CN208816665U - Resin ring - Google Patents
Resin ring Download PDFInfo
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- CN208816665U CN208816665U CN201820402337.9U CN201820402337U CN208816665U CN 208816665 U CN208816665 U CN 208816665U CN 201820402337 U CN201820402337 U CN 201820402337U CN 208816665 U CN208816665 U CN 208816665U
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- resin ring
- protruding portion
- circumferential
- ring
- resin
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Abstract
The utility model provides a kind of resin ring, the resin ring is provided with opposed opening portion disconnected from each other at a position in the circumferential, it is characterized in that, the resin ring is integrally formed with ring body portion and multiple protruding portion, wherein the multiple protruding portion is arranged in the inner peripheral surface in the ring body portion, and it is prominent to the radially inner side of the resin ring, and the maximum radially in resin ring of the multiple protruding portion is protruded having a size of 0.1mm or more 1mm or less.
Description
Technical field
The utility model relates to a kind of resin rings, more particularly, to the cross sectional shape of the body part of resin ring.
Background technique
The fluid transmission means such as hydraulic transmission, automatic transmission are used in the equipment as automobile, wherein
Resin ring made of resin is inevitably used to use as sealing ring or washer etc..Common resinous wood can be used
Material, such as the material as the resin ring such as PEEK, PPS, PTFE.
The shape of the ontology of existing resin ring is basic rectangular cross sectional shape, however, such cross sectional shape is simple
Resin ring can not ensure the performance requirement under complicated use condition to resin ring.
Utility model content
In view of object above, the utility model provides a kind of resin ring, and the resin ring is at the inner circumferential side in ring body portion
With multiple protruding portion, due to the presence of multiple protruding portion, can reduce resin ring it is whole at axial sides surface and other
The friction of component, and then can be improved the service life of resin ring.And further, due to the presence of multiple protruding portion 3, energy
Enough axial widths for suitably increasing resin ring 1, so that resin ring 1 can be prevented in installation shape when carrying out installation resin ring 1
Sink under state to radially inner side.And the resin ring of the utility model can prevent losing in installation process, and ensure side
Leakproofness.
One side according to the present utility model provides a kind of resin ring, which sets at a position in the circumferential
It is equipped with opposed opening portion disconnected from each other, which is characterized in that
The resin ring is integrally formed with ring body portion and multiple protruding portion, wherein
The multiple protruding portion is arranged in the inner peripheral surface in the ring body portion, and inside to the diameter of the resin ring
Side is prominent, and the maximum radially in resin ring of the multiple protruding portion is protruded having a size of 0.1mm or more 1mm or less.
Further, the whole radial width of the maximum axial height (h1) in the ring body portion and the resin ring
(a1) ratio is 0.4 or more 3 or less.
Further, the whole radial width (a1) of the resin ring is 0.8mm or more 5.0mm or less.
Further, the size of the outer diameter of the resin ring is 10mm or more 200mm or less.
Further, the multiple protruding portion has arcuation, trapezoidal shape in the section by the axis of the resin ring
Shape, rectangular shape or triangular shaped.
Further, the axial middle position of the multiple protruding portion and the axial middle position in the ring body portion are located at
In identical circumferential plane.
Further, axial height of the multiple protruding portion at radial outside and the ring body portion is inside in diameter
Difference (2 β) between axial height at side is 4% or more 80% or less the axial maximum height (h1) in the ring body portion.
Further, the quantity of the multiple protruding portion is 3 or more.
Further, the ring body portion has rectangular shape in the section by the axis of the resin ring.
Further, the ring body portion has integrally formed outer portion and internal ring portion, and the outer portion is located at described
At the radial outside of internal ring portion, and
The outer portion has rectangular shape in the section by the axis of the resin ring.
Further, the axial sides surface of the internal ring portion is respectively relative to the axial sides surface court of the outer portion
Inside is recessed in the axial direction, so that the axial sides surface of the internal ring portion is formed as the axial sides table with the outer portion respectively
Face is parallel.
Further, the axial sides surface of the internal ring portion respectively with advance radially inward and towards axially inner side
Inclination, so that the axial sides surface of the internal ring portion is formed as tilting relative to the axial sides surface of the outer portion.
Further, the axial sides surface in the ring body portion is inside towards axis with advancing radially inward respectively
It rolls oblique.
Further, in the section by the axis of the resin ring, the peripheral surface of the outer portion has straight line
Shape or the arcuate shape protruded to radial outside.
Further, the corner portion being formed at the outer circumferential of the outer portion at axial sides, the chamfering
Portion extends along the entire circumferential of the resin ring.
Further, the fillet part being formed at the outer circumferential of the outer portion at axial sides, the fillet
Portion extends along the entire circumferential of the resin ring.
Further, the side in the inner circumferential side and peripheral side of the opening portion forms the radial direction along the resin ring
And axially through the docking section of the resin ring, and
The other side in the inner circumferential side and peripheral side of the opening portion, the first step portion and first protruding portion
It is adjacent in the axial direction and is separately positioned at the upper side and lower side, and second protruding portion and the second step portion is in axial direction
On be adjacent to and be separately positioned at the upper side and lower side, wherein
First protruding portion can work in coordination with second protruding portion with mutual in the axial direction of the resin ring
It is stacked.
Further, a butting surface at the circumferential side for the docking section is located at institute in the circumferential direction
It states between first step portion and the protrusion end face of first protruding portion, and
Another butting surface at the circumferential other side of the docking section is located at described the in the circumferential direction
Between two stage portions and the protrusion end face of second protruding portion.
Further, the protrusion end face of first protruding portion be located in the circumferential the docking section in the circumferential direction one
Between a butting surface and the first step portion at side, and
The second step portion be located in the circumferential second protruding portion protrusion end face and the docking section in institute
It states between another butting surface at the circumferential other side.
Further, axial the upper side and lower side on the resin ring is provided at the circumferential side of the opening portion
Place is respectively facing the circumferential other side upper protruding portion outstanding and lower protruding portion, and in the circumferential other side of the opening portion
Place is provided with the middle position in the axial direction of the resin ring towards the circumferential side central projection outstanding,
It is interconnected between the upper protruding portion and the lower protruding portion by intermediate step portion, the central projection
Axial the upper side and lower side at be respectively arranged with top bar portion and stepped down part, and
The upper protruding portion and lower protruding portion can work in coordination with the central projection, so that the central projection
Between the upper protruding portion and the lower protruding portion, thus the upper protruding portion, the central projection and described lower prominent
Portion is successively stacked mutually in the axial direction of the resin ring out.
Further, the butting surface opposite one another at the opening portion is formed as plane,
The axial direction of the butting surface and the resin ring is in predetermined angular, and
The predetermined angular is 20 ° or more 80 ° or less or 0 °.
Further, first step portion and the circumferential direction along the resin ring are provided at the circumferential side of the opening portion
Second is provided with towards the circumferential other side the first protruding portion outstanding, and at the circumferential other side of the opening portion
Rank portion and along the circumferential direction towards circumferential side second protruding portion outstanding,
Under the mated condition of the opening portion, first protruding portion and the second step portion are opposite one another, described
Second protruding portion and the first step portion opposite one another, so that first protruding portion and second protruding portion are in the tree
It is stacked mutually in the axial direction of alicyclic ring.
Further, first step portion and the circumferential direction along the resin ring are provided at the circumferential side of the opening portion
Second is provided with towards the circumferential other side the first protruding portion outstanding, and at the circumferential other side of the opening portion
Rank portion and along the circumferential direction towards circumferential side second protruding portion outstanding, under the mated condition of the opening portion, institute
State the first protruding portion and the second step portion opposite one another, second protruding portion and the first step portion opposite one another,
To first protruding portion matching surface and second protruding portion matching surface against each other, and
Under the mated condition, the matching surface phase of the matching surface of first protruding portion and second protruding portion
For the axial at predetermined angular of the resin ring, the predetermined angular is 30 ° or more 60 ° or less.
Attached drawing and preferred embodiment below in conjunction with the utility model do further the technical solution of the utility model
It describes in detail, the beneficial effects of the utility model will be further appreciated.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and constitutes one of the utility model
Point, but its explanation is only used for explaining the utility model, does not constitute improper limits to the present invention.
Fig. 1 is the perspective view of the resin ring of first embodiment according to the present utility model.
Fig. 2 is the top view of the resin ring of first embodiment according to the present utility model.
Fig. 3 is the sectional view along the line I-I interception in Fig. 2 of resin ring shown in Fig. 2.
Fig. 4 is the sectional view of the resin ring of second embodiment according to the present utility model.
Fig. 5 is the sectional view of the resin ring of 3rd embodiment according to the present utility model.
Fig. 6 is the sectional view of the resin ring of fourth embodiment according to the present utility model.
Fig. 7 is the sectional view of the resin ring of the 5th embodiment according to the present utility model.
Fig. 8 is the sectional view of the resin ring of sixth embodiment according to the present utility model.
Fig. 9 is the sectional view of the resin ring of the 7th embodiment according to the present utility model.
Figure 10 is the sectional view of the first variation of resin ring according to the present utility model.
Figure 11 is the sectional view of the second variation of resin ring according to the present utility model.
Figure 12 (a) to 12 (g) is the perspective view of the third variation of resin ring according to the present utility model.
Specific embodiment
Technical solutions of the utility model are carried out below in conjunction with specific embodiment of the utility model and corresponding attached drawing
Clearly and completely describe.Obviously, described embodiment is only a part of preferred embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
Resin ring 1 according to the present utility model is provided with opposed opening portion disconnected from each other at a position in the circumferential
2, which is characterized in that the resin ring 1 is integrally formed with ring body portion 4 and multiple protruding portion 3, wherein
The multiple protruding portion 3 is arranged at the inner circumferential side in the ring body portion 4, and the multiple protruding portion 3
The maximum radially of resin ring 1 is protruded having a size of 0.1mm or more 1mm or less.
Each preferred embodiment according to the present utility model is described hereinafter with reference to Fig. 1-12.
<first embodiment>
Firstly, describing the specific knot of the first embodiment of resin ring 1 according to the present utility model hereinafter with reference to attached drawing 1-3
Structure.
Fig. 1 is the perspective view of the resin ring 1 of first embodiment according to the present utility model.Fig. 2 is according to the utility model
First embodiment resin ring 1 top view.Fig. 3 is the cutting along the line I-I interception in Fig. 2 of resin ring 1 shown in Fig. 2
Face figure.
As shown in Figure 1, according to the resin ring 1 of the present embodiment have opening portion 2, the opening portion 2 be formed in resin ring 1
At a position in circumferential direction, so that the opening portion 2 is in mated condition under the use state of resin ring 1, so that opening portion 2
Opposed two surface abut against each other.Fig. 1-3 is only an example in the specific structure of opening portion 2, and the utility model is not
It is limited to this, there can also be other constructions of opening portion 2.
As illustrated in fig. 1 and 2, resin ring 1 is integrally formed with ring body portion 4 and multiple protruding portion 3.Multiple protruding portion 3
It is formed in the inner peripheral surface in ring body portion 4, and prominent to radially inner side.Preferably, the quantity of multiple protruding portion 3 is three
More than, and preferably, multiple protruding portion 3 is evenly distributed in the inner circumferential side in ring body portion 4.
As shown in the cross-sectional view of figure 3, in resin ring 1, the height h1 in the axial direction of resin ring 1 in ring body portion 4
The ratio in the width a1 in the axial direction of resin ring 1 with the ring body portion 4 is 0.4 or more 3 or less.Tree with above-mentioned section
Alicyclic ring 1 can prevent losing in installation process, and ensure side leakproofness.
And, it is preferable that the radial width a1 of the resin ring 1 is set as 0.8mm or more 5.0mm or less.Protruding portion 3
Basic rectangular shape is again formed as in sectional view, the axial sides on the axial sides surface of the protruding portion 3 and ring body portion 4
Surface is substantially parallel, and the axial middle position of the protruding portion 3 is in roughly the same with the axial middle position in ring body portion 4
Circumferential plane in.And preferably, the difference (that is, 2 β) of the axial height of the protruding portion 3 and the axial height h1 in ring body portion 4
It is 4% or more 80% or less of axial height h1.And the projecting height t radially in resin ring 1 of the protruding portion 3 is
0.1mm or more 1mm or less.
And, it is preferable that the outer diameter of the resin ring 1 is dimensioned to 10mm or more 200mm or less.
In the annular groove for the periphery that resin ring 1 with above structure is installed in such as axis.So that axial the two of resin ring 1
Side surface carries out CONTACT WITH FRICTION with other parts respectively, in the present embodiment, since resin ring has multiple protruding portion 3, and
The area on the axial sides surface of multiple protruding portion 3 can reduce contact of the axial sides surface of resin ring 1 with other component
Area, and then the contact friction force of resin ring 1 Yu other component can be reduced, so as to improve the service life of resin ring 1.
Also, due to the presence of multiple protruding portion 3, it can suitably increase the axial width of resin ring 1, so that when carrying out
When resin ring 1 is installed, it can prevent resin ring 1 from sinking in the mounted state to radially inner side.
The structure of the resin ring 1 of the first embodiment of the utility model is schematically illustrated above with reference to Fig. 1-3, however, this
Utility model is without being limited thereto, other variations of first embodiment according to the present utility model are described below with reference to Fig. 4-12.
It is identical with the first embodiment in variation or similar component will be using identical reference label, and will omitted identical
Part explanation.
<second embodiment to fourth embodiment>
Fig. 4 is the sectional view of the resin ring of second embodiment according to the present utility model.Fig. 5 is according to the present utility model
The sectional view of the resin ring of 3rd embodiment.Fig. 6 is the sectional view of the resin ring of fourth embodiment according to the present utility model.
The second embodiment according to the present utility model shown in the fig. 4 to fig. 6 is into fourth embodiment, the area of resin ring 1
The shape of multiple protruding portion 3 is only that in place of not.The second the same or similar portion into fourth embodiment and first embodiment
Divide and use identical reference label, and will omit and the identical part of first embodiment.
The cross sectional shape of the protruding portion 3 of second embodiment according to the present utility model is trapezoidal shape shown in Fig. 4,
In, the axis at the radially inner side for the resin ring 1 that the axial height at the radial outside of the resin ring 1 of protruding portion 3 is greater than protruding portion 3
To height.And the axial height at the radial outside of the resin ring 1 of the protruding portion 3 is with the axial height h1's in ring body portion 4
Poor (2 β) is 4% or more 80% or less the axial height h1 in the ring body portion 4.And the protruding portion 3 in resin ring 1
Projecting height t radially is 0.1mm or more 1mm or less.
The cross sectional shape of the protruding portion 3 of 3rd embodiment according to the present utility model is arcuation shape shown in fig. 5,
In, specifically, protruding portion 3 is the arcuation shape protruded towards the radially inner side of resin ring, and protruding portion 3 is in resin ring 1
The difference (2 β) of the axial height h1 of axial height and ring body portion 4 at radial outside is 4% or more of axial height h1
80% or less.And the projecting height t radially in resin ring 1 of the protruding portion 3 is 0.1mm or more 1mm or less.
The cross sectional shape of the protruding portion 3 of fourth embodiment according to the present utility model be it is shown in fig. 6 triangular shaped,
In, specifically, the axial dimension of the protruding portion 3 is gradually reduced towards radially inner side.The radial direction in resin ring 1 of protruding portion 3
The difference (2 β) of the axial height h1 of the axial height and ring body portion 4 of outside be axial height h1 4% or more 80% with
Under.And the projecting height t radially in resin ring 1 of the protruding portion 3 is 0.1mm or more 1mm or less.
<the 5th embodiment to the 7th embodiment>
Fig. 7 is the sectional view of the resin ring of the 5th embodiment according to the present utility model.Fig. 8 is according to the present utility model
The sectional view of the resin ring of sixth embodiment.Fig. 9 is the sectional view of the resin ring of the 7th embodiment according to the present utility model.
The shape in ring body portion 4 is only that in place of Fig. 7 to the difference of resin ring shown in Fig. 9 and the resin ring of first embodiment
Shape.The same or similar part in 5th to the 7th embodiment and first embodiment uses identical reference label, and will
It omits and the identical part of first embodiment.
The ring body portion 4 of the resin ring 1 of 5th embodiment according to the present utility model shown in Fig. 7 have outer portion and
Internal ring portion.Wherein, outer portion has generally rectangular cross sectional shape.Internal ring portion is formed as relative to outer portion towards resin ring 1
Axially inner side and it is recessed so that the axial sides surface of internal ring portion is parallel with the axial sides surface of outer portion.The protruding portion 3
Axial height and ring body portion 4 radially inner side at axial height difference (2 β) be the ring body portion 4 maximum axial it is high
Spend 4% or more 80% or less h1.And the projecting height t radially in resin ring 1 of the protruding portion 3 is 0.1mm or more
1mm or less.
The body part 4 of the resin ring 1 of sixth embodiment according to the present utility model shown in Fig. 8 has outer portion and inner ring
Portion.Wherein, outer portion has generally rectangular cross sectional shape.Internal ring portion is formed as with skidding radially inward and then towards axis
It tilts inwardly, so that the axial sides surface of internal ring portion is formed as tilting relative to the axial sides surface of outer portion.This is prominent
The difference (2 β) of the axial height in portion 3 and the axial height at the radially inner side in ring body portion 4 is the maximum in the ring body portion 4 out
4% or more 80% or less axial height h1.And the projecting height t radially in resin ring 1 of the protruding portion 3 is
0.1mm or more 1mm or less.
The axial sides table in the ring body portion 4 of the resin ring 1 of the 7th embodiment according to the present utility model shown in Fig. 9
Face is formed as whole and tilts with skidding radially inward and then towards axially inner side.The axial height and ring sheet of the protruding portion 3
The difference (2 β) of axial height at the radially inner side in body portion 4 is 4% or more 80% of the maximum axial height h1 in the ring body portion 4
Below.And the projecting height t radially in resin ring 1 of the protruding portion 3 is 0.1mm or more 1mm or less.
<variation>
Figure 10-12 is the schematic diagram of each variation according to the present utility model.Wherein, Figure 10 is according to the present utility model
The sectional view of the first variation of resin ring.Figure 11 is the sectional view of the second variation of resin ring according to the present utility model.
Figure 12 (a) to 12 (g) is the perspective view of the third variation of resin ring according to the present utility model.
As shown in FIG. 10 and 11, in the resin ring 1 according to first variation, peripheral surface is formed as convex to radial outside
Convex surface 40 out, that is, in the sectional view by the axis of resin ring, which has the arc protruded towards radial outside
Shape shape.
In the case where the peripheral surface of resin ring 1 is formed as the rectilinear form in sectional view, when due to ester moulding
It shrinks, central portion becomes slightly concave shape.At this point, contact of the peripheral surface of resin ring with other component is connecing for both ends
Touching, to be easy to cause the abrasion of other component, then resin ring leads to resin ring possibly into the abrading section of other component
Movement may be obstructed.And when the peripheral surface of resin ring has the arcuation shape protruded towards radial outside in sectional view
When, the peripheral surface is always in the apex and other component contacts of periphery, so as to avoid above situation.
It, will be between the peripheral surface 40 of resin ring 1 and axial upper and lower surface and as shown in Figure 10, in first variation
Coupling part at be set as fillet part 6 (for example, by fillet process).
Also, it as shown in figure 11, in the second variation, can also be by the peripheral surface of resin ring 1 and axial upper following table
Corner portion 7 (for example, passing through chamfer machining) is set as at coupling part between face.That is, resin ring 1 is formed at outer circumferential
There are the fillet part being located at axial sides or corner portion, the fillet part or corner portion to extend along entire circumferential.
The opening portion 2 of resin ring of the utility model first embodiment to the 7th embodiment can use Figure 12 (a) -12
(g) structure of third variation shown in.And the construction of each variation and first embodiment shown in Figure 12 are to the 7th real
The difference place for applying example is only that the structure of opening portion 2.In each attached drawing of Figure 12, the ontology etc. to resin ring 1 is omitted
The detailed diagram of other structures, only with the structure of most simple ontology etc. as example.And in Figure 12 (a) to 12 (g)
In, the same or similar structure uses identical reference label.
As shown in Figure 12 (a), the opening portion 2 of resin ring 1 according to the present utility model has at inner circumferential side along the tree
The radial inner peripheral surface 11 from resin ring 1 of alicyclic ring 1 is outward and axially through the docking section of the resin ring 23, and the docking section
23 at the circumferential two sides of opening portion 2, are respectively formed butting surface 23a and butting surface 23b.
In the opening portion 2 at peripheral side, which has the first protruding portion 21 and first step at circumferential side
Portion 22, so that under the first protruding portion 21 is adjacent in the axial direction for being located at resin ring 1 in the axial direction with first step portion 22
At side and upside, which extends along the circumferential of resin ring 1 towards the circumferential other side on the downside of axial direction.And
At the peripheral side of the opening portion 2, which has the second protruding portion 24 and second step portion 25 in the circumferential other side,
So that the second protruding portion 24 is adjacent to the upside being located in the axial direction of resin ring 1 with second step portion 25 under in the axial direction
Side, second protruding portion 24 extending along the circumferential of resin ring 1 towards circumferential side at side in the axial direction.
Also, in variation, butting surface 23a is located at the prominent of first step portion 22 and the first protruding portion 21 in the circumferential
Out between the 21a of end face, and butting surface 23b is located at the protrusion end face 24a and second step of the second protruding portion 24 in the circumferential
Between portion 25.
Since opening portion 2 has above structure, when the opening portion of resin ring 12 is in the first protruding portion 21 and second
For protruding portion 24 when being stacked under such mated condition mutually in the axial direction of resin ring, the first protruding portion 21 is to second step portion 25
Against the second protruding portion 24 is to first step portion 22 against so that the first protruding portion 21 and the second protruding portion 24 are mutual in the axial direction
It is mutually stacked.
As shown in Figure 12 (b), opening portion 2 can also have structure shown in Figure 12 (b), tie with shown in Figure 12 (a)
It is the forming position of butting surface 23a, 23b of docking section 23 in place of the difference of structure.Wherein, the structure shown in Figure 12 (b)
In, the protrusion end face 21a of the first protruding portion 21 is formed in the circumferential between butting surface 23a and first step portion 22, thus
Second step portion 25 is formed in the circumferential between butting surface 23b and the protrusion end face 24a of the second protruding portion 24.
As shown in Figure 12 (c), opening portion 2 can also have structure shown in Figure 12 (c), wherein tie shown in Figure 12 (c)
It is only that in place of structure and the difference of structure shown in Figure 12 (a), butting surface 23a, 23b of docking section 23 are formed in opening portion 2
Peripheral side at, and the first protruding portion, first step portion, the second protruding portion and second step portion are formed at inner circumferential side.
As shown in Figure 12 (d), opening portion can also have structure shown in Figure 12 (d).Wherein, opening portion 2 is in inner circumferential side
Place has the radial inner peripheral surface 11 from resin ring 1 along the resin ring 1 outward and axially through the docking section of the resin ring
23, and the docking section 23 is respectively formed butting surface 23a and butting surface 23b at the circumferential two sides of opening portion 2.
In the opening portion 2 at peripheral side, which has at circumferential side is located at axial the upper side and lower side
The upper protruding portion 211 and lower protruding portion 212 at place, protruding portion 211 and lower protruding portion 212 are circumferentially towards the circumferential other side on this
And it protrudes, and connected between upper protruding portion 211 and lower protruding portion 212 by intermediate step portion 22.And in the opening portion 2
Peripheral side at, which has central projection 24 and top bar portion 251 and stepped down part 252 in the circumferential other side,
The central projection 24 is circumferentially protruded towards circumferential side at the approximately mid way between in the axial direction of resin ring 1, is made
It obtains top bar portion 251 and stepped down part 252 is located at the upside and downside of the central projection 24 in the axial direction.
Also, in this variation, butting surface 23a is substantially flush with intermediate step portion 22 in the circumferential, and is docked
Surface 23b is substantially flush with the protrusion end face 24a of central projection 24 in the circumferential.
Since opening portion 2 has above structure, when the opening portion of resin ring 12 is in central projection 24 positioned at upper
To which upper protruding portion 211, central projection 24, lower protruding portion 212 are successively in axial direction between protruding portion 211 and lower protruding portion 212
When under upper such mated condition stacked mutually, the upward stage portion 251 of upper protruding portion 211 is against lower 212 downward step of protruding portion
Portion 252 against, and central projection 24 to intermediate step portion 22 against to form upper protruding portion 211, central projection
24, the mated condition that lower protruding portion 212 is successively stacked mutually in the axial direction.
Also, the position of docking section 23 in the circumferential in this variation is not limited to position shown in the embodiment of diagram
It sets.
2 variation of opening portion shown in above-mentioned 12 (a) to 12 (d) can suitably improve the sealing performance of resin ring 1, from
And it is further able to the oil leak amount of adjustment resin ring 1, make that it is suitable for a variety of different use environments.
As shown in Figure 12 (e), opening portion 2 can also have structure shown in Figure 12 (e), wherein opening portion 2 is circumferential one
At side have butting surface 2a, the opening portion 2 at the circumferential other side have butting surface 2b, and butting surface 2a with dock
Surface 2b is formed as flat shape, with opposed in parallel with each other.Also, butting surface 2a and butting surface 2b are relative to resin ring
1 axial direction is at an angle of θ (not shown).
Preferably, which is 20 ° or more 80 ° or less.
In the variation shown in Figure 12 (e), the shape of the opening portion 2 of resin ring 1 can suitably adjust resin ring 1 and exist
Oil leak amount when use, to make that it is suitable for the requirements of the oil leak amount of use environment.
As shown in Figure 12 (f), opening portion 2 can also have structure shown in Figure 12 (f), wherein circumferential the one of opening portion 2
First step portion 23 is provided at side and along the circumferential towards circumferential direction other side 2b the first protruding portion outstanding of the resin ring 1
21, and it is provided at the circumferential other side of the opening portion 2 second step portion 24 and along the circumferential direction towards the week
To side the second protruding portion 22 outstanding, under the mated condition of the opening portion 2, first protruding portion 21 with described second
Rank portion 24 opposite one another, second protruding portion 22 with the first step portion 23 opposite one another, thus first protruding portion
21 are stacked mutually in the axial direction of the resin ring with second protruding portion 22.
First protruding portion 21 and the second protruding portion 22 be formed as from the inner peripheral surface of resin ring 1 along resin ring it is radial to
Peripheral surface that is outer and extending to resin ring 1.To, the first protruding portion 21 and the second protruding portion 22 resin ring 1 radially
Extension width be equal to the width in the radial direction of resin ring 1.
The opening portion 2 of the variation can change the resin ring by adjusting the parameter of the opening portion of the resin ring
Oil leak amount, so that the resin ring can be suitable for a variety of different environment.
As shown in Figure 12 (g), opening portion 2 can also have structure shown in Figure 12 (g), wherein opening portion 2 is circumferential one
There is the first protruding portion 21 and first step portion 23, first protruding portion 21 is at the outer circumferential of resin ring 1, along tree at side
The circumferential circumferential other side towards opening portion 2 of alicyclic ring 1 and extend, the first step portion 23 be located at resin ring 1 it is all inwardly
Place.And the opening portion 2 has the second protruding portion 22 and second step portion 24 at the circumferential other side, which exists
The week of resin ring 1 is located inwardly, extends, the second step portion along the circumferential circumferential side towards opening portion 2 of resin ring 1
24 are located at the outer circumferential of resin ring 1.
When resin ring 1 is under use state, that is, when opening portion 2 is under mated condition, circumferential the two of opening portion 2
Side is opposite each other, so that the first protruding portion 21 and second step portion 24 are opposite one another, the second protruding portion 22 and first step portion 23
Opposite one another, so that the matching surface 21a and 22a of the first protruding portion 21 and the second protruding portion 22 against each other.
Under the mated condition, matching surface 21a, 22a of the first protruding portion 21 and the second protruding portion 22 are parallel to each other,
And it is tilted relative to the axial direction of resin ring 1, the range of the inclined angle is preferably 30 ° or more 60 ° or less.Due to this
Matching surface 21a, 22a are inclined, therefore the case where do not tilt compared to matching surface, can suitably improve resin ring 1
Sealing performance.
It can be used above with reference to the opening portion 2 for schematically illustrating the resin ring 1 of the utility model Figure 12 (a) to 12 (g)
Various modifications structure.Resin ring 1 according to the present utility model can using variation shown in Figure 12 (a) to 12 (g) and its
The structure of opening portion 2 in equivalent structure.Above-mentioned first variation to third variation can be applied in combination.
The above description is only an example of the present application, is not intended to limit the utility model, for the skill of this field
For art personnel, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, made
Any modification, equivalent substitution, improvement and etc., should be included within the scope of the claims of the utility model.
Claims (23)
1. a kind of resin ring, which is provided with opposed opening portion disconnected from each other at a position in the circumferential, special
Sign is,
The resin ring is integrally formed with ring body portion and multiple protruding portion, wherein
The multiple protruding portion is arranged in the inner peripheral surface in the ring body portion, and prominent to the radially inner side of the resin ring
Out, and
The maximum radially in resin ring of the multiple protruding portion is protruded having a size of 0.1mm or more 1mm or less.
2. resin ring as described in claim 1, which is characterized in that
The ratio of the maximum axial height (h1) in the ring body portion and the whole radial width (a1) of the resin ring be 0.4 with
Upper 3 or less.
3. resin ring as claimed in claim 2, which is characterized in that
The whole radial width (a1) of the resin ring is 0.8mm or more 5.0mm or less.
4. resin ring as claimed in claim 3, which is characterized in that
The size of the outer diameter of the resin ring is 10mm or more 200mm or less.
5. resin ring as claimed in claim 4, which is characterized in that
The multiple protruding portion by the resin ring axis section in have arcuation, trapezoidal shape, rectangular shape or
Person is triangular shaped.
6. resin ring as claimed in claim 5, which is characterized in that
It is flat that the axial middle position in the axial middle position of the multiple protruding portion and the ring body portion is located at identical circumferential direction
In face.
7. resin ring as claimed in claim 6, which is characterized in that
The axial height at radially inner side of axial height of the multiple protruding portion at radial outside and the ring body portion
Difference (2 β) between degree is 4% or more 80% or less the axial maximum height (h1) in the ring body portion.
8. resin ring as claimed in claim 7, which is characterized in that
The quantity of the multiple protruding portion is 3 or more.
9. the resin ring as described in any one in claim 1 to 8, which is characterized in that
The ring body portion has rectangular shape in the section by the axis of the resin ring.
10. the resin ring as described in any one in claim 1 to 8, which is characterized in that
The ring body portion has integrally formed outer portion and internal ring portion, the diameter that the outer portion is located at the internal ring portion outside
At side, and
The outer portion has rectangular shape in the section by the axis of the resin ring.
11. resin ring as claimed in claim 10, which is characterized in that
The axial sides surface that the axial sides surface of the internal ring portion is respectively relative to the outer portion is recessed towards axially inner side
Enter, so that the axial sides surface of the internal ring portion is formed as parallel with the axial sides surface of the outer portion respectively.
12. resin ring as claimed in claim 10, which is characterized in that
The axial sides surface of the internal ring portion is tilted with advancing radially inward towards axially inner side respectively, so that described
The axial sides surface of internal ring portion is formed as tilting relative to the axial sides surface of the outer portion.
13. the resin ring as described in any one in claim 1 to 8, which is characterized in that
The axial sides surface in the ring body portion is tilted with advancing radially inward towards axially inner side respectively.
14. the resin ring as described in any one in claim 1 to 8, which is characterized in that
In the section by the axis of the resin ring, the peripheral surface of the resin ring has rectilinear form or outside to diameter
The arcuate shape of side protrusion.
15. resin ring as claimed in claim 14, which is characterized in that
The corner portion being formed at axial sides at the outer circumferential of the resin ring, the corner portion is along the resin ring
It is entire circumferential and extend.
16. resin ring as claimed in claim 14, which is characterized in that
The fillet part being formed at axial sides at the outer circumferential of the resin ring, the fillet part is along the resin ring
It is entire circumferential and extend.
17. the resin ring as described in any one in claim 1 to 8, which is characterized in that
Side in the inner circumferential side and peripheral side of the opening portion, formed along the resin ring radial direction and axially through described
The docking section of resin ring, and
The other side in the inner circumferential side and peripheral side of the opening portion, first step portion and the first protruding portion are adjacent in the axial direction
Ground is separately positioned at the upper side and lower side, and the second protruding portion and second step portion are adjacent to are separately positioned in the axial direction
At side and downside, wherein
First protruding portion can work in coordination with second protruding portion to be stacked mutually in the axial direction of the resin ring.
18. resin ring as claimed in claim 17, which is characterized in that
A butting surface at the circumferential side for the docking section is located at the first step portion in the circumferential direction
Between the protrusion end face of first protruding portion, and
Another butting surface at the circumferential other side of the docking section is located at described second in the circumferential direction
Between rank portion and the protrusion end face of second protruding portion.
19. resin ring as claimed in claim 17, which is characterized in that
One at the circumferential side that the protrusion end face of first protruding portion is located at the docking section in the circumferential is right
It connects between surface and the first step portion, and
The second step portion be located in the circumferential second protruding portion protrusion end face and the docking section in the week
To between another butting surface at the other side.
20. the resin ring as described in any one in claim 1 to 8, which is characterized in that
It is provided at the circumferential side of the opening portion at axial the upper side and lower side on the resin ring and is respectively facing week
It is provided with to the other side upper protruding portion outstanding and lower protruding portion, and at the circumferential other side of the opening portion in institute
Middle position in the axial direction of resin ring is stated towards circumferential side central projection outstanding,
It is interconnected between the upper protruding portion and the lower protruding portion by intermediate step portion, the axis of the central projection
Top bar portion and stepped down part are respectively arranged with to the upper side and lower side, and
The upper protruding portion and lower protruding portion can work in coordination with the central projection, so that the central projection is located at
Between the upper protruding portion and the lower protruding portion, thus the upper protruding portion, the central projection and the lower protruding portion
Successively it is stacked mutually in the axial direction of the resin ring.
21. the resin ring as described in any one in claim 1 to 8, which is characterized in that
Butting surface opposite one another at the opening portion is formed as plane,
The axial direction of the butting surface and the resin ring is in predetermined angular, and
The predetermined angular is 20 ° or more 80 ° or less or 0 °.
22. the resin ring as described in any one in claim 1 to 8, which is characterized in that
First step portion is provided at the circumferential side of the opening portion and along the circumferential towards circumferential another of the resin ring
Side the first protruding portion outstanding, and at the circumferential other side of the opening portion it is provided with second step portion and along described
It is circumferential towards the circumferential side the second protruding portion outstanding,
Under the mated condition of the opening portion, first protruding portion and the second step portion opposite one another, described second
Protruding portion and the first step portion opposite one another, so that first protruding portion and second protruding portion are in the resin ring
Axial direction on be stacked mutually.
23. the resin ring as described in any one in claim 1 to 8, which is characterized in that
First step portion is provided at the circumferential side of the opening portion and along the circumferential towards circumferential another of the resin ring
Side the first protruding portion outstanding, and at the circumferential other side of the opening portion it is provided with second step portion and along described
Circumferentially towards the circumferential side the second protruding portion outstanding, under the mated condition of the opening portion, first protruding portion
Opposite one another with the second step portion, second protruding portion and the first step portion opposite one another, thus described first
The matching surface of the matching surface of protruding portion and second protruding portion against each other, and
Under the mated condition, the matching surface of the matching surface of first protruding portion and second protruding portion relative to
For the axial direction of the resin ring at predetermined angular, the predetermined angular is 30 ° or more 60 ° or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820402337.9U CN208816665U (en) | 2018-03-23 | 2018-03-23 | Resin ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820402337.9U CN208816665U (en) | 2018-03-23 | 2018-03-23 | Resin ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208816665U true CN208816665U (en) | 2019-05-03 |
Family
ID=66267976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820402337.9U Active CN208816665U (en) | 2018-03-23 | 2018-03-23 | Resin ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208816665U (en) |
-
2018
- 2018-03-23 CN CN201820402337.9U patent/CN208816665U/en active Active
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