CN211315082U - Sealing ring and fuel cell - Google Patents
Sealing ring and fuel cell Download PDFInfo
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- CN211315082U CN211315082U CN201921331334.1U CN201921331334U CN211315082U CN 211315082 U CN211315082 U CN 211315082U CN 201921331334 U CN201921331334 U CN 201921331334U CN 211315082 U CN211315082 U CN 211315082U
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- seal ring
- annular groove
- rubber
- ring
- rubber seal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The utility model discloses a sealing washer and fuel cell relates to the fuel cell field, and this sealing washer includes resin skeleton and rubber seal ring, and resin skeleton and rubber seal ring are confined loop configuration, and resin skeleton is platelike, and a side of resin skeleton has the annular groove that extends along resin skeleton, and the rubber seal ring is fixed on the bottom surface of annular groove, and on the direction of depth of annular groove, the part of rubber seal ring is located outside the annular groove. The resin framework has higher hardness than the rubber sealing ring, and can provide support for the rubber sealing ring. Under the support of the resin framework, the sealing ring can be conveniently pasted in the sealing groove, the problem that the sealing ring is too soft to facilitate installation is avoided, the resin framework can be in contact with two side walls of the sealing groove to be positioned, and the improvement of installation accuracy is facilitated. Since the portion of the rubber seal ring in the depth direction of the annular groove is located outside the annular groove, the rubber seal ring can provide sealing.
Description
Technical Field
The utility model relates to a fuel cell field, in particular to sealing washer and fuel cell.
Background
Seal rings are common seals and have found use in a wide variety of devices.
Taking a fuel cell as an example, the fuel cell is a chemical device that directly converts chemical energy of fuel into electrical energy. A sealing ring is also provided in the fuel cell to avoid mixing of hydrogen and oxygen.
The sealing ring is usually arranged in the sealing groove, and in the fuel cell, when the sealing ring is installed, the sealing ring needs to be pasted in the sealing groove, but the sealing ring is made of rubber, so that the sealing ring is not convenient to install due to soft texture, and the installation precision is difficult to guarantee.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a sealing washer and fuel cell, the installation of the sealing washer of can being convenient for. The technical scheme is as follows:
in one aspect, the embodiment of the utility model provides a sealing ring, including resin skeleton and rubber seal ring, the resin skeleton with rubber seal ring is confined annular structure, the resin skeleton is platelike, a side of resin skeleton has the edge the annular groove that the resin skeleton extends, rubber seal ring fixes on the bottom surface of annular groove on the direction of depth of annular groove, rubber seal ring's part is located outside the annular groove.
Optionally, there is a gap between the rubber sealing ring and the side wall of the annular groove.
Optionally, the cross section of the rubber sealing ring is in an arch shape, and the bottom edge of the arch shape is connected with the resin framework.
Optionally, the bottom of the annular groove has a raised structure embedded in the rubber sealing ring.
Optionally, the protrusion structure comprises a plurality of protrusions spaced along the annular groove or a rib extending along the annular groove.
Optionally, the protrusion is in an inverted cone shape, and the cross section of the convex rib is in an inverted trapezoid shape.
Optionally, the recessed feature comprises a plurality of holes spaced along the annular groove or a groove extending along the annular groove.
Optionally, the sealing ring is an integral injection moulding.
Optionally, the closed ring structure comprises a circular ring structure, an elliptical ring structure, or a polygonal ring structure.
On the other hand, the embodiment of the utility model provides a fuel cell is still provided, fuel cell includes aforementioned any kind of sealing washer.
The embodiment of the utility model provides a beneficial effect that technical scheme brought includes at least: through setting up resin skeleton and rubber seal ring, the resin skeleton is platelike, because one side of resin skeleton has the annular groove, the rubber seal ring is fixed on the bottom surface of annular groove, consequently makes resin skeleton and rubber seal ring connect as an organic wholely. The resin framework has higher hardness than the rubber sealing ring, and can provide support for the rubber sealing ring. When the sealing ring is installed in the sealing groove, the sealing ring can be conveniently pasted in the sealing groove under the support of the resin framework, the problem that the sealing ring is too soft to cause inconvenient installation is avoided, and the resin framework can be in contact with two side walls of the sealing groove to be positioned, so that the installation precision is favorably improved. Since the portion of the rubber seal ring in the depth direction of the annular groove is located outside the annular groove, the rubber seal ring can provide sealing.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a sealing ring according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the seal ring shown in FIG. 1;
fig. 3 is a schematic structural diagram of a resin skeleton according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of another resin skeleton provided in an embodiment of the present invention;
FIG. 5 is a sectional view of the resin skeleton shown in FIG. 4;
fig. 6 is a schematic partial structure diagram of another resin skeleton provided in an embodiment of the present invention;
fig. 7 is a schematic partial structure diagram of another resin skeleton according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a sealing ring according to an embodiment of the present invention. As shown in fig. 1, the seal ring includes a resin frame 10 and a rubber seal ring 20. The resin frame 10 and the rubber seal ring 20 are closed annular structures.
The resin frame 10 is plate-shaped, and one side surface of the resin frame 10 has an annular groove 10a extending along the resin frame 10. A rubber seal ring 20 is fixed on the bottom surface of the annular groove 10 a. Fig. 2 is a cross-sectional view of the seal ring shown in fig. 1. As shown in fig. 2, in the depth direction of the annular groove 10a, a portion of the rubber seal ring 20 is located outside the annular groove 10 a.
Through setting up resin skeleton and rubber seal ring, the resin skeleton is platelike, because one side of resin skeleton has the annular groove, the rubber seal ring is fixed on the bottom surface of annular groove, consequently makes resin skeleton and rubber seal ring connect as an organic wholely. The resin framework has higher hardness than the rubber sealing ring, and can provide support for the rubber sealing ring. When the sealing ring is installed in the sealing groove, the sealing ring can be conveniently pasted in the sealing groove under the support of the resin framework, the problem that the sealing ring is too soft to cause inconvenient installation is avoided, and the resin framework can be in contact with two side walls of the sealing groove to be positioned, so that the installation precision is favorably improved. Since the portion of the rubber seal ring in the depth direction of the annular groove is located outside the annular groove, the rubber seal ring can provide sealing.
For example, the Resin skeleton 10 may be made of any one of PE (Polyethylene), PC (Polycarbonate), PA (Polyamide Resin), and PP (polypropylene). The rubber sealing ring 20 can be made of any one of silicon rubber, ethylene propylene diene monomer, fluororubber, butyl rubber, acrylic rubber and natural rubber. The above list is not exhaustive, and the resin frame 10 may be made of other hard resins, and the rubber seal ring 20 may be made of other elastomer materials.
Alternatively, the closed loop structure may comprise a circular loop structure, an elliptical loop structure, a polygonal loop structure. Specifically, the sealing groove may be formed in a circular shape, for example, the resin skeleton 10 and the rubber sealing ring 20 may be both circular structures as shown in fig. 1. The sealing groove is polygonal, and the resin frame 10 and the rubber sealing ring 20 are both polygonal ring structures. In the embodiment of the present invention, the ring shape refers to a geometric figure surrounding a circle, and not to a single ring, the shape of the sealing ring shown in fig. 1 is only an example.
Alternatively, the sealing ring may be an integral injection moulded part. The resin framework 10 and the rubber sealing ring 20 are molded together by an integral injection molding technology, so that the resin framework 10 and the rubber sealing ring 20 are connected more closely, the manufacture is simple, and compared with the manufacture of the resin framework 10 and the rubber sealing ring 20 respectively, the resin framework 10 and the rubber sealing ring 20 do not need to be additionally connected by adopting integral injection molding. The integral injection molding technology can be double-color molding (double-color molding, also called double-shot molding, refers to molding by a double-color mold, the double-color mold is a mold for injecting two materials on the same injection molding machine, molding twice and demolding a product once, wherein the two materials can be two materials with different colors, and can also be two materials with different hardness).
In another implementation manner of the embodiment of the present invention, the resin frame 10 and the rubber sealing ring 20 can be bonded together by respectively manufacturing the resin frame 10 and the rubber sealing ring 20 and then bonding them together. Even if the bonding method is adopted, the difficulty of bonding the rubber seal ring 20 to the resin frame 10 is lower than that of directly bonding the rubber seal ring 20 into the seal groove.
As shown in fig. 2, the rubber seal ring 20 may have a gap a with the side wall of the annular groove 10 a. In the sealing process, the rubber sealing ring 20 is extruded to deform, and a gap a is left between the rubber sealing ring 20 and the side wall of the annular groove 10a, so that the rubber sealing ring 20 has enough space to deform. And can judge whether sealed qualified according to whether the lateral wall contact with annular groove 10a after rubber seal ring 20 deformation, if do not contact, can think that rubber seal ring 20's deformation is not enough, and the extrusion force on the sealed face is the undersize, if contacted, then can think that the extrusion force on the sealed face has reached sealed requirement.
Illustratively, the width of the gap A may be 0.3mm to 0.5 mm. I.e., 0.3 mm. ltoreq.D as shown in FIG. 21≤0.5mm，0.3mm≤D2≤0.5mm，D1And D2May or may not be equal. The width of the gap A is too small, which affects the normal deformation of the rubber sealing ring 20, and the width of the gap A is too large, so that it is inconvenient to judge whether the extrusion force on the sealing surface meets the requirement.
Alternatively, the depth H of the annular groove 10a may be 0.3mm to 0.5 mm. The depth H of the annular groove 10a is too large, the rubber seal ring 20 needs to have a larger size to expose the annular groove 10a, the manufacturing cost is increased, the depth H of the annular groove 10a is too small, and the rubber seal ring 20 is difficult to contact with the side wall of the annular groove 10a when deformed.
As shown in fig. 2, the rubber seal ring 20 may have an arcuate shape in cross section, the bottom side of which is connected to the resin bobbin 10. The arch shape here may include a minor arc arch, a major arc arch and a semicircular arch, the minor arc arch being an arch shape whose arc is smaller than the semicircular arc, the major arc arch being an arch shape whose arc is larger than the semicircular arc, and the semicircular arch being an arch shape whose arc is equal to the semicircular arc. The rubber seal ring 20 shown in fig. 2 has a cross section of a major arc. The rubber seal ring 20 of arcuate section is more easily attached to the resin frame 10.
Alternatively, the bottom of the annular groove 10a may have a convex structure. The raised structures may be embedded within the rubber sealing ring 20. Since the bottom of the annular groove 10a has a convex structure, the contact area between the resin skeleton 10 and the rubber seal ring 20 can be increased, and the separation between the two is avoided.
Fig. 3 is a schematic structural diagram of a resin skeleton according to an embodiment of the present invention. As shown in fig. 3, the protrusion structure may include a plurality of protrusions 11 spaced along the annular groove 10 a. The contact area of the resin skeleton 10 and the rubber seal ring 20 can be increased by the protrusions 11 distributed at intervals.
As shown in fig. 3, the protrusion 11 may have an inverted cone shape. The provision of the projection 11 in the reverse taper shape can further prevent the rubber seal ring 20 from being separated from the resin bobbin 10.
Fig. 4 is a schematic structural diagram of another resin skeleton according to an embodiment of the present invention. As shown in fig. 4, the projection structure may also include a rib 12 extending along the annular groove 10 a. The contact area of the resin frame 10 and the rubber seal ring 20 can be increased by the rib 12.
Fig. 5 is a sectional view of the resin skeleton shown in fig. 4. As shown in fig. 5, the rib 12 may have an inverted trapezoidal cross-section. The rib 12 is formed in the shape of an inverted trapezoid in cross section, and the rubber seal ring 20 is further prevented from being separated from the resin frame 10.
In one implementation of the embodiment of the present invention, the bottom of the annular groove 10a may have a recessed structure, and a portion of the rubber sealing ring 20 extends into the recessed structure. The bottom of the annular groove 10a is provided with a concave structure, so that the contact area of the resin framework 10 and the rubber sealing ring 20 can be increased, and the separation of the resin framework and the rubber sealing ring can be avoided.
Fig. 6 is a schematic partial structure diagram of another resin skeleton according to an embodiment of the present invention. As shown in fig. 6, the recessed structure may include a plurality of holes 13 spaced along the annular groove 10 a. The plurality of holes 13 may be distributed in the area of the resin frame 10 that contacts the rubber seal ring 20, with a portion of the rubber seal ring 20 extending into the plurality of holes 13. Because the bottom of the annular groove 10a is provided with the plurality of holes 13, when the sealing ring is manufactured, part of the material of the rubber sealing ring 20 can extend into the holes 13 so as to increase the contact area between the rubber sealing ring 20 and the resin framework 10, so that the combination of the rubber sealing ring 20 and the resin framework 10 is tighter, and the separation between the rubber sealing ring 20 and the resin framework is avoided. Illustratively, the plurality of holes 13 may be spaced along the annular groove 10 a.
As shown in fig. 6, the cross section of the resin frame 10, the hole 13 may be a tapered hole, and the end of the hole 13 with a smaller diameter is connected to the bottom of the annular groove 10a, so that the rubber seal ring 20 can be further prevented from being separated from the resin frame 10. As shown in fig. 6, the hole 13 may be a blind hole. In other embodiments of the present invention, the hole 13 may also be a through hole.
Fig. 7 is a schematic partial structure diagram of another resin skeleton according to an embodiment of the present invention. As shown in fig. 7, the recessed structure may also include a groove 14 extending along the annular groove 10 a. The groove 14 also increases the contact area between the resin frame 10 and the rubber seal ring 20, thereby preventing the resin frame and the rubber seal ring from separating.
As shown in fig. 7, the cross section of the groove 14 may be trapezoidal, and the rubber seal ring 20 may be further prevented from being separated from the resin frame 10.
The embodiment of the utility model provides a fuel cell is still provided, this fuel cell includes as aforementioned any kind of sealing washer.
Through setting up resin skeleton and rubber seal ring, the resin skeleton is platelike, because one side of resin skeleton has the annular groove, the rubber seal ring is fixed on the bottom surface of annular groove, consequently makes resin skeleton and rubber seal ring connect as an organic wholely. The resin framework has higher hardness than the rubber sealing ring, and can provide support for the rubber sealing ring. When the sealing ring is installed in the sealing groove, the sealing ring can be conveniently pasted in the sealing groove under the support of the resin framework, the problem that the sealing ring is too soft to cause inconvenient installation is avoided, and the resin framework can be in contact with two side walls of the sealing groove to be positioned, so that the installation precision is favorably improved. Since the portion of the rubber seal ring in the depth direction of the annular groove is located outside the annular groove, the rubber seal ring can provide sealing.
The above description is only for the preferred embodiment of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. The utility model provides a sealing ring, its characterized in that includes resin skeleton (10) and rubber seal ring (20), resin skeleton (10) with rubber seal ring (20) are confined loop configuration, resin skeleton (10) are platelike, a side of resin skeleton (10) has the edge annular groove (10a) that resin skeleton (10) extend, rubber seal ring (20) are fixed on the bottom surface of annular groove (10a) on the direction of depth of annular groove (10a), the part of rubber seal ring (20) is located outside annular groove (10 a).
2. A seal ring according to claim 1, characterized in that there is a gap (a) between the rubber sealing ring (20) and the side wall of the annular groove (10 a).
3. A seal ring according to claim 1, wherein the rubber seal ring (20) has an arcuate shape in cross section, the base of the arcuate shape being connected to the resin skeleton (10).
4. A seal ring according to claim 1, characterized in that the bottom of the annular groove (10a) has a raised structure or a recessed structure, the raised structure being embedded in the rubber sealing ring (20), a portion of the rubber sealing ring (20) extending into the recessed structure.
5. A seal ring according to claim 4, characterized in that the projection arrangement comprises a plurality of projections (11) spaced along the annular groove (10a) or a rib (12) extending along the annular groove (10 a).
6. A seal ring according to claim 5, characterized in that the protrusion (11) has an inverted cone shape and the cross-section of the rib (12) has an inverted trapezoid shape.
7. A seal ring according to claim 4, characterized in that the indentation comprises a plurality of holes (13) spaced along the annular groove (10a) or grooves (14) extending along the annular groove (10 a).
8. A seal ring according to any one of claims 1 to 7, wherein the seal ring is an integral injection moulded part.
9. A seal ring according to any of claims 1 to 7, wherein the closed ring structure comprises a circular ring structure, an elliptical ring structure, a polygonal ring structure.
10. A fuel cell comprising the gasket according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921331334.1U CN211315082U (en) | 2019-08-16 | 2019-08-16 | Sealing ring and fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921331334.1U CN211315082U (en) | 2019-08-16 | 2019-08-16 | Sealing ring and fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211315082U true CN211315082U (en) | 2020-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921331334.1U Active CN211315082U (en) | 2019-08-16 | 2019-08-16 | Sealing ring and fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211315082U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114695913A (en) * | 2020-12-30 | 2022-07-01 | 上海德迩新能源技术有限公司 | Sealing ring assembly, assembling method of sealing ring and jig |
-
2019
- 2019-08-16 CN CN201921331334.1U patent/CN211315082U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114695913A (en) * | 2020-12-30 | 2022-07-01 | 上海德迩新能源技术有限公司 | Sealing ring assembly, assembling method of sealing ring and jig |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230619 Address after: 430000 Building 1, No. 99, Weilai Third Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee after: Grove Hydrogen Energy Technology Group Co.,Ltd. Address before: Room 409-6, 4th floor, building a, overseas talents building, future science and Technology City, 999 Gaoxin Avenue, Wuhan Free Trade Zone, 430205, Hubei Province Patentee before: Wuhan central Hydrogen Energy Industry Innovation Center Co.,Ltd. |
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| TR01 | Transfer of patent right |