CN115149312A - SF6 inflatable ring main unit quick-operation joint socket - Google Patents

Abstract

The invention discloses an SF6 inflatable ring main unit quick connector socket, which belongs to the technical field of electric power systems and comprises an insulating cap and a base body arranged at the bottom of the insulating cap, wherein the base body and the insulating cap are designed into a whole, the insulating cap comprises a shell B, an annular groove body is formed in the outer edge of the shell B, a ball is arranged in the annular groove body, a clamping cylinder is arranged in the base body in a matched mode with the ball, a plurality of through holes are formed in the clamping cylinder to accommodate the ball, and an outer limiting ring is arranged on one side, away from the shell B, of the ball. Through the insulator cap with the pedestal integration becomes dedicated integration socket, the installation is simple convenient, improvement work efficiency that can be very big to avoid the cleanness in the installation, scribble lubricating grease, a series of auxiliary work such as installation exhaust, can prevent the pollution of integration socket and insulator cap in each links such as transportation and storage, transportation, electric stable performance is reliable.

Description

A quick connector socket for SF6 inflatable ring network cabinet

technical field

The invention belongs to the technical field of electric power systems, and in particular relates to a quick connector socket of an SF6 inflatable ring network cabinet.

Background technique

SF6 ring main unit is a kind of air-insulated or gas-insulated medium-voltage electrical combined equipment with load switch as the core component, which can be freely combined into multiple loops in and out with the functions of switching, contacting and protecting the power system. Its main circuit core components are composed of SF6 load switch or additional circuit breakers and other primary auxiliary appliances.

As proposed in Publication No. CN101916934B, a quick power take-off socket for a ring main unit without power failure includes: an aluminum support pipe, an outer arc extinguishing pipe sleeved on the inner wall of the right end of the aluminum support pipe, and an outer arc extinguishing pipe sleeved on the outer arc extinguishing pipe. The inner arc extinguishing tube on the inner wall of the tube and the conductive rod sleeved on the inner wall of the left end of the aluminum support tube, the right end of the conductive rod forms a conductive plug connector, and the conductive plug connector is inserted into the left end of the aluminum support tube On the inner wall, the left end of the conductive rod is provided with a circular groove, and the inner wall is provided with a spring sheet. However, when the socket is in use, an insulating cap needs to be installed on the top of the plug alone, and before the insulating cap is installed, the operator needs to clean the connection between the plug and the insulating cap, apply grease, install exhaust and other auxiliary work, The work efficiency is low and the requirements for operators are high. For this reason, we propose a quick connector socket for SF6 inflatable ring main unit to solve the above problems.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a quick connector socket for SF6 inflatable ring main unit, in order to solve the problem that the existing SF6 inflatable ring main unit joint socket proposed in the above-mentioned background technology needs to be placed separately in the plug during use, because the socket is in use. The insulating cap is installed on the top, so that the work efficiency is low and the requirements for the operator are high.

In order to achieve the above purpose, the present invention provides the following technical solutions: an SF 6 inflatable ring network cabinet quick connector socket, comprising an insulating cap and a seat body provided at the bottom thereof, the seat body and the insulating cap are of an integrated design, and the insulating The cap includes a shell B, an annular groove body is formed on the outer edge of the shell B, balls are arranged in the annular groove body, and a clamping cylinder is provided in the seat body to match the balls, and a plurality of clamping cylinders are provided on the clamping cylinder. Each through hole accommodates the ball, the side of the ball away from the housing B is provided with an outer limit ring, a side wall of the outer limit ring close to the ball is provided with a raised block, and the bottom of the raised block is provided with a raised block. spring, the ball is pressed and fixed in the cavity formed by the annular groove and the through hole through the raised block, the bottom of the outer limit ring is provided with a hook, and the outer wall of the bottom of the clamping cylinder is matched with The hook is provided with a fixed pin shaft, and an adjusting ring is provided in the stepped annular groove formed between the clamping cylinder, the outer limit ring and the casing B.

Preferably, the inner wall of one side of the through hole close to the casing B is inclined toward its axis direction, and the diameter of the side of the through hole close to the casing B is smaller than the diameter of the ball.

Preferably, a casing A is installed on the outer wall of the casing B, a fixing cap is installed on the inner walls of the casing A and the casing B, and an annular clamping block is arranged on the curved surface of the fixing cap.

Preferably, the inner wall of the casing A and the casing B form an inner annular clamping groove at the connection.

Preferably, the inner wall of the inner annular clamping groove is clamped with the outer wall of the annular clamping block.

Preferably, a contact cap is installed on the inner wall of the fixing cap, and a conductive inner core is connected to the inner wall of the contact cap.

Preferably, a cylinder protrudes toward the bottom of the conductive inner core, and a sleeve is clamped to the bottom of the cylinder.

Preferably, a conductive column is installed inside the sleeve, and the bottom of the conductive column is in contact with the top of the wire inner core.

Preferably, a mounting table and a mounting plate are provided on the outside of the base body, four corners of the mounting table are provided with screws, and the screws are connected to the mounting table and the mounting plate by nuts.

Preferably, the ground wire drawn from the outer wall of the base body is connected to the screw rod.

Compared with the prior art, the beneficial effects of the present invention are:

1. The insulating cap and the base are integrated into a dedicated integrated socket, which is simple and convenient to install and does not require complicated assembly work. Just place the integrated quick socket on the reserved box hole and tighten the fixing nut. Completing the installation can greatly improve the work efficiency, and avoid a series of auxiliary tasks such as cleaning, smearing grease, and installing exhaust during the installation process. Link pollution, to ensure stable and reliable electrical performance.

2. The insulating cap and the device inside the base body are interlaced and fixed, so that the insulating cap and the base body form an integrated structure, the balls fix the insulating cap and the base body, and the step on one side of the shell B is in contact with the ring block. , the other side step of the shell B is in contact with the clamping cylinder and the adjusting ring, restricting the movement of the shell B, and fixing the shell B, so that the insulating cap and the seat are sealed and fixed, and the electrical performance is stable and reliable.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the enlarged structural schematic diagram of A place in Fig. 1 of the present invention;

3 is a schematic structural diagram of an insulating cap of the present invention;

4 is a schematic view of the side structure of the insulating cap of the present invention;

5 is a schematic cross-sectional structure diagram of an insulating cap of the present invention;

6 is a schematic diagram of a partial cross-sectional structure of the present invention;

Fig. 7 is the enlarged structural schematic diagram at B in Fig. 6 of the present invention;

FIG. 8 is a schematic diagram of the installation structure of the present invention.

In the figure: 1. Insulation cap; 11. Housing A; 12. Fixed cap; 13. Housing B; 14. Contact cap; 2. Base body; 21. Sleeve; 22. Conductive column; ; 24, ball; 25, outer limit ring; 26, adjustment ring; 27, spring; 28, fixed pin; 3, installation table; 4, ground wire; 5, screw; 6, installation plate.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

1-8, the present invention provides a technical solution: a quick connector socket for SF6 inflatable ring main unit, including an insulating cap 1 and a seat body 2 arranged at the bottom thereof, the seat body 2 and the insulating cap 1 are integrated design , the insulating cap 1 includes a shell B13, the outer edge of the shell B13 is provided with an annular groove body, a ball 24 is arranged in the annular groove body, and a clamping cylinder 23 is provided in the seat body 2 to match the ball 24, and the clamping cylinder 23 is provided with a plurality of Each through hole accommodates the balls 24. An outer limit ring 25 is provided on the side of the balls 24 away from the housing B13. A side wall of the outer limit ring 25 close to the balls 24 is provided with a raised block, and the bottom of the raised block is provided with a spring 27. The ball 24 is pressed and fixed in the cavity formed by the annular groove and the through hole through the raised block. The bottom of the outer limit ring 25 is provided with a hook, and the outer wall of the bottom of the clamping cylinder 23 is provided with a fixed pin 28 for the hook. An adjusting ring 26 is provided in the stepped annular groove formed between the tightening cylinder 23 , the outer limiting ring 25 and the housing B13 .

In this embodiment, when assembling the insulating cap 1 , rotate the outer limit ring 25 to align the hook and the fixing pin 28 , press the outer limit ring 25 , and rotate the outer limit ring 25 through the fixed pin 28 The hook and the outer limit ring 25 are fixed. When the outer limit ring 25 is pressed, the spring 27 is squeezed, the protruding block moves out of the through hole, and the insulating cap 1 is pressed into the seat body 2 for fixing, and the hook is separated from the fixing pin 28. , the spring 27 moves the outer limit ring 25 upward, so that the ball 24 is in the cavity formed by the annular groove body and the through hole, and the insulating cap 1 and the seat body 2 are fixed by the ball 24, so that the insulating cap 1 and the seat body 2 to form an integrated structure, the insulating cap 1 can be further fixed by screws or pins, and the balls 24 can be pressed and fixed by the raised blocks on the outer limit ring 25, so that the clamping cylinder 23, the shell B13 and the outer The limit ring 25 is fixed, so that the insulating cap 1 and the base body 2 are fixed to form a whole, and the electrical performance is stable and reliable. The integrated socket formed by the insulating cap 1 and the base body 2 is used in the ring network cabinet reserved for quick-plug connector unit cabinets Inside, flexible cables with quick-connect connectors can be easily connected.

Specifically, the inner wall of the side of the through hole close to the casing B13 is inclined toward its axis direction, and the diameter of the side of the through hole close to the casing B13 is smaller than the diameter of the ball 24 .

In this embodiment, the inner wall of the side of the through hole close to the housing B13 is inclined toward its axis and the diameter of the side is smaller than the diameter of the ball 24 to prevent the ball 24 from coming out of the through hole.

Specifically, the housing A11 is installed on the outer wall of the housing B13 , the fixing cap 12 is installed on the inner walls of the housing A11 and the housing B13 , and the curved surface of the fixing cap 12 is provided with an annular clamping block.

In this embodiment, the housing B13 and the housing A11 are both made of aluminum, the fixing cap 12 forms an outer shielding layer, and an annular block is provided on the fixing cap 12 to clamp and fix the internal devices of the insulating cap 1 .

Specifically, the inner walls of the housing A11 and the housing B13 form an inner annular clamping groove at the connection.

In this embodiment, the inner annular clamping groove is fixed to the fixing cap 12 .

Specifically, the inner wall of the inner annular clamping groove is clamped with the outer wall of the annular clamping block.

In this embodiment, the inner annular clamping groove interacts with the annular clamping block, so that the annular clamping block is fixed to the fixing cap 12, and the step on one side of the shell B13 contacts the annular clamping block, and the step on the other side of the casing B13 is in contact with the clamping block. The tight cylinder 23 and the adjusting ring 26 are in contact to restrict the movement of the casing B13 and fix the casing B13.

Specifically, a contact cap 14 is mounted on the inner wall of the fixing cap 12 , and a conductive inner core is connected to the inner wall of the contact cap 14 .

In this embodiment, the contact cap 14 forms an insulating layer.

Specifically, the conductive inner core has a cylinder protruding toward the bottom, and the bottom of the cylinder is clamped with a sleeve 21 .

In this embodiment, the conductive inner core protrudes from the conductive column 22 , and the conductive inner core is in contact with the conductive column 22 .

Specifically, a conductive column 22 is installed inside the sleeve 21 , and the bottom of the conductive column 22 is in contact with the top of the inner core of the wire.

In this embodiment, the bottoms of the conductive pillars 22 are in contact with the tops of the wire cores.

Specifically, a mounting table 3 and a mounting plate 6 are provided on the outside of the base body 2 , and four corners of the mounting table 3 are provided with screws 5 , and the screws 5 are connected to the mounting table 3 and the mounting plate 6 by nuts.

In this embodiment, the mounting plate 6 is provided with three holes, which can be installed with three sockets, and the installation can be completed by tightening the fixing nut during installation, which can greatly improve the work efficiency.

Specifically, the ground wire 4 drawn from the outer wall of the base body 2 is connected to the screw 5 .

In this embodiment, the ground wire 4 drawn from the base body 2 and the insulating cap 1 are grounded through the ground wire 4 .

The working principle and use process of the present invention: when assembling the insulating cap 1, rotate the outer limit ring 25 to align the hook and the fixed pin 28, press the outer limit ring 25, and rotate the outer limit ring 25 through the fixed The pin 28 fixes the hook and the outer limit ring 25. When the outer limit ring 25 is pressed, the spring 27 is squeezed, the raised block moves out of the through hole, and the insulating cap 1 is pressed into the seat body 2 for fixing. The pin 28 is separated, and the spring 27 moves the outer limit ring 25 upward, so that the ball 24 is located in the cavity formed by the annular groove body and the through hole, and the insulating cap 1 and the seat body 2 are fixed by the ball 24. The insulating cap 1 and the seat body 2 are fixed so that the insulating cap 1 and the seat body 2 form an integrated structure. The balls 24 are pressed and fixed, so that the clamping cylinder 23, the housing B13 and the outer limit ring 25 are fixed, and the inner annular clamping groove interacts with the annular clamping block, so that the annular clamping block is fixed to the fixing cap 12, and the shell B13 is fixed. One side step is in contact with the ring-shaped block, and the other side step of the shell B13 is in contact with the clamping cylinder 23 and the adjusting ring 26, which restricts the movement of the shell B13, fixes the shell B13, and further makes the insulating cap 1 and the base body. 2. It is fixed to form a whole, and the electrical performance is stable and reliable. The integrated socket formed by the insulating cap 1 and the base body 2 is used in the unit cabinet of the quick-plug connector reserved in the ring network cabinet, which can easily connect the flexible cable with the quick-connect connector. .

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. The utility model provides a SF6 aerifys looped netowrk cabinet quick-operation joint socket which characterized in that: including pedestal (2) that insulating cap (1) and bottom set up, pedestal (2) and insulating cap (1) design as an organic whole, insulating cap (1) is including casing B (13), the annular groove body has been seted up to the outer fringe of casing B (13), set up ball (24) in the annular groove body, cooperation ball (24) are provided with clamping cylinder (23) in pedestal (2), set up a plurality of through-holes on clamping cylinder (23) and hold ball (24), one side that casing B (13) were kept away from in ball (24) is provided with outer spacing ring (25), a lateral wall that outer spacing ring (25) are close to ball (24) is provided with protruding piece, the bottom of protruding piece is provided with spring (27), ball (24) pass through protruding piece compresses tightly to be fixed in the ring channel with in the cavity that the through-hole formed, the bottom of outer spacing ring (25) is provided with the couple, clamping cylinder (23) bottom outer wall cooperation is provided with fixed round pin axle (28), clamping cylinder (23) and outer spacing ring (25) and casing B (13) and between be provided with the echelonment recess that forms.

2. The SF6 inflatable ring main unit quick connector socket as recited in claim 1, wherein: the inner wall of one side of the through hole, which is close to the shell B (13), inclines towards the axis direction of the through hole, and the diameter of one side of the through hole, which is close to the shell B (13), is smaller than that of the ball (24).

3. The SF6 inflatable ring main unit quick connector socket as recited in claim 2, wherein: casing A (11) are installed to the outer wall of casing B (13), casing A (11) with locking cap (12) are installed to the inner wall of casing B (13), the curved surface of locking cap (12) is provided with annular fixture block.

4. The SF6 inflatable ring main unit quick-operation joint socket as recited in claim 3, wherein: the inner walls of the shell A (11) and the shell B (13) form an inner annular clamping groove at the joint.

5. The SF6 inflatable ring main unit quick-operation joint socket as recited in claim 4, wherein: the inner wall of the inner annular clamping groove is clamped with the outer wall of the annular clamping block.

6. The SF6 inflatable ring main unit quick connector socket as recited in claim 3, wherein: the inner wall of the fixed cap (12) is provided with a contact cap (14), and the inner wall of the contact cap (14) is connected with a conductive inner core.

7. The SF6 inflatable ring main unit quick connector socket as recited in claim 6, wherein: the conductive inner core is provided with a column body protruding towards the bottom, and the bottom of the column body is clamped with a sleeve (21).

8. The SF6 inflatable ring main unit quick connector socket as recited in claim 7, wherein: and a conductive column (22) is arranged in the sleeve (21), and the bottom of the conductive column (22) is contacted with the top of the conducting wire inner core.

9. The SF6 inflatable ring main unit quick connector socket as recited in claim 1, wherein: the outside of pedestal (2) is provided with mount table (3) and mounting panel (6), the four corners of mount table (3) all sets screw rod (5), screw rod (5) are connected through the nut mount table (3) and mounting panel (6).

10. The quick coupling socket of SF6 inflatable ring main unit as claimed in claim 9 wherein: and a grounding wire (4) is led out of the outer wall of the base body (2) and is connected with the screw rod (5).

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