnar packing ring main body portion, compared with thickness radially, the size of axial direction is elongated.Therefore, packing ring main body portion is easy to compress on axial direction.Therefore, even when between the 1st parts and the 3rd parts, or while producing gap between the 2nd parts and the 3rd parts, also because packing ring main body portion is compressed on axial direction, and can stably seal the end face of the 3rd parts and the 1st cyclic lug or and the 2nd cyclic lug between gap.
In packing ring, owing to only having, the part of the 1st annular convex and the 2nd annular convex is compressed is closely attached on the 1st parts and the 2nd parts, therefore in the space that packing ring is installed, reduces the fill factor of packing ring.Therefore can reduce load when packing ring is installed.In addition, can suppress packing ring by mandatory distortion.Can stablize performance sealability thereupon.
As mentioned above, according to the utility model, can be making packing ring improve sealability in being closely attached on respectively the structure of three parts.
Brief description of the drawings
Fig. 1: Fig. 1 is the constructed profile map that represents the utility model embodiment's sealing configuration.
Fig. 2: Fig. 2 is that the part of the utility model embodiment's packing ring is cut sectional drawing open.
Fig. 3: Fig. 3 be represent the utility model embodiment packing ring be shaped time appearance constructed profile map.
Fig. 4: Fig. 4 is the constructed profile map of appearance while representing the utility model embodiment's the packing ring demoulding.
Fig. 5: Fig. 5 is the constructed profile map of the packing ring that the represents the utility model embodiment appearance while reclaiming from mould.
Fig. 6: Fig. 6 is the constructed profile map that represents the sealing configuration of the utility model variation.
Fig. 7: Fig. 7 is the constructed profile map that represents the sealing configuration of prior art example.
Description of reference numerals
100 packing rings
110 packing ring main body portioies
120 the 1st annular convex
121 curved surfaces
130 the 2nd annular convex
131 curved surfaces
140 end faces
150 end faces
200 inner tubes
210 outer circumferential faces
220 cyclic lugs
221 sides
300 outer tubes
310 inner peripheral surfaces
320 cyclic lugs
321 sides
400 housings
410 end faces
420 holes
510 the 1st moulds
511 slot parts
520 the 2nd moulds
521 slot parts
522 outer circumferential faces
530 the 3rd moulds
531 inner peripheral surfaces
550 push strut
Embodiment
Describe mode of execution of the present utility model in detail referring to accompanying drawing and according to embodiment.But, unless there is special records, the size of the structure member of recording in embodiment, material, shape and relative configuration thereof etc. are not as the restriction to the utility model scope.
(embodiment)
With reference to Fig. 1～Fig. 5, the manufacture method of the utility model embodiment's sealing configuration and packing ring is described.In the present embodiment, describe as example taking the sealing configuration at pipe-fitting joint part place of device that bimetallic tube is installed.
< sealing configuration >
With reference to Fig. 1, the utility model embodiment's sealing configuration is described.Fig. 1 is the constructed profile map that represents the utility model embodiment's sealing configuration.In Fig. 1, for ease of explanation, indicate that packing ring 100 is at the sectional drawing not being subject under external force state.In addition, in Fig. 1, for the inner tube 200 as the 1st parts, as the outer tube 300 of the 2nd parts with as the housing 400 of the device of the 3rd parts, dot the sectional drawing of state after their assemblings.
The sealing configuration of the present embodiment, comprises above-mentioned inner tube 200, outer tube 300 and housing 400, and is closely attached on respectively the packing ring 100 of the rubber-like elasticity system of above-mentioned 3 parts.
In the pipe of outer tube 300, insert inner tube 200, with fastening pieces such as bolts, outer tube 300 is fixing with housing 400.Utilize the fastening force of the generations such as packing ring 100 to make inner tube 200 location fixing.Inner tube 200 and outer tube 300 are being assembled under the state of housing 400 to inner peripheral surface 310 concentric arrangement of the outer circumferential face 210 of inner tube 200 and outer tube 300.The end face 410 of housing 400 is opposed with the end face of inner tube 200 and the end face of outer tube 300.On housing 400, be provided with and form the hole 420 of fluid passage, inner tube 200 and outer tube 300 are installed on housing 400, so that interior connection of pipe of this hole 420 and inner tube 200.
Inner tube 200 is provided with the cyclic lug outstanding from outer circumferential face side direction radial outside (the 1st cyclic lug) 220.Here, the axial direction distance by the end face from housing 400 410 to cyclic lug 220, is set as being greater than the radial dimension of annular gap between the outer circumferential face 210 of inner tube 200 and the inner peripheral surface 310 of outer tube 300.According to said structure, by the side 221 of the plane shape of cyclic lug 220, end face 410, the outer circumferential face 210 of inner tube 200 and the inner peripheral surface 310 of outer tube 300 of housing 400, form the annulus that section is elongated essentially rectangular.Packing ring 100 is installed in this annulus.
< packing ring >
See figures.1.and.2 and further describe the packing ring 100 of the present embodiment.
Packing ring 100 comprises: columnar packing ring main body portion 110, be arranged at packing ring main body portion 110 inner peripheral surface side the 1st annular convex 120 and be arranged at the 2nd annular convex 130 of the outer circumferential face side of packing ring main body portion 110.The 1st annular convex 120 and the 2nd annular convex 130 are arranged near the central authorities on axial direction.The packing ring 100 of the present embodiment forms the symmetric shape with respect to the median plane on axial direction.Therefore the direction while packing ring 100 being installed without attention.In packing ring main body portion 110, the size of axial direction is greater than thickness radially.For example, setting radial thickness is 2～3mm, sets axial direction and is of a size of 10～11mm left and right.
Here, an end face 140 of packing ring main body portion 110 is adjacent to the end face 410 of housing 400, and another end face 150 is adjacent to the plane shape side 221 of cyclic lug 220.Outer circumferential face 210, the 2 annular convex 130 that the 1st annular convex 120 is close to inner tube 200 are close to the inner peripheral surface 310 of outer tube 300.
And, under not to the state of packing ring 100 external force actions, set and be greater than inner tube 200 and outer tube 300 are being assembled in the state of housing 400 to the distance of another end face 150 from an end face 140 of packing ring main body portion 110, the axial direction distance from the end face 410 of housing 400 to cyclic lug 220.In addition, be set in not under the state of packing ring 100 external force actions, the internal diameter of packing ring main body portion 110 is greater than the external diameter of the outer circumferential face 210 of inner tube 200, the internal diameter of the 1st annular convex 120 front ends is less than the external diameter of the outer circumferential face 210 of inner tube 200, and the external diameter of packing ring main body portion 110 is less than the internal diameter of the inner peripheral surface 310 of outer tube 300, the external diameter of the 2nd annular convex 130 front ends is greater than the internal diameter of the inner peripheral surface 310 of outer tube 300.
Set the 2nd annular convex 130 and be greater than the overhang of the 1st annular convex 120 to radially inner side to the overhang of radial outside.Be 11mm left and right, external diameter while being 14mm left and right when setting the internal diameter of packing ring main body portion 110, the overhang of setting the 1st annular convex 120 is 0.1mm～0.5mm left and right, and the overhang of the 2nd annular convex 130 is 0.2mm～1.5mm left and right.
The fore-end of the 1st annular convex 120 is the curved surface of the curved and bulging to the inside of section, and the both sides of this fore-end are the curved and recessed curved surface 121 laterally of section.And, the curved surface of fore-end and 121 smooth connections of the curved surface of its both sides.The radius of curvature of the section of the curved surface 121 of setting fore-end both sides is larger.For example, setting its radius of curvature is 1mm left and right.
Similarly, for the 2nd annular convex 130, its fore-end is the curved surface of the curved and bulging laterally of section, and the both sides of this fore-end are the curved and recessed curved surface 131 to the inside of section.And, the curved surface of fore-end and 131 smooth connections of the curved surface of its both sides.The radius of curvature of the section of the curved surface 131 of setting fore-end both sides is larger.For example, setting its radius of curvature is 2mm left and right.
The advantage > of the sealing configuration of < the present embodiment
As mentioned above, according to the sealing configuration of the present embodiment, in columnar packing ring main body portion 110, the size of axial direction is greater than thickness radially.Therefore, packing ring main body portion 110 is easy on axial direction compressed.
Here, under the situation of the present embodiment, because outer tube 300 and housing 400 are fixed by fastening pieces such as bolts, be therefore mutually adjacent to.But, because inner tube 200 is only located by the fastening force of the generations such as packing ring 100, therefore between inner tube 200 and housing 400, produce gap S.
But, in the present embodiment, as mentioned above, due to packing ring main body portion 110 be easy on axial direction compressed, even therefore in the time that gap S becomes large, the also gap between the end face 410 of seal casinghousing 400 and the side 221 of cyclic lug 220 stably.
In addition, be adjacent to the inner peripheral surface 310 of outer tube 300 by outer circumferential face 210, the 2 annular convex 130 that make the 1st annular convex 120 of packing ring 100 be adjacent to inner tube 200, carry out the annular gap between sealed inner tube 200 and outer tube 300.Here, under not to the state of packing ring 100 external force actions, the internal diameter of setting packing ring main body portion 110 is greater than the external diameter of the outer circumferential face 210 of inner tube 200, the internal diameter of the 1st annular convex 120 front ends is less than the external diameter of the outer circumferential face 210 of inner tube 200, and the external diameter of setting packing ring main body portion 110 is less than in the internal diameter of the inner peripheral surface 310 of outer tube 300, and the external diameter of the 2nd annular convex 130 front ends is greater than the internal diameter of the inner peripheral surface 310 of outer tube 300.Thus, owing to only making the Partial shrinkage of the 1st annular convex 120 and the 2nd annular convex 130 be close to inner tube 200 and outer tube 300, therefore can packing ring 100 be suppressed very lowly by the fill factor in the space that packing ring 100 is installed.Thereby can dress be suppressed very lowly by load when packing ring 100.In addition, can suppress to force packing ring 100 is out of shape.Thus, can stablize performance sealability.
The manufacture method > of < packing ring
With reference to Fig. 3～Fig. 5, the manufacture method of the packing ring 100 to the present embodiment describes.Manufacture the packing ring 100 of the present embodiment based on injection molding moulding process.
Fig. 3 is the constructed profile map of the state while adding sulphur shaping in expression forming process.In forming process, mould is set, the medial axis of the packing ring 100 of the gained that makes to be shaped is in vertical direction.
Mould comprises the 1st mould the 510, the 2nd mould 520 and the 3rd mould 530.The effect of the 1st mould 510 is the end face parts (end face 140 parts) that at least form the vertical direction upside of packing ring 100.The slot part 511 of the ring-type on the 1st mould 510 at least forms the end face part of the vertical direction upside of packing ring 100.The effect of the 2nd mould 520 is end face part (another end face 150 parts) and the inner peripheral surface parts including the 1st annular convex 120 positions of packing ring 100 that at least form the vertical direction downside of packing ring 100.The slot part 521 of the ring-type of the 2nd mould 520 at least forms the end face part of the vertical direction downside of packing ring 100.In addition, the outer circumferential face 522 of the roughly column part of the 2nd mould 520 at least forms the inner peripheral surface part including the 1st annular convex 120 positions of packing ring 100.The effect of the 3rd mould 530 is the outer circumferential face parts that at least form including the 2nd annular convex 130 positions of packing ring 100.The inner peripheral surface 531 of the 3rd mould 530 at least forms the outer circumferential face part including the 2nd annular convex 130 positions of packing ring 100.
In stripping process, as shown in Figure 4, the 1st mould 510 is moved upward, and the 2nd mould 520 is moved downwards.Here, as mentioned above, in packing ring 100, set the 2nd annular convex 130 and be greater than the overhang of the 1st annular convex 120 to radially inner side to the overhang of radial outside.Therefore, utilize the 2nd annular convex 130 parts and the inlay resultant force to the 3rd mould 530, make the packing ring 100 after being shaped stay and be held in the 3rd mould 530.
Here, the 1st annular convex 120 parts form so-called back-off (undercut).But as mentioned above, in the 1st annular convex 120, the fore-end being made up of curved surface and the curved surface of its both sides 121 link up smoothly.The radius of curvature of the section of the curved surface 121 of setting fore-end both sides is larger.Therefore, can not damage the 1st annular convex 120 and make the 2nd mould 520 shift to below.
Then, as shown in Figure 5, move the push strut 600 as push part to P direction, pushing packing ring 100, thus can by by packing ring 100 from the 3rd mould 530 roof falls and the automatic recovery packing ring 100.Here, as mentioned above, in the 2nd annular convex 130, the fore-end being made up of curved surface and the curved surface of its both sides 131 link up smoothly.The radius of curvature of the section of the curved surface 131 of setting fore-end both sides is larger.Therefore, can not damage the 2nd annular convex 130 and by packing ring 100 roof falls.
By adopting above-mentioned method for making, can manufacture packing ring 100 with automatic forming machine.
(variation)
In the above-described embodiments, illustrate in the inner tube 200 as the 1st parts cyclic lug 220 has been set, and made another end face 150 of packing ring 100 be adjacent to the structure of this cyclic lug 220.But, also can adopt cyclic lug is arranged to the outer tube 300 as the 2nd parts, and make another end face 150 of packing ring 100 be adjacent to the structure of this cyclic lug.With reference to Fig. 6, the variation of the above-mentioned the utility model embodiment's of simple declaration sealing configuration.Fig. 6 is the constructed profile map that represents the sealing configuration of the utility model variation.In Fig. 6, use identical reference character for structure division same as the previously described embodiments, and the description thereof will be omitted.
In this variation, in the inner tube 200 as the 1st parts, cyclic lug is not set.Instead, be provided with the cyclic lug outstanding from the inner peripheral surface side direction radially inner side of the outer tube 300 as the 2nd parts (the 2nd cyclic lug) 320.According to this structure, also surround by end face 410, the outer circumferential face 210 of inner tube 200 and the inner peripheral surface 310 of outer tube 300 of the side 321 of the plane shape of cyclic lug 320, housing 400 annulus that section is elongated essentially rectangular.And, packing ring 100 is installed in this annulus.Therefore, can obtain the effect identical with the situation of above-described embodiment.
(other)
In the above-described embodiments, illustrate at outer tube 300 and housing 400 and fixed and be mutually close to by fastening pieces such as bolts, and produced under the environment of gap S between inner tube 200 and housing 400, used the situation of packing ring 100.But, fixed and be mutually close to by fastening pieces such as bolts in inner tube 200 and housing 400, and producing under the environment of gap S between outer tube 300 and housing 400, also can be suitable for above-mentioned packing ring 100.
Claims (7)
1. a sealing configuration, is characterized in that, comprising:
There are the 1st parts of outer circumferential face;
There are the 2nd parts with the inner peripheral surface of described outer circumferential face concentric arrangement;
There are the 3rd parts with the end face of the 1st parts and the opposed end face of end face of the 2nd parts; And
By being close to the 1st parts, the 2nd parts and the 3rd parts respectively, and seal respectively the above-mentioned all parts packing ring of the rubber-like elasticity system in gap each other, wherein,
Be provided with 1st cyclic lug outstanding from the outer circumferential face side direction radial outside of the 1st parts, or from the 2nd outstanding cyclic lug of the inner peripheral surface side direction radially inner side of the 2nd parts, and setting is greater than the radial dimension of the annular gap between the outer circumferential face of the 1st parts and the inner peripheral surface of the 2nd parts from described end face to the 1 cyclic lug of the 3rd parts or the axial distance of the 2nd cyclic lug, and
Described packing ring has:
Columnar packing ring main body portion, an one end face is close to the described end face of the 3rd parts, and another end face is close to the plane side of the 1st cyclic lug or the 2nd cyclic lug;
The 1st annular convex, it is arranged at the inner peripheral surface side of this packing ring main body portion, is close to the outer circumferential face of the 1st parts; And
The 2nd annular convex, it is arranged at the outer circumferential face side of this packing ring main body portion, is close to the inner peripheral surface of the 2nd parts,
Under not to the state of described packing ring external force action, distance from an end face of described packing ring main body portion to another end face, under state together with ratio arrives the 1st parts, the 2nd parts and the 3rd assembling parts, large from described end face to the 1 cyclic lug of the 3rd parts or the axial distance of the 2nd cyclic lug, and
Under not to the state of described packing ring external force action, the internal diameter of described packing ring main body portion is greater than the external diameter of the 1st parts outer circumferential face, the front inner diameter of the 1st annular convex is less than the external diameter of the 1st parts outer circumferential face, and the external diameter of described packing ring main body portion is less than the internal diameter of the 2nd parts inner peripheral surface, the front end external diameter of the 2nd annular convex is greater than the internal diameter of the 2nd parts inner peripheral surface.
2. sealing configuration as claimed in claim 1, is characterized in that, the radial thickness of described packing ring main body portion is 2～3mm, and axial dimension is 10～11mm.
3. sealing configuration as claimed in claim 1, is characterized in that, described the 2nd annular convex, to the overhang of radial outside, is greater than the overhang of described the 1st annular convex to radially inner side.
4. sealing configuration as claimed in claim 1, it is characterized in that, the fore-end of described the 1st annular convex is made up of the curved surface of the curved bulging to the inside of section, the both sides of the fore-end of described the 1st annular convex are made up of the curved curved surface of depression laterally of section, and the curved surface of the fore-end both sides of the curved surface of the fore-end of described the 1st annular convex and described the 1st annular convex links up smoothly.
5. sealing configuration as claimed in claim 4, is characterized in that, the profile curvature radius of fore-end two N-Side surfs of described the 1st annular convex is 1mm.
6. sealing configuration as claimed in claim 1, it is characterized in that, the fore-end of described the 2nd annular convex by section curved, the curved surface of bulging to the inside forms, the both sides of the fore-end of described the 2nd annular convex by section curved, the curved surface of depression forms laterally, the smooth connection of the curved surface of the fore-end both sides of the curved surface of the fore-end of described the 2nd annular convex and described the 2nd annular convex.
7. sealing configuration as claimed in claim 6, is characterized in that, the profile curvature radius of fore-end two N-Side surfs of described the 2nd annular convex is 2mm.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013129529A JP6135326B2 (en) | 2013-06-20 | 2013-06-20 | Seal structure and gasket manufacturing method |
| JP2013-129529 | 2013-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203756986U true CN203756986U (en) | 2014-08-06 |
Family
ID=51252265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420062908.0U Expired - Lifetime CN203756986U (en) | 2013-06-20 | 2014-02-11 | Sealing structure |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6135326B2 (en) |
| CN (1) | CN203756986U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110076936A (en) * | 2019-04-28 | 2019-08-02 | 厦门奥泉橡胶有限公司 | Sealing ring makes mold |
| CN110107689A (en) * | 2019-04-28 | 2019-08-09 | 厦门奥泉橡胶有限公司 | The sealing ring of side sealing |
| CN113464541A (en) * | 2020-03-31 | 2021-10-01 | 株式会社托普拉 | Threaded fastener |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1303579B1 (en) * | 1998-12-11 | 2000-11-14 | Dayco Europe Spa | SEAL AND UNIT GASKET, CONNECTION TO FLUID SEAL, PROVIDED FOR SUCH GASKET. |
| JP4632073B2 (en) * | 2000-12-25 | 2011-02-16 | 豊田合成株式会社 | Mold for sealing ring molding and molding method for sealing ring |
| JP2007085473A (en) * | 2005-09-22 | 2007-04-05 | Nok Corp | Gasket |
| JP5102240B2 (en) * | 2009-03-24 | 2012-12-19 | 日立オートモティブシステムズ株式会社 | Seal structure |
| JP2011117588A (en) * | 2009-10-28 | 2011-06-16 | Toshiba Corp | Joint member and fuel cell |
| JP2012207738A (en) * | 2011-03-30 | 2012-10-25 | Arai Seisakusho Co Ltd | Sealing structure |
-
2013
- 2013-06-20 JP JP2013129529A patent/JP6135326B2/en active Active
-
2014
- 2014-02-11 CN CN201420062908.0U patent/CN203756986U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110076936A (en) * | 2019-04-28 | 2019-08-02 | 厦门奥泉橡胶有限公司 | Sealing ring makes mold |
| CN110107689A (en) * | 2019-04-28 | 2019-08-09 | 厦门奥泉橡胶有限公司 | The sealing ring of side sealing |
| CN113464541A (en) * | 2020-03-31 | 2021-10-01 | 株式会社托普拉 | Threaded fastener |
| CN113464541B (en) * | 2020-03-31 | 2023-08-08 | 株式会社托普拉 | Threaded fastener |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6135326B2 (en) | 2017-05-31 |
| JP2015004394A (en) | 2015-01-08 |
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Granted publication date: 20140806 |