TWI841214B - Monolithic housing structure of a connertor - Google Patents

Abstract

The present disclosure provides a monolithic housing structure of a connector, which provides a monolithic design for inner and outer housing. The monolithic housing structure comprises a body housing. The body housing is provided with an inner housing and outer housing. The inner housing is embedded in the outer housing. The outer housing is snapped on the inner housing. The inner housing is provided with an insert hole. The inner housing is provided with an insulation seat. The inner housing is closure annular and cylindrical. The inner housing comprises an arc side wall. The arc side wall is provided between the top side and bottom side of inner housing. Two sides of the inner housing are provided with the arc side wall. The top side of the inner housing is provided with a backward extended element. The backward extended element is provided on one side of inner housing away from the insert hole. The backward extended element is provided on the top side of the inner housing and extends backward from the top side of the inner housing. A folding connected element which extends backward is provided on one side of the outer housing away from the insert hole. By way of the folding connected element, the outer housing connects the backward extended element. The present disclosure reduces design cost by way of reduce a mold. The inner and outer fabrication station are not necessary by way of this design, thereby lowering the manufacture cost and theelectroplating cost.

Description

One-piece housing structure of connector

The present invention relates to the field of connector technology, and in particular to a connector housing inner and outer iron shell integrated structure design technology.

Connectors are mainly installed on computer peripherals, servers, routers, switching equipment and other products. They are used to transmit data and connect peripherals, and are widely used in the fields of networking, communications, and automation control.

As electronic products become more and more versatile and the market develops in a diversified way, the requirements for product structure increase, and the requirements for connector manufacturing optimization and stability become higher and higher. In the conventional TYPE-C connector structure design, the inner and outer iron shells of the conventional TYPE-C connector are separated and designed separately, requiring two sets of molds, which will increase the process steps and the cost.

In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a one-piece structural design scheme for the inner and outer iron shells of a connector. The inner and outer iron shells are designed as a one-piece, and the folded material of the inner iron shell in the workpiece is used as an outer iron shell, and after folding, a one-piece iron shell is obtained (inner and outer iron shells are integrated).

To achieve the above purpose, the present invention adopts the following technical solutions:

An integrated housing structure of a connector includes a housing, which includes an inner housing and an outer housing; the housing is composed of the inner housing and the outer housing, the inner housing is embedded in the outer housing, and the outer housing is buckled on the inner housing; an insertion interface is provided at one end of the inner housing, and an insulating seat is provided in the inner housing;

The inner shell is in a closed ring cylindrical shape and includes a side arc wall, the side arc wall is arranged between the upper and lower surfaces of the inner shell, and the side arc wall is arranged on both sides of the inner shell;

The top surface of the inner shell (between the two side arc walls) is provided with a rear extension portion extending backwards, and the rear extension portion is arranged at an end of the inner shell far from the plug interface; the rear extension portion is extended backwards from the top surface of the inner shell;

The outer shell is provided with a folding connection portion extending (protruding) backward at one end away from the plug interface, and the outer shell is connected to the rear extension portion through the folding connection portion.

Furthermore, in some embodiments, a downwardly bent insert is provided on both sides of the rear extension, a positioning notch is provided at the connection (corner) between the rear extension and the insert, and the positioning notch is provided at one end of the rear extension away from the plug interface;

The insulating seat body is provided with a tongue plate at one end facing the plug port, and the tongue plate is arranged in the plug port;

The end of the insulating seat body far from the tongue plate is provided with a positioning block which matches and corresponds to the positioning notch, and the positioning block is clamped in the positioning notch.

Furthermore, in some embodiments, an end of the side arc wall away from the plug interface is provided with an extended inwardly bent card, and the insulating seat is provided with a card slot matching and corresponding to the inwardly bent card, and the bent buckle end (lower end) of the inwardly bent card is pressed and set in the card slot;

A certain distance is set between one end (upper end) of the inner-bend card close to the rear extension and the rear extension, and the distance between the end of the inner-bend card and the rear extension forms a guide position; a guide block is set on the insulating seat, and the guide block is inserted in the guide position between the inner-bend card and the rear extension.

Furthermore, in some embodiments, the outer shell is provided with half side walls on both sides, the half side walls (enclosing) are arranged on the outer side of the side arc wall, and the height of the half side walls is less than the height of the side arc wall;

The half side wall is provided with a bent foot bent downward at one end close to the plug port, and the bent foot extends outward and is arranged at the outer side of the half side wall.

Furthermore, in some embodiments, the half side wall is aligned with the inner curved card end surface at one end away from the plug-in port, and the insert is disposed close to the end of the half side wall at one side close to the plug-in port.

Furthermore, in some embodiments, both sides of the extension portion extend outside the side arc wall, the plane projection of the insert is located outside the side arc wall, and the side surface of the insert is (close to) located in the same plane as the side surface of the half side wall.

Furthermore, in some embodiments, a limiting protrusion protruding inward is provided on the inner wall of the inner shell, and a limiting groove matching and corresponding to the limiting protrusion is provided on the insulating seat, and the limiting protrusion is tightly arranged in the limiting groove.

Furthermore, in some embodiments, a baffle is provided on both sides of the insulating seat away from one end of the tongue plate, and the inner wall of the insert is closely arranged on the baffle; and the baffle is closely arranged on the inner curved card toward one end of the tongue plate.

Furthermore, in some embodiments, a terminal group is provided in the insulating base body, and an isolation plate is sandwiched between the terminal groups; a set of matching first terminal carriers and second terminal carriers are provided on both sides of the terminal group, and the terminal group and the isolation plate assembly is embedded between the first terminal carrier and the second terminal carrier, and a fixed shell is provided on the outer side of the first terminal carrier and the second terminal carrier; the first terminal carrier, the second terminal carrier and the fixed shell are embedded in the insulating base body.

A method for forming an integrated housing structure of a connector, the method is as follows:

S1. After the plate is punched, a formed workpiece is obtained. The formed workpiece is composed of the inner shell and the outer shell connected together. The plate is formed into an integrated connecting piece of the inner shell and the outer shell;

S2, the formed workpiece enters the folding station and undergoes the folding process of the folding station;

S3, folding the outer shell, and folding the outer shell tightly onto the inner shell; the outer shell and the inner shell are connected through the folded connection part;

S4. Obtain an integrated housing.

The present invention is applied to a USB TYPE-C connector, improves the shell structure design, adopts an integrated design of inner and outer iron shells, and the folded material of the inner iron shell is used as the outer iron shell, as shown in Figure 3. The plate is formed by stamping to obtain a formed workpiece, and then passes through a folding station (folding) to obtain an integrated iron shell (inner and outer iron shells are integrated). This reduces a set of molds, reduces design costs, reduces the stations for assembling the inner and outer iron shells, and reduces manufacturing costs. In addition, there is no need to electroplate the inner and outer iron shells separately, which reduces the electroplating cost.

In order to further understand the features, technical means, and specific purposes and functions of the present invention, the embodiments in this application and the features in the embodiments can be combined with each other without conflict. In order to further understand the features, technical means, and specific purposes and functions of the present invention, and analyze the advantages and spirit of the present invention, the following detailed description of the present invention in combination with the attached drawings and specific implementation methods can be further understood.

It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time.

The terms "vertical", "horizontal", "front", "rear" and similar expressions used in this article are for illustrative purposes only and do not represent the only implementation method.

The present invention includes a shell 10, which includes an inner shell 11 and an outer shell 12; in other words, the shell 10 is composed of the inner shell 11 and the outer shell 12, the inner shell 11 is embedded in the outer shell 12, and the outer shell 12 is buckled on the inner shell 11; one end of the inner shell 11 is provided with a plug port 33, an insulating seat body 21 is provided in the inner shell 11, and one end of the insulating seat body 21 facing the plug port 33 is provided with a tongue plate 25, and the tongue plate 25 is arranged in the plug port 33.

As shown in Figures 1, 4, 5, 7 to 9 and 11.

Furthermore, in an embodiment, a terminal group 22 is provided in the insulating base body 21, as shown in FIG. 10, and an isolation plate 23 is sandwiched between the terminal group 22; a first terminal carrier 35 and a second terminal carrier 37 are provided on both sides of the terminal group 22, and the terminal group 22 and the isolation plate 23 combination are embedded between the first terminal carrier 35 and the second terminal carrier 37, and a fixed shell 36 is provided on the outer side of the first terminal carrier 35 and the second terminal carrier 37; the first terminal carrier 35, the second terminal carrier 37 and the fixed shell 36 are embedded in the insulating base body 21.

Furthermore, in one embodiment, the inner shell 11 is in a closed ring cylindrical shape, and the inner shell 11 includes a side arc wall 32, and the side arc wall 32 is arranged between the upper and lower surfaces of the inner shell 11, that is, the side arc wall 32 is arranged on both sides of the inner shell 11. The top surface of the inner shell 11 (between the side arc walls 32 on both sides) is provided with a rear extension portion 18 extending backward, and the rear extension portion 18 is arranged at an end of the inner shell 11 away from the plug port 33; further, the rear extension portion 18 is extended backward from the top surface of the inner shell 11.

The outer shell 12 is provided with a folded connection portion 16 extending (protruding) backward at one end away from the plug port 33, and the outer shell 12 is connected to the rear extension portion 18 through the folded connection portion 16. The outer shell 12 is provided with a half side wall 19 on both sides, and the half side wall 19 (enclosing) is arranged on the outer side of the side arc wall 32. As shown in FIG. 2, the height of the half side wall 19 is less than the height of the side arc wall 32.

A bent foot 15 is provided at one end of the semi-side wall 19 close to the plug-in port 33 , and the bent foot 15 extends outward and is disposed at the outer side of the semi-side wall 19 .

An end of the side arc wall 32 away from the insertion port 33 is provided with an extended inward-bending card 13, and a card slot 28 matching and corresponding to the inward-bending card 13 is provided on the insulating seat 21, and the bent buckle end (lower end) of the inward-bending card 13 is pressed and set in the card slot 28; a certain distance is set between the end (upper end) of the inward-bending card 13 close to the extension part 18 and the extension part 18, and a guide position is formed between the end of the inward-bending card 13 and the extension part 18; a guide block 27 is provided on the insulating seat 21, and the guide block 27 is inserted in the guide position between the inward-bending card 13 and the extension part 18, and the guide block 27 is equivalent to a card plug-in.

Furthermore, in an embodiment, a plug 14 bent downward is provided on both sides of the extension 18, and a positioning notch 17 is provided at the connection (corner) between the extension 18 and the plug 14. The positioning notch 17 is provided at one end of the extension 18 away from the plug port 33; the end of the insulating seat 21 away from the tongue plate 25 is provided with a positioning block 24 matching the positioning notch 17, and the positioning block 24 is clamped in the positioning notch 17.

The end of the semi-side wall 19 away from the insertion port 33 is flush with the end surface of the inner curved card 13, and the inserting piece 14 is arranged close to the end of the semi-side wall 19 near the insertion port 33; the side surface of the inserting piece 14 and the side surface of the semi-side wall 19 are (close to) located in the same plane.

The two sides of the extension 18 extend outside the side arc wall 32. As shown in FIG. 2, the insert 14 is located outside the side arc wall 32. The insert 14 and the half side wall 19 are located in (close to) the same plane, that is, the side surface of the insert 14 is horizontally flush with the side surface of the half side wall 19.

Furthermore, in an embodiment, a limiting protrusion 31 protruding inward is provided on the inner wall of the inner shell 11, and a limiting groove 29 matching and corresponding to the limiting protrusion 31 is formed on the insulating seat 21, and the limiting protrusion 31 is tightly disposed in the limiting groove 29.

The insulating seat 21 is provided with a baffle wall 26 on both sides away from one end of the tongue plate 25, and the inner wall of the insert 14 is closely arranged on the baffle wall 26; the baffle wall 26 is closely arranged on the inner curved card 13 at one end facing the tongue plate 25, and the baffle wall 26 is used to locate the insulating seat 21 and the inner shell 11 in the card-embedded assembly position.

As shown in FIG. 3 , the present invention uses a sheet material that is formed by stamping and then passes through a folding station to obtain an integrated iron shell (inner and outer iron shells are integrated):

S1. After the plate is punched, a formed workpiece is obtained. The formed workpiece (the shell 10, see FIG6 ) is composed of the inner shell 11 and the outer shell 12 connected together, that is, the plate is formed into an integrated inner shell 11 punching part and the outer shell 12 folding material;

S2, the formed workpiece enters the folding station and undergoes the folding process of the folding station;

S3, folding the outer shell 12, and folding the outer shell 12 to press it tightly on the inner shell 11; the outer shell 12 and the inner shell 11 are connected through the folded connecting portion 16;

S4, obtaining the integrated shell 10 (inner and outer iron shells integrated).

The above embodiments only express a plurality of preferred embodiments of the present invention, and the description thereof is relatively specific and detailed. It should be understood that the present invention is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the invention concept described herein through the above teachings or the technology or knowledge in the relevant fields, and should not be understood as limiting the scope of the present invention. It should be pointed out that for ordinary technicians in this field, multiple variations and improvements can be made without departing from the concept of the present invention. The changes and modifications made by the personnel in this field do not depart from the spirit and scope of the present invention, and all of these belong to the scope of protection of the claims attached to the present invention. Therefore, the protection scope of the patent of this invention shall be based on the attached claims.

10: Shell 11: Inner shell 12: Outer shell 13: Inner bending card 14: Insert 15: Bend foot 16: Folding connection part 17: Positioning notch 18: Rear extension 19: Half side wall 21: Insulating seat 22: Terminal set 23: Isolation sheet 24: Positioning block 25: Tongue plate 26: Stop wall 27: Guide block 28: Slot 29: Limiting groove 31: Limiting protrusion 32: Side arc wall 33: Plug interface 35: First terminal carrier 36: Fixed shell 37: Second terminal carrier

The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings: Figure 1 is a structural diagram of the shell part of the embodiment of the present invention; Figure 2 is a comparative schematic diagram of the two end surfaces of the shell part of the embodiment of the present invention; Figure 3 is a schematic diagram of the molding of the shell part of the embodiment of the present invention; Figure 4 is a schematic diagram of the embodiment of the present invention; Figure 5 is a schematic diagram of the assembly of the embodiment of the present invention; Figure 6 is a schematic diagram of the stamping workpiece of the shell part of the embodiment of the present invention; Figure 7 is a three-dimensional schematic diagram of the embodiment of the present invention; Figure 8 is a decomposition schematic diagram of the embodiment of the present invention; Figure 9 is a three-dimensional schematic diagram of the shell part of the embodiment of the present invention; Figure 10 is an assembly diagram of the terminal group part of the embodiment of the present invention; and Figure 11 is a schematic diagram of the insulating seat part of the embodiment of the present invention.

10: Shell

11: Inner shell

12: Shell

13: Inward-bending card

14: Insert

15: Bend your legs

16: Folding connection part

17: Positioning gap

18: Extension

19: Half lateral wall

32: Side arc wall

Claims (7)

A one-piece housing structure of a connector comprises: a housing (10), the housing (10) comprising an inner housing (11) and an outer housing (12); the inner housing (11) is embedded in the outer housing (12), and the outer housing (12) is buckled on the inner housing (11); one end of the inner housing (11) is provided with an insertion port (33), and the inner housing (11) is provided with an insulating seat (21); the inner housing (11) comprises a side arc wall ( 32), the side arc wall (32) is arranged between the upper and lower surfaces of the inner shell (11); the top surface of the inner shell (11) is provided with a rearwardly extending portion (18), the rearwardly extending portion (18) is arranged at an end of the inner shell (11) far from the plug interface (33); the rearwardly extending portion (18) is extended backward from the top surface of the inner shell (11); and the end of the outer shell (12) far from the plug interface (33) is provided with a folded connecting portion (16) extending backward, The outer shell (12) is connected to the rear extension (18) via the folding connection portion (16); a half side wall (19) is provided on both sides of the outer shell (12); the half side wall (19) is arranged on the outer side of the side arc wall (32); the height of the half side wall (19) is less than the height of the side arc wall (32); the half side wall (19) is provided with a downwardly bent foot (15) at one end close to the plug port (33); the bent foot (15) extends outward and is arranged on the side of the plug port (33); The outer side of the half side wall (19), the end of the half side wall (19) far from the plug interface (33) is flush with the end face of an inwardly curved card (13); an insert (14) is arranged close to the end of the half side wall (19) near one side of the plug interface (33), the two sides of the extension (18) extend outside the side arc wall (32), the insert (14) is located outside the side arc wall (32), and the side surface of the insert (14) and the side surface of the half side wall (19) are located in the same plane. The one-piece housing structure of the connector as described in claim 1, wherein the two sides of the rear extension (18) are provided with a plug (14) bent downward, and a positioning notch (17) is provided at the connection between the rear extension (18) and the plug (14), and the positioning notch (17) is provided at one end of the rear extension (18) away from the plug interface (33); The end of the insulating seat (21) facing the plug interface (33) is provided with a tongue plate (25), and the tongue plate (25) is provided in the plug interface (33); and the end of the insulating seat (21) away from the tongue plate (25) is provided with a positioning block (24) matching the positioning notch (17), and the positioning block (24) is stuck in the positioning notch (17). The one-piece housing structure of the connector as described in claim 1, wherein the end of the side arc wall (32) away from the plug interface (33) is provided with an extended inwardly bent card (13), and the insulating seat (21) is provided with a card slot (28) matching and corresponding to the inwardly bent card (13), and the bent buckle end of the inwardly bent card (13) is pressed and arranged in the card slot (28); the inwardly bent card (13) has a certain distance between one end close to the rear extension (18) and the rear extension (18), and the distance between the end of the inner bending card (13) and the rear extension (18) forms a guide position; and a guide block (27) is provided on the insulating seat (21), and the guide block (27) is inserted in the guide position between the inner bending card (13) and the rear extension (18). The one-piece housing structure of the connector as described in claim 1, wherein the inner wall of the inner housing (11) is provided with a limiting protrusion (31) protruding inwardly, and the insulating seat (21) is provided with a limiting groove (29) matching and corresponding to the limiting protrusion (31), and the limiting protrusion (31) is tightly arranged in the limiting groove (29). The one-piece housing structure of the connector as described in claim 2, wherein the insulating seat (21) is provided with a baffle (26) on both sides of one end away from the tongue plate (25), the inner wall of the insert (14) is closely arranged on the baffle (26); and the baffle (26) is closely arranged on the inner curved card (13) at one end facing the tongue plate (25). The one-piece housing structure of the connector as described in claim 1, wherein a terminal set (22) is provided in the insulating seat (21), and an isolation plate (23) is sandwiched between the terminal set (22); a first terminal carrier (35) and a second terminal carrier (37) are provided on both sides of the terminal set (22) for matching engagement, and the terminal set (22) and the isolation plate (23) assembly are embedded between the first terminal carrier (35) and the second terminal carrier (37). The one-piece housing structure of the connector as described in claim 6, wherein the first terminal carrier (35) and the second terminal carrier (37) are provided with a fixed housing (36) on the outer side; the first terminal carrier (35), the second terminal carrier (37) and the fixed housing (36) are embedded and molded in the insulating seat (21).