Miniature residual-current circuit breaker structure

Abstract

The utility model relates to the technical field of circuit breakers, and particularly discloses a small-sized residual-current circuit breaker structure which comprises a base, one end of the base is connected with a residual-current circuit breaker base body, the top and the bottom of one end of the base are both provided with T-shaped moving grooves, one side of the top and one side of the bottom of one end of the base are both provided with accommodating notches, and the other side of the top and the bottom of the other end of the base are provided with clamping grooves. A shielding part is arranged at one end of the base, the interiors of the two storage notches are jointly connected with a limiting part, and the shielding part comprises a shielding cover and two sliding rods. The shielding component, the limiting component and the T-shaped moving groove are matched with the containing notch, the U-shaped limiting frame is pressed to enable the part, protruding out of the shielding cover, of the U-shaped limiting frame to enter the containing groove, in the process, the second reset spring and the third reset spring are compressed, meanwhile, the first inclined face corresponds to the second inclined face, the shielding cover is pulled leftwards to move leftwards, and then the shielding cover is pulled leftwards to move leftwards. Finally, the operation part of the residual-current circuit breaker is exposed, and the residual-current circuit breaker is controlled according to requirements.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit breaker technical field, concretely is a small -size leakage circuit breaker structure. BACKGROUND

[0002] Circuit breaker refers to the switch device that can close, carry and open the current under the normal loop condition and can close, carry and open the current under the abnormal loop condition in the prescribed time. Circuit breaker is divided into high voltage circuit breaker and low voltage circuit breaker according to its use range, and the high-low voltage boundary is relatively fuzzy, and generally above 3kV is called high voltage electric appliance. Circuit breaker can be used to distribute electric energy, start asynchronous motor infrequently, and protect power supply line and motor, and can automatically cut off the circuit when they occur serious overload or short circuit and under voltage, and its function is equivalent to the combination of fuse type switch and over-under thermal relay. Moreover, after breaking the fault current, generally no parts need to be changed. It has been widely used. In the generation, transmission and use of electricity, power distribution is an extremely important link. Power distribution system includes transformer and various high-low voltage electric appliances, and low voltage circuit breaker is a kind of electric appliance with large use quantity and wide range.

[0003] The utility model discloses a small -size leakage circuit breaker in patent application publication number CN221632490U discloses a small -size leakage circuit breaker, including the number of two circuit breaker body, install the plug -in assembly on the circuit breaker body, install the heat dissipation subassembly on the circuit breaker body, the plug -in assembly includes with the fixed mounting of installation frame and installation block in the bottom of circuit breaker body, the inside fixed mounting of installation frame has telescopic spring, the right side fixed mounting of telescopic spring has sliding plate, the right side fixed mounting of sliding plate has plug -in rod. The small -size leakage circuit breaker, through install plug -in assembly, can quickly assemble and connect multiple circuit breakers, facilitate the single circuit breaker is split and is repaired and is replaced when the circuit breaker is damaged, shorten the repair time, beneficial to reduce maintenance cost, beneficial to improve the practicability of device, through install heat dissipation subassembly, the circuit breaker body and the installation surface can keep a certain heat dissipation space according to demand, beneficial to improve the service life of circuit breaker body.

[0004] But the above -mentioned device still has some shortcomings when actually using, and the more obvious one is that the operating part of leakage circuit breaker is always exposed, when being touched by mistake by outside, tripping condition is prone to occur, causes the power -off condition, brings great inconvenience to people's daily life. Therefore, in order to solve such problems, we propose a small -size leakage circuit breaker structure. Utility model content

[0005] The utility model relates to circuit breaker technical field, concretely is a small -size leakage circuit breaker structure.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme:

[0007] A small leakage circuit breaker structure, including the base, the base one end is connected with leakage circuit breaking base body, and the top and bottom of base one end are all seted up T type mobile groove, and one side of the top and bottom of base one end are all seted up and receive the notched, and one end of base is provided with shielding component, and the inside of two receiving notches is connected with the limiting component in common, and shielding component includes shielding cover and two slip rods, and the both ends of slip rod are connected with the both ends of T type mobile groove inner wall, and the outside of slip rod is equipped with T type moving block, and one end of two T type moving blocks is connected with shielding cover, and one side of shielding cover is embedded with toughened glass board, and the other side of shielding cover is seted up with the limiting notched, and the top and bottom of shielding cover one side are all seted up and receive the groove, and the inner wall of receiving groove is seted up with the rotary slot.

[0008] Preferably, the outside of the slip rod is equipped with a reset spring, one side of the reset spring is connected with one side of the T type mobile groove inner wall, and the other side of the reset spring is connected with the T type moving block.

[0009] Preferably, the inner wall of the limiting notched is connected with a support sleeve, the inner wall of the support sleeve is movably connected with a rotating screw pipe through a bearing, and one side of the T type moving block is seted up with a positioning hole.

[0010] Preferably, the outside of the rotating screw pipe is fixedly equipped with a rotating disc, the rotating disc is used in cooperation with the rotating slot, the inside of the rotating screw pipe is threadedly connected with a positioning screw rod, and one side of the positioning screw rod away from the rotating screw pipe extends to the inside of the positioning hole.

[0011] Preferably, the limiting component includes two reset springs, one end of the reset spring is connected with the inner wall of the receiving notched, and one side of the reset spring away from the inner wall of the receiving notched is connected with a U type limiting frame, and the U type limiting frame is used in cooperation with the limiting notched.

[0012] Preferably, the inner wall of the U type limiting frame is seted up with a hidden groove, the inner wall of the hidden groove is connected with a plurality of reset springs, the other end of the plurality of reset springs is connected with a shielding plate in common, and one end of the shielding plate away from the reset spring penetrates the hidden groove.

[0013] Compared with the prior art, the utility model has the beneficial effects as follows:

[0014] The utility model discloses a shielding part, spacing part, T type mobile groove and the cooperation of storage gap, press the U type spacing frame and make its convex part of shielding cover enter the storage groove, in this process, reset spring no. 2 and reset spring no. 3 are compressed simultaneously, make bevel no. 1 and bevel no. 2 correspond to each other, pull the shielding cover to the left and make it move to the left, finally make the operating part of leakage circuit breaker expose, according to the requirement control leakage circuit breaker, avoid operating part expose outside, when being mistaken touch, appear trip-out. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structure isometric drawing of the utility model;

[0016] Figure 2 It is the base and leakage circuit breaker base body structure cooperation isometric drawing of the utility model;

[0017] Figure 3 It is the shielding part structure isometric drawing of the utility model;

[0018] Figure 4 It is the utility model Figure 3 The enlarged view of A;

[0019] Figure 5 It is the spacing part structure isometric drawing of the utility model;

[0020] Figure 6 It is the utility model Figure 5 Right view.

[0021] In the drawing: 1, shielding part;11, toughened glass plate;12, shielding cover;13, spacing gap;14, sliding rod;15, reset spring no. 1;16, support cover;17, rotating disc;18, positioning hole;19, T type mobile block;110, positioning screw;111, rotating screw pipe;112, rotating notch;113, storage groove;2, leakage circuit breaker base body;3, base;4, spacing part;41, U type spacing frame;42, reset spring no. 3;43, baffle;44, reset spring no. 2;45, hidden groove;5, T type mobile groove;6, storage gap. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] Please refer to Figures 1-6The utility model provides a small leakage circuit breaker structure, including the base 3, the leakage circuit breaker base body 2 is connected to one end of base 3, and the top and bottom of one end of base 3 are both provided with T type mobile groove 5, and one side of the top and bottom of one end of base 3 is both provided with the receiving gap 6, and one end of base 3 is provided with the shielding component 1, and the inside of two receiving gaps 6 is jointly connected with the limiting component 4, and the shielding component 1 includes shielding cover 12 and two slip rods 14, and the both ends of slip rod 14 are connected with the both ends of the inner wall of T type mobile groove 5, and the outside of slip rod 14 is provided with T type moving block 19, and one end of two T type moving blocks 19 is connected with shielding cover 12, and one side of shielding cover 12 is embedded with tempered glass plate 11, and the other side of shielding cover 12 is provided with limiting gap 13, and the top and bottom of one side of shielding cover 12 are both provided with receiving groove 113, and the inner wall of receiving groove 113 is provided with rotary slot 112.

[0024] As a technical optimization scheme of the utility model, the outside of slip rod 14 is provided with reset spring one 15, one side of reset spring one 15 is connected with one side of the inner wall of T type mobile groove 5, and the other side of reset spring one 15 is connected with T type moving block 19, through reset spring one 15, the reset of T type moving block 19 after moving is convenient.

[0025] As a technical optimization scheme of the utility model, the inner wall of limiting gap 13 is connected with support sleeve 16, the inner wall of support sleeve 16 is movably connected with rotary screw pipe 111 through bearing, and one side of T type moving block 19 is provided with positioning hole 18, through support sleeve 16, rotary screw pipe 111 can be supported, and the subsequent rotation of rotary screw pipe 111 is facilitated.

[0026] As a technical optimization scheme of the utility model, the outside of rotary screw pipe 111 is fixedly provided with rotary disc 17, rotary disc 17 is used in cooperation with rotary slot 112, the inside of rotary screw pipe 111 is screw-connected with positioning screw 110, and the side, away from rotary screw pipe 111 of positioning screw 110, extends to the inside of positioning hole 18, through rotary disc 17, rotary screw pipe 111 is conveniently rotated.

[0027] As a technical optimization scheme of the utility model, limiting component 4 includes two reset springs two 44, one end of reset spring two 44 is connected with the inner wall of receiving gap 6, the side, away from the inner wall of receiving gap 6 of reset spring two 44, is connected with U-shaped limiting frame 41, U-shaped limiting frame 41 is used in cooperation with limiting gap 13, through receiving gap 6, reset spring two 44 and U-shaped limiting frame 41 can be stored, and the both sides of one end of U-shaped limiting frame 41 are both provided with inclined plane one, and one side of the inner wall of limiting gap 13 is provided with inclined plane two for cooperation with inclined plane one.

[0028] As a technical optimization scheme of the utility model, the inner wall of the U-shaped limiting frame 41 is provided with a hidden groove 45, the inner wall of the hidden groove 45 is connected with a plurality of reset springs three 42, the other end of the plurality of reset springs three 42 is commonly connected with a shielding plate 43, one end of the shielding plate 43 away from the reset springs three 42 penetrates the hidden groove 45; the shielding plate 43 is used in cooperation with the electric leakage circuit breaker base 2; through the hidden groove 45, the top of the shielding plate 43 can be stored.

[0029] In use, the utility model presses the U-shaped limiting frame 41 to make the part of the convex shielding cover 12 enter the storage groove 113, in this process, reset spring two 44 and reset spring three 42 are compressed, simultaneously, the bevel one and the bevel two correspond, pull the shielding cover 12 to the left to make it move to the left, finally make the operating part of the electric leakage circuit breaker expose, according to the requirement, control the electric leakage circuit breaker, avoid the operating part to expose outside, when being mistaken touch, appear the tripping, further use the cooperation of the U-shaped limiting frame 41 and the shielding plate 43, can shield the right side of the inner wall of the shielding cover 12, it needs to be explained that the left side of the inner wall of the shielding cover 12 is closed state.When the shielding cover 12 needs to be disassembled, when the shielding cover 12 is separated from the U-shaped limiting frame 41, reverse rotation disc 17 drives rotating screw pipe 111 to reverse, drive positioning screw 110 to move to the inside of rotating screw pipe 111, make it separate from the inside of positioning hole 18, complete the disassembly of the shielding cover 12.

[0030] Above, only for the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme of the utility model and the utility model concept, equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. A structure for a miniature residual current circuit breaker, comprising a base (3), characterized in that: One end of the base (3) is connected to the leakage circuit breaker base (2). T-shaped moving grooves (5) are provided at the top and bottom of one end of the base (3). A storage notch (6) is provided on one side of the top and bottom of one end of the base (3). A shielding component (1) is provided at one end of the base (3). The interior of the two storage notches (6) is connected to a limiting component (4). The shielding component (1) includes a shielding cover (12) and two sliding rods (14). The two ends of the sliding rods (14) are connected to the T-shaped moving grooves (2). The two ends of the inner wall of the moving groove (5) are connected, and the outside of the sliding rod (14) is fitted with a T-shaped moving block (19). One end of the two T-shaped moving blocks (19) is connected to the shield (12). A tempered glass plate (11) is inlaid on one side of the shield (12), and a limit notch (13) is opened through the other side of the shield (12). A storage groove (113) is opened at the top and bottom of one side of the shield (12), and a rotating groove (112) is opened on the inner wall of the storage groove (113).

2. The structure of a miniature residual current circuit breaker according to claim 1, characterized in that: The sliding rod (14) is fitted with a return spring (15). One side of the return spring (15) is connected to one side of the inner wall of the T-shaped moving groove (5), and the other side of the return spring (15) is connected to the T-shaped moving block (19).

3. The structure of a miniature residual current circuit breaker according to claim 1, characterized in that: The inner wall of the limiting notch (13) is connected to a support sleeve (16), and the inner wall of the support sleeve (16) is movably connected to a rotating screw tube (111) through a bearing. A positioning hole (18) is opened on one side of the T-shaped moving block (19).

4. The structure of a miniature residual current circuit breaker according to claim 3, characterized in that: The rotating screw tube (111) is externally fixedly fitted with a rotating disk (17), which is used in conjunction with the rotating slot (112). The rotating screw tube (111) is internally threaded with a positioning screw (110), which extends from the side away from the rotating screw tube (111) into the interior of the positioning hole (18).

5. The structure of a miniature residual current circuit breaker according to claim 1, characterized in that: The limiting component (4) includes two reset springs (44). One end of the reset spring (44) is connected to the inner wall of the storage notch (6). A U-shaped limiting frame (41) is connected to the side of the reset spring (44) away from the inner wall of the storage notch (6). The U-shaped limiting frame (41) is used in conjunction with the limiting notch (13).

6. The structure of a miniature residual current circuit breaker according to claim 5, characterized in that: The inner wall of the U-shaped limiting frame (41) is provided with a hidden groove (45). The inner wall of the hidden groove (45) is connected to a number of reset springs (42). The other end of the number of reset springs (42) is connected to a baffle plate (43). The end of the baffle plate (43) away from the reset springs (42) passes through the hidden groove (45).

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