CN206992413U - A structurally stable connector - Google Patents

Abstract

The utility model discloses a connector with stable structure, which comprises an outer shell and an inner assembly arranged inside the outer shell, wherein the inner assembly comprises an inner shell, a plurality of terminals and a connecting piece arranged along the width direction of the connector, and the connecting piece comprises a middle beam and elastic strips arranged at the two end parts of the middle beam; a plurality of mounting grooves are integrally formed in the inner shell, and different terminals are respectively arranged in different mounting grooves in parallel; the two sides of the inner shell are provided with accommodating grooves, the elastic strips are positioned in the accommodating grooves, the side faces, facing the terminals, of the front end parts of the elastic strips are provided with side clamping protrusions, and the connecting pieces and the outer shell are fixed through laser welding. Compared with the prior art, because the utility model discloses an adopted laser welding's fixed mode between shell and the connecting piece, this fixed mode is very stable, can not produce any relative movement between shell and the connecting piece, consequently can ensure that connector plug direction can not be crooked, has also ensured that the inside circuit contact of connector is good.

Description

A structurally stable connector

technical field

The utility model relates to the technical field of connectors, in particular to a connector with stable structure.

Background technique

With the popularization of a large number of servers and personal computers that support USB, it is the general trend that USB gradually becomes the standard interface of PCs. The Chinese meaning of USB (Universal Serial Bus) is "Universal Serial Bus", which is a new interface technology applied in the field of PC. As a PC interconnection protocol widely used, USB makes the connection of peripherals to computers more efficient and convenient. Peripherals such as keyboards, mice, modems, printers, etc. are generally connected to the computer through USB connectors. The USB connector has the characteristics of fast transmission speed, support for hot plugging and connection of multiple devices, and has been widely used in various external devices. With the development of technology, USB has gone through multiple generations of development. The full name of the USB-C interface is USB Type-C, which belongs to the next-generation interface of USB 3.0. Its highlights lie in its slimmer design and faster transmission speed (up to Up to 10Gbps), stronger power transmission (up to 100W), and the USB-C interface also supports double-sided insertion, which is more advanced than USB2.0/USB3.0 and realizes high-speed signal transmission.

The existing USB Type-C connector, as shown in FIG. 1 , generally includes an outer shell 01 and an inner component arranged inside the outer shell 01. The inner component includes an inner shell 02, a plurality of terminals 03, and is placed along the width direction of the connector. The connector 04 of the inner shell 02 is integrally formed with a plurality of installation grooves, and different terminals 03 are arranged side by side in different installation grooves. The rear end of the terminal 03 is connected with a PCB board 05 . The connecting piece 04 includes a middle beam and elastic strips arranged at both ends of the middle beam; the front end of the elastic strip is provided with a side locking protrusion on the side facing the terminal 03 for fastening the plug-in connector. As for the fixing between the shell 01 and the connector 04, as shown in Figure 1, the prior art generally stamps and forms an inward-facing protrusion 011 on the side of the shell 01, and there is a protrusion 011 on the side wall of the connector 04. Matching groove 041. In addition, a hook is provided on the housing 01, a through hole is provided on the connector 04, and the hook is used to hook the through hole. However, these two structures are unstable, and it is easy to cause the direction of plugging and unplugging to be skewed, and the feel is not good, which may lead to poor contact of the line.

Contents of the invention

In view of the above-mentioned technical problems in the prior art, the utility model provides a structurally stable connector that is stably fixed between the shell and the connector, ensures that the plugging and unplugging direction will not be skewed, and ensures good line contact.

In order to achieve the above object, the utility model provides the following technical solutions:

A structurally stable connector is provided, which includes an outer shell and an inner component arranged inside the outer shell, the inner component includes an inner shell, a plurality of terminals, and connecting pieces placed along the width direction of the connector, the connecting piece includes a middle beam and is arranged on the middle beam The elastic strips at both ends of the inner shell; there are multiple installation slots integrally formed inside the inner shell, and different terminals are arranged side by side in different installation slots; there are accommodation slots on both sides of the inner shell, and the elastic strips are located in the accommodation In the slot, side locking protrusions are provided on the side facing the terminal at the front end of the elastic strip, and the connecting piece and the housing are fixed by laser welding.

Wherein, the connector is provided with a first welding portion, and the inner wall of the housing is provided with a corresponding second welding portion, the first welding portion and the second welding portion are planes parallel to each other, and the first welding portion and the second welding portion The welded parts are fixed by laser welding.

Wherein, both sides of the connector are provided with first welding parts, and both side walls of the housing are provided with corresponding second welding parts.

Wherein, the middle beam is provided with insulating blocks.

Wherein, the insulating block is a plastic part injection-molded on the middle beam.

Wherein, the inner shell is provided with a positioning protrusion, and the outer shell is provided with a positioning groove corresponding to the positioning protrusion.

The beneficial effects of the utility model:

A structurally stable connector of the present utility model comprises an outer shell and an inner component arranged inside the outer shell, the inner component includes an inner shell, a plurality of terminals and connecting pieces placed along the width direction of the connector, the connecting piece includes a middle beam and a set The elastic strips at both ends of the middle beam; the interior of the inner shell is integrally formed with multiple installation grooves, and different terminals are arranged side by side in different installation grooves; there are accommodation grooves on both sides of the inner shell, and the elastic strips Located in the accommodating groove, the side of the front end of the elastic strip facing the terminal is provided with a side locking protrusion, and the connecting piece and the shell are fixed by laser welding. Compared with the prior art, since the fixing method of laser welding is adopted between the outer casing and the connecting piece of the utility model, the fixing method is very stable, and there will be no relative movement between the outer casing and the connecting piece, so the connection can be guaranteed The plugging direction of the connector will not be skewed, and it also ensures that the lines inside the connector are in good contact.

Description of drawings

FIG. 1 is a schematic structural diagram of a connector in the prior art.

Fig. 2 is a cross-sectional view of a structurally stable connector of the present invention.

Fig. 3 is an exploded view of a structurally stable connector of the present invention.

Fig. 4 is a perspective view of an inner shell of a structurally stable connector of the present invention.

Reference numerals in Fig. 1:

Shell 01, protrusion 011, inner shell 02, terminal 03, connector 04, groove 041, PCB board 05.

Reference numerals in Fig. 2 to Fig. 4:

Shell 1, second welding part 11, positioning groove 12;

Inner shell 2, installation groove 21, accommodating groove 22, positioning protrusion 23;

Terminal 3;

The connecting piece 4 , the middle beam 41 , the elastic strip 42 , the side locking protrusion 421 , the first welding portion 43 , and the insulating block 44 .

detailed description

The utility model is described in detail below in conjunction with specific embodiments and accompanying drawings.

A structurally stable connector of this embodiment, as shown in Figures 2 to 4, includes an outer shell 1 and an inner assembly disposed inside the outer shell 1, the inner assembly includes an inner shell 2, a plurality of terminals 3, and a connector along the width of the connector. The connecting piece 4 placed in the direction, the connecting piece 4 includes a middle beam 41 and elastic strips 42 arranged at both ends of the middle beam 41; the inside of the inner shell 2 is integrally formed with a plurality of installation grooves 21, and different terminals 3 are arranged side by side The cloth is placed in different installation grooves 21; the two sides of the inner shell 2 are provided with accommodating grooves 22, the elastic strip 42 is located in the accommodating groove 22, and the side of the front end of the elastic strip 42 facing the terminal 3 is provided with a side locking protrusion 421 . Both sides of the connector 4 are provided with a first welding portion 43, and the inner walls of the housing 1 are provided with corresponding second welding portions 11, the first welding portion 43 and the second welding portion 11 are planes parallel to each other, and the first welding portion 43 and the second welding portion 11 are mutually parallel planes. The welding part 43 and the second welding part 11 are fixed by laser welding, and the plane is convenient for welding. Compared with the prior art, since the fixing method of laser welding is adopted between the casing 1 and the connecting piece 4 of the present invention, the fixing method is very stable, and there will be no relative movement between the casing 1 and the connecting piece 4, Therefore, it can be ensured that the plugging and unplugging direction of the connector will not be skewed, and it is also ensured that the lines inside the connector are in good contact.

In this embodiment, the middle beam 41 is provided with an insulating block 44. The insulating block 44 is a plastic part injection-molded on the middle beam 41. On the one hand, the plastic part can resist the terminal 3 to prevent the terminal 3 from receding. On the other hand, the insulating block 44 is located at The pins of terminal 3 can effectively prevent short running between pins.

In this embodiment, the inner shell 2 is provided with a positioning protrusion 23, and the outer shell 1 is provided with a positioning groove 12 corresponding to the positioning protrusion 23, which facilitates quick positioning and assembly, and laser welding is performed after positioning.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, rather than limiting the protection scope of the present utility model. Personnel should understand that the technical solution of the utility model can be modified or equivalently replaced without departing from the essence and scope of the technical solution of the utility model.

Claims (6)

1. a kind of constitutionally stable connector, including shell and inner assembly inside the housing is set, inner assembly includes inner casing, more Individual terminal and the connector placed along connector width, connector include intermediate beam and are arranged on the both ends of intermediate beam Elastic strip；Integrally formed with multiple mounting grooves, different terminals distinguishes laid out in parallel in different mounting grooves for the inside of inner casing It is interior；The both sides of inner casing are provided with storage tank, and elastic strip is located in storage tank, and the side towards terminal of the leading section of elastic strip is set There is side card convex, it is characterized in that：Fixed between the connector and the shell by laser welding.

2. a kind of constitutionally stable connector according to claim 1, it is characterized in that：The connector is provided with the first weldering Socket part, the madial wall of the shell are provided with corresponding second weld part, the first weld part and the second weld part to be parallel to each other Plane, fixed between the first weld part and the second weld part by laser welding.

3. a kind of constitutionally stable connector according to claim 2, it is characterized in that：The both sides of connector are provided with One weld part, the two side of shell are provided with corresponding second weld part.

4. a kind of constitutionally stable connector according to claim 1, it is characterized in that：The intermediate beam is provided with insulation Block.

5. a kind of constitutionally stable connector according to claim 4, it is characterized in that：The collets are to be molded in The plastic parts of intermediate beam.

6. a kind of constitutionally stable connector according to claim 1, it is characterized in that：The inner casing is provided with convex Rise, the shell is provided with the locating slot corresponding with the positioning convex.