CN220914610U - Three-pin solid plug inner frame - Google Patents

Abstract

The utility model relates to the technical field of plug connectors and discloses a three-pin solid plug inner frame which comprises a base and three pins fixed on the base, wherein the three pins are parallel and vertically penetrate through the base, and a wiring hole is formed in the upper end of each pin; one side of the base is a plane, a clamping groove communicated with the upper end face is formed in the plane, a connecting piece is arranged in the clamping groove in a clamping mode, the upper end of the connecting piece upwards penetrates out of the base, and at least one through hole is formed in the connecting piece. According to the utility model, through connection of the input wire rod and the pins, the input wire rod is only required to be inserted into the wiring holes, and the upper ends of the pins inserted with the input wire rod are extruded in an external pressure mode to deform the pins, so that the input wire rod is connected with the pins, other auxiliary connection materials are not required for connection, the connection process is simplified, the connection efficiency is improved, the cost is reduced, the environmental pollution and the waste of resources are reduced, and meanwhile, the potential safety hazard is reduced.

Description

Three-pin solid plug inner frame

Technical Field

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

Background

The plug is particularly important in electric equipment, particularly a plug for power supply, and various plugs, such as a two-pin plug, a three-pin plug and the like, are in industry for ensuring safe power connection, and standard plugs, such as a winning bid plug, a south Africa plug, an European standard plug, a American standard plug, a Swiss standard plug and the like, are in standard. 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 has injection molding type and assembling type. In general, the Swiss standard plug inner frame comprises a base and pins, one ends of the pins penetrate through the base and are exposed outside to be connected with a power socket, through holes are formed in the other ends of the pins to be connected with wires, and as the Swiss standard plug inner frame is provided with three pins, the assembled plug is provided with a connecting block at the upper end of the base of the bracket, threaded holes are formed in the connecting block, and the inner frame is fixed through bolts penetrating through a shell. The assembled plug is convenient to maintain, but need set up the through-hole on the participate in and be connected with the wire rod, when connecting, twine around the round behind passing the through-hole with the wire rod and participate in the welding together with wire rod and the welding of participating in, this kind of connected mode is wasted time and energy, needs to use flatiron and soldering tin moreover, and the cost is higher and can cause certain pollution to the environment, and the staff also has certain potential safety hazard when welding.

Disclosure of utility model

The utility model aims to provide a three-pin solid plug inner frame, which aims to solve the problems that the existing plug inner frame provided in the background technology is time-consuming and labor-consuming to install, high in cost and potential safety hazard exists.

The technical scheme adopted for solving the technical problems is as follows:

The three-pin solid plug inner frame comprises a base and three pins fixed on the base, wherein the three pins are parallel and vertically penetrate through the base, and a wiring hole is formed in the upper end of each pin; one side of the base is a plane, a clamping groove communicated with the upper end face is formed in the plane, a connecting piece is arranged in the clamping groove in a clamping mode, the upper end of the connecting piece upwards penetrates out of the base, and at least one through hole is formed in the connecting piece.

Preferably, the side of the base is provided with an inward concave continuous arc groove, and a sealing ring is arranged in the arc groove.

Preferably, the arc-shaped groove is located below the clamping groove.

Preferably, the connecting piece comprises a clamping part and a connecting part, wherein the clamping part is of a plate-shaped structure extending horizontally, the clamping part is completely accommodated in the clamping groove, and the lower end face of the connecting part is smaller than the lower end face of the clamping part.

Preferably, the connecting portion and the engaging portion are integrally formed.

Preferably, the connecting part is provided with two through holes.

Preferably, the wiring hole is concavely formed from an upper end surface of the pin.

Preferably, two of the through holes are located on both sides of the middle pin, and the through holes are located between the two pins on both sides.

Compared with the prior art, the utility model has the advantages that:

1. the pin provided by the utility model enables the input wire to be connected with the pin, only the input wire is required to be inserted into the wiring hole, and the upper end of the pin inserted with the input wire is extruded by an external pressure mode to deform the pin, so that the input wire is connected with the pin, other auxiliary connecting materials are not required for connection, the connection process is simplified, the connection efficiency is improved, the cost is reduced, the environmental pollution and the waste of resources are reduced, and meanwhile, the potential safety hazard is reduced.

2. The base and the outer shell are sealed through the arrangement of the sealing ring, so that the dustproof and waterproof effects are achieved.

3. Through the detachable connection of the connecting piece and the base, the connecting piece can be prevented from influencing the connection of the input wire and the pins.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the structure of an inner plug frame according to the present utility model;

Fig. 2 is a schematic side view of the plug inner frame according to the present utility model.

In the figure: 1. a base; 11. a clamping groove; 12. an arc-shaped groove; 2. pins; 21. a wiring hole; 3. a connecting piece; 31. a through hole; 32. a clamping part; 33. a connection part; 4. and (3) sealing rings.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown.

Example 1,

The three-pin solid plug inner frame, as shown in connection with fig. 1-2, comprises a base 1, three pins 2 fixed on the base 1, and a connecting piece 3 which is partially embedded in the base 1 and detachably connected with the base 1.

The base 1 horizontally extends and is of an isosceles triangle structure, the three pins 2 are vertically arranged and perpendicular to the base 1, the three pins 2 vertically penetrate through the base 1 and are integrally formed with the base 1, the three pins 2 are respectively close to three corners of the isosceles triangle structure, wiring holes 21 are formed in the upper end of each pin 2, and the wiring holes 21 are formed in a concave mode from the upper end faces of the pins 2.

The base side of isosceles triangle structure is the plane, and this plane inwards sunken forms the draw-in groove 11 that communicates up end, and the installation connecting piece 3 is gone into to the card in the draw-in groove 11, and the upper end of connecting piece 3 upwards wears out base 1, is equipped with at least one through-hole 31 on the connecting piece 3. In this embodiment, the upper opening of the clamping groove 11 is smaller than the bottom surface of the clamping groove 11, so that the connecting piece 3 is clamped into the clamping groove 11 from the side surface and cannot be separated from the upper opening of the clamping groove 11.

Specifically, the connecting piece 3 includes an integrally formed clamping portion 32 and a connecting portion 33, the clamping portion 32 is of a plate-shaped structure extending horizontally, and is fully accommodated in the clamping groove 11, and the lower end surface of the connecting portion 33 is smaller than the lower end surface of the clamping portion 32. Preferably, the connection portion 33 is provided with two through holes 31, the two through holes 31 are located at both sides of the middle pin 2, and the through holes 31 are located between the two pins 2 at both sides.

The side of the base 1 is provided with an inward concave continuous arc-shaped groove 12, and a sealing ring 4 is arranged in the arc-shaped groove 12. The arc groove 12 is located on the side surface of the base 1 and below the clamping groove 11.

The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

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 be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the 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 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 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.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; 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 above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (8)

1. The three-pin solid plug inner frame is characterized by comprising a base (1) and three pins (2) fixed on the base (1), wherein the three pins (2) are parallel and vertically penetrate through the base (1), and a wiring hole (21) is formed in the upper end of each pin (2); one side of base (1) is the plane, should offer draw-in groove (11) of intercommunication up end on the plane, install connecting piece (3) are gone into to the card in draw-in groove (11), the upper end of connecting piece (3) upwards wears out base (1), be equipped with at least one through-hole (31) on connecting piece (3).

2. The three-pin solid plug inner frame according to claim 1, wherein the side surface of the base (1) is provided with an inward concave continuous arc-shaped groove (12), and a sealing ring (4) is arranged in the arc-shaped groove (12).

3. A three-legged solid plug inner frame according to claim 2, characterized in that the arc-shaped groove (12) is located below the clamping groove (11).

4. The three-pin solid plug inner frame according to claim 1, wherein the connecting piece (3) comprises a clamping portion (32) and a connecting portion (33), the clamping portion (32) is of a plate-shaped structure extending horizontally, the clamping portion (32) is completely accommodated in the clamping groove (11), and the lower end face of the connecting portion (33) is smaller than the lower end face of the clamping portion (32).

5. The three-pin solid plug inner frame according to claim 4, wherein the connecting portion (33) is integrally formed with the clamping portion (32).

6. A three-pin solid plug inner frame according to claim 5, characterized in that the connecting part (33) is provided with two through holes (31).

7. A three-pin solid plug inner frame according to claim 4, wherein the wiring holes (21) are formed concavely from the upper end faces of the pins (2).

8. A three-pin solid plug inner frame according to claim 6, characterized in that two of the through holes (31) are located on both sides of the middle pin (2), and that the through holes (31) are located between the two pins (2) on both sides.