Anti-side-explosion hydraulic joint
Through the design of the anti-side explosion hydraulic joint and the use of the combined structure of the rotating ring and the extrusion ring, the stress concentration problem at the threaded connection of the hydraulic joint is solved, and the stable fixation and sealing of the hydraulic pipeline are achieved.
Patent Information
- Application Number
- CN202423043412.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-12-10
AI Technical Summary
The threaded connection between the hydraulic joint and the hydraulic pipeline is prone to stress concentration under high pressure, causing the pipe wall to rupture and affecting the stability of the system.
The hydraulic joint is designed to prevent side explosions. The combined structure of the rotating ring, connecting ring, gear ring and gear is used to achieve stable fixation of the hydraulic pipeline. The cooperation of the extrusion ring and the threaded ring is used to prevent the rotating ring from rotating, thereby enhancing the connection stability.
It effectively prevents hydraulic pipelines from bursting due to high pressure, improves the connection stability and overall efficiency of the hydraulic system, and enhances sealing.
Smart Images

Figure CN223344911U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hydraulic joints, in particular to a side explosion-proof hydraulic joint. Background Art
[0002] Hydraulic fittings are mechanical components used to connect, guide, seal, and secure pipes, hoses, or other hydraulic components in hydraulic systems. They ensure the smooth transmission of hydraulic fluids and play a vital role in hydraulic systems, widely used in various industries such as machinery, industry, aerospace, and automobiles.
[0003] Hydraulic connectors are usually connected to hydraulic pipes through threads. When the hydraulic system is working, the liquid in the pipe will exert a large pressure on the connection. This high pressure can easily lead to stress concentration at the joint between the hydraulic pipe and the connector, which in turn can cause the pipe wall at the threaded connection to rupture, thereby affecting the performance of the hydraulic connector assembly and the stability of the system. Utility Model Content
[0004] (1) Technical problems solved
[0005] In response to the shortcomings of the existing technology, the utility model provides a side explosion-proof hydraulic connector, which solves the technical problem that the hydraulic connector is usually connected to the hydraulic pipeline through a threaded method. When the hydraulic system is working, the liquid in the pipeline will exert a large pressure on the connection. This high pressure can easily cause stress concentration at the joint between the hydraulic pipeline and the connector, and then cause the pipe wall to rupture at the threaded connection.
[0006] (2) Technical solution
[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: a side explosion-proof hydraulic joint, including a hydraulic joint body and a hydraulic pipeline, both ends of the hydraulic joint body are fixedly connected to connecting pipes, the arc surface of the connecting pipe is slidably connected to a rotating ring, and the arc surface of the connecting pipe is fixedly connected to limiting rings on both sides of the rotating ring.
[0008] Preferably, the two rotating rings are fixedly connected to a connecting ring on one side away from each other, and a gear ring is fixedly connected to the other side of the connecting ring. The two connecting pipes are fixedly connected to three positioning blocks on one end away from each other, and the three positioning blocks are evenly distributed on the connecting pipe. One side of the positioning block is rotatably connected to a gear, and the tooth surface of the gear is meshed with the gear ring. The inner wall of the gear and the positioning block is commonly threaded with a screw, and one end of the screw is fixedly connected to a circular plate. The arc surface of the hydraulic pipeline is evenly fixedly connected to three fixed blocks, and the size of the fixed blocks is adapted to the size of the circular plate.
[0009] By adopting the above technical solution, the rotating ring is rotated, and the rotating ring drives the gear ring to rotate with the help of the connecting ring, and the gear ring drives the gear to rotate, thereby moving the screw and the circular plate toward the direction of the hydraulic joint body, and the hydraulic pipeline is brought into the connecting pipe through the abutment between the circular plate and the fixed block.
[0010] Preferably, the arc surface of the connecting pipe is threadedly connected with a threaded ring.
[0011] By adopting the above technical solution, the rotating threaded ring abuts against the rotating ring, preventing the rotating ring from rotating.
[0012] Preferably, one side of the threaded ring is fixedly connected to an extrusion ring, the extrusion ring is an elastic rubber ring, and one side of the extrusion ring is in contact with the rotating ring.
[0013] By adopting the above technical solution, the extrusion ring and the rotating ring are in extrusion contact, which prevents the rotating ring from rotating and improves stability.
[0014] Preferably, a plurality of auxiliary balls are evenly and fixedly connected to the arc surface of the threaded ring.
[0015] By adopting the above technical solution, the friction between the hand and the threaded ring is increased, making it easier to rotate the threaded ring.
[0016] Preferably, the arc surface of the rotating ring is evenly provided with a plurality of anti-slip grooves.
[0017] By adopting the above technical solution, the friction between the hand and the rotating ring is increased, making it easier to rotate the rotating ring.
[0018] Preferably, the positioning block, gear and screw are all made of stainless steel.
[0019] By adopting the above technical solution, the positioning block, gear and screw can be prevented from rusting, which would affect normal use.
[0020] Preferably, both ends of the hydraulic joint body are fixedly connected with sealing rings.
[0021] By adopting the above technical solution, the sealing is enhanced and water leakage is prevented.
[0022] (3) Beneficial effects
[0023] The utility model rotates the rotating ring, which drives the gear ring to rotate with the help of the connecting ring, and the gear ring drives the gear to rotate, thereby moving the screw and the circular plate toward the direction of the hydraulic joint main body, and the hydraulic pipeline is brought into the connecting pipe and squeezed into contact with the sealing ring through the abutment of the circular plate on the hydraulic pipeline and the fixed block. At this time, the threaded ring is rotated again to make the extrusion ring on it squeeze into contact with the rotating ring, avoiding the rotation of the rotating ring, achieving the fixing effect between the hydraulic pipeline and the connecting pipe, preventing the hydraulic pipeline from bursting due to excessive pressure, and thus improving the overall use efficiency when the hydraulic pipeline is connected to the hydraulic joint main body. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the present invention with reference to the accompanying drawings.
[0025] Figure 1 A schematic diagram of the three-dimensional structure of a side explosion-proof hydraulic joint provided for the implementation of the utility model;
[0026] Figure 2 This is a schematic diagram of the split structure in an embodiment of the present utility model;
[0027] Figure 3 It is a schematic diagram of a local structure in an embodiment of the utility model;
[0028] Figure 4 It is a schematic diagram of the local structure in an embodiment of the present utility model.
[0029] Legend: 1. Hydraulic connector body; 2. Hydraulic pipeline; 3. Connecting pipe; 4. Threaded ring; 5. Auxiliary ball; 6. Rotating ring; 7. Anti-slip groove; 8. Connecting ring; 9. Extrusion ring; 10. Gear ring; 11. Screw; 12. Round plate; 13. Fixed block; 14. Gear; 15. Positioning block; 16. Limiting ring; 17. Sealing ring. DETAILED DESCRIPTION
[0030] Reference Figures 1 to 4 As shown, the utility model provides a technical solution: a side explosion-proof hydraulic joint, including a hydraulic joint body 1 and a hydraulic pipeline 2, both ends of the hydraulic joint body 1 are fixedly connected to a connecting pipe 3, the arc surface of the connecting pipe 3 is slidably connected to a rotating ring 6, and the arc surface of the connecting pipe 3 is fixedly connected to a limiting ring 16 on both sides of the rotating ring 6.
[0031] Reference Figures 1 to 4As shown, in this embodiment: the two rotating rings 6 are fixedly connected to a connecting ring 8 on one side away from each other, and a gear ring 10 is fixedly connected to the other side of the connecting ring 8. The ends of the two connecting pipes 3 away from each other are fixedly connected to three positioning blocks 15, and the three positioning blocks 15 are evenly distributed on the connecting pipe 3. A gear 14 is rotatably connected to one side of the positioning block 15, and the tooth surface of the gear 14 is meshed with the gear ring 10. The inner wall of the gear 14 and the positioning block 15 is threaded with a screw 11, and one end of the screw 11 is fixedly connected to a circular plate 12. The arc surface of the hydraulic pipeline 2 is evenly fixedly connected with three fixed blocks 13, and the size of the fixed block 13 is adapted to the size of the circular plate 12. When the rotating ring 6 is rotated, the rotating ring 6 drives the gear ring 10 to rotate with the help of the connecting ring 8, and the gear ring 10 drives the gear 14 to rotate, thereby moving the screw 11 and the circular plate 12 toward the direction of the hydraulic joint body 1, and the hydraulic pipeline 2 is brought into the connecting pipe 3 through the abutment between the circular plate 12 and the fixed block 13.
[0032] Reference Figures 1 to 4 As shown, in this embodiment: the arc surface of the connecting pipe 3 is threadedly connected with a threaded ring 4, and the rotating threaded ring 4 abuts against the rotating ring 6 to prevent the rotating ring 6 from rotating.
[0033] Reference Figures 1 to 4 As shown, in this embodiment: one side of the threaded ring 4 is fixedly connected with an extrusion ring 9, which is an elastic rubber ring. One side of the extrusion ring 9 abuts against the rotating ring 6. The extrusion ring 9 and the rotating ring 6 are in extrusion contact to prevent the rotating ring 6 from rotating and improve stability.
[0034] Reference Figures 1 to 4 As shown, in this embodiment: the arc surface of the threaded ring 4 is evenly fixed with a number of auxiliary balls 5, which increases the friction between the hand and the threaded ring 4 and facilitates the rotation of the threaded ring 4
[0035] Reference Figures 1 to 4 As shown, in this embodiment: the arc surface of the rotating ring 6 is evenly provided with a number of anti-slip grooves 7 to increase the friction between the hand and the rotating ring 6, making it easier to rotate the rotating ring 6.
[0036] Reference Figures 1 to 4 As shown, in this embodiment: the positioning block 15, the gear 14 and the screw 11 are all made of stainless steel to prevent the positioning block 15, the gear 14 and the screw 11 from rusting and affecting normal use.
[0037] Reference Figures 1 to 4 As shown, in this embodiment: both ends of the hydraulic joint body 1 are fixedly connected with sealing rings 17 to enhance the sealing performance and prevent water leakage.
[0038] The working principle of a side explosion-proof hydraulic joint provided by the utility model is as follows: when in use, first insert the hydraulic pipeline 2 into the connecting pipe 3, then rotate the hydraulic pipeline 2 so that the three fixed blocks 13 on it are aligned with the circular plate 12, and then rotate the rotating ring 6. The rotating ring 6 drives the gear ring 10 to rotate with the help of the connecting ring 8, and the gear ring 10 drives the gear 14 to rotate, thereby moving the screw 11 and the circular plate 12 toward the direction of the hydraulic joint body 1, and through the contact between the circular plate 12 and the fixed block 13, the hydraulic pipeline 2 is brought into the connecting pipe 3 and squeezed into contact with the sealing ring 17. At this time, press the rotating ring 6, and then rotate the threaded ring 4 so that the extrusion ring 9 on it is squeezed into contact with the rotating ring 6 to prevent the rotating ring 6 from rotating, thereby achieving a fixing effect between the hydraulic pipeline 2 and the connecting pipe 3.
[0039] Finally, it should be noted that the above embodiments are merely examples for the purpose of clearly illustrating the present invention and are not intended to limit the embodiments. Those skilled in the art will readily appreciate that other variations or modifications based on the above description are possible. It is not necessary and impossible to enumerate all embodiments here. Obvious variations or modifications arising therefrom remain within the scope of protection of the present invention.
Claims
1. A hydraulic joint for preventing side explosion, comprising a hydraulic joint body (1) and a hydraulic pipeline (2), characterized in that: Both ends of the hydraulic joint body (1) are fixedly connected to a connecting pipe (3), the arc surface of the connecting pipe (3) is slidably connected to a rotating ring (6), and the arc surface of the connecting pipe (3) is fixedly connected to a limiting ring (16) on both sides of the rotating ring (6).
2. The side explosion-proof hydraulic joint according to claim 1, characterized in that: The two rotating rings (6) are fixedly connected to a connecting ring (8) on one side away from each other, and a gear ring (10) is fixedly connected to the other side of the connecting ring (8). The two connecting pipes (3) are fixedly connected to three positioning blocks (15) on one end away from each other. The three positioning blocks (15) are evenly distributed on the connecting pipe (3). One side of the positioning block (15) is rotatably connected to a gear (14). The tooth surface of the gear (14) is meshed with the gear ring (10). The inner walls of the gear (14) and the positioning block (15) are threaded with a screw (11). One end of the screw (11) is fixedly connected to a circular plate (12). The circular arc surface of the hydraulic pipeline (2) is evenly fixedly connected to three fixed blocks (13). The size of the fixed blocks (13) is adapted to the size of the circular plate (12).
3. The side explosion-proof hydraulic joint according to claim 2, characterized in that: The arc surface of the connecting pipe (3) is threadedly connected with a threaded ring (4).
4. The side explosion-proof hydraulic joint according to claim 3, characterized in that: One side of the threaded ring (4) is fixedly connected to an extrusion ring (9), which is an elastic rubber ring. One side of the extrusion ring (9) is in contact with the rotating ring (6).
5. The side explosion-proof hydraulic joint according to claim 4, characterized in that: A plurality of auxiliary balls (5) are evenly and fixedly connected to the arc surface of the threaded ring (4).
6. The side explosion-proof hydraulic joint according to claim 1, characterized in that: The arc surface of the rotating ring (6) is evenly provided with a plurality of anti-slip grooves (7).
7. The side explosion-proof hydraulic joint according to claim 2, characterized in that: The positioning block (15), the gear (14) and the screw (11) are all made of stainless steel.
8. The side explosion-proof hydraulic joint according to claim 1, characterized in that: Both ends of the hydraulic joint body (1) are fixedly connected with sealing rings (17).