Molded case circuit breaker electric operating mechanism

Abstract

The utility model relates to an electric operating mechanism of a molded case circuit breaker. The technical problem to be solved by the utility model is to provide an electric operating mechanism of a molded case circuit breaker. According to the technical scheme, the operating mechanism comprises an operating mechanism shell, an operating mechanism wiring terminal strip and a transparent protection assembly, the operating mechanism shell is provided with a shell lower end face and a shell sinking groove, the middle of the shell sinking groove is provided with a shell external interface, the transparent protection assembly comprises a protection base and a protection cover plate, and the protection base is provided with a protective cover plate. The protective base comprises a base main board. The protective base has the advantages that the protective base is quickly connected with the operating mechanism shell by adopting a structure of the base elastic clamping hook and the inserting plate inserting block, tools are not required to be used in the mounting process, and the assembly efficiency is greatly improved; the protective cover plate is swingable, so that a user can quickly open the protective cover plate for wiring or maintenance without dismounting the protective cover plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to a molded case circuit breaker electric operating mechanism. BACKGROUND

[0002] The molded case circuit breaker electric operating mechanism is a kind of electrical equipment for controlling molded case circuit breaker, and the connection and breaking of molded case circuit breaker are realized by electric mode.The protective cover plate of the operating mechanism terminal block of the conventional molded case circuit breaker electric operating mechanism is connected with the protective base by screw thread connection mode at both ends, and the protective base is also fixed on the electric operating mechanism shell by screw, which needs multiple steps and tools, and the installation mode is time-consuming, and the assembly efficiency is reduced;When wiring or maintenance is needed, the user must unscrew multiple screws to open the protective cover plate, which is time-consuming and laborious, cannot be quickly installed and disassembled, increases the maintenance difficulty and is easy to lose the protective cover plate, and improvement and optimization are needed. UTILITY MODEL CONTENTS

[0003] To solve the above problems, the technical problem to be solved by the utility model is to provide a molded case circuit breaker electric operating mechanism.

[0004] The technical scheme of the molded case circuit breaker electric operating mechanism of the utility model is as follows: an operating mechanism shell, an operating mechanism terminal block installed in the operating mechanism shell and a transparent protective assembly covering the operating mechanism terminal block are included, characterized in that the operating mechanism shell is provided with a shell lower end face and a shell sunken groove, a shell external interface for wiring of the operating mechanism terminal block is arranged in the middle of the shell sunken groove, the transparent protective assembly includes a protective base and a protective cover plate, the protective base includes a base main plate attached to the outside of the shell lower end face, the upper end of the base main plate is inwardly bent to form a base first plug-in plate and a base second plug-in plate attached to the bottom of the shell sunken groove, a base let-in opening corresponding to the shell external interface is formed between the base first plug-in plate and the base second plug-in plate, plug-in plate plug blocks are arranged at the front ends of the base first plug-in plate and the base second plug-in plate, a base elastic clasp is arranged on the inner side of the base main plate, a shell insertion opening for insertion of the plug-in plate plug blocks is arranged at the shell sunken groove of the operating mechanism shell, a shell clasp opening for clamping of the base elastic clasp is arranged on the shell lower end face, and the protective cover plate is swingably arranged on the base second plug-in plate.

[0005] The middle part of the base main plate is outwardly and vertically bent to form a base extension plate corresponding to the shell external interface, base partition plates are arranged at intervals on the base extension plate, and base branch ports corresponding to wiring ports on the operating mechanism terminal block are formed between two base partition plates.

[0006] The outer end of the base extension plate is bent vertically upward to form an outer base baffle, and the outer base baffle is provided with outer baffle outlet holes at intervals corresponding to the base branch port.

[0007] The transparent protective assembly also includes a connecting shaft. The second insert plate of the base is provided with a swing docking seat. The swing docking seat is provided with a shaft slot. One end of the back of the protective cover is provided with an arc-shaped swing block. The arc-shaped swing block is provided with a shaft hole. The middle part of the connecting shaft passes through the shaft hole and its two ends are engaged in the shaft slot.

[0008] The protective cover is provided with a cover plate hook at the other end of its back, and the base first insert plate is provided with an insert plate snap-fit ​​seat, which is provided with a cover plate slot for the cover plate hook to snap into place.

[0009] The protective cover is made of transparent material.

[0010] The protective cover has a handle on the front for easy operation.

[0011] The advantages of this utility model's electric operating mechanism for molded case circuit breakers are as follows: the protective base adopts a structure of elastic hooks and insert blocks to quickly connect with the operating mechanism housing, eliminating the need for tools during installation and significantly improving assembly efficiency; the protective cover has a swingable design, allowing users to quickly open it for wiring or maintenance without disassembly, making operation simpler; the protective base optimizes the external wiring layout of the operating mechanism's terminal blocks, improving the reliability and safety of the equipment. Attached Figure Description

[0012] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0013] Figure 1 This is a front view of the electric operating mechanism of the molded case circuit breaker of this utility model;

[0014] Figure 2 This is an exploded view of the transparent protective component of this utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the housing of the operating mechanism of this utility model;

[0016] Figure 4 This is a front structural diagram of the protective base of this utility model;

[0017] Figure 5 This is a schematic diagram of the back structure of the protective base of this utility model;

[0018] Figure 6 This is a schematic diagram of the structure of the protective cover plate of this utility model. Detailed Implementation

[0019] like Figures 1-6 As shown, the electric operating mechanism of the molded case circuit breaker of this utility model includes an operating mechanism housing 1, an operating mechanism terminal block 2 installed inside the operating mechanism housing 1, and a transparent protective component 3 covering the operating mechanism terminal block 2. The operating mechanism housing 1 has a lower end face 10 and a recessed groove 9. The recessed groove 9 has an external interface 11 for wiring the operating mechanism terminal block 2. The transparent protective component 3 includes a protective base 5 and a protective cover 6. The protective base 5 includes a base main plate 13 attached to the lower end face 10 of the housing. The upper end of the base main plate 13 is bent inward to form a first base insert 14 and a second base insert 15 attached to the bottom of the recessed groove 9. A connection is formed between the first base insert 14 and the second base insert 15. The outer interface 11 of the housing corresponds to the base clearance opening 17. The front ends of the first base plate 14 and the second base plate 15 are both provided with plate insertion blocks 16. The inner side of the main base plate 13 is provided with a base elastic hook 18. The operating mechanism housing 1 is provided with a housing socket 19 for inserting the plate insertion blocks 16 at the housing recess 9. The lower end face 10 of the housing is provided with a housing slot 20 for engaging the base elastic hook 18. The protective cover 6 is swayably mounted on the second base plate 15. The protective base 5 adopts the structure of base elastic hook 18 and plate insertion blocks 16 to quickly connect with the operating mechanism housing 1. The installation process does not require the use of tools, which greatly improves the assembly efficiency. The protective cover 6 is swayable, so the user can quickly open the protective cover for wiring or maintenance without disassembly, making the operation simpler.

[0020] The base main board 13 is bent vertically outward from the middle to form a base extension plate 22 corresponding to the outer interface 11 of the housing. Base partition plates 23 are provided on the base extension plate 22 at intervals. A base branch port 24 is formed between the two base partition plates 23, which corresponds one-to-one with the wiring ports on the terminal block 2 of the operating mechanism. This not only protects the terminal block from external interference, but also optimizes the wiring layout and improves the reliability and safety of the equipment.

[0021] The outer end of the base extension plate 22 is bent vertically upward to form a base outer baffle 26, and the base outer baffle 26 is provided with outer baffle outlet holes 27 corresponding to the base branch port 24 at intervals.

[0022] The transparent protective assembly 3 also includes a connecting shaft 7. The second insert plate 15 of the base is provided with a swing docking seat 30. The swing docking seat 30 is provided with a shaft slot 31. One end of the back of the protective cover plate 6 is provided with an arc-shaped swing block 33. The arc-shaped swing block 33 is provided with a shaft hole 34. The middle part of the connecting shaft 7 passes through the shaft hole 34 and its two ends are engaged in the shaft slot 31. The swing structure is stable and reliable. Even in frequent operation, the protective cover plate will not be lost, ensuring the integrity and safety of the equipment.

[0023] The protective cover plate 6 has a cover plate hook 35 at the other end of its back, and the first insert plate 14 of the base has an insert plate snap seat 36. The insert plate snap seat 36 has a cover plate slot 37 for the cover plate hook 35 to snap into, so that the connection is reliable and firm.

[0024] The protective cover 6 is made of transparent material, which improves the visibility of the operation and makes it easier for users to observe the status of the terminal block 2 of the operating mechanism.

[0025] The protective cover 6 has a cover handle 39 on the front for easy operation by the user.

[0026] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model are included within the protection scope of the present utility model.

Claims

1. An electric operating mechanism for a molded case circuit breaker, comprising an operating mechanism housing (1), an operating mechanism terminal block (2) installed within the operating mechanism housing (1), and a transparent protective assembly (3) covering the operating mechanism terminal block (2), characterized in that: The operating mechanism housing (1) has a lower end face (10) and a recessed groove (9). The recessed groove (9) has an external interface (11) for wiring the terminal block (2) of the operating mechanism. The transparent protective assembly (3) includes a protective base (5) and a protective cover (6). The protective base (5) includes a base main plate (13) that fits against the lower end face (10) of the housing. The upper end of the base main plate (13) is bent inward to form a base first insert plate (14) and a base second insert plate (15) that fit against the bottom of the recessed groove (9). The base first insert plate (14) and the base second insert plate (15) are connected to the bottom of the recessed groove (9). A base clearance opening (17) corresponding to the outer interface (11) of the housing is formed between the plates (15). The front ends of the first base plate (14) and the second base plate (15) are provided with plate inserts (16). The inner side of the main base plate (13) is provided with a base elastic hook (18). The operating mechanism housing (1) is provided with a housing socket (19) for inserting the plate inserts (16) at the housing recess (9). The lower end face (10) of the housing is provided with a housing slot (20) for engaging the base elastic hook (18). The protective cover plate (6) is swayably provided on the second base plate (15).

2. The electrically operated mechanism for a molded case circuit breaker according to claim 1, characterized in that: The base main board (13) is bent outward vertically in the middle to form a base extension plate (22) corresponding to the outer interface (11) of the housing. Base partition plates (23) are provided on the base extension plate (22) at intervals. Base branch ports (24) are formed between the two base partition plates (23) and correspond one-to-one with the wiring ports on the terminal block (2) of the operating mechanism.

3. The electrically operated mechanism for a molded case circuit breaker according to claim 2, characterized in that: The outer end of the base extension plate (22) is bent vertically upward to form a base outer baffle (26), and the base outer baffle (26) is provided with outer baffle outlet holes (27) corresponding to the base branch port (24) at intervals.

4. The electrically operated mechanism for a molded case circuit breaker according to claim 1, characterized in that: The transparent protective assembly (3) also includes a connecting shaft (7), a swing docking seat (30) is provided on the second insert plate (15) of the base, a shaft slot (31) is provided on the swing docking seat (30), an arc-shaped swing block (33) is provided at one end of the back of the protective cover plate (6), a shaft hole (34) is provided in the arc-shaped swing block (33), the middle part of the connecting shaft (7) passes through the shaft hole (34) and its two ends are engaged in the shaft slot (31).

5. The electrically operated mechanism for a molded case circuit breaker according to claim 4, characterized in that: The protective cover (6) has a cover plate hook (35) at the other end of its back. The first insert plate (14) of the base has an insert plate receiving seat (36) and the insert plate receiving seat (36) has a cover plate slot (37) for the cover plate hook (35) to be engaged.

6. The electrically operated mechanism for a molded case circuit breaker according to claim 1, characterized in that: The protective cover (6) is made of transparent material.

7. The electrically operated mechanism for a molded case circuit breaker according to claim 1, characterized in that: The protective cover (6) has a cover handle (39) on the front for easy operation by personnel.

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