Winding positioning structure of current terminal

Abstract

The utility model discloses a winding positioning structure of a current terminal, which comprises a terminal main body and a conducting strip arranged on the terminal main body, one end of the conducting strip is provided with a winding assembly connected with an electric wire, and the other end of the conducting strip is provided with a driving piece connected with the winding assembly; the winding assembly comprises a containing cavity arranged on the conducting strip in a protruding mode, an elastic winding rod arranged in the containing cavity and capable of moving and a clamping groove formed in the elastic winding rod, and the driving piece is connected with the end, away from the clamping groove, of the elastic winding rod so that the driving piece can drive the elastic winding rod to wind the electric wire. When the conducting strip is in contact with a wire bundle after wire stripping, the wire bundle can be placed beside the elastic winding rod, and then the elastic winding rod is driven to rotate and the wire bundle is wound by twisting the driving piece, so that stable connection between the conducting strip and the wire bundle is ensured, and meanwhile, the wire bundle is prevented from being damaged. And when a traditional extrusion type conducting strip is in contact with the wire bundle, if the extrusion force for extruding the conducting strip is too large and the wire is thin, the breakage of the wire caused by the extrusion of the side edge of the conducting strip can be effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field technology of current terminal, especially point to a winding positioning structure of current terminal. BACKGROUND

[0002] The current terminal is a special terminal used for connecting the current transformer to the instrument or relay in the electronic force system. Its main feature is convenient testing, which can disconnect and connect the circuit without disassembling the wire, thereby improving the convenience and safety of testing.

[0003] The current terminal is usually used for current measurement and monitoring in the power system. Through the connection with the current transformer, the current signal can be transmitted to the instrument or control system for analysis and processing.

[0004] When the current terminal used is a primary current terminal, the user squeezes and clamps the electric wire bundle by twisting the screw to make the conductive sheet in the primary current terminal, but the electric wire bundle has thick and thin wires. When the conductive sheet squeezes the thin wire, if the squeezing force is too large, it is easy to cause the wire to break. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model provides a winding positioning structure of current terminal, which solves the problem that when the primary current terminal is used, the user squeezes and clamps the electric wire bundle by twisting the screw to make the conductive sheet in the primary current terminal, but the electric wire bundle has thick and thin wires. When the conductive sheet squeezes the thin wire, if the squeezing force is too large, it is easy to cause the wire to break.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme: a winding positioning structure of current terminal, including the terminal main body and the conductive sheet provided on the terminal main body, the conductive sheet is provided with a winding assembly connected with the wire at one end, and the other end is provided with a driving piece connected with the winding assembly; the winding assembly includes a receiving cavity protruding from the conductive sheet and a movable elastic winding rod in the receiving cavity, and a clamping groove is arranged on the elastic winding rod. The driving piece is connected with the end of the elastic winding rod away from the clamping groove, so that the driving piece can drive the elastic winding rod to wrap the wire.

[0007] Further, the elastic winding rod includes a torsional spring provided on the rod body and wound on the rod body, the torsional spring is away from the end of the rod body away from the clamping groove, and the torsional spring is connected with the inner wall of the receiving cavity at one end and connected with the rod body at the other end.

[0008] Further, the end of the rod body away from the clamping groove is provided with a driving groove matched with the driving piece, so that the driving piece drives the rod body to move by extruding the inner wall of the driving groove.

[0009] Further, the card slot comprises a first part arranged on the end face of the rod body and a second part arranged on the side wall of the rod body, the first part and the second part are communicated, so that the wire is wound around the rod body when the rod body rotates.

[0010] Further, the accommodating cavity comprises a through hole penetrating the conductive sheet, the rod body and the driving member are respectively inserted into two ends of the through hole, and the side wall of the through hole is provided with an expansion slot for accommodating the torsion spring.

[0011] Further, the inner wall of the through hole is provided with a screw thread, and the driving member is screwed with the screw thread.

[0012] Further, the side wall of the through hole is provided with a guide slot, and the rod body is slidingly connected with the guide slot through a sliding rod.

[0013] Further, the guide slot comprises a transverse slot and a first longitudinal slot and a second longitudinal slot respectively communicated with two ends of the transverse slot, and the first longitudinal slot and the second longitudinal slot are opened towards the driving member.

[0014] Compared with the prior art, the utility model has obvious advantages and beneficial effects, specifically speaking, according to the above technical scheme, after the conductive sheet contacts the wire bundle after stripping, the wire bundle can be placed beside the elastic winding rod, then the elastic winding rod is rotated by twisting the driving member and the wire bundle is wound, so that the stable connection of the conductive sheet and the wire bundle is ensured, and the traditional extrusion type conductive sheet and the wire bundle are contacted, if the extrusion force of the extrusion conductive sheet is too large, and the wire is thin, the side edge of the conductive sheet is extruded to cause the rupture of the wire.

[0015] To make the structure characteristics and functions of the utility model clearer, the utility model will be described in detail below in combination with the drawings and specific embodiments. DRAWINGS

[0016] Figure 1 It is the stereoscopic display diagram of embodiment 1 of the utility model.

[0017] Figure 2 It is the sectional view of the conductive sheet of embodiment 1 of the utility model.

[0018] Figure 3 It is the first form display diagram of the accommodating cavity of embodiment 1 of the utility model.

[0019] Figure 4 It is the stereoscopic display diagram of the driving member and the rod body of embodiment 1 of the utility model.

[0020] Figure 5 It is the second form display diagram of the accommodating cavity of embodiment 1 of the utility model.

[0021] Figure 6It is the guide groove display drawing of embodiment 1 of the utility model.

[0022] The drawing mark explanation is as follows:

[0023] 10 terminal main body;

[0024] 20 conductive sheet;

[0025] 30 winding part, 31 accommodating cavity, 311 through hole, 312 expansion slot, 313 screw thread, 314 guide groove, 3141 transverse slot, 3142 first longitudinal slot, 3143 second longitudinal slot, 315 sliding rod, 32 elastic winding rod, 321 rod body, 322 torsional spring, 323 driving slot, 33 clamping slot, 331 first part, 332 second part.

[0026] 40 driving part. Specific implementation

[0027] Please refer to Figures 1-6 It shows the specific structure of the preferred first embodiment of the utility model, and it is a winding positioning structure of current terminal, which comprises a terminal main body 10 and a conductive sheet 20 arranged on the terminal main body 10, the conductive sheet 20 is provided with a winding assembly 30 connected with the wire, and the other end is provided with a driving part 40 connected with the winding assembly 30; the winding assembly 30 comprises an accommodating cavity 31 protruding from the conductive sheet 20 and an elastic winding rod 32 movably arranged in the accommodating cavity 31, and a clamping slot 33 arranged on the elastic winding rod 32, the driving part 40 is connected with the end of the elastic winding rod 32 away from the clamping slot 33, so that the driving part 40 can drive the elastic winding rod 32 to wrap the wire. When the conductive sheet 20 contacts the stripped wire bundle, the wire bundle can be placed beside the elastic winding rod 32, and then the elastic winding rod 32 is rotated by twisting the driving part 40 and wrapping the wire bundle, so as to ensure the stable connection of the conductive sheet 20 and the wire bundle, and effectively avoid the breakage of the wire caused by the extrusion of the side edge of the conductive sheet 20 when the traditional extrusion type conductive sheet 20 contacts the wire bundle.

[0028] As Figure 2As shown in the figure, the elastic winding rod 32 includes a torsion spring 322 arranged on the rod body 321 and wound on the rod body 321. The torsion spring 322 is away from the end of the rod body 321 where the clamping groove 33 is arranged. One end of the torsion spring 322 is connected with the inner wall of the accommodating cavity 31, and the other end is connected with the rod body 321. The elastic winding rod 32 is divided into the rod body 321 and the torsion spring 322, and the torsion spring 322 is sleeved with the rod body 321. The rod body 321 can extend out of the accommodating cavity 31 and contact the wire bundle under the extrusion of the driving member 40. The rod body 321 can also rotate to wind the wire bundle under the torsion of the driving member 40. The rod body 321 can be reset by the torsion spring 322 under the lack of external force extrusion when the wire bundle is maintained or replaced, so as to facilitate the operator to replace the new wire bundle.

[0029] As shown in the figure, Figure 4 As shown in the figure, the rod body 321 is provided with a driving groove 323 at the end away from the clamping groove 33, which is matched with the driving member 40. The driving member 40 drives the rod body 321 to move by extruding the inner wall of the driving groove 323. In order to facilitate the driving member 40 to drive the rod body 321 to rotate, the driving groove 323 is arranged on the opposite end surface of the rod body 321 and the driving member 40. When the driving member 40 is a hexagonal screw, the driving groove 323 can be a hexagonal groove, and the driving member 40 is inserted into the driving groove 323, so that the operator can rotate the rod body 321 by using a screwdriver to twist the hexagonal screw.

[0030] It should be noted that the hexagonal of the hexagonal screw refers to the hexagonal type of the stud.

[0031] As shown in the figure, Figure 4 As shown in the figure, the clamping groove 33 includes a first part 331 arranged on the end surface of the rod body 321 and a second part 332 arranged on the side wall of the rod body 321. The first part 331 and the second part 332 are connected in communication, so that the wire enters the second part 332 to wind the rod body 321 when the rod body 321 rotates.

[0032] The accommodating cavity 31 includes a through hole 311 penetrating the conductive sheet 20. The rod body 321 and the driving member 40 are respectively inserted into the two ends of the through hole 311. The side wall of the through hole 311 is provided with an expansion groove 312 for accommodating the torsion spring 322.

[0033] As shown in the figure, Figure 5 In one embodiment, the inner wall of the through hole 311 is provided with a thread 313, and the driving member 40 is screwed with the thread 313. When the side wall of the through hole 311 is provided with the thread 313, the driving member 40 is screwed with the thread 313 through the thread groove arranged thereon when the current terminal positions the wire bundle. The position of the rod body 321 is fixed, and the stability of the wire bundle wound on the rod body 321 is ensured.

[0034] AsFigure 6 As shown in another embodiment, the side wall of the through hole 311 is provided with a guide slot 314, and the rod body 321 is slidably connected with the guide slot 314 through a sliding rod 315.

[0035] The guide slot 314 comprises a transverse slot 3141 and a first longitudinal slot 3142 and a second longitudinal slot 3143 connected with both ends of the transverse slot 3141 respectively, and the first longitudinal slot 3142 and the second longitudinal slot 3143 are opened towards the driving member 40. Through the opening of the guide slot 314 and the elastic restoring force of the torsion spring 322, the sliding rod 315 connected with the guide slot 314 will be located in the first longitudinal slot 3142 or the second longitudinal slot 3143 when lacking extrusion.

[0036] Specifically, when the rod body 321 does not wind the wire bundle, the sliding rod 315 connected with the rod body 321 is located behind the first longitudinal slot 3142, when the rod body 321 needs to rotate to wind the wire bundle, the operator takes the driving member 40 and inserts it into the through hole 311 to extrude the rod body 321, so that one end of the rod body 321 provided with the clamping groove 33 protrudes from the through hole 311 and is connected with the wire bundle, then the driving member 40 is inserted into the driving slot 323 on the rod body 321, so that when the driving member 40 rotates, the rod body 321 rotates and winds the wire bundle, in this process, the sliding rod 315 moves into the transverse slot 3141 from the first longitudinal slot 3142, and then moves to the position where the transverse slot 3141 is connected with the second longitudinal slot 3143 and stops, at this time, the operator does not apply longitudinal extrusion force to the driving member 40, the rod body 321 will be popped up under the longitudinal elastic restoring force of the torsion spring 322, so that the sliding rod 315 is inserted into the second longitudinal slot 3143, then the operator releases the driving member 40, and the torsion spring 322 will generate a torsion restoring force and drive the sliding rod 315 to extrude the inner wall of the second longitudinal slot 3143, so as to limit the rod body 321.

[0037] The above is only a preferred embodiment of the present application, and does not limit the technical scope of the present application, so any slight modification, equivalent change and modification made according to the technical essence of the present application are still within the scope of the technical solution of the present application.

Claims

1. A winding positioning structure for a current terminal, comprising a terminal body (10) and a conductive sheet (20) disposed on the terminal body (10), characterized in that: One end of the conductive sheet (20) is provided with a winding assembly (30) for connecting wires, and the other end is provided with a driving member (40) for connecting the winding assembly (30). The winding assembly (30) includes a receiving cavity (31) protruding from the conductive sheet (20) and an elastic winding rod (32) movable in the receiving cavity (31), and a slot (33) on the elastic winding rod (32). The driving member (40) is connected to the end of the elastic winding rod (32) away from the slot (33) so that the driving member (40) can drive the elastic winding rod (32) to wind the wires.

2. The winding positioning structure for a current terminal according to claim 1, characterized in that: The elastic winding rod (32) includes a torsion spring (322) provided on the rod body (321) and wound on the rod body (321). The torsion spring (322) has a slot (33) at one end away from the rod body (321), and one end of the torsion spring (322) is connected to the inner wall of the receiving cavity (31), and the other end is connected to the rod body (321).

3. The winding positioning structure for a current terminal according to claim 2, characterized in that: The rod (321) has a drive groove (323) at one end away from the slot (33) that is adapted to the drive member (40), so that the drive member (40) drives the rod (321) to move by pressing against the inner wall of the drive groove (323).

4. The winding positioning structure for a current terminal according to claim 2, characterized in that: The slot (33) includes a first part (331) on the end face of the rod (321) and a second part (332) on the side wall of the rod (321). The first part (331) and the second part (332) are connected so that when the rod (321) rotates, the wire enters the second part (332) in the first part (331) to wind around the rod (321).

5. The winding positioning structure for a current terminal according to claim 2, characterized in that: The accommodating cavity (31) includes a through hole (311) through the conductive sheet (20), the rod (321) and the driving member (40) are respectively inserted into the two ends of the through hole (311), and the side wall of the through hole (311) is provided with an expansion groove (312) for receiving the torsion spring (322).

6. The winding positioning structure for a current terminal according to claim 5, characterized in that: The inner wall of the through hole (311) is provided with a thread (313), and the drive member (40) is screwed into the thread (313).

7. The winding positioning structure for a current terminal according to claim 5, characterized in that: The through hole (311) has a guide groove (314) on its side wall, and the rod (321) is slidably connected to the guide groove (314) through a slide rod (315).

8. The winding positioning structure for a current terminal according to claim 7, characterized in that: The guide groove (314) includes a transverse groove (3141) and a first longitudinal groove (3142) and a second longitudinal groove (3143) that are respectively connected to both ends of the transverse groove (3141). The first longitudinal groove (3142) and the second longitudinal groove (3143) are opened toward the drive member (40).

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