Butterfly-shaped jointing clamp

Abstract

The utility model discloses a butterfly-shaped jointing clamp which comprises a jointing clamp body and a wiring assembly, the wiring assembly comprises a pressing plate, the jointing clamp body is provided with a wire hanging plate, the pressing plate can be driven to be close to or far away from the wire hanging plate, and the pressing plate has elastic force. A clamping part used for clamping an electric wire is formed between the wire hanging plate and the pressing plate, and the elastic force direction of the pressing plate points to the center of the clamping part; according to the butterfly-shaped jointing clamp provided by the utility model, the pressing plate is driven to enable a wire to be pressed between the pressing plate and the wire hanging plate, the operation is simple, the adjustment is convenient, and the clamping and fixing mode enables the wire clamp to be suitable for different wire diameters; the elastic force of the pressing plate can effectively compensate stress deformation and stress relaxation when the wire is clamped, and firm and reliable connection is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric power equipment and relates to a butterfly-shaped wiring clamp. Background Art

[0002] Wire clamps are a common tool used for the connection or branch connection of 10KV and below distribution line conductors. Traditional connection hardware wire clamps include JB parallel groove wire clamps, JXD wire clamps, C-type wire clamps, J-type wire clamps, etc. In the conventional line construction process, the aforementioned types of wire clamps need to be tightened with different tools when in use, which is complicated to operate; and the existing wire clamps are clamped by two clips, which will cause stress deformation and stress relaxation after long-term use; due to the limited application range of existing wire clamps, wires with different cross-sectional areas need to be equipped with wire clamp products of different specifications; various reasons lead to the cumbersome selection of existing wire clamps, complex operation, insufficient versatility, and poor interchangeability.

[0003] In order to solve the above problems, a wire clamp is needed which does not require tools for installation and use and has a wide range of applications. Utility Model Content

[0004] In view of this, the utility model provides a butterfly-shaped terminal clamp, which drives the pressure plate to press the wire between the pressure plate and the wire hanging plate. The operation is simple and the adjustment is convenient. The clamping and fixing method makes the wire clamp of the utility model suitable for wires of different diameters. The pressure plate has an elastic force, which can effectively compensate for the stress deformation and stress relaxation when clamping the wire, thereby ensuring a firm and reliable connection.

[0005] The utility model discloses a butterfly-shaped terminal clamp, comprising a terminal clamp body and a terminal assembly, wherein the terminal assembly comprises a pressing plate, and the terminal clamp body is provided with a wire hanging plate, the pressing plate can be driven to approach or move away from the wire hanging plate, the pressing plate itself has elastic force, a clamping portion for clamping an electric wire is formed between the wire hanging plate and the pressing plate, and the elastic force of the pressing plate is directed toward the center of the clamping portion.

[0006] Furthermore, the wiring assembly also includes an operating rod for driving the pressure plate to move closer to or away from the wire hanging board. The operating rod is installed on the wiring clamp body in a manner that it can be driven to move along its own axis. The pressure plate is installed on the top of the operating rod and is located below the wire hanging board.

[0007] Furthermore, the pressing plate includes an upper plate body and a lower plate body that are integrally formed, and the upper plate body and the lower plate body are arranged at an angle so that the pressing plate as a whole presents a "C"-shaped structure.

[0008] Furthermore, a support plate is provided at the bottom end of the wiring clamp body, and a mounting hole is provided on the support plate. A connecting column head is provided on the top of the operating rod, and the connecting column head passes through the mounting hole and the lower plate body in sequence and is then plugged into the upper plate body.

[0009] Furthermore, the top surface of the upper plate body is recessed downward to form a lower supporting surface with an arc structure, and the bottom surface of the hanging wire plate is recessed upward to form an upper supporting surface with an arc structure, and both the lower supporting surface and the upper supporting surface are provided with tooth-shaped protrusions.

[0010] Furthermore, the periphery of the wire hanging plate extends outward to form a guide flange with a curved structure.

[0011] Furthermore, the wire hanging plate is integrally formed and arranged on the top of the wiring clamp body, the support plate is integrally formed and arranged on the bottom of the wiring clamp body, and the wire hanging plate and the support plate are located on the same side of the wiring clamp body.

[0012] Furthermore, a limiting ring is sleeved on the middle part of the connecting column head, and the limiting ring limits the lower plate body to the connecting column head in the axial direction of the operating rod.

[0013] Furthermore, the surface of the operating rod is provided with an external thread, the mounting hole is provided with an internal thread, the operating rod is mounted on the support plate by threaded fitting, and the bottom of the operating rod is provided with an operating ring for holding.

[0014] Furthermore, it also includes an elastic member, which is sleeved on the connecting column head and located between the lower plate body and the operating rod.

[0015] Beneficial effects of the utility model:

[0016] The utility model discloses a butterfly-shaped wiring clamp, which drives a pressure plate so that the wire is pressed between the pressure plate and a wire hanging plate. The operation is simple and the adjustment is convenient. The clamping and fixing method makes the wire clamp of the utility model applicable to wires with different diameters. The pressure plate has an elastic force, which can effectively compensate for stress deformation and stress relaxation when clamping the wire, thereby ensuring a firm and reliable connection.

[0017] The pressure plate is in a "C" shape as a whole, which makes the pressure plate itself have excellent elastic properties and can effectively compensate for stress deformation and stress relaxation when clamping the wire; the hanging plate and the support plate are located on the same side of the wiring clamp body, so that the wire clamp body is in a "C" shape as a whole, which also has a certain elastic force, effectively overcoming the stress relaxation caused by thermal expansion and contraction of the wire clamp and creep of the wire; the setting of the elastic member can effectively avoid the situation where the wire is not compressed due to improper installation, and prevent the safe operation of the power grid from being affected by poor contact between the wire and the wire clamp; the setting of the guide flange is more conducive to the hanging and installation of the utility model; the upper supporting surface and the lower supporting surface are both provided with tooth-like protrusions, which can effectively pierce the oxide layer on the surface of the wire, and better ensure the reliable contact between the wire clamp and the wire. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the shaft side structure of the utility model;

[0019] Figure 2 It is the front view of the utility model;

[0020] Figure 3 It is a top view of the utility model;

[0021] Figure 4 for Figure 3 A partial enlarged view of the AA in the middle;

[0022] Figure 5 It is a schematic diagram of the axial structure of the wire clamp body;

[0023] Figure 6 It is the front view of the wire clamp body;

[0024] Figure 7 Schematic diagram of the axial structure of the pressing block

[0025] Figure 8 It is the main cross-sectional view of the pressing block;

[0026] Fig. 9 is a structural schematic diagram of the operating lever;

[0027] Fig.10 It is a left view of the utility model. DETAILED DESCRIPTION

[0028] It should be noted that, in the description of this specification, the terms "upper", "lower", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0029] As shown in the figure, the utility model discloses a butterfly-shaped terminal clamp, including a terminal clamp body 1 and a terminal assembly, wherein the terminal assembly includes a pressure plate 2, wherein the terminal clamp body 1 is provided with a wire hanging plate 4, wherein the pressure plate 2 can be driven close to or away from the wire hanging plate 4, wherein the pressure plate 2 itself has elastic force, wherein a clamping portion for clamping the wire is formed between the wire hanging plate 4 and the pressure plate 2, and wherein the elastic force of the pressure plate 2 is directed to the center of the clamping portion. The clamping portion is used to clamp the wire, and since the pressure plate is adjustable, its center is also variable, and the center here refers to the center of the clamping portion corresponding to the wire clamped and fixed, which is understandable to technicians in the technical field and will not be described in detail here. The utility model drives the pressure plate so that the wire is pressed between the pressure plate and the wire hanging plate, and the operation is simple and the adjustment is convenient. The clamping and fixing method enables the wire clamp of the utility model to be applicable to wires of different diameters; the elastic force of the pressure plate can effectively compensate for the stress deformation and stress relaxation when clamping the wire, thereby ensuring a firm and reliable connection.

[0030] In this embodiment, the wiring assembly further includes an operating rod 3 for driving the pressing plate 2 to approach or move away from the wire hanging plate 4. The operating rod 3 is installed on the wiring clamp body 1 in a manner that it can be driven to move along its own axis. The pressing plate 2 is installed on the top of the operating rod 3 and is located below the wire hanging plate 4. The setting of the operating rod 3 facilitates driving the pressing block, so that it can be installed and applied without the aid of tools such as screwdrivers in actual use.

[0031] In this embodiment, the pressing plate 2 includes an upper plate body 10 and a lower plate body 11 which are integrally formed. The upper plate body 10 and the lower plate body 11 are arranged at an angle so that the pressing plate 2 is in a "C" shape as a whole. The wire clamp body is in a "C" shape as a whole, which means that it has a certain elastic force, effectively overcoming the stress relaxation phenomenon caused by the thermal expansion and contraction of the wire clamp and the creep of the wire.

[0032] In this embodiment, a support plate 5 is provided at the bottom end of the wiring clamp body, and a mounting hole 9 is provided on the support plate 5. A connecting column head 6 is provided on the top of the operating rod 3, and the connecting column head 6 passes through the mounting hole 9 and the lower plate body 11 in sequence and is plugged into the upper plate body 10.

[0033] In this embodiment, the top surface of the upper plate body 10 is recessed downward to form a lower supporting surface 12 with an arc structure, and the bottom surface of the wire hanging plate 4 is recessed upward to form an upper supporting surface 14 with an arc structure, and both the lower supporting surface 12 and the upper supporting surface 14 are provided with tooth-shaped protrusions. As shown in the figure, in this embodiment, the clamping is actually achieved by two curved surfaces. Compared with the closed enclosing structure of the conventional wire clamp, the curved clamping structure of the utility model has the advantages of a wider adjustment range and a higher degree of freedom, and can be applied to the connection and branch connection of wires of different wire diameters. The tooth-shaped protrusions can effectively pierce the oxide layer on the surface of the wire, and better ensure the reliable contact between the wire clamp and the wire.

[0034] In this embodiment, the periphery of the hanging board 4 extends outward to form a guide flange 7 with a curved structure. In this embodiment, the hanging board 4 is arc-shaped, combined with the guide flange 7 arranged on the periphery of the hanging board 4, so that the above two as a whole form a continuous curved multi-segment curve, which is more conducive to hanging and installation.

[0035] In this embodiment, the wire hanging plate 4 is integrally formed on the top of the wiring clamp body 1, and the support plate 5 is integrally formed on the bottom of the wiring clamp body 1. The wire hanging plate 4 and the support plate 5 are located on the same side of the wiring clamp body 1.

[0036] In this embodiment, a limiting ring 13 is sleeved on the middle part of the connecting column head 6, and the limiting ring 13 limits the lower plate body 11 to the connecting column head 6 in the axial direction of the operating rod 3. In this embodiment, the surface of the operating rod 3 is provided with an external thread, and the mounting hole 9 is provided with an internal thread. The operating rod 3 is installed on the support plate 5 by threaded matching, and the bottom of the operating rod 3 is provided with an operating ring for holding. In this embodiment, the connecting column head 6 and the mounting hole 9, the lower plate body 11 and the upper plate body 10 are all clearance-matched, and the operating rod 3 and the pressure plate 2 are axially limited by the limiting ring 13, so that when the operating rod 3 rotates circumferentially and moves axially, the pressure plate 2 only moves axially, but does not rotate synchronously in the circumferential direction. When in use, the operating ring is used to hold the object and rotate the operating rod 3, that is, the driving of the pressure plate 2 is realized, and the wiring operation is realized, which is simple and quick. In this embodiment, the operating material is replaced with an insulating material or coated with an insulating material, so that the wire clamp of the utility model can be installed with power.

[0037] In this embodiment, an elastic member 8 is further included, and the elastic member 8 is sleeved on the connection column head 6 and located between the lower plate body 11 and the operating rod 3. The elastic member 8 in this embodiment is a conical elastic washer. The setting of the elastic member 8 can effectively avoid the situation where the wire is not compressed due to inadequate installation, and prevent the safe operation of the power grid from being affected by the poor contact between the wire and the wire clamp;

[0038] As shown in the figure, the wire hanging plate 4 and the support plate 5 in this embodiment are at least two symmetrical ones, so that the utility model is a butterfly-shaped structure as a whole. Correspondingly, the number of the aforementioned components such as the pressing plate 2 can also be selected according to the actual situation, but at least two, in order to realize the wiring function. In this embodiment, as shown in the figure, the wire hanging plate 4, the pressing plate 2 and the operating rod 3 are provided with four components, but the support plate 5 is designed to be two symmetrical ones, and the structure is more stable when wiring. In this embodiment, a guide rod 15 is also provided, and the guide rod 15 passes through the rear end of the support plate 5 and is detachably fixed on the pressing plate 2 to guide the movement of the pressing plate 2 and ensure the accuracy of the wiring. In the accompanying drawings of this embodiment, only one structure of the guide rod 15 is shown, which is mainly for the convenience of understanding. In fact, the number of the guide rod 15 should be at least the same as the pressing plate 2 to ensure that the movement of each pressing plate 2 is guided. This is understandable to technicians in this technical field and will not be repeated here. In this embodiment, components such as a wire hanging plate and a pressure plate are provided on both sides of the wire clamp body, so that when connecting wires or branching the wires, two wires can be arranged on both sides of the wiring clamp body, which has a better use effect.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A butterfly-shaped terminal clamp, characterized in that: It includes a wiring clamp body and a wiring assembly, the wiring assembly includes a pressing plate, the wiring clamp body is provided with a wire hanging plate, the pressing plate can be driven close to or away from the wire hanging plate, the pressing plate itself has elastic force, a clamping portion for clamping the wire is formed between the wire hanging plate and the pressing plate, and the elastic force of the pressing plate is directed toward the center of the clamping portion.

2. The butterfly-shaped terminal clamp according to claim 1, characterized in that: The wiring assembly also includes an operating rod for driving the pressure plate to move closer to or away from the wire hanging board. The operating rod is installed on the wiring clamp body in a manner that it can be driven to move along its own axis. The pressure plate is installed on the top of the operating rod and is located below the wire hanging board.

3. The butterfly-shaped terminal clamp according to claim 2, characterized in that: The pressing plate includes an upper plate body and a lower plate body that are integrally formed, and the upper plate body and the lower plate body are arranged at an angle so that the pressing plate as a whole has a "C" shape structure.

4. The butterfly-shaped terminal clamp according to claim 3, characterized in that: A support plate is provided at the bottom end of the wiring clamp body, and a mounting hole is provided on the support plate. A connecting column head is provided on the top of the operating rod, and the connecting column head passes through the mounting hole and the lower plate body in sequence and is then plugged into the upper plate body.

5. The butterfly-shaped terminal clamp according to claim 3, characterized in that: The top surface of the upper plate body is recessed downward to form a lower supporting surface with an arc structure, and the bottom surface of the hanging wire plate is recessed upward to form an upper supporting surface with an arc structure. Both the lower supporting surface and the upper supporting surface are provided with tooth-shaped protrusions.

6. The butterfly-shaped terminal clamp according to claim 1, characterized in that: The periphery of the wire hanging plate extends outward to form a guide flange with a curved structure.

7. The butterfly-shaped terminal clamp according to claim 4, characterized in that: The wire hanging plate is integrally formed and arranged on the top of the wiring clamp body, the support plate is integrally formed and arranged on the bottom of the wiring clamp body, and the wire hanging plate and the support plate are located on the same side of the wiring clamp body.

8. The butterfly-shaped terminal clamp according to claim 4, characterized in that: A limiting ring is sleeved on the middle part of the connecting column head, and the limiting ring limits the lower plate body to the connecting column head in the axial direction of the operating rod.

9. The butterfly-shaped terminal clamp according to claim 4, characterized in that: The surface of the operating rod is provided with an external thread, the mounting hole is provided with an internal thread, the operating rod is mounted on the support plate by threaded engagement, and the bottom of the operating rod is provided with an operating ring for holding.

10. The butterfly-shaped terminal clamp according to claim 4, characterized in that: It also includes an elastic member, which is sleeved on the connecting column head and located between the lower plate body and the operating rod.

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