CN213151164U

CN213151164U - Shielding shell and connector

Info

Publication number: CN213151164U
Application number: CN202022387147.4U
Authority: CN
Inventors: 陈家军; 沈履善; 陈琼南; 陈宏基; 郭荣哲; 申欢欢
Original assignee: Huawei Technologies Co Ltd; Kunshan Luxshare Precision Industry Co Ltd
Current assignee: Huawei Technologies Co Ltd; Kunshan Luxshare Precision Industry Co Ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-05-07
Anticipated expiration: 2030-10-23

Abstract

The utility model discloses a shielding shell and connector belongs to connector technical field. The connector comprises a shielding shell and a spring piece, wherein the shielding shell comprises a plug-in part and a shielding main body which are sequentially connected, the shell is provided with a through hole which sequentially penetrates through the plug-in part and the shielding main body, and at least two mounting holes are formed in the peripheral direction of the outer wall of the plug-in part at intervals; the elastic sheet is arranged in the mounting hole and comprises a fixed end and a free end, and the fixed end is connected to one of two inner walls of the mounting hole which are oppositely arranged in the direction of the central axis of the through hole; the fixed ends of the at least two oppositely arranged elastic sheets are respectively positioned at two ends of the insertion part. The utility model discloses can reduce outside electromagnetic interference, improve the shielding effect, can be applicable to porous plug.

Description

Shielding shell and connector

Technical Field

The utility model relates to a connector technical field especially relates to a shielding shell and connector.

Background

At present, in the conventional automobile electronic and electrical architecture (EE architecture) commonly used in the market, the data transmission rate of the used connector is relatively low in the buses such as MOST, Flexray and CAN and the point-to-point networks such as LVDS. Along with the continuous development of automotive electronics, the car is electronic gradually, intelligent, internet, and the car operation memory system will not satisfy current demand more and more to the transmission speed and the bandwidth requirement of data, and shielding shell has important influence as the essential part in the connector to the height of signal transmission rate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shielding case can improve shielding effect and interference killing feature.

Another object of the present invention is to provide a connector, which can improve the transmission rate of signals.

To achieve the purpose, the utility model adopts the following technical proposal:

a shielding shell comprises a shell body and an elastic sheet, wherein the shell body comprises an inserting part and a shielding main body which are sequentially connected, the shell body is provided with a through hole which sequentially penetrates through the inserting part and the shielding main body, and at least two mounting holes are formed in the peripheral direction of the outer wall of the inserting part at intervals; the elastic sheet is arranged in the mounting hole and comprises a fixed end and a free end, and the fixed end is connected to one of two inner walls of the mounting hole which are oppositely arranged in the direction of the central axis of the through hole;

the fixed ends of the at least two oppositely arranged elastic sheets are respectively positioned at two ends of the insertion part.

Optionally, the middle part of each spring plate is arranged to protrude to the radial outer side of the insertion part.

Optionally, the elastic sheet and the insertion part are of an integrally formed structure.

Optionally, the cross-section of the plug part is rectangular or circular.

Optionally, when the cross section of the insertion part is rectangular, the fixed ends of each two oppositely arranged spring pieces on the side wall of the long side of the insertion part are respectively located at two ends of the through hole in the central axis direction.

Optionally, when the cross section of the insertion part is rectangular, the side wall corresponding to each long side of the insertion part is provided with at least two spring pieces.

Optionally, when the cross section of the insertion part is rectangular, the fixed ends of two adjacent spring plates on each side wall of the insertion part are respectively located at two ends of the mounting hole.

Optionally, the cross-sectional area of the elastic sheet is gradually reduced from the fixed end to the free end.

A connector comprises the shielding shell.

Optionally, still include plastic casing, insulator and signal terminal, the shielding shell set up in the plastic casing, the insulator set up in the through-hole, signal terminal set up in the insulator.

The utility model has the advantages that:

the utility model provides a shielding case includes casing and shell fragment, the casing includes grafting portion and shielding main part, at least two mounting holes have been seted up along the circumference interval of grafting portion, the shell fragment sets up in the mounting hole, the shell fragment includes stiff end and free end, the stiff end is connected in one of two inner walls that the mounting hole set up relatively, the stiff end of at least two relative shell fragments that set up is located the both ends of grafting portion respectively, the relative direction that is on a parallel with two relative shell fragments that set up is the projection direction, in the projection direction, the clearance between the tip of the free end of a shell fragment and the inner wall of mounting hole overlaps with the stiff end of another shell fragment, the space between projection direction and the mounting hole of two shell fragments has been reduced, thereby can reduce outside electromagnetic interference, improve the shielding effect; the fixed other end of one end of shell fragment is unsettled, has reduced the plug power when grafting portion connects, can be applicable to porous plug.

The utility model provides a connector includes foretell shielding case, and shielding effect is good, and the interference killing feature is strong to can improve the transmission rate of signal.

Drawings

Fig. 1 is a schematic perspective view of a shielding case according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of another perspective view of the shielding case according to the embodiment of the present invention;

fig. 3 is a schematic side view of a shielding case according to an embodiment of the present invention.

In the figure:

1. a housing; 11. a plug-in part; 12. a shield main body; 2. a spring plate; 21. a fixed end; 22. a free end; 3. mounting holes; 4. a through hole; 5. a void.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly and encompass, for example, both fixed and removable connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in direct contact with the second feature but being in contact with the second feature by another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention will be further explained by the following embodiments with reference to the attached drawings 1-3.

The embodiment provides a connector, including shielding shell, plastic shell, insulator and signal terminal, the shielding shell sets up in the plastic shell, and signal terminal and cable are connected.

As shown in fig. 1 to 2, the shielding shell includes a shell 1 and a spring plate 2, the shell 1 includes a plugging portion 11 and a shielding main body 12 which are connected in sequence, the shell 1 has a through hole 4 which sequentially penetrates through the plugging portion 11 and the shielding main body 12, an insulator is disposed in the through hole 4, and a signal terminal is disposed in the insulator. At least two mounting holes 3 are arranged along the circumferential direction of the outer wall of the insertion part 11 at intervals. The elastic sheet 2 is arranged in the mounting hole 3, the elastic sheet 2 comprises a fixed end 21 and a free end 22, and the fixed end 21 is connected to one of two inner walls, opposite to the mounting hole 3, of the mounting hole 4 in the central axis direction. The fixed ends 21 of at least two oppositely arranged spring plates 2 are respectively positioned at two ends of the plugging part 11.

In this embodiment, the relative direction that is parallel to two relative shell fragment 2 that set up is the projection direction, and in the projection direction, the clearance between the tip of the free end 22 of a shell fragment 2 and the inner wall of mounting hole 3 overlaps with the stiff end 21 of another shell fragment 2, has reduced two shell fragments 2 in the projection direction and the space 5 between the mounting hole 3 to can reduce outside electromagnetic interference, improve shielding effect. The other end of the elastic sheet 2 is fixed, so that the inserting and pulling force of the inserting and connecting part 11 is reduced, and the multi-hole inserting and pulling device is suitable for multi-hole inserting and pulling.

In order to make the connection of the insertion part 11 more stable, as shown in fig. 2 and 3, the middle part of each spring piece 2 is protruded to the radial outer side of the insertion part 11, so that the connection of the insertion part 11 can be more stable, the grounding connection of the shielding case in the embodiment is stable, and the shielding effect can be improved.

The shielding shell in this embodiment is elastic connection during ground connection, and the cross sectional area of the elastic sheet 2 is gradually reduced from the fixed end 21 to the free end 22, so that the elasticity of the free end 22 of the elastic sheet 2 can be increased, thereby improving the stability of the shielding shell in this embodiment during ground connection and improving the shielding effect.

In order to facilitate the processing of the shielding shell in this embodiment, the elastic piece 2 and the inserting part 11 are integrally formed. The arrangement of the integrated structure can also ensure that the connection between the elastic sheet 2 and the insertion part 11 is firmer, and the grounding connection stability of the shielding shell in the embodiment is improved, thereby being beneficial to improving the shielding effect.

Alternatively, the cross-section of the socket 11 is rectangular or circular. It can be understood that the shape of the cross section of the insertion part 11 in the embodiment is not limited to the present invention, the cross section of the insertion part 11 is set to be rectangular or circular, which is beneficial to the standardization of the shielding case in the embodiment and reduces the processing cost.

Further, when the cross section of the inserting part 11 is rectangular, the fixing ends 21 of each two oppositely arranged elastic sheets 2 on the side wall of the long side of the inserting part 11 are respectively located at two ends of the through hole 4 in the central axis direction. It can be understood that, the area of the side wall on the long side of the inserting part 11 is large, and the arrangement of the elastic sheet 2 in the embodiment can reduce the gap 5 between each two oppositely arranged elastic sheets 2 and the mounting hole 3 in the projection direction, thereby reducing the external electromagnetic interference and improving the shielding effect.

When the cross section of grafting portion 11 is the rectangle, the lateral wall that every long limit of grafting portion 11 corresponds is provided with two at least shell fragments 2, can understand that the quantity of shell fragment 2 does not need to be injectd the utility model discloses, for example, shell fragment 2 can set up to 2, 3, 4 or 5 etc. and specific quantity can set up according to the size of the cross section of grafting portion 11, and the size is big more, and the quantity of the shell fragment 2 that sets up can be more, and the evenly distributed of shell fragment 2 can make the ground connection of the shield shell in this embodiment connect more stably.

As shown in fig. 1, when the cross section of the inserting portion 11 is rectangular, the fixed ends 21 of two adjacent elastic pieces 2 on each side wall of the inserting portion 11 are respectively located at two ends of the mounting hole 3, so that the inserting and pulling force of the inserting portion 11 during connection can be reduced, and the inserting and pulling device is suitable for multi-hole insertion and pulling.

The shielding shell in this embodiment, the relative direction that is on a parallel with two relative shell fragment 2 that set up is the projection direction, and in the projection direction, the clearance between the tip of the free end 22 of a shell fragment 2 and the inner wall of the mounting hole 3 of casing 1 overlaps with the stiff end 21 of another shell fragment 2, has reduced two shell fragments 2 in the projection direction and the space 5 between the mounting hole 3 to can reduce outside electromagnetic interference, improve shielding effect. The other end of the elastic sheet 2 is fixed, so that the inserting and pulling force of the inserting and connecting part 11 is reduced, and the multi-hole inserting and pulling device is suitable for multi-hole inserting and pulling. The middle part of the elastic sheet 2 is protruded towards the radial outer side of the insertion part 11, so that the grounding connection of the shielding shell in the embodiment is stable, and the shielding effect can be further improved.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. A shield shell, comprising:

the shielding device comprises a shell (1), wherein the shell (1) comprises an inserting part (11) and a shielding main body (12) which are sequentially connected, the shell (1) is provided with a through hole (4) which sequentially penetrates through the inserting part (11) and the shielding main body (12), and at least two mounting holes (3) are formed in the circumferential direction of the outer wall of the inserting part (11) at intervals; and

the elastic sheet (2) is arranged in the mounting hole (3), the elastic sheet (2) comprises a fixed end (21) and a free end (22), and the fixed end (21) is connected to one of two inner walls, opposite to the mounting hole (3), in the direction of the central axis of the through hole (4);

the fixed ends (21) of the at least two oppositely arranged spring plates (2) are respectively positioned at two ends of the insertion part (11).

2. The shielding shell according to claim 1, wherein a middle portion of each spring (2) protrudes outward in a radial direction of the insertion portion (11).

3. The shielding shell according to claim 1, wherein the resilient piece (2) and the insertion portion (11) are of an integrally formed structure.

4. Shielding shell according to claim 1, characterized in that the cross section of the plug-in part (11) is rectangular or circular.

5. The shielding shell according to claim 4, wherein when the cross section of the insertion part (11) is rectangular, the fixed ends (21) of each two oppositely arranged spring plates (2) of the insertion part (11) on the side wall of the long side are respectively located at two ends of the through hole (4) in the central axis direction.

6. The shielding shell according to claim 4, wherein when the cross section of the insertion part (11) is rectangular, the side wall corresponding to each long side of the insertion part (11) is provided with at least two spring plates (2).

7. The shielding shell according to claim 4, wherein when the cross section of the insertion part (11) is rectangular, the fixed ends (21) of two adjacent spring plates (2) on each side wall of the insertion part (11) are respectively located at two ends of the mounting hole (3).

8. Shielding shell according to claim 1, wherein the cross-sectional area of the spring (2) decreases from the fixed end (21) to the free end (22).

9. A connector characterized by comprising the shield shell according to any one of claims 1 to 8.

10. The connector according to claim 9, further comprising a plastic shell, an insulator and signal terminals, wherein the shield shell is disposed in the plastic shell, the insulator is disposed in the through hole (4), and the signal terminals are disposed in the insulator.