Rapid wiring structure of circuit breaker

Abstract

The utility model relates to a quick wiring structure of circuit breakers, which comprises a first circuit breaker and a second circuit breaker which are connected side by side, opposite sides of shells of the two circuit breakers form a hollow area for wiring of a power supply lead, and two ends of the hollow area are communicated with inner cavities of the shells. The empty areas are formed on the opposite sides of the shells of the two circuit breakers and used for wiring installation of the power supply wires, and rapid wiring in the shortest path can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit breaker technical field, especially a kind of quick wiring structure of circuit breaker. BACKGROUND

[0002] Circuit breaker is an indispensable part in electrical system, ensures the safe, reliable and efficient operation of electrical system, so the structural design and production assembly process of circuit breaker are particularly important.The layout design of circuit breaker structure affects production efficiency and cost, especially electronic leakage circuit breaker, test circuit board is connected with multiple wires, and the layout design of power supply wire is a big difficulty in circuit breaker structure design, which relates to the machining difficulty and cost of circuit breaker shell.Circuit breaker wire is generally laid in circuit breaker shell, due to the numerous internal components and compact structure of shell, it can cause the wire for supplying power to test circuit board to be routed in shell, which is inconvenient to assemble, thereby reducing production efficiency. SUMMARY

[0003] The utility model discloses a kind of quick wiring structure of circuit breaker, by forming empty area in the opposite side of the shell of two circuit breakers, it is used for the wiring installation of power supply wire, can achieve the shortest path quick wiring of two ends.

[0004] The technical scheme of the utility model discloses a kind of quick wiring structure of circuit breaker, including side by side connection's first circuit breaker and second circuit breaker, the opposite side of the shell of two circuit breakers is formed with empty area for the wiring of power supply wire, and the empty area two ends are communicated with the cavity in shell.

[0005] By forming empty area in the opposite side of the shell of two circuit breakers, it is used for the wiring installation of power supply wire, can achieve the shortest path quick wiring of two ends, to avoid routing in shell, it is convenient to supply power for circuit board to ensure the complete function of circuit breaker, this design can play the role of optimizing assembly process, improving production efficiency, saving production cost.

[0006] The utility model further provides: two circuit breaker shells at least one opposite side of two ends respectively has line clamping group, the line clamping group has multiple small clamping convex, multiple small clamping convex are vertically spaced and formed with multiple line clamping grooves for the clamping of power supply wire.

[0007] By the above further setting, wire can be straightened and placed in line clamping groove, to achieve quick wiring, and two end line clamping groups are convenient for fixing the two ends of wire.

[0008] The further setting of the utility model discloses: the shell of each circuit breaker has seat body and cover, the seat body of first circuit breaker still cooperates with the cover of second circuit breaker and constitutes the empty area, the cover of second circuit breaker has mounting portion on the outside, the seat body of first circuit breaker has notch in the corresponding mounting portion, the mounting portion is inserted into the shell of first circuit breaker through the notch, and the test circuit spring leaf is installed on the mounting portion, one end of the power supply wire is connected with the test circuit spring leaf, and the other end is connected with the test circuit board.

[0009] The further setting adopts the above, and the notch can facilitate the insertion of the mounting portion and test circuit spring leaf, and also can be used for the entry of one end of the wire, and realizes the power supply for the test circuit board.

[0010] The further setting of the utility model discloses: the first circuit breaker still includes the plug for external power supply and takes electricity, and the shell has plug mounting area, and the test circuit spring leaf presses the plug on the side wall of plug mounting area.

[0011] The further setting adopts the above, and the test circuit spring leaf contacts the plug and conducts electricity, and also presses the plug on the side wall of plug mounting area, to avoid loosening.

[0012] The further setting of the utility model discloses: the mounting portion includes convex post, arc-shaped plate located on the outside of convex post, and the arc-shaped plate and convex post are spaced apart to form arc-shaped cavity, and the test circuit spring leaf also has curved arc-shaped sheet body, first sheet body and second sheet body located at both ends of arc-shaped sheet body, the arc-shaped sheet body is placed in arc-shaped cavity, the first sheet body is connected with the power supply wire, and the second sheet body is in contact with the plug.

[0013] The further setting adopts the above, and the test circuit spring leaf is bent, and the second sheet body is also in contact with the plug.

[0014] The further setting of the utility model discloses: the plug has a pair of inserts, the upper end of the pair of inserts is connected by connecting piece, and the lower end of the pair of inserts also extends outside the shell, the connecting piece also has a pair of clamping heads on both sides, the opposite inner side of seat body and cover has clamping groove for the insertion of clamping head, and the test circuit spring leaf is in contact with the connecting piece.

[0015] The further setting adopts the above, and the pair of clamping heads is positioned by clamping groove, to avoid the movement of plug, and the upper end of the pair of inserts is connected by connecting piece, to facilitate the deformation of lower end to be in contact with the plug hole and conduct electricity. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure diagram of the embodiment of the utility model;

[0017] Figure 2 It is the structure diagram of second circuit breaker in the embodiment of the utility model;

[0018] Figure 3 is a structural diagram of the first circuit breaker in the embodiment of the utility model;

[0019] Figure 4 is an assembly structure diagram of the seat body 21 of the first circuit breaker 11 and the cover body 22 of the second circuit breaker 12 in the embodiment of the utility model;

[0020] Figure 5 is an installation structure diagram of the test circuit spring in the embodiment of the utility model;

[0021] Figure 6 is a structure diagram of the plug installation area in the embodiment of the utility model;

[0022] Figure 7 is a structure diagram of the test circuit spring in the embodiment of the utility model;

[0023] Figure 8 is a structure diagram of the plug in the embodiment of the utility model.

[0024] In the figure: the first circuit breaker 11, the second circuit breaker 12, the shell 2, the tripping mechanism 3, the arc extinguishing chamber 4, the power supply wire 5, the empty area 6, the magnetic ring 7, the wire clamping group 8, the small clamping convex 81, the wire clamping groove 82, the seat body 21, the notch 211, the cover body 22, the installation part 221, the convex column 2211, the arc-shaped plate 222, the arc-shaped cavity 2213, the test circuit spring 9, the arc-shaped piece body 91, the first piece body 92, the second piece body 93, the plug 10, the plug piece 101, the connecting piece 102, the clamping head 103, the plug installation area 13, the clamping groove 14. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] As Figures 1-8As shown, the utility model discloses a kind of quick wiring structure of circuit breaker, including side-by-side connected first circuit breaker 11 and second circuit breaker 12, each circuit breaker includes shell 2, tripping mechanism 3 and arc-extinguishing chamber 4, the shell 2 opposite side of two circuit breakers is formed with the empty area 6 for power supply wire 5 wiring, empty area 6 front and rear ends are communicated with shell inner cavity respectively, magnetic ring 7 is clamped on the shell 2 opposite side of two circuit breakers.

[0027] The shell 2 of each circuit breaker has seat body 21 and cover 22, seat body 21 and cover 22 are installed by screw or plug-in fit, the seat body 21 of the first circuit breaker 11 is also matched with the cover 22 of second circuit breaker 12 to constitute the empty area 6, and the seat body 21 of first circuit breaker 11 and the cover 22 of second circuit breaker 12 are matched plug-in fit by multiple insertion posts and insertion holes, and are connected by screw, the cover 22 outside of second circuit breaker 12 has mounting portion 221, the seat body 21 of first circuit breaker 11 has notch 211 in corresponding mounting portion, and the empty area is communicated with the inner cavity of the shell 2 of first circuit breaker 11 by one end notch, the mounting portion 221 is inserted into the shell 2 of first circuit breaker 11 through notch 211, and test circuit spring 9 is arranged on mounting portion 221, one end of power supply wire 5 is arranged through notch 211 and connected with test circuit spring 9 in the shell of first circuit breaker, and the other end is connected with test circuit board (not shown in circuit board drawing), which can be welded or plug-in fit connection conduction. By opening through opening on the seat body 21 of first circuit breaker 11 or the cover 22 of second circuit breaker 12, the empty area is communicated with the inner cavity of shell 2 through the other end through opening, which can be used for the other end of wire to be arranged to be connected with test circuit board in the shell;Or test circuit board is arranged in empty area 6, and connected with the other end of wire.

[0028] The first circuit breaker 11 further comprises a plug 10 for external power supply, and the housing 2 has a plug mounting area 13, and the test circuit spring 9 presses the plug 10 against the sidewall of the plug mounting area 13. The plug 10 has a pair of plug blades 101, the upper ends of which are integrally connected by a connecting piece 102, and the lower ends of the pair of plug blades 101 further extend out of the housing, and the connecting piece 102 further has a pair of clamping heads 103 on both sides, and the opposite inner sides of the seat body 21 and the cover body 22 have clamping grooves 14 for the clamping heads to be inserted, and the test circuit spring 9 is in contact with the connecting piece 102. The mounting portion 221 comprises a convex column 2211 and an arc-shaped plate 222 located outside the convex column, and the arc-shaped plate 222 is spaced apart from the convex column 2211 to form an arc-shaped cavity 2213, and the test circuit spring 9 further has a curved arc-shaped plate body 91, a first plate body 92 and a second plate body 93 integrally located at both ends of the arc-shaped plate body 91, the arc-shaped plate body 91 is arranged in the arc-shaped cavity 2213, the first plate body 92 is connected with the power supply wire 5, and the second plate body 93 is in contact with the plug 10 and is in contact with the conductive.

[0029] During installation, the plug 10 is installed in the plug mounting area 13 of the first circuit breaker 11, the test circuit spring 9 is installed on the mounting portion 221, the power supply wire 5 is arranged in the wire clamping groove 82 on the cover body of the second circuit breaker 12, and one end of the wire 2 is welded with the test circuit spring 9 and the other end is connected with the test circuit board,

[0030] The seat body 21 of the first circuit breaker 11 is assembled with the cover body 22 of the second circuit breaker 12, and the test circuit spring 9 installed on the mounting portion 221 passes through the gap 211 and enters the housing of the first circuit breaker 12, and the test circuit spring 9 is in contact with the plug 10 and is in contact with the conductive, and the plug 10 is pressed against the sidewall of the plug mounting area 13 to avoid loosening.

[0031] The utility model discloses a hollow area 6 is formed on the opposite side of the housing 2 of two circuit breakers, which is used for the wiring installation of the power supply wire 5, can achieve the shortest path of the front and rear relative to quickly wire, thereby avoiding the detour in the housing, and facilitating the power supply of the circuit board to ensure the complete function of the circuit breaker, and the design can optimize the assembly process, improve the production efficiency and save the production cost.

[0032] It should be noted that all directional indications (such as up, down, front, back, etc.) in the description of the utility model are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications will also change accordingly.

[0033] In addition, the description such as "first", "second" and the like in the utility model is only used for the purpose of description, and cannot be understood as indicating or implying the relative importance of the same or implicitly indicating the number of the indicated technical features. In the description of the utility model, the meaning of "several", "a plurality of" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0034] In the description of the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "coupling", "connection", "fixing" should be understood broadly, for example, it can be fixed connection, or it can be detachable connection, or it can be integrated; it can be mechanical connection, or it can be electrical connection; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

Claims

1. A quick wiring structure of a circuit breaker, comprising a first circuit breaker (11) and a second circuit breaker (12) connected side by side, characterized in that: The housings (2) of the two circuit breakers are formed with empty areas (6) on opposite sides for routing the power supply wires (5), and the empty areas (6) are in communication with the inner cavities of the housings at both ends.

2. The quick wiring structure of a circuit breaker according to claim 1, characterized by: The housings (2) of the two circuit breakers are formed with wire clamping groups (8) on both ends of at least one opposite side, and the wire clamping groups (8) are provided with a plurality of small clamping protrusions (81) which are vertically spaced apart to form a plurality of wire clamping grooves (82) for clamping the power supply wires.

3. The quick wiring structure of a circuit breaker according to claim 1 or 2, characterized by: The housing (2) of each circuit breaker is provided with a seat body (21) and a cover body (22), the seat body (21) of the first circuit breaker (11) cooperates with the cover body (22) of the second circuit breaker (12) to form the empty area (6), the cover body (22) of the second circuit breaker (12) is provided with a mounting portion (221) on the outer side, the seat body (21) of the first circuit breaker (11) is provided with a notch (211) corresponding to the mounting portion, the mounting portion (221) is inserted into the housing of the first circuit breaker (11) through the notch (211), and a test circuit spring (9) is arranged on the mounting portion (221), one end of the power supply wire (5) is connected with the test circuit spring (9), and the other end is connected with a test circuit board.

4. The quick wiring structure of a circuit breaker according to claim 3, characterized by: The first circuit breaker (11) further comprises a plug (10) for external power supply, and the housing (2) is provided with a plug mounting area (13), and the test circuit spring (9) presses the plug (10) against the side wall of the plug mounting area (13).

5. The quick wiring structure of a circuit breaker according to claim 4, characterized by: The mounting portion (221) comprises a protruding column (2211) and an arc-shaped plate (222) located on the outer side of the protruding column, the arc-shaped plate (222) is spaced apart from the protruding column (2211) to form an arc-shaped cavity (2213), the test circuit spring (9) further comprises a curved arc-shaped plate body (91), a first plate body (92) and a second plate body (93) located at both ends of the arc-shaped plate body (91), the arc-shaped plate body (91) is arranged in the arc-shaped cavity (2213), the first plate body (92) is connected with the power supply wire (5), and the second plate body (93) is in contact with the plug (10).

6. The quick wiring structure of a circuit breaker according to claim 4, characterized by: The plug (10) is provided with a pair of plug blades (101), the upper ends of the pair of plug blades (101) are connected by a connecting plate (102), the lower ends of the pair of plug blades (101) further extend out of the housing, the connecting plate (102) is further provided with a pair of clamping heads (103) on both sides, the opposite inner sides of the seat body (21) and the cover body (22) are provided with clamping grooves (14) for inserting the clamping heads, and the test circuit spring (9) is in contact with the connecting plate (102).

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