CN212659499U - Locking and unlocking mechanism of circuit breaker - Google Patents
Locking and unlocking mechanism of circuit breaker Download PDFInfo
- Publication number
- CN212659499U CN212659499U CN202021377431.7U CN202021377431U CN212659499U CN 212659499 U CN212659499 U CN 212659499U CN 202021377431 U CN202021377431 U CN 202021377431U CN 212659499 U CN212659499 U CN 212659499U
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- circuit breaker
- guard plate
- button
- locking
- unlocking mechanism
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Abstract
The utility model discloses a locking and release mechanism of circuit breaker relates to the circuit breaker field, and it includes button, wiring frame and guard plate, the guard plate lid dress is in on the wiring frame, the button is located directly over guard plate and wiring frame, be equipped with switch module between guard plate and the button, but switch module vertical movement wear to establish in the guard plate, switch module has and pushes up with the guard plate when the button is in not separating brake state and touches the cooperation and its lower extreme shows the first state that makes the unable dismantlement of circuit breaker outside the guard plate and insert the second state that the button made the circuit breaker can dismantle on its upper end when the button is in separating brake state and its lower extreme withdrawal guard plate. The utility model has the advantages of the assembly is reliable and stable work.
Description
Technical Field
The utility model relates to a circuit breaker field, concretely relates to locking and release mechanism of circuit breaker.
Background
The breaker is a switch capable of providing various protection functions, and can effectively improve the safety and reliability of electrical equipment and power lines. In order to meet the increasingly diversified demands of users, specification diversification and miniaturization of circuit breakers are a trend; the existing circuit breaker can directly carry out wiring operation under the condition that the circuit breaker is not opened and is not installed in place, so that the reliable and stable work of the circuit breaker is not facilitated, and potential safety hazards also exist; the existing circuit breaker has the risk of being pulled out by mistake in a power-on state after being installed in place, is not favorable for the reliable operation of the circuit breaker and electrical equipment, and has potential safety hazards.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of background art, the utility model provides a reliable and stable locking and release mechanism of work's circuit breaker of assembly.
The utility model discloses the technical scheme who adopts: the utility model provides a locking and release mechanism of circuit breaker, its includes button, connection frame and guard plate, the guard plate lid dress is in on the connection frame, the button is located directly over guard plate and connection frame, be equipped with switch module between guard plate and the button, but wearing to establish of switch module vertical movement in the guard plate, switch module has and touches the cooperation and its lower extreme reveals the first state that makes the unable dismantlement of circuit breaker outside the guard plate with the guard plate top when the button is in not separating brake state and its lower extreme inserts in the button and its lower extreme withdrawal guard plate makes the second state that the circuit breaker can dismantle when the button is in separating brake state its upper end.
The switch assembly comprises a bolt, a supporting boss is arranged in the middle of the protection plate, a through hole which is vertically arranged and is vertically communicated is formed in the supporting boss, the bolt is arranged in the through hole in a penetrating mode, and a slot corresponding to the bolt is formed in the lower end face of the button.
The switch module still includes the elastic component, the bolt is equipped with the first baffle to a lateral buckling, the guard plate adopts the fretwork setting in the position that supports the boss below, the wiring frame is equipped with and is located support the mount table under the boss, the elastic component both ends are contradicted the installation with mount table and first baffle respectively.
The support boss is provided with a limit groove for the first baffle to move up and down and surround the elastic piece, and the limit groove is communicated with the through hole.
The bolt is provided with a second baffle which is bent towards the other side and is used for manual operation.
The front of the supporting boss is provided with an elastic plate, and the front of the bolt extends out of a gear boss which is in contact with the lower end of the elastic plate.
The back of the protection plate is provided with a plurality of plug pins, and the wiring frame is provided with a plurality of mounting grooves corresponding to the plug pins.
The upper end face and the lower end face of the plug pin are respectively provided with an inserting port.
The first baffle, the second baffle, the plug-in port and the plug pin are integrally formed.
The elastic plate is in a hook shape, and a chamfer angle is arranged on the contact surface of the lower end of the elastic plate and the gear boss.
The utility model has the advantages that: according to the technical scheme, the switch assembly is in limit fit with the shell of the circuit breaker, so that the small circuit breaker is ensured to be assembled reliably and stably and prevented from being pulled out after being assembled in place; under the state that the circuit breaker is not opened, the cooperation is touched on switch module and guard plate top, prevents that the circuit breaker from installing in place, is favorable to further improving miniature circuit breaker's the reliable and stable work of assembly.
Drawings
Fig. 1 is a side view of a locking and unlocking mechanism of a circuit breaker according to an embodiment of the present invention.
Fig. 2 is a front view of a locking and unlocking mechanism of the circuit breaker.
Fig. 3 is a front view of the mating of the latch and slot in the locking and unlocking mechanism of the circuit breaker.
Fig. 4 is a schematic structural diagram of the button.
Fig. 5 is a schematic structural view of the guard plate.
Fig. 6 is a schematic structural view of the plug.
Fig. 7 is a schematic structural view of the wiring frame.
FIG. 8 is a front view of the latch not inserted into the button.
Figure 9 is a side view of the latch not inserted into the button.
Detailed Description
The embodiments of the present invention will be further explained with reference to the accompanying drawings:
as shown in the figures, a locking and unlocking mechanism of a circuit breaker comprises a button 1, a wiring frame 2 and a protection plate 3, wherein the protection plate 3 is covered on the wiring frame 2, the button 1 is positioned right above the protection plate 3 and the wiring frame 2, a switch assembly is arranged between the protection plate 3 and the button 1, the switch assembly is vertically movably arranged in the protection plate 3 in a penetrating way, and has a first state that the switch assembly is in top contact fit with the protection plate 3 when the button 1 is in a non-opening state and the lower end of the switch assembly is exposed outside the protection plate 3, so that the circuit breaker cannot be detached, and a second state that the upper end of the switch assembly is inserted into the button 1 and the lower end of the switch assembly is retracted into the protection plate 3 when the button 1 is in an opening state; according to the technical scheme, the switch assembly is in limit fit with the shell of the circuit breaker, so that the small circuit breaker is ensured to be assembled reliably and stably and prevented from being pulled out after being assembled in place; under the state that the circuit breaker is not opened, the cooperation is touched on switch module and guard plate top, prevents that the circuit breaker from installing in place, is favorable to further improving miniature circuit breaker's the reliable and stable work of assembly.
The switch component comprises a bolt 4, a supporting boss 31 is arranged at the middle position of the protection plate 3, the supporting boss 31 is provided with a through hole 32 which is vertically arranged and is vertically communicated, the bolt 4 is arranged in the through hole 32 in a penetrating way, the lower end surface of the button 1 is provided with a slot 11 corresponding to the bolt 4, the bolt can move up and down through stress, can be upwards inserted into the slot of the button and can be downwards inserted into a jack (not shown) of a cabinet, when the breaker is to be disassembled, the bolt can be operated, if the breaker is not in a brake separating state, the slot is not positioned right above the bolt, therefore, when the bolt moves up, a gear boss of the bolt and an elastic plate of the protection plate form a top contact matching, the elastic plate 34 is in a hook shape, the lower end of the elastic plate 34 is provided with a chamfer angle with the surface contacted with the gear boss 43, when the elastic plate is manually operated by a person to separate from, when the upper end of the bolt is blocked by the button and cannot move upwards, the elasticity of the elastic plate per se always has elastic force tending to the gear boss, and then the elastic plate returns to the position above the gear boss again to form top contact matching again under the guiding action of the chamfer, so that the lower end of the bolt cannot be separated from the jack of the breaker shell, and the breaker cannot be disassembled; if the button is in the state of opening the brake, the slot is right above the bolt, the bolt moves upwards and is inserted into the slot to limit the button, the lower end of the bolt leaves the jack of the cabinet, and at the moment, the breaker can not be switched on, and the breaker can be detached to leave the cabinet.
The upper end face and the lower end face of the bolt 4 are respectively provided with an inserting port 44.
Switch module still includes elastic component 5, bolt 4 is equipped with the first baffle 41 to a lateral buckling, the fretwork setting is adopted in the position that supports the boss 31 below to guard plate 3, wiring frame 2 is equipped with and is located support mount table 21 under the boss 31, 5 both ends of elastic component contradict the installation with mount table 21 and first baffle 41 respectively, elastic component 5 adopts the spring, the spring is contradicted and is provided a pretightning force for bolt upward movement between mount table and first baffle.
The supporting boss 31 is provided with a limiting groove 33 for the first baffle plate 41 to move up and down and surround the elastic part 5, and the limiting groove 33 is communicated with the through hole 32; the limiting groove provides a guiding effect for the movement of the bolt, and can also ensure the stable movement of the spring in the limiting groove, so that the occurrence of the accident situation of separation can be avoided.
The bolt 4 is provided with a second baffle 42 which is bent towards the other side and is used for manual operation; an elastic plate 34 is arranged on the front surface of the supporting boss 31, and a gear boss 43 contacted with the lower end of the elastic plate 34 extends out of the front surface of the bolt 4; the second baffle is used for manually placing fingers on the second baffle to press downwards so that the inserting port at the upper end of the plug pin overcomes the pretightening force of the spring and leaves the inserting groove of the button, the elastic plate and the gear boss form a limiting function, upward pretightening force provided by the spring is overcome, the bolt is kept inserted into the jack of the cabinet at the lower end inserting port under the condition of no manual operation, the elastic plate 34 is in a hook shape, a chamfer is arranged on the contact surface of the lower end of the elastic plate 34 and the gear boss 43, when the circuit breaker is not in a brake-off state, when a person manually operates the elastic plate to separate the elastic plate from the gear boss and the upper end of the bolt is blocked by the button and cannot move upwards, the elasticity of the elastic plate per se always has an elastic force tending to the gear boss, then, the elastic plate returns to the position above the gear boss again by the guiding function of the chamfer angle, so that the top contact matching is formed again.
The back of the protection plate 3 is provided with a plurality of pins 35, the wiring frame 2 is provided with a plurality of corresponding mounting grooves 22 of the pins 35, the pins are inserted in the mounting grooves, and the pins are provided with barbs, so that the anti-falling effect is achieved, and the mounting effect is good.
The working principle of the embodiment is as follows: after the breaker is pushed into the cabinet in place, the second baffle on the plug pin is pushed downwards, and the gear boss of the plug pin is clamped on the elastic plate of the protection plate; when the circuit breaker is to be disassembled, the elastic plate of the protection plate is pushed to move rightwards, and the gear boss of the bolt is unlocked; if the button is not opened at this time, the bolt is propped by the button and cannot move upwards, and the breaker cannot be disassembled; if the button has opened the floodgate, then the bolt can up move under the effect of spring, the bolt passes the through-hole of guard plate, and the grafting port of bolt upper end inserts in the slot of button, carries on spacingly to the button for the unable combined floodgate of circuit breaker, at this moment the rack can be extracted out to the circuit breaker.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The skilled person should understand that: although the present invention has been described in accordance with the above embodiments, the inventive concept is not limited to this embodiment, and any modification of the inventive concept will be included in the scope of the patent claims.
Claims (10)
1. A locking and unlocking mechanism of a circuit breaker, characterized in that: it includes button (1), wiring frame (2) and guard plate (3), guard plate (3) lid dress is in on the wiring frame (2), button (1) is located directly over guard plate (3) and wiring frame (2), be equipped with switch module between guard plate (3) and button (1), but the vertical removal of switch module wears to establish in guard plate (3), switch module has and pushes up with guard plate (3) when button (1) is in not separating brake state and touches the cooperation and its lower extreme and shows the first state that makes the unable dismantlement of circuit breaker outside guard plate (3) and insert in button (1) and its lower extreme withdrawal guard plate (3) the second state that makes the circuit breaker can dismantle on its upper end when button (1) is in having separated brake state.
2. The locking and unlocking mechanism of a circuit breaker according to claim 1, wherein: the switch module includes bolt (4), guard plate (3) intermediate position is equipped with support boss (31), support boss (31) are equipped with vertical setting and through-hole (32) that link up from top to bottom, bolt (4) wear to establish in through-hole (32), the terminal surface be equipped with under button (1) with slot (11) that bolt (4) correspond.
3. The locking and unlocking mechanism of a circuit breaker according to claim 2, wherein: switch module still includes elastic component (5), bolt (4) are equipped with first baffle (41) to a lateral buckling, guard plate (3) adopt the fretwork setting in the position that supports boss (31) below, wiring frame (2) are equipped with and are located support mount table (21) under boss (31), elastic component (5) both ends are contradicted with mount table (21) and first baffle (41) respectively and are installed.
4. The locking and unlocking mechanism of a circuit breaker according to claim 3, wherein: the supporting boss (31) is provided with a limiting groove (33) for the first baffle (41) to move up and down and surround the elastic piece (5), and the limiting groove (33) is communicated with the through hole (32).
5. The locking and unlocking mechanism of a circuit breaker according to claim 3, wherein: the bolt (4) is provided with a second baffle (42) which is bent towards the other side and is used for manual operation.
6. The locking and unlocking mechanism of a circuit breaker according to claim 2, wherein: the front surface of the supporting boss (31) is provided with an elastic plate (34), and the front surface of the bolt (4) extends out of a gear boss (43) contacted with the lower end of the elastic plate (34).
7. The locking and unlocking mechanism of a circuit breaker according to claim 2, wherein: the back of the protection plate (3) is provided with a plurality of pins (35), and the wiring frame (2) is provided with a plurality of mounting grooves (22) corresponding to the pins (35).
8. The locking and unlocking mechanism of a circuit breaker according to claim 2, wherein: the upper end face and the lower end face of the plug pin (4) are respectively provided with a plug port (44).
9. The locking and unlocking mechanism of a circuit breaker according to claim 3, wherein: the first baffle plate (41), the second baffle plate (42) and the plug port (44) are integrally formed with the plug pin (4).
10. The locking and unlocking mechanism of a circuit breaker according to claim 6, wherein: the elastic plate (34) is in a hook shape, and a chamfer is arranged on the contact surface of the lower end of the elastic plate (34) and the gear boss (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021377431.7U CN212659499U (en) | 2020-07-14 | 2020-07-14 | Locking and unlocking mechanism of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021377431.7U CN212659499U (en) | 2020-07-14 | 2020-07-14 | Locking and unlocking mechanism of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212659499U true CN212659499U (en) | 2021-03-05 |
Family
ID=74761501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021377431.7U Active CN212659499U (en) | 2020-07-14 | 2020-07-14 | Locking and unlocking mechanism of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212659499U (en) |
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2020
- 2020-07-14 CN CN202021377431.7U patent/CN212659499U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325600 Wenzhou Bridge Industrial Park, Yueqing, Wenzhou City, Zhejiang Province Patentee after: Huanyu Hi Tech Co.,Ltd. Address before: 325600 Wenzhou Bridge Industrial Park, Yueqing, Wenzhou City, Zhejiang Province Patentee before: HUANYU GROUP ZHEJIANG HIGH-TECH Co.,Ltd. |