Detachable mechanical oil seal

Abstract

The utility model relates to the technical field of oil seals, and discloses a detachable mechanical oil seal which is characterized in that a mounting assembly is sleeved on the outer side of a shaft body, a first sealing assembly is arranged on the outer side of the shaft body and positioned on the inner side of the mounting assembly, a second sealing assembly is arranged below the first sealing assembly, and the second sealing assembly is used for sealing a shaft body mounting seat; the fixing base is arranged on the outer side of the first lantern ring in a sleeving mode, then the fixing base is pushed downwards, the telescopic spring is stressed to be compressed to push the bottom of the first lantern ring to abut against the top of the second lantern ring, the dustproof effect is achieved, the sealing gasket abuts against the inner side of the fixing base, and therefore the sealing effect of the fixing base is improved; at the moment, fixing of the fixing base can be completed by screwing the fixing bolt into the threaded hole, the first lantern ring rotates along with the shaft body through the fixing base, friction between the first lantern ring and the shaft body is avoided, damage caused by long-time friction of the shaft body is prevented, and the service life of the shaft body is prolonged.

Description

Technical Field

[0001] This utility model relates to the field of oil seal technology, specifically a detachable mechanical oil seal. Background Technology

[0002] Oil seal is a common term for general sealing components; simply put, it's a seal for lubricating oil. It's a mechanical component used to seal grease (oil is the most common liquid substance in transmission systems, and also refers to any liquid substance in general). It isolates the lubricated parts from the output parts in the transmission system, preventing lubricating oil leakage.

[0003] Traditional oil seals typically come into direct contact with the rotating shaft and rely on friction between the seal and the shaft to provide a seal. This friction can lead to wear on both the oil seal and the shaft, thus affecting the sealing performance and the service life of the shaft. To address this, a detachable mechanical oil seal is proposed. Utility Model Content

[0004] The purpose of this invention is to provide a detachable mechanical oil seal to solve the problem mentioned in the background art that traditional oil seals are usually in direct contact with the rotating shaft and rely on friction between the seal and the shaft to provide a seal. This friction leads to wear on the oil seal and the shaft, thereby affecting the sealing effect and the service life of the shaft.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a detachable mechanical oil seal, comprising a shaft;

[0006] The mounting assembly is sleeved on the outside of the shaft body. A first sealing assembly is provided on the outside of the shaft body located inside the mounting assembly. A second sealing assembly is provided below the first sealing assembly. The second sealing assembly is used to seal the shaft body mounting seat.

[0007] The first sealing assembly includes a first collar and a first sealing ring. The first collar is fixedly sleeved on the outside of the shaft. A first groove is formed on the inner side of the first collar. The first sealing ring is disposed on the inner side of the first groove. A plurality of first connecting grooves are formed on the top of the first sealing ring. An installation groove is formed on the lower outer side of the first collar. A sealing gasket is disposed inside the installation groove.

[0008] Preferably, the mounting assembly includes a fixed seat and a telescopic spring. The fixed seat is sleeved on the outside of the shaft and located on the top of the outside of the first collar. A second connecting groove is provided on the bottom inner side of the fixed seat. The telescopic spring is installed between the first connecting groove and the second connecting groove. A fixing component is provided on the fixed seat.

[0009] Preferably, the outer side of the aforementioned sealing gasket abuts against the inner side of the fixing seat, and the first sealing ring is sleeved on the outer side of the shaft.

[0010] Preferably, the aforementioned fixing component includes a fixing bolt, and the outer side of the fixing seat has a threaded hole. The fixing bolt is threadedly connected to the inside of the threaded hole and abuts against the outer side of the shaft.

[0011] Preferably, the second sealing assembly includes a second collar and a second sealing ring. The second collar is sleeved on the outside of the shaft, and a second groove is provided on the outside of the second collar. The second sealing ring is installed inside the second groove.

[0012] Preferably, the top of the second ring is provided with a first placement groove, and a third sealing ring is embedded inside the first placement groove.

[0013] Preferably, the bottom of the first collar is provided with a second placement groove, which matches the third sealing ring.

[0014] Compared with the prior art, the present invention has the following technical effects: By fitting the fixing seat on the outside of the first ring and then pushing the fixing seat downward, the telescopic spring is compressed and pushes the bottom of the first ring against the top of the second ring, which achieves a dustproof effect. The sealing gasket abuts against the inside of the fixing seat, thereby improving the sealing effect of the fixing seat. At this time, the fixing bolt can be screwed into the threaded hole to complete the fixing of the fixing seat. The first ring rotates with the shaft through the fixing seat and will not rub against the shaft, preventing damage to the shaft due to long-term friction and improving the service life of the shaft. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the top structure of this utility model;

[0018] Figure 3 This is a schematic cross-sectional view of the fixing bolt of this utility model;

[0019] Figure 4 This is a schematic diagram of the third sealing ring structure of this utility model;

[0020] Figure 5This is a schematic cross-sectional view of the fixing seat of this utility model.

[0021] Explanation of reference numerals in the attached drawings: 1. Shaft; 2. First collar; 3. First groove; 4. First sealing ring; 5. First connecting groove; 6. Fixing seat; 7. Second connecting groove; 8. Telescopic spring; 9. Mounting groove; 10. Sealing gasket; 11. Second collar; 12. Second groove; 13. Second sealing ring; 14. First placement groove; 15. Third sealing ring; 16. Second placement groove; 17. Threaded hole; 18. Fixing bolt. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this application can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size should still fall within the scope of the technical content disclosed in this application, provided that they do not affect the effects and purposes that this application can produce.

[0024] Example

[0025] Please see Figure 1-5 This utility model provides a technical solution: a detachable mechanical oil seal, including a shaft 1; an installation component, the installation component being sleeved on the outside of the shaft 1, a first sealing component being provided on the outside of the shaft 1 located inside the installation component, and a second sealing component being provided below the first sealing component, the second sealing component being used for sealing the mounting seat of the shaft 1;

[0026] The second sealing assembly includes a second collar 11 and a second sealing ring 13. The second collar 11 is sleeved on the outside of the shaft body 1, and a second groove 12 is formed on the outside of the second collar 11. The second sealing ring 13 is installed inside the second groove 12. By installing the second collar 11 in the shaft seat, the second sealing ring 13 in the second groove 12 can seal the shaft seat and the shaft body 1, preventing oil leakage from the shaft seat. A first placement groove 14 is formed on the top of the second collar 11, and a third sealing ring 15 is embedded inside the first placement groove 14. A second placement groove 16 is formed on the bottom of the first collar 11, and the second placement groove 16 matches the third sealing ring 15. During installation, the bottom of the first collar 11 abuts against the top of the second collar 11, and the second placement groove 16 is sleeved on the outside of the third sealing ring 15, thus completing the seal between the second collar 11 and the first collar 11.

[0027] The first sealing assembly includes a first collar 2 and a first sealing ring 4. The first collar 2 is fixedly sleeved on the outside of the shaft 1. A first groove 3 is formed on the inner side of the first collar 2. The first sealing ring 4 is disposed on the inner side of the first groove 3. A plurality of first connecting grooves 5 are formed on the top of the first sealing ring 4. An installation groove 9 is formed on the lower outer side of the first collar 2. A sealing gasket 10 is disposed inside the installation groove 9. By installing the sealing gasket 10 inside the installation groove 9, and then sleeve the first collar 2 on the outside of the shaft 1, with the bottom of the first collar 2 abutting against the top of the second collar 11, the first collar 2 and the second collar 11 are tightly attached together, thereby achieving a dustproof effect.

[0028] To prevent damage to the shaft 1 from prolonged friction and extend its service life, the mounting assembly includes a fixed seat 6 and a telescopic spring 8. The fixed seat 6 is sleeved on the outside of the shaft 1 and located at the top of the outer side of the first collar 2. A second connecting groove 7 is provided on the inner bottom side of the fixed seat 6. The telescopic spring 8 is installed between the first connecting groove 5 and the second connecting groove 7. A fixing component is provided on the fixed seat 6. The outer side of the sealing gasket 10 abuts against the inner side of the fixed seat 6. The first sealing ring 4 is sleeved on the outer side of the shaft 1. By pushing the fixed seat 6 downward, the telescopic spring 8 is compressed, causing the telescopic spring to extend. Spring 8 pushes the bottom of the first collar 2 to abut against the top of the second collar 11, so that the first collar 2 and the second collar 11 are tightly pressed together; the fixing assembly includes a fixing bolt 18, and a threaded hole 17 is provided on the outer side of the fixing seat 6. The fixing bolt 18 is threaded into the inside of the threaded hole 17 and abuts against the outside of the shaft 1; by screwing the fixing bolt 18 into the inside of the threaded hole 17, one end of the fixing bolt 18 abuts against the outside of the shaft 1, thereby completing the fixing of the fixing seat 6. The first collar 2 rotates with the shaft 1 through the fixing seat 6 and will not rub against the shaft 1.

[0029] The working principle or structural principle is as follows: When installing a mechanical oil seal, by installing the second collar 11 in the shaft seat, the second sealing ring 13 in the second groove 12 can seal the space between the shaft seat and the shaft body 1, preventing oil leakage from the shaft seat; by installing the sealing gasket 10 inside the mounting groove 9, and then placing the first collar 2 on the outside of the shaft body 1, with the bottom of the first collar 2 abutting against the top of the second collar 11, and the second placement groove 16 on the outside of the third sealing ring 15, and then placing the fixing seat 6 on the outside of the first collar 2, by pushing the fixing seat 6 downward, the telescopic spring 8 is compressed, causing the extension... The compression spring 8 pushes the bottom of the first ring 2 against the top of the second ring 11, making the first ring 2 and the second ring 11 fit tightly together, thus achieving a dustproof effect. The sealing gasket 10 abuts against the inner side of the fixing seat 6, thereby improving the sealing effect of the fixing seat 6. At this time, the fixing bolt 18 can be screwed into the threaded hole 17, so that one end of the fixing bolt 18 abuts against the outer side of the shaft 1, thereby completing the fixing of the fixing seat 6. The first ring 2 rotates with the shaft 1 through the fixing seat 6 and will not rub against the shaft 1, preventing damage to the shaft 1 due to long-term friction and improving the service life of the shaft 1.

[0030] Those skilled in the art will understand that the features described in the various embodiments and / or claims of this utility model can be combined or combined in various ways, even if such combinations or combinations are not explicitly described in this utility model. In particular, the features described in the various embodiments and / or claims of this utility model can be combined or combined in various ways without departing from the spirit and teachings of this utility model. All such combinations and / or combinations fall within the scope of this utility model.

Claims

1. A detachable mechanical oil seal, characterized in that: Includes shaft (1); The mounting assembly is sleeved on the outside of the shaft (1). A first sealing assembly is provided on the outside of the shaft (1) located inside the mounting assembly. A second sealing assembly is provided below the first sealing assembly. The second sealing assembly is used to seal the mounting seat of the shaft (1). The first sealing assembly includes a first collar (2) and a first sealing ring (4). The first collar (2) is fixedly sleeved on the outside of the shaft (1). A first groove (3) is provided on the inner side of the first collar (2). The first sealing ring (4) is disposed on the inner side of the first groove (3). A plurality of first connecting grooves (5) are provided on the top of the first sealing ring (4). An installation groove (9) is provided on the lower outer side of the first collar (2). A sealing gasket (10) is provided inside the installation groove (9). The mounting assembly includes a fixed base (6) and a telescopic spring (8). The fixed base (6) is sleeved on the outside of the shaft (1) and located on the top of the outside of the first collar (2). A second connecting groove (7) is provided on the bottom inside of the fixed base (6). The telescopic spring (8) is installed between the first connecting groove (5) and the second connecting groove (7). A fixing component is provided on the fixed base (6).

2. The detachable mechanical oil seal according to claim 1, characterized in that: The outer side of the sealing gasket (10) abuts against the inner side of the fixing seat (6), and the first sealing ring (4) is sleeved on the outer side of the shaft (1).

3. A detachable mechanical oil seal according to claim 1, characterized in that: The fixing assembly includes a fixing bolt (18), and the fixing seat (6) has a threaded hole (17) on its outer side. The fixing bolt (18) is threadedly connected to the inside of the threaded hole (17) and abuts against the outside of the shaft (1).

4. A detachable mechanical oil seal according to claim 1, characterized in that: The second sealing assembly includes a second collar (11) and a second sealing ring (13). The second collar (11) is sleeved on the outside of the shaft (1). A second groove (12) is provided on the outside of the second collar (11). The second sealing ring (13) is installed inside the second groove (12).

5. A detachable mechanical oil seal according to claim 4, characterized in that: The top of the second ring (11) is provided with a first placement groove (14), and a third sealing ring (15) is embedded inside the first placement groove (14).

6. A detachable mechanical oil seal according to claim 5, characterized in that: The bottom of the first collar (2) is provided with a second placement groove (16), which matches the third sealing ring (15).

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