CN216213205U

CN216213205U - High-safety high-power leakage protection switch

Info

Publication number: CN216213205U
Application number: CN202122361323.1U
Authority: CN
Inventors: 袁夏; 薛梦华
Original assignee: Changshu Huayue Touch Technology Co ltd
Current assignee: Changshu Huayue Touch Technology Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-04-05
Anticipated expiration: 2031-09-28

Abstract

The utility model discloses a high-safety high-power leakage protection switch which comprises a main body, wherein four power supply incoming lines are arranged on the front wall of the main body close to the upper end, reset switches are arranged at the lower ends of the four power supply incoming lines, connecting terminals are arranged inside four connecting holes, a bottom plate is arranged inside the four connecting terminals, the rear walls of the four bottom plates are respectively and fixedly connected to the rear inner walls of the four connecting terminals, bolts are arranged inside the four power supply incoming lines, the rear ends of the four bolts respectively penetrate through the four power supply incoming lines and the front walls of the four connecting terminals, and the end parts of the four bolts are respectively and fixedly connected with a lower pressing block. According to the utility model, the bottom plate with friction grains is arranged in the wiring terminal and is matched with the lower pressing block, so that the electric wire is more stable in connection, and meanwhile, the installation cover is arranged at the upper end of the wiring terminal, so that the safety in installation is improved.

Description

High-safety high-power leakage protection switch

Technical Field

The utility model relates to the field of leakage protectors, in particular to a high-power leakage protection switch with high safety.

Background

The leakage protection switch is used for effectively protecting direct electric shock and indirect electric shock of a low-voltage power grid, and can also be used for open-phase protection of a three-phase motor. It has a single phase as well as a three phase. The leakage current or the neutral point-to-ground voltage change generated by the leakage current is used as an action signal, so that the action value does not need to be set by the current utilization value, the sensitivity is high, the power supply can be effectively cut off after the action, and the personal safety is guaranteed.

In the prior art, the existing earth leakage protection switch needs to be connected with a wire in the using process, but the existing wire connecting end is usually internally provided with a simple bolt and a gasket which are matched to press and fix the wire, the wire is unstable in connection, the wire is not connected easily, voltage is unstable, and normal use is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a high-safety high-power leakage protection switch.

In order to achieve the purpose, the utility model adopts the following technical scheme: comprises a main body, four power inlet wires are arranged on the front wall of the main body near the upper end, reset switches are arranged at the lower ends of the four power inlet wires, the upper wall of the main body is provided with four connecting holes, the insides of the four connecting holes are all provided with wiring terminals, the insides of the four wiring terminals are all provided with bottom plates, the rear walls of the four bottom plates are respectively and fixedly connected to the rear inner walls of the four wiring terminals, the insides of the four power inlet wires are all provided with bolts, the rear ends of the four bolts respectively penetrate through the front walls of the four power inlet wires and the four wiring terminals, the end parts of the main body are fixedly connected with a lower pressing block, an operating handle is arranged at one side of the center of the front wall of the main body, the front wall of the main body on one side of the operating handle is provided with an electric leakage switch, the lower end of the operating handle is provided with three power supply outgoing lines, and one side of each power supply outgoing line is provided with four carrying end connecting lines.

As a further description of the above technical solution:

four fixing screws are arranged on one side wall of the main body.

As a further description of the above technical solution:

the lower end of the four load end connecting wires is correspondingly provided with four binding posts, the two binding posts are directly and respectively provided with a partition board, and the upper ends of the partition boards are fixedly connected to the lower wall of the main body.

As a further description of the above technical solution:

four the upper end of connecting hole is provided with the installation lid, be provided with two hinges on the preceding lateral wall of installation lid, two the front end of hinge is fixed connection respectively on the upper wall of main part.

As a further description of the above technical solution:

four reserved openings are formed in the upper end face of the mounting cover, the positions of the reserved openings correspond to the positions of the four connecting holes in the upper end face of the main body one by one, and a handle is arranged in the center of the rear side wall of the mounting cover.

As a further description of the above technical solution:

four all be provided with striation friction lines on the antetheca of bottom plate, four the back wall shape of lower briquetting is convex, and all is provided with anti-skidding line on the lateral wall.

As a further description of the above technical solution:

the mounting cover is made of flame-retardant rubber.

As a further description of the above technical solution:

the surfaces of the bolt and the fixing screw are both cross-shaped.

The utility model has the following beneficial effects:

compared with the existing arrangement, the anti-slip wire connecting terminal has the advantages that the bottom plate is arranged inside the wire connecting terminal, the friction lines and the anti-slip lines are respectively arranged on the side wall of the bottom plate and the side wall of the lower pressing block, the lower pressing block is used for pressing, holding and fixing the wire through screwing of the bolt, the stability of the wire during installation is greatly improved, and the wire connecting terminal are effectively prevented from falling off after installation.

Compared with the existing arrangement, the leakage protection switch is characterized in that the installation cover is arranged at the upper ends of the four connecting holes, and the installation cover is made of flame-retardant rubber, so that the fire spreading caused by accidental fire can be effectively prevented, and the safety of the leakage protection switch is improved.

Drawings

Fig. 1 is an isometric view of a high-safety high-power earth leakage protection switch according to the present invention;

fig. 2 is a top view of a high-power leakage protection switch with high safety according to the present invention;

fig. 3 is an isometric view of a terminal of a high-safety high-power earth leakage protection switch according to the present invention;

fig. 4 is a top view of a mounting cover of a high-safety high-power earth leakage protection switch according to the present invention.

Illustration of the drawings:

1. a main body; 2. leading a power supply into a wire; 3. a reset switch; 4. an operating handle; 5. a power supply outlet; 6. a leakage switch; 7. a partition plate; 8. loading a terminal connection; 9. a set screw; 10. installing a cover; 11. a hinge; 12. a handle; 13. connecting holes; 14. a bolt; 15. a wiring terminal; 16. pressing the block; 17. a base plate; 18. and reserving the port.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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.

Referring to fig. 1-4, one embodiment of the present invention is provided: a high-safety high-power leakage protection switch comprises a main body 1, four power inlet wires 2 are arranged on the front wall of the main body 1 close to the upper end, a reset switch 3 is arranged at the lower end of each power inlet wire 2, four connecting holes 13 are formed in the upper wall of the main body 1, connecting terminals 15 are arranged in the four connecting holes 13, bottom plates 17 are arranged in the four connecting terminals 15, the rear walls of the four bottom plates 17 are fixedly connected to the rear inner walls of the four connecting terminals 15 respectively, bolts 14 are arranged in the four power inlet wires 2, the rear ends of the four bolts 14 penetrate through the front walls of the four power inlet wires 2 and the four connecting terminals 15 respectively, press blocks 16 are fixedly connected to the end portions of the four bottom plates 17, stripe-shaped friction lines are arranged on the front walls of the four bottom plates 17, the moving distance of the press blocks 16 is controlled by screwing the bolts 14, and the press blocks 16 and the bottom plates 17 are matched and clamped with each other, the anti-slip electric wire connector has the advantages that the electric wire connector is more stable in connection, falling between an electric wire and a wiring terminal 15 is effectively prevented, the rear walls of four lower pressing blocks 16 are arc-shaped, anti-slip threads are arranged on the side walls of the rear walls of the main body 1, an operating handle 4 is arranged at the position, close to one side, of the center of the front wall of the main body 1, a leakage switch 6 is arranged on the front wall of the main body 1 on one side of the operating handle 4, three power outlet wires 5 are arranged at the lower end of the operating handle 4, four wiring terminals 8 are arranged on one side of each power outlet wire 5, four fixing screws 9 are arranged on one side wall of the main body 1, four wiring terminals are correspondingly arranged at the lower ends of the four wiring terminals 8, partition plates 7 are directly and respectively arranged corresponding to the two wiring terminals, and the upper ends of the three partition plates 7 are fixedly connected to the lower wall of the main body 1;

the upper end of four connecting holes 13 is provided with installation lid 10, be provided with two hinges 11 on the preceding lateral wall of installation lid 10, the front end difference fixed connection of two hinges 11 is on the upper wall of main part 1, be provided with four on the up end of installation lid 10 and reserve mouthful 18, four positions of reserving mouthful 18 and four connecting hole 13 positions one-to-one on the main part 1 up end, insert the inside of binding post 15 with the spill end of electric wire copper wire through breaking through reserving mouthful 18 during the installation, can also effectually prevent that the dust from entering into the inside of binding post 15 simultaneously, and the rear side wall center department of installation lid 10 is provided with handle 12, installation lid 10 adopts fire-retardant rubber to make, can effectually prevent unexpected the fire and cause the intensity of a fire to stretch, improve the security of earth leakage protection switch, bolt 14 is the cross with the surface of set screw 9.

The working principle is as follows: the utility model relates to a high-safety high-power leakage protection switch, when in use, equipment is fixed on a wall or a wire outlet, then an installation cover 10 on the upper end surface of a main body 1 is lifted to check whether an internal wiring terminal 15 is intact, then the installation cover 10 is covered back to the upper end of the main body 1, four reserved openings 18 on the upper end of the installation cover 10 are poked through sharp objects to insert power wires into a connecting hole 13, and a bolt 14 in a power wire inlet 2 is screwed to enable a lower pressing block 16 to be matched with a bottom plate 17 to fixedly connect the wires.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. A high-power earth leakage protection switch of high security, includes main part (1), its characterized in that: the front wall of the main body (1) is provided with four power inlet wires (2) by the upper end, the lower ends of the four power inlet wires (2) are provided with reset switches (3), the upper wall of the main body (1) is provided with four connecting holes (13), the four connecting holes (13) are all provided with connecting terminals (15), the four connecting terminals (15) are all provided with bottom plates (17), the rear walls of the four bottom plates (17) are respectively and fixedly connected to the rear inner walls of the four connecting terminals (15), the four power inlet wires (2) are all provided with bolts (14), the rear ends of the four bolts (14) respectively penetrate through the front walls of the four power inlet wires (2) and the four connecting terminals (15), the end parts of the four power inlet wires are respectively and fixedly connected with lower pressing blocks (16), the center of the front wall of the main body (1) is provided with an operating handle (4) by one side, the power supply device is characterized in that a leakage switch (6) is arranged on the front wall of the main body (1) on one side of the operating handle (4), three power supply outgoing lines (5) are arranged at the lower end of the operating handle (4), and four carrying end connecting lines (8) are arranged on one side of each power supply outgoing line (5).

2. A high-power leakage protection switch with high safety as claimed in claim 1, wherein: four fixing screws (9) are arranged on one side wall of the main body (1).

3. A high-power leakage protection switch with high safety as claimed in claim 1, wherein: the lower ends of the four load end connecting wires (8) are correspondingly provided with four binding posts, the two binding posts are directly and respectively provided with a partition plate (7), and the upper ends of the partition plates (7) are fixedly connected to the lower wall of the main body (1).

4. A high-power leakage protection switch with high safety as claimed in claim 1, wherein: four the upper end of connecting hole (13) is provided with installation lid (10), be provided with two hinges (11) on the preceding lateral wall of installation lid (10), two the front end of hinge (11) is fixed connection respectively on the upper wall of main part (1).

5. A high-power leakage protection switch with high safety according to claim 4, characterized in that: four reserved openings (18) are formed in the upper end face of the mounting cover (10), the positions of the reserved openings (18) correspond to the positions of four connecting holes (13) in the upper end face of the main body (1) one by one, and a lifting handle (12) is arranged in the center of the rear side wall of the mounting cover (10).

6. A high-power leakage protection switch with high safety as claimed in claim 1, wherein: the front walls of the four bottom plates (17) are all provided with stripe-shaped friction lines, the rear walls of the four lower pressing blocks (16) are arc-shaped, and the side walls of the four lower pressing blocks are all provided with anti-skid lines.

7. A high-power leakage protection switch with high safety according to claim 4, characterized in that: the mounting cover (10) is made of flame-retardant rubber.

8. A high-power leakage protection switch with high safety as claimed in claim 1, wherein: the surfaces of the bolt (14) and the fixing screw (9) are both cross-shaped.