CN201774167U - Connecting terminal for circuit breaker - Google Patents

Abstract

The utility model relates to a connecting terminal for a circuit breaker, which belongs to low-voltage power transmission and distribution equipment. The connecting terminal consists of a static connecting terminal, namely a connector base, and a dynamic connecting terminal, namely a contact frame, wherein the static connecting terminal is arranged on a drawer frame of the circuit breaker; and the dynamic connecting terminal is arranged on the circuit breaker. A plurality of socket interfaces are arranged on a mounting plate of the connector base; a plurality of plug interfaces are arranged on a supporting seat of the contact frame; the number of sockets is the same as that of plugs; and the sockets and the plugs can be connected. A conducting rod in the connecting terminal has a certain width and has a cambered structure on a corresponding part, so that more reliable electric connection is realized.

Description

The binding post that is used for circuit breaker

Technical field

The utility model relates to a kind of secondary connection terminal of secondary connection terminal, particularly a kind of withdrawable circuit breaker of circuit breaker, belongs to the electric connecting part in the low-pressure electronic equipment product field.

Background technology

The secondary connection terminal belongs to applied parts in the withdrawable circuit breaker.The withdrawable circuit breaker circuit comprises two parts, and a part is the junction block of circuit breaker and the circuit that the contact frame forms, and is called secondary circuit; Another part is the main circuit of circuit breaker connection and the circuit that external circuit forms, and is called major loop.Junction block satisfies user's wiring, and the wiring of contact frame is finished by the manufacturer, when junction block with after the contact frame cooperates, just realized the connection of secondary circuit, the circuit that the user connects promptly can be included each components and parts that the contact frame connects in a whole set of circuit in.

Junction block is installed on the drawout chassis, links to each other with external circuit, and it satisfies user's wiring.The contact frame is installed on the body, links to each other with the circuit of inner each components and parts; When body was connected cooperation with drawout chassis after, just junction block also was connected simultaneously with the contact frame, has reached the connection of entire circuit.

Continuous enhancing along with the circuit breaker function, the parts of the secondary connection terminal on the circuit breaker are on the increase, the volume of secondary connection terminal is also more and more littler, requirement for precision and reliability is also more and more higher, and in the selection of butted line number, except satisfying the demands of consumers, also need consider economy.

The secondary connection terminal of existing withdrawable circuit breaker has following defective:

1. the inner conductor of secondary connection terminal is a needle-like, in the process of patching, often produces loose contact, causes the virtual connection of circuit.

2. the wiring bits number of secondary connection terminal is fixed, and can not carry out number by the user and select, and so just causes wiring bits number deficiency or causes the wiring bits number too much to waste.

3. terminal block mode is to adopt screw to confine pressing plate, fixes wiring with pressing plate.This mode of operation need be rotated screw, and at numerous wiring positions, it is loaded down with trivial details, not convenient that this mode seems.

The utility model content

The purpose of this utility model provides the binding post that a kind of circuit breaker is used, its have be electrically connected reliable and secure, wiring is convenient, the selectable characteristics of wiring number.

In order to achieve the above object, the utility model adopts following technical scheme:

A kind of binding post that is used for circuit breaker, comprise junction block that is installed on the drawer frame and the contact frame that is installed on the breaker body, junction block and contact frame can patch mutually, junction block is made up of mounting panel and socket, assign several sockets on the mounting panel side by side, the contact frame is by support, bearing, plug is formed, support is fixed on the breaker body, support top erection support, the bearing top is assigned several plugs side by side, and it is characterized in that: described socket is " U " shape, and the sub-edge connector conducting rod is installed in the housing of socket, the terminals that are positioned at the socket conducting rod of socket upper end adopt card line shell fragment chucking, satisfy connection function; The inserted terminal that is positioned at the socket conducting rod of socket lower end has the arc surfaced projection; Sheet plug conducting bar is installed in the housing of described plug, and the terminals of plug conducting bar adopt card line shell fragment chucking, satisfy connection function; The inserted terminal of plug conducting bar is fixed in the plug casing, and a globoidal structure that matches with the arc surfaced projection of socket conducting rod inserted terminal is arranged on the plug conducting bar.

In implementing measure of the present utility model:

The terminals of socket conducting rod can be drawn branch, satisfy equipotential wiring.

Can be interlocked shoulder to shoulder between the housing of socket, to form enclosed environment.

The two ends, the left and right sides of the bearing of described contact frame are provided with lead; Gathering sill is established at the two ends, the left and right sides of described mounting panel, and this gathering sill matches with the lead of bearing, can realize sliding.

The top end face of described mounting panel overlaps with the top end face of socket.

The top end face of described mounting panel and the top end face of socket have an angle of inclination.

The utility model has the advantages that:

1. owing on line stretcher, adopted the sheet conducting rod, change stylus structure in the past, therefore strengthened being electrically connected reliability, solved the problem of circuit virtual connection;

2. owing to adopted card line shell fragment and sheet conducting rod to be combined to form the mode of circuit, can realize wiring by the compressing shell fragment, thereby make the mode of connection more convenient, simple and easy;

3. the wiring number can be controlled by selecting suitable plug and socket number, and whole wiring number has alternative, can select suitable number according to demand, so that cost is reduced.

Description of drawings

Fig. 1 is a secondary connection terminal schematic diagram of the present utility model;

Fig. 2 is the front view of secondary connection terminal connection status of the present utility model;

Fig. 3 is the socket figure of the junction block inside in the secondary connection terminal of the present utility model;

Fig. 4 is the plug construction figure of the contact frame inside in the secondary connection terminal of the present utility model;

Fig. 5 is the schematic diagram that the contact frame in the secondary connection terminal of the present utility model is installed in body;

Fig. 6 is the schematic diagram that the junction block in the secondary connection terminal of the present utility model is installed in drawer frame;

Fig. 7 is the schematic diagram and the view of lead before wiring of the conductive contact piece that is connected with the conducting rod terminals of the card line shell fragment in the secondary connection terminal of the present utility model;

Fig. 8 is the schematic diagram and the state schematic isometric of lead before wiring of the conductive contact piece that is connected with the conducting rod terminals of the card line shell fragment in the secondary connection terminal of the present utility model;

Fig. 9 is the schematic diagram and the view of lead after wiring of the conductive contact piece that is connected with the conducting rod terminals of the card line shell fragment in the secondary connection terminal of the present utility model;

Figure 10 is the schematic diagram and the state schematic isometric of lead after wiring of the conductive contact piece that is connected with the conducting rod terminals of the card line shell fragment in the secondary connection terminal of the present utility model;

Figure 11 is the structure cutaway view of the socket of the junction block inside in the secondary connection terminal of the present utility model.

Embodiment

The utility model is a kind of binding post that is used for circuit breaker.See also Fig. 1, Fig. 5, Fig. 6, binding post comprises junction block 2 that is installed on the drawer frame 1 and the contact frame 4 that is installed on the breaker body 3, and junction block 2 and contact frame 4 can patch mutually.Junction block 2 is made up of mounting panel 21 and socket 22, assigns several sockets 22 on the mounting panel 21 side by side.As shown in Figure 2, contact frame 4 is made up of support 41, bearing 42, plug 43, and support 41 is fixed on the breaker body 3, support 41 top erection supports 42, and bearing 42 tops are assigned several plugs 43 side by side.

As shown in Figure 3, socket 22 is " U " shape, and the housing of socket is installed two sub-edge connector conducting rods 24 for 23 li, and the terminals that are positioned at the socket conducting rod of socket upper end adopt card line shell fragment 5 chuckings, satisfy connection function; The inserted terminal that is positioned at the socket conducting rod of socket lower end has arc surfaced projection 25, and this inserted terminal can also can reset in stressed inside motion.

The terminals of socket conducting rod 24 can be drawn branch, satisfy equipotential wiring, and each terminals shown in the figure are drawn two branches.

Can be interlocked shoulder to shoulder between the housing of adjacent outlet, just form the space environment of a sealing between such two housings.This enclosure space is for patching the electrical safety guarantee that provides bigger.

As shown in Figure 4, the housing of plug is installed two male blade conducting rods 47 for 44 li, and the terminals of plug conducting bar adopt card line shell fragment 5 chuckings, satisfy connection function; The inserted terminal of plug conducting bar 47 is fixed on 44 li of plug casings, and a globoidal structure 46 that matches with the arc surfaced projection of socket conducting rod inserted terminal is arranged on the plug conducting bar.

When pegging graft, two male blade conducting rods 47 of plug 43 contact with the socket conducting rod 24 of socket 22, and the globoidal structure 46 on the plug conducting bar 47 tightly combines with projection 25 on the socket conducting rod 24, constitutes electric loop.

As shown in figure 11, at each wiring position of the housing 23 of socket and each wiring position of the housing 44 of plug all have wiring hole 7, wiring hole is installed the conductive contact piece that card line shell fragment 5 is connected with the conducting rod terminals for 7 li.Each wiring hole 7 other handle hole 8 in addition, this handle hole 8 is used to stir card line shell fragment 5, the purpose that makes it deformation take place and then reach the card line.Concrete instrument can use straight screwdriver, gos deep into handle hole, and then the folding surface of contact card line shell fragment 5, can stir folding surface and make 5 distortion of card line shell fragment.As shown in Figure 7 and Figure 8, be the front view and the stereogram of the conductive contact piece that lead 6 and card line shell fragment 5 are connected with the conducting rod terminals before the plug wire, block line shell fragment 5 at this moment and also be not subjected to stirring of straight screwdriver; As Fig. 9 and shown in Figure 10, be the front view and the stereogram of the conductive contact piece that lead 6 and card line shell fragment 5 are connected with the conducting rod terminals behind the plug wire, block at this moment line shell fragment 5 be subjected to stirring of straight screwdriver and taken place to be out of shape after lead 6 is blocked.

In addition, the two ends, the left and right sides of the bearing of contact frame are provided with lead; The two ends, the left and right sides of mounting panel are provided with the gathering sill that matches with the lead of bearing, and lead can slide in gathering sill.Can improve junction block and the precision of contact frame in the grafting process like this.

The top end face of mounting panel 21 overlaps with the top end face of socket 22, and both top end faces have certain angle of inclination.

The number of the number of plug 43 and socket 22 can be selected according to demand.

Above-described embodiment is a kind of of the more excellent embodiment of the utility model, and common variation that those skilled in the art carries out in the technical solutions of the utility model scope and replacement all should be included in the protection range of the present utility model.

Claims (6)

1. binding post that is used for circuit breaker, comprise junction block that is installed on the drawer frame and the contact frame that is installed on the breaker body, junction block and contact frame can patch mutually, junction block is made up of mounting panel and socket, assigns several sockets on the mounting panel side by side, and the contact frame is made up of support, bearing, plug, support is fixed on the breaker body, support top erection support, the bearing top is assigned several plugs side by side, it is characterized in that:

Described socket is " U " shape, and the sub-edge connector conducting rod is installed in the housing of socket, and the terminals that are positioned at the socket conducting rod of socket upper end adopt card line shell fragment chucking, satisfy connection function; The inserted terminal that is positioned at the socket conducting rod of socket lower end has the arc surfaced projection;

Sheet plug conducting bar is installed in the housing of described plug, and the terminals of plug conducting bar adopt card line shell fragment chucking, satisfy connection function; The inserted terminal of plug conducting bar is fixed in the plug casing, and a globoidal structure that matches with the arc surfaced projection of socket conducting rod inserted terminal is arranged on the plug conducting bar.

2. the binding post that is used for circuit breaker as claimed in claim 1 is characterized in that:

The terminals of socket conducting rod are drawn branch, to satisfy equipotential wiring.

3. the binding post that is used for circuit breaker as claimed in claim 1 is characterized in that:

Can be interlocked shoulder to shoulder between the housing of socket, to form enclosed environment.

4. the binding post that is used for circuit breaker as claimed in claim 1 is characterized in that:

The two ends, the left and right sides of the bearing of described contact frame are provided with lead;

Gathering sill is established at the two ends, the left and right sides of described mounting panel, and this gathering sill matches with the lead of bearing, can realize sliding.

5. the binding post that is used for circuit breaker as claimed in claim 1 is characterized in that:

The top end face of described mounting panel overlaps with the top end face of socket.

6. the binding post that is used for circuit breaker as claimed in claim 5 is characterized in that:

The top end face of described mounting panel and the top end face of socket have an angle of inclination.

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