Shield member pair
The shielding member pair design with overlapping components and movable parts addresses the trade-off between shielding performance and complexity, enhancing efficiency and reducing costs by simplifying the structure and material usage.
Patent Information
- Application Number
- JP2024010578
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-01-26
- Publication Date
- 2025-08-07
AI Technical Summary
Existing shielding members often compromise on shielding performance or structural complexity, lacking a simple yet effective design that maintains high shielding efficiency.
A pair of shielding members comprising a first and second component, where at least a portion of the second component overlaps with the first in the vertical direction, eliminating gaps and simplifying the structure by avoiding fixation to the shielded objects, with one component being movable and supported by an elastic support portion.
This design enhances shielding performance by eliminating gaps and simplifies the structure, accommodating misalignment, and reduces costs by using different materials for components, ensuring flexibility and rigidity where needed.
Smart Images

Figure 2025115880000001_ABST
Abstract
Description
[Technical Field]
[0001] The present disclosure relates to a shield member pair. [Background technology]
[0002] Patent Document 1 discloses a shielding member. [Prior art documents] [Patent documents]
[0003] [Patent Document 1] Japanese Patent Publication No. 2021-096933 Summary of the Invention [Problem to be solved by the invention]
[0004] An object of the present disclosure is to provide a pair of shielding members that has high shielding performance and a simple structure. [Means for solving the problem]
[0005] A pair of shielding members according to a first aspect is a pair of shielding members for shielding an object to be shielded, the pair of shielding members comprising a first shielding member attached to a first attachment object and a second shielding member attached to a second attachment object, the first shielding member and the second shielding member facing each other in the vertical direction, the first shielding member having a first component part, the second shielding member having a second component part, the first component part having a first shielding part that shields the object to be shielded from a direction perpendicular to the vertical direction, the second component part having a second shielding part that shields the object to be shielded from a direction perpendicular to the vertical direction, at least a portion of the second shielding part being able to overlap with the first shielding part in the vertical direction, and at least one of the first component part and the second component part not having a part that is fixed to the object to be shielded.
[0006] In this aspect, the pair of shield members includes a first shield member attached to a first attachment object and a second shield member attached to a second attachment object, the first shield member and the second shield member facing each other in the up-down direction. The first shield member has a first component, and the second shield member has a second component. The first component part has a first shield part that shields the object to be shielded from a direction perpendicular to the up-down direction. The second component portion has a second shield portion that shields the object to be shielded from a direction perpendicular to the up-down direction. Therefore, the first shielding portion and the second shielding portion can shield the object to be shielded from a direction perpendicular to the up-down direction.
[0007] In this aspect, at least a portion of the second shield portion can overlap with the first shield portion in the vertical direction. This makes it possible to eliminate or reduce the gap between the first and second shielding members, thereby preventing a decrease in shielding performance.
[0008] In this aspect, at least one of the first component part and the second component part does not have a portion that is fixed to the object to be shielded. Therefore, it is not necessary to provide at least one of the first and second components with a structure for fastening the first and second components to an object to be shielded, which simplifies the structure of the pair of shielding members.
[0009] The "vertical direction" refers to a direction relative to the shield member. Therefore, it does not limit the orientation of the shield member when in use. For example, the downward direction of the shield member may or may not face the direction of gravity. In the embodiment described below, the first shielding member and the second shielding member are configured to contact each other, but the present embodiment is not limited to this. In the embodiment described below, the first shielding member and the second shielding member are electrically connected to each other. However, this embodiment is not limited to this. For example, the first shielding member and the second shielding member may be in contact with each other but not electrically connected. In the embodiment described below, the first shielding member includes a fixed portion and a movable portion, and the second shielding member includes a fixed portion but no movable portion. The first component is the movable portion of the first shielding member, and the second component is the fixed portion of the second shielding member. However, this aspect is not limited to this. For example, the first shielding member may include a fixed portion but no movable portion, and the fixed portion of the first shielding member may be the first component. In the embodiment described below, the first shield part has a wall part whose thickness direction is perpendicular to the up-down direction, but this aspect is not limited to this. The same applies to the second shield part. In the embodiment described below, the first shielding member is electrically connected to the first attachment object, but this aspect is not limited to this. The same applies to the second shielding member.
[0010] In the second aspect, the pair of shielding members is the same as in the first aspect, wherein the first shielding member has a fixed portion fixed to the first attachment object and a movable portion as the first component that is displaceable relative to the fixed portion, and the movable portion is displaceable in a direction perpendicular to the up-down direction relative to the fixed portion.
[0011] In this aspect, the first shield member has a fixed portion fixed to the first attachment object and a movable portion as a first component portion that is displaceable relative to the fixed portion in a direction perpendicular to the up-down direction. This allows the first component to be displaced in a direction perpendicular to the up-down direction relative to the first attachment object, thereby accommodating misalignment between the first shielding member and the second shielding member (misalignment in a direction perpendicular to the up-down direction).
[0012] In the embodiment described below, the movable part is displaceable relative to the fixed part in both the up-down direction and the two directions perpendicular to the up-down direction, and is also displaceable so as to rotate slightly around an axis such as an axis in the up-down direction or an axis perpendicular to the up-down direction. However, this embodiment is not limited to this. For example, the movable part of this embodiment may be displaceable relative to the fixed part only in the direction perpendicular to the up-down direction.
[0013] A pair of shielding members according to a third aspect is the same as that of the second aspect, in which the first shielding member has an elastic support portion that supports the movable portion so that it can be displaced, and the elastic support portion has a spring piece that connects the fixed portion and the movable portion.
[0014] In this aspect, the first shield member has an elastic support portion that supports the movable portion so that the movable portion can be displaced. The elastic support portion has a spring piece that connects the fixed portion and the movable portion. Therefore, the movable portion (first component portion) can be elastically displaced.
[0015] A fourth aspect of the present invention provides a pair of shielding members according to the third aspect, wherein the plate material constituting the first shielding member is thinner than the plate material constituting the second shielding member. The pair of shield members according to claim 3.
[0016] In this aspect, the plate material constituting the first shielding member is thinner than the plate material constituting the second shielding member. Therefore, the spring piece can be made of a thin plate material, and flexibility of the elastic support portion can be ensured.
[0017] In the embodiment described below, the second shielding member does not have a portion that is fixed to the object to be shielded. (Therefore, the second shielding member needs to ensure rigidity through its own structure. Therefore, it is preferable that the plate material that constitutes the second shielding member is thick.) However, this aspect is not limited to this.
[0018] A shielding member pair according to a fifth aspect is any one of the second to fourth aspects, in which the first shielding member has an elastic support portion that supports the movable portion so that it can be displaced, the elastic support portion has a spring piece that connects the fixed portion and the movable portion, and the second component portion has an elastic contact portion that elastically contacts the first component portion.
[0019] However, if an elastic contact portion for elastically contacting and electrically connecting the first shielding member and the second shielding member is provided in the first component portion, the structure of the first shielding member having the elastic support portion becomes even more complicated. Therefore, in this aspect, the second component has a resilient contact portion that resiliently contacts the first component. This prevents the structure of the first shield member from becoming complicated.
[0020] The shielding member pair according to the sixth aspect is any one of the second to fourth aspects, wherein the first shielding member has an elastic support portion that supports the movable portion so that it can be displaced, the elastic support portion has a spring piece that connects the fixed portion and the movable portion, and the movable portion has an elastic contact portion that elastically contacts the second component portion.
[0021] In this aspect, the movable portion has a resilient contact portion that resiliently contacts the second component portion. That is, the first shield member is provided with both the elastic support portion that allows the movable portion to be displaced relative to the fixed portion and the elastic contact portion. Therefore, a material with high spring properties can be used for the first shielding member, while an inexpensive material with no or low spring properties can be used for the second shielding member, thereby reducing the cost of the shielding member pair.
[0022] In the embodiment described below, unlike this mode, the second component portion has a resilient contact portion that resiliently contacts the mating shield member.
[0023] A pair of shielding members according to a seventh aspect is any one of the third to sixth aspects, wherein the first shielding member includes a closing wall portion disposed inside or outside the elastic support portion.
[0024] However, when the elastic support portions are formed, gaps tend to form around the elastic support portions, which leads to a decrease in shielding performance. Therefore, in this aspect, the first shield member includes a closing wall portion that is disposed inside or outside the elastic support portion. Therefore, the closing wall can close the gap that occurs around the elastic support portion, thereby improving the shielding performance.
[0025] The pair of shielding members according to the eighth aspect is any one of the second to seventh aspects, wherein the pair of shielding members includes a component force generating section that generates a component force that displaces the movable section in a direction perpendicular to the up-down direction relative to the fixed section.
[0026] In this aspect, the pair of shield members includes a component force generating portion that generates a component force that displaces the movable portion in a direction perpendicular to the up-down direction relative to the fixed portion. Therefore, it is easy to displace the movable part in an appropriate direction.
[0027] The pair of shielding members according to the ninth aspect is any one of the first to eighth aspects, wherein the first shielding portion has a first cylindrical portion, the second shielding portion has a second cylindrical portion, and at least a portion of the second cylindrical portion is capable of overlapping with the first cylindrical portion in the vertical direction.
[0028] In this aspect, the first shielding part has a first cylindrical part, and the second shielding part has a second cylindrical part. Therefore, the object to be shielded can be surrounded by the first cylindrical portion and the second cylindrical portion in a direction perpendicular to the up-down direction, thereby achieving high shielding performance.
[0029] In the embodiment described below, at least a portion of the second cylindrical portion is inserted inside the first cylindrical portion in a state where at least a portion of the second cylindrical portion overlaps with the first cylindrical portion in the vertical direction. However, this aspect is not limited to this.
[0030] A pair of shield members according to a tenth aspect is the pair of shield members according to any one of the second to eighth aspects, wherein the first shield member has an upward direction restricting portion that restricts the movable portion from being excessively displaced upward.
[0031] In this aspect, the first shield member has an upward direction restricting portion that restricts the movable portion from being excessively displaced upward. This prevents the movable portion from being displaced excessively upward.
[0032] In the embodiment described below, when the first shielding member and the second shielding member are released from their connected state, an upward force is applied to the movable portion of the first shielding member (for this reason, the above-described upward direction restricting portion is effective). However, this aspect is not limited to this.
[0033] A pair of shielding members according to an eleventh aspect is the same as any one of the first to tenth aspects, wherein neither the first component part nor the second component part has a portion that is fixed to the object to be shielded.
[0034] In this aspect, neither the first component nor the second component has a portion that is fixed to the object to be shielded. This simplifies the structure of the shield member pair.
[0035] A pair of shielding members according to a twelfth aspect is any one of the first to eleventh aspects, wherein the first shielding member does not have a portion that is fixed to the object to be shielded.
[0036] In this aspect, the first shield member does not have a portion that is fixed to the object to be shielded. This allows the structure of the shield member pair to be further simplified. [Brief explanation of the drawings]
[0037] [Figure 1] 1 is a cross-sectional view showing a shield structure according to an embodiment. [Figure 2] 1 is a cross-sectional view showing a shield structure (connected state) according to an embodiment. [Figure 3] FIG. 1 is an exploded perspective view of a connector pair including a floating connector. [Figure 4] FIG. 2 is a perspective view of a pair of shield members. [Figure 5] FIG. 10 is a perspective view of the pair of shield members as seen from another direction. [Figure 6] FIG. 4 is an enlarged cross-sectional view of a pair of shielding members in a connected state. [Figure 7] FIG. 4 is an enlarged cross-sectional view of a pair of shielding members in a connected state. DETAILED DESCRIPTION OF THE INVENTION
[0038] Preferred embodiments of the present disclosure will be described below.
[0039] In addition, the +X direction of the arrow shown in each drawing may be described as one side in the width direction, the +Y direction of the arrow as one side in the front-to-rear direction, and the +Z direction of the arrow as the upper side in the up-down direction. However, this does not limit the position of the shield member etc. when in use.
[0040] 1 and 2 show a shield structure 100 according to an embodiment.
[0041] The shield structure 100 includes attachment objects 91 and 92, electronic components 11 and 12, and shields 21 and 22.
[0042] In the shielding structure 100, electronic components 11 and 12, which are "shielded objects", are shielded by shields 21 and 22. The electronic components 11 and 12 and the shields 21 and 22 are attached to objects 91 and 92 to be attached.
[0043] The attachment objects 91 and 92 include a first attachment object 91 and a second attachment object 92 . The first attachment object 91 is a first substrate 91, and the second attachment object 92 is a second substrate 92. The first substrate 91 and the second substrate 92 are arranged opposite each other with their thickness directions facing the same direction (Z direction). Hereinafter, the first substrate 91 may be simply referred to as the substrate 91, and the second substrate 92 may be simply referred to as the counterpart substrate 92.
[0044] The electronic components 11 and 12 are a connector pair 11 and 12 consisting of a first connector 11 and a second connector 12 . The first connector 11 is attached to a first attachment object 91, and the second connector 12 is attached to a second attachment object 92. When the first connector 11 and the second connector 12 are connected, the first board 91 and the second board 92 are electrically connected (see FIG. 2). Hereinafter, the first connector 11 may be simply referred to as the connector 11, and the second connector 12 may be simply referred to as the mating connector 12.
[0045] As shown in FIG. 1, the first connector 11 is a floating connector. The first connector 11 includes a first terminal portion 31 configured with at least one first terminal 31, and a first housing portion 32 that holds the first terminal portion 31. The first housing portion 32 includes a fixed housing 33 that is fixed to a first attachment object 91, and a movable housing 34 that is displaceable relative to the fixed housing 33. The movable housing 34 is displaceable in any of the X, Y, and Z directions, as well as directions oblique to these directions.
[0046] The first terminal 31 has a connection portion 31a that is connected to the first attachment object 91 by soldering, and a contact portion 31b that comes into contact with the second terminal 41 of the second connector 12. The first terminal 31 is held by both the fixed housing 33 and the movable housing 34. An elastically deformable portion is formed between the portion of the first terminal 31 that is held by the fixed housing 33 and the portion that is held by the movable housing 34. This allows the movable housing 34 to be displaced.
[0047] The second connector 12 is a connector that is not a floating connector. The second connector 12 includes a second terminal portion 41 configured with at least one second terminal 41, and a second housing portion 42 that holds the second terminal portion 41. The second housing portion 42 includes a fixed housing 43 that is fixed to the second attachment object 92, and does not include a movable housing that is displaceable relative to the second attachment object 92. The second terminal 41 has a connection portion 41 a that is connected to the second attachment object 92 by soldering, and a contact portion 41 b that comes into contact with the first terminal 31 .
[0048] The first terminal portion 31 includes a plurality of first signal terminals 31A. The plurality of first signal terminals 31A are configured by arranging a large number of pairs of first signal terminals 31A in the X direction. The second terminal portion 41 includes a plurality of second signal terminals 41A. The plurality of second signal terminals 41A are configured by arranging a large number of pairs of second signal terminals 41A in the X direction. The contact portions 31b of the pair of first signal terminals 31A are in contact with the contact portions 41b of the pair of second signal terminals 41A so as to sandwich them from the outside in the Y direction (see FIGS. 1 and 2).
[0049] The first terminal portion 31 includes a plurality of first power supply terminals 31B. The second terminal portion 41 includes a plurality of second power supply terminals 41B. The plurality of first power supply terminals 31B are arranged in an area on one side in the X direction and an area on the other side in the X direction with respect to the area where the plurality of first signal terminals 31A are arranged. The same applies to the plurality of second power supply terminals 41B.
[0050] The contact pressure generated by contact between the contact portion 31b of the first signal terminal 31A and the contact portion 41b of the second signal terminal 41A occurs in a plane (XY plane) perpendicular to the direction in which the first mounting object 91 and the second mounting object 92 face each other (Z direction).
[0051] The contact pressure generated by contact between the first power supply terminal 31B and the second power supply terminal 41B also occurs in a plane (XY plane) perpendicular to the direction in which the first attachment object 91 and the second attachment object 92 face each other (Z direction).
[0052] (Shield 21, 22) The shields 21 and 22 are a pair of shield members 21 and 22 made up of a first shield member 21 and a second shield member 22.
[0053] (First shield member 21) The first shielding member 21 is made by punching, bending, etc. a single piece of conductive plate material. Therefore, one part of the first shielding member 21 is connected to another part without any joints.
[0054] The first shield member 21 is cylindrical (specifically, rectangular cylindrical). The first shield member 21 has a structure that is substantially symmetrical in both the X and Y directions.
[0055] 4, a joint 21h is formed at one side in the Y direction (+Y direction side) of the cylindrical first shielding member 21, where ends of the plates constituting the first shielding member 21 are joined together. The joint 21h is provided at the center of the first shielding member 21 in the X direction.
[0056] The first shielding member 21 has a fixed portion 50 fixed to a first substrate 91 as the "first mounting object", a movable portion 60 displaceable relative to the fixed portion 50, and an elastic support portion 70 that supports the movable portion 60 so that it can be displaced.
[0057] (Fixed part 50) The fixed part 50 includes a fixed shield part 51 .
[0058] The fixed shield part 51 includes a pair of first wall parts 51a facing each other in the X direction and a pair of second wall parts 51b facing each other in the Y direction. The first wall portion 51a is a wall portion extending in the Y direction and has a flat plate shape with its thickness direction facing the X direction. The second wall portion 51b is a wall portion extending in the X direction and has a flat plate shape with its thickness direction facing the Y direction. As a result, the fixed shield part 51 is formed in a cylindrical shape (specifically, a rectangular cylindrical shape). The fixed shield part 51 may be referred to as the cylindrical part 51. The first wall part 51a and the second wall part 51b are connected via a curved part extending in the vertical direction. Therefore, the cylindrical part 51 has a complete cylindrical shape.
[0059] The fixed portion 50 includes a plurality of connecting portions 52a, 52b, and 52c. Each of the multiple connection portions 52a, 52b, 52c is joined by soldering to a pad (not shown) formed on the upper surface of the first substrate 91. As a result, the first shielding member 21 is attached to the first substrate 91, and the first shielding member 21 and the first substrate 91 are electrically connected to each other.
[0060] The plurality of connection portions 52a, 52b, 52c include a plurality of first connection portions 52a protruding from the first wall portion 51a. Each first connecting portion 52a has a shape that protrudes downward from the lower edge of the first wall portion 51a. A plurality (two) of first connecting portions 52a are formed for each first wall portion 51a.
[0061] The plurality of connection portions 52a, 52b, 52c include a plurality of second connection portions 52b that protrude from the second wall portion 51b. The second connection portions 52b have a shape that protrudes downward from the lower edge of the second wall portion 51b. A plurality (eight) of the second connection portions 52b are formed for each second wall portion 51b.
[0062] The connecting portions 52a, 52b, and 52c include four third connecting portions 52c whose thickness directions are oriented in the vertical direction. The third connecting portions 52c are connected to the second wall portion 51b via curved portions.
[0063] The fixing portion 50 has a plurality of notches 54 . The notches are formed in the second wall portions 51b of the fixed shield portion 51. Specifically, each of the pair of second wall portions 51b has two notches . The cutout 54 is a cutout formed in a portion near the lower edge of the fixed shield part 51. The position of the cutout 54 corresponds to the position where the first power supply terminal 31B of the first connector 11 is disposed. This ensures an appropriate distance between the fixed shield part 51 and the first power supply terminal 31B.
[0064] The fixed part 50 has a carrier cut part 55. The carrier cut part means a part that was connected to the carrier when the shielding member was manufactured by progressive processing and that is finally cut off. The carrier cutting portion 55 is formed on one of the pair of second wall portions 51b opposite to the second wall portion 51b on which the joint portion 21h is provided. Two carrier cutting portions 55 are formed at an interval in the X direction.
[0065] (Movable part 60) The movable part 60 is cylindrical (specifically, rectangular cylindrical).
[0066] The movable portion 60 includes movable shield portions 61 and 62 .
[0067] The movable shield parts 61 and 62 include an inner cylindrical part 61 and an outer cylindrical part 62 disposed outside the inner cylindrical part 61 .
[0068] The inner cylindrical portion 61 includes a pair of first inner wall portions 61a facing each other in the X direction and a pair of second inner wall portions 61b facing each other in the Y direction. The first inner wall portion 61a is a wall portion extending in the Y direction and has a flat plate shape with its thickness direction facing the X direction. The second inner wall portion 61b is a wall portion extending in the X direction and has a flat plate shape with its thickness direction facing the Y direction. The first inner wall portion 61a and the second inner wall portion 61b are connected via a curved portion extending in the vertical direction, so that the inner cylindrical portion 61 has a completely cylindrical shape.
[0069] The outer cylindrical portion 62 includes a pair of first outer wall portions 62a facing each other in the X direction and a pair of second outer wall portions 62b facing each other in the Y direction. The first outer wall portion 62a is a wall portion extending in the Y direction and has a flat plate shape with its thickness direction facing the X direction. The second outer wall portion 62b is a wall portion extending in the X direction and has a flat plate shape with its thickness direction facing the Y direction. A gap is formed between the first outer wall portion 62a and the second outer wall portion 62b, so that the outer cylindrical portion 62 is not completely cylindrical, but is substantially cylindrical.
[0070] In connection with the formation of the joint portion 21h on one side in the Y direction of the first shield member 21, the second outer wall portion 62b on one side in the Y direction is separated into two portions.
[0071] The outer cylindrical portion 62 is connected to the inner cylindrical portion 61 via a plurality of folded portions 63a and 63b. Specifically, the first outer wall portion 62a is connected to the first inner wall portion 61a via a first folded portion 63a, and the second outer wall portion 62b is connected to the second inner wall portion 61b via a plurality of second folded portions 63b.
[0072] The second outer wall portion 62b is disposed outside the elastic support portion 70. As a result, the second outer wall portion 62b closes the gap formed around the elastic support portion 70. The second outer wall portion 62b may be referred to as a closing wall portion 62b.
[0073] To put it another way, a gap is formed in the vertical direction between the cylindrical portion 51 of the fixed portion 50 and the inner cylindrical portion 61 of the movable portion 60. The first outer wall portion 62a and the second outer wall portion 62b that constitute the outer cylindrical portion 62 function to close this gap. Since the elastic support portion 70 is disposed in the gap between the cylindrical portion 51 and the inner cylindrical portion 61, the above-mentioned gap formed around the elastic support portion 70 can be said to be part of the gap between the cylindrical portion 51 and the inner cylindrical portion 61.
[0074] (Slanted plate parts 64a, 64b) The movable portion 60 has a plurality of (four) inclined plate portions 64a and 64b.
[0075] The plurality of (four) inclined plate portions 64a, 64b are made up of a plurality of first inclined plate portions 64a and a plurality of second inclined plate portions 64b. Hereinafter, when no particular distinction is made, they will simply be referred to as the inclined plate portions 64a, 64b.
[0076] The multiple first inclined plate portions 64a are configured from multiple (two) first inclined plate portions 64a on one side in the Y direction and multiple (two) first inclined plate portions 64a on the other side in the Y direction. Hereinafter, unless otherwise specified, they will be simply referred to as first inclined plate portions 64a.
[0077] The multiple second inclined plate portions 64b are configured from multiple (two) second inclined plate portions 64b on one side in the Y direction and multiple (two) second inclined plate portions 64b on the other side in the Y direction. Hereinafter, unless otherwise specified, they will be simply referred to as second inclined plate portions 64b.
[0078] The inclined plate portions 64a, 64b are flat and extend in a direction inclined outward in the X direction or the Y direction relative to the upward direction. In other words, the inclined plate portions 64a, 64b are configured to apply a force to the second shield member 22 that comes into contact with the inclined plate portions 64a, 64b during the connection operation in a direction that eliminates positional misalignment in the XY plane. The inclined plate portions 64a, 64b are sometimes referred to as component force generating portions 64a, 64b.
[0079] The inclined plate portions 64a, 64b are connected to the inner cylindrical portion 61 via bent portions 65a, 65b that are bent at an angle of approximately 30 degrees to approximately 45 degrees. Specifically, the first inclined plate portion 64a is provided so as to extend from the first inner wall portion 61a of the inner cylindrical portion 61. The second inclined plate portion 64b is provided so as to extend from the second inner wall portion 61b of the inner cylindrical portion 61. The inclined plate portions 64a and 64b are located on the outer side of the inner cylindrical portion 61 (outer side in the X direction or outer side in the Y direction).
[0080] First bent portions 63a are provided on one side in the Y direction and the other side in the Y direction of the first inclined plate portion 64a.
[0081] A second folded portion 63b is provided on one side and the other side of the second inclined plate portions 64b arranged in the X direction. In addition, a second folded portion 63b is also provided between two second inclined plate portions 64b adjacent to each other in the X direction.
[0082] (Elastic support portion 70) The elastic support portion 70 is composed of a pair of spring portions 71 . The pair of spring portions 71 includes a spring portion 71 on one side in the X direction and a spring portion 71 on the other side in the X direction. The X direction is the longitudinal direction of the first shield member 21. The spring portion 71 on one side in the X direction and the spring portion 71 on the other side in the X direction have a structure symmetrical with respect to the X direction. Hereinafter, unless otherwise specified, they will be simply referred to as spring portions 71.
[0083] The spring portion 71 includes a pair of spring pieces 72 . The pair of spring pieces 72 is made up of a spring piece 72 on one side in the Y direction and a spring piece 72 on the other side in the Y direction. The pair of spring pieces 72 have shapes symmetrical with respect to the Y direction. Hereinafter, unless otherwise specified, they will be simply referred to as spring pieces 72.
[0084] The spring piece 72 connects the fixed part 50 and the movable part 60 . Specifically, the spring piece 72 connects the cylindrical portion 51 of the fixed portion 50 and the inner cylindrical portion 61 of the movable portion 60 . More specifically, the spring piece 72 connects the second wall portion 51b of the fixed portion 50 and the second inner wall portion 61b of the movable portion 60.
[0085] The spring piece 72 is provided at a position overlapping the inner cylindrical portion 61 of the movable portion 60 when viewed from above.
[0086] The spring piece 72 has a one-side extending portion 72a extending in a direction away from the starting end of the spring piece 72 (inward in the X direction), a other-side extending portion 72b extending in a direction approaching the terminal end of the spring piece 72 (outward in the X direction), and a folded portion 72c connecting the one-side extending portion 72a and the other-side extending portion 72b. The folded portion 72c extends in a substantially arc shape.
[0087] The one-side extending portion 72a extends in a direction inclined upward in a direction away from the starting end of the spring piece 72 (inward in the X direction). The other-side extending portion 72b extends in a direction inclined upward toward the end of the spring piece 72 (outward in the X direction).
[0088] (Regulatory Organization) 7, the first outer wall portion 62a of the movable portion 60 has a through hole 69. The fixed portion 50 has a bent portion 59 that is inserted into the through hole 69. The bent portion 59 is restrained within the through hole 69, thereby preventing the movable portion 60 from being excessively displaced relative to the fixed portion 50. The restricting mechanisms 59, 69 prevent excessive displacement in both the up-down direction and the Y direction.
[0089] The through-hole 69 is a rectangular hole. The bent portion 59 has a thickness direction aligned with the up-down direction. The bent portion 59 is formed at the upper end of the first wall portion 51a of the fixing portion 50.
[0090] (Second shield member 22) The second shield member 22 is made by subjecting a single piece of conductive plate material to punching, bending, and other processes.
[0091] The second shield member 22 is cylindrical (specifically, rectangular cylindrical). The second shield member 22 has a structure that is substantially symmetrical in both the X and Y directions.
[0092] 4, a joint 22h is formed at one side in the Y direction (+Y direction side) of the cylindrical second shield member 22, where ends of the plates constituting the second shield member 22 are joined together. The joint 22h is provided at the center of the second shield member 22 in the X direction.
[0093] The second shield member 22 has a fixed portion 80 that is fixed to a second substrate 92, which serves as a "second attachment object." Unlike the first shield member 21, the second shield member 22 does not have a movable portion or an elastic support portion.
[0094] (Fixed part 80) The fixed part 80 includes a fixed shield part 81 .
[0095] The fixed shield part 81 includes a pair of first wall parts 81a facing each other in the X direction and a pair of second wall parts 81b facing each other in the Y direction. The first wall portion 81a is a wall portion extending in the Y direction and has a flat plate shape with its thickness direction facing the X direction. The second wall portion 81b is a wall portion extending in the X direction and has a flat plate shape with its thickness direction facing the Y direction. As a result, the fixed shield part 81 is formed in a cylindrical shape (specifically, a rectangular cylindrical shape). The fixed shield part 81 may be referred to as the cylindrical part 81. The first wall part 81a and the second wall part 81b are connected via a curved part that extends in the vertical direction. Therefore, the cylindrical part 81 has a completely cylindrical shape.
[0096] The fixed portion 80 includes a plurality of connecting portions 82a, 82b, and 82c. Each of the multiple connection portions 82a, 82b, 82c is joined by soldering to a pad (not shown) formed on the upper surface of the first substrate 91. This attaches the second shielding member 22 to the second substrate 92, and electrically connects the second shielding member 22 and the second substrate 92 together.
[0097] The plurality of connection portions 82a, 82b, 82c include a plurality of first connection portions 82a that protrude from the first wall portion 81a. The plurality of connection portions 82a, 82b, 82c include a plurality of second connection portions 82b that protrude from the second wall portion 81b. The connecting portions 82a, 82b, and 82c include a plurality (four) of third connecting portions 82c whose thickness directions are oriented in the vertical direction. The third connecting portions 82c are connected to the second wall portion 81b via curved portions.
[0098] (elastic contact portion 84) The second shield member 22 has a plurality of resilient contact portions 84 . The elastic contact portion 84 elastically contacts the first shield member 21.
[0099] The plurality of elastic contact portions 84 are made up of a plurality (two) of elastic contact portions 84 on one side in the Y direction and a plurality (two) of elastic contact portions 84 on the other side in the Y direction.
[0100] The elastic contact portion 84 comes into contact with the first shielding member 21 so as to generate a contact pressure in a direction perpendicular to the up-down direction. Specifically, the elastic contact portion 84 comes into contact with the first shielding member 21 from the inside in the Y direction. The elastic contact portion 84 comes into contact with the second inner wall portion 61b of the inner cylindrical portion 61 of the movable portion 60 of the first shielding member 21. In other words, the second inner wall portion 61b functions as the contact portion 61b of the first shielding member 21.
[0101] The elastic contact portion 84 extends from the second wall portion 81b. The contact point of the resilient contact portion 84 that comes into contact with the first shield member 21 is located above the lower edge of the second wall portion 81b. The contact points of the resilient contact portions 84 that come into contact with the first shield member 21 are located outside (outside in the Y direction) of the outer surface (outer surface in the Y direction) of the second wall portion 81b.
[0102] The elastic contact portion 84 is provided at a position where it can come into contact with the inclined plate portions 64a, 64b of the first shield member 21 during the connection operation. Specifically, the position in the X direction at which the elastic contact portion 84 is provided is within the range in the X direction at which the second inclined plate portion 64b is provided.
[0103] <Action and effect> Next, the effects of this embodiment will be described.
[0104] 1 and 2, in this embodiment, the pair of shield members 21, 22 includes a first shield member 21 attached to a first attachment object 91 and a second shield member 22 attached to a second attachment object 92. The first shield member 21 and the second shield member 22 face each other in the vertical direction (Z direction). The first shield member 21 has a first component portion 60 , and the second shield member 22 has a second component portion 80 . The first component 60 has first shield parts 61 and 62 that shield the objects to be shielded 11 and 12 from a direction perpendicular to the up-down direction (Z direction). The second component 80 has a second shield part 81 that shields the objects 11 and 12 from a direction perpendicular to the up-down direction (Z direction). Therefore, the first shield parts 61, 62 and the second shield part 81 can shield the objects 11, 12 from a direction perpendicular to the up-down direction (Z direction).
[0105] In this embodiment, as shown in FIG. 2, at least a portion of the second shield part 81 can overlap with the first shield parts 61 and 62 in the vertical direction (Z direction). This makes it possible to eliminate or reduce the vertical gap that occurs between the first shielding member 21 and the second shielding member 22. As a result, it is possible to suppress a decrease in shielding performance.
[0106] In this embodiment, as shown in FIG. 1, at least one of the first constituent part 60 and the second constituent part 80 does not have a portion that is fixed to the objects 11, 12 to be shielded. Therefore, it is not necessary to provide at least one of the first component part 60 and the second component part 80 with a structure for fixing them to the objects to be shielded 11, 12. As a result, the structure of the pair of shield members 21, 22 can be simplified.
[0107] In this embodiment, the first shield member 21 has a fixed part 50 that is fixed to the first attachment object 91, and a movable part 60 as a first component part 60 that is displaceable relative to the fixed part 50. The movable part 60 is displaceable relative to the fixed part 50 in a direction perpendicular to the up-down direction. Therefore, the first component 60 is displaceable in a direction perpendicular to the up-down direction (Z direction) relative to the first attachment object 91. As a result, it is possible to accommodate misalignment between the first shield member 21 and the second shield member 22 (misalignment in a direction perpendicular to the up-down direction (Z direction)).
[0108] 4, the first shield member 21 has an elastic support portion 70 that supports the movable portion 60 so that the movable portion 60 can be displaced. The elastic support portion 70 has a spring piece 72 that connects the fixed portion 50 and the movable portion 60. Therefore, the movable portion 60 (first component portion 60) can be elastically displaced.
[0109] In this embodiment, the plate material that forms the first shielding member 21 is thinner than the plate material that forms the second shielding member 22, as shown in FIG. Therefore, the spring piece 72 can be made of a thin plate material, and flexibility of the elastic support portion 70 can be ensured.
[0110] However, if an elastic contact portion for electrically connecting the first shielding member 21 and the second shielding member 22 by elastic contact is provided in the first component 60, the structure of the first shielding member 21 having the elastic support portion 70 becomes even more complicated. Therefore, in this embodiment, the second component 80 has an elastic contact portion 84 that elastically contacts the first component 60. Therefore, the structure of the first shield member 21 can be prevented from becoming complicated.
[0111] However, when the elastic support parts 70 are formed, gaps tend to occur around the elastic support parts 70. These gaps lead to a decrease in shielding performance. Therefore, in this embodiment, the first shield member 21 includes a closing wall portion 62b that is disposed inside or outside the elastic support portion . Therefore, the closing wall portion 62b can close the gap that occurs around the elastic support portion 70. As a result, the shielding performance can be improved.
[0112] In this embodiment, the pair of shield members 21 and 22 are provided with component force generating portions 64a and 64b that generate component forces that displace the movable portion 60 relative to the fixed portion 50 in a direction perpendicular to the up-down direction. Therefore, it is easy to displace the movable portion 60 in an appropriate direction.
[0113] In this embodiment, the first shield parts 61 and 62 have a first cylindrical part 61 , and the second shield part 81 has a second cylindrical part 81 . Therefore, the objects to be shielded 11, 12 can be surrounded in a direction perpendicular to the up-down direction by the first cylindrical portion 61 and the second cylindrical portion 81. As a result, high shielding performance can be achieved.
[0114] In this embodiment, the first shield member 21 has upward direction restricting portions 59, 69 that restrict the movable portion 60 from being excessively displaced in the upward direction (+Z direction). Therefore, it is possible to prevent the movable part 60 from being excessively displaced upward (in the +Z direction).
[0115] In this embodiment, neither the first component 60 nor the second component 80 has a portion that is fixed to the objects 11 and 12 to be shielded. This allows the structure of the pair of shield members 21 and 22 to be simplified. Furthermore, in this embodiment, the first shield member 21 does not have any portion that is fixed to the objects 11 and 12 to be shielded. Therefore, the structure of the pair of shield members 21 and 22 can be further simplified.
[0116] Although the preferred embodiments of the connector of the present disclosure have been described above, the present disclosure is not limited thereto. [Explanation of symbols]
[0117] 11,12 Connector pair (electronic components, shielded objects) 11 First Connector 12 Second connector 21, 22 Shielding member pair (shield) 21 First shield member 22 Second shield member 50 Fixed part 51 Fixed shield part (cylindrical part) 51a First wall 51b Second wall part 59 Bent part (upward regulation mechanism) 60 Movable part (first component) 61, 62 Movable shield part (first shield part) 61 inner cylindrical portion (first cylindrical portion) 61a First inner wall part 61b Second inner wall part (contact part) 62 outer cylindrical part 62a First outer wall 62b Second outer wall (closing wall) 64a, 64b Inclined plate part (component force generation part) 64a First inclined plate portion (component force generating portion) 64b Second inclined plate part (component force generation part) 69 Through hole (upward regulation mechanism) 70 Elastic support part 71 Spring part 72 Spring piece 72a One side extension 72b Other side extension part 72c folded part 80 Fixed part (second component) 81 Fixed shield part (second cylindrical part, second shield part) 81a First wall 81b Second wall section 84 Elastic contact part 91 First substrate (first mounting object) 92 Second board (second mounting object) 100 Shield structure
Claims
1. A pair of shielding members for shielding an object to be shielded, The pair of shield members are a first shield member attached to a first attachment object; a second shield member attached to the second attachment object, the first shielding member and the second shielding member face each other in the up-down direction, the first shield member has a first component portion, the second shield member has a second component portion, The first component part has a first shield part that shields the object to be shielded from a direction perpendicular to a top-bottom direction, the second component portion has a second shield portion that shields the object to be shielded from a direction perpendicular to a top-bottom direction, At least a portion of the second shield portion can overlap with the first shield portion in the vertical direction, At least one of the first component part and the second component part does not have a part that is fixed to the object to be shielded. Shielding member pair.
2. The first shield member a fixing portion fixed to the first attachment object; a movable portion as the first component portion that is displaceable relative to the fixed portion; and The movable portion is displaceable in a direction perpendicular to the up-down direction relative to the fixed portion. The pair of shield members according to claim 1 .
3. The first shield member an elastic support portion that supports the movable portion so that the movable portion can be displaced; The elastic support portion has a spring piece that connects the fixed portion and the movable portion. The pair of shield members according to claim 2 .
4. The plate material constituting the first shielding member is thinner than the plate material constituting the second shielding member. The pair of shield members according to claim 3 .
5. The first shield member an elastic support portion that supports the movable portion so that the movable portion can be displaced; the elastic support portion has a spring piece that connects the fixed portion and the movable portion, The second component has an elastic contact portion that elastically contacts the first component. The pair of shield members according to claim 2 .
6. The first shield member an elastic support portion that supports the movable portion so that the movable portion can be displaced; the elastic support portion has a spring piece that connects the fixed portion and the movable portion, the movable portion has an elastic contact portion that elastically contacts the second component portion, The pair of shield members according to claim 2 .
7. The first shield member includes a closing wall portion disposed inside or outside the elastic support portion. The pair of shield members according to claim 3 .
8. The pair of shield members includes a component force generating unit that generates a component force that displaces the movable unit in a direction perpendicular to the up-down direction relative to the fixed unit. The pair of shield members according to claim 2 .
9. The first shield portion has a first cylindrical portion, the second shield portion has a second cylindrical portion, At least a portion of the second cylindrical portion is capable of overlapping with the first cylindrical portion in the vertical direction. The pair of shield members according to claim 1 .
10. The first shield member has an upward direction restricting portion that restricts the movable portion from being excessively displaced upward. The pair of shield members according to claim 2 .
11. Neither the first component nor the second component has a portion that is fixed to the object to be shielded. The pair of shield members according to claim 1 .
12. The first shield member does not have a portion that is fixed to the object to be shielded. The pair of shield members according to claim 1 .
Citation Information
Patent Citations
Connector
JP2021096933A