Wear-resistant sealing ring

Abstract

The utility model relates to a wear-resistant sealing ring which comprises a body, the body comprises an inner ring and an outer ring, the wear-resistant sealing ring further comprises a built-in ring and a wear-resistant gasket, the built-in ring is located on the inner ring of the body and detachably connected with the outer ring, and the wear-resistant gasket is located on the inner wall of the built-in ring and fixedly connected with the built-in ring. By the adoption of the scheme, when the abrasion-resistant sealing ring is used, if the abrasion-resistant gasket is abraded, the built-in ring can be separated from the body, then the built-in ring is replaced with a new built-in ring, and the body continues to be used.

Description

Technical Field

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

[0002] Among automotive parts, sealing rings (also known as O-rings, oil seals, etc.) are very important components. They are mainly used to prevent the leakage of fluids (such as lubricating oil, coolant, brake fluid, etc.) and prevent external impurities (such as dust and dirt) from entering the mechanical system.

[0003] As the sealing ring is used for a long time, abnormal temperature in the car engine, long-term idling or overload operation, or impurities on the surface of other parts may cause wear during use, resulting in wear of the sealing ring and the need to replace it with a new one.

[0004] Therefore, how to improve the service life of the sealing ring has become an urgent problem to be solved by those skilled in the art. Summary of the invention

[0005] In view of the deficiencies in the prior art, the utility model aims to provide a wear-resistant sealing ring which can separate the inner ring from the body and replace it with a new inner ring if the wear-resistant gasket is worn during use, while the body can continue to be used.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: it includes a main body, which includes an inner ring and an outer ring, and also includes an inner ring and a wear-resistant gasket. The inner ring is located in the inner ring of the main body and is detachably connected to the outer ring, and the wear-resistant gasket is located on the inner wall of the inner ring and is fixedly connected to the inner ring.

[0007] The utility model is further configured as follows: the built-in ring includes an outer positioning portion, the outer ring is provided with a positioning groove corresponding to the positioning portion and having a shape and size adapted to the positioning portion, the positioning portion is located in the positioning groove and is detachably connected to the outer ring.

[0008] The utility model is further configured as follows: the positioning portion comprises an upper component section and a lower component section, the upper component section is configured to be flared from top to bottom, and the lower component section is configured to be contracted from top to bottom.

[0009] The utility model is further configured as follows: it also includes a plurality of connecting parts made of a material that is easy to deform and fixedly mounted on the outer ring, and the connecting parts are arranged at intervals along the circumference of the outer ring, and each of the connecting parts includes an insertion section and a limiting section, and each limiting section is located on the inner side of the corresponding insertion section, and each of the insertion sections is inserted with a built-in ring and a wear-resistant gasket, and each limiting section is against the inner end face of the wear-resistant gasket.

[0010] The utility model is further configured as follows: each of the limiting sections includes a fixed end, a connecting end and a limiting end, the length direction of the fixed end is the same as the radial direction of the body, the length direction of the connecting end is perpendicular to the length direction of the fixed end, and the limiting end is located above the fixed end and is inclined from top to bottom and from outside to inside.

[0011] The utility model is further configured as follows: it also includes a matching spring located outside each insertion section, a matching groove is provided in the outer ring corresponding to each insertion section, each matching spring is respectively located in the corresponding matching groove and one end is fixedly connected to the insertion section, and the other end is fixedly connected to the outer ring.

[0012] The utility model is further configured as follows: each of the matching grooves includes an installation section, an abutment section and a positioning section, the height of each abutment section is the same as the height of the limiting section, the height of each positioning section is matched with the corresponding insertion section, and each positioning section is located on the inner side of the corresponding abutment section and has the same height as the corresponding installation section.

[0013] By adopting the above technical scheme, 1. Since the built-in ring is located in the inner ring and is detachably connected to the outer ring, and the wear-resistant gasket is fixed on the inner wall of the built-in ring, after the sealing ring is sleeved on other components, the wear-resistant gasket is in direct contact with other components. In addition, since the wear-resistant gasket usually has good wear resistance and the hardness and smoothness of the gasket surface are improved by plating, coating, etc., the friction coefficient is reduced, thereby increasing its wear resistance, so the provision of the wear-resistant gasket can improve the overall wear resistance of the sealing ring; 2. Since the built-in ring is detachably connected to the outer ring, if the movement of the components during use causes the wear of the wear-resistant gasket, the built-in ring can be removed from the outer ring and replaced with a new built-in ring, so that the component will contact the new wear-resistant inner ring, thereby extending the service life of the entire sealing ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 A three-dimensional diagram of a specific implementation of the utility model;

[0016] Figure 2 It is a cross-sectional view of a specific implementation mode of the utility model;

[0017] Figure 3 It is an exploded view of a specific implementation method of the utility model;

[0018] Figure 4 for Figure 2 A magnified image of middle A;

[0019] Figure 5 for Figure 3 Enlarged view of B

[0020] Figure 6 for Figure 3 Enlarged view of C in the middle.

[0021] In the figure: 1-body, 11-inner ring, 12-outer ring, 121-positioning groove, 122-matching groove, 1221-installation section, 1222-abutting section, 1223-positioning section;

[0022] 2-built-in ring, 21-positioning portion, 211-upper component section, 212-lower component section;

[0023] 3- Wear-resistant washers;

[0024] 4-connecting piece, 41-insertion section, 42-limiting section, 421-fixed end, 422-connecting end, 423-limiting end;

[0025] 5-Match spring. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] like Figure 1-Figure 6As shown, the utility model discloses a wear-resistant sealing ring, including a body 1, wherein the body 1 includes an inner ring 11 and an outer ring 12, and also includes an inner ring 2 and a wear-resistant gasket 3, wherein the inner ring 2 is located at the inner ring 11 of the body 1 and is detachably connected to the outer ring 12 by means of buckles, bolts, etc., and the wear-resistant gasket 3 is located at the inner wall of the inner ring 2 and is fixedly connected to the inner ring 2 by means of welding, etc. 1. Since the inner ring 2 is located at the inner ring 11 and is detachably connected to the outer ring 12, and the wear-resistant gasket 3 is fixed to the inner wall of the inner ring 2, after the sealing ring is sleeved on other components, the wear-resistant gasket is in direct contact with other components. 1. Because the wear-resistant gasket 3 usually has good wear resistance and the hardness and smoothness of the gasket surface are improved by plating, coating, etc., reducing the friction coefficient, thereby increasing its wear resistance, the setting of the wear-resistant gasket 3 can improve the overall wear resistance of the sealing ring; 2. Because the inner ring 2 and the outer ring 12 are detachably connected, if the movement of the parts during use causes the wear of the wear-resistant gasket 3, at this time, the inner ring 2 can be removed from the outer ring 12 and replaced with a new inner ring 2, so that the parts will contact with the new wear-resistant inner ring 11, thereby extending the service life of the entire sealing ring.

[0028] Among them, the inner ring 2 includes an outer positioning portion 21, and the outer ring 12 is provided with a positioning groove 121 corresponding to the positioning portion 21, and the shape and size of the positioning portion 21 are adapted to the positioning portion 21. The positioning portion 21 is located in the positioning groove 121 and is detachably connected to the outer ring 12 by means of snaps, bolts, etc. Since the positioning portion 21 of the inner ring 2 will be installed in the positioning groove 121 of the outer ring 12, it can facilitate the connection and fixation of the positioning portion 21 with the outer ring 12.

[0029] Preferably, the positioning portion 21 includes an upper component section 211 and a lower component section 212, the upper component section 211 is flared from top to bottom, and the lower component section 212 is contracted from top to bottom. Since the positioning portion 21 will match the shape and size of the positioning groove 121, after the positioning portion 21 of the built-in ring 2 is installed in the positioning groove 121, at this time, since the upper component section 211 is flared downward and the lower component section 212 is contracted downward, the bottom of the upper component section 211 is the largest diameter, and the top of the lower component section 212 is the largest diameter. Therefore, when the positioning portion 21 of the built-in ring 2 is installed in the positioning groove 121 of the inner ring 11, 21, it is necessary to apply a radial outward force to the outer ring 12 to make the sealing ring deform outward so that the positioning portion 21 of the inner ring 2 is forced to enter the positioning groove 121. After the position of the inner ring 2 in the outer ring 12 is determined, the bottom of the upper component segment 211 is difficult to move downward compared with the positioning groove 121, and the top of the lower component segment 212 is difficult to move downward compared with the positioning groove 121 and upward to the position where the upper component segment 211 is located. Therefore, after the positioning portion 21 is installed in the positioning groove 121, it is difficult for the positioning portion 21 to move up and down compared with the outer ring 12, so that the inner ring 2 can be stably located in the outer ring 12.

[0030] Among them, it also includes a number of connectors 4 made of rubber or other easily deformable materials fixedly installed on the outer ring 12 by welding or other means, and each connector 4 is arranged at intervals along the circumference of the outer ring 12, and each connector 4 includes an insertion section 41 and a limiting section 42, and each limiting section 42 is located on the inner side of the corresponding insertion section 41, and each insertion section 41 is inserted with a built-in ring 2 and a wear-resistant gasket 3, and each limiting section 42 is against the inner end surface of the wear-resistant gasket 3. When each connector 4 is installed, the limiting section 42 is bent downward and inward to be located in the length extension direction of the corresponding insertion section 41. At this time, by inserting the built-in ring 2 and the wear-resistant gasket 3 in each limiting section 42, Each inserted section 41 is located in the corresponding built-in ring 2 and wear-resistant gasket 3. At this time, the limit section 42 that loses the force to reset can be against the inner end face of the wear-resistant gasket 3. Therefore, after each connecting piece 4 is installed into the built-in ring 2 and the wear-resistant gasket 3, the built-in ring 2 cannot rotate compared with the outer ring 12, so that the built-in ring 2 and the wear-resistant gasket 3 can be stably located in the outer ring 12 and connected with the outer ring 12. When it is necessary to disassemble the outer ring 12 and the built-in ring 2, the limit end 423 is bent inward and downward so that it can enter the matching groove 122 instead of outward, thereby realizing the separation of the built-in ring 2 and the outer ring 12, so that the built-in ring 2 and the wear-resistant gasket 3 can be taken out for replacement.

[0031] Among them, each of the limiting sections 42 includes a fixed end 421, a connecting end 422 and a limiting end 423. The length direction of the fixed end 421 is the same as the radial direction of the main body 1, the length direction of the connecting end 422 is perpendicular to the length direction of the fixed end 421, and the limiting end 423 is located above the fixed end 421 and is inclined from top to bottom and from outside to inside. Since the limiting end 423 is located above the connecting end 422 and is inclined, the inner side of the limiting section 42 is the highest point, so that the limiting end 423 can stably resist the inner end face of the wear-resistant gasket 3 in the absence of external force, so that the built-in ring 2 and the wear-resistant gasket 3 can be more stably connected to the outer ring 12.

[0032] In addition, it also includes a matching spring 5 located outside each insertion section 41, and a matching groove 122 is provided in the outer ring 12 corresponding to each insertion section 41. Each matching spring 5 is respectively located in the corresponding matching groove 122 and one end is fixedly connected to the insertion section 41 by welding or the like, and the other end is fixedly connected to the outer ring 12 by welding or the like. Due to the arrangement of each matching spring 5, when the limit end 423 abuts against the inner end face of the wear-resistant gasket 3, the matching spring 5 can be stably in a stretched state, and when the limit end needs to be When 423 is bent inward and downward and then moved outward, as the connecting piece 4 moves toward the matching groove 122, the return spring can be compressed, so that after the inner ring 2 and the wear-resistant gasket 3 are taken out from the inner side of the outer ring 12, the outer ring 12 is bent outward so that the positioning portion 21 of the inner ring 2 enters the positioning groove 121. The elastic force of the return spring itself can drive each connecting piece 4 to reset inward, so that the connecting piece 4 can more smoothly insert the inner ring 2 and the wear-resistant gasket 3, thereby realizing the installation of each connecting piece 4.

[0033] Each of the matching grooves 122 includes an installation section 1221, an abutting section 1222 and a positioning section 1223. The height of each of the abutting sections 1222 is the same as the height of the limiting section 42. The height of each of the positioning sections 1223 matches the corresponding insertion section 41. Each of the positioning sections 1223 is located on the inner side of the corresponding abutting section 1222 and has the same height as the corresponding installation section 1221. Therefore, after the limiting end 423 is bent inward and downward, the connecting member 4 is pushed outward so that each insertion section 41 compresses the corresponding matching spring 5 outward, and the limiting section 42 can be outward and then enter the corresponding installation section 1221. At this time, since each of the abutting sections 1222 is located at the corresponding On the outside of the positioning section 1223 and because the height of the abutting section 1222 is greater than the corresponding mounting section 1221 and the positioning section 1223, when the inner ring 2 and the wear-resistant gasket 3 are taken out from the outer ring 12, each limiting section 42 will be respectively located in the corresponding mounting section 1221 and abut against the inner abutting section 1222, so that the main body 1 can be mounted on the parts as an ordinary sealing ring at this time, and each connecting part 4 will not interfere with the parts. When it is necessary to move each connecting part 4 inward from the corresponding outer ring 12, it is necessary to use a tool to push the limiting section 42 inward to realize the insertion of each connecting part 4 into the inner ring 2 and the wear-resistant gasket 3, thereby improving the overall wear resistance of the sealing ring.

[0034] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A wear-resistant sealing ring, comprising a body, wherein the body comprises an inner ring and an outer ring, characterized in that: It also includes an internal ring and a wear-resistant gasket. The internal ring is located in the inner ring of the main body and is detachably connected to the outer ring. The wear-resistant gasket is located on the inner wall of the internal ring and is fixedly connected to the internal ring.

2. The wear-resistant sealing ring according to claim 1, characterized in that: The built-in ring comprises an outer positioning portion, and the outer ring is provided with a positioning groove corresponding to the positioning portion, the shape and size of which are adapted to the positioning portion, and the positioning portion is located in the positioning groove and is detachably connected to the outer ring.

3. The wear-resistant sealing ring according to claim 2, characterized in that: The positioning portion comprises an upper component section and a lower component section, wherein the upper component section is arranged in an expanded manner from top to bottom, and the lower component section is arranged in a contracted manner from top to bottom.

4. A wear-resistant sealing ring according to claim 1 or 2, characterized in that: It also includes a plurality of connectors made of easily deformable materials fixedly mounted on the outer ring, each connector being arranged at intervals along the circumference of the outer ring, each connector including an insertion section and a limiting section, each limiting section being located on the inner side of the corresponding insertion section, each insertion section being inserted with a built-in ring and a wear-resistant gasket, each limiting section being against the inner end face of the wear-resistant gasket.

5. The wear-resistant sealing ring according to claim 4, characterized in that: Each of the limiting sections includes a fixed end, a connecting end and a limiting end. The length direction of the fixed end is the same as the radial direction of the body, the length direction of the connecting end is perpendicular to the length direction of the fixed end, and the limiting end is located above the fixed end and is inclined from top to bottom and from outside to inside.

6. The wear-resistant sealing ring according to claim 4, characterized in that: It also includes a matching spring located outside each insertion segment, and a matching groove is provided in the outer ring corresponding to each insertion segment. Each matching spring is respectively located in the corresponding matching groove and one end is fixedly connected to the insertion segment, and the other end is fixedly connected to the outer ring.

7. The wear-resistant sealing ring according to claim 6, characterized in that: Each of the mating grooves includes an installation section, an abutment section and a positioning section. The height of each abutment section is the same as the height of the limiting section. The height of each positioning section is matched with the corresponding insertion section. Each positioning section is located on the inner side of the corresponding abutment section and its height is the same as the height of the corresponding installation section.

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