CN219202985U

CN219202985U - External lock structure of external operating device, operating device and circuit breaker

Info

Publication number: CN219202985U
Application number: CN202223605576.XU
Authority: CN
Inventors: 叶晓朋; 侯志勤; 王晨淼; 毛昆明; 石舒霖; 任廷江; 邓意
Original assignee: Shangtu Electric Co ltd
Current assignee: Shangtu Electric Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-16
Anticipated expiration: 2032-12-30

Abstract

The application relates to an external locking structure of an external operating device, the operating device and a circuit breaker, and relates to the technical field of circuit breakers, the external locking structure of the external operating device comprises a shell for installing an energy storage key and a closing key, and a blocking component for forming a pressing limit position of the energy storage key and/or the closing key is slidably connected in the shell; the shell is connected with a blocking assembly which drives the blocking assembly in a sliding way, the blocking assembly comprises at least one padlock structure, and the padlock structure enters and exits the shell along with the sliding of the blocking assembly; when the padlock structure is positioned outside the shell, the blocking component forms the pressing limit of the energy storage key and/or the closing key, and when the padlock structure is positioned inside the shell, the blocking component is separated from the pressing limit position of the energy storage key and the closing key. The blocking component and the blocking component construct an external physical lock structure, so that the pressing of the energy storage key and the closing key can be limited, and the misoperation effect is avoided.

Description

External lock structure of external operating device, operating device and circuit breaker

Technical Field

The application relates to the technical field of related structures of low-voltage circuit breakers, in particular to an external locking structure of an external operating device, the operating device and the circuit breaker.

Background

The low-voltage circuit breaker mainly plays roles of overload, undervoltage and short-circuit protection of distribution lines and electric equipment. The plastic handle is arranged outside the low-voltage circuit breaker and can be manually operated to realize the opening or closing of the low-voltage circuit breaker.

In order to improve the intelligent degree of the low-voltage circuit breaker, the external handle of the low-voltage circuit breaker is subjected to structural optimization, namely the external electric operating device is used as an external accessory of the low-voltage circuit breaker, and the opening or closing of the low-voltage circuit breaker is controlled in an electric control mode.

The switching-on/off of the low-voltage circuit breaker directly affects the switching-on/off of the circuit, and under the condition that an external circuit needs to work continuously, the switching-on/off of the low-voltage circuit breaker can be caused by mistakenly touching a key, so that bad results are generated, and safety risks exist.

Disclosure of Invention

In order to solve the problem that an external operating device is easy to touch a key by mistake to cause unexpected opening and closing, the application provides an external locking structure of the external operating device.

The application provides an external operating device's outer lock structure adopts following technical scheme: the external lock structure of the external operating device comprises a shell for installing an energy storage key and a closing key, wherein a blocking component for forming the pressing limit position of the energy storage key and/or the closing key is connected in a sliding manner in the shell;

the shell is connected with a blocking assembly which drives the blocking assembly in a sliding way, the blocking assembly comprises at least one padlock structure, and the padlock structure enters and exits the shell along with the sliding of the blocking assembly;

when the padlock structure is positioned outside the shell, the blocking component forms the pressing limit of the energy storage key and/or the closing key, and when the padlock structure is positioned inside the shell, the blocking component is separated from the pressing limit position of the energy storage key and the closing key.

By adopting the technical scheme, the energy storage key and the closing key on the shell are used for triggering corresponding functions and actions respectively, and the blocking component directly blocks the movable paths of the energy storage key and/or the closing key from the physical structure, so that the functions of the two keys are blocked; the blocking component and the blocking component are in linkage relation, when the blocking component moves, the blocking component is directly or indirectly driven to move, of course, the blocking component and the blocking component can be in integral relation, the blocking component and the blocking component synchronously move, the blocking component can complete whole blocking and unlocking movement relative to the shell, when the padlock structure is positioned outside the shell, the padlock structure can be locked, the movement of the blocking component is restrained, the aim of locking is achieved, the blocking component corresponds to the pressing limit of the energy storage key and/or the closing key, otherwise, when the padlock structure is retracted in the shell, the blocking component can manually move or move by gravity or move by means of additional acting force, and the blocking component is separated from the pressing limit position of the energy storage key and the closing key. The integral external locking structure realizes the function that an external physical structure can be locked, thereby solving the problem that an external operating device is easy to touch a key by mistake to cause unexpected opening and closing.

Preferably, the blocking assembly includes a locking plate, a locking lever that is interlocked with the locking plate to push a trip key of the circuit breaker.

By adopting the technical scheme, the sliding of the lock plate can simultaneously link the lock rod to move, and the lock rod touches the tripping key when moving, so that the circuit breaker is helped to finish tripping action before locking, and the circuit breaker is safer.

Preferably, the padlock structure is a padlock hole on the lock plate.

Through adopting above-mentioned technical scheme, directly deposit the padlock hole on the jam plate, therefore the padlock position is clear and definite, and operating space is big, compares more convenient in epaxial padlock on the pole.

Preferably, the locking assembly further comprises a rotary lock tongue for receiving the lock plate and the lock rod, the rotary lock tongue is rotationally connected with the shell, and the rotary lock tongue comprises a driving end pushed by the lock plate and an actuating end for pushing the lock rod.

Through adopting above-mentioned technical scheme, accept through rotatory spring bolt between jam plate and the locking lever, rotatory spring bolt changes the direction of motion of jam plate and locking lever on the one hand, and the jam plate application of force of being convenient for, on the other hand, will not interfere the motion of locking lever after the jam plate gets into the casing for the locking lever resumes the activity degree of freedom.

Preferably, the blocking assembly comprises an inner baffle plate which is connected in the shell in a sliding way and an unlocking elastic piece which is used for pushing the inner baffle plate to be separated from the pressing limiting position.

Through adopting above-mentioned technical scheme, the fixed point direction of interior baffle in the casing, fixed point route slip, the interior baffle produces the motion through locking the subassembly, and reset relies on the unblock elastic component to realize, can put interior baffle from this, action that elasticity potential energy brought is also more timely.

Preferably, the shell is provided with an outer through groove communicated with the inner structure, and the inner baffle is blocked on the outer through groove through sliding.

By adopting the technical scheme, the outer through groove on the shell is used for exposing the internal structure, so that a specific tool can be inserted into the outer through groove for manual operation.

Preferably, the shell is slidably connected with an outer baffle, the outer baffle is used for shielding an outer through groove and forming the pressing limit of the energy storage key and/or the closing key, an operation block penetrating out of the shell is arranged on the outer baffle, and an operation groove for the operation block to slide is arranged on the shell.

Through adopting above-mentioned technical scheme, outer baffle can shelter from outer logical groove equally, reaches the purpose of the application point of shielding the operation, from this further restriction external operation guarantees overall structure's safety and avoids the maloperation.

Preferably, a hanger for locking the operation block is arranged on the shell close to the operation groove.

Through adopting above-mentioned technical scheme, hangers and operation piece cooperation, last padlock again can realize extra locking, under the condition that the jam plate did not lock, also can lock by the operation piece on the outer baffle, reached the purpose of dual insurance.

The application also provides an operating device, and an external lock structure applying the external operating device.

By adopting the technical scheme, the operating device is safer based on the outer lock structure; therefore, the problem that the external operating device is easy to touch keys by mistake to cause unexpected opening and closing is solved.

The application also provides a circuit breaker, and the operating device is applied.

By adopting the technical scheme, the breaker is safer based on the operating device; therefore, the problem that the external operating device is easy to touch keys by mistake to cause unexpected opening and closing is solved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the blocking component and the blocking component construct an external physical lock structure, so that the pressing of the energy storage key and the closing key can be limited, and misoperation is avoided;

2. the locking assembly is synchronously linked with the tripping key of the circuit breaker, so that the operation is safer;

3. the inner and outer baffles further block the outer channel of the housing, thereby limiting external manual operation.

Drawings

FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present application;

FIG. 2 is a schematic view of the internal structure of embodiment 1 of the present application;

FIG. 3 is a schematic view showing the structure of a lock plate and a lock lever according to embodiment 1 of the present application;

FIG. 4 is a schematic cross-sectional view of a barrier assembly embodying embodiment 1 of the present application;

FIG. 5 is a schematic view of a structure embodying the positional relationship of a blocking assembly and a blocking assembly according to embodiment 1 of the present application;

FIG. 6 is a schematic view of an outer baffle structure according to embodiment 1 of the present application;

fig. 7 is a schematic structural view showing an operation block and a hanger in embodiment 1 of the present application.

In the figure, 1, a circuit breaker; 11. a handle; 12. a trip key; 2. a housing; 21. closing a key; 22. an energy storage key; 23. an outer through groove; 24. hanging lugs; 25. an operation groove; 3. a blocking assembly; 31. an inner baffle; 311. an inner stopper; 32. an unlocking spring; 33. a receiving groove; 4. a lockout assembly; 41. a lock plate; 411. a hanging lock hole; 412. an inner pushing block; 42. a lock lever; 421. a return spring; 43. rotating the lock tongue; 431. a driving end; 432. an actuation end; 45. a return spring; 47. an outer baffle; 471. an operation block; 472. an outer stop.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

Example 1: referring to fig. 1, an external locking structure of an external operating device includes a housing 2, where the housing 2 is configured to house an energy storage button 22 and a closing button 21 to form an operating point for controlling a handle 11 of a circuit breaker 1 to turn. The energy storage of the external operating device and the opening action of the circuit breaker 1 are completed by pressing the energy storage key 22, and the closing action of the circuit breaker 1 is completed by pressing the closing key 21.

Referring to fig. 1 and 2, a blocking assembly 4 and a blocking assembly 3 are slidably connected in the housing 2, the blocking assembly 3 has a certain amount of sliding space, and the blocking assembly 3 can be blocked on a pressing path of the energy storage key 22 and the closing key 21 by sliding, so that functions of the energy storage key 22 and the closing key 21 are limited from a physical structure, or the blocking assembly is staggered in a sliding manner to release the limitation. The blocking assembly 4 directly or indirectly moves the blocking assembly 3, and the blocking assembly 4 has a padlock structure which moves in and out of the housing 2 by sliding of the blocking assembly 4. The blocking component 4 and the blocking component 3 can be one or more groups, so that the energy storage key 22 and/or the closing key 21 are/is subjected to multi-point independent or synchronous limit control.

Referring to fig. 3, the locking assembly 4 includes a lock plate 41, a rotary lock tongue 43, and a lock lever 42, both of which are slidably coupled to the housing 2, the rotary lock tongue 43 being rotatably coupled to the housing 2. The rotary latch 43 includes a driving end 431 and an actuating end 432 on an outer peripheral surface, the driving end 431 is abutted against the latch plate 41, and the actuating end 432 is abutted against the latch lever 42. When the latch plate 41 is pulled outwardly relative to the housing 2, the rotary latch 43 pushes the latch lever 42 against the trip key 12 to assist the circuit breaker 1 in breaking the circuit.

In order to allow the locking lever 42 to self-reset, i.e., to remove pressure even when the reset force of the trip key 12 itself is insufficient, referring to fig. 3, the locking lever 42 is sleeved with a reset spring 421, and the reset spring 421 will urge the locking lever 42 to slide back toward the trip key 12.

Referring to fig. 3, the padlock structure is a padlock hole 411 on the lock plate 41, when the lock plate 41 slides to the outside of the padlock hole 411 relative to the housing 2, the padlock hole 411 can be externally added with a padlock, so as to limit the sliding of the lock plate 41.

Referring to fig. 4 and 5, the blocking assembly 3 includes an inner barrier 31, an unlocking spring 32 pushing the inner barrier 31, the inner barrier 31 being slidable with respect to the housing 2, and two inner stoppers 311 being provided on the inner barrier 31. When the inner stopper 311 is on the pressing path of the energy storage key 22 and the closing key 21, the energy storage key 22 and the closing key 21 cannot be pressed. The lock plate 41 is provided with an inward extending inner push block 412, the inclined surface of the inner push block 412 abuts against the side surface of the inner baffle plate 31, when the inner push block 412 pushes the inner baffle plate 31, the unlocking spring 32 is compressed, and when the inner push block 412 is far away from the inner baffle plate 31, the potential energy of the unlocking spring 32 is released, and the inner baffle plate 31 slides towards the lock plate 41. Based on this, the sliding of the lock plate 41 will drive the sliding of the inner baffle 31, and the physical limitation of the energy storage key 22 and the closing key 21 is completed when the padlock is carried out on the padlock hole 411.

Referring to fig. 5, the inner barrier 31 is provided with a receiving groove 33 into which the unlocking spring 32 is separately seated, thereby ensuring the stability of the pushing force of the unlocking spring 32.

Referring to fig. 5 and 6, the housing 2 is provided with an outer through groove 23, and the outer through groove 23 communicates with the inner structure for an operator to use. The inner baffle 31 is slidably covered on the outer through groove 23 to block the inner and outer structures.

Referring to fig. 6 and 7, an outer baffle 47 is also slidably coupled within the housing 2, the outer baffle 47 being constructed similarly to the inner baffle 31 to achieve dual safety. The outer baffle 47 is provided with two outer baffles 472, and when the outer baffles 472 are positioned on the pressing paths of the energy storage key 22 and the closing key 21, the energy storage key 22 and the closing key 21 cannot be pressed. The outer stop block 472 is provided with an operation block 471 penetrating out of the shell 2, and the shell 2 is provided with an operation groove 25 for sliding the operation block 471; the shell 2 is also provided with a hanging lug 24, when the hanging lug 24 is aligned with the operation block 471, the outer through groove 23 is shielded, namely, in the state shown in fig. 7, the outer through groove 23 is closed, and the energy storage key 22 and the closing key 21 are limited to be pressed.

The implementation principle of the embodiment of the application is as follows: pulling the lock plate 41 to enable the padlock hole 411 of the lock plate 41 to be positioned outside the shell 2, at the moment, the inner baffle 31 in the interior is pushed, the inner baffle 311 limits the energy storage key 22 and the closing key 21, and the inner baffle 31 shields the outer through groove 23; pushing the operation block 471, the outer baffle 47 slides synchronously, the outer baffle 47 limits the energy storage key 22 and the closing key 21, and the outer baffle 47 shields the outer through groove 23. Both the lock plate 41 and the outer shield 47 may be padlock-mounted.

Example 2: an operating device to which the above embodiment 1 is applied.

Example 3: a circuit breaker to which the above embodiment 2 is applied.

The embodiments of this embodiment are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, in which like parts are denoted by like reference numerals. Therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides an external operating means's outer lock structure, includes casing (2) that supplies energy storage button (22) and closing button (21) to install, its characterized in that:

a blocking component (3) for forming a pressing limit position of the energy storage key (22) and/or the closing key (21) is connected in a sliding manner in the shell (2);

the shell (2) is connected with a blocking component (4) driving the blocking component (3) in a sliding way, the blocking component (4) comprises at least one padlock structure, and the padlock structure moves in and out of the shell (2) along with the sliding of the blocking component (4);

when the padlock structure is positioned outside the shell (2), the blocking component (3) forms the pressing limit of the energy storage key (22) and/or the closing key (21), and when the padlock structure is positioned in the shell (2), the blocking component (3) is separated from the pressing limit positions of the energy storage key (22) and the closing key (21).

2. The external operating device external lock structure according to claim 1, wherein the blocking assembly (4) comprises a lock plate (41), a lock lever (42) interlocked with the lock plate (41) to push a trip key (12) of the circuit breaker (1).

3. The external lock structure of the external operating device according to claim 2, characterized in that the padlock structure is a padlock hole (411) in the lock plate (41).

4. The external lock structure of an external operating device according to claim 2, wherein the locking assembly (4) further comprises a rotary lock tongue (43) receiving the lock plate (41) and the lock rod (42), the rotary lock tongue (43) being rotatably connected with the housing (2), the rotary lock tongue (43) comprising a driving end (431) pushed by the lock plate (41), an actuating end (432) pushing the lock rod (42).

5. The external lock structure of the external operating device according to claim 1, wherein the blocking assembly (3) comprises an inner baffle (31) slidably connected in the housing (2), and an unlocking elastic member for pushing the inner baffle (31) out of the pressing limit position.

6. The external lock structure of the external operating device according to claim 5, wherein the housing (2) is provided with an external through groove (23) communicating with the internal structure, and the internal baffle (31) is blocked on the external through groove (23) by sliding.

7. The external lock structure of the external operating device according to claim 6, wherein an external baffle plate (47) is slidably connected in the housing (2), the external baffle plate (47) is used for shielding an external through groove (23) and forming a pressing limit of an energy storage key (22) and/or a closing key (21), an operating block (471) penetrating out of the housing (2) is arranged on the external baffle plate (47), and an operating groove (25) for sliding the operating block (471) is arranged on the housing (2).

8. The external lock structure of the external operating device according to claim 7, wherein a hanger (24) for locking the operating block (471) is arranged on the housing (2) near the operating groove (25).

9. An operating device, characterized by an external lock structure using the external operating device according to claim 1.

10. A circuit breaker, characterized in that the operating device according to claim 9 is applied.