TWM607428U - Coaxial electrical connector - Google Patents

Abstract

This creation provides a coaxial electrical connector, which includes a first insulating body, the first insulating system is installed with a plurality of first terminals and a plurality of second terminals; an upper cover, the upper cover is installed on the first insulating body On; at least one axis, a slot for the coaxial line is formed between the upper cover and the first insulating body; two pressure bars, the two pressure bars are respectively arranged on opposite sides of the ground wire layer, and the two pressure bars The other side opposite to the ground wire layer abuts against the inner surface of an upper cover and the second contact part, the signal line abuts against the first contact part; and a second insulating body, the second insulating body is installed In the first insulating body, a coaxial electrical connector for fixing the coaxial line and stabilizing the overall structure is provided.

Description

Coaxial electrical connector

This creation is related to the field of a coaxial electrical connector, in particular, it provides a coaxial electrical connector that fixes the coaxial line and stabilizes the overall structure.

With the increase in the use of high-speed Internet and large-capacity storage devices, the requirements for processing a large amount of information and data and signal transmission speed are getting higher and higher. Furthermore, in order to bring convenience to people, the structural design of electronic products is gradually moving towards To develop with high performance, power saving and miniaturization.

Compared with the traditional electronic wire structure, Micro Coaxial Cable has a smaller outer diameter and higher data transmission ability, and is widely used in electrical appliances or smart products, such as: personal computers, tablet computers The signal transmission between the internal module boards of devices such as smartphones and smart phones is even applied to the field of precision instruments, such as the signal transmission between medical, transportation equipment, aviation and other fields.

When the traditional ultra-fine coaxial cable is assembled in the electrical connector, it is often prone to offset and fall off during assembly, which will affect the signal transmission quality, or simply use the traditional crimping combination when installing and combining. , Assemble the ultra-fine coaxial cable in the electrical connector, and the electrical connector will age due to long-term use, which will cause the uneven crimping pressure or the offset and falling off caused by the improper crimping position.

Therefore, how to effectively improve the instability of conventional ultra-fine coaxial cables and electrical connectors through innovative hardware design is a problem that relevant industry developers and related researchers need to continue to work hard to overcome and solve.

In view of this, in order to solve the bottleneck encountered in the instability of the traditional ultra-fine coaxial cable and electrical connector assembly, the creator, assisted by his rich professional knowledge and practical experience, has developed and created a special card to use The assembling relationship among the first terminal, the second terminal, the third terminal and the limiting part of the structure and the coaxial electrical connector welded through the welding layer.

A coaxial electrical connector includes: a first insulating body, the first insulating system is installed with a plurality of first terminals and a plurality of second terminals, the first terminal has a first contact portion and the second terminal One end of a contact portion is bent downward to form a U-shaped first butting arm. The second terminal has a second contact portion and a second butting arm that is bent downward from one end of the second contact portion. The terminal has an L-shaped cross-section; an upper cover, the upper cover is mounted on the first insulating body; at least on the same axis, a slot for the coaxial line is formed between the upper cover and the first insulating body, each of the coaxial The wire takes a signal wire as the axis, and sequentially covers a signal end insulation layer, a ground wire layer and a ground wire insulation layer from the inside to the outside, and one end of the coaxial wire is partially exposed to the signal wire and the signal end The insulating layer and the ground wire layer; two pressure bars, the two pressure bars are respectively arranged on opposite sides of the ground wire layer, and the two pressure bars respectively abut against the inner surface of a top cover and the other side of the ground wire layer. The second contact part, the signal line abuts against the first contact part; and a second insulating body, the second insulating body is mounted on the first insulating body.

In an embodiment of the present invention, the side of the two pressure bars that abut the inner surface of the upper cover and the second contact portion further includes a first welding layer and a second welding layer.

In an embodiment of the present invention, the side of the signal line against the first contact portion further includes a third welding layer.

In an embodiment of the invention, one of the upper covers has a plurality of pressure grooves on the outer surface.

In an embodiment of the invention, the shape of the pressing groove is any shape.

In an embodiment of the invention, the shape of the pressing groove is a circle, an ellipse, or a polygon.

In an embodiment of the present invention, one of the upper covers has a plurality of welding holes on the outer surface.

In an embodiment of the present invention, a limiting protrusion extends from one side of the welding hole.

In an embodiment of the invention, a welding bead is provided between the welding hole and the coaxial line.

In an embodiment of the invention, one end of the upper cover has at least one engaging portion, and each engaging portion is correspondingly engaged with a protrusion of the first insulating body.

In an embodiment of the present invention, the upper cover has an elastic piece portion at the other end relative to one end of the engaging portion, and the elastic piece portion abuts against the insulating layer of the ground wire.

In an embodiment of the present invention, the coaxial electrical connector further includes a first fixing portion, and the first fixing portion fixes the position of the coaxial line.

In an embodiment of the invention, the coaxial electrical connector further includes a second fixing portion and a third fixing portion, and the second fixing portion and the third fixing portion are disposed on opposite sides of the coaxial line.

In an embodiment of the invention, the signal wire is formed by twisting a plurality of metal wires.

In an embodiment of the invention, wherein the second insulating body includes a circuit board, the circuit board is provided with a plurality of third terminals and a plurality of limiters, the third terminal has an elastic part and a connection with the elastic part The stop part, and the elastic part and the stop part form a notch.

In an embodiment of the present invention, the first docking arm can be embedded in the notch.

In an embodiment of the invention, the limiting member can be engaged with a limiting hole of the second docking arm.

As a result, the coaxial electrical connector of the present invention is assembled through the stable cooperation between the first terminal, the second terminal, the third terminal and the limiting member of the special clamping structure, and the welding layer is used for welding to provide A more stable coaxial electrical connector structure can solve the bottleneck of offset and falling off during assembly that is easily encountered when the traditional ultra-fine coaxial cable and electrical connector are assembled.

In order to understand the technical features, content and advantages of this creation and its achievable effects, the expressions of this creation with accompanying drawings are explained in detail as follows, and the schematics used therein are only schematic and supplementary instructions. The use of this may not necessarily be the true proportions and precise configuration after the implementation of this creation. Therefore, the proportion and configuration relationship of the attached drawings should not be interpreted, and the scope of rights of the creation in actual implementation should not be interpreted, and the scope of rights of the creation in actual implementation should be clarified first.

In order to make the description of the content disclosed in this creation more detailed and complete, the following provides an illustrative description of the implementation and specific embodiments of the creation; but this is not the only way to implement or use the specific embodiments of this creation.

In this specification as a whole, as long as the expression in the singular form is not specifically mentioned, it should be understood to also include the concept of the plural form.

Please refer to Figures 1 to 3, which are the overall schematic diagram of the coaxial electrical connector, the overall assembly diagram of the coaxial electrical connector, and the schematic diagram of the assembly of the coaxial cable and the two pressure bars of a preferred embodiment of the creation. This creation provides a coaxial electrical connector, which includes: a first insulating body (1), the first insulating body (1) is installed with a plurality of first terminals (10) and a plurality of second terminals (12) , The first terminal (10) has a first contact portion (101) and a first butting arm (102) that is bent downward from one end of the first contact portion (101) to form a U-shape, and the second terminal ( 12) It has a second contact portion (121) and a second butting arm (122) bent downward from one end of the second contact portion (121), the second terminal (12) has an L-shaped cross section; an upper cover (2) The upper cover (2) is made of metal material, and the upper cover (2) is mounted on the first insulating body (1); at least on the same axis (3), the upper cover (2) and the first insulating body ( 1) A slot (4) for the installation of the coaxial cable (3) is formed between 1). Each coaxial cable (3) takes a signal line (31) as its axis. The signal line (31) is composed of plural Two metal wires are twisted, and a signal terminal insulation layer (32), a ground wire layer (33) and a ground wire insulation layer (34) are sequentially covered from the inside to the outside, and the coaxial wire (3) One end partly exposes the signal wire (31), the signal end insulating layer (32) and the ground wire layer (33); two pressure bars (5), the two pressure bars (5) are respectively arranged on the ground wire layer (33) The opposite sides of the two pressure strips (5) and the other side of the ground wire layer (33) are in contact with the inner surface (21) of the upper cover and the second contact portion (121) respectively. The signal line (31) In contact with the first contact portion (101), the ground wire layer (33), the inner surface of the upper cover (21), and the second contact portion (121) are electrically connected to each other, and the signal line (31) and The first contact portions (101) are electrically connected to each other; and a second insulating body (6), the second insulating body (6) is installed on the first insulating body (1). In specific implementation, the upper cover (2), the first insulating body (1) and the second insulating body (6) can be assembled and pressed in sequence.

In an embodiment of the present invention, the two pressure strips (5) abut against the inner surface of the upper cover (21) and the side of the second contact portion (121) further include a first welding layer (not shown in the figure) and a side The second welding layer (not shown in the figure). The signal line (31) on the side of the first contact part (101) further includes a third welding layer (not shown in the figure). The wire (3) is fixed to the first welding layer, the second welding layer and the third welding layer to further fix the coaxial electrical connector (1000), so as to avoid deviation and falling off during assembly.

In an embodiment of the invention, one of the upper cover outer surfaces (22) of the upper cover (2) has a plurality of pressure grooves (221), and the shape of the pressure groove (221) is any shape, and the pressure groove ( The shape of 221) is circle, ellipse and polygon. In order to increase its stability after assembly, the pressing groove (221) of different shapes can be formed according to actual needs, and pressure is applied to the pressing groove (221) by crimping, so that the upper cover (2), the The first insulating body (1) and the second insulating body (6) can be crimped stably to avoid the phenomenon of falling off after assembly.

In an embodiment of the present invention, one of the upper cover outer surfaces (22) of the upper cover (2) has a plurality of welding holes (222), and a limiting protrusion (223) extends from one side of the welding hole (222). During specific implementation, the inside of the coaxial electrical connector (1000) can be welded through the welding hole (222).

In an embodiment of the present invention, one end of the upper cover (2) has at least one engaging portion (225), and each of the engaging portions (225) is correspondingly engaged with a protrusion ( 11) The upper cover (2) has an elastic piece part (226) at the other end opposite to one end of the engaging part (225), and the elastic piece part (226) abuts against the ground wire insulation layer (34).

Please refer to Figures 4 to 5 together, which is a schematic diagram of the assembly of the cross section and the coaxial line viewed from the 4-4 section line and the direction indicated by the arrow in Figure 1 of a preferred embodiment of the creation (1) And the assembly diagram (2), at least one coaxial line (3), each coaxial line (3) takes a signal line (31) as the axis, and sequentially covers a signal end insulating layer (32) from the inside to the outside, A ground wire layer (33) and a ground wire insulation layer (34), and one end of the coaxial wire (3) is partially exposed to the signal wire (31), the signal terminal insulation layer (32) and the ground wire layer ( 33). In specific implementation, each coaxial cable (3) can be installed between the upper cover (2) and the first insulating body (1) to form a slot (4), and be connected to the upper cover ( 2) The first insulating body (1) and the second insulating body (6) are assembled and pressed together.

Please refer to Figure 6, which is a schematic diagram of the assembly of the cross section and the coaxial line viewed from the 6-6 section line and the direction indicated by the arrow in Figure 1 of a preferred embodiment of the creation.

In an embodiment of the present invention, a welding bead (224) is provided between the welding hole (222) and the coaxial line (3), and the coaxial electrical connector (1000) is welded and combined through the welding hole (222). The weld bead (224) is formed to fix the position of the coaxial line (3).

In an embodiment of the present invention, the coaxial electrical connector (1000) further includes a first fixing portion (51), the first fixing portion (51) fixes the position of the coaxial line (3), and the coaxial electrical connector (1000) further includes a second fixing portion (52) and a third fixing portion (53). The second fixing portion (52) and the third fixing portion (53) are disposed on opposite sides of the coaxial line (3). Side, the position of the coaxial line (3) is fixed through the first fixing portion (51), the second fixing portion (52) and the third fixing portion (53) during implementation to form a more stable coaxial line Electric connector (1000) structure.

Please refer to Figures 7 to 9 together, which are the overall assembly state diagram (1), state diagram (2) and state diagram (3) of the coaxial electrical connector of a preferred embodiment of the creation.

In an embodiment of the present invention, the second insulating body (6) includes a circuit board (7), and the circuit board (7) is provided with a plurality of third terminals (61) and a plurality of limiters (614), The third terminal (61) has an elastic portion (611), a stop portion (612) connected to the elastic portion (611), and the elastic portion (611) and the stop portion (612) form a notch (613), wherein the first terminal (10) and the third terminal (61) are electrically connected to each other, and the second terminal (12) and the limiting member (614) are electrically connected to each other. In actual implementation, the assembly relationship between the first terminal (10), the second terminal (12), the third terminal (61) and the stopper (614) of the special clamping structure and the welding through the welding layer Way to avoid falling off after assembly.

In an embodiment of the present invention, the first docking arm (102) can be embedded in the notch (613); the limiting member (614) can be engaged with one of the second docking arms (122) The limiting hole (1221) is used to form a more stable coaxial electrical connector (1000) structure.

In summary, compared with existing technologies and products, this creation has one of the following advantages:

One of the purposes of this creation is to use the first terminal, the second terminal, the third terminal and the limiter of the special clamping structure to stabilize the fit with each other, and use the welding layer for welding, and at the same time use the rest of the fixed structure for fixing , In order to provide a more stable coaxial electrical connector structure, thereby effectively maintaining the quality and reliability of the overall coaxial electrical connector.

However, the above are only the preferred embodiments of this creation, and should not be used to limit the scope of implementation of this creation, that is, simple equivalent changes and modifications made according to the scope of patent application and new description of this creation, All are still within the scope of this creation patent. In addition, any embodiment of this creation or the scope of the patent application does not have to achieve all the purposes or advantages or features disclosed in the creation. In addition, the abstract part and title are only used to assist in searching for patent documents, not to limit the scope of rights of this creation. In addition, the terms "first" and "second" mentioned in this specification or the scope of the patent application are only used to name the element (element) or to distinguish different embodiments or ranges, and are not used to limit the number of elements. Upper or lower limit.

The above detailed description is a specific description of a feasible embodiment of the present model, but the embodiment is not intended to limit the scope of the patent of the present model. Any equivalent implementation or modification that does not deviate from the technical spirit of the present model shall be included in In the scope of the patent in this case.

1000: Coaxial electrical connector 1: The first insulating body 10: The first terminal 101: first contact 102: The first docking arm 11: protrusion 12: second terminal 121: second contact 122: second butt arm 1221: Limit hole 2: upper cover 21: The inner surface of the upper cover 22: The outer surface of the upper cover 221: Pressure Groove 222: Welding hole 223: limit protrusion 224: Weld Bead 225: Snap 226: Shrapnel Department 3: coaxial line 31: signal line 32: Signal end insulation layer 33: Ground wire layer 34: Ground wire insulation 4: Slot 5: Layering 51: The first fixed part 52: second fixed part 53: The third fixed part 6: The second insulating body 61: third terminal 611: Elastic part 612: Stop 613: Notch 614: limit piece 7: Circuit board

Figure 1: The overall schematic diagram of the coaxial electrical connector of a preferred embodiment of this invention. Figure 2: The overall assembly diagram of the coaxial electrical connector of a preferred embodiment of this creation. Figure 3: A schematic diagram of the assembly of the coaxial cable and the two beading of a preferred embodiment of this creation. Figure 4: A schematic diagram of the assembly of the cross-section and the coaxial line viewed from the 4-4 section line and the direction indicated by the arrow in Figure 1 of a preferred embodiment of this creation (1). Figure 5: A schematic diagram of the assembly of the cross-section and the coaxial line viewed from the section line 4-4 of Figure 1 and the direction indicated by the arrow of a preferred embodiment of this creation (2). Figure 6: A schematic diagram of the assembly of the cross-section and the coaxial line viewed from the section line 6-6 of Figure 1 and the direction indicated by the arrow of a preferred embodiment of this creation. Figure 7: The coaxial electrical connector assembling state diagram (1) of a preferred embodiment of this creation. Figure 8: A diagram of the overall assembly state of the coaxial electrical connector of a preferred embodiment of this creation (2). Figure 9: A diagram of the overall assembly state of the coaxial electrical connector of a preferred embodiment of this creation (3).

1000: Coaxial electrical connector

1: The first insulating body

221: Pressure Groove

222: Welding hole

223: limit protrusion

Claims (17)

A coaxial electrical connector includes: a first insulating body (1). The first insulating body (1) is installed with a plurality of first terminals (10) and a plurality of second terminals (12). The first insulating body (1) is installed with a plurality of first terminals (10) and a plurality of second terminals (12). A terminal (10) has a first contact portion (101) and a first butting arm (102) that is bent downward from one end of the first contact portion (101) to form a U shape, and the second terminal (12) has A second contact portion (121) and a second mating arm (122) bent downward from one end of the second contact portion (121), the second terminal (12) has an L-shaped cross section; An upper cover (2) installed on the first insulating body (1); At least a coaxial line (3), a slot (4) for installing the coaxial cable (3) is formed between the upper cover (2) and the first insulating body (1), and each coaxial cable (3) is A signal wire (31) is the axis, and a signal terminal insulation layer (32), a ground wire layer (33) and a ground wire insulation layer (34) are sequentially covered from the inside to the outside, and the coaxial wire (3) ) One end partly exposes the signal line (31), the signal end insulating layer (32) and the ground line layer (33); Two pressure bars (5), the two pressure bars (5) are respectively arranged on opposite sides of the ground wire layer (33), and the two pressure bars (5) respectively abut against the other side of the ground wire layer (33) An inner surface (21) of an upper cover and the second contact portion (121), and the signal line (31) abuts against the first contact portion (101); and A second insulating body (6) is installed on the first insulating body (1). The coaxial electrical connector according to claim 1, wherein the two pressure bars (5) abut one side of the inner surface (21) of the upper cover and the second contact portion (121), and further comprise a first welding layer and a side The second welding layer. The coaxial electrical connector according to claim 2, wherein the side of the signal line (31) that abuts the first contact portion (101) further includes a third welding layer. The coaxial electrical connector according to claim 1, wherein an outer surface (22) of the upper cover (2) has a plurality of pressing grooves (221). The coaxial electrical connector according to claim 4, wherein the shape of the pressing groove (221) is any shape. The coaxial electrical connector according to claim 5, wherein the shape of the pressing groove (221) is a circle, an ellipse, or a polygon. The coaxial electrical connector according to claim 1, wherein the outer surface (22) of one of the upper covers (2) has a plurality of welding holes (222). The coaxial electrical connector according to claim 7, wherein a limiting protrusion (223) extends from one side of the welding hole (222). The coaxial electrical connector according to claim 8, wherein a welding bead (224) is provided between the welding hole (222) and the coaxial line (3). The coaxial electrical connector according to claim 1, wherein the upper cover (2) has at least one engaging portion (225) at one end, and the engaging portion (225) is correspondingly engaged with the first insulating body (1) One protrusion (11). The coaxial electrical connector according to claim 10, wherein the upper cover (2) has an elastic piece part (226) at the other end opposite to one end of the engaging part (225), and the elastic piece part (226) is in contact with the ground Wire insulation layer (34). The coaxial electrical connector according to claim 1, wherein the coaxial electrical connector (1000) further comprises a first fixing portion (51), and the first fixing portion (51) fixes the position of the coaxial line (3) . The coaxial electrical connector according to claim 12, wherein the coaxial electrical connector (1000) further comprises a second fixing portion (52) and a third fixing portion (53), the second fixing portion (52) And the third fixing portion (53) is arranged on opposite sides of the coaxial line (3). The coaxial electrical connector according to claim 1, wherein the signal line (31) is formed by twisting a plurality of metal wires. The coaxial electrical connector according to claim 1, wherein the second insulating body (6) includes a circuit board (7), and the circuit board (7) is provided with a plurality of third terminals (61) and a plurality of limits The positioning member (614), the third terminal (61) has an elastic portion (611), a stop portion (612) connected to the elastic portion (611), and the elastic portion (611) and the stop portion ( 612) A notch (613) is formed. The coaxial electrical connector according to claim 15, wherein the first butting arm (102) can be embedded in the notch (613). The coaxial electrical connector according to claim 16, wherein the limiting member (614) can be engaged with a limiting hole (1221) of the second mating arm (122).

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