CN207265250U - Primary cable connection of broken lines device - Google Patents

Abstract

The utility model relates to a low-voltage wire breakage connector, which solves the problem of wire breakage and reconnection. The low-voltage wire breakage connector includes a connector shell, an inner core, a pressing rod, and a clamp claw. There is a core hole, the inner core is movably set in the core hole, the connector shell is provided with a pressing mechanism for pressing the inner core, the pressing mechanism includes a pressure hole arranged on the connector shell, and a pressure hole is hinged in the pressure hole. After the pressure rod is pressed into the pressure hole, it is pressed on the inner core. The pressure rod is fixed on the connector housing through a latch, and the clamping claws are respectively arranged at both ends of the connector housing. The utility model is simple and easy to operate, small in size and easy to carry, and can replace the original complicated binding process for quick reconnection of broken wires, and is provided with multiple fixations such as buckles, wire clamping claws, and fixing screws to ensure that the broken wires are reconnected. The stability, the use of the disconnection connector can greatly reduce the repair time, and also reduce the work burden of the repair personnel.

Description

Low-voltage wire break connector

technical field

The utility model relates to a low-voltage wire disconnection connector, in particular to a triple-fixed low-voltage wire disconnection connector.

Background technique

At present, disconnection of low-voltage lines occurs frequently in daily operation and maintenance, and the main treatment method is to bind the disconnection. However, it is time-consuming and labor-intensive to perform disconnection binding, and has the instability of secondary disconnection, which greatly prolongs the power-off time. Moreover, the disconnection of low-voltage conductors is more frequent in bad weather, and the complicated operation of disconnection binding work greatly increases the repair burden of maintenance personnel.

Contents of the invention

The utility model mainly solves the time-consuming, labor-intensive and unstable problems of reconnecting the broken low-voltage wires in the prior art by using a binding method, and provides a triple-fixed low-voltage line emergency repair connector.

The above-mentioned technical problems of the utility model are mainly solved by the following technical solutions: a low-voltage wire disconnection connector, including a connector shell, an inner core, a pressing mechanism, and a clamping claw, and the inside of the connector shell along the length direction There is a core hole, the inner core is movably arranged in the core hole, and a pressing mechanism for pressing the inner core is arranged on the connector shell, and the pressing mechanism includes a pressing hole arranged on the connector shell, and in the pressing hole A pressure rod is hinged. The pressure rod is pressed into the pressure hole and then pressed tightly on the inner core. The pressure rod is fixed in the pressure hole through buckles, and the clamping claws are respectively arranged at both ends of the connector shell. The utility model compresses the inner core through the pressure rod, and the clamping surface is formed between the inner core and the core hole to clamp the wire. The reconnected wires cooperate with the clamp claws at both ends of the connector shell to form a triple fixation of the wires, which not only saves the time for reconnecting the disconnected wires, but also ensures the stability of the disconnected wires and reduces the risk of reconnecting the disconnected wires. Burden of emergency repairs.

As a preferred solution, the pressure hole is arranged along the length direction of the connector shell and is located on the upper part of the inner core, one end of the pressure rod is hinged in one end of the pressure hole, and there are slots on both sides of the other end of the pressure hole. The other end of the pressure rod is provided with a corresponding card cap, the connector housing at the other end of the pressure hole is provided with a cover, the cover is hinged on one side of the connector housing, and two A screw hole, a fixing hole corresponding to the screw hole is provided on the edge of the cover, the screw hole and the fixing hole are fixed by bolts when the cover is under the cover, the cover is provided with a fixing screw hole, and the inner thread of the fixing screw hole is connected with Fix the screw, and the fixing bolt is supported on the pressure bar. In this scheme, the use of the cover can make the fixing screw better withstand the pressure rod, and the card slots at both ends of the pressure hole can make the card cap move along the direction perpendicular to the pressure hole, and cooperate with the fixing screw to make the pressure rod press the inner core more tightly. , so as to ensure that the clamping hole formed by the inner core on the inner wall of the core hole is close to the wire to ensure the stability of the wire after reconnection.

As a preferred solution, the clamping claw includes a grasping part of the clamping claw and a locking cover, and the grasping parts are respectively arranged at both ends of the connector shell, and the locking cover is set on the grasping part, and is locked and connected to the grasping part through a screw thread. department. The locking cover can tighten the front end of the grasping part, clamp the wire, cooperate with the fixing screw and the buckle of the pressing bar to form a triple fixation, and better fix the broken wire of reconnection.

As a preferred solution, several notches are uniformly arranged on the front end wall of the grasping part, and the notches divide the front end of the grasping part into several claw bodies. Multiple claws are tightened to form a round hole, which is close to the wire and has a greater grip on the wire.

As a preferred solution, external threads are provided on the outer wall of the gripping part, and the locking cap has a first port whose diameter is consistent with the outer diameter of the gripping part and a second port whose diameter is consistent with the outer diameter of the wire. The design of the first port can make the locking cover more suitable for the grasping part, and the second port is consistent with the outer diameter of the wire to preliminarily fix the wire.

As a preferred solution, the surface of the claw body of the clamping claw is inclined inward, the head of the claw body shrinks into a tip, and the inner wall of the first port of the locking cover is provided with a slope that matches the tip, and the tip It extends into the gap formed by the slope and the surface of the wire. The tip design of the claw body can make the claw body shrink more tightly when the locking cover is tightened, and the clamping claw has a greater grip force, ensuring the stability of reconnection after disconnection. The slope set on the inner wall of the first port of the locking cover, During the tightening process of the locking cap through the thread, the tip of the claw body of the grasping part is continuously tightened, so that the tightening force on the wire is more uniform, and the wire will not be damaged.

As a preferred solution, the inner core is provided with a first clamping surface, and the inner wall of the core hole is provided with a second clamping surface corresponding to the first clamping surface, and the gap between the first clamping surface and the second clamping surface is A wire clamping hole for clamping the wire is formed, and the core hole includes a rectangular portion with a rectangular axial section and a circular arc portion with a circular arc in the axial section, and the circular arc portion is connected to one side of the rectangular portion Connected, the second clamping surface is the arc wall surface of the arc portion, the inner core body is provided with an arc-shaped inner concave portion facing the arc portion, and the first clamping surface is the concave surface of the inner concave portion , serrations are provided on the concave surface of the inner recess, and serrations are provided on the wall surface of the arc portion. The arc-shaped design enables the first clamping surface and the second clamping surface to better fit the wires, and the serrated teeth increase the friction between the clamping surface and the wires, so that the connector can better fasten the wires.

As a preferred solution, a movable guide structure is provided between the connector shell and the inner core, including a guide groove opened on the connector shell, and a guide column is provided on the inner core, and the guide column is arranged on the guide In the groove, the guide column is a screw, and the inner core is provided with a screw hole, and the screw thread is fastened in the screw hole. The design of the guide groove and the guide column enables the inner core to be fixed more accurately under the drive of the pressure rod. wire.

Therefore, the utility model has the advantages of being simple and easy to operate, small in size and easy to carry, and high in cost performance. Multiple fixings such as screws ensure the stability after disconnection and reconnection. The use of the disconnection connector can greatly reduce the time for emergency repairs, and also reduce the workload of emergency repair personnel.

Description of drawings

Accompanying drawing 1 is a kind of main view structure schematic diagram of the medium and low voltage wire disconnection connector of the present invention;

Accompanying drawing 2 is a kind of side view structure schematic diagram of the middle and low voltage wire disconnection connector of the utility model;

Accompanying drawing 3 is a kind of side view structural representation of inner core in the utility model;

Accompanying drawing 4 is a kind of front view structure schematic diagram of the pressure bar of the utility model;

Accompanying drawing 5 is a kind of top view structure schematic diagram of the pressure bar of the utility model;

Accompanying drawing 6 is a kind of main view structure diagram of inner core in the utility model;

Accompanying drawing 7 is a kind of front structural schematic diagram of the core hole of the utility model;

Accompanying drawing 8 is a kind of sectional structure schematic diagram of clamping claw in the utility model;

Accompanying drawing 9 is a kind of structural enlarged schematic diagram of place B in accompanying drawing 8;

Accompanying drawing 10 is a kind of structural enlarged schematic diagram of place A in accompanying drawing 8.

1-Connector housing 2-Gripping part 3-Lock cover 4-First port 5-Second port

6-Arc wall serrations 7-Claw body 8-Concave serrations in the inner recess 9-Clamping mechanism

10-bevel 11-tip 12-guide groove 13-pressure rod 14-screw hole 15-cover

16-Fixing screw hole 17-First clamping surface 18-Second clamping surface 19-Clamp claw

20-inner core 21-core hole 22-set screw 23-card slot 24-card cap 25-press hole.

Detailed ways

The technical solutions of the present invention will be further specifically described below through the embodiments and in conjunction with the accompanying drawings.

Example:

The low-voltage line emergency repair connector of this embodiment, as shown in Figure 1 and Figure 2, is provided with clamping claws 19 at both ends of the connector housing 1 respectively, and the clamping claws are composed of a grasping part 2 and a locking cover 3, and the grasping part and The two ends of the connector shell are connected to the ports, and the locking cover is set on the gripping part. The surface of the claw body 7 in the front part of the grasping part is inclined inward, the head of the claw body shrinks to a tip 11, an external thread is provided on the outer wall of the grasping part, and the locking cover is provided with a first port 4 whose diameter is consistent with the outer diameter of the grasping part. And a second port 5 whose diameter is consistent with the outer diameter of the wire, an internal thread is provided in the first port, the first port of the well lock cover is connected with the grasping part by threads, and the inner wall of the first port is provided with a slope 10 matched with the tip , the tip extends into the gap formed by the inclined surface and the surface of the wire, when the locking cover is locked by the thread, the tip of the grasping part shrinks and the wire is stuck.

The connector shell is provided with a core hole 21, an inner core 20, and a pressure hole 25 along the length direction of the connector shell. The inner core is placed in the core hole, and the pressure hole is above the core hole. Moving in the core hole, the inner core is provided with a first clamping surface 17, and the inner wall of the core hole is provided with a second clamping surface 18 corresponding to the first clamping surface, and there is formed between the first clamping surface and the second clamping surface. The wire clamping hole for clamping the wire, the core hole includes a rectangular part with a rectangular axial cross section and a circular arc part with a circular arc in the axial cross section, the circular arc part is connected to one side of the rectangular part, and the second clamp The tight surface is the arc wall surface of the arc portion, and the inner core body is provided with an arc-shaped inner concave portion facing the arc portion, the first clamping surface is the concave surface of the inner concave portion, the concave surface of the inner concave portion has 8 serrations, and the wall surface of the arc portion is serrated 6 can increase the friction between the wire and the wire. The pressing mechanism 9 is that one end of the connector shell is hinged with a pressure rod 13 in the pressure hole, and the other end of the pressure rod can be fixed in the pressure hole through a buckle. When the pressure rod is pressed down, , can drive the inner core to compress the wire. At one end of the buckle, a cover 15 is hinged on the connector housing, and a screw hole 14 is provided on the outer edge of the cover, and two corresponding screw holes are provided on the other side of the connector housing, and the cover can be fixed by bolts when the cover is closed , There are two fixing screw holes 16 on the cover, and the fixing screws 22 can withstand the pressure bar through the fixing screw holes so as to better fix the wire.

The slot 23 provided at one end of the buckle in the pressure hole cooperates with the cap 24 on the pressure rod to form a movable buckle, so that the pressure rod can continue to be pressed down to fix the wire when the set screw is tightened.

When the low-voltage line is disconnected, insert the ends of the two disconnected wires into the core hole from the second port of the clamping claw locking cover at both ends of the connector shell, and then press the lever to drive the inner core in the core hole. The internal movement makes the first clamping surface move to the second clamping surface. After the pressure rod is fixed in the pressure hole through the buckle, the fixing screw continues to be tightened to withstand the pressure rod, and finally the first clamping surface and the second clamping surface cooperate. Clamp the wire inserted into it. In order to make the connection of the two sections of wires more reliable, the ends of the disconnected parts of the two sections of wires can be folded and spirally wound on the wires, and then inserted into the core hole. In this way, the serrations on the first clamping surface can be made Engages with the wire helical wrap.

Claims (10)

1. A kind of 1. primary cable connection of broken lines device, it is characterised in that：Including connector shell（1）, inner core（20）, hold-down mechanism （9）, card line pawl（19）, core bore is equipped with along its length in the connector shell（21）, the inner core is movably arranged on core bore Interior, hold-down mechanism includes the pressure hole being arranged on connector shell（25）, compression bar is hinged with pressure hole（13）, compression bar press-in pressure It is pressed on behind hole on inner core, compression bar is fixed in pressure hole by snap device, and the card line pawl is separately positioned on connector shell Both ends.
2. A kind of 2. primary cable connection of broken lines device according to claim 1, it is characterised in that：The pressure hole is along outside connector Shell length direction is set, and positioned on the top of inner core, described compression bar one end is hinged in pressure hole one end, and snap device includes setting Put the card slot on two inner side of pressure hole one end（23）, corresponding card cap is provided with the side of compression bar front end（24）.
3. A kind of 3. primary cable connection of broken lines device according to claim 1, it is characterised in that：Press the connector of the hole other end Shell is equipped with lid（15）, cover hinge is on connector shell side, in the another of the opposite cover hinge of connector shell Side is equipped with two screw holes（14）, mounting hole corresponding with screw hole is provided with lid edge, when under lid lid screw hole and Mounting hole is fixed by bolt, and lid is equipped with fixed screw holes（16）, the fixed screw holes internal thread is connected with solid Determine screw（22）, fixing bolt withstood on compression bar.
4. A kind of 4. primary cable connection of broken lines device according to claim 1, it is characterised in that：The card line pawl is included promptly Portion（2）, locking lid（3）, grip portions are separately positioned on connector shell both ends, and locking lid is sleeved in grip portions, by screw thread side Formula locking is connected in grip portions.
5. A kind of 5. primary cable connection of broken lines device according to claim 4, it is characterised in that：In the grip portions front bulkhead On be evenly arranged with several groovings, grip portions front end is divided into several corpus unguis by grooving（7）.
6. A kind of 6. primary cable connection of broken lines device according to claim 5, it is characterised in that：On the grip portions outer wall External screw thread is provided with, the locking lid has the diameter first port consistent with grip portions outside diameter（4）With a diameter The second port consistent with wire diameter（5）, first port diameter is more than second port diameter, first port and second port it Between be connected by inclined-plane.
7. A kind of 7. primary cable connection of broken lines device according to claim 6, it is characterised in that：The card line pawl corpus unguis surface Slope inwardly, the head of corpus unguis is punctured into tip（11）, it is provided with the inner wall of the locking lid first port and is harmonious with tip Inclined-plane（10）, the tip is extend into the gap that inclined-plane is formed with conductive line surfaces.
8. A kind of 8. primary cable connection of broken lines device according to claim 1, it is characterised in that：The inner core is equipped with the first folder Tight face（17）, the first clamping of core bore inner wall correspondence face is equipped with second and clamps face（18）, described first clamps face clamps face with second Between formed with by the conductor grip tieholen of conductor clamping, the core bore includes the rectangular rectangular portion of axial cross section and axial cross section The arc sections being arc-shaped, the arc sections connect with a side of rectangular portion, and the second clamping face is arc sections arc wall, The inner core body is equipped with the inner fovea part for being arc-shaped indent towards arc sections side, and the first clamping face is inner fovea part concave surface, The inner fovea part concave surface is equipped with sawtooth（8）, the arc sections wall is equipped with sawtooth（6）.
9. A kind of 9. primary cable connection of broken lines device according to claim 1, it is characterised in that：The connector shell with it is interior Activity-oriented structure, including the guide groove being opened on connector shell are equipped between core（12）, the inner core, which is equipped with, to be oriented to Column, the lead are arranged in guide groove.
10. A kind of 10. primary cable connection of broken lines device according to claim 9, it is characterised in that：The lead is screw, The inner core is equipped with screw hole, and the screw thread is fastened in screw hole.