Anti-falling high-pressure oil pipe joint

Abstract

The utility model discloses an anti-drop high-pressure oil pipe joint, which relates to the technical field of oil pipe joints and comprises a joint body, the joint body is arranged at the joint of two oil pipes, the left side and the right side of the joint body are fixedly connected with first connecting cylinders, and one side of each oil pipe is fixedly connected with a second connecting cylinder. The second connecting cylinder wraps the end portion of the connector body, the side face of the first connecting cylinder is fixedly connected to the fixing plate, the side, facing the second connecting cylinder, of the fixing plate is fixedly connected with a threaded rod, one end of the threaded rod is provided with a clamping plate, and one end of the threaded rod is in threaded connection with a nut. The second connecting cylinder is inserted into the first connecting cylinder, the threaded rod is sleeved with the clamping plate, the nut is screwed in, the clamping plate moves towards the fixing plate, the fixing plate and the clamping plate are matched to enable the first connecting cylinder and the second connecting cylinder to be connected together in a sleeved mode, penetrating through the second connecting cylinder is not needed, and the risk of leakage is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of oil pipe joints, in particular to a high-pressure oil pipe joint with anti-drop function. Background Technique

[0002] The high-pressure oil pipe is an important part of the high-pressure oil circuit of machine tools, with characteristics such as high pressure resistance and corrosion prevention. It usually has several forms such as ferrule type and internal thread flat type. The high-pressure oil pipe is connected through a high-pressure oil pipe joint. Therefore, the connection between the high-pressure oil pipe joint and the high-pressure oil pipe is very important.

[0003] Chinese Patent (Publication No.: CN217815494U) discloses a high-pressure oil pipe joint with anti-drop function, including a high-pressure oil pipe joint body and a high-pressure oil pipe. A baffle is fixedly connected inside the high-pressure oil pipe joint body, and a first connecting cylinder is fixedly connected to the outside of the high-pressure oil pipe joint body. A second connecting cylinder is fixedly connected to the outside of the high-pressure oil pipe. The second connecting cylinder is sleeved on the end of the joint body, and one side of the second connecting cylinder is arranged inside the first connecting cylinder. A fixing plate is fixedly connected to the side of the first connecting cylinder. A threaded rod is fixedly connected to the side of the fixing plate facing the second connecting cylinder. A clamping plate is arranged at one end of the threaded rod. A nut is threadedly connected to one end of the threaded rod, and the nut is arranged outside the clamping plate. By setting the first connecting cylinder, the second connecting cylinder, the bolt, the baffle, the positioning column and the positioning groove, the high-pressure oil pipe is tightly connected to the baffle, and the second connecting cylinder is tightly connected to the first connecting cylinder. At the same time, the second connecting cylinder and the high-pressure oil pipe joint body are clamped through the positioning column and the positioning groove, and then the second connecting cylinder and the first connecting cylinder are fixed by bolts, so that it can effectively avoid the phenomenon that the high-pressure oil pipe joint body and the high-pressure oil pipe are loosened and dropped due to the vibration of the high-pressure oil pipe under special circumstances, and can also play a role in increasing the sealing performance. However, the device connects the first connecting cylinder and the second connecting cylinder through a bolt, increasing the area of internal and external communication, thereby increasing the risk of leakage.

[0004] In order to solve the above problems, we make improvements and propose a high-pressure oil pipe joint with anti-drop function. Content of the Utility Model

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] The utility model provides a high-pressure oil pipe joint with anti-drop function, including a joint body. The joint body is arranged at the connection of two oil pipes. First connecting cylinders are fixedly connected to both the left and right sides of the joint body. A second connecting cylinder is fixedly connected to one side of the oil pipe. The second connecting cylinder covers the end of the joint body, and one side of the second connecting cylinder is arranged inside the first connecting cylinder. A fixing plate is fixedly connected to the side of the first connecting cylinder. A threaded rod is fixedly connected to the side of the fixing plate facing the second connecting cylinder. A clamping plate is arranged at one end of the threaded rod. A nut is threadedly connected to one end of the threaded rod, and the nut is arranged outside the clamping plate.

[0007] As a preferred technical solution of the present utility model, an embedding groove is formed on the outer side of the second connecting cylinder, and the clamping plate is arranged inside the embedding groove.

[0008] As a preferred technical solution of the present utility model, a plurality of positioning blocks are fixedly connected inside the embedding groove, and the positioning blocks are embedded inside the clamping plate.

[0009] As a preferred technical solution of the present utility model, a wing plate is arranged on the side surface of the second connecting cylinder, and the wing plate is attached to the side surface of the first connecting cylinder.

[0010] As a preferred technical solution of the present utility model, a first sealing ring is fixedly connected to the end of the oil pipe, and the first sealing ring is arranged inside the joint body.

[0011] As a preferred technical solution of the present utility model, a second sealing ring is fixedly connected inside the first connecting cylinder, and the second sealing ring is arranged at the end of the second connecting cylinder.

[0012] The beneficial effects of the present utility model are as follows:

[0013] 1. In the present utility model, the joint body is connected to the connection part of two oil pipes, the second connecting cylinder is inserted into the first connecting cylinder, the clamping plate is sleeved on the threaded rod, and the nut is screwed in, so that the clamping plate moves towards the fixed plate. The fixed plate and the clamping plate cooperate to socket the first connecting cylinder and the second connecting cylinder together, without penetrating the second connecting cylinder, reducing the risk of leakage.

[0014] 2. In the present utility model, when the clamping plate cooperates with the fixed plate to fix the first connecting cylinder and the second connecting cylinder, the clamping plate is placed in the embedding groove, and the positioning blocks are embedded inside the clamping plate, so that the clamping plate is fixed on the side surface of the second connecting cylinder, making the clamping more stable. Description of the Drawings

[0015] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model, and do not constitute a limitation to the present utility model. In the drawings:

[0016] Figure 1 is the three-dimensional view of the present utility model;

[0017] Figure 2 is the unfolded view of the present utility model;

[0018] Figure 3 is the partial cross-sectional view of the present utility model;

[0019] In the figure: 1. Connector body; 2. Oil pipe; 3. First connecting cylinder; 4. Second connecting cylinder; 5. Fixed plate; 6. Threaded rod; 7. Clamping plate; 8. Nut; 9. Embedded groove; 10. Positioning block; 11. First sealing ring; 12. Second sealing ring. Detailed implementation manners

[0020] The preferred embodiments of the present utility model will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present utility model, and are not used to limit the present utility model.

[0021] Embodiment: As Figures 1-3 shown, an anti-detachment high-pressure oil pipe connector includes a connector body 1. The connector body 1 is arranged at the connection of two oil pipes 2. Both the left and right sides of the connector body 1 are fixedly connected with a first connecting cylinder 3. One side of the oil pipe 2 is fixedly connected with a second connecting cylinder 4. The second connecting cylinder 4 covers the end of the connector body 1, and one side of the second connecting cylinder 4 is arranged inside the first connecting cylinder 3. The side of the first connecting cylinder 3 is fixedly connected to a fixed plate 5. A threaded rod 6 is fixedly connected to the side of the fixed plate 5 facing the second connecting cylinder 4. One end of the threaded rod 6 is provided with a clamping plate 7. One end of the threaded rod 6 is threadedly connected with a nut 8, and the nut 8 is arranged outside the clamping plate 7.

[0022] The connector body 1 is connected at the connection of two oil pipes 2, and the second connecting cylinder 4 is inserted into the first connecting cylinder 3. The clamping plate 7 is sleeved on the threaded rod 6, and the nut 8 is screwed in, so that the clamping plate 7 moves towards the fixed plate 5. The fixed plate 5 and the clamping plate 7 cooperate to sleeve the first connecting cylinder 3 and the second connecting cylinder 4 together, without penetrating the second connecting cylinder 4, reducing the risk of leakage. There are two groups of the fixed plate 5, the threaded rod 6, the clamping plate 7 and the nut 8, which are respectively arranged at the left and right ends of the connector body 1, and each group is arranged in a circumferential arrangement in three copies.

[0023] Specifically, as Figure 2 shown, an embedded groove 9 is opened on the outer side of the second connecting cylinder 4, and the clamping plate 7 is arranged inside the embedded groove 9. A plurality of positioning blocks 10 are fixedly connected inside the embedded groove 9, and the positioning blocks 10 are embedded inside the clamping plate 7. When the clamping plate 7 cooperates with the fixed plate 5 to fix the first connecting cylinder 3 and the second connecting cylinder 4, the clamping plate 7 is placed in the embedded groove 9, and the positioning blocks 10 are embedded inside the clamping plate 7, so that the clamping plate 7 is fixed on the side of the second connecting cylinder 4, making the clamping more stable.

[0024] Specifically, as Figure 2 and Figure 3As shown in the figure, the side of the second connecting cylinder 4 is provided with a wing plate, and the wing plate is attached to the side of the first connecting cylinder 3. A rubber pad is arranged on the side of the wing plate facing the first connecting cylinder 3. The wing plate is attached to the end of the first connecting cylinder 3, and the rubber pad deforms to wrap the end of the first connecting cylinder 3, thereby sealing the side of the first connecting cylinder 3 and improving the sealing performance of the connection part.

[0025] Specifically, as Figure 3 shown in the figure, the end of the oil pipe 2 is fixedly connected with a first sealing ring 11, and the first sealing ring 11 is arranged inside the joint body 1. When the joint body 1 is connected between two oil pipes 2, the first sealing ring 11 is embedded into the joint body 1 to improve the sealing performance between the oil pipe 2 and the joint body 1.

[0026] Specifically, as Figure 3 shown in the figure, a second sealing ring 12 is fixedly connected inside the first connecting cylinder 3, and the second sealing ring 12 is arranged at the end of the second connecting cylinder 4. When the second connecting cylinder 4 is inserted into the first connecting cylinder 3, the second sealing ring 12 is embedded into the second connecting cylinder 4 to improve the sealing performance between the first connecting cylinder 3 and the second connecting cylinder 4.

[0027] Working principle: One end of the oil pipe 2 is inserted into the joint body 1, and the second connecting cylinder 4 is inserted into the first connecting cylinder 3. Rotate the joint body 1 to make the fixing plate 5 and the embedding groove 9 in the same straight line. Then, put the three clamping plates 7 on the three threaded rods 6 in sequence and screw the nuts 8 in sequence. The clamping plates 7 are placed in the embedding groove 9, and the positioning blocks 10 are embedded into the clamping plates 7. Continue to rotate the nut 8, and the nut 8 moves along the threaded rod 6 towards the fixing plate 5, thereby pushing the second connecting cylinder 4, so that the second connecting cylinder 4 and the oil pipe 2 move towards the inside of the first connecting cylinder 3 and the joint body 1. The first sealing ring 11 and the second sealing ring 12 are respectively embedded into the inside of the joint body 1 and the second connecting cylinder 4, and the wing plate is attached to the end of the first connecting cylinder 3, and the installation of the oil pipe 2 and the joint body 1 is completed.

[0028] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An anti-dropping high-pressure oil pipe joint, comprising a joint body (1), characterized in that: The joint body (1) is arranged at the connection of two oil pipes (2), and the left and right sides of the joint body (1) are fixedly connected with a first connecting tube (3), and one side of the oil pipe (2) is fixedly connected with a second connecting tube (4), the second connecting tube (4) is covered on the end of the joint body (1), and one side of the second connecting tube (4) is arranged inside the first connecting tube (3), the side of the first connecting tube (3) is fixedly connected to a fixing plate (5), and the fixing plate (5) is fixedly connected with a threaded rod (6) on the side facing the second connecting tube (4), one end of the threaded rod (6) is provided with a clamping plate (7), one end of the threaded rod (6) is threadedly connected with a nut (8), and the nut (8) is arranged on the outside of the clamping plate (7).

2. The anti-dropping high-pressure oil pipe joint according to claim 1, characterized in that: An embedding groove (9) is provided on the outer side of the second connecting tube (4), and the clamping plate (7) is arranged inside the embedding groove (9).

3. The anti-dropping high-pressure oil pipe joint according to claim 2, characterized in that: A plurality of positioning blocks (10) are fixedly connected inside the embedding groove (9), and the positioning blocks (10) are embedded inside the clamping plate (7).

4. The anti-dropping high-pressure oil pipe joint according to claim 1, characterized in that: The side surface of the second connecting tube (4) is provided with a wing plate, and the wing plate is in contact with the side surface of the first connecting tube (3).

5. The anti-dropping high-pressure oil pipe joint according to claim 1, characterized in that: The end of the oil pipe (2) is fixedly connected to a first sealing ring (11), and the first sealing ring (11) is arranged inside the joint body (1).

6. The anti-dropping high-pressure oil pipe joint according to claim 1, characterized in that: A second sealing ring (12) is fixedly connected to the interior of the first connecting tube (3), and the second sealing ring (12) is arranged at the end of the second connecting tube (4).

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