Novel rubber sealing ring

Abstract

The utility model discloses a novel rubber sealing ring, which comprises a first sealing ring and a second sealing ring, one side of the first sealing ring is provided with a sealing groove, one side of the second sealing ring is provided with a sealing convex ring, and the sealing groove is matched with the sealing convex ring for use. According to the novel rubber sealing ring, when the second sealing ring makes contact with the first sealing ring, the sealing convex ring can be rapidly embedded into the sealing groove, and the sealing convex ring makes contact with the sealing groove more tightly along with the depth of the sealing convex ring; the contact area of the second sealing ring and the first sealing ring can be increased after the sealing convex ring is in contact with the sealing groove, then the sealing performance of the two sealing rings after contact is improved, the overall wear resistance of the sealing ring is improved through the arrangement of the wear-resistant layer, and the overall high-temperature resistance of the sealing ring is improved through the arrangement of the high-temperature-resistant layer.

Description

TECHNICAL FIELD

[0001] The utility model relates to rubber seal ring technical field, concretely is a novel rubber seal ring. BACKGROUND

[0002] The rubber seal ring is annular cover that one or several parts are composed, is fixed on one ring or washer of bearing and contacts or forms narrow labyrinth gap with another ring or washer, prevents lubricating oil from leaking and outside object from intruding, sometimes needs two seal rings to contact to seal for guaranteeing the sealing property when the existing rubber seal ring is used, but directly contacts, because the contact surface is limited, further influences its contact sealing property, and the wear resistance of the existing seal ring needs to be improved, therefore, the utility model provides a novel rubber seal ring to solve the above-mentioned problem. SUMMARY

[0003] In view of the deficiency of prior art, the utility model provides a novel rubber seal ring, solves the problem mentioned in the above background art.

[0004] In order to realize above-mentioned purpose, the utility model discloses a novel rubber seal ring through following technical scheme: a novel rubber seal ring, including first seal ring and second seal ring, one side of first seal ring is provided with sealing groove, one side of second seal ring is provided with sealing convex ring, sealing groove and sealing convex ring are used in coordination, first seal ring includes base material layer, the surface of base material layer is provided with high temperature resistant layer, the surface of high temperature resistant layer is provided with wear resistant layer.

[0005] Preferably, the sealing convex ring is integrally formed with the second sealing ring, the sealing convex ring is designed to gradually change, and the side of the sealing convex ring away from the second sealing ring gradually narrows.

[0006] Preferably, the sealing groove is also designed to gradually change, and the sealing groove gradually narrows from outside to inside.

[0007] Preferably, the high temperature resistant layer includes a talcum powder layer and a calcium oxide layer, and the talcum powder layer is coated on the surface of the calcium oxide layer.

[0008] Preferably, the wear resistant layer includes a melamine resin layer and a vinyl triisopropoxy silane layer, and the melamine resin layer is coated on the surface of the vinyl triisopropoxy silane layer.

[0009] Preferably, when the first sealing ring and the second sealing ring are in contact, the sealing convex ring is embedded into the sealing groove to realize contact sealing. Advantages

[0010] The utility model provides a novel rubber seal ring, which has the following advantages compared with the prior art:

[0011] The new rubber sealing ring, when the second sealing ring is in contact with the first sealing ring, the sealing convex ring can be quickly embedded into the sealing groove, and as the depth of the sealing convex ring, the sealing convex ring and the sealing groove will be more closely contacted, at the same time, the contact area of the second sealing ring and the first sealing ring when the sealing convex ring is contacted with the sealing groove is increased, thereby improving the sealing performance of the two sealing rings after being contacted, the wear-resistant layer is arranged, the wear-resistant performance of the whole sealing ring is improved, and the high-temperature-resistant layer is arranged, and the high-temperature-resistant performance of the whole sealing ring is also improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a whole structure schematic view of the utility model;

[0013] Figure 2 It is a first sealing ring structure main sectional view of the utility model;

[0014] Figure 3 It is a second sealing ring structure schematic view of the utility model;

[0015] Figure 4 It is a first sealing ring layer structure schematic view of the utility model;

[0016] Figure 5 It is a high-temperature-resistant layer structure schematic view of the utility model;

[0017] Figure 6 It is a wear-resistant layer structure schematic view of the utility model.

[0018] In the drawing: 1-first sealing ring, 11-base material layer, 12-high-temperature-resistant layer, 121-talcum powder layer, 122-calcium oxide layer, 13-wear-resistant layer, 131-melamine resin layer, 132-ethenyl triisopropoxy silane layer, 2-second sealing ring, 3-sealing groove, 4-sealing convex ring. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Please refer to Figures 1-6The utility model provides a technical scheme: a novel rubber seal ring, including first seal ring 1 and second seal ring 2, one side of first seal ring 1 is provided with seal groove 3, one side of second seal ring 2 is provided with seal convex ring 4, seal groove 3 is used in cooperation with seal convex ring 4, first seal ring 1 includes base material layer 11, the surface of base material layer 11 is provided with high temperature resistance layer 12, the surface of high temperature resistance layer 12 is provided with wear layer 13, and the material of first seal ring 1 and second seal ring 2 is completely same.

[0021] In the embodiment, the seal convex ring 4 adopts a gradual change design, the side of the seal convex ring 4 away from the second seal ring 2 gradually narrows, and the seal groove 3 also adopts a gradual change design and gradually narrows from outside to inside. With the above design, when the second seal ring 2 contacts the first seal ring 1, the seal convex ring 4 can quickly embed into the inside of the seal groove 3, and as the depth of the seal convex ring 4, the contact between the seal convex ring 4 and the seal groove 3 will be more closely. At the same time, after the seal convex ring 4 contacts the seal groove 3, the contact area when the second seal ring 2 contacts the first seal ring 1 is increased, thereby improving the sealing performance after the two seal rings contact. The seal convex ring 4 also adopts a rubber material, and the seal convex ring 4 is integrally formed with the second seal ring 2.

[0022] In the embodiment, the high temperature resistance layer 12 includes a talcum powder layer 121 and a calcium oxide layer 122, and the talcum powder layer 121 is coated on the surface of the calcium oxide layer 122. The talcum powder has excellent physical and chemical properties such as lubricity, anti-stickiness, flow aid, fire resistance, acid resistance, insulation, high melting point, chemical inertness, good hiding power, softness, good gloss, and strong adsorption. It can be used as a high temperature resistant coating. The calcium oxide is white or gray block or particle, and can be dissolved in acid, glycerol and sucrose solution, and can be used as a high temperature resistant coating.

[0023] In the embodiment, the wear layer 13 includes a melamine resin layer 131 and an ethenyl triisopropoxy silane layer 132, and the melamine resin layer 131 is coated on the surface of the ethenyl triisopropoxy silane layer 132. The melamine resin is a resin obtained by copolymerization of a third component in a melamine and formaldehyde polymerization system, and has strong wear resistance. The ethenyl triisopropoxy silane is a chemical raw material, and has good wear resistance, and can be used as a wear-resistant coating.

[0024] In actual use, the calcium oxide layer 122 is first coated on the surface of each seal ring, then the talcum powder layer 121 is coated, and after drying, the ethenyl triisopropoxy silane layer 132 is coated, and finally the melamine resin layer 131 is coated. The above coatings are liquid coatings, and after the coating is dried, the next coating is completed in turn. The coating method is the prior art, and will not be described in detail here.

[0025] In the embodiment, when the first sealing ring 1 and the second sealing ring 2 are in contact with each other, the sealing convex ring 4 is embedded into the sealing groove 3, and the contact sealing is realized.

[0026] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by the person skilled in the art.

[0027] It should be noted that, in this document, the relative terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "comprises", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or device that includes a list of elements not only includes those elements, but also includes other elements not explicitly listed, or inherent to such a process, method, article, or device.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A novel rubber seal ring characterized by: Including first sealing ring (1) and second sealing ring (2), one side of first sealing ring (1) is provided with sealing groove (3), one side of second sealing ring (2) is provided with sealing convex ring (4), sealing groove (3) is used in cooperation with sealing convex ring (4), first sealing ring (1) includes substrate layer (11), the surface of substrate layer (11) is provided with high temperature resistant layer (12), the surface of high temperature resistant layer (12) is provided with wear-resistant layer (13).

2. A novel rubber sealing ring as claimed in claim 1, wherein: The sealing convex ring (4) is integrally formed with the second sealing ring (2), the sealing convex ring (4) adopts a gradual change design, and the side of the sealing convex ring (4) away from the second sealing ring (2) gradually narrows.

3. A novel rubber sealing ring as claimed in claim 1, wherein: The sealing groove (3) also adopts a gradual change design, and the sealing groove (3) gradually narrows from the outside to the inside.

4. A novel rubber sealing ring as claimed in claim 1, wherein: The high temperature resistant layer (12) includes a talcum powder layer (121) and a calcium oxide layer (122), and the talcum powder layer (121) is coated on the surface of the calcium oxide layer (122).

5. A novel rubber sealing ring as claimed in claim 1, wherein: The wear-resistant layer (13) includes a melamine resin layer (131) and a vinyl triisopropoxy silane layer (132), and the melamine resin layer (131) is coated on the surface of the vinyl triisopropoxy silane layer (132).

6. A novel rubber sealing ring as claimed in claim 1, wherein: When the first sealing ring (1) is in contact with the side of the second sealing ring (2), the sealing convex ring (4) is embedded into the sealing groove (3), and contact sealing is achieved.

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