Connecting structure of anti-falling hose connector and protective layer

By adopting a protective layer connection structure and rubber pad design on the metal hose joint, the problem of inconvenient disassembly of the outer sheath of the existing joint is solved, and the joints are easily maintained and efficiently sealed, improving practicality.

CN222950621UActive Publication Date: 2025-06-06NINGBO HENGTONG FLUID POWER TECH CO LTD
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Patent Information

Application Number
CN202422134080.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-02
Publication Date
2025-06-06
Estimated Expiration
2034-09-02

AI Technical Summary

Technical Problem

The outer sheath of the existing metal hose joint is directly placed on the outside of the joint, which leads to inconvenient disassembly and installation and is less practical.

Method used

The protective layer connection structure is adopted, and through the cooperation of threaded rods, fixing blocks, connecting blocks, nuts, rotating blocks, rotating rods, installation grooves and limit blocks, the lower sheath and upper sheath are easily disassembled and installed, and vibration and frictional damage are reduced through rubber pads.

Benefits of technology

It realizes convenient maintenance and sealing of the joint body, reduces vibration and friction damage, and improves practicality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a connecting structure of an anti-falling hose coupler and a protective layer, which relates to the technical field of hose couplers and comprises an upper sheath, a coupler body is arranged on the inner surface of the upper sheath, a lower sheath is hinged to the position, close to the rear side, of the outer surface of the upper sheath, and a connecting block is fixedly connected to the position, close to the front side, of the outer surface of the upper sheath. Limiting grooves are symmetrically formed in the outer surface of the connecting block, a fixing block is fixedly connected to the position, close to the front side, of the outer surface of the lower sheath, and mounting grooves are symmetrically formed in the outer surface of the fixing block. According to the utility model, the threaded rod, the fixed block, the connecting block, the nut, the rotating block, the rotating rod, the mounting groove and the limiting block are matched for use, when the lower sheath and the upper sheath are disassembled and assembled, only the nut needs to be loosened or tightened, the maintenance of the internal joint body is facilitated, and under the matching of the placing groove and the sealing strip, the sealing performance after installation is ensured.
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Description

Technical Field

[0001] The utility model relates to the technical field of hose joints, in particular to a connection structure of an anti-drop hose joint and a protective layer. Background Art

[0002] Metal hoses are important components in the connection pipelines of modern industrial equipment. Metal hoses are widely used as wire and cable protection tubes for wires, cables, and automation instrument signals, as well as civilian shower hoses. However, for ease of carrying, the length of metal hoses is limited, so connectors are needed to extend them. During use, protective covers are usually required to ensure the stability of the connectors.

[0003] In the prior art, for example, Chinese patent publication number CN219367084U discloses a metal hose connector that is good at resisting impact, including an explosion-proof connector, the tail end of which is plugged with a polytetrafluoroethylene tooth ring, a polytetrafluoroethylene mouth guard is arranged inside the explosion-proof connector, and one end of the polytetrafluoroethylene mouth guard extends to the polytetrafluoroethylene tooth ring, a sealing ring is arranged between the polytetrafluoroethylene mouth guard and the polytetrafluoroethylene tooth ring, and a rubber gasket is installed inside the polytetrafluoroethylene tooth ring. The metal hose connector that is good at resisting impact, the inner lining polytetrafluoroethylene tooth ring and the polytetrafluoroethylene mouth guard are resistant to high temperature and corrosion, and have excellent electrical insulation and aging resistance, etc., which can prevent the medium in the connector from corroding the inner wall of the connector during circulation, so that the mechanical properties of the connector are greatly improved, and the PUR outer sheath provided at the same time can buffer and weaken the impact force on the connector, increase the anti-impact function of the connector, and make it not easy to be bumped and damaged.

[0004] In the above patent, the impact force received by the joint can be buffered and weakened by installing an outer sheath, thereby increasing the anti-impact function of the joint and making it less likely to be damaged by bumps. However, the outer sheath is directly sleeved on the outside of the joint, which makes it inconvenient to disassemble and install the outer sheath and has low practicality. Utility Model Content

[0005] The purpose of the utility model is to solve the problem in the above-mentioned patent that the impact force on the joint can be buffered and weakened by installing an outer sheath, the impact resistance of the joint is increased, and it is not easy to be damaged by bumps, but the outer sheath is directly sleeved on the outside of the joint, which makes it inconvenient to disassemble and install the outer sheath and has low practicality. The proposed anti-detachment hose joint and protective layer connection structure is provided.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a protective layer connection structure, comprising: an upper sleeve, the inner surface of the upper sleeve is provided with a joint body, the outer surface of the upper sleeve is hingedly connected to the lower sleeve near the rear side, the outer surface of the upper sleeve is fixedly connected to a connecting block near the front side, the outer surface of the connecting block is symmetrically provided with limiting grooves, the outer surface of the lower sleeve is fixedly connected to a fixing block near the front side, the outer surface of the fixing block is symmetrically provided with mounting grooves, the inner surfaces of the two mounting grooves are fixedly connected with rotating rods, the outer surfaces of the two rotating rods are rotatably connected with rotating blocks, the tops of the two rotating blocks are fixedly connected with threaded rods, and the outer surfaces of the two threaded rods are threadedly connected with nuts.

[0007] Preferably, the tops of the two threaded rods are fixedly connected to limiting blocks, and the positions of the two threaded rods match the positions of the two limiting grooves respectively.

[0008] Preferably, the diameters of the two nuts are respectively larger than the diameters of the two limiting grooves, and the diameters of the two threaded rods are both smaller than the diameters of the two limiting grooves.

[0009] Preferably, a first rubber pad is fixedly connected to the inner surface of the lower sleeve, and a second rubber pad is fixedly connected to the inner surface of the upper sleeve.

[0010] Preferably, a placement groove is provided at the bottom of the upper sleeve, and a sealing strip is provided on the inner surface of the placement groove.

[0011] Preferably, the outer surface of the sealing strip is arranged to fit the inner surface of the placement groove.

[0012] Preferably, the upper sleeve is matched with the lower sleeve, and the inner surface of the lower sleeve is matched with the joint body.

[0013] The second aspect of the present invention provides an anti-drop hose connector, comprising the protective layer connection structure provided by any of the above solutions.

[0014] Compared with the prior art, the advantages and positive effects of the utility model are:

[0015] 1. In the utility model, by using the threaded rod, the fixed block, the connecting block, the nut, the rotating block, the rotating rod, the installation groove and the limit block in combination, when disassembling and assembling the lower sleeve and the upper sleeve, it is only necessary to loosen or tighten the nut, which is convenient for the maintenance of the internal joint body, and with the cooperation of the placement groove and the sealing strip, the sealing after installation is guaranteed.

[0016] 2. In the utility model, the vibration and friction damage of the joint body are reduced by the first rubber pad and the second rubber pad inside the lower sheath and the upper sheath, and the utility model is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of the connection structure between the anti-drop hose connector and the protective layer proposed by the utility model;

[0018] Figure 2 The utility model provides an expanded view of the connection structure between the anti-drop hose connector and the protective layer;

[0019] Figure 3 This is an expanded view of the upper sheath of the connection structure between the anti-drop hose connector and the protective layer proposed by the utility model;

[0020] Figure 4 The utility model provides an expanded view of the lower sheath of the anti-drop hose connector and the protective layer connection structure.

[0021] Legend: 1. Upper sleeve; 2. Lower sleeve; 3. Connector body; 4. Connecting block; 5. Fixing block; 6. Nut; 7. Limiting groove; 8. Sealing strip; 9. First rubber pad; 10. Second rubber pad; 11. Rotating block; 12. Threaded rod; 13. Limiting block; 14. Mounting groove; 15. Rotating rod; 16. Placement groove. DETAILED DESCRIPTION

[0022] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0024] Embodiment 1, as Figure 1-Figure 4As shown, the utility model provides a protective layer connection structure, including: an upper sheath 1, an inner surface of the upper sheath 1 is provided with a joint body 3, an outer surface of the upper sheath 1 is hingedly connected to a lower sheath 2 near the rear side, an outer surface of the upper sheath 1 is fixedly connected to a connection block 4 near the front side, and a limiting groove 7 is symmetrically provided on the outer surface of the connection block 4, and a fixing block 5 is fixedly connected to the outer surface of the lower sheath 2 near the front side, and an outer surface of the fixing block 5 is symmetrically provided with mounting grooves 14, and the inner surfaces of the two mounting grooves 14 are fixedly connected to rotating rods 15, and the outer surfaces of the two rotating rods 15 are rotatably connected to rotating blocks 11, and the tops of the two rotating blocks 11 are fixedly connected to threaded rods 12, and the two The outer surfaces of the threaded rods 12 are threadedly connected with nuts 6, and the tops of the two threaded rods 12 are fixedly connected with limiting blocks 13. The positions of the two threaded rods 12 are respectively matched with the positions of the two limiting grooves 7. The diameters of the two nuts 6 are respectively larger than the diameters of the two limiting grooves 7, and the diameters of the two threaded rods 12 are smaller than the diameters of the two limiting grooves 7. A placement groove 16 is provided at the bottom of the upper sleeve 1, and a sealing strip 8 is provided on the inner surface of the placement groove 16. The outer surface of the sealing strip 8 is fitted with the inner surface of the placement groove 16. The upper sleeve 1 is matched with the lower sleeve 2, and the inner surface of the lower sleeve 2 is matched with the joint body 3. The anti-detachment hose joint includes the above-mentioned protective layer connection structure.

[0025] The effect achieved by the entire embodiment 1 is that when the protective cover is installed on the outer side of the joint body 3, the lower cover 2 is placed along the inside of the joint body 3, and then the upper cover 1 is rotated to rotate along the hinge to merge the lower cover 2 and the upper cover 1, and then the threaded rod 12 is rotated to drive the rotating block 11 to rotate along the rotating rod 15, and the threaded rod 12 is rotated along the axis of the rotating rod 15 to move the threaded rod 12 to the limiting groove 7, and then the nut 6 is tightened, so that the lower cover 2 and the upper cover 1 are tightened with the cooperation of the connecting block 4 and the fixing block 5. Tight connection, at the same time, after the installation is completed, with the cooperation of the sealing strip 8 in the placement groove 16, the sealing strip 8 will be squeezed and deformed to fill the sealing between the lower sleeve 2 and the upper sleeve 1 and the joint body 3. When the protective sleeve is disassembled, the nut 6 is loosened and the threaded rod 12 is turned out from the limiting groove 7, and the lower sleeve 2 and the upper sleeve 1 can be separated. At the same time, under the action of the limiting block 13, the nut 6 is prevented from being lost. Therefore, when the lower sleeve 2 and the upper sleeve 1 are disassembled and assembled, it is only necessary to loosen or tighten the nut 6, which is convenient for the maintenance of the internal joint body 3.

[0026] Embodiment 2, as Figure 1-Figure 4 As shown, a first rubber pad 9 is fixedly connected to the inner surface of the lower jacket 2 , and a second rubber pad 10 is fixedly connected to the inner surface of the upper jacket 1 .

[0027] The effect achieved by the entire embodiment 2 is that the vibration and friction damage of the joint body 3 are reduced by the first rubber pad 9 and the second rubber pad 10 inside the lower sheath 2 and the upper sheath 1, and the practicality is high.

[0028] Working principle: when installing the protective cover on the outside of the joint body 3, the lower cover 2 is placed along the inside of the joint body 3, and then the upper cover 1 is rotated to rotate along the hinge to merge the lower cover 2 and the upper cover 1, and then the threaded rod 12 is rotated to drive the rotating block 11 to rotate along the rotating rod 15, and the threaded rod 12 is rotated along the axis of the rotating rod 15 to move the threaded rod 12 to the limiting groove 7, and then the nut 6 is tightened, so that the lower cover 2 and the upper cover 1 are tightly connected with the cooperation of the connecting block 4 and the fixing block 5. At the same time, after the installation is completed, the lower cover 2 and the upper cover 1 are placed in the groove 16. With the cooperation of the sealing strip 8, the sealing strip 8 will be squeezed and deformed to fill the sealing between the lower sleeve 2 and the upper sleeve 1 and the joint body 3, and the vibration and friction damage of the joint body 3 are reduced by the first rubber pad 9 and the second rubber pad 10. When disassembling the protective sleeve, loosen the nut 6 and turn the threaded rod 12 out of the limiting groove 7 to separate the lower sleeve 2 and the upper sleeve 1. At the same time, under the action of the limiting block 13, the nut 6 is prevented from being lost. Therefore, when disassembling and assembling the lower sleeve 2 and the upper sleeve 1, you only need to loosen or tighten the nut 6, which is convenient for the maintenance of the internal joint body 3.

[0029] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A protective layer connection structure, characterized in that: include: An upper sleeve (1), wherein a joint body (3) is arranged on the inner surface of the upper sleeve (1), a lower sleeve (2) is hingedly connected to the outer surface of the upper sleeve (1) near the rear side, a connecting block (4) is fixedly connected to the outer surface of the upper sleeve (1) near the front side, and a limiting groove (7) is symmetrically provided on the outer surface of the connecting block (4), a fixing block (5) is fixedly connected to the outer surface of the lower sleeve (2) near the front side, and a mounting groove (14) is symmetrically provided on the outer surface of the fixing block (5), the inner surfaces of the two mounting grooves (14) are fixedly connected to rotating rods (15), the outer surfaces of the two rotating rods (15) are rotatably connected to rotating blocks (11), the tops of the two rotating blocks (11) are fixedly connected to threaded rods (12), and the outer surfaces of the two threaded rods (12) are threadedly connected to nuts (6).

2. The protective layer connection structure according to claim 1, characterized in that: The tops of the two threaded rods (12) are fixedly connected to the limiting blocks (13), and the positions of the two threaded rods (12) respectively match the positions of the two limiting grooves (7).

3. The protective layer connection structure according to claim 2, characterized in that: The diameters of the two nuts (6) are respectively larger than the diameters of the two limiting grooves (7), and the diameters of the two threaded rods (12) are both smaller than the diameters of the two limiting grooves (7).

4. The protective layer connection structure according to claim 3, characterized in that: A first rubber pad (9) is fixedly connected to the inner surface of the lower protective sleeve (2), and a second rubber pad (10) is fixedly connected to the inner surface of the upper protective sleeve (1).

5. The protective layer connection structure according to claim 4, characterized in that: A placement groove (16) is provided at the bottom of the upper protective sleeve (1), and a sealing strip (8) is provided on the inner surface of the placement groove (16).

6. The protective layer connection structure according to claim 5, characterized in that: The outer surface of the sealing strip (8) is arranged to fit the inner surface of the placement groove (16).

7. The protective layer connection structure according to claim 6, characterized in that: The upper sleeve (1) and the lower sleeve (2) are matched to each other, and the inner surface of the lower sleeve (2) and the joint body (3) are matched to each other.

8. An anti-drop hose connector, characterized in that: The protective layer connection structure comprises the protective layer connection structure according to any one of claims 1 to 7.

Citation Information

Patent Citations

  • Metal hose connector beneficial to impact resistance

    CN219367084U