CN220628283U - Plug for overload protection - Google Patents

Abstract

The utility model relates to a plug for overload protection in the field of plugs, which is characterized in that a zero line terminal is arranged on the side surface of a shell, a live line terminal and a short terminal are inserted into the shell, the insertion end of the short terminal is fixedly connected with the shell, the insertion end of the short terminal is provided with a conducting plate, the surface of the conducting plate is provided with a first contact, the insertion end of the live line terminal is connected with the shell through a second contact, the first contact is opposite to and contacted with the second contact, the side surface of the shell is provided with a first opening, the first opening is communicated with the interior of the shell, a push rod is arranged in the first opening and slides along the first opening, an elastic piece is arranged between the push rod and the shell, the side surface of the push rod is provided with a baffle, and the baffle moves between the first contact and the second contact. The plug for overload protection has reasonable structure, convenient operation, safe and reliable use, prolonged service life of the electrical appliance and improved electricity safety.

Description

Plug for overload protection

Technical Field

The utility model relates to the field of plugs, in particular to a plug for overload protection.

Background

With the continuous development of society, the quality of life of people is continuously improved, various household appliances appear, and the household appliances become indispensable articles.

The circuit of the house is shaped during decoration, the load of the house circuit is increased continuously by increasing household appliances, and the safety accidents such as overload or short circuit of the circuit are easy to occur along with the continuous increase of the service life of the appliances, the continuous ageing of the appliances and the circuit or improper use of the appliances; however, if the conventional overload protector is additionally installed on the plug of the electrical apparatus, the size of the plug of the electrical apparatus is too large and heavy, which is not beneficial to inserting the plug into the socket, and meanwhile, occupies a large space on the socket, and occupies a position where other plugs are inserted, so that improvement is needed.

Disclosure of Invention

The object of the present utility model is to solve the above drawbacks and to provide a plug for overload protection.

The object of the utility model is achieved by: a plug for overload protection, including casing, live wire terminal, zero line terminal and short terminal, the zero line terminal sets up in the side of casing, the inside of casing is all inserted to live wire terminal and short terminal, carry out fixed connection between the intubate end of short terminal and the casing, the intubate end of short terminal is equipped with the conducting strip, the surface of conducting strip is equipped with first contact, be connected through the second contact between intubate end of live wire terminal and the casing, first contact is relative and contact with the second contact, the side of casing is equipped with first opening, first opening switches on with the inside of casing, be equipped with the push rod in the first opening, the push rod slides along first opening, the push rod pierces into the inside of casing, be equipped with the elastic component between push rod and the casing, the side of push rod is equipped with the baffle, the baffle moves between first contact and the second contact.

In the above description, as a further scheme, the side surface of the push rod is attached to the inner wall of the housing, and the side surface of the push rod is provided with a groove for placing the elastic element.

In the above description, as a further proposal, the insertion end of the short terminal is connected with the shell through the connecting nail, and the connecting nail passes through the conductive sheet.

In the above description, as a further scheme, the surface of the zero line terminal is provided with a second opening, and the side surface of the shell is provided with a clamping block for matching with the second opening.

In the above description, as a further aspect, the conductive sheet is formed of a metal sheet.

In the above description, as a further scheme, the shell comprises a base shell and a cover plate, the side surface of the cover plate is provided with a positioning column, and the side surface of the base shell is provided with a clamping groove for installing the positioning column.

In the above description, as a further aspect, the elastic member is constituted by a spring.

The beneficial effects of the utility model are as follows: 1. according to the plug for overload protection, the zero line terminal is arranged on the side face of the shell, so that the insulativity between the live line terminal and the zero line terminal of the plug is guaranteed, meanwhile, the size of the plug is reduced, the plug is facilitated to be inserted into the socket, and convenience is improved; 2. the electric connector is characterized in that the electric connector is provided with a conducting strip, a first contact and a second contact, when the first contact is attached to the second contact, the live wire terminal is connected with the short terminal, a push rod and a partition plate are arranged, the first contact and the second contact are separated by the partition plate by pushing the push rod, the plug is in an open circuit state, the elastic piece is elastic, after the overload reason of the circuit is checked and eliminated, the push rod is pressed, the elastic piece is compressed, the elastic piece is reset, the live wire terminal is connected with the short terminal in a recovery mode, the overload protection of the circuit is realized, the probability of safety accidents is effectively reduced, and after the electric connector is processed, the electric connector is in a fault state, the electric connector can normally work by manually pressing and resetting.

3. This a plug for overload protection is rational in infrastructure, convenient operation, uses safe and reliable, has improved the life of electrical apparatus, has improved the electrical safety, can protect other electrical apparatus products in the twinkling of an eye when the circuit breaks down not destroyed, reduces the probability that takes place the incident, separates first contact and second contact with the baffle after the overload, handles electrical apparatus trouble after, and manual pressing resets can resume normal work, repeatedly usable many times.

Drawings

Fig. 1 is a schematic perspective view of a plug for overload protection according to the present utility model;

fig. 2 is an exploded view of the plug for overload protection of the present utility model;

FIG. 3 is a reference view of a spacer of the plug for overload protection of the present utility model above a first contact and a second contact;

fig. 4 is a schematic perspective view of three-pin plug for overload protection according to the present utility model;

in the figure: the circuit comprises a 1-base shell, a 2-cover plate, a 3-live wire terminal, a 4-neutral wire terminal, a 5-short terminal, a 6-conducting sheet, a 7-first contact, an 8-first opening, a 9-push rod, a 10-elastic piece, an 11-partition plate, a 12-groove, a 13-connecting nail, a 14-second opening, a 15-clamping block, a 16-positioning column, a 17-clamping groove, an 18-ground wire terminal and a 19-second contact.

Detailed Description

The utility model is described in further detail below with reference to the accompanying drawings.

The embodiments described by referring to the drawings are exemplary and intended for purposes of illustrating the present application and are not to be construed as limiting the present application. In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a number", "a plurality" or "a plurality" is two or more, unless explicitly defined otherwise. In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be. In this application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is less level than the second feature.

Referring to fig. 1-3, a plug for overload protection in the embodiment includes a housing, a live wire terminal 3, a neutral wire terminal 4 and a short terminal 5, wherein the neutral wire terminal 4 is disposed on a side surface of the housing, the live wire terminal 3 and the short terminal 5 are inserted into the housing, an insertion end of the short terminal 5 is fixedly connected with the housing, a conductive sheet 6 is disposed at the insertion end of the short terminal 5, a first contact 7 is disposed on a surface of the conductive sheet 6, the insertion end of the live wire terminal 3 is connected with the housing through a second contact 19, the first contact 7 is opposite to and contacts the second contact 19, a first opening 8 is disposed on a side surface of the housing, the first opening 8 is communicated with the housing, a push rod 9 is disposed in the first opening 8, the push rod 9 slides along the first opening 8, the push rod 9 penetrates into the housing, an elastic member 10 is disposed between the push rod 9 and the housing, a partition 11 is disposed on a side surface of the push rod 9, and the partition 11 moves between the first contact 7 and the second contact 19.

Specifically, the side of the push rod 9 is attached to the inner wall of the housing, and the side of the push rod 9 is provided with a groove 12 for placing the elastic member 10. The groove 12 stores the elastic member 10, saving the inner space of the housing and also reducing the volume of the housing.

In this embodiment, the insertion end of the short terminal 5 is connected to the housing by the connecting pin 13, and the connecting pin 13 penetrates through the conductive sheet 6, the connecting pin 13 fixes the short terminal 5 to the inner wall of the housing, and the connecting pin 13 also connects and fixes the conductive sheet 6 and the short terminal 5.

In this embodiment, the surface of the neutral terminal 4 is provided with a second opening 14, and the side surface of the housing is provided with a clamping block 15 for matching with the second opening 14, and when the plug is three-pin, please refer to fig. 4, the ground terminal 18 is clamped on the housing.

In the present embodiment, the conductive sheet 6 is constituted by a metal sheet.

In this embodiment, the housing includes a base housing 1 and a cover plate 2, a positioning column 16 is disposed on a side surface of the cover plate 2, a clamping groove 17 for installing the positioning column 16 is disposed on a side surface of the base housing 1, and the positioning column 16 is matched with the clamping groove 17, so that the components in the base housing 1 and the cover plate 2 can be disassembled and installed conveniently.

In this embodiment, the elastic member 10 is constituted by a spring.

The working principle of the embodiment of the utility model is as follows: when the first contact 7 and the second contact 19 are attached, the live wire terminal 3 and the short terminal 5 are conducted, the plug works normally, when the reasons for overload of a circuit are eliminated by checking, the partition board 11 separates the first contact 7 and the second contact 19 by pushing the push rod 9, the plug is in an open circuit state, after the reasons for overload of the circuit are eliminated by checking, the push rod 9 is pressed down, the spring is compressed, the spring rebounds instantly, the spring pushes the push rod 9, the push rod 9 drives the partition board 11 to reset, and conduction is restored between the live wire terminal 3 and the short terminal 5.

The foregoing is a further detailed description of the utility model in connection with specific further embodiments, and is not intended to limit the practice of the utility model to such descriptions. It should be understood by those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the present utility model, and the present utility model is not limited to the above-mentioned embodiments.

Claims (7)

1. The utility model provides a plug for overload protection, which comprises a housin, the live wire terminal, zero line terminal and short terminal, a serial communication port, the zero line terminal sets up in the side of casing, the inside of casing is all inserted to live wire terminal and short terminal, carry out fixed connection between the intubate end of short terminal and the casing, the intubate end of short terminal is equipped with the conducting strip, the surface of conducting strip is equipped with first contact, be connected through the second contact between intubate end of live wire terminal and the casing, first contact is relative and contact with the second contact, the side of casing is equipped with first opening, first opening switches on with the inside of casing, be equipped with the push rod in the first opening, the push rod slides along first opening, the push rod pierces into the inside of casing, be equipped with the elastic component between push rod and the casing, the side of push rod is equipped with the baffle, the baffle moves between first contact and the second contact.

2. The plug for overload protection according to claim 1, wherein the side surface of the push rod is attached to the inner wall of the housing, and the side surface of the push rod is provided with a groove for placing the elastic member.

3. A plug for overload protection according to claim 1 or claim 2, wherein the insertion end of the short terminal is connected to the housing by means of a connecting pin which passes through the conductive strip.

4. Plug for overload protection according to claim 1 or 2, characterized in that the surface of the neutral terminal is provided with a second opening and the side of the housing is provided with a clamping block for cooperation with the second opening.

5. Plug for overload protection according to claim 1 or 2, characterized in that the conductive sheet consists of sheet metal.

6. A plug for overload protection according to claim 1 or claim 2, wherein the housing comprises a base housing and a cover plate, the side of the cover plate being provided with a locating post, the side of the base housing being provided with a clamping groove for mounting the locating post.

7. Plug for overload protection according to claim 1 or 2, characterized in that the elastic element is constituted by a spring.