Snap-in seal ring quick mount assembly
By designing a sealing ring and snap-fit structure for the movable shaft connection, the problems of cumbersome installation and easy loosening of traditional snap-fit sealing rings are solved, achieving rapid installation, stable and efficient sealing, and improving environmental adaptability and system reliability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU ZESHAN PRECISION MASCH CO LTD
- Filing Date
- 2025-08-12
- Publication Date
- 2026-06-23
AI Technical Summary
Traditional snap-on sealing rings are cumbersome to install, require special tools, are time-consuming to operate, are prone to loosening, and have poor environmental adaptability.
The design incorporates a first and second sealing ring connected by a movable shaft, combined with a positioning block and snap-fit structure, using a return spring and a locking plate for quick installation and disassembly, enhancing stability and sealing performance.
It simplifies the installation process, improves assembly efficiency, prevents loosening, enhances environmental adaptability and sealing performance, and improves the safety and reliability of the system.
Smart Images

Figure CN224397351U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of snap-fit sealing ring quick-installation components, specifically snap-fit sealing ring quick-installation components. Background Technology
[0002] The technical background of snap-on sealing ring quick-installation components mainly stems from the limitations of traditional sealing structures in terms of assembly efficiency, maintenance costs, and environmental adaptability.
[0003] However, it still has some drawbacks. For example, the current snap-on sealing ring installation generally requires special tools for bolt tightening or welding, the operation steps are complicated (such as pre-drilling, alignment, and multi-part coordination), it is time-consuming and requires high technical skills from workers. After long-term use, it is prone to loosening due to vibration or material fatigue, requiring frequent maintenance.
[0004] To address the aforementioned issues, this application proposes a snap-fit sealing ring quick-installation assembly. Utility Model Content
[0005] The purpose of this invention is to provide a snap-fit sealing ring quick-installation assembly to solve the problem of inconvenient installation in the prior art mentioned in the background section.
[0006] To achieve the above objectives, the present invention provides the following technical solution: a snap-fit sealing ring quick-installation assembly, including a first connecting pipe, a first positioning groove formed on the outer wall of the first connecting pipe, a connecting inner cylinder fixedly connected to one side of the first connecting pipe, the outer wall of the connecting inner cylinder being sleeved within the inner cavity of a second connecting pipe, and a second positioning groove formed on the outer wall of the second connecting pipe.
[0007] Preferably, a first sealing ring is detachably installed on the outer wall of the first connecting pipe and the second connecting pipe. A movable shaft is fixedly connected to one side of the first sealing ring, and a second sealing ring is movably connected to one side of the movable shaft. A first positioning block and a second positioning block are fixedly installed on the inner side of both the first sealing ring and the second sealing ring, and the second positioning block is located on one side of the first positioning block.
[0008] Preferably, a connecting hole is provided on one side of the second sealing ring, and a fixing seat is fixedly installed on one side of the outer wall of the second sealing ring. A slot is provided at one end of the fixing seat, and a locking hole is provided on both sides of the fixing seat.
[0009] Preferably, a fixing block is fixedly installed on one side of the outer wall of the first sealing ring, a movable plate is movably connected to one end of the fixing block, a clamping plate is fixedly installed on the inner side of the movable plate, a return spring is fixedly installed on both sides of the clamping plate, a clamping block is fixedly installed on one side of the return spring, and a connecting plate is fixedly installed on the other side of the first sealing ring.
[0010] Preferably, one side of the first connecting tube is tightly fitted with one side of the second connecting tube, the second positioning block is engaged with the inner cavity of the first positioning groove, and the first positioning block is engaged with the inner cavity of the second positioning groove.
[0011] Preferably, the card plate engages with the inner cavity of the card slot, and the card block engages with the inner cavity of the card hole.
[0012] Preferably, the connecting plate is engaged with the inner cavity of the connecting hole.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] This invention utilizes a design with a first and second sealing ring, combined with a movable shaft, to achieve a smooth connection between them. This simplifies the installation and disassembly of the sealing ring, eliminating the need for specialized tools and significantly improving assembly efficiency. The snap-fit design of the first and second positioning blocks with the first and second positioning grooves ensures a tight fit and stable connection between the connecting pipes. Furthermore, the snap-fit structure between the plate and groove, and between the block and hole, further enhances the overall stability, effectively preventing loosening due to vibration or material fatigue after prolonged use. The return spring design allows the block to flexibly adapt to different sized holes, enhancing installation compatibility and flexibility. This self-adaptive capability helps maintain effective sealing of the sealing ring under different operating conditions, improving the component's environmental adaptability. The snap-fit design between the connecting plate and the connecting hole further enhances the sealing performance between the sealing ring and the connecting pipe, effectively preventing media leakage, improving system safety and reliability, and enabling rapid installation and disassembly. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the overall structure of the snap-on sealing ring quick-installation assembly of this utility model;
[0016] Figure 2 This is a schematic diagram of the connecting pipe structure of the snap-on sealing ring quick-installation assembly of this utility model;
[0017] Figure 3 This is a schematic diagram of the sealing ring structure of the snap-on sealing ring quick-installation assembly of this utility model;
[0018] Figure 4 This is a schematic diagram of the second sealing ring structure of the snap-on sealing ring quick-installation assembly of this utility model;
[0019] Figure 5 This is a schematic diagram of the first sealing ring structure of the snap-on sealing ring quick-installation assembly of this utility model.
[0020] In the diagram: 1. First connecting pipe; 2. First positioning groove; 3. Connecting inner cylinder; 4. Second connecting pipe; 5. Second positioning groove; 6. First sealing ring; 7. Movable shaft; 8. Second sealing ring; 9. First positioning block; 10. Second positioning block; 11. Connecting hole; 12. Fixed seat; 13. Slot; 14. Slot; 15. Fixed block; 16. Movable plate; 17. Clamping plate; 18. Return spring; 19. Clamping block; 20. Connecting plate. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0022] Please see Figure 1-3 This utility model provides a technical solution: a snap-fit sealing ring quick-installation assembly, including a first connecting pipe 1, a first positioning groove 2 formed on the outer wall of the first connecting pipe 1, a connecting inner cylinder 3 fixedly connected to one side of the first connecting pipe 1, the outer wall of the connecting inner cylinder 3 sleeved within the inner cavity of a second connecting pipe 4, a second positioning groove 5 formed on the outer wall of the second connecting pipe 4, a first sealing ring 6 detachably installed on the outer walls of the first connecting pipe 1 and the second connecting pipe 4, a movable shaft 7 fixedly connected to one side of the first sealing ring 6, and a second sealing ring 8 movably connected to one side of the movable shaft 7. Through the design of the first sealing ring 6 and the second sealing ring 8, combined with the movable shaft 7, the movement of both is achieved. The connection makes the installation and removal of the sealing rings simpler, eliminating the need for special tools and greatly improving assembly efficiency. The first sealing ring 6 and the second sealing ring 8 are both fixedly installed with the first positioning block 9 and the second positioning block 10. The snap-fit design of the first positioning block 9 and the second positioning block 10 with the first positioning groove 2 and the second positioning groove 5 respectively ensures a tight fit and stable connection between the connecting pipes. The second positioning block 10 is located on one side of the first positioning block 9, and one side of the first connecting pipe 1 is tightly fitted with one side of the second connecting pipe 4. The second positioning block 10 is snap-fitted with the inner cavity of the first positioning groove 2, and the first positioning block 9 is snap-fitted with the inner cavity of the second positioning groove 5.
[0023] In this embodiment, as Figures 4-5As shown, a fixing block 15 is fixedly installed on one side of the outer wall of the first sealing ring 6. A movable plate 16 is movably connected to one end of the fixing block 15. A retaining plate 17 is fixedly installed on the inner side of the movable plate 16. Return springs 18 are fixedly installed on both sides of the retaining plate 17. A retaining block 19 is fixedly installed on one side of the return spring 18. The retaining plate 17 engages with the inner cavity of the retaining groove 13. The design of the return spring 18 allows the retaining block 19 to flexibly adapt to retaining holes 14 of different sizes, enhancing the compatibility and flexibility of installation. This self-adaptive ability helps to maintain the effective sealing of the sealing ring under different working conditions and improves the environmental adaptability of the component. The retaining block 19 engages with the inner cavity of the retaining hole 14. The retaining plate 17 engages with the retaining groove 13 and the retaining block 19. The snap-fit structure with the snap-fit hole 14 further enhances the overall stability and effectively prevents loosening caused by vibration or material fatigue after long-term use. A connecting plate 20 is fixedly installed on the other side of the first sealing ring 6. The connecting plate 20 snaps into the inner cavity of the connecting hole 11. The snap-fit design between the connecting plate 20 and the connecting hole 11 further enhances the sealing performance between the sealing ring and the connecting pipe, effectively prevents media leakage, improves the safety and reliability of the system, and enables quick installation and disassembly. A connecting hole 11 is opened on one side of the second sealing ring 8. A fixing seat 12 is fixedly installed on one side of the outer wall of the second sealing ring 8. A slot 13 is opened at one end of the fixing seat 12, and snap-fit holes 14 are opened on both sides of the fixing seat 12.
[0024] Working principle:
[0025] The design of the first sealing ring 6 and the second sealing ring 8, combined with the movable shaft 7, enables their movable connection, making the installation and disassembly of the sealing rings simpler and eliminating the need for special tools, thus greatly improving assembly efficiency. The snap-fit design of the first positioning block 9 and the second positioning block 10 with the first positioning groove 2 and the second positioning groove 5 respectively ensures a tight fit and stable connection between the connecting pipes. At the same time, the snap-fit structure of the snap-fit plate 17 with the snap-fit groove 13 and the snap-fit block 19 with the snap-fit hole 14 further enhances the overall stability and effectively prevents loosening caused by vibration or material fatigue after long-term use. The design of the return spring 18 allows the snap-fit block 19 to flexibly adapt to snap-fit holes 14 of different sizes, enhancing the compatibility and flexibility of installation. This self-adaptive ability helps maintain the effective sealing of the sealing ring under different working conditions, improving the environmental adaptability of the component. The snap-fit design of the connecting plate 20 with the connecting hole 11 further enhances the sealing performance between the sealing ring and the connecting pipe, effectively preventing media leakage, improving the safety and reliability of the system, and enabling rapid installation and disassembly.
[0026] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
Claims
1. A snap-fit sealing ring quick-installation assembly, comprising a first connecting pipe (1), characterized in that: The outer wall of the first connecting pipe (1) is provided with a first positioning groove (2), and a connecting inner cylinder (3) is fixedly connected to one side of the first connecting pipe (1). The outer wall of the connecting inner cylinder (3) is sleeved in the inner cavity of the second connecting pipe (4), and the outer wall of the second connecting pipe (4) is provided with a second positioning groove (5).
2. The snap-fit sealing ring quick-installation assembly according to claim 1, characterized in that: The outer walls of the first connecting pipe (1) and the second connecting pipe (4) are detachably equipped with a first sealing ring (6). A movable shaft (7) is fixedly connected to one side of the first sealing ring (6). A second sealing ring (8) is movably connected to one side of the movable shaft (7). A first positioning block (9) and a second positioning block (10) are fixedly installed on the inner sides of the first sealing ring (6) and the second sealing ring (8). The second positioning block (10) is located on one side of the first positioning block (9).
3. The snap-fit sealing ring quick-installation assembly according to claim 2, characterized in that: A connecting hole (11) is provided on one side of the second sealing ring (8), and a fixing seat (12) is fixedly installed on one side of the outer wall of the second sealing ring (8). A slot (13) is provided at one end of the fixing seat (12), and a locking hole (14) is provided on both sides of the fixing seat (12).
4. The snap-fit sealing ring quick-installation assembly according to claim 3, characterized in that: A fixing block (15) is fixedly installed on one side of the outer wall of the first sealing ring (6). A movable plate (16) is movably connected to one end of the fixing block (15). A clamping plate (17) is fixedly installed on the inner side of the movable plate (16). A return spring (18) is fixedly installed on both sides of the clamping plate (17). A clamping block (19) is fixedly installed on one side of the return spring (18). A connecting plate (20) is fixedly installed on the other side of the first sealing ring (6).
5. The snap-fit sealing ring quick-installation assembly according to claim 2, characterized in that: One side of the first connecting pipe (1) is tightly fitted with one side of the second connecting pipe (4), the second positioning block (10) is engaged with the inner cavity of the first positioning groove (2), and the first positioning block (9) is engaged with the inner cavity of the second positioning groove (5).
6. The snap-fit sealing ring quick-installation assembly according to claim 4, characterized in that: The card plate (17) engages with the inner cavity of the card slot (13), and the card block (19) engages with the inner cavity of the card hole (14).
7. The snap-fit sealing ring quick-installation assembly according to claim 4, characterized in that: The connecting plate (20) is engaged with the inner cavity of the connecting hole (11).