CN217583147U - Oil-resistant acid-base resistant rubber sealing ring - Google Patents
Oil-resistant acid-base resistant rubber sealing ring Download PDFInfo
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- CN217583147U CN217583147U CN202221376220.0U CN202221376220U CN217583147U CN 217583147 U CN217583147 U CN 217583147U CN 202221376220 U CN202221376220 U CN 202221376220U CN 217583147 U CN217583147 U CN 217583147U
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Abstract
The utility model discloses an acid-base resistant rubber seal of resistant oil type, including setting up the resistant oil ring of inboard and pressure-bearing and laminating the corrosion resistant circle of setting in resistant oil ring low pressure side, the binding face of resistant oil ring and corrosion resistant circle is the step, and the both ends that resistant oil ring and corrosion resistant circle correspond the step form sealed lip respectively. The oil-resistant acid-resistant and alkali-resistant rubber sealing ring has the advantages that the oil-resistant ring is arranged at the pressure-bearing end, the corrosion-resistant ring capable of coating the oil-resistant ring is arranged at the low-pressure end, and the sealing lips can be respectively formed, so that the internal high-pressure oil can be effectively prevented from seeping out, and meanwhile, the external corrosive gas-liquid seepage is avoided; the oil-resistant ring is attached to the corrosion-resistant ring and is provided with the jacking part which can deform towards the corrosion-resistant ring after bearing pressure so as to extrude the protruding lip mouth, so that the protruding lip mouth also deforms and further protrudes upwards, and the sealing property of the corrosion-resistant ring is further improved; set up the annular and can receive the extrusion force when, resistant oil ring is changeed towards annular deformation, and then increases the leakproofness of rubber, also makes local rubber material deformation protruding, forms sealedly.
Description
Technical Field
The utility model belongs to the technical field of the sealing washer, a resistant acid and alkali rubber seal circle of oil-resistant type is related to.
Background
The sealing ring is made of one material in the market, the working condition of the sealing ring is complex, for example, the sealing ring for oil seal in an acid-base-filled environment needs to consider the internal tolerance to an oily medium and the corrosion of external corrosive substances to the sealing ring.
Disclosure of Invention
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, an object of the utility model is to provide an acidproof rubber seal of oil resistant type, the inside and outside material of sealing washer is different to adapt to more complicated operating mode, have good sealing performance simultaneously.
The technical scheme of the utility model as follows:
the utility model provides an oil-resistant type acid-resistant alkali-resistant rubber seal, is including setting up the oil-resistant circle and the laminating of inboard and pressure-bearing sets up the corrosion resistant circle in oil-resistant circle low pressure side, and the binding face of oil-resistant circle and corrosion resistant circle is the step, and the oil-resistant circle forms sealed lip respectively with the both ends of corrosion resistant circle corresponding the step.
Further, the step is L-shaped.
Further, the step on the end side is inclined toward the pressure-receiving side.
Further, the oil-resistant ring is a fluorosilicone rubber ring.
Furthermore, the corrosion resistant ring is a fluorine rubber ring.
Furthermore, a protruding lip is formed on the corrosion resistant ring corresponding to the joint side of the oil resistant ring.
Furthermore, a jacking part is formed on the oil-resistant ring corresponding to the convex lip on the joint side of the corrosion-resistant ring.
Furthermore, a sealing ring and a shedding prevention ring combination which are supported in a staggered matching manner are arranged on the binding surface of the oil-resistant ring and the corrosion-resistant ring.
Furthermore, the sealing ring on the oil-proof ring is pressed and then jacked up towards the sealing ring of the corrosion-resistant ring.
Furthermore, a ring groove is formed in the end face of the joint side of the oil resistant ring and the corrosion resistant ring.
Furthermore, an elastic reinforcing part is arranged in the annular groove, and the elastic reinforcing part can be shielded and limited by the corrosion resistant ring.
Furthermore, a plurality of temporary storage grooves are formed on the top surface of the corrosion resistant ring.
The utility model provides a beneficial effect: the oil-resistant ring is arranged at the pressure-bearing end, the corrosion-resistant ring capable of coating the oil-resistant ring is arranged at the low-pressure end, and sealing lips can be respectively formed, so that internal high-pressure oil can be effectively prevented from seeping, and meanwhile, external corrosive gas and liquid are prevented from seeping; the oil-resistant ring is attached to the corrosion-resistant ring and is provided with the jacking part which can deform towards the corrosion-resistant ring after bearing pressure so as to extrude the protruding lip mouth, so that the protruding lip mouth also deforms and further protrudes upwards, and the sealing property of the corrosion-resistant ring is further improved; set up the annular and can be when receiving the extrusion force, resistant oil ring changes towards the annular deformation, and then increases the leakproofness of rubber, also makes local rubber material deformation protruding, forms sealedly.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic cross-sectional view of a rubber seal ring according to the present invention when an oil-resistant ring and a corrosion-resistant ring are separated;
FIG. 2 is a schematic illustration of the oil and corrosion resistant rings of FIG. 1 in mating relationship;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
fig. 4 is a schematic structural view of a modified embodiment of the corrosion-resistant ring.
In the figure:
1-oil-resistant ring; 11-a jack-up portion; 12-ring grooves; 2-corrosion resistant ring; 21-raised lip; 22-temporary storage tank; 3-step; 4-a sealing ring; 5-anticreep ring; 6-elastic reinforcement.
In the figure, the right and lower sides are pressure-receiving sides.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
Referring to fig. 1-3, an oil-resistant acid-resistant and alkali-resistant rubber sealing ring comprises an oil-resistant ring 1 and a corrosion-resistant ring 2, wherein the oil-resistant ring 1 is arranged on the inner side to bear pressure, the corrosion-resistant ring 2 is attached to the low-pressure side of the oil-resistant ring 1, the attachment surface of the oil-resistant ring 1 and the corrosion-resistant ring 2 is a step 3, the step is L-shaped to better cover the low-pressure side of the oil-resistant ring 1, of course, other shapes capable of being coated are also available, and two ends of the oil-resistant ring 1 and the corrosion-resistant ring 2, which correspond to the step 3, form sealing lips respectively; in this example, the step 3 on the end side is inclined toward the pressure-receiving side (only the upper fitting portion is shown as being inclined); the oil-resistant ring 1 is an oil-resistant fluorosilicone rubber ring, so that the oil-resistant fluorosilicone rubber ring has better oil resistance and better stability in oil; the corrosion resistant ring 2 is made of fluororubber ring and has good acid and alkali corrosion resistance.
Further, in order to prevent corrosive liquid from permeating, a protruding lip 21 is formed on the corrosion resistant ring 2 corresponding to the joint side of the oil resistant ring 1; in order to increase the sealing performance, a jacking portion 11 is formed on the oil resistant ring 1 corresponding to the protruding lip 21 on the attaching side of the corrosion resistant ring 2, the jacking portion 11 is arranged in a protruding mode and deforms towards the corrosion resistant ring 2 after bearing pressure, so that the protruding lip 21 is extruded and further protrudes in a shape changing mode, and the sealing performance of the corrosion resistant ring 2 is further increased.
In addition, as shown in fig. 2 and fig. 3, a combination of the sealing ring 4 and the anti-drop ring 5 is arranged on the joint surface of the oil-resistant ring 1 and the corrosion-resistant ring 2, in this example, the sealing ring 4 on the oil-resistant ring 1 is arranged on the lower side and the upper side, and the anti-drop ring 5 is arranged on the upper side and the lower side, so that the oil-resistant ring 1 and the corrosion-resistant ring 2 are not easy to slip and separate after being spliced, meanwhile, the sealing ring 4 of the oil-resistant ring 1 can jack up the sealing ring on the corrosion-resistant ring 2 after being pressed (the sealing ring 4 of the oil-resistant ring 1 is arranged below the sealing ring of the corrosion-resistant ring 2), and the sealing performance of the corrosion-resistant ring 2 can also be improved.
As shown in fig. 1 and fig. 2, an annular groove 12 is formed in an end surface of a joint side of the oil-resistant ring 1 and the corrosion-resistant ring 2, and when the annular groove 12 is arranged, the oil-resistant ring 1 is more easily deformed toward the annular groove 12 when being subjected to extrusion force, so that the sealing performance of rubber is increased, and local rubber material deformation is also raised to form sealing; and an elastic reinforcing member 6, such as a spring for a seal ring embedded therein, is provided in the ring groove 12, and the elastic reinforcing member can be restricted by the corrosion resistant ring 2, so that the elastic recovery capability can be increased, and the service life of the seal ring can be prolonged.
Referring to fig. 4, a plurality of temporary storage grooves 22 are formed on the top surface of the corrosion resistant ring 2, so as to facilitate the corrosive liquid to be stored therein and reduce the possibility of overflow; on the other hand, the corrosion resistant ring 2 is easy to deform when subjected to radial extrusion force due to the existence of the notch; similarly, a temporary storage tank (not shown) having a cross-sectional shape of an inwardly concave arc shape is provided on the side of the corrosion-resistant ring 2 to store the liquid.
In the present application, the structures and the connection relations that are not described in detail are all the prior art, and the structures and the principles thereof are known in the prior art and are not described herein again.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (10)
1. An oil-resistant type acid and alkali resistant rubber sealing ring is characterized in that: the oil-resistant ring and the corrosion-resistant ring are arranged on the low-pressure side of the oil-resistant ring in an attached mode, the attached surface of the oil-resistant ring and the corrosion-resistant ring is a step, and two ends, corresponding to the step, of the oil-resistant ring and the corrosion-resistant ring form sealing lips respectively.
2. The oil-resistant acid and alkali-resistant rubber seal ring according to claim 1, wherein: the step on the end side is inclined toward the pressure-receiving side.
3. The oil-resistant acid and alkali-resistant rubber seal ring according to claim 1, wherein: the oil-resistant ring is a fluorine-silicon rubber ring, and the corrosion-resistant ring is a fluorine rubber ring.
4. The oil-resistant acid-base resistant rubber seal ring according to claim 1, characterized in that: and a convex lip is formed on the corrosion resistant ring corresponding to the joint side of the oil resistant ring.
5. The oil-resistant acid-base resistant rubber seal ring according to claim 4, wherein: and a jacking part is formed on the oil-resistant ring corresponding to the convex lip on the joint side of the corrosion-resistant ring.
6. The oil-resistant acid-base resistant rubber seal ring according to any one of claims 1 to 5, characterized in that: and a sealing ring and an anti-drop ring combination which are supported in a staggered matching manner are arranged on the binding surfaces of the oil-resistant ring and the corrosion-resistant ring.
7. The oil-resistant acid-base resistant rubber seal ring according to claim 6, wherein: and the sealing ring on the oil-resistant ring is pressed and then jacked up towards the sealing ring direction of the corrosion-resistant ring.
8. The oil-resistant acid/alkali-resistant rubber seal ring according to any one of claims 1 to 5 and 7, wherein: and a ring groove is formed in the end face of the joint side of the oil-resistant ring and the corrosion-resistant ring.
9. The oil-resistant acid-base resistant rubber seal ring according to claim 8, wherein: and an elastic reinforcing piece is arranged in the annular groove, and the elastic reinforcing piece can be shielded and limited by the corrosion resistant ring.
10. The oil-resistant acid/alkali-resistant rubber seal ring according to any one of claims 1 to 5, 7, and 9, wherein: a plurality of temporary storage grooves are formed on the top surface of the corrosion resistant ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221376220.0U CN217583147U (en) | 2022-06-01 | 2022-06-01 | Oil-resistant acid-base resistant rubber sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221376220.0U CN217583147U (en) | 2022-06-01 | 2022-06-01 | Oil-resistant acid-base resistant rubber sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217583147U true CN217583147U (en) | 2022-10-14 |
Family
ID=83528725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221376220.0U Active CN217583147U (en) | 2022-06-01 | 2022-06-01 | Oil-resistant acid-base resistant rubber sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217583147U (en) |
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2022
- 2022-06-01 CN CN202221376220.0U patent/CN217583147U/en active Active
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