A kind of pull-out resistant buckle joint

Abstract

The utility model discloses an anti-pullout buckle joint, which relates to the technical field of hydraulic systems, including a rubber hose, wherein the front end of the rubber hose is fixedly connected with a rubber connection layer; the front end of the rubber hose is rotatably connected with a steering ball tube; the inner side of the steering ball tube is fixedly connected with an inner guide plate, and a guide connection groove is provided on the inner side of the inner guide plate; the front end of the steering ball tube is rotatably connected with a jacket, and a core is fixedly installed at the front end of the jacket; when the utility model is in use, the core is clamped at the first protrusion of the jacket as a fixing point of the jacket to prevent the jacket and the core from falling off, the first concave part and the second protrusion part of the jacket are steel wires for fixing the rubber hose, and the rear serrations are rubber parts for fixing the rubber hose to prevent the rubber hose from falling off, the serrations of the jacket are rectangular serrations, which can effectively prevent the rubber hose from slipping out, and the core is wavy serrations, which can effectively play a sealing role while preventing slipping. The serration protrusions of the jacket are directly opposite to the wavy serration concave parts of the core, so that the design can prevent slipping to the maximum extent.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic systems, in particular to an anti-pullout buckle-and-press joint. Background Art

[0002] At present, in the fields of petroleum, chemical industry, hydraulic machinery, shipbuilding and other industries, a large number of pipeline systems with oil, water and other working media are used. Under the influence of factors such as equipment operation, thermal expansion and contraction, vibration and impact, the pipeline will generate corresponding forces, vibrations, noise and displacement. Therefore, rubber hoses are widely used in pipeline systems to reduce vibration and noise, resist fatigue and impact, compensate for displacement and transfer media. When the pipeline diameter is larger than DN40, flange joints are generally used to connect metal pipelines and rubber flexible pipes. In order to ensure the safety and reliability of the pipeline system, the flange joint structure and assembly form of the rubber flexible pipe play an important role.

[0003] The prior art discloses an integrated crimping connector for a cotton thread tube with application number CN201820534078.5, which is assembled by assembling a hose connector body, a plastic retaining ring, and a crimping sleeve, and crimping the pre-clipped section of the crimping sleeve. Afterwards, the above components are assembled with the cotton thread tube as a whole, and the assembly is simple, convenient, and accurate.

[0004] However, the prior art still has certain defects. For example, in the technical solution provided by the above-mentioned patent, the use of cotton thread tubes has certain restrictions on the use environment during use, and higher requirements are placed on the crimping joints for high-pressure and large-flow systems. The possible detachment of joints and hoses will not only make the hydraulic system unable to operate normally, but also threaten the safety of operators. Therefore, a safe and reliable crimping joint suitable for high pressure is very important. At the same time, the solutions in the prior art lack a convenient adjustment method and are more troublesome to use. Utility Model Content

[0005] In order to solve the deficiencies mentioned in the above background technology, the purpose of the present invention is to provide a pull-out resistant crimping joint, and the present invention aims to prevent the crimping joint from loosening during use through structural design.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] An anti-pullout crimping joint comprises a rubber hose, wherein a rubber connection layer is fixedly connected to the front end of the rubber hose;

[0008] The front end of the rubber hose is rotatably connected to a steering ball tube;

[0009] An inner guide plate is fixedly connected to the inner side of the steering ball tube, and a guide connection groove is provided on the inner side of the inner guide plate;

[0010] The front end of the steering ball tube is rotatably connected with a jacket, and the front end of the jacket is fixedly installed with a core.

[0011] Furthermore, the rubber hose is fixedly installed on the rear end of the steering ball tube through a rubber connection layer.

[0012] Furthermore, a fixing groove is fixedly installed on the outer side of the core, a fixing buckle is fixedly connected to the outer side of the front end of the core, and an external connection hook is fixedly connected to the front end of the core.

[0013] Furthermore, the front end of the jacket is fixedly connected with an external connection buckle, and the outer side of the jacket is fixedly connected with a front convex groove.

[0014] Furthermore, a connecting rubber layer is fixedly installed at the front end of the steering ball tube.

[0015] Furthermore, an auxiliary installation groove is provided on the outer side of the connecting rubber layer.

[0016] Beneficial effects of the utility model:

[0017] 1. The utility model clamps the core at the first protrusion of the outer jacket as the fixing point of the outer jacket to prevent the outer jacket and the core from falling off. The first concave part and the second protrusion of the outer jacket are used to fix the hose steel wire, and the rear serrations are used to fix the rubber of the hose to prevent the hose from falling off. At the same time, the steering ball tube can be used to connect the hose and the core at the front and rear ends to achieve free steering, which is more convenient to use.

[0018] 2. When the utility model is in use, the outer sleeve has rectangular saw teeth, which can effectively prevent the hose from slipping out, and the core has wavy saw teeth, which can effectively seal while preventing slipping. The raised saw teeth of the outer sleeve face the wavy saw teeth of the core, so this design can prevent slipping to the maximum extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the rubber hose of the utility model;

[0022] Figure 3 It is a schematic diagram of the core of the utility model;

[0023] Figure 4 It is a schematic diagram of a coat of the utility model.

[0024] In the figure: 1. rubber hose; 11. rubber connecting layer; 2. core; 21. fixing groove; 22. fixing buckle; 23. external connecting hook; 3. outer sleeve; 31. external connecting buckle; 32. front convex groove; 4. steering ball tube; 41. inner guide plate; 42. guide connecting groove; 43. connecting rubber layer; 44. auxiliary installation groove. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the description of the present invention, it should be understood that terms such as "opening", "upper", "lower", "thickness", "top", "middle", "length", "inside", "all around" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0027] A pull-out resistant buckle joint, such as Figure 1 As shown, it comprises a hose 1, the front end of which is rotatably connected to a steering ball tube 4, the front end of which is rotatably connected to a core 2, and the front end of the core 2 is fixedly mounted with a jacket 3.

[0028] like Figure 2 As shown, the front end of the rubber hose 1 is fixedly connected with a rubber connection layer 11 , and the rubber hose 1 is fixedly installed on the rear end of the steering ball tube 4 through the rubber connection layer 11 .

[0029] like Figure 4 As shown, a fixing groove 21 is fixedly installed on the outer side of the core 2, a fixing buckle 22 is fixedly connected to the outer side of the front end of the core 2, and an external connection hook 23 is fixedly connected to the front end of the core 2.

[0030] like Figure 3 As shown, an outer connecting buckle 31 is fixedly connected to the rear end of the outer side of the outer jacket 3 , and a front convex groove 32 is fixedly connected to the outer side of the outer jacket 3 .

[0031] like Figure 2 As shown, an inner guide plate 41 is fixedly connected to the inner side of the steering ball tube 4, a guide connection groove 42 is opened on the inner side of the inner guide plate 41, a connecting rubber layer 43 is fixedly installed on the front end of the steering ball tube 4, and an auxiliary installation groove 44 is opened on the outer side of the connecting rubber layer 43.

[0032] When in use, the core 2 is clamped by the first protrusion of the outer sleeve 3, which serves as a fixing point for the outer sleeve 3 to prevent the outer sleeve 3 and the core 2 from falling off. The first concave part and the second convex part of the outer sleeve 3 are steel wires for fixing the hose, and the serrations at the back are the rubber parts for fixing the hose to prevent the hose from falling off.

[0033] The rear end of the steering tube 4 is connected with the rubber connection layer 11, and the front end of the steering tube 4 is connected with the rubber layer 43, the outer auxiliary installation groove 44 and the inner fixing groove 21 for installation, so that the fixing groove 21 can maintain stability.

[0034] The auxiliary installation groove 44 and the outer sleeve 3 are installed by the groove on the outer side of the auxiliary installation groove 44 and the protrusion on the inner side of the outer sleeve 3 being interlocked with each other, and the steering ball tube 4 can also be installed and fixed to the core 2 by the groove on the inner side of the connecting rubber layer 43 and the fixing groove 21 being interlocked with each other.

[0035] The serrations of the outer cover 3 are rectangular serrations, and the core 2 is wavy serrations, which can effectively seal while preventing slipping. The serration protrusions of the outer cover 3 are directly opposite to the wavy serration concave parts of the core 2, so that the design can prevent slipping to the maximum extent.

[0036] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0037] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A pull-out resistant crimping joint, comprising a hose (1), characterized in that: The front end of the rubber hose (1) is fixedly connected with a rubber connection layer (11); The front end of the rubber hose (1) is rotatably connected to a steering ball tube (4); An inner guide plate (41) is fixedly connected to the inner side of the steering ball tube (4), and a guide connection groove (42) is provided on the inner side of the inner guide plate (41); The front end of the steering ball tube (4) is rotatably connected to a jacket (3), and the front end of the jacket (3) is fixedly mounted with a core (2).

2. The pull-out resistant crimping joint according to claim 1, characterized in that: The rubber hose (1) is fixedly mounted on the rear end of the steering ball tube (4) via a rubber connection layer (11).

3. The pull-out resistant crimping joint according to claim 1, characterized in that: The outer side of the core (2) is fixedly mounted with a fixing groove (21), the outer side of the front end of the core (2) is fixedly connected with a fixing buckle (22), and the front end of the core (2) is fixedly connected with an external connection hook (23).

4. The pull-out resistant crimping joint according to claim 1, characterized in that: The front end of the outer jacket (3) is fixedly connected to an external connection buckle (31), and the outer side of the outer jacket (3) is fixedly connected to a front convex groove (32).

5. The pull-out resistant crimping joint according to claim 1, characterized in that: A connecting rubber layer (43) is fixedly mounted on the front end of the steering ball tube (4).

6. The pull-out resistant crimping joint according to claim 5, characterized in that: An auxiliary installation groove (44) is provided on the outer side of the connecting rubber layer (43).

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