CN214336994U - Connector shell - Google Patents

Abstract

The utility model discloses a connector shell, include by upper wall, lower wall, left wall, right wall enclose the casing of establishing and forming, the casing front end forms the interface, the connector casing is including setting up a plurality of electromagnetic shield pieces on four walls to interface department, and each electromagnetic shield piece is including the first shell fragment and the second shell fragment of connection, first shell fragment and second shell fragment are fixed in to the kneck after bending through the junction reverse, its characterized in that: first shell fragment includes first elastic contact portion and the fixed part that extends backward from first elastic contact portion, be provided with a plurality of trompils on the casing, be equipped with the fixed arm that extends to in the trompil on the casing in the trompil, the fixed part that first elastic contact portion extends backward is fixed in on the fixed arm, the utility model has the advantages of rational in infrastructure, it is stable to connect, promotes production efficiency.

Description

Connector shell

Technical Field

The utility model belongs to the technical field of the connector, concretely relates to connector shell.

Background

In order to improve the anti-electromagnetic interference capability of the high-speed connector, it is generally required to mount electromagnetic shielding sheets on the four walls of the insertion port of the housing of the connector. In the prior art, the electromagnetic shielding sheet is often manufactured into a U shape, then the bent part is clamped on the shell of the connector, and the two separated ends of the U-shaped electromagnetic shielding sheet are positioned at the opening of the shell of the connector and are mutually welded together, so that the electromagnetic shielding sheet is fixedly connected on the shell of the connector.

However, because the two ends of the electromagnetic shielding sheet are welded together, the welding process is increased, thereby reducing the production efficiency of the whole product.

Therefore, in view of the above technical problems, it is necessary to provide a connector housing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connector housing to solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a connector shell, includes by upper wall, lower wall, and left side wall, right wall enclose the casing of establishing and forming, the casing front end forms the interface, the connector casing is including setting up a plurality of electromagnetic shield pieces on four walls of interface department, and each electromagnetic shield piece is including first shell fragment and the second shell fragment of connection, first shell fragment and second shell fragment are fixed in the kneck after bending through the junction reversal, first shell fragment includes first elastic contact portion and the fixed part that extends backward from first elastic contact portion, be provided with a plurality of trompils on the casing, be equipped with the fixed arm that extends to in the trompil on the casing in the trompil, the fixed part that first elastic contact portion extended backward is fixed in on the fixed arm.

As a preferred technical scheme of the utility model, the second shell fragment includes second elastic contact portion, and first elastic contact portion and second elastic contact portion are formed by the combination of a plurality of sections curved shell fragment monomer connection to form whole outside bellied arcuation structure.

As an optimized technical scheme of the utility model, first shell fragment is located the inboard or the outside of four walls of casing.

As a preferred technical scheme of the utility model, the fixed arm extends backward from the direction that the casing is close to the interface, and extending direction is the same with first shell fragment extending direction, and the fixed arm is rectangle form, fixed arm and casing are in the coplanar.

As a preferred technical scheme of the utility model, the fixed part includes flat plate portion and from two side extension portions and a back extension portion of the outside extension of flat plate portion both sides, the three direction of rear side, the whole cross or the T font that is of fixed part.

As a preferred technical scheme of the utility model, two side extension portions and back extension portion support after bending to the fixed arm direction and buckle on the fixed arm.

As a preferred technical proposal of the utility model, the two side extension parts are bent and then bent again along the same trend to form a pressing part pressed on the other side of the fixed arm,

as a preferred technical scheme of the utility model, back extension portion forms the stop part through bending after to the fixed arm direction, the height of stop part is the same with the thickness of fixed arm.

Compared with the prior art, the beneficial effects of the utility model are that: after preparation casing and electromagnetic shield piece in stamping die, through fixed part with electromagnetic shield piece fixed connection on the casing, this process integrated into one piece has saved the welded process in stamping die simultaneously to play the effect that has reduced the production step, have rational in infrastructure, connect stably, promote production efficiency's advantage.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a partial structural schematic view of an electromagnetic shielding sheet and a housing after being connected according to an embodiment of the present application;

FIG. 2 is an enlarged view at A in FIG. 1;

fig. 3 is a schematic view of the overall structure of an electromagnetic shielding sheet according to an embodiment of the present application;

fig. 4 is a schematic view of a partial connection structure between a first elastic sheet and an unbent fixing portion according to an embodiment of the present application.

In the figure: 1. a first spring plate; 2. a second elastic sheet; 3. a housing; 4. a second elastic contact portion; 5. a first elastic contact portion; 6. a butt joint port; 7. a fixed arm; 8. a flat plate portion; 9. a side extension part; 10. a rear extension portion; 11. a pressing part; 12. a blocking portion.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. However, the present invention is not limited to the embodiments, and the structural, method, or functional changes made by those skilled in the art according to the embodiments are all included in the scope of the present invention.

As shown in fig. 1-4, a connector housing, including by the upper wall, the lower wall, a left side wall, right side wall encloses the casing 3 of establishing and forming, 3 front ends of casing form to interface 6, connector casing 3 is including setting up a plurality of electromagnetic shield pieces on four walls of interface 6 department, each electromagnetic shield piece is including first shell fragment 1 and the second shell fragment 2 of connection, first shell fragment 1 and second shell fragment 2 are fixed in interface 6 department after bending through the junction reverse, first shell fragment 1 includes first elastic contact portion 5 and the fixed part that extends backward from first elastic contact portion 5, be provided with a plurality of trompils on the casing 3, be equipped with the fixed arm 7 that extends to in the trompil on the casing 3 in the trompil, the fixed part that first elastic contact portion 5 extends backward is fixed in on fixed arm 7.

In order to play an electromagnetic shielding role, the second elastic sheet 2 comprises a second elastic contact part 4, the first elastic contact part 5 and the second elastic contact part 4 are formed by connecting and combining a plurality of arc-shaped elastic sheet monomers and form an overall outwards-protruding arc-shaped structure, and the protruding arc-shaped structure is connected with a PCB (printed circuit board) or a metal shell of a plug of an electric connector, so that the electromagnetic shielding effect is achieved.

In the design process of a specific application, the first elastic sheet 1 may be located inside or outside four walls of the housing 3, that is, the fixing portion may be located inside or outside four walls of the housing 3.

Wherein, the fixed arm 7 extends backwards from the direction of the shell 3 close to the butt joint port 6, the extending direction is the same as the extending direction of the first elastic sheet 1, the fixed arm 7 is in a rectangular shape, the fixed part comprises a flat plate part 8, two side extending parts 9 and a rear extending part 10, the two side extending parts 9 and the rear extending part 10 extend outwards from the two sides of the flat plate part 8 and the three directions of the rear side, the whole fixed part is in a cross shape or a T shape, the two side extending parts 9 and the rear extending part 10 are buckled on the fixed arm 7 after being bent towards the direction of the fixed arm 7, the rectangular fixed arm 7 and the whole fixed part are in a cross shape or a T shape, so that the fixed part can be bent from the two sides of the flat plate part 8 and the three directions of the rear side and buckled on the fixed arm 7, therefore, the fixing part is fixedly connected to the fixing arm 7, the welding step is omitted, and the fixing part can be integrally formed in a stamping die, so that the production efficiency is improved.

In the above description, the two side extending portions 9 of the fixing portion are bent from the two sides of the fixing arm 7 and fastened to the fixing arm 7, so that the fixing portion is fastened to the fixing arm 7 from the two sides in the transverse direction on the plane where the fixing arm 7 is located, and meanwhile, the fixing portion is fastened to the fixing arm 7 in the direction perpendicular to the plane where the fixing arm 7 is located, and the rear extending portion 10 of the fixing portion is bent at the tail end of the fixing arm 7 and fastened to the fixing arm 7, and is matched with the joint of the first elastic sheet 1 and the second elastic sheet 2, so that the fixing portion is fastened to the fixing arm 7 from the two sides in the longitudinal direction on the plane where the fixing arm 7 is located.

The function of the fixing mode is expanded, two sides of the two side surfaces are buckled on the fixing arm 7 after being bent to achieve transverse positioning, the tail end is bent to stop, and the two side surfaces and the bent reverse buckle at the opening form longitudinal positioning in tandem.

In other embodiments, the fixing arm 7 may also protrude into the opening from the upper edge or the lower edge of the opening, and correspondingly, the extension position of the fixing portion only needs to be designed differently according to the extension direction of the specific fixing arm 7. For example, the fixing arm 7 extends downward from the opening, and the fixing portion only needs to form an extension portion on one side surface and the rear surface, and then is fastened to the corresponding surface of the fixing arm 7 in the same manner.

Preferably, the two side extending portions 9 are bent and then bent again along the same direction to form a pressing portion 11 pressing against the other surface of the fixing arm 7, the rear extending portion 10 is bent to form a blocking portion 12, the height of the blocking portion 12 is the same as the thickness of the fixing arm 7, wherein the pressing portion 11 plays a role in limiting the fixing portion and the electromagnetic shielding sheet on the wall perpendicular to the housing 3, and the blocking portion 12 cooperates with the connection point of the first elastic sheet 1 and the second elastic sheet 2 to limit the fixing portion and the electromagnetic shielding sheet on the plane direction where the wall of the housing 3 is located, so that the effect of stably and fixedly connecting the electromagnetic shielding sheet to the housing 3 is achieved.

In order to prolong the service life of the utility model, the pressing part 11 and the blocking part 12 are only attached to each surface corresponding to the fixing arm 7 without gaps, and the fixing arm 7 is deformed due to too tight pressing.

To sum up, the beneficial effects of the utility model are that: after preparing casing 3 and electromagnetic shield piece in stamping die, through fixed part with electromagnetic shield piece fixed connection on casing 3, this process integrated into one piece has saved the welded process in stamping die simultaneously to play the effect that has reduced the production step, have rational in infrastructure, connect stably, promote production efficiency's advantage.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. The utility model provides a connector shell, includes by upper wall, lower wall, and left wall, right wall enclose establishes casing (3) that forms, casing (3) front end forms to interface (6), connector casing (3) are including setting up a plurality of electromagnetic shield pieces on four walls of interface (6) department, and each electromagnetic shield piece is fixed in interface (6) department after through the reverse bending of junction including first shell fragment (1) and second shell fragment (2) of connecting, first shell fragment (1) and second shell fragment (2), its characterized in that: first shell fragment (1) includes first elasticity contact site (5) and the fixed part that extends backward from first elasticity contact site (5), be provided with a plurality of trompils on casing (3), be equipped with in the trompil and extend fixed arm (7) in the trompil on casing (3), the fixed part that first elasticity contact site (5) extend backward is fixed in on fixed arm (7).

2. A connector housing according to claim 1, wherein: the second elastic sheet (2) comprises a second elastic contact part (4), and the first elastic contact part (5) and the second elastic contact part (4) are formed by connecting and combining a plurality of arc-shaped elastic sheet monomers and form an arc-shaped structure which integrally protrudes outwards.

3. A connector housing according to claim 1, wherein: the first elastic sheet (1) is positioned on the inner side or the outer side of four walls of the shell (3).

4. A connector housing according to claim 1, wherein: fixed arm (7) are close to the direction backward extension of interface (6) from casing (3), and extending direction is the same with first shell fragment (1) extending direction, and fixed arm (7) are rectangular form, fixed arm (7) and casing (3) are in the coplanar.

5. A connector housing according to claim 4, wherein: the fixing part comprises a flat plate part (8), two side extension parts (9) and a rear extension part (10), wherein the two side extension parts extend outwards from two sides and the rear side of the flat plate part (8), and the fixing part is overall in a cross shape or a T shape.

6. A connector housing according to claim 5, wherein: the two side extending parts (9) and the rear extending part (10) are bent towards the fixing arm (7) and then abut against and buckle on the fixing arm (7).

7. A connector housing according to claim 6, wherein: and the two side extending parts (9) are bent and then bent again along the same direction to form a pressing part (11) which presses against the other surface of the fixed arm (7).

8. A connector housing according to claim 7, wherein: the rear extension part (10) is bent towards the fixing arm (7) to form a blocking part (12), and the height of the blocking part (12) is the same as the thickness of the fixing arm (7).

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