CN109830410A - Structure of contact terminal and breaker - Google Patents

Structure of contact terminal and breaker Download PDF

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Publication number
CN109830410A
CN109830410A CN201910268273.7A CN201910268273A CN109830410A CN 109830410 A CN109830410 A CN 109830410A CN 201910268273 A CN201910268273 A CN 201910268273A CN 109830410 A CN109830410 A CN 109830410A
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CN
China
Prior art keywords
contact
arc
fixed
chutes
dynamic touching
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Pending
Application number
CN201910268273.7A
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Chinese (zh)
Inventor
何小明
包志舟
张立
许建余
张程豪
陈拓
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang People Electrical Appliance Co Ltd
Original Assignee
Zhejiang People Electrical Appliance Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang People Electrical Appliance Co Ltd filed Critical Zhejiang People Electrical Appliance Co Ltd
Priority to CN201910268273.7A priority Critical patent/CN109830410A/en
Publication of CN109830410A publication Critical patent/CN109830410A/en
Pending legal-status Critical Current

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Abstract

The present invention provides a kind of structure of contact terminal and breakers, including dynamic touching bridge and static contact, it further includes contact supporting, elastic component and contact limited part that dynamic touching bridge can be conducted with static contact, one end of elastic component is fixed in contact supporting, and the other end of elastic component is abutted against with dynamic touching bridge;Contact limited part bottom is equipped with the groove being arranged on the outside of dynamic touching bridge.Structure of contact terminal and breaker provided by the invention, contact supporting is for being fixed elastic component, contact limited part is set in the top of dynamic touching bridge, dynamic touching bridge can be driven far from static contact by contact limited part, and dynamic touching bridge and static contact is driven to be in contact by the return ability of dynamic touching bridge, to realize conducting, dynamic touching bridge can be first installed during installation, contact limited part is installed again, it does not need for dynamic touching bridge to be inserted into the through-hole of contact limited part at this time, installation can directly be stacked, installation is more simple, improves the installation effectiveness of dynamic touching bridge.

Description

Structure of contact terminal and breaker
Technical field
The present invention relates to the technical fields of low-voltage electrical apparatus, and in particular to a kind of structure of contact terminal and breaker.
Background technique
The device for switching with structure of contact terminal such as motor starter, control protector, have connection, carrying and disjunction just The alternating current of normal circuit condition, and breaking current disconnecting circuit reality should be able to be born under the fault conditions such as overload, short circuit Now protect.Also referring to Fig. 1 and Fig. 2, structure of contact terminal includes 3 ' of contact supporting, dynamic touching 1 ' of bridge, static contact, 5 ' of contact limited part With 4 ' of compression spring, 4 one end ' of compression spring is fixed on 32 ' of positioning column inside 3 ' of contact supporting, and the other end uses fixing piece It realizes that the position of 4 ' of compression spring is fixed, moves the interior bone that touching 1 ' of bridge passes through 5 ' of contact limited part, and by 5 ' of contact limited part Drive moves up and down, so that dynamic touching 1 ' of bridge can be conducted or separate with static contact.
But when the double break contact structure of the prior art is assembled, assemble sequence are as follows: firstly, by pressure bullet One end of 4 ' of spring is fixed on 32 ' of positioning column inside 3 ' of contact supporting, will be under the top of 4 ' of compression spring by air-actuated jaw 5 ' of contact limited part pressure is set to the top of 4 ' of compression spring by pressure, and dynamic touching 1 ' of bridge is finally passed through to the inside of 5 ' of contact limited part Fixing piece is arranged in the bottom of dynamic touching 1 ' of bridge, so that the connection of dynamic touching 1 ' of bridge and 4 ' of compression spring are realized, in subsequent dress in through-hole When with dynamic touching 1 ' of bridge, assemble complex and there are problems that the dynamic touching more difficult installation of 1 ' of bridge, and need using air-actuated jaw with Additional fixing piece causes production efficiency that cannot improve.
Summary of the invention
The purpose of the present invention is to provide a kind of structure of contact terminal and breakers, to solve to move touching bridge assembly in the prior art It is complex and there is technical issues that dynamic touching bridge is more difficult.
To achieve the above object, the technical solution adopted by the present invention is that: provide a kind of structure of contact terminal, including dynamic touching bridge and quiet Contact, the dynamic touching bridge can be conducted with the static contact, further include contact supporting, elastic component and contact limited part, described One end of elastic component is fixed in the contact supporting, and the other end of the elastic component is abutted against with the dynamic touching bridge;The touching Head limited part bottom is equipped with the groove being arranged on the outside of the dynamic touching bridge.
Further, the contact supporting includes fixation bracket for accommodating the elastic component and is set to the fixed branch The positioning column of frame bottom, one end of the elastic component are fixed on the positioning column.
Further, the fixed bracket includes positioned at described in the limit plate of the positioning column opposite sides and connection two sides The fixed beam of limit plate, the fixed beam are located at the top of the limit plate.
Further, it is additionally provided with retention bead on the outside of the contact limited part, fixed institute is offered in the fixed beam State the limiting slot of retention bead, and the opening of the limiting slot is towards the positioning column.
It further, further include the first arc-chutes and the second arc-chutes, first arc-chutes and second arc-chutes It is located at the contact supporting opposite sides, and first arc-chutes and second arc-chutes include several arc extinguishings Piece, the arc quenching plate stack gradually and are connected with the contact supporting.
Further, first arc-chutes and second arc-chutes further include fastening piece, and the fastening piece is fixed on The outside of several arc quenching plates.
Further, the support bracket fastened side is equipped with the first fixed board group for connecting first arc-chutes, The support bracket fastened other side is equipped with the second fixed board group for connecting second arc-chutes, and first fixed plate Group and second fixed plate include two fixed plates being oppositely arranged.
Further, several raised lines are equipped on the outside of the fixed plate, the raised line is inserted in the adjacent arc extinguishing Between piece.
It further, further include arc striking piece, the arc striking piece is fixed on the contact supporting, and the two of the arc striking piece End extends respectively to first arc-chutes and second arc-chutes.Further, the arc striking piece includes fixed section, by institute State the first linkage section and the second linkage section of fixed section both ends bending formation, the fixed section and the fixed company of the contact supporting It connects, first linkage section is opposite with first arc-chutes, and the second connection end is opposite with second arc-chutes.
Further, the fixed section is equipped with protrusion button, and the protrusion is fastened on the bottom of the contact supporting.
Further, it is convexly equipped on first linkage section and second linkage section towards the convex of the dynamic touching bridge Plate.
Further, the junction and second linkage section of first linkage section and the fixed section with it is described solid The junction for determining section is equipped with strip grooves.
The invention also discloses a kind of breakers, including the structure of contact terminal in such as above-mentioned any embodiment.
The beneficial effect of structure of contact terminal and breaker provided by the invention is: compared with prior art, present invention touching Header structure and breaker, for contact supporting for elastic component to be fixed, one end of elastic component is fixed on the bottom of contact supporting Portion's other end is directly abutted against with dynamic touching bridge, and contact limited part is set in the top of dynamic touching bridge, can be driven by contact limited part Dynamic touching bridge drives dynamic touching bridge and static contact to be in contact far from static contact, and by the return ability of dynamic touching bridge, thus realize conducting, Dynamic touching bridge can be first installed when installation, contact limited part is installed again, not need dynamic touching bridge being inserted into the logical of contact limited part at this time In hole, installation can be directly stacked, installation is more simple, improves the installation effectiveness of dynamic touching bridge.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic cross-sectional view of structure of contact terminal in the prior art;
Fig. 2 is the schematic perspective view of contact limited part used by structure of contact terminal in the prior art;
Fig. 3 is the schematic cross-sectional view of structure of contact terminal provided in an embodiment of the present invention;
Fig. 4 is the schematic perspective view of structure of contact terminal provided in an embodiment of the present invention, and wherein static contact does not show;
Fig. 5 is the overlooking structure diagram of structure of contact terminal shown in Fig. 4;
Fig. 6 is the sectional structure chart of the line A-A along Fig. 5;
Fig. 7 is the schematic perspective view of contact limited part used by the embodiment of the present invention;
Fig. 8 is the schematic perspective view of contact supporting used by the embodiment of the present invention;
Fig. 9 is dynamic touching bridge schematic view of the front view used by the embodiment of the present invention;
Figure 10 is the schematic perspective view of the first arc-chutes used by the embodiment of the present invention or the second arc-chutes;
Figure 11 is the schematic perspective view of arc striking piece used by the embodiment of the present invention;
Figure 12 is the half section structure diagram of arc striking piece shown in Fig. 4;
Figure 13 is the assembling process schematic diagram of structure of contact terminal provided in an embodiment of the present invention.
Description of symbols:
1, touching bridge is moved;2, static contact;3, contact supporting;4, elastic component;5, contact limited part;6, the first arc-chutes;7, Two arc-chutes;8, arc quenching plate;9, arc striking piece;11, fixing lug boss;12, moving contact;31, fixed bracket;32, positioning column;33, One fixed board group;34, the second fixed board group;35, raised line;36, baffle;311, limit plate;312, fixed beam;3121, limiting slot; 3122, slope guide pad;51, groove;52, retention bead;53, through-hole;54, contact control piece;55, raised edge strip;81, it fastens Piece;91, fixed section;92, the first linkage section;93, the second linkage section;94, protrusion button;95, protrusive board;96, strip grooves.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments It can be combined with each other at conflict.
Also referring to Fig. 3 and Fig. 6, now structure of contact terminal provided by the invention is illustrated.The structure of contact terminal, including Dynamic touching bridge 1 and static contact 2, the dynamic touching bridge 1 can be conducted with the static contact 2, further include contact supporting 3, elastic component 4 and touching Head limited part 5, one end of the elastic component 4 are fixed in the contact supporting 3, and the other end of the elastic component 4 is moved with described Touching bridge 1 abuts against;5 bottom of contact limited part is equipped with the groove 51 for being arranged in dynamic 1 outside of touching bridge.
Structure of contact terminal provided by the invention, compared with prior art, contact supporting 3 is for being fixed elastic component 4, bullet Property part 4 one end be fixed on the bottom other end of contact supporting 3 and directly abutted against with dynamic touching bridge 1, contact limited part 5 is set in dynamic The top for touching bridge 1 can drive dynamic touching bridge 1 far from static contact 2, and be driven by the return ability of dynamic touching bridge 1 by contact limited part 5 Dynamic touching bridge 1 and static contact 2 are in contact, to realize conducting, can first install dynamic touching bridge 1 during installation and install contact limited part again 5, it does not need for dynamic touching bridge 1 to be inserted into the through-hole 53 of contact limited part 5 at this time, can directly stack installation, installation is more Simply, the installation effectiveness of dynamic touching bridge 1 is improved.
Specifically, static contact 2 is located at the top of contact supporting 3, under contact limited part 5 can be driven by contact control piece 54 Pressure, so that separated between static contact 2 and moving contact 12, when the power of the pushing of contact control piece 54 reduces, contact limitation Part 5 and moving contact 12 are moved upwards under the return effect of elastic component 4 up to dynamic touching bridge 1 and static contact 2 abut against.Wherein, bullet Property part 4 generally use spring, can also be using other flexible elements such as elastic rubber.
In assembly, elastic component 4 is placed in the inside of contact supporting 3 and the bottom of elastic component 4 is consolidated with contact supporting 3 Dynamic touching bridge 1 is directly stacked the top for being set to elastic component 4 by fixed connection, and 5 heap of contact limited part is stacked at the top of dynamic touching bridge 1, And groove 51 is arranged in the outside of dynamic touching bridge 1, to realize the position restriction of dynamic touching bridge 1, wherein the outside of contact limited part 5 It is limited by contact supporting 3.
Further, a kind of specific embodiment party also referring to Fig. 3 and Fig. 6, as structure of contact terminal provided by the invention Formula, the contact supporting 3 include fixation bracket 31 for accommodating the elastic component 4 and set on fixed 31 bottom of bracket Positioning column 32, one end of the elastic component 4 are fixed on the positioning column 32.Specifically, fixed bracket 31 is used for elastic component 4 It is defined with the position of contact limited part 5, contact limited part 5 is arranged in the inside of fixed bracket 31 and slides with fixed bracket 31 Dynamic connection, positioning column 32 is located at the bottom of fixed bracket 31, and is protruded and formed by the bottom of fixed bracket 31, and positioning column 32 with Fixed bracket 31 is fixedly connected.Positioning column 32 protrudes from the bottom of fixed bracket 31, and elastic component 4 can directly be set in positioning column On 32, to be defined by position of the positioning column 32 to elastic component 4.
Preferably, referring to Fig. 9, the bottom of dynamic touching bridge 1 is equipped with fixing lug boss 11, which is located at dynamic touching bridge 1 Intermediate position, and one end of the remotely located column 32 of elastic component 4 can be fixed in the fixing lug boss 11, to guarantee dynamic touching bridge The stability connected between 1 and elastic component 4.
Further, Fig. 6 to Fig. 8 is please referred to, as a kind of specific embodiment of structure of contact terminal provided by the invention, institute Stating fixed bracket 31 includes positioned at limit plate 311 described in the limit plate 311 of 32 opposite sides of positioning column and connection two sides Fixed beam 312, the fixed beam 312 are located at the top of the limit plate 311.Specifically, limit plate 311 is located at contact limited part 5 and elastic component 4 opposite sides, and the top of two limit plates 311 is connected by fixed beam 312, the bottom of limit plate 311 It is connected by positioning column 32, i.e., entirely fixed bracket 31 is made of limit plate 311, fixed beam 312 and positioning column 32, and is limited The top of plate 311 is fixedly connected by fixed beam 312, and the bottom of limit plate 311 is connected by positioning column 32 or limit plate 311 Bottom be connected by bottom plate, and positioning column 32 be arranged on bottom plate.
Further, described as a kind of specific embodiment of structure of contact terminal provided by the invention refering to Fig. 6 to Fig. 8 The outside of contact limited part 5 is additionally provided with retention bead 52, and the limit of the fixed retention bead 52 is offered in the fixed beam 312 Position slot 3121, and the opening of the limiting slot 3121 is towards the positioning column 32.Specifically, retention bead 52 is located at contact limitation The outside of part 5, the bottom side of fixed beam 312 offer the limiting slot 3121 limited to retention bead 52, pass through the limiting slot 3121 can be defined the position of retention bead 52, so that fixed between contact limited part 5 and contact supporting 3 connect It connects.Wherein, the structure of retention bead 52 and the cooperation of limiting slot 3121 is set, can use the toughness of dynamic touching bridge 1, utilization is biggish Strength pushes down on contact limited part 5, and snapping connection between retention bead 52 and limiting slot 3121 both may be implemented.
Preferably, slope guide pad 3122 is additionally provided in fixed beam 312, it is remote that slope guide pad 3122 is located at fixed beam 312 Side from positioning column 32, and height of the slope guide pad 3122 close to the side of fixed 31 inside of bracket is less than far from fixed branch The height of the side of 31 inside of frame.Contact limited part 5 is placed on slope guide pad 3122 and is pressed downward, slope guide pad is utilized 3122 guidance capability can make retention bead 52 be divided into limiting slot 3121.
Preferably, the through-hole 53 for penetrating through entire contact locating part, the through-hole 53 and groove 51 are additionally provided on contact limited part 5 It is conducted, and through-hole 53 is equipped with raised edge strip 55 far from the side of groove 51, the top of contact limited part 5 can be controlled with contact Part 54 abuts against, and is controlled by the protrusion edge strip 55 relative position between contact control piece 54 and contact limited part 5, It avoids that it is mobile that position occurs between contact control piece 54 and contact limited part 5 when contact limited part 5 moves up and down.
Further, fig. 4 to fig. 6 is please referred to, as a kind of specific embodiment of structure of contact terminal provided by the invention, also Including the first arc-chutes 6 and the second arc-chutes 7, first arc-chutes 6 and second arc-chutes 7 are located at the contact 3 opposite sides of bracket, and first arc-chutes 6 and second arc-chutes 7 include several arc quenching plates 8, the arc quenching plate 8 It stacks gradually and is connected with the contact supporting 3.Specifically, the first arc-chutes 6 and the second arc-chutes 7 are separately positioned on contact The opposite sides of bracket 3, and the first arc-chutes 6 and the second arc-chutes 7 and fixed beam 312 are positioned at ipsilateral.First arc-chutes 6 and Two arc-chutes 7 are spliced to form by several arc quenching plates 8, and multiple arc quenching plates 8 are spliced to form the first arc-chutes 6 or the second arc-chutes 7 Directly it is connected afterwards with contact supporting 3, to realize the company between the first arc-chutes 6 or the second arc-chutes 7 and contact supporting 3 It connects.
Further, Fig. 6 and Figure 10 is please referred to, as a kind of specific embodiment of structure of contact terminal provided by the invention, First arc-chutes 6 and second arc-chutes 7 further include fastening piece 81, and the fastening piece 81 is fixed on several arc extinguishings The outside of piece 8.Specifically, fastening piece 81 can combine multiple arc quenching plates 8, that is, it is located at the first arc-chutes 6 or the second arc-chutes 7 In, all arc quenching plates 8 stack gradually placement, and are combined multiple arc quenching plates 8 by a fastening piece 81 and fixed, by the first arc extinguishing When room 6 or the second arc-chutes 7 are installed on contact supporting 3, it is only necessary to once multiple arc quenching plates 8 can be both installed, and saved Required time when installation, so that assembly is more simply and conveniently.Certainly, according to the actual situation and specific requirements, at this In the other embodiments of invention, in the first arc-chutes 6 or the second arc-chutes 7, all arc quenching plates 8 can also be by two or more Fastening piece 81, which is realized, to be fixed, and is not limited uniquely herein.
Further, refering to Fig. 8 and Figure 10, as a kind of specific embodiment of structure of contact terminal provided by the invention, institute The side of fixed bracket 31 is stated equipped with the first fixed board group 33 for connecting first arc-chutes 6, the fixed bracket 31 The other side be equipped with the second fixed board group 34 for connecting second arc-chutes 7, and the described first fixed board group 33 and institute Stating the second fixed plate includes two fixed plates being oppositely arranged.Specifically, the first fixed board group 33 and the second fixed board group 34 It is located at the opposite sides of fixed bracket 31, and the first fixed board group 33 is for fixing the first arc-chutes 6, the second fixed board group 34 for fixing the second arc-chutes 7, and the first arc-chutes 6 and the second arc-chutes 7 are separately positioned on the opposite sides of contact supporting 3, And first arc-chutes 6 and the second arc-chutes 7 and fixed beam 312 be located at ipsilateral, i.e., the first fixed board group 33 and the second fixed board group 34 are extended to form by limit plate 311.Certainly, according to the actual situation and specific requirements, in other embodiments of the invention, first Fixed board group 33 and the second fixed board group 34 can also splice in the two sides of contact supporting 3, not limit uniquely herein.
Further, Fig. 8 and Figure 10 is please referred to, as a kind of specific embodiment of structure of contact terminal provided by the invention, Several raised lines 35 are equipped on the outside of the fixed plate, the raised line 35 is inserted between the adjacent arc quenching plate 8.Specifically , raised line 35 is arranged in the outside of fixed plate, i.e. raised line 35 is arranged at fixed plate far from opposite side fixed plate side, raised line 35 Thickness is identical as the distance between arc quenching plate 8, can be defined to the position of arc quenching plate 8 by raised line 35, assists fastening piece The position of 81 realization arc quenching plates 8 is fixed, and by two adjacent raised lines 35, the clamping to arc quenching plate 8 may be implemented, so that Multiple arc quenching plates 8 can eliminate cumbersome assembling process, and need not other special tool clampings directly with fixed plate grafting Tool can directly assemble by hand, simplify process, improve production efficiency.
Preferably, wherein at least one raised line 35 is equipped with baffle 36 in the side far from arc quenching plate 8, passes through setting for baffle 36 The maximum position being inserted between arc quenching plate 8 and fixed plate can be defined by setting, and arc quenching plate 8 is avoided to be inserted into too deep phenomenon, The convenient and simple fixation realized between arc quenching plate 8 and fixed plate.Fixed plate is additionally provided with inclined-plane in the side close to arc quenching plate 8, Inclined-plane can have the function of guiding, guide to the grafting between arc quenching plate 8 and fixed plate, easily realize its fixation Connection.
Further, referring to Fig. 6, a kind of specific embodiment as structure of contact terminal provided by the invention, further includes Arc striking piece 9, the arc striking piece 9 are fixed on the contact supporting 3, and the both ends of the arc striking piece 9 extend respectively to described It is connected between one arc-chutes 6 and second arc-chutes 7 by arc striking piece 9.Specifically, arc striking piece 9 is fixed on contact supporting 3 On, contact supporting 3 is connected respectively at the first arc-chutes 6 with the second arc-chutes 7, i.e., arc striking piece 9 can realize in structure Connection between one arc-chutes 6, the second arc-chutes 7 and contact supporting 3, and can be by dynamic touching bridge 1 and 2 separating brake of static contact when produce Raw electric arc is introduced in the first arc-chutes 6 and the second arc-chutes 7 by arc striking piece 9 extinguishes electric arc, to guarantee whole device just It is often used.
Further, Figure 11 and Figure 12 is please referred to, as a kind of specific embodiment of structure of contact terminal provided by the invention, The first linkage section 92 and the second linkage section that the arc striking piece 9 includes fixed section 91, formed by the 91 both ends bending of fixed section 93, the fixed section 91 is fixedly connected with the contact supporting 3, and first linkage section 92 is opposite with first arc-chutes 6, Second linkage section 93 is opposite with second arc-chutes 7.Specifically, fixed section 91 is for direct and contact supporting 3 bottom Portion is fixedly connected, and the mode being fixedly connected can be the modes such as welding, bonding or clamping, the first linkage section 92 and the second connection Section 93 is extended to form by the opposite end of fixed section 91, and the first linkage section 92 extends to the bottom of the first arc-chutes 6, and first Linkage section 92 can be used for guiding the electric arc inside the first arc-chutes 6;, the second linkage section 93 extends to the bottom of the second arc-chutes 7 Portion, and the second linkage section 93 can be used for guiding the electric arc inside the second arc-chutes 7.Wherein, the first linkage section 92 and second connects Connecing section 93 can be that straight connection or bending are connected with fixed section 91, according to the first arc-chutes 6, the second arc-chutes 7 and contact The specific location of bracket 3 can be adjusted.
Further, Figure 11 and Figure 12 is please referred to, as a kind of specific embodiment of structure of contact terminal provided by the invention, The fixed section 91 is equipped with protrusion button 94, and the protrusion button 94 is fastened on the bottom of the contact supporting 3.Specifically, contact The bottom of bracket 3 is equipped with the locating slot for accommodating protrusion button 94, so that protrusion button 94 is fastened on the locating slot, thus Realize being fixedly connected between arc striking piece 9 and contact supporting 3.Wherein, protrusion button 94 is by the part sheet metal bending shape on intermediate At, the protrusion that bending is 90 degree, so that the bottom of protrusion button 94 and locating slot can fasten.
Further, Figure 11 and Figure 12 is please referred to, as a kind of specific embodiment of structure of contact terminal provided by the invention, The protrusive board 95 towards the dynamic touching bridge 1 is convexly equipped on first linkage section 92 and second linkage section 93.Specifically, convex The direct projection of plate 95 is on the first linkage section 92 and the second linkage section 93, and protrusive board 95 is located at the first linkage section 92 and the second connection Section 93, so as to shorten the distance between entire arc striking piece 9 and dynamic touching bridge 1, is reinforced going out at the moving contact 12 of dynamic touching bridge 1 The arc quenching effect of arc chamber.
Preferably, the vertical sectional shape of protrusive board 95 is triangle, wherein moving contact of the vertex of a triangle towards dynamic touching bridge 1 12, the installation of arc striking piece 9 had not both been interfered with, preferable striking effect can also be played.
Further, Figure 11 and Figure 12 is please referred to, as a kind of specific embodiment of structure of contact terminal provided by the invention, The junction of the junction and second linkage section 93 and the fixed section 91 of first linkage section 92 and fixed section 91 It is equipped with strip grooves 96.Specifically, the first linkage section 92 and the second linkage section 93 are that bending is connect with fixed section 91, i.e., first connects It connects section 92 and the second linkage section 93 is formed by the both ends bending of fixed section 91, setting strip grooves 96 can easily realize first 93 bending of linkage section 92 and the second linkage section, so that the junction and the second connection of the first linkage section 92 and fixed section 91 Section 93 and the junction of fixed section 91 are easier bending.
Fig. 3 to Figure 13 is please referred to, the present invention also provides a kind of breaker, the breaker includes such as above-mentioned any embodiment In structure of contact terminal.
Breaker provided by the invention, for elastic component 4 to be fixed, one end of elastic component 4 is fixed on contact supporting 3 The bottom other end of contact supporting 3 is directly abutted against with dynamic touching bridge 1, and contact limited part 5 is set in the top of dynamic touching bridge 1, by touching Head limited part 5 can drive dynamic touching bridge 1 far from static contact 2, and drive dynamic touching bridge 1 and static contact 2 by the return ability of dynamic touching bridge 1 It is in contact, to realize conducting, dynamic touching bridge 1 can be first installed during installation, contact limited part 5 is installed again, not need to move at this time Touching bridge 1 is inserted into the through-hole 53 of contact limited part 5, can directly stack installation, and installation is more simple, improves dynamic touching bridge 1 installation effectiveness.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or It changes still within the protection scope of the invention.

Claims (14)

1. structure of contact terminal, including dynamic touching bridge (1) and static contact (2), the dynamic touching bridge (1) can be conducted with the static contact (2), It is characterized in that, further including
Contact supporting (3);
Elastic component (4), one end of the elastic component (4) are fixed in the contact supporting (3), the elastic component (4) it is another End is abutted against with the dynamic touching bridge (1);And
Contact limited part (5), contact limited part (5) bottom are equipped with the groove (51) being arranged on the outside of dynamic touching bridge (1).
2. structure of contact terminal as described in claim 1, it is characterised in that: the contact supporting (3) includes for accommodating the bullet Property part (4) fixation bracket (31) and be set to fixed bracket (31) bottom positioning column (32), the one of the elastic component (4) End is fixed on the positioning column (32).
3. structure of contact terminal as claimed in claim 2, it is characterised in that: the fixed bracket (31) includes being located at the positioning column (32) limit plate (311) of opposite sides and connection two sides described in limit plate (311) fixed beam (312), the fixed beam (312) it is located at the top of the limit plate (311).
4. structure of contact terminal as claimed in claim 3, it is characterised in that: be additionally provided with limit on the outside of the contact limited part (5) Raised (52) offer the limiting slot (3121) of the fixed retention bead (52), and the limit on the fixed beam (312) The opening of slot (3121) is towards the positioning column (32).
5. structure of contact terminal as claimed in claim 2, it is characterised in that: further include the first arc-chutes (6) and the second arc-chutes (7), first arc-chutes (6) and second arc-chutes (7) are located at the contact supporting (3) opposite sides, and institute Stating the first arc-chutes (6) and second arc-chutes (7) includes several arc quenching plates (8), and the arc quenching plate (8) stacks gradually simultaneously It is connected with the contact supporting (3).
6. structure of contact terminal as claimed in claim 5, it is characterised in that: first arc-chutes (6) and second arc-chutes It (7) further include fastening piece (81), the fastening piece (81) is fixed on the outside of several arc quenching plates (8).
7. structure of contact terminal as claimed in claim 5, it is characterised in that: the side of the fixed bracket (31) is equipped with for connecting The first of first arc-chutes (6) is fixed board group (33), and the other side of the fixed bracket (31) is equipped with described for connecting The second of second arc-chutes (7) is fixed board group (34), and described first fixed board group (33) and second fixed plate include Two fixed plates being oppositely arranged.
8. structure of contact terminal as claimed in claim 6, it is characterised in that: be equipped with several raised lines on the outside of the fixed plate (35), the raised line (35) is inserted between the adjacent arc quenching plate (8).
9. structure of contact terminal as claimed in claim 5, it is characterised in that: further include arc striking piece (9), the arc striking piece (9) is fixed In on the contact supporting (3), and the both ends of the arc striking piece (9) extend respectively to first arc-chutes (6) and described Two arc-chutes (7).
10. structure of contact terminal as claimed in claim 9, it is characterised in that: the arc striking piece (9) includes fixed section (91), by institute State fixed section (91) both ends bending formation the first linkage section (92) and the second linkage section (93), the fixed section (91) with it is described Contact supporting (3) is fixedly connected, first linkage section (92) and first arc-chutes (6) relatively, the second connection end It is opposite with second arc-chutes (7).
11. structure of contact terminal as claimed in claim 10, it is characterised in that: the fixed section (91) is equipped with protrusion button (94), The protrusion button (94) is fastened on the bottom of the contact supporting (3).
12. structure of contact terminal as claimed in claim 10, it is characterised in that: first linkage section (92) and second connection The protrusive board (95) towards dynamic touching bridge (1) is convexly equipped in section (93).
13. structure of contact terminal as claimed in claim 10, it is characterised in that: first linkage section (92) and the fixed section (91) junction of junction and second linkage section (93) and the fixed section (91) is equipped with strip grooves (96).
14. breaker, it is characterised in that: including the described in any item structure of contact terminals of such as claim 1 to 13.
CN201910268273.7A 2019-04-02 2019-04-02 Structure of contact terminal and breaker Pending CN109830410A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203574568U (en) * 2013-10-22 2014-04-30 浙江正泰电器股份有限公司 AC motor starter
CN205959928U (en) * 2016-07-29 2017-02-15 浙江正泰电器股份有限公司 Moulded case circuit breaker
CN206134626U (en) * 2016-09-12 2017-04-26 浙江正泰电器股份有限公司 Arc extinguishing structure of circuit breaker
CN208352236U (en) * 2018-07-19 2019-01-08 华五电气有限公司 Breaker with double breaks and plastic case
CN109285704A (en) * 2018-10-16 2019-01-29 浙江正泰电器股份有限公司 The arc extinguishing structure of double break contact
CN209374378U (en) * 2019-04-02 2019-09-10 浙江人民电器有限公司 Structure of contact terminal and breaker

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203574568U (en) * 2013-10-22 2014-04-30 浙江正泰电器股份有限公司 AC motor starter
CN205959928U (en) * 2016-07-29 2017-02-15 浙江正泰电器股份有限公司 Moulded case circuit breaker
CN206134626U (en) * 2016-09-12 2017-04-26 浙江正泰电器股份有限公司 Arc extinguishing structure of circuit breaker
CN208352236U (en) * 2018-07-19 2019-01-08 华五电气有限公司 Breaker with double breaks and plastic case
CN109285704A (en) * 2018-10-16 2019-01-29 浙江正泰电器股份有限公司 The arc extinguishing structure of double break contact
CN209374378U (en) * 2019-04-02 2019-09-10 浙江人民电器有限公司 Structure of contact terminal and breaker

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