A combined rubber seal ring which is easily removed
Through structural design such as support frame, reinforcing ribs and sliding blocks, the problem of insufficient structural strength of combined rubber sealing rings under high pressure environment is solved, realizing uniform stress on sealing rings and convenient disassembly, ensuring stable operation of equipment and extending service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DONGGUAN RUBTOP METALS RUBBER CO LTD
- Filing Date
- 2025-07-18
- Publication Date
- 2026-07-03
AI Technical Summary
Existing composite rubber seals lack structural strength under high pressure, leading to excessive local pressure on the seals, excessive deformation, gap formation, and affecting the normal operation of the equipment.
The design incorporates a support frame, reinforcing ribs, sliding blocks, and locking blocks to enhance the structural strength of the sealing ring. The sliding blocks and locking blocks enable quick disassembly, ensuring uniform force distribution and easy removal of the sealing ring.
It improves the structural strength of the sealing ring, avoids local deformation, ensures stable sealing, reduces leakage risk, lowers maintenance costs, protects equipment integrity, and extends the life of the sealing ring.
Smart Images

Figure CN224453653U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of rubber sealing ring technology, specifically a modular rubber sealing ring that is easy to remove. Background Technology
[0002] Rubber sealing rings are annular sealing elements made of rubber material. They have excellent sealing performance, preventing liquid or gas leakage and resisting the intrusion of external impurities and environmental conditions. Composite rubber sealing rings are functional sealing devices made by combining two or more different materials (such as rubber with metal, plastic, etc.) through specific processes. Their core purpose is to achieve a comprehensive improvement in sealing performance, wear resistance, extrusion resistance, and high pressure resistance through material synergy. However, the installation of sealing rings is relatively inconvenient, and the sealing rings are difficult to disassemble when the end of the workpiece is difficult to open, which reduces the applicability and subsequent ease of use of the sealing rings.
[0003] To overcome the above-mentioned defects, the prior art (Chinese patent application number 202223047215.8, application date 2022-11-16) provides a conveniently installed splicing combination sealing ring, which consists of a first sealing gasket and a second sealing gasket. Both the first and second sealing gaskets have a semi-circular arc structure design, and they are joined together to form a complete sealing ring. An installation block is fixed inside the right cross-section of the first sealing gasket, and a mating groove is formed on the right surface of the installation block. A mating block is fixed on the left surface of the second sealing gasket, and the mating block and the mating groove form a concave-convex fit structure. The first and second sealing gaskets are connected by the connection of the mating block and the mating groove. This conveniently installed splicing combination sealing ring is provided with a first sealing gasket and a second sealing gasket that can be spliced together. The first and second sealing gaskets can be spliced together by the cooperation of the mating block and the mating groove, so that the sealing ring does not need to be removed during installation.
[0004] Under high pressure, sealing rings with insufficient structural strength are easily squeezed out of the sealing gap or torn. Strengthening the structural strength can increase the toughness and rigidity of the sealing ring, enabling it to withstand higher pressure without being squeezed out or torn. During use, the above-mentioned device cannot improve the structural strength of the combined rubber sealing ring, resulting in excessive local pressure when the combined rubber sealing ring is used. This causes excessive deformation of the rubber sealing ring, forming gaps at the sealing part, leading to complete sealing failure and affecting the normal operation of the equipment. Utility Model Content
[0005] The purpose of this invention is to provide a modular rubber sealing ring that is easy to remove, in order to solve the problem mentioned in the background art that the structural strength of the modular rubber sealing ring cannot be improved, resulting in excessive local pressure during the use of the modular rubber sealing ring, causing excessive deformation of the rubber sealing ring, forming gaps in the sealing part, leading to complete sealing failure, and affecting the normal operation of the equipment.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a removable modular rubber sealing ring, comprising an outer sealing rubber, a support frame fixedly connected inside the outer sealing rubber, the support frame being symmetrically distributed about the center of the outer sealing rubber, and a fixing plate fixedly connected to the surface of the support frame, the fixing plate being in contact with the inner wall of the outer sealing rubber; a connecting groove is provided inside the outer sealing rubber, and an inner sealing rubber is slidably connected to the inner wall of the outer sealing rubber, and a sealing groove is provided inside the inner sealing rubber, while a reinforcing rib is fixedly connected inside the inner sealing rubber; a locking block is fixedly connected to the lower outer end of the inner sealing rubber, and the locking block is slidably disposed inside the outer sealing rubber.
[0007] Preferably, a sliding block is slidably connected to the surface of the connecting groove, and a push plate is fixedly connected to the surface of the sliding block near the inner wall of the outer sealing rubber, and the push plate is slidably disposed on the surface of the connecting groove.
[0008] Preferably, a baffle is fixedly connected to the outer side of the sliding block, and a buffer spring is fixedly connected to one end of the baffle surface near the push plate.
[0009] Preferably, the other end of the buffer spring is fixedly connected to the outer sealing rubber, and the lower outer end of the outer sealing rubber is fixedly connected to a limiting rod, and the limiting rod is slidably connected through the baffle.
[0010] Preferably, a sealing lip is fixedly connected to the upper outer side of the inner sealing rubber, and the sealing lips are symmetrically distributed about the center of the inner sealing rubber, and the surface of the sealing lip is inclined.
[0011] Preferably, the inner sealing rubber has a sliding groove inside, and a No. 1 spring is fixedly connected to the surface of the sliding groove.
[0012] Preferably, the other end of the first spring is fixedly connected to the locking block, and the locking block is slidably disposed inside the inner sealing rubber, and the surface of the locking block is inclined.
[0013] Compared with the prior art, the beneficial effects of this utility model are: the easily removable combined rubber sealing ring adopts a novel structural design, the specific details of which are as follows:
[0014] (1) The easily removable combined rubber sealing ring improves the structural strength of the combined rubber sealing ring through the setting of reinforcing ribs and support frame, and can transmit pressure more evenly to the entire sealing ring, avoid excessive local stress, so that each part of the sealing ring can better fit the sealing surface, maintain a stable sealing state, and reduce the risk of leakage.
[0015] Furthermore, it can prevent excessive rubber flow, ensuring that the sealing ring is always in an effective sealing position, extending the service life of the combined rubber sealing ring, and reducing replacement costs.
[0016] (2) The easily removable combined rubber seal ring can be quickly disassembled by the set sliding block and locking block, which greatly saves the time spent on maintenance and improves work efficiency. At the same time, the quick disassembly of the rubber seal ring can reduce damage to the seal ring, extend the service life of the seal ring, and reduce replacement costs.
[0017] Furthermore, it can prevent accidental damage to the equipment caused by excessive force or tool collisions, protect the integrity of the equipment, and ensure that the equipment can operate stably.
[0018] (3) The easily removable combined rubber sealing ring, through the set sealing lip and sealing groove, can effectively reduce the impact of factors such as medium erosion and pressure fluctuation on the sealing performance, thereby extending the durability of the device seal, and can ensure that the sealing ring maintains a stable sealing state during long-term use, reducing the equipment maintenance cost and downtime. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the connection structure between the outer sealing rubber and the inner sealing rubber of this utility model.
[0020] Figure 2 This is a schematic diagram of the connection structure between the outer sealing rubber and the connecting groove of this utility model.
[0021] Figure 3 This is a schematic diagram of the connection structure between the inner sealing rubber and the sealing groove of this utility model.
[0022] Figure 4 This is a schematic diagram of the connection structure between the fixing plate and the support frame of this utility model.
[0023] Figure 5 This is a schematic diagram of the connection structure between the sliding block and the push plate of this utility model.
[0024] Figure 6 This is a schematic diagram of the connection structure between the inner sealing rubber and the reinforcing rib of this utility model.
[0025] Figure 7This is a schematic diagram of the connection structure between the locking block and the No. 1 spring of this utility model.
[0026] In the diagram: 1. Outer sealing rubber; 2. Support frame; 3. Fixing plate; 4. Connecting groove; 5. Sliding block; 6. Push plate; 7. Baffle; 8. Limiting rod; 9. Buffer spring; 10. Inner sealing rubber; 11. Sealing groove; 12. Sealing lip; 13. Reinforcing rib; 14. Sliding groove; 15. No. 1 spring; 16. Engaging block. Detailed Implementation
[0027] 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.
[0028] Example 1: By using the support frame 2, fixing plate 3, and reinforcing rib 13, the structural strength of the combined rubber sealing ring is improved, and the pressure can be transmitted more evenly to the entire sealing ring, avoiding excessive local stress. Figures 1-3 As shown: It includes an outer sealing rubber 1, a support frame 2 fixedly connected inside the outer sealing rubber 1, and the support frame 2 is symmetrically distributed about the center of the outer sealing rubber 1. A fixing plate 3 is fixedly connected to the surface of the support frame 2, and the fixing plate 3 is in contact with the inner wall of the outer sealing rubber 1. A connecting groove 4 is opened inside the outer sealing rubber 1, and an inner sealing rubber 10 is slidably connected to the inner wall of the outer sealing rubber 1. A sealing groove 11 is opened inside the inner sealing rubber 10, and a reinforcing rib 13 is fixedly connected inside the inner sealing rubber 10. A locking block 16 is fixedly connected to the lower outer end of the inner sealing rubber 10, and the locking block 16 is slidably disposed inside the outer sealing rubber 1.
[0029] Workers connect the inner sealing rubber 10 and the outer sealing rubber 10 using the engaging block 16 on the outside of the inner sealing rubber 10 and the connecting groove 4 inside the outer sealing rubber 1. Then, the workers install the assembled combined rubber sealing ring at the sealing position of the equipment, ensuring the sealing ring is correctly positioned. Simultaneously, the support frame 2 and fixing plate 3 inside the outer sealing rubber 1 effectively disperse external pressure and prevent excessive deformation of the outer sealing rubber 1, thereby improving the overall structural strength of the sealing ring. The reinforcing ribs 13 inside the inner sealing rubber 10 enhance its rigidity, enabling it to better withstand pressure, prevent deformation, and improve the structural strength of the combined rubber sealing ring. Furthermore, the sealing lip 12 and sealing groove 11 effectively reduce the impact of media erosion and pressure fluctuations on sealing performance, thus extending the durability of the device's seal and ensuring that the sealing ring maintains a stable sealing state during long-term use, reducing equipment maintenance costs and downtime.
[0030] In Example 2, unlike Example 1, the push plate 6, baffle 7, and limiting rod 8 allow the inner sealing rubber 10 and outer sealing rubber 1 to separate quickly, reducing damage to the sealing ring and extending its service life. Figures 4-5 As shown: A sliding block 5 is slidably connected to the surface of the connecting groove 4, and a push plate 6 is fixedly connected to the surface of the sliding block 5 near the inner wall of the outer sealing rubber 1. The push plate 6 is slidably disposed on the surface of the connecting groove 4. A baffle 7 is fixedly connected to the outer side of the sliding block 5, and a buffer spring 9 is fixedly connected to one end of the surface of the baffle 7 near the push plate 6. The other end of the buffer spring 9 is fixedly connected to the outer sealing rubber 1, and a limit rod 8 is fixedly connected to the lower outer side of the outer sealing rubber 1. The limit rod 8 is slidably connected through the baffle 7.
[0031] When disassembling the inner sealing rubber 10 and the outer sealing rubber 1, the worker presses the sliding block 5 on the outer side of the outer sealing rubber 1, as shown. Figure 5 As shown, the sliding block 5 slides on the surface of the connecting groove 4 inside the outer sealing rubber 1. When the push plate 6 on the surface of the sliding block 5 contacts the engaging block 16, the push plate 6 pushes the engaging block 16 to slide on the surface of the sliding groove 14, and the buffer spring 9 on the surface of the baffle 7 retracts towards the surface of the outer sealing rubber 1. When the engaging block 16 is fully inserted into the sliding groove 14, as shown... Figure 7 As shown, pulling the inner sealing rubber 10 separates the inner sealing rubber 10 from the sealing rubber, which greatly improves the working efficiency of the device and can avoid accidental damage to the equipment caused by excessive force or tool collision, protect the integrity of the equipment, and ensure that the equipment can operate stably.
[0032] In Example 3, unlike Example 2, a quick connection between the inner sealing rubber 10 and the outer sealing rubber 1 is achieved through the use of a first spring 15, a sliding groove 14, and a locking block 16. This greatly saves maintenance time and improves work efficiency. Figures 6-7 As shown: A sealing lip 12 is fixedly connected to the upper outer side of the inner sealing rubber 10, and the sealing lip 12 is symmetrically distributed about the center of the inner sealing rubber 10. The surface of the sealing lip 12 is inclined. A sliding groove 14 is opened inside the inner sealing rubber 10, and a first spring 15 is fixedly connected to the surface of the sliding groove 14. A locking block 16 is fixedly connected to the other end of the first spring 15. The locking block 16 is slidably disposed inside the inner sealing rubber 10, and the surface of the locking block 16 is inclined.
[0033] When connecting the inner sealing rubber 10 and the outer sealing rubber 1, the operator positions the inner sealing rubber 10 and the outer sealing rubber 1 in a vertically parallel state. Then, the operator presses the inner sealing rubber 10, causing it to slide towards the inner wall of the outer sealing rubber 1. Figure 1 As shown, when the engaging block 16 on the outer side of the inner sealing rubber 10 comes into contact with the outer sealing rubber 1, the outer sealing rubber 1 pushes the engaging block 16 to slide on the surface of the sliding groove 14, and causes the first spring 15 on the surface of the engaging block 16 to contract towards the surface of the inner sealing rubber 10, as shown. Figure 7 As shown, this allows the inner sealing rubber 10 to slide along the inner wall of the outer sealing rubber 1. When the sealing lip 12 at the upper end of the inner sealing rubber 10 is in contact with the upper surface of the outer sealing rubber 1, as... Figure 6 As shown, spring 15 pushes the locking block 16, causing the locking block 16 to slide onto the surface of the inner connecting groove 4 of the outer sealing rubber 1. This completes the connection between the inner sealing rubber 10 and the outer sealing rubber 1, which not only shortens the time spent installing the combined rubber seal ring, but also reduces the friction between the combined rubber seal rings, effectively extending the service life of the combined rubber seal ring.
[0034] The above is the entire working process of the device, and all contents not described in detail in this specification are existing technologies known to those skilled in the art.
[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A modular rubber sealing ring that is easy to remove, comprising an outer sealing rubber (1), wherein a support frame (2) is fixedly connected inside the outer sealing rubber (1), and the support frame (2) is symmetrically distributed about the center of the outer sealing rubber (1), and a fixing plate (3) is fixedly connected to the surface of the support frame (2), and the fixing plate (3) is in contact with the inner wall of the outer sealing rubber (1); Its features are: The outer sealing rubber (1) has a connecting groove (4) inside, and the inner sealing rubber (10) is slidably connected to the inner wall of the outer sealing rubber (1), and the inner sealing rubber (10) has a sealing groove (11) inside, and the inner sealing rubber (10) is fixedly connected to a reinforcing rib (13). The lower outer side of the inner sealing rubber (10) is fixedly connected to a locking block (16), and the locking block (16) is slidably disposed inside the outer sealing rubber (1).
2. A combination rubber seal ring according to claim 1, wherein: A sliding block (5) is slidably connected to the surface of the connecting groove (4), and a push plate (6) is fixedly connected to the surface of the sliding block (5) near the inner wall of the outer sealing rubber (1), and the push plate (6) is slidably disposed on the surface of the connecting groove (4).
3. A combination rubber seal ring for easy removal according to claim 2, characterized in that: A baffle (7) is fixedly connected to the outside of the sliding block (5), and a buffer spring (9) is fixedly connected to one end of the surface of the baffle (7) near the push plate (6).
4. A combination rubber seal ring according to claim 3, wherein: The buffer spring (9) is fixedly connected to the outer sealing rubber (1) at the other end, and the lower outer side of the outer sealing rubber (1) is fixedly connected to the limiting rod (8), and the limiting rod (8) is slidably connected to the baffle (7).
5. The combination rubber seal ring of claim 1, wherein: The upper outer side of the inner sealing rubber (10) is fixedly connected to a sealing lip (12), and the sealing lip (12) is symmetrically distributed about the center of the inner sealing rubber (10), and the surface of the sealing lip (12) is inclined.
6. A combination rubber seal ring according to claim 5, wherein: The inner sealing rubber (10) has a sliding groove (14) inside, and a spring (15) is fixedly connected to the surface of the sliding groove (14).
7. A combination rubber seal ring for easy removal according to claim 6, characterized in that: The other end of the first spring (15) is fixedly connected to the locking block (16), and the locking block (16) is slidably disposed inside the inner sealing rubber (10), and the surface of the locking block (16) is inclined.