CN216214542U

CN216214542U - Special joint for high-voltage switch cabinet

Info

Publication number: CN216214542U
Application number: CN202122661049.XU
Authority: CN
Inventors: 陈红军; 赵文; 朱小建; 丁正生; 朱年华
Original assignee: Zhenjiang Jiuwang Electrical Equipment Co ltd
Current assignee: Zhenjiang Jiuwang Electrical Equipment Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-04-05
Anticipated expiration: 2031-11-02

Abstract

The utility model provides a special joint for a high-voltage switch cabinet, which comprises a joint shell, wherein one end of the joint shell is provided with a connector jack, the inner wall of the connector jack is provided with a threaded sleeve, the outer circumferential wall of the joint shell is provided with a stress cone, a conversion contact is arranged inside the joint shell, the other end of the joint shell is provided with a lead locking mechanism, the lead locking mechanism comprises a threaded joint, a nut and a locking block, the threaded joint is connected with the other end of the joint shell, the nut is sleeved on the threaded joint in a threaded matching manner, the threaded joint is provided with a plurality of movable grooves, the locking block is provided with movable grooves, and the bottom of the locking block is provided with a reset elastic sheet, so that the problems of larger volume and inconvenient installation of the conventional high-voltage switch cabinet joint are solved, the special joint is reasonable in structure, and the defect that the conventional joint supports a lead by means of large diameter and long length is overcome by reserving a structure for locking the lead, the volume of the joint is reduced.

Description

Special joint for high-voltage switch cabinet

Technical Field

The utility model discloses a special connector for a high-voltage switch cabinet, and relates to the technical field of connectors for high-voltage switch cabinets.

Background

In distribution network high-voltage switch cabinet, high-voltage box-type substation and other equipment, because of the miniaturization of equipment, the high-voltage switch cabinet is also made smaller and smaller, the switch cabinet space is reduced along with the equipment, and the cable connection between the switch cabinet and the outlet sleeve is difficult. The common cable connector is large in size and long in length, a connecting cable needs to be bent, when the bending radius is too small, the cable and the cable connector are easy to discharge, and a matching surface can be punctured when the bending radius is too small.

The existing high-voltage switch cabinet wire connector is large in size, large in length and diameter, large installation space needs to be reserved for a high-voltage switch cabinet, the connector is large in size, due to the fact that a wire locking structure is lacked, the past plug needs to be reserved with a large diameter, and a long length is reserved for supporting a wire, so that the problem that the high-voltage switch cabinet special connector is needed to solve the problem is solved urgently.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide the special joint for the high-voltage switch cabinet to solve the problems in the background art, the special joint is reasonable in structure, and overcomes the defect that the conventional joint supports a lead by virtue of a large diameter and a long length by reserving a structure for locking the lead, and the volume of the joint is reduced.

In order to achieve the purpose, the utility model is realized by the following technical scheme: a connector special for a high-voltage switch cabinet comprises a connector shell, wherein one end of the connector shell is provided with a connector jack, the inner wall of the connector jack is provided with a threaded sleeve, the outer circumferential wall of the connector shell is provided with a stress cone, a conversion contact is arranged inside the connector shell, and the other end of the connector shell is provided with a wire locking mechanism;

the wire locking mechanism comprises a threaded connector, a nut and a locking block, the threaded connector is connected to the other end of the connector shell, the nut is sleeved on the threaded connector through a thread fit sleeve, a plurality of movable grooves are formed in the threaded connector, the locking block is arranged in the movable grooves, and a reset elastic sheet is arranged at the bottom of the locking block.

Furthermore, the latch segment is the right trapezoid structure, the perpendicular waist of latch segment is carved with anti-skidding concave-convex line.

Furthermore, the reset elastic sheet is of an elastic structure, a slot is formed in the bottom of the movable groove, and one end, away from the locking block, of the reset elastic sheet is connected with the movable groove through the slot.

Furthermore, the stress cone is of an elastic structure and is made of insulating plastics.

Furthermore, an insulating layer is filled between the conversion contact and the inner wall of the joint shell, and the insulating layer is made of insulating plastics.

Furthermore, the thread bush is made of insulating plastics, and threads are arranged on the inner wall side of the thread bush.

The utility model has the beneficial effects that:

1. when the nut is rotated, the nut generates displacement relative to the threaded connector so as to press the inclined waist surface of the locking block, the locking block is extruded towards the inner side of the threaded connector, and the wire can be gripped by matching with the anti-skidding concave-convex lines;

2. the utility model discloses a reserve wire locking mechanism, remedied the defect that the past connects to rely on major diameter and longer length to support the wire, reduced the volume that connects.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural diagram of a special connector for a high-voltage switch cabinet according to the present invention;

FIG. 2 is a front sectional view of a special connector for a high voltage switch cabinet according to the present invention;

FIG. 3 is a schematic structural diagram of a locking block in a special joint for a high-voltage switch cabinet according to the present invention;

in the figure: the connector comprises a connector shell 1, a connector jack 2, a thread bush 21, a stress cone 3, a wire locking mechanism 4, a locking block 41, anti-skid concave-convex lines 411, a thread joint 42, a movable groove 421, a nut 43, a reset elastic sheet 44, a wire 5, a conversion contact 6, an insulating layer 61 and a connector plug 7.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: a special joint for a high-voltage switch cabinet comprises a joint shell 1, wherein a connector jack 2 is arranged at one end of the joint shell 1, a thread bush 21 is arranged on the inner wall of the connector jack 2, a stress cone 3 is arranged on the outer circumferential wall of the joint shell 1, a conversion contact 6 is arranged inside the joint shell 1, and a lead locking mechanism 4 is arranged at the other end of the joint shell 1, so that the problems that the joint of the traditional high-voltage switch cabinet is large in size and inconvenient to install are solved.

The lead locking mechanism 4 comprises a threaded joint 42, a nut 43 and a locking block 41, wherein the threaded joint 42 is connected to the other end of the joint shell 1, the nut 43 is sleeved on the threaded joint 42 in a threaded fit mode, the threaded joint 42 is provided with a plurality of movable grooves 421, the locking block 41 is provided with the movable grooves 421, the bottom of the locking block 41 is provided with a reset elastic sheet 44, and through the reserved structure for locking the lead 5, the defect that the past joint supports the lead 5 by means of large diameter and long length is overcome, and the size of the joint is reduced.

The locking block 41 is of a right-angled trapezoid structure, anti-skid concave-convex grains 411 are carved on the vertical waist surface of the locking block 41, when the nut 43 is rotated, the nut 43 generates displacement relative to the threaded connector 42, so that the inclined waist surface of the locking block 41 is pressed, the locking block 41 is extruded towards the inner side of the threaded connector 42, and the lead 5 can be gripped by matching with the anti-skid concave-convex grains 411.

The reset elastic sheet 44 is of an elastic structure, the bottom of the movable groove 421 is provided with a slot, one end of the reset elastic sheet 44, which is far away from the locking block 41, is connected with the movable groove 421 through the slot, and the reset elastic sheet 44 supports the locking block 41 to be always in contact with the inner wall of the nut 43, so that a lead 5 can be conveniently led in from among the locking blocks 41.

The stress cone 3 is of an elastic structure, the stress cone 3 is made of insulating plastics, and the stress cone 3 plays a role in insulating connection of the joint shell 1 and the high-voltage switch cabinet.

As an embodiment of the present invention: as shown in fig. 2, the connector plug 7 is connected to the threaded sleeve 21 by a screw-fit, and the rotation of the connector plug 7 is stopped until the conductive contact in the connector plug 7 comes into contact with one end of the transfer contact 6; peeling off the lead 5 to enable a part of the conductor of the lead 5 to leak out, rotating the nut 43 to the uppermost end of the threaded joint 42, and inserting the lead 5 downwards along the inner side of the locking block 41 until the conductor on the lead 5 is contacted with the conversion contact 6; at this time, the nut 43 is rotated downwards, the nut 43 generates displacement relative to the threaded joint 42, so that the inclined waist surface of the locking block 41 is pressed, the locking block 41 is extruded towards the inner side of the threaded joint 42 and is matched with the anti-skid concave-convex lines 411 to firmly bite the conducting wire 5, and finally, the joint shell 1 is inserted into a reserved mounting hole of the high-voltage switch cabinet along the stress cone 3; the utility model discloses a reserve wire locking mechanism, remedied the defect that the past connects to rely on major diameter and longer length to support the wire, reduced the volume that connects.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a special joint of high tension switchgear, includes joint shell (1), its characterized in that: a connector jack (2) is arranged at one end of the connector shell (1), a threaded sleeve (21) is arranged on the inner wall of the connector jack (2), a stress cone (3) is arranged on the outer circumferential wall of the connector shell (1), a conversion contact (6) is arranged in the connector shell (1), and a wire locking mechanism (4) is arranged at the other end of the connector shell (1);

wire locking mechanical system (4) include screwed joint (42), nut (43) and latch segment (41), screwed joint (42) are connected at the other end that connects shell (1), nut (43) are established on screwed joint (42) through screw-thread fit cover, a plurality of activity groove (421) have been seted up on screwed joint (42), latch segment (41) are provided with in activity groove (421), the bottom of latch segment (41) is provided with shell fragment (44) that resets.

2. The special joint for the high-voltage switch cabinet as claimed in claim 1, wherein: the locking block (41) is of a right-angle trapezoidal structure, and anti-skidding concave-convex lines (411) are carved on the vertical waist surface of the locking block (41).

3. The special joint for the high-voltage switch cabinet as claimed in claim 1, wherein: the reset elastic sheet (44) is of an elastic structure, a slot is formed in the bottom of the movable groove (421), and one end, deviating from the locking block (41), of the reset elastic sheet (44) is connected with the movable groove (421) through the slot.

4. The special joint for the high-voltage switch cabinet as claimed in claim 1, wherein: the stress cone (3) is of an elastic structure, and the stress cone (3) is made of insulating plastics.

5. The special joint for the high-voltage switch cabinet as claimed in claim 1, wherein: an insulating layer (61) is filled between the conversion contact (6) and the inner wall of the joint shell (1), and the insulating layer (61) is made of insulating plastics.

6. The special joint for the high-voltage switch cabinet as claimed in claim 1, wherein: the thread bush (21) is made of insulating plastic, and threads are arranged on the inner wall side of the thread bush (21).