CN222015729U - Electrical connector - Google Patents
Electrical connector Download PDFInfo
- Publication number
- CN222015729U CN222015729U CN202420409159.8U CN202420409159U CN222015729U CN 222015729 U CN222015729 U CN 222015729U CN 202420409159 U CN202420409159 U CN 202420409159U CN 222015729 U CN222015729 U CN 222015729U
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- terminal
- base
- section
- butt joint
- abutting
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- 210000001503 joint Anatomy 0.000 claims abstract description 20
- 238000003466 welding Methods 0.000 claims abstract description 11
- 238000001746 injection moulding Methods 0.000 claims abstract description 7
- 238000005452 bending Methods 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 abstract description 4
- 238000003032 molecular docking Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 241000699670 Mus sp. Species 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005495 investment casting Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The utility model provides an electric connector, comprising an insulating base with a base and a plurality of terminals, wherein the base is formed by injection molding in a mold on the outer diameter of a fixing part of the plurality of terminals, a butt joint part and a welding part are respectively arranged at two sides of the base in an extending way, and at least one section of narrowing section with reduced sectional area is arranged on the fixing part in the base, so that the terminal has the function of reducing the impedance value of high-frequency characteristics by virtue of the narrowing section, the terminal can be provided with the suitability of adjusting the impedance value to form impedance matching, the application level of the electric connector can be further enlarged, the range of standard impedance values of various electronic products can be met, and the stability of signal transmission can be improved.
Description
Technical Field
The present utility model relates to an electrical connector, and more particularly, to an electrical connector having a base portion formed by injection molding in a mold on an outer diameter of a fixing portion of a terminal, wherein the fixing portion located in the base portion is provided with at least one narrowed portion having a reduced cross-sectional area, so that the terminal has a function of reducing an impedance value of a high frequency characteristic by the narrowed portion.
Background
The general electric connector is used in connection elements and accessories of electric signals and power sources, and has a main function of providing connection between various electronic devices or apparatuses and ensuring accurate transmission of signals, and various types of connectors are developed according to different products, power and use environments of the connector, and the connector is applied to computers, servers, computer peripheral devices (such as keyboards, mice, printers, etc.), peripheral devices of on-board hosts (such as automobile computers, satellite navigation, etc.), telecommunication and communication equipment, household appliances, etc., and the requirements of the transmission speed of the electric signals of the connector are correspondingly improved according to the development and evolution of the electronic products, so the high-frequency characteristics of the electric connector for transmitting the electric signals are particularly important.
Moreover, since the design of the present electronic products tends to be light, thin, short, and small, and in order to reduce the volume of various electronic products, the connector inside the electronic products needs to be more precise and miniaturized, so that the terminals and the circuits inside the electrical connector are more and more dense, and the influence of the high frequency effect is more and more increased, so that the problems of noise, transmission delay, signal attenuation, etc. are generated in the process of docking the electrical connector, and the application levels of various electronic products are different, and the requirements of the high frequency characteristics of the electrical connector are also different.
However, in order to provide signal connection between various electronic devices or apparatuses, the electrical connector is limited by a space mechanism, the structure of the terminal is relatively complex, and is not a uniform appearance structure, and the positions with functions of bending, guiding, abutting, clamping or contacting are all caused to generate a drop of impedance values in high-frequency characteristics, so that impedance mismatch is generated when the electrical connector is in butt joint, thereby influencing signal attenuation and not maintaining signal integrity.
Thus, how to solve the above problems and disadvantages is the key point for those who want to engage in the industry or those who are skilled in the art to study improvement.
Disclosure of utility model
Accordingly, in view of the above-mentioned problems and disadvantages, a primary object of the present utility model is to provide an electrical connector.
The utility model provides an electric connector, which is characterized by comprising an insulating base and a plurality of terminals, wherein:
The outer diameter of the fixing part of the plurality of terminals is provided with a base part of the insulating base body by injection molding in a mold, the fixing part is respectively provided with a butt joint part and a welding part in an outward extending way at two sides of the base part, and the fixing part of the plurality of terminals in the base part is provided with at least one section of narrowing section with reduced sectional area.
An elastic section is formed between the abutting portion and the fixing portion of the terminal.
A bending contact section is formed between the butt joint part end of the terminal and the elastic section.
A butt joint space communicated with the outside is formed in the insulating base body corresponding to the upper part of the base part, and a plurality of terminal grooves for the butt joint parts of the plurality of terminals to extend into are formed in the wall surfaces of the insulating base body at two sides of the butt joint space.
The terminal groove side of the insulating base body and the terminal end side of the abutting part positioned on the terminal are provided with abutting blocks, and the abutting part end position is provided with abutting sections capable of abutting against the abutting blocks.
The utility model provides an electric connector, wherein a fixed part in a base part is provided with at least one section of narrowing section with reduced sectional area, so that a terminal has the function of reducing the impedance value of high-frequency characteristics by means of the narrowing section, the terminal can be provided with the suitability of impedance matching, the application level of the electric connector can be further expanded, the electric connector accords with a range of standard impedance values of various electronic products, and the stability of signal transmission is improved.
Drawings
Fig. 1 is a perspective view of the present utility model.
Fig. 2 is an exploded perspective view of the present utility model.
Fig. 3 is another perspective exploded view of the present utility model.
Fig. 4 is a perspective view showing the terminal structure of the present utility model.
Fig. 5 is a side cross-sectional view of the present utility model.
Fig. 6 is a perspective view showing a terminal structure according to another embodiment of the present utility model.
Reference numerals illustrate: 1-an insulating base; 10-butting space; 11-base; 12-terminal grooves; 121-a holding block; a 2-terminal; 21-a fixing part; 211-narrowing section; 22-butt joint part; 221-an elastic section; 222-a holding section; 223-contact section; 23-weld.
Detailed Description
To achieve the above objects and advantages, in accordance with the purpose of the utility model, as well as its structure, method of implementation, etc., a preferred embodiment of the utility model will now be described with reference to the accompanying drawings, with the following features and functions, so as to facilitate a complete understanding.
Referring to fig. 1 to 5, which are respectively a perspective view, a perspective exploded view, another perspective exploded view, a perspective view of a terminal structure, and a side sectional view of the present utility model, it can be clearly seen that a preferred embodiment of the electrical connector of the present utility model includes an insulating base 1 and a plurality of terminals 2, and the connection relationship and structure of each component are as follows:
The insulating housing 1 has a base 11 inside, a docking space 10 communicating with the outside is formed above the base 11 in the insulating housing 1, a plurality of terminal slots 12 arranged at intervals are disposed on opposite inner side walls of the insulating housing 1 at two sides of the docking space 10, and a holding block 121 is disposed at one side of the terminal slots 12 and near an opening of the docking space 10, however, the overall configuration of the electrical connector further includes a member such as a shielding housing, and the insulating housing 1 and the shielding housing are not focused on the present utility model, so detailed descriptions are omitted herein.
The outer diameter of the fixing portion 21 of the plurality of terminals 2 is formed by injection molding a base portion 11 of the insulating base 1, the fixing portion 21 is outwardly provided with a butt joint portion 22 extending into the terminal groove 12 and a welding portion 23 extending out of the lower portion of the insulating base 1 at two sides of the base portion 11, the fixing portion 21 positioned in the base portion 11 is provided with at least one narrowed section 211 with a reduced cross section, an elastic section 221 positioned in the butt joint space 10 and extending obliquely towards the opposite inner side of the insulating base 1 is formed between the butt joint portion 22 and the fixing portion 21, a butt joint section 222 aligned and capable of being abutted against one side of the butt joint block 121 with elastic limit is formed at the end position of the butt joint portion 22, and a contact section 223 reversely bent is formed between the butt joint section 222 and the elastic section 221.
Referring to fig. 4 and 6, a perspective view of a terminal structure of the present utility model and a perspective view of a terminal structure of another embodiment of the present utility model are shown, respectively, and it can be clearly seen from the drawings that the preferred embodiment of the present utility model is different from the other embodiment in that the narrowing section 211 of the terminal 2 of the preferred embodiment is to thin-adjust the thickness of the terminal 2, and the narrowing section 211 of the terminal 2 of the other embodiment is to thin-adjust the thickness and width of the terminal 2, so that the narrowing section 211 of the terminal 2 is formed with a cross-sectional area smaller than the fixing portion 21, thereby the narrowing section 211 can provide the terminal 2 with the function of adjusting the impedance value of the high-frequency characteristic, and the thickness, width or shape of the narrowing section 211 can be changed according to the requirement of the customized product, and the present utility model is not limited by this.
In addition, in the preferred embodiment of the present utility model, the base 11 of the insulating base 1 is designed separately from the insulating base 1, the base 11 and the plurality of terminals 2 are fixed into a whole by injection molding in a mold, and then the base 11 is assembled in the insulating base 1 by means of fastening, tight fitting, etc., or the insulating base 1 and the base 11 may be designed into different types of electrical connectors by means of integral molding, so that the base 11 may be wrapped around the narrowed section 211 of the fixing portion 21 of the plurality of terminals 2.
In addition, in the preferred embodiment and another embodiment of the present utility model, the fixing portion 21, the abutting portion 22 and the welding portion 23 may be formed by using a metal material with a circular shape, a rectangular shape or other shapes through processing methods such as stamping, die casting, precision casting, etc., and then the terminal 2 may be put into a mold to perform an in-mold injection molding (insert molding) operation of the base 11, so that the narrowed section 211 of the fixing portion 21 is fixed by cladding the base 11, thereby avoiding the influence of the narrowed section 211 on the overall structural strength of the terminal 2, and preventing the occurrence of breakage caused by stress concentration generated from the reduced cross-sectional area of the narrowed section 211 of the terminal 2 during the abutting and plugging.
In addition, in the preferred embodiment of the present utility model, the welding portion 23 of the terminal 2 is in an upright shape and is welded on a preset plate or a preset device by a welding manner of through hole welding (Through Hole Technology) to form an electrical connection, and the welding portion 23 may also be bent to be in a horizontal shape to form an electrical connection by welding on a preset plate or a preset device by surface mount welding (Surface Mount Technology), and such simple modification and equivalent structural changes are included in the scope of the present utility model.
Therefore, the present utility model is mainly aimed at providing a narrowed section 211 with a reduced cross-sectional area in the base 11 of the insulating housing 1 for the fixing portion 21 of the terminal 2, so as to provide the terminal 2 with an adjustable impedance value, which is a main protection point.
Thus, the present utility model can have the following advantages when actually applied:
1. By designing the narrowing section 211 of the terminal 2 according to the present utility model to reduce the impedance value in the high frequency characteristic by reducing the cross-sectional area, the terminal 2 can be provided with an adjustable impedance value to form an impedance matching suitability, so as to conform to a range of standard impedance values of various electronic products, and further achieve the application level of the electrical connector.
2. By designing the narrowing section 211 of the terminal 2 according to the present utility model to reduce the impedance value in the high frequency characteristic by reducing the cross-sectional area, the terminal 2 can be provided with an adjustable impedance value to form an impedance matching suitability, so as to conform to a range of standard impedance values of various electronic products, thereby achieving the purposes of reducing noise, transmission delay, signal attenuation, etc., and relatively improving the stability of signal transmission.
3. The contact front end of the terminal of the conventional electrical connector is usually configured to be thinned or increased in thickness to meet the impedance requirement of high-frequency characteristics, however, the narrowing section 211 of the terminal 2 of the present utility model may be designed to be thinned or increased in thickness to further expand the adjustable range of impedance of the terminal 2.
In summary, the electrical connector of the present utility model has significant efficacy enhancement in application.
Claims (5)
1. An electric connector is characterized by comprising an insulating base and a plurality of terminals, wherein:
The outer diameter of the fixing part of the plurality of terminals is provided with a base part of the insulating base body by injection molding in a mold, the fixing part is respectively provided with a butt joint part and a welding part in an outward extending way at two sides of the base part, and the fixing part of the plurality of terminals in the base part is provided with at least one section of narrowing section with reduced sectional area.
2. The electrical connector of claim 1, wherein: an elastic section is formed between the abutting portion and the fixing portion of the terminal.
3. The electrical connector of claim 2, wherein: a bending contact section is formed between the butt joint part end of the terminal and the elastic section.
4. The electrical connector of claim 1, wherein: a butt joint space communicated with the outside is formed in the insulating base body corresponding to the upper part of the base part, and a plurality of terminal grooves for the butt joint parts of the plurality of terminals to extend into are formed in the wall surfaces of the insulating base body at two sides of the butt joint space.
5. The electrical connector of claim 4, wherein: the terminal groove side of the insulating base body and the terminal end side of the abutting part positioned on the terminal are provided with abutting blocks, and the abutting part end position is provided with abutting sections capable of abutting against the abutting blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420409159.8U CN222015729U (en) | 2024-03-04 | 2024-03-04 | Electrical connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420409159.8U CN222015729U (en) | 2024-03-04 | 2024-03-04 | Electrical connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222015729U true CN222015729U (en) | 2024-11-15 |
Family
ID=93427374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420409159.8U Active CN222015729U (en) | 2024-03-04 | 2024-03-04 | Electrical connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222015729U (en) |
-
2024
- 2024-03-04 CN CN202420409159.8U patent/CN222015729U/en active Active
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| GR01 | Patent grant | ||
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