Insulated terminal power-off device with high weather resistance

By designing a weather-resistant insulated terminal power-off device and adopting a combination structure of polymer and metal materials, the device achieves rapid and reliable circuit disconnection and connection, solving the problem of insufficient weather resistance of circuit disconnection devices in outdoor power environments and improving the safety and operational efficiency of electrical equipment.

CN223583250UActive Publication Date: 2025-11-21JIANGSU YANGZE ELECTROMECHANICAL SCI & TECH CO LTD
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Patent Information

Application Number
CN202423149133.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2025-11-21
Estimated Expiration
2034-12-19

AI Technical Summary

Technical Problem

In outdoor electrical environments, existing circuit disconnection devices lack sufficient weather resistance, making it difficult to guarantee the safety of electrical equipment, and their operation is not simple or quick enough.

Method used

A weather-resistant insulated terminal power-off device was designed, which adopts multiple single-unit wiring structures. Each structure includes a base, an insert, a connecting piece, a spinning assembly, and a plug. The circuit connection and disconnection are achieved by combining the spinning assembly and the plug. The combination of polymer materials and metal materials ensures the weather resistance and reliability of the device.

Benefits of technology

It enables rapid and reliable disconnection and connection of circuits, improves the safety and flexibility of outdoor electrical equipment, reduces operating costs, and is simple and efficient to operate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an insulating terminal power-off device with strong weather resistance, and belongs to the technical field of electrical devices. The device is simple in structure, convenient to assemble and use, and simple and fast in power-off operation. According to the device, the number of single wiring structures is determined according to specific application conditions, the insertion piece is inserted into the base body, the insertion piece connected with the electric wire is hung on the binding post and pressed through the spinning assembly, the pressed insertion piece is connected with the wiring piece embedded in the binding post in an attached mode, the lower end of the wiring piece is connected with the communication piece in an attached mode, and then communication of a circuit is achieved. According to the device, a circuit is disconnected in a pressing mode, operation is easy, the speed is high, efficiency is high, the inserting piece of the device can be flexibly replaced, the base body can be repeatedly used, the use cost is reduced, the inserting pieces of the device are connected and arranged in the mode that hanging and screwing pressing are combined, positioning is convenient, and reliability is high.
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Description

Technical Field

[0001] This utility model belongs to the field of electrical device technology, and in particular relates to a weather-resistant insulating terminal power-off device. Background Technology

[0002] In the electrical field, maintaining stable and safe circuit operation is of paramount importance. Safe and stable circuit operation ensures the healthy and stable operation of power supply equipment and electrical appliances. In circuit systems, timely and rapid circuit disconnection is an important means to ensure the safety of various electrical devices. Especially in outdoor power environments, where there are many uncontrollable factors, ensuring the safety and stability of electrical appliances is crucial. Timely circuit disconnection can effectively maintain the safety of electrical equipment, thus requiring a terminal block with power-off function to be used in circuit systems. Utility Model Content

[0003] To address the problems existing in the background technology, this utility model provides a weather-resistant insulating terminal power-off device. The device has a simple structure, is easy to assemble and use, and the power-off operation is simple and quick.

[0004] The technical solution adopted by this utility model to solve its technical problem is as follows: a weather-resistant insulating terminal power-off device, comprising multiple individual wiring structures, each of which includes a base, an insert, a connecting piece, two spinning assemblies, and two inserts. The base has a raised portion protruding upwards from the center of its top surface. Two mounting holes are formed on the top surface of the non-raised portion of the base. The connecting piece is horizontally placed and embedded inside the lower section of the base, with both ends inserted into the mounting holes and filling the bottom of the holes. The insert includes a cantilever and two terminals. The two terminals are integrally fixed at both ends of the cantilever, with the axes of the two terminals perpendicular to the surface of the cantilever. The cantilever is mounted on the top of the raised portion of the base. On the surface, two terminals are respectively fitted into two mounting holes, and the bottom of the terminals is pressed against the connecting piece. Threaded holes are opened along the axis on both terminals, and a connecting piece is embedded in the bottom of each terminal. One end of the connecting piece is fixedly attached to the outer bottom surface of the terminal, and the other end of the connecting piece is inserted into the threaded hole and fills the bottom of the threaded hole. Two spinning assemblies are respectively threaded into the two threaded holes. Slots are opened horizontally on both ends of the base, and the two slots are respectively connected to the two mounting holes. Two inserts are respectively inserted into the two slots and hooked onto the terminals. The spinning assemblies are screwed downwards to press the inserts and terminals for stable connection. Circuit connection is achieved through the stable contact of the connecting pieces and the connecting piece.

[0005] A recessed insertion groove is formed in the middle of the upper surface of the raised part of the base. A locking groove is formed at the bottom of the insertion groove. A limiting card is protruding from the lower surface of the middle part of the cantilever. The limiting card is suspended in the insertion groove and intermittently inserted into the locking groove.

[0006] Each of the spinning assembly includes a screw rod and a pressing block, the pressing block is rotatably installed at the lower end of the screw rod, a hanging notch is formed on the outer cylindrical surface of each of the terminal posts, the hanging notch is partially communicated with the threaded hole, and the pressing block is inserted into the hanging notch from the communicated part.

[0007] The hanging notch is provided with a sunken section away from the end of the slot, and the end of the inserted piece is matched with a downward right-angle bending shape.

[0008] The weather-resistant insulation terminal power-off device further comprises a cooperative rod and a fixing seat, a pull ring is fixedly arranged on the top surface of the middle part of the cantilever, a plurality of the single terminal structures are arranged in a line and detachably fixedly installed on the fixing seat, and the cooperative rod is movably inserted into the plurality of pull rings.

[0009] The single terminal structure of the device is detachably and fixedly connected to the fixing seat, and the number of the single terminal structures can be installed according to the specific situation of the power circuit, so that the device is high in flexibility; the single terminal structure of the device is selected to realize circuit disconnection in a pressing mode, so that the device is simple to operate, fast and high in efficiency; the inserted piece of the single terminal structure of the device can be flexibly replaced, the base body can be repeatedly used, and the use cost is reduced; the inserted piece of the device is connected and arranged in a combination of hanging and screwing and pressing, so that the device is convenient to position and high in reliability. BRIEF DESCRIPTION OF DRAWINGS

[0010] In the drawings:

[0011] Figure 1 is a schematic diagram of the installation layout effect in the on state of the utility model;

[0012] Figure 2 is a schematic diagram of the installation layout effect in the off state of the utility model;

[0013] Figure 3 is a schematic diagram of the internal layout in the on state of the single terminal structure of the utility model;

[0014] Figure 4 is a schematic diagram of the internal layout in the off state of the single terminal structure of the utility model;

[0015] Figure 5 is a schematic diagram of the inserted piece structure of the utility model;

[0016] Figure 6 is a sectional view of the base body structure of the utility model;

[0017] In the figure: 1, base body; 2, insert; 3, spinning assembly; 4, insert piece; 5, communication piece; 6, cooperative rod; 7, fixing seat; 11, insertion slot; 12, embedding slot; 13, clamping groove; 14, installation hole; 21, cantilever; 22, terminal post; 23, limiting clamp; 24, terminal piece; 25, pull ring; 26, threaded hole; 27, hanging gap; 31, screw rod; 32, compression block. DETAILED DESCRIPTION

[0018] The utility model will be explained further in detail in combination with the drawings. The drawings are all simplified schematic diagrams, and only the basic structure of the utility model is schematically shown, so it only shows the structure related to the utility model.

[0019] A weather-resistant insulation terminal power-off device, comprising a plurality of single wiring structures, each single wiring structure comprising a base body 1, an insert 2, a communication piece 5, two spinning assemblies 3 and two insert pieces 4, the top surface of the middle part of the base body 1 is upwardly protrudingly provided with a raised part, installation holes 14 are formed in the top surfaces of two places of the non-raised part of the base body 1, the communication piece 5 is horizontally placed and embedded in the inside of the lower section of the base body 1, the two ends of the communication piece 5 are inserted into the installation holes 14 and cover the hole bottoms of the installation holes 14, the insert 2 comprises a cantilever 21 and two terminal posts 22, the two terminal posts 22 are integrally and fixedly arranged at the two ends of the cantilever 21 respectively, the axes of the two terminal posts 22 are perpendicular to the plate surface of the cantilever 21, the cantilever 21 is placed on the top surface of the raised part of the base body 1, the two terminal posts 22 are respectively embedded and inserted into the two installation holes 14, the bottom of the terminal post 22 is abuttingly pressed on the communication piece 5, threaded holes 26 are formed in the two terminal posts 22 along the axes respectively, a terminal piece 24 is embedded in the bottom of the terminal post 22, one end of the terminal piece 24 is fixedly abutting on the outer bottom surface of the terminal post 22, the other end of the terminal piece 24 is inserted into the threaded hole 26 and covers the hole bottom of the threaded hole 26, two spinning assemblies 3 are respectively threadedly installed in the two threaded holes 26, insertion slots 11 are formed in the two end surfaces of the base body 1 along the horizontal direction respectively, the two insertion slots 11 are respectively communicated with the two installation holes 14, two insert pieces 4 are respectively inserted into the two insertion slots 11 and hung with the terminal posts 22, the spinning assembly 3 is downwardly screwed to top-press the insert piece 4 and stably connect with the terminal post 22, the circuit is communicated through the stably abutting terminal piece 24 and the communication piece 5.

[0020] The main body of the base 1 and the main body of the insert 2 are made of high polymer polymeric material with high weather resistance, the communication sheet 5, the insert sheet 4 and the wiring sheet 24 are made of metal material, the communication sheet 5 is injection molded and packaged in the base 1, the wiring sheet 24 is injection molded and fixed on the wiring post 22, the outer wall of the wiring post 22 is tightly fitted with the inner wall of the installation hole 14, the wiring post 22 is stably kept after being inserted into the installation hole 14 and cannot slide, the tail of the insert sheet 4 is connected with the electric wire in the form of clamping to realize the connection with the circuit of the electrical equipment.

[0021] The middle part of the upper surface of the raised part of the base 1 is provided with a sunken embedding groove 12, the groove bottom of the embedding groove 12 is provided with a clamping groove 13, the middle part of the lower surface of the cantilever 21 is provided with a limiting clamping 23, the limiting clamping 23 is suspended in the embedding groove 12 and intermittently inserted in the clamping groove 13.

[0022] When the limiting clamping 23 is suspended in the embedding groove 12 and not inserted in the clamping groove 13, the cantilever 21 is kept in the straight state and placed on the upper surface of the raised part of the base 1, the lower ends of the two wiring posts 22 are stably pressed on the communication sheet 5 to keep the communication of the circuit; when the limiting clamping 23 is inserted in the clamping groove 13, the middle part of the cantilever 21 is bent downward, the two ends of the cantilever 21 are limited by the overall length, so the two wiring posts 22 are pulled upward along the installation hole 14, which causes the lower end of the wiring post 22 to move upward and makes the wiring sheet 24 separate from the communication sheet 5, so as to disconnect the circuit.

[0023] Each of the spinning assemblies 3 comprises a screw rod 31 and a pressing block 32, the pressing block 32 is rotationally installed at the lower end of the screw rod 31, the outer circular surface of each of the wiring posts 22 is provided with a hanging notch 27, the hanging notch 27 is partially communicated with the threaded hole 26, the pressing block 32 is inserted in the hanging notch 27 from the communication part.

[0024] The end of the hanging notch 27 away from the slot opening of the insertion slot 11 is provided with a sunken section, the end of the insertion end of the insert sheet 4 is matched and provided in the form of downward right-angle bending, when the insert sheet 4 is inserted in the insertion slot 11, the positioning and verification of whether it is stably hung are realized through the mutual cooperation of the sunken section and the bending angle.

[0025] The weather-resistant insulation terminal power-off device further comprises a cooperative rod 6 and a fixed seat 7, the pull ring 25 is fixedly arranged on the top surface of the middle part of the cantilever 21, a plurality of the single wiring structures are linearly arranged and detachably fixedly installed on the fixed seat 7, the cooperative rod 6 is movably inserted in the plurality of pull rings 25, the cooperative rod 6 is selected and installed, when the cooperative rod 6 is installed, the plurality of single wiring structures can be synchronously controlled to synchronously perform the power-off operation, when the cooperative rod 6 is not installed, each single wiring structure independently performs the power-off operation.

[0026] Working principle: when assembling the single connection structure, the two connection posts 22 with the spinning assembly 3 on the insert 2 are stably inserted into the two installation holes 14, the lower end of the connection post 22 stably presses on the communication sheet 5, then the insert sheet 4 is inserted into the slot 11 and hung on the hanging gap 27, then the spinning assembly 3 is tightened to stably press the insert sheet 4 and the connection sheet 24, each single connection structure can communicate with a current path.

[0027] When the completed connection current path is powered off, the middle section of the cantilever 21 is pressed, the limiting card 23 in the embedded slot 12 is inserted into the card slot 13 to be clamped, because the length of the cantilever 21 is constant and the polymer material has a certain flexibility, the middle section of the cantilever 21 is bent downward, the two ends of the cantilever 21 pull the two connection posts 22 to be lifted, at this time, the connection sheet 24 and the communication sheet 5 are separated, and the current path is disconnected.

[0028] The cantilever 21 cannot be restored after the power-off operation, and the single connection structure needs to use a new insert 2 to reconnect the circuit for repeated use.

[0029] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can be changed and varied. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A weather-resistant insulated terminal de-energizer, characterized by: The utility model provides a kind of single body connection structure, including base (1), insert (2), communication sheet (5), two spinning components (3) and two inserts (4), the top surface of the base (1) is protruded and set up elevated portion in middle part, and the top surface of the base (1) is set up and is placed hole (14) in two places, the communication sheet (5) is embedded in the inside of the lower section of base (1) and is placed, and the both ends of communication sheet (5) are inserted in and are placed hole (14) and are full of the hole bottom of placement hole (14), the insert (2) includes cantilever (21) and two terminal posts (22), and the both ends of cantilever (21) are integrally fixed and set in two terminal posts (22) respectively, and the axis of two terminal posts (22) is perpendicular to the board surface of cantilever (21), and the cantilever (21) is placed on the top surface of the elevated portion of base (1), and two terminal posts (22) are embedded in two placement holes (14) respectively, and the bottom of terminal post (22) is attached and is pressed on communication sheet (5), and the both ends of two terminal posts (22) are set into threaded hole (26) along axis, and the bottom of terminal post (22) is embedded terminal sheet (24), and one end of terminal sheet (24) is fixed and attached on the outer bottom surface of terminal post (22), and the other end of terminal sheet (24) is inserted into threaded hole (26) and is full of the hole bottom of threaded hole (26), and two spinning components (3) are threaded in two threaded holes (26) respectively, and the both ends of base (1) are set into slot (11) along horizontal direction, and two slot (11) are communicated with two placement holes (14) respectively, and two inserts (4) are inserted in two slot (11) respectively and are hung with terminal post (22), and spinning component (3) is downwardly screwed and presses insert (4) and terminal post (22) to be stably connected, and the circuit communication is realized by stably abutting terminal sheet (24) and communication sheet (5).

2. The weather resistant insulated terminal disconnect device of claim 1, wherein: The upper surface of the elevated portion of base (1) is set into sunken embedding slot (12) in middle part, and the slot bottom of embedding slot (12) is set into clamping groove (13), and the lower surface of cantilever (21) is protruded and set into limiting card (23) in middle part, and limiting card (23) is hung in embedding slot (12) and is intermittently inserted in clamping groove (13).

3. The weather-resistant insulated terminal disconnect device of claim 1 or 2, wherein: Each spinning component (3) includes screw rod (31) and pressing block (32), and the lower end of screw rod (31) is rotatably installed in pressing block (32), and the outer circular surface of each terminal post (22) is set into hanging notch (27), and hanging notch (27) is partially communicated with threaded hole (26), and pressing block (32) is inserted in hanging notch (27) from communication place.

4. The weather resistant insulated terminal disconnect device of claim 3, wherein: The end of hanging notch (27) away from slot (11) is set into sunken section, and the end of insert (4) is matched and set into downward right-angle bending shape.

5. The weather resistant insulated terminal disconnect device of claim 4, wherein: The weather-resistant insulation terminal power-off device further comprises a cooperative rod (6) and a fixing base (7), a plurality of the single wiring structures are arranged in a line and are detachably and fixedly installed on the fixing base (7), and the cooperative rod (6) is movably and penetratingly arranged in the plurality of pull rings (25).