Leakage-proof oil pipe joint

By introducing an innovative design of a fixed limiting component and a docking and transmission component into the oil pipe joint, the problems of poor sealing and insufficient firmness are solved, enabling tight docking and easy disassembly of the oil pipe joint, and improving the sealing effect and connection stability.

CN224033307UActive Publication Date: 2026-03-24HEFEI QIANLI PLASTIC MOULD CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-23
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing oil pipe joints suffer from poor sealing and insufficient firmness during connection. After prolonged use, the sealing rings become brittle, affecting the connection performance.

Method used

The design employs a fixed limiting component and a docking and transmission component, including a sliding groove, a pressing limiting rod, a contact plate, a locking block, and a docking sealing ring, to achieve tight docking and easy disassembly of the oil pipe joint.

Benefits of technology

It improves the sealing and robustness of the oil pipe joint, prevents oil leakage, and simplifies the docking and disassembly process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of oil pipe joints, solves the technical problem that the sealing effect is poor through a sealing ring, and particularly relates to a leakage-proof oil pipe joint which comprises a butt-joint sleeve serving as a supporting foundation, and a butt-joint transmission assembly used for butt-joint transmission of oil is arranged in the butt-joint sleeve. The butt joint sleeve is provided with a fixing and limiting assembly used for limiting the butt joint sleeve and the butt joint transmission assembly, the fixing and limiting assembly comprises sliding grooves formed in the upper portion and the lower portion of the butt joint sleeve, and the top ends of the sliding grooves are rotationally connected with pressing and limiting rods through supports. Due to the arrangement of the fixed limiting assembly, the butt joint between the butt joint sleeve and the butt joint transmission assembly is tighter, oil leakage is prevented, the abutting plate is driven to move by pressing the limiting rod to turn over, limiting of the butt joint sleeve and the butt joint transmission assembly is achieved, and the butt joint and disassembly process is simpler and more convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of oil pipe joint especially relates to a leakproof oil pipe joint. BACKGROUND

[0002] In the process of connecting the oil pipe of the automobile, the oil pipe joint is usually adopted, and the firmness and the sealing property of the connection are the most important problems in the process of connecting. The general oil pipe joint adopts the sealing ring or the screw thread to fix the oil pipe needing to be connected, but it cannot guarantee the firmness of the oil pipe connection, and the sealing property will become brittle due to the lengthening of the use time of the sealing ring, thereby affecting the sealing effect. SUMMARY

[0003] In view of the defects of the prior art, the utility model provides a leakproof oil pipe joint, solves the technical problem of poor sealing effect of the sealing ring, and achieves the purpose of improving the sealing property.

[0004] In order to solve the above technical problems, the utility model provides the following technical scheme: a leakproof oil pipe joint, including the butt joint sleeve as the support base, the butt joint sleeve is internally provided with the butt joint transmission assembly for butt joint transmission of oil, the butt joint sleeve is provided with the fixed limiting assembly for limiting the butt joint sleeve and the butt joint transmission assembly,

[0005] The fixed limiting assembly includes the sliding groove opened above and below the butt joint sleeve, the sliding groove top is rotatably connected with the pressing limiting rod through the support, the pressing limiting rod bottom is rotatably connected with the abutting plate in the sliding groove inner side, the abutting plate bottom one side is fixedly connected with the clamping block, and the butt joint sleeve top and bottom are all fixedly connected with the limiting support.

[0006] Preferably, the abutting plate is slidably connected in the sliding groove inner side, and the sliding groove inner side depth is greater than the length of the abutting plate.

[0007] Preferably, the pressing limiting rod far end away from the abutting plate is embedded with the limiting support, the clamping block extends to the inside of the butt joint sleeve through the butt joint sleeve, and a through groove is formed at the connection between the butt joint sleeve inner side and the clamping block.

[0008] Preferably, the butt joint transmission assembly includes the external fixed ring arranged at one end of the butt joint sleeve outer side, the external fixed ring one end close to the butt joint sleeve is fixedly connected with the transmission pipe, the transmission pipe outer side is fixedly connected with the butt joint sealing ring, the butt joint sealing ring top and bottom are all provided with the embedded groove, the butt joint sealing ring both sides are all provided with the through groove, and the transmission pipe far end away from the external fixed ring is fixedly connected with the extension sealing pipe.

[0009] Preferably, the width of the through groove is greater than the width of the clamping block, and the clamping block is embedded with the embedded groove.

[0010] Preferably, the butt joint sleeve and the outer fixed ring are fixedly connected with the calibration rods at the top and bottom ends, and the calibration rods on the butt joint sleeve and the outer fixed ring are embedded with each other.

[0011] By the above technical scheme, the utility model provides a leakproof oil pipe joint with at least the following beneficial effects:

[0012] 1、The utility model discloses a fixed limiting component is set, makes the butt joint of butt joint sleeve and butt joint transmission component more closely, thereby prevents oil leakage, and through pressing the limiting rod overturning drive and touch board displacement, realizes the limiting of butt joint sleeve and butt joint transmission component, makes the butt joint and dismounting process more simple.

[0013] 2、The utility model discloses a butt joint transmission component is set, makes the transfer of oil more convenient, and can cooperate with fixed limiting component, makes the butt joint of butt joint sleeve and butt joint transmission component after butt jointing can be more closely. DRAWINGS

[0014] The drawings described herein are used to provide further understanding of the present application, and form a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application, and do not constitute improper limitations on the present application.

[0015] In the drawings:

[0016] Figure 1 It is the three-dimensional structure schematic view of the utility model;

[0017] Figure 2 It is the card embedding block mounting structure schematic view of the utility model;

[0018] Figure 3 It is the touch board mounting structure schematic view of the utility model;

[0019] Figure 4 It is the embedded groove opening structure schematic view of the utility model.

[0020] In the drawings: 1, butt joint sleeve; 2, fixed limiting component; 21, sliding groove; 22, pressing limiting rod; 23, touch board; 24, card embedding block; 25, limiting support;

[0021] 3, butt joint transmission component; 31, outer fixed ring; 32, transmission pipe; 33, butt joint sealing ring; 34, embedded groove; 35, through groove; 36, extension sealing pipe;

[0022] 4, calibration rod. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of the present utility model.

[0024] Embodiment 1

[0025] Generally, the oil pipe joint adopts a sealing ring or a thread to fix the oil pipe to be connected, but it cannot guarantee the firmness of the oil pipe connection, and the sealing property will become brittle due to the lengthening of the use time of the sealing ring, thereby affecting the sealing effect. Please refer to Figures 1-4 The present embodiment provides a leakage-proof oil pipe joint, which solves the technical problem of poor sealing effect by a sealing ring. The device comprises a butt joint sleeve 1 as a supporting base, a butt joint transmission assembly 3 for butt joint transmission of oil is arranged inside the butt joint sleeve 1, and a fixed limiting assembly 2 for limiting the butt joint sleeve 1 and the butt joint transmission assembly 3 is arranged on the butt joint sleeve 1. The transmission of oil is realized by the butt joint transmission assembly 3 and the butt joint sleeve 1, and the butt joint between the butt joint transmission assembly 3 and the butt joint sleeve 1 is made more compact by the fixed limiting assembly 2.

[0026] Generally, the oil pipe joint adopts a sealing ring or a thread to fix the oil pipe to be connected, but it cannot guarantee the firmness of the oil pipe connection, and the sealing property will become brittle due to the lengthening of the use time of the sealing ring, thereby affecting the sealing effect. In order to solve such problems, the fixed limiting assembly 2 is proposed. The fixed limiting assembly 2 comprises sliding grooves 21 opened above and below the butt joint sleeve 1, a pressing limiting rod 22 is rotatably connected to the top end of the sliding groove 21 through a support, a resisting plate 23 is rotatably connected to the bottom end of the pressing limiting rod 22 inside the sliding groove 21, a clamping block 24 is fixedly connected to one side of the bottom end of the resisting plate 23, and a limiting support 25 is fixedly connected to the top end and the bottom end of the butt joint sleeve 1. The resisting plate 23 is slid inside the sliding groove 21 by turning the pressing limiting rod 22, and the limiting of the pressing limiting rod 22 is realized by embedding the end of the pressing limiting rod 22 with the limiting support 25.

[0027] In order to prevent the resisting plate 23 from being stuck inside the sliding groove 21 when the limiting is not completed. The resisting plate 23 is slidably connected inside the sliding groove 21, and the depth of the inside of the sliding groove 21 is greater than the length of the resisting plate 23.

[0028] In order to enable the pressing limiting rod 22 to be limited between the limiting support 25 after being pressed to the lowest position. The pressing limiting rod 22 is embedded with the limiting support 25 away from the one end of the abutting plate 23, the clamping block 24 extends to the inside of the butt joint sleeve 1, and a through groove is formed at the connection between the inside of the butt joint sleeve 1 and the clamping block 24, so that the clamping block 24 can slide in the butt joint sleeve 1.

[0029] Embodiment 2

[0030] On the basis of embodiment 1, embodiment 1 solves the technical problem of poor sealing effect of the sealing ring, but the butt joint process between the transmission pipes is too complex, and in combination with Figures 1-4 As shown in the figure, the specific implementation process is as follows: in order to realize the transmission of oil, the butt joint transmission assembly 3 includes an external fixed ring 31 arranged at one end of the outside of the butt joint sleeve 1, the external fixed ring 31 is fixedly connected with a transmission pipe 32 close to one end of the butt joint sleeve 1, the butt joint and the transmission of oil are realized through the transmission pipe 32, the butt joint sealing ring 33 is fixedly connected with the transmission pipe 32 outside, the butt joint sealing ring 33 is provided with an embedded groove 34 at the top and the bottom, the clamping block 24 and the embedded groove 34 are embedded, the transmission pipe 32 and the butt joint sleeve 1 are tightly butted and combined, the through groove 35 is formed at both sides of the butt joint sealing ring 33, and the extension sealing pipe 36 is fixedly connected with the transmission pipe 32 away from the external fixed ring 31.

[0031] In order to prevent the butt joint sealing ring 33 from being limited with the clamping block 24 in the process of the transmission pipe 32 penetrating into the inside of the butt joint sleeve 1, the width of the through groove 35 is greater than the width of the clamping block 24, and the clamping block 24 is embedded with the embedded groove 34.

[0032] In order to correspond the position of the clamping block 24 and the embedded groove 34 after the transmission pipe 32 penetrates into the inside of the butt joint sleeve 1, the calibration rod 4 is fixedly connected with the top and the bottom of the outside of the butt joint sleeve 1 and the external fixed ring 31, and the calibration rods 4 on the butt joint sleeve 1 and the external fixed ring 31 are embedded with each other.

[0033] It should be noted that in this paper, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A leak-proof oil pipe joint, comprising a butt sleeve (1) as a supporting base, characterized in that: The docking sleeve (1) is provided with a docking and transmission assembly (3) for docking and transmitting oil, and the docking sleeve (1) is provided with a fixing and limiting assembly (2) for limiting the docking sleeve (1) and the docking and transmission assembly (3). The fixed limiting component (2) includes sliding grooves (21) opened above and below the docking sleeve (1). The top of the sliding groove (21) is rotatably connected to a pressing limiting rod (22) via a support. The bottom of the pressing limiting rod (22) is rotatably connected to an abutment plate (23) inside the sliding groove (21). A locking block (24) is fixedly connected to one side of the bottom of the abutment plate (23). Limiting brackets (25) are fixedly connected to both the top and bottom of the docking sleeve (1).

2. The leak-proof oil pipe joint according to claim 1, characterized in that: The contact plate (23) is slidably connected to the inside of the sliding groove (21), and the inner depth of the sliding groove (21) is greater than the length of the contact plate (23).

3. The leak-proof oil pipe joint according to claim 1, characterized in that: The end of the pressing limit rod (22) away from the contact plate (23) is fitted with the limit bracket (25), the locking block (24) extends through the docking sleeve (1) into its interior, and a through groove is provided at the connection between the inner side of the docking sleeve (1) and the locking block (24).

4. The leak-proof oil pipe joint according to claim 1, characterized in that: The docking and transmission assembly (3) includes an external fixing ring (31) disposed at one end of the docking sleeve (1). A transmission pipe (32) is fixedly connected to one end of the external fixing ring (31) near the docking sleeve (1). A docking sealing ring (33) is fixedly connected to the outside of the transmission pipe (32). A fitting groove (34) is provided at both the top and bottom of the docking sealing ring (33). A through groove (35) is provided on both sides of the docking sealing ring (33). An extension sealing pipe (36) is fixedly connected to one end of the transmission pipe (32) away from the external fixing ring (31).

5. A leak-proof oil pipe joint according to claim 4, characterized in that: The width of the through slot (35) is greater than the width of the insert block (24), and the insert block (24) is engaged with the fitting slot (34).

6. A leak-proof oil pipe joint according to claim 4, characterized in that: The top and bottom of the docking sleeve (1) and the outer fixing ring (31) are both fixedly connected with calibration rods (4), and the calibration rods (4) on the docking sleeve (1) and the outer fixing ring (31) are interlocked.