CN215680575U - Sliding type tripping alarm mechanism of circuit breaker actuating mechanism - Google Patents

Abstract

The utility model provides a circuit breaker actuating mechanism's slidingtype dropout alarm mechanism which characterized in that: the push pedal dress can make a round trip to slide in the spout in the casing, the front end and the trip plate linkage of push pedal, the rear end and the jam plate linkage of push pedal, what the trip plate was rotatable installs in the casing, what the jam plate was rotatable installs in the casing, the jam plate reset torsion spring is equipped with on the jam plate, the push pedal is in make a round trip to slide the in-process around in the spout and can drive the trip plate makes a round trip to rotate, the push pedal is in can link in the spout to the rear end slip in-process the jam plate anticlockwise rotation is right the indicator unblock, the push pedal is in the spout to the front end slip in-process, the jam plate is in can clockwise rotate right under the effect of jam plate reset torsion spring the indicator locks. This slidingtype dropout alarm mechanism adopts the mode of sliding transmission motion, and the power of taking off that needs is less, has reduced the operation degree of difficulty.

Description

Sliding type tripping alarm mechanism of circuit breaker actuating mechanism

Technical Field

The utility model belongs to the technical field of auxiliary equipment of low-voltage electrical appliances, and particularly relates to a sliding type tripping alarm mechanism of a circuit breaker actuating mechanism, which improves the reliability of circuit breaker fault tripping alarm.

Background

Circuit breakers are classified into high-voltage circuit breakers and low-voltage circuit breakers according to their range of use. The low-voltage circuit breaker is also called an automatic switch, commonly called an air switch and also called a low-voltage circuit breaker, and is an electric appliance which not only has the function of a manual switch, but also can automatically perform voltage loss, undervoltage, overload and short-circuit protection. It can be used for distributing electric energy, starting asynchronous motor infrequently, protecting power supply circuit and motor, etc., when they are seriously overloaded or short-circuited or under-voltage, etc. faults occur, it can automatically cut off circuit, its function is equivalent to the combination of fuse type switch and over-and under-heat relay, etc., and after breaking fault current, it does not need to change parts, so that it has been extensively used.

The fault tripping execution unit of the traditional universal circuit breaker is fixed on a switch body base, the operation mechanism of the circuit breaker is also fixed on the body base, and the fault tripping execution unit actuates the operation mechanism to carry out tripping operation when the switch needs to carry out fault tripping. The existing tripping alarm mechanism has the disadvantages of complex part structure, staggered part functions, poor modularization and high debugging cost during production and fault occurrence; and the counter force of a push plate, a pressure plate, remote resetting and an indicating piece needs to be overcome when the executive component in the executive mechanism is tripped, the volume of the executive component is large, the force value requirement of the executive component is high, and the service life is short.

Chinese patent ZL202020370201.1 discloses an actuating mechanism's dropout alarm mechanism, and at actuating mechanism dropout warning's in-process, can pop out automatically and instruct the dropout under the effect of indicator energy storage helping hand pressure spring, can not produce the resistance to actuating element, consequently reduced actuating element's power value demand, improved actuating mechanism whole life-span, but this technical scheme adopts the rotation mode transmission motion, and the power of required dropout is great, leads to the operating difficulties.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the technical defect that the conventional tripping alarm mechanism of the circuit breaker actuating mechanism adopts a rotating mode to transmit motion, needs larger tripping force and causes difficult operation, and provides a sliding type tripping alarm mechanism of the circuit breaker actuating mechanism.

Technical scheme

In order to achieve the technical purpose, the utility model discloses a sliding type tripping alarm mechanism of a circuit breaker actuating mechanism, which comprises a shell, a push plate, a locking plate, a tripping plate and an indicating piece, and is characterized in that: the push pedal dress is in can make a round trip to slide in the spout in the casing, the front end of push pedal with the trip plate linkage, the rear end of push pedal with the jam plate linkage, what the trip plate was rotatable installs in the casing, what the jam plate was rotatable installs in the casing, the jam plate reset torsion spring is equipped with on the jam plate, the push pedal is in make a round trip to slide the in-process around in the spout and can drive the trip plate makes a round trip to rotate, the push pedal is in can link in the spout to the rear end slip in-process the jam plate anticlockwise rotation is right the indicator unblock, the push pedal is in the spout to the front end slip in-process, the jam plate is in can clockwise rotation right under the effect of jam plate reset torsion spring the indicator locks.

Furthermore, a linkage hole groove is formed in the front end of the push plate, a linkage arm corresponding to the linkage hole groove is arranged on the tripping plate, and the linkage arm is located in the linkage hole groove.

Furthermore, a linkage shaft is arranged at the bottom of the locking plate, and the pushing plate can push the linkage shaft to drive the locking plate to rotate anticlockwise in the sliding process of the pushing plate towards the rear end in the sliding groove.

Advantageous effects

According to the sliding type tripping alarm mechanism of the circuit breaker actuating mechanism, the push plate is arranged in the sliding groove in the shell and can slide back and forth, the motion is transmitted in a sliding mode, the required tripping force is small, and the operation difficulty is reduced.

Drawings

FIG. 1 is a product diagram of an embodiment of the present invention.

FIG. 2 is a schematic structural diagram of an embodiment of the present invention.

FIG. 3 is a schematic diagram of the mechanism of the push plate in the embodiment of the present invention.

FIG. 4 is a schematic diagram of the mechanism of the trip plate in the embodiment of the present invention.

Fig. 5 is a schematic view of the mechanism of the lock plate in the embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1 and 2, a circuit breaker actuating mechanism's slidingtype dropout alarm mechanism, it includes casing 1, push pedal 2, jam plate 3, trip plate 4 and indicator 5, push pedal 2 dress is in can make a round trip to slide in the spout 101 in the casing 1, the front end of push pedal 2 with 4 linkages of trip plate, the rear end of push pedal 2 with 3 linkages of jam plate, 4 rotatable installations of trip plate are in the casing 1, as shown in fig. 3, 2 front ends in push pedal are provided with linkage hole groove 201, as shown in fig. 4, 4 are provided with on the trip plate with linkage arm 401 that linkage hole groove 201 corresponds, linkage arm 401 is located in linkage hole groove 201. The rotatable installation of jam plate 3 is in the casing 1, jam plate reset torsion spring 6 is equipped with on the jam plate 3, the push pedal 2 is in make a round trip to slide the in-process around in the spout 101 and can drive 4 round trip rotations of dropout board, the push pedal 2 is in slide the in-process can link to the rear end in the spout 101 3 anticlockwise rotation is right the unblock of indicator 5, the push pedal 2 is in slide the in-process to the front end in the spout 101, the jam plate 3 is in can clockwise rotation right under the 6 effects of jam plate reset torsion spring 5 indicator locks. As shown in fig. 5, a linkage shaft 301 is arranged at the bottom of the lock plate 3, and the push plate 2 can push the linkage shaft 301 to drive the lock plate 3 to rotate counterclockwise to unlock the indicator 5 in the sliding process towards the rear end in the sliding groove 101.

The working process of the tripping alarm mechanism of the actuating mechanism of the utility model is as follows:

in the process that the tripping alarm mechanism of the execution mechanism of the embodiment is changed from the non-tripping state to the tripping alarm state, the tripping function is that the tripping plate 2 drives the opening half shaft of the circuit breaker operation mechanism to rotate to the specified position, the alarm function is that the indicating part 5 is not popped up to the popping state, and the working logic of the tripping alarm mechanism is as follows: when the tripping alarm unit receives a tripping instruction, an execution unit in the execution mechanism can strike the push plate 2 to push the push plate 2 to slide towards the rear end in the shell 1, the push plate 2 pushes the tripping plate 4 to rotate in the process of sliding towards the rear end, the tripping plate 4 can drive the opening half shaft of the operating mechanism of the circuit breaker to rotate while rotating, so that the function of driving the operating mechanism of the circuit breaker to open the switch is achieved, meanwhile, the tripping plate 4 can be linked with the sliding block, the tripping plate 4 needs to push the sliding block to compress the sliding block compression spring to move, the sliding block compression spring is compressed, and resistance to the tripping process of the tripping plate 4 is generated; when the tripping plate 4 and the sliding block move to a certain position, the sliding block pressure spring can be changed into a popup state from a compression state, the sliding block is pushed to generate thrust on the tripping plate 4, the thrust is the assistance for tripping the tripping plate 4, the tripping process of the tripping plate is accelerated, after tripping, the tripping plate 4 can be always in contact with the sliding block and is kept at the tripping position under the action of the sliding block pressure spring, the pushing plate 2 pushes the tripping plate 4 to rotate and can also be linked with the locking plate 3 to push the locking plate 3 to rotate anticlockwise, the locking plate 3 rotates anticlockwise to release locking on the indicating piece 5, the indicating piece 5 can be popped out under the action of the indicating piece energy storage assistance pressure spring, and the indicating piece is lifted to play a function of tripping indication.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims (3)

1. A sliding-type tripping alarm mechanism of a circuit breaker actuator, which comprises a casing, a push plate, a lock plate, a trip plate and an indicator, characterized in that: the push plate is mounted on a sliding plate in the casing. The slot can slide back and forth, the front end of the push plate is linked with the release plate, the rear end of the push plate is linked with the lock plate, the release plate is rotatably installed in the housing, so The lock plate is rotatably installed in the housing, a lock plate reset torsion spring is installed on the lock plate, and the push plate can drive the trip plate to rotate back and forth during the back and forth sliding process in the chute, During the sliding process of the push plate to the rear end in the chute, the lock plate can rotate counterclockwise to unlock the indicator. During the sliding process of the push plate to the front end in the chute, the The lock plate can rotate clockwise under the action of the lock plate reset torsion spring to lock the indicator. 2 . The sliding trip alarm mechanism of a circuit breaker actuator according to claim 1 , wherein the front end of the push plate is provided with a linkage hole and slot, and the trip plate is provided with a linkage with the The linkage arm corresponding to the hole slot, the linkage arm is located in the linkage hole slot. 3 . The sliding tripping alarm mechanism of a circuit breaker actuator according to claim 1 , wherein a linkage shaft is provided at the bottom of the lock plate, and the push plate is rearward in the chute. 4 . During the sliding process, the linkage shaft can be pushed to drive the lock plate to rotate counterclockwise.

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