CN210006684U - Adapter for leakage circuit breaker - Google Patents

Abstract

The utility model discloses an adapter for earth leakage circuit breaker, be in including the casing with the setting two conducting strips in the casing, it is insulating mutually between two conducting strips, the end of two conducting strips by the same side of casing stretch out as with the that earth leakage circuit breaker went up the electrical connection end and connect the electrical end, the other end of two conducting strips all has two second electrical connection ends, and two second electrical connection ends are connected with the second that is used for connecting the second electricity structure of flexible conductor and is used for connecting the electrically conductive inserted sheet of outside and connect the electrical structure respectively, on the casing with the corresponding position of electricity structure is equipped with and supplies flexible conductor male perforation, on the casing with the position that the second connects electrical structure to correspond is equipped with and supplies the electrically conductive inserted second of outside to connect the perforation of inserted sheet of inserting second, the utility model has reasonable structure, can be suitable for connecting big specification wire after earth leakage circuit breaker's electrical connection end inserts above-mentioned converter to have the outside mode.

Description

Adapter for leakage circuit breaker

Technical Field

The utility model relates to an kind of adapters, concretely relates to kind of adapters for leakage circuit breaker.

Background

The internal circuit design of the leakage circuit breaker with the width of 18mm in the prior art can already bear 63A and even a larger current occasion, however, the width size of the leakage circuit breaker is limited, so that the aperture of a wiring hole of a power connection end and the size of a corresponding wiring structure are smaller and are not suitable for large-size wire connection, and therefore the leakage circuit breaker with the width of 18mm is usually used in a small current occasion below 40A, and the pushing and the use are influenced.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims at providing kinds of rational in infrastructure adapters for earth leakage circuit breaker, install this adapter and connect the electrical end at earth leakage circuit breaker and can be suitable for connecting big specification wire.

Realize the utility model discloses the technical scheme of purpose is:

A commutator for an earth leakage circuit breaker comprises a shell and two conducting strips arranged in the shell, wherein the two conducting strips are insulated, ends of the two conducting strips extend out from the same side of the shell to serve as electric connection ends connected with the upper electric connection end of the earth leakage circuit breaker, the other ends of the two conducting strips are provided with two second electric connection ends, the two second electric connection ends are respectively connected with a electric connection structure used for connecting a flexible wire and a second electric connection structure used for connecting an external conducting insertion piece, a perforation for inserting the flexible wire is arranged at the position, corresponding to the electric connection structure, on the shell, and a second perforation for inserting the external conducting insertion piece is arranged at the position, corresponding to the second electric connection structure, on the shell.

In the above technical solution, the th power connection structure includes a rectangular frame and a wire pressing screw, the rectangular frame is electrically connected with the corresponding second power connection end, the upper side of the rectangular frame is provided with a threaded through hole, the wire pressing screw is screwed in the threaded through hole, and the upper end of the wire pressing screw is provided with an operation part.

In the above technical solution, a cross-shaped groove or an -shaped groove is provided on the upper end surface of the operation part.

Among the above-mentioned technical scheme, the second connects electric structure to establish including electrically conductive inserting spring and cover electrically conductive inserting spring outside positioning seat, electrically conductive inserting spring has the relative centre gripping arm that sets up and the connecting plate that links to each other two centre gripping arms with the end, and two centre gripping arms cooperation centre gripping are inserted outside electrically conductive inserted sheet, the positioning seat is narrow wide U type structure down, and both sides wall correspondence is leaned on correspondingly the outside of centre gripping arm, the diapire of positioning seat paste lean on in the connecting plate is outside, the connecting plate is connected the electric connection of electric with corresponding second.

In the above technical solution, the housing is formed by connecting the th housing and the second housing.

The utility model has the positive effect that the converter adopts the above structure in the utility model, install this converter at earth leakage circuit breaker's the end of connecting electricity, specifically connect the electricity end of conducting strip to insert the wiring hole of the end of connecting electricity of earth leakage circuit breaker and connect through connecing the electric structure and connect, and the converter casing size outside at earth leakage circuit breaker is not restricted by earth leakage circuit breaker's width size, consequently can set up the perforation of bigger aperture size ( perforation and second perforation) and the electricity structure of bigger specification on the casing of converter, thereby the switching through this adapter can use this earth leakage circuit breaker in the occasion that bears more heavy current (more than 40A), thereby more be favorable to product push away to use, can connect the electrical structure as required to connect the flexible conductor through when external connection in addition, or connect the electrically conductive inserted sheet of outside (for the metal sheet structure) through the second electricity structure connection, thereby make the same electricity end of earth leakage circuit breaker have two kinds of different external connection modes, can then connect the electricity from the outside in practical application, perhaps two kinds of modes simultaneously, have fine practicality.

Drawings

Fig. 1 is a schematic structural view of the adapter of the present invention when connected to a residual-current circuit breaker;

fig. 2 is a schematic structural diagram of the adapter of the present invention;

FIG. 3 is a schematic view of the adapter of FIG. 2 from another angle of ;

fig. 4 is a schematic structural view of the adapter of the present invention with the housing removed;

fig. 5 is a schematic structural diagram of an conducting strip (having a electrical connection structure and a second electrical connection structure);

fig. 6 is a schematic view of a second power connection structure according to the present invention;

fig. 7 is a schematic structural view of the middle conductive plug spring of the present invention.

The reference numbers shown in the figures are 01-creepage breaker, 1-shell, 11- th through hole, 12-second through hole, 100- th shell, 101-second shell, 2-conducting strip, 21- th electric connection end, 22-second electric connection end, 3-rectangular frame, 4-line pressing screw, 5-conducting inserted spring, 51-clamping arm, 52-connecting plate, 53-connecting plate and 6-positioning seat.

Detailed Description

The specific structure of the present invention is described below with reference to the attached drawings:

an adapter for an earth leakage circuit breaker, as shown in the figure, comprising a case 1 and two conductive sheets 2 disposed in the case 1, the two conductive sheets 2 being insulated from each other, ends of the two conductive sheets 2 extending from the same side of the case 1 as a th electrical terminal 21 connected to an upper electrical terminal of the earth leakage circuit breaker 01, the other ends of the two conductive sheets 2 each having two second electrical terminals 22, the two second electrical terminals 22 being connected to a th electrical connection structure for connecting a flexible wire and a second electrical connection structure for connecting an external conductive blade, respectively, the case 1 being provided with a th through hole 11 for inserting the flexible wire at a position corresponding to the electrical connection structure of the second electrical terminal, the case 1 being provided with a second through hole 12 for inserting the external conductive blade at a position corresponding to the second electrical connection structure, the adapter being mounted at an end of the earth leakage circuit breaker, particularly, the adapter being capable of connecting the electrical connection frame 21 end of the conductive sheet 2 to the electrical terminal of the earth leakage circuit breaker by using the conventional electrical connection structure, and the electrical connection structure of the electrical leakage circuit breaker being carried by a large-size of the conventional electrical connection structure (5390) or more electrical connection structure, thereby enabling the electrical connection structure to be carried by a large-size of the electrical connection structure of the conventional electrical leakage circuit breaker when the electrical connection structure of the electrical leakage circuit breaker is used in a practical electrical connection structure.

In this embodiment, the power connection structure includes rectangular frame 3 and line ball screw 4, rectangular frame 3 is connected the end 22 electricity with corresponding second, the higher authority of rectangular frame 3 is equipped with the screw through-hole, line ball screw 4 spiro union is in the screw through-hole, line ball screw 4's upper end has operating portion 41, step , be equipped with cross groove or font groove on the up end of operating portion 41, insert the flexible conductor in rectangular frame 3 by perforation 11 during the wiring, then insert the knife tip of instrument (like the screwdriver) in cross groove or font inslot rotation line ball screw 4 and make line ball screw 4 along the axial downstream compress tightly the terminal of flexible conductor in rectangular frame 3 bottom, realize flexible conductor and rectangular frame 3's electricity and be connected.

In this embodiment, the second connects electric structure includes electrically conductive inserting spring 5 and cover and establishes electrically conductive inserting spring 5 outside positioning seat 6, electrically conductive inserting spring 5 has the relative centre gripping arm 51 that sets up and the connecting plate 52 that links to each other with the end with two centre gripping arms 51, and two centre gripping arms 51 cooperate the centre gripping to insert outside electrically conductive inserted sheet, positioning seat 6 is narrow-end-down's U type structure, and both sides wall correspondence pastes and leans on correspondingly the outside of centre gripping arm 51, the diapire of positioning seat 6 pastes and leans on outside connecting plate 52, connecting plate 52 is connected with corresponding second electrical terminal 22 electricity, adopts above-mentioned structure, is used for increasing electrically conductive inserting spring 5's clamping-force through positioning seat 6's setting to guarantee to electrically conductive inserting spring 5 and the reliability of being connected between the electrically conductive inserted sheet of outside.

In this embodiment, the side end of the connecting plate 52 has a connecting plate 53 electrically connected to the second electrical connection terminal, and the electrically connecting plate 53 is electrically connected to the corresponding second electrical connection terminal 22 by welding.

In this embodiment, the housing 1 is formed by connecting the th housing 100 and the second housing 101, the connection mode is clamping connection or screw connection, when assembling, the components inside the housing are mounted on the th housing 100, and then the second housing 101 is covered and fixed to complete the assembling.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. 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 such obvious changes and modifications which fall within the spirit of the invention are deemed to be covered by the present invention.

Claims (5)

1. The adapter for the electric leakage circuit breaker comprises a shell (1) and two conducting strips (2) arranged in the shell (1), wherein the two conducting strips (2) are insulated, and the adapter is characterized in that ends of the two conducting strips (2) extend out of the same side of the shell (1) to serve as electric connection ends (21) connected with the upper electric connection end of the electric leakage circuit breaker (01), the other ends of the two conducting strips (2) are respectively provided with two second electric connection ends (22), the two second electric connection ends (22) are respectively connected with a electric connection structure used for connecting a soft lead and a second electric connection structure used for connecting an external conductive insertion piece, a through hole (11) used for inserting the soft lead is formed in a position, corresponding to the electric connection structure, on the shell (1), and a second through hole (12) used for inserting the external conductive insertion piece is formed in a position, corresponding to the second electric connection structure, on the shell (1).
2. 2. The adapter for the residual current circuit breaker according to claim 1, wherein the th electrical connection structure comprises a rectangular frame (3) and a line pressing screw (4), the rectangular frame (3) is electrically connected with the corresponding second electrical connection end (22), the upper side of the rectangular frame (3) is provided with a threaded through hole, the line pressing screw (4) is screwed in the threaded through hole, and the upper end of the line pressing screw (4) is provided with an operating part (41).
3. 3. The adapter for a residual current circuit breaker according to claim 2, wherein a cross-shaped groove or an -shaped groove is provided on the upper end surface of the operation portion (41).
4. 4. The adapter for a residual current circuit breaker according to claim 1, wherein: the second connects electric structure to establish including electrically conductive plug spring (5) and cover electrically conductive plug spring (5) outside positioning seat (6), electrically conductive plug spring (5) have relative centre gripping arm (51) that sets up and with two centre gripping arms (51) with connecting plate (52) that the end links to each other, two centre gripping arms (51) cooperation centre gripping are inserted outside electrically conductive inserted sheet, positioning seat (6) are under the narrow wide U type structure, and both sides wall correspondence is leaned on correspondingly the outside of centre gripping arm (51), the diapire subsides of positioning seat (6) are leaned on connecting plate (52) are outside, connecting plate (52) connect electric end (22) electricity with corresponding second and are connected.
5. 5. The adapter for a residual current circuit breaker according to claim 1, wherein the housing (1) is formed by connecting a -th housing (100) and a second housing (101).

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