Novel generator outlet circuit breaker

Abstract

The utility model relates to the technical field of circuit breakers, and discloses a novel generator outlet circuit breaker, which comprises a circuit breaker main body, an electromagnetic locking mechanism is arranged in the circuit breaker main body, a limit stop lever capable of moving up and down is arranged on the electromagnetic locking mechanism, and a mounting box is fixedly mounted on the front side wall surface of the circuit breaker main body. A connecting rotating rod is arranged in the mounting box, the outer wall of the connecting rotating rod is rotatably mounted on the front side wall surface of the circuit breaker main body, the outer wall of the connecting rotating rod extends into the circuit breaker main body, and a fixed connecting plate is fixedly mounted on the front side outer wall of the limiting stop lever. In the use process, when the circuit breaker main body cannot be switched on, the connecting rotating rod can be rotated clockwise, the cam plate starts to rotate, the outer wall, far away from the axis, of the cam plate is in contact with the lower side wall surface of the fixed connecting plate, and the fixed connecting plate is stressed to drive the limiting stop lever to move upwards; and finally, the limiting stop lever can release the limitation on the closing switch, and the operation is simple and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit breakers, in particular to a novel generator outlet circuit breaker. Background Art

[0002] A circuit breaker is a switch device that can close, carry and disconnect current under normal circuit conditions and can close, carry and disconnect current under normal circuit conditions within a specified time. Circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to their scope of use. The boundary between high and low voltage is relatively vague, and those above 3kV are generally called high-voltage electrical appliances.

[0003] During the use of the circuit breaker, it is necessary to close it. In order to improve the safety of the circuit breaker, an electromagnetic locking mechanism will be installed at its closing position. During the use of the circuit breaker, it may be impossible to close the circuit breaker. At this time, the staff is required to remove the protective casing of the circuit breaker, manually release the locking state, and then install the protective casing on the circuit breaker. This method is cumbersome to operate and inconvenient to use.

[0004] To this end, we propose a new type of generator outlet circuit breaker. Utility Model Content

[0005] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a novel generator outlet circuit breaker.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a novel generator output circuit breaker, comprising a circuit breaker body, an electromagnetic locking mechanism is arranged inside the circuit breaker body, a limit stopper rod which can move up and down is arranged on the electromagnetic locking mechanism, a mounting box is fixedly installed on the front side wall of the circuit breaker body, a connecting rotating rod is arranged inside the mounting box, the outer wall of the connecting rotating rod is rotatably installed on the front side wall of the circuit breaker body, the outer wall of the connecting rotating rod extends to the inside of the circuit breaker body, a fixed connecting plate is fixedly installed on the front side outer wall of the limit stopper rod, a cam plate is fixedly installed on the outer wall of the connecting rotating rod, the cam plate is located on the lower side wall of the fixed connecting plate, a transmission gear is fixedly installed on the outer wall of the connecting rotating rod, a transmission connecting plate is arranged inside the circuit breaker body, the transmission connecting plate is L-shaped, the vertical end of the transmission connecting plate movably passes through the upper side wall of the circuit breaker body, a transmission tooth groove is opened on the left side wall of the vertical end of the transmission connecting plate, the transmission gear and the transmission tooth groove are meshed and connected together, a reset mechanism is arranged on the transmission connecting plate, and the reset mechanism includes a first spring.

[0007] Preferably, the upper side wall of the transmission connecting plate is provided with a mounting connecting groove capable of limiting position, a movable connecting plate capable of limiting position is movably installed inside the mounting connecting groove, and the outer wall of the movable connecting plate is adapted to the inside of the mounting connecting groove.

[0008] Preferably, a positioning link that can be used for limiting is fixedly installed on the left side wall of the movable connecting plate, and the outer wall of the positioning link movably passes through the left side wall of the installation connecting groove, and the left side wall of the positioning link is an inclined surface that decreases from left to right.

[0009] Preferably, a connecting slide rod capable of limiting position is fixedly mounted on the bottom wall surface of the circuit breaker main body cavity, and an outer wall of the connecting slide rod movably passes through the interior of the first spring.

[0010] Preferably, the first spring is fixedly mounted between the bottom wall of the transmission connecting plate and the adjacent wall in the main cavity of the circuit breaker, and the upper side wall of the connecting slide rod is fixedly mounted with a limit connecting plate.

[0011] Preferably, a second spring is fixedly installed between the left wall surface of the movable connecting plate and the wall surface close to the installation connecting groove, and the outer wall of the positioning connecting rod moves through the interior of the second spring.

[0012] Beneficial Effects

[0013] The utility model provides a novel generator outlet circuit breaker, which has the following beneficial effects:

[0014] 1. A novel generator output circuit breaker. During use, when the circuit breaker body cannot be closed, the connecting rod can be rotated clockwise, the cam plate starts to rotate, the outer wall of the cam plate away from the axis and the lower wall of the fixed connecting plate contact each other, the fixed connecting plate is forced to move the limit stop rod upward, and finally the limit stop rod releases the restriction on the closing switch. The operation is simple and convenient, and easy to operate. In addition, the transmission connecting plate can be manually moved downward, the first spring begins to shrink under force, and under the cooperation of the transmission tooth groove and the transmission gear, the connecting rod starts to rotate clockwise. When the closing is completed, the transmission connecting plate is released, the first spring will stretch to restore its original length, the transmission connecting plate moves upward, the connecting rod starts to rotate counterclockwise until it returns to its original state, the cam plate is away from the fixed connecting plate, and the limit stop rod moves downward under the action of gravity, and the closing switch is limited again. There is no need to manually restore the original state, which is convenient for use of the device.

[0015] 2. A new type of generator output circuit breaker. During use, the transmission connecting plate moves downward, the inclined surface of the positioning connecting rod contacts the inner wall of the installation box, the positioning connecting rod is forced to move to the right, the movable connecting plate moves to the right, and the second spring is stretched. When the positioning connecting rod moves to the inside of the installation box, the second spring will return to its original state and begin to retract. The movable connecting plate moves beyond the positioning connecting rod. The positioning connecting rod can limit the positioning of the transmission connecting plate. At this time, the closing operation can be performed. When closing the circuit, there is no need to press the transmission connecting plate all the time, which is convenient for the use of the device. In addition, during the movement of the transmission connecting plate, it will move along the outer wall of the connecting slide rod, which can improve the stability of the movement of the transmission connecting plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional diagram of the utility model as a whole;

[0017] Figure 2 It is a three-dimensional diagram of the main body of the circuit breaker of the utility model;

[0018] Figure 3 for Figure 2 A magnified view of location A;

[0019] Figure 4 for Figure 3 Enlarged view of B.

[0020] Legend: 1. Circuit breaker body; 2. Mounting box; 3. Limit stop rod; 4. Fixed connecting plate; 5. Connecting rotating rod; 6. Transmission gear; 7. Transmission connecting plate; 8. Transmission tooth groove; 9. First spring; 10. Connecting slide bar; 11. Limit connecting plate; 12. Cam plate; 13. Installing connecting groove; 14. Moving connecting plate; 15. Positioning connecting rod; 16. Second spring. DETAILED DESCRIPTION

[0021] Embodiment 1: A novel generator output circuit breaker, such as Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, it includes a circuit breaker body 1, an electromagnetic locking mechanism is arranged inside the circuit breaker body 1, and a limit stopper rod 3 which can move up and down is arranged on the electromagnetic locking mechanism. The above are all prior arts and will not be described in detail here. A mounting box 2 is fixedly installed on the front wall of the circuit breaker body 1, and a connecting rotating rod 5 is arranged inside the mounting box 2. The outer wall of the connecting rotating rod 5 is rotatably installed on the front wall of the circuit breaker body 1, and the outer wall of the connecting rotating rod 5 extends to the inside of the circuit breaker body 1. A fixed connecting plate 4 is fixedly installed on the front outer wall of the limit stopper rod 3. A cam plate 12 is fixedly installed on the outer wall of the connecting rod 5, and the cam plate 12 is located on the lower side wall of the fixed connecting plate 4. A transmission gear 6 is fixedly installed on the outer wall of the connecting rod 5. A transmission connecting plate 7 is arranged inside the circuit breaker body 1. The transmission connecting plate 7 is L-shaped. The vertical end of the transmission connecting plate 7 movably penetrates the upper side wall of the circuit breaker body 1. A transmission tooth groove 8 is opened on the left side wall of the vertical end of the transmission connecting plate 7. The transmission gear 6 and the transmission tooth groove 8 are meshed and connected together. A reset mechanism is arranged on the transmission connecting plate 7, and the reset mechanism includes a first spring 9.

[0022] After the breaker body 1 fails to close, the connecting rod 5 can be rotated clockwise, the cam plate 12 starts to rotate, the outer wall of the cam plate 12 away from the axis and the lower side wall of the fixed connecting plate 4 contact each other, the fixed connecting plate 4 is forced to move the limit stop rod 3 upward, and finally the limit stop rod 3 releases the restriction on the closing switch, which is simple and convenient to operate. In addition, the transmission connecting plate 7 can be manually moved downward, the first spring 9 starts to shrink under the force, and the connecting rod 5 starts to rotate clockwise under the cooperation of the transmission tooth groove 8 and the transmission gear 6. When the closing is completed, the transmission connecting plate 7 is released, the first spring 9 will stretch to restore the original length, the transmission connecting plate 7 moves upward, and the connecting rod 5 starts to rotate counterclockwise until it returns to its original state, the cam plate 12 is away from the fixed connecting plate 4, and the limit stop rod 3 moves downward under the action of gravity, and the closing switch is limited again, and there is no need to manually restore the original state.

[0023] Embodiment 2: Based on Embodiment 1, Figure 3 and Figure 4 As shown, the upper side wall of the transmission connecting plate 7 is provided with a mounting connecting groove 13 for limiting position, and a movable connecting plate 14 for limiting position is movably installed inside the mounting connecting groove 13 , and the outer wall of the movable connecting plate 14 is adapted to the inside of the mounting connecting groove 13 .

[0024] A positioning link 15 capable of limiting position is fixedly mounted on the left side wall of the movable connecting plate 14. The outer wall of the positioning link 15 movably penetrates the left side wall of the mounting connecting groove 13. The left side wall of the positioning link 15 is an inclined surface that decreases from left to right.

[0025] A connection slide bar 10 capable of limiting position is fixedly mounted on the bottom wall surface of the cavity of the circuit breaker body 1 , and the outer wall of the connection slide bar 10 movably passes through the interior of the first spring 9 .

[0026] The first spring 9 is fixedly mounted between the bottom wall of the transmission connecting plate 7 and the adjacent wall in the cavity of the circuit breaker body 1 , and the upper side wall of the connecting slide rod 10 is fixedly mounted with a limit connecting plate 11 .

[0027] A second spring 16 is fixedly installed between the left wall surface of the movable connecting plate 14 and the wall surface close to the installation connecting groove 13 , and the outer wall of the positioning connecting rod 15 movably passes through the interior of the second spring 16 .

[0028] During use of the utility model, the transmission connecting plate 7 moves downward, the inclined surface of the positioning connecting rod 15 contacts the inner wall of the installation box 2, the positioning connecting rod 15 is forced to move to the right, the movable connecting plate 14 moves to the right, and the second spring 16 is stretched. When the positioning connecting rod 15 moves to the inside of the installation box 2, the second spring 16 will return to its original state and begin to retract. The movable connecting plate 14 exceeds the movement of the positioning connecting rod 15, and the positioning connecting rod 15 can limit the positioning of the transmission connecting plate 7. At this time, the closing operation can be performed. When closing the switch, there is no need to press the transmission connecting plate 7 all the time, which is convenient for the use of the device. In addition, during the movement of the transmission connecting plate 7, it will move along the outer wall of the connecting slide bar 10.

[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A novel generator outlet circuit breaker comprises a circuit breaker body (1), an electromagnetic locking mechanism is arranged inside the circuit breaker body (1), and a limit stopper (3) which can move up and down is arranged on the electromagnetic locking mechanism, and the characteristics are: The front side wall of the circuit breaker body (1) is fixedly mounted with an installation box (2), the interior of the installation box (2) is provided with a connecting rod (5), the outer wall of the connecting rod (5) is rotatably mounted on the front side wall of the circuit breaker body (1), the outer wall of the connecting rod (5) extends into the interior of the circuit breaker body (1), the front side outer wall of the limit stopper rod (3) is fixedly mounted with a fixed connecting plate (4), the outer wall of the connecting rod (5) is fixedly mounted with a cam plate (12), and the cam plate (12) is located below the fixed connecting plate (4). The outer wall of the connecting rod (5) is fixedly mounted with a transmission gear (6), and a transmission connecting plate (7) is arranged inside the circuit breaker body (1). The transmission connecting plate (7) is L-shaped, and the vertical end of the transmission connecting plate (7) movably penetrates the upper side wall of the circuit breaker body (1). The left side wall of the vertical end of the transmission connecting plate (7) is provided with a transmission tooth groove (8), and the transmission gear (6) and the transmission tooth groove (8) are meshed and connected together. A reset mechanism is arranged on the transmission connecting plate (7), and the reset mechanism includes a first spring (9).

2. The novel generator output circuit breaker according to claim 1 is characterized in that: The upper side wall of the transmission connecting plate (7) is provided with a mounting connecting groove (13) capable of being limited in position, a movable connecting plate (14) capable of being limited in position is movably installed inside the mounting connecting groove (13), and the outer wall of the movable connecting plate (14) is adapted to the inside of the mounting connecting groove (13).

3. The novel generator output circuit breaker according to claim 2 is characterized in that: A positioning link (15) capable of limiting position is fixedly mounted on the left side wall of the movable connecting plate (14); the outer wall of the positioning link (15) movably penetrates the left side wall of the mounting connecting groove (13); and the left side wall of the positioning link (15) is an inclined surface that descends from left to right.

4. The novel generator output circuit breaker according to claim 1 is characterized in that: A connecting slide bar (10) capable of limiting position is fixedly mounted on the bottom wall surface of the cavity of the circuit breaker body (1), and the outer wall of the connecting slide bar (10) movably passes through the interior of the first spring (9).

5. The novel generator output circuit breaker according to claim 4 is characterized in that: The first spring (9) is fixedly mounted between the bottom wall of the transmission connecting plate (7) and the adjacent wall in the cavity of the circuit breaker body (1), and a limit connecting plate (11) is fixedly mounted on the upper wall of the connecting slide rod (10).

6. The novel generator output circuit breaker according to claim 3 is characterized in that: A second spring (16) is fixedly installed between the left wall surface of the movable connecting plate (14) and the wall surface close to the installation connecting groove (13), and the outer wall of the positioning connecting rod (15) moves through the interior of the second spring (16).

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