Sealing connector of hydraulic pipeline

By adopting a sealed connector design at the hydraulic pipeline connection, and utilizing structures such as threaded connections, flanges, double-ended studs, and limit rods, the problem of aging and softening of the seal is solved, achieving long-term sealing and stability at the hydraulic pipeline connection.

CN223635627UActive Publication Date: 2025-12-05SHAN DONG SAN WANG HYDRAULIC FLUID TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422163934.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-03
Publication Date
2025-12-05
Estimated Expiration
2034-09-03

AI Technical Summary

Technical Problem

The sealing performance of existing hydraulic pipeline connections is reduced due to the aging and softening of rubber sealing rings or seals, making it impossible to maintain a tight connection for a long time.

Method used

The design employs a sealed connector, with a threaded connection between the first and second connectors, combined with the fastening of the flange and double-ended studs. The fastening structure uses a sealing sleeve and a locking sleeve, along with the limiting rod and locking ring for limiting and fixing, ensuring that the sealing sleeve adheres to the connection for a long time and improving the sealing performance.

Benefits of technology

It effectively prevents oil leakage, improves the sealing performance and sealing time of hydraulic pipeline connections, and ensures that the sealing performance is maintained for a long time.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223635627U_ABST
    Figure CN223635627U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of hydraulic pipe installation, in particular to a sealing connector of a hydraulic pipeline, which comprises a sealing connector body, a first pipeline arranged on one side of the sealing connector body, a first connector arranged at one end of the first pipeline, a second connector arranged on one side of the first connector, and a second pipeline arranged at one end of the second connector. The outer ring face of the first connector is sleeved with a sealing sleeve, the outer ring face of the sealing sleeve is sleeved with a locking sleeve, one side of the locking sleeve is fixedly connected with a limiting ring, and one side of the limiting ring is provided with a locking ring. The pipeline connecting device has the beneficial effects that the first connector is in threaded connection with the second connector, so that the connecting sealing performance of the connecting position is preliminarily guaranteed, then the double-end stud is arranged in the flange plate for installing the first pipeline and the second pipeline in a sleeving mode, and the two ends of the double-end stud are fastened through the large nuts; and the sealing sleeve is fastened through the locking ring, so that the sealing performance of the two connectors is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic pipe installation technical field, concretely is a sealed connector of hydraulic pipeline. BACKGROUND

[0002] The hydraulic pipe joint is the component between the high pressure oil pipe and the high pressure oil pipe in the hydraulic system. The hydraulic pipe joint can be divided into hydraulic hose, high pressure ball valve, quick connector, clamping sleeve pipe joint, welding pipe joint, high pressure hose, transition pipe joint, tee pipe joint, non-standard pipe joint, flared pipe joint, right angle pipe joint, rotary pipe joint, quick connector, stainless steel pipe joint and copper joint.

[0003] In the prior art, in order to improve the sealing performance of the connection between two pipelines, the joints between the hydraulic pipelines are connected through thread engagement, and sealing measures such as a sealing ring or a sealing sleeve need to be added outside the connection after thread engagement, so as to ensure the sealing performance of the connection. However, the rubber sealing ring or the sealing ring that is sleeved on the joint for a long time will age and become soft, so that it cannot be tightly sleeved on the joint, thereby reducing the sealing performance of the joint. Therefore, the utility model provides a sealed connector of a hydraulic pipeline to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a sealed connector of a hydraulic pipeline to solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a sealed connector of a hydraulic pipeline, comprising: a sealed connector body, a first pipeline is arranged on one side of the sealed connector body, a first connector is arranged at one end of the first pipeline, a second connector is arranged on one side of the first connector, and a second pipeline is arranged at one end of the second connector.

[0006] A sealing sleeve is sleeved on the outer surface of the first connector, a locking sleeve is sleeved on the outer surface of the sealing sleeve, a limiting ring is fixedly connected on one side of the locking sleeve, and a locking ring is arranged on one side of the limiting ring.

[0007] Preferably, the first connector is fixedly sleeved in the first pipeline at one end, and the second connector is sleeved in the first connector at the other end and is threadedly connected with the second connector.

[0008] Preferably, the second connector is fixedly sleeved in the second pipeline at one end, and the flange plates are fixedly sleeved on the outer surfaces of the first pipeline and the second pipeline.

[0009] Preferably, a through hole is arranged on the surface of the flange plate, a double-headed stud is sleeved between the two flange plates, and a large nut is threadedly connected at both ends of the double-headed stud.

[0010] Preferably, the first pipeline, the second pipeline and the limiting ring are fixedly connected, and the limiting ring is provided with a through hole.

[0011] Preferably, the locking ring is sleeved on the outer surface of the locking sleeve and is threadedly connected with the locking sleeve, and the locking ring is provided with a limiting hole on one side.

[0012] Preferably, the limiting hole and the through hole are of the same diameter, the limiting rod is slidingly inserted between the limiting hole and the through hole, and the limiting rod is threadedly connected with a small nut at one end.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The first connecting head and the second connecting head are threadedly connected, thereby preliminarily ensuring the sealing property of the connection, the double-end stud is sleeved in the flange plate of the first pipeline and the second pipeline, and the two ends of the double-end stud are fastened by the large nut, thereby further improving the sealing property of the connection between the first pipeline and the second pipeline at the connecting head, and avoiding the leakage of oil.

[0015] 2. The sealing sleeve is tightly sleeved at the butt joint of the first connecting head and the second connecting head, the locking ring is twisted, the slanted surface of the bifurcated locking sleeve is squeezed and shrunk, the locking sleeve fastens the sealing sleeve, the outer surface of the sealing sleeve is tightly attached to the butt joint of the first connecting head and the second connecting head, and the sealing property of the two connecting heads is improved.

[0016] 3. The limiting rod is inserted into the limiting hole through the through hole, the other end of the limiting rod is fastened by the small nut, the limiting rod limits and fixes the locking ring, the fastening effect of the locking ring on the sealing sleeve is not reduced due to loosening, the sealing sleeve can be always attached to the connecting head for a long time, the sealing effect and the timeliness of sealing are further ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the internal structure of the utility model from the bottom;

[0020] Figure 4 It is a schematic diagram of the internal structure of the utility model from the top;

[0021] Figure 5 It is an exploded schematic diagram of the connecting structure of the first connecting head, the second connecting head and the sealing sleeve.

[0022] In the diagram: 1. Sealing connector body; 2. First pipeline; 3. First connector; 4. Second connector; 5. Second pipeline; 6. Sealing sleeve; 7. Locking sleeve; 8. Limiting ring; 9. Locking ring; 10. Flange; 11. Through hole; 12. Double-ended stud; 13. Large nut; 14. Limiting insertion hole; 15. Limiting rod; 16. Small nut. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of this utility model clear and complete, the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of this utility model, and are merely used to explain the embodiments of this utility model. They are not intended to limit the embodiments of this utility model. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0024] In the description of this utility model, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," and "horizontal," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "a," "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0025] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0026] For purposes of simplicity and illustration, the principles of the embodiments are described primarily by way of example. In the following description, numerous specific details are set forth to provide a thorough understanding of the embodiments. However, it will be apparent to those skilled in the art that these embodiments may not be limited to these specific details in practice. In some instances, well-known methods and structures have not been described in detail to avoid unnecessarily obscuring these embodiments. Furthermore, all embodiments can be used in combination with each other.

[0027] Please refer to Figures 1 to 5 The utility model provides a technical scheme: a sealed connector of hydraulic pipeline, it includes: sealed connector body 1, sealed connector body 1 one side is provided with first pipeline 2, first pipeline 2 one end is installed with first connector 3, first connector 3 one side is provided with second connector 4, second connector 4 one end is installed with second pipeline 5, by setting up first pipeline 2 with second pipeline 5, it is convenient for oil liquid to flow in the pipeline, first connector 3 is butt jointed with first pipeline 2, second connector 4 is butt jointed with second pipeline 5, to be convenient for being butt jointed with first pipeline 2 with second pipeline 5 through first connector 3 with second connector 4, first connector 3 one end is fixedly covered in first pipeline 2, first connector 3 other end is covered with second connector 4 and is connected between second connector 4 with the screw thread, first connector 3 one end is fixedly connected with first pipeline 2 one end, first connector 3 other end is covered in the outer ring surface of second connector 4 and is connected between second connector 4 with the screw thread, second connector 4 one end is fixedly covered in second pipeline 5, first pipeline 2, second pipeline 5 outer ring surface are all fixedly covered with flange plate 10, second connector 4 non-threaded end is fixedly covered in second pipeline 5 one end, first pipeline 2, second pipeline 5 outer ring surface are all fixedly covered with flange plate 10, to can increase the tightness of first pipeline 2 with second pipeline 5 connection, flange plate 10 surface is provided with through -hole 11, two the flange plate 10 between cover double -end stud 12, double -end stud 12 both ends are connected with large nut 13 with the screw thread, flange plate 10 between cover double -end stud 12, through large nut 13 both ends fastening of double -end stud 12, to further increase the sealing property and the tightness of first pipeline 2 with second pipeline 5 connection.

[0028] First connector 3 of first pipeline 2 one end fixed installation is installed in the outer ring surface of second connector 4 of second pipeline 5 one end fixed installation through threaded connection, to make first pipeline 2 with second pipeline 5 intercommunication, and the threaded connection between first connector 3 and second connector 4, to preliminary guarantee the sealing property of connection, again through double -end stud 12 cover in the flange plate 10 of first pipeline 2 with second pipeline 5 installation, and through large nut 13 both ends fastening of double -end stud 12, to further improve the sealing property of first pipeline 2 with second pipeline 5 connector place between connection, avoid the leakage of oil liquid.

[0029] The outer circumferential surface of the first connecting head 3 is sleeved with a sealing sleeve 6, the outer circumferential surface of the sealing sleeve 6 is sleeved with a locking sleeve 7, one side of the locking sleeve 7 is fixedly connected with a limiting ring 8, one side of the limiting ring 8 is provided with a locking ring 9, the sealing sleeve 6 is sleeved on the outer circumferential surface of the first connecting head 3, so as to seal the connecting position of the first connecting head 3 and the second connecting head 4, the locking sleeve 7 is sleeved on the outer circumferential surface of the sealing sleeve 6, so as to fasten the sealing sleeve 6, the limiting ring 8 limits the position of the locking sleeve 7, the locking ring 9 is rotated to tighten the locking sleeve 7, the first pipeline 2 and the second pipeline 5 are both fixedly connected with the limiting ring 8, the limiting ring 8 is provided with a through hole 11, the limiting ring 8 is fixedly sleeved on the first pipeline 2 and the second pipeline 5, so as to limit the position of the locking sleeve 7 through the limiting ring 8, the locking ring 9 is sleeved on the outer circumferential surface of the locking sleeve 7 and is threadedly connected with the locking sleeve 7, the locking ring 9 is provided with a limiting insertion hole 14 on one side, the locking ring 9 is sleeved on one end of the locking sleeve 7 and is provided with an inner inclined surface, and one end of the locking sleeve 7 is provided with a bifurcated outer inclined surface, the inner inclined surface is matched with the outer inclined surface, the limiting insertion hole 14 is equal in diameter with the through hole 11, a limiting rod 15 is slidingly inserted between the limiting insertion hole 14 and the through hole 11, one end of the limiting rod 15 is threadedly connected with a small nut 16, the limiting insertion holes 14 on the locking ring 9 are arranged in a circumferential array, the limiting rod 15 is sleeved in the through hole 11 and one end of the limiting rod 15 is slidingly inserted into the limiting insertion hole 14, and the other end of the limiting rod 15 is fastened through the small nut 16, so as to limit the locking ring 9 through the limiting rod 15.

[0030] First, the sealing sleeve 6 is sleeved between the first connecting head 3 and the second connecting head 4, and then the first connecting head 3 and the second connecting head 4 are threadedly connected through threaded connection, so that the sealing sleeve 6 is tightly sleeved on the butt joint of the first connecting head 3 and the second connecting head 4, at this time, the locking ring 9 is twisted, because the locking ring 9 is threadedly connected with the locking sleeve 7, the locking ring 9 moves away from the limiting ring 8, and the bifurcated inclined surface of the locking sleeve 7 is matched with the inner inclined surface of one end of the locking ring 9, so that the bifurcated inclined surface of the locking sleeve 7 is extruded and shrunk, the locking sleeve 7 fastens the sealing sleeve 6, the outer circumferential surface of the sealing sleeve 6 is tightly matched with the butt joint of the first connecting head 3 and the second connecting head 4, so as to improve the sealing performance of the two connecting heads, one end of the limiting rod 15 is inserted through the through hole 11 and is slidingly inserted into the limiting insertion hole 14, the other end of the limiting rod 15 is fastened through the small nut 16, so as to limit and fix the locking ring 9 through the limiting rod 15, so as to avoid the loosening of the locking ring 9 and the reduction of the fastening effect of the sealing sleeve 6, thereby ensuring that the sealing sleeve 6 is always matched with the connecting head for a long time, and further ensuring the sealing effect and the timeliness of the sealing.

[0031] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. A sealed connection for hydraulic lines, comprising a sealed connection body (1), characterized in that: The sealing connector body (1) is provided with a first pipeline (2) on one side, a first connector (3) is installed at one end of the first pipeline (2), a second connector (4) is provided on one side of the first connector (3), and a second pipeline (5) is installed at one end of the second connector (4); The first connector (3) is sleeved with a sealing sleeve (6) on the outer surface, the sealing sleeve (6) is sleeved with a locking sleeve (7) on the outer surface, the locking sleeve (7) is fixedly connected with a limiting ring (8) on one side, and the limiting ring (8) is provided with a locking ring (9) on one side.

2. A sealed hydraulic line connector according to claim 1, wherein: The first connector (3) is fixedly sleeved in the first pipeline (2) at one end, and the second connector (4) is sleeved in the first connector (3) at the other end and is threadedly connected with the second connector (4).

3. A sealed hydraulic line connector according to claim 2, wherein: The second connector (4) is fixedly sleeved in the second pipeline (5) at one end, and the first pipeline (2) and the second pipeline (5) are fixedly sleeved with flanges (10) on the outer surfaces.

4. A sealed hydraulic line connector according to claim 3, wherein: The flanges (10) are provided with through holes (11) on the surfaces, double-headed studs (12) are sleeved between the two flanges (10), and large nuts (13) are threadedly connected to both ends of the double-headed studs (12).

5. A sealed hydraulic line connector according to claim 4, wherein: The first pipeline (2) and the second pipeline (5) are fixedly connected with the limiting ring (8), and the limiting ring (8) is provided with through holes (11) on the surface.

6. A sealed hydraulic line connector according to claim 5, wherein: The locking ring (9) is sleeved on the outer surface of the locking sleeve (7) and is threadedly connected with the locking sleeve (7), and the locking ring (9) is provided with a limiting insertion hole (14) on one side.

7. A sealed hydraulic line connector according to claim 6, wherein: The limiting insertion hole (14) is equal in diameter to the through hole (11), and a limiting rod (15) is slidingly inserted between the limiting insertion hole (14) and the through hole (11), and a small nut (16) is threadedly connected to one end of the limiting rod (15).