Redundant waterproof sealing structure of parking steel wire rope assembly
By introducing a multi-layer sealing ring structure into the parking wire rope assembly, the problem of the electronic parking brake assembly being susceptible to moisture intrusion is solved, achieving better waterproofing and assembly convenience.
Patent Information
- Application Number
- CN202422686165.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-09-02
- Estimated Expiration
- 2034-11-05
AI Technical Summary
The protective structure of the existing electronic parking brake assembly is susceptible to moisture intrusion and causes failure, and the existing sealing structure is not sufficient to effectively waterproof.
The parking wire rope assembly adopts a multi-layer sealing ring structure, including a first sealing ring, a second sealing ring and a third sealing ring, and a radial static seal is formed through threaded connections to enhance the waterproofing effect.
It realizes effective sealing of the parking wire rope assembly to prevent moisture from entering, has a simple structure and is convenient to assemble, and improves the overall waterproof performance.
Smart Images

Figure CN223294246U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field, in particular to a redundant waterproof sealing structure of a parking wire rope assembly. Background Art
[0002] Currently, most electronic parking brake assemblies on the market are directly connected to the parking rope assembly. Their protective structure is sealed and protected by sealing rings on both the electronic parking assembly and the parking rope assembly. Since the internal structure of the electronic parking brake assembly has a high risk of failure after water enters, a redundant waterproof sealing structure for the parking rope assembly is proposed. Utility Model Content
[0003] The purpose of the present utility model is to provide a redundant waterproof sealing structure of a parking wire rope assembly to solve the problems raised in the above background technology.
[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a redundant waterproof sealing structure of a parking wire rope assembly, comprising an electronic parking brake assembly, wherein the right end of the electronic parking brake assembly is fixedly connected to a guide column, and the right end of the guide column is provided with a parking wire rope assembly, and the parking wire rope assembly includes a sleeve, which is threadedly connected to the right end of the guide column, a joint is provided on the inner side of the sleeve, and a sealing ring is provided between the joint and the sleeve, a first groove is provided on the left end of the joint, a first sealing ring is provided on the inner side of the first groove, a second groove is provided in the middle part of the joint, and a second sealing ring is provided on the inner side of the second groove.
[0005] Preferably, a protective tube is fixedly provided at one end of the joint away from the guide column, and a steel wire rope is movably provided inside the protective tube.
[0006] Preferably, a third groove is formed at the right end of the guide column, and a third sealing ring is provided inside the third groove.
[0007] Preferably, a mounting groove is provided at the right end of the guide column, and the steel wire rope is fixedly connected to the inner side of the mounting groove.
[0008] Preferably, the sealing ring is rectangular in shape, and the first sealing ring, the second sealing ring, and the third sealing ring are all O-rings.
[0009] Compared with the prior art, the beneficial effects of the present invention are:
[0010] The utility model discloses that when in use, the first sealing ring and the second sealing ring are assembled on the joint to form a radial static seal with the screw sleeve. When the screw sleeve and the guide column are threadedly assembled and tightened, the sealing ring is squeezed to form an end face seal, thereby ensuring the waterproof effect of the sealing part of the parking wire rope assembly. The utility model has a simple structure, is easy to assemble, and has a reliable layout. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0012] Figure 2 It is a partial cross-sectional structural schematic diagram of the utility model;
[0013] Figure 3 This is a schematic diagram of the guide column structure of the utility model;
[0014] Figure 4 This is a schematic diagram of the joint structure of the present utility model.
[0015] In the figure: 1. Electronic parking brake assembly; 2. Guide column; 3. Parking wire rope assembly; 31. Threaded sleeve; 32. Connector; 33. Protective tube; 34. Wire rope; 4. Sealing ring; 5. First groove; 6. First sealing ring; 7. Second groove; 8. Second sealing ring; 9. Third groove; 10. Third sealing ring; 11. Mounting groove. DETAILED DESCRIPTION
[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0017] See also Figure 1-4 The utility model provides a technical solution: a redundant waterproof sealing structure of a parking wire rope assembly, including an electronic parking brake assembly 1, a guide column 2 threadedly connected to the right end of the electronic parking brake assembly 1, a parking wire rope assembly 3 installed at the right end of the guide column 2, the parking wire rope assembly 3 including a screw sleeve 31, the screw sleeve 31 is threadedly connected to the right end of the guide column 2, a joint 32 is installed on the inner side of the screw sleeve 31, a sealing ring 4 is placed between the joint 32 and the screw sleeve 31, a first groove 5 is opened at the left end of the joint 32, a first sealing ring 6 is sleeved on the inner side of the first groove 5, a second groove 7 is opened in the middle of the joint 32, and a second sealing ring 8 is sleeved on the inner side of the second groove 7.
[0018] The protective tube 33 is integrally formed at the end of the joint 32 away from the guide column 2 , and the steel wire rope 34 is passed through the inner side of the protective tube 33 .
[0019] The third groove 9 is formed at the right end of the guide post 2 , and the third sealing ring 10 is sleeved inside the third groove 9 .
[0020] The mounting groove 11 is provided at the right end of the guide column 2 , and the steel wire rope 34 is mounted inside the mounting groove 11 by means of bolts. The steel wire rope 34 moves axially inside the protective tube 33 to achieve parking and releasing.
[0021] The sealing ring 4 is rectangular in shape, and the first sealing ring 6, the second sealing ring 8, and the third sealing ring 10 are all O-rings.
[0022] Working principle: When the utility model is in use, the first sealing ring 6 and the second sealing ring 8 are assembled on the joint 32 to form a radial static seal with the screw sleeve 31. When the screw sleeve 31 is threadedly assembled and tightened with the guide column 2, the sealing ring 4 is squeezed to form an end face seal, ensuring the waterproof effect of the sealing part of the parking wire rope assembly. The utility model has a simple structure, easy assembly and reliable layout. It is easy to use and has good use effect.
[0023] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.
[0024] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A redundant waterproof sealing structure for a parking wire rope assembly, comprising an electronic parking brake assembly (1), characterized in that: The right end of the electronic parking brake assembly (1) is fixedly connected to a guide column (2), and the right end of the guide column (2) is provided with a parking wire rope assembly (3). The parking wire rope assembly (3) includes a screw sleeve (31), and the screw sleeve (31) is threadedly connected to the right end of the guide column (2). A joint (32) is provided on the inner side of the screw sleeve (31), and a sealing ring (4) is provided between the joint (32) and the screw sleeve (31). A first groove (5) is provided on the left end of the joint (32), and a first sealing ring (6) is provided on the inner side of the first groove (5). A second groove (7) is provided in the middle of the joint (32), and a second sealing ring (8) is provided on the inner side of the second groove (7).
2. The redundant waterproof sealing structure of the parking wire rope assembly according to claim 1, characterized in that: A protective tube (33) is fixedly provided at one end of the joint (32) away from the guide column (2), and a steel wire rope (34) is movably provided inside the protective tube (33).
3. The redundant waterproof sealing structure of the parking wire rope assembly according to claim 1, characterized in that: A third groove (9) is provided at the right end of the guide column (2), and a third sealing ring (10) is provided inside the third groove (9).
4. The redundant waterproof sealing structure of the parking wire rope assembly according to claim 2, characterized in that: The right end of the guide column (2) is provided with a mounting groove (11), and the steel wire rope (34) is fixedly connected to the inner side of the mounting groove (11).
5. The redundant waterproof sealing structure of the parking wire rope assembly according to claim 3, characterized in that: The sealing ring (4) is rectangular in shape, and the first sealing ring (6), the second sealing ring (8), and the third sealing ring (10) are all O-rings.