O-shaped ring with high wear resistance

Abstract

The utility model discloses a high-abrasion-resistance O-shaped ring which is characterized in that an O-shaped ring body is detachably connected in a shell, bolt holes are formed in the O-shaped ring body, a cover plate is movably connected to the upper surface of the shell, counter bores are formed in the cover plate and the shell, fixing bolts are arranged in the counter bores, drainage holes are formed in the cover plate, drainage grooves are formed in the shell, and the shell comprises a base layer. A heat-resisting layer is fixedly connected to the upper surface of the base layer, a wear-resisting layer is fixedly connected to the upper surface of the heat-resisting layer, a reinforcing strip is fixedly connected into the heat-resisting layer, and only the shell needs to be replaced when the outer portion of the O-shaped ring is seriously abraded through cooperation of the shell, the O-shaped ring, a bolt hole, a counter bore, a cover plate and a fixing bolt, so that the manufacturing cost of materials is reduced, and the later maintenance cost is reduced; the service life of the whole part can be effectively prolonged, and the replacement step is simple and rapid.

Description

Technical Field

[0001] The utility model relates to the technical field of O-rings, in particular to a highly wear-resistant O-ring. Background Art

[0002] As a common manufacturing element, the O-ring has the advantages of simple structure, easy manufacturing and low cost. Therefore, it is widely used in various mechanical equipment and manufacturing fields. However, the surface of the existing O-ring may be worn after long-term use, thus affecting the use effect. For example, China has disclosed "an O-ring" with an application number of "CN202120581383.1". The skeleton is provided inside the colloid. The skeleton is a lattice structure printed by 3D printing. Part of the colloid is filled in the lattice structure, so that the colloid is supported by the skeleton. Since the skeleton is not easy to deform, the connection between the skeleton and the colloid is relatively stable and not easy to detach. However, when the outer surface of the O-ring is severely worn, only the outer shell needs to be replaced, thereby reducing the manufacturing cost of the material and the subsequent maintenance cost. It cannot better resist wear and high temperature and extend the service life of the O-ring. It cannot guide the flow of lubricating fluid to make the lubricating fluid evenly distributed on the inner surface of the O-ring to give full play to the lubrication effect. Utility Model Content

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide a highly wear-resistant O-ring. Through the cooperation of the outer shell, the O-ring, the bolt hole, the countersunk hole, the cover plate and the fixing bolt, when the outer surface of the O-ring is severely worn, only the outer shell needs to be replaced, thereby reducing the manufacturing cost of the material, reducing the later maintenance cost, and effectively extending the service life of the entire component, and the replacement procedure is simple and quick; through the cooperation of the wear-resistant layer, the heat-resistant layer, the drainage hole and the drainage groove, the wear resistance and heat resistance of the material can be improved, and the wear and high temperature can be better resisted, the service life of the O-ring can be greatly extended, the replacement frequency can be reduced, and it is beneficial to reduce the long-term maintenance cost, and when the lubricating liquid is added, the flow of the lubricating liquid can be guided, and the lubricating liquid can be ensured to be evenly distributed on the inner surface of the O-ring, giving full play to the lubrication effect and reducing wear.

[0004] The utility model also provides the above-mentioned high wear-resistant O-ring, comprising: a shell, an O-ring detachably connected in the shell, a bolt hole is arranged on the O-ring, a cover plate is movably connected to the upper surface of the shell, a countersunk hole is arranged on the cover plate and the shell, a fixing bolt is arranged in the countersunk hole, a drainage hole is arranged on the cover plate, a drainage groove is arranged on the shell, the shell comprises a base layer, a heat-resistant layer is fixedly connected to the upper surface of the base layer, a wear-resistant layer is fixedly connected to the upper surface of the heat-resistant layer, a reinforcing strip is fixedly connected in the heat-resistant layer, and a reinforcing strip is fixedly connected in the heat-resistant layer through the shell, the O-ring, the bolt hole, the countersunk hole, the cover plate and the fixing With the combination of bolts, when the outer part of the O-ring is severely worn, only the outer shell needs to be replaced, which reduces the manufacturing cost of the material, reduces the later maintenance costs, can effectively extend the service life of the entire component, and the replacement procedure is simple and quick; through the combination of the wear-resistant layer, the heat-resistant layer, the drainage holes and the drainage grooves, the wear resistance and heat resistance of the material can be improved, which can better resist wear and high temperature, greatly extend the service life of the O-ring, reduce the replacement frequency, and help reduce long-term maintenance costs. When the lubricant is added, the flow of the lubricant can be guided to ensure that the lubricant is evenly distributed on the inner surface of the O-ring, give full play to the lubrication effect, and reduce wear.

[0005] According to the high wear-resistant O-ring described in the utility model, the reinforcing strip is fixedly connected to the wear-resistant layer. The material of the reinforcing strip is glass fiber. The stability between layers can make the overall structure more reliable, thereby improving the service life and safety of the equipment.

[0006] According to the high wear-resistant O-ring described in the utility model, the fixing bolt is threadedly connected to the bolt hole, and the nut height of the fixing bolt is lower than the countersunk hole. Making the nut height of the fixing bolt lower than the countersunk hole can reduce the overall height of the bolt, prevent the fixing bolt from protruding, avoid affecting the installation and operation of other components, and improve the overall compactness and aesthetics.

[0007] According to the highly wear-resistant O-ring described in the utility model, the cover plate is movably connected to the O-ring, which facilitates the removal and replacement of the O-ring, improves the efficiency of later maintenance, reduces maintenance time and labor costs, and reduces overall maintenance costs. When the O-ring is severely worn, only the O-ring needs to be replaced instead of the entire sealing device.

[0008] According to the highly wear-resistant O-ring described in the utility model, the material of the wear-resistant layer is polytetrafluoroethylene, and the material of the heat-resistant layer is polyetherimide, which can improve material properties, better resist wear and high temperature, greatly extend the service life of the O-ring, reduce the replacement frequency, and help reduce long-term maintenance costs.

[0009] According to the high wear-resistant O-ring described in the utility model, an opening is provided under the countersunk hole, and the fixing bolt is movably connected to the opening, which can improve the stability of the device and the reliability of the equipment.

[0010] According to the high wear-resistant O-ring described in the utility model, the drainage groove is connected with the drainage hole, and the drainage hole is semi-conical. The semi-conical hole can better guide and divert the liquid, prevent the liquid from overflowing outside the device, improve the drainage efficiency, and avoid liquid pollution or other problems around the device.

[0011] According to the high wear-resistant O-ring described in the utility model, the drainage groove is cylindrical, and the radius of the drainage groove is equal to the bottom radius of the drainage hole, which can effectively guide the flow of lubricating liquid, ensure that the lubricating liquid is evenly distributed on the inner surface of the O-ring, and give full play to the lubrication effect.

[0012] Beneficial Effects

[0013] 1. Compared with the prior art, this new type of highly wear-resistant O-ring, through the cooperation of the outer shell, O-ring, bolt hole, countersunk hole, cover plate and fixing bolt, when the outer surface of the O-ring is severely worn, only the outer shell needs to be replaced, which reduces the manufacturing cost of the material and the subsequent maintenance cost, can effectively extend the service life of the entire component, and the replacement procedure is simple and quick.

[0014] 2. Compared with the prior art, this new type of highly wear-resistant O-ring can improve the wear resistance and heat resistance of the material through the cooperation of the wear-resistant layer, the heat-resistant layer, the drainage holes and the drainage grooves, can better resist wear and high temperature, greatly extend the service life of the O-ring, reduce the replacement frequency, and help reduce long-term maintenance costs. When the lubricant is added, the flow of the lubricant can be guided to ensure that the lubricant is evenly distributed on the inner surface of the O-ring, give full play to the lubrication effect, and reduce wear. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is a three-dimensional structural diagram of the high wear-resistant O-ring of the utility model;

[0017] Figure 2 This is the internal structure diagram of the shell of the high wear-resistant O-ring of the utility model;

[0018] Figure 3 This is a structural diagram of the outer shell of the high wear-resistant O-ring of the utility model;

[0019] Figure 4 This is a cross-sectional structural diagram of the outer shell of the highly wear-resistant O-ring of the utility model.

[0020] Legend:

[0021] 1. Shell; 2. O-ring; 3. Bolt hole; 4. Cover plate; 5. Countersunk hole; 6. Fixing bolt; 7. Drainage hole; 8. Drainage groove; 9. Base layer; 10. Heat-resistant layer; 11. Wear-resistant layer; 12. Reinforcement strip. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figure 1-4 The utility model embodiment provides a highly wear-resistant O-ring, which includes: a shell 1 for placing an O-ring 2 and supporting the entire device, an O-ring 2 is detachably connected to the shell 1, a bolt hole 3 is provided on the O-ring 2, and a fixing bolt 6 is fixed thereon; a cover plate 4 is movably connected to the upper surface of the shell 1, and is used to cover the shell 1 and cover the upper part of the O-ring 2; a countersunk hole 5 is provided on the cover plate 4 and the shell 1, and a nut for placing the fixing bolt 6 is provided; a fixing bolt 6 is provided in the countersunk hole 5, and is used to fix the cover body 4 , an outer shell and an O-ring 2, a drainage hole 7 is arranged on the cover plate 4 for pouring lubricating oil, a drainage groove 8 is arranged on the outer shell 1 for guiding the flow of lubricating oil, the outer shell 1 includes a base layer 9 for supporting other layer structures, a heat-resistant layer 10 is fixedly connected to the upper surface of the base layer 9 for improving the heat resistance, a wear-resistant layer 11 is fixedly connected to the upper surface of the heat-resistant layer 10 for strengthening the material strength and wear resistance, a reinforcing strip 12 is fixedly connected inside the heat-resistant layer 10 for stabilizing the wear-resistant layer 11 and the heat-resistant layer 10.

[0024] The reinforcing strip 12 is fixedly connected to the wear-resistant layer 11, and is used to stabilize the wear-resistant layer 11 and the heat-resistant layer 10. The reinforcing strip 12 is made of glass fiber. The fixing bolt 6 is threadedly connected to the bolt hole 3, and is used to fix the fixing bolt 6. The nut height of the fixing bolt 6 is lower than the countersunk hole 5, and is used to reduce the height of the nut of the fixing bolt 6. The cover plate 4 is movably connected to the O-ring 2. The material of the wear-resistant layer 11 is polytetrafluoroethylene, and the material of the heat-resistant layer 10 is polyetherimide, which is used to improve the material properties. An opening is provided under the countersunk hole 5, and the fixing bolt 6 is movably connected to the opening, and is used for the movement of the fixing bolt 6. The drainage groove 8 is connected to the drainage hole 7. The drainage hole 7 is semi-conical, and the drainage groove 8 is cylindrical. The radius of the drainage groove 8 is equal to the bottom radius of the drainage hole 7, and is used to drain the liquid in the drainage hole 7 into the drainage groove 8 to lubricate the outer shell 1.

[0025] Working principle: when manufacturing the outer shell 1, a heat-resistant layer 10 is provided on the upper layer of the base layer 9, and a wear-resistant layer 11 is provided on the upper layer of the heat-resistant layer 10. The wear-resistant layer 11 and the heat-resistant layer 10 are fixed by a reinforcing strip 12. When in use, if the outer surface of the outer shell 1 is worn too heavily, the device is disassembled, and then the O-ring 2 is taken out and put into a new outer shell 1, and then the cover plate 4 is covered, and then the fixing bolts 6 are passed through the countersunk holes 5 and fixed in the bolt holes 3 on the O-ring 2, so as to fix the outer shell 1, the O-ring 2 and the cover plate 4 and then reinstall them.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A highly wear-resistant O-ring, characterized in that: include: A shell (1), wherein an O-ring (2) is detachably connected inside the shell (1), a bolt hole (3) is provided on the O-ring (2), a cover plate (4) is movably connected to the upper surface of the shell (1), a countersunk hole (5) is provided on the cover plate (4) and the shell (1), a fixing bolt (6) is provided in the countersunk hole (5), a drainage hole (7) is provided on the cover plate (4), and a drainage groove (8) is provided on the shell (1), the shell (1) comprises a base layer (9), a heat-resistant layer (10) is fixedly connected to the upper surface of the base layer (9), a wear-resistant layer (11) is fixedly connected to the upper surface of the heat-resistant layer (10), and a reinforcing strip (12) is fixedly connected inside the heat-resistant layer (10).

2. A highly wear-resistant O-ring according to claim 1, characterized in that: The reinforcing strip (12) is fixedly connected to the wear-resistant layer (11), and the material of the reinforcing strip (12) is glass fiber.

3. A highly wear-resistant O-ring according to claim 1, characterized in that: The fixing bolt (6) is threadedly connected to the bolt hole (3), and the nut height of the fixing bolt (6) is lower than the countersunk hole (5).

4. A highly wear-resistant O-ring according to claim 1, characterized in that: The cover plate (4) is movably connected to the O-ring (2).

5. A highly wear-resistant O-ring according to claim 1, characterized in that: The material of the wear-resistant layer (11) is polytetrafluoroethylene, and the material of the heat-resistant layer (10) is polyetherimide.

6. A highly wear-resistant O-ring according to claim 1, characterized in that: An opening is provided below the countersunk hole (5), and the fixing bolt (6) is movably connected to the opening.

7. A highly wear-resistant O-ring according to claim 1, characterized in that: The drainage groove (8) is communicated with the drainage hole (7), and the drainage hole (7) is semi-conical.

8. A highly wear-resistant O-ring according to claim 1, characterized in that: The drainage groove (8) is cylindrical, and the radius of the drainage groove (8) is equal to the bottom radius of the drainage hole (7).

Images