CN206685633U - Cylindrical transfer electrical connector - Google Patents

Abstract

A cylindrical adapter electric connector comprises an inner-layer cylindrical main body, a grounding terminal formed on the outer layer of the inner-layer cylindrical main body, an outer-layer cylindrical main body formed on the outer layer of the grounding terminal, and a plurality of transmission terminals arranged on the outer surface of the outer-layer cylindrical main body.

Description

Cylindrical transfer electrical connector

technical field

The utility model relates to an electric connector, in particular to a cylindrical transfer electric connector.

Background technique

Nowadays, various electronic products have more and more functions, providing unlimited convenience and high convenience, but form a complex electromagnetic wave interference environment, which affects the operation and transmission of electronic products, such as electromagnetic interference (Electromagnetic Interference, EMI), radio frequency interference (Radio Frequency Interference, RFI for short).

General electrical connector interfaces are Universal Serial Bus (Universal Serial Bus, referred to as USB) and automotive high-speed transmission connectors (High Speed Data, referred to as HSD), which are generally used by the public and developed to USB2.0 transmission specifications. Today it is the USB3.0 transmission specification with the fastest transmission speed.

The general HSD connector sets the power terminal used for power transmission on the top of the circular body, and the power terminal is not set in the circular body; while the tongue of the general USB electrical connector is roughly rectangular, with multiple terminals set up and down. However, due to the limited area of the rectangular tongue, the number of multiple terminals that can be provided cannot be increased any further. Therefore, the above-mentioned various problems are the problems that relevant operators must consider.

Utility model content

In view of the above problems, the utility model provides a cylindrical transfer electrical connector, which includes an inner columnar body, a grounding terminal, an outer columnar body and a plurality of transmission terminals; the grounding terminal is formed outside the inner columnar body Layer, the outer columnar body is formed on the outer layer of the ground terminal, the plurality of transmission terminals include at least one set of differential signal terminals, and each transmission terminal is arranged on the outer surface of the outer columnar body, and each transmission terminal corresponds to the circumferential area of the outer columnar body In a distributed arrangement, each transmission terminal contacts each contact terminal.

Wherein, the cylindrical transfer electrical connector of the present utility model further includes a transmission power terminal disposed in the inner columnar body, and the transmission power terminal is a cylindrical power terminal made of metal.

Wherein, the ground terminal is a circular tubular ground terminal or a rod-shaped ground terminal made of metal.

Wherein, the cylindrical transfer electrical connector of the present invention further includes a plurality of signal terminals arranged in the inner columnar body.

Wherein, the cylindrical transfer electrical connector of the present invention also includes a covering layer arranged outside the transmission terminals.

Wherein, the end surface of the inner columnar body is flush with the end surface of the outer columnar body, and the end surface of the ground terminal protrudes or is recessed from the end surfaces of the inner columnar body and the outer columnar body.

Wherein, the outer columnar body includes a fool-proof structure.

With a plurality of transmission terminals arranged on the outer surface of the outer columnar body, when the plurality of contact terminals of the cylindrical receptacle electrical connector contact the plurality of transmission terminals of the cylindrical transfer electrical connector, the differential signal terminals of the plurality of transmission terminals When transmitting high-frequency signals, the noise generated by multiple transmission terminals can be shielded and conducted by the ground terminal to improve the interference of crosstalk signals.

The transfer electrical connector is designed with a cylindrical structure to form a three-layer terminal structure. The outermost layer is the transmission terminal, the middle layer is the ground terminal, and the center is the transmission power terminal. The differential signal terminals of multiple transmission terminals are used to transmit high-frequency signals. In this case, the ground terminal shields and conducts the noise generated by multiple transmission terminals to improve the interference of crosstalk signals. In addition, each transmission terminal is arranged in a distribution corresponding to the circumferential area of the outer columnar body, the distance between the adjacent transmission terminals of the cylindrical transfer electrical connector is equal, and the distance between each transmission terminal and the ground terminal is equal. The impedance matching of the terminals is good, and the transmission terminals are distributed in the circumferential area of the circular outer columnar body, which can increase the number of transmission terminals.

Description of drawings

Fig. 1: the exploded schematic view of the utility model;

Figure 1A: A schematic diagram of the decomposition of the outer covering layer of the utility model (1);

Figure 1B: Decomposition schematic diagram (2) of the outer covering layer of the utility model;

Figure 1C: a schematic diagram of decomposition of the outer covering layer of the utility model (3);

Figure 1D: Decomposition schematic diagram (4) of the outer covering layer of the utility model;

Figure 2: Front view schematic diagram (1) of the cylindrical transfer electrical connector of the present utility model;

Figure 3: Front view schematic diagram (2) of the cylindrical transfer electrical connector of the present utility model;

Figure 4: Front view schematic diagram (3) of the cylindrical transfer electrical connector of the present utility model;

Figure 5: a schematic side view of the utility model (1);

Figure 6: A schematic side view of the utility model (2);

Figure 7: A schematic side view of the cylindrical socket electrical connector of the present invention;

Figure 8: Front view schematic diagram (1) of the utility model;

Figure 9: Front view schematic diagram (2) of the utility model.

Explanation of reference signs

100 Cylindrical Transition Electrical Connector

200 cylindrical socket electrical connector

300 Cylindrical Electrical Connector Combo

11 Inner columnar body

12 Outer columnar body

15 Fool-proof structure

31 Transmission power terminal

33 Ground terminal

35 Transmission terminal

36 Signal terminals

6 insulating body

6a First insulating seat

6b Second insulating seat

6c Seal

6d buckle slot

61 slots

71 Receptacle power terminal

731 Internal ground terminal

732 External ground terminal

75 contact terminals

8 buckle structure

9 Overlays.

detailed description

The detailed features and advantages of the present utility model are described in detail below in the implementation manner, and its content is enough to make those skilled in the art understand the technical content of the present utility model and implement it accordingly, and according to the content disclosed in this specification, claims and appended Figures, those skilled in the art can easily understand the purpose and advantages of the utility model.

Referring to Fig. 1, Fig. 2 and Fig. 5, it is an embodiment of a cylindrical electrical connector combination 300 of the present invention, Fig. 1 is an exploded schematic diagram, Fig. 2 is a front view schematic diagram (1) of a cylindrical transfer electrical connector 100, Figure 5 is a schematic side view (1). The cylindrical electrical connector assembly 300 of the present invention includes two cylindrical socket electrical connectors 200 and a cylindrical transfer electrical connector 100 .

Referring to FIG. 1 , FIG. 2 and FIG. 5 , the cylindrical electrical transfer connector 100 is a connection interface specification such as USB Type-C or a high-speed transmission connector (High Speed Data, HSD for short), but not limited thereto. The cylindrical transition electrical connector 100 includes an inner cylindrical body 11 , a ground terminal 33 (Gnd), an outer cylindrical body 12 and a plurality of transmission terminals 35 .

Referring to Fig. 1 and Fig. 3, Fig. 3 is a schematic front view (2) of the cylindrical transfer electrical connector 100, which is an embodiment of the cylindrical transfer electrical connector 100, and the cylindrical transfer electrical connector 100 also includes transmission The power terminal 31 (Power), which is a cylindrical power terminal made of metal, the inner columnar body 11 is made of insulating material, the inner columnar body 11 is formed on the outer layer of the transmission power terminal 31, and the inner columnar body 11 is inserted into the mold Combined with the transmission power terminal 31.

Referring to Fig. 1 and Fig. 4, Fig. 4 is a schematic front view (3) of the cylindrical transfer electrical connector 100, which is an embodiment of the cylindrical transfer electrical connector 100, and the cylindrical transfer electrical connector 100 also includes multiple Each signal terminal 36 is arranged in the inner columnar body 11. Each signal terminal 36 can be a differential pair (D+, D-) or a non-differential pair, and can transmit USB signals or HDMI signals. It is a cylindrical power terminal made of metal. .

Referring to Fig. 1, Fig. 2 and Fig. 5, the ground terminal 33 is a circular tubular ground terminal 33 made of metal or more than one rod-shaped ground terminal 33, the ground terminal 33 is formed on the outer layer of the inner columnar body 11, and the outer columnar body 12 is made of insulating material, the outer columnar body 12 is formed on the outer layer of the ground terminal 33 , and the outer columnar body 12 is combined with the ground terminal 33 by insert molding.

1, FIG. 2 and FIG. 5, a plurality of transmission terminals 35 include at least one set of differential signal terminals, and each transmission terminal 35 is arranged on the outer surface of the outer columnar body 12, and each transmission terminal 35 corresponds to the outer columnar body 12. The circumferential area is arranged in a distributed manner. Here, the plurality of transmission terminals 35 are arranged equidistantly in twenty terminals, and the number of twenty terminals is only an example and not limited thereto.

Referring to Fig. 1, Fig. 2 and Fig. 5, from the front view of the cylindrical transfer electrical connector 100, the end faces of the inner cylindrical body 11 and the outer cylindrical body 12 are flush, and the end faces of the transmission power terminals 31 are protruding or concave On the end surfaces of the inner columnar body 11 and the outer columnar body 12 .

Referring to Fig. 1, Fig. 2 and Fig. 5, from the front view of the cylindrical transfer electrical connector 100, the inner columnar body 11 is flush with the end face of the outer columnar body 12, and the end face of the grounding terminal 33 is protruding or recessed in the The end faces of the inner columnar body 11 and the outer columnar body 12 .

1, 3 and 5, the transmission power terminal 31 of the cylindrical electrical transfer connector 100 is arranged at the center of the inner cylindrical body 11, and the ground terminal 33 and the plurality of transmission terminals 35 are centered on the transmission power terminal 31. point corresponding to the position.

Referring to FIG. 1, FIG. 2 and FIG. 5, the plurality of transmission terminals 35 include at least one set of differential signal terminals, because electromagnetic interference (Electromagnetic Interference, EMI) and radio frequency interference (Radio Frequency Interference, RFI for short) are likely to occur when transmitting high-frequency signals. In order to avoid affecting the operation and transmission of electronic products, the outer columnar body 12 and the grounding terminal 33 are arranged inside the multiple transmission terminals 35 to shield and conduct the noise generated by the multiple transmission terminals 35 for grounding.

Referring to Fig. 1, Fig. 2 and Fig. 5, each transmission terminal 35 is distributed and arranged corresponding to the circumferential area of the outer columnar body 12, and the distance between the adjacent transmission terminals 35 of the cylindrical transfer electrical connector 100 is equal, and each transmission terminal The distance between the terminal 35 and the grounding terminal 33 is equal, the impedance matching of each transmission terminal 35 is good, and each transmission terminal 35 is set according to the circumferential area of the circular outer columnar body 12 , so that the number of transmission terminals 35 can be increased.

Referring to FIG. 1 , FIG. 5 and FIG. 6 , the cylindrical socket electrical connector 200 includes an insulating body 6 , a plurality of contact terminals 75 , socket power terminals 71 , internal ground terminals 731 and external ground terminals 732 .

Referring to Figure 1 and Figure 5, one side of the insulating body 6 includes a slot 61, a plurality of contact terminals 75 are arranged on the insulating body 6, each contact terminal 75 is bent and formed into an elastic terminal, and one end of each contact terminal 75 extends to the slot 61, the socket power terminal 71 is arranged on the insulating body 6, and one end of each socket power terminal 71 extends to the inner surface of the slot 61, and the internal grounding terminal 731 is arranged on the insulating body 6, and one end of each internal grounding terminal 731 extends into the slot 61 On the side, the external ground terminals 732 are disposed on the outer surface of the insulating body 6 , and one end of each external ground terminal 732 extends to the outside of the adjacent slot 61 .

Referring to Fig. 7 and Fig. 8, in some examples, each contact terminal 75 is processed into a blank type terminal by cutting to form a terminal structure with improved strength, and two adjacent contact terminals 75 are arranged parallel to each other, and In contact with each transmission terminal 35 .

1, 2 and 5, the ground terminal 33 of the cylindrical transfer electrical connector 100 contacts the internal ground terminal 731 of the cylindrical receptacle electrical connector 200, and the ground terminal 33 and the internal ground terminal 731 can be at least one protruding shaft (point) is in contact with the round tube (surface), that is, the protruding shaft contacts the end face of the round tube, the grounding terminal 33 is at least one protruding shaft (point), the internal grounding terminal 731 is a round tube (surface), or the grounding terminal 33 is a round tube (surface), and the internal ground terminal 731 is at least one protruding shaft (point).

Referring to FIG. 1 , FIG. 2 and FIG. 5 , each transmission terminal 35 of the cylindrical transition electrical connector 100 contacts each contact terminal 75 of the cylindrical receptacle electrical connector 200 . In this embodiment, two cylindrical receptacle electrical connectors 200 are respectively connected by cylindrical transfer electrical connectors 100, and a plurality of contact terminals 75 of each cylindrical receptacle electrical connector 200 are located between the external ground terminal 732 and the external ground terminal 732. Between the internal ground terminals 731, when a plurality of contact terminals 75 contact the multiple transmission terminals 35 of the cylindrical transfer electrical connector 100, when the differential signal terminals of the multiple transmission terminals 35 transmit high-frequency signals, the external ground terminals 732 and the internal ground terminal 731 shield and conduct the noise generated by the differential signal terminals of multiple transmission terminals 35, improve the interference of crosstalk signals, and the distance between the external ground terminal 732 and multiple transmission terminals 35 is the same as that between the internal ground terminal 731 and multiple The transmission terminals 35 are at the same distance, and the cylindrical socket electrical connector 200 is connected to the circuit board for noise transmission and grounding.

Referring to Fig. 1, Fig. 2, Fig. 5 and Fig. 9, Fig. 9 is a schematic front view (2), the outer cylindrical main body 12 of the cylindrical transfer electrical connector 100 and the insulating body 6 of the cylindrical socket electrical connector 200 include The anti-fooling structure 15 is snapped together, and the cylindrical adapter electrical connector 100 and the cylindrical receptacle electrical connector 200 can be inserted correctly by means of the anti-fooling structure 15 .

Referring to Fig. 1, Fig. 2 and Fig. 5, the insulating body 6 of the cylindrical receptacle electrical connector 200 includes a first insulating seat 6a, a second insulating seat 6b formed outside the first insulating seat 6a, and a second insulating seat 6b located outside the first insulating seat 6a and The sealing member 6c (such as silica gel) between the second insulating seat 6b, the sealing member 6c is arranged at the rear end of the first insulating seat 6a, and is formed inside the second insulating seat 6b, and the sealing member 6c is covered with the terminal in the insulating body 6 and connected to the wire The position between the transmission lines is to fill the gap between the terminal and the wire transmission line, so as to prevent moisture from penetrating into the second insulating seat 6b from the front end of the jack, which will affect the transmission performance of the metal terminals and the wire transmission line in the second insulating seat 6b , that is, to avoid rusting of metal terminals and wire transmission lines due to moisture, and short-circuits when transmitting power, the sealing member 6c is arranged between the rear end of the first insulating seat 6a and the second insulating seat 6b as a barrier , to improve the waterproof capability of the structure of the cylindrical socket electrical connector 200 itself.

Referring to Fig. 1, Fig. 2 and Fig. 5, the two cylindrical socket electrical connectors 200 also include a buckle structure 8 and a buckle groove 6d formed on each second insulating seat 6b, and the two cylindrical socket electrical connectors 200 After the buckle structure 8 is correspondingly buckled to the buckle groove 6d on each second insulating seat 6b, cooperate with the above-mentioned sealing member 6c to achieve the effect of complete sealing and waterproof. Here, the buckle groove 6d is structurally designed to allow the buckle structure 8 to slide in and After rotating a predetermined angle, it can be fastened firmly without detachment.

Referring to Fig. 1, Fig. 2, Fig. 5 and Fig. 6, Fig. 6 is a schematic side view (2), the cylindrical socket electrical connector 200 also includes a socket power terminal 71, which is arranged on the insulating body 6, and one end of each socket power terminal 71 Extend to the inner side of the slot 61 to contact the transmission power terminal 31 of the cylindrical transition electrical connector 100 .

Referring to FIG. 1A, FIG. 1B, FIG. 1C and FIG. 1D, FIG. 1A is an exploded schematic diagram (1) of the outer covering layer 9 of the cylindrical transfer electrical connector 100, and FIG. 1B is the outer covering of the cylindrical transfer electrical connector 100. Decomposition schematic diagram of layer 9 (2), Fig. 1C is an exploded schematic diagram of the outer covering layer 9 of the cylindrical transfer electrical connector 100 (3), Fig. 1D is the decomposition of the outer covering covering layer 9 of the cylindrical transfer electrical connector 100 Schematic diagram (4), in this embodiment, a cover layer 9 (plastic part) is provided outside the multiple transmission terminals 35 to protect the multiple transmission terminals 35 from being exposed. As shown in Figure 1A and Figure 1B, the two ends of a plurality of transmission terminals 35 are exposed for contact with a plurality of contact terminals 75 of the cylindrical socket electrical connector 200 (not shown in the figure), as shown in Figure 1A, the transmission terminals 35 are elongated Flat terminal structure, and the end face of the contact terminal 75 directly contacts the end face of the transmission terminal 35, as shown in Figure 1B, the transmission terminal 35 is a strip-shaped flat terminal with a slightly vertical 90-degree bending structure at both ends, as shown in Figure 1C. The terminal 35 is a strip-shaped flat terminal with a turning part structure with opposite directions at both ends, and this is contacted by the contact terminal 75 that is an elastic terminal, as shown in Figure 1D. The covering layer 9 (plastic part) outside the multiple transmission terminals 35 In a part of the area, the covering layer 9 is not provided on both sides of the plurality of transmission terminals 35 .

With a plurality of transmission terminals arranged on the outer surface of the outer columnar body, when the plurality of contact terminals of the cylindrical receptacle electrical connector contact the plurality of transmission terminals of the cylindrical transfer electrical connector, the differential signal terminals of the plurality of transmission terminals When transmitting high-frequency signals, the noise generated by multiple transmission terminals can be shielded and conducted by the ground terminal to improve the interference of crosstalk signals.

The transfer electrical connector is designed with a cylindrical structure to form a three-layer terminal structure. The outermost layer is the transmission terminal, the middle layer is the ground terminal, and the center is the transmission power terminal. The differential signal terminals of multiple transmission terminals are used to transmit high-frequency signals. In this case, the ground terminal shields and conducts the noise generated by multiple transmission terminals to improve the interference of crosstalk signals. In addition, each transmission terminal is arranged in a distribution corresponding to the circumferential area of the outer columnar body, the distance between the adjacent transmission terminals of the cylindrical transfer electrical connector is equal, and the distance between each transmission terminal and the ground terminal is equal. The impedance matching of the terminals is good, and the transmission terminals are distributed in the circumferential area of the circular outer columnar body, which can increase the number of transmission terminals.

Through the above detailed description, it can be fully demonstrated that the purpose and efficacy of this utility model are progressive in implementation, extremely valuable in industrial utilization, and it is a utility model that has never been seen in the market so far, and fully complies with the patent application Requirements, especially in accordance with the law to file a patent application. However, the above descriptions are only preferred embodiments of the present utility model, and should not be used to limit the scope of protection of the present utility model. That is, all equal changes and modifications made according to the scope of the utility model patent shall belong to the scope covered by the utility model patent.

Claims (9)

1. A kind of 1. cylindrical electrical adapter connector, it is characterised in that including：

   One internal layer columnar body；

   One ground terminal, it is formed at the internal layer columnar body outer layer；

   One outer layer columnar body, it is formed at the ground terminal outer layer；And

   Multiple transmission terminals, these transmission terminals include at least one set of difference signal terminal, and to be arranged at this outer for each transmission terminal Layer columnar body outer surface, each transmission terminal to should outer layer columnar body circumferential area and be distributed setting.
2. 2. cylindrical electrical adapter connector as claimed in claim 1, it is characterised in that between adjacent each transmission terminal Away from equal.
3. 3. cylindrical electrical adapter connector as claimed in claim 1, it is characterised in that each transmission terminal and the ground terminal it Between distance it is equal.
4. 4. cylindrical electrical adapter connector as claimed in claim 1, it is characterised in that also including a transmission power supply terminal, if It is placed in the internal layer columnar body, the transmission power supply terminal is the cylindrical power supplies terminal of metal material.
5. 5. cylindrical electrical adapter connector as claimed in claim 1, it is characterised in that the ground terminal is the circle of metal material Tubular grounding terminal or shaft-like ground terminal.
6. 6. cylindrical electrical adapter connector as claimed in claim 1, it is characterised in that also including multiple signal terminals, set In in the internal layer columnar body.
7. 7. cylindrical electrical adapter connector as claimed in claim 1, it is characterised in that be also arranged at these transmission end including one Coating outside son.
8. 8. cylindrical electrical adapter connector as claimed in claim 1, it is characterised in that the internal layer columnar body and the outer layer post Shape main body end face, the ground terminal end face are prominent or indent in the internal layer columnar body and the outer layer columnar body end Face.
9. 9. cylindrical electrical adapter connector as claimed in claim 1, it is characterised in that the outer layer columnar body includes a fool proof Structure.