CN210468144U - Wire nose with movable opening - Google Patents

Abstract

The utility model relates to an electrical part, it relates to a movable open-ended line nose. This kind of movable open-ended line nose, including wiring hole and conductive cylinder body, conductive cylinder body extends has insulating cylinder body, is equipped with a plurality of cramping bodies that stretch into conductive cylinder body inside on the insulating cylinder body inner wall, and the cramping body sets up and constitutes a circular shape movable part in the inside annular of insulating cylinder body, and the cramping body passes through torsion spring and insulating cylinder body inner wall connection messenger cramping body can open and shut and adjust the movable part opening size. The multi-strand wire core is plugged into the wire nose through the movable opening, so that the exposed wire core is avoided, and the safety is high; meanwhile, the contact area is enough to ensure the stability of the electric conduction; the damage to the wire core is small, and the service life of the wire core can be prolonged.

Description

Wire nose with movable opening

Technical Field

The utility model relates to an electrical part, more specifically says that it relates to a movable open-ended line nose.

Background

During wiring, the single-strand wires are generally wound directly on the terminal, but the multi-strand wires need to be connected with the terminal through wire noses. The condition that all wire cores cannot be plugged into the wire nose can appear when the wire nose is opened due to the fact that the multiple wire cores are inserted into the wire nose opening, although the insulating adhesive tapes are wound at the connecting position of the multiple wire cores and the wire nose, the exposed wire cores can puncture the insulating adhesive tapes, and potential safety hazards are caused. There is a need for a wire nose that can facilitate the plugging of the wire core entirely into the interior.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a not enough to prior art exists, the utility model aims to provide a can be through the opening of activity with the whole inside and fixed wire nose of inserting of sinle silk into wire nose.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a movable open-ended line nose, includes wiring hole and conductive cylinder body, and conductive cylinder body extends has insulating cylinder body, is equipped with a plurality of cramping bodies that stretch into conductive cylinder body inside on the insulating cylinder body inner wall, and the cramping body sets up and constitutes a circular shape movable part at the inside annular of insulating cylinder body, and the cramping body passes through torsion spring and insulating cylinder body inner wall connection messenger cramping body can open and shut and adjust the movable part opening size.

Through adopting above-mentioned technical scheme, make under the effect of opening inside torsion spring, the clamping body is supported by the opening of insulating barrel and is made its movable part that constitutes be greater than the opening of insulating barrel by the opening of insulating barrel, makes things convenient for the stranded wire to fill in inside the conductive barrel with the sinle silk is whole. When the stranded wire is all plugged into inside the conductive cylinder body, the stranded wire pushes up the inner opening that the movable part is in the conductive cylinder body, because the clamping body passes through torsion spring and insulating cylinder body inner wall connection constitution lever, the opening is started by the top in the movable part, the outer opening of movable part reduces gradually under the effect of lever, make add the body of holding and tightly clip the stranded wire, add the body of holding and stretch into the inside one end of conductive cylinder body also with conductive cylinder body internal contact, the area of contact of stranded wire with the conductive cylinder body has been increased indirectly, electrically conductive stability has been guaranteed.

The utility model discloses further set up to: the torsion spring is positioned at the opening of the insulating cylinder, and the length of the part of the clamping body exposed out of the insulating cylinder accounts for 1/3 the total length.

By adopting the technical scheme, the fulcrum of the lever formed by the torsion spring and the clamping body is positioned at 1/3 of the clamping body, the length of one end of the exposed insulating cylinder body accounts for 1/3 of the total length, when the stranded wires are plugged into the conductive cylinder body, the lever formed by the torsion spring and the clamping body becomes a labor-saving lever when the inner opening of the movable part is stressed and opened, and the force of the stranded wires plugged into the conductive cylinder body can be saved.

The utility model discloses further set up to: the outer wall of one end of the clamping body extending into the conductive cylinder body is provided with a first conductive block, and the inner wall of the conductive cylinder body is provided with a second conductive block matched with the first conductive block.

Through adopting above-mentioned technical scheme, can increase the area of contact of holding body and conductive cylinder through the cooperation of first electric conductor and second electric conductor, be favorable to electrically conductive stability.

The utility model discloses further set up to: the first conductive block and the second conductive block are provided with a plurality of convex strips which are matched with each other.

Through adopting above-mentioned technical scheme, can further increase the area of contact between the clamping body and the electrically conductive barrel, guarantee electrically conductive stability. Meanwhile, the mutual clamping position between the convex strips can also ensure the stability of the position of the clamping body.

The utility model discloses further set up to: and a third conductive block is arranged on the inner wall of one end of the clamping body extending into the conductive cylinder.

Through adopting above-mentioned technical scheme, can increase the area of contact between clamping body and the stranded line sinle silk, can fill the hollow volume between clamping body and the stranded line simultaneously, improve wire efficiency.

The utility model discloses further set up to: and the third conductive block is provided with an arc-shaped wire slot.

Through adopting above-mentioned technical scheme, can further increase the area of contact between clamping body and the stranded line sinle silk, curved wire casing also can reduce the clamping body to the injury of sinle silk, the life of extension sinle silk with circular shape sinle silk looks adaptation simultaneously.

To sum up, the beneficial effects of the utility model are that: the multi-strand wire core is plugged into the wire nose through the movable opening, so that the exposed wire core is avoided, and the safety is high; meanwhile, the contact area is enough to ensure the stability of the electric conduction; the damage to the wire core is small, and the service life of the wire core can be prolonged.

Drawings

Fig. 1 is a schematic cross-sectional structure diagram of an embodiment of the present invention;

fig. 2 is a schematic structural view of an opening of an insulating cylinder according to an embodiment of the present invention;

wherein the reference numerals are: 1-wiring hole, 2-conductive cylinder, 3-insulating cylinder, 4-clamping body, 5-torsion spring, 6-first conductor, 7-second conductor, 8-third conductor, 81-wire groove and 9-raised strip.

Detailed Description

Embodiments of the present invention are further described with reference to fig. 1 to 2.

The utility model provides a movable open-ended line nose, including wiring hole 1 and copper guide electric barrel 2, copper guide electric barrel 2 bonds and has the insulating barrel 3 of mica system, there are two torsion spring 5 through high temperature glue joint on the 3 inner walls of insulating barrel, two torsion spring 5 respectively bond through high temperature glue and have one and stretch into the inside cramping body 4 of guide barrel, cramping body 4 sets up and constitutes a circular shape movable part at insulating barrel opening part annular, cramping body 4 makes cramping body 4 can open and shut and adjust the movable part opening size through torsion spring 5 and 3 inner wall connection of insulating barrel, make under opening inside torsion spring 5's effect, the opening of cramping body 3 supports the movable part that makes its constitute and is greater than insulating barrel 3 outside outer opening, make things convenient for the stranded wire to fill in inside guide barrel 2 with the sinle silk is whole. When the stranded wire is all stuffed into inside the conductive cylinder body 2, the stranded wire backs down the inner opening that the movable part is in the conductive cylinder body 2 inside, because the clamping body 4 constitutes a lever through torsion spring 5 and 6 inner wall connections of insulating cylinder body, the opening is backed down in the movable part, the outer opening of movable part reduces gradually under the effect of lever, make and add the body 4 and tightly clip the stranded wire, add the body 4 and stretch into the inside one end of conductive cylinder body 2 and also contact with conductive cylinder body 2 inside, the area of contact of stranded wire and conductive cylinder body 2 has been increased indirectly, conductive stability has been guaranteed. The torsion spring is positioned at the opening of the insulating cylinder, the length of the part of the clamping body 4, which is exposed out of the insulating cylinder 3, accounts for 1/3 of the total length, the fulcrum of a lever formed by the torsion spring 5 and the clamping body 4 can be positioned at 1/3 of the clamping body, the length of one end, which is exposed out of the insulating cylinder 3, accounts for 1/3 of the total length, when the stranded wires are plugged into the conductive cylinder 2, the lever formed by the torsion spring 5 and the clamping body 4 becomes a labor-saving lever when the inner opening of the movable part is stressed and opened, and the force when the stranded wires are plugged into the conductive cylinder 2 can be saved. There is integrated into one piece's first conducting block 6 on the outer wall of the inside one end of the holding body stretch into conductive barrel 2, there is integrated into one piece and first conducting block 6 matched with second conducting block 7 on conductive barrel 2's the inner wall, there are a plurality of sand grips 9 of mutually supporting of integrated into one piece on first conducting block 6 and the second conducting block 7, single sand grip 9 is the rhombus post, it makes its cross-section be the cockscomb structure after closely arranging, can increase the area of contact of holding body 4 and conductive barrel 2, be favorable to electrically conductive stability, the stability of holding body 4 positions also can be guaranteed to mutual screens between the sand grip 9 simultaneously. There is integrated into one piece's third conducting block 8 on the inner wall that cramping body 4 stretched into 2 inside one ends of conductive cylinder, there is integrated into one piece's arc wire casing 81 on the third conducting block 8, can increase the area of contact between cramping body 4 and the stranded line sinle silk, can fill the hollow volume between cramping body 4 and the stranded line simultaneously, improve wire efficiency, simultaneously curved wire casing 81 also with circular shape sinle silk looks adaptation, can reduce the injury of cramping body to the sinle silk, prolong the life of sinle silk.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and the skilled in the art can carry out the common changes and replacements within the technical solution of the present invention.

Claims (6)

1. The utility model provides a movable open-ended line nose, includes wiring hole (1) and conductive cylinder body (2), its characterized in that, conductive cylinder body (2) extend has insulating cylinder body (3), be equipped with a plurality of cramping bodies (4) that stretch into conductive cylinder body (2) inside on insulating cylinder body (3) inner wall, cramping body (4) set up and constitute a circular shape movable part at insulating cylinder body (3) opening part annular, and cramping body (4) make cramping body (4) can open and shut and adjust the movable part opening size through torsion spring (5) and insulating cylinder body (3) inner wall connection.

2. An open-ended wire nose according to claim 1, characterized in that the torsion spring (5) is located at the opening of the insulating cylinder, and the length of the part of the clamping body (4) exposed out of the insulating cylinder (3) is 1/3 of the total length.

3. The wire nose with the movable opening according to claim 1, wherein the outer wall of one end of the clamping body (4) extending into the conductive cylinder body (2) is provided with a first conductive block (6), and the inner wall of the conductive cylinder body (2) is provided with a second conductive block (7) matched with the first conductive block (6).

4. A wire nose with movable opening according to claim 3, characterized in that the first conductive block (6) and the second conductive block (7) are provided with a plurality of mutually matched convex strips (9).

5. A wire nose with an active opening according to claim 1, characterized in that the inner wall of the end of the holding body (4) extending into the conductive cylinder is provided with a third conductive block (8).

6. A wire nose with an active opening according to claim 5, characterised in that the third conductive block (8) is provided with an arc-shaped wire slot (81).

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