A kind of tripping mechanism that automatically resets suitable for switch cubicle
Technical field
The utility model belongs to the tripping mechanism of breaker, and in particular to a kind of passive automatically reset tripping mechanism.
Background technology
Electrical apparatus release be with switch mechanically connect a kind of device, with it come release holding mechanism so as to switch realize point or
Close.Existing electrical apparatus release is driven using general electromagnet, and its operation principle is that general electromagnet is produced after line state is powered
Magnetic field, so as to produce suction, iron core constantly accelerates in adhesive campaign, until final position, while back-moving spring energy storage.Online
After circle power-off, back-moving spring releases energy, and makes reset unshakable in one's determination.It is required for extra power supply in the tripping mechanism of existing breaker
The work of DM, and passive protection scheme common in the market does not possess runback bit function, it is necessary to hand-reset
It could be acted next time.
The content of the invention
In view of the shortcomings of the prior art, the utility model devises one kind under passive environment, can realize mechanical unlocking
And it is capable of the tripping mechanism that automatically resets of Self-resetting.
The technical solution of the utility model is as follows:
A kind of tripping mechanism that automatically resets suitable for switch cubicle, it includes installing plate, and installing plate is provided with dropout frame,
It is characterized in that:Described installing plate is provided with electromagnetic assembly, and the output end of electromagnetic assembly is connected with Self-resetting dropout unblock group
Part, Self-resetting threads off solution lock set on installing plate, and the holding component of Self-resetting is additionally provided with the installing plate, and living
It is arranged with what the driving release lever being connected with dropout frame was moved downward on the dynamic release lever being connected on dropout frame, release lever
Dropout stage clip, release lever is provided with step maintaining part, and the holding component is threaded off with step maintaining part and Self-resetting and solves lock set
Rotary restoring link is additionally provided with connection, described installing plate, one end of restoring link is connected with release lever, the other end
Connecting rod is connected with, the other end of connecting rod is connected with the driving connecting lever of breaker drive shaft.
Described electromagnetic assembly is release electromagnet, and iron core and Self-resetting the dropout solution lock set of electromagnet are connected.
Described Self-resetting threads off solution lock set including being fixedly connected with parallel on screw pin on a mounting board, screw pin set
Have and reduction torsion spring, one end between two bent plates are provided with one group of rotary bent plate, the installation axle between two bent plates
Provided with straight pin, the other end is provided with roller pin, and roller pin is connected with electromagnetic assembly, and one end of described reduction torsion spring is connected to de-
Detain on framework, the other end is resisted against on roller pin.
Described dropout frame is provided with the first adjusting screw that solution lock set of being threaded off to Self-resetting is adjusted.
Described keeps component to include the screw pin of connection on a mounting board, and the holding system being arranged on screw pin
Son, in addition to the return spring being set on screw pin, one end of return spring are connected with dropout frame, and the other end is with keeping system to connect
Connect, described holding system includes arc sections, one end and the screw pin connection of arc sections, the other end are connected with line part, straight line
Extend the first lug boss for being formed with and be connected with step maintaining part for the upper end in portion, the lower end extension of the line part be formed with and
Console the second lug boss of solution lock set connection of threading off.
Described release lever includes the first bar segment, and the upper end of the first bar segment is provided with the second bar segment, and lower end is provided with the 3rd bar segment,
And first the diameter of bar segment be more than the second bar segment and the 3rd bar segment, described step maintaining part is the first bar segment and the 3rd bar segment shape
Into step surface.
The first described bar segment is provided with strip groove, the two ends insertion strip groove of restoring link.
In summary, the utility model has the advantages that:
Electromagnet of the present utility model is by the use of the electric energy in transformer in switch cubicle as power supply, and driving electromagnetic assembly is moved
Make, realize the unblock of release lever, release lever is moved downward in the presence of dropout stage clip, the dropout of the lower end effect of release lever
On axle, trip shaft is rotated, and realizes trip action, completes the separating brake of breaker, at the same time, and breaker drive shaft is rotated, and is driven
Dynamic restoring link is rotated around the junction of installing plate, and restoring link drives release lever to move upwards, realizes the reset of release lever, together
When keep system to reset keeping release lever, be maintained at state to be threaded off, the utility model realizes a kind of passive drive
It is dynamic, with automatically reset tripping mechanism.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the schematic elevation view of tripping mechanism of automatically reseting;
Fig. 3 is the structural representation of release lever;
Fig. 4 is the structural representation of release lever;
1 is breaker drive shaft in figure, and 2 be connecting rod, and 3 be restoring link, and 4 be release lever, and 5 be dropout stage clip, and 6 be to lead
To set, 7 be return spring, and 8 be screw pin, and 9 be dropout frame, and 91 be installing plate, and 10 be electromagnetic assembly, and 11 be holding system, 12
It is roller pin for bent plate, 13,14 be reduction torsion spring, and 15 be screw pin, and 16 be the first adjusting screw, and 17 be the second adjusting screw,
18 be dropout plate, and 19 be trip shaft, and 20 be straight pin, and 21 is drive connecting lever, and 22 be Self-resetting dropout solution lock set, and 23 be holding
Component, 41 be step maintaining part, and 111 be arc sections, and 112 be line part, and 1121 be the first lug boss, and 1122 be second raised
Portion, 42 be the first bar segment, and 43 be the second bar segment, and 44 be the 3rd bar segment, and 421 be strip groove.
Embodiment
The utility model is described further below in conjunction with the accompanying drawings.
As shown in Figures 1 to 4, a kind of tripping mechanism that automatically resets suitable for switch cubicle, it includes installing plate 91, installs
Plate 91 is provided with dropout frame 9, and dropout frame is the frame body for being vertically arranged similar rectangle on a mounting board, described installation
Plate 91 is provided with electromagnetic assembly 10, and the output end of electromagnetic assembly 10 is connected with Self-resetting dropout solution lock set, and Self-resetting, which is threaded off, to be solved
Lock set is arranged on installing plate 91, the holding component of Self-resetting is additionally provided with the installing plate 91, and be movably connected in de-
The release lever 4 on framework 9 is detained, dropout frame is provided with the pilot hole being oriented to release lever, the guiding on dropout frame top
Guide sleeve is provided with hole, release lever coordinates with guide sleeve, and the driving release lever being connected with dropout frame 9 is arranged with release lever 4
The dropout stage clip 5 moved downward, release lever is provided with step maintaining part 41, the holding component and step maintaining part and Self-resetting
Solution of threading off lock set connection, is additionally provided with rotary restoring link 3 on described installing plate 91, one end of restoring link 3 with
Release lever 4 is connected, and the other end is connected with connecting rod 2, and the other end of connecting rod 2 is connected with the driving connecting lever 21 of breaker drive shaft 1.
The motion for the iron core that the utility model passes through electromagnetic assembly, driving Self-resetting, which is threaded off, solves lock set action, then makes
The step holding part of component and release lever is kept from release lever is moved downward in the presence of dropout stage clip, under release lever
Dropout plate is hit at end, and driving trip shaft is rotated, realizes and thread off, and at the same time, breaker drive shaft is rotated, and drives restoring link
Rotated around the junction of installing plate, restoring link drives release lever to move upwards, realize the reset of release lever, keep component again
Coordinate with the step maintaining part of release lever, after electromagnetic assembly dead electricity, Self-resetting, which is threaded off, solves lock set reset, to keeping component to enter
Row support, after breaker closing, breaker drive shaft is driven after restoring link reset, and release lever is kept component and clasped,
It is maintained at state to be threaded off.
Described electromagnetic assembly 10 is release electromagnet, and iron core and Self-resetting the dropout solution lock set of electromagnet are connected, this
Place obtains electric by release electromagnet, the iron core motion of electromagnet, so that driving Self-resetting to thread off unlocks component movement.
Described Self-resetting, which is threaded off, solves the screw pin 15 that lock set includes being fixedly connected on installing plate 91, on screw pin 15
Parallel be provided with one group of rotary bent plate 12, the installation axle between two bent plates 12 is provided with reduction torsion spring 14, curved two
One end between plate 12 is provided with straight pin 20, and the other end is provided with roller pin 13, and roller pin 13 is connected with electromagnetic assembly 10, described
One end of reduction torsion spring 14 is connected on dropout frame 9, and the other end is resisted against on roller pin 13, when electromagnetic assembly is obtained it is electric after, iron
Core is moved downward, and is acted on roller pin, bent plate is rotated around screw pin, while reduction torsion spring is compressed, i.e. the bent plate other end
Straight pin be lifted, straight pin with keep components apart, keep component unblock, release lever action, after electromagnetic assembly dead electricity,
Reset torsion spring torque force discharges, and bent plate is resetted around screw pin and rotates, and straight pin is again to keeping component effect, described dropout frame
Frame is provided with the second adjusting screw, and one end of reduction torsion spring is connected in the second adjusting screw, and we can pass through regulation second
The length of the screw-in of adjusting screw, to adjust the torsion of reduction torsion spring, so as to obtain optimal working condition.
Described dropout frame 9 is provided with the first adjusting screw 16 that solution lock set of being threaded off to Self-resetting is adjusted, institute
The end for the first adjusting screw stated and the bent plate of Self-resetting trip assembley therefor offset, and the first adjusting screw is located at close to straight pin
Side, the length that we can be screwed in by adjusting the first adjusting screw herein adjust the anglec of rotation of bent plate, so as to obtain
Obtain the angle of best effort of the straight pin with keeping component.
Described keeps component to include the screw pin 8 of connection on a mounting board, and the holding system being arranged on screw pin 8
Son 11, in addition to the return spring 7 being set on screw pin 8, one end of return spring 7 are connected with dropout frame 9, and the other end is with keeping
System 11 is connected, and described holding system 11 includes arc sections 111, and one end and the screw pin connection of arc sections 111, the other end connect
Line part 112 is connected to, the upper end extension of line part is formed with the first lug boss 1121 being connected with step maintaining part, the straight line
The lower end in portion extend be formed with and the second lug boss 1122 for consoling solution lock set connection of threading off, return spring provides a up time
The power in pin direction, is rotated in the clockwise direction holding system, after the step maintaining part of the first lug boss and release lever coordinates,
Release lever can make holding system have an anticlockwise rotation, the cylinder pin joint of the second lug boss and Self-resetting trip assembley therefor
Touch, three reaches a balance, release lever is in state to be threaded off.
Described release lever includes the first bar segment 42, and the upper end of the first bar segment 42 is provided with the second bar segment 43, and lower end is provided with the
Three bar segments 44, and the diameter of the first bar segment 42 is more than the second bar segment 43 and the 3rd bar segment 44, described step maintaining part 41 is the
One bar segment and the step surface of the 3rd bar segment formation.
The first described bar segment 42 is provided with strip groove 421, the two ends insertion strip groove 421 of restoring link, is resetted
Link rotatable is so as to drive release lever to move up and down.
In summary, the utility model has the advantages that:
Electromagnet of the present utility model is by the use of the electric energy in transformer in switch cubicle as power supply, and driving electromagnetic assembly is moved
Make, realize the unblock of release lever, release lever is moved downward in the presence of dropout stage clip, the dropout of the lower end effect of release lever
On axle, trip shaft is rotated, and realizes trip action, completes the separating brake of breaker, at the same time, and breaker drive shaft is rotated, and is driven
Dynamic restoring link is rotated around the junction of installing plate, and restoring link drives release lever to move upwards, realizes the reset of release lever, together
When keep system to reset keeping release lever, be maintained at state to be threaded off, the utility model realizes a kind of passive drive
It is dynamic, with automatically reset tripping mechanism.