Leak-proof automobile oil pipe joint

Abstract

The utility model provides a leakproof automobile oil pipe joint, which belongs to the technical field of automobile oil pipe joints and comprises an oil inlet elbow, a connector and an oil outlet pipe, external threads are arranged at the right end of the outer surface of the oil inlet elbow and the left end of the outer surface of the oil outlet pipe, and internal threads are arranged on the left side and the right side of the interior of the connector. The oil inlet elbow and the oil outlet pipe are respectively in threaded connection with the left and right sides of the connector; by arranging the sealing rings, when the oil inlet elbow is connected with the oil outlet pipe, the two sealing rings are embedded into the left end and the right end of the interior of the connector respectively, and the sealing rings are fixedly arranged on the left side and the right side of the interior of the connector through fixing glue; and then the oil inlet elbow and the oil outlet pipe are in threaded connection with the internal threads on the left side and the right side of the connector through the external threads correspondingly, the oil inlet elbow and the oil outlet pipe abut against the sealing rings correspondingly, the sealing effect is achieved, the sealing performance of the connecting position is guaranteed, and the oil leakage preventing effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile oil pipe joints, in particular to a leakage-proof automobile oil pipe joint. Background Art

[0002] The automobile oil pipe is an important part of the automobile engine. Its main function is to connect the gasoline pump and the engine fuel injector to provide fuel. The oil pipe connects the gasoline pump and the engine fuel injector to provide the necessary fuel for the engine to ensure that the engine can operate normally. In most cars, there is also a return oil pipe. After the fuel pump supplies fuel to the engine, the return oil pipe returns the excess fuel to the fuel tank through the return oil pipe. At the same time, it can also return the excess gasoline vapor collected by the carbon canister to the fuel tank;

[0003] In the prior art, the oil inlet pipe connected to the fuel tank and the oil outlet pipe connected to the engine are usually directly connected by threads. There will be gaps at the connection of the threaded connection, which is prone to oil leakage. In addition, during the driving of the car, the oil inlet pipe and the oil outlet pipe will be in a vibrating state, which is easy to cause the connection to loosen, affecting the normal fuel supply of the car. Therefore, a leak-proof automobile oil pipe joint is designed to solve the above problems. Utility Model Content

[0004] The utility model aims to solve the problems existing in the above-mentioned background technology and proposes a leakage-proof automobile oil pipe joint.

[0005] The technical problem to be solved by the utility model is to provide a leak-proof automobile oil pipe joint, which solves the problem in the prior art that the oil inlet pipe and the oil outlet pipe are directly connected by threads, which is prone to the risk of oil leakage, and vibration may cause the oil inlet pipe and the oil outlet pipe to loosen, affecting the normal oil supply of the automobile.

[0006] The utility model provides a leakage-proof automobile oil pipe joint, comprising an oil inlet elbow, a connecting head and an oil outlet pipe, the right end of the outer surface of the oil inlet elbow and the left end of the outer surface of the oil outlet pipe are both provided with external threads, the left and right sides of the interior of the connecting head are both provided with internal threads, the oil inlet elbow and the oil outlet pipe are respectively threadedly connected to the left and right sides of the connecting head, the left and right sides of the connecting head are both internally fixed with sealing rings by fixing glue, and the left and right sides of the upper surface of the connecting head are both fixedly provided with anti-detachment components.

[0007] Preferably, the diameters at both ends of the connector are larger than the central diameter, and the central diameter of the connector is the same as the diameters of the oil inlet elbow and the oil outlet pipe.

[0008] Preferably, the inner diameter and outer diameter of the sealing ring are equal to the inner diameter and outer diameter of the oil inlet elbow and the oil outlet pipe.

[0009] Preferably, the anti-slip assembly includes a fixing plate, a through rod, a locking nut and a clamp. The fixing plate is fixedly arranged on the connecting head. The through rod is penetrated by the fixing plate. The through rod is threadedly connected with a locking nut on one side facing the center of the connecting head. The other end of the through rod is fixed with a clamp via a fixing block.

[0010] Preferably, the inner diameter of the clamp is equal to the outer diameters of the oil inlet elbow and the oil outlet pipe, and a non-slip rubber layer is fixedly provided on the inner surface of the clamp.

[0011] Preferably, the right end surface of the oil inlet elbow and the left end surface of the oil outlet pipe are both provided with an annular groove, and an embedded ring is fixedly provided at the center of the surface of one side of the sealing ring facing the two ends of the connector.

[0012] Preferably, the embedded ring and the sealing ring are both made of rubber, and the annular groove matches the embedded ring.

[0013] Compared with the prior art, the utility model has at least the following beneficial effects:

[0014] 1. The utility model is provided with sealing rings. When the oil inlet elbow is connected to the oil outlet pipe, two sealing rings are respectively embedded in the left and right ends of the connector, and the sealing rings are fixedly arranged on the left and right sides of the connector by fixing glue. Then, the oil inlet elbow and the oil outlet pipe are respectively threadedly connected to the internal threads on the left and right sides of the connector through external threads. The oil inlet elbow and the oil outlet pipe are respectively against the sealing rings to achieve a sealing effect, ensure the sealing of the connection, and achieve the effect of preventing oil leakage.

[0015] 2. The utility model is provided with an anti-detachment component. After the oil inlet elbow and the oil outlet pipe are respectively connected to the two ends of the connector, the clamps on the left and right sides of the connector are respectively sleeved on the oil inlet elbow and the oil outlet pipe, and the locking nuts are tightened to prevent the oil inlet elbow and the oil outlet pipe from rotating along the connector, and prevent the oil inlet elbow and the oil outlet pipe from loosening from the connector during the driving of the car. The oil inlet elbow and the oil outlet pipe can be ensured to be tightly attached to the sealing ring to ensure the sealing and prevent oil leakage.

[0016] 3. The utility model is provided with an embedded ring and an annular groove. When the oil inlet elbow and the oil outlet pipe are installed on the connecting head, the oil inlet elbow and the oil outlet pipe contact the sealing ring respectively, and the embedded ring is embedded in the annular groove, thereby increasing the contact area between the sealing ring and the ends of the oil inlet elbow and the oil outlet pipe, increasing the sealing effect, and further achieving the effect of preventing oil leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the specific implementation or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0019] Figure 2 It is a schematic diagram of the overall structure of the utility model.

[0020] Figure 3 For this utility model Figure 2 A is an enlarged schematic diagram of the structure.

[0021] Figure 4 It is a schematic diagram of the vertical cutting structure of the connector of the utility model.

[0022] Figure 5 For this utility model Figure 4 Enlarged structural diagram at point B.

[0023] [reference numerals]

[0024] 1. Oil inlet elbow; 2. Connector; 201. Internal thread; 3. Oil outlet pipe; 4. External thread; 5. Sealing ring; 501. Embedded ring; 6. Fixing plate; 7. Through rod; 8. Locking nut; 9. Clamp; 10. Annular groove. DETAILED DESCRIPTION

[0025] Example:

[0026] like Figure 1-Figure 5 As shown, an embodiment of the utility model provides a leakage-proof automobile oil pipe joint, including an oil inlet elbow 1, a connecting head 2 and an oil outlet pipe 3, the right end of the outer surface of the oil inlet elbow 1 and the left end of the outer surface of the oil outlet pipe 3 are both provided with external threads 4, the left and right sides of the interior of the connecting head 2 are both provided with internal threads 201, the oil inlet elbow 1 and the oil outlet pipe 3 are respectively threadedly connected to the left and right sides of the connecting head 2, the left and right sides of the connecting head 2 are both internally fixed with sealing rings 5 ​​by fixing glue, and the left and right sides of the upper surface of the connecting head 2 are both fixedly provided with anti-detachment components.

[0027] By providing a sealing ring 5, when the oil inlet elbow 1 is connected to the oil outlet pipe 3, the two sealing rings 5 ​​are respectively embedded in the left and right ends of the interior of the connector 2, and the sealing rings 5 ​​are fixedly arranged on the left and right sides of the interior of the connector 2 by fixing glue, and then the oil inlet elbow 1 and the oil outlet pipe 3 are respectively threadedly connected to the internal threads on the left and right sides of the connector 2 through the external threads 4, and the oil inlet elbow 1 and the oil outlet pipe 3 are respectively against the sealing rings 5, so as to achieve a sealing effect, ensure the sealing of the connection, and achieve the effect of preventing oil leakage.

[0028] In this embodiment, the diameters at both ends of the connector 2 are larger than the central diameter, and the central diameter of the connector 2 is the same as the diameters of the oil inlet elbow 1 and the oil outlet pipe 3, ensuring that the connector 2 will not affect the oil inlet and outlet of the oil inlet elbow 1 and the oil outlet pipe 3.

[0029] In this embodiment, the inner diameter and outer diameter of the sealing ring 5 are equal to the inner diameter and outer diameter of the oil inlet elbow 1 and the oil outlet pipe 3, ensuring that the oil inlet elbow 1 and the oil outlet pipe 3 contact the sealing ring 5 to achieve a sealing effect at the connection.

[0030] In this embodiment, the anti-slip assembly includes a fixing plate 6, a through rod 7, a locking nut 8 and a clamp 9. The fixing plate 6 is fixedly arranged on the connecting head 2, and a through rod 7 is arranged through the fixing plate 6. The locking nut 8 is threadedly connected to the through rod 7 on one side facing the center of the connecting head 2, and the other end of the through rod 7 is fixedly arranged with a clamp 9 through a fixing block.

[0031] In this embodiment, the inner diameter of the clamp 9 is equal to the outer diameter of the oil inlet elbow 1 and the oil outlet pipe 3, and a non-slip rubber layer is fixedly provided on the inner surface of the clamp 9 to increase the friction between the clamp 9 and the oil inlet elbow 1 and the oil outlet pipe 3 to ensure the stability of positioning.

[0032] By providing an anti-detachment component, after the oil inlet elbow 1 and the oil outlet pipe 3 are respectively connected to the two ends of the connector 2, the clamps 9 on the left and right sides of the connector 2 are respectively sleeved on the oil inlet elbow 1 and the oil outlet pipe 3, and the locking nuts 8 are tightened, so as to prevent the oil inlet elbow 1 and the oil outlet pipe 3 from rotating along the connector 2, and prevent the oil inlet elbow 1 and the oil outlet pipe 3 from loosening from the connector 2 during the driving of the car, and ensure that the oil inlet elbow 1 and the oil outlet pipe 3 are tightly attached to the sealing ring 5 to ensure the sealing, thereby preventing oil leakage.

[0033] In this embodiment, an annular groove 10 is formed on the right end surface of the oil inlet elbow 1 and the left end surface of the oil outlet pipe 3 , and an embedded ring 501 is fixedly provided at the center of the surface of the sealing ring 5 facing both ends of the connector 2 .

[0034] In this embodiment, the embedding ring 501 and the sealing ring 5 are both made of rubber, and the annular groove 10 and the embedding ring 501 are matched to facilitate the embedding ring 501 to be embedded in the annular groove 10 .

[0035] By providing the embedded ring 501 and the annular groove 10, when the oil inlet elbow 1 and the oil outlet pipe 3 are installed on the connecting head 2, the oil inlet elbow 1 and the oil outlet pipe 3 contact the sealing ring 5 respectively, and the embedded ring 501 is embedded in the annular groove 10, thereby increasing the contact area between the sealing ring 5 and the ends of the oil inlet elbow 1 and the oil outlet pipe 3, increasing the sealing effect, and further achieving the effect of preventing oil leakage.

[0036] The above are only preferred implementations of the utility model. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the concept of the utility model. These should also be regarded as the protection scope of the utility model. These will not affect the effect of the implementation of the utility model and the practicality of the patent.

Claims

1. A leak-proof automobile oil pipe joint, characterized in that: The invention comprises an oil inlet elbow (1), a connector (2) and an oil outlet pipe (3), wherein the right end of the outer surface of the oil inlet elbow (1) and the left end of the outer surface of the oil outlet pipe (3) are both provided with external threads (4), the left and right sides of the interior of the connector (2) are both provided with internal threads (201), the oil inlet elbow (1) and the oil outlet pipe (3) are respectively threadedly connected to the left and right sides of the connector (2), the left and right sides of the connector (2) are both internally fixed with sealing rings (5) by fixing glue, and the left and right sides of the upper surface of the connector (2) are both fixedly provided with anti-slip components.

2. The anti-leakage automobile oil pipe joint according to claim 1, characterized in that: The diameters of both ends of the connector (2) are larger than the central diameter, and the central diameter of the connector (2) is the same as the diameters of the oil inlet elbow (1) and the oil outlet pipe (3).

3. The anti-leakage automobile oil pipe joint according to claim 2, characterized in that: The inner diameter and outer diameter of the sealing ring (5) are equal to the inner diameter and outer diameter of the oil inlet elbow (1) and the oil outlet pipe (3).

4. The anti-leakage automobile oil pipe joint according to claim 1, characterized in that: The anti-slip assembly comprises a fixing plate (6), a through rod (7), a locking nut (8) and a clamp (9); the fixing plate (6) is fixedly arranged on the connecting head (2); a through rod (7) is penetrated by the fixing plate (6); a locking nut (8) is threadedly connected to one side of the through rod (7) facing the center of the connecting head (2); and a clamp (9) is fixedly arranged on the other end of the through rod (7) via a fixing block.

5. The anti-leakage automobile oil pipe joint according to claim 4, characterized in that: The inner diameter of the clamp (9) is equal to the outer diameters of the oil inlet elbow (1) and the oil outlet pipe (3), and a non-slip rubber layer is fixedly provided on the inner surface of the clamp (9).

6. The anti-leakage automobile oil pipe joint according to claim 1, characterized in that: The right end surface of the oil inlet elbow (1) and the left end surface of the oil outlet pipe (3) are both provided with an annular groove (10), and an embedded ring (501) is fixedly provided at the center of the surface of one side of the sealing ring (5) facing the two ends of the connector (2).

7. The anti-leakage automobile oil pipe joint according to claim 6, characterized in that: The embedded ring (501) and the sealing ring (5) are both made of rubber material, and the annular groove (10) is matched with the embedded ring (501).

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