CN110931315A

CN110931315A - Movable shell structure for electromagnetic leakage protector

Info

Publication number: CN110931315A
Application number: CN201911217193.5A
Authority: CN
Inventors: 邹建华; 周术根; 余星进
Original assignee: Zhongshan Kaper Electrical Co Ltd
Current assignee: Zhongshan Kaper Electrical Co Ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-03-27

Abstract

The invention provides a movable shell structure for an electromagnetic leakage protector, which comprises a lower shell and an upper shell covered on the lower shell, wherein wire holders are arranged at two ends of the lower shell for connecting a load power line and an external power line respectively, and wire covers used for covering the wire holders are arranged at two ends of the lower shell. By adopting the structure, the wire holder can be used for connecting an external power line and a load power line, so that the electromagnetic leakage protector and the load electric appliance are separable, the electromagnetic leakage protector is suitable for a plurality of different load electric appliances, the utilization range of the electromagnetic leakage protector is expanded, the electromagnetic leakage protector is fully utilized, meanwhile, the mode that the load electric appliance is specially matched with the leakage protector can be abandoned, the production cost of the electric appliance is reduced, and the wiring cover can be used for protecting the wiring end cover, so that the use safety performance of the electric appliance is improved.

Description

Movable shell structure for electromagnetic leakage protector

[ technical field ] A method for producing a semiconductor device

The invention relates to a movable shell structure for an electromagnetic leakage protector.

[ background of the invention ]

The current market of the leakage protector is roughly divided into two types, the first type is an electronic leakage protector, and the working principle is as follows: the transistor amplifier is used as an intermediate mechanism, when electric leakage occurs, the electric leakage is amplified by the amplifier and then transmitted to the relay, and the relay controls the switch to cut off the power supply. The second type is an electromagnetic leakage protector, and the working principle is as follows: the electromagnetic tripping device is used as an intermediate mechanism, and when leakage current occurs, the mechanism is tripped to disconnect a power supply. The current electromagnetic leakage protector is generally configured on a load electrical appliance in a direct fixed mode, so that the production cost of the electrical appliance is increased, and the leakage protector can only be used on the load electrical appliance, so that the leakage protector cannot be fully utilized.

[ summary of the invention ]

The invention aims to provide a movable shell structure for an electromagnetic leakage protector, which can reduce the production cost of an electric appliance and enlarge the utilization range of the leakage protector.

The purpose of the invention is realized as follows:

the utility model provides a movable shell structure for electromagnetic type earth-leakage protector, includes that casing and lid are located last casing on the casing down, the both ends of casing all are equipped with the connection terminal in order to supply load power line switch-on and external power line respectively to connect down, the both ends of casing are equipped with and are used for the lid to close down the wiring lid of connection terminal.

By adopting the structure, the wire holder can be used for connecting an external power line and a load power line, so that the electromagnetic leakage protector and the load electric appliance are separable, the electromagnetic leakage protector is suitable for a plurality of different load electric appliances, the utilization range of the electromagnetic leakage protector is expanded, the electromagnetic leakage protector is fully utilized, meanwhile, the mode that the load electric appliance is specially matched with the leakage protector can be abandoned, the production cost of the electric appliance is reduced, and the wiring cover can be used for protecting the wiring end cover, so that the use safety performance of the electric appliance is improved.

According to the movable shell structure for the electromagnetic leakage protector, the waterproof rubber sleeve is arranged between the lower shell and the upper shell and between the lower shell and the wiring cover, the waterproof rubber sleeve comprises the annular body and the Jiong-shaped split bodies arranged on two lower sides of the annular body, the annular body seals the connecting position between the lower shell and the upper shell and the connecting position between the upper shell and the wiring cover, and the Jiong-shaped split bodies seal the connecting position between the lower shell and the wiring cover, so that the mounting position is completely sealed, and the waterproof performance of the leakage protector is improved, so that the safety of the leakage protector is further improved.

According to the movable shell structure for the electromagnetic leakage protector, the lower shell is provided with the first containing cavity and the second containing cavity respectively for containing the base of the leakage protection action mechanism and the mutual inductor so as to enable the overall structure of the movable shell structure to be compact, and the upper shell is provided with the reset hole and the test hole for enabling the reset key and the test key of the leakage protection action mechanism to protrude so as to facilitate resetting and testing.

The movable shell structure for the electromagnetic leakage protector is characterized in that the bottom of the wire holder is provided with a fastener for fastening the wiring ends of the load power line and the external power line, and the two ends of the upper shell are provided with a clamping sleeve and a clamping nut for clamping the load power line and the external power line, so that the load power line and the external power line are effectively protected.

As above a movable shell structure for electromagnetic type earth-leakage protector, the joint edge of casing, last casing and wiring lid all is equipped with sealed recess down, and is corresponding, the ring body with all be equipped with on the Jiong style of calligraphy components of a whole that can function independently with sealed recess sealing connection's sealed arch, the sealed protruding card of ring body upside goes into the sealed recess of the downside joint edge of casing, and the sealed protruding card of ring body downside goes into down in the sealed recess of the upside joint edge of casing and wiring lid, and the sealed protruding card of Jiong style of calligraphy components of a whole that can function independently left and right sides goes into respectively in the sealed recess between casing and the wiring lid down.

[ description of the drawings ]

The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings, in which:

FIG. 1 is an exploded view of the present invention;

fig. 2 is a schematic view of an assembly structure of the lower housing and the wire cover according to the present invention.

[ detailed description ] embodiments

The utility model provides a movable shell structure for electromagnetic type earth-leakage protector, includes that casing 100 and lid locate the last casing 300 on casing 100 down, and the both ends of casing 100 down all are equipped with wire holder 101 in order to supply load power line switch-on and external power line respectively to connect, and the both ends of casing 100 down are equipped with the wiring lid 400 that is used for the lid to close wire holder 101.

In order to provide the leakage protector with good waterproof performance, a waterproof rubber sleeve 800 is arranged between the lower shell 100 and the upper shell 300 and the wiring cover 400, and the waterproof rubber sleeve 800 comprises an annular body 801 and Jiong-shaped split bodies 802 arranged on two lower sides of the annular body 801. Preferably, the ring-shaped body 801 and the Jiong-shaped body 802 are integrally formed for easy installation.

The lower housing 100 is provided with a first receiving cavity 102 and a second receiving cavity 103 for receiving the base 1 and the transformer 2 of the earth leakage protection operating mechanism 200, so that the overall structure is compact, and the upper housing 300 is provided with a reset hole 301 and a test hole 302 for protruding the reset key 3 and the test key 4 of the earth leakage protection operating mechanism 200, so as to facilitate resetting and testing.

In order to effectively protect the load power line and the external power line, the bottom of the wire holder 101 is provided with a fastening member 104 for fastening the terminals of the load power line and the external power line, and both ends of the upper housing 300 are provided with a clamping sleeve 303 and a clamping nut 304 for clamping the load power line and the external power line.

The connecting edges of the lower shell 100, the upper shell 300 and the wiring cover 400 are all provided with a sealing groove 900, correspondingly, the annular bodies 801 and Jiong are all provided with a sealing bulge 803 which is in sealing connection with the sealing groove 900, when in connection, the sealing bulge 803 on the upper side of the annular body 801 is clamped into the sealing groove 900 on the lower side connecting edge of the upper shell 100, the sealing bulge 803 on the lower side of the annular body 801 is clamped into the sealing groove 900 on the upper side connecting edge of the lower shell 300 and the wiring cover 400, and the sealing bulges 803 on the left side and the right side of the Jiong-shaped split body 802 are respectively clamped into the sealing groove 900 between the lower shell 100 and the wiring cover 400.

When the earth leakage protection device is used, the wiring cover 400 is opened, the clamping nut 304 is unscrewed, then the terminals of an external power line and a load power line are respectively inserted into the clamping nut 304 and the clamping sleeve 303 at the corresponding end parts of the upper shell 300 and are connected with the wire holder 101, so that the external power line and the load power line are respectively communicated with the input end and the output end of the earth leakage protection action mechanism 200, after the wires are connected, the wiring cover 400 is covered on the lower shell 300 again, and the clamping nut 304 is screwed at the end part of the upper shell 300, so that the earth leakage protection device can be electrified for use. When the earth leakage protector needs to be applied to other loads for use, the wiring cover 400 needs to be opened and the clamping nut 304 needs to be unscrewed to disconnect the terminal connected with the wire holder 101, and then the earth leakage protector is moved to the load needing to be applied for rewiring, which is very convenient.

Claims

1. The utility model provides a movable shell structure for electromagnetic type earth-leakage protector, its characterized in that includes casing (100) and lid down locate last casing (300) on casing (100) down, the both ends of casing (100) all are equipped with wire holder (101) and connect with external power line in order to supply load power line switch-on respectively down, the both ends of casing (100) are equipped with and are used for the lid to close wire holder (101)'s wire connection lid (400) down.

2. The movable casing structure of the electromagnetic earth-leakage protector according to claim 1, wherein a waterproof rubber cover (800) is provided between the lower casing (100) and the upper casing (300) and between the lower casing and the wiring cover (400), and the waterproof rubber cover (800) comprises an annular body (801) and Jiong-shaped separate bodies (802) provided on both lower sides of the annular body (801).

3. The movable housing structure for an electromagnetic earth-leakage protector according to claim 1 or 2, wherein the lower housing (100) is provided with a first receiving cavity (102) and a second receiving cavity (103) respectively for receiving the base (1) and the transformer (2) of the earth-leakage protection operating mechanism (200), and the upper housing (300) is provided with a reset hole (301) and a test hole (302) for protruding the reset key (3) and the test key (4) of the earth-leakage protection operating mechanism (200).

4. A movable case structure for an electromagnetic earth-leakage protector according to claim 3, characterized in that the bottom of the wire holder (101) is provided with a fastening member (104) for fastening the terminals of the load power line and the external power line, and both ends of the upper case (300) are provided with a clamping sleeve (303) and a clamping nut (304) for clamping the load power line and the external power line.

5. The movable casing structure for an electromagnetic earth-leakage protector according to claim 1, wherein the connecting edges of the lower casing (100), the upper casing (300) and the wiring cover (400) are all provided with sealing grooves (900), and correspondingly, the annular body (801) and the Jiong-shaped body (802) are all provided with sealing protrusions (803) which are hermetically connected with the sealing grooves (900).