CN215896829U - 10kV low-current quick-mounting plug and socket - Google Patents

Abstract

The utility model discloses a 10kV low-current fast-assembling plug and socket, which comprises an insulating base, wherein a conductive socket is arranged in the insulating base, a conductive plug is inserted in the conductive socket, and the conductive plug is connected with a cable, and is characterized in that: the insulating base is provided with a guide channel for the conductive plug to be inserted into the conductive socket, and the guide channel is in a gradually-reduced shape from the outside to the direction of the conductive socket; a stress cone is sleeved at the joint of the cable and the conductive plug and matched with the guide channel; the conductive plug is horn-shaped, and the horn mouth faces the cable. The utility model can ensure that the conductive plug can be accurately and rapidly inserted into the conductive socket, thereby preventing the insertion time from being overlong; the sealing performance is guaranteed, namely the plug inserted into the socket can be isolated from the outside, the entrance of external dust, water, salt mist and air is avoided, and the plug can reliably run under the protection level of IP 67. The utility model can be combined with an insulating structure and expanded to be used in other combined electrical appliances.

Description

10kV low-current quick-mounting plug and socket

Technical Field

The utility model belongs to the field of sockets, and particularly relates to a 10kV low-current quick-mounting plug and socket.

Background

The quick connection of the power cables in a 10kV switchgear assembly is achieved by means of a plug provided at the end of the cable and a socket provided in an insulating base. And elements such as low current elements (such as voltage transformers, lightning arresters, sensors and the like) are realized by arranging expansion sockets on the plug-in connector.

For the connection of a plug and a socket, high standards are also set in some places: 1. accurate and quick insertion is realized, and the insertion time is prevented from being overlong; 2. the sealing performance is ensured, namely, the plug inserted into the socket can be isolated from the outside, the entrance of external dust, water, salt mist and air is avoided, and the plug and the socket can run reliably under the protection grade of IP 67.

Disclosure of Invention

The utility model aims to solve the technical problem of the prior art and provides a 10kV low-current quick-mounting plug and socket which is reasonable in structural layout, accurate in plug insertion, capable of ensuring isolation of the plug and socket from the outside, safe and reliable.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a10 kV low-current fast-assembling plug and socket comprises an insulating base, wherein a conductive socket and a conductive bar are arranged in the insulating base, and the conductive bar is an intermediate conductor for connecting the conductive socket with other electrical appliances. The conductive plug is inserted in the conductive socket, and the conductive plug is connected with a cable, which is characterized in that: the insulating base is provided with a guide channel for the conductive plug to be inserted into the conductive socket, and the guide channel is in a gradually-reduced shape from the outside to the direction of the conductive socket; a stress cone is sleeved at the joint of the cable and the conductive plug and matched with the guide channel; the conductive plug is horn-shaped, and the horn mouth faces the cable. The stress cone is made of a novel insulating material with a high resistance value and a special process, and a semiconductor stress sleeve is not arranged inside the stress cone.

In order to optimize the technical scheme, the adopted measures further comprise:

the conductive plug comprises a ball part electrically connected to the end of the cable and a straight barrel part extended from the ball part and inserted into the conductive socket.

The ball head part is partially positioned in the conductive socket; the conductive socket comprises a sleeve sleeved outside the conductive bar, a conical cap gradually expanded from the sleeve to the cable direction, and a curled edge abutting against the ball head.

The above-mentioned bead is located at the edge of the conical cap and curls inward.

The conductive row is provided with a containing cavity for containing the straight cylinder part, the end part of the straight cylinder part is provided with split plum blossom petals, and the periphery of the plum blossom petals is provided with a bulge which is pressed against the inner wall of the containing cavity.

The curled top is arranged at the end part of the stress cone.

The conical cap is distributed with a plurality of round holes.

The diameter of the round hole is less than or equal to 8 mm.

The radius of the turned edge is more than or equal to 3 mm.

A box shell plate is arranged at the top of the outer end of the guide channel, a sealing ring is arranged between the insulating base and the box shell plate, and a screw for connecting the insulating base and the box shell plate is arranged on the periphery of the sealing ring; the box shell plate is provided with an external thread section positioned at the outer end of the guide channel, the external thread section is screwed with a fastening screw sleeve, and the fastening screw sleeve is provided with a limit convex ring which is propped against the stress cone.

Compared with the prior art, the 10kV low-current fast-assembling plug and socket comprises an insulating base, wherein a conductive socket is arranged in the insulating base, a conductive plug is inserted into the conductive socket, and the conductive plug is connected with a cable, and the fast-assembling plug and socket is characterized in that: the insulating base is provided with a guide channel for the conductive plug to be inserted into the conductive socket, and the guide channel is in a gradually-reduced shape from the outside to the direction of the conductive socket; a stress cone is sleeved at the joint of the cable and the conductive plug and matched with the guide channel; the conductive plug is horn-shaped, and the horn mouth faces the cable. The utility model can ensure that the conductive plug can be accurately and rapidly inserted into the conductive socket, thereby preventing the insertion time from being overlong; the sealing performance is ensured, namely, the plug inserted into the socket can be isolated from the outside, the entrance of external dust, water, salt mist and air is avoided, and the plug and the socket can run reliably under the protection grade of IP 67. The utility model can be combined with an insulating structure and expanded to be used in other combined electrical appliances.

The bulb part on the conductive plug can prevent point discharge and also can prevent the conductive plug from falling off from the stress cone.

The sleeve, the conical cap and the turned edge can facilitate accurate and quick insertion of the conductive plug and also can prevent point discharge of the conductive socket.

The plum blossom petal can ensure that the straight cylinder part is easily inserted into the containing cavity, and can ensure that the bulge can be always pressed on the inner wall of the containing cavity after connection, and the plum blossom petal has elasticity and firm contact.

The bulb portion is abutted to the curled edge, so that a user can feel the insertion change, and the impact of the conductive plug on the conductive socket can be buffered.

The sealing ring can prevent air and moisture from entering the conductive socket from a gap between the box shell plate and the insulating base, and the sealing ring can be arranged between the fastening screw sleeve and the screw thread section in the preferred scheme.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of FIG. 1;

FIG. 3 is an exploded schematic view of FIG. 2;

FIG. 4 is a still further exploded view of FIG. 3;

FIG. 5 is an exploded schematic view of FIG. 1;

FIG. 6 is a schematic diagram of a conductive plug;

FIG. 7 is an enlarged view of portion A of FIG. 2;

fig. 8 is a schematic view of the structure of the conductive socket.

Detailed Description

Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

Fig. 1 to 8 are schematic structural views of the present invention.

Wherein the reference numerals are: the cable comprises a cable 1, a fastening screw sleeve 2, a limiting convex ring 21, a stress cone 3, an insulating base 4, a guide channel 41, a conductive socket 5, a turned edge 51, a conical cap 52, a round hole 521, a sleeve 53, a conductive bar 6, a box shell plate 7, an external thread section 71, a screw 81, a sealing ring 82, a conductive plug 9, a ball head part 91, a straight cylinder part 92, a plum-petal 93 and a protrusion 931.

Fig. 1 to 8 are schematic structural diagrams of the present invention, and as shown in the drawings, the present invention provides a 10kV low current fast-assembling plug and socket, which includes an insulating base 4, a conductive socket 5 and a conductive bar 6 are arranged in the insulating base 4, and the conductive bar 6 is an intermediate conductor connecting the conductive socket 5 and other electrical appliances. Electrically conductive plug 9 has been inserted to electrically conductive socket 5, and electrically conductive plug 9 even has cable 1, characterized by: the insulating base 4 is provided with a guide channel 41 for the conductive plug 9 to be inserted into the conductive socket 5, and the guide channel 41 is in a tapered shape from the outside to the direction of the conductive socket 5; the stress cone 3 is sleeved at the joint of the cable 1 and the conductive plug 9, and the stress cone 3 is matched with the guide channel 41; the conductive plug 9 is trumpet-shaped with the horn mouth facing the cable 1. The stress cone 3 is an insulating material.

In the embodiment, as shown in fig. 2 to 7, the conductive plug 9 includes a ball portion 91 electrically connected to the end of the cable 1, and a straight tube portion 92 extended from the ball portion 91 and inserted into the conductive socket 5.

In an embodiment, as shown in fig. 2 and 7, the ball head 91 is partially located within the conductive socket 5; the conductive socket 5 comprises a sleeve 53 which is arranged outside the conductive bar 6, a conical cap 52 which is tapered from the sleeve 53 in the direction of the cable 1, and a bead 51 which abuts against a ball head 91, as shown in fig. 8.

In an embodiment, as shown in fig. 8, the bead 51 is located at the edge of the conical cap 52 and is curled inward.

In the embodiment, as shown in fig. 3 to 5, the conductive bar 6 is provided with a cavity for accommodating the straight cylinder 92, the end of the straight cylinder 92 is provided with a forked plum blossom 93, and the periphery of the plum blossom 93 is provided with a protrusion 931 which is pressed against the inner wall of the cavity.

In the embodiment shown in fig. 2 and 7, the bead 51 is placed on top of the end of the stress cone 3.

In an embodiment, as shown in fig. 8, the conical cap 52 is distributed with a plurality of circular holes 521. The circular holes 521 serve to firmly hold the conductive socket 5 in the insulating base 4 made of epoxy resin, and further serve to exhaust air, which is initially liquid epoxy resin and cures into solid epoxy resin over time during the epoxy resin curing process. This is a process of process chemistry variation.

In the embodiment, the diameter of the circular hole 521 is less than or equal to 8 mm.

In the embodiment, the radius of the curled edge 51 is more than or equal to 3 mm.

In the embodiment, as shown in fig. 1 to 5, a case plate 7 is disposed at the top of the outer end of the guide channel 41, a sealing ring 82 is disposed between the insulating base 4 and the case plate 7, and a screw 81 for connecting the insulating base 4 and the case plate 7 is disposed at the periphery of the sealing ring 82; the box shell plate 7 is provided with an external thread section 71 positioned at the outer end of the guide channel 41, the external thread section 71 is screwed with a fastening screw sleeve 2, and the fastening screw sleeve 2 is provided with a limit convex ring 21 which is propped against the stress cone 3.

While the preferred embodiments of the present invention have been illustrated, various changes and modifications may be made by one skilled in the art without departing from the scope of the utility model.

Claims (10)

1. The utility model provides a 10kV undercurrent fast-assembling plug and socket, includes insulating base (4), insulating base (4) in be equipped with electrically conductive socket (5) to and electrically conductive row (6), electrically conductive plug (9) have been inserted in electrically conductive socket (5), electrically conductive plug (9) even have cable (1), characterized by: the insulation base (4) is provided with a guide channel (41) for inserting the conductive plug (9) into the conductive socket (5), and the guide channel (41) is in a tapered shape from outside to the conductive socket (5); a stress cone (3) is sleeved at the joint of the cable (1) and the conductive plug (9), and the stress cone (3) is matched with the guide channel (41); the conductive plug (9) is horn-shaped, and the horn mouth faces the cable (1).

2. The 10kV low-current quick-mounting plug and socket as claimed in claim 1, wherein: the conductive plug (9) comprises a ball head part (91) connected to the end part of the cable (1) and a straight cylinder part (92) extended from the ball head part (91) and inserted into the conductive socket (5).

3. The 10kV low-current quick-mounting plug and socket as claimed in claim 2, wherein: the ball head part (91) is partially positioned in the conductive socket (5); the conductive socket (5) comprises a sleeve (53) sleeved outside the conductive bar (6), a conical cap (52) gradually expanded from the sleeve (53) towards the cable (1), and a curled edge (51) abutting against the ball head (91).

4. The 10kV low-current quick-mounting plug and socket as claimed in claim 3, wherein: the curled edge (51) is positioned at the edge of the conical cap (52) and is curled inwards.

5. The 10kV low-current quick-mounting plug and socket as claimed in claim 4, wherein: the conductive bar (6) is provided with a cavity for accommodating the straight cylinder part (92), the end part of the straight cylinder part (92) is provided with split plum blossom petals (93), and the periphery of the plum blossom petals (93) is provided with a bulge (931) which is pressed against the inner wall of the cavity.

6. The 10kV low-current quick-mounting plug and socket as claimed in claim 5, wherein: the curled edge (51) is arranged at the end part of the stress cone (3) in a propping manner.

7. The 10kV low-current quick-mounting plug and socket as claimed in claim 6, wherein: the conical cap (52) is distributed with a plurality of round holes (521).

8. The 10kV low-current quick-mounting plug and socket as claimed in claim 7, wherein: the diameter of the round hole (521) is less than or equal to 8 mm.

9. The 10kV low-current quick-mounting plug and socket as claimed in claim 8, wherein: the diameter of the turned edge (51) is more than or equal to 3 mm.

10. A 10kV low current quick connector plug and socket as claimed in any one of claims 1 to 9, wherein: a box shell plate (7) is arranged at the top of the outer end of the guide channel (41), a sealing ring (82) is arranged between the insulating base (4) and the box shell plate (7), and a screw (81) for connecting the insulating base (4) and the box shell plate (7) is arranged on the periphery of the sealing ring (82); the box shell plate (7) is provided with an external thread section (71) located at the outer end of the guide channel (41), the external thread section (71) is screwed with the locking thread sleeve (2), and the locking thread sleeve (2) is provided with a limit convex ring (21) which is propped against the stress cone (3).

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