CN206628429U - A kind of moving contact Kuai He mechanisms and the breaker for possessing moving contact Kuai He mechanisms - Google Patents

Abstract

It the utility model is related to a kind of moving contact Kuai He mechanisms and possess the breaker of moving contact Kuai He mechanisms, by setting accumulation of energy bar and retainer on support, accumulation of energy elastic component is provided between the accumulation of energy bar and moving contact, the retainer can contradict and the spacing moving contact；Meanwhile the operating parts is connected to the accumulation of energy bar, the operating parts is provided with clicking section to stir the retainer；Operating parts acts on the moving contact by the accumulation of energy bar, that is, realizes and integrate accumulating mechanism and moving contact link gear, simplify the structure of moving contact Kuai He mechanisms, improve packaging efficiency and stability；Realize accumulating mechanism and integrate that to serve that dynamic compensates the effect of the moving contact service wear, the operating parts directly acts on stopper structure with moving contact link gear, accumulation of energy elastic component simpler, moving contact stop and discharge more reliable and stable.

Description

A kind of moving contact Kuai He mechanisms and the breaker for possessing moving contact Kuai He mechanisms

Technical field

The general technology field of circuit arrangement is the utility model is related to, more specifically, the utility model is related to a kind of control Line or switch processed, so as to a kind of moving contact Kuai He mechanisms of circuit quick-make and possess the open circuits of moving contact Kuai He mechanisms Device.

Background technology

Line switching or breaker include the binding post of two line attachments, and being provided between two binding post can Disconnecting circuit；This can disconnecting circuit include the operating parts of moving contact, static contact and control moving contact position, breaker also wraps Include latch components, for controlling bimetal leaf that the temperature-sensitive of the latch components disconnects and an electromagnetism comprising coil to disconnect Part；There is the inserted-link type iron core being connected with push rod in the coil of electromagnetism disconnecting unit, locked in line short, to pass through to open Buckle assembly, the one or several moving contacts being in contact with static contact are made to reset and ensure circuit and disconnect.

In the prior art, breaker is closed typically by promoting operating parts, and the operating parts is generally handle, make to be connected to Linkage on operating parts drives moving contact close or remote static contact, to reach the purpose closed, in this course, The division speed of dynamic/static contact is relevant with the velocity of rotation of operating parts, belongs to slow and closes fast point, therefore, in closing course, due to The movement velocity of moving contact is slower, in the closing course of dynamic/static contact easily produce electric arc, calcination dynamic/static contact and other Breaker parts, easily trigger circuit breaker failure, shorten the service life of breaker.

For the problem, prior art has pointed out a quick-acting closure, such as Patent No. CN201420006240.8 Utility model patent discloses a kind of energy storage device, and the energy storage device is used for breaker, including energy storage bar and energy storage locating part, Wherein, energy storage bar is reciprocally disposed within the housing of breaker, and the handle in the operating mechanism of breaker is affiliated in one end On, the other end is provided with the first limiting plate, and the first returning device is provided between energy storage bar and housing；Energy storage locating part is fixed One end that operating mechanism is connected with moving contact is arranged on, is provided with and coordinates the second spacing limiting plate with the first limiting plate, The front end of second limiting plate protrudes from the front end of moving contact.

In prior art, by increasing energy storage device in breaker, make moving contact after cephalomotor to stationary contact Phase can obtain faster speed, reach the purpose closed soon soon open, and reduce the generation of electric arc；However, the technical scheme is present such as Lower defect：

（1）Energy storage is occurred by the elastic properties of materials deformation of moving contact, under multiple folding condition, moving contact be also easy to produce fatigue or Plastic deformation, breaker electric conductivity is influenceed, or even be easily caused purpose of breaker failure.

（2）Energy storage locating part is connected by the pin that links with moving contact, realizes the linkage of energy storage locating part and moving contact, In this kind of structure, locating part is discharged, during making moving contact closure, the moving contact persistently keeps the connection with energy storage locating part It is dynamic, reduce the movement velocity of moving contact, it is impossible to function well as the purpose for reducing electric arc.

（3）Energy storage bar, energy storage locating part cooperatively form an additional stored energy mechanism, part accelerate it is more, complicated, Greatly increase the breaker cost, assembling difficulty；Meanwhile the energy storage bar, energy storage locating part are all connected on operating mechanism, are made The stability of the operating mechanism is greatly lowered, equipment failure rate is high.

（4）In the prior art, stored energy mechanism, operating mechanism and locking mechanism are absolute construction module, fail to realize The integration of difference in functionality module, its part is complicated, stability is not high.

The content of the invention

The utility model aims to provide a kind of moving contact Kuai He mechanisms and possesses the breaker of moving contact Kuai He mechanisms, To solve the problems, such as that existing switch or breaker close mechanism structure complexity, poor performance soon.

The utility model concrete scheme is as follows：A kind of moving contact Kuai He mechanisms, act on moving contact, make the moving contact relative Fixed static contact moves between two settling positions, and two settling position is respectively：Moving contact contacted with static contact so that Circuit turn-on closes position and moving contact away from the static contact so that the disconnection position that circuit disconnects；It is characterized in that：This is dynamic tactile Tou Kuaihe mechanisms include a support, in addition to moving contact component, a retainer and the operation being movably installed on the support Part；The moving contact component includes a moving contact, an accumulation of energy bar being flexibly connected with the operating parts and an accumulation of energy elastic component, the storage By activity installation respectively, the accumulation of energy bar carries out power transmission with the moving contact by accumulation of energy elastic component and is connected, and is somebody's turn to do for energy bar and moving contact Accumulation of energy elastic component has the position with moving contact conflict and accumulation of energy bar conflict effect respectively, and the accumulation of energy elastic component is returned this and moved Contact applies one by disconnecting position to the active force for closing position；The operating parts is promoted, so that the accumulation of energy bar is made by accumulation of energy elastic component For the moving contact, then the moving contact contacts at retainer, and then the accumulation of energy bar continues motion so that accumulation of energy with respect to moving contact Elastic component accumulation of energy；It is further continued for promoting the operating parts until the operating parts acts on retainer, it is dynamic tactile to discharge to make retainer motion Head, the accumulation of energy elastic component of now accumulation of energy act on moving contact, it is quickly reached closure position.

Further, first, second and the 3rd installation axle are arranged at intervals with the support；The retainer, operating parts point It is not pivoted and is installed on the support by the first, the 3rd installation axle, and then realizes the activity of retainer, operating parts and support Installation；The accumulation of energy bar and the moving contact are pivoted by second installation axle to be installed on the support, and then realizes the storage Energy bar and moving contact are by activity installation respectively.

Further, a torsion spring is also arranged with the 3rd installation axle, the torsion spring acts on the retainer, with to the stop Part applies a moment of torsion rotated towards the moving contact direction.

Further, the accumulation of energy elastic component is torsion spring, including reverses body and two torque arm；It is conductive that the moving contact includes one Plate and a plugboard being fixed on the conductive plate, it is quiet for connection two simultaneously that the conductive plate is provided with two electric contacts Contact, the plugboard are provided with the spliced eye of a side openings；Second installation axle, which sequentially passes through, reverses body and accumulation of energy bar, and The moving contact is loaded second installation axle in the spliced eye by the side openings of the spliced eye afterwards, and makes the two of the torsion spring Torque arm is respectively acting on the conductive plate and accumulation of energy bar, and then realizes the installation of the moving contact component.

Further, in addition to a link assembly and a latch components：The link assembly includes the connection that is mutually pivoted Link member and push rod, and connecting rod, push rod are also pivoted and are connected on accumulation of energy bar and operating parts respectively, and the operating parts leads to Cross the link assembly and realize and be flexibly connected with accumulation of energy bar；The latch components, which include to be pivoted respectively, to be connected on the support Tripping part and snap close piece, the tripping part are engaged to form a closing component structure with snap close piece, the locked state of the closing component structure Release to occur to swing around axle by the snap close piece and realize；A chute is also formed on the tripping part, the link member or push rod are provided with One adaptation is installed on the slide section in the chute；It is spacing to be provided with one for slide section position when the chute corresponds to moving contact closure position Dead point, and then realize the sealed of moving contact.

Further, in addition to (the first back-moving spring and second back-moving spring；The (the first back-moving spring one end is connected to On the support, the other end is connected on the accumulation of energy bar, to apply one towards the work for disconnecting position to the moving contact by the accumulation of energy bar Firmly；The second back-moving spring one end is connected to the support, and the other end acts on the snap close piece, so as to release being somebody's turn to do for locked state Closing component structure resets sealed.

Further, the support is frame structure, including the lower carriage and upper bracket being oppositely arranged, the moving contact group Part, retainer and operating parts are located between the upper and lower support.

Further, a retainer for being used to contradict the moving contact is formed on the retainer, is formed on the operating parts One clicking section for stirring the retainer；The operating parts is promoted, the moving contact is contacted at the retainer and is contacted at realizing The retainer；It is further continued for promoting the operating parts to make the clicking section act on retainer, to realize that operating parts acts on the retainer； The retainer is moved so that the contact part departs from the moving contact, to realize the release of moving contact.

Further, the end of the retainer is also equipped with the wearing piece of a metal material, and can be supported by the wearing piece Touch in the moving contact, to play the effect for preventing that the retainer from wearing.

Further, the retainer extends formed with an arresting lever towards the operating parts, promotes the operating parts to make clicking section Contradict and stir the arresting lever to realize that operating parts acts on the retainer.

The utility model also disclosed a kind of breaker, includes the housing of insulation, an at least wiring is included in the housing Group, every group of wiring group include static contact, the first terminals and the second terminals；First terminals are electrically connected with static contact Connect；Above-mentioned moving contact Kuai He mechanisms, the support are fixed in the housing, and the moving contact electrically connects with second terminals, The operating parts protrudes out the handle portion outside the housing provided with one.

Moving contact Kuai He mechanisms of the present utility model and the breaker for possessing moving contact Kuai He mechanisms, by support Upper setting accumulation of energy bar and retainer, are provided with accumulation of energy elastic component, the retainer can be contradicted and limited between the accumulation of energy bar and moving contact The position moving contact；Meanwhile the operating parts is connected to the accumulation of energy bar, the operating parts is provided with clicking section to stir the retainer, its is excellent Put and be：

（1）Operating parts acts on the moving contact by the accumulation of energy bar, that is, realizes accumulating mechanism and moving contact gear Structure is integrated, and is simplified the structure of moving contact Kuai He mechanisms, is improved packaging efficiency and stability；

（2）Accumulating mechanism is integrated and moving contact link gear, it is easier to further integrates locking mechanism.

（3）Accumulation of energy elastic component is provided between accumulation of energy bar and moving contact, in moving contact pushing course, plays the work of accumulation of energy With, moving contact reach closure position when play a part of elastic compression moving contact, serve dynamic compensate the moving contact using damage The effect of consumption, avoid influence of the arc erosion to electrical property after closure；

（4）The operating parts directly acts on retainer, and structure is simpler, moving contact stop and release it is more stable can Lean on.

Brief description of the drawings

Fig. 1 is the moving contact Kuai He mechanisms front view of the utility model embodiment one；

Fig. 2 is Fig. 1 structural representations；

Fig. 3 is Fig. 2 explosive views；

Fig. 4 is that moving contact is in the front view for disconnecting position after Fig. 1 removes support；

Fig. 5 is Fig. 1 moving contact component structural representations；

Fig. 6 is Fig. 5 explosive views；

Fig. 7 is that moving contact is in front view during accumulation of energy after Fig. 1 removes support；

Fig. 8 is that moving contact starts dropout front view after Fig. 1 removes support；

Fig. 9 is Fig. 8 rearviews；

Figure 10 is that front view is completed in dropout after Fig. 1 removes support；

Figure 11 is Fig. 7 stopper structure schematic diagrames；

Figure 12 is Fig. 7 explosive views；

Figure 13 is that the breaker of the utility model embodiment two removes the front view after upper shell and upper bracket.

Embodiment

To further illustrate each embodiment, the utility model is provided with accompanying drawing.These accompanying drawings are in the utility model discloses A part for appearance, it can coordinate the associated description of specification to explain the running of embodiment original mainly to illustrate embodiment Reason.Cooperation refers to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and this practicality are new The advantages of type.Component in figure is not necessarily to scale, and similar element numbers are conventionally used to indicate similar component.

The utility model is further illustrated in conjunction with the drawings and specific embodiments.

Embodiment one：

The embodiment is a moving contact Kuai He mechanism, and with reference to Fig. 1, Fig. 2 and Fig. 3, moving contact Kuai He mechanisms act on Moving contact 31 simultaneously controls the position of moving contact 31, makes the moving contact 31 with respect to a fixed static contact（The moving contact closes soon Mechanism does not include, not shown, see the mark of the embodiment of the breaker for applying moving contact Kuai He mechanisms shown in Figure 13 Numbers 54 part）The mobile handoff between two settling positions, two settling position are respectively that moving contact 31 contacts with static contact So that circuit turn-on closes position and moving contact away from the static contact so that the disconnection position that circuit disconnects.

In conjunction with shown in Fig. 1 and Fig. 2, the moving contact Kuai He mechanisms of the embodiment, include support 10, moving contact component 30th, operating parts 1, retainer 2 and the latch components 40 of link assembly 20 and one；The moving contact component 30, operating parts 1, stop Part 2 and latch components 40 are movably installed on the support 10, the link assembly 20 be respectively connecting to moving contact component 30 and Operating parts 1, and then realize the linkage of operating parts 1 and moving contact component 30.

With reference to Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the support 10 is frame structure, including the lower carriage being oppositely arranged and upper branch Frame, moving contact component 30, operating parts 1, retainer 2 and the latch components 40 of link assembly 20 and one are mounted on this, In cavity between lower carriage；Specifically, and it is spaced a distance and is respectively arranged between the upper and lower support：First installation Axle 11, the second installation axle 12 and the 3rd installation axle 13, the retainer 2 are sheathed in the 3rd installation axle 13,1 set of the operating parts In the first installation axle 11, and then the activity installation of retainer 2, operating parts 1 and support 10 is realized, specifically, to be pivoted Installation.

The moving contact component 30 includes a moving contact 31 and an accumulation of energy bar 4 and a torsion spring as accumulation of energy elastic component 33；The accumulation of energy bar 4 and the moving contact 31 are pivoted by second installation axle 12 to be installed on the support 10, so that the accumulation of energy Bar 4 and moving contact 31 independent can rotate around second installation axle 12, i.e., the two is by activity installation respectively；The torsion spring 33 Body is reversed also to be sheathed in second installation axle 12, and two torque arm are respectively acting on accumulation of energy bar 4 and moving contact 31, with dynamic tactile to this First 31 apply one by disconnecting position to the active force for closing position.

In conjunction with Fig. 3, Fig. 7 and Fig. 9, a retainer 23 for being used to contradict the moving contact 31 is formed on the retainer 2, and The retainer 2 also extends formed with an arresting lever 24 towards the direction of the operating parts 1, and in this embodiment, retainer 23 is with stopping Lever 24 is set into V-shaped；One is formed on the operating parts 1 with the arresting lever 24 to coordinate for stirring dialling for the retainer 2 Dynamic portion 14, twisting promote the operating parts 1 to contact clicking section 14 and stir the arresting lever 24 can to realize that operating parts 1 acts on The retainer 2.

It is visible with reference to Figure 11, Figure 12, a mounting hole 231, then u-shaped wearing piece are offered on the retainer 23 230 are installed on the retainer 23 by the mounting hole 231, and an arm of the wearing piece 230 is provided at the end of retainer 23, In this embodiment, wearing piece 230 is metal material, it is preferred that is copper, irony or stainless steel；Retainer 23 can lead to Cross the wearing piece 230 and contact at the moving contact 3, to play the effect for preventing that the retainer from wearing.

The process that the moving contact 31 of the embodiment is switched to closure position by disconnection position is as follows：

（1）Start accumulation of energy：With reference to Fig. 4 and Fig. 7, the operating parts 1 is promoted, the operating parts 1 is pushed away by the linkage of link assembly 20 Move the accumulation of energy bar 4 to rotate, and the moving contact 31 rotation is made until contacting at retainer 23 by the accumulation of energy bar 4, torsion spring 33, should Process accumulation of energy bar 4, moving contact 31 are synchronous to be rotated around the second installation axle 12；

（2）Accumulation of energy process：With reference to Fig. 7 to Fig. 9, continue rotary operating member 1, make the accumulation of energy bar 4 with respect to moving contact 31 around the The rotational motion of two installation axle 12, make the accumulation of energy elastic component torsion spring accumulation of energy to compress torsion spring 33；Until link assembly 20 reaches Dead point, and clicking section 14 is contacted the arresting lever 24；

（3）Moving contact discharges：With reference to Figure 10, it is further continued for promoting the operating parts 1, the clicking section 14 is acted on retainer 2, Retainer 2 rotates around the 3rd installation axle 13, makes the displacement of retainer 23 to discharge moving contact 31, now torsion spring 33 discharge elasticity, Acting on moving contact makes it quickly reach closure position；Contact is realized to close soon.

With reference to Fig. 5 and Fig. 6, the main part of moving contact 31 is a conductive plate, and a plugboard 32 is additionally provided with the conductive plate, tool Body：The conductive plate is provided with two electric contacts for connecting two static contacts simultaneously, and then the moving contact 31 is turned into one The moving contact of double-contact, two necks are also formed on the conductive plate, the plugboard 32 is provided with two be connected in two neck Fixture block, welding after the plugboard 32 is inserted on the conductive plate, and then realize plugboard 32 and be fixed on the conductive plate.

The spliced eye of a side openings is additionally provided with the plugboard 32；Second installation axle 12 sequentially passes through torsion spring 33 Two reverse bodies and the hole through accumulation of energy bar 4, the side torque arm of the torsion spring 33 is contacted on the accumulation of energy bar, separately Side torque arm is contacted on the conductive plate of the moving contact 31, then sideways against the moving contact 31, makes the moving contact 31 by this The side openings of spliced eye are connected in second installation axle 12, and second installation axle 12 is loaded into the spliced eye to realize It is interior, and two torque arm of the torsion spring 33 is respectively acting on the conductive plate and accumulation of energy bar 4 of the moving contact 31, and then realize this The installation of moving contact component 30.

Further, in order to realize chain function, the link assembly 20 include the link member 22 of the connection that is mutually pivoted with And push rod 21, then the connecting rod 22 is hubbed on accumulation of energy bar 4, push rod 21 is pivoted on attended operation part 1, the operating parts 1 Realized by the link assembly 20 and be flexibly connected with accumulation of energy bar 4.

The latch components 40 include the tripping part 42 and snap close piece 41 for being pivoted be connected on the support respectively, the tripping Part 42 is engaged to form a closing component structure with 41 free one end of snap close piece, and the releasing of the locked state of the closing component structure is by the lock The swing that drive-connecting shaft axle around snap close piece 41 Yu housing 10 occurs for fastener 41 realizes that the closing component structure is of the prior art chain Mechanism, this specification repeat no more.

A chute 421 is also formed on the tripping part 42, the link member is adapted to the drive-connecting shaft of the push rod and is installed on the cunning Groove 421 is interior and then forms a slide section；The chute 421 shaping one is J-shaped, and then closes the corresponding moving contact 31 of the chute 421 Slide section position is provided with a spacing dead point during position, and then realizes the sealed of moving contact.

Further, for ensure locked state contact after automatically reseting, the embodiment also include (the first back-moving spring, Second back-moving spring and torsion spring；The (the first back-moving spring one end is connected on the support 10, and the other end is connected to the accumulation of energy bar 4 On, to apply one towards the active force for disconnecting position to the moving contact 31 by the accumulation of energy bar 4；The second back-moving spring one end connects In the support 10, the other end acts on the snap close piece 41, so that the closing component structure reset for releasing locked state is sealed；The torsion spring It is sheathed in the 3rd installation axle 13, the torsion spring acts on the retainer 2, dynamic tactile towards this to apply one to the retainer 2 The moment of torsion that first 31 direction rotates, retainer 13 is set to be located towards the position of moving contact 31 again.

It is understood that in other implementations：

（1）Operating parts, retainer and moving contact, it can also be and form prismatic pair installation with support；If operating parts is cunning Block, chute of adaptation etc. is set in support；（2）Accumulation of energy bar, the moving contact of moving contact component can be pivoted respectively with different drive-connecting shafts It is installed on support, or, the moving contact, which can also be pivoted, to be installed on the accumulation of energy bar；（3）Accumulation of energy elastic component can also be single Torsion spring, pressing spring, disc spring or elastic rod etc., the accumulation of energy elastic component, which has to contradict with moving contact conflict and accumulation of energy bar respectively, to be made Position, the accumulation of energy bar is carried out power transmission with the moving contact by accumulation of energy elastic component and be connected, the accumulation of energy elastic component returns this Moving contact applies one by disconnecting position to the active force for closing position.

Embodiment two：

With reference to Figure 13, the embodiment discloses a kind of breaker, including housing 50 made of ambroin, the housing 50 It is fastened and is formed by two half-shell structures；The first terminals 51, magnet assembly 53, static contact are sequentially installed with the housing 50 54th, the moving contact Kuai He mechanisms of embodiment one, the second terminals 52；First terminals 51, magnet assembly 53 and static contact 54 are sequentially connected in series electrical connection, while second terminals 52 close machine soon by conductive copper sheet and the copper cash that is flexible coupling etc. with moving contact The free end of moving contact 31 electrical connection of structure, to form a controllable wiring group.

The support of the Kuai He mechanisms of moving contact 31 is fixed in the housing 50, and the operating parts protrudes out the housing 50 provided with one Outer handle portion.

Magnet assembly 53 is provided with a thimble portion towards dropout part 41, works as line short, and the dropout part 41 is hit in thimble portion, Make tripping part rotational displacement, the dead point of the link assembly is opened, realizes moving contact 31 and reset.

Although specifically showing and describing the utility model with reference to preferred embodiment, those skilled in the art should This is understood, is not departing from the spirit and scope of the present utility model that appended claims are limited, in form and details On the utility model can be made a variety of changes, be the scope of protection of the utility model.

Claims (10)

1. a kind of moving contact Kuai He mechanisms, act on moving contact, make the relatively-stationary static contact of the moving contact two stable positions Moved between putting, two settling position is respectively：Moving contact is contacted with static contact so as to the closure position of circuit turn-on and dynamic touch Head is away from the static contact so that the disconnection position that circuit disconnects；

It is characterized in that：Moving contact Kuai He mechanisms include a support, in addition to the moving contact group being movably installed on the support Part, a retainer and an operating parts；

The moving contact component includes a moving contact, an accumulation of energy bar being flexibly connected with the operating parts and an accumulation of energy elastic component, should By activity installation respectively, the accumulation of energy bar carries out power transmission with the moving contact by accumulation of energy elastic component and is connected for accumulation of energy bar and moving contact, The accumulation of energy elastic component has the position with moving contact conflict and accumulation of energy bar conflict effect, and the accumulation of energy elastic component returns this respectively Moving contact applies one by disconnecting position to the active force for closing position；

The operating parts is promoted, so that the accumulation of energy bar acts on the moving contact by accumulation of energy elastic component, then the moving contact contacts at Retainer, then the accumulation of energy bar with respect to moving contact continue motion so that accumulation of energy elastic component accumulation of energy；It is further continued for promoting the operating parts straight Retainer is acted on to the operating parts, making retainer motion, the accumulation of energy elastic component of now accumulation of energy acts on dynamic to discharge moving contact Contact, it is set quickly to reach closure position.

2. moving contact Kuai He mechanisms according to claim 1, it is characterised in that：First, is arranged at intervals with the support Two and the 3rd installation axle；The retainer, operating parts are pivoted by the first, the 3rd installation axle are installed on the support respectively, And then realize the activity installation of retainer, operating parts and support；The accumulation of energy bar and the moving contact second are installed by this Axle, which is pivoted, to be installed on the support, and then realizes the accumulation of energy bar and moving contact by activity installation respectively.

3. moving contact Kuai He mechanisms according to claim 2, it is characterised in that：A torsion is also arranged with 3rd installation axle Spring, the torsion spring act on the retainer, to apply a moment of torsion rotated towards the moving contact direction to the retainer.

4. moving contact Kuai He mechanisms according to claim 2, it is characterised in that：The accumulation of energy elastic component is torsion spring, including Reverse body and two torque arm；The moving contact includes a conductive plate and a plugboard being fixed on the conductive plate, the conductive plate Two electric contacts are provided with for connecting two static contacts simultaneously, the plugboard is provided with the spliced eye of a side openings；Should Second installation axle, which sequentially passes through, reverses body and accumulation of energy bar, then the moving contact by the side openings of the spliced eye by this second Installation axle loads in the spliced eye, and two torque arm of the torsion spring is respectively acting on the conductive plate and accumulation of energy bar, Jin Ershi The installation of the moving contact component is showed.

5. moving contact Kuai He mechanisms according to claim 1 or 2, it is characterised in that also including a link assembly and one Latch components：

The link assembly includes the link member and push rod for the connection that is mutually pivoted, and connecting rod, push rod are also pivoted respectively It is connected on accumulation of energy bar and operating parts, the operating parts is realized by the link assembly and is flexibly connected with accumulation of energy bar；

The latch components include the tripping part and snap close piece for being pivoted be connected on the support respectively, the tripping part and snap close piece It is engaged to form a closing component structure, the releasing of the locked state of the closing component structure is occurred to swing around axle by the snap close piece to be realized；

A chute is also formed on the tripping part, the link member or push rod are provided with the sliding block that an adaptation is installed in the chute Portion；Slide section position is provided with a spacing dead point when chute corresponds to moving contact closure position, and then realizes the lock of moving contact Close.

6. moving contact Kuai He mechanisms according to claim 5, it is characterised in that：Also include (the first back-moving spring and second Back-moving spring；The (the first back-moving spring one end is connected on the support, and the other end is connected on the accumulation of energy bar, to pass through the accumulation of energy Bar applies one to the moving contact towards the active force for disconnecting position；The second back-moving spring one end is connected to the support, and the other end is made For the snap close piece, so that the closing component structure reset for releasing locked state is sealed.

7. moving contact Kuai He mechanisms according to claim 1 or 2, it is characterised in that：The support is frame structure, including phase To the lower carriage and upper bracket of setting, the moving contact component, retainer and operating parts are located between the upper and lower support.

8. moving contact Kuai He mechanisms according to claim 1 or 2, it is characterised in that：One is formed on the retainer to be used for The retainer of the moving contact is contradicted, a clicking section for being used to stir the retainer is formed on the operating parts；The operating parts is promoted, The moving contact is contacted at the retainer and contact at the retainer to realize；It is further continued for promoting the operating parts to act on the clicking section In retainer, to realize that operating parts acts on the retainer；The retainer is moved so that the contact part departs from the moving contact, with reality The release of existing moving contact.

9. moving contact Kuai He mechanisms according to claim 8, it is characterised in that：

The end of the retainer is also equipped with the wearing piece of a metal material, and the moving contact can be contacted at by the wearing piece, To play the effect for preventing that the retainer from wearing；

The retainer extends formed with an arresting lever towards the operating parts, promotes the operating parts to contradict clicking section and stirs this only Lever is to realize that operating parts acts on the retainer.

10. a kind of breaker, including the housing of insulation, an at least wiring group is included in the housing, every group of wiring group includes There are static contact, the first terminals and the second terminals；First terminals electrically connect with static contact；It is characterized in that：Also wrap The moving contact Kuai He mechanisms of claim 1 to 9 any one claim are included, the support is fixed in the housing, and this is dynamic tactile Head electrically connects with second terminals, and the operating parts protrudes out the handle portion outside the housing provided with one.