High-pressure oil pipe joint with reinforced sealing treatment
By introducing a combination structure of sealing mounting groove and sealing mounting ring in the high-pressure oil pipe joint, and combining it with the design of limit block and mounting slider, the problem of easy oil leakage in high-pressure oil pipe joints is solved, and higher sealing performance and stability are achieved.
Patent Information
- Application Number
- CN202520107477.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2035-01-16
AI Technical Summary
Existing high-pressure oil pipe joints are prone to oil leakage after prolonged use, affecting the normal operation and efficiency of the high-pressure oil circuit system.
The design employs a combination of a sealing mounting groove and a sealing mounting ring, with the mating ring fixed by adhesive. Combined with the design of a limiting block and a mounting slider, it enhances sealing performance and stability.
It effectively avoids oil leakage, improves the practicality and efficiency of high-pressure oil pipe joints, and increases stability during use.
Smart Images

Figure CN223648807U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of high-pressure oil pipe joint technology, specifically a high-pressure oil pipe joint with enhanced sealing treatment. Background Technology
[0002] High-pressure fuel line connectors are joints that connect high-pressure fuel lines and fuel injectors, primarily used for transmitting high-pressure fuel. They are widely used in various high-pressure fuel systems, especially in the automotive and construction machinery industries. Selecting the appropriate connector type and material is crucial for ensuring the normal operation and safety of high-pressure fuel systems. However, existing high-pressure fuel line connectors still have the following shortcomings:
[0003] For example, the utility model with publication number CN221762860U discloses a high-pressure oil pipe joint. This utility model achieves better tight installation and convenient disassembly of the oil pipe through a convenient installation structure, thereby achieving better practicality and stability. At the same time, the multi-protection structure of the connector provides better wear resistance, waterproofing and corrosion resistance to the connector, thereby achieving the purpose of high-strength use. However, similar to the above-mentioned prior art, when using existing high-pressure oil pipe joints, most high-pressure oil pipe joints only use a single structure for sealing treatment, which makes them prone to oil leakage after long-term use. This affects the normal operation of the high-pressure oil circuit system, resulting in a decrease in the practicality and efficiency of the high-pressure oil pipe joint.
[0004] Therefore, in view of this, we have studied and improved the existing structure and its shortcomings, and proposed a high-pressure oil pipe joint with enhanced sealing treatment. Utility Model Content
[0005] The purpose of this invention is to provide a high-pressure oil pipe joint with enhanced sealing treatment to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a high-pressure oil pipe joint with enhanced sealing treatment, comprising a connecting seat body and a sealing mounting groove. The connecting seat body has a mating groove at its front end and a mounting joint body connected to the middle of its interior. A pipe nut is provided at the rear end of the mounting joint body, and a mating ring is provided on the outside of the mounting joint body at the front end of the pipe nut. A sealing mounting groove is provided at the front end of the mounting joint body, and a sealing mounting ring is connected inside the sealing mounting groove. A first mounting groove is provided at both ends of the outside of the connecting seat body, and a second mounting groove is provided at both ends of the outside of the pipe nut. A mounting slider is connected inside the second mounting groove, and a limit block body is provided outside the mounting slider.
[0007] Furthermore, the outer side of the connecting seat body and the outer side of the pipe nut are horizontally distributed, and the outer side of the connecting seat body and the outer side of the pipe nut are closely fitted together.
[0008] Furthermore, the internal dimensions of the docking groove are adapted to the external dimensions of the docking ring, and the docking ring is embeddedly connected to the main body of the connecting seat through the docking groove.
[0009] Furthermore, the mounting joint body and the pipe connection nut are arranged perpendicularly, and the mounting joint body and the pipe connection nut are fixedly connected.
[0010] Furthermore, the internal dimensions of the sealing mounting groove are adapted to the external dimensions of the sealing mounting ring, and the sealing mounting ring is connected to the mounting joint body through the sealing mounting groove.
[0011] Furthermore, the internal dimensions of the first mounting groove are adapted to the external dimensions of the mounting slider, and the mounting slider is slidably connected to the main body of the connecting seat through the first mounting groove.
[0012] Furthermore, the internal dimensions of the second mounting groove are adapted to the external dimensions of the mounting slider, and the mounting slider is connected to the pipe nut through the second mounting groove.
[0013] Furthermore, the internal dimensions of the limiting block body are adapted to the external dimensions of the pipe nut, and the pipe nut and the limiting block body are embedded in each other.
[0014] This utility model provides a high-pressure oil pipe joint with enhanced sealing treatment, which has the following beneficial effects:
[0015] 1. This utility model, through the setting of a sealing installation groove, enables the use of a high-pressure oil pipe joint with enhanced sealing treatment. The mating ring is fixed to the inside of the pipe fitting nut using adhesive, and the main body of the installation joint is rotated and installed into the main body of the connector. The mating ring, in conjunction with the mating groove, improves the sealing performance of the installation joint after installation. Simultaneously, a sealing installation groove is provided at the front end of the installation joint main body, allowing a sealing ring to be installed on the outside of the installation joint main body. This sealing ring further enhances the sealing performance of the installation joint after installation. The combination of the mating ring and the sealing ring strengthens the sealing treatment, preventing oil leakage and improving the overall practicality and efficiency of the high-pressure oil pipe joint.
[0016] 2. By setting the limiting block body, this utility model can fix the mounting slider inside the two ends of the limiting block body by welding when using the high-pressure oil pipe joint with enhanced sealing treatment. The mounting slider cooperates with the second mounting groove to slide the limiting block body on the outside of the pipe nut, and cooperates with the first mounting groove to slide the limiting block body on the outside of the connecting seat body. The limiting block body limits the connecting seat body and the pipe nut, thereby preventing the pipe nut from loosening or coming off after being tightened, and improving the stability of the high-pressure oil pipe joint during use. Attached Figure Description
[0017] Figure 1 This is a three-dimensional structural diagram of a high-pressure oil pipe joint with enhanced sealing treatment according to the present invention;
[0018] Figure 2 This is a three-dimensional unfolded structural diagram of the sealing ring of a high-pressure oil pipe joint with enhanced sealing treatment according to this utility model;
[0019] Figure 3 This is a three-dimensional cross-sectional view of the limiting block of a high-pressure oil pipe joint with enhanced sealing treatment according to this utility model.
[0020] In the diagram: 1. Connector body; 2. Connecting groove; 3. Mounting connector body; 4. Pipe nut; 5. Connecting ring; 6. Sealing mounting groove; 7. Sealing mounting ring; 8. First mounting slide; 9. Second mounting slide; 10. Mounting slider; 11. Limiting block body. Detailed Implementation
[0021] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.
[0022] like Figures 1 to 3As shown, a high-pressure oil pipe joint with enhanced sealing includes a connecting seat body 1 and a sealing mounting groove 6. A mating groove 2 is formed at the front end of the connecting seat body 1, and a mounting joint body 3 is connected to the middle of the connecting seat body 1. A pipe nut 4 is provided at the rear end of the mounting joint body 3, and a mating ring 5 is provided on the outside of the mounting joint body 3 at the front end of the pipe nut 4. A sealing mounting groove 6 is formed at the front end of the mounting joint body 3, and a sealing mounting ring 7 is connected inside the sealing mounting groove 6. The outer sides of the connecting seat body 1 and the pipe nut 4 are horizontally distributed, and the outer sides of the connecting seat body 1 and the pipe nut 4 are tightly fitted. The internal dimensions of the mating groove 2 are adapted to the external dimensions of the mating ring 5, and the mating ring 5 is embeddedly connected to the connecting seat body 1 through the mating groove 2. The mounting joint body 3 and the pipe nut 4 are vertically distributed, and the mounting joint body 3 and the pipe nut 4 are fixedly connected. The internal dimensions of the sealing mounting groove 6 are adapted to the external dimensions of the sealing mounting ring 7. The dimensions of the parts are compatible, and the sealing ring 7 is connected to the mounting joint body 3 through the sealing mounting groove 6. The mating ring 5 is fixedly installed inside the pipe nut 4 by adhesive. At the same time, the external dimensions of the mating ring 5 are compatible with the internal dimensions of the mating groove 2 opened at the front end of the connecting seat body 1. The mounting joint body 3 is rotated and installed into the connecting seat body 1. Thus, the mating ring 5 and the mating groove 2 improve the sealing performance of the mounting joint body 3 after installation. At the same time, a sealing mounting groove 6 is opened at the front end of the mounting joint body 3, and the internal dimensions of the sealing mounting groove 6 are compatible with the external dimensions of the sealing ring 7. Thus, the sealing ring 7 is installed on the outside of the mounting joint body 3 through the sealing mounting groove 6, thereby further improving the sealing performance of the mounting joint body 3 after installation. The mating ring 5 and the sealing ring 7 strengthen the sealing treatment, prevent oil leakage of the joint, and improve the overall practicality and efficiency of the high-pressure oil pipe joint.
[0023] like Figures 1 to 3As shown, the connecting seat body 1 has first mounting grooves 8 at both ends of its outer surface, and the pipe nut 4 has second mounting grooves 9 at both ends of its outer surface. A mounting slider 10 is connected inside the second mounting groove 9, and a limiting block body 11 is provided outside the mounting slider 10. The internal dimensions of the first mounting groove 8 are adapted to the external dimensions of the mounting slider 10, and the mounting slider 10 is slidably connected to the connecting seat body 1 via the first mounting groove 8. The internal dimensions of the second mounting groove 9 are adapted to the external dimensions of the mounting slider 10, and the mounting slider 10 is connected to the pipe nut 4 via the second mounting groove 9. The internal dimensions of the limiting block body 11 are adapted to the external dimensions of the pipe nut 4, and the pipe nut 4 and the limiting block body 11 are embedded in each other and connected by welding. The mounting slider 10 is fixedly installed inside both ends of the limiting block body 11. The external dimensions of the mounting slider 10 are adapted to the internal dimensions of the second mounting grooves 9 opened at both ends of the pipe nut 4. At the same time, the external dimensions of the mounting slider 10 are adapted to the internal dimensions of the first mounting grooves 8 opened at both ends of the connecting seat body 1. Thus, the limiting block body 11 is slidably installed outside the pipe nut 4 by the mounting slider 10 in conjunction with the second mounting grooves 9 and the first mounting grooves 8. The limiting block body 11 limits the connecting seat body 1 and the pipe nut 4, thereby preventing the pipe nut 4 from loosening or coming off after being tightened, and improving the stability of the high-pressure oil pipe joint during use.
[0024] In summary, this reinforced sealing high-pressure oil pipe joint, during use, firstly, the mating ring 5 is fixedly installed inside the pipe nut 4 using adhesive. The installation joint body 3 is then rotated and installed inside the connecting seat body 1. The mating ring 5, in conjunction with the mating groove 2, enhances the sealing performance of the installation joint body 3 after installation. Simultaneously, a sealing installation groove 6 is provided at the front end of the installation joint body 3. The sealing installation ring 7 is installed on the outside of the installation joint body 3 using the sealing installation groove 6. The mating ring 5, in conjunction with the sealing installation ring 7, strengthens the sealing effect, preventing oil leakage. Next, the installation slider 10 is fixedly installed at both ends inside the limiting block body 11 by welding. The installation slider 10, in conjunction with the second installation groove 9, slides the limiting block body 11 onto the outside of the pipe nut 4, and in conjunction with the first installation groove 8, slides the limiting block body 11 onto the outside of the connecting seat body 1. The limiting block body 11 limits the connection seat body 1 and the pipe nut 4, thereby preventing loosening and detachment of the pipe nut 4 after tightening, and improving the stability of the high-pressure oil pipe joint during use.
[0025] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.
Claims
1. A high-pressure oil pipe joint with enhanced sealing treatment, comprising a connecting seat body (1) and a sealing mounting groove (6), characterized in that, The connecting seat body (1) has a mating groove (2) at the front end, and the connecting seat body (1) is connected to the middle of the connecting seat body (1). The mounting connector body (3) is provided at the rear end of the mounting connector body (3). At the same time, the mounting connector body (3) is provided with a mating ring (5) at the front end of the mounting connector body (3). The mounting connector body (3) has a sealing mounting groove (6) at the front end, and a sealing mounting ring (7) is connected inside the sealing mounting groove (6). The connecting seat body (1) has a first mounting slide groove (8) at both ends. The mounting connector nut (4) has a second mounting slide groove (9) at both ends. The second mounting slide groove (9) is connected to a mounting slider (10), and a limit block body (11) is provided outside the mounting slider (10).
2. The high-pressure oil pipe joint with enhanced sealing treatment according to claim 1, characterized in that, The outer side of the connecting seat body (1) and the outer side of the pipe nut (4) are horizontally distributed, and the outer side of the connecting seat body (1) and the outer side of the pipe nut (4) are closely fitted.
3. The high-pressure oil pipe joint with enhanced sealing treatment according to claim 1, characterized in that, The internal dimensions of the docking groove (2) are adapted to the external dimensions of the docking ring (5), and the docking ring (5) is embeddedly connected to the main body (1) of the connecting seat through the docking groove (2).
4. The high-pressure oil pipe joint with enhanced sealing treatment according to claim 1, characterized in that, The mounting connector body (3) and the pipe nut (4) are arranged perpendicularly, and the mounting connector body (3) and the pipe nut (4) are fixedly connected.
5. A high-pressure oil pipe joint with enhanced sealing treatment according to claim 1, characterized in that, The internal dimensions of the sealing mounting groove (6) are adapted to the external dimensions of the sealing mounting ring (7), and the sealing mounting ring (7) is connected to the mounting joint body (3) through the sealing mounting groove (6).
6. A high-pressure oil pipe joint with enhanced sealing treatment according to claim 1, characterized in that, The internal dimensions of the first mounting groove (8) are adapted to the external dimensions of the mounting slider (10), and the mounting slider (10) is slidably connected to the connecting seat body (1) through the first mounting groove (8).
7. A high-pressure oil pipe joint with enhanced sealing treatment according to claim 1, characterized in that, The internal dimensions of the second mounting groove (9) are adapted to the external dimensions of the mounting slider (10), and the mounting slider (10) is connected to the pipe nut (4) through the second mounting groove (9).
8. A high-pressure oil pipe joint with enhanced sealing treatment according to claim 1, characterized in that, The internal dimensions of the limiting block body (11) are adapted to the external dimensions of the pipe nut (4), and the pipe nut (4) and the limiting block body (11) are embedded in each other.
Citation Information
Patent Citations
High-pressure oil pipe joint
CN221762860U