TWM554237U - Soldering-free connector for coaxial micro power cable - Google Patents

Description

Solderless connector for coaxial micro cable

The present invention relates to a solderless connector for a coaxial microcable, which forms a stable electrical connection between a center conductor of a coaxial microcable and a connection terminal of a connector body by a conductive clamping member.

Existing coaxial micro-cable connectors can be used to mechanically and electrically connect a coaxial micro-cable to an electronic device having an interface connector for use in signal transmission. In the current state of coaxial microcable connection technology, the term "coaxial microcable" as used herein means a coaxial cable having a center conductor diameter greater than 0.1 mm and less than 0.8 mm, such as RG178, RG179. Such smaller outer diameter coaxial cables require the use of precise microconnectors such as SMA, SMB, MCX, and MMCX. In the prior art, the coaxial microcable includes a center conductor, an insulator is wrapped around the center conductor, at least one layer of braided conductor is wrapped around the insulator, and a sheath is wrapped around the braided conductor. The center conductor of the coaxial microcable is typically soldered directly to the pins inside the connector. This type of welding requires electrical power and a clean, bright workplace for joining operations. For small plugs, more careful handling is required during assembly. The installer needs to hold the pin and place it on the center conductor and then perform the welding procedure.

However, in such a method of electrical connection, connection errors often occur during the soldering process, and the size of the plug is very small, and the fingers are difficult to pick up, which makes assembly difficult.

Moreover, since the welding process is complicated and the connection process takes a lot of time, the failure of the connection process will cause great loss.

In summary, there is a need for a solder-free structure that allows the center conductor of the coaxial microcable to be securely bonded to the connector without the need for soldering or precision extrusion.

The main purpose of the present invention is to provide a structure in which the center conductor of the coaxial microcable and the connector body of the connector body are electrically connected by a simple and non-connecting structure.

In order to achieve the above object and effect, the solderless connector for the coaxial micro-cable comprises a metal casing and a connector body mounted inside the metal casing, the connector body comprising a connector, an insulating component, and a connecting terminal And a supporting component, the connector is characterized in that the insulating component has a front end portion, a rear end portion, and an arcuate end portion formed between the front end portion and the rear end portion, the curved end portion having a a receiving slot; and a conductive clamping component disposed between the insulating component and the connecting terminal, the conductive clamping component is a U-shaped structure, disposed in the receiving groove of the insulating component, and located at the interface of the connecting terminal Around the portion, the conductive clamping member has an arcuate portion, and a pair of bendable portions extend upward from the both end portions of the curved portion by a predetermined length and is forced by a small tool The bendable portion is bent inwardly and is pressed against the center conductor of the coaxial microcable to form an electrical connection.

The structural features of this creation that are novel are described in detail in the scope of the patent application. However, the creation itself, by reference to the following description in conjunction with the accompanying drawings, may be more readily understood as the structure, the operation, and the further objects and advantages.

10‧‧‧ solderless connectors for coaxial micro cables

11‧‧‧Metal housing

12‧‧‧Connecting head

13‧‧‧External thread body

14‧‧‧Contact fasteners

15‧‧‧Clamping Department

20‧‧‧Connector body

22‧‧‧Insulation components

23‧‧‧ front end

24‧‧‧ Back end

25‧‧‧ curved end

26‧‧‧ receiving slot

27‧‧‧Opening

30‧‧‧Connecting terminal

31‧‧‧Slim body

32‧‧‧End

33‧‧‧ face

34‧‧‧ openings

40‧‧‧Support components

41‧‧‧ Body Department

42‧‧‧Tube end

50‧‧‧Conductive clamping elements

51‧‧‧Shade

52‧‧‧Bendable

60‧‧‧ coaxial micro cable

61‧‧‧Center conductor

62‧‧‧Insulator

63‧‧‧woven conductor

64‧‧‧ 皮皮

Figure 1 is a perspective view of the creation.

Figure 2 is a perspective sectional view of the creation.

Figure 3 is an exploded perspective view of the creation.

Figure 4 is a perspective view of the connector body of the present invention.

FIG. 5A is a perspective cross-sectional view showing that the conductive clamping member is located between the insulating member and the connecting terminal and has not been pressed.

5B is a perspective cross-sectional view showing the conductive clamping member between the insulating member and the connecting terminal, showing the conductive clamping member being pressed.

6A to 6F are diagrams showing the steps of mounting a coaxial microcable to a coaxial connector.

Fig. 7A is a cross-sectional view showing the center conductor of the coaxial microcable inserted into the present conductive holding member, showing the state in which the conductive holding member has not been pressed.

Fig. 7B is a cross-sectional view showing the center conductor of the coaxial microcable inserted in the present conductive holding member, showing the state in which the conductive holding member is pressed.

As can be seen from FIG. 6B, the end of the conventional coaxial microcable 60 can be peeled off by the cutter 64 to expose the center conductor 61, the insulator 62 and the braided conductor 63 to a portion of the length. The insulator 62 is wrapped around the center conductor 61, the braided conductor 63 is wrapped around the insulator 62, and the sheath 64 is wrapped around the braided conductor 63.

As shown in FIG. 1 to FIG. 5B, the solderless connector 10 for a coaxial micro-cable includes a metal housing 11, a connector 12, and a connector body 20 mounted inside the metal housing 11. The connector 12 is coupled to the front end of the metal casing 11. The connection interface of the SMA, the SMB, the MCX, and the MMCX can be selected. The present invention is described by the MMCX connector. The connector 12 has an externally threaded body 13. A contact fastener 14 is located at the front end of the externally threaded body 13, and a clamping portion 15 is located at the rear end of the externally threaded body 13. The contact fastener 14 is formed with a predetermined inner diameter dimension for mechanical clamping with a female connector (not shown).

The connector body 20 includes an insulating member 22, a connecting terminal 30, and a supporting member 40. The insulating member 22 has a front end portion 23, a rear end portion 24, and an arcuate end portion 25 formed between the front end portion 23 and the rear end portion 24. The curved end 25 has a receiving groove 26. The rear end portion 24 has an opening 27 leading to the receiving groove 26.

The connecting terminal 30 is inserted into the insulating member 22, and an elongated body 31 is formed at the front end portion of the insulating member 22 at the front end thereof, and a rear end portion 32 is formed at the rear end of the insulating member 22 at the rear end thereof. In the portion 24, and a dielectric portion 33 is formed between the elongated body 31 and the end portion 32, and is located in the insulation The element 22 is received in the groove 26. The elongated body 31 can be electrically connected to a female connector having an interface connector. The end portion 32 has an opening 34 that allows the center conductor 61 and the insulator 62 of the coaxial microcable 60 to pass through and the center conductor 61 to be positioned on the interfacial portion 33 (Fig. 6B).

The support member 40 is made of a metal material and has a body portion 41 and a tubular end portion 42. The inside of the body portion 41 can receive the rear end portion 24 of the insulating member 22, and the insulating member 22 is tightly coupled with the supporting member 40, as shown in FIG.

The body portion 41 can be inserted into the clamping portion 15 of the connector 12, and the clamping portion 15 can be engaged with the body portion 41 such that the supporting member 40 and the connector 12 are coupled. When the free end of the coaxial microcable 60 is inserted into the connector body 20, the braided conductor 63 of the coaxial microcable 60 is disposed in the tubular end portion 42, and a small tool can be used to apply a force to deform the tubular end portion 42. In conjunction with the braided conductor 63, the connector body 20 is grounded (Fig. 6D).

The technical feature of the solderless connector 10 for coaxial micro-cables of the present invention is that the connector body 20 further includes a conductive clamping member 50 disposed between the insulating member 22 and the connection terminal 30. The conductive clamping member 50 is U-shaped and disposed in the receiving groove 26 of the insulating member 22 and located around the face portion 33 of the connecting terminal 30. The conductive clamping member 50 has an arcuate portion 51, and a pair of bendable portions 52 extend upward from the end portions of the curved portion 51 by a predetermined length (as shown in FIGS. 3, 4, and 5A); The tool forces the bendable portion 52 to bend inwardly The deformation (as shown in FIG. 5B) is pressed onto the center conductor 61 of the coaxial microcable 60 to electrically connect the conductive clamping member 50 to the connection terminal 30 (as shown in FIGS. 6D and 7B).

6A to 6F show a method of mounting the solderless connector 10 for the present coaxial microcable to the coaxial microcable 60. First, the metal casing 11 is slid into the coaxial microcable 60 as shown in Fig. 6A. In the second step, the free end of the coaxial microcable 60 is prepared to remove a portion of the outer skin 64 such that the center conductor 61, the insulator 62 and the braided conductor 63 are exposed to a portion of the length, as shown in Fig. 6B. The free end of the coaxial microcable 60 is then inserted into the connector body 20 until the center conductor 61 is positioned on the interposer 33 of the connection terminal 30, as in Figure 6C. The tool is then used to force the bendable portion 52 of the conductive clamping member 50 to be deformed inwardly and crimped to form an electrical connection on the center conductor 61 of the coaxial microcable 60; while a force is applied to the tubular end portion 42 by the tool. The deformation is combined with the braided conductor 63 to form the connector body 20 to ground, as shown in Fig. 6D.

Then, the main body portion 41 of the supporting member 40 is inserted into the clamping portion 15 of the connecting head 12, and the clamping portion 15 is caught by the main body portion 41, so that the connecting head 12 and the supporting member 40 are combined, as shown in FIG. 6E. Shown.

Finally, the externally threaded body 13 of the connector 12 is locked into the metal housing 11. At this time, the contact fastener 14 of the connector 12 is exposed outside the metal housing 11 to provide mechanical connection with the female connector. Clamping, as shown in Figure 6F.

Although the specific embodiments of the present invention have been illustrated in detail, other variations and modifications may be readily apparent to those skilled in the art without departing from the spirit and scope of the present invention. Therefore, the following patent application In the scope, the statements made to cover all changes and modifications are within the scope of this creation.

10‧‧‧ solderless connectors for coaxial micro cables

11‧‧‧Metal housing

12‧‧‧Connecting head

14‧‧‧Contact fasteners

20‧‧‧Connector body

22‧‧‧Insulation components

23‧‧‧ front end

24‧‧‧ Back end

25‧‧‧ curved end

30‧‧‧Connecting terminal

31‧‧‧Slim body

33‧‧‧ face

34‧‧‧ openings

40‧‧‧Support components

41‧‧‧ Body Department

42‧‧‧Tube end

50‧‧‧Conductive clamping elements

51‧‧‧Shade

52‧‧‧Bendable

Claims (1)

A coaxial connector for a coaxial micro-cable, which can be used to electrically connect a coaxial micro-cable having a center conductor, an insulator covering the center conductor, and at least one braided conductor surrounding the insulator And a sheath covering the braided conductor, the connector comprising a metal housing and a connector body mounted inside the metal housing, the connector body comprising a connector, an insulating component, a connecting terminal and a a support member; the connector is characterized in that: the insulating member has a front end portion, a rear end portion, and an arcuate end portion formed between the front end portion and the rear end portion, the arc end portion having a receiving groove And a conductive clamping member disposed between the insulating member and the connecting terminal, the conductive clamping member being a U-shaped structure disposed in the receiving groove of the insulating member and located around the interface of the connecting terminal The conductive clamping member has an arcuate portion, and the pair of bendable portions extend upward from the both end portions of the curved portion by a predetermined length, and the bendable portion is forced by a small tool The curved portion is bent inwardly and is pressed against the center conductor of the coaxial microcable to form an electrical connection.