Fixed mounting structure of hydraulic hose connector

The combined design of the connector core rod, sleeve, flared tube and rubber ring solves the problem of damage caused by the sharp edge of the hydraulic hose connector end, prevents leakage and extends the service life, while preventing the sleeve from loosening.

CN223399473UActive Publication Date: 2025-09-30NINGBO JIASHENG HYDRAULIC TECH CO LTD
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Patent Information

Application Number
CN202422803000.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-18
Publication Date
2025-09-30
Estimated Expiration
2034-11-18

AI Technical Summary

Technical Problem

The sharp edge of the end of the hydraulic hose connector can easily cause damage to the hose surface during long-term contact with the hydraulic hose, resulting in leakage and shortening the service life.

Method used

The design of the joint core rod, sleeve, internal and external flared tubes, annular groove and rubber ring is adopted. The fixed connection of the flared tube and the isolation of the rubber ring avoid direct contact between the joint end and the hose, and the locking nut and locking screw are used to prevent the sleeve from loosening.

Benefits of technology

It effectively prevents the hydraulic hose surface from being damaged, prolongs the service life of the hose, prevents leakage, and prevents the sleeve from loosening and slipping.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of hose joints, in particular to a fixed installation structure of a hydraulic hose joint. According to the technical scheme, the connector comprises a connector core rod and a sleeve, the connector core rod is located in the sleeve, one end of the connector core rod is fixedly connected with an internal flaring pipe, the tail end of the internal flaring pipe is fixedly connected with a connecting nut, one end of the sleeve is fixedly connected with an external flaring pipe, and the external flaring pipe is fixedly connected to the outer surface of the internal flaring pipe in a sleeving mode. Annular clamping grooves are formed in the end, away from the inner flared pipe, of the outer surface of the connector core rod and the end, away from the outer flared pipe, of the inner wall of the sleeve correspondingly, and rubber rings are clamped into the two annular clamping grooves correspondingly. According to the hydraulic hose connector, the sharp edge of the end of the hydraulic hose connector can be prevented from making contact with the surface of a hydraulic hose, so that the leakage phenomenon caused by damage to the surface of the hydraulic hose in the long-term use process is avoided, and the service life of the hydraulic hose is prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of hose joints, in particular to a fixed installation structure of a hydraulic hose joint. Background Art

[0002] The hydraulic system is a mechanism that compresses liquid and transmits pressure through pipes. The system has the advantages of high efficiency, precision and stability. Hydraulic hoses are a vital component of the hydraulic system. They are used to connect various parts and keep the system running stably. Hydraulic hose connectors are the components that connect the hydraulic hoses and equipment in the hydraulic system. They are mainly used to ensure the circulation of liquid and transfer liquid energy.

[0003] At present, the hydraulic hose joint is mainly composed of a joint core rod and a sleeve. The joint core rod is inserted into the end of the hydraulic hose, and the sleeve is sleeved on the outer surface of the end of the hydraulic hose, thereby fixing the joint on the hydraulic hose. However, during long-term use of the fixed joint, the sharp edge of the joint end is in contact with the hydraulic hose for a long time, which can easily cause damage to the surface of the hydraulic hose, resulting in rupture and damage to the hydraulic hose, thereby reducing the service life of the hydraulic hose. Therefore, a fixed installation structure for a hydraulic hose joint is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a fixed installation structure of a hydraulic hose connector, which has the advantage of preventing the sharp edge of the hydraulic hose connector end from contacting with the surface of the hydraulic hose, thereby preventing the hydraulic hose surface from being damaged and leaking during long-term use, thereby extending the service life of the hydraulic hose. It solves the problem that in the current fixed installation of the hydraulic hose connector, the sharp edge of the connector end is in contact with the hydraulic hose for a long time during long-term use, which easily causes the hydraulic hose surface to be damaged, resulting in rupture and damage to the hydraulic hose, thereby reducing the service life of the hydraulic hose.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a fixed installation structure of a hydraulic hose joint, comprising a joint core rod and a sleeve, the joint core rod being located inside the sleeve, one end of the joint core rod being fixedly connected to an internal flared tube, the end of the internal flared tube being fixedly connected to a connecting nut, one end of the sleeve being fixedly connected to an external flared tube, and the external flared tube being fixedly sleeved on the outer surface of the internal flared tube, an annular groove being provided on the end of the outer surface of the joint core rod facing away from the internal flared tube and an end of the inner wall of the sleeve facing away from the external flared tube, and rubber rings being clamped inside the two annular grooves.

[0006] Preferably, the outer surface of the inner flared tube is provided with an external thread, and the inner wall of the outer flared tube is provided with an internal thread.

[0007] Preferably, the external flared tube and the internal flared tube are fixedly connected via external threads and internal threads.

[0008] Preferably, a hexagonal ring is fixedly sleeved on the outer surface of the external flared tube, and a retaining ring is fixedly sleeved on the side of the outer surface of the internal flared tube close to the connecting nut.

[0009] Preferably, a locking nut is fixedly mounted on the outer surface of the hexagonal ring, a locking screw is movably inserted into the locking nut, a socket is provided on the outer surface of the retaining ring, and the end of the locking screw is located inside the socket.

[0010] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0011] The utility model achieves the effect of preventing the sharp edge of the hydraulic hose joint end from contacting with the surface of the hydraulic hose by arranging a joint core rod, a connecting nut, an inner flared tube, a sleeve, an outer flared tube, an annular clamping groove and a rubber ring, thereby preventing the hydraulic hose surface from being damaged and leaking during long-term use, and extending the service life of the hydraulic hose. The joint core rod is inserted into the interior of the hydraulic hose end, and the hydraulic hose end expands the pipe diameter at the inner flared tube and is sleeved on the inclined surface of the inner flared tube. The sleeve is then sleeved on the outer surface of the hydraulic hose end, and the outer flared tube is fixedly connected to the inner flared tube. The outer flared tube and the inner flared tube clamp the flared part of the hydraulic hose end to complete the installation of the joint, and the rubber ring clamped in the annular clamping groove separates the sharp edges of the joint core rod and the sleeve end from the hydraulic hose to avoid damage to the hydraulic hose surface.

[0012] 2. The utility model achieves the effect of preventing the sleeve from loosening and slipping by providing a locking nut, a necking screw and a socket. Twisting the locking screw so that its end is inserted into the socket can limit the rotation of the external flared tube, thereby preventing the sleeve from loosening and slipping. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the partial three-dimensional structure of the sleeve of the utility model;

[0015] Figure 3 For this utility model Figure 2 Schematic diagram of the enlarged structure of A;

[0016] Figure 4 For this utility model Figure 2 Schematic diagram of the enlarged structure of B;

[0017] Figure 5 This is a schematic diagram of the partial three-dimensional structure of the core rod of the joint of the utility model;

[0018] Figure 6 This is a schematic diagram of the main structure of the utility model.

[0019] Figure markings: 1. Connector core rod; 2. Sleeve; 3. Hexagonal ring; 4. Connecting nut; 5. External flared tube; 6. Internal thread; 7. Rubber ring; 8. Annular groove; 9. Locking screw; 10. Locking nut; 11. Internal flared tube; 12. External thread; 13. Retaining ring; 14. Socket. DETAILED DESCRIPTION

[0020] The technical solution of the present invention is further described below with reference to the accompanying drawings and specific embodiments. Example

[0021] like Figures 1-6 As shown, the utility model proposes a fixed installation structure of a hydraulic hose connector, including a connector core rod 1 and a sleeve 2. The connector core rod 1 is hollow inside and has two ends through. The connector core rod 1 is located inside the sleeve 2. The end of the hydraulic hose is sleeved on the outer surface of the connector core rod 1, and the sleeve 2 is sleeved on the outer surface of the end of the hydraulic hose, so that the connector is installed on the hydraulic hose. One end of the connector core rod 1 is fixedly connected to an internal flared tube 11. The connection between the internal flared tube 11 and the core rod 1 is conical. The end of the internal flared tube 11 is fixedly connected to a connecting nut 4. The connector core rod 1 is fixedly connected to the hydraulic equipment through the connecting nut 4. One end of the sleeve 2 is fixedly connected to the outer The outer flared tube 5 is a conical tube, and the connection between the outer flared tube 5 and the sleeve 2 is conical, and the outer flared tube 5 is fixedly sleeved on the outer surface of the internal flared tube 11, the outer surface of the internal flared tube 11 is provided with an external thread 12, and the inner wall of the external flared tube 5 is provided with an internal thread 6. The external flared tube 5 and the internal flared tube 11 are fixedly connected by the external thread 12 and the internal thread 6. An annular groove 8 is provided on the end of the outer surface of the joint core rod 1 away from the internal flared tube 11 and the end of the inner wall of the sleeve 2 away from the external flared tube 5. The cross-section of the annular groove 8 is "T"-shaped, and the two annular grooves 8 are clamped with rubber rings 7, and the cross-section of the rubber ring 7 is "U"-shaped.

[0022] When the present invention is in use, the joint core rod 1 is inserted into the interior of the end portion of the hydraulic hose, and the diameter of the hydraulic hose end portion is expanded at the internal flared tube 11 and is sleeved on the inclined surface of the internal flared tube 11. The sleeve 2 is then sleeved on the outer surface of the hydraulic hose end portion, and the external flared tube 5 and the internal flared tube 11 are fixedly connected by the internal thread 6 and the external thread 12. The external flared tube 5 and the internal flared tube 11 clamp the flared portion of the hydraulic hose end portion to complete the installation of the joint, and the rubber ring 8 clamped in the annular groove 7 separates the sharp edges of the joint core rod 1 and the sleeve 2 ends from the hydraulic hose to avoid damage to the surface of the hydraulic hose. Example

[0023] like Figure 1 、 Figure 2 、 Figure 4 、 Figure 5 and Figure 6 As shown, the utility model proposes a fixed installation structure of a hydraulic hose connector. Compared with the first embodiment, this embodiment also includes an external flared tube 5 with a hexagonal ring 3 fixedly sleeved on the outer surface, an internal flared tube 11 with a retaining ring 13 fixedly sleeved on the side close to the connecting nut 4, a locking nut 10 fixedly installed on the outer surface of the hexagonal ring 3, a locking screw 9 movably inserted inside the locking nut 10, a socket 14 provided on the outer surface of the retaining ring 13, and the end of the locking screw 9 is located inside the socket 14.

[0024] In this embodiment, by twisting the locking screw 9 so that its distal end is inserted into the insertion hole 14 , the rotation of the external flared tube 5 can be restricted, thereby preventing the sleeve 2 from loosening and slipping.

[0025] The above specific embodiments are only several preferred embodiments of the present invention. Based on the technical solutions of the present invention and the relevant inspirations of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A fixed installation structure for a hydraulic hose connector, comprising a connector core rod (1) and a sleeve (2), characterized in that: The joint core rod (1) is located inside the sleeve (2), one end of the joint core rod (1) is fixedly connected to the internal flared tube (11), the end of the internal flared tube (11) is fixedly connected to the connecting nut (4), one end of the sleeve (2) is fixedly connected to the external flared tube (5), and the external flared tube (5) is fixedly sleeved on the outer surface of the internal flared tube (11), an end of the outer surface of the joint core rod (1) facing away from the internal flared tube (11) and an end of the inner wall of the sleeve (2) facing away from the external flared tube (5) are both provided with an annular groove (8), and a rubber ring (7) is clamped inside the two annular grooves (8).

2. The fixed installation structure of a hydraulic hose connector according to claim 1, characterized in that: The outer surface of the inner flared tube (11) is provided with an external thread (12), and the inner wall of the outer flared tube (5) is provided with an internal thread (6).

3. The fixed installation structure of a hydraulic hose connector according to claim 2, characterized in that: The external flared tube (5) and the internal flared tube (11) are fixedly connected via an external thread (12) and an internal thread (6).

4. The fixed installation structure of a hydraulic hose connector according to claim 1, characterized in that: A hexagonal ring (3) is fixedly sleeved on the outer surface of the external flared tube (5), and a retaining ring (13) is fixedly sleeved on the side of the outer surface of the internal flared tube (11) close to the connecting nut (4).

5. The fixed installation structure of a hydraulic hose connector according to claim 4, characterized in that: A locking nut (10) is fixedly mounted on the outer surface of the hexagonal ring (3), a locking screw (9) is movably inserted into the locking nut (10), and a socket (14) is provided on the outer surface of the retaining ring (13), with the end of the locking screw (9) located inside the socket (14).