CN220626741U

CN220626741U - Threading lead structure and lead device

Info

Publication number: CN220626741U
Application number: CN202322282606.6U
Authority: CN
Inventors: 赵阔; 杜洋
Original assignee: Chongqing Pudingxin Communication Equipment Co ltd
Current assignee: Chongqing Pudingxin Communication Equipment Co ltd
Priority date: 2023-08-24
Filing date: 2023-08-24
Publication date: 2024-03-19
Anticipated expiration: 2033-08-24

Abstract

The present utility model relates to the technical field of threading accessory devices, and in particular, to a threading and leading structure and a threading device applied to optical fiber cables (including pigtails and jumpers, hereinafter, equivalently abbreviated as optical fiber cables) and other cables. The utility model discloses a threading and leading structure, which comprises a connecting component and a traction component; one end of the connecting component is fixedly connected with one end of the traction steel rope, and the other end of the connecting component is fixedly provided with a screw rod; the inside of traction assembly is the cavity form, and traction assembly's one end is the toper, and the conical tip is equipped with the screw hole with screw rod complex, and traction assembly's the detachable fixed subassembly that is connected with of the other end, traction fixed subassembly can supply the cable to pass. The utility model solves the technical problems that the existing direct threading efficiency is low, the connector joint of the optical fiber cable is extremely easy to damage, and the signal transmission effect is affected, and achieves the effects of improving the threading efficiency and ensuring the quality.

Description

Threading lead structure and lead device

Technical Field

The present utility model relates to the technical field of threading accessory devices, and in particular, to a threading and leading structure and a threading device applied to optical fiber cables (including pigtails and jumpers, hereinafter, equivalently abbreviated as optical fiber cables) and other cables.

Background

In common cable arrangements, particularly fiber optic cable arrangements, it is often necessary to pass the fiber optic cable through very small holes or complex structures. The optical fiber cable is used as an auxiliary material necessary for communication, the communication capacity is large, and the transmission width of the optical fiber cable is much larger than that of a cable wire or a copper wire. However, since the optical fiber cable has a small diameter and has a connector terminal, the optical fiber cable is easily broken or broken in the pulling wiring.

When the existing staff arranges and pulls the optical fiber cable, the most original mode of directly threading the optical fiber cable is often used, so that the efficiency is low, the connector joint of the optical fiber cable is also easily damaged, and the signal transmission effect is influenced.

Accordingly, those skilled in the art have been working to develop a threading lead structure and lead device suitable for use with fiber optic cables (including pigtails and jumpers, hereinafter referred to as fiber optic cables for brevity) and other cables.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, the present utility model discloses a threading and guiding structure and a guiding device, and aims to provide a threading and guiding structure and guiding device suitable for optical fiber cables (including pigtails and jumpers, hereinafter, equivalently abbreviated as optical fiber cables) and other cables.

In order to achieve the above object, the present utility model provides a threading and leading structure, comprising a connecting component and a traction component; one end of the connecting component is fixedly connected with one end of the traction steel rope, and the other end of the connecting component is fixedly provided with a screw rod; the inside of pulling the subassembly is the cavity form, and the one end of pulling the subassembly is the toper, the conical tip be equipped with screw rod complex screw hole, the other end detachable of pulling the subassembly is connected with pulls fixed subassembly, it can supply the cable to pass to pull fixed subassembly.

Preferably, a fixing nut is arranged in the middle of the connecting component, and one end of the fixing nut is provided with a protruding conical cap so as to reduce resistance in threading. And the middle parts of the protruding conical cap and the fixing nut are provided with coaxial inner holes, one end of the traction steel rope is fixedly inscribed in the inner holes, and the protruding conical cap and the fixing nut can be reinforced in a crimping or welding mode for reinforcing connection. The other end of the fixing nut is fixedly connected with the screw rod.

Preferably, the traction fixing assembly comprises a fixing part and a connecting part which are connected, the outer diameter of the fixing part is larger than that of the connecting part, and the outer periphery of the connecting part is provided with external threads matched with the traction assembly. The non-conical end of the traction assembly is provided with the internal thread, namely the connection part can be screwed into the internal thread of the traction assembly, so that the connection of the traction assembly and the connection part is realized, and the disassembly is convenient.

Preferably, the middle parts of the fixing part and the connecting part are provided with through round holes for penetrating out the optical fiber cable. The fixing part is provided with an opening which is communicated with the round hole, the opening is arranged along the radial direction, if the threading of the optical fiber cable is performed, the connector can be clamped into the opening, so that the connector can be prevented from being damaged in the process of pulling the stay wire, and the optical fiber is prevented from being separated from the connector, so that the signal transmission effect is not affected.

Preferably, the diameter phi of the fixing nut is not more than 7mm, and the length H of the screw rod is 5-15 mm, preferably 10mm.

Preferably, the length L of the traction assembly is 50-70 mm, preferably 60mm.

The utility model also provides a threading device comprising the threading and threading structure.

Preferably, the lead device provided by the utility model further comprises a probe assembly, the probe assembly comprises a body, a threaded connecting hole is formed in the body, one end of the body is fixedly connected with a fixing cap, one end of a steel rope penetrates through the fixing cap, and of course, in order to strengthen the connection, the connection can be reinforced in a crimping or welding mode, and the connecting hole is in threaded fit with the screw rod. Through setting up the probe subassembly, when needing to pass less space, can be earlier with coupling assembling and probe subassembly threaded connection, pulling the wire rope that pulls like this, can pull the wire rope that wears to visit and pass. After the penetrating steel rope passes through the small gap, the connecting component is connected with the traction component provided with the optical fiber cable, so that the optical fiber cable can be easily pulled.

Preferably, the outer diameter of the body is equal to the outer diameter of the fixing nut, so that resistance can be reduced in the threading process, and threading is smoother.

Preferably, the fixing cap is arc-shaped away from one side of the body, and the arc-shaped fixing cap is more convenient to smoothly pull under the condition that the fixing cap needs to be pulled back.

The application method of the lead device provided by the utility model comprises the following steps:

1) Connecting the connecting component with the probe component for extending into a gap through which the optical fiber cable needs to pass;

2) After passing through the gap, the probe assembly is taken down and replaced by a traction assembly;

3) The connector joint of the optical fiber cable is clamped into the opening of the traction fixing assembly, and then the cable is connected downwards, so that the connector joint is clamped in the central round hole of the traction fixing assembly; and then the traction fixing assembly is connected with the traction assembly through threads, so that threading work can be performed.

The beneficial effects of the utility model are as follows:

through setting up coupling assembling and traction assembly, can wear the cable before leading in the wiring, if be the connection of fiber cable, the tip that will be fiber cable stretches into traction assembly's cavity inner chamber promptly to make the connector joint pass and pull fixed subassembly, will pull fixed subassembly and traction assembly to be connected again. And then the screw rod of the connecting component is connected with the threaded hole of the traction component, and at the moment, the traction steel rope of the connecting component is pulled, so that the optical fiber cable is pulled and pulled. Therefore, the threading efficiency is improved, the connector joint of the optical fiber cable is prevented from being damaged, and the signal transmission effect is not affected by the threading process.

Drawings

FIG. 1 is a schematic diagram of an assembled structure of an embodiment of the threading lead structure of the present utility model;

FIG. 2 is a schematic view of a connection assembly of the threading lead structure of the present utility model;

FIG. 3 is a schematic view of the pulling assembly of the threading lead structure of the present utility model;

FIG. 4 is a schematic view of a pull-securing assembly of the threading lead structure of the present utility model;

FIG. 5 is a schematic view of a probe assembly of the lead assembly of the present utility model;

fig. 6 is a partially assembled schematic illustration of the lead assembly of the present utility model.

In the above figures: 1. a connection assembly; 11. traction steel rope; 12. a fixing nut; 13. a screw; 2. a traction assembly; 21. a threaded hole; 22. an internal thread; 3. a traction fixation assembly; 31. a fixing part; 311. a round hole; 312. an opening; 32. a connection part; 4. a probe assembly; 41. a body; 411. a connection hole; 42. a fixing cap; 43. penetrating a steel rope; 5. an optical fiber cable.

Detailed Description

The present utility model will be further described with reference to the drawings and examples, and it should be noted that in the description of the present utility model, the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific manner, and thus should not be construed as limiting the present utility model. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 3, the present utility model provides a threading guide structure comprising a connecting assembly 1 and a traction assembly 2; one end of the connecting component 1 is fixedly connected with one end of the traction steel rope 11, and the other end of the connecting component 1 is fixedly provided with a screw 13. The inside of the traction component 2 is hollow, one end of the traction component 2 is conical, a threaded hole 21 matched with the screw 13 is formed in the conical end, the other end of the traction component 2 is detachably connected with the traction fixing component 3, and the traction fixing component 3 can be used for a cable to pass through.

In this embodiment, by providing the connection assembly 1 and the traction assembly 2, the cable can be inserted into the hollow cavity of the traction assembly 2 before the wire is threaded, i.e. the end of the optical fiber cable 5 in this embodiment, and the connector joint passes through the traction fixing assembly 3, and then the traction fixing assembly 3 is connected with the traction assembly 2. The threaded rod 13 of the coupling assembly 1 is then coupled to the threaded bore 21 of the pulling assembly 2. At this time, the fiber cable 5 is pulled by pulling the pulling cable 11 of the connection assembly 1. Therefore, the threading efficiency is improved, and the damage to the connector joint of the optical fiber cable 5 is avoided, so that the signal transmission effect is not affected by the threading process.

As shown in fig. 2, the middle part of the connecting assembly 1 is provided with a fixing nut 12, and one end of the fixing nut 12 is provided with a protruding conical cap, so that the resistance in threading can be reduced. And the middle parts of the protruding conical cap and the fixing nut 12 are provided with coaxial inner holes, one end of the inscribed traction steel rope 11 is fixed in the inner holes, and the inner holes can be reinforced in a crimping or welding mode for reinforcing connection. The other end of the fixing nut 12 is fixedly connected with a screw rod 13. Specifically, the diameter Φ of the fixing nut 12 is not more than 7mm, and in this embodiment, the diameter Φ of the fixing nut 12 is 6mm; the length H of the screw 13 is 5-15 mm, in this embodiment the length H of the screw 13 is 10mm; the length L of the pulling assembly 2 is 50-70 mm, in this embodiment L60 mm.

As shown in fig. 4, the traction fixing assembly 3 includes a fixing portion 31 and a connecting portion 32 connected, the outer diameter of the fixing portion 31 is larger than that of the connecting portion 32, and the outer circumference of the connecting portion 32 is provided with external threads matched with the traction assembly 2. The non-tapered end of the pulling assembly 2 is provided with an internal thread 22, i.e. the connection of the two can be achieved by screwing the connecting portion 32 into the internal thread 22 of the pulling assembly 2, while also being easy to disassemble. Meanwhile, the middle parts of the fixing part 31 and the connecting part 32 are provided with a through round hole 311, the round hole 311 is used for threading the cable, in particular, the optical fiber cable 5, and the end part of the cable is required to be larger than the diameter of the round hole 311, so that the cable can be ensured not to be pulled out in the threading process. In addition, the fixing portion 31 is provided with an opening 312 penetrating the round hole 311, and the opening 312 is arranged along the radial direction, so that if the fiber cable is threaded, the connector of the fiber cable 5 can be clamped into the opening 312, and therefore the connector can be prevented from being damaged in the process of pulling and pulling wires, and the tail fiber is prevented from being separated from the threader, so that the signal transmission effect is not affected.

As shown in fig. 1 to 6, the present utility model further provides a threading device, which comprises the threading structure as described above, and further comprises a probe assembly 4, wherein the probe assembly 4 comprises a body 41, and the outer diameter of the body 41 is equal to the outer diameter of the fixing nut 12, so that resistance can be reduced in the threading process, and threading is smoother. The body 41 is internally provided with the connecting hole 411 with threads, one end of the body 41 is fixedly connected with the fixing cap 42, one side, away from the body 41, of the fixing cap 42 is arc-shaped, and the arc-shaped fixing cap 42 is more convenient to smoothly pull under the condition that the back pulling is needed. The fixing cap 42 is internally connected with one end of the penetrating steel wire 43, and of course, the fixing cap can be reinforced by crimping or welding, and the connecting hole 411 is in threaded fit with the screw 13. By providing the probe assembly 4, when it is desired to pass through a small gap, as shown in fig. 6, the connection assembly 1 may be first screwed with the probe assembly 4, and thus the pulling cable 11 may be pulled to pull the penetrating cable 43 through. After the penetrating steel rope 43 passes through the small gap, the connecting component 1 is connected with the traction component 2 provided with the optical fiber cable 5, so that the optical fiber cable 5 can be easily pulled.

1) Connecting the connection assembly 1 with the probe assembly 4 for extending into a space through which the optical fiber cable 5 is required to pass;

2) After passing through the gap, the probe assembly 4 is removed and replaced with the pulling assembly 2.

3) The connector joint of the optical fiber cable 5 is clamped into the opening 312 of the traction fixing assembly 3, and then the optical fiber is connected downwards, so that the connector joint is clamped in the central round hole 311 of the traction fixing assembly 3; and then the traction fixing assembly 3 is connected with the traction assembly 2 through threads, so that threading work can be performed.

The foregoing describes in detail preferred embodiments of the present utility model. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the utility model by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.

Claims

1. A threading lead structure which is characterized in that: comprises a connecting component (1) and a traction component (2); one end of the connecting component (1) is fixedly connected with one end of the traction steel rope (11), and the other end of the connecting component (1) is fixedly provided with a screw rod (13); the inside of hauling subassembly (2) is the cavity form, and the one end of hauling subassembly (2) is the toper, the conical tip be equipped with screw rod (13) complex screw hole (21), the other end detachable of hauling subassembly (2) is connected with and pulls fixed subassembly (3), it can supply the cable to pass to pull fixed subassembly (3).

2. The threading lead structure of claim 1 wherein: the middle part of coupling assembling (1) is equipped with fixation nut (12), the one end inscription of fixation nut (12) traction steel rope (11) one end, the other end fixed connection of fixation nut (12) screw rod (13).

3. The threading lead structure of claim 1 wherein: the traction fixing assembly (3) comprises a fixing portion (31) and a connecting portion (32) which are connected, the outer diameter of the fixing portion (31) is larger than that of the connecting portion (32), and external threads matched with the traction assembly (2) are arranged outside the connecting portion (32).

4. A threading lead structure according to claim 3 wherein: the middle parts of the fixing part (31) and the connecting part (32) are provided with round holes (311) which penetrate through, and the fixing part (31) is provided with openings (312) which penetrate through the round holes (311).

5. The threading lead structure of claim 2 wherein: the diameter phi of the fixed nut (12) is not more than 7mm, and the length H of the screw rod (13) is 5-12 mm.

6. The threading lead structure of claim 1 wherein: the length L of the traction assembly (2) is 50-70 mm.

7. A lead wire device, characterized in that: comprising a threading lead structure as claimed in any one of claims 2 to 6.

8. The lead wire apparatus of claim 7, wherein: the probe comprises a body (41), a threaded connecting hole (411) is formed in the body (41), a fixing cap (42) is fixedly connected to one end of the body (41), one end of a steel wire rope (43) is penetrated through the fixing cap (42), and the connecting hole (411) is in threaded fit with the screw rod (13).

9. The lead wire apparatus of claim 8, wherein: the outer diameter of the body (41) is equal to the outer diameter of the fixing nut (12).

10. The lead wire apparatus of claim 8, wherein: the side of the fixing cap (42) away from the body (41) is arc-shaped.