Pressure-resistant and anti-falling hydraulic pipe connector

By sleeves on the hydraulic pipe joints and fixing them with set screws, combined with moving columns and spring adjustments, the problems of hydraulic pipe joints falling off and leaking under high pressure are solved, achieving a more reliable connection.

CN223447889UActive Publication Date: 2025-10-17SHAN DONG SAN WANG HYDRAULIC FLUID TECH CO LTD
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Patent Information

Application Number
CN202423032643.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-09
Publication Date
2025-10-17
Estimated Expiration
2034-12-09

AI Technical Summary

Technical Problem

Existing hydraulic pipe joints are prone to falling off under high pressure conditions and there is a problem of hydraulic oil leakage.

Method used

A pressure-resistant and anti-detachment hydraulic pipe connector is designed. After the connector is connected, a sleeve is put on and fixed with a set screw. Combined with the adjustment of the movable column and the spring, the oil circuit is decompressed and the connection is stable to prevent it from falling off due to excessive pressure.

Benefits of technology

The connection reliability of the hydraulic pipe joint is improved, and it is prevented from falling off due to excessive pressure, thereby avoiding leakage of hydraulic oil.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223447889U_ABST
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Abstract

The utility model relates to the technical field of hydraulic pipe joints, in particular to a compression-resistant and anti-disengaging hydraulic pipe connector which comprises a shell, a movable column is installed on the inner wall of one side of the shell in a sliding mode, a spring is fixedly installed on the outer wall of one side of the movable column, and a stud is movably installed at one end of the spring. A baffle is fixedly installed on the inner wall of one side of the shell, an oil return path is formed in the inner wall of one side of the shell, and an oil outlet path is formed in the inner wall of one side of the shell. The compression-resistant and anti-disengaging hydraulic pipe connector has the advantages that after the connector is connected, the sleeve is arranged on the outer wall of a connected hydraulic pipe in a sleeving mode, and then the set screw on the sleeve is screwed downwards to enable the tip to make contact with the connected pipe, so that the connection reliability is improved; and the oil path has a pressure reduction effect through the action of the movable column and the spring, so that the pressure resistance of the joint is realized, and the joint is prevented from falling off due to overlarge pressure.
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Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic pipe joint technical field, concretely is a kind of anti-pressure and anti-drop hydraulic pipe connector. BACKGROUND

[0002] Hydraulic pipe is a kind of pipeline for transmitting hydraulic pressure, which is widely used in various fields of our life. However, when connecting the pipeline, the pipe joint is an indispensable main component, which is a part connecting the pipeline or mounting the pipeline on the hydraulic element in the hydraulic system, and plays an indispensable important role in the pipe fitting, so the hydraulic pipe sealing joint is particularly important.

[0003] Hydraulic pipe joint is an indispensable connecting piece in hydraulic system, which is used to effectively connect high-pressure oil pipe, ensure the smooth transmission of hydraulic fluid and normal operation of system. According to different structure and function, hydraulic pipe joint can be divided into various types, including hydraulic hose, high-pressure ball valve, quick connector, sleeve pipe joint, welded pipe joint, etc. Among them, quick connector and rotary pipe joint are often used in occasions that need to be frequently disassembled and reconnected, while special stainless steel pipe joint and copper joint are used in specific working environment to meet the requirements of corrosion resistance and strength, and the design of these joints with different characteristics ensures the safety and reliability of hydraulic system under high pressure.

[0004] However, when the pressure of hydraulic oil is too large, the existing hydraulic pipe joint falls off, and secondly, when the joint is disconnected, the problem of hydraulic oil leakage and spraying occurs, causing certain loss and pollution. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of anti-pressure and anti-drop hydraulic pipe connector to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of anti-pressure and anti-drop hydraulic pipe connector, the anti-pressure and anti-drop hydraulic pipe connector includes:

[0007] The shell is slidably installed with a moving column on one side inner wall, a spring is fixedly installed on the outer wall of one side of the moving column, and a stud is movably installed at one end of the spring;

[0008] A baffle is fixedly installed on the inner wall of one side of the shell, an oil return oil way is formed in the inner wall of one side of the shell, and an oil outlet oil way is formed in the inner wall of one side of the shell.

[0009] Preferably, an oil outlet is fixedly installed on the outer wall of one side of the shell, and an oil inlet is fixedly installed on the outer wall of one side of the shell.

[0010] Preferably, the oil inlet side outer wall is fixedly provided with a sleeve, the outer surface of the sleeve is symmetrically fixedly provided with a set screw, the oil outlet side outer wall is fixedly provided with a sleeve, and the outer surface of the sleeve is symmetrically fixedly provided with a set screw.

[0011] Preferably, the outer circular surface of the set screw is provided with a thread, the outer wall of the set screw is provided with a notch, and the set screw is fixedly provided with a center at one end.

[0012] Preferably, the oil outlet and the oil inlet side inner wall are provided with a thread.

[0013] Preferably, the stud is fixedly provided with a guide column at one end, and the stud is fixedly provided with a knob at the outer wall of the end away from the guide column.

[0014] Preferably, the outer circular surface of the knob is provided with a through hole.

[0015] Compared with the prior art, the hydraulic pipe connector has the advantages that:

[0016] The anti-pressure and anti-falling hydraulic pipe connector is characterized in that a sleeve is sleeved on the outer wall of the connected hydraulic pipe after the connector is connected, then the set screw on the sleeve is screwed down to make the center contact the connected pipe, thereby improving the reliability of the connection, the oil passage has a pressure reduction effect through the action of the moving column and the spring, thereby realizing the pressure resistance of the connector and preventing the connector from falling off due to excessive pressure. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is the utility model Figure 1 It is an enlarged view of the A area structure in the utility model;

[0019] Figure 3 It is a side full section structural schematic view of the utility model;

[0020] Figure 4 It is the utility model Figure 3 It is an enlarged view of the B area structure in the utility model.

[0021] In the drawing: 1, shell; 2, stud; 3, set screw; 4, sleeve; 5, oil outlet; 6, oil inlet; 7, knob; 8, through hole; 9, guide column; 10, spring; 11, notch; 12, thread; 13, center; 14, moving column; 15, oil return oil passage; 16, oil outlet oil passage; 17, baffle. DETAILED DESCRIPTION

[0022] In order to make the utility model purposes, technical solutions carry out clearly, complete description, and the advantages are more clear and explicit, the following combining with the drawings to the utility model embodiment further detailed explanation.Should understand, the specific embodiment described here is a part of the utility model embodiment, rather than all the embodiments, only to explain the utility model embodiment, and is not used to limit the utility model embodiment, all other embodiments obtained by the ordinary skill in the art without doing the premise of creative work, it belongs to the scope of the utility model protection.

[0023] Please refer to Figures 1 to 4 The utility model provides a kind of technical scheme: a pressure-resistant and anti-dropping hydraulic pipe connector, the pressure-resistant and anti-dropping hydraulic pipe connector includes:

[0024] The shell 1 is slidably mounted with a moving column 14 on one side inner wall, the moving column 14 moves in the shell 1 to realize the adjustment control loop oil pressure, the moving column 14 is fixedly installed with spring 10 on one side outer wall, the compression and stretching of spring 10 are used to adjust the maximum oil pressure of loop, the end of spring 10 is movably installed with stud 2, the rotation of stud 2 adjusts the stretching and compression of spring 10, calculates the pressure required by control loop, then rotates stud 2 through through-hole 8, stud 2 moves downward through thread 12 to make spring 10 compress, so as to realize the maximum oil pressure in the adjustment control loop;

[0025] The shell 1 is fixedly installed with baffle 17 on one side inner wall, the baffle 17 is formed on the one side inner wall of shell 1 by processing, the baffle 17 is used to isolate oil circuit to generate return oil circuit 15, the shell 1 is provided with return oil circuit 15 on one side inner wall, the return oil circuit 15 realizes the oil pressure of adjustment control loop, the shell 1 is provided with oil outlet circuit 16 on one side inner wall, and the oil outlet circuit 16 is used to guide oil.

[0026] The shell 1 is fixedly installed with oil outlet 5 on one side outer wall, and the oil outlet 5 is used to guide the oil in the shell 1 to export, and the oil outlet 5 is welded on the outer circular surface of the shell 1, and the shell 1 is fixedly installed with oil inlet 6 on one side outer wall, and the oil inlet 6 is used to guide oil into the shell 1, and the oil inlet 6 is welded on the outer circular surface of the shell 1.

[0027] The oil inlet 6 is fixedly installed with sleeve 4 on one side outer wall, the sleeve 4 is used to further fixedly connect, the sleeve 4 is fixedly installed with tight screw 3 on the outer surface, the tight screw 3 is fixedly connected with the connected oil pipe by the rotation of thread 12, the oil outlet 5 is fixedly installed with sleeve 4 on one side outer wall, the sleeve 4 is fixedly installed with tight screw 3 on the outer surface, the connected pipe is fixedly connected with the oil outlet 5 and the oil inlet 6 by thread 12, then the rotation of slot 11 drives the tailstock 13 to move downward, so that the connection becomes more reliable.

[0028] The outer circumferential surface of the close screw 3 is provided with threads 12, the threads 12 make the parts move or connect, the outer wall of one side of the close screw 3 is provided with a notch 11, the rotation of the close screw 3 is realized through the notch 11, one end of the close screw 3 is fixedly provided with a center 13, the center 13 is used for being fixed on the connected pipe, the oil outlet 5 and the oil inlet 6 are provided with threads 12 on the inner wall of one side, the threads 12 are used for connecting the hydraulic pipe.

[0029] The stud 2 is fixedly provided with a guide column 9 on the outer wall of one end, the guide column 9 prevents the spring 10 from deviating to make the supercharging mechanism invalid, the stud 2 is fixedly provided with a knob 7 on the outer wall of the end far away from the guide column 9, the knob 7 is welded on the outer wall of one side of the guide column 9, the outer circumferential surface of the knob 7 is provided with a through hole 8, the rotation of the knob 7 is realized through the through hole 8, when the oil pressure is small, the oil passes through the oil inlet 6, passes through the oil outlet oil way 16 to the oil outlet 5, when the oil pressure increases, the oil pressure of the oil outlet 5 increases and passes through the oil return oil way 15, the oil pressure lifts up the guide column 9, one end of the guide column 9 interrupts the oil outlet oil way 16, so that the oil cannot flow.

[0030] When the device works, first, the connected pipe is fixedly connected with the oil outlet 5 and the oil inlet 6 through the threads 12, then the rotation of the notch 11 drives the center 13 to move downwards, so that the connection becomes more reliable, the pressure required by the control circuit is calculated, then the stud 2 is rotated through the through hole 8, the stud 2 moves downwards through the threads 12, so that the spring 10 is compressed, thereby realizing the adjustment of the maximum oil pressure in the control circuit, when the oil pressure is small, the oil passes through the oil inlet 6, passes through the oil outlet oil way 16 to the oil outlet 5, when the oil pressure increases, the oil pressure of the oil outlet 5 increases and passes through the oil return oil way 15, the oil pressure lifts up the guide column 9, one end of the guide column 9 interrupts the oil outlet oil way 16, so that the oil cannot flow, the control circuit is protected, and the pressure resistance is realized.

[0031] 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 modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A hydraulic pipe connector that is resistant to pressure and can prevent falling off, characterized by: The pressure-resistant and anti-detachment hydraulic pipe connector includes: The housing (1) has a movable column (14) slidably mounted on one inner wall thereof, a spring (10) fixedly mounted on one outer wall thereof, and a stud (2) movably mounted on one end of the spring (10); A baffle (17) is fixedly mounted on the inner wall of one side of the shell (1), an oil return passage (15) is opened on the inner wall of one side of the shell (1), and an oil outlet passage (16) is opened on the inner wall of one side of the shell (1).

2. The pressure-resistant and anti-detachment hydraulic pipe connector according to claim 1, characterized in that: An oil outlet (5) is fixedly mounted on the outer wall of one side of the housing (1), and an oil inlet (6) is fixedly mounted on the outer wall of one side of the housing (1).

3. The pressure-resistant and anti-detachment hydraulic pipe connector according to claim 2, characterized in that: A sleeve (4) is fixedly mounted on the outer wall of one side of the oil inlet (6), and a set screw (3) is symmetrically fixedly mounted on the outer surface of the sleeve (4); a sleeve (4) is fixedly mounted on the outer wall of one side of the oil outlet (5), and a set screw (3) is symmetrically fixedly mounted on the outer surface of the sleeve (4).

4. The pressure-resistant and anti-detachment hydraulic pipe connector according to claim 3, characterized in that: The outer surface of the set screw (3) is provided with a thread (12), the outer wall of one side of the set screw (3) is provided with a notch (11), and a top (13) is fixedly installed at one end of the set screw (3).

5. The pressure-resistant and anti-detachment hydraulic pipe connector according to claim 3, characterized in that: The inner walls of one side of the oil outlet (5) and the oil inlet (6) are provided with threads (12).

6. The pressure-resistant and anti-detachment hydraulic pipe connector according to claim 1, characterized in that: A guide column (9) is fixedly mounted on the outer wall of one end of the stud (2), and a knob (7) is fixedly mounted on the outer wall of the end of the stud (2) away from the guide column (9).

7. The pressure-resistant and anti-detachment hydraulic pipe connector according to claim 6, characterized in that: A through hole (8) is provided on the outer circumferential surface of the knob (7).