CN219513734U - Internal thread fixing joint for metal coiled pipe - Google Patents

Abstract

The utility model relates to the technical field of metal coil pipe fixed joints, and particularly discloses a metal coil pipe internal thread fixed joint, which comprises the following components: the connector comprises a connector main body, a threaded inner plug and a tightening cap; the screw thread inner plug is installed between the joint main part and the packing cap, and the packing cap threaded connection is in the one end of joint main part, and one side of screw thread inner plug is fixed and is equipped with the connecting pipe, and the guide slot has been seted up to the array on the connecting pipe and runs through the groove, runs through groove and guide slot and set up in turn for screw thread inner plug location installation, is equipped with the one end of running through the groove on the connecting pipe and is equipped with spherical lug for fixed metal coiled pipe. According to the internal thread fixed joint, the threaded internal plug is positioned and installed on the joint main body, so that the stability of the threaded internal plug is guaranteed, the two ends of the threaded internal plug are fixedly connected with the metal coiled pipe, the stable connection of the metal coiled pipe and the fixed joint is guaranteed, the spherical protruding block is clamped with the metal coiled pipe, and the fixed joint is guaranteed to firmly connect the metal coiled pipe.

Description

Internal thread fixing joint for metal coiled pipe

Technical Field

The utility model relates to the technical field of fixed joints of metal coiled tubes, in particular to an internal thread fixed joint of a metal coiled tube.

Background

The metal coil pipe is used for carrying out safety protection on the electric cable inside the metal coil pipe, preventing the electric cable from being broken and corroded, and protecting the cable or the pipeline from being bent and broken.

In the prior art, the application number is disclosed as follows: the utility model of CN20122185616.1 is named: the utility model provides a PE pipe fracture reconnection and free diversion connect, wherein adopts many times seal structure, improves sealing performance, closely presses the briquetting at PE pipe surface, prevents to take place to rotate, carries out corresponding shape deformation diversion to the coiled pipe when pipeline direction of delivery carries out the diversion, connects convenient and fast.

However, in the prior art, the application number is as follows: the joint mentioned in CN20122185616.1 is easy to drop when connecting a metal coil, and is not firm enough when connecting a metal coil, and is easy to cause water seepage at the joint, so that the cable inside the metal coil is damaged.

Disclosure of Invention

The utility model aims to provide a metal coil pipe internal thread fixed joint, which aims to solve the problems in the prior art.

The aim of the utility model can be achieved by the following technical scheme:

the metal coil internal thread fixed joint, the internal thread fixed joint includes:

the connector comprises a connector main body, a threaded inner plug and a tightening cap;

the screw thread inner plug is installed between the joint main part and the packing cap, and the packing cap threaded connection is in the one end of joint main part, and one side of screw thread inner plug is fixed and is equipped with the connecting pipe, and the guide slot has been seted up to the array on the connecting pipe and runs through the groove, runs through groove and guide slot and set up in turn for screw thread inner plug location installation, is equipped with the one end of running through the groove on the connecting pipe and is equipped with spherical lug for fixed metal coiled pipe.

Further, one end of the joint main body is provided with a first threaded hole, the other end of the joint main body is provided with external threads, a through hole is fixedly formed in the joint main body, and the through hole is communicated with the first threaded hole.

Further, the joint main body is internally provided with a positioning straight rod in an array manner and used for slidably mounting the joint main body, one end of the positioning straight rod is fixedly provided with an oblique guide block, and the joint main body is provided with anti-skid lines.

Further, one end of the connecting pipe, which is close to the threaded inner plug, is fixedly provided with a spherical lug for increasing the deformation of the threaded inner plug, a conical hole is formed in the threaded inner plug, and a conical thread is arranged in the conical hole.

Furthermore, the conical threads are matched with the concave-convex structure of the outer wall of the metal coil pipe and are used for clamping and fixing the metal coil pipe.

Further, the guide groove is matched with the positioning straight rod and used for positioning and installing the connecting pipe in the connector main body, and the guide groove is matched with the inclined guide block.

Further, one end of the joint main body is provided with a tightening cap, the tightening cap is used for reinforcing the metal coiled pipe through an extrusion thread inner plug, a second threaded hole is formed in the tightening cap, a through hole is formed in the tightening cap and used for installing the metal coiled pipe, and the second threaded hole is matched with the external thread.

The utility model has the beneficial effects that:

1. according to the internal thread fixed joint, the threaded internal plug is positioned and installed on the joint main body, so that the stability of the threaded internal plug is ensured, the two ends of the threaded internal plug are fixedly connected with the metal coiled pipe, the stable connection between the metal coiled pipe and the fixed joint is ensured, and the reliability of joint connection is improved;

2. according to the internal thread fixed joint, the spherical protruding blocks are clamped with the metal coiled pipe, so that the fixed joint is guaranteed to firmly connect the metal coiled pipe, meanwhile, the threaded internal plugs are clamped and fixed with the threads of the metal coiled pipe, the waterproofness of the metal coiled pipe is guaranteed, and the waterproof effect is improved.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic view of the explosive structure of the internally threaded fixed joint of the present utility model;

FIG. 2 is an elevation view of the explosion structure of the internally threaded fixed joint of the present utility model;

fig. 3 is a sectional view of an exploded structure of the female screw fixing joint of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The metal coil pipe internal thread fixed joint is shown in fig. 1-3, and the internal thread fixed joint comprises a joint main body 1, a threaded internal plug 2 and a tightening cap 3, wherein one end of the joint main body 1 is provided with a first threaded hole 11, the other end is provided with an external thread 12, one end of the joint main body 1 is connected with the threaded internal plug 2, and the joint main body is fixedly connected with the metal coil pipe through the threaded internal plug 2.

The threaded inner plug 2 is internally provided with a conical hole 25 for being clamped with a metal coiled pipe, one end of the joint main body 1 is provided with a tightening cap 3 for extruding the threaded inner plug 2 to fix the metal coiled pipe, the tightening cap 3 is internally provided with a second threaded hole 31, the second threaded hole 31 is in threaded connection with the external thread 12, the tightening cap 3 and the threaded inner plug 2 are internally provided with the metal coiled pipe, and the metal coiled pipe is not shown in the figure.

The connector body 1 internal fixation is equipped with the through-hole, and the through-hole communicates with first screw hole 11, and the connector body 1 internal fixation is equipped with the location straight-bar 15 of array distribution, and the one end fastening that is close to the through-hole on the location straight-bar 15 is equipped with oblique guide block 14, oblique guide block 14 and connector body 1 fixed connection are equipped with anti-skidding line 13 on the connector body 1 for manual operation connector body 1 prevents that the finger from skidding.

One side of the threaded inner plug 2 is fixedly provided with a connecting pipe 21, the joint of the connecting pipe 21 and the threaded inner plug 2 is provided with a spherical lug 24, the spherical lug 24 is used for connecting one end of the main body 1, the extrusion deformation of the threaded inner plug 2 is increased, and the fixing force of the threaded inner plug 2 to a metal coiled pipe is increased.

The connecting pipe 21 is provided with guide grooves 22 distributed in an array, the guide grooves 22 are in sliding connection with the positioning straight rod 15 and are used for positioning and mounting the connecting pipe 21 and the joint main body 1, the connecting pipe 21 is provided with penetrating grooves 23 distributed in an array, the penetrating grooves 23 and the guide grooves 22 are alternately arranged, one end of the connecting pipe 21 provided with the penetrating grooves 23 is provided with spherical bumps 24, the penetrating grooves 23 penetrate through the spherical bumps 24, and the guide grooves 22 are matched with the oblique guide blocks 14.

When the connecting pipe 21 is inserted into the joint main body 1 along the positioning straight rod 15, the inclined guide block 14 moves toward the axis against the connecting pipe 21 between the two through grooves 23, the spherical projection 24 is abutted against the outer wall of the metal coil, and the metal coil in the joint main body 1 is fixed by the spherical projection 24.

The tapered hole 25 is internally provided with a tapered thread 26, the tapered thread 26 is used for being matched and connected with a concave-convex structure of the outer wall of the metal coiled pipe, the threaded inner plug 2 is screwed and fixed on the metal coiled pipe, the tightening cap 3 is provided with a through hole 32, and the metal coiled pipe passes through the through hole 32.

When the metal coil internal thread fixing joint is used, the using method of the metal coil internal thread fixing joint in the embodiment is as follows:

the metal coiled pipe passes through the through hole 32 on the tightening cap 3, the threaded inner plug 2 is screwed on the metal coiled pipe, after the metal coiled pipe passes through the joint main body 1, the guide groove 22 is matched with the positioning straight rod 15 in a positioning way, the connecting pipe 21 stably slides into the joint main body 1 until the guide groove 22 is matched with the inclined guide block 14, the inclined guide block 14 moves towards the metal coiled pipe against the spherical lug 24 until the spherical lug 24 is connected with the concave-convex structure of the outer wall of the metal coiled pipe, the metal coiled pipe is fixed through the spherical lug 24, and the spherical lug 24 is abutted against the end part of the joint main body 1.

The packing cap 3 is moved towards one end of the joint main body 1, the packing cap 3 is screwed into the joint main body 1, the packing cap 3 extrudes the threaded inner plug 2, the spherical lug 24 enters the threaded inner plug 2, after the threaded inner plug 2 is extruded, the metal coiled pipe is fixed, the connection firmness of the fixed joint and the metal coiled pipe is improved, and the metal coiled pipe is stably connected with other pipe bodies.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (7)

1. The female screw fixed joint of metal coil, its characterized in that, female screw fixed joint includes:

the connector comprises a connector main body (1), a threaded inner plug (2) and a tightening cap (3);

the screw thread inner plug (2) is installed between the joint main body (1) and the packing cap (3), and the packing cap (3) is in threaded connection with one end of the joint main body (1), one side of the screw thread inner plug (2) is fixedly provided with a connecting pipe (21), the connecting pipe (21) is provided with guide grooves (22) and penetrating grooves (23) in an array mode, the penetrating grooves (23) and the guide grooves (22) are alternately arranged for positioning and installing the screw thread inner plug (2), and one end, provided with the penetrating grooves (23), of the connecting pipe (21) is provided with spherical bumps (24) for fixing a metal coil pipe.

2. A metal coil internal thread fixing joint according to claim 1, wherein one end of the joint main body (1) is provided with a first threaded hole (11), the other end is provided with external threads (12), a through hole is fixedly arranged in the joint main body (1), and the through hole is communicated with the first threaded hole (11).

3. A metal coil internal thread fixed joint according to claim 2, characterized in that a positioning straight rod (15) is arranged in the joint main body (1) in an array manner and used for slidably mounting the joint main body (1), one end of the positioning straight rod (15) is fixedly provided with an inclined guide block (14), and the joint main body (1) is provided with anti-skid patterns (13).

4. A metal coil internal thread fixing joint as claimed in claim 1, wherein one end of the connecting pipe (21) close to the thread internal plug (2) is fixedly provided with a spherical projection (24) for increasing the deformation of the thread internal plug (2), the thread internal plug (2) is internally provided with a conical hole (25), and the conical hole (25) is internally provided with a conical thread (26).

5. A metal snake internal screw thread fixing joint according to claim 4, wherein the conical screw thread (26) is matched with the concave-convex structure of the outer wall of the metal snake for clamping and fixing the metal snake.

6. A metal snake internal thread fixed joint according to claim 4, characterised in that the guide groove (22) cooperates with a locating straight rod (15) for locating the connecting tube (21) in the joint body (1), the guide groove (22) cooperates with the oblique guide block (14).

7. The internal thread fixed joint of the metal coil pipe according to claim 2, wherein one end of the joint main body (1) is provided with a tightening cap (3), the tightening cap (3) reinforces the metal coil pipe by extruding the threaded internal plug (2), a second threaded hole (31) is arranged in the tightening cap (3), a through hole (32) is arranged on the tightening cap (3) and is used for installing the metal coil pipe, and the second threaded hole (31) is matched with the external thread (12).