CN206516521U - A kind of fine motion controlling switch with automatic detection defencive function - Google Patents

Abstract

The utility model discloses a kind of fine motion controlling switch with automatic detection defencive function, including fixed frame, moving contact, detection sensor and sensing moving contact, four corners of the fixed frame are provided with fixedly connected part, the moving contact is located at the left end of lever, the lower end of the lever is provided with lever fixed seat, and the right-hand member of lever is connected with each other with rotating bar, the rotating bar is connected with each other by swivel and fixed frame, the sensing moving contact is connected with each other by support spring and rotating bar, and it is fixed with sensing static contact below sensing moving contact, the detection sensor is located at the bottom of fixed frame.This carries the fine motion controlling switch of automatic detection defencive function; the action of each snap-action mechanism is fed back in detection sensor; realize automatic detection defencive function; when breaking down with internal component damage; quickly can timely it judge; it is easy to the operation that is stopped in time and is repaired, is effectively improved service life.

Description

A kind of fine motion controlling switch with automatic detection defencive function

Technical field

The utility model is related to microswitch technical field, specially a kind of fine motion control with automatic detection defencive function System switch.

Background technology

Microswitch is, with small contact separation and snap-action mechanism, switch to be carried out with defined stroke and defined power dynamic The contact mechanism of work, is covered with shell, a kind of switch for having drive rod outside it, because the contact spacing of its switch is smaller, Therefore named microswitch, is called sensitive switch.Outer mechanical force is acted on power on action reed by actuated element, when action reed Snap action is produced when being displaced to critical point, makes movable contact and fixed contact quick-make or the disconnection of action reed end.

But general microswitch, there is no automatic detection defencive function, when breaking down with internal component damage, nothing Method is quickly timely judged, and not only influences the operation of work, while also delayed the time of maintenance, and prolonged failure State will substantially reduce the service life of microswitch.In view of the above-mentioned problems, it is a kind of with automatic detection protection to be badly in need of design The fine motion controlling switch of function.

Utility model content

The purpose of this utility model is to provide a kind of fine motion controlling switch with automatic detection defencive function, to solve General microswitch is proposed in above-mentioned background technology, does not have automatic detection defencive function, is damaged when breaking down with inner member Bad when, it is impossible to quickly timely judge, the operation of work is not only influenceed, while also delayed the time of maintenance, and when long Between malfunction the problem of will substantially reduce the service life of microswitch.

To achieve the above object, the utility model provides following technical scheme：It is a kind of with automatic detection defencive function Fine motion controlling switch, including fixed frame, moving contact, detection sensor and sensing moving contact, four of the fixed frame turn Fixedly connected part is provided with angle, and the upper end of fixed frame is fixed with inching button, the moving contact is located at the left end of lever, And the both sides up and down of moving contact are separately installed with normally opened static contact and often close static contact, the normally opened static contact closes static contact with normal It is connected with each other by common terminal and binding post, the lower end of the lever is provided with lever fixed seat, and the right-hand member of lever It is connected with each other with rotating bar, the rotating bar is connected with each other by swivel and fixed frame, the sensing moving contact passes through Support spring is connected with each other with rotating bar, and sensing static contact, the detection sensor position are fixed with below sensing moving contact In the bottom of fixed frame.

It is preferred that, the inching button is connected with each other by push rod and spring fixed seat, and the both sides of spring fixed seat are set Push rod spring is equipped with, while the structure that the bottom of spring fixed seat and the right-hand member of lever are integrated.

It is preferred that, the inching button, push rod, spring fixed seat and push rod spring constitute a snap-action mechanism, and lever Right-hand member be connected with Liang Ge snap-actions mechanism.

It is preferred that, when the lever is horizontality, rotating bar is connection bonded to each other with lever.

It is preferred that, the moving contact is with often closing original state when static contact contacts with each other for lever.

It is preferred that, the sensing static contact is electric connection with detection sensor.

Compared with prior art, the beneficial effects of the utility model are：This carries the fine motion control of automatic detection defencive function System switch, compared with existing microswitch under, often carry out a snap-action mechanism when, it will pass through rotating bar drive sensing The connection of dynamic/static contact, so that the action of each snap-action mechanism is fed back in detection sensor, realizes that automatic detection is protected Function, when breaking down and during internal component damage, quickly can timely judge, be easy to the operation that is stopped in time and Repaired, be effectively improved service life.

Brief description of the drawings

Fig. 1 is the utility model structure overall schematic；

Fig. 2 is the utility model structure A-A enlarged diagrams；

Fig. 3 is the utility model structure B-B enlarged diagrams.

In figure：1st, fixed frame, 2, fixedly connected part, 3, inching button, 31, push rod, 32, spring fixed seat, 33, push rod Spring, 4, lever, 5, moving contact, 6, often close static contact, 7, normally opened static contact, 8, common terminal, 9, binding post, 10, lever Fixed seat, 11, detection sensor, 12, rotating bar, 13, swivel, 14, support spring, 15, sensing moving contact, 16, sensing Static contact.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.

Fig. 1-3 are referred to, the utility model provides a kind of technical scheme：A kind of fine motion with automatic detection defencive function Controlling switch, including fixed frame 1, fixedly connected part 2, inching button 3, push rod 31, spring fixed seat 32, push rod spring 33, Lever 4, moving contact 5, often pass static contact 6, normally opened static contact 7, common terminal 8, binding post 9, lever fixed seat 10, detection are passed Sensor 11, rotating bar 12, swivel 13, support spring 14, sensing moving contact 15 and sensing static contact 16, fixed frame 1 Four corners are provided with fixedly connected part 2, and the upper end of fixed frame 1 is fixed with inching button 3, and inching button 3 is by pushing away Bar 31 is connected with each other with spring fixed seat 32, and the both sides of spring fixed seat 32 are provided with push rod spring 33, while spring is fixed The structure that seat 32 bottom and the right-hand member of lever 4 are integrated, moving contact 5 is located at the left end of lever 4, inching button 3, push rod 31, Spring fixed seat 32 and push rod spring 33 constitute a snap-action mechanism, and the right-hand member of lever 4 is connected with Liang Ge snap-actions mechanism, and dynamic The both sides up and down of contact 5 are separately installed with normally opened static contact 7 and often close static contact 6, and moving contact 5 is with often closing the phase mutual connection of static contact 6 Touch when for lever 4 original state, normally opened static contact 7 and often pass static contact 6 it is mutual by common terminal 8 and binding post 9 Connection, the lower end of lever 4 is provided with lever fixed seat 10, when lever 4 is horizontality, and rotating bar 12 is mutual patch with lever 4 Connection is closed, and the right-hand member of lever 4 is connected with each other with rotating bar 12, rotating bar 12 is mutual by swivel 13 and fixed frame 1 Connection, sensing moving contact 15 is connected with each other by support spring 14 with rotating bar 12, and the lower section of sensing moving contact 15 is fixed with Static contact 16 is sensed, sensing static contact 16 is with detection sensor 11 to be electrically connected with, and detection sensor 11 is located at fixed frame 1 Bottom.

Operation principle：When carrying the fine motion controlling switch of automatic detection defencive function using this, first to the knot of the device Structure is simply understood, and inching button 3 is operated first, and now push rod 31 will move down, pressure-ram spring 33, now thick stick The right-hand member of bar 4 is moved down under the effect of the pressure, and the moving contact 5 of the left end of lever 4 is gradually separated with often closing static contact 6 Come, and up movement is connected with each other with normally opened static contact 7, connects circuit, at the same time extruding force of the rotating bar 12 in lever 4 Under effect, gradually moved down on swivel 13, and sense moving contact 15 and moved down in the presence of rotating bar 13 directly It is connected with each other to sensing static contact 16, connects circuit, now a snap-action mechanism information is sensed by electrically transmitting to detection In device 11, and detection sensor 11, by feedback of the information to control centre, after microswitch is damaged, circuit is obstructed and passes Sensor continues to information, as judges to break down, so as to realize automatic detection defencive function；When unclamping inching button 3, In the presence of support spring 14 and push rod spring 33, lever 4 is back to initial position, here it is work(should be protected with automatic detection The operation principle of the fine motion controlling switch of energy.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of fine motion controlling switch with automatic detection defencive function, including fixed frame（1）, moving contact（5）, detection pass Sensor（11）With sensing moving contact（15）, it is characterised in that：The fixed frame（1）Four corners be provided with and be fixedly connected Part（2）, and fixed frame（1）Upper end be fixed with inching button（3）, the moving contact（5）Positioned at lever（4）Left end, and Moving contact（5）Both sides up and down be separately installed with normally opened static contact（7）Static contact is closed with normal（6）, the normally opened static contact（7）With Often close static contact（6）Pass through common terminal（8）With binding post（9）It is connected with each other, the lever（4）Lower end be provided with thick stick Bar fixed seat（10）, and lever（4）Right-hand member and rotating bar（12）It is connected with each other, the rotating bar（12）Pass through swivel （13）With fixed frame（1）It is connected with each other, the sensing moving contact（15）Pass through support spring（14）With rotating bar（12）Mutually Connection, and sensing moving contact（15）Lower section be fixed with sensing static contact（16）, the detection sensor（11）Positioned at fixed frame Body（1）Bottom.

2. a kind of fine motion controlling switch with automatic detection defencive function according to claim 1, it is characterised in that：Institute State inching button（3）Pass through push rod（31）With spring fixed seat（32）It is connected with each other, and spring fixed seat（32）Both sides set There is push rod spring（33）, while spring fixed seat（32）Bottom and lever（4）The structure that is integrated of right-hand member.

3. a kind of fine motion controlling switch with automatic detection defencive function according to claim 1, it is characterised in that：Institute State inching button（3）, push rod（31）, spring fixed seat（32）And push rod spring（33）Constitute a snap-action mechanism, and lever（4） Right-hand member be connected with Liang Ge snap-actions mechanism.

4. a kind of fine motion controlling switch with automatic detection defencive function according to claim 1, it is characterised in that：Institute State lever（4）During for horizontality, rotating bar（12）With lever（4）For connection bonded to each other.

5. a kind of fine motion controlling switch with automatic detection defencive function according to claim 1, it is characterised in that：Institute State moving contact（5）With often closing static contact（6）It is lever when contacting with each other（4）Original state.

6. a kind of fine motion controlling switch with automatic detection defencive function according to claim 1, it is characterised in that：Institute State sensing static contact（16）With detection sensor（11）To be electrically connected with.