CN219477046U - Plug with stable connection - Google Patents

Abstract

The utility model relates to the technical field of plug connectors, in particular to a plug with stable connection, which comprises a shell, a first pin, a second pin and a third pin, wherein the first pin, the second pin and the third pin are arranged on the shell in a delta shape, the welding end of the first pin, the welding end of the second pin and the welding end of the third pin extend into the shell, the tail part of the shell is provided with an electric wire, the welding end of the electric wire extends into the shell, the welding end of the first pin, the welding end of the second pin and the welding end of the third pin are respectively penetrated with a jack, the electric wire is respectively provided with a ground wire, a fire wire and a null wire corresponding to the first pin, the second pin and the third pin, the welding end of the ground wire, the welding end of the fire wire and the welding end of the null wire are respectively sleeved with a metal sleeve, and the metal sleeve is inserted into the jacks. The utility model has novel structure, accurate installation, improved connection stability and reliability, difficult loosening, reliable structure and difficult aging and fracture of the welding end.

Description

Plug with stable connection

Technical Field

The utility model relates to the technical field of plug connectors, in particular to a plug with stable connection.

Background

The plug is particularly important in electric equipment, particularly a plug for power supply, various plugs such as a two-pin plug, a three-pin plug and the like appear in the industry for ensuring safe power connection, and standard plugs such as a winning bid plug, a south Africa plug, an European bid plug, a American bid plug, a Swiss bid plug and the like are adopted, the Swiss standard plug is implemented according to the SEV1011 manufacturing standard, the pins are three cylindrical pins, the cross section of the Swiss standard plug is in an isosceles triangle shape, the Swiss standard plug is changed from a middle European plug and an east European plug, the pins in the middle of the Swiss standard plug are grounded, and two pins on two sides are connected with a live wire and a zero wire respectively. The plug of the type is characterized in that the ground wire, the live wire and the zero wire are connected and conducted with the pins in a welding mode, and the plug is easy to age and break and affects the stability and reliability of connection and conduction under the condition of long-term use.

Disclosure of Invention

The utility model provides a plug with stable connection aiming at the problems of the prior art, which has novel structure, improves the connection stability of a ground wire, a fire wire and a zero wire with a first pin, a second pin and a third pin respectively, is provided with a metal sleeve in an inserting way, is accurate in installation, is welded on the first pin, the second pin and the third pin after being inserted, further improves the connection stability and reliability, is not easy to loosen, has reliable structure, and is not easy to age and break at a welding end.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a plug with stable connection, which comprises a shell, a first pin, a second pin and a third pin, wherein the first pin, the second pin and the third pin are arranged on the shell in a delta shape, the welding end of the first pin, the welding end of the second pin and the welding end of the third pin extend into the shell, the tail part of the shell is provided with an electric wire, the welding end of the electric wire extends into the shell, the welding end of the first pin, the welding end of the second pin and the welding end of the third pin are respectively penetrated with jacks, the electric wire is respectively provided with a ground wire, a fire wire and a zero wire corresponding to the first pin, the second pin and the third pin, the welding end of the ground wire, the welding end of the fire wire and the welding end of the zero wire are respectively sleeved with metal sleeves, and the metal sleeves are inserted into the jacks.

The metal sleeve of the ground wire, the metal sleeve of the live wire and the metal sleeve of the zero wire are welded with the welding end of the first pin, the welding end of the second pin and the welding end of the third pin respectively.

And the welding end of the first pin, the welding end of the second pin and the welding end of the third pin are respectively provided with a conduction clamping assembly for clamping the metal sleeve.

The conducting clamping assembly comprises a metal conducting block and a plurality of springs, wherein two ends of each spring are respectively connected to the bottom of the metal conducting block, the inner wall of the first pin, the inner wall of the second pin and the inner wall of the third pin.

Wherein, the afterbody outer wall of shell is provided with a plurality of antiskid recess.

And the inner plug is used for coating and fixing the welding end of the first pin, the welding end of the second pin, the welding end of the third pin, the welding end of the ground wire, the welding end of the live wire and the welding end of the zero wire.

The utility model has the beneficial effects that:

the utility model has novel structure and ingenious design, under the arrangement, the welding ends of the ground wire, the fire wire and the zero wire are sleeved with the metal sleeves, the metal sleeves of the ground wire, the fire wire and the zero wire are respectively inserted into the corresponding insertion holes of the first pin, the second pin and the third pin, and compared with the traditional ground wire, the fire wire and the zero wire which are directly welded on the pins, the utility model improves the connection stability of the ground wire, the fire wire and the zero wire with the first pin, the second pin and the third pin respectively, the metal sleeves are inserted and installed accurately, and are welded on the first pin, the second pin and the third pin after being inserted, thereby further improving the connection stability and reliability, being not easy to loosen, having reliable structure and being difficult to age and break at the welding ends.

Drawings

Fig. 1 is a schematic structural view of a plug with stable connection according to the present utility model.

Fig. 2 is an exploded view of a stable connection plug according to the present utility model.

Fig. 3 is a schematic structural view of a first pin, a second pin or a third pin according to the present utility model. The reference numerals in fig. 1 to 3 include:

1. a housing; 2. a first pin; 3. a second pin; 4. a third pin; 5. an electric wire; 6. a jack; 7. a metal sleeve; 8. a metal conducting block; 9. a spring; 10. an anti-slip groove; 11. an inner plug.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the utility model. The connection relationships shown in the drawings are for convenience of clarity of description only and are not limiting on the manner of connection.

It is noted that when one component is considered to be "connected" to another component, it may be directly connected to the other component, or intervening components may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. It should also be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless otherwise specifically defined and limited; either mechanically or electrically, or by communication between two components. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

It should be further noted that, in the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 3, the plug with stable connection comprises a shell 1, a first pin 2, a second pin 3 and a third pin 4, wherein the first pin 2, the second pin 3 and the third pin 4 are arranged on the shell 1 in a delta shape, the welding end of the first pin 2, the welding end of the second pin 3 and the welding end of the third pin 4 extend into the shell 1, an electric wire 5 is arranged at the tail part of the shell 1, the welding end of the electric wire 5 extends into the shell 1, insertion holes 6 are respectively formed in the welding end of the first pin 2, the welding end of the second pin 3 and the welding end of the third pin 4 in a penetrating manner, the electric wire 5 is respectively provided with a ground wire, a live wire and a null wire corresponding to the first pin 2, the second pin 3 and the third pin 4, the welding end of the ground wire, the welding end of the live wire and the welding end of the null wire are respectively sleeved with a metal sleeve 7, and the metal sleeve 7 is inserted into the insertion holes 6. Wherein, the metal sleeve 7 of the ground wire, the metal sleeve 7 of the live wire and the metal sleeve 7 of the neutral wire are respectively welded with the welding end of the first pin 2, the welding end of the second pin 3 and the welding end of the third pin 4. In particular, the utility model has novel structure and ingenious design, under the arrangement, the welding ends of the ground wire, the live wire and the neutral wire are sleeved with the metal sleeve 7, the metal sleeves 7 of the ground wire, the live wire and the neutral wire are respectively inserted into the corresponding insertion holes 6 of the first pin 2, the second pin 3 and the third pin 4, compared with the traditional ground wire, the live wire and the neutral wire which are directly welded on the pins, the embodiment improves the connection stability of the ground wire, the live wire and the neutral wire with the first pin 2, the second pin 3 and the third pin 4 respectively, the metal sleeve 7 is inserted and installed accurately, and is welded on the first pin 2, the second pin 3 and the third pin 4 after the insertion, so that the connection stability and the reliability are further improved, the looseness is not easy, the structure is reliable, and the welding ends are not easy to age and break.

In this embodiment, a conductive clamping assembly for clamping the metal sleeve 7 is respectively obtained in the welding end of the first pin 2, in the welding end of the second pin 3 and in the welding end of the third pin 4. The conduction clamping assembly comprises a metal conduction block 8 and a plurality of springs 9, wherein two ends of each spring 9 are respectively connected to the bottom of the metal conduction block 8, the inner wall of the first pin 2, the inner wall of the second pin 3 and the inner wall of the third pin 4. Specifically, after the metal sleeve 7 is inserted into the jack 6, under the action of the spring 9, the metal conducting block 8 is pushed to be tightly abutted against the metal sleeve 7, so that the connection stability of the first pin 2, the second pin 3 and the third pin 4 with the metal sleeve 7 is realized, namely, the connection stability of the first pin 2, the second pin 3 and the third pin 4 with the ground wire, the live wire and the zero wire is improved, and the connection is reliable and stable.

In this embodiment, the outer wall of the tail portion of the housing 1 is provided with a plurality of anti-slip grooves 10. Specifically, under the above-mentioned setting, anti-skidding recess 10 can play anti-skidding effect, and the user of being convenient for uses, and because under the setting of anti-skidding recess 10 for the outer wall of shell 1 and the area of contact increase of air improve the radiating effect.

In this embodiment, an inner plug 11 is injection molded in the housing 1, for fixing the welding end of the first pin 2, the welding end of the second pin 3, the welding end of the third pin 4, the welding end of the ground wire, the welding end of the live wire, and the welding end of the neutral wire. In particular, under the above arrangement, the stability and reliability of the connection between the first pin 2, the second pin 3, and the third pin 4 and the live, ground, and neutral wires, respectively, are further improved.

The present utility model is not limited to the preferred embodiments, but is intended to be limited to the following description, and any modifications, equivalent changes and variations in light of the above-described embodiments will be apparent to those skilled in the art without departing from the scope of the present utility model.

Claims (6)

1. A stable-connection plug, characterized in that: including shell, first pin, second pin and third pin are the setting of article style of calligraphy on the shell, the welding end of first pin, the welding end of second pin and the welding end of third pin stretch into in the shell, the afterbody of shell is provided with the electric wire, the welding end of electric wire stretches into in the shell, the welding end of first pin, the welding end of second pin and the welding end of third pin run through respectively and are provided with the jack, the electric wire is provided with ground wire, live wire and the zero line that correspond with first pin, second pin and third pin respectively, and the welding end of ground wire, the welding end of live wire and the welding end of zero line overlap respectively and are equipped with metal sleeve, metal sleeve inserts and locates in the jack.

2. A connection-stable plug according to claim 1, characterized in that: the metal sleeve of the ground wire, the metal sleeve of the live wire and the metal sleeve of the zero wire are welded with the welding end of the first pin, the welding end of the second pin and the welding end of the third pin respectively.

3. A connection-stable plug according to claim 1, characterized in that: and a conduction clamping assembly used for clamping the metal sleeve is respectively arranged in the welding end of the first pin, the welding end of the second pin and the welding end of the third pin.

4. A connection-stable plug according to claim 3, characterized in that: the conduction clamping assembly comprises a metal conduction block and a plurality of springs, wherein two ends of each spring are respectively connected to the bottom of the metal conduction block, the inner wall of the first pin, the inner wall of the second pin and the inner wall of the third pin.

5. A connection-stable plug according to claim 1, characterized in that: the outer wall of the tail part of the shell is provided with a plurality of anti-slip grooves.

6. A connection-stable plug according to claim 1, characterized in that: and an inner plug used for coating and fixing the welding end of the first pin, the welding end of the second pin, the welding end of the third pin, the welding end of the ground wire, the welding end of the live wire and the welding end of the zero wire is injection-molded in the shell.