CN213520589U

CN213520589U - Dual-purpose type overhauls three-hole single-phase socket of power supply box

Info

Publication number: CN213520589U
Application number: CN202022818677.XU
Authority: CN
Inventors: 马子威; 陈刚; 莫钦森; 凃斌; 罗高; 王淦
Original assignee: State Grid Sichuan Electric Power Co Ltd
Current assignee: State Grid Sichuan Electric Power Co Ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-06-22
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses a dual-purpose formula overhauls three hole single-phase sockets of power supply box, the power distribution box comprises a box body, the box body includes base and shell, the cover is equipped with the moving part on the base, be provided with the swing arm on the base, the shell lock is on the base, swing arm axial one side is provided with the arch, the bulge is used for driving the moving part motion. The utility model has the advantages that: the power panel can be compatible with two wiring modes of a single-phase three-hole plug and a direct clamping connection of a lead wire, the disassembly and assembly operation of the power panel can be more conveniently realized aiming at the practical situation of one-wire work of a transformer substation, the working efficiency is improved, the cost is reduced, and the effect is very obvious; the spring with larger elasticity is adopted, the reliable connection between the plug and the lead can be ensured, the stability is good, and the buckle structure which is the same as that of a common air switch is adopted, so that the assembly and disassembly are convenient; the sliding block at the top of the socket and the rotary disc at the front are both designed to be anti-skidding, so that the operation difficulty is reduced; a 380V three-phase four-wire socket can be additionally fabricated according to this principle.

Description

Dual-purpose type overhauls three-hole single-phase socket of power supply box

Technical Field

The utility model relates to an electric power overhauls equipment technical field, concretely relates to dual-purpose maintenance power supply box three-hole single-phase socket.

Background

The working power supply in the field work of the transformer substation is required to be led out from the inherent maintenance power box. In the actual working process, a power supply is led out by a power supply disc commonly used, however, the power supply disc commonly used by a team can be directly connected into an overhaul power supply box through a lead according to different situations on site except that a national standard three-hole plug is used. The maintenance power box is a temporary power utilization device which integrates a three-phase socket, a single-phase socket, a direct-current socket and a corresponding protection device, allows current to be large, is arranged around a factory building and is convenient for inserting various electric tools, electrical equipment, illuminating lamps and the like during maintenance.

The maintenance power box commonly used in the present transformer substation generally has three forms: one is to directly install a single three-jack socket to meet the requirement of a three-jack plug; the other method is to reserve an air switch, and manual wiring is needed by workers when the air switch is used; in addition, a few substations are also provided with a composite type maintenance power box. The two methods have large limitations, influence on the construction operation efficiency, and the cost of the composite type maintenance power box is high. Therefore, the prior art is not beneficial to the improvement of safe production and working efficiency.

Therefore, need design a dual-purpose formula and overhaul power supply box three-hole single-phase socket, aim at, solve among the prior art can not compatible single-phase three-hole plug and lead wire directly press from both sides two kinds of mode of connection and lead to the defect that the operating efficiency is low simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that can not compatible single-phase three hole plugs and lead wire directly press from both sides simultaneously and connect two kinds of mode of connection and lead to the operating efficiency low among the prior art.

The utility model discloses a following technical scheme realizes:

the utility model provides a dual-purpose overhauls three hole single-phase sockets of power supply box, includes the box body, the box body includes base and shell, the cover is equipped with the moving part on the base, be provided with the swing arm on the base, the shell lock is on the base, swing arm axial one side is provided with the arch, the bulge is used for driving the moving part motion.

The first of the prior art is to directly install a single three-jack socket to meet the requirement of a three-jack plug; the second method is to reserve an air switch, and manual wiring is needed by workers when the air switch is used; in addition, a few substations are also provided with a composite type maintenance power box. However, the former two methods have large limitations and influence on the construction operation efficiency, and the third composite type maintenance power box has high cost. Therefore, the prior art is not beneficial to the improvement of safe production and working efficiency.

The utility model discloses increased moving part and swing arm, swing arm axial one side is provided with the arch, and the moving part realizes rotating with the swing arm is mutually supported, detachable live wire and zero line interface to insert live wire and zero line respectively according to the mode of connecing down of "zero right fire on a left side", realized compatible single-phase three hole plugs and the direct clamp of lead wire two kinds of mode of connections of connecing simultaneously.

Further, the moving part includes first moving part, second moving part and third moving part, the swing arm contacts with second moving part and third moving part, first moving part and ground wire interface connection, the moving part is triangle-shaped and lays on the base, and three the moving part uses the swing arm to close the swing arm as the center.

Furthermore, a raised vertical plate is vertically arranged on the base, the movable part is sleeved on the vertical plate in a clearance manner, and a slot is formed in the vertical plate;

the moving part clearance cover is established on the riser, and the moving part can carry out the activity of minizone on the riser, the slot is used for inserting three hole plugs, during the use, will overhaul the power cord and insert the socket through the interface at socket top, and it is fixed to screw up with the screw, when using single-phase three hole plugs, can directly insert the socket with the plug.

Furthermore, a sliding block is arranged on the first movable piece, one end of the sliding block is connected with the first movable piece, the other end of the sliding block extends outwards through an opening in the shell, and the extending part is used for pushing the first movable piece;

when the lead needs to be connected, the sliding block at the top of the socket slides leftwards to drive the first movable part above, the conducting strip of the ground wire interface and the conducting pressing sheet are separated, and the ground wire is inserted into the upper socket and then loosened, so that the ground wire is clamped tightly.

Furthermore, the movable part is connected to the base in a sliding manner through a spring;

the spring clip is used for restoring the moving part between the moving part and the base.

Furthermore, a conducting strip is arranged on the bottom edge of the slot, and a conducting pressing sheet is arranged on the inner wall of the moving part;

the protruding part of the rotary rod rotates to the lower part to jack the second movable part and the third movable part, when the movable jack part is jacked, the conducting plate and the conducting pressing piece are separated, then the live wire and the zero wire are respectively inserted according to the mode of connecting the left zero and the right fire, when the live wire and the zero wire are not jacked, the conducting plate and the conducting pressing piece are closed, and finally the rotary disc is rotated again to enable the live wire and the zero wire to be clamped tightly.

Furthermore, three gears are arranged on the periphery of the rotating rod, the three gears are meshed with the rotating rod together, the three gears are uniformly distributed along the circumferential direction of the rotating rod, and the three gears are meshed with the rotating disk;

the turntable drives the three gears to rotate, and the three gears drive the rotary rod to rotate.

Furthermore, the rotary table is arranged on the shell, the pressing plate is fixed on the shell and used for limiting the rotary rod, the rotary table and the gear, and a through hole for wiring is formed in the pressing plate;

the pressing plate is used for fixing the rotary rod and the gear, and the through hole can be used for inserting a live wire and a zero wire.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

1. the utility model relates to a dual-purpose formula overhauls three hole single-phase sockets of power supply box can compatible single-phase three hole plugs and the direct double-layered two kinds of mode of connections that connect of lead wire simultaneously, can realize the dismouting operation of power disc more portably to a line of work actual conditions of transformer substation, has improved work efficiency, has reduced the cost, and the effect is showing very.

2. The utility model relates to a dual-purpose formula overhauls three hole single-phase sockets of power supply box adopts the great spring of elasticity, can guarantee the reliable connection of plug and lead wire, and stability is good to adopt the buckle structure the same with general air switch, convenient loading and unloading.

3. The utility model relates to a dual-purpose overhauls three hole single-phase sockets of power supply box, the slider at socket top and positive carousel all have anti-skidding design to reduce the operation degree of difficulty.

4. The utility model relates to a dual-purpose formula overhauls three hole single-phase sockets of power supply box, this socket only are applicable to 220kV single phase current, also can make 380V three-phase four-wire socket in addition according to this principle.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a schematic view of the internal structure of the utility model.

Fig. 2 is a side view of the internal structure of the utility model.

Fig. 3 is a front view of the internal structure of the utility model.

Fig. 4 is a schematic view of the utility model with a cover.

Fig. 5 is a schematic view of the belt gear of the utility model.

1-base, 2-moving part, 21-first moving part, 22-second moving part, 23-third moving part, 3-rotary rod, 4-spring, 5-conducting plate, 6-conducting pressing plate, 7-sliding block, 8-rotary table, 9-pressing plate, 10-shell, 11-gear and 12-vertical plate.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.

Example 1

As shown in fig. 1-5, the utility model relates to a dual-purpose overhauls three hole single-phase sockets of power supply box, the power supply box comprises a box body, the box body includes base 1 and shell 10, the cover is equipped with moving part 2 on the base 1, be provided with swing arm 3 on the base 1, shell 10 lock is on

base

1, 3 axial one sides of swing arm are provided with the arch, the bulge is used for driving moving part 2 motion. Moving part 2 and swing arm 3 mutually support and realize rotating, and detachable live wire and zero line interface to insert live wire and zero line respectively according to the mode of connecing down of "zero right fire left", realized compatible single-phase three hole plugs and the direct clamp of lead wire and connect two kinds of mode of connections simultaneously.

Example 2

As shown in fig. 1 to 5, in this embodiment, based on embodiment 1, the movable members 2 include a first movable member 21, a second movable member 22, and a third movable member 23, the rotating rod 3 contacts with the second movable member 22 and the third movable member 23, the first movable member 21 is connected to a ground line interface, the movable members 2 are arranged on the base 1 in a triangular shape, and the three movable members 2 surround the rotating rod 3 with the rotating rod 3 as a center.

The base 1 is vertically provided with a raised vertical plate 12, the moving part 2 is sleeved on the vertical plate 12 in a clearance manner, and the vertical plate 12 is provided with a slot; 2 clearance covers of moving part establish on riser 12, and moving part 2 can carry out the activity of minizone on riser 12, the slot is used for inserting three hole plugs, during the use, will overhaul the power cord and insert the socket through the interface at socket top, and it is fixed to screw up with the screw, when using single-phase three hole plugs, can directly insert the socket with the plug.

A sliding block 7 is arranged on the first movable piece 21, one end of the sliding block 7 is connected with the first movable piece 21, the other end of the sliding block 7 extends outwards through an opening on the shell 10, and the extending part is used for pushing the first movable piece 21; when the lead needs to be connected, the sliding block 7 at the top of the socket slides leftwards to drive the upper first movable piece 21, the ground wire interface conducting strip 5 and the conducting pressing piece 6 are separated, and the ground wire is inserted into the upper insertion opening and then loosened, so that the ground wire is clamped.

The movable piece 2 is connected to the base 1 in a sliding manner through a spring 4; the spring 4 is sandwiched between the movable member 2 and the base 1 for restoring the movable member 2.

A conducting strip 5 is arranged on the bottom edge of the slot, and a conducting pressing sheet 6 is arranged on the inner wall of the moving piece 2; the protruding part of the rotary rod 3 rotates to the lower part to push the second movable part 22 and the third movable part 23 on the lower part, when the movable pushing part is pushed, the conducting strip 5 and the conducting pressing piece 6 are separated, then the live wire and the zero wire are respectively inserted according to the connection mode of 'left zero and right fire', when the live wire and the zero wire are not pushed, the conducting strip 5 and the conducting pressing piece 6 are closed, and finally the rotary disc 8 is rotated again to enable the live wire and the zero wire to be clamped tightly.

Three gears 11 are arranged on the periphery of the rotary rod 3, the three gears 11 are meshed with the rotary rod 3, the three gears 11 are uniformly distributed along the circumferential direction of the rotary rod 3, and the three gears 11 are meshed with the rotary disk 8; the turntable 8 drives the three gears 11 to rotate, and the three gears 11 drive the rotary rod 3 to rotate.

The rotary table 8 is arranged on a shell 10, the pressing plate 9 is fixed on the shell 10, the pressing plate 9 is used for limiting the rotary rod 3, the rotary table 8 and the gear 11, and a through hole for wiring is formed in the pressing plate 9.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a dual-purpose overhauls three hole single-phase sockets of power supply box, a serial communication port, including the box body, the box body includes base (1) and shell (10), the cover is equipped with moving part (2) on base (1), be provided with swing arm (3) on base (1), shell (10) lock is on base (1), swing arm (3) axial one side is provided with the arch, the bulge is used for driving moving part (2) motion.

2. The three-hole single-phase socket for the dual-purpose maintenance power box is characterized in that the movable members (2) comprise a first movable member (21), a second movable member (22) and a third movable member (23), the rotating rod (3) is in contact with the second movable member (22) and the third movable member (23), the first movable member (21) is connected with a ground wire interface, the movable members (2) are arranged on the base (1) in a triangular mode, and the three movable members (2) surround the rotating rod (3) by taking the rotating rod (3) as a center.

3. The three-hole single-phase socket for the dual-purpose maintenance power box according to claim 1, wherein the base (1) is vertically provided with a raised vertical plate (12), the moving member (2) is sleeved on the vertical plate (12) in a clearance manner, and the vertical plate (12) is provided with a slot.

4. A dual-purpose three-hole single-phase socket for an inspection power supply box according to claim 2, wherein the first movable member (21) is provided with a sliding block (7), one end of the sliding block (7) is connected with the first movable member (21), the other end of the sliding block (7) extends outwards through the opening on the housing (10), and the extending part is used for pushing the first movable member (21).

5. A dual-purpose service power box three-hole single-phase socket according to claim 1, characterized in that the moving member (2) is slidably connected to the base (1) by means of a spring (4).

6. A dual-purpose three-hole single-phase socket for an overhaul power supply box according to claim 3, wherein a conducting strip (5) is arranged on the bottom edge of the slot, and a conducting pressing sheet (6) is arranged on the inner wall of the movable member (2).

7. The three-hole single-phase socket for the dual-purpose maintenance power supply box according to claim 1, wherein three gears (11) are arranged on the periphery of the rotary rod (3), the three gears (11) are meshed with the rotary rod (3), the three gears (11) are uniformly distributed along the circumferential direction of the rotary rod (3), and the three gears (11) are meshed with the rotary disk (8).

8. The three-hole single-phase socket for the dual-purpose maintenance power box according to claim 7, wherein the rotary plate (8) is arranged on a shell (10), a pressing plate (9) is fixed on the shell (10), the pressing plate (9) is used for limiting the rotary rod (3), the rotary plate (8) and the gear (11), and a through hole for wiring is formed in the pressing plate (9).