CN109256625B - Wiring terminal strip capable of breaking voltage with electricity - Google Patents
Wiring terminal strip capable of breaking voltage with electricity Download PDFInfo
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- CN109256625B CN109256625B CN201710566454.9A CN201710566454A CN109256625B CN 109256625 B CN109256625 B CN 109256625B CN 201710566454 A CN201710566454 A CN 201710566454A CN 109256625 B CN109256625 B CN 109256625B
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- guide rod
- terminal
- block
- fixing block
- insulating guide
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
- H01R9/24—Terminal blocks
- H01R9/2425—Structural association with built-in components
- H01R9/2433—Structural association with built-in components with built-in switch
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Abstract
The invention discloses a wiring terminal strip capable of cutting off voltage in an electrified way, which comprises a terminal strip body, an insulating guide rod, a conductive communicating block, a compression spring and a guide rod fixing block, wherein the terminal strip body is provided with a wiring terminal at the side of an inlet wire and a wiring terminal at the side of a load, the guide rod fixing block is arranged on the terminal strip body and is positioned between the wiring terminal at the side of the inlet wire and the wiring terminal at the side of the load, the conductive communicating block and the guide rod fixing block are provided with piercing screw holes, the lower part and the upper part of the insulating guide rod are respectively provided with an external thread, the top surface of the insulating guide rod is provided with a twisting notch, the external thread at the lower part of the insulating guide rod is screwed in the piercing screw hole of the guide rod fixing block, the conductive communicating block is screwed in. The voltage of the wiring terminal block is divided, so that the non-power-off processing of the fault condition of the power transmission and distribution equipment is realized, the unplanned power failure accidents are reduced, and the operation safety of maintainers is ensured.
Description
Technical Field
The invention relates to a wiring terminal strip capable of electrically dividing voltage.
Background
The connecting terminal strip is an electrical component used for connecting a circuit in electrical equipment, the material, the type, the connection mode and the like of the connecting terminal strip are continuously updated, the use occasions are increasingly wide, the use is more and more convenient, and the functions are more and more powerful.
Firstly, in the electrified disjunction, a conductive slide block fixing screw needs to be unscrewed to drive a slide block to slide towards a wire inlet side, the process is time-consuming, the slide block cannot slide towards the wire inlet side when the slide block is dislocated with a slide rail at the wire inlet side and cannot realize the disjunction of voltage; secondly, the process of loosening the slide block fixing screw and moving the slide block to the terminal row wire inlet side is live-wire operation, the slide block fixing screw is too loose or not loose enough to be screwed, force is easily applied improperly in the slide block moving process, and accidents are easily caused.
The voltage circuit of the load such as important power transmission and distribution equipment of the power system, relay protection, metering and the like has faults, the risk of online processing is too high, the electric shock injury of maintainers and the short circuit accident of the voltage circuit can be caused, a reliable breaking point needs to be found in the voltage circuit, a wiring terminal block is the first choice, but the existing wiring terminal block has the problems even though a sliding block type terminal block also has the problems, so that how to realize the uninterrupted processing of the voltage fault load under the condition of ensuring the operation safety of the maintainers is realized, the unplanned power failure accident is reduced, and the problem of the design of the electrified disjunction wiring terminal block is the first consideration.
Disclosure of Invention
The invention aims to solve the technical problem of providing a connecting terminal block capable of breaking voltage in an electrified way, which realizes the uninterrupted power supply processing under the condition of load faults of power transmission and distribution equipment protection, metering and the like through the voltage breaking of the connecting terminal block, reduces the unplanned power failure accidents, ensures the operation safety of maintainers and avoids electric shock injuries and voltage loop short circuit accidents.
In order to solve the above technical problem, the terminal strip capable of breaking voltage with electricity of the invention comprises a terminal strip body, the terminal strip body comprises a wire inlet side terminal and a load side terminal, and also comprises an insulating guide rod, a conductive communicating block, a compression spring and a guide rod fixing block, the guide rod fixing block is arranged on the terminal strip body and is positioned between the incoming line side terminal and the load side terminal, the conductive communicating block and the guide rod fixing block are provided with piercing screw holes, the lower part and the upper part of the insulated guide rod are respectively provided with external threads, the top surface of the insulated guide rod is provided with a twisting notch, the lower external thread of the insulated guide rod is screwed on the piercing screw hole of the guide rod fixing block, the conductive communicating block is screwed on the upper external thread of the insulated guide rod and abuts against or is separated from the incoming line side terminal and the load side terminal, the compression spring is sleeved in the insulating guide rod and is positioned between the conductive communicating block and the guide rod fixing block.
Further, the guide rod fixing block comprises a cylinder and a conical round table, the small end face of the conical round table is arranged on the top face of the cylinder, the cylinder is provided with the through screw hole along the axial direction, the conical round table is provided with a through hole along the axial direction, and the through screw hole is coaxial with the through hole.
Further, the length of the external thread sections on the lower part and the upper part of the insulated guide rod is larger than the length of the through screw hole of the guide rod fixing block and the length of the screw hole of the conductive communicating block.
Furthermore, the screwing notch on the top surface of the insulating guide rod is a straight notch or a cross notch.
Furthermore, the insulating guide rod is pressed and screwed only by overcoming the pressure spring force, so that the insulating guide rod is connected to a threaded port of the guide rod fixing block, and the conducting communicating block realizes the breaking of the voltage on the line side and the load side of the terminal row.
The connecting terminal strip capable of electrically breaking voltage adopts the technical scheme, namely the connecting terminal strip comprises a terminal strip body provided with a terminal on the inlet wire side and a terminal on the load side, an insulating guide rod, a conductive communicating block, a compression spring and a guide rod fixing block, wherein the guide rod fixing block is arranged on the terminal strip body and is positioned between the terminal on the inlet wire side and the terminal on the load side, the conductive communicating block and the guide rod fixing block are provided with piercing screw holes, the lower part and the upper part of the insulating guide rod are respectively provided with external threads, the top surface of the insulating guide rod is provided with twisting notches, the external threads on the lower part of the insulating guide rod are screwed in the piercing screw holes of the guide rod fixing block, the conductive communicating block is screwed on the external threads on the upper part of the insulating guide rod and abuts against or is separated from the terminal on. The voltage of the wiring terminal block is divided, so that uninterrupted power supply processing under the conditions of load faults of power transmission and distribution equipment protection, metering and the like is realized, unplanned power failure accidents are reduced, the operation safety of maintainers is ensured, and electric shock injuries and voltage loop short circuit accidents are avoided.
Drawings
The invention is described in further detail below with reference to the following figures and embodiments:
fig. 1 is a schematic structural diagram of a terminal block capable of breaking voltage with electricity according to the present invention;
fig. 2 is a schematic view of the structure of an insulated conductor bar in the present terminal block;
fig. 3 is a schematic structural view of a guide rod fixing block in the terminal block row;
FIG. 4 is a schematic view of the present terminal block in communication between a terminal on the inlet side and a terminal on the load side;
fig. 5 is a schematic diagram of the disconnection between the line-side terminal and the load-side terminal of the terminal block.
Detailed Description
For example, as shown in fig. 1, 2 and 3, the terminal block capable of electrically dividing voltage according to the present invention includes a terminal block body 1, the terminal block body 1 includes a line-incoming side terminal 11 and a load side terminal 12, and further includes an insulating guide bar 2, a conductive communicating block 3, a pressure spring 4 and a guide bar fixing block 5, the guide bar fixing block 5 is disposed on the terminal block body 1 and located between the line-incoming side terminal 11 and the load side terminal 12, the conductive communicating block 3 and the guide bar fixing block 5 are provided with a threading screw hole 51, the lower portion and the upper portion of the insulating guide bar 2 are respectively provided with external threads 21 and 22 and the top surface is provided with a screwing notch 23, the lower external thread 21 of the insulating guide bar 2 is screwed into the threading screw hole 51 of the guide bar fixing block 5, the threading screw hole of the conductive communicating block 3 is screwed into the upper external thread 22 of the insulating guide bar 2 and abuts against or separates from the line-incoming side terminal 11 and the, the compression spring 4 is sleeved in the insulated guide rod 2 and is positioned between the conductive communication block 3 and the guide rod fixing block 5.
Preferably, the guide rod fixing block 5 comprises a cylinder 52 and a conical round table 53, the small end surface of the conical round table 53 is arranged on the top surface of the cylinder 52, the cylinder 52 is axially provided with the through screw hole 51, the conical round table 53 is axially provided with a through hole 54, and the through screw hole 51 is coaxial with the through hole 54.
Preferably, the lengths of the lower and upper external threads 21 and 22 of the insulated guide rod 2 are greater than the length of the through screw hole 51 of the guide rod fixing block 5 and the length of the screw hole of the conductive communication block 3.
Preferably, the screwing notch 23 on the top surface of the insulated guide rod 2 is a straight notch or a cross notch. The straight notch or the cross notch is convenient to screw the insulating guide rod by adopting a straight screwdriver or a cross screwdriver, so that the reliability of breaking operation is improved.
Preferably, the conductive communication block 3 realizes the voltage breaking of the terminal row line side terminal 11 and the load side terminal 12 by only pressing and screwing the insulated guide rod 2 against the spring force of the compression spring 4 to connect the insulated guide rod 2 to the threaded port 51 of the guide rod fixing block 5.
As shown in fig. 1, 4 and 5, a terminal 11 on the incoming line side of the terminal block is connected with a secondary side loop of a three-phase voltage transformer 6, when a fault on the load side needs to be disconnected, an insulating guide rod 2 is screwed, an external thread 21 section on the lower part of the insulating guide rod 2 is screwed into a piercing screw hole 51 of a guide rod fixing block 5, and meanwhile, a conductive communication block 3 is separated from the terminal 11 on the incoming line side and the terminal 12 on the load side by overcoming the resistance of a compression spring 4, so that the live disconnection of the terminal is realized; after the fault on the load side is relieved, the insulating guide rod 2 is reversely screwed, the conductive communicating block 3 abuts against the incoming line side wiring terminal 11 and the load side wiring terminal 12 under the thrust of the compression spring 4 and the action of the external thread 22 on the upper portion of the insulating guide rod 2, the wiring terminal row is communicated with the incoming line side and the load side, and the electrical equipment on the load side normally operates.
Claims (5)
1. The utility model provides a can divide binding post row of electric break voltage, includes the terminal row body, the terminal row body includes inlet wire side binding post and load side binding post, its characterized in that: the terminal strip comprises a terminal strip body and is characterized by further comprising an insulating guide rod, a conductive communicating block, a compression spring and a guide rod fixing block, wherein the guide rod fixing block is arranged on the terminal strip body and is located between a terminal on the incoming line side and a terminal on the load side, the conductive communicating block and the guide rod fixing block are provided with piercing screw holes, the lower portion and the upper portion of the insulating guide rod are respectively provided with external threads, screwing notches are formed in the top surfaces of the insulating guide rod lower portion and the insulating guide rod upper portion, the lower portion external threads of the insulating guide rod are screwed in the piercing screw holes of the guide rod fixing block, the conductive communicating block is screwed in the upper portion external threads of the insulating guide rod and abuts against or is separated from the terminal on the.
2. A terminal block capable of being charged with a breaking voltage according to claim 1, wherein: the guide rod fixing block comprises a cylinder and a conical round table, the small end face of the conical round table is arranged on the top face of the cylinder, the cylinder is provided with the piercing screw hole along the axial direction, the conical round table is provided with a through hole along the axial direction, and the piercing screw hole is coaxial with the through hole.
3. A terminal block capable of being charged with a breaking voltage according to claim 1 or 2, wherein: the lengths of the external thread sections on the lower part and the upper part of the insulated guide rod are greater than the length of the through screw hole of the guide rod fixing block and the length of the screw hole of the conductive communicating block.
4. A terminal block capable of being charged with a breaking voltage according to claim 1 or 2, wherein: the twisting notch on the top surface of the insulating guide rod is a straight notch or a cross notch.
5. A terminal block capable of being charged with a breaking voltage according to claim 1 or 2, wherein: the insulating guide rod is connected to a threaded port of the guide rod fixing block only by pressing and screwing the insulating guide rod against the force of a pressing spring, and the conducting communicating block realizes the breaking of the voltage on the line inlet side and the load side of the terminal row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710566454.9A CN109256625B (en) | 2017-07-12 | 2017-07-12 | Wiring terminal strip capable of breaking voltage with electricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710566454.9A CN109256625B (en) | 2017-07-12 | 2017-07-12 | Wiring terminal strip capable of breaking voltage with electricity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109256625A CN109256625A (en) | 2019-01-22 |
| CN109256625B true CN109256625B (en) | 2021-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710566454.9A Active CN109256625B (en) | 2017-07-12 | 2017-07-12 | Wiring terminal strip capable of breaking voltage with electricity |
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| CN (1) | CN109256625B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109581136A (en) * | 2017-09-29 | 2019-04-05 | 上海宝钢工业技术服务有限公司 | Current loop charges the anti-open circuit set of disjunction and method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2871322A (en) * | 1956-11-21 | 1959-01-27 | Westinghouse Electric Corp | Mounting means for contact members |
| FR2608850B1 (en) * | 1986-12-18 | 1989-04-28 | Fenninger Jean Pierre | CONNECTION BOX FOR ELECTRIC CABLES |
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2017
- 2017-07-12 CN CN201710566454.9A patent/CN109256625B/en active Active
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| CN109256625A (en) | 2019-01-22 |
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Address after: 3520 Tongji Road, Baoshan District, Shanghai 201900 Patentee after: Baowu equipment Intelligent Technology Co.,Ltd. Address before: 201900, 335, Pu Pu Road, Shanghai, Baoshan District Patentee before: SHANGHAI BAOSTEEL INDUSTRY TECHNOLOGICAL SERVICE Co.,Ltd. |
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