CN206293391U - A kind of linkage tripping mechanism of reclosing device - Google Patents

Abstract

The utility model provides a kind of linkage tripping mechanism of reclosing device, including housing, drive gear mechanism and linkage trip assembley therefor, the drive gear mechanism drives linkage trip assembley therefor action, the linkage trip assembley therefor includes setting guide chute on the housing, push rod and bias piece are provided with the guide chute, the push rod reciprocatingly slides in drive gear mechanism cam part or guide chute described in bias piece driving lower edge, and is provided with position limiting structure between the guide chute and the push rod.In the utility model, the push rod resets under the bias piece active force along guide chute automatic elastic, and do not deviate from the guide chute by position limiting structure, the dependence to circuit breaker trip bar is freed, avoid the risk of slide fastener, and then sensitivity and the degree of accuracy that linkage tripping mechanism triggers release lever are lifted, this structure setting is simple, transmission performance reliability, the safety and stability that raising is used.

Description

A kind of linkage tripping mechanism of reclosing device

Technical field

The utility model is related to low voltage electrical apparatus technology field, relates in particular to a kind of linkage dropout machine of reclosing device Structure.

Background technology

With the popularization of intelligent grid, the use of I C this electric power meters of card pre-paying kilowatt-hour meter is also increasingly popularized, Needing manually operated breaker cannot meet the requirement of intelligent grid, therefore, need to match pre-paying kilowatt-hour meter exclusively with Circuit breaker, is capable of achieving automatic reclosing operation, transmits a control signal, carries out being capable of achieving remote control, makes breaker Automatic closing or separating brake are carried out, and no longer needs staff to go manual divide-shut brake to operate, be effectively saved manpower and materials.

According to China's power supply network intelligent requirements, the miniature circuit breaker to the end effector of power network is performing upper end letter Number possess tripping operation, closing function；Especially in combination with intelligent electric meter, realize arrearage automatic trip, fill the long-range of expense automatic closing power transmission Control function.

Therefore, existing China Patent Publication No. for CN105118746A patents are disclosed a kind of automatic divide-shut brake driving machine Motor, linkage turbine in structure, including housing and setting housing, connection driven gear and dropout STATEMENT OF FEDERALLY SPONSORED, by driving electricity Machine drives linkage turbine reciprocating rotation, and it is past within the specific limits to contact drive dropout STATEMENT OF FEDERALLY SPONSORED by the convex wheel portion of the turbine that links It is multiple to rotate, realize that separating brake is acted by the driving lever portion triggering separating brake linkage release lever action in dropout STATEMENT OF FEDERALLY SPONSORED；When have arrearage, maintenance During situation, breaker keeps locking state and cannot normally close a floodgate by divide-shut brake actuating mechanism, i.e., by the turbine inverse time of linking The hook end that pin rotation drive is set thereon carries out hook locking with the transmission bar portion of dropout STATEMENT OF FEDERALLY SPONSORED, realizes locking function.

In disclosed automatic divide-shut brake drive mechanism disclosed above, although breaker point can be realized by the dropout part that links Lock is operated and locked operation, but dropout STATEMENT OF FEDERALLY SPONSORED in publication uses fulcrum rotational structure, the linkage of this rotational structure Dropout part volume is big, takes up room big, and itself does not have driving force, resets and lean on completely the linkage release lever of breaker in open circuit Driven during device combined floodgate, the dependence to release lever is big, easily the sensitivity of influence release lever coordinates accurate with both in long-term use Exactness.And after promoting breaker linkage release lever to thread off, because the dropout stick force of breaker is very small, general 0.5N-1N is left Right power will result in circuit breaker tripping, once when dropout STATEMENT OF FEDERALLY SPONSORED there is stuck or clamping stagnation situation and cannot active homing, just Breaker can be caused cannot close a floodgate, and be constantly in the risk of slide fastener state.Secondly, realize that locking function is needed in linkage gear Devise touching one end that a hook is used to catch on linkage dropout part on cam, and must by change direction of motor rotation come Reach hook and hook locking structure with dropout STATEMENT OF FEDERALLY SPONSORED, this respective outer side edges are complicated, and cumbersome, design cost is high.

The content of the invention

The purpose of this utility model is to overcome drawbacks described above, there is provided one kind need not rely on release lever can automatically reset, property Can be stable, safe and reliable, it is to avoid a kind of linkage tripping mechanism for reclosing device of slide fastener occur.

Therefore, in order to solve the above technical problems, the utility model provides a kind of linkage tripping mechanism of reclosing device, bag Housing and the drive gear mechanism and linkage trip assembley therefor that are arranged in the housing are included, the drive gear mechanism drives described Linkage trip assembley therefor action, the linkage trip assembley therefor includes setting guide chute on the housing, the guide chute Push rod and bias piece are inside provided with, the push rod drives to be oriented to described in lower edge and slides in the cam part or bias piece of drive gear mechanism Groove reciprocatingly slides；Position limiting structure is provided between the guide chute and the push rod, so that the push rod is in the cam part Or do not deviate from the guide chute under the active force of bias piece.

Used as a kind of preferred scheme, one end that the correspondence guide chute extends on the housing is provided with dropout hole, institute State and be equipped with dropout hole the release lever, the push rod includes the pushing portion abutted against with the cam part, and is supported by described The touching portion stretched is slided towards the dropout hole site under driving in pushed section.

Used as a kind of preferred scheme, the inclined-plane that the end in the touching portion is provided with for stirring the release lever is oriented to knot Structure.

As a kind of preferred scheme, position limiting structure is provided between the guide chute and the push rod, so that described push away Bar does not deviate from the guide chute under the active force of the cam part or the active force of bias piece.

Used as a kind of preferred scheme, the guide chute both sides are provided with relative the first cell wall and the second cell wall, described Position limiting structure includes the confined planes extended by second cell wall bending, and is arranged on correspondence between the pushing portion and touching portion The middle gear face on the confined planes is connected to, and is taken shape in the touching portion and is correspondingly resisted against the first cell wall side Hook face on side.

Formed as a kind of preferred scheme, between the first cell wall side and the relative position of the confined planes and be used to limit The spacing port of the fixed push rod sliding scale.

Used as a kind of preferred scheme, the bias piece is back-moving spring, and one end of the back-moving spring is connected to the limit On plane, the other end is connected in the spring locating slot in the middle gear face.

Used as a kind of preferred scheme, the spring locating slot is to take shape in middle gear face upper groove.

As a kind of preferred scheme, the drive gear mechanism include for drive the linkage trip assembley therefor to act the Two travelling gears, second travelling gear includes from driven gear, and coaxial linkage be arranged on it is described from driven gear two The partial gear and cam part of side, the driven gear drive the cam part rotation to push the putter action.

Above-mentioned technical proposal of the present utility model has advantages below compared to existing technology：

1st, in a kind of linkage tripping mechanism of reclosing device that the utility model is provided, by the guide chute Push rod and bias piece are set, when push rod stress skew triggering tripping mechanism carries out separating brake action, or in bias after distress resolves Under the active force of part during elastic reset, the guide chute can be slided with priming push rod in the range distance that it is limited, to protect Card push rod proper motion track under different conditions, compared with prior art, makes it stir breaker when cam part compresses push rod After release lever is threaded off, the push rod resets under the bias piece active force along guide chute automatic elastic, has freed to open circuit The dependence of device release lever, it is to avoid the risk of slide fastener.And position limiting structure is set between push rod and wire chute, for only The sliding scale of push rod is kept off, including the hook face being arranged on push rod, after ensure that push rod resets, it pushes end all the time The lowest point of cam part curved end is not contacted, it is to avoid friction with the cam part.Therefore, it is of the present utility model Dynamic tripping mechanism simple structure, with reset function, improves overall transmission performance, and then it is de- to lift linkage tripping mechanism triggering The sensitivity of button bar and the degree of accuracy, it is ensured that the normal divide-shut brake of breaker is unaffected, and security performance and performance are more reliable.

2nd, in a kind of linkage tripping mechanism of reclosing device that the utility model is provided, breaker arrearage or when safeguarding, Need to be kept locking state so that breaker can not close a floodgate, the utility model is resisted against push rod one by the convex wheel portion of gear End, orders about the open position that push rod one end slides into dropout hole, so that breaker keeps locked gate-dividing state, with existing skill Locking structure in art is compared, as long as the utility model realizes that locking function just can jail after cam part highest point is contacted with push rod The motion of the locked push rod in jail, this simple structure saves design cost, coordinates reliable, and motor only needs to a direction and rotates, letter Change operating process, electrical machinery life can be effectively improved.

3rd, in a kind of linkage tripping mechanism of reclosing device that the utility model is provided, the position limiting structure includes spacing Face and the middle gear face that correspondence is connected on the confined planes is arranged between the pushing portion and touching portion, and takes shape in institute State in touching portion and the corresponding hook face being resisted against on the first cell wall side.It is sliding when push rod is slided towards release lever direction Coordinated by confined planes and middle gear face after dynamic respective distance and stop that it continues to slide；Likewise, it is inclined to be biased part in push rod Pressure resets when sliding, and is coordinated by linking up with face and the first cell wall side and stops that its continues to slide, in case the friction of throw-out lever one end or Insert below the cam part of gear.Rationally, simple structure coordinates reliable to this structure setting, and the standard of push rod slip is effectively ensured True property and promptness, it is practical.

Brief description of the drawings

In order to illustrate more clearly of the utility model specific embodiment or technical scheme of the prior art, below will be right The accompanying drawing to be used needed for specific embodiment or description of the prior art is briefly described, it should be apparent that, describe below In accompanying drawing be some implementation methods of the present utility model, for those of ordinary skill in the art, do not paying creativeness On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.

The structural representation of the linkage tripping mechanism of the reclosing device that Fig. 1 is provided for the utility model；

The structural representation of the "on" position of the linkage tripping mechanism of the reclosing device that Fig. 2 is provided for the utility model；

The gate-dividing state structural representation of the linkage tripping mechanism of the reclosing device that Fig. 3 is provided for the utility model；

Fig. 4 is the dimensional structure diagram of the push rod shown in Fig. 1；

Guide chute and the structural representation in dropout hole that Fig. 5 is provided for the utility model；

Description of reference numerals：

The travelling gears of 2- second, 21- driven gears, 23- cam parts, 4- housings, 41- guide chutes, 42- dropouts hole, 43- First cell wall, the cell walls of 44- second, 45- confined planes, 5- motors, 6- push rods, 61- pushing portions, 62- touchings portion, 63- is oriented to Structure, 64- middle gears face, 65- hooks face, 7- bias pieces.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, this The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality Novel protected scope.

It is term " " center ", " on ", D score, "left", "right", " perpendicular, it is necessary to explanation in description of the present utility model Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outward " are, based on orientation shown in the drawings or position relationship, to be only Described with simplified for the ease of description the utility model, must had rather than the device or element for indicating or implying meaning specific Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.Additionally, term " the One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.

, it is necessary to explanation, unless otherwise clearly defined and limited, term " is pacified in description of the present utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly Connection；Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Can be two connections of element internal.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.

As long as additionally, technical characteristic involved in the utility model different embodiments disclosed below is each other Not constituting conflict can just be combined with each other.

Embodiment 1

A kind of linkage tripping mechanism of reclosing device that 1-5 is provided the present embodiment is carried out specifically below in conjunction with the accompanying drawings It is bright：

A kind of linkage tripping mechanism of reclosing device that the present embodiment is provided, including housing 4 and it is arranged on the housing 4 Interior drive gear mechanism and linkage trip assembley therefor, the drive gear mechanism drives the linkage trip assembley therefor action, described Linkage trip assembley therefor includes being arranged in guide chute 41 on the housing 4, the guide chute 41 and is provided with push rod 6 and partially Casting die 7, the push rod 6 drives guide chute 41 described in lower edge back and forth sliding in the cam part 23 or bias piece 7 of drive gear mechanism It is dynamic；Be provided with position limiting structure between the guide chute 41 and the push rod 6 so that the push rod 6 in the cam part 23 or The guide chute 41 is not deviate under the active force of bias piece 7.

It should be noted that as shown in figure 1, being provided with motor 5, and the whirlpool with its setting that links in the housing 4 Wheel, and the drive gear mechanism being linked with turbine；The drive gear mechanism is included for driving the linkage to thread off Second travelling gear 2 of component action, second travelling gear 2 includes driven gear 21, and is co-axially located at described driven The partial gear and cam part 23 of gear both sides, the cam part 23 are rotated with the driven gear 21 and compress the push rod 6, It is close to the release lever direction to order about the push rod 6.

In the above-mentioned implementation method of the present embodiment, by setting push rod 6 and bias piece 7 in the guide chute 41, when The stress of push rod 6 skew triggering tripping mechanism carries out separating brake action, or elasticity is multiple under the active force of bias piece after distress resolves During position, the guide chute 41 can be slided with priming push rod in the range distance that it is limited, to ensure push rod in different conditions Lower proper motion track, it is compared with prior art, described after cam part compresses push rod it is stirred circuit breaker trip bar dropout Push rod 6 resets under the active force of the bias piece 7 along guide chute automatic elastic, has freed the dependence to circuit breaker trip bar Property, it is to avoid the risk of slide fastener.And position limiting structure is set between push rod 6 and guide chute 41, for the cunning of backstop push rod Dynamic scope, including the hook face being arranged on push rod, after ensure that push rod 6 resets, it pushes end and does not contact convex all the time The curved end of wheel portion 23 lowest point (if cam part compress push rod slide and can stir release lever contact surface be highest Point end face, then lowest point is the contact surface that curved end peak extends to both sides arc side), it is to avoid it is with described convex The friction of wheel portion 23.Therefore, the simple structure of linkage tripping mechanism of the present utility model, with reset function, improves entirety Transmission performance, and then lift sensitivity and the degree of accuracy of linkage tripping mechanism triggering release lever, it is ensured that the normal division of breaker Lock is unaffected, and security performance and performance are more reliable.

In the present embodiment, the linkage trip assembley therefor is driven to act so that breaker by second travelling gear 2 Separating brake, linkage trip assembley therefor of the present utility model using it is a kind of set shell inner surface, can automatically reset slide construction, coordinate The convex wheel portion 23 of second travelling gear is so that linkage trip assembley therefor stirs release lever on breaker and realizes separating brake；On the one hand, it is convex Wheel portion is rotatably arranged on the inner surface of housing 4, thus gap between cam part and housing 4 can be set to it is smaller, while making convex Wheel portion 23 could be arranged to thicker for the end face of contact such that it is able to avoid the part in linkage trip assembley therefor from being slided with cam part Insert off under cam part.

The operation principle of linkage tripping mechanism in the present embodiment is illustrated with reference to Fig. 2 and Fig. 3：When breaker automatic brake separating When, the motor 5 links the turbine so as to drive the cam part 23 on second travelling gear 2 to rotate, to drive The push rod 3 is slided along guide chute and stirs release lever so that breaker quick acting switching-off, gate-dividing state as shown in Figure 3；When disconnected When road device needs automatic closing, second travelling gear drives lower band moving cam portion 23 to be rotated further in motor, now cam Portion 23 is released away from the one end of push rod 6, and the push rod 6 is under the active force of bias piece 7 along the elastic reset of guide chute 41, such as Fig. 2 Shown "on" position.

On the basis of above-mentioned implementation method, as shown in Figure 4 and Figure 5, the correspondence guide chute 41 extends on the housing 4 One end be provided with dropout hole 42, be equipped with the release lever in the dropout hole 42, the push rod 6 includes and the cam part The pushing portion 61 for abutting against, and by the touching portion 62 stretched towards the position of dropout hole 42 cunning under the driving of the pushing portion 61；It is this Structure setting, when push rod is driven it can move towards dropout hole site, so that touching release lever makes circuit breaker trip；And Distress resolves it is no can under bias piece active force elastic recoil, it is novel in design, and transmission coordinates reliable, safe and practical.

In order to ensure sensitivity and promptness that push rod touching end 62 contacts with release lever, the behaviour that threads off can be smoothly realized Make, the end in the touching portion 62 is provided with the inclined-plane guide frame 63 for stirring the release lever.

As one kind preferred embodiment, the both sides of the guide chute 41 are provided with relative first cell wall and the second groove A kind of wall, set-up mode as shown in Figure 4 and Figure 5, the position limiting structure is included by the spacing of second cell wall bending extension Face 45, and the middle gear face 64 that correspondence is connected on the confined planes 45 between the pushing portion 61 and touching portion 62 is arranged on, And take shape in the touching portion 62 and the corresponding hook face 65 being resisted against on the first cell wall side；First cell wall Formed between the relative position of side and the confined planes 45 and be used to limit the spacing port of the sliding scale of the push rod 6.It is described The extended distance of spacing port is the actual sliding scale that the stress in the guide chute 41 of push rod 6 reciprocatingly slides.At this In embodiment, when push rod 6 is slided towards release lever direction, stop is coordinated by confined planes and middle gear face after sliding respective distance It continues to slide；Likewise, when push rod 6 is biased the reset of the biasing force of part 7 and slides, by linking up with face and the first cell wall side Coordinate and stop that it continues to slide, in case below the friction of throw-out lever one end or insertion cam part.Rationally, structure is simple for this structure setting It is single, coordinate reliable, the accuracy and promptness of push rod slip is effectively ensured, it is practical.

Further preferably, the bias piece 7 is preferably back-moving spring, and one end of the back-moving spring is connected to described spacing On face 45, the other end is connected in the spring locating slot in the middle gear face 64, the spring locating slot for take shape in it is described in The upper groove of bay face 64.So ensure that spring has the fixed strong point, and be not in off normal and loosening phenomenon in stressing conditions.

It should be noted that when breaker arrearage or maintenance when, it is necessary to kept locking state with prevent breaker with Meaning is closed a floodgate, and the utility model drives the convex wheel portion 23 of the second travelling gear 2 to be resisted against the one end of push rod 6 by motor, orders about push rod 6 One end slides into the open position in dropout hole 42, so that breaker keeps locked gate-dividing state, with lock of the prior art Fast knot structure is compared, as long as the utility model realizes that locking function just can jail after the peak position of cam part 23 is contacted with push rod 6 The motion of the locked push rod in jail, this simple structure saves design cost, coordinates reliable, and motor only needs to a direction and rotates, letter Change operating process, electrical machinery life can be effectively improved.

Obviously, above-described embodiment is only intended to clearly illustrate example, and not to the restriction of implementation method.It is right For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or Change.There is no need and unable to be exhaustive to all of implementation method.And the obvious change thus extended out or Among the protection domain that variation is created still in the utility model.

Claims (8)

1. the linkage tripping mechanism of a kind of reclosing device, including housing (4) and the travelling gear being arranged in the housing (4) Mechanism and linkage trip assembley therefor, the drive gear mechanism drive the linkage trip assembley therefor action, it is characterised in that：It is described Dynamic trip assembley therefor includes being provided with push rod in the guide chute (41) being arranged on the housing (4), the guide chute (41) (6) and bias piece (7), the push rod (6) drives in the cam part (23) or bias piece (7) of drive gear mechanism and led described in lower edge Reciprocatingly slided to chute (41)；Position limiting structure is provided between the guide chute (41) and the push rod (6), so that described push away Bar (6) does not deviate from the guide chute (41) under the active force of the cam part (23) or bias piece (7).

2. the linkage tripping mechanism of a kind of reclosing device according to claim 1, it is characterised in that：The housing (4) One end that the upper correspondence guide chute (41) extends is provided with dropout hole (42), is equipped with the dropout hole (42) described de- Button bar, the push rod (6) includes the pushing portion (61) that is abutted against with the cam part, and is driven lower court by the pushing portion (61) Slide the touching portion (62) stretched in dropout hole (42) position.

3. the linkage tripping mechanism of a kind of reclosing device according to claim 2, it is characterised in that：The touching portion (62) end is provided with the inclined-plane guide frame (63) for stirring the release lever.

4. the linkage tripping mechanism of a kind of reclosing device according to claim 2, it is characterised in that：The guide chute (41) both sides are provided with relative the first cell wall (43) and the second cell wall (44), and the position limiting structure is included by second cell wall (44) confined planes (45) that bending extends, and be arranged between the pushing portion (61) and touching portion (62) described in corresponding being connected to Middle gear face (64) on confined planes, and take shape on the touching portion (62) and be correspondingly resisted against the first cell wall side On hook face (65).

5. the linkage tripping mechanism of a kind of reclosing device according to claim 4, it is characterised in that：First cell wall Formed between side and the relative position of the confined planes (45) and be used to limit the spacing port of the push rod (6) sliding scale.

6. the linkage tripping mechanism of a kind of reclosing device according to claim 4, it is characterised in that：The bias piece (7) it is back-moving spring, one end of the back-moving spring is connected on the confined planes (46), and the other end is connected to the middle gear In the locating slot in face (64).

7. the linkage tripping mechanism of a kind of reclosing device according to claim 6, it is characterised in that：The locating slot is Take shape in the groove on the middle gear face (64).

8. the linkage tripping mechanism of a kind of reclosing device according to claim 1, it is characterised in that：The travelling gear Mechanism includes the second travelling gear (2) for driving the linkage trip assembley therefor to act, and second travelling gear (2) includes The partial gear and cam part (23) from driven gear (21) both sides is arranged on from driven gear, and coaxial linkage, The driven gear (21) drives cam part (23) rotation to push the push rod (6) action.