Connector structure of metal hose

Abstract

The utility model discloses a joint structure of a metal hose, which belongs to the technical field of metal hoses and comprises a metal hose body, a first inner sleeve, a second inner sleeve, a first outer sleeve and a second outer sleeve. Wherein one end of the first inner sleeve and one end of the second inner sleeve are each provided with a threaded section in threaded connection with the metal hose body, and one end of the first inner sleeve is connected with an annular protrusion; an annular groove matched with the annular protrusion is formed in one end of the second inner sleeve. The first inner sleeve is detachably connected with the second inner sleeve through an elastic buckle mechanism; by means of the design, the metal hose can be rapidly detached, and falling of the metal hose is effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to metal hose technical field especially relates to a joint structure of metal hose. BACKGROUND

[0002] In modern industry, metal hoses are widely used in the delivery of various media due to their excellent flexibility and pressure-bearing capacity. A metal hose is mainly composed of a corrugated tube, a mesh cover, and a joint. The inner tube is a thin-walled stainless steel corrugated tube with a spiral or ring shape. The mesh cover on the outer layer is woven from stainless steel wire or steel belt.

[0003] However, the existing metal hose joint structure has some deficiencies in actual application, such as: the existing metal hose joint is prone to deformation or falling off when subjected to impact or pressure, resulting in unstable connection and affecting the safety and reliability of the entire system.

[0004] In view of the deficiencies of the prior art, the utility model provides a joint structure of metal hose, aiming at solving the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at overcoming the deficiencies in the prior art and providing a joint structure of metal hose that can realize quick disassembly of the metal hose and effectively prevent it from falling off.

[0006] To achieve the above-mentioned purpose, the utility model is implemented by the following technical scheme:

[0007] A joint structure of metal hose, comprising a metal hose body, the metal hose body is provided with internal threads at both ends, further comprising:

[0008] a first inner sleeve and a second inner sleeve, wherein one end of each of the first inner sleeve and the second inner sleeve is provided with a threaded segment for threaded connection with the metal hose body,

[0009] one end of the first inner sleeve is connected with an annular protrusion, and one end of the second inner sleeve is provided with an annular groove matched with the annular protrusion;

[0010] the first inner sleeve is detachably connected with the first inner sleeve through a snap buckle mechanism.

[0011] Preferably, the snap buckle mechanism comprises a first outer sleeve and a second outer sleeve, wherein,

[0012] the connecting end of the first outer sleeve is connected with the outer side of the first inner sleeve, a pair of mounting grooves are formed on the outer side of the first outer sleeve, springs are connected to the groove walls of the mounting grooves, and the other ends of the springs are connected with limiting beads;

[0013] The connecting end of the second outer sleeve is connected with the outer side of the second inner sleeve, and a pair of limiting holes are formed in the second outer sleeve and correspond to the positions of the limiting beads.

[0014] Preferably, the diameter of the limiting bead is less than or equal to the height of the limiting hole and less than the height of the mounting groove.

[0015] Preferably, the free end of the first outer sleeve is flush with the outer side of the annular protrusion.

[0016] Preferably, the distance between the inner side of the second outer sleeve and the outer side of the second inner sleeve is equal to the thickness of the pipe wall of the first outer sleeve.

[0017] Preferably, a sealing ring is further connected to the free end of the annular protrusion and the groove wall of the annular groove.

[0018] Preferably, a pair of mounting grooves are symmetrically arranged on the outer periphery of the first outer sleeve.

[0019] Compared with the prior art, the utility model has the beneficial effects that:

[0020] 1. The utility model firstly provides a close cooperation mode through the mutual sleeving of the annular protrusion of the first inner sleeve and the annular groove of the second inner sleeve; secondly, the first inner sleeve and the second inner sleeve can be quickly and conveniently connected and disconnected through the elastic buckle mechanism, and the mounting groove on the outer side of the first outer sleeve, the spring limiting bead and the limiting hole on the second outer sleeve jointly act on the elastic buckle mechanism, thereby ensuring the stability and reliability of the joint.

[0021] 2. The diameter of the limiting bead is less than or equal to the height of the limiting hole, which can effectively prevent the limiting bead from moving inward when impacted by external objects, thereby avoiding the joint from falling off and enhancing the stability of the joint structure. DRAWINGS

[0022] Figure 1 is a structural schematic view of the utility model.

[0023] Figure 2 is a structural schematic view of the first / second inner sleeve of the utility model.

[0024] Figure 3 is a disconnected view of the utility model.

[0025] Figure 4 is a local enlarged view A of the utility model.

[0026] Figure 5 is a local enlarged view B of the utility model.

[0027] Among them:

[0028] 1, metal hose body; 2, first inner sleeve; 21, threaded segment; 22, annular protrusion; 3, second inner sleeve; 32, annular groove; 4, elastic buckle mechanism; 41, first outer sleeve; 411, mounting groove; 412, spring; 413, limiting bead; 42, second outer sleeve; 421, limiting hole. DETAILED DESCRIPTION

[0029] The utility model will be described further below with reference to the drawings. The following examples are only used to make the technical scheme of the utility model more clear, and cannot be used to limit the protection scope of the utility model.

[0030] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "middle", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. The device or element indicated must have a specific orientation, a specific orientation and operation, and therefore cannot be understood as limiting the utility model. In addition, in the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0031] In the description of the utility model, it is understood that, unless otherwise specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0032] Example one

[0033] Reference Figures 1-5 The embodiment provides a kind of joint structure of metal hose, including metal hose body 1, the both ends of the metal hose body 1 are equipped with internal thread, further comprising:

[0034] First inner sleeve 2 and second inner sleeve 3;Wherein, the one end of the first inner sleeve 2 and second inner sleeve 3 is equipped with threaded segment 21 for threaded connection with the metal hose body 1,

[0035] The one end of the first inner sleeve 2 is connected with annular protrusion 22;The one end of the second inner sleeve 3 is equipped with annular groove 32 matched with annular protrusion 22;

[0036] The first inner sleeve 2 is detachably connected with the first inner sleeve 2 through the elastic buckle mechanism 4.

[0037] Specifically, the elastic buckle mechanism 4 comprises a first outer sleeve 41 and a second outer sleeve 42; wherein,

[0038] The connecting end of the first outer sleeve 41 is connected with the outside of the first inner sleeve 2, and a pair of installation grooves 411 are formed on the outside of the first outer sleeve 41, a spring 412 is connected on the groove wall of the installation groove 411, and the other end of the spring 412 is connected with a limiting bead 413.

[0039] The connecting end of the second outer sleeve 42 is connected with the outside of the second inner sleeve 3, and a pair of limiting holes 421 are further formed on the second outer sleeve 42, and the limiting holes 421 correspond to the positions of the limiting beads 413.

[0040] In order to prevent the limiting beads 413 from moving inward when being impacted by external objects, thereby avoiding the joint from falling off, in the embodiment, the diameter of the limiting beads 413 is less than or equal to the height of the limiting holes 421.

[0041] In order to facilitate the disassembly of the joint mechanism, in the embodiment, the diameter of the limiting beads 413 is less than the height of the installation grooves 411, and the diameter of the limiting beads 413 is less than the distance between the inside of the second outer sleeve 42 and the outside of the second inner sleeve 3, because the spring 412 also has a certain height after being compressed.

[0042] Further, the free end of the first outer sleeve 41 is flush with the outside of the annular protrusion 22.

[0043] In order to ensure the tightness of the joint and uniform stress, in the embodiment, the distance between the inside of the second outer sleeve 42 and the outside of the second inner sleeve 3 is equal to the thickness of the pipe wall of the first outer sleeve 41.

[0044] In order to provide additional sealing performance, prevent medium leakage, and ensure the safety and reliability of the system, in the embodiment, the free end of the annular protrusion 22 and the groove wall of the annular groove 32 are further connected with sealing rings.

[0045] In order to help maintain the balance of the joint and reduce deformation or damage caused by asymmetric stress, in the embodiment, a pair of installation grooves 411 are symmetrically arranged on the outer periphery of the first outer sleeve 41.

[0046] Working principle: when installing, first thread the one end of the two metal hose bodies 1 to be connected with the threaded section 21 of the first inner sleeve 2, then apply force to the first outer sleeve 41 into the second outer sleeve 42, the limiting bead 413 is affected by the side wall of the second outer sleeve 42 and moves inward until the limiting bead 413 moves into the limiting groove, the limiting bead 413 moves outward due to the counterforce of the spring 412, and the limiting groove is clamped, and the top of the limiting bead 413 does not exceed the outside of the second outer sleeve 42, avoiding being bounced back in the opposite direction due to impact and falling off; when disassembling, press the limiting bead 413 inward until the limiting bead 413 and the limiting groove are separated.

[0047] In summary, these structural designs work together to improve the stability, reliability and convenience of maintenance of the metal hose joint, and also enhance the anti-deformation ability when impacted or under pressure, thereby improving the safety and reliability of the entire system, and by increasing the sealing ring, the sealing performance of the joint is also improved, further ensuring the safe transportation of the medium.

[0048] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled persons in the technical field, without departing from the technical principles of the present application, a number of improvements and deformations can be made, and these improvements and deformations should also be considered as the protection range of the present application.

Claims

1. A joint structure of a metal hose comprising a metal hose body (1) provided with an internal thread at both ends thereof, characterized in that, Also include: A first inner sleeve (2) and a second inner sleeve (3); wherein one end of the first inner sleeve (2) and the second inner sleeve (3) is provided with a threaded segment (21) threaded with the metal hose body (1); One end of the first inner sleeve (2) is connected with an annular protrusion (22); one end of the second inner sleeve (3) is provided with an annular groove (32) matched with the annular protrusion (22); The first inner sleeve (2) is detachably connected with the first inner sleeve (2) through the elastic buckle mechanism (4).

2. The metal hose joint structure according to claim 1, characterized by The elastic buckle mechanism (4) includes a first outer sleeve (41) and a second outer sleeve (42); wherein, The connecting end of the first outer sleeve (41) is connected with the outer side of the first inner sleeve (2), and a pair of installation grooves (411) are formed on the outer side of the first outer sleeve (41), a spring (412) is connected on the groove wall of the installation groove (411), and the other end of the spring (412) is connected with a limiting bead (413); The connecting end of the second outer sleeve (42) is connected with the outer side of the second inner sleeve (3), and a pair of limiting holes (421) are further formed on the second outer sleeve (42), and the limiting holes (421) correspond to the positions of the limiting beads (413).

3. The metal hose joint structure according to claim 2, characterized by The diameter of the limiting bead (413) is less than or equal to the height of the limiting hole (421), and is less than the height of the installation groove (411).

4. The metal hose joint structure according to claim 2, characterized by The free end of the first outer sleeve (41) is flush with the outer side of the annular protrusion (22).

5. The metal hose joint structure according to claim 2, characterized by The inner side of the second outer sleeve (42) and the outer side of the second inner sleeve (3) have a spacing equal to the thickness of the pipe wall of the first outer sleeve (41).

6. The metal hose joint structure according to claim 2, characterized by The free end of the annular protrusion (22) and the groove wall of the annular groove (32) are further connected with a sealing ring.

7. The metal hose joint structure according to claim 2, characterized by A pair of installation grooves (411) are symmetrically arranged on the outer periphery of the first outer sleeve (41).

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