CN208861913U - Buckle releaser - Google Patents

Abstract

The utility model discloses a kind of buckle releaser comprising shell, release lever, switching switch and trigger mechanism.Release lever is rotatably disposed within shell, and with the body of rod and the pivoted arm and contact that are provided thereon.Switching switch is rotatably disposed within shell.Trigger mechanism is set to shell and is series at circuit.Wherein, contact is protruded out by the body of rod, and is formed with the first contact surface at the top of contact.Switching switch has the first trigger arm with contacts mates, and the first trigger arm extends to above contact and is formed with the second contact surface in its bottom.It is equipped with the first elastic component between switching switch and shell, to apply downward elastic force to switching switch, the second contact surface is made to be resisted against the first contact surface.Wherein, when the input current in circuit reaches preset value, trigger mechanism pushes pivoted arm to drive body of rod rotation, and the first contact surface is caused to separate with the second contact surface, the first elastic component push-and-pull switching switch rotary, so that switching switch triggering tripping mechanism tripping.

Description

Buckle releaser

Technical field

The utility model relates to electric circuit protection equipment technical fields, in particular to a kind of buckle releaser.

Background technique

Breaker, which belongs to, can close, carries and cut-off electric current under normal loop condition, and can close, when defined Interior carrying and the switching device for cut-offfing the electric current under abnormal loop condition, can be used to distribute electric energy, infrequently start different Motor is walked, the implementations such as power circuit and motor are protected, are with a wide range of applications.Buckle releaser is realized as breaker The principal functional components of above-mentioned function can be realized overload protection and short-circuit protection to circuit.

Refering to fig. 1, a kind of structural schematic diagram of existing buckle releaser 100 is representatively illustrated.As shown in Figure 1, this is existing Buckle releaser 100 is to realize trip action by the pushing and pressing cooperation of release lever 110 and switching switch.Wherein, release lever 110 has The contact 111 extended to switching switch, 111 end of contact has the hook formation bent downward.Switching switch has to contact The swing arm of extension, the end of swing arm have the hook formation being folded upward at.Accordingly, pass through the hook formation of contact 111 and swing arm Mutual fastening can push switching switch rotary when contact 111 is rotated with release lever, thus further by switching open The tripping mechanism of triggering breaker is closed, realizes tripping function.However, release lever 110 based on above-mentioned existing buckle releaser 100 with cut Switch is changed using the structure design of clasp type cooperation, when passing through fault current, the reaction time is longer, be easy to cause circuit event Barrier.

Utility model content

One main purpose of the utility model is to overcome at least one defect of the above-mentioned prior art, provide a kind of anti- The simple buckle releaser of shorter and structure between seasonable.

To achieve the above objectives, the present invention adopts the following technical solutions:

One aspect according to the present utility model provides a kind of buckle releaser, is installed on breaker and connect with circuit.It is described Buckle releaser includes shell, release lever, switching switch and trigger mechanism.The release lever is rotatably disposed within the shell, and has The pivoted arm and contact for having the body of rod and being provided thereon.The switching switch is rotatably disposed within the shell.The trigger mechanism is set In the shell and it is series at the circuit.Wherein, the contact is protruded out by the body of rod, and the is formed at the top of the contact One contact surface.The switching switch has the first trigger arm with the contacts mates, and first trigger arm extends to described The second contact surface is formed with above contact and in its bottom.It is equipped with the first elastic component between the switching switch and the shell, To apply downward elastic force to the switching switch, second contact surface is made to be resisted against first contact surface.Wherein, institute When stating the input current in circuit and reaching preset value, the trigger mechanism pushes the pivoted arm to drive the body of rod rotation, causes First contact surface is separated with second contact surface, and first elastic component pushes and pulls the switching switch rotary, so that institute State tripping mechanism tripping described in switching switch triggering.

One of embodiment according to the present utility model, the contact are protruded upward by the body of rod.

One of embodiment according to the present utility model, the contact at the top of the body of rod by protruding upward.

One of embodiment according to the present utility model, the body of rod rectangular in cross-section.

One of embodiment according to the present utility model, first trigger arm extend horizontally on the contact Side.

One of embodiment according to the present utility model, the switching, which switchs, has the second trigger arm, and described second The tripping mechanism of trigger arm and the breaker cooperates.Wherein, when first elastic component pushes and pulls the switching switch rotary, institute It states the second trigger arm and triggers the tripping mechanism tripping.

One of embodiment according to the present utility model, the switching switch have shaft, and the shaft rotation connects It is connected to the shell.Wherein, first trigger arm is extended from the shaft to the contact.

One of embodiment according to the present utility model, the switching, which switchs, has the second trigger arm, and described second Trigger arm extends from the shaft to the tripping mechanism and cooperates with the tripping mechanism of the breaker；Wherein, described first When elastic component pushes and pulls the switching switch rotary, second trigger arm triggers the tripping mechanism tripping.

One of embodiment according to the present utility model, the trigger mechanism include thermal tripping trigger mechanism and electromagnetism Formula tripping trigger mechanism, the thermal tripping trigger mechanism includes heating element and bimetal leaf.Wherein, the electromagnetic type tripping Trigger mechanism is set on the heating element.

As shown from the above technical solution, the utility model proposes buckle releaser the advantages of and have the active effect that

The utility model proposes buckle releaser, by using " contact is protruded out by the body of rod and top is formed with the first contact surface, First trigger arm of switching switch extends to above contact and is formed with the second contact surface, the first contact surface and second in its bottom Contact surface is corresponding " structure design, by the release lever of existing buckle releaser and switching switch used by clasp type cooperation knot Structure design is improved to the structure design of face contact cooperation.Accordingly, when passing through fault current, the utility model proposes tripping The trip action reaction time of device is shorter, does not easily cause fault, the major break down electric current especially suitable for such as direct current 1500V Requirement.

Further, in one of embodiment of the utility model, when using " electromagnetic type tripping trigger mechanism is set In on the heating element of thermal tripping trigger mechanism " structure design when, can by the electromagnetic release mechanism of existing buckle releaser and heat The split type structure improvement of tripping mechanism is an integral structure, to keep trip action more stable, reduces structure occupied space.

Detailed description of the invention

The following detailed description to preferred embodiments of the present invention is considered in conjunction with the accompanying drawings, the utility model Various targets, feature and advantage will become apparent.Attached drawing is only the exemplary diagram of the utility model, not necessarily It is drawn to scale.In the accompanying drawings, same appended drawing reference always shows same or similar component.Wherein:

Fig. 1 is a kind of structural schematic diagram of existing buckle releaser；

Fig. 2 is the structural schematic diagram of the thermal tripping mechanism of existing buckle releaser shown in fig. 1；

Fig. 3 is the structural schematic diagram of the electromagnetic release mechanism of existing buckle releaser shown in fig. 1；

Fig. 4 is a kind of partially exploded diagram of buckle releaser shown according to an illustrative embodiments；

Fig. 5 is that the hair of part A in Fig. 4 is schemed greatly；

Fig. 6 is the structural schematic diagram of the trigger mechanism of the buckle releaser shown in Fig. 4.

Wherein, the reference numerals are as follows:

100. buckle releaser；

110. release lever；

111. contact；

120. thermal tripping mechanism；

130. electromagnetic release mechanism；

200. buckle releaser；

210. shell；

211. accommodating space；

220. release lever；

221. the body of rod；

223. contact；

230. switching switches；

231. first trigger arms；

232. second trigger arms；

233. shaft；

240. trigger mechanism；

2411. heating element；

2412. bimetal leaf；

2421. static gag bit；

2422. moving armature；

2423. magnetic yoke；

2424. spring.

Specific embodiment

The exemplary embodiments for embodying the utility model features and advantages will describe in detail in the following description.It should be understood that It is that the utility model there can be various variations in different embodiments, does not all depart from the scope of the utility model, and Explanation therein and attached drawing are inherently illustrative, rather than to limit the utility model.

In being described below the different illustrative embodiments to the utility model, carried out referring to attached drawing, the attached drawing A part of the utility model is formed, and wherein shows many aspects of achievable the utility model by way of example not Same exemplary structure, system and step.It should be understood that other of component, structure, exemplary means, system and step can be used Specified scheme, and structural and functional modification can be carried out without departing from the scope of the utility model.Although moreover, originally Can be used in specification term " top ", " bottom ", " between ", " end " etc. the exemplary spies of difference of the utility model are described Seek peace element, but these terms are in this article merely for convenient, for example, with reference to the accompanying drawings described in exemplary direction.This theory Any content in bright book is not necessarily to be construed that the specific three dimensional direction of Structure of need is just fallen into the scope of the utility model.

Buckle releaser embodiment

Refering to Fig. 4, the part that can embody the buckle releaser 200 of the principles of the present invention is representatively illustrated in Fig. 4 Decomposition diagram, specifically, basically illustrating the shell 210 of buckle releaser 200, release lever 220 and switching switch 230 in Fig. 4. In the illustrative embodiments, the utility model proposes buckle releaser 200 be for being mounted on breaker, further, It is to be illustrated for being mounted on mold cased circuit breaker.It will be readily appreciated by those skilled in the art that being by the buckle releaser 200 are applied in other kinds of breaker or other similar electric circuit protection equipment, and do to following specific embodiments Out it is a variety of remodeling, addition, substitution, delete or other variation, these variation still the utility model proposes buckle releaser 200 original In the range of reason.

As shown in figure 4, in the present embodiment, the utility model proposes buckle releaser 200 be mounted in breaker and lead to The connection terminal for crossing breaker is connect with circuit.Wherein, which mainly includes shell 210, release lever 220, switches and open Close 230 and trigger mechanism 240.Cooperate refering to Fig. 5 and Fig. 6, Fig. 5 be part A in Fig. 4 enlarged drawing, representatively illustrate The release lever 220 of the buckle releaser 200 of the utility model principle and the fit structure of switching switch 230 can be embodied；Fig. 6 is representative Ground shows the structural schematic diagram that can embody the trigger mechanism 240 of buckle releaser 200 of the utility model principle.Below in conjunction with upper State attached drawing, to the utility model proposes buckle releaser 200 each chief component structure, connection type and functional relationship into Row is described in detail.

As shown in figure 4, in the present embodiment, shell 210 is used to install or accommodate the release lever 220 of buckle releaser 200, cuts The structures such as switch 230 and trigger mechanism 240 or component are changed, the specific structure of shell 210 can refer to the design of existing tripping.Separately Outside, (will be described in detail in the following) is designed based on the special structure in present embodiment about trigger mechanism 240, shell The dependency structure (such as accommodating space 211) of body 210 can be adjusted accordingly, and it will not be described here.

As shown in Figure 4 and Figure 5, in the present embodiment, release lever 220 can be rotatably set in shell 210, and have bar Body 221 and the pivoted arm being arranged on the body of rod 221 and contact 223.Specifically, contact 223 is upward convex by the top of the body of rod 221 It stretches, and the top of contact 223 is formed with the first contact surface.In other embodiments, contact 223 also can by the body of rod 221 its He protrudes upward at position, such as is protruded upward by the side of the body of rod 221, alternatively, contact 223 also can be from the body of rod 221 to its other party It is protruded out to protruding out, such as from the body of rod 221 to horizontally or diagonally direction.That is, when first contact surface is formed on the top of contact 223, Contact 223 and the specific set-up mode of the body of rod 221 are not limited with present embodiment.Accordingly, the utility model proposes buckle releaser 200, the existing tripping based on fastener structure is triggered into design, the tripping triggering for the face contact being improved in present embodiment is set Meter does not easily cause fault so that the reaction time of whole buckle releaser 200 shortens.

Further, as shown in Figure 4 and Figure 5, in the present embodiment, the section of the body of rod 221 is preferably in rectangle.Its In, which defined with the axial plane taken perpendicular to the body of rod 221.Accordingly, when contact 223 is by the top of the body of rod 221 When protruding upward, contact 223 is actually to be protruded upward by the top surface of the body of rod 221.

As shown in Figure 4 and Figure 5, in the present embodiment, switching switch 230 can be rotatably set in shell 210.Wherein, Switching switch 230 has the first elastic component, the first trigger arm 231, the second trigger arm 232 and shaft 233.

Specifically, as shown in Figure 4 and Figure 5, in the present embodiment, the first trigger arm 231 extends to touching by shaft 233 First 223 top and matched with contact 223, and the first trigger arm 231 is formed with the second contact surface in its bottom, the first contact Face is corresponding with the second contact surface.First elastic component (not shown) be connected to switching switch 230 and shell 210 between, to Switch switch 230 and apply an elastic force, and pushes the first contact surface of the first trigger arm 231 and support the second of contact 223 On contact surface.Accordingly, when the input current in circuit reaches preset value (such as overrate or reach short circuit value), triggering Mechanism 240 can push pivoted arm and the body of rod 221 is driven to rotate, and the first contact surface of contact 223 is caused to separate with the second contact surface, To which the elastic force applied by the first elastic component pushes switching switch 230 to rotate, so that switching switch 230 triggers breaker In tripping mechanism realize tripping open circuit.

As shown in Figure 4 and Figure 5, in the present embodiment, shaft 233 is rotationally connected with shell 210.Wherein, the first triggering Arm 231 is extended from shaft 233 to contact 223.Also, the second trigger arm 232 from shaft 233 to tripping mechanism extend and At, and cooperate with the tripping mechanism of breaker.Accordingly, when the first contact surface of contact 223 connects with the second of the first trigger arm 231 When contacting surface separates, the first elastic component push-and-pull switching switch 230, and the second trigger arm 232 triggering tripping mechanism is made to realize that tripping is disconnected Road.

As shown in Figure 4 and Figure 5, in the present embodiment, the first trigger arm 231, the second trigger arm 232 and shaft 233 are excellent It is selected as integral structure, i.e. the first trigger arm 231 is integrally prolonged by shaft 233 towards different directions respectively with 232 head of the second trigger arm It stretches, or can be regarded as the first trigger arm 231 and the second trigger arm 232 is end to end, and shaft 233 is formed in and belongs to two The connection of person.In other embodiments, switching switch 230 can be rotatably set in shell using other structures realization In body 210.For example, the shaft 233 of integral structure can be not provided with, and substituted by an independent shaft member, and in the first trigger arm 231 and second the junction of trigger arm 232 open up axis hole, shaft member wears with axis hole and is connected to shell 210 with both ends.That is, In one better embodiment, shaft 233 is whether set, switching switch 230 preferably includes the contact with release lever 220 223 the first trigger arms 231 cooperated in the form of face contact and the second trigger arm 232 cooperated with the de- mouth mechanism of breaker. Certainly, switching switch 230 can be realized using other structures and be designed with the triggering of 223 face contact of contact, or other structures can be used Realize that the tripping with tripping mechanism cooperates, it will not be described here.

It should be noted that the first elastic component can connect between the first trigger arm 231 and shell 210, also it is attached to Between second trigger arm 232 and shell 210.Wherein, according to the specific link position of the first elastic component, or according to the first elastic component The relative positional relationship for the structure being connect with it, the elastic force that the first elastic component is applied on switching switch 230 can be to push away Power or pulling force, i.e., after the first contact surface is mutually separated with the second contact surface, switching switch 230 is by the first resilient element urges or drawing It moves and generates rotation, the trip action of final realization and tripping mechanism.

As shown in fig. 6, in the present embodiment, trigger mechanism 240 is arranged in shell 210 and is series at circuit, use When input current in the loop reaches preset value, pushes the pivoted arm of release lever 220 to drive the body of rod 221 to rotate, cause The triggering switching switch 230 of contact 223, and trigger tripping mechanism through switching switch 230 and realize trip action.

Further, cooperation is refering to representatively illustrating existing buckle releaser shown in fig. 1 shown in Fig. 2 and Fig. 3, in Fig. 2 Thermal tripping mechanism structural schematic diagram；The electromagnetic release mechanism of existing buckle releaser shown in fig. 1 is representatively illustrated in Fig. 3 Structural schematic diagram.Hold, in the present embodiment, the utility model proposes trigger mechanism 240 in above-mentioned thermal tripping mechanism It is improved in the structure basis of electromagnetic release mechanism.

Wherein, as shown in fig. 6, in the present embodiment, trigger mechanism 240 mainly includes thermal tripping trigger mechanism and electromagnetism Formula tripping trigger mechanism.

As shown in fig. 6, in the present embodiment, thermal tripping trigger mechanism can refer to the structure of existing thermal tripping mechanism, and It mainly include heating element 2411 and bimetal leaf 2412.Wherein, heating element 2411 is connect with circuit.Bimetal leaf 2412 One end is connected to heating element 2411, and the other end extends to position corresponding with pivoted arm.Bimetal leaf 2412 includes active layers And passive layer, and the thermal expansion coefficient of active layers is greater than the thermal expansion coefficient of passive layer.Accordingly, the input current in circuit reaches When preset value, such as when overrate, heating element 2411, which generates heat, simultaneously transfers heat to bimetal leaf 2412, bimetal leaf 2412 by It thermally expands to passive layer curving, release lever 220 is driven to rotate through one section of delay time pusher turn arm, and then pass through Contact 223 and switching switch 230 realize delayed releasing movement.

As shown in fig. 6, in the present embodiment, electromagnetic type tripping trigger mechanism can refer to the dynamic of existing electromagnetic release mechanism Make principle, and mainly includes static gag bit 2421, moving armature 2422 and magnetic yoke 2423.Wherein, magnetic yoke 2423 is connect with circuit, quiet rank Iron 2421 is relatively fixed, and moving armature 2422 swingably and by the way that one second elastic component is opposite is connected to static gag bit 2421, and second Elastic component can be preferably spring 2424.Accordingly, when the input current in circuit reaches preset value, such as when reaching short circuit value, Magnetic yoke 2423 generates magnetic field and acts on moving armature 2422, and moving armature 2422 overcomes the elastic force of spring 2424 and relatively static gag bit 2421 swing, instantaneous to push pivoted arm and drive the rotation of release lever 220, and then are realized instantaneously by contact 223 and switching switch 230 Trip action.

From the above, as shown in fig. 6, in the present embodiment, electromagnetic type tripping trigger mechanism is preferably provided in electric heating On element 2411.Specifically, being substantially in the A seating knot bent vertically so that heating element 2411 is using existing structure as an example Structure has horizontal part and vertical portion, horizontal part is used for link circuit, and vertical portion is bent vertically by horizontal part and upwardly extended, and uses In setting bimetal leaf 2412.Wherein, static gag bit 2421 is fixed on the vertical portion of heating element 2411, and moving armature 2422 can be put It is connected to static gag bit 2421 dynamicly, and 2424 one end of spring is connected to moving armature 2422, the other end is connected to heating element 2411 Vertical portion, magnetic yoke 2423 is fixed on the vertical portion of heating element 2411.Accordingly, the utility model proposes 200 energy of buckle releaser It is enough to be an integral structure the improvement of the split type structure of the electromagnetic release mechanism of existing buckle releaser and thermal tripping mechanism, to make to take off It pulls and makees more stable, reduction structure occupied space.

In addition, as shown in figure 4, in the present embodiment, accommodating space 211 is offered on shell 210, in one knot The trigger mechanism 240 of structure is arranged in the accommodating space 211, i.e., sets for electromagnetic type tripping trigger mechanism and thermal tripping trigger mechanism It sets in the accommodating space 211.

It should be noted here that the buckle releaser for showing in attached drawing and describing in the present specification, can only use this hair An example in many kinds of buckle releasers of bright principle.It should be clearly understood that the principle of the present invention is only limitted in attached drawing absolutely not It shows or any part of any details of buckle releaser described in this specification or buckle releaser.

Breaker embodiments

In the illustrative embodiments, the utility model proposes breaker be using a kind of existing breaker as structure base What plinth was illustrated.It will be readily appreciated by those skilled in the art that for the design of the breaker is applied to other models or class In the breaker of type, and a variety of remodeling, addition, substitution, deletion or other variations are made to following specific embodiments, these Variation still the utility model proposes breaker principle in the range of.

In the present embodiment, the utility model proposes breaker mainly include shell and tripping mechanism.Tripping machine Structure is arranged inside the shell.Wherein, be additionally provided in shell the utility model proposes and exemplary illustration in the above-described embodiment Buckle releaser, buckle releaser and tripping mechanism cooperate, to realize the defencive function of tripping open circuit of the breaker to circuit.

It should be noted here that shown in attached drawing and the breaker that describes in the present specification be only can be using the present invention An example in many kinds of breakers of principle.It should be clearly understood that the principle of the present invention is only limitted to show in attached drawing absolutely not Out or any part of any details of breaker described in this specification or breaker.

In conclusion the utility model proposes buckle releaser, by using " contact is protruded out by the body of rod and top is formed with One contact surface, the first trigger arm for switching switch extend to above contact and are formed with the second contact surface in its bottom, and first connects Contacting surface is corresponding with the second contact surface " structure design, by the release lever of existing buckle releaser and switching switch used by grab The structure design of formula cooperation is improved to the structure design of face contact cooperation.Accordingly, when passing through fault current, the utility model The trip action reaction time of the buckle releaser of proposition is shorter, does not easily cause fault, especially suitable for such as direct current 1500V's The requirement of major break down electric current.

Further, in one of embodiment of the utility model, when using " electromagnetic type tripping trigger mechanism is set In on the heating element of thermal tripping trigger mechanism " structure design when, can by the electromagnetic release mechanism of existing buckle releaser and heat The split type structure improvement of tripping mechanism is an integral structure, to keep trip action more stable, reduces structure occupied space.

Be described in detail above and/or illustrate the utility model proposes buckle releaser illustrative embodiments.But this The embodiment of utility model is not limited to particular implementation as described herein, on the contrary, the component part of each embodiment And/or step can be independent with other component parts as described herein and/or step and be used separately.One embodiment it is every A component part and/or each step can also be used in combination with the other component parts and/or step of other embodiment.It is being situated between Continue described here and/or diagram element/component part/whens waiting, term "one", " one " and " above-mentioned " etc. be to indicate to deposit One or more elements/component part/etc..Term "comprising", " comprising " and " having " are included in indicate open The interior meaning and the element/component part/for referring in addition to listing also may be present other than waiting other element/component part/etc.. In addition, the term " first " and " second " etc. in claims and specification are only used as label, it is not to its object Numerical limit.

Although according to different specific embodiments to the utility model proposes buckle releaser be described, this field Technical staff, which will recognize that, to be in the spirit and scope of the claims modified the implementation of the utility model.

Claims (9)

1. a kind of buckle releaser is installed on breaker and connect with circuit, the buckle releaser includes shell, release lever, switching switch And trigger mechanism, the release lever are rotatably disposed within the shell, and with the body of rod and the pivoted arm and contact that are provided thereon, institute It states switching switch and is rotatably disposed within the shell, the trigger mechanism is set to the shell and is series at the circuit；It is special Sign is:

The contact is protruded out by the body of rod, and is formed with the first contact surface at the top of the contact；

The switching switch has the first trigger arm with the contacts mates, and first trigger arm extends on the contact Just and the second contact surface is formed in its bottom；

It is equipped with the first elastic component between the switching switch and the shell, to apply downward elasticity to the switching switch Power makes second contact surface be resisted against first contact surface；

Wherein, when the input current in the circuit reaches preset value, the trigger mechanism pushes the pivoted arm to drive the bar Body rotation, causes first contact surface to separate with second contact surface, and first elastic component pushes and pulls the switching switch Rotation, so that the tripping mechanism tripping of breaker described in the switching switch triggering.

2. buckle releaser according to claim 1, which is characterized in that the contact is protruded upward by the body of rod.

3. buckle releaser according to claim 2, which is characterized in that the contact by being protruded upward at the top of the body of rod and At.

4. buckle releaser according to claim 1, which is characterized in that the body of rod rectangular in cross-section.

5. buckle releaser according to claim 1, which is characterized in that first trigger arm extends horizontally on the contact Side.

6. buckle releaser according to claim 1, which is characterized in that switching switch has the second trigger arm, and described the The tripping mechanism of two trigger arms and the breaker cooperates；Wherein, when first elastic component pushes and pulls the switching switch rotary, Second trigger arm triggers the tripping mechanism tripping.

7. buckle releaser according to claim 1, which is characterized in that the switching switch has shaft, the shaft rotation It is connected to the shell；Wherein, first trigger arm is extended from the shaft to the contact.

8. buckle releaser according to claim 7, which is characterized in that switching switch has the second trigger arm, and described the Two trigger arms extend from the shaft to the tripping mechanism and cooperate with the tripping mechanism of the breaker；Wherein, described When one elastic component pushes and pulls the switching switch rotary, second trigger arm triggers the tripping mechanism tripping.

9. buckle releaser according to claim 1, which is characterized in that the trigger mechanism includes thermal tripping trigger mechanism and electricity Magnetic-type tripping trigger mechanism, the thermal tripping trigger mechanism includes heating element and bimetal leaf；Wherein, the electromagnetic type is de- Trigger mechanism is detained to be set on the heating element.