Novel lubricating oil pipe

By employing multiple oil inlet joints and a rigid metal pipe articulation structure in the lubricating oil pipe, combined with braided tubing, the problem of difficult installation and connection of existing oil pipes in complex structures is solved, achieving high flexibility and convenient installation.

CN223609859UActive Publication Date: 2025-11-28ZHEJIANG XINCHAI
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Patent Information

Application Number
CN202520290614.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-24
Publication Date
2025-11-28
Estimated Expiration
2035-02-24

AI Technical Summary

Technical Problem

Existing oil lines cannot provide sufficient flexibility and convenience in the complex oil supply systems of engines and gear chambers, leading to difficulties in installation and connection.

Method used

A novel lubricating oil pipe is designed, employing multiple oil inlet joints and a rigid metal pipe articulated structure, combined with braided tubing, to achieve various adjustment methods and flexible connections.

Benefits of technology

It achieves flexibility and convenient installation of lubrication pipes in complex structures, meeting the needs of engine and gear chamber oil supply systems.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a novel lubricating oil pipe which comprises a first oil feeding steel pipe and a second oil feeding steel pipe, and one end of the first oil feeding steel pipe and one end of the second oil feeding steel pipe are respectively hinged with an annular oil supply joint and are communicated with the oil supply joints; the other end of the first oil feeding steel pipe and the other end of the second oil feeding steel pipe are hinged to the two ends of the connecting steel pipe through hinge joints respectively. The connecting steel pipe and the first oil feeding steel pipe are fixedly connected with braided pipes respectively. According to the oil supply pipeline, the multiple oil inlet connectors are adopted as nodes, the metal hard pipelines are hinged to the oil inlet connectors and can be adjusted, meanwhile, the braided tubes are installed on the multiple metal hard pipelines, the whole oil supply pipeline can be adjusted in multiple modes, flexibility is good, and installation and connection are convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of oil pipe, more specifically to a novel lubricating oil pipe. BACKGROUND

[0002] With the non-road diesel engine market holding quantity more and more big, market audience is more and more wide, the demand of customer is also more and more, and the customer often requires that the engine rear end can install hydraulic pump, needs to arrange gear chamber at the engine rear end, and also needs to supply oil in the gear chamber, so needs to arrange oil supply pipeline, and its oil supply pipeline can be connected on the oil inlet pipeline of engine, can supply lubricating oil for the gear chamber while supplying lubricating oil for engine, and the conventional oil pipe is hinged in the oil inlet joint, and the oil inlet joint is annular structure, and the inner wall is provided with annular oil inlet groove, and the oil inlet screw with inner hole is inserted in the annular oil inlet joint, and the inner hole is connected with the oil inlet groove to realize oil inlet, but the hinge mode can only realize the rotation of the oil pipe, and cannot move the oil inlet joint, and the pipeline for supplying oil for the gear chamber and engine is longer, and the appearance structure of engine and gear chamber is complex, so the oil supply pipeline needs greater flexibility, which can facilitate installation and connection, so it is necessary to design an integrated oil supply pipeline with good flexibility. SUMMARY

[0003] The utility model discloses a novel lubricating oil pipe, which uses multiple oil inlet joints as nodes for the oil supply pipeline, and the hinge connection of the metal hard pipeline and the oil inlet joint can be adjusted, and multiple metal hard pipelines are installed with braided tubes, so that the entire oil supply pipeline can be adjusted in multiple ways, has good flexibility and is convenient to install and connect.

[0004] A novel lubricating oil pipe, comprising a first oil feeding steel pipe and a second oil feeding steel pipe, one end of the first oil feeding steel pipe and one end of the second oil feeding steel pipe are respectively hingedly connected with annular oil supply joints and are in communication with the oil supply joints; the other end of the first oil feeding steel pipe and the other end of the second oil feeding steel pipe are respectively hingedly connected with two ends of a connecting steel pipe through hinge joints; the connecting steel pipe and the first oil feeding steel pipe are respectively fixedly connected with braided tubes,

[0005] The hinge joint comprises an annular joint seat, an oil inlet ring groove in the shape of a circular arc is formed on the inner wall of the joint seat, a cylindrical annular first hinge seat is fixedly connected to the outer wall on one side of the joint seat, and the first oil feeding steel pipe and the second oil feeding steel pipe are respectively pivoted in the first hinge seat and inserted in the oil inlet ring groove through the joint seat;

[0006] The outer wall of the other side of the joint base is formed with an adjusting groove in the shape of a fan ring and connected with the oil inlet ring groove, the inner wall of the oil inlet ring groove of the joint base is abutted with a circular arc sealing sheet, the middle part of the sealing sheet is formed with a linear connector; the outer wall of the joint base is abutted with a cylindrical second hinge base, the inner wall of the side of the second hinge base close to the joint base is formed with an annular connecting groove; the connecting steel pipe is inserted into the second hinge base, the end of the connecting steel pipe is bent to form a baffle, the baffle is inserted into the connecting groove of the second hinge base, the connector passes through the adjusting groove of the second hinge base and is fixed in the connecting groove of the second hinge base, and the baffle is clamped between the connector and the second hinge base.

[0007] Preferably, the connecting steel pipe and the first oil feeding steel pipe are respectively formed with a fracture, a braided pipe is inserted into the fracture, and the two ends of the braided pipe are formed with a sleeve joint which is sleeved on the connecting steel pipe and the first oil feeding steel pipe and is fixedly connected on the connecting steel pipe and the first oil feeding steel pipe through press fitting.

[0008] Preferably, the circular arc radian of the adjusting groove on the second hinge base is less than half of the circular arc radian of the sealing sheet, and the outer diameter of the connector on the sealing sheet is equal to the groove width of the adjusting groove.

[0009] Preferably, the outer diameter of the connector is equal to the inner hole diameter of the connecting groove on the second hinge base, a first sealing washer is sleeved on the connecting steel pipe, and the first sealing washer is clamped between the baffle and the bottom surface of the connecting groove.

[0010] Preferably, the side, away from the joint base, of the first hinge base is formed with an annular counterbore, the first oil feeding steel pipe and the second oil feeding steel pipe are respectively inserted into the first hinge base, the outer wall of the first oil feeding steel pipe and the second oil feeding steel pipe is respectively formed with a first convex ring and a second convex ring, the first convex ring and the second convex ring are respectively inserted into the counterbore of the first hinge base, an annular clamping groove is formed at the entrance of the counterbore, a circular arc clamping ring is inserted into the clamping groove, and the clamping ring is respectively abutted on the first convex ring and the second convex ring; a second sealing washer is inserted into the bottom of the counterbore and clamped between the first convex ring and the first hinge base or between the second convex ring and the first hinge base.

[0011] Preferably, the cross section of the clamping ring is circular, the bottom surface of the clamping groove is circular arc-shaped, and the circular arc radius of the bottom surface of the clamping groove is equal to the radius of the cross section of the clamping ring.

[0012] Preferably, the cross section of the sealing sheet is circular arc-shaped, the outer circle radius of the cross section of the sealing sheet is equal to the circular arc radius of the bottom surface of the oil inlet ring groove, and the sealing sheet covers the adjusting groove.

[0013] The utility model discloses the beneficial effect lies in:

[0014] The oil supply pipeline adopts multiple oil inlet joints as nodes, the metal hard pipeline hinged oil inlet joint can be adjusted, and meanwhile multiple metal hard pipelines are provided with braided tubes, so that the whole oil supply pipeline can be adjusted in multiple modes, is good in flexibility and convenient to install and connect. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a three-dimensional structure schematic view of the utility model;

[0016] Fig. 2 It is a three-dimensional structure schematic view of the utility model from another angle;

[0017] Fig. 3 It is a three-dimensional structure schematic view of the hinged joint of the utility model;

[0018] Fig. 4 It is a half cut structure schematic view of the hinged joint of the utility model.

[0019] In the drawing: 1, first oil feeding steel pipe; 11, first convex ring; 2, second oil feeding steel pipe; 3, oil supply joint; 4, hinged joint; 41, joint seat; 42, first hinged seat; 43, sealing sheet; 44, second hinged seat; 45, first sealing washer; 46, second sealing washer; 47, clasp; 5, connecting steel pipe; 51, baffle; 6, braided tube; 61, sleeve joint. DETAILED DESCRIPTION

[0020] Embodiment: see Figs. 1 to 4 As shown in the drawing, a novel lubricating oil pipe comprises a first oil feeding steel pipe 1 and a second oil feeding steel pipe 2, one end of the first oil feeding steel pipe 1 and one end of the second oil feeding steel pipe 2 are respectively hinged with a circular ring-shaped oil supply joint 3 and are in communication with the oil supply joint 3; the other end of the first oil feeding steel pipe 1 and the other end of the second oil feeding steel pipe 2 are respectively hinged with a hinged joint 4 and a connecting steel pipe 5; the connecting steel pipe 5 and the first oil feeding steel pipe 1 are respectively fixedly connected with a braided tube 6,

[0021] The hinged joint 4 comprises a circular ring-shaped joint seat 41, an oil inlet ring groove 411 in the shape of a circular arc is formed on the inner wall of the joint seat 41, a cylindrical ring-shaped first hinged seat 42 is fixedly connected to the outer wall of one side of the joint seat 41, and the first oil feeding steel pipe 1 and the second oil feeding steel pipe 2 are respectively pivoted in the first hinged seat 42 and are inserted in the oil inlet ring groove 411 through the joint seat 41;

[0022] The outer wall of the other side of the joint base 41 is formed with an adjusting groove 412 in the shape of a fan ring and connected with the oil inlet ring groove 411. The inner wall of the oil inlet ring groove 411 of the joint base 41 is abutted with a circular arc-shaped sealing sheet 43. The middle part of the sealing sheet 43 is formed with a linear connector 431. The outer wall of the joint base 41 is abutted with a cylindrical ring-shaped second hinge base 44. The inner wall of the side of the second hinge base 44 close to the joint base 41 is formed with an annular connecting groove 441. The connecting steel pipe 5 is inserted into the second hinge base 44. The end of the connecting steel pipe 5 is bent to form a stop edge 51. The stop edge 51 is inserted into the connecting groove 441 of the second hinge base 44. The connector 431 passes through the adjusting groove 412 of the second hinge base 44 and is fixed in the connecting groove 441 of the second hinge base 44. The stop edge 51 is clamped between the connector 431 and the second hinge base 44.

[0023] The connecting steel pipe 5 and the first oil feeding steel pipe 1 are respectively formed with a fracture. The woven pipe 6 is inserted into the fracture. The two ends of the woven pipe 6 are formed with a sleeve joint 61. The sleeve joint 61 is sleeved on the connecting steel pipe 5 and the first oil feeding steel pipe 1 respectively and is fixedly connected on the connecting steel pipe 5 and the first oil feeding steel pipe 1 by press fitting. The woven pipe 6 can be a metal woven hose.

[0024] The circular arc radian of the adjusting groove 412 on the second hinge base 44 is less than half of the circular arc radian of the sealing sheet 43. The outer diameter of the connector 431 on the sealing sheet 43 is equal to the groove width of the adjusting groove 412. No matter how the sealing sheet 43 moves, the sealing sheet 43 can cover and close the adjusting groove 412.

[0025] The outer diameter of the connector 431 is equal to the inner hole diameter of the connecting groove 441 of the second hinge base 44. The connecting steel pipe 5 is sleeved with a first sealing washer 45. The first sealing washer 45 is clamped between the stop edge 51 and the bottom surface of the connecting groove 441. The first sealing washer 45 can improve the sealing effect.

[0026] The side of the first hinge base 42 away from the joint base 41 is formed with an annular counterbore 421. The first oil feeding steel pipe 1 and the second oil feeding steel pipe 2 are respectively inserted into the first hinge base 42. The outer walls of the first oil feeding steel pipe 1 and the second oil feeding steel pipe 2 are respectively formed with a first convex ring 11 and a second convex ring. The first convex ring 11 and the second convex ring are respectively inserted into the counterbore 421 of the first hinge base 42. The entrance of the counterbore 421 is formed with an annular clamping groove 422. A circular arc-shaped clamping ring 47 is inserted into the clamping groove 422. The clamping ring 47 is respectively abutted on the first convex ring 11 and the second convex ring. The bottom of the counterbore 421 is inserted with a second sealing washer 46. The second sealing washer 46 is clamped between the first convex ring 11 and the first hinge base 42 or between the second convex ring and the first hinge base 42.

[0027] The hinge structure can be used between the oil supply joint 3 and the first oil supply steel pipe 1 or between the oil supply joint 3 and the second oil supply steel pipe 2.

[0028] The cross section of the snap ring 47 is circular, the bottom surface of the snap groove 422 is circular arc-shaped, and the radius of the circular arc of the bottom surface of the snap groove 422 is equal to the radius of the cross section of the snap ring 47.

[0029] The cross section of the sealing piece 43 is circular arc-shaped, the outer circle radius of the cross section of the sealing piece 43 is equal to the radius of the circular arc of the bottom surface of the oil inlet ring groove 411, and the sealing piece 43 covers the adjusting groove 412.

[0030] Working principle: the structure is a new lubricating oil pipe, the lubricating oil pipe is embodied on the hinge joint 4 and the connecting steel pipe 5 and the braided pipe 6,

[0031] The braided pipe 6 is arranged on the connecting steel pipe 5 and the first oil supply steel pipe 1, and then the position of the connecting steel pipe 5 and the first oil supply steel pipe 1 can be adjusted

[0032] Meanwhile, the connecting steel pipe 5 can rotate along the outer wall of the hinge joint 4, the angle between the connecting steel pipe 5 and the first oil supply steel pipe 1 and the angle between the connecting steel pipe 5 and the second oil supply steel pipe 2 can be adjusted, and the lubricating oil pipe has sufficient flexibility.

[0033] The embodiments are used to illustrate the utility model, and are not used to limit the utility model. Any person skilled in the art can modify the embodiments without departing from the spirit and scope of the utility model, and therefore the protection scope of the utility model should be as listed in the claims of the utility model.

Claims

1. A novel lubricating oil pipe comprising a first oil feeding steel pipe (1) and a second oil feeding steel pipe (2), one end of the first oil feeding steel pipe (1) and one end of the second oil feeding steel pipe (2) are respectively hinged with a circular annular oil feeding connector (3) and communicated with the oil feeding connector (3); characterized in that: The other end of the first oil feeding steel pipe (1) and the other end of the second oil feeding steel pipe (2) are respectively hinged to the two ends of the connecting steel pipe (5) through the hinge joint (4); the connecting steel pipe (5) and the first oil feeding steel pipe (1) are respectively fixedly connected with the braid pipe (6), The hinge joint (4) comprises a circular ring-shaped joint base (41), an arc-shaped oil inlet ring groove (411) is formed on the inner wall of the joint base (41), a cylindrical ring-shaped first hinge base (42) is fixedly connected to the outer wall of one side of the joint base (41), and the first oil feeding steel pipe (1) and the second oil feeding steel pipe (2) are respectively pivotally connected in the first hinge base (42) and are inserted into the oil inlet ring groove (411) through the joint base (41); An adjusting groove (412) in the shape of a fan ring and communicating with the oil inlet ring groove (411) is formed on the outer wall of the other side of the joint base (41), an arc-shaped sealing sheet (43) is abutted against the inner wall of the oil inlet ring groove (411) of the joint base (41), and a linear pipe connector (431) is formed in the middle of the sealing sheet (43); a cylindrical ring-shaped second hinge base (44) is abutted against the outer wall of the joint base (41), an annular connecting groove hole (441) is formed on the inner wall of the side of the second hinge base (44) close to the joint base (41), the connecting steel pipe (5) is inserted into the second hinge base (44), the end of the connecting steel pipe (5) is bent to form a baffle (51), the baffle (51) is inserted into the connecting groove hole (441) of the second hinge base (44), and the pipe connector (431) is inserted and fixed in the connecting groove hole (441) of the second hinge base (44) through the adjusting groove (412) of the second hinge base (44), and the baffle (51) is clamped between the pipe connector (431) and the second hinge base (44).

2. A novel lubricating oil pipe as claimed in claim 1, wherein: The connecting steel pipe (5) and the first oil feeding steel pipe (1) are respectively formed with a break, the braid pipe (6) is inserted into the break, and the two ends of the braid pipe (6) are formed with sleeve joints (61) which are sleeved on the connecting steel pipe (5) and the first oil feeding steel pipe (1) and are fixedly connected on the connecting steel pipe (5) and the first oil feeding steel pipe (1) through press fitting.

3. A novel lubricating oil pipe as claimed in claim 1, wherein: The arc degree of the adjusting groove (412) on the second hinge base (44) is less than half of the arc degree of the sealing sheet (43), and the outer diameter of the pipe connector (431) on the sealing sheet (43) is equal to the groove width of the adjusting groove (412).

4. A novel lubricating oil pipe as claimed in claim 1, wherein: The outer diameter of the pipe connector (431) is equal to the inner diameter of the connecting groove hole (441) of the second hinge base (44), a first sealing washer (45) is inserted on the connecting steel pipe (5), and the first sealing washer (45) is clamped between the baffle (51) and the bottom surface of the connecting groove hole (441).

5. A novel lubricating oil pipe as claimed in claim 1, wherein: The first articulated seat (42) is formed with an annular expansion hole (421) on the side away from the joint seat (41), the first oil feeding steel pipe (1) and the second oil feeding steel pipe (2) are respectively inserted into the first articulated seat (42), the outer wall of the first oil feeding steel pipe (1) and the second oil feeding steel pipe (2) are respectively formed with a first convex ring (11) and a second convex ring, the first convex ring (11) and the second convex ring are respectively inserted into the expansion hole (421) of the first articulated seat (42), the entrance of the expansion hole (421) is formed with an annular clamping groove (422), a circular-arc clamping ring (47) is inserted into the clamping groove (422), the clamping ring (47) abuts against the first convex ring (11) and the second convex ring respectively; the bottom of the expansion hole (421) is inserted with a second sealing washer (46), the second sealing washer (46) is clamped between the first convex ring (11) and the first articulated seat (42) or between the second convex ring and the first articulated seat (42).

6. A novel lubricating oil pipe as claimed in claim 5, characterized in that: The cross section of the clamping ring (47) is circular, the bottom of the clamping groove (422) is circular-arc, and the circular-arc radius of the bottom of the clamping groove (422) is equal to the radius of the cross section of the clamping ring (47).

7. A novel lubricating oil pipe as claimed in claim 1, wherein: The cross section of the sealing sheet (43) is circular-arc, the outer circle radius of the cross section of the sealing sheet (43) is equal to the circular-arc radius of the bottom of the oil inlet ring groove (411), and the sealing sheet (43) covers the adjusting groove (412).