Mechanical electrical equipment circuit breaker convenient for wiring

By designing a circuit breaker for easy wiring, the wiring structure of the front and rear housings is simplified, and the wiring efficiency and safety of the circuit breaker are improved, especially the operating convenience in low-light environments.

CN223245541UActive Publication Date: 2025-08-19SICHUAN POWER TRANSMISSION & TRANSFORMATION CONSTR
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422457041.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-11
Publication Date
2025-08-19
Estimated Expiration
2034-10-11

AI Technical Summary

Technical Problem

The wiring process of circuit breakers of mechanical and electrical equipment is complicated and requires the rotation of multiple sets of nuts to fix them. The operation is time-consuming and inconvenient to simplify.

Method used

A wiring structure including the front shell, the rear shell, the inner groove, the wiring head, the press plate, the threaded column, the connecting nut, the rubber gasket and the jack was designed. The wiring process is simplified by the matching of the press plate and the threaded column, and the safety and operation convenience are improved through the cover and the reflective strip.

Benefits of technology

The circuit breaker is simplified, the wiring efficiency is improved, and the use safety is enhanced and the operation convenience is facilitated in low-light environments.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223245541U_ABST
    Figure CN223245541U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of electrical equipment, and discloses a mechanical electrical equipment circuit breaker convenient for wiring, which comprises a front shell and a rear shell, and the front shell is fixedly arranged at the front end of the rear shell. When the mechanical and electrical equipment circuit breaker convenient for wiring is in wiring operation, wiring terminals are installed and fixed at the end positions of an upper connecting wire harness and a lower connecting wire harness respectively, and then the terminals are correspondingly inserted into connector lugs in inner grooves respectively; a first inserting hole and a second inserting hole in the pressing plate are inserted into the inner groove corresponding to the exteriors of the threaded column and the second inserting hole respectively, and finally two sets of rubber gaskets are arranged on the outer side of the threaded column in a sleeving mode and are screwed into the exterior of the threaded column through connecting nuts; according to the utility model, the pressing plate can be used to press and fix the wiring terminals on the three groups of connector lugs in the inner groove, multiple groups of wires can be fixed at the same time, the wiring process is simplified, quick wiring can be carried out on the open circuit, and the problem that simplified wiring of the circuit breaker is inconvenient is solved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of electrical equipment, in particular to a mechanical electrical equipment circuit breaker which is convenient for wiring. Background Art

[0002] A circuit breaker is a switching device that can close, carry and interrupt current under normal circuit conditions and can close, carry and interrupt current under abnormal circuit conditions within a specified time. It is a common electrical device widely used in mechanical power control systems.

[0003] However, during the wiring process of the mechanical electrical equipment circuit breaker after installation, the circuit breaker is provided with terminal blocks for the neutral wire, the live wire, and the ground wire. During wiring, after the wiring harness terminal is pressed into the wiring terminal inside the circuit breaker, a nut is required to press the wiring harness terminal tightly and fix it in the circuit breaker. During the wiring process, multiple sets of nuts are often required to be rotated to fix the upper and lower neutral wires and the live wires. The operation and wiring process is very cumbersome and time-consuming, which has shortcomings and is not convenient for simplifying the wiring of the circuit breaker.

[0004] Now, a novel mechanical electrical equipment circuit breaker that is easy to connect is proposed to solve the above-mentioned shortcomings. Utility Model Content

[0005] The purpose of the present utility model is to provide a mechanical electrical equipment circuit breaker that is easy to connect, so as to solve the problem in the above background technology that it is inconvenient to simplify the wiring of the circuit breaker.

[0006] To achieve the above objectives, the present invention provides the following technical solutions: a mechanical electrical equipment circuit breaker that facilitates wiring, comprising a front housing and a rear housing, wherein the front housing is fixedly mounted to the front end of the rear housing, and the top and bottom of the front end of the front housing are respectively provided with wiring structures for simplifying and quickly wiring the circuit breaker;

[0007] The wiring structure includes an inner groove, a wiring head, a pressure plate, a threaded column, a connecting nut, a first jack, a rubber gasket and a second jack. The top and bottom of the front end of the front shell are respectively provided with inner grooves, and the wiring head is fixed to the rear end of the inner groove. Threaded columns are fixed on both sides of the rear end of the inner groove. A pressure plate is provided inside the inner groove, and a second jack is provided inside the pressure plate. The first jack is provided inside both sides of the front end of the pressure plate. The front end of the threaded column passes through the interior of the first jack. The external thread of the threaded column is connected to a connecting nut, and a rubber gasket is provided at the rear end of the connecting nut.

[0008] Preferably, the wiring heads are arranged in three groups at equal intervals at the rear end inside the inner groove, the second sockets are opened in three groups at equal intervals on the pressure plate, the second sockets pass through the interior of the pressure plate, and the front ends of the wiring heads pass through the interior of the second sockets.

[0009] Preferably, the pressing plate is an insulating ceramic component.

[0010] Preferably, a cover is provided at the front end of the front shell, fixing frames are fixed on both sides of the top of the front end of the front shell, and connecting plates are fixed on both sides of the top of the cover.

[0011] Preferably, the connecting plate is hingedly connected to the interior of the fixing frame, the cover is a transparent acrylic component, and a protruding handle is fixed to the bottom end of the cover.

[0012] Preferably, a reserved groove is opened inside the front end of the front shell, and a reflective strip is adhered and fixed inside the reserved groove.

[0013] Preferably, an opening is provided inside the front end of the front shell, and a control handle is provided inside the front end of the rear shell.

[0014] Preferably, the front end of the control handle passes through the interior of the opening.

[0015] Compared with the prior art, the beneficial effects of the present invention are: the easy-to-wire mechanical electrical equipment circuit breaker not only realizes simplified wiring of the circuit breaker and convenient anti-accidental touch protection of the circuit breaker, but also realizes convenient auxiliary marking of the position of the circuit breaker switch assembly;

[0016] (1) After the circuit breaker is fixed inside the electrical box by providing a front shell, a rear shell, a terminal head, an inner groove, a pressure plate, a threaded column, a connecting nut, a first jack, a rubber gasket and a second jack, during the wiring operation, the terminal heads of the upper and lower connecting harnesses are respectively installed and fixed, and then the terminals are respectively inserted into the terminal heads inside the inner groove, and then the first jack and the second jack inside the pressure plate are respectively inserted into the inner groove corresponding to the outside of the threaded column and the second jack, and finally two sets of rubber gaskets are put on the outside of the threaded column and screwed into the outside of the threaded column using the connecting nut, and then the terminal heads on the three sets of terminal heads inside the inner groove can be pressed and fixed using the pressure plate, and multiple sets of wiring can be fixed at the same time, which simplifies the wiring process and facilitates quick wiring of the circuit breaker;

[0017] (2) By providing a front shell, a rear shell, an opening, a control dial handle, a fixing frame, a cover and a connecting plate, during the use of the circuit breaker after installation, a cover is hingedly installed on the outer side of the control dial handle at the front end of the front shell. By providing a certain number of covers, the outside of the control dial handle can be covered to prevent the circuit breaker from being accidentally touched during operation, resulting in abnormal power outages, thereby improving the safety of the circuit breaker during use. When operating the circuit breaker, the cover is flipped upward to expose the control dial handle for operation;

[0018] (3) By providing a front shell, a reflective strip and a reserved groove, when the circuit breaker is installed and used, a reflective strip is fixed in the reserved groove inside the front end of the front shell. The reflective strip can reflect light after being exposed to external light, and can assist in marking the control handle area at the front end of the front shell, making it convenient to quickly locate the position of the control handle for operation, thereby improving the operation convenience of the circuit breaker in some places with weak light conditions and at night. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the front cross-sectional structure of the present utility model;

[0020] Figure 2 This is a schematic diagram of a partial cross-sectional structure of the pressing plate of the present invention when viewed from above;

[0021] Figure 3 This is a schematic diagram of a partial cross-sectional structure of the cover of the present invention from a side view;

[0022] Figure 4 For this utility model Figure 1 A in the figure is an enlarged structural diagram.

[0023] In the figure: 1. Front shell; 2. Opening; 3. Control handle; 4. Fixing frame; 5. Inner groove; 6. Rear shell; 7. Terminal block; 8. Pressure plate; 9. Threaded column; 10. Connecting nut; 11. First jack; 12. Rubber gasket; 13. Second jack; 14. Cover; 15. Connecting plate; 16. Reflective strip; 17. Reserved groove. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] Example 1: Please refer to Figure 1-4 A mechanical electrical equipment circuit breaker that is easy to wire includes a front shell 1 and a rear shell 6. The front end of the rear shell 6 is fixedly mounted with the front shell 1. The top and bottom of the front end of the front shell 1 are respectively provided with wiring structures for simplifying and quickly wiring the circuit breaker.

[0026] The wiring structure includes an inner groove 5, a terminal head 7, a pressure plate 8, a threaded column 9, a connecting nut 10, a first jack 11, a rubber gasket 12 and a second jack 13. The top and bottom of the front end of the front shell 1 are respectively provided with an inner groove 5, and the terminal head 7 is fixed to the rear end of the inner groove 5. The threaded column 9 is fixed on both sides of the rear end of the inner groove 5. The inner groove 5 is provided with a pressure plate 8, and the pressure plate 8 is provided with a second jack 13. The first jack 11 is respectively provided on both sides of the front end of the pressure plate 8. The front end of the threaded column 9 passes through the interior of the first jack 11. The outer surface of the threaded column 9 is threadedly connected to the connecting nut 10, and the rear end of the connecting nut 10 is provided with a rubber gasket 12.

[0027] The terminal blocks 7 are arranged in three groups at equal intervals at the rear end of the inner groove 5. The second jacks 13 are opened in three groups at equal intervals on the pressure plate 8. The second jacks 13 pass through the interior of the pressure plate 8. The front ends of the terminal blocks 7 pass through the interior of the second jacks 13. The pressure plate 8 is an insulating ceramic component.

[0028] Specifically, if Figure 1 and Figure 2 As shown, during the wiring operation, the terminal ends of the upper and lower connecting harnesses are respectively installed and fixed, and then the terminals are respectively inserted into the wiring heads 7 inside the inner groove 5, and then the first jack 11 and the second jack 13 inside the pressure plate 8 are respectively inserted into the inner groove 5 corresponding to the outside of the threaded column 9 and the second jack 13. Finally, two sets of rubber gaskets 12 are inserted into the outside of the threaded column 9 and the connecting nut 10 is used to screw it into the outside of the threaded column 9. Then, the pressure plate 8 can be used to press and fix the wiring terminals on the three sets of wiring heads 7 inside the inner groove 5. Multiple sets of wiring can be fixed at the same time, which simplifies the wiring process and can quickly wire the circuit.

[0029] Example 2: A cover 14 is provided at the front end of the front shell 1. A fixing frame 4 is fixed to both sides of the top of the front end of the front shell 1. A connecting plate 15 is fixed to both sides of the top of the cover 14. The connecting plate 15 is hingedly connected to the inside of the fixing frame 4. The cover 14 is a transparent acrylic component. A protruding handle is fixed to the bottom end of the cover 14.

[0030] Specifically, if Figure 1 and Figure 3 As shown, a cover 14 is hingedly installed on the outer side of the control handle 3 at the front end of the front shell 1. By setting up the cover 14, the outside of the control handle 3 can be covered to prevent it from being accidentally touched during the operation of the circuit breaker, resulting in abnormal power outages, thereby improving the safety of the circuit breaker. When operating the circuit breaker, the cover 14 is flipped upward to expose the control handle 3 for operation.

[0031] Example 3: A reserved groove 17 is opened inside the front end of the front shell 1, and a reflective strip 16 is glued and fixed inside the reserved groove 17;

[0032] Specifically, if Figure 1 and Figure 4 As shown, a reflective strip 16 is fixed in a reserved groove 17 inside the front end of the front shell 1. The reflective strip 16 can reflect light after being exposed to external light, and can assist in marking the control handle 3 area at the front end of the front shell 1, so that the position of the control handle 3 can be quickly located for operation, thereby improving the operation convenience of the circuit breaker in some low-light conditions and at night.

[0033] An opening 2 is provided inside the front end of the front shell 1 , and a control handle 3 is provided inside the front end of the rear shell 6 . The front end of the control handle 3 passes through the opening 2 .

[0034] Working principle: After the circuit breaker of the utility model is installed and fixed inside the electrical box, during the wiring operation, the terminal ends of the upper and lower connecting wires are respectively installed and fixed, and then the terminals are respectively inserted into the wiring heads 7 inside the inner groove 5, and then the first jack 11 and the second jack 13 inside the pressure plate 8 are respectively inserted into the inner groove 5 corresponding to the outside of the threaded column 9 and the second jack 13. Finally, two sets of rubber gaskets 12 are inserted into the outside of the threaded column 9 and the connecting nut 10 is used to screw into the outside of the threaded column 9. Then, the pressure plate 8 can be used to press and fix the wiring terminals on the three sets of wiring heads 7 inside the inner groove 5. Multiple sets of wiring can be fixed at the same time, which simplifies the wiring process and quickly connects the circuit breaker. At the same time, when the circuit breaker is installed and used, a cover 14 is hingedly installed on the outer side of the control handle 3 at the front end of the front shell 1. By setting the cover 14, the outside of the control handle 3 can be covered to prevent the circuit breaker from being accidentally touched during operation, resulting in abnormal power outages. When operating the circuit breaker, the cover 14 is flipped upward to expose the control handle 3 for operation. When the circuit breaker is installed and used, a reflective strip 16 is fixed in the reserved groove 17 inside the front end of the front shell 1. The reflective strip 16 can reflect light after being exposed to external light, and can provide auxiliary marking for the control handle 3 area at the front end of the front shell 1, so that the position of the control handle 3 can be quickly located and operated.

[0035] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A mechanical electrical equipment circuit breaker convenient for wiring, comprising a front housing (1) and a rear housing (6), characterized in that: The front end of the rear housing (6) is fixedly mounted with a front housing (1), and the top and bottom of the front end of the front housing (1) are respectively provided with wiring structures for simplified and quick wiring of the circuit breaker; The wiring structure comprises an inner groove (5), a terminal head (7), a pressure plate (8), a threaded column (9), a connecting nut (10), a first jack (11), a rubber gasket (12) and a second jack (13), wherein the top and bottom of the front end of the front shell (1) are respectively provided with an inner groove (5), and the terminal head (7) is fixed at the rear end of the inner groove (5), and threaded columns (9) are respectively fixed on both sides of the rear end of the inner groove (5), a pressure plate (8) is provided inside the inner groove (5), and the second jack (13) is provided inside the pressure plate (8), and the first jack (11) is respectively provided inside both sides of the front end of the pressure plate (8), the front end of the threaded column (9) passes through the interior of the first jack (11), the outer thread of the threaded column (9) is connected to the connecting nut (10), and the rear end of the connecting nut (10) is provided with a rubber gasket (12).

2. A circuit breaker for mechanical electrical equipment that is easy to connect according to claim 1, characterized in that: The terminal heads (7) are provided in three groups at equal intervals at the rear end inside the inner groove (5), and the second jacks (13) are provided in three groups at equal intervals on the pressure plate (8). The second jacks (13) pass through the interior of the pressure plate (8), and the front ends of the terminal heads (7) pass through the interior of the second jacks (13).

3. The circuit breaker for mechanical electrical equipment that is easy to connect according to claim 1, characterized in that: The pressing plate (8) is an insulating ceramic component.

4. The circuit breaker for mechanical electrical equipment that is easy to connect according to claim 1, characterized in that: The front end of the front shell (1) is provided with a cover (14), fixing frames (4) are fixed on both sides of the top of the front end of the front shell (1), and connecting plates (15) are fixed on both sides of the top of the cover (14).

5. A circuit breaker for mechanical electrical equipment that is easy to connect according to claim 4, characterized in that: The connecting plate (15) is hingedly connected to the interior of the fixing frame (4); the cover (14) is a transparent acrylic component; a protruding handle is fixed to the bottom end of the cover (14).

6. The circuit breaker for mechanical electrical equipment that is easy to connect according to claim 1, characterized in that: A reserved groove (17) is provided inside the front end of the front shell (1), and a reflective strip (16) is adhered and fixed inside the reserved groove (17).

7. The circuit breaker for mechanical electrical equipment that is easy to connect according to claim 1, characterized in that: An opening (2) is provided inside the front end of the front shell (1), and a control handle (3) is provided inside the front end of the rear shell (6).

8. The circuit breaker for mechanical electrical equipment convenient for wiring according to claim 7, characterized in that: The front end of the control handle (3) passes through the interior of the opening (2).