CN213125536U

CN213125536U - Wire clamp

Info

Publication number: CN213125536U
Application number: CN202021830090.4U
Authority: CN
Inventors: 苏杭
Original assignee: Junlang Electric Co ltd
Current assignee: Junlang Electric Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-05-04
Anticipated expiration: 2030-08-27

Abstract

The utility model discloses a wire clamp, which comprises a wire clamp body, two fastening studs fixed on the top of the wire clamp body, a wire pressing block connected with the fastening studs and fastening nuts matched with the fastening studs for fastening the wire pressing block; a wire groove is arranged between the two fastening studs at the top of the wire clamp body, a wire pressing bulge suitable for extending into the wire groove is arranged at the position, corresponding to the wire groove, of the lower part of the wire pressing block, the lower end surface of the wire pressing bulge is an inwards concave arc-shaped pressing surface, one end of the wire pressing block is movably sleeved with one fastening stud through a through hole in the wire pressing block, and the other end of the wire pressing block is provided with a U-shaped groove suitable for being matched with the; and an elastic limiting mechanism is arranged at the opening of the side part of the U-shaped groove on the wire pressing block and is used for sealing the opening of the U-shaped groove through the elastic limiting mechanism after the U-shaped groove is matched with the corresponding fastening stud to form. The utility model discloses well fastener is rational in infrastructure, and the simple operation is reliable during the double-layered line, is favorable to reducing the high altitude construction degree of difficulty, has fine practicality.

Description

Wire clamp

Technical Field

The utility model relates to a wire clamp belongs to electric power fitting structural design field.

Background

Wire clamps are commonly used to secure connecting cables. The existing wire clamp comprises a wire clamp body, two fastening studs fixed to the top of the wire clamp body, a wire pressing block connected with the fastening studs, and fastening nuts matched with the fastening studs and used for fastening the wire pressing block, wherein two ends of the wire pressing block are respectively provided with through holes sleeved with the two fastening studs. Use above-mentioned fastener to arrange the cable in the fastener body when the wiring, then load onto the line ball piece on fastening stud, thereby later load onto fastening nut on fastening stud top compresses tightly the wire through line ball piece and fastener body and be connected, nevertheless because the fastener will be installed at the eminence sometimes and use, and above-mentioned fastener is connected the operation with the wire and is loaded down with trivial details relatively, has increased the degree of difficulty of eminence operation.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims at providing a fastener rational in infrastructure, it is more convenient and reliable with the cable connection operation.

Realize the utility model discloses the technical scheme of purpose is:

a wire clamp is characterized by comprising a wire clamp body, two fastening studs fixed on the top of the wire clamp body, a wire pressing block connected with the fastening studs, and fastening nuts matched with the fastening studs for fastening the wire pressing block; a wire groove is formed in the top of the wire clamp body between the two fastening studs, a wire pressing bulge suitable for extending into the wire groove is arranged at the position, corresponding to the wire groove, of the lower portion of the wire pressing block, the lower end face of the wire pressing bulge is an inwards-concave arc-shaped crimping surface, one end of the wire pressing block is movably sleeved with one fastening stud through a through hole in the wire pressing bulge, and a U-shaped groove suitable for being matched with the other fastening stud is formed in the other end of the wire pressing block; and an elastic limiting mechanism is arranged at the opening of the side part of the U-shaped groove on the line pressing block and is used for sealing the opening of the U-shaped groove through the elastic limiting mechanism after the U-shaped groove is matched with the corresponding fastening stud to form.

In the technical scheme, the elastic limiting mechanism is a quick-opening elastic limiting mechanism and comprises a limiting block and an elastic piece, wherein one end of the limiting block is rotatably arranged on the line pressing block through a connecting shaft, and the elastic piece enables the limiting block to keep a trend of rotating towards the outer side of the U-shaped groove;

a slot is formed in one end, far away from the connecting shaft, of the limiting block, a clamping piece and a first spring providing outward elasticity for the clamping piece are arranged in the slot, a long hole communicated with the slot is formed in the outer side portion of the limiting block, an operating piece is arranged in the long hole, the inner end of the operating piece is connected with the clamping piece, the outer end of the operating piece is exposed out of the side face of the limiting block, and the operating piece moves in the long hole when the clamping piece moves in the slot;

and the corresponding side wall of the opening of the slot is provided with an embedded groove matched with the outer end of the clamping piece.

In the above technical scheme, the operating member is a stud, the clamping member is provided with a screw hole, and the stud penetrates through the long hole to be in threaded connection with the screw hole.

In the technical scheme, the outer side of the U-shaped groove is provided with the guide inclined plane.

In the above technical scheme, the elastic part is a torsion spring sleeved on the connecting shaft, one end of the torsion spring is connected with the limiting block, and the other end of the torsion spring is connected with the line pressing block.

In the above technical scheme, the fastening stud in sleeve connection and matching with the through hole is sleeved with the second spring for providing upward elastic force for the wire pressing block.

The utility model discloses has positive effect: the utility model discloses the rational in infrastructure of well fastener cup joints thereby through perforation and a fastening double-screw bolt activity with line ball piece rotatable coupling on a fastening double-screw bolt, when being connected line clamp and cable, earlier arrange the cable in the wire casing at fastener body top in, then through rotatory line ball piece makes the U-shaped groove forms the cooperation with another fastening double-screw bolt to carry on spacing through elasticity stop gear prevent the U-shaped groove with fastening double-screw bolt breaks away from, then compress tightly line ball piece (fastening nut twists in advance the upper end at fastening double-screw bolt) through the fastening nut that screws, the line clamp is connected the operation with the wire and is more convenient and reliable, is favorable to having reduced high altitude construction's the degree of difficulty, has fine practicality.

Drawings

FIG. 1 is a structural diagram of the cable clamp of the present invention;

FIG. 2 is a structural diagram of the middle voltage block of the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 2.

The reference symbols shown in the figures are: 1-a wire clamp body; 11-a wire groove; 2-fastening a stud; 21-fastening a nut; 3-pressing line blocks; 30-line pressing protrusions; 31-perforating; a 32-U-shaped slot; 33-caulking groove; 34-a guide ramp; 4-a connecting shaft; 5-a limiting block; 51-a slot; 52-a catch; 53-a first spring; 54-long hole; 55-an operating member; 6-an elastic member; 7-second spring.

Detailed Description

The following description is made in combination with the accompanying drawings for the specific structure of the middle wire clamp:

a wire clamp comprises a wire clamp body 1, two fastening studs 2 fixed on the top of the wire clamp body 1, a wire pressing block 3 connected with the fastening studs 2, and fastening nuts 21 matched with the fastening studs 2 and used for fastening the wire pressing block 3, as shown in FIGS. 1 to 3; a wire groove 11 is formed in the top of the wire clamp body 1 between the two fastening studs 2, a wire pressing protrusion 30 suitable for extending into the wire groove 11 is arranged at a position, corresponding to the wire groove 11, on the lower portion of the wire pressing block 3, a concave arc-shaped pressing surface is arranged on the lower end surface of the wire pressing protrusion 30, when the wire clamp is installed and used, the wire pressing protrusion 30 correspondingly extends into the wire groove 11 and then contacts with a cable through the arc-shaped pressing surface and presses the cable in the wire groove, the wire clamp is suitable for connecting cables with various diameters, one end of the wire pressing block 3 is movably sleeved with one fastening stud 2 through a through hole 31 formed in the wire pressing protrusion, and a U-shaped groove 32; an elastic limiting mechanism is arranged at an opening on the side part of the U-shaped groove 32 on the wire pressing block 3 and is used for sealing the opening of the U-shaped groove 32 through the elastic limiting mechanism after the U-shaped groove 32 is matched with the corresponding fastening stud 2 to form. The utility model discloses the rational in infrastructure of well fastener cup joints thereby with cord grip 3 rotatable coupling through perforation 31 and a fastening stud activity on a fastening stud, when will installing the gold utensil and being connected with the wire, earlier arrange the wire in the wire casing at fastener body top in, then through rotatory cord grip 3 makes U-shaped groove 32 forms the cooperation with another fastening stud to carry on spacingly through elasticity stop gear prevent U-shaped groove 32 with fastening stud breaks away from, then compress tightly the cord grip through the fastening nut of screwing (fastening nut twists in advance at the upper end of fastening stud), it is convenient reliable that installation gold utensil and wire connection operation are gone up, are favorable to reducing high altitude construction's danger, have fine practicality.

In this embodiment, the elastic limiting mechanism is a quick-opening elastic limiting mechanism, and includes a limiting block 5 with one end rotatably mounted on the line pressing block 3 through a connecting shaft 4, and an elastic member 6 for keeping the limiting block 5 to rotate towards the outside of the U-shaped groove 32; a slot 51 is arranged at one end of the limiting block 5 far away from the connecting shaft 4, a clamping piece 52 and a first spring 53 providing an outward elastic force for the clamping piece 52 are arranged in the slot 51, a long hole 54 communicated with the slot 51 is arranged at the outer side part of the limiting block 5, an operating piece 55 is arranged in the long hole 54, the inner end of the operating piece 55 is connected with the clamping piece 52, the outer end of the operating piece 55 is exposed out of the side surface of the limiting block 5, and the operating piece 55 moves in the long hole 54 when the clamping piece 52 moves in the slot 51; and the corresponding side wall of the opening of the slot 51 is provided with a caulking groove 33 matched with the outer end of the clamping piece 52. The elastic member 6 provides the stopper 5 with an elastic force in a normal state so that the stopper 5 has a tendency to rotate outward of the U-shaped groove 32 to prevent the stopper 5 from closing the side opening of the U-shaped groove 32 in a normal state, thereby facilitating the engagement of the U-shaped groove with the corresponding fastening stud when the line pressing block 3 is rotated, when the U-shaped groove is matched with the corresponding fastening stud, the limiting block 5 is pressed and rotated towards the direction in the U-shaped groove, so that the clamping piece 52 is matched with the embedded groove 33 to limit the limiting block at the position for closing the side opening of the U-shaped groove 32, the U-shaped groove 32 is prevented from being separated from the corresponding fastening stud, when the stop block 5 is opened, a force is applied to the outer end of the operating member 55 to move the latch member 52 into the slot 51, after the limiting block is separated from the embedded groove 33, the limiting block 5 is quickly bounced to the outside direction of the U-shaped groove under the action of the elastic piece 6.

In this embodiment, the operating element 55 is a stud, the clamping element 52 is provided with a screw hole, and the stud penetrates through the long hole 54 and is in threaded fit with the screw hole.

In this embodiment, a guide inclined surface 34 is disposed on the outer side of the insertion groove 33, and the stopper 5 is gradually compressed along the guide inclined surface 34 in the process of rotating toward the inside of the U-shaped groove 32 until the outer end of the clip 52 extends into the insertion groove 33 by the first spring when the clip 52 rotates to a position opposite to the insertion groove 33.

In this embodiment, the elastic member 6 is a torsion spring sleeved on the connecting shaft 4, one end of the torsion spring is connected with the limiting block 5, and the other end of the torsion spring is connected with the line pressing block 3.

In this embodiment, with perforation 31 cup joints the complex fastening stud 2 goes up the cover and is equipped with for cord grip 3 provides the second spring 7 of the elastic force that makes progress under fastening nut is not hard up the condition, can for through the existence of second spring 7 cord grip 3 provides ascending elastic force, makes produce obvious clearance between cord grip 3 and the fastener body to be convenient for arrange the cable in the wire casing, be favorable to high altitude construction.

The wire clamp structure in this embodiment can be applied to post insulators.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious changes and modifications which fall within the spirit of the invention are deemed to be covered by the present invention.

Claims

1. The wire clamp is characterized by comprising a wire clamp body (1), two fastening studs (2) fixed at the top of the wire clamp body (1), a wire pressing block (3) connected with the fastening studs (2) and fastening nuts (21) matched with the fastening studs (2) and used for fastening the wire pressing block (3); a wire groove (11) is formed in the top of the wire clamp body (1) between the two fastening studs (2), a wire pressing protrusion (30) suitable for extending into the wire groove (11) is arranged at the position, corresponding to the wire groove (11), of the lower portion of the wire pressing block (3), the lower end face of the wire pressing protrusion (30) is an inwards concave arc-shaped pressing surface, one end of the wire pressing block (3) is movably sleeved with one fastening stud (2) through a through hole (31) formed in the wire pressing block, and a U-shaped groove (32) suitable for being matched with the other fastening stud (2) is formed in the other end of the wire pressing block; and an elastic limiting mechanism is arranged at an opening on the side part of the U-shaped groove (32) on the wire pressing block (3) and is used for sealing the opening of the U-shaped groove (32) through the elastic limiting mechanism after the U-shaped groove (32) is matched with the corresponding fastening stud (2) to form.

2. The cable clamp according to claim 1, characterized in that the elastic limiting mechanism is a quick-opening elastic limiting mechanism, which comprises a limiting block (5) with one end rotatably mounted on the cable pressing block (3) through a connecting shaft (4) and an elastic member (6) which enables the limiting block (5) to keep the trend of rotating towards the outside of the U-shaped groove (32);

a slot (51) is formed in one end, far away from the connecting shaft (4), of the limiting block (5), a clamping piece (52) and a first spring (53) providing outward elastic force for the clamping piece (52) are arranged in the slot (51), a long hole (54) communicated with the slot (51) is formed in the outer side portion of the limiting block (5), an operating piece (55) is arranged in the long hole (54), the inner end of the operating piece (55) is connected with the clamping piece (52), the outer end of the operating piece (55) is exposed out of the side face of the limiting block (5), and when the clamping piece (52) moves in the slot (51), the operating piece (55) moves in the long hole (54);

and the corresponding side wall of the opening of the slot (51) is provided with a caulking groove (33) matched with the outer end of the clamping piece (52).

3. The cable clamp according to claim 2, wherein the operating member (55) is a stud, and the clamping member (52) is provided with a threaded hole, and the stud is threaded through the elongated hole (54) and is engaged with the threaded hole.

4. The clamp according to claim 2, characterized in that a guide ramp (34) is provided on the outside of the U-shaped groove (32).

5. The cable clamp according to claim 2, characterized in that the elastic member (6) is a torsion spring sleeved on the connecting shaft (4), one end of the torsion spring is connected with the limiting block (5), and the other end is connected with the line pressing block (3).

6. The cable clamp as claimed in one of claims 1 to 5, characterized in that a second spring (7) which provides an upward spring force for the cable clamp (3) is arranged on the fastening stud (2) which is in a sleeve-fit engagement with the through-hole (31).