A type of anti-loosening rubber seal
By designing an adjustable-length rubber seal, the problems of seal loosening and expansion/contraction adjustment were solved, achieving a stable connection of the seal and improving the sealing effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHANGJIAKOU TIMES RUBBER PROD CO LTD
- Filing Date
- 2025-06-30
- Publication Date
- 2026-05-26
Smart Images

Figure CN224283452U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of rubber seal technology, specifically to a rubber seal that prevents loosening. Background Technology
[0002] Rubber seals are key components used to prevent fluid leakage, prevent external impurities from entering the equipment, and achieve sealed connections between equipment parts. Bearing seals are designed to prevent lubricant leakage and block external contaminants from entering, playing an important role in protecting bearings, ensuring normal equipment operation, and reducing noise.
[0003] A high-speed railway bearing protection device with patent application number 202122710503.6 protects the bearing by adding a protective cover, which can prevent the seal from being bumped during transportation and prevent the bearing from falling apart during handling. However, in use, the protective cover is simply placed on the outside of the bearing. During equipment operation, it is easy to displace due to vibration, impact or inertial force. Over time, it may loosen and affect the sealing effect. At the same time, some seals are of fixed length, which is not convenient to adjust the extension length of the seal according to the connection and installation requirements, which has certain limitations in use. Utility Model Content
[0004] The purpose of this invention is to provide a rubber seal that prevents loosening, thereby solving the problems of loosening of the seal and the difficulty in adjusting its extension and retraction.
[0005] To achieve the above objectives, this utility model provides the following technical solution: an anti-loosening rubber seal, comprising a first sealing sleeve, and further comprising:
[0006] A second sealing sleeve is provided at one end of the first sealing sleeve, and a fixing block is fixedly connected to the outside of the second sealing sleeve;
[0007] A telescopic assembly is provided inside the second sealing sleeve. The telescopic assembly includes an extension sleeve provided inside the second sealing sleeve. A fixing plate is fixedly connected to one side of the fixing block. A fixing hole is provided inside the fixing plate.
[0008] A stabilizing component is disposed on the outside of the first sealing sleeve. The stabilizing component includes a first fixing ring disposed on the outside of the first sealing sleeve. Both ends of the first fixing ring are slidably connected to support rods, and the outside of the support rods are slidably connected to a second fixing ring.
[0009] Preferably, a positioning plate is provided on the outer side of the fixing plate, and a fixing bolt is provided inside the positioning plate.
[0010] Preferably, one side of the positioning plate is fixedly connected to one side of the fixing block, and one end of the fixing block is fixedly connected to the outer side of the first sealing sleeve.
[0011] Preferably, a limiting ring is fixedly connected to the inner side of the first sealing sleeve, and a first connecting ring is fixedly connected to one end of the extension sleeve.
[0012] Preferably, a second connecting ring is fixedly connected to the other end of the extension sleeve, and the outer side of the second connecting ring is fixedly connected to the inner side of the second sealing sleeve.
[0013] Preferably, both ends of the support rod are fixedly connected to a first support plate, and both ends of the first support plate are fixedly connected to a second support plate.
[0014] Preferably, the second fixing ring has a bolt inside, and the bolt is threaded with a first nut on its outer side.
[0015] Preferably, a threaded rod is fixedly connected to one side of the second support plate, and a second nut is threadedly connected to the outer side of the threaded rod.
[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0017] This utility model enhances the flexibility of use by incorporating a telescopic component to facilitate the adjustment of the overall length of the first sealing sleeve, the extension sleeve, and the second sealing sleeve as needed. The movement of the second sealing sleeve causes the extension sleeve to move inside the first sealing sleeve, and with the cooperation of the first connecting ring and the limiting ring, detachment and leakage are prevented. The fixing plate, positioning plate, fixing hole, and fixing bolt provide positional fixation. The stabilizing component allows for easy clamping and fixing of the first and second sealing sleeves to the outside of the bearing and their mounting points, respectively, thus preventing loosening. The cooperation of two sets of first fixing rings, second fixing rings, support rods, etc., wraps and fixes the first and second sealing sleeves, conveniently enhancing the stabilizing effect. Attached Figure Description
[0018] Figure 1 A schematic diagram of a preferred embodiment of the anti-loosening rubber seal provided by this utility model;
[0019] Figure 2 A schematic diagram of the telescopic component structure provided by this utility model;
[0020] Figure 3 A schematic diagram of the limiting ring and the first connecting ring provided by this utility model;
[0021] Figure 4 A schematic diagram of the stable component structure provided by this utility model.
[0022] In the diagram: 1. First sealing sleeve; 2. Second sealing sleeve; 3. Fixing block; 4. Telescopic assembly; 41. Extension sleeve; 42. Fixing plate; 43. Fixing hole; 5. Stabilizing assembly; 51. First fixing ring; 52. Support rod; 53. Second fixing ring; 6. Positioning plate; 7. Fixing bolt; 8. Limiting ring; 9. First connecting ring; 10. Second connecting ring; 11. First support plate; 12. Second support plate; 13. Bolt; 14. First nut; 15. Threaded rod; 16. Second nut. Detailed Implementation
[0023] 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.
[0024] Please see Figure 1-4 As shown, an anti-loosening rubber seal includes a first sealing sleeve 1, a second sealing sleeve 2 disposed at one end of the first sealing sleeve 1, a fixing block 3 fixedly connected to the outer side of the second sealing sleeve 2, and fixing blocks 3 fixed to the outer sides of both the first sealing sleeve 1 and the second sealing sleeve 2; a telescopic component 4 disposed inside the second sealing sleeve 2, the telescopic component 4 including an extension sleeve 41 disposed inside the second sealing sleeve 2, a fixing plate 42 fixedly connected to one side of the fixing block 3, the fixing plate 42 being fixed and supported by the two fixing blocks 3 fixed to the outer side of the second sealing sleeve 2, and a fixing hole 43 provided inside the fixing plate 42. Multiple fixing holes 43 are provided for flexible use according to needs; a stabilizing component 5 is provided on the outside of the first sealing sleeve 1. The stabilizing component 5 includes a first fixing ring 51 provided on the outside of the first sealing sleeve 1. Both ends of the first fixing ring 51 are slidably connected to support rods 52. A second fixing ring 53 is slidably connected to the outside of the support rods 52. The first sealing sleeve 1 and the second sealing sleeve 2 are both provided with first fixing rings 51 and second fixing rings 53. Under the action of the support rods 52, it is easy to adjust the distance between the two sets of first fixing rings 51 and second fixing rings 53 respectively, so as to clamp and fix the first sealing sleeve 1 and the second sealing sleeve 2 respectively.
[0025] refer to Figure 1 , Figure 2 and Figure 3As shown, a positioning plate 6 is provided on the outer side of the fixing plate 42, and a fixing bolt 7 is provided inside the positioning plate 6. One side of the positioning plate 6 is fixedly connected to one side of the fixing block 3, and one end of the fixing block 3 is fixedly connected to the outer side of the first sealing sleeve 1. The two positioning plates 6 are fixed by the two fixing blocks 3 on the outer side of the first sealing sleeve 1. The fixing plate 42 is placed between the two positioning plates 6. At the same time, the two positioning plates 6 are provided with corresponding fixing holes 43. The fixing bolt 7 can fix the positioning plate 6 and the fixing plate 42 through the fixing holes 43 at the positioning plate 6 and the fixing plate 42, thereby fixing the position of the fixing plate 42 and preventing the fixing plate 42 and the second sealing sleeve 2 from moving uncontrollably. A limit ring 8 is fixedly connected to the inner side of the first sealing sleeve 1. The inner side of the limit ring 8 is slidably connected to the outer side of the extension sleeve 41. One end of the extension sleeve 41 is fixedly connected to a first connecting ring 9, and the other end of the extension sleeve 41 is fixedly connected to a second connecting ring 10. The outer side of the second connecting ring 10 is fixedly connected to the inner side of the second sealing sleeve 2. The extension sleeve 41 can drive the first connecting ring 9 to slide inside the first sealing sleeve 1, and the position of the first connecting ring 9 is restricted by the limiting ring 8, which effectively prevents the first connecting ring 9 from separating from the first sealing sleeve 1. Under the action of the limiting ring 8, the connection between the first connecting ring 9 and the first sealing sleeve 1 is blocked and sealed, thereby enhancing the sealing effect. The extension sleeve 41 is fixed inside the second sealing sleeve 2 by the second connecting ring 10. When the second sealing sleeve 2 is moved, it is convenient to drive the extension sleeve 41 to move inside the first sealing sleeve 1, thereby adjusting the overall length of the first sealing sleeve 1, the extension sleeve 41 and the second sealing sleeve 2.
[0026] refer to Figure 1 and Figure 4 As shown, both ends of the support rod 52 are fixedly connected to a first support plate 11. The two first support plates 11 support and fix the two support rods 52. Both ends of the first support plate 11 are fixedly connected to a second support plate 12, which serves to connect and stabilize the rods. A bolt 13 is provided inside the second fixing ring 53, and a first nut 14 is threaded onto the outside of the bolt 13. The cooperation of the bolt 13 and the first nut 14 facilitates the fixing of both ends of the first fixing ring 51 and the second fixing ring 53, achieving a clamping and stable effect. A threaded rod 15 is fixedly connected to one side of the support plate 12. The two threaded rods 15 facilitate the connection and support of the two sets of second support plates 12. The threaded rod 15 is slidably connected to the second support plate 12 at the second sealing sleeve 2. When the position of the second sealing sleeve 2 is adjusted, the movement of the second support plate 12, support rod 52, etc. at the second sealing sleeve 2 is controlled, thereby adjusting the position and facilitating the fixation of the second sealing sleeve 2. The outer side of the threaded rod 15 is threaded with a second nut 16. The two sets of second nuts 16 facilitate the fixation of the position of the second support plate 12 at the second sealing sleeve 2.
[0027] Working principle: During use, the outer side of the second connecting ring 10 is fixedly connected to the inner side of the second sealing sleeve 2. When the second sealing sleeve 2 is pulled, under the connection and fixation of the second connecting ring 10, the extension sleeve 41 drives the first connecting ring 9 to move inside the first sealing sleeve 1. The position of the first connecting ring 9 is restricted by the limiting ring 8, effectively preventing the first connecting ring 9 from separating from the first sealing sleeve 1. Under the action of the limiting ring 8, the connection between the first connecting ring 9 and the first sealing sleeve 1 is blocked and sealed, promoting the sealing effect. The extension sleeve 41 is moved inside the first sealing sleeve 1 by the second sealing sleeve 2, thereby adjusting the overall length of the first sealing sleeve 1, the extension sleeve 41 and the second sealing sleeve 2, which is convenient for flexible adjustment according to installation requirements and enhances practicality. When the second sealing sleeve 2 moves, under the support of the two fixing blocks 3, the fixing plate 42 moves under the limitation of the two positioning plates 6. After the overall length is determined, the fixing plate 42 and the positioning plate 6 are connected by the cooperation of the fixing bolt 7 and the fixing hole 43. The first sealing sleeve 1, extension sleeve 41, and second sealing sleeve 2 are fixed, thus effectively preventing uncontrolled movement of the second sealing sleeve 2 and enhancing the connection stability of the first sealing sleeve 1, extension sleeve 41, and second sealing sleeve 2. The internal connections of the first sealing sleeve 1, extension sleeve 41, and second sealing sleeve 2 are interconnected, facilitating the connection between the bearing and its mounting location. Supported by two threaded rods 15, the second support plate 12 at the second sealing sleeve 2 is adjusted to a suitable position according to its position and fixed by two sets of second nuts 16. The first fixing ring 51 and the second fixing ring 53 are moved up and down by the support rod 52, so that the two sets of first fixing rings 51 and second fixing rings 53 wrap around the outside of the first sealing sleeve 1 and the second sealing sleeve 2. The first fixing rings 51 and the second fixing rings 53 are fixed by the cooperation of multiple sets of bolts 13 and first nuts 14, thus facilitating the fixing of the first sealing sleeve 1 and the second sealing sleeve 2 to the outside of the bearing and its mounting location, respectively. The operation is simple and convenient, effectively enhancing the stability and preventing loosening.
[0028] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0029] 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. An anti-loosening rubber seal comprising a first seal sleeve, characterized in that, Also includes: A second sealing sleeve is provided at one end of the first sealing sleeve, and a fixing block is fixedly connected to the outside of the second sealing sleeve; A telescopic assembly is provided inside the second sealing sleeve. The telescopic assembly includes an extension sleeve provided inside the second sealing sleeve. A fixing plate is fixedly connected to one side of the fixing block. A fixing hole is provided inside the fixing plate. A stabilizing component is disposed on the outside of the first sealing sleeve. The stabilizing component includes a first fixing ring disposed on the outside of the first sealing sleeve. Both ends of the first fixing ring are slidably connected to support rods, and the outside of the support rods are slidably connected to second fixing rings.
2. A self-locking rubber seal according to claim 1, wherein: A positioning plate is provided on the outer side of the fixing plate, and a fixing bolt is provided inside the positioning plate.
3. A self-locking rubber seal according to claim 2, wherein: One side of the positioning plate is fixedly connected to one side of the fixing block, and one end of the fixing block is fixedly connected to the outside of the first sealing sleeve.
4. The anti-loosening rubber seal according to claim 1, characterized in that: A limit ring is fixedly connected to the inner side of the first sealing sleeve, and a first connecting ring is fixedly connected to one end of the extension sleeve.
5. The anti-loosening rubber seal according to claim 1, characterized in that: The other end of the extension sleeve is fixedly connected to a second connecting ring, and the outer side of the second connecting ring is fixedly connected to the inner side of the second sealing sleeve.
6. The anti-loosening rubber seal according to claim 1, characterized in that: Both ends of the support rod are fixedly connected to a first support plate, and both ends of the first support plate are fixedly connected to a second support plate.
7. The anti-loosening rubber seal according to claim 1, characterized in that: The second fixing ring has a bolt inside, and the bolt is threaded with a first nut on its outer side.
8. The anti-loosening rubber seal according to claim 6, characterized in that: A threaded rod is fixedly connected to one side of the second support plate, and a second nut is threadedly connected to the outer side of the threaded rod.