Sealing element retaining assembly and sealing element

By designing sealing retaining components for the lower and upper mounting boxes, the problems of complex structure and insufficient spring resilience in existing technologies are solved, achieving simplified installation, extended spring life, and reduced production costs.

CN224093818UActive Publication Date: 2026-04-07ZHENJIANG LIANCHUANG MASCH PARTS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-11
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

Existing sealing components have complex structures, and internal parts cannot be repaired in a timely manner if damaged. Springs are prone to rebound during installation, resulting in loose connections, reduced spring resilience, and increased production costs.

Method used

Design a sealing element retaining assembly including a lower mounting box and an upper mounting box. The lower mounting box includes a lower annular fixed plate and a lower sealing ring block. The top is provided with a lower inner ring groove for vertically locking the spring. Combined with the upper sealing ring and the fixed bearing, it drives the connecting cover to rotate and is threadedly fixed. The structure is simplified and easy to maintain.

Benefits of technology

It improves the lifespan and sealing performance of the spring, simplifies the installation process, reduces production costs, and facilitates maintenance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sealing elements, in particular to a sealing element retaining assembly and a sealing element, which comprise a lower mounting box and an upper mounting box, the lower mounting box comprises a lower annular fixing plate and a lower sealing ring block, the lower sealing ring block is fixedly arranged at the top end of the lower annular fixing plate, a spring is inserted at the top end of the lower sealing ring block, and the upper mounting box is fixedly connected with the upper mounting box. A sealing part assembly is placed at the upper end of the spring and placed on the inner side of the bottom end of an upper mounting box, the upper mounting box comprises an upper sealing ring block and a connecting cover, the connecting cover is fixedly arranged on the side of the upper sealing ring block, and an upper sealing ring and a lower sealing ring are bonded to the upper side and the lower side of an annular plate. The sealing performance can be further improved through the two sets of sealing rings, the structure is simple, operation is convenient, the fixing bearing fixedly arranged on the side of the upper sealing block can drive the connecting cover to rotate so as to be fixed to the outer wall of the lower annular fixing plate in a threaded mode, installation and maintenance are convenient, and the production cost is reduced.
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Description

Technical Field

[0001] This utility model relates to the field of sealing technology, specifically to a sealing element retaining assembly and a sealing element. Background Technology

[0002] In numerous industrial equipment and machinery, seals play a crucial role. Their main function is to prevent fluid (including gas and liquid) leakage between different components, ensuring that the equipment can operate stably, efficiently, and safely. As a key component that works in conjunction with the seal, the seal retainer has an indispensable impact on the full performance of the seal. In conventional sealing applications, the seal needs to fit tightly against the sealing surface of the equipment to build an effective sealing barrier. This requires the seal retainer to accurately and firmly fix the seal, ensuring that the seal can maintain a good sealing state even when subjected to various working pressures, temperature changes, and mechanical vibrations.

[0003] For example, CN214839055U discloses a sealing element retaining assembly and a sealing element, including a mechanical seal. A sealing gasket is placed at the top of the mechanical seal, and mounting mechanisms are respectively installed on the outer ends of the mechanical seal. Each mounting mechanism includes a mounting groove, a rotating plate, a mounting plate, a snap-fit ​​block, an embedded groove, a movable groove, a rotating block, and a spring. The outer ends of the mechanical seal are respectively provided with mounting grooves. This utility model is equipped with a mounting mechanism. Through the spring, the rotating block rotates with the rotating plate, and the reaction force of the spring facilitates the retraction of the rotating plate. Simultaneously, the mounting plate ensures that the snap-fit ​​block is always confined within the embedded groove. When the snap-fit ​​block is engaged with the embedded groove at the outer end of the sealing gasket, the rotating plate fits against the inside of the mounting groove, thus facilitating the restraint and fixation of the sealing gasket and preventing it from detaching from the sealing position during use, which would cause water to leak out and reduce the sealing effect. However, the existing device has a complex structure, and it is impossible to repair the internal parts in a timely manner if they are damaged, which undoubtedly increases the production cost. In addition, the spring inside the existing device will rebound during installation, resulting in a loose connection. Long-term sealing reduces the elasticity of the spring. Therefore, it is urgent to design a sealing element retention component and a sealing element to solve the above problems. Utility Model Content

[0004] The purpose of this utility model is to provide a sealing element retaining component and a sealing element to solve the problems mentioned in the background art, such as the complex structure of the existing device, the inability to repair the internal parts in a timely manner after damage, which undoubtedly increases the production cost, and the fact that the spring inside the existing device will rebound during installation, resulting in a loose connection of the device and the reduction of the spring's elasticity after long-term sealing.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a sealing element retaining assembly and a sealing element, comprising a lower mounting box and an upper mounting box. The lower mounting box includes a lower annular fixed plate and a lower sealing ring block. The lower sealing ring block is fixed at the top of the lower annular fixed plate. A spring is inserted at the top of the lower sealing ring block. A sealing element assembly is placed at the upper end of the spring. The sealing element assembly is placed inside the bottom end of the upper mounting box. The upper mounting box includes an upper sealing ring block and a connecting cover. The connecting cover is fixed on the side of the upper sealing ring block.

[0006] Preferably, the lower sealing ring block has a lower inner ring groove at its top center, and the bottom end of the spring is engaged inside the lower inner ring groove.

[0007] Preferably, the sealing assembly includes an annular plate and an upper sealing ring, the upper sealing ring is bonded to the top of the annular plate, and a lower sealing ring is bonded to the bottom of the annular plate, the upper sealing ring and the lower sealing ring having the same structure.

[0008] Preferably, an inner ring groove is formed inside the bottom end of the upper sealing ring block, and a long ring block is provided on the outer wall of the inner ring groove.

[0009] Preferably, a fixed bearing is fixedly provided at the inner top of the connecting cover, and the inner side of the fixed bearing is fixedly provided at the top of the outer wall of the upper sealing ring block.

[0010] Preferably, the top end of the spring contacts the lower sealing ring, and the top end of the upper sealing ring is fitted inside the upper inner ring groove.

[0011] Preferably, the fixed bearing can drive the connecting cover to rotate, and the inner bottom end of the connecting cover is threadedly fixed to the outer wall of the lower annular fixed plate.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] This type of sealing element retaining assembly and sealing element allows for the placement of a spring through the lower inner ring groove opened at the top of the lower sealing ring block, facilitating vertical force on the spring and improving its service life. The upper and lower sealing rings bonded to both sides of the annular plate further enhance the sealing performance through the two sets of sealing rings. The structure is simple and easy to operate.

[0014] This type of sealing element retaining assembly and sealing element allows for the vertical locking of a spring through an upper inner ring groove at the bottom of the upper sealing ring block and a lower inner ring groove at the beginning of the lower sealing block. This design facilitates the use of the spring. A fixed bearing fixed to the side of the upper sealing block can drive the connecting cover to rotate, thereby threading it onto the outer wall of the lower annular fixed plate. This design facilitates installation, maintenance, and reduces production costs. Attached Figure Description

[0015] Figure 1 This is a frontal view of the exploded diagram of this utility model;

[0016] Figure 2 This is an enlarged schematic diagram of the sealing component structure of this utility model;

[0017] Figure 3 This is a front sectional view of the mounting box of this utility model;

[0018] Figure 4 This is a top view of the mounting box structure of this utility model.

[0019] In the diagram: 1. Lower mounting box; 11. Lower annular fixed plate; 12. Lower sealing ring block; 121. Lower inner ring groove; 2. Spring; 3. Sealing assembly; 31. Annular plate; 32. Upper sealing ring; 33. Lower sealing ring; 4. Upper mounting box; 41. Upper sealing ring block; 411. Long ring block; 412. Upper inner ring groove; 42. Connecting cover; 421. Fixed bearing. Detailed Implementation

[0020] 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.

[0021] Please see Figures 1-4 One embodiment provided by this utility model:

[0022] A sealing element retaining assembly and a sealing element include a lower mounting box 1 and an upper mounting box 4. The lower mounting box 1 includes a lower annular fixed plate 11 and a lower sealing ring block 12. The lower sealing ring block 12 is fixed to the top of the lower annular fixed plate 11. A spring 2 is inserted into the top of the lower sealing ring block 12. A sealing element assembly 3 is placed on the upper end of the spring 2. The sealing element assembly 3 is placed inside the bottom end of the upper mounting box 4. The upper mounting box 4 includes an upper sealing ring block 41 and a connecting cover 42. The connecting cover 42 is fixed to the side of the upper sealing ring block 41.

[0023] As a further feature of this invention, a lower inner ring groove 121 is provided at the top center of the lower sealing ring block 12, and the bottom end of the spring 2 is clamped inside the lower inner ring groove 121, which facilitates the vertical clamping of the spring, makes it easier for the spring to bear force, and improves the service life of the spring.

[0024] Furthermore, the sealing component 3 includes an annular plate 31 and an upper sealing ring 32. The upper sealing ring 32 is bonded to the top of the annular plate 31, and the lower sealing ring 33 is bonded to the bottom of the annular plate 31. The upper sealing ring 32 and the lower sealing ring 33 have the same structure, which further improves the sealing performance and enhances the safety of the device.

[0025] Furthermore, an inner ring groove 412 is provided inside the bottom end of the upper sealing ring block 41, and a long ring block 411 is provided on the outer wall of the inner ring groove 412, which helps to further improve the sealing performance of the two sets of sealing rings. The structure is simple and easy to operate.

[0026] As a further improvement of this utility model, a fixed bearing 421 is fixedly provided at the inner top of the connecting cover 42. The inner side of the fixed bearing 421 is fixedly provided at the top of the outer wall of the upper sealing ring block 41. The top of the spring 2 contacts the lower sealing ring 33. The top of the upper sealing ring 32 is fitted into the inner groove 412 of the upper inner ring. The fixed bearing 421 can drive the connecting cover 42 to rotate. The inner bottom of the connecting cover 42 is threadedly fixed to the outer wall of the lower annular plate 11. This is beneficial because the fixed bearing can drive the connecting cover to rotate, thereby threadedly fixing it to the outer wall of the lower annular plate. This makes installation convenient, maintenance easy, and reduces production costs.

[0027] Working principle: In use, the user first places the bottom end of the spring 2 vertically inside the lower inner ring groove 121 opened at the top of the lower sealing ring block 12. Then, the annular plate 31, which is bonded with the upper and lower sets of upper sealing rings 32 and lower sealing rings 33, is clamped in the upper inner ring groove 412 opened at the bottom of the upper sealing ring block 41. Then, the top end of the spring 2 is aligned with the lower sealing ring 33. Finally, the upper mounting box 4 is placed vertically on the upper side of the lower mounting box 1. The bottom end of the connecting cover 42 is brought into contact with the outer wall of the lower annular fixed plate 11. Then, by rotating the connecting cover 42 thread downward through the fixed bearing 421, the top end of the lower sealing block 12 is brought into contact with the bottom end of the upper sealing ring block 41 to complete the installation. The above is the complete working principle of this utility model.

[0028] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A seal retention assembly and a seal, comprising a lower mounting box (1) and an upper mounting box (4), characterized in that: The lower mounting box (1) includes a lower annular fixed plate (11) and a lower sealing ring block (12). The lower sealing ring block (12) is fixed at the top of the lower annular fixed plate (11). A spring (2) is inserted at the top of the lower sealing ring block (12). A sealing component assembly (3) is placed at the upper end of the spring (2). The sealing component assembly (3) is placed inside the bottom end of the upper mounting box (4). The upper mounting box (4) includes an upper sealing ring block (41) and a connecting cover (42). The connecting cover (42) is fixed on the side of the upper sealing ring block (41).

2. The seal retention assembly and seal according to claim 1, characterized in that: The lower sealing ring block (12) has a lower inner ring groove (121) at the top center, and the bottom end of the spring (2) is locked inside the lower inner ring groove (121).

3. The seal retention assembly and seal according to claim 1, characterized in that: The sealing component assembly (3) includes an annular plate (31) and an upper sealing ring (32). The upper sealing ring (32) is bonded to the top of the annular plate (31), and the lower sealing ring (33) is bonded to the bottom of the annular plate (31). The upper sealing ring (32) and the lower sealing ring (33) have the same structure.

4. The seal retention assembly and seal according to claim 1, characterized in that: The upper sealing ring block (41) has an upper inner ring groove (412) inside its bottom end, and the outer wall of the upper inner ring groove (412) is provided with a long ring block (411).

5. A seal retention assembly and a seal according to claim 1, characterized in that: The inner top of the connecting cover (42) is fixed with a fixed bearing (421), and the inner side of the fixed bearing (421) is fixed to the top of the outer wall of the upper sealing ring block (41).

6. A seal retention assembly and a seal according to claim 3, characterized in that: The top end of the spring (2) contacts the lower sealing ring (33), and the top end of the upper sealing ring (32) is fitted inside the upper inner ring groove (412).

7. A seal retention assembly and a seal according to claim 5, characterized in that: The fixed bearing (421) can drive the connecting cover (42) to rotate, and the inner bottom end of the connecting cover (42) is threadedly fixed to the outer wall of the lower annular plate (11).

Citation Information

Patent Citations

  • Sealing element retaining assembly and sealing element

    CN214839055U