CN219779211U

CN219779211U - Hole type terminal

Info

Publication number: CN219779211U
Application number: CN202321133158.7U
Authority: CN
Inventors: 成三荣; 金成成; 宋营; 韦思亮; 莫宏恩
Original assignee: Kunshan Zexuan Automotive Electrical Appliances Co ltd; Kunshan Huguang Auto Harness Co ltd
Current assignee: Kunshan Zexuan Automotive Electrical Appliances Co ltd; Kunshan Huguang Auto Harness Co ltd
Priority date: 2023-05-12
Filing date: 2023-05-12
Publication date: 2023-09-29
Anticipated expiration: 2033-05-12

Abstract

The utility model discloses a hole-type terminal in the technical field of terminals, and aims to solve the problem that air leakage exists in the prior art when the terminal is not tightly sealed. It comprises a terminal body; the terminal body is pressed by a pipe fitting to form a part of sealing structure; the pipe fitting comprises a blind plugging area, a crimping area and a flattening forming area; two ends of the blind plug area are respectively connected with the crimping area and the flattening forming area; the utility model is suitable for the new energy automobile connector, so that the assembled hole type terminal can be sealed and airtight.

Description

Hole type terminal

Technical Field

The utility model relates to a hole type terminal, and belongs to the technical field of wiring terminals.

Background

The hole terminal used in the existing new energy automobile connector has two basic structures: the through copper pipe adopts a stamping process to form a terminal and a terminal formed by cold heading of a semi-plugging blind pipe; using a punch-formed hole terminal through a copper tube, the punch-formed region is connected to the terminal crimping region, and there is a case of air leakage (see fig. 4); the terminal formed by cold heading the semi-plugging blind pipe is used, and because all cold heading areas are blind pipes, the cold heading tonnage needs to be larger, and the handle control of the corresponding size needs to be more accurate; and the manufacturing cost is relatively high.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides a hole type terminal which can solve the problem of air leakage of the existing terminal and reduce the manufacturing cost.

In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:

the utility model provides a hole terminal, which comprises a terminal body; the terminal body is pressed by a pipe fitting to form a part of sealing structure; the pipe fitting comprises a blind plugging area, a crimping area and a flattening forming area; and two ends of the blind plug area are respectively connected with the crimping area and the flattening forming area.

Further, the pipe fitting is in a tubular shape in the crimping area and the flattening forming area; the blind area is a solid pipe.

Further, the pipe fitting is a copper pipe fitting.

Further, the terminal body is formed by cold heading processing of the pipe fitting.

Further, a blanking hole is formed in the flattening forming area; the blanking hole is connected with an external device through a bolt.

Further, a crimping pipeline is reserved in the crimping area; the crimping pipeline is crimped and fastened with a conductor in the cable.

Compared with the prior art, the utility model has the beneficial effects that:

according to the hole terminal provided by the utility model, the terminal body is pressed by the pipe fitting to form the partial sealing structure, so that the problem of air leakage in the use process of the hole terminal is avoided, the structure of the pipe fitting comprises the blind plugging area, the crimping area and the flattening forming area, and the two ends of the blind plugging area are respectively connected with the crimping area and the flattening forming area, so that the formed terminal body completely avoids the air leakage, and in addition, compared with the terminal body manufactured by the solid pipe fitting, the consumed material cost is lower.

Drawings

Fig. 1 is a schematic structural view of a hole terminal according to the present utility model;

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

FIG. 3 is a schematic view of a pipe fitting;

fig. 4 is a schematic diagram of a conventional terminal structure.

In the figure: 1. a terminal body; 2. a pipe fitting; 3. a blind blocking area; 4. a crimping region; 5. flattening the molding area; 6. a blanking hole; 7. crimping the pipe.

Description of the embodiments

The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in 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 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", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

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 can be understood by those of ordinary skill in the art in a specific case.

Examples

Referring to fig. 1 to 4, the present embodiment provides a hole terminal including a terminal body 1. As shown in fig. 1, 2 and 3, the terminal body 1 is a partial sealing structure formed by pressing a pipe member 2. The pipe fitting 2 comprises a blind plugging area 3, a crimping area 4 and a flattening forming area 5. The blind plug area 3 is arranged between the hollow crimping area 4 and the hollow flattening forming area 5, so that a space airtight state is formed between the crimping area 4 and the flattening forming area 5. In the terminal body 1: the flattened forming area 5 and one half of the blind blocking area 3 after pressing form a linear surface section, and the other half of the blind blocking area 3 and part of the crimping area 4 form an arc surface section.

The terminal body 1 forms a part of sealing structure under the structural effect of the pipe fitting 2, so that the air leakage condition can be avoided in the use process. The hole terminal formed by the present tube 2. Compared with the terminal formed by cold heading of the existing semi-plugging blind pipe, the blind pipe is adopted in the cold heading area, so that the hole-type terminal is made of fewer materials and is lower in manufacturing cost; the pipe fitting 2 is simple in structure and easy to grasp in size, so that the machining efficiency is higher.

Optionally, the crimping area 4 and the flattening forming area 5 of the pipe fitting 2 are both tubular structures, and the blind plugging area 3 is a solid pipe structure.

Optionally, the material of the pipe fitting 2 is copper, and the copper pipe fitting 2 is used for pressing to form the terminal body 1.

Optionally, the process of pressing the pipe fitting 2 to form the terminal body 1 adopts cold heading processing and forming. When the cold heading forming process is used, the requirement on the cold heading tonnage is low.

The flattening forming area 5 of the hole type terminal formed by pressing is provided with a blanking hole 6. The blanking hole 6 is fixedly connected with an external device through bolts; the crimp zone 4 has a crimp conduit 7 left. When assembled, the crimping pipe 7 is crimped and fastened with the conductor in the cable.

Examples

In combination with the first embodiment, the present embodiment provides a method for manufacturing a hole terminal, including:

step 1: the pipe fitting 2 is processed and manufactured, wherein the middle part of the pipe fitting 2 is a blind plugging area 3, and two ends of the blind plugging area 3 are respectively provided with a hollow crimping area 4 and a flattening forming area 5.

Step 2: the pipe fitting 2 is put into an existing terminal mold and is compression-molded into the terminal body 1 by a cold heading process. In the pressing process, a half of the blind blocking area 3 and the flattening forming area 5 form a straight surface section, and a half of the blind blocking area 3 and a part of the crimping area 4 form a curved surface section.

Step 3: and processing a blanking hole 6 in a blanking area of the hole type terminal. The blanking hole 6 is positioned at the center of the straight line surface section.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.

Claims

1. A hole terminal, which is characterized by comprising a terminal body; the terminal body is pressed by a pipe fitting to form a part of sealing structure; the pipe fitting comprises a blind plugging area, a crimping area and a flattening forming area; and two ends of the blind plug area are respectively connected with the crimping area and the flattening forming area.

2. The female terminal of claim 1, wherein the crimp and crimp forming areas of the tube are tubular; the blind area is a solid pipe.

3. The female terminal of claim 1, wherein the tube is a copper tube.

4. The hole terminal of claim 1, wherein the terminal body is formed from the tube by cold heading.

5. The hole terminal of claim 1, wherein the flattened forming area is provided with a blanking hole; the blanking hole is connected with an external device through a bolt.

6. The female terminal of claim 1, wherein a crimp conduit is left in the crimp region; the crimping pipeline is crimped and fastened with a conductor in the cable.