CN112951673A - Electric contact device for universal circuit breaker - Google Patents

Abstract

The invention discloses an electric contact device for a universal circuit breaker, which comprises a movable wiring assembly and a fixed wiring assembly, wherein the movable wiring assembly is arranged on the side wall of a breaker body, the fixed wiring assembly is arranged on the side wall of a base, the movable wiring assembly comprises a plurality of male end connectors and two movable contacts which are respectively arranged on the upper side and the lower side of each male end connector in an extending mode, the fixed wiring assembly comprises a plurality of female end connectors and two fixed contacts which are respectively arranged in the inner cavity of each female end connector, and the two fixed contacts are oppositely protruded at the opening end of each female end connector to form an elastic clamping opening structure in an extending mode. The male end plug-in body penetrates the open end and plug-in connection between the elastic clamp mouth structure when the circuit breaker body moves to enter the base, so that two static contact pieces and two movable contact pieces are respectively kept in close contact, the contact pressure is improved, the contact stability between the male end plug-in body and the female end connecting body is ensured, the phenomena of loosening and shaking are prevented, the electric contact device is convenient to install and use, and the wiring operation is more convenient.

Description

Electric contact device for universal circuit breaker

Technical Field

The invention relates to the technical field of low-voltage electrical appliances, in particular to an electric contact device for a universal circuit breaker.

Background

Conventional circuit breakers typically include two parts, a fixed drawer mount and a circuit breaker body. The circuit on the drawer seat is connected with the main circuit, and the circuit on the circuit breaker body is connected with an external circuit. In order to connect the main circuit and the external circuit, it is usually necessary to install a secondary circuit contact group on the universal circuit breaker, the secondary circuit contact group is an electric contact device in a control circuit of the universal circuit breaker, and is directly used for user wiring to control each device inside the circuit breaker, the secondary circuit contact group comprises a movable terminal and a stationary terminal, the movable terminal is installed on the circuit breaker body and connected with the internal circuit, the stationary terminal is installed on the drawer seat and connected with the external circuit, and a circuit formed by connecting the movable terminal and the stationary terminal is called a secondary circuit, therefore, the structural reliability and convenience of the secondary circuit contact group directly affect the use experience of users and the structural safety of the secondary circuit.

Chinese patent document CN202210496U discloses a plug-in type connection terminal for a circuit breaker, which includes a static connection terminal installed on a drawer base and a movable connection terminal installed on a circuit breaker body, wherein the lower end of the static connection terminal is provided with a plurality of rows of static interfaces, and the drawing of the document shows that a static connection terminal base is arranged in each static interface, a plurality of rows of movable interfaces corresponding to the static interfaces are arranged on the movable connection terminal, a movable connection terminal head extending out of the movable interface is arranged in each movable interface, the movable connection terminal head is made of metal material, an arched elastic metal sheet is arranged on the static connection terminal base, a horizontal contact plane is arranged on the movable connection terminal head, and when a secondary circuit of the circuit breaker is connected, the metal sheet is in contact with the contact plane, and the contact plane is exposed. The multi-row static wiring terminals of the wiring terminal are arranged inside the drawer seat, the multi-row movable wiring terminals are arranged at the rear end of the circuit breaker body, and the multi-row static wiring terminals are driven to be in contact with or separated from the multi-row movable wiring terminals when the circuit breaker body is shaken in or out on the drawer seat.

As can be seen from the above-mentioned structure of the plug-in type connection terminal for the circuit breaker, the following problems still exist: 1. the whole wiring terminal is arranged at the rear end position in the circuit breaker, the occupied space in the circuit breaker is large, and an operator is easy to collide the wiring terminal during the installation and debugging of the circuit breaker to cause the position of the wiring terminal to change, so that the movable wiring terminal and the static wiring terminal cannot be reliably aligned and plugged, and even the contact plane of the movable wiring terminal is collided and deformed, thereby influencing the normal use of the wiring terminal; 2. the static wiring terminal is provided with a metal elastic sheet at the static interface, the contact plane horizontally extending from the movable wiring terminal is abutted against the metal elastic sheet after penetrating into the static interface, a larger gap is also reserved at the static interface, the contact force of the contact form is often not large enough, the contact is easy to loose, the phenomenon of poor contact is caused, and the contact stability is poor.

Disclosure of Invention

The invention aims to solve the technical problems that a connecting terminal in the prior art occupies larger internal space of a circuit breaker, is easily influenced by collision in the installation and debugging processes of the circuit breaker, and has poor contact and poor contact stability due to insufficient contact force between a static connecting terminal and a movable connecting terminal, thereby providing the electric contact device for the universal circuit breaker, which has small internal space of the circuit breaker, is convenient to install and use, improves the contact force and has good contact stability.

In order to solve the above technical problems, the present invention provides an electrical contact device for a universal circuit breaker, the universal circuit breaker including a base and a breaker body movable into and out of the base, the electrical contact device comprising:

the movable wiring assembly is arranged on the side wall of the circuit breaker body and comprises a plurality of male end plug-in bodies which are sequentially spliced and connected and extend towards one side of the fixed wiring assembly, two movable contact pieces which respectively extend and are arranged on the upper side and the lower side of each male end plug-in body, and two incoming terminals which are arranged on the male end plug-in bodies and are respectively connected with the two movable contact pieces;

the static wiring assembly is arranged on the side wall of the base corresponding to the movable wiring assembly and comprises a plurality of female end connecting bodies which are sequentially spliced and connected, two opposite static contacts which are respectively arranged in the inner cavity of each female end connecting body, and two outgoing line terminals which are arranged on the female end connecting bodies and are respectively connected with the two static contacts, wherein the female end connecting bodies are provided with the opening ends suitable for the male end inserting bodies to be inserted, and the two static contacts are oppositely protruded at the opening ends and extend to form elastic clamp opening structures; the male end plug-in body penetrates through the opening end when the breaker body moves into the base and is plugged between the elastic clamping opening structures, so that the two static contact pieces respectively press and contact the two movable contact pieces through the elastic clamping opening structures.

As a preferable scheme, the elastic clamping opening structure comprises two V-shaped protrusions formed on the two static contact pieces in a relative manner, the two V-shaped protrusions are located on the upper side and the lower side of the male end plug-in body, and the male end plug-in body drives the two movable contact pieces on the male end plug-in body to respectively abut against the two V-shaped protrusions in a sliding manner when being inserted between the two V-shaped protrusions through the opening end.

As a preferable scheme, the male end plug body includes a boss portion provided with the incoming line terminal, and a plug portion connected to the boss portion and linearly arranged, the two movable contacts extend to be disposed on upper and lower side edges of the plug portion, the two movable contacts are respectively provided with two connecting protrusions in fit contact with the two V-shaped protrusions, and the connecting protrusions extend for a set distance along a length direction of the plug portion.

As a preferable scheme, the connecting protrusion is a linear raised line integrally formed on the movable contact piece, and the female end connecting body and the male end inserting body are respectively provided with a clamping groove structure suitable for clamping and fixing the static contact piece and the movable contact piece.

As a preferable scheme, one end of each of the two movable contact pieces is respectively clamped at the end of the plug part in an arc shape, and the other end of each of the two movable contact pieces extends into the boss part and is respectively connected with the two incoming line terminals;

one ends of the two static contacts are respectively arranged at the opening end in a V-shaped structure in an extending manner, and the other ends of the two static contacts extend to the rear end of the female end connecting body and are respectively connected with the two outgoing line terminals;

each group of the paired female end connecting body and male end inserting body is provided with two conductive loops formed by communicating an incoming line terminal, a movable contact piece, a static contact piece and an outgoing line terminal.

As a preferable scheme, two limiting bosses are arranged on two sides of the opening end, two limiting clamping feet extending and abutting against the two limiting bosses are respectively arranged on the two V-shaped protrusions, and an insertion opening with a funnel-shaped cross section is formed at the opening end opposite to the two limiting clamping feet.

As a preferred scheme, two outlet terminals and two inlet terminals are respectively arranged at the rear ends of the female end connecting body and the male end inserting body in a step-shaped up-down staggered manner; and a baffle structure for separating the incoming line terminals of the two female end connecting bodies is arranged between every two adjacent female end connecting bodies, and a baffle structure for separating the outgoing line terminals of the two female end connecting bodies is arranged between every two adjacent female end connecting bodies.

Preferably, the plug part is provided with a plurality of magnets at intervals along the length direction thereof, the plurality of magnets are positioned between the two movable contact pieces of the plug part, and the plug part is provided with a plurality of mounting grooves suitable for mounting the plurality of magnets.

As a preferred scheme, the static wiring assembly and the movable wiring assembly are respectively and fixedly connected to two bracket plates and are respectively and fixedly connected with the base and the circuit breaker body through the two bracket plates;

a plurality of female end hookup bodies or a plurality of public end plug-in components piece together an organic whole structure through connection structure, connection structure includes: set up female end hookup body or the locator card platform on one side of public end socket, with set up female end hookup body or on another side of public end socket and with the positioning groove of locator card platform cooperation joint, two adjacent female end hookups or two adjacent public end sockets pass through locator card platform and link to each other with positioning groove's cooperation.

As a preferable aspect, the connection structure further includes: the fastening rod structure is characterized in that at least two groups of through holes correspondingly penetrate through the plurality of female end connecting bodies or the plurality of male end inserting bodies and at least two groups of through holes are penetrated through so as to connect the plurality of female end connecting bodies or the plurality of male end inserting bodies, and opposite fastening forces are applied to the plurality of female end connecting bodies or the plurality of male end inserting bodies after the fastening rod structure is fixed.

Compared with the prior art, the technical scheme of the invention has the following advantages:

1. the invention provides an electric contact device for a universal circuit breaker, which is characterized in that a static wiring component is arranged on the side wall of a base, a movable wiring component is arranged on the side wall of a circuit breaker body, the circuit breaker body can be provided with a plurality of male end plug-in bodies and a plurality of female end connecting bodies to realize plug-in matching when entering and exiting the base, the static wiring component and the movable wiring component adopt a contact mode of side face matching plug-in, the internal space of the circuit breaker is not occupied, the collision injury to the static wiring component and the movable wiring component when the circuit breaker is installed and debugged is effectively avoided, the use is safe and reliable, the installation and the use are convenient, the wiring operation is more convenient, in the connection process, when the male end plug-in bodies penetrate through the opening end and are inserted into the female end connecting bodies, the male end plug-in bodies are just inserted between elastic clamping structures, so that two, thereby realize two liang of switches on of incoming line terminal and terminal outgoing lines, structural design makes two static contact and two movable contact pieces keep in close contact respectively like this, improves the contact pressure between the two, guarantees the contact stability and the plug reliability between public end plug-in connection body and the female end hookup body, prevents to take place to loosen and takes off and rock the phenomenon, promotes electric contact device's electrical property and performance.

2. The elastic clamping opening structure comprises two V-shaped bulges which are oppositely formed on two static contacts, and the elastic clamping opening structure is arranged, so that when the male end plug-in body is inserted into the opening end, the two V-shaped bulges are in sliding abutting contact with the two movable contacts, the male end plug-in body inserted into the female end connecting body is subjected to the opposite clamping action of the two V-shaped bulges, the two movable contacts are firmly clamped, the contact pressure between the movable contacts and the static contacts is reliably increased, the contact stability is good, and the current carrying capacity of the movable contacts and the static contacts is improved.

3. The invention provides an electric contact device for a universal circuit breaker, which is characterized in that two connecting bulges which are in matched contact with two V-shaped bulges are respectively arranged on two movable contacts, the design of the connecting bulges enables one side surface of each movable contact to be outwards and convexly increased by a certain height, so that the movable contact is favorably in matched contact with a static contact and the V-shaped bulges, and the connecting bulges extend for a set distance along the length direction of a plug part, namely, a male end plug-in body drives the connecting bulges to be in contact with the V-shaped bulges in the section of stroke inserted into the opening end, so that the male end plug-in body has a longer contact distance, the movable contact and the V-shaped bulges are more closely attached by virtue of the connecting bulges, the contact surfaces of the movable contact and the V-shaped bulges are prevented from generating a connecting.

4. The invention provides an electric contact device for a universal circuit breaker, which is characterized in that two wire outlet terminals and two wire inlet terminals are respectively arranged at the rear ends of a female end connecting body and a male end connecting body in a step-shaped up-down staggered manner, so that the creepage distances between the two wire outlet terminals and between the two wire inlet terminals are increased, baffle structures are respectively arranged on the side walls of the rear ends of the female end connecting body and the male end connecting body, the wire outlet terminals between two adjacent female end connecting bodies are separated through the baffle structures, the wire inlet terminals between two adjacent male end connecting bodies are also separated through the baffle structures, a plurality of female end connecting bodies and a plurality of male end connecting bodies keep safe creepage distances, and the safety of electric connection is ensured.

5. The invention provides an electric contact device for a universal circuit breaker, which is characterized in that a plurality of female end connecting bodies are spliced into a whole through the clamping matching of a positioning clamping table and a positioning groove, and a plurality of male end connecting bodies are spliced into a whole through the clamping matching of the positioning clamping table and the positioning groove, so that the female end connecting bodies or the male end inserting bodies are prepositioned, the female end connecting bodies or the male end inserting bodies are prevented from deviating in the assembling process, and finally, a fastening rod structure is arranged on the female end connecting bodies or the male end inserting bodies in a penetrating way to be fixed, so that the fastening connection among the female end connecting bodies or the male end inserting bodies is realized.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below.

Fig. 1 is a schematic view of a mounting structure of an electric contact device for a conventional circuit breaker according to the present invention;

FIG. 2 is a schematic structural view of a movable and stationary wire assembly of the present invention;

FIG. 3 is a schematic view of the installation structure of the movable contact spring in the male plug body of the invention;

FIG. 4 is a schematic view of the mounting structure of the static contact of the present invention in the female end coupling body;

FIG. 5 is a schematic structural view of the male connector of the present invention;

FIG. 6 is a schematic structural view of the female coupling body of the present invention;

description of reference numerals: a-movable wiring component, b-fixed wiring component, 1-male end connector, 11-incoming terminal, 12-boss part, 13-plug part, 14-support plate, 2-female end connector, 21-outgoing terminal, 22-open end, 23-limit boss, 3-movable contact, 4-fixed contact, 40-elastic clamping mouth structure, 41-V-shaped bulge, 42-limit clamping pin, 43-insertion hole, 5-connecting bulge, 6-baffle structure, 7-magnet, 81-positioning groove, 82-positioning clamping table, 83-through hole, 91-base and 92-breaker body.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

The present embodiment provides an electrical contact device for a conventional circuit breaker as shown in fig. 1 to 6, the conventional circuit breaker including a base 91 and a breaker body 92, the breaker body 92 being movable into and out of the base 91 by a slide rail structure, the electrical contact device including:

the movable wiring assembly a is installed on the side wall of the circuit breaker body and comprises a plurality of male end plug-in bodies 1 which are sequentially spliced and connected and extend towards one side of the base 91, two movable contact pieces 3 which respectively extend and are arranged on the upper side and the lower side of each male end plug-in body 1, and two wire inlet terminals 11 which are arranged on the male end plug-in bodies 1 and are respectively connected with the two movable contact pieces 3;

the static wiring component b is arranged on the side wall of the base corresponding to the movable wiring component and comprises a plurality of female end connecting bodies 2 which are sequentially spliced and connected, two static contact pieces 4 which are respectively arranged in the inner cavity of each female end connecting body 2 and are opposite, and two outgoing line terminals 21 which are arranged on the female end connecting bodies 2 and are respectively connected with the two static contact pieces 4, wherein the female end connecting bodies 2 are provided with open ends 22 suitable for the insertion of the male end inserting bodies, and the two static contact pieces 4 are oppositely protruded at the open ends 22 and are formed into elastic clamp opening structures 40 in an extending mode; the male plug-in unit 1 penetrates the opening end 22 and is inserted between the elastic clamping mouth structures 40 when the breaker body 92 moves into the base 91, so that the two static contacts 4 respectively press and contact the two movable contacts 3 through the elastic clamping mouth structures 40.

In the above embodiment, the static wiring assembly is mounted on the sidewall of the base 91, the movable wiring assembly is mounted on the sidewall of the circuit breaker body 92, the circuit breaker body can be provided with a plurality of male terminal connectors 1 and a plurality of female terminal connectors 2 for plug-in and pull-out matching when passing in and out of the base, the static wiring assembly and the movable wiring assembly adopt a contact mode of side-face mating plug-in and pull-out, the internal space of the circuit breaker is not occupied, collision damage to the static wiring assembly and the movable wiring assembly during circuit breaker installation and debugging is effectively avoided, the use is safe and reliable, the installation and the use are convenient, the wiring operation is more convenient, in the butt joint process of the static wiring assembly and the movable wiring assembly, when the male terminal connectors 1 are inserted into the female terminal connectors 2 through the opening end, the male terminal connectors are just inserted and connected between the elastic clamping structures 40, so that the two static contact pieces 3 press and clamp the two movable contact pieces 2 through the elastic clamping structures, therefore, two-two conduction between the incoming line terminal 11 and the outgoing line terminal 12 is realized, the two static contact pieces 4 and the two movable contact pieces 2 are respectively kept in close contact through the structural design, the contact pressure between the two static contact pieces and the two movable contact pieces is improved, the contact stability and the plugging reliability between the male end plug-in body 1 and the female end connecting body 2 are ensured, the phenomena of loosening and shaking are prevented, and the electrical performance and the service performance of the electrical contact device are improved.

The specific arrangement of the elastic nip structure is described in detail below with reference to fig. 3-4:

the elastic clamping opening structure 40 comprises two V-shaped protrusions 41 formed on the two static contacts 4, the two V-shaped protrusions 41 are located on the upper side and the lower side of the male end plug-in unit, and the male end plug-in unit 1 drives the two movable contacts 3 to respectively abut against the two V-shaped protrusions 41 in a sliding manner when penetrating between the two V-shaped protrusions 41 through the open end. According to the structure, in the process that the male end plug-in body 1 is inserted into the opening end 22, the two V-shaped protrusions 41 are in sliding contact with the two movable contact pieces 3, so that the male end plug-in body 1 inserted into the female end connecting body 2 is subjected to opposite clamping action of the two V-shaped protrusions, the two movable contact pieces 3 are firmly clamped, the contact pressure between the movable contact pieces and the static contact pieces is reliably increased, the contact stability is good, and the current carrying capacity of the movable contact pieces and the static contact pieces is improved.

As a preferred embodiment, the male terminal insert 1 includes a boss portion 12 provided with the incoming line terminal 11, and a plug portion 13 connected to the boss portion 12 and linearly arranged, the plug portion 13 can horizontally penetrate into the opening end 22, the boss portion 12 abuts against the outside of the opening end 22, as shown in fig. 3, two movable contacts 3 are respectively extended and arranged on the upper and lower side edges of the plug portion 13, two connecting protrusions 5 matched and contacted with two V-shaped protrusions 41 are respectively arranged on the two movable contacts 3, the connecting protrusions 5 extend along the length direction of the plug portion 13 for a set distance, the design of the connecting protrusions is such that a protruding surface with a certain height is protruded outwards from one side surface of the movable contact 3, which is beneficial for matching and contacting with the stationary contact 4 and the V-shaped protrusions, and the connecting protrusions 5 extend for a set distance along the length direction of the plug portion 13, namely, the male end plug-in body 1 drives the connecting protrusion 5 to contact with the V-shaped protrusion 41 in the section of the stroke inserted into the opening end 22, so that the male end plug-in body has a longer contact distance, the movable contact spring is contacted with the V-shaped protrusion more closely and attached by virtue of the connecting protrusion, a connection gap between contact surfaces of the movable contact spring and the V-shaped protrusion is avoided, and the matching contact is stable and reliable.

In order to fix the static contact piece 4 and the movable contact piece 3 on the female end connecting body 2 and the male end inserting body 1 respectively, the female end connecting body 2 and the male end inserting body 1 are provided with clamping groove structures suitable for clamping and fixing the static contact piece and the movable contact piece respectively, and the static contact piece 4 or the movable contact piece 3 can be directly clamped and fixed on the female end connecting body or the male end inserting body through the clamping groove structures, so that the two static contact pieces 4 and the two movable contact pieces 3 respectively keep fixed relative installation positions on the female end connecting body 2 and the male end inserting body 1, the installation is simple and convenient, and the matching is fixed and reliable.

The specific arrangement of the movable contact piece and the static contact piece is described in detail below with reference to fig. 3-4:

in this embodiment, the two static contacts 4 disposed on each female end coupling body 2 are separated and not contacted, and the two movable contacts 3 disposed on each male end coupling body 1 are also separated and not contacted, one end of each of the two movable contacts 3 is relatively clamped at the end of the plug portion 13 in a circular arc shape, the other end of each of the two movable contacts 3 extends into the boss portion 12 and is connected to the two incoming terminals 11, further, one end of each of the two static contacts 4 is extended in a V-shaped structure and disposed at the opening end 22, and the other end of each of the two static contacts 4 extends to the rear end of the female end coupling body 1 and is connected to the two outgoing terminals 21. Through the structure arrangement, when the female end connecting body 2 and the male end inserting body 1 are matched and plugged, the two static contact pieces 4 are respectively in corresponding contact with the two movable contact pieces 2, each group of matched female end connecting body and male end inserting body is provided with two conductive loops formed by communicating an inlet wire terminal, a movable contact piece, a static contact piece and an outlet wire terminal, the two conductive loops are not interfered with each other, so that the access and the output of two control loops are realized, compared with the traditional connecting terminal, the number of the female end connecting body and the male end inserting body can be reduced under the same specification, the product volume is reduced, and the production cost is reduced.

As a preferred embodiment, referring to fig. 3-6, two outlet terminals 21 and two inlet terminals 11 are respectively arranged at the rear end positions of the female end coupling body 2 and the male end insertion body 1 in a step-like manner, which increases the creepage distance between the two outlet terminals and between the two inlet terminals, and further, in order to maintain the safe creepage distance between the outlet terminals of a plurality of the female end coupling bodies 2 and the outlet terminals of a plurality of the male end insertion bodies 1, a baffle structure 15 is arranged between two adjacent female end coupling bodies 2 to separate the inlet terminals 11 of the two outlet terminals, and a baffle structure 15 is arranged between two adjacent female end coupling bodies 2 to separate the outlet terminals 21 of the two outlet terminals, which is designed in such a way that a safe electric clearance is maintained between the plurality of female end coupling bodies by arranging a plurality of baffle structures 15, the same makes and keeps safe electric clearance between a plurality of public end plug-in components, guarantees the electric connection security, and the wiring is safe and reliable.

In this embodiment, when the male plug 1 drives the plug portion to be inserted into or pulled out of the female plug 1, an arc phenomenon is easily generated in the process of the V-shaped protrusion of the movable contact piece and the static contact piece during the contact or separation movement, in order to accelerate arc extinguishing, a plurality of magnets 7 are arranged on the plug portion 13 at intervals along the length direction of the plug portion, the plurality of magnets 7 are located between two movable contact pieces of the plug portion 13, and a plurality of mounting grooves suitable for mounting the plurality of magnets are arranged on the plug portion 13.

In order to reliably fix the female end connecting body 2 and the male end inserting body 1 on the base and the circuit breaker body respectively, as shown in a combined drawing 1-2, the static wiring assembly and the dynamic wiring assembly are fixedly connected on two support plates 14 respectively, and are fixedly connected with the base 91 and the circuit breaker body 92 respectively through two support plates 14, a plurality of female end connecting bodies and a plurality of male end inserting bodies can be ensured to be installed smoothly through the support plates, wherein two guide holes are formed in two sides of the static wiring assembly b, two guide rods inserted in the two guide holes in a sliding mode are arranged on two sides of the dynamic wiring assembly a, and the male end inserting bodies can be guided to be accurately inserted into the female end connecting bodies through the matching of the guide rods and the guide holes, so that the matching and inserting are accurate and reliable.

As a preferred implementation mode, a plurality of female end connecting bodies 2 or a plurality of male end inserting bodies 1 are assembled into an integral structure through a connecting structure, so that the whole static wiring assembly b or the whole movable wiring assembly a is formed, the modularization and standardization assembling effect is achieved, and the assembling efficiency is improved.

The specific arrangement of the connection structure is described in detail below with reference to fig. 5-6: connection structure is including setting up female end hookup body 2 or locator card platform 82 on one side of public end plug-in connection body 1 is in with the setting female end hookup body 2 or on another side of public end plug-in connection body 1 and with the positioning groove 81 of locator card platform cooperation joint, two adjacent female end hookup bodies 2 or two adjacent public end plug-in connection bodies 1 link to each other through locator card platform 82 and positioning groove 81's cooperation, and the design makes a plurality ofly like this female end hookup body 2 or a plurality of public end plug-in connection body 1 splices together in advance. In order to prevent that a plurality of female end hookup bodies or a plurality of public end plug-in components of piecing together an organic whole from scattering and separating, reinforcing installation steadiness, connection structure still includes: at least two sets of through-holes 83 correspondingly penetrate through and are arranged on a plurality of female end connecting bodies 2 or a plurality of male end inserting bodies 1, and at least two sets of through-holes are penetrated through so as to connect at least two sets of fastening rod structures (the fastening rod structures are not shown in the attached figures) of the plurality of female end connecting bodies 2 or the plurality of male end inserting bodies 1, the through-holes and the fastening rod structures are arranged to form limiting installation effects on the plurality of female end connecting bodies or the plurality of male end inserting bodies, each set of fastening rod structures comprises a screw and a fastening nut, the screw is screwed by the fastening nut after penetrating through the through-holes so as to achieve a fixing effect, opposite fastening force is applied to the plurality of female end connecting bodies or the plurality of male end inserting bodies after the fastening rod structures are fixed, and therefore the plurality of female end connecting bodies or the plurality of male end inserting bodies are fastened and spliced together.

In conclusion, it can be seen that the plurality of female-end coupling bodies 2 are assembled into a whole through the clamping fit of the positioning clamping table and the positioning groove, and similarly, the plurality of male-end coupling bodies 1 are also assembled into a whole through the clamping fit of the positioning clamping table and the positioning groove, so that the plurality of female-end coupling bodies 2 or the plurality of male-end insertion bodies 1 are pre-positioned, the plurality of female-end coupling bodies 2 or the plurality of male-end insertion bodies 1 are prevented from deviating in position during the assembling process, and finally the fastening rod structure is inserted into the plurality of female-end coupling bodies or the plurality of male-end insertion bodies for fixing, so that the plurality of female-end coupling bodies are fastened and connected into the stationary wiring assembly, and the plurality of male-end insertion bodies are fastened and connected into the movable wiring assembly.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims (10)

1. An electrical contact arrangement for a conventional circuit breaker comprising a base (91) and a circuit breaker body (92) movable into and out of the base (91), characterized in that the electrical contact arrangement comprises:

the movable wiring assembly (a) is arranged on the side wall of the circuit breaker body and comprises a plurality of male end plug-in bodies (1) which are sequentially spliced and connected and extend towards one side of the base, two movable contact pieces (3) which respectively extend and are arranged on the upper side and the lower side of each male end plug-in body (1), and two wire inlet terminals (11) which are arranged on the male end plug-in bodies (1) and are respectively connected with the two movable contact pieces (3);

the static wiring component (b) is arranged on the side wall of the base corresponding to the movable wiring component and comprises a plurality of female end connecting bodies (2) which are sequentially spliced and connected, two static contact pieces (4) which are respectively arranged in the inner cavity of each female end connecting body (2) and are opposite, and two outgoing line terminals (21) which are arranged on the female end connecting bodies (2) and are respectively connected with the two static contact pieces (4), the female end connecting bodies (2) are provided with opening ends (22) suitable for the insertion of the male end inserting body, and the two static contact pieces (4) are oppositely protruded at the opening ends (22) and extended to form elastic clamping opening structures (40); the male end plug-in body (1) penetrates into the opening end (22) and is plugged between the elastic clamping opening structures (40) when the breaker body moves into the base, so that the two static contact pieces (4) are respectively in extrusion contact with the two movable contact pieces (3) through the elastic clamping opening structures (40).

2. The electric contact device for a conventional circuit breaker according to claim 1, wherein: the elastic clamping opening structure (40) comprises two V-shaped bulges (41) which are oppositely formed on two static contact pieces, the two V-shaped bulges (41) are positioned on the upper side and the lower side of the male end plug-in body (1), and when the male end plug-in body (1) is inserted between the two V-shaped bulges (41) through the opening end (22), the two movable contact pieces (3) on the male end plug-in body are driven to respectively abut against the two V-shaped bulges (41) in a sliding manner.

3. The electric contact device for a conventional circuit breaker according to claim 2, wherein: public end socket joint body (1) including be equipped with boss portion (12) of incoming wire terminal (11), and with boss portion (12) link to each other and be the plug portion (13) that the linearity set up, two movable contact (3) extend respectively and set up on the upper and lower both sides side of plug portion (13), two be provided with respectively on movable contact (3) with two connect protruding (5) of protruding cooperation contact of V type, connect protruding (5) edge the length direction of plug portion (13) extends the settlement distance.

4. The electric contact device for a conventional circuit breaker according to claim 3, wherein: the connecting bulge (5) is a linear raised line integrally formed on the movable contact piece, and the female end connecting body (2) and the male end inserting body (1) are respectively provided with a clamping groove structure suitable for clamping and fixing the static contact piece (4) and the movable contact piece (3).

5. The electric contact device for a conventional circuit breaker according to claim 4, wherein:

one ends of the two movable contact pieces (3) are respectively in arc-shaped relative clamping connection with the end part of the plug part (13), and the other ends of the two movable contact pieces extend into the boss part (12) and are respectively connected with the two wire inlet terminals (11);

one ends of the two static contacts (4) are respectively arranged at the opening end (22) in a V-shaped structure in an extending manner, and the other ends of the two static contacts extend to the rear end of the female end connecting body (2) and are respectively connected with the two outgoing line terminals (21);

each group of the paired female end connecting body (2) and the male end inserting body (1) is provided with two conductive loops formed by communicating an incoming line terminal, a movable contact piece, a static contact piece and an outgoing line terminal.

6. The electric contact device for a conventional circuit breaker according to claim 5, wherein: two limiting bosses (23) are arranged on two sides of the opening end (22), two V-shaped protrusions (41) are respectively provided with two limiting clamping feet (42) which extend and abut against the two limiting bosses (23), and the two limiting clamping feet (42) are oppositely formed at the opening end to form an insertion hole with a funnel-shaped cross section.

7. Electrical contact device for universal circuit breaker according to any of claims 1 to 6, characterized in that:

the two outlet terminals (21) and the two inlet terminals (11) are respectively arranged at the rear end positions of the female end connecting body (2) and the male end inserting body (1) in a step-shaped up-down staggered manner; baffle structures (15) for separating the wire inlet terminals (11) of the two female end coupling bodies (2) are arranged between the two adjacent female end coupling bodies (2), and baffle structures (15) for separating the wire outlet terminals (21) of the two female end coupling bodies (2) are arranged between the two adjacent female end coupling bodies.

8. The electric contact device for a conventional circuit breaker according to claim 3, wherein: the plug part (13) is provided with a plurality of magnets (7) at intervals along the length direction of the plug part, and the magnets (7) are positioned between two movable contact pieces of the plug part (13).

9. Electrical contact device for universal circuit breaker according to any of claims 1 to 8, characterized in that:

the static wiring assembly (a) and the movable wiring assembly (b) are respectively and fixedly connected to the two support plates (14) and are respectively and fixedly connected with the base and the circuit breaker body through the two support plates (14);

a plurality of female end hookup bodies (2) or a plurality of public end plug body (1) assemble into an organic whole structure through connection structure, connection structure includes: set up female end hookup body (2) or locator card platform (82) on one side of public end socket body (1), with set up female end hookup body (2) or on the another side of public end socket body (1) and with locator card platform (82) cooperation joint's positioning groove (81), two adjacent female end hookups body (2) or two adjacent public end socket bodies (1) link to each other through locator card platform and positioning groove's cooperation.

10. The electric contact device for a universal circuit breaker according to claim 9, wherein:

the connection structure further includes: correspond and run through at least two sets of through-hole (83) of setting on a plurality of female end hookup bodies (2) or a plurality of public end socket body (1), and pass at least two sets of through-hole (83) are in order to connect a plurality of female end hookup bodies (2) or at least two fastening rod structure of a plurality of public end socket body (1), exert opposite fastening power to a plurality of female end hookup bodies (2) or a plurality of public end socket body (1) after the fastening rod structure is fixed.

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