CN206972911U - Two-way sealing ring - Google Patents
Two-way sealing ring Download PDFInfo
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- CN206972911U CN206972911U CN201720947673.7U CN201720947673U CN206972911U CN 206972911 U CN206972911 U CN 206972911U CN 201720947673 U CN201720947673 U CN 201720947673U CN 206972911 U CN206972911 U CN 206972911U
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- circle body
- raised line
- sealing ring
- way sealing
- diameter surface
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Abstract
The utility model discloses a kind of two-way sealing ring, includes the circle body of annular, at least one raised line is provided with the external diameter surface and inside diameter surface of circle body, and the raised line on external diameter surface and inside diameter surface is set to correspond.Due at least one raised line is set on the external diameter surface and inside diameter surface of the circle body of two-way sealing ring correspondingly, the two-way sealing ring is set to be applied to the use condition of inner diameter seal and outside diameter seal simultaneously, when use condition mutually conversion between both inner diameter seal and outside diameter seal, the two-way sealing ring remains to keep stable sealing effectiveness；Simultaneously as the internal-and external diameter surface of circle body is respectively provided with raised line, when extruding is installed, simultaneously elastic deformation occurs for the raised line on the internal-and external diameter surface of circle body, and the elastic deformation amount of circle body is big, good sealing effect.
Description
Technical field
It the utility model is related to technical field of sealing technology, and in particular to a kind of two-way sealing ring.
Background technology
Sealing ring is the conventional parts of plant equipment, the solid of the adjacent space for preventing element of installation, liquid and/
The mutual flowing of gas, play a part of completely cutting off adjacent space.
In general sealing ring only has single acting surface, and when use environment changes, the sealing effectiveness of sealing ring occurs
Change, therefore, the use condition of the sealing ring normally only with single acting surface is single, and sealing effectiveness is unstable.
Utility model content
According to one side of the present utility model, there is provided two-way sealing ring, include the circle body of annular, the external diameter of circle body
At least one raised line is provided with surface and inside diameter surface, and the raised line on external diameter surface and inside diameter surface sets for one-to-one corresponding
Put.Due to setting at least one raised line on the external diameter surface and inside diameter surface of the circle body of two-way sealing ring correspondingly, make this
Two-way sealing ring can be applied to the use condition of inner diameter seal and outside diameter seal simultaneously, when use condition is in inner diameter seal and outer
When mutually being changed between both footpath sealings, the two-way sealing ring remains to keep stable sealing effectiveness；Simultaneously as circle body is inside and outside
Footpath surface is respectively provided with raised line, and when extruding is installed, simultaneously elastic deformation, the elasticity of circle body occur for the raised line on the internal-and external diameter surface of circle body
Deflection is big, good sealing effect.
In some embodiments, wherein, raised line for it is a plurality of when, the axle of inside diameter surface and external diameter surface of the raised line along circle body
Arranged to order, and groove is formed between adjacent raised line.Due to raised line set it is a plurality of, two-way sealing ring install when with coordinate
The contact area of parts is big, and mounting stability improves.
In some embodiments, wherein, the inside diameter surface of circle body and the raised line of external diameter surface are two, and two
Raised line is highly equal and is parallel to each other.Thus, the contact area of parts when two-way sealing ring is installed with coordinating is big, and installation is steady
Qualitative raising.
In some embodiments, wherein, what is set on the external diameter surface and inside diameter surface of circle body is located at the convex of topmost
Bar be in circle body upper bottom surface week edge lower section, positioned at the raised line of foot be in circle body bottom surface week edge top.Thus,
Circle body with coordinate component assembly when, raised line with coordinate part formed angle, the angle formed assembling when from be oriented to make
With making circle body easy for installation.
In some embodiments, wherein, the radial direction thinnest part thickness of circle body is more than the height of raised line.Due to circle body
The height of radial direction thinnest part thickness ratio raised line is big, and when two-way sealing ring extruding is installed, the raised line elasticity that first produces more overall than circle body becomes
Shape, ensure the sealing effectiveness of two-way sealing ring.
In some embodiments, wherein, the height of the longitudinal cross-section of circle body is more than the width of the longitudinal cross-section of circle body.By
In, the height of the longitudinal cross-section of circle body is more than the width of the longitudinal cross-section of circle body, when circle body and the component assembly of cooperation, circle body
It is not susceptible to overturn.
In some embodiments, wherein, the longitudinal section shape of raised line is zigzag, and zigzag tooth form angle is
Obtuse angle.Because when two-way sealing ring, which extrudes, to be installed, two-way sealing ring is under conditions of identical amount of compression, circle body and the zero of cooperation
The contact area of part is bigger, and sealing effectiveness is better, therefore, when angle is arranged to obtuse angle, under conditions of identical amount of compression,
Raised line is squeezed produce elastic deformation after, the contact area of itself and the part of cooperation can be bigger, so that sealing effectiveness is more preferable.
In some embodiments, wherein, the longitudinal section shape of raised line is angle that is trapezoidal, and forming two trapezoidal waists
For obtuse angle.Because when two-way sealing ring, which extrudes, to be installed, two-way sealing ring is under conditions of identical amount of compression, circle body and cooperation
The contact area of part is bigger, and sealing effectiveness is better, therefore, when angle is arranged to obtuse angle, in the condition of identical amount of compression
Under, raised line is squeezed produce elastic deformation after, the contact area of itself and the part of cooperation can be bigger, so that sealing effectiveness is more
It is good.
In some embodiments, wherein, the longitudinal section shape of raised line is arc.Thus, arcwall face and the zero of cooperation
Part linear contact lay, contact area is small to make frictional force small, so that circle body is easy for installation.
In some embodiments, wherein, two-way sealing ring is formed in one.Thus, two-way sealing ring installation is simple, close
It is good to seal effect.
Brief description of the drawings
Fig. 1 is the structural representation of the two-way sealing ring of the embodiment of the utility model one；
Fig. 2 is the Section A-A schematic diagram of two-way sealing ring shown in Fig. 1；
Fig. 3 is close-up schematic view at the B of two-way sealing ring shown in Fig. 2；
Fig. 4 is the close-up schematic view of the extruding internal diameter installation of two-way sealing ring shown in Fig. 3；
Fig. 5 is the close-up schematic view of the extruding external diameter installation of two-way sealing ring shown in Fig. 3.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 to Fig. 5 schematically shows that this is two-way according to a kind of two-way sealing ring of embodiment of the present utility model
Sealing ring includes the circle body 100 of annular.
As shown in figure 1, it is provided with least one on the external diameter surface and inside diameter surface of the circle body 100 of the two-way sealing ring
Raised line 101, and external diameter surface is corresponded with the raised line 101 on inside diameter surface and set.The upper bottom surface 111 of circle body 100 and bottom
Plane of the face 112 for annular and the raised line on the axis of circle body 100, the external diameter surface and inside diameter surface of circle body 100
101 circularize along being radially arranged for surface where it.The cross sectional shape for installing the mounting groove of circle body 100 is rectangle, and its groove depth
Less than the longitudinal cross-section of circle body 100 width (i.e. shown in Fig. 3, i.e. the thickness in the radial direction thickness of the longitudinal cross-section of circle body 100
D2).Preferably, the groove depth of mounting groove is more than the half of the width of the longitudinal cross-section of circle body 100 and is less than the radial direction of circle body 100 most
The thickness (the most thin-walled thickness D1 of the longitudinal cross-section of circle body 100 i.e. shown in Fig. 3) at thin place, i.e. 1/2D2<The groove depth of mounting groove<D1.Having
Body is in use, as shown in figure 4, when two-way sealing ring is installed by way of extruding internal diameter, for example, two-way sealing ring is installed
In the mounting groove for entering the setting of axle 200, circle body 100 coordinates with mounting groove gap, the raised line 101 and axle of the inside diameter surface of circle body 100
The bottom land contact of 200 mounting groove, axle sleeve 300 coordinate with the gap of axle 200, and axle sleeve 300 is interference fitted with circle body 100, axle sleeve 300
Circle body 100 is extruded with axle 200, the external diameter surface of circle body 100 and the raised line 101 of inside diameter surface are pressurized and produce elasticity change
Shape, so as to which the contact surface of circle body 100 and axle 200 and axle sleeve 300 be sealed.As shown in figure 5, when two-way sealing ring is outer by extruding
When the mode in footpath is installed, for example, during two-way sealing ring to be installed to the mounting groove of axle sleeve 300, circle body 100 is matched somebody with somebody with mounting groove gap
Close, the raised line 101 of the external diameter surface of circle body 100 is contacted with the bottom land of the mounting groove of axle sleeve 300, and axle sleeve 300 is matched somebody with somebody with the gap of axle 200
Close, axle 200 is interference fitted with circle body 100, and axle sleeve 300 and axle 200 are extruded circle body 100, the external diameter surface of circle body 100 with
The raised line 101 of inside diameter surface, which is pressurized, produces elastic deformation, so as to which the contact surface of circle body 100 and axle 200 and axle sleeve 300 be sealed.
Preferably, the axial order of inside diameter surface and external diameter surface of the raised line 101 along circle body 100 is set a plurality of and adjacent
Raised line 101 between formed groove 102.As shown in Fig. 1 to 5, when the inside diameter surface of circle body 100 and the raised line 101 of external diameter surface
When being respectively provided with two, two raised lines 101 are highly equal and both are parallel, and specific implementation is：Positioned at the topmost of circle body 100
Raised line 101 be in circle body 100 111 weeks edges of upper bottom surface lower section, and its be from upper bottom surface 111 and the both ends of groove 102 to this
The middle part at both ends extends and forms projection；The bottom surface 112 weeks of circle body 100 is in positioned at the raised line 101 of the foot of circle body 100
The top on edge, and its formed for the middle part extension of bottom surface 112 and the both ends of groove 102 to this both ends it is raised.When raised line 101
Set along the inside diameter surface and external diameter surface of circle body 100 when being respectively provided with a plurality of raised line 101, positioned at the topmost and most of circle body 100
As described above, difference is the generation type of the raised line 101 of bottom, the topmost of circle body 100 and the raised line 101 of foot it
Between raised line 101 be from middle part from the both ends of adjacent groove 102 to adjacent groove 102 extension and formed raised.
Preferably, (the most thin-walled of the longitudinal cross-section of circle body 100 is thick i.e. shown in Fig. 3 for the thickness of the radial direction thinnest part of circle body 100
D1) more than raised line height (height of raised line 101 for circle body 100 longitudinal cross-section the minimum point of raised line 101 in the radial direction
With the difference in height of peak, i.e., the H shown in Fig. 3), i.e. D1>H.
Preferably, (i.e. shown in Fig. 3, i.e. the axial direction of the longitudinal cross-section of circle body 100 is long for the height of the longitudinal cross-section of circle body 100
Spend L) be more than circle body 100 longitudinal cross-section width (i.e. shown in Fig. 3, i.e. the thickness in the radial direction thickness of the longitudinal cross-section of circle body 100
Spend D2), i.e. D2<L.
Preferably, as shown in Figures 3 to 5, the longitudinal section shape of raised line 101 is zigzag, and tooth form is symmetrical, tooth form angle
(as shown in figure 3, angle C between two sides of composition tooth form) is more than 90 °, and preferably angular range is 130 ° -160 °.Further
Ground, fillet R1 can be set on the top of tooth form.In another embodiment, the longitudinal section shape of raised line 101 can be trapezoidal
(not shown), it is preferably isosceles trapezoid, and the angular range for forming trapezoidal two waist is 130 ° -160 °.In another embodiment
In, the longitudinal section shape of raised line 101 can also be arc (not shown).It is above-mentioned be only raised line 101 some are specific
Embodiment, as long as raised line 101 is all of the present utility model from the both ends of the inside diameter surface of circle body 100 to central raised shape
Protection domain, elastic deformation can be produced in the state of being squeezed, play the effect of sealing.
Preferably, the angular range of groove 102 is 130 ° -160 °.
For example, in certain embodiments, as illustrated, the D1 of circle body 100 selects 9.2, D2 to select 11.6, H selections 1.2, L
Selection 14.5, now C is obtuse angle, and now no matter two-way sealing ring takes the mounting means of extruding external diameter or extrudes the installation of internal diameter
Mode, because the height H=1.2 of raised line 101 is much smaller than the most thin-walled thickness D1=9.2 of circle body 100, now raised line 101 is squeezed
Elastic deformation is produced, so as to which the contact area of the inner peripheral surface of axle or axle sleeve 300 with cooperation increases, sealing effectiveness is stable；Together
When, because axial length L=14.5 of circle body 100 are more than the thickness wall thickness D2=11.6 of circle body 100, two-way sealing ring installation
When its inner peripheral surface engagement shaft outer surface or its outer surface contact axle sleeve 300 inner peripheral surface than its upper surface or following table
Face engagement shaft or axle sleeve are more stable, more stable when making the simpler convenience of installation, and using.Explanation is needed exist for,
That above-mentioned size does not indicate unit is all mm.
Preferably, raised line 101 is molded directly within circle body 100 by integrally formed mode, can be direct by mould
Shaping, the two-way of raised line 101 and the one of circle body 100 can also be obtained by the form of the machining raised line 101 on circle body 100
Sealing ring.
Preferably, two-way sealing ring is made up of elastomeric material.Conventional material is polyurethane material, such as conventional poly- ammonia
Ester, high temperature resistant hydrolization of polyurethane, Low temperature-resistanpolyurethane polyurethane, self-lubricating polyurethane and food service industry polyurethane, different materials are corresponding
Different colours are applicable different use environments, and operator can distinguish the two-way sealing ring of unlike material according to color, and be directed to
Use environment chooses the two-way sealing ring of suitable material, -35 DEG C to 110 DEG C of temperature in use, can typically bear 40MPa work pressure
Power.
Above-described is only some embodiments of the present utility model.For the person of ordinary skill of the art,
On the premise of not departing from the utility model and creating design, various modifications and improvements can be made, these belong to this practicality
New protection domain.
Claims (10)
1. two-way sealing ring, it is characterised in that the circle body (100) including annular, the external diameter surface of the circle body (100) and interior
At least one raised line (101) is provided with the surface of footpath, and the raised line (101) on the external diameter surface and inside diameter surface is one by one
It is correspondingly arranged.
2. two-way sealing ring according to claim 1, it is characterised in that when the raised line (101) is a plurality of, the raised line
(101) axial order of the inside diameter surface along the circle body (100) and external diameter surface is arranged, and between adjacent raised line (101)
Form groove (102).
3. two-way sealing ring according to claim 2, it is characterised in that the inside diameter surface and external diameter of the circle body (100)
The raised line (101) on surface is two, and two raised lines (101) are highly equal and are parallel to each other.
4. two-way sealing ring according to claim 2, it is characterised in that the external diameter surface and internal diameter of the circle body (100)
The raised line (101) positioned at topmost set on surface is in the lower section on upper bottom surface (111) all edges of the circle body (100), position
The top on bottom surface (112) all edges of the circle body (100) is in the raised line (101) of foot.
5. two-way sealing ring according to claim 2, it is characterised in that the radial direction thinnest part thickness of the circle body (100)
More than the height of the raised line (101).
6. two-way sealing ring according to claim 2, it is characterised in that the height of the longitudinal cross-section of the circle body (100)
More than the width of the longitudinal cross-section of the circle body (100).
7. two-way sealing ring according to claim 2, it is characterised in that the longitudinal section shape of the raised line (101) is
Zigzag, and the zigzag tooth form angle is obtuse angle.
8. two-way sealing ring according to claim 2, it is characterised in that the longitudinal section shape of the raised line (101) is
It is trapezoidal, and the angle for forming two trapezoidal waists is obtuse angle.
9. two-way sealing ring according to claim 2, it is characterised in that the longitudinal section shape of the raised line (101) is
Arc.
10. according to the two-way sealing ring described in claim 1-9 any one, it is characterised in that the two-way sealing ring is one
It is body formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720947673.7U CN206972911U (en) | 2017-07-31 | 2017-07-31 | Two-way sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720947673.7U CN206972911U (en) | 2017-07-31 | 2017-07-31 | Two-way sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206972911U true CN206972911U (en) | 2018-02-06 |
Family
ID=61393690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720947673.7U Active CN206972911U (en) | 2017-07-31 | 2017-07-31 | Two-way sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206972911U (en) |
-
2017
- 2017-07-31 CN CN201720947673.7U patent/CN206972911U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |