Threading device

Abstract

The utility model belongs to the technical field of cable threading, and particularly relates to a threading device. The expansion piece is arranged in the elastic sleeve, so that the interior of the elastic sleeve can be inflated. Therefore, not only can the problem of difficult threading caused by adhesion of the inner wall of the elastic sleeve be prevented, but also the elastic sleeve can be expanded, so that the threading operation of the cable is more convenient. In addition, a stress magnet is arranged at the threading head part, and a driving magnet is arranged outside the sleeve. Therefore, under the action of magnetic force, the driving magnet can effectively drive the threading head to move in the expanded elastic sleeve, and the efficient and convenient threading process is achieved. According to the application, the balls are arranged on the surface of the threading head, so that the friction force between the cable and the inner wall of the elastic sleeve can be obviously reduced in the process of driving the magnetically-driven threading head to move in the elastic sleeve, thereby ensuring that the threading process is smoother and more efficient.

Description

Technical Field

[0001] This application belongs to the field of cable threading technology, specifically relating to a threading device for threading cables into the interior of a flexible sleeve during cable use. Background Technology

[0002] A cable is a complex conductive device consisting of one or more insulated conductors housed in an insulating sheath. The conductors are typically made of highly conductive materials, such as copper or aluminum, and are responsible for transmitting current. The insulating sheath is made of high-temperature resistant and chemically resistant materials, such as polyvinyl chloride or cross-linked polyethylene, to ensure that current flows only along the conductors and prevent leakage accidents.

[0003] In practical applications of cables, especially under harsh conditions such as high temperatures and corrosive environments, protecting cables from environmental factors is crucial. Considering the specific application scenarios of cables, they are typically inserted into flexible sleeves before being put into use. In this way, the flexible sleeve effectively isolates the cable from the external environment, preventing moisture, chemicals, and other contaminants from directly contacting the cable, thereby reducing the risk of corrosion and increasing the cable's service life.

[0004] Currently, the most prominent challenge in cable usage is cable threading. Because the flexible sleeve needs to be compatible with the cable diameter for a tight fit, the friction between the cable and the inner wall of the sleeve is significant during threading, making the process exceptionally difficult, especially with larger diameter or longer cables. Faced with this high resistance, operators often have to manually push the flexible sleeve into the designated position step by step. This method is not only time-consuming and labor-intensive but also severely impacts project progress and overall efficiency. Utility Model Content

[0005] To solve the above-mentioned technical problems, this application provides a threading device, which is achieved through the following technical solution:

[0006] A cable threading device includes: an expansion member, which is connected in a through-hole to an elastic sleeve and is used to inject gas into the elastic sleeve to expand it; a threading head, which is built into the elastic sleeve and has a fixing device for fixing the cable at one end and a force-receiving magnet at the other end; and a driving magnet, which is sleeved on the outside of the elastic sleeve and is used to drive the force-receiving magnet to move along the inner wall of the elastic sleeve.

[0007] Preferably, the threading head is provided with ball bearings.

[0008] Preferably, one end of the cable threading head retainer is hollow, and the retainer includes multiple sets of cable clamps facing inward, with the free ends of the cable clamps converging to form a through hole for the cable to pass through.

[0009] Preferably, the fixture is further provided with an adjusting member for adjusting the diameter of the through hole.

[0010] Preferably, the adjusting member includes an opening and closing end for contacting the inner wall of the wire clamp, and a control member for adjusting the length of the opening and closing end built into the through hole.

[0011] Preferably, the control element includes a limiting end for abutting against the end of the threading head.

[0012] Preferably, the control component includes an abutment ring disposed between the opening / closing end and the limiting end, and the inner wall of the threading head is provided with a groove for abutting against the side of the abutment ring near the limiting end.

[0013] Preferably, the adjusting member further includes an elastic element sleeved on the outer wall of the opening and closing end, one end of the elastic element being in contact with the end of the wire clamp, and the other end being in contact with the abutment ring.

[0014] Preferably, the device also includes an airflow control element through which the cable passes and is connected to the retainer; the airflow control element includes multiple sets of outwardly converging soft spikes that converge to form through holes for the cable to pass through.

[0015] Preferably, it also includes fasteners for gathering the soft barbs.

[0016] Compared with the prior art, this application has the following beneficial effects:

[0017] This application incorporates an expansion element within the elastic sleeve, enabling air inflation into the sleeve. This not only prevents difficulties in threading due to adhesion of the inner wall of the elastic sleeve but also allows the sleeve to expand, facilitating cable threading. Furthermore, this application includes a force-receiving magnet at the threading head and a driving magnet on the outside of the sleeve. Utilizing magnetic force, the driving magnet effectively drives the threading head to move within the expanded elastic sleeve, achieving an efficient and convenient threading process.

[0018] This application, by incorporating ball bearings on the surface of the cable threading head, significantly reduces the friction between the cable and the inner wall of the elastic sleeve during the magnetically driven movement of the threading head inside the elastic sleeve, thereby ensuring a smoother and more efficient threading process. Furthermore, this design helps protect the cable and elastic sleeve from damage, extending the cable's service life.

[0019] This application, by setting cable clamps and equipping them with an adjusting component to adjust the size of the through hole formed by the clamps, can easily fix and release the cable in the cable threading end. This design not only simplifies the operation process and improves work efficiency, but also, compared with existing technologies, effectively avoids damage or waste caused by twisting or bending of the cable during the threading and fixing process.

[0020] This application, by incorporating an airflow control component, effectively prevents gas from being expelled in the reverse direction along the cable when the expansion element inflates the elastic sleeve, ensuring that the elastic sleeve can fully expand and thus reducing the friction between the cable and the inner wall of the elastic sleeve. Furthermore, the design of the airflow control component also avoids airflow generating reverse resistance to the cable's movement under the drive tape, ensuring a smooth cable threading process. Attached Figure Description

[0021] To clearly illustrate the embodiments, the accompanying drawings will be briefly described below:

[0022] Figure 1 This is a schematic diagram of the threading device in Example 1;

[0023] Figure 2 This is a schematic diagram of the driving magnet structure in Example 1;

[0024] Figure 3 This is a schematic diagram of the thread end in Example 1;

[0025] Figure 4 This is a schematic diagram of the structure of one end of the thread end retainer in Example 1;

[0026] Figure 5 This is a cross-sectional view of one end of the thread end retainer in Example 1;

[0027] Figure 6 This is a schematic diagram of the Y-shaped connecting tube in Example 1;

[0028] Figure 7 This is a partial structural schematic diagram of the airflow control component in Example 1;

[0029] Figure 8 This is a schematic diagram of a portion of the structure of Example 1 with an elastic sleeve attached;

[0030] Reference numerals: 100, expansion element; 200, elastic sleeve; 300, wire thread end; 310, retainer; 311, wire clamp; 312, opening / closing end; 313, limiting end; 314, contact ring; 315, groove; 316, elastic element; 320, force-receiving magnet; 330, ball bearing; 400, cable; 500, driving magnet; 600, airflow control element; 610, soft spike; 620, fastener; 700, wire feeding assembly; 800, Y-shaped connecting tube. Detailed Implementation

[0031] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. Those skilled in the art will be able to implement the present invention based on these descriptions. Furthermore, the embodiments of the present invention described below are generally only a part of the embodiments of the present invention, and not all of the embodiments. Therefore, all other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort should fall within the scope of protection of the present invention.

[0032] This embodiment discloses a threading device, including:

[0033] A cable threading head 300 is designed to be integrated into the elastic sleeve 200. One end of the head has a retainer 310 for securing the cable 400, and the other end has a force-receiving magnet 320. A ball bearing 330 is positioned between the two ends. Correspondingly, the threading device also includes a driving magnet 500, which is sleeved outside the elastic sleeve 200 and used to drive the force-receiving magnet 320 to move along the inner wall of the elastic sleeve 200.

[0034] To reduce the difficulty of threading the wire through the elastic sleeve 200 and avoid problems such as adhesion to the inner wall of the elastic sleeve 200 or difficulty in magnetically driving the wire through the head 300, the threading device in this embodiment also includes an expansion member 100 that is connected through the elastic sleeve 200 and used to inject gas into the elastic sleeve 200 to cause it to expand. In addition, this embodiment also includes a wire feeding assembly 700 for conveying the cable 400.

[0035] The Y-shaped connecting pipe 800 has three ends for connecting to the elastic sleeve 200, the expansion member 100, and the cable 400, respectively. At the interface between the Y-shaped connecting pipe 800 and the elastic sleeve 200, elastic sleeves 200 of different diameters can be fitted by selecting interfaces of different diameters. To strengthen the connection between the Y-shaped connecting pipe 800 and the elastic sleeve 200, this embodiment also includes a clamp at the interface for securing the elastic sleeve 200 to the wall of the Y-shaped connecting pipe 800. A flow regulating valve is provided at the connection point between the Y-shaped connecting pipe 800 and the expansion member 100.

[0036] An airflow control element 600 is provided at the connection point between the Y-shaped connecting pipe 800 and the cable 400 to prevent gas from being discharged in the reverse direction along the cable 400 and to ensure that the elastic sleeve can expand sufficiently. The airflow control element 600 includes multiple sets of outwardly converging soft spikes 610, which converge to form through holes for the cable 400 to pass through. The airflow control element 600 also includes fasteners 620 for converging the soft spikes 610.

[0037] To avoid damage or waste caused by twisting or bending of the cable 400 during the cable threading and fixing process, and to simplify the cable 400 fixing and releasing procedure, in this embodiment, the fixing device 310 of the cable threading head 300 is hollow. The fixing device 310 includes multiple sets of cable clamps 311 arranged inward, and the free ends of the cable clamps 311 converge to form a through hole for the cable 400 to pass through. The fixing device 310 is also provided with an adjusting member for adjusting the diameter of the through hole. The adjusting member includes an opening and closing end 312 for contacting the inner wall of the cable clamp 311, and a control member for adjusting the length of the opening and closing end 312 inside the through hole. The control component includes a limiting end 313 for abutting against the end of the threading head 300, and an abutment ring 314 disposed between the opening / closing end 312 and the limiting end 313. The inner wall of the threading head 300 is provided with a protrusion 315 for abutting against the side of the abutment ring 314 near the limiting end 313. The adjustment component also includes an elastic element 316 sleeved on the outer wall of the opening / closing end 312. One end of the elastic element 316 contacts the end of the wire clamp 311, and the other end contacts the abutment ring 314.

[0038] This embodiment also discloses the usage of the above-mentioned threading device, specifically including the following steps: Pass the cable 400 through the interface of the Y-shaped connecting pipe 800, exiting at the interface between the Y-shaped connecting pipe 800 and the elastic sleeve 200; press the limiting end 313 of the threading head 300 so that the opening end 312 contacts the inner wall of the clamp 311, increasing the diameter of the through hole formed by the clamp 311; place the cable 400 in the through hole; release the limiting end 313; under the action of the elastic element 316, the clamp 311 locks the cable, completing the fixed installation of the threading head 300 and the cable 400; mount the driving magnet 500 on the outer surface of the elastic sleeve 200, and insert the threading head 300 into the interior of the elastic sleeve 200; then, use a clamp to fix the end of the elastic sleeve 200 to the interface of the Y-shaped connecting pipe 800. In use, compressed gas is injected into the elastic sleeve 200 by the expansion member 100, causing the elastic sleeve 200 to expand. This moves the driving magnet 500, which in turn moves the force-receiving magnet 320, thus enabling the cable 400 to be threaded through.

Claims

1. A threading device, characterized in that, include: An expansion member (100) is connected in a through-hole to the elastic sleeve (200) and is used to inject gas into the elastic sleeve (200) to expand it; The cable end (300) is built into the elastic sleeve (200), with a retainer (310) for fixing the cable (400) at one end and a force magnet (320) at the other end. A driving magnet (500) is sleeved outside the elastic sleeve (200) and is used to drive the force magnet (320) to move along the inner wall of the elastic sleeve (200).

2. The threading device according to claim 1, characterized in that, The thread end (300) is provided with a ball bearing (330).

3. The threading device according to claim 1, characterized in that, The fixing device (310) of the wire threading head (300) is hollow at one end. The fixing device (310) includes multiple sets of wire clamps (311) arranged inward. The free ends of the wire clamps (311) are gathered to form a through hole for the cable (400) to pass through.

4. A threading device according to claim 3, characterized in that, The fixture (310) is also provided with an adjusting element for adjusting the diameter of the through hole.

5. A threading device according to claim 4, characterized in that, The adjusting component includes an opening and closing end (312) for contacting the inner wall of the wire clip (311), and a control component for adjusting the length of the opening and closing end (312) inside the through hole.

6. A threading device according to claim 5, characterized in that, The control element includes a limiting end (313) for abutting against the end of the threading head (300).

7. A threading device according to claim 6, characterized in that, The control component includes an abutment ring (314) disposed between the opening end (312) and the limiting end (313), and the inner wall of the thread end (300) is provided with a groove (315) for abutting against the side of the abutment ring (314) near the limiting end (313).

8. A threading device according to claim 7, characterized in that, The adjusting member also includes an elastic member (316) sleeved on the outer wall of the opening and closing end (312). One end of the elastic member (316) is in contact with the end of the wire clamp (311), and the other end is in contact with the abutment ring (314).

9. A threading device according to claim 1, characterized in that, It also includes an airflow control element (600), through which the cable (400) passes and connects to the retainer (310); the airflow control element (600) includes multiple sets of outwardly converging soft spikes (610), which converge to form through holes for the cable to pass through.

10. A threading device according to claim 9, characterized in that, The airflow control (600) also includes fasteners (620) for retracting the soft barbs (610).

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