TWM631824U - Connector with metal injection molded housing - Google Patents

Abstract

A connector with a metal injection molding shell includes: a shell and a connector body. The outer shell is formed by metal injection and has a surrounding shell and a plurality of crimping elastic arms. The surrounding shell has a cavity, and these crimping elastic arms are exposed to the cavity; the connector body is inserted into the surrounding shell and has a A tongue plate, the tongue plate has at least one terminal setting surface, the connector body is located in the cavity, and the terminal setting surface of the tongue plate is opposite to each crimping elastic arm at intervals. Thereby, the effect of reducing the processing procedure and reducing the cost can be achieved.

Description

Connectors with Metal Injection Molded Housings

The present application relates to connectors, and in particular to a connector having a metal injection-molded housing.

Regarding the connector, a metal shell is wrapped around the connector body to prevent the interference of radio frequency or electromagnetic waves to the signal, so that the connector has the effect of high frequency transmission.

However, the metal shell of the conventional connector is processed and assembled from a large number of metal sheets, and each metal sheet needs to undergo some metal processing, such as metal processing to make the metal shell have the necessary crimping spring arms etc., which leads to the problem of excessive processing procedures and high cost of metal casings, which has been criticized for a long time.

Therefore, how to design the present application that can improve the above-mentioned deficiencies in the prior art is a major problem that the creator of the present application is eager to solve.

The purpose of the present application is to provide a connector with a metal injection-molded shell, which is injection-molded at least together with the crimping spring arm.

In order to achieve the above purpose, the present application provides a connector with a metal injection-molded shell, including: a shell, a metal injection-molded shell with a surrounding shell and a plurality of crimping spring arms, the surrounding shell has a cavity, the A plurality of crimping elastic arms are exposed to the cavity; and a connector body is inserted into the surrounding housing and has a tongue plate, the tongue plate has at least one terminal setting surface, and the connector body is located in the cavity, The terminal setting surface of the tongue plate and each of the crimping elastic arms are spaced apart and opposite to each other.

Compared with the prior art, the present application has the following effects: because the shell is integrally made by metal injection molding, it has the advantages of reducing the processing procedure and reducing the cost.

The detailed description and technical content of the present application are described below in conjunction with the drawings. However, the accompanying drawings are only for reference and description, and are not intended to limit the present application.

The present application provides a connector with a metal injection molding shell (hereinafter referred to as a connector), as shown in FIG. 1 to FIG. 6 for the first embodiment, and as shown in FIG. 7 to FIG. 8 for the second embodiment.

As shown in FIG. 1 to FIG. 6 , the first embodiment of the connector of the present application includes: a housing 1 and a connector body 2 , which will be described in detail later.

The housing 1 is integrally formed by metal injection molding (MIM). The casing 1 is formed by metal injection molding with a surrounding casing 11 and a plurality of crimping elastic arms 12 , preferably a plurality of ribs 13 , a plurality of fixing feet 14 and a set of rings 15 are formed by metal injection molding.

The wrapping shell 11 is formed by a plurality of shell plates surrounding each other, and these shell plates include an upper shell plate 11a and a lower shell plate 11b opposite to each other and two side shell plates 11c opposite to each other, and the wrapping shell 11 is located in these shells. A cavity 110 is formed between the shell plates (11a, 11b, 11c). It should be noted that, as shown in FIG. 5, the surrounding shell 11 has a shell inner wall 111 and a shell outer wall 112; in other words, each shell plate (11a, 11b, 11c) has a part of the shell inner wall 111 ( Reference numerals not indicated) and a portion of the housing outer wall 112 (reference numerals not indicated).

Each crimping spring arm 12 is directly formed on one of these shell plates, as shown in the figure, it is directly formed on the upper shell plate 11a. As shown in FIG. 3 , a plurality of hollow slits 11a1 are formed on the periphery of the formed upper shell 11a corresponding to the plurality of crimping elastic arms 12, and the hollow slits 11a1 are non-closed, such as long U-shaped One end of each crimping elastic arm 12 is integrally connected to the upper shell plate 11a to facilitate elastic crimping. Each crimping spring arm 12 is exposed to the cavity 110, so it can elastically crimp the top surface of the butt connector (not shown in the figure) inserted into the cavity 110, so that the connector of the present application and the butt connector are in After being inserted into each other, they have better stability (including insertion stability and conduction stability).

Each rib 13 is directly formed on one of these shell plates, and as shown in the figure, it is directly formed on the shell inner wall of the lower shell plate 11b (element symbols are not indicated), in other words, each rib 13 is fastened to the lower shell plate A part of the inner wall 111 of the shell of 11b is formed. As shown in FIGS. 3 and 5 , each formed rib 13 protrudes from the inner wall 111 of the shell, each rib 13 corresponds to each crimping elastic arm 12 and is also exposed in the cavity 110 , so it can be inserted into The bottom surface of the docking connector (not shown in the figure) in the chamber 110 is supported, so that the connector of the present application and the docking connector have better stability after being plugged into each other (including the stability of plugging and guiding ). It should be noted that, the protruding direction of each crimping spring arm 12 and each rib 13 is parallel to the plugged direction of the connector of the present application (to be plugged by the butted connector).

Each fixing leg 14 is directly formed on the surrounding shell 11, for example, directly formed on the outer shell 112 of the surrounding shell 11, and as shown in the figure, it is directly formed on the inner wall of the shell of the two side shell plates 11c (components not marked). symbol), in other words, each fixing leg 14 is formed on a part of the inner wall 111 of the casing belonging to the side casing plate 11c. As shown in FIG. 3 and FIG. 5 , the housing 1 is fixed on a circuit board (not shown in the figures) by means of the fixing feet 14 .

As shown in FIG. 3 and FIG. 5 , the collar 15 is directly formed on the inner wall 111 of the casing surrounding the casing 11 in a circular shape, so as to firmly fix the connector body 2 .

The connector body 2 includes a base body 24 (including a plurality of insulators without reference numerals), a tongue plate 21 , a plurality of upper row terminals 22 and a plurality of lower row terminals 23 .

The tongue plate 21 protrudes from the base body 24 , and the tongue plate 21 has a first terminal setting surface 211 and a second terminal setting surface 212 opposite to each other. The front section of the upper row of terminals 22 and the front section of the lower row of terminals 23 are respectively disposed on the first terminal setting surface 211 and the second terminal setting surface 212 of the tongue plate 21 . Among them, as shown in FIG. 6 , the first terminal setting surface 211 is spaced apart from each of the crimping spring arms 12 , and the second terminal setting surface 212 is spaced apart from each rib 13 , thus helping to improve the connector of the present application The stability of the mating connector after being inserted into each other (including the stability of insertion and connection).

As shown in FIG. 6 , the connector body 2 is inserted into the cavity 110 surrounding the housing 11 , so that the connector body 2 is sleeved by the collar 15 in the housing 1 , thereby lifting the housing 1 and the connector body 2 stability.

Therefore, as shown in FIG. 1 to FIG. 6 , the connector of the present application utilizes its shell 1 which is integrally formed by metal injection molding, and is not only integrally injection-molded to surround the casing 11 , but also integrally injection-molded to crimp the elastic arm. 12, and even injection molding the ribs 13, the fixing feet 14 and the collar 15 in one piece. Compared with the shell of the conventional connector, which is made by processing and assembling many metal sheets, the shell 1 of the connector of the present application is integrally formed by metal injection molding, so the connector of the present application has the advantages of reducing the processing procedure and reducing the cost advantage.

In addition, as shown in FIG. 1 , FIG. 2 and FIG. 6 , the aforementioned base body 24 has an upper plate portion 241 , and the upper plate portion 241 has an upper plate bottom surface 2411 . The above-mentioned upper row terminals 22 and lower row terminals 23 both have a welding end S, and both the welding end S of the upper row terminals 22 and the welding end S of the lower row terminals 23 are exposed on the bottom surface 2411 of the upper board. As shown in FIGS. 2 and 4 to 6 , the aforementioned wrapping case 11 has a notch 113 corresponding to the bottom surface 2411 of the upper plate, so that all the welding ends S are exposed through the notch 113 .

The notch 113 is formed by connecting the notch portion of the lower shell plate 11b (the element symbol is not shown) and the notch portion of each side shell plate 11c (the element symbol is not shown). In other words, the notch 113 of the first embodiment of the present application is U-shaped when viewed from the rear (as shown in FIG. 4 ).

As shown in FIG. 7 to FIG. 8 , this is the second embodiment of the connector of the present application. The second embodiment is substantially the same as the first embodiment, except that it further includes a back cover 3 and changes accordingly to the back cover 3 . the housing 1a and the connector body 2a.

The base body 24a of the connector body 2a has a base body bottom surface 242, and the welding ends S of the upper row terminals 22 and the welding ends S of the lower row terminals 23 are exposed on the base body bottom surface 242. The surrounding shell 11 has a notch 11b1 corresponding to the bottom surface 242 of the base, so that all the welding ends S are exposed through the notch 11b1 ; and the surrounding shell 11 also has a rear opening 115 as shown in FIG. 8 .

Wherein, the notch 11b1 is only formed on the lower shell plate 11b, in other words, the notch 11b1 of the second embodiment of the present application is in a line shape when viewed from the rear.

The rear cover 3 is a cover corresponding to the position of the rear opening 115 and is fixed to the surrounding casing 11 . The present application does not limit the fixing of the rear cover 3 and the surrounding case 11 , and in this embodiment, the following manner is used as an example for description.

The casing 1a is also formed with a plurality of limiting arms 16 by metal injection molding, and preferably a plurality of stepped grooves 114 are formed by metal injection molding. The base body 24a of the connector body 2a also has a plurality of protruding strips 243 . The rear cover 3 has a piece body 31 and a plurality of lugs 32 , the piece body 31 has a limiting hole 311 , and the lug 32 has a hole body 321 . The stepped groove 114 is recessed from the shell inner wall 111 surrounding the casing 11 and includes a first groove 1141 and a second groove 1142; the first groove 1141 corresponds to the protruding strip 243, and the second groove 1142 corresponds to the lug 32 and surrounds the first groove 1141 in a U shape, and the depth of the first groove 1141 recessed into the inner wall 111 of the case is greater than the depth of the second groove 1142 recessed into the inner wall 111 of the case .

The rear cover 3 is assembled on the rear side of the base body 24 a , so that the protruding strips 243 are inserted into the holes 321 of the lugs 32 correspondingly. It should be noted that the back cover 3 can also be formed by metal injection molding.

The connector body 2a is inserted into the cavity 110 surrounding the housing 11 with the rear cover 3, so that the protruding strips 243 are correspondingly embedded in the first grooves 1141, and the lugs 32 are correspondingly embedded in the second grooves 1141. In the groove 1142 , the plurality of limit arms 16 are correspondingly inserted into the limit holes 311 . In this way, the rear cover 3 can be covered and fixed to the surrounding casing 11 corresponding to the rear opening 115 , and the connector body 2 a can be sealed between the housing 1 a and the rear cover 3 .

Thereby, the connector body 2a can be shielded by the housing 1a and the rear cover 3 to have an electromagnetic interference preventing effect superior to that of the first embodiment.

To sum up, the connector of the present application with metal injection molding shell can indeed achieve the intended purpose of use, and solve the lack of conventional knowledge, and fully meet the requirements for a new type patent application. The patent in this case is granted to protect the rights of the creator of this application.

The above descriptions are only preferred embodiments of the present application, which do not limit the scope of the patent of the present application. Any equivalent structural changes made by using the contents of the description and drawings of the present application are all deemed to be included in the present application. Within the scope of the rights, it is hereby stated.

1,1a: Shell 11: Wrap the shell 11a: Upper shell plate 11a1: Hollow seam body 11b: Lower shell plate 11b1: Gap 11c: Side shell plate 110: Chamber 111: Shell inner wall 112: Shell outer wall 113: Gap 114: Hierarchy Groove 1141: First groove 1142: Second groove 115: rear opening 12: crimp spring arm 13: Ribs 14: Fixed feet 15: Collar 16: Limit arm 2,2a: Connector body 21: Tongue plate 211: The first terminal setting surface 212: The second terminal setting surface 22: Upper row terminals 23: Lower row terminals 24,24a: Seat body 241: Upper Board 2411: Bottom of upper plate 242: Bottom of seat body 243: Rib 3: Back cover 31: sheet body 311: limit hole 32: lugs 321: Pore body S: Solder end

FIG. 1 is a schematic three-dimensional view of the first embodiment of the present application when viewed from above.

FIG. 2 is a schematic perspective view of the first embodiment of the present application when viewed from the bottom.

FIG. 3 is a three-dimensional schematic view of the casing in the first embodiment of the present application when viewed from above.

FIG. 4 is a three-dimensional schematic view of the casing in the first embodiment of the present application when viewed from the bottom.

FIG. 5 is a schematic cross-sectional view of the housing in the first embodiment of the present application.

FIG. 6 is a schematic cross-sectional view of the first embodiment of the application.

FIG. 7 is a schematic three-dimensional assembly diagram of the second embodiment of the present application.

FIG. 8 is a schematic exploded perspective view of the second embodiment of the present application.

1: Shell

11: Wrap the shell

11a: Upper shell plate

11b: Lower shell plate

11c: Side shell plate

110: Chamber

12: crimp spring arm

14: Fixed feet

2: Connector body

21: Tongue plate

211: The first terminal setting surface

22: Upper row terminals

24: seat body

241: Upper Board

Claims (19)

A connector comprising: a shell, which is injection-molded with metal and has a surrounding casing and a plurality of crimping elastic arms, the surrounding casing has a cavity, and the plurality of crimping elastic arms are exposed to the cavity; and A connector body is inserted into the surrounding housing and has a tongue plate, the tongue plate has at least one terminal setting surface, the connector body is located in the cavity, and the terminal setting surface of the tongue plate is connected with each of the terminal setting surfaces. The crimping spring arms are spaced and opposite to each other. The connector of claim 1, wherein the surrounding shell further has a plurality of shell plates surrounding each other, and the plurality of crimping spring arms are formed on one of the shell plates. The connector of claim 2, wherein the plurality of shell plates comprise an upper shell plate, the plurality of crimping spring arms are formed on the upper shell plate, and the upper shell plate is formed with a plurality of Hollow seam body. The connector as claimed in claim 1, wherein the shell is further formed with a plurality of ribs by metal injection molding, and the plurality of ribs and the plurality of crimping spring arms are spaced and opposite to each other. The connector of claim 4, wherein the surrounding housing further has a plurality of shell plates surrounding each other, the plurality of crimping spring arms are formed in one of the shell plates, and the plurality of ribs are formed in the other of the shell plates Formed with one of the shell panels and the other of the shell panels facing each other. The connector of claim 5, wherein the plurality of shell plates comprises a lower shell plate, the lower shell plate has a shell inner wall, and the plurality of ribs are formed on the shell inner wall of the lower shell plate. The connector as claimed in claim 1, wherein the housing is further formed with a plurality of fixing feet by metal injection molding. The connector of claim 7, wherein the surrounding shell has a shell outer wall, and the plurality of fixing feet are formed on the shell outer wall of the surrounding shell. The connector of claim 1, wherein the connector body further has a plurality of upper row terminals, and the plurality of upper row terminals are arranged on the terminal arrangement surface of the tongue plate. The connector according to claim 9, wherein the terminal setting surfaces are two sets, the connector body further has a plurality of lower row terminals, the plurality of upper row terminals and the plurality of lower row terminals are respectively arranged on the two terminal setting surfaces . The connector of claim 9, wherein the connector body further has a seat, the seat is connected to the tongue plate and has an upper plate portion, the upper plate portion has an upper plate bottom surface, and the upper row of terminals has a welding end, the welding ends of the plurality of upper row terminals are all exposed from the bottom surface of the upper board, and the surrounding shell has a gap corresponding to the bottom surface of the upper board. The connector of claim 11, wherein the wrapping housing further has an upper shell plate, a lower shell plate and two side shell plates surrounding each other, and the notch is formed in the lower shell plate and the two side shell plates. The connector according to claim 9, wherein the connector body further has a seat, the seat is connected to the tongue plate and has a bottom surface of the seat, the upper row of terminals has a welding end, and the plurality of upper row of terminals has the The welding ends are all exposed from the bottom surface of the base body, and the surrounding shell has a gap corresponding to the bottom surface of the base body. The connector of claim 13, wherein the wrapping housing further has an upper shell plate, a lower shell plate and two side shell plates surrounding each other, and the notch is formed in the lower shell plate. The connector of claim 13 further comprises a rear cover, the surrounding casing has a rear opening, and the rear cover is fixed to the surrounding casing corresponding to the position of the rear opening. The connector as claimed in claim 15, wherein at least one limiting arm is formed by injection molding of metal on the housing, and a piece extends from the back cover, and the sheet has a limiting hole corresponding to the at least one limiting arm , the at least one limiting arm is correspondingly inserted into the limiting hole. The connector of claim 15, wherein at least one protruding strip protrudes from the base, at least one protruding lug extends from the rear cover, the protruding lug forms a hole corresponding to the protruding strip, and the at least one protruding strip corresponds to embedded in the at least one hole. The connector of claim 17, wherein the surrounding shell has a shell inner wall, and the shell inner wall is recessed with at least one step groove corresponding to the at least one protruding strip and the at least one lug, and the at least one The protruding strip and the at least one lug are correspondingly embedded in the at least one level groove. The connector of claim 18, wherein the stepped grooves comprise a first groove and a second groove with different depths of depressions, the second groove is surrounding the first groove, the The protruding strip is embedded in the first groove, and the lug is embedded in the second groove.

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