Anti-corrosion oil seal ring

Abstract

The utility model is suitable for the technical field of oil seal rings, and provides an anti-corrosion oil seal ring which comprises a lower ring body and an upper ring body, the upper ring body is mounted on the lower ring body; the annular oil guide groove is formed in the lower ring body; the lubricating holes are formed in the inner wall of the lower ring body and are communicated with the annular oil guide groove; and the oil guide hole is formed in the upper ring body. The anti-corrosion oil seal ring provided by the scheme not only has higher corrosion resistance, but also has a lubricating function on the contact surface of the shaft body and the oil seal ring, and can avoid the situation that the service life of the oil seal ring and the main shaft is shortened due to overlarge friction force of the contact surface of the shaft body and the oil seal ring.

Description

Technical Field

[0001] The utility model belongs to the technical field of oil seal rings, in particular to an anti-corrosion oil seal ring. Background Art

[0002] An oil seal is a sealing device used to seal a rotating shaft or a stationary shaft. Its main function is to prevent lubricating oil, liquid or gas from leaking from the shaft seal, while blocking dust, dirt and other external contaminants from entering the mechanical system, which helps ensure the smooth operation of the mechanical system and extend its service life.

[0003] However, existing oil seals often do not have the function of lubricating the contact surface between the shaft and the oil seal. Therefore, as the pressure increases during operation, the friction between the oil seal and the shaft will gradually increase, thereby affecting the service life of the oil seal and the main shaft. Utility Model Content

[0004] The utility model provides an anti-corrosion oil seal ring, aiming to solve the problem in the above background technology that the existing oil seal ring often has no lubrication function on the contact surface between the shaft and the oil seal ring.

[0005] To solve the above problems, the present invention is implemented as follows: an anti-corrosion oil seal ring includes: a lower ring body; an upper ring body installed on the lower ring body; an annular oil guide groove opened on the lower ring body; a plurality of lubrication holes opened on the inner wall of the lower ring body and connected to the annular oil guide groove; and an oil guide hole opened on the upper ring body.

[0006] Preferably, a mounting opening is provided on the oil guide hole, a mounting head is threadedly mounted on the mounting opening, and an oil guide pipe is provided on the mounting head.

[0007] Preferably, an annular sealing groove is provided on one side of the upper ring body and the lower ring body that are close to each other, and the same annular sealing rubber ring is provided on the two annular sealing grooves.

[0008] Preferably, an annular upper groove is provided on the upper ring body, a plurality of mounting holes are provided on the inner wall of the annular upper groove, a plurality of screw holes are provided on the lower ring body, and bolts are provided on the plurality of mounting holes, and the plurality of bolts are respectively threadedly connected to the inner walls of the plurality of screw holes.

[0009] Preferably, a first corrosion-resistant protective ring is provided on the annular upper groove, and a plurality of avoidance openings are opened on the first corrosion-resistant protective ring.

[0010] Preferably, an annular lower groove is provided at the bottom of the lower ring body, and a second corrosion-resistant protective ring is provided on the annular lower groove.

[0011] Preferably, both the lower ring body and the upper ring body are provided with side annular grooves, and the same third corrosion-resistant protective ring is provided on the two side annular grooves.

[0012] Preferably, the first corrosion-resistant protective ring, the second corrosion-resistant protective ring and the third corrosion-resistant protective ring are all made of chloroprene rubber.

[0013] Compared with the related art, the anti-corrosion oil seal ring provided by the utility model has the following beneficial effects:

[0014] Compared with the prior art, the corrosion-resistant oil seal ring provided by this solution includes a lower ring body, an upper ring body, an annular oil guide groove, multiple lubrication holes and oil guide holes. The lower ring body is used as a basic component to firmly install and support the entire structure. The upper ring body is installed on the lower ring body. The two together constitute a complete sealing support structure. The annular oil guide groove is opened on the lower ring body for collecting and storing lubricating oil to ensure uniform distribution of lubricating oil. Multiple lubrication holes are opened on the inner wall of the lower ring body and are connected to the annular oil guide groove, so that the lubricating oil can flow from the oil guide groove into the lubrication hole, which is necessary for the contact between the oil seal ring and the main shaft. The surface is lubricated, and the oil guide hole is opened on the upper ring body and is connected to the lubrication system. It is used to introduce the lubricating oil into the annular oil guide groove to realize the circulation supply of the lubricating oil. The design of the annular oil guide groove and multiple lubrication holes realizes the uniform distribution and effective supply of the lubricating oil, improves the lubrication effect, and reduces the friction and wear between the components. At the same time, the design of the oil guide hole makes it easy to introduce and discharge the lubricating oil, realizes the recycling of the lubricating oil, and reduces the lubrication cost. In addition, the structure has the advantages of simple structure, easy manufacturing and maintenance, and is suitable for various mechanical equipment that require lubrication. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of an anti-corrosion oil seal ring provided by the utility model;

[0016] Figure 2 for Figure 1 A schematic diagram of the top view of the appearance structure;

[0017] Figure 3 for Figure 1 Schematic diagram of the enlarged structure of part A shown in FIG.

[0018] Figure numerals: 1. Lower ring body; 2. Upper ring body; 3. Annular oil guide groove; 4. Lubrication hole; 5. Oil guide hole; 6. Mounting port; 7. Mounting head; 8. Oil guide pipe; 9. Annular sealing groove; 10. Annular sealing rubber ring; 11. Annular upper groove; 12. Mounting hole position; 13. Screw hole; 14. Bolt; 15. First corrosion-resistant protective ring; 16. Avoidance port; 17. Annular lower groove; 18. Second corrosion-resistant protective ring; 19. Side annular groove; 20. Third corrosion-resistant protective ring. DETAILED DESCRIPTION

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this application belongs; the terms used herein in the specification of the application are for the purpose of describing specific embodiments only and are not intended to limit this application; the terms "including" and "having" in the specification and claims of this application and the description of the above-mentioned drawings, as well as any variations thereof, are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order; the terms "inside", "outside", "left", and "right" indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention.

[0020] References herein to "embodiments" mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0021] The present invention provides an anti-corrosion oil seal ring. Figure 1-3 As shown, the anti-corrosion oil seal ring includes: a lower ring body 1; an upper ring body 2 installed on the lower ring body 1; an annular oil guide groove 3 opened on the lower ring body 1; a plurality of lubrication holes 4 opened on the inner wall of the lower ring body 1 and connected to the annular oil guide groove 3; and an oil guide hole 5 opened on the upper ring body 2.

[0022] In this embodiment, it includes a lower ring body 1, an upper ring body 2, an annular oil guide groove 3, multiple lubrication holes 4 and an oil guide hole 5. The lower ring body 1 is used as a basic component to firmly install and support the entire structure. The upper ring body 2 is installed on the lower ring body 1. The two together constitute a complete sealing support structure. The annular oil guide groove 3 is opened on the lower ring body 1 to collect and store lubricating oil to ensure uniform distribution of lubricating oil. Multiple lubrication holes 4 are opened on the inner wall of the lower ring body 1 and are connected to the annular oil guide groove 3. In this way, lubricating oil can flow from the oil guide groove into the lubrication hole to lubricate the contact surface between the oil seal ring and the main shaft. Lubrication, the oil guide hole 5 is opened on the upper ring body 2 and is connected to the lubrication system. It is used to introduce the lubricating oil into the annular oil guide groove 3 to realize the circulation supply of the lubricating oil. Through the design of the annular oil guide groove 3 and multiple lubrication holes 4, the uniform distribution and effective supply of the lubricating oil are achieved, the lubrication effect is improved, and the friction and wear between the components are reduced. At the same time, the design of the oil guide hole 5 makes it easy to introduce and discharge the lubricating oil, realize the recycling of the lubricating oil, and reduce the lubrication cost. In addition, the structure has the advantages of simple structure, easy manufacturing and maintenance, and is suitable for various mechanical equipment that require lubrication.

[0023] In a further preferred embodiment of the present invention, a mounting opening 6 is provided on the oil guide hole 5 , a mounting head 7 is threadedly mounted on the mounting opening 6 , and an oil guide pipe 8 is provided on the mounting head 7 .

[0024] In this embodiment, the oil guide tube 8 can be fixed on the mounting opening 6 through the mounting head 7 , and the lubricating oil can be introduced into the oil guide hole 5 through the oil guide tube 8 .

[0025] In a further preferred embodiment of the present invention, an annular sealing groove 9 is formed on one side of the upper ring body 2 and the lower ring body 1 close to each other, and the same annular sealing rubber ring 10 is provided on the two annular sealing grooves 9 .

[0026] In this embodiment, the annular sealing rubber ring 10 installed in the annular sealing groove 9 can improve the sealing between the lower ring body 1 and the upper ring body 2 to prevent the lubricating oil from leaking out.

[0027] In a further preferred embodiment of the present invention, an annular upper groove 11 is provided on the upper ring body 2, and a plurality of mounting holes 12 are provided on the inner wall of the annular upper groove 11. A plurality of screw holes 13 are provided on the lower ring body 1, and bolts 14 are provided on the plurality of mounting holes 12. The plurality of bolts 14 are respectively threadedly connected to the inner walls of the plurality of screw holes 13.

[0028] In this embodiment, multiple bolts 14 can be installed through the multiple installation holes 12 and the multiple screw holes 13. The upper ring body 1 and the lower ring body 2 can be connected together to form an oil seal ring through the multiple bolts 14.

[0029] In a further preferred embodiment of the present invention, a first corrosion-resistant protection ring 15 is provided on the annular upper groove 11 , and a plurality of avoidance openings 16 are opened on the first corrosion-resistant protection ring 15 .

[0030] In this embodiment, a partial area of ​​the upper ring body 2 can be protected by the first corrosion-resistant protection ring 15 , thereby improving the corrosion resistance of the upper ring body 2 .

[0031] In a further preferred embodiment of the present invention, an annular lower groove 17 is provided at the bottom of the lower ring body 1 , and a second corrosion-resistant protective ring 18 is provided on the annular lower groove 17 .

[0032] In this embodiment, the second corrosion-resistant protection ring 18 can protect a partial area of ​​the lower ring body 1, thereby improving the corrosion resistance of the lower ring body 1.

[0033] In a further preferred embodiment of the present invention, both the lower ring body 1 and the upper ring body 2 are provided with side annular grooves 19 , and the same third corrosion-resistant protective ring 20 is provided on the two side annular grooves 19 .

[0034] In this embodiment, the third corrosion-resistant protection ring 20 can protect the side of the oil seal ring, thereby improving the corrosion resistance of the oil seal ring.

[0035] In a further preferred embodiment of the present invention, the first corrosion-resistant protection ring 15, the second corrosion-resistant protection ring 18 and the third corrosion-resistant protection ring 20 are all made of chloroprene rubber.

[0036] In this embodiment, the first corrosion-resistant protection ring 15 , the second corrosion-resistant protection ring 18 and the third corrosion-resistant protection ring 20 can improve the overall corrosion resistance of the oil seal ring.

[0037] To sum up, compared with related technologies, this oil seal ring not only has higher corrosion resistance, but also has the function of lubricating the contact surface between the shaft and the oil seal ring, which can avoid excessive friction between the contact surface between the shaft and the oil seal ring, resulting in a reduction in the life of the oil seal ring and the main shaft.

[0038] In the several embodiments provided in this application, it should be understood that the disclosed device can be implemented in other ways.

[0039] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit the protection scope of the present application. Obviously, the described examples are only some of the embodiments of the present application, not all the embodiments. Based on these examples, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application. Although the present application has been described in detail with reference to the above examples, those of ordinary skill in the art can still combine, add or delete the features in the embodiments of the present application according to the circumstances without creative labor, so as to obtain different other technical solutions which do not deviate from the concept of the present application in essence, and these technical solutions also fall within the scope of the present application.

Claims

1. An anti-corrosion oil seal ring, characterized in that: include: Lower circle body; an upper ring body mounted on the lower ring body; An annular oil guide groove is provided on the lower ring body; a plurality of lubrication holes formed on the inner wall of the lower ring and connected to the annular oil guide groove; An oil guide hole is provided on the upper ring body.

2. The anti-corrosion oil seal according to claim 1, characterized in that: The oil guide hole is provided with a mounting opening, a mounting head is threadedly mounted on the mounting opening, and an oil guide pipe is provided on the mounting head.

3. The anti-corrosion oil seal according to claim 1, characterized in that: An annular sealing groove is provided on one side of the upper ring body and the lower ring body which are close to each other, and the same annular sealing rubber ring is provided on the two annular sealing grooves.

4. The anti-corrosion oil seal according to claim 1, characterized in that: The upper ring body is provided with an annular upper groove, and the inner wall of the annular upper groove is provided with multiple mounting holes. The lower ring body is provided with multiple screw holes, and the multiple mounting holes are all provided with bolts, and the multiple bolts are respectively threadedly connected to the inner walls of the multiple screw holes.

5. The anti-corrosion oil seal according to claim 4, characterized in that: A first corrosion-resistant protective ring is provided on the annular upper groove, and a plurality of avoidance openings are opened on the first corrosion-resistant protective ring.

6. The anti-corrosion oil seal according to claim 5, characterized in that: An annular lower groove is provided at the bottom of the lower ring body, and a second corrosion-resistant protective ring is provided on the annular lower groove.

7. The anti-corrosion oil seal according to claim 6, characterized in that: The lower ring body and the upper ring body are both provided with side annular grooves, and the same third corrosion-resistant protective ring is provided on the two side annular grooves.

8. The anti-corrosion oil seal according to claim 7, characterized in that: The first corrosion-resistant protective ring, the second corrosion-resistant protective ring and the third corrosion-resistant protective ring are all made of chloroprene rubber.

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