Sealing element assembling structure
Through the design of composite seal structure, the spring sleeve body and various O-rings and other components are used to solve the problem of poor sealing effect of seals in shaft installation, and effective sealing of seals is achieved and leakage is avoided.
Patent Information
- Application Number
- CN202422267802.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-18
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-09-18
AI Technical Summary
The existing shaft-type installation seals have poor sealing effect at the connection, and the sealing effect itself is insufficient, resulting in leakage problems.
The composite structure of spring sleeve main body, shaft rod, various O-rings, spring seats, static covers and other components is adopted to achieve effective connection and sealing of seals through a multi-layer sealing design.
It realizes effective sealing of seals, avoids leakage, and improves the sealing effect.
Smart Images

Figure CN223120618U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the technical field of seals, and in particular to a seal assembly structure. Background Art
[0002] A seal is a material or part used to fill and prevent leakage between two or more relatively moving surfaces. According to different uses and materials, seals can be divided into static seals, dynamic seals, pressure-bearing seals, high-temperature seals, food-grade seals, etc. Among them, pressure-bearing seals are mainly used in equipment such as pipelines and containers that bear pressure to prevent medium leakage.
[0003] At present, there are still some deficiencies in the existing seals for shaft installation. The sealing effect at the connection between the seal and the shaft rod is poor, and the sealing effect of the seal itself is insufficient, which is not convenient for the effective sealing use of the seal. Therefore, we provide a seal assembly structure to solve the above problems. Summary of the Utility Model
[0004] The purpose of the present utility model is to provide a seal assembly structure to solve the problems raised in the above background art.
[0005] The embodiments of this application adopt the following technical solutions:
[0006] A seal assembly structure includes a spring sleeve body. The inner wall of the spring sleeve body is clamped with a shaft rod. An annular inner groove is opened on the inner wall of the spring sleeve body. A first O-ring is clamped on the inner wall of the annular inner groove. The inner wall of the first O-ring is in contact with the outer surface of the shaft rod. A limit retaining ring is sleeved on the outer surface of the spring sleeve body. A second O-ring is sleeved on the outer surface of the spring sleeve body. The outer surface of the second O-ring is in contact with the inner wall of the limit retaining ring. A spring seat is sleeved on the outer surface of the spring sleeve body. A static sleeve is sleeved on the outer surface of the spring seat. A first spring is fixedly connected to the inner wall of the spring seat. The left end of the first spring is fixedly connected to the right end of the static sleeve. A sleeve seat and a push plate are sleeved on the outer surface of the spring sleeve body. A second spring is fixedly connected to the inner wall of the sleeve seat. The right end of the second spring is fixedly connected to the left side surface of the push plate. An inner sleeve, a convex sleeve and a fixed seat are sleeved on the outer surface of the spring sleeve body. A static cover is sleeved on the outer surface of the convex sleeve. The left end of the fixed seat is clamped with the right end of the static cover. An encapsulation outer sleeve is sleeved on the outer surfaces of the static sleeve and the static cover. An installation bolt is threadedly connected to the left side surface of the fixed seat and the right side surface of the static cover together.
[0007] Preferably, an annular groove is opened on the left side surface of the encapsulation outer sleeve, and a third O-ring is clamped on the inner wall of the annular groove.
[0008] Preferably, a T-shaped installation hole is opened on the left side surface of the encapsulation outer sleeve.
[0009] Preferably, a fourth O-ring is clamped on the inner wall of the encapsulation jacket, and the inner wall of the fourth O-ring is in contact with the outer surface of the static sleeve.
[0010] Preferably, a fifth O-ring is sleeved on the outer surface of the spring sleeve body, and the outer surface of the fifth O-ring is in contact with the inner wall of the inner sleeve.
[0011] Preferably, two sixth O-rings are sleeved on the inner wall of the static cover, and the sixth O-rings are made of rubber.
[0012] The above at least one technical solution adopted in the embodiments of the present application can achieve the following beneficial effects:
[0013] By providing the spring sleeve body, the shaft rod, the first O-ring, the second O-ring, the third O-ring, the fourth O-ring, the fifth O-ring, the sixth O-ring, the inner sleeve, the convex sleeve, the static cover, the fixed seat and the mounting bolts, the effective sealing of this seal assembly can be realized, effectively avoiding the leakage phenomenon of the seal, and increasing the sealing use effect of this seal. Description of the Drawings
[0014] The drawings described herein are used to provide a further understanding of the present application, and constitute a part of the present application. The schematic embodiments of the present application and their descriptions are used to explain the present application, and do not constitute an improper limitation to the present application. In the drawings:
[0015] Figure 1 is: an overall three-dimensional schematic diagram of an assembly structure of a seal of the present utility model;
[0016] Figure 2 is: a side view of the encapsulation jacket of the present utility model;
[0017] Figure 3 is: an internal dissection structure schematic diagram of the spring sleeve body of the present utility model.
[0018] In the figure: 1. Spring sleeve body; 2. Second O-ring; 3. Limit retaining ring; 4. Fourth O-ring; 5. Static sleeve; 6. First spring; 7. Spring seat; 8. Sleeve seat; 9. Second spring; 10. Push plate; 11. Fifth O-ring; 12. Inner sleeve; 13. Fourth O-ring; 14. Convex sleeve; 15. Fixed seat; 16. Static cover; 17. Mounting bolt; 18. Annular groove; 19. Third O-ring; 20. Annular inner groove; 21. First O-ring; 22. Shaft rod; 23. Encapsulation jacket; 24. T-shaped mounting hole. Detailed Description of the Invention
[0019] To make the objectives, technical solutions, and advantages of this application clearer, the technical solutions of this application will be clearly and completely described below in conjunction with specific embodiments of this application and the corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of this application, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in this application without creative efforts shall fall within the scope of protection of this application.
[0020] The following will, in conjunction with the drawings, elaborate on the technical solutions provided by each embodiment of this application.
[0021] Please refer to Figures 1 - 3 , this utility model provides a technical solution for a seal assembly structure:
[0022] A seal assembly structure includes a spring sleeve main body 1. A shaft rod 22 is clamped to the inner wall of the spring sleeve main body 1. An annular inner groove 20 is formed in the inner wall of the spring sleeve main body 1. A first O-ring 21 is clamped to the inner wall of the annular inner groove 20. The inner wall of the first O-ring 21 is in contact with the outer surface of the shaft rod 22. A limit retaining ring 3 is sleeved on the outer surface of the spring sleeve main body 1. A second O-ring 2 is sleeved on the outer surface of the spring sleeve main body 1. The outer surface of the second O-ring 2 is in contact with the inner wall of the limit retaining ring 3. A spring seat 7 is sleeved on the outer surface of the spring sleeve main body 1. A static sleeve 5 is sleeved on the outer surface of the spring seat 7. A first spring 6 is fixedly connected to the inner wall of the spring seat 7. The left end of the first spring 6 is fixedly connected to the right end of the static sleeve 5. A socket 8 and a push plate 10 are sleeved on the outer surface of the spring sleeve main body 1. A second spring 9 is fixedly connected to the inner wall of the socket 8. The right end of the second spring 9 is fixedly connected to the left side surface of the push plate 10. An inner sleeve 12, a convex sleeve 14, and a fixed seat 15 are sleeved on the outer surface of the spring sleeve main body 1. A static cover 16 is sleeved on the outer surface of the convex sleeve 14. The left end of the fixed seat 15 is clamped to the right end of the static cover 16. A packaging outer sleeve 23 is sleeved on the outer surfaces of the static sleeve 5 and the static cover 16. An installation bolt 17 is threadedly connected to the left side surface of the fixed seat 15 and the right side surface of the static cover 16 together;
[0023] In this embodiment, an annular groove 18 is formed in the left side surface of the packaging outer sleeve 23. A third O-ring 19 is clamped to the inner wall of the annular groove 18; a T-shaped installation hole 24 is formed in the left side surface of the packaging outer sleeve 23; a fourth O-ring 4 is clamped to the inner wall of the packaging outer sleeve 23. The inner wall of the fourth O-ring 4 is in contact with the outer surface of the static sleeve 5; specifically, the external sealing effect of the packaging outer sleeve 23 can be enhanced through the third O-ring 19, the external installation of the packaging outer sleeve 23 can be facilitated through the T-shaped installation hole 24, and the sealed connection between the packaging outer sleeve 23 and the static sleeve 5 can be achieved through the fourth O-ring 4;
[0024] In this embodiment, a fifth O-ring 11 is sleeved on the outer surface of the spring sleeve body 1, and the outer surface of the fifth O-ring 11 is in contact with the inner wall of the inner sleeve 12; two sixth O-rings 13 are sleeved on the inner wall of the static cover 16, and the sixth O-rings 13 are made of rubber material; specifically, the fifth O-ring 11 can realize the sealed connection between the inner sleeve 12 and the spring sleeve body 1, and the sixth O-ring 13 can realize the sealed docking between the static cover 16 and the encapsulation outer sleeve 23.
[0025] Working principle: When this seal assembly structure is in use, the user first sleeves the limit retaining ring 3, the static sleeve 5, the spring seat 7, the sleeve seat 8, the inner sleeve 12, and the convex sleeve 14 on the outer surface of the spring sleeve body 1 in sequence. Then, the encapsulation outer sleeve 23 is sleeved on the outside of the static sleeve 5 and the convex sleeve 14 to encapsulate the outside of the spring sleeve body 1. Then, the static cover 16 is installed on the right part of the encapsulation outer sleeve 23, and the fixing seat 15 is sleeved on the right end of the spring sleeve body 1. At the same time, the second O-ring 2, the third O-ring 19, the fourth O-ring 4, the fifth O-ring 11, and the sixth O-ring 13 are sleeved inside the above-mentioned equipment in sequence to realize the internal assembly and sealing of this seal. Then, the first O-ring 21 is clamped into the annular groove 18. Then, the shaft rod 22 is sleeved inside the spring sleeve body 1, and the first O-ring 21 is used to seal the outside of the shaft rod 22 to realize the effective sealing use of this seal.
[0026] It should also be noted that the term "including", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, commodity or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or further includes elements inherent to this process, method, commodity or equipment. Without more limitations, the element defined by the statement "including one..." does not exclude the existence of another identical element in the process, method, commodity or equipment including the said element.
[0027] The above are only the embodiments of the present application and are not used to limit the present application. For those skilled in the art, various changes and modifications can be made to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included within the scope of the claims of the present application.
Claims
1. A seal assembly structure, comprising a spring sleeve body (1), characterized in that: The inner wall of the spring sleeve body (1) is clamped with a shaft rod (22). An annular inner groove (20) is opened on the inner wall of the spring sleeve body (1). The inner wall of the annular inner groove (20) is clamped with a first O-ring (21). The inner wall of the first O-ring (21) is in contact with the outer surface of the shaft rod (22). A limit retaining ring (3) is sleeved on the outer surface of the spring sleeve body (1). A second O-ring (2) is sleeved on the outer surface of the spring sleeve body (1). The outer surface of the second O-ring (2) is in contact with the inner wall of the limit retaining ring (3). A spring seat (7) is sleeved on the outer surface of the spring sleeve body (1). A static sleeve (5) is sleeved on the outer surface of the spring seat (7). A first spring (6) is fixedly connected to the inner wall of the spring seat (7). The left end of the first spring (6) is fixedly connected to the right end of the static sleeve (5). A sleeve seat (8) and a push plate (10) are sleeved on the outer surface of the spring sleeve body (1). A second spring (9) is fixedly connected to the inner wall of the sleeve seat (8). The right end of the second spring (9) is fixedly connected to the left side surface of the push plate (10). An inner sleeve (12), a convex sleeve (14) and a fixed seat (15) are sleeved on the outer surface of the spring sleeve body (1). A static cover (16) is sleeved on the outer surface of the convex sleeve (14). The left end of the fixed seat (15) is clamped with the right end of the static cover (16). A packaging outer sleeve (23) is sleeved on the outer surfaces of the static sleeve (5) and the static cover (16). An installation bolt (17) is commonly screwed on the left side surface of the fixed seat (15) and the right side surface of the static cover (16).
2. The seal assembly structure according to claim 1, characterized in that: An annular groove (18) is opened on the left side surface of the packaging outer sleeve (23). A third O-ring (19) is clamped on the inner wall of the annular groove (18).
3. The seal assembly structure according to claim 1, characterized in that: A T-shaped installation hole (24) is opened on the left side surface of the packaging outer sleeve (23).
4. A seal assembly structure according to claim 1, characterized in that: A fourth O-ring (4) is clamped on the inner wall of the packaging outer sleeve (23). The inner wall of the fourth O-ring (4) is in contact with the outer surface of the static sleeve (5).
5. A seal assembly structure according to claim 1, characterized in that: A fifth O-ring (11) is sleeved on the outer surface of the spring sleeve body (1). The outer surface of the fifth O-ring (11) is in contact with the inner wall of the inner sleeve (12).
6. A seal assembly structure according to claim 1, characterized in that: Two sixth O-rings (13) are sleeved on the inner wall of the static cover (16). The sixth O-rings (13) are made of rubber material.