CN220107561U

CN220107561U - Leakage protection box

Info

Publication number: CN220107561U
Application number: CN202320167692.3U
Authority: CN
Inventors: 薛菁华; 张卫
Original assignee: Jiangyin Changjiang Electric Appliance Co ltd
Current assignee: Jiangyin Changjiang Electric Appliance Co ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-11-28
Anticipated expiration: 2033-02-09

Abstract

The utility model relates to a leakage protection box, which comprises an outer shell body formed by a box body (1) and an upper cover (2), wherein mounting holes (1.1) are formed in the periphery of the bottom of the outer wall of the box body (1) forming the outer shell body, a plug (4) is inserted into the side wall of the box body (1), a mounting guide rail (5) is arranged in the inner bottom of the box body (1), a leakage protector (101) is mounted on the mounting guide rail (5), the leakage protector (101) is electrically connected with the plug (4), the top operation part of the leakage protector (101) penetrates through an operation window (2.1) of the upper cover (2), and a protective cover (3) is covered on the operation window (2.1). The leakage protection box has the advantages of convenience in installation and better dustproof and waterproof effects.

Description

Leakage protection box

Technical Field

The utility model relates to a leakage protection box, in particular to a mounting box body loaded with a leakage protector, and belongs to the technical field of electric appliances.

Background

The leakage protector is one of the necessary safety devices of the electrical equipment, and is used for tripping in time to cut off the circuit when the circuit is overloaded or short-circuited, so that the leakage protector plays a role in protecting the electrical equipment and operators, and the circuit power supply can be restored by manually pushing the brake after overload or short-circuit factors are eliminated. For this reason, the current operation panel of the electrical equipment must be provided with a leakage protector, and the conventional leakage protector is usually installed in a rail installation mode, so that the leakage protector needs to be additionally arranged in the equipment for installation; meanwhile, the dustproof and waterproof effects of the conventional leakage protector are general, and the application range of the conventional leakage protector is affected.

For this reason, an enterprise develops and declares chinese patent CN201120463471.8 "a plug and play type leakage protector", which installs the leakage protector in a box body and realizes quick installation by a plug manner. However, the problem of quick installation is solved only by the plug mode, and the problems of weak connection and poor matching are also solved by the plug mode, and particularly in industrial application occasions, a socket is not arranged on equipment for plug-in installation; meanwhile, the circuit part of the leakage protector is arranged in the box body, so that the box body is actually an outer shell of the leakage protector, and the problems of dust prevention and water prevention are still not solved.

Therefore, the electric leakage protection box for installing the electric leakage protector is developed by the enterprise, the conventional universal electric leakage protector can be installed in the box body, convenient installation is realized, and the electric leakage protection box has better dustproof and waterproof effects.

Disclosure of Invention

The utility model aims to overcome the defects and provide a leakage protection box which has the advantages of convenient installation and better dustproof and waterproof effects.

The purpose of the utility model is realized in the following way:

the utility model provides a leakage protection box, contains the shell body that comprises box body and upper cover, is provided with the mounting hole all around the outer wall bottom of the box body that constitutes the shell body, and peg graft on the lateral wall of box body has the plug, and the bottom is provided with the installation guide rail in the box body, and leakage protector installs on the installation guide rail, and leakage protector and plug are electric connection each other, and the top operation position of leakage protector passes the operation window of upper cover, and the operation window upper cover has the visor.

Preferably, a plurality of lower butt joint holes are formed in the butt joint surface of the box body and the upper cover, embedded nuts are embedded in the lower butt joint holes, an upper butt joint hole is formed in the position, corresponding to the lower butt joint holes, of the upper cover, after the connecting bolts are inserted into the upper butt joint holes, the connecting bolts are screwed into the embedded nuts to connect the box body and the upper cover, and plugs are embedded at the top opening ends of the upper butt joint holes.

Preferably, the closing surface of the box body and the upper cover is convexly provided with a pressing strip with an annular structure, the upper cover is correspondingly provided with a caulking groove for inserting the pressing strip, and a sealing strip is embedded in the caulking groove.

Preferably, the upper butt joint hole is a step hole, the aperture of the small-aperture section is matched with the diameter of the threaded section of the connecting bolt, and the aperture of the large-aperture section is matched with the diameter of the nut end of the connecting bolt.

Preferably, two connectors are provided, and the two connectors are inserted on two sides or the same side of the box body.

Preferably, one end of the protective cover is hinged on the top surface of the upper cover and then overturned and pressed on the operation window.

Preferably, one side of the protective cover is hinged on the top surface of the upper cover through a hinge part, the other side of the protective cover is provided with a clamping part, and the clamping part is vertically provided with a clamping hook which hooks the clamping piece on the top surface of the upper cover.

Preferably, a poking plate is transversely connected to the side wall of the clamping hook.

Preferably, a locking screw is screwed on the protective cover, and the locking screw penetrates through the clamping part and is screwed in the top surface of the upper cover.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model can conveniently install the conventional leakage protector in the box body, and realize electric connection with the electric equipment through the plug, the box body can be conveniently and rapidly installed on a panel of the equipment through the installation hole, and no track is required to be additionally arranged for installing the leakage protector, so that the installation is more convenient. Meanwhile, through the multi-layer sealing design, another resealing protection is arranged outside the original leakage protector, the sealing of the outer shell is realized through the box body and the upper cover, and the sealing of the operation window is enhanced through the design of the protective cover, so that the operation of the leakage protector is not influenced, the sealing effect under the working state is ensured, and the waterproof and dustproof effects are achieved.

Drawings

Fig. 1 is a schematic structural diagram of a leakage protection box according to the present utility model.

Fig. 2 is a top view of an earth leakage protection cartridge according to the present utility model.

Fig. 3 is a side view of an earth leakage protection cartridge of the present utility model.

Fig. 4 is an enlarged partial sectional view of fig. 3 of a leakage protection cartridge according to the present utility model.

Fig. 5 is a sectional view A-A of fig. 3 of a leakage protection cartridge according to the present utility model.

Fig. 6 is a schematic view of the leakage protection box according to the present utility model after the upper cover is removed.

Fig. 7 is a top view of fig. 6 of an earth leakage protection cartridge of the present utility model.

Wherein:

a leakage protector 101;

the box body 1, the upper cover 2, the protective cover 3, the plug 4, the mounting guide rail 5, the sealing ring 6, the locking screw 7, the embedded nut 8, the sealing strip 9, the connecting bolt 10 and the plug 11;

mounting holes 1.1, lower butt joint holes 1.2 and pressing strips 1.3;

2.1 of an operation window, 2.2 of a sealing groove, 2.3 of a clamping piece, 2.4 of an upper butt joint hole and 2.5 of a caulking groove;

a hinging part 3.1, a clamping part 3.2, a clamping hook 3.3 and a poking piece 3.4.

Detailed Description

Referring to fig. 1 to 7, the utility model relates to a leakage protection box, which comprises a box body 1 and an upper cover 2 mounted on the box body 1, wherein mounting holes 1.1 (shown as the mounting holes 1.1 are arranged on four corners) are formed around the bottom of the box body 1 and are used for mounting, a leakage protector 101 is mounted on a mounting guide rail 5 at the bottom of the box body 1, the top operation part of the leakage protector 101 passes through an operation window 2.1 of the upper cover 2 so as to be exposed by an operator for resetting and other operations, two plug connectors 4 are inserted on two sides or the same side of the box body 1, and cables (which can be waterproof connectors or other types of plug connectors) positioned in the box body 1 are connected with in-out wiring terminals of the leakage protector 101, so that electric connection is realized.

During installation, the leakage protection box can be conveniently installed on an operation panel of the electrical equipment through the installation hole 1.1, and then the electrical connection with the electrical equipment is realized through the plug 4. Compared with the conventional wiring terminal mode and the plug and socket direction mentioned in the background art, the waterproof and dustproof plug and socket connector is convenient to connect and has waterproof and dustproof effects.

Meanwhile, one end of the protective cover 3 is hinged on the top surface of the upper cover 2, and then overturned and pressed on the operation window 2.1 to realize the sealing of the operation window 2.1; specifically, the method comprises the following steps: one side of the protective cover 3 is hinged on the top surface of the upper cover 2 through a hinge part 3.1, the other side is provided with a clamping part 3.2, the clamping part 3.2 is vertically provided with a clamping hook 3.3, the clamping hook 3.3 hooks a clamping piece 2.3 on the top surface of the upper cover 2, and simultaneously, the side wall of the clamping hook 3.3 is transversely connected with a poking piece 3.4; when the protective cover 3 needs to be opened, the poking piece 3.4 can be conveniently poked, so that the clamping hook 3.3 is separated from the clamping piece 2.3, and the protective cover 3 can be conveniently turned over and opened at the moment; when the protective cover 3 is closed, only the protective cover 3 is required to be pressed downwards, and the clamping hook 3.3 can conveniently hook the clamping piece 2.3 to realize locking. Meanwhile, a locking screw 7 can be further installed, the locking screw 7 penetrates through the clamping part 3 and is arranged in the top surface of the upper cover 2 in a back-rotating mode, and therefore locking of the protective cover 3 is achieved, and the protective cover 3 is prevented from being opened by idle personnel for operation. Further, the upper cover 2 surrounds the operation window 2.1 and is provided with a sealing groove 2.2 with an annular structure, a sealing ring 6 is embedded in the sealing groove 2.2, and the periphery of the bottom surface of the protective cover 3 is downwards inserted into the sealing groove 2.2, so that the sealing effect is enhanced after the protective cover 3 is covered.

Referring to fig. 4, in order to improve the sealing performance between the box body 1 and the upper cover 2, an improved design is made on the joint between the box body 1 and the upper cover 2, a plurality of lower butt joint holes 1.2 (four in the drawing) are formed in the joint surface of the box body 1 and the upper cover 2, embedded nuts 8 are embedded in the lower butt joint holes 1.2, an upper butt joint hole 2.4 is formed in the corresponding position of the upper cover 2 and the lower butt joint hole 1.2, and after the connecting bolt 10 is inserted into the upper butt joint hole 2.4, the connecting bolt is screwed into the embedded nuts 8 to connect the box body 1 and the upper cover 2. The upper butt joint hole 2.4 is a step hole, the aperture of the small-aperture section is matched with the diameter of the threaded section of the connecting bolt 10, and the aperture of the large-aperture section is matched with the diameter of the nut end of the connecting bolt 10; and the top opening end of the upper butt joint hole 2.4 is embedded with a plug 11, thereby playing an attractive role and playing a dustproof and waterproof role. In order to further improve the sealing performance between the box body 1 and the upper cover 2, a pressing strip 1.3 with an annular structure is formed on the butt joint surface of the box body 1 and the upper cover 2 in a protruding mode, an embedding groove 2.5 for inserting the pressing strip 1.3 is correspondingly formed in the upper cover 2, and meanwhile, a sealing strip 9 is embedded in the embedding groove 2.5 to improve the sealing effect.

In addition: it should be noted that the above embodiment is only one of the optimization schemes of this patent, and any modification or improvement made by those skilled in the art according to the above concepts is within the scope of this patent.

Claims

1. The utility model provides a leakage protection box which characterized in that: the electric leakage protection device comprises an outer shell body composed of a box body (1) and an upper cover (2), wherein mounting holes (1.1) are formed in the periphery of the bottom of the outer wall of the box body (1) forming the outer shell body, a plug (4) is inserted into the side wall of the box body (1), a mounting guide rail (5) is arranged at the inner bottom of the box body (1), an electric leakage protector (101) is mounted on the mounting guide rail (5), the electric leakage protector (101) is electrically connected with the plug (4), an operation window (2.1) of the upper cover (2) is penetrated through the top operation part of the electric leakage protector (101), and a protective cover (3) is covered on the operation window (2.1).

2. A leakage protection cartridge according to claim 1, characterized in that: be provided with a plurality of lower butt joint holes (1.2) on the involution face of box body (1) and upper cover (2), embedded nut (8) have been put down in butt joint hole (1.2), upper cover (2) and butt joint hole (1.2) correspond department down and are provided with butt joint hole (2.4), in connecting bolt (10) insert butt joint hole (2.4) in back screw in embedded nut (8) realize being connected box body (1) and upper cover (2), and plug (11) have been put to the open top end of last butt joint hole (2.4).

3. A leakage protection cartridge according to claim 2, characterized in that: the folding surface of the box body (1) and the upper cover (2) is convexly provided with a pressing strip (1.3) with an annular structure, the upper cover (2) is correspondingly provided with a caulking groove (2.5) for inserting the pressing strip (1.3), and the caulking groove (2.5) is internally embedded with a sealing strip (9).

4. A leakage protection cartridge according to claim 2 or 3, characterized in that: the upper butt joint hole (2.4) is a step hole, the aperture of the small-aperture section is matched with the diameter of the threaded section of the connecting bolt (10), and the aperture of the large-aperture section is matched with the diameter of the nut end of the connecting bolt (10).

5. A leakage protection cartridge according to claim 1, characterized in that: the two plug connectors (4) are arranged, and the two plug connectors (4) are inserted at two sides or the same side of the box body (1).

6. A leakage protection cartridge according to claim 1, characterized in that: one end of the protective cover (3) is hinged on the top surface of the upper cover (2) and then overturned and pressed on the operation window (2.1).

7. The leakage protection cartridge of claim 6, wherein: one side of the protective cover (3) is hinged to the top surface of the upper cover (2) through a hinge part (3.1), the other side of the protective cover is provided with a clamping part (3.2), the clamping part (3.2) is vertically provided with a clamping hook (3.3), and the clamping hook (3.3) hooks a clamping piece (2.3) on the top surface of the upper cover (2).

8. The leakage protection cartridge of claim 7, wherein: the side wall of the clamping hook (3.3) is transversely connected with a poking piece (3.4).

9. The leakage protection cartridge of claim 7, wherein: the protective cover (3) is screwed with a locking screw (7), and the locking screw (7) passes through the clamping part (3.2) and is screwed in the top surface of the upper cover (2).