CN213151031U

CN213151031U - Wiring terminal capable of transmitting large current and connector thereof

Info

Publication number: CN213151031U
Application number: CN202022002641.4U
Authority: CN
Inventors: 叶权德
Original assignee: Taiwan Branch Hong Kong Commercial Amphenol East Asia Co ltd
Current assignee: Taiwan Branch Hong Kong Commercial Amphenol East Asia Co ltd; Amphenol East Asia Ltd Taiwan
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-05-07
Anticipated expiration: 2030-09-14

Abstract

The utility model discloses a can transmit binding post and connector of heavy current, wherein, this binding post can assemble to an insulator in, in order to form this connector, and this binding post can also be fixed mutually with a transmission line, this binding post is by going to the back including a butt joint portion, a connecting portion and a crimping portion, and this crimping portion can oppress and grasp a core wire in this transmission line, make this transmission line and binding post form electric connection, this connecting portion then enables this butt joint portion and this crimping portion formation electric connection, this butt joint portion, crimping portion and the regional section thickness of transmitting electricity of connecting portion are greater than 0.2 millimeter, so, this connector or binding post compare in current product, be enough to load bigger electric current.

Description

Wiring terminal capable of transmitting large current and connector thereof

Technical Field

The utility model relates to a binding post especially relates to a binding post's thick board is greater than 0.2 millimeter to can transmit the binding post of heavy current.

Background

With the progress of communication technology and electronic technology, electronic devices with various functions, such as: portable power devices for mobile phones to supply power continuously, mobile phones capable of allowing people to communicate at both ends of the world, walkmans capable of satisfying people to listen to music anytime and anywhere, and Personal computers (Personal computers) … capable of assisting people to process various things have become indispensable tools in modern people's life and work.

In addition, in order to receive electronic signals and power from the outside, various electronic devices (such as smart phones, tablet computers, desktop computers, notebook computers, digital cameras …, etc.) usually have to configure a Connector on the body of each electronic device, generally speaking, the Connector (Connector) refers to all the connecting elements and accessories thereof applied to electronic signals and power, and is a bridge for all signals, the quality of the Connector affects the reliability of current and signal transmission, and is also closely related to the operation of the electronic device, and a plurality of electronic devices can be connected into a complete system through the function of the Connector, so as to transmit electronic signals or power to each other, and thus, the Connector is an indispensable element for realizing a predetermined function.

Now, referring to the connector assembly for transmitting power, as shown in fig. 1, the connector assembly includes a connector plug a1 and a connector socket A3, wherein the connector plug a1 includes a plug body a11 and a plurality of plug terminals a2, one end of the plug body a11 is protruded with a plurality of cylinders a12, in which a terminal groove a15 is respectively penetrated, each plug terminal a2 can be electrically connected with a transmission line (shown in the figure) and can be respectively received in the corresponding terminal groove a 15. In addition, the connector socket A3 includes a socket body a31 and a plurality of socket terminals a4, the socket body a31 is provided with a plurality of cavities a33, and each socket terminal a4 can extend into a corresponding cavity a 33. When the connector plug a1 and the connector socket A3 are plugged, the cylinders a12 respectively extend into the corresponding cavities a33, and the plug terminals a2 can be electrically connected to the corresponding socket terminals a4 so as to transmit power to each other.

In practical use, taking the connector plug a1 shown in fig. 1 as an example, the diameter of the rear part (e.g., the lower right position in fig. 1) of each terminal slot a15 is about 3.9 mm multiplied by 3.9 mm, so that the maximum current that can be loaded by the connector plug a1 of this specification is about 9.5 amperes, however, when the current demand of the electronic device increases, the overall volume of the connector plug a1 needs to be correspondingly increased to load a higher current as the transmission power increases. However, the design concept of the conventional electronic device generally mainly includes being light, thin, short, and small, and therefore, when the size of the connector is increased, the space configuration inside the electronic device is negatively affected, and the design difficulty is increased. Therefore, it is an important subject of the present invention to develop a connector product capable of carrying a larger current without increasing the original volume of the connector.

SUMMERY OF THE UTILITY MODEL

Because the overall structure of current connector still has the disappearance on using, consequently, the applicant is after permanent diligent research and experiment, develops eventually the utility model discloses a can transmit binding post and connector of heavy current, hope to pass through the utility model discloses an emerge, under the condition that does not increase the original volume of connector, binding post in it is enough to load more heavy current.

An object of the utility model is to provide a can transmit binding post of heavy current, this binding post can be fixed mutually with a transmission line, it is by including a butt joint portion after going to, a connecting portion and a crimping portion, wherein, this crimping portion can oppress and grasp a core wire in this transmission line, make this transmission line and this binding post form electrical connection, this connecting portion are located between this butt joint portion and this crimping portion, and make this butt joint portion and this crimping portion form electrical connection, this butt joint portion, the section thickness in this crimping portion and the transmission of electricity region of this connecting portion is greater than 0.2 millimeter, so, this binding post compares in current product, under the condition of same length, can load more heavy current.

Another object of the present invention is to provide a connector, which includes an insulating body and a connecting terminal, wherein the connecting terminal has the structure of the aforementioned object, and can be assembled into the insulating body, so that the whole volume of the connector is the same as that of the existing connector, and the current transmitted and received by the existing connector will be larger than that of the existing connector.

For further understanding and appreciation of the objects, technical features, and effects of the invention, reference will now be made to the embodiments illustrated in the drawings and described in detail below.

Drawings

FIG. 1 is an exploded schematic view of a prior art connector assembly;

fig. 2 is an exploded schematic view of a connector according to an embodiment of the present invention;

fig. 3 is a schematic view of a connector according to an embodiment of the present invention;

fig. 4 is a rear schematic view of a connector according to an embodiment of the present invention;

fig. 5 is a schematic view of a terminal according to an embodiment of the present invention;

fig. 6 is a schematic rear view of a terminal according to an embodiment of the present invention;

[ description of reference numerals ]

A1 connector plug

A11 plug body

A12 cylinder

A15 terminal groove

A2 plug terminal

A3 connector socket

A31 socket body

A33 Chamber

A4 socket terminal

1: connector

11 insulating body

110 interface

111: cylinder body

112, assembling port

12: connecting terminal

121 butt joint part

122 contact unit

123 crimping part

124, an embedding part

125 connecting part

127 fixed part

13 transmission line

131 part of core wire

132 insulating layer

L1 and L2 are side lengths.

Detailed Description

The utility model discloses a binding post and connector that can transmit heavy current, as shown in fig. 2 and fig. 3, in an embodiment, this connector 1 includes an insulator 11 and at least one binding post 12, for the relative relation between each component of convenience explanation, regards the upper left side of fig. 2 as the place ahead position of component, regards the lower right side of fig. 2 as the rear position of component. Furthermore, the form of the insulator 11 and the connecting terminal 12 of the present invention is not limited to the drawing in fig. 2, and those skilled in the art can adjust the style of each component according to the product requirement, so that the connector 1 and the connecting terminal 12 are protected as long as they have the related structure and effect mentioned in the following embodiments.

As shown in fig. 2 and 3, in the embodiment, a plurality of spaced cylinders 111 are convexly disposed at a front side of the insulating body 11, and a socket 110 is disposed at a front side of each of the cylinders 111, a plurality of assembling ports 112 are disposed at a rear side of the insulating body 11, the number of the assembling ports 112 corresponds to the number of the sockets 110, and each assembling port 112 is communicated with the corresponding socket 110, wherein a diameter of the assembling port 112 (i.e., a length of a side L1 multiplied by a length of a side L2 shown in fig. 4) is 3.7 to 4.1 millimeters (mm) multiplied by 3.7 to 4.1 mm (mm), and the diameters of the sockets 110 may be the same or different from the diameters of the assembling ports 112, depending on actual requirements of the product. In addition, in other embodiments of the present invention, the insulation body 11 can be provided with only a single cylinder 111, and the outer diameter of the cylinder 111 can be the same as the outer diameter of the insulation body 11, so that the socket 110 is disposed on the front side of the insulation body 11, and with the above structure, only a single assembly opening 112 is disposed on the rear side of the insulation body 11.

In addition, as shown in fig. 2, each of the terminals 12 can be inserted into the insulating body 11 through the corresponding assembling opening 112, in this embodiment, the terminal 12 can be fixed to a transmission line 13 to receive the current from the transmission line 13 or transmit the current to the transmission line 13. As shown in fig. 5, in the embodiment, the wire terminal 12 includes a mating portion 121, a press-connecting portion 123, a connecting portion 125 and a fixing portion 127, wherein the mating portion 121 is located at a front end of the wire terminal 12, and the mating portion 121 is located adjacent to the plug port 110 after extending into the insulating body 11 through the assembling port 112. When the connector 1 is plugged with another connector, the mating portion 121 can be electrically connected with a metal terminal in the other connector to transmit current to each other. In addition, in order to improve the connection stability between the abutting portion 121 and the metal terminal, in this embodiment, the abutting portion 121 has a cross-sectional shape of a hollow frame (as shown in fig. 6), and at least one contact unit 122 is protruded from an inner wall thereof, when the metal terminal in another connector extends into the abutting portion 121, the contact unit 122 and the opposite inner wall (or another contact unit 122) thereof can form a pressing and clamping force path for the metal terminal, so that the metal terminal can be stably held in the abutting portion 121.

As shown in fig. 5, the press-connecting part 123 is located at a position adjacent to the rear end of the terminal 12, and can press and clamp a core 131 in the transmission line 13, so that the transmission line 13 and the terminal 12 are electrically connected. In the embodiment, as shown in fig. 2, the transmission line 13 includes a core 131 and an insulating layer 132, and the insulating layer 132 covers the core 131, wherein the transmission line has a size of 14AWG to 16AWG (american Wire gauge), but has a Wire diameter not exceeding the diameter of the assembly port 112 and is sufficient to transmit a current exceeding 9.5 amperes. In the process of assembling the terminal 12 and the transmission line 13, the insulating layer 132 of the transmission line 13 is first stripped to expose the core wire 131, and then the core wire 131 is placed in the crimping part 123, and the crimping part 123 is bent to press and hold the core wire 131, so that the current can be transmitted to the crimping part 123 through the core wire 131, or transmitted to the core wire 131 through the crimping part 123.

Furthermore, as shown in fig. 5, the connecting portion 125 is located between the abutting portion 121 and the pressing portion 123, and the abutting portion 121 and the pressing portion 123 are electrically connected, so that the current can be transmitted to the abutting portion 121 through the pressing portion 123 or transmitted to the pressing portion 123 through the abutting portion 121. In this embodiment, in order to avoid the situation that the connection terminal 12 is separated from the insulating body 11 when the connector 1 is used for a long time and is plugged and unplugged for many times, at least one inserting portion 124 is protruded outward from the outer wall of the connecting portion 125, and when the connection terminal 12 is inserted into the insulating body 11, each inserting portion 124 can abut against the inner wall of the insulating body 11, so as to enhance the stability of the connection terminal 12 inserted into the insulating body 11. In addition, in other embodiments of the present invention, the inner wall of the insulating housing 11 can be added with a corresponding embedding structure, and the embedding structure can be matched with the embedding portion 124, so as to improve the assembling strength between the connecting terminal 12 and the insulating housing 11.

In the embodiment, as shown in fig. 2 and 5, the fixing portion 127 is located at the rear of the press-connecting portion 123, when the transmission line 13 is inserted into the connection terminal 12, the fixing portion 127 can be bent to press and hold the insulating layer 132 outside the transmission line 13, so that the transmission line 13 can be stably fixed to the connection terminal 12 without loosening or separating after long-term use and multiple plugging. In other embodiments of the present invention, the fixing portion 127 of the connecting terminal 12 can be omitted, and the transmission line 13 can be fixed only by the press-connecting portion 123. Furthermore, although the crimping part 123 and the fixing part 127 are drawn in different shapes in fig. 5, in other embodiments of the present invention, the crimping part 123 and the fixing part 127 can be integrated as a whole as long as they are the core wires 131 that clamp the transmission line 13, that is, the crimping part 123 of the present invention; the fixing portion 127 is referred to as the fixing portion as long as it is the insulating layer 132 that holds the transmission line 13.

In order to make the terminal 12 suitable for the specification of the insulating body 11 (i.e. the diameter of the assembling opening 112 is 3.7-4.1 mm multiplied by 3.7-4.1 mm), it is sufficient to load the current exceeding 9.5 amperes, as shown in fig. 5 and 6, the cross-sectional thickness of the power transmission region of the butting portion 121, the crimping portion 123 and the connecting portion 125 is greater than 0.2 mm, wherein, in a preferred practical example, the cross-sectional thickness of the power transmission region of the butting portion 121, the crimping portion 123 and the connecting portion 125 is the same; in another preferred practical example, the cross-sectional thickness of the power transmission region of the butting part 121, the crimping part 123 and the connecting part 125 is between 0.2 mm and 0.25 mm; in a further preferred embodiment, the cross-sectional thickness of the power transmission region of the butting portion 121, the pressure-bonding portion 123 and the connecting portion 125 exceeds 0.25 mm. Thus, through the utility model discloses an overall structure, under the condition that need not increase the whole volume of connector 1 (as shown in fig. 3), the utility model discloses a binding post 12 can transmit more heavy current than known plug binding post, and can not cause connector 1 or self to damage. After practical tests by the applicant, when the number of the connection terminals 12 used in the connector 1 is twenty-four, each connection terminal 12 is sufficient to transmit 10 amperes of current; when the number of the terminals 12 used in the connector 1 is two, each of the terminals 12 is sufficient to transmit 20 amperes of current; that is, with the structure of the terminal 12 of the present invention, the maximum current that can be transmitted is between 10 amperes and 20 amperes.

It is particularly mentioned here that the aforementioned power transmission area can be any position of the butting portion 121, the pressing portion 123 and the connecting portion 125, or other positions excluding the edges of the butting portion 121, the pressing portion 123 and the connecting portion 125 (as shown in the dashed circle in fig. 6). In a preferred embodiment, the cross-sectional thickness of any one of the abutting portion 121, the press-bonding portion 123 and the connecting portion 125 can be greater than 0.2 mm, however, in practical production, the edge of the abutting portion 121, the press-bonding portion 123 and the connecting portion 125 (e.g., the dashed circle in fig. 6) tends to be thinned due to the forming method (e.g., press cutting) during the forming process of the terminal 12, but this case is due to the tolerance problem during production.

The above description is only a preferred embodiment of the present invention, and in addition, the protection scope of the present invention is not limited thereto, and those skilled in the art should be protected by the present invention since the technical content disclosed by the present invention can be easily changed by equivalent changes.

Claims

1. A connecting terminal capable of transmitting large current is characterized in that the connecting terminal can be fixed with a transmission line, the connecting terminal comprises a butting part, a connecting part and a crimping part from front to back, wherein the crimping part can press and clamp a core wire in the transmission line, so that the transmission line is electrically connected with the connecting terminal, the connecting part is positioned between the butting part and the crimping part, the butting part is electrically connected with the crimping part, and the thickness of the cross section of the butting part, the crimping part and a power transmission area of the connecting part is larger than 0.2 mm.

2. A terminal according to claim 1, wherein the inner wall of the mating portion is provided with at least one contact element.

3. A terminal according to claim 2, wherein the cross-sectional thicknesses of the mating portion, the crimping portion and the power transmission region of the connecting portion are the same.

4. The connection terminal according to claim 2, wherein the cross-sectional thickness of the abutting portion, the crimping portion and the power transmission region of the connection portion is between 0.2 mm and 0.25 mm.

5. A terminal according to claim 2, wherein the cross-sectional thickness of the mating portion, the crimp portion and the power transmission region of the connecting portion exceeds 0.25 mm.

6. A terminal according to any one of claims 1 to 5, characterised in that the terminal delivers a maximum current of between 10 and 20 amps.

7. The connection terminal according to claim 6, wherein a fixing portion is provided at a rear portion of the press-fitting portion, the fixing portion being capable of pressing and holding the insulating layer outside the transmission line.

8. The connecting terminal according to claim 7, wherein the outer wall of the connecting portion is provided with at least one engaging portion protruding outward.

9. A connector capable of transmitting large currents, comprising an insulating body, and a terminal as claimed in any one of claims 1 to 8, wherein the terminal is capable of being assembled into the insulating body.

10. The connector of claim 9, wherein the front side of the housing has at least one insertion opening, the rear side of the housing has at least one assembly opening, the assembly openings are connected to the corresponding insertion openings, and the mating portions of the terminals can extend into the housing through the assembly openings.

11. The connector of claim 10, wherein the diameter of the assembling hole is 3.7-4.1 mm multiplied by 3.7-4.1 mm.