CN219350763U

CN219350763U - Three-pin plug

Info

Publication number: CN219350763U
Application number: CN202320617464.1U
Authority: CN
Inventors: 陈柏超
Original assignee: Guangdong Merrill Wire And Cable Co ltd
Current assignee: Guangdong Merrill Wire And Cable Co ltd
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-07-14
Anticipated expiration: 2033-03-23

Abstract

The utility model relates to the technical field of plug connectors, in particular to a three-pin plug which comprises a shell and three pins, wherein the three pins are arranged on the shell in a delta shape, welding ends of the three pins are fixed in the shell in a plastic-coated manner, wires are arranged at the tail part of the shell, extend into the shell and are connected with the welding ends of the three pins, an insulating protective sleeve is sleeved on the periphery of each pin, each insulating protective sleeve is detachably connected with the shell, and each insulating protective sleeve is connected with a connecting rope which is connected with the outer wall of the shell. The pin protection device can protect pins, avoids external pollution and corrosion, is reliable in structure, is convenient to open and sleeve, is simple and quick to use, prevents the insulating protective sleeve from being lost, can protect the pins at any time, and is novel in structure.

Description

Three-pin plug

Technical Field

The utility model relates to the technical field of plug connectors, in particular to a three-pin plug.

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.

When the plug is not used, the pins are exposed in the air, are subjected to external pollution for a long time and are easy to corrode, so that the pins are required to be protected; however, in the current plug structure, only the protection film or the protection sleeve is provided at the beginning of purchase, but after the plug is used, the protection film is basically thrown away directly, and the protection sleeve is easy to lose, so that a plug structure which is convenient to use and can protect the pins is needed.

Disclosure of Invention

The utility model provides a three-pin plug aiming at the problems in the prior art, which can protect pins, avoids external pollution and corrosion, has reliable structure, is further provided with connecting ropes between each insulating protective sleeve and the shell, has elastic restoring force and deformation capability, is convenient for opening and sleeving the insulating protective sleeve, is simple and quick to use, prevents the insulating protective sleeve from losing, can realize the protection of the pins at any time, and has novel structure.

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

the utility model provides a three-pin plug which comprises a shell and three pins, wherein the three pins are arranged on the shell in a delta shape, welding ends of the three pins are fixed in the shell in a plastic-coated manner, wires are arranged at the tail parts of the shell, extend into the shell and are connected with the welding ends of the three pins, an insulating protective sleeve is sleeved on the periphery of each pin, each insulating protective sleeve is detachably connected with the shell, a connecting rope is connected to each insulating protective sleeve, and the connecting ropes are connected to the outer wall of the shell.

The lower end of the insulation protective sleeve is provided with a horizontal abutting portion, one side of the bottom of the horizontal abutting portion is provided with an inserting strip, and the shell is provided with a jack which is matched with the inserting strip for insertion.

The horizontal abutting part is tightly abutted with the shell, and an annular waterproof rubber ring is further arranged at the bottom of the horizontal abutting part.

Wherein, the connecting rope is a spring connecting rope.

Wherein the connecting rope is a rubber connecting rope.

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

The utility model has the beneficial effects that:

according to the utility model, the outer circumferences of the three pins are sleeved with the insulating protective sleeves, when the pin is not used, the pin can be protected from external pollution and corrosion, the structure is reliable, the insulating protective sleeves are detachably connected with the shell, and a connecting rope is arranged between each insulating protective sleeve and the shell, wherein the spring connecting rope has elastic restoring force and deformation capability, so that the insulating protective sleeves are convenient to open and sleeve, the pin protecting device is simple and quick to use, the insulating protective sleeves are prevented from being lost, and the pin protecting device can realize pin protection at any time.

Drawings

Fig. 1 is a schematic structural view of a three-pin plug according to the present utility model.

FIG. 2 is a schematic view of the structure of the present utility model after concealing the insulating protective jacket and connecting ropes.

Fig. 3 is a schematic structural diagram of an insulation protection sleeve according to the present utility model.

The reference numerals in fig. 1 to 3 include:

1. a housing; 2. pins; 3. an electric wire; 4. an insulating protective sleeve; 5. a connecting rope; 6. a horizontal abutting portion; 7. cutting; 8. a jack; 9. annular waterproof rubber ring; 10. an anti-slip groove.

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.

Example 1

The utility model provides a three-pin plug, as shown in fig. 1 to 3, it includes shell 1 and three participate in 2, and three participate in 2 is the setting of article style of calligraphy on the shell 1, and the welding end package plastic of three participate in 2 is fixed in the shell 1, the afterbody of shell 1 is provided with electric wire 3, electric wire 3 stretches into in the shell 1 with the welding end connection of three participate in 2, every the periphery cover of participating in 2 is equipped with insulating lag 4, every insulating lag 4 with shell 1 is dismantled and is connected, every be connected with connecting rope 5 on the insulating lag 4, connecting rope 5 connect in the outer wall of shell 1, connecting rope 5 is spring coupling rope 5. Specifically, in this embodiment, be equipped with insulating lag 4 at the periphery cover of three pin 2, when not using, can protect pin 2, avoid external pollution and erosion, the structure is reliable, and is further, insulating lag 4 can dismantle with shell 1 and be connected, and be provided with connecting rope 5 between every insulating lag 4 and the shell 1, wherein, spring coupling rope 5 possesses elastic restoring force and deformability, make things convenient for opening and the cover of insulating lag 4 to establish, simple to use, swiftly, and prevent insulating lag 4 to lose, use at any time can realize protecting pin 2, novel structure.

In this embodiment, the lower end of the insulation protection sleeve 4 is provided with a horizontal abutting portion 6, one side of the bottom of the horizontal abutting portion 6 is provided with an inserting strip 7, and the housing 1 is provided with an inserting hole 8 matched with the inserting strip 7 for insertion. The horizontal abutting portion 6 is tightly abutted to the shell 1, and an annular waterproof rubber ring 9 is further arranged at the bottom of the horizontal abutting portion 6. Specifically, when the insulating protective sleeve 4 is sleeved on the periphery of the pin 2, the cutting 7 is inserted into the corresponding jack 8 to realize positioning, the horizontal abutting part 6 of the insulating protective sleeve 4 is tightly abutted with the shell 1, the annular waterproof rubber ring 9 has a waterproof effect, the cutting 7 is matched with the jack 8, and the insulating protective shell is convenient to calm and accurately and disassemble.

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 this setting, play the convenient effect, because the electric wire 3 reveal in with the junction of shell 1 in the protection recess, the convenient heat dissipation.

Preferably, the insulating protective sleeve 4 is transparent.

Example 2

This embodiment 2 differs from embodiment 1 in that: the connecting rope 5 is a rubber connecting rope 5. Specifically, the rubber connecting rope 5 has certain deformability, so that the insulating protective sleeve 4 can be conveniently sleeved and detached.

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

1. A three-pin plug, characterized in that: including shell and three participate in, three participate in the setting of article style of calligraphy be in on the shell, the welding end package plastic of three participate in is fixed in the shell, the afterbody of shell is provided with the electric wire, the electric wire stretches into in the shell with the welding end connection of three participate in, every the periphery cover of participating in is equipped with insulating lag, every insulating lag with the shell is dismantled and is connected, every be connected with the connecting rope on the insulating lag, the connecting rope connect in the outer wall of shell.

2. A three-pin plug according to claim 1, characterized in that: the lower extreme of insulating lag is provided with horizontal butt portion, bottom one side of horizontal butt portion is provided with the cutting, the shell be provided with the jack of cutting cooperation grafting.

3. A three-pin plug according to claim 2, characterized in that: the horizontal abutting part is tightly abutted with the shell, and an annular waterproof rubber ring is further arranged at the bottom of the horizontal abutting part.

4. A three-pin plug according to claim 1, characterized in that: the connecting rope is a spring connecting rope.

5. A three-pin plug according to claim 1, characterized in that: the connecting rope is a rubber connecting rope.

6. A three-pin 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.