CN219458054U - Wedge-shaped structure wire clamp with corrosion resistance - Google Patents

Abstract

The utility model relates to a wedge-shaped structure wire clamp with corrosion resistance, which comprises a wire clamp, wherein a guide step is fixedly arranged at the inner bottom of the wire clamp, two side faces of the guide step are inclined planes which are arranged in parallel, two clamping blocks are symmetrically arranged at the two sides of the guide step along the center of the guide step, the two clamping blocks are both in sliding connection with the inner bottom of the wire clamp and slide along the inclined planes in a guiding manner, guide wedge faces are arranged on the top faces of the two clamping blocks, a pressing block is arranged above the two clamping blocks, two wedge faces are symmetrically arranged at the center of the bottom face of the pressing block and are respectively pressed on the two guide wedge faces through the two wedge faces, the pressing block, the guide step and the wire clamp are fastened by being screwed and fastened through vertical fastening bolts and fastening nuts, and the two clamping blocks move towards the two ends of the wire clamp along the guide groove and the guide step due to the wedge principle, so that wires are pressed in a placing groove, the wire clamp can be effectively prevented from loosening, the damage of an anti-corrosion coating is lightened, and the safe, stable and continuous running of a circuit is ensured.

Description

Wedge-shaped structure wire clamp with corrosion resistance

Technical Field

The utility model relates to a wedge-shaped structure wire clamp with corrosion resistance.

Background

The C-shaped wire clamp is a common electric power connecting fitting and is commonly used for high-altitude power cables. The C-shaped wire clamp is directly exposed in the air, and is corroded by rainwater and exposed to the sun, so that the corrosion of the C-shaped wire clamp is extremely easy to cause. The corroded C-shaped wire clamp can influence the reliability of cable connection, has great potential safety hazards, can influence the safety, stability and continuous operation of a circuit, and has more serious corrosion conditions especially in heavy salt fog areas such as southeast coast.

In the existing C-shaped wire clamping device, the problems of inconvenient installation and fixation, weak practicability and poor clamping stability exist. In real life, often because inconvenient installation is fixed and fixed insufficient for installation efficiency and installation quality reduce, and current C molded lines presss from both sides mostly adopts fastener interior circle and fastener excircle complex mode, like a C type fastener that CN201821452129.6 disclosed, but its structure is comparatively complicated, and manufacturing cost is higher, and the operation mode is also comparatively complicated, is unfavorable for carrying out quick installation work.

Disclosure of Invention

In view of the defects of the prior art, the technical problem to be solved by the utility model is to provide the wedge-shaped structure wire clamp with corrosion resistance, which is simple and reasonable in structure and convenient to install.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a wedge structure fastener that possesses corrosion resistance, includes the fastener, the guide step has been set firmly to the bottom in the fastener, guide step both sides face is parallel arrangement's inclined plane, and guide step both sides are equipped with two clamp splice along guide step central symmetry, and two clamp splice all with the fastener in bottom sliding connection and along the inclined plane direction slip, two clamp splice top surfaces all are equipped with the direction wedge face, two clamp splice top is equipped with the briquetting, and this briquetting bottom surface central symmetry is equipped with two wedge faces and respectively the crimping is on two direction wedge faces through two wedge faces, the briquetting, guide step and fastener are fastened through vertical fastening bolt, fastening nut spiro union.

Further, the cross-section of fastener is C type promptly, is C type opening structure promptly, selects for use C type fastener promptly, and the shaping of fastener both sides inner wall has the arc in order to place the standing groove of electric wire core, the arc centre gripping groove has been seted up to the standing groove one side of clamp splice orientation homonymy, and the one side that is on the back of the body with the centre gripping groove is provided with inclined plane complex guide surface on the clamp splice.

Further, the bolt through holes for the fastening bolts to pass through are formed in the middles of the pressing blocks, the guide steps and the wire clamps, two limit pin holes are symmetrically formed in the wire clamps along the centers of the bolt through holes, guide grooves are formed in the faces, opposite to the guide wedge faces, of the two clamping blocks, elastic cylindrical pins are arranged in the limit pin holes, and protruding portions at the top ends of the elastic cylindrical pins are arranged in the guide grooves of the clamping blocks.

Further, the extending direction of the guide groove is parallel to the extending direction of the guide surface.

Furthermore, one end of the guide wedge surface is equal to the top end of the clamping block, the other end of the guide wedge surface extends downwards and obliquely along the length direction of the clamping block to form the guide wedge surface, the end face size of one side of the guide wedge surface, which is equal to the top end of the clamping block, is smaller than the end face size of the clamping block on the other side of the guide wedge surface, and the wedge surfaces are matched with the guide wedge surface to ensure surface contact.

Furthermore, the wire clamp, the clamping block and the pressing block all adopt corrosion-resistant plating layers.

Further, the wire clamp, the clamping block and the pressing block are all made of aluminum alloy materials, and the elastic cylindrical pin is made of stainless steel materials.

Compared with the prior art, the utility model has the following beneficial effects: by tightening the fastening nuts, the pressing blocks are pressed on the two clamping blocks, and the two clamping blocks respectively move towards two ends of the wire clamp along the guide groove and the guide step due to the wedge-shaped principle, so that the wires are pressed in the placing groove, and the two wires are fastened. The wire clamp, the two clamping blocks and the pressing block all adopt corrosion-resistant coatings, so that the wire clamp has good corrosion resistance. The wedge-shaped structure can effectively prevent loosening, lighten the damage of the anti-corrosion coating, ensure the fastening and stability of the electric wire, and has simple structure, lower cost, convenient operation and stable clamping.

The utility model will be described in further detail with reference to the drawings and the detailed description.

Drawings

FIG. 1 is a schematic diagram (I) of an embodiment of the present utility model;

FIG. 2 is a schematic diagram (II) of an embodiment of the present utility model;

FIG. 3 is a schematic view of the construction of a wire clip in accordance with an embodiment of the present utility model;

FIG. 4 is a schematic view of a clamp block according to an embodiment of the present utility model;

FIG. 5 is a perspective view of a clamp block according to an embodiment of the present utility model;

fig. 6 is a schematic view of a pressing block according to an embodiment of the utility model.

In the figure: 1-a wire clamp; 2-clamping blocks; 3-briquetting; 4-fastening bolts; 5-tightening the nut; 6-elastic cylindrical pins; 11-a placement groove; 12-limiting guide steps; 21-a clamping groove; 22-a guide surface; 23-guiding wedge surface; 24-guiding grooves; 31-wedge surface; 121-inclined plane; 41-bolt through holes; 61-limit pin holes.

Detailed Description

In order to make the above features and advantages of the present utility model more comprehensible, embodiments accompanied with figures are described in detail below.

As shown in fig. 1-6, a wedge-shaped structure wire clamp with corrosion resistance comprises a wire clamp (1), two clamping blocks (2), a pressing block (3), a fastening bolt (4), a fastening nut (5) and an elastic cylindrical pin (6), wherein the two clamping blocks are arranged in the wire clamp, and the pressing block is connected with the wire clamp through the fastening bolt and the fastening nut and clamps the two clamping blocks.

In the embodiment of the utility model, the wire clamp (1) is of a C-shaped opening structure, the two sides of the inner wall of the wire clamp are provided with the placing grooves (11) for placing the electric wire cores, the wire clamp is internally provided with the limiting guide steps (12), and the wire clamp is internally provided with two limiting pin holes and bolt through holes.

In the embodiment of the utility model, the two clamping blocks (2) are arranged in the wire clamp, the clamping blocks are provided with clamping grooves (21) facing the placing grooves, one surface of each clamping block opposite to the clamping grooves is provided with guide surfaces (22), two side surfaces of each guide step are inclined surfaces (121) which are arranged in parallel, the inclined surfaces slide in a matched manner with the guide surfaces, the clamping blocks are provided with guide wedge surfaces (23) perpendicular to the clamping grooves and the guide surfaces, and one surface of each clamping block opposite to the guide wedge surfaces is provided with a guide groove (24).

In the embodiment of the utility model, the elastic cylindrical pin (6) is arranged in the limit pin hole (61) of the wire clamp, and the protruding part is arranged in the clamp block guide groove so as to be beneficial to guide limit when the clamp block slides.

In the embodiment of the utility model, two centrosymmetric wedge surfaces (31) are arranged on the pressing block (3), the wedge surfaces on the pressing block are respectively contacted with the wedge surfaces on the two clamping blocks, the pressing block is provided with a bolt through hole (41), and the pressing block is pressed on the two clamping blocks through a fastening bolt and a fastening nut.

In the embodiment of the utility model, one end of the guide wedge surface is equal to the top end of the clamping block, the other end of the guide wedge surface extends downwards and obliquely along the length direction of the clamping block to form the guide wedge surface, the end surface size of one side of the guide wedge surface, which is equal to the top end of the clamping block, is smaller than the end surface size of the clamping block on the other side of the guide wedge surface, the wedge surfaces are matched with the guide wedge surface to ensure surface contact, and in the continuous compression joint process, the guide wedge surface is in sliding fit with the wedge surface, the clamping block slides towards one side with larger end surface size, and then slides towards one side close to an electric wire in cooperation with the guide groove and the inclined surface, so that clamping of the electric wire is completed.

In the embodiment of the utility model, the extending direction of the guide groove is parallel to the extending direction of the guide surface.

In the embodiment of the utility model, the wire clamp, the two clamping blocks and the pressing block are all coated with corrosion-resistant coatings.

The working principle of the embodiment of the utility model is as follows: firstly, two wires to be connected are placed in the placing groove respectively, the pressing blocks are pressed on the two clamping blocks by tightening the fastening nuts, the two clamping blocks respectively move towards two ends of the wire clamp along the guide groove and the guide step due to the wedge-shaped principle, the two clamping blocks respectively move reversely along the inclined plane and are gradually close to the placing groove, and finally the wires are pressed between the placing groove and the clamping groove, so that the installation and the fastening of the two wires are realized. The wire clamp, the two clamping blocks and the pressing block all adopt corrosion-resistant coatings, so that the wire clamp has good corrosion resistance. The wedge-shaped structure can effectively prevent the release and lighten the damage of the anti-corrosion coating.

The utility model is not limited to the above-described preferred embodiments, and any person may derive other various types of wedge-shaped structural clips having corrosion resistance under the teaching of the utility model. All equivalent changes and modifications made according to the claims of the present utility model shall fall within the scope of the present utility model.

Claims (6)

1. A wedge-shaped structure fastener that possesses corrosion resistance, its characterized in that: the wire clamp comprises a wire clamp, the guide step has been set firmly to the bottom in the wire clamp, guide step both sides face is parallel arrangement's inclined plane, and guide step both sides are followed guide step central symmetry and are equipped with two clamp splice, and two clamp splice all with wire clamp inner bottom sliding connection and along inclined plane direction slip, two clamp splice top surfaces all are equipped with the direction wedge face, two clamp splice top is equipped with the briquetting, and this briquetting bottom surface central symmetry is equipped with two wedge faces and presss from both sides the welding respectively on two guide wedge faces through two wedge faces, the briquetting is connected with the wire clamp through fastening bolt and fastening nut to press from both sides two clamp splice tightly.

2. The wedge-shaped structure wire clamp with corrosion resistance according to claim 1, wherein: the wire clamp is characterized in that the cross section of the wire clamp is C-shaped, the inner walls of the two sides of the wire clamp are provided with arc-shaped placing grooves for placing wires, one side of each clamping block, facing the placing groove on the same side, is provided with arc-shaped clamping grooves, and one surface, opposite to the clamping grooves, of each clamping block is provided with a guide surface matched with an inclined surface.

3. The wedge-shaped structure wire clamp with corrosion resistance according to claim 1, wherein: the utility model discloses a clamp, including briquetting, guide step and fastener, the bolt through-hole that supplies fastening bolt to pass is all offered at briquetting, guide step and fastener middle part, and through vertical fastening bolt, fastening nut spiro union fastening between briquetting, guide step and the fastener, be equipped with two spacing pinholes along bolt through-hole central symmetry on the fastener, the guide way has been seted up with the one side that the guide wedge face is on the back mutually on two clamp blocks, be equipped with the elasticity cylindric lock in the spacing pinhole, and this elasticity cylindric lock top protruding part is arranged in the guide way of clamp block.

4. The wedge-shaped structure wire clamp with corrosion resistance according to claim 1, wherein: the guide wedge surface is high with the clamp splice top, and the other end is along clamp splice length direction slant extension downwards in order to shaping guide wedge surface, guide wedge surface is less than the clamp splice terminal surface size of guide wedge surface opposite side with clamp splice top equal altitude one side terminal surface size, the wedge surface all cooperates the guide wedge surface setting in order to guarantee the face contact.

5. The wedge-shaped structure wire clamp with corrosion resistance according to claim 1, wherein: the wire clamp, the clamping block and the pressing block are all coated with corrosion-resistant coatings.

6. The wedge-shaped structure wire clamp with corrosion resistance according to claim 1, wherein: the wire clamp, the clamping block and the pressing block are all made of aluminum alloy, and the elastic cylindrical pin is made of stainless steel.