CN219040797U

CN219040797U - Plug terminal assembly and plug with fastening assembly

Info

Publication number: CN219040797U
Application number: CN202320050398.4U
Authority: CN
Inventors: 王杰峰
Original assignee: Cixi Jianfeng Electrical Appliance Co ltd
Current assignee: Cixi Jianfeng Electrical Appliance Co ltd
Priority date: 2023-01-07
Filing date: 2023-01-07
Publication date: 2023-05-16
Anticipated expiration: 2033-01-07

Abstract

The utility model discloses a plug terminal assembly and a plug which are assembled and fastened, wherein the plug terminal assembly comprises a terminal body and a core insert, the terminal body is made of copper materials, one end of the terminal body is a thick end, the other end of the terminal body is a thin end, the thick end is in step transition with the thin end, a cavity is formed in the terminal body, and the core insert is arranged in the cavity; the plug includes socket and plug terminal subassembly, and plug terminal subassembly includes terminal body and lock pin, and the terminal body sets up on the socket. The utility model provides a plug terminal assembly and a plug which are assembled and fastened, which can reduce the usage amount of copper materials on the basis of ensuring the conductivity, and simultaneously has the characteristic of assembling and fastening components forming the plug terminal, thereby avoiding falling or separation.

Description

Plug terminal assembly and plug with fastening assembly

Technical Field

The utility model relates to the field of plugs, in particular to a plug terminal assembly and a plug which are fastened in an assembling manner.

Background

The power plug is a common electrical component in daily life of people, in the existing large and small electrical appliances or electrical equipment, plugs with applicable specifications are provided, and the power plugs are different in possible specifications, but are basically identical in structure and comprise a base body and plug terminals, the plug terminals are used for conducting current, and the base body is used for fixing the plug terminals. In the prior art, a plug terminal of the plug is formed by a solid copper strip body, the plug terminal comprises a contact part ll' and a rod body part, the contact part is used for being inserted into a conductive device to be contacted with a conductive body, the rod body part is used for being connected with a wire, in order to ensure the reliability of contact, the contact part is usually made larger, and because the plug terminal is integrally made of copper materials, more copper materials are needed, and the terminal is usually made of a car, the cost is too high in equipment investment, so that the cost of the plug is higher, and the competitiveness of the product is affected.

For this reason, the chinese patent publication No. CN100593885C discloses a plug terminal, which comprises a terminal body l and a copper sleeve 2, wherein the terminal body is a round rod made of iron material, one end of the rod is a thick end ll, the other end is a thin end 12, the thick end 11 is in step transition with the thin end 12, the copper sleeve 2 is a round sleeve body with a unidirectional opening made of copper material, and the thick end 11 of the terminal body is sleeved in the copper sleeve 2 and fixed with the copper sleeve 2. The plug terminal of the utility model improves the structure of the plug terminal in the prior art, and the round rod body made of the iron material is adopted as the terminal main body l, so that the material cost of the product can be reduced on the basis of ensuring the conductivity, because the copper material is more expensive than the iron material. Saving material cost and reducing production cost. However, since the copper bush 2 and the terminal body 1 are separated from each other, the copper bush 2 and the terminal body 1 are easily assembled with each other and are not firmly assembled, and the copper bush 2 and the terminal body 1 come off after the plug is used for a long time. In addition, the terminal body 1 using the iron material has a lower conductivity than the copper material, resulting in a decrease in conductivity.

Disclosure of Invention

The utility model aims to solve the technical problems of the prior art, and provides a plug terminal assembly and a plug which are assembled and fastened, so that the use amount of copper materials is reduced on the basis of ensuring the conductivity, and meanwhile, the plug terminal assembly has the characteristic of assembling and fastening components forming the plug terminal, and the falling off or separation is avoided.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a plug terminal subassembly of assembly fastening, includes terminal body and lock pin, and the terminal body adopts copper material to make, and the one end of terminal body is the thick end, and the other end of terminal body is the thin end, and thick end is step transition to thin end, its characterized in that: a cavity is formed in the terminal body, and the ferrule is arranged in the cavity.

As an improvement, the cavity extends from the thin end face to the inside of the thick end.

And the terminal body is of an integrated structure.

And the insert core is made of plastic, and is poured into the cavity of the terminal body.

And in addition, a blocking head is arranged at the opening of the thin end of the terminal body.

And the insert core is made of iron material, and the terminal body made of copper material is wrapped outside the insert core.

And the terminal body is of a split structure and comprises a first split body and a second split body which are symmetrically arranged, and the first split body and the second split body are formed by stamping.

And in addition, the insert core is made of iron materials, and sleeves used for hooping the first split body and the second split body outside the insert core are sleeved outside the first split body and the second split body.

And in addition, the inner side walls of the first split body and the second split body are respectively provided with a convex column, and the outer side wall of the inserting core is provided with a slot for inserting the convex column.

In addition, the utility model also provides a plug, which comprises a socket and a plug terminal assembly, and is characterized in that: the plug terminal assembly comprises a terminal body and a core insert, wherein the terminal body is arranged on the socket.

Compared with the prior art, the utility model has the advantages that: according to the utility model, the terminal body is designed into a hollow structure, the hollow cavity in the terminal body is filled by the insert core, the hollow cavity extends from the end face of the thin end to the interior of the thick end, the copper material on the terminal body extends to the whole length direction of the terminal body, the use amount of the copper material is reduced on the basis of ensuring the electric conduction capacity, and meanwhile, the insert core is arranged in the terminal body, so that the risk of falling of the existing copper sleeve is avoided, and the terminal has the characteristics of being fastened in assembly and avoiding falling or separation.

Drawings

Fig. 1 is a schematic view showing the external configuration of a plug terminal assembly to which fastening is fitted in embodiment 1 of the present utility model;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

fig. 3 is an exploded view of a plug terminal assembly to which fastening is fitted in embodiment 2 of the present utility model;

fig. 4 is a schematic structural view of a plug terminal assembly to which fastening is fitted in embodiment 2 of the present utility model.

Detailed Description

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

Example 1

As shown in fig. 1 to 2, the plug terminal assembly of the present embodiment comprises a terminal body 1 and a ferrule 2, wherein the terminal body 1 is made of copper material, one end of the terminal body 1 is a thick end 11, the other end of the terminal body 1 is a thin end 12, the thick end 11 is in step transition with the thin end 12, a cavity is formed in the terminal body 1, and the ferrule 2 is arranged in the cavity. Preferably, the cavity extends from the end face of the thin end 12 to the interior of the thick end 11.

In the embodiment of the present utility model, the terminal body 1 is of an integral structure. The lock pin 2 can be made of plastic or iron, when the lock pin 2 is made of plastic, the lock pin 2 is poured in the cavity of the terminal body 1, and the lock pin 2 made of plastic is poured in the cavity of the terminal body 1 in a high-temperature molten state, so that the lock pin 2 made of plastic and the terminal body 1 form an integral structure.

Alternatively, the ferrule 2 may be made of a ferrous material, and the terminal body 1 made of a copper material may be wrapped around the ferrule 2. The terminal body 1 of copper material is rolled outside the ferrule of ferrous material.

In addition, in order to further place the inner ferrule 2 to fall out, a blocking head 4 may be provided at the tip end opening of the terminal body 1.

In addition, the utility model also provides a plug, which comprises a socket and a plug terminal assembly, wherein the plug terminal assembly comprises a terminal body 1 and a ferrule 2, and the terminal body 1 is arranged on the socket.

According to the utility model, the terminal body 1 is designed into a hollow structure, the hollow cavity in the terminal body 1 is filled by the insert core 2, the hollow cavity extends from the end face of the thin end 12 to the interior of the thick end 11, the copper material on the terminal body 1 extends to the whole length direction of the terminal body 1, the use amount of the copper material is reduced on the basis of ensuring the electric conduction capacity, and meanwhile, the insert core 2 is arranged in the terminal body 1, so that the risk of falling of the existing copper sleeve is avoided, and the terminal has the characteristic of being fastened in assembly and avoiding falling or separation.

Example 2

As shown in fig. 3 and 4, the distinguishing technical features of embodiment 2 and embodiment 1 are that the terminal body 1 in the plug terminal assembly adopts a split structure, specifically, in the embodiment of the present utility model, the terminal body 1 includes a first split body 13 and a second split body 14 which are symmetrically arranged, and the first split body 13 and the second split body 14 are punched.

In the embodiment of the utility model, the ferrule 2 is made of iron material, and sleeves for tightening the first split body 13 and the second split body 14 outside the ferrule 2 are sleeved outside the first split body 13 and the second split body 14.

Meanwhile, further, in order to prevent the ferrule 2 from falling out, the tightness of the assembly between the terminal body 1 and the ferrule 2 is improved, the inner side walls of the first split body 13 and the second split body 14 are respectively formed with a convex column, and the outer side wall of the ferrule 2 is formed with a slot for the convex column to be inserted.

Claims

1. The utility model provides a plug terminal subassembly of assembly fastening, includes terminal body (1) and lock pin (2), and terminal body (1) adopt copper material to make, and the one end of terminal body (1) is thick end (11), and the other end of terminal body (1) is thin end (12), and thick end (11) are step transition to thin end (12), its characterized in that: a cavity is formed in the terminal body (1), and the ferrule (2) is arranged in the cavity.

2. The assembled and secured plug terminal assembly of claim 1, wherein: the cavity extends from the end face of the thin end (12) to the interior of the thick end (11).

3. The assembled and secured plug terminal assembly of claim 1, wherein: the terminal body (1) is of an integrated structure.

4. A plug terminal assembly of claim 3, wherein the plug terminal assembly is assembled and secured: the lock pin (2) is made of plastic, and the lock pin (2) is poured into the cavity of the terminal body (1).

5. The assembled secure plug terminal assembly of claim 4, wherein: a blocking head (4) is arranged at the opening of the thin end (12) of the terminal body (1).

6. A plug terminal assembly of claim 3, wherein the plug terminal assembly is assembled and secured: the lock pin (2) is made of iron material, and the terminal body (1) made of copper material is wrapped outside the lock pin (2).

7. The assembled and secured plug terminal assembly of claim 1, wherein: the terminal body (1) is of a split structure and comprises a first split body (13) and a second split body (14) which are symmetrically arranged, and the first split body (13) and the second split body (14) are formed by stamping.

8. The assembled secure plug terminal assembly of claim 7, wherein: the ferrule (2) is made of iron, and sleeves (3) used for hooping the first split (13) and the second split (14) outside the ferrule (2) are sleeved outside the first split (13) and the second split (14).

9. The assembled secure plug terminal assembly of claim 7, wherein: the inner side walls of the first split body (13) and the second split body (14) are respectively provided with a convex column, and the outer side wall of the inserting core (2) is provided with a slot for inserting the convex column.

10. A plug comprising the plug of any one of claims 1 to 9, including a receptacle and plug terminal assembly, characterized in that: the plug terminal assembly comprises a terminal body (1) and a ferrule (2), wherein the terminal body (1) is arranged on the socket.