CN207441609U - A kind of circuit-breaker switching on-off indicator - Google Patents

Abstract

The utility model discloses a kind of circuit-breaker switching on-off indicators, including housing, microswitch, indicate indicator and dynamic structure, indicate indicator is movably arranged on the housing, it is included loaded in the housing and matched effect end of dynamic structure, the dynamic structure includes cursor, resetting structure and drive rod, cursor is rotatably provided in by shaft in housing, and induced effect end is moved along desired guiding trajectory direction in rotation process, force direction is more concentrated, the drive rod, which is reciprocally moveable, to be installed in housing, its one end is connected on the one end of the cursor away from the shaft.The technical solution of the utility model, simple and compact for structure, the force localization of the dynamic structure driving indicate indicator movement, it is driven laborsaving and sensitiveer and efficient, cooperation is accurately and reliably, it is ensured that the triggering accuracy between indicate indicator and microswitch promotes the performance of product.

Description

A kind of circuit-breaker switching on-off indicator

Technical field

The utility model is related to breaker technical fields, and in particular to a kind of circuit-breaker switching on-off indicator.

Background technology

In low-voltage distribution system frequently with mold cased circuit breaker as terminal switch or branch switch, to power circuit, machine Tool equipment plays the role of real-time guard, can be automatically cut off when circuit and equipment generation overload or short circuit and its under-voltage fault Circuit.In order to more preferably observe the working condition of mold cased circuit breaker, by mold cased circuit breaker divide-shut brake being set to indicate dress Put, can be acted show the opening and closing state of breaker according to the division of moving contact, so as to line maintenance, safeguard and The working condition for judging breaker can be understood during closed circuit, ensures line security and personnel safety.

For this purpose, Chinese patent literature CN205789785U discloses a kind of divide-shut brake instruction device of reclosing breaker, Including pedestal, cover, divide-shut brake instruction component and the microswitch that is arranged on pedestal, divide-shut brake instruction component include push rod, Indicator sets (the first back-moving spring between push rod upper surface and base internal wall and is arranged in indicator side wall and pedestal Second back-moving spring between wall, the push rod upper end are provided with inclined-plane, and indicator lower end, which is provided with, is fitted in holding on inclined-plane Power inclined-plane, indicator can correspond to molding slide in hole along base and cover body and horizontally slip, wherein, the course of work of indicator For：Push rod stress is moved up squeezes load inclined-plane so that indicator triggers micro- along hole slip is slided in sliding process by inclined-plane Dynamic switch is opened, and after the active force that push rod moves up disappears, (the first back-moving spring and second back-moving spring by push rod and refer to respectively Show that part resets, microswitch is accordingly closed.

It can be seen that from the structure and principle of above-mentioned divide-shut brake instruction device in the patent document through the oblique of push rod upper end The load inclined-plane for pushing away indicator is squeezed upwardly, and the thrust of push rod is straight up, to make finger by two inclined-plane slip effects Show the active force that part generation moves in the horizontal direction, the frictional force that stress is not enough concentrated and inclined-plane slip generates is also larger, institute Need thrust big so that push rod push indicator slide it is more laborious, poor reliability, sensitivity is not high, can influence push rod, indicator Cooperation accuracy between microswitch easily makes microswitch generate malfunction.

Utility model content

Therefore, the technical problems to be solved in the utility model is push rod and indicator cooperation of the prior art is overcome to slide The problem of kinetic force of friction is big, and stress is not enough concentrated, and required thrust is big and more laborious, and cooperation accuracy is poor, so as to provide one kind Force localization, transmission is laborsaving and efficient, coordinates accurately and reliably circuit-breaker switching on-off indicator.

In order to solve the above technical problems, the utility model provides a kind of circuit-breaker switching on-off indicator, including having installation Housing, microswitch, indicate indicator and the driving indicate indicator in space touch the power knot that the microswitch starts Structure, the indicate indicator is movably arranged along desired guiding trajectory on the housing by guide frame, including loaded in housing With the matched effect end of the dynamic structure, the dynamic structure includes：

Cursor is rotatably provided in by shaft in the housing, described in the cursor drives in rotation process Effect end is moved along desired guiding trajectory direction；

Resetting structure, for the cursor to be pulled to be moved away from the one side at the effect end；

Drive rod is reciprocally moveable and is installed in the housing, and its one end is connected to the cursor away from the shaft One end on；The drive rod can promote the cursor to overcome the pulling force of the resetting structure under external force, towards by The direction at the nearly effect end rotates that the indicate indicator is driven to move on the housing by desired guiding trajectory.

As a preferred embodiment, the cursor is connected compared with one end of the shaft with the resetting structure Connecting pin, the other end are the driving end to offset with the drive rod and are set, suitable for described turn with the close connecting pin The rotation hole of axis cooperation.

As a preferred embodiment, the length distance of the connecting pin to the rotation hole is less than the driving end described in The length distance of rotation hole.

As a preferred embodiment, the driving end is in the wedge shape of the effect extreme direction extension, including driving The driving inclined-plane of effect end action, described act on form the mating surface being correspondingly connected with the driving inclined-plane on end.

As a preferred embodiment, the resetting structure is tension spring, and its one end is fixedly connected on the in vivo installation of the shell On column, the other end is fixedly connected on the connecting pin.

As a preferred embodiment, the guide frame, which includes being molded, has setting length on the side of the housing both sides Guide chute and take shape in the sliding block that is correspondingly connected with the guide chute on the sides of the effect end both sides, it is described pre- If track is the extending direction of the guide chute, the effect end can pass through the sliding block edge under the action of the cursor The guide chute movement.

As a preferred embodiment, compression spring is provided between the side wall at the effect end and the madial wall of the housing, institute The setting direction for stating compression spring is consistent with the extending direction of the guide chute.

As a preferred embodiment, the microswitch is fixedly installed on the side of the housing one side, including prolonging Extend the trigger button of the guide chute one side；One end of the sliding block stretches through out the guide chute, and along the guiding It is contacted during runner movement and presses the trigger button.

As a preferred embodiment, the indicate indicator includes the finger of housing is fixedly linked and extended with the effect end Show end, the upper end of the housing offers the open slot passed through suitable for the indication end, and the indication end is moved with the effect end Make reciprocating between the both ends of the open slot.

As a preferred embodiment, the surface of the indication end, which is provided with, is used to indicate the division of working state of circuit breaker and shows Show board.

Technical solutions of the utility model have the following advantages that：

1. in breaker division indicator provided by the utility model, the indicate indicator is in the driving lower edge of dynamic structure Desired guiding trajectory moved on housing and trigger microswitch startup, wherein, the driving structure include cursor, resetting structure and Drive rod, cursor are rotatably provided in by shaft in the housing, and in rotation process induced effect end along default rail Mark direction moves, i.e., direction of motion when cursor is pushed with the cooperation of effect end is close, and force direction is more concentrated, and is applied to The active force acted on end is reliable and stable, is not concentrated to avoid stress in the prior art, the problem of inclined-plane force of sliding friction is big, Therefore, drive rod can promote cursor to overcome the pulling force of the resetting structure under external force, towards close to the effect end Direction rotate so that the indicate indicator to be driven to be moved by desired guiding trajectory on housing, realize the division of breaker division indicator Lock indicates function.It is simple and compact for structure using the technical program, the active force collection of the dynamic structure driving indicate indicator movement In, transmission is laborsaving and sensitiveer and efficient, and cooperation is accurately and reliably, it is ensured that the triggering between indicate indicator and microswitch is accurate Property promotes the performance of product.

2. in breaker division indicator provided by the utility model, the connecting pin to the length distance of the rotation hole Less than the length distance at the driving end to the rotation hole, that is, end is driven to be more than connection as the distance of stress point to rotation hole The distance as resistance point to rotation hole is held, realizes that transmission is laborsaving under lever used for physics effect, simple in structure, sensitivity is good, matches somebody with somebody Close reliable transmission.

3. in breaker division indicator provided by the utility model, the driving end includes driving effect end action Driving inclined-plane, it is described effect end on form the mating surface being correspondingly connected with the driving inclined-plane.This structure setting, it is described Effect end is with cursor when making arching trajectory movement, is directly pushed by drive surface in mating surface, force localization, frictional force Small, force direction is partial to act on the direction of motion at end, and the effect end is promoted to be moved along desired guiding trajectory.

4. in breaker division indicator provided by the utility model, the guide frame includes being molded the housing both sides Side on have the guide chute of setting length and take shape on the sides of effect end both sides with the guide chute pair The sliding block that should be connected is slided along the guide chute by sliding block and realizes indicate indicator moving on housing, so as to instruction Guiding role is played in the movement of component, it is avoided to rock and deviate, and ensures the reliability and stability of transmission.

5. in breaker division indicator provided by the utility model, microswitch includes extending to the guide chute one The trigger button of side；One end of the sliding block stretches through out the guide chute, i.e. trigger button is located at the movement road of the sliding block On footpath, therefore, sliding block contact along the guide chute motion process under the action of cursor presses the trigger button, micro- Dynamic switch is opened；And effect end band movable slider under the action of resetting structure is moved and resetted along the guide chute, at this time Sliding block releases the pressing to trigger button, and microswitch is closed.

Description of the drawings

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution of the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it describes below In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness On the premise of work, other attached drawings are can also be obtained according to these attached drawings.

Fig. 1 is the dimensional structure diagram of circuit-breaker switching on-off indicator provided by the utility model；

Fig. 2 is the internal structure schematic diagram of the circuit-breaker switching on-off indicator of the utility model；

Fig. 3 is the Split type structure schematic diagram of the circuit-breaker switching on-off indicator of the utility model；

Reference sign：1- housings, 10- shafts, 11- mounting posts, 12- guide chutes, 2- microswitches, 21- triggerings Button, 3- indicate indicators, 31- effects end, 311- mating surfaces, 32- sliding blocks, 33- indication ends, 4- cursors, 41- connecting pins, 42- Drive end, 421- driving inclined-planes, 5- resetting structures, 6- drive rods, 7- compression springs.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality Novel protected scope.

, it is necessary to which explanation, term " first ", " second ", " the 3rd " are only used for describing in the description of the utility model Purpose, and it is not intended that instruction or hint relative importance.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally Connection；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary, It can be the connection inside two elements.For the ordinary skill in the art, can above-mentioned art be understood with concrete condition Concrete meaning of the language in the utility model.

In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other Not forming conflict can be combined with each other.

Embodiment 1

The present embodiment is specifically described below in conjunction with the accompanying drawings：

The present embodiment provides a kind of circuit-breaker switching on-off indicator as shown in Figs. 1-3, including the shell with installation space Body 1, microswitch 2, indicate indicator 3 and the driving indicate indicator 3 touch the dynamic structure that the microswitch 2 starts, The indicate indicator 3 is movably arranged along desired guiding trajectory on the housing 1 by guide frame, including loaded in housing with The matched effect end 31 of dynamic structure, the dynamic structure include：

Cursor 4 is rotatably provided in by shaft 10 in the housing 1, and the cursor 4 drives in rotation process The effect end 31 is moved along desired guiding trajectory direction；

Resetting structure 5, for the cursor 4 to be pulled to be moved away from the one side at the effect end 31；

Drive rod 6 is reciprocally moveable and is installed in the housing 1, and its one end is connected to the cursor 4 and turns away from described On one end of axis 10；The drive rod 6 can promote the cursor 4 to overcome the pulling force of the resetting structure 5 under external force, Towards close to the direction at the effect end 31 rotate that the indicate indicator 3 is driven to move on the housing by desired guiding trajectory.

The above embodiment is the core technology scheme of the present embodiment, and the indicate indicator 3 is under the driving of dynamic structure It is moved along desired guiding trajectory on housing and triggers microswitch 2 and started, wherein, the driving structure includes cursor 4, resets knot Structure 5 and drive rod 6, cursor 4 is rotatably provided in by shaft in the housing 1, and the induced effect end in rotation process 31 move along desired guiding trajectory direction, i.e., direction of motion when cursor is pushed with the cooperation of effect end is close, and force direction is more It concentrates, the active force being applied on effect end is reliable and stable, is not concentrated to avoid stress in the prior art, inclined-plane sliding friction The problem of power is big, therefore, drive rod 6 can promote cursor 4 to overcome the pulling force of the resetting structure 5 under external force, towards It close to the direction at the effect end 31 rotates that the indicate indicator 3 is driven to move on housing by desired guiding trajectory, realizes open circuit The divide-shut brake instruction function of device division indicator.It is simple and compact for structure using the technical program, described in the dynamic structure driving The force localization that indicate indicator 3 moves, transmission is laborsaving and sensitiveer and efficient, and cooperation is accurately and reliably, it is ensured that indicate indicator 3 Triggering accuracy between microswitch 2 promotes the performance of product.

In the present embodiment, it is necessary to which explanation, the drive rod 6 are the push rod driven by the contact mechanism of breaker, That is the bottom of push rod is resisted against on the moving contact or shaft of contact mechanism, and therefore, when moving contact separating brake is pushed on the drive rod 6 It moves, circuit-breaker switching on-off indicator is made to indicate gate-dividing state；Correspondingly, the drive rod 6 loses upwards in switch on of moving contact Active force pulls cursor 4 to rotate reset and then drive rod 6 is driven to move down, at this point, circuit-breaker switching on-off refers to by resetting structure 5 Show that device corresponds to instruction "on" position.

It elaborates with reference to Fig. 2 and Fig. 3 to the concrete structure of the cursor in the present embodiment：

The cursor 4 is the connecting pin 41 being connected with the resetting structure 5 compared with one end of the shaft 10, another It holds the driving end 42 to offset with the drive rod 6 and sets, matches somebody with somebody suitable for the shaft 10 with the close connecting pin 41 The rotation hole of conjunction.This structure setting makes the both ends of cursor 4 that can rotate by a certain angle around the shaft under stressing conditions, spirit Quick property is high, to transfer and change power and movement, so as to which the linear motion of drive rod 6 is converted between cursor 4 and rotation axis Lever used for physics movement, and act on the effect end 31 and realize movement of the indicate indicator 3 on housing, design is reasonable, passes It moves apart from short, efficient, cooperation reliable transmission.

As a preferred embodiment, the length distance of the connecting pin 41 to the rotation hole is less than the driving The length distance of the rotation hole is arrived at end 42, that is, end 42 is driven to be more than 41 conduct of connecting pin as the distance of stress point to rotation hole Resistance point realizes that transmission is laborsaving, simple in structure, sensitivity is good, cooperation transmission to the distance of rotation hole under lever used for physics effect Reliably.

It is further preferred that the driving end 42 is in the wedge shape of the effect extreme direction extension, including driving institute The driving inclined-plane 421 that effect end 31 acts is stated, forms on the effect end 31 and matches somebody with somebody with what the driving inclined-plane 421 was correspondingly connected with Conjunction face 311, mating surface mutually should be inclined-plane.This structure setting when arching trajectory movement is made in the effect end 31 with cursor, is led to Face of overdriving directly is pushed in mating surface, and force localization, frictional force is small, and force direction is partial to act on the movement side at end To the promotion effect end is moved along desired guiding trajectory.But it should be recognized that although driving is only gived in the above embodiment A kind of embodiment of driving inclined-plane at end 42, but its set-up mode can realize driving end and act on supporting for end there are many form Cooperation is pushed away, cannot be repeated one by one herein, those skilled in the art can be according to foregoing description to the concrete structure at driving end It is deformed accordingly with installation position, the equivalent technical solutions of the above embodiment should be still fallen within.

In the present embodiment, as shown in Fig. 2, the resetting structure 5 is tension spring, its one end is fixedly connected on the housing 1 In interior mounting post 11, the other end is fixedly connected on the connecting pin 41.When the cursor pushes effect in drive rod Lower rotation makes tension spring bear the pulling force in its axial direction, thus when end 42 is driven to lose the upwards thrust of the drive rod 6, leads to Negative direction active force that tension spring applies connecting pin 41 is crossed so that cursor 4 to be driven to be rotated away from effect end one side, realizes cursor 4 The effect of automatically reseting.

It elaborates with reference to the concrete structure of Fig. 1-3 pairs of guide frames：

The guide frame includes being molded 12 and of guide chute on the side of 1 both sides of housing with setting length The sliding block 32 being correspondingly connected on the side of effect 31 both sides of end with the guide chute 12 is taken shape in, the desired guiding trajectory is The extending direction of the guide chute 12, guide chute are preferably bar-shaped trough, and the sliding block is made to do straight path in bar-shaped trough Movement, the effect end 31 can be moved under the action of the cursor 4 by the sliding block along the guide chute 12.It is above-mentioned It in embodiment, is slided by the sliding block along the guide chute 12 and realizes the moving on housing of indicate indicator 3, so as to right Guiding role is played in the movement of indicate indicator 3, it is avoided to rock and deviate, and ensures the reliability and stability of transmission.

In order to ensure indicate indicator when being acted on from dynamic structure can self-return to initial position, the effect end Compression spring 7 is provided between the madial wall of 31 side wall and the housing 1, one end of compression spring 7 is connected on the madial wall of housing, separately One end is connected in the mounting hole of the effect end side wall opposite with madial wall, and the setting direction of the compression spring 7 is led with described Consistent to the extending direction of sliding slot 12, i.e., the force direction of compression spring is parallel with the direction of motion for acting on end, and stress is concentrated, and is matched somebody with somebody Close reliable transmission.

As shown in Figure 1, the microswitch 2 is fixedly installed on the side of 1 one side of housing, including extending to State the trigger button 21 of 12 one side of guide chute；One end of the sliding block 32 stretches through out the guide chute 12, and is led along described Into 12 motion process of sliding slot, contact presses the trigger button 21, it can be seen that, trigger button is located at the movement of the sliding block On path, therefore, effect end 31 band movable slider under the action of cursor 4 is moved along guide chute, by pressing trigger switch So that microswitch is opened；And effect end 31 band movable slider under the action of compression spring 7 is moved and answered along the guide chute 12 Position, sliding block releases the pressing to trigger button at this time, so that microswitch is closed.

The set-up mode of the indicate indicator 3 is illustrated with reference to Fig. 2 and Fig. 3：

The indicate indicator 3 includes the indication end 33 of housing, the shell are fixedly linked and extended with the effect end 31 The upper end of body 1 offers the open slot passed through suitable for the indication end 33, and the indication end 33 is acted with the effect end 31 It is reciprocating between the both ends of the open slot, the extending direction of the open slot in this implementation and the extending direction of guide chute It is identical, also ensure that indication end is consistent with the direction of action for acting on end, design is reasonable, and cooperation reliable transmission is stablized.

It is further preferred that the surface of the indication end 33 is provided with and is used to indicate the division of working state of circuit breaker and shows Board, plays user suggesting effect, and security is more preferable.As shown in Figure 1, when breaker is in "on" position, indicate indicator from The driving of dynamic structure, the division display board on indication end accordingly indicate closing position；Conversely, indicate indicator is in dynamic structure Under driving, the division display board on indication end accordingly indicates open position.

Obviously, the above embodiments are merely examples for clarifying the description, and is not intended to limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And the obvious variation thus extended out or Among the protection domain that variation is created still in the utility model.

Claims (10)

1. a kind of circuit-breaker switching on-off indicator, including the housing (1) with installation space, microswitch (2), indicate indicator (3) and the driving indicate indicator (3) touches the dynamic structure that the microswitch (2) starts, the indicate indicator (3) Be movably arranged by guide frame along desired guiding trajectory on the housing (1), including loaded in housing with the power knot Matched effect end (31) of structure, it is characterised in that：The dynamic structure includes：

Cursor (4) is rotatably provided in by shaft (10) in the housing (1), and the cursor (4) is in rotation process Effect end (31) is driven to be moved along desired guiding trajectory direction；

Resetting structure (5), for the cursor (4) to be pulled to be moved away from the one side of effect end (31)；

Drive rod (6) is reciprocally moveable and is installed in the housing (1), and its one end is connected to the cursor (4) away from described On one end of shaft (10)；The drive rod (6) can promote the cursor (4) to overcome the resetting structure under external force (5) pulling force rotates to drive the indicate indicator (3) by desired guiding trajectory in institute towards close to the direction of effect end (31) It states and is moved on housing.

2. circuit-breaker switching on-off indicator according to claim 1, it is characterised in that：The cursor (4) is compared with institute The one end for stating shaft (10) is the connecting pin (41) being connected with the resetting structure (5), and the other end is and the drive rod (6) phase The driving end (42) supported and the rotation hole for setting, coordinating suitable for the shaft (10) with the close connecting pin (41).

3. circuit-breaker switching on-off indicator according to claim 2, it is characterised in that：The connecting pin (41) turns to described The length distance in dynamic hole is less than the length distance that driving end (42) arrives the rotation hole.

4. the circuit-breaker switching on-off indicator according to Claims 2 or 3, it is characterised in that：It is described driving end (42) be in The wedge shape of the effect extreme direction extension, the driving inclined-plane (421) including driving effect end (31) action, the work With forming the mating surface (311) that is correspondingly connected with the driving inclined-plane (421) on end (31).

5. circuit-breaker switching on-off indicator according to claim 4, it is characterised in that：The resetting structure (5) is tension spring, Its one end is fixedly connected in the mounting post (11) in the housing (1), and the other end is fixedly connected on the connecting pin (41).

6. circuit-breaker switching on-off indicator according to claim 1, it is characterised in that：The guide frame includes shaping institute It states the guide chute (12) on the side of housing (1) both sides with setting length and takes shape in effect end (31) both sides The sliding block (32) being correspondingly connected on side with the guide chute (12), the desired guiding trajectory prolong for the guide chute (12) Stretch direction, effect end (31) can under the action of the cursor (4) by the sliding block along the guide chute (12) Movement.

7. circuit-breaker switching on-off indicator according to claim 6, it is characterised in that：It is described effect end (31) side wall with Compression spring (7), setting direction and the guide chute (12) of the compression spring (7) are provided between the madial wall of the housing (1) Extending direction it is consistent.

8. circuit-breaker switching on-off indicator according to claim 6, it is characterised in that：The fixed peace of the microswitch (2) On side loaded on the housing (1) one side, the trigger button (21) including extending to the guide chute (12) one side；Institute The one end for stating sliding block (32) stretches through out the guide chute (12), and pressing is contacted along the guide chute (12) motion process The trigger button (21).

9. circuit-breaker switching on-off indicator according to claim 1, it is characterised in that：The indicate indicator (3) include with Effect end (31) is fixedly linked and extends the indication end (33) of housing, and the upper end of the housing (1) is offered suitable for institute The open slot that indication end (33) passes through is stated, the indication end (33) is with effect end (31) action at the both ends of the open slot Between it is reciprocating.

10. circuit-breaker switching on-off indicator according to claim 9, it is characterised in that：The surface of the indication end (33) It is provided with the division display board for being used to indicate working state of circuit breaker.