CN114843988B - Cable connector butt joint device - Google Patents

Abstract

The invention discloses a cable connector docking device. The cable connector docking device aims to solve the technical problem that the current method of docking and connecting cables in the connector has poor electrical conductivity and is prone to loosening. The cable joint docking device includes a winding cavity arranged symmetrically up and down, a No. 1 connector fixedly connected to the upper end of the winding cavity and the lower end of the other winding cavity, and is threadedly connected to the middle of the outside between the No. 1 connectors. nut. This cable joint docking device uses a method of winding and locking the cables and conductive parts to strengthen the connection strength between the two sets of cables and making them less likely to slip. Compared with the direct docking of cables, it has better conductivity and is rod-shaped. During the joint connection process, the conductive parts are gradually compressed and locked by the surrounding collar as the middle nut is twisted, stabilizing its working state and not easily deflecting when subjected to external vibration, so that the conductive parts and the winding cavity are always in the same position. axis status.

Description

Cable connector docking device

Technical field

The invention belongs to the field of electric power facilities and equipment, and specifically relates to a cable joint docking device.

Background technique

The development speed of electric power production should be higher than that of other departments in order to promote the coordinated development of the national economy. Therefore, the electric power industry is also called the "pioneer" of the national economy. With the full rollout of electric power project construction, it will greatly contribute to economic development. Provides strong protection.

After the cable is laid, in order to make it a continuous line, each segment of the line must be connected as a whole through a cable joint, which is used to lock and fix the incoming and outgoing lines, and play a role in waterproofing, dustproofing and anti-vibration. Today's cables The connector is generally installed by docking the cable ends inside the connector, and it is easy for the cable connector to become loose.

Therefore, in view of the above-mentioned traditional docking installation of cable joints that are prone to loose joints, a new cable joint docking device is developed, which utilizes the winding connection method of conductive parts and cables, and cooperates with the combined installation of joints to form a continuous line.

Contents of the invention

(1) Technical problems to be solved

In view of the shortcomings of the existing technology, the purpose of the present invention is to provide a cable connector docking device, which is designed to solve the technical problem that the current cable connector connection method has poor conductivity and is prone to loose connectors.

(2)Technical solutions

In order to solve the above technical problems, the present invention provides such a cable connector docking device. The cable connector docking device includes a winding cavity arranged symmetrically up and down, and a winding cavity fixedly connected to the upper end of the winding cavity and the lower end of the other winding cavity. The No. 1 connector has an intermediate nut threadedly connecting the two No. 1 connectors between the other ends of the No. 1 connector. The top of the No. 1 connector has four sets of movable slots symmetrically arranged in a cross. A surrounding collar is provided in the middle of the connector, and an extrusion rod is cross-connected on the outside of the surrounding collar. The extrusion rod is slidingly connected to the movable groove. The extrusion rod protrudes outside the movable groove, and the extrusion rod protrudes from the movable groove. The height of the outer part gradually increases from the end toward the center of the winding cavity. A conductive piece is vertically disposed in the middle of the middle nut, and the conductive piece is disposed inside the surrounding collar.

When using the cable connector docking device of this technical solution, the user inserts the two cables into each other from the winding cavities on both sides, then peels off the outer sheath of the cables at the ends, and wraps the middle metal wire around the The outer ends of the conductive parts are then connected to the No. 1 connector through the middle nut to lock the two sets of winding cavities, and then the cable inside the No. 2 connector is locked by twisting the end nut.

Preferably, the lower end of the winding chamber and the upper end of the other winding chamber are provided with a No. 2 connector, and an end nut is threadedly connected to the outside of the No. 2 connector. Turn the end nut by hand so that it moves vertically on the No. 2 connector, toward or away from the plastic fastening sleeve.

Preferably, a plastic tightening sleeve is provided at the top of the No. 2 connector, and a tightening ring is fixedly connected to the lower end of the end nut and the upper end of the other end nut, and the tightening ring is arranged on the plastic fastening sleeve. Tighten the outside of the sleeve. When the end nut is close to the plastic fastening sleeve, the tightening ring is outside the plastic fastening sleeve, and its uniformly shrinking inner wall structure generates an inward squeezing force on the plastic fastening sleeve, locking the internal cable.

Preferably, a waterproof ring made of rubber is provided inside the tightening ring. The waterproof ring forms a dense waterproof and anti-seepage structure between the cable sheath and the tightening ring to prevent rainwater from entering the winding cavity when used outdoors.

Preferably, four sets of No. 1 limit pieces are symmetrically distributed on the top of the No. 1 connector, the No. 1 limit pieces are arranged on the upper side of the movable groove, and the lower end of the extrusion rod is fixedly connected to the No. 2 limit piece. Position piece, the No. 2 limit piece is arranged inside the No. 1 connector. The No. 1 limiter piece has a vertical limiter effect on the extrusion rod to prevent it from slipping out of the movable groove. The No. 2 limiter piece fits the inner wall of the No. 1 connector to prevent the extrusion rod from moving outward along the movable groove.

Preferably, a connecting seat is installed on the middle outside of the conductive member, and a separating ring is connected on the inside of the middle nut. The separating ring is disposed between the No. 1 connectors, and the connecting seat and the separating ring are connected to each other. There is a connecting frame fixedly connected between them. The separation ring separates the two sets of No. 1 connectors so that the two sets of connectors do not directly contact each other and reduce structural friction damage.

Preferably, an insulating ferrule is provided inside the surrounding collar, and the insulating ferrule is attached to the middle outer side of the conductive member. The surrounding collar is a metal ring with a certain deformation ability, and the insulating ferrule is located between the conductive component and the surrounding collar to prevent short circuits caused by contact between the conductive component and the surrounding collar.

The upper and lower ends of the conductive member are fixedly connected with anti-separation rings. The outer side of the conductive member is provided with an anti-slip pattern near one end of the anti-separation ring. The anti-separation ring is fastened to the anti-slip pattern. When the connection is in a locked state, the surrounding collar corresponds to the position of the anti-skid pattern, and the surrounding collar is set on the anti-skid pattern. The conductive metal wire of the cable is fixed on the conductive part by winding, and anti-slip patterns are used at its end position to increase the friction between the metal wire and the conductive part, and an anti-slip ring is used to prevent the metal wire from slipping off.

The invention discloses a method for quick docking of cable connectors. The steps are as follows:

Step One: Cables in Place

First, pass the two joints of the two cables that need to be connected through the end nuts, the two winding cavities, and out of the insulating ferrule surrounding the collar; the end nuts are screwed onto the plastic tightening sleeve. But do not tighten it, then peel off the connector outer sheath of the cables at both ends, pass the metal wire of the cable connector through the middle of the anti-separation ring, and wrap it around the anti-slip patterns on the outer ends of the conductive part, and then buckle the anti-separation ring to The anti-slip pattern of the conductive rod is surrounded by metal wires.

Step 2: Tighten the cable connector

After completing the first step, insert the conductive rods that have been wrapped with cable wires on both sides of the middle nut into the insulating ferrules surrounding the collar. By manually turning and tightening the winding cavity and the middle nut, both ends The winding cavity and the middle nut are tightly connected. As the middle nut is twisted and the part of the extrusion rod protruding outside the movable groove is squeezed, the surrounding collar is gradually pressed and locked, and the surrounding collar further squeezes the conductive rod. Metal wire on anti-slip pattern.

Step 3: Cable extrusion and fixation

After completing the second step, twist the end nuts at both ends and compress the plastic fastening sleeve inward. The cable inside the No. 2 connector is compressed by the plastic fastening sleeve.

(3) Beneficial effects

Compared with the prior art, the beneficial effects of the present invention are:

The cable joint docking device of the present invention adopts the method of winding and locking the cable and the conductive part to strengthen the connection strength between the two sets of cables and making it less likely to slip. Compared with the direct docking method of the cables, the conductive performance is better. During the joint connection process, the rod-shaped conductive part is gradually compressed and locked by the surrounding collar as the middle nut is twisted, stabilizing its working state and not easily deflecting when subjected to external vibration, so that the conductive part and the winding cavity are always connected. in coaxial state.

Description of drawings

Figure 1 is a schematic diagram of the assembly structure of a specific embodiment of the cable connector docking device of the present invention;

Figure 2 is a schematic structural diagram of the winding cavity of a specific embodiment of the cable connector docking device of the present invention;

Figure 3 is a schematic structural diagram of the surrounding collar of the cable connector docking device of the present invention;

Figure 4 is a schematic structural diagram of the middle nut of a specific embodiment of the cable joint docking device of the present invention;

Figure 5 is a schematic structural diagram of an end nut of a specific embodiment of the cable joint docking device of the present invention.

The markings in the attached picture are:

1. Winding cavity; 2. Connector No. 1; 3. Movable groove; 4. Surrounding collar; 5. Extrusion rod; 6. Middle nut; 7. Conductive parts; 8. Connector No. 2; 9. End. Nut; 10. Plastic fastening sleeve;

11. Tightening ring; 12. Waterproof ring; 13. No. 1 limit piece; 14. No. 2 limit piece; 15. Connecting seat; 16. Separating ring; 17. Connecting frame; 18. Insulating ferrule; 19. anti-falling ring;

20. Anti-skid pattern.

Detailed ways

This specific embodiment is used for a cable joint docking device. Its assembly structure is shown in Figure 1. The structure of the surrounding collar 4 is shown in Figure 2. The structure of the middle nut 6 is shown in Figure 3. The structure of the middle nut 6 is shown in Figure 3. The schematic diagram is shown in Figure 4, and the structural schematic diagram of the end nut 9 is shown in Figure 5. The cable joint device includes a winding chamber 1 arranged symmetrically up and down, a No. 1 fixedly connected to the upper end of the winding chamber 1 and the lower end of another winding chamber 1. Connector 2, the other end of the No. 1 connector 2 is provided with an intermediate nut 6 for threadingly connecting the two No. 1 connectors 2.

The No. 1 connector 2 is provided with four sets of movable grooves 3 in cross-symmetry at the top. The No. 1 connector 2 is provided with a surrounding collar 4 in the middle. An extrusion rod 5 is cross-connected to the outside of the surrounding collar 4. The extrusion rod 5 is slidingly connected to the movable groove 3. The extrusion rod 5 protrudes outside the movable groove 3, and the height of the part of the extrusion rod 5 protruding out of the movable groove 3 gradually increases from the end toward the center of the winding cavity 1. A conductive member 7 is vertically disposed in the middle of the middle nut 6 , and the conductive member 7 is disposed inside the surrounding collar 4 .

For this specific embodiment, the upper and lower sides of the inner wall of the middle nut 6 have threaded structures, which are respectively connected to the two sets of No. 1 connectors 2. There is a certain gap between the No. 1 connectors 2 through the separation ring 16 in the middle, and the tightening ring 11 The extrusion plastic fastening sleeve 10 locks the cable end, so that a cable has both extrusion fixation and winding fixation parts, making the connection more stable.

Among them, the lower end of the winding chamber 1 and the upper end of the other winding chamber 1 are fixedly connected with a No. 2 connector 8, an end nut 9 is threadedly connected to the outside of the No. 2 connector 8, and a plastic fastening sleeve 10 is provided at the top of the No. 2 connector 8. , the lower end of the end nut 9 and the upper end of the other end nut 9 are fixedly connected with a tightening ring 11, the tightening ring 11 is arranged outside the plastic fastening sleeve 10, and a rubber waterproof ring 12 is arranged inside the tightening ring 11.

Turn the end nut 9 by hand so that it moves vertically on the No. 2 connector 8, close to or away from the plastic fastening sleeve 10. When the end nut 9 is close to the plastic fastening sleeve 10, the tightening ring 11 is in the plastic state. On the outside of the fastening sleeve 10, its evenly shrinking inner wall structure produces an inward squeezing force on the plastic fastening sleeve 10, locking the internal cable, and the waterproof ring 12 forms a line between the cable outer sheath and the tightening ring 11 The dense waterproof and anti-seepage structure prevents rainwater from entering the winding cavity 1 when used outdoors.

At the same time, four sets of No. 1 limit pieces 13 are symmetrically distributed on the top of the No. 1 connector 2. The No. 1 limit pieces 13 are arranged on the upper side of the movable groove 3. The lower end of the extrusion rod 5 is fixedly connected to the No. 2 limit piece 14. The No. 2 limiting piece 14 is disposed inside the No. 1 connector 2 . The No. 1 limiter piece 13 has a vertical limiting effect on the extrusion rod 5 to prevent it from slipping out of the movable groove 3. The No. 2 limiter piece 14 fits the inner wall of the No. 1 connector 2 to prevent the extrusion rod 5 from moving along the Groove 3 moves outward.

Since the height of the part of the extrusion rod 5 protruding out of the movable groove 3 gradually increases from the end toward the center of the winding chamber 1, as the middle nut 6 is twisted, the extrusion rod 5 protrudes out of the movable groove 3. part, the surrounding collar 4 is gradually pressed and locked, and the surrounding collar 4 then squeezes the metal wire on the anti-slip pattern 20 of the conductive rod 7 .

In addition, a connecting seat 15 is installed on the middle outside of the conductive member 7, and a dividing ring 16 is connected on the inside of the middle nut 6. The dividing ring 16 is disposed between the No. 1 connectors 2, and the connecting seat 15 and the dividing ring 16 are fixedly connected. Rack 17. The separation ring 16 separates the upper and lower two groups of No. 1 connectors 2 so that the two groups of joints do not directly contact each other and reduce structural friction damage.

In addition, an insulating ferrule 18 is provided on the inner side of the surrounding collar 4. The insulating ferrule 18 is attached to the middle outer side of the conductive member 7. The upper and lower ends of the conductive member 7 are fixedly connected with anti-separation rings 19. The outer side of the conductive member 7 is close to the anti-separation ring. One end of 19 is provided with an anti-slip pattern 20 .

The surrounding ferrule 4 is a metal ring with a certain deformation ability. The insulating ferrule 18 is located between the conductive member 7 and the surrounding ferrule 4 to prevent the conductive member 7 from contacting the surrounding ferrule 4 and causing a short circuit. The conductive metal wire of the cable is wound around It is fixed on the conductive part 7, and the anti-slip pattern 20 is used at its end position to increase the friction between the metal wire and the conductive part 7, and the anti-slip ring 19 is used to fasten on the anti-skid pattern 20 to prevent the metal wire from slipping.

Based on the innovative design of the cable connector docking device of this application, the present invention provides a cable connector quick docking method, which specifically includes the following steps:

Step One: Cables in Place

Before the cable is fixed, the end nut 9 needs to be screwed on the plastic fastening sleeve 10, but do not tighten it. Just keep the end nut 9 from falling off and allow the cable joint to pass through.

First, pass the two joints of the two cables to be connected respectively through the end nut 9, the two winding cavities 1, and out of the insulating ferrule 18 in the surrounding collar 4.

Then peel off the connector outer sheaths of the cables at both ends, pass the metal wire of the cable connector through the middle of the anti-separation ring 19, and wrap it around the anti-slip patterns 20 at both ends of the conductive member 7. During the winding process of the metal wire The metal wire will have a certain adhesion on the conductive member 7. After the metal wire is wound around the conductive rod 7, the anti-separation ring 19 is buckled onto the anti-slip pattern 20 of the conductive rod 7 to surround the metal wire to prevent The effect of wire falling off.

Step 2: Tighten the cable connector

After completing the first step, insert the conductive rods 7 that have been wrapped with cable wires on both sides of the middle nut 6 into the insulating ferrule 18 surrounding the collar 4, and manually turn and tighten the winding chamber 1 and the middle nut. 6. The tight connection between the winding chamber 1 at both ends and the middle nut 6 can be realized. As the middle nut 6 is twisted and the part of the extrusion rod 5 protruding outside the movable groove 3 is squeezed, the surrounding collar 4 is gradually pressed. Tightly lock, surround the collar 4 and then squeeze the metal wire on the anti-slip pattern 20 of the conductive rod 7 to stabilize its working state and not easily deflect when subjected to external vibration, so that the conductive member 7 and the winding cavity 1 are always coaxial state.

At this step, it should be noted that the end nut 9 remains in its initial state, that is, the end nut 9 is screwed on the plastic fastening sleeve 10 in a semi-loose state, but do not tighten it. In this way, when the winding cavity 1 and the middle nut 6 are tightened, the cable will It can slide adaptively in the middle of the end nut 9.

Step 3: Cable extrusion and fixation

After completing the second step, twist the end nuts 9 at both ends. After completing the winding and fixing in the second step, compress the plastic fastening sleeve 10 inward, and the cable inside the No. 2 connector 8 will be plastically tightened. When the tightening sleeve 10 is tightened, the tightening ring 11 located at the bottom of the end nut 9 will slowly tighten and squeeze the cable to the middle to achieve the fixation of the cable and at the same time, the waterproof ring located in the tightening ring 11 12 can prevent rainwater from entering.

Claims (7)

1. Cable connector docking device, characterized by: The cable joint docking device includes a winding cavity (1) arranged symmetrically up and down, and a No. 1 connector (2) fixedly connected to the upper end of the winding cavity (1) and the lower end of the other winding cavity (1). An intermediate nut (6) for threading the two No. 1 connectors (2) is provided between the other ends of the No. 1 connector (2); The top of the No. 1 connector (2) is provided with four sets of movable slots (3) in cross-symmetry, and the No. 1 connector (2) is provided with A surrounding collar (4) is provided, and an extrusion rod (5) is cross-connected on the outside of the surrounding collar (4). The extrusion rod (5) is slidingly connected to the movable groove (3). The extrusion rod (5) ) protrudes outside the movable groove (3), and the part of the extrusion rod (5) protruding outside the movable groove (3) gradually increases in height from the end toward the center of the winding chamber (1), and the middle nut (6) A conductive member (7) is arranged vertically, and the conductive member (7) is disposed inside the surrounding collar (4); The lower end of the winding chamber (1) and the upper end of the other winding chamber (1) are provided with a No. 2 connector (8). The No. 2 connector (8) The outer thread is connected with an end nut (9). 2. The cable connector docking device according to claim 1, characterized in that, A plastic fastening sleeve (10) is provided at the top of the No. 2 connector (8), and a tightening ring (11) is fixedly connected to the lower end of the end nut (9) and the upper end of the other end nut (9). ), the tightening ring (11) is arranged outside the plastic fastening sleeve (10). 3. The cable connector docking device according to claim 2, characterized in that, A rubber waterproof ring (12) is provided inside the tightening ring (11). 4. The cable connector docking device according to claim 1, characterized in that: There are four sets of No. 1 limiting pieces (13) distributed symmetrically on the top of the No. 1 connector (2). The No. 1 limiting pieces (13) are arranged on the upper side of the movable groove (3). A No. 2 limiting piece (14) is fixedly connected to the lower end of the pressure rod (5), and the No. 2 limiting piece (14) is arranged inside the No. 1 connector (2). 5. The cable connector docking device according to claim 1, characterized in that, A connecting seat (15) is installed on the middle outer side of the conductive member (7), and a dividing ring (16) is connected on the inner side of the middle nut (6). The dividing ring (16) is arranged on the No. 1 connector ( 2), a connecting frame (17) is fixedly connected between the connecting seat (15) and the dividing ring (16). 6. The cable connector docking device according to claim 2, characterized in that: An insulating ferrule (18) is provided inside the surrounding ferrule (4), and the insulating ferrule (18) is attached to the middle outer side of the conductive member (7). 7. The cable connector docking device according to claim 6, characterized in that, The upper and lower ends of the conductive member (7) are fixedly connected with anti-separation rings (19), and the outside of the conductive member (7) is close to the anti-separation ring. (19) is provided with an anti-skid pattern (20) on one end, and the anti-separation ring (19) is fastened to the anti-skid pattern (20). When the middle nut (6) and the No. 1 connector (2) are in a threaded connection locking state, The position of the surrounding collar (4) corresponds to the anti-skid pattern (20), and the surrounding collar (4) is set on the anti-skid pattern (20).