Resin rubber pipe expansion core connecting assembly

Abstract

The utility model discloses a resin rubber tube expansion core connecting assembly which comprises a connecting mother part, a connecting son part and an anti-turning assembly, and aims to solve the problem that in the prior art, when a common resin rubber tube connecting assembly is used for connecting a rubber tube, the rubber tube is prone to loosening due to expansion and contraction deformation of the rubber tube. The resin rubber pipe is connected through cooperation of the connecting mother part and the connecting son part, the resin rubber pipe can be automatically expanded and fixed during connection through the arrangement of the expansion core, and therefore the resin rubber pipe is fully fixed, and further, the connection efficiency is improved. In order to avoid the problem of skin damage caused by long-time excessive bending at the connecting position of the resin hose during use, the anti-over-bending assembly is arranged, the protection effect can be achieved through the anti-over-bending assembly, automatic returning is conducted after bending, long-time excessive bending is avoided, and the service life of the rubber hose is prolonged. The connecting device is particularly suitable for connecting resin rubber pipes.

Description

Technical Field

[0001] The present application relates to the technical field of resin hose connection, in particular to a resin hose expansion core connection assembly. Background Art

[0002] Resin hose is a hose that is extruded from plastic material and may be braided or wound with high-strength industrial fibers or steel wires for reinforcement. Resin hose is generally divided into three layers: inner hose layer, skeleton reinforcement layer and outer rubber layer; the inner hose layer is extruded from plastic material, the skeleton reinforcement layer is braided or wound with high-strength industrial fibers or steel wires to enhance its pressure-bearing capacity, and the outer rubber layer plays a protective and wear-resistant role. When connecting resin hoses, corresponding connection components are usually required.

[0003] The existing patent document "CN207246622U A hose connector" discloses a connector; although the connector in the above technical solution can connect the resin hose, the resin hose has a certain expansion and contraction deformation ability during the connection and use, and the connection is prone to insufficient sealing due to expansion and contraction. At the same time, after the connection part is bent due to external force, the skin is prone to cracking after long-term bending;

[0004] That is, the prior art has the following technical problems: after the ordinary connector is connected to the resin hose, it is easy to expand and shrink, resulting in insufficient connection sealing, and the surface is easy to crack after long-term bending. Therefore, a resin hose expansion core connection assembly is proposed to address the above problems. Summary of the invention

[0005] In this embodiment, a resin hose expansion core connection assembly is provided to solve the problem that ordinary connectors in the prior art are prone to expansion and contraction after connecting the resin hose, resulting in insufficient connection sealing and cracking of the bending surface.

[0006] According to one aspect of the present application, a resin hose core expansion connection assembly is provided, the resin hose core expansion connection assembly comprising:

[0007] A connecting mother component and a connecting child component, wherein the connecting mother component and the connecting child component can be plug-connected;

[0008] An anti-bending component is fixedly arranged at one end of the connecting mother component, the anti-bending component can be wrapped and arranged at the connection of the resin hose, and the anti-bending component can be elastically bent.

[0009] Furthermore, the connecting female part comprises a connecting cylinder, a limiting nut and an internal thread groove, and an internal thread groove is arranged at one side of the inner cavity of the connecting cylinder.

[0010] Furthermore, a limit nut is fixedly provided on the arc-shaped outer wall of the connecting cylinder.

[0011] Furthermore, the connecting sub-component comprises a connecting tube body, an expansion core, a fixing nut and an external thread groove, and the expansion core is fixedly arranged at the front end of the connecting tube body.

[0012] Furthermore, an inner cavity is provided inside the expansion core, and the expansion core and the connecting tube body are communicated with each other.

[0013] Furthermore, an external thread groove is provided on the arc-shaped outer wall of the expansion core.

[0014] Furthermore, a fixing nut is fixedly connected to the arc-shaped wall of the connecting pipe body.

[0015] Furthermore, the anti-bending assembly includes a fixing ring, a spiral spring, a limiting ring and a rubber gasket, and the fixing ring is fixedly arranged at one end of the connecting mother component.

[0016] Furthermore, one end of a coil spring is fixedly connected to the outer wall of the fixed circular ring, a limiting ring is fixedly provided on the other end of the coil spring, a rubber gasket is fixedly connected to the arc-shaped inner wall of the limiting ring, the coil spring is sleeved on the resin hose, and the limiting ring is sleeved and fixed on the outer surface of the connecting component.

[0017] Furthermore, the spiral spring comprises a metal strip and a rubber sheath, and the outer surface of the metal strip is covered and fixed with the rubber sheath.

[0018] Through the above-mentioned embodiments of the present application, in order to solve the problem in the prior art that ordinary resin hose connection components are prone to loosening due to the expansion and contraction of the hose itself when connecting the hose, the present application connects the resin hose through the cooperation of the connecting mother component and the connecting child component, and through the setting of the expansion core, the resin hose can be automatically expanded and fixed during connection, thereby fully fixing the resin hose. Furthermore, in order to avoid the problem of the outer skin of the resin hose being damaged due to excessive bending for a long time during use at the connection position, the present application sets an anti-overbending component, which can play a protective role and automatically return to the original position after bending, thereby avoiding excessive bending for a long time. It is particularly suitable for connecting and using resin hoses. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0020] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present application;

[0021] Figure 2 This is a schematic structural diagram of a connecting mother component according to an embodiment of the present application;

[0022] Figure 3 This is a schematic diagram of the internal structure of a connecting mother component according to an embodiment of the present application;

[0023] Figure 4 This is a schematic diagram of the structure of a connecting sub-component according to an embodiment of the present application;

[0024] Figure 5 This is a schematic cross-sectional view of a connection mother component and a connection child component after being combined in one embodiment of the present application;

[0025] Figure 6 A schematic diagram of the connection of an anti-bending component according to an embodiment of the present application;

[0026] Figure 7 This is an overall schematic diagram of an anti-bending assembly according to an embodiment of the present application;

[0027] Figure 8 This is a schematic cross-sectional view of a coil spring according to an embodiment of the present application.

[0028] In the figure:

[0029] Connecting female part 1, connecting cylinder 101, limiting nut 102, internal thread groove 103;

[0030] Connecting sub-component 2, connecting pipe body 201, expansion core 202, fixing nut 203, external thread groove 204;

[0031] Resin hose 3;

[0032] Anti-bending component 4, fixed ring 401, spiral spring 402, metal thin strip 4021, rubber outer skin 4022;

[0033] Limiting ring 403 and rubber gasket 404. DETAILED DESCRIPTION

[0034] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0035] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0036] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0037] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0038] In addition, the terms "installed", "set", "provided with", "connected", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0039] See also Figure 1-8 As shown, a resin hose core expansion connection assembly, the resin hose core expansion connection assembly comprises:

[0040] A connecting mother component 1 and a connecting child component 2, wherein the connecting mother component 1 and the connecting child component 2 can be plug-connected;

[0041] The anti-bending component 4 is fixedly arranged at one end of the connecting mother component 1, and the anti-bending component 4 can be wrapped and arranged at the connection of the resin hose 3, and the anti-bending component 4 can be elastically bent;

[0042] Through the above technical scheme, the resin hose is connected by the cooperation of the connecting mother component 1 and the connecting sub-component 2. Through the setting of the expansion core, the resin hose can be automatically expanded and fixed during connection, so as to fully fix the resin hose. Furthermore, in order to avoid the problem of outer skin damage caused by long-term excessive bending at the connection position of the resin hose during use, the present application provides an anti-overbending component 4. The anti-overbending component 4 can play a protective role and automatically return to the original position after bending, thereby avoiding long-term excessive bending. It is particularly suitable for connecting and using resin hoses.

[0043] The connecting female part 1 comprises a connecting cylinder 101 , a limiting nut 102 and an internal thread groove 103 . The internal thread groove 103 is arranged at one side of the inner cavity of the connecting cylinder 101 . The limiting nut 102 is fixedly arranged at the arc-shaped outer wall of the connecting cylinder 101 .

[0044] The connecting sub-component 2 comprises a connecting tube body 201, an expansion core 202, a fixing nut 203 and an external thread groove 204. The expansion core 202 is fixedly arranged at the front end of the connecting tube body 201; an inner cavity is arranged inside the expansion core 202, and the expansion core 202 and the connecting tube body 201 are communicated with each other; an external thread groove 204 is arranged on the arc-shaped outer wall of the expansion core 202;

[0045] A fixing nut 203 is fixedly connected to the arc-shaped wall of the connecting tube body 201. According to the technical solution, when the resin hose 3 needs to be connected and fixed, the resin hose 3 is first inserted into one side of the connecting cylinder 101, and then the expansion core 202 is inserted into the other side of the connecting cylinder 101, and the threads of the external thread groove 204 and the internal thread groove 103 are matched. With continuous rotation, the expansion core 202 is continuously rotated and entered, so that the front end of the expansion core 202 enters the inner cavity of the resin hose 3, so that the resin hose 3 is expanded and fixed by the continuous entry of the expansion core 202, thereby realizing the fixing function of the resin hose 3;

[0046] The anti-bending assembly 4 includes a fixing ring 401, a spiral spring 402, a limiting ring 403 and a rubber gasket 404. The fixing ring 401 is fixedly arranged at one end of the connecting female component 1;

[0047] One end of a coil spring 402 is fixedly connected to the outer wall of the fixed circular ring 401, a limiting collar 403 is fixedly provided at the other end of the coil spring 402, a rubber gasket 404 is fixedly connected to the arc-shaped inner wall of the limiting collar 403, the coil spring 402 is sleeved on the resin hose 3, and the limiting collar 403 is sleeved and fixed on the outer surface of the connecting sub-component 2;

[0048] The coil spring 402 includes a metal strip 4021 and a rubber outer skin 4022, and the outer surface of the metal strip 4021 is covered and fixed with the rubber outer skin 4022. Through the technical solution, through the setting of the anti-overbending component 4, the connection position of the resin hose 3 can be protected, and through the elastic effect of the coil spring 402, when the resin hose 3 is excessively bent, it can resist the bending force, and after the excessive bending, the elastic effect of the coil spring 402 can drive the resin hose 3 to return to the normal state, thereby avoiding the damage caused by long-term excessive bending.

[0049] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The resin hose expansion core connection assembly is characterized by: The resin hose core expansion connection assembly comprises: A connecting mother component (1) and a connecting child component (2), wherein the connecting mother component (1) and the connecting child component (2) can be plug-connected; An anti-bending component (4) is fixedly arranged at one end of the connecting mother component (1), the anti-bending component (4) can be wrapped around the connection of the resin hose (3), and the anti-bending component (4) can be elastically bent.

2. The resin hose core expansion connection assembly according to claim 1, characterized in that: The connecting female component (1) comprises a connecting cylinder (101), a limiting nut (102) and an internal thread groove (103); the internal thread groove (103) is provided at one side of the inner cavity of the connecting cylinder (101).

3. The resin hose core expansion connection assembly according to claim 2, characterized in that: A limiting nut (102) is fixedly arranged on the arc-shaped outer wall of the connecting cylinder (101).

4. The resin hose core expansion connection assembly according to claim 1, characterized in that: The connecting sub-component (2) comprises a connecting tube body (201), an expansion core (202), a fixing nut (203) and an external thread groove (204); the expansion core (202) is fixedly arranged at the front end of the connecting tube body (201).

5. The resin hose core expansion connection assembly according to claim 4, characterized in that: An inner cavity is provided inside the expansion core (202), and the expansion core (202) and the connecting pipe body (201) are communicated with each other.

6. The resin hose core expansion connection assembly according to claim 4, characterized in that: An external thread groove (204) is provided on the arc-shaped outer wall of the expansion core (202).

7. The resin hose core expansion connection assembly according to claim 4, characterized in that: A fixing nut (203) is fixedly connected to the arc-shaped wall of the connecting tube body (201).

8. The resin hose core expansion connection assembly according to claim 1, characterized in that: The anti-overbending component (4) comprises a fixing ring (401), a spiral spring (402), a limiting ring (403) and a rubber gasket (404); the fixing ring (401) is fixedly arranged at one end of the connecting female component (1).

9. The resin hose core expansion connection assembly according to claim 8, characterized in that: One end of a coil spring (402) is fixedly connected to the outer wall of the fixed circular ring (401), a limiting collar (403) is fixedly provided at the other end of the coil spring (402), a rubber gasket (404) is fixedly connected to the arc-shaped inner wall of the limiting collar (403), the coil spring (402) is sleeved on the resin hose (3), and the limiting collar (403) is sleeved and fixed on the outer surface of the connecting sub-component (2).

10. The resin hose core expansion connection assembly according to claim 8, characterized in that: The spiral spring (402) comprises a metal thin strip (4021) and a rubber outer skin (4022), and the outer surface of the metal thin strip (4021) is covered and fixed with the rubber outer skin (4022).

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