CN210006951U

CN210006951U - Coaxial cable grounding clamp for cable intermediate joint

Info

Publication number: CN210006951U
Application number: CN201920827990.4U
Authority: CN
Inventors: 朱志存; 金良赞; 万仁洋
Original assignee: Nkt Cables Accessories Changzhou Co Ltd
Current assignee: Xinchengrui (Changzhou) Power Technology Co., Ltd
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-01-31
Anticipated expiration: 2029-06-03

Abstract

The utility model relates to a power cable equipment annex technical field especially relates to coaxial cable ground connection clamp for cable intermediate head, and the ground connection clamp includes ground connection clamp splice down, goes up ground connection clamp splice and copper pipe, goes up ground connection clamp splice inside and has last arc recess, and the inside arc recess that has of ground connection clamp splice down, goes up ground connection clamp splice fixed mounting under the top of ground connection clamp splice and mutually supports, and the copper pipe presss from both sides tightly at last ground connection clamp splice under and between the ground connection clamp splice, and the bottom of ground connection clamp splice is provided with the bolt mounting hole down the utility model discloses a coaxial cable ground connection clamp for cable intermediate head compares in traditional ground connection structure, makes coaxial cable and the ground connection of copper shell be connected more convenient and practice thrift installation time.

Description

Coaxial cable grounding clamp for cable intermediate joint

Technical Field

The utility model relates to a power cable equipment annex technical field especially relates to coaxial cable ground connection presss from both sides for cable intermediate head.

Background

The grounding connection of the cable middle joint generally adopts a coaxial cable as a grounding connection line, and the core of the coaxial cable is divided into an inner core and an outer core, when the coaxial cable is grounded, the inner core and the outer core of the coaxial cable need to be connected to two ends of a copper shell respectively.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems that the operation difficulty is high and the time is long in order to solve the technical problems that the inner core and the outer core of the coaxial cable are respectively connected at the two ends of the copper shell in the prior art, the utility model provides an coaxial cable grounding clamps for the cable intermediate head, which makes the grounding installation of the coaxial cable more convenient and faster.

The utility model provides a technical scheme that its technical problem adopted is that coaxial cable ground connection clamp for cable intermediate head, including ground connection clamp splice down, go up ground connection clamp splice and copper pipe, go up ground connection clamp splice inside and have an arc recess, the inside arc recess that has down of ground connection clamp splice down, go up ground connection clamp splice fixed mounting under the top of ground connection clamp splice and mutually support, the copper pipe presss from both sides tightly at last ground connection clamp splice and between the ground connection clamp splice down, the bottom of ground connection clamp splice is provided with the bolt mounting hole down.

And , specifically, two sides of the upper grounding clamping block and the lower grounding clamping block are provided with flange edges, and the upper grounding clamping block and the lower grounding clamping block are fixedly connected by penetrating bolts through the flange edges at the two sides.

For the convenience of being connected with the copper shell, the lower grounding clamping block is in a concave shape, two sides of the lower grounding clamping block horizontally extend to two sides respectively to form flange edges, two corners of a groove notch of the lower grounding clamping block are of arc-shaped structures, the two arc-shaped structures are on the same circle and matched with the lower portion of a copper pipe, a bolt mounting hole is formed in the bottom of the groove of the lower grounding clamping block, and a bolt is arranged in the bolt mounting hole.

In order to facilitate quick alignment and installation of the upper grounding clamping block and the lower grounding clamping block, bosses are upwards protruded on flange edges on two sides of the lower grounding clamping block, step surfaces are formed on the inner sides of the bosses, limiting lugs are downwards protruded on notches of arc-shaped grooves of the upper grounding clamping block, and the limiting lugs are clamped in the step surfaces.

In order to ensure the conductivity, the upper grounding clamping block and the lower grounding clamping block are made of copper materials or copper alloy materials.

The beneficial effects of the utility model are that, the utility model discloses a coaxial cable ground connection presss from both sides for the cable intermediate head compares in traditional ground connection structure, makes coaxial cable and copper shell's ground connection be connected more convenient and practice thrift installation time.

Drawings

The present invention will be further described in with reference to the following drawings and examples.

Fig. 1 is a schematic structural view of the coaxial cable grounding clip for the cable intermediate connector of the present invention.

Fig. 2 is a side view of the coaxial cable grounding clip for the cable intermediate connector according to the present invention.

Fig. 3 is a top view of the coaxial cable grounding clip for the cable intermediate connector according to the present invention.

Fig. 4 is a schematic view of the installation structure of the coaxial cable grounding clip for the cable intermediate joint of the present invention.

Fig. 5 is an enlarged view at a in fig. 4.

In the figure: 1. the grounding device comprises a lower grounding clamping block, 2, an upper grounding clamping block, 3, a copper pipe, 4, a bolt, 5, a flange edge, 6, a boss, 7, a step surface, 8, a limiting bump, 90, a coaxial cable, 91, an insulating layer, 92, an outer core, 93, an outer sheath, 94 and an inner core.

Detailed Description

The invention will now be described in greater detail with reference to the accompanying drawings, which are simplified schematic drawings that illustrate, by way of illustration only, the basic structure of the invention and, therefore, only show the elements that are relevant to the invention.

As shown in fig. 1-3, it is the preferred embodiment of the present invention, coaxial cable ground clamp for cable intermediate head, including lower ground clamp splice 1, go up ground clamp splice 2 and copper pipe 3, it has last arc recess to go up ground clamp splice 2 inside, lower ground clamp splice 1 inside has lower arc recess, it just cooperates each other to go up ground clamp splice 2 fixed mounting in the top of ground clamp splice 1 down, copper pipe 3 presss from both sides tightly between last ground clamp splice 2 and lower ground clamp splice 1, the bottom of lower ground clamp splice 1 is provided with the bolt mounting hole, lower ground clamp splice 1 is the font, lower ground clamp splice 1 both sides are horizontal respectively to both sides extension has the flange limit, two corners of lower ground clamp splice 1 groove mouth are arc structure, two arc structures are on the same circle, and two arc structures cooperate with the lower part of copper pipe 3, the bolt mounting hole has been seted up to lower ground clamp splice 1 recess bottom, be provided with bolt 4 in the bolt mounting hole.

Both sides of the upper grounding clamping block 2 and the lower grounding clamping block 1 are provided with flange edges 5, and the upper grounding clamping block 2 and the lower grounding clamping block 1 are fixedly connected through the flange edges 5 on both sides through screws. The flange edges on the two sides of the lower grounding clamping block 1 are upwards protruded with bosses 6, the inner sides of the bosses 6 form step surfaces 7, the notches of the arc-shaped grooves of the upper grounding clamping block 2 are downwards protruded with limiting lugs 8, and the limiting lugs 8 are clamped in the step surfaces 7. The upper grounding clamping block 2 and the lower grounding clamping block 1 are made of copper materials or copper alloy materials. The bolt 4 and the screw are both made of stainless steel.

As shown in fig. 4 and 5, an installation method of coaxial cable grounding clamps for cable intermediate connectors comprises the coaxial cable grounding clamp for cable intermediate connectors, wherein a coaxial cable 90 comprises an inner core 94, an insulating layer 91, an outer core 92 and an outer sheath 93 in sequence from inside to outside, and the installation method comprises the following steps:

1) removing the outer sheath 93 at the end (front end) of the coaxial cable 90 to expose the inner outer core 92 and the inner insulating layer 91 (the inner core 94, the insulating layer 91 and the outer core 92 are exposed in sequence from front to back);

2) the copper tube 3 is sleeved and inserted with the coaxial cable 90 along the periphery of the insulating layer 91, so that the copper tube 3 is positioned between the insulating layer 91 and the outer core 92;

3) the bolt 4 at the bottom of the lower grounding clamping block 1 is fixedly connected with the wiring palm on the copper shell 10;

4) clamping and clamping the upper grounding clamping block 2 and the lower grounding clamping block 1 on the outer core 92 of the position where the copper pipe 3 is located, and clamping and fixing flange edges at two sides of the upper grounding clamping block 2 and the lower grounding clamping block 1 by screws;

5) the inner core 94 of the front end of the coaxial cable 90 is exposed and then fixedly connected with another wiring terminals on the copper shell 10 through wiring terminals.

The end of the copper tube 3 that enters the coaxial cable 90 has a tapered closing-in.

The coaxial cable grounding clamp for the cable intermediate joint meets the use requirements (meets the grounding connection between the copper shell and the coaxial cable), and simultaneously enables the grounding connection between the coaxial cable and the copper shell to be more convenient and saves the installation time compared with the traditional grounding connection structure.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

The coaxial cable grounding clamp for the cable intermediate connector is characterized by comprising a lower grounding clamping block (1), an upper grounding clamping block (2) and a copper pipe (3), wherein an upper arc-shaped groove is formed in the upper grounding clamping block (2), a lower arc-shaped groove is formed in the lower grounding clamping block (1), the upper grounding clamping block (2) is fixedly arranged above the lower grounding clamping block (1) and matched with the lower grounding clamping block, the copper pipe (3) is clamped between the upper grounding clamping block (2) and the lower grounding clamping block (1), and a bolt mounting hole is formed in the bottom of the lower grounding clamping block (1).
2. The coaxial cable grounding clip for cable intermediate connectors as set forth in claim 1, wherein: go up ground connection clamp splice (2) and all have flange limit (5) with the both sides of lower ground connection clamp splice (1), go up ground connection clamp splice (2) and pass flange limit (5) fixed connection of both sides through the screw with lower ground connection clamp splice (1).
3. The coaxial cable grounding clamp for the cable intermediate joint according to claim 1, wherein the lower grounding clamping block (1) is in a concave shape, two sides of the lower grounding clamping block (1) respectively extend horizontally to two sides to form flange edges, two corners of a groove notch of the lower grounding clamping block (1) are in circular arc structures, the two circular arc structures are on the same circle and matched with the lower part of the copper pipe (3), a bolt mounting hole is formed in the bottom of the groove of the lower grounding clamping block (1), and a bolt (4) is arranged in the bolt mounting hole.
4. A coaxial cable grounding clip for a cable intermediate connector as defined in claim 3, wherein: the flange edges on two sides of the lower grounding clamping block (1) are upwards protruded with bosses (6), step faces (7) are formed on the inner sides of the bosses (6), notches of the arc-shaped grooves of the upper grounding clamping block (2) are downwards protruded with limiting lugs (8), and the limiting lugs (8) are clamped in the step faces (7).
5. The coaxial cable grounding clip for cable intermediate connectors as set forth in claim 1, wherein: the upper grounding clamping block (2) and the lower grounding clamping block (1) are made of copper materials or copper alloy materials.