TWM541702U - Shielding apparatus - Google Patents

Description

Mask device

The present invention relates to a mask device, and more particularly to a mask device having a separable divider strip.

Electromagnetic interference is one of the common problems in electronic equipment. Usually, the circuit generates electromagnetic waves in the application, which affects the signal transmission and working performance of other electronic devices. In order to reduce the degree of such interference, a cover made of a conductive material may be disposed around the electronic device, which can eliminate static electricity accumulation and absorb electromagnetic fields, thereby realizing the function of the electromagnetic mask.

The masking device of the electronic device disclosed in Chinese Patent No. CN 2514579Y, published on October 2, 2002, comprises a lower frame and an upper cover, the lower frame being disposed on the circuit board to frame the electronic device to be masked, the lower frame The utility model comprises a plurality of side walls, and a plurality of through holes are arranged on the side wall, the upper cover comprises a top plate and a vertical piece disposed from a circumferential side of the top plate, wherein the hanging piece is provided with a plurality of protrusions, when the upper cover is assembled on the lower frame, the lower cover The through hole of the frame and the protrusion corresponding to the corresponding position on the upper cover tab are engaged with each other to hold the upper cover on the lower frame; the lower frame further comprises an intermediate wall integrally formed with the side wall, the intermediate wall is for receiving the mask device The space is divided into two or more.

However, the integral molding of the intermediate wall and the side wall results in a complicated manufacturing process, and the upper cover tab is only disposed on one side of the lower frame, so that the upper cover and the lower frame need to be tightly matched to meet the requirements of stable and reliable assembly, but this arrangement is not conducive to disassembly. .

Therefore, it is necessary to improve the masking device of the existing electronic device to overcome the drawbacks described in the prior art.

The purpose of the present invention is to provide a masking device for an electronic device having a separable divider strip.

In order to achieve the foregoing object, the mask device of the present invention can be realized by the following technical solutions: a mask device comprising a cover body and a partition strip assembled to the cover body, the cover body being surrounded by a receiving cavity, the partition having a fixing portion that is fixedly engaged with the cover body and a partition portion that partitions the receiving cavity into at least two receiving spaces, the cover body has a top plate and a clamping mechanism extending downward from the top plate, and the clamping mechanism is respectively provided with a clamping mechanism The first clamping portion and the second clamping portion are held on opposite sides of the holding portion of the partitioning strip.

Compared with the prior art, the mask device of the present invention has the following effects: the first and second clamping portions of the clamping mechanism cooperate with the partitioning strip to make the cover body and the dividing strip assembled reliably while being easy to disassemble.

The first picture is a three-dimensional combination diagram of the mask device of the present creation.

The second figure is a three-dimensional combination view of the mask device shown in the first figure as viewed from the bottom.

The third figure is a perspective assembled view of another angle of the mask device shown in the second figure.

The fourth figure is an exploded perspective view of the mask device shown in the third figure.

The fifth figure is a partial enlarged view of the mask device shown in the fourth figure.

Figure 6 is a partial cross-sectional view of the mask device shown in the second figure taken along line VI-VI.

Figure 7 is a partial cross-sectional view of the mask device shown in Figure 2 taken along the line VII-VII.

Referring to the first to third figures, the mask device 100 of the electronic device (not shown) includes a cover 1 and a partition 3 and a bracket 2 assembled to the cover 1 , wherein the cover 1 The partition strip 3 and the bracket 2 are made of a metal material, and at least one of the bracket 2 and the partition strip 3 can be mounted and fixed to a circuit board 4. In this embodiment, the bracket 2 and the partition strip 3 are both disposed to be Soldering is fixed to the circuit board 4. Of course, in other embodiments, the selection may be made according to actual needs. When the partition strip 3 or the bracket 2 does not need to be welded, a material such as stainless steel or aluminum may be selected; when the partition strip 3 or the bracket 2 needs to be welded, copper may be selected. The alloy material is used to make the partition strip 3 or the bracket 2 solderable to the circuit board 4. Of course, the separator strip 3 or the bracket 2 can also have a soldering function by means of a stainless steel plating weldable layer.

Referring to the first embodiment, for the convenience of the description of the specific embodiment, the direction biased toward the center of the cover 1 is defined as "inner", and the direction biased toward the periphery of the cover 1 is defined as "outer", and the cover is The direction in which the cover 4 is fastened to the circuit board 4 is defined as "lower", and the direction in which the cover 1 is detached from the circuit board 4 is defined as "up".

Referring to the first and fifth figures, the cover body 1 includes a top plate 10, a clamping mechanism 14 and a side wall 13 bent downwardly from the side edge of the top plate 10 and vertically oriented, and a top plate 10, a clamping mechanism 14 and The side wall 13 encloses a receiving cavity 15 formed. The top plate 10 of the cover 1 is provided with a plurality of circular holes 101, which ensures that the mask device 100 can achieve a good heat dissipation effect during the SMT (surface-mount technology) welding process, and also for the electronic device in the subsequent use process. The heat generated (not shown) has a good dissipation effect. The top plate 10 of the cover 1 has a center of gravity area 102 which is not subjected to a punching process to facilitate suction of the nozzle during automatic welding. In the present embodiment, the clamping mechanism 14 is integrally formed with the top plate 10, and of course, the clamping mechanism 14 can be held at any position of the top plate 10 by fixing or welding or the like according to actual needs.

Referring to the third to fifth figures, the bracket 2 is assembled at a corner around the cover 1 and is provided with an angle corresponding to the aforementioned corner and two clips 23 forming the aforementioned angle, the bracket Both of the clips 23 of the 2 are clamped in at least one of the clamping mechanisms 14. In the present embodiment, the cover body 1 is L-shaped, and the corners around the cover body 1 are disposed at right angles, and the cover body 1 is provided with four brackets 2 having an angle of 90 degrees to be disposed at four corners disposed at the corners of the cover body 1. The clamping mechanism 14 cooperates. The bracket 2 is disposed at the corner of the cover body 1 on the one hand to eliminate the gap 103 at the corner of the cover body 1 to enhance the masking effect of the mask device 100 and reduce the harm of electromagnetic radiation to the user. The first clamping portion 11 and the second clamping portion 12 around the cover body 1 are fastened to prevent the outer sheet from collapsing, thereby causing the cover body 1 to be detached from the circuit board 4 or the masking effect to be lost.

Referring to FIG. 3 to FIG. 5 , the partitioning strip 3 has a holding portion 31 fixedly engaged with the clamping mechanism 14 of the cover body 1 and a partition portion separating the receiving cavity 15 into at least two receiving spaces. 32. In the present embodiment, the mask device 100 is provided with a dividing strip 3, the dividing strip 3 is L-shaped, and the dividing strip 3 is provided with two holding portions 31 respectively located at opposite ends of the L-shaped dividing strip 3, one of which is held The portion 31 is held at a corner around the cover 1 . Of course, in other embodiments, the partition strip 3 may be disposed to have one or more holding portions 31 , and the partition strip 3 may also be set to a specific shape according to actual needs. The receiving chamber 15 is divided into a specific number and a specific shape, and in addition, the mask device 100 may be provided with a plurality of dividing strips 3.

Referring to FIGS. 3 to 5 , the clamping mechanism 14 is provided with first clamping portions 11 respectively clamped on opposite sides of the holding portion 31 of the partitioning strip 3 and opposite sides of the bracket 2 and The second clamping portion 12. The first clamping portion 11 and the second clamping portion 12 are all elastic, and are arranged to facilitate the disassembly inspection of the cover 1 when the test abnormality or the electronic device (not shown) is damaged, and then re-close after the operation is completed. The requirements of the cover 1 are combined. At the same time, the cooperation of the first clamping portion 11 and the second clamping portion 12 of the clamping mechanism 14 with the partitioning strip 3 and the bracket 2 makes the covering body 1 reliable in assembly and easy to disassemble. In addition, the design of the clamping mechanism 14 on the cover body 1 contributes to the simplification of the structural design of the partitioning strip 3 and the bracket 2, thereby facilitating the improvement of the service life of the partitioning strip 3 and the bracket 2. Since the separator strip 3 or the bracket 2 is usually welded to the circuit board 4 in the prior art, the increase in the service life of the partition strip 3 or the bracket 2 can avoid complicated operations of detaching, replacing or repairing the partition strip 3 or the bracket 2 from the circuit board 4. The provision of the clamping mechanism 14 to the cover body 1 also facilitates the flexibility of the design of the partitioning strip 3 and the bracket 2, such as the partitioning strip 3 and the bracket 2 being designed in the form of a sheet or a strip to occupy a small space. The arrangement is tighter in an electronic device (not shown) suitable for the circuit board 4.

Referring to the fourth embodiment, in the embodiment, the bracket 2 and the partitioning strip 3 are all sheets, and respectively have welding surfaces 21 and 33 which are arranged with upper and lower concave and convex portions, thereby facilitating integration into the welding process. A lot of solder (not shown). The cross-sectional shape of the bracket 2 and the partitioning strip 3 are exactly the same, so that the bracket 2 and the partitioning strip 3 can be produced by a metal strip (not shown) having a specific cross section by a cutting and bending operation or the like. Therefore, the manufacturing process is simplified and the production cost is reduced.

Referring to the first, fourth, and fifth figures, the first clamping portion 11 is biased toward the center of the cover 1 , and the second clamping portion 12 is biased toward the periphery of the cover 1 , that is, The one clamping portion 11 and the second clamping portion 12 are offset from each other in the inner and outer directions perpendicular to the side edges of the top plate 10. In addition, the first clamping portion 11 and the second clamping portion 12 are staggered along the extending direction of the side edge of the top plate 10 of the cover body 1. The staggering herein includes partial overlap and no overlap at all, so as to facilitate separation. The combination of the strip 3 and the cover 2 is more stable and reliable. In the present embodiment, the first clamping portion 11 and the second clamping portion 12 are completely offset (ie, spaced apart) in the inner and outer directions perpendicular to the side edges of the top plate 10, so that the manufacturing process is simple and the productivity is improved. In this embodiment, the first clamping portion 11 and the second clamping portion 12 are vertically oriented. Of course, in other embodiments, the first clamping portion 11 and the second clamping portion 12 satisfy the holding partition 3 and the bracket. 2 can also be set to be at any angle to each other. The cover body 1 in this embodiment is specifically configured as follows: the first clamping portion 11, the second clamping portion 12, and the side wall 13 of the cover body 1 are respectively disposed along a peripheral region thereof by a flat substrate (not shown). The first fold line 111, the second fold line 121, and the third fold line 131 are formed by punching and bending downward and vertically oriented, and any adjacent one of the first clamping portion 11 or the second clamping portion 12 or the side wall 13 The process is formed by stamping to facilitate the above bending operation. The second and third fold lines 121 and 131 are opposite to the first fold line 111, and the third fold line 131 is substantially flush with the second fold line 121. Accordingly, the side wall 13 is substantially flush with the second clamp portion 12. And is disposed outside with respect to the first clamping portion 11.

Referring to the fourth and fifth figures, further, the first clamping portion 11 and the second clamping portion 12 are respectively provided with circular bumps or grooves, and the dividing strip 3 and the bracket 2 are in the same manner as the first A portion where the clamping portion 11 and the second clamping portion 12 abut each other is provided with a groove or a circular bump, so that the cover 1 and the partitioning strip 3 or the bracket 2 are fixed to each other by the groove and the circular bump. Among them, the design of the circular bumps makes the cover 1 have a circular arc transition during the fastening and disassembly, so that the operation is simple and easy. In this embodiment, the first clamping portion 11 and the second clamping portion 12 are respectively provided with outwardly and inwardly protruding circular bumps 141, and the partitioning strips 3 and the brackets 2 are provided with circular through holes extending through opposite sides. 34, 22 are engaged with the circular bump 141.

Referring to the second, sixth and seventh figures, there is a gap 5 between the first clamping portion 11 and the second clamping portion 12 and the partitioning strip 3 and the bracket 2 so that the cover 1 and the dividing strip 3 are provided. The assembly of the bracket 2 is firm and reliable, and is also easy to disassemble.

Referring to the third to fifth figures, in the present embodiment, the mask device 100 is provided with a plurality of side walls 13 and a plurality of clamping mechanisms 14 around the top plate 10. The clamping mechanism 14 is along the top plate 10. A pair of side walls 13 are provided at both ends of the side edge extending direction, and the pair of side walls 13 are provided with a pair of clamping mechanisms 14 at the longitudinal ends of the direction in which the side edges of the top plate 10 extend. In this embodiment, the side wall 13 abuts against the outer side of the partition strip 3 and the bracket 2 and applies an inward clamping force to the partition strip 3 and the bracket 2, so that the side wall 13 acts on the partition strip 3 and the bracket 2 The second holding portion 12 has substantially the same effect on the partitioning strip 3 and the bracket 2. Meanwhile, since the pair of clamping mechanisms 14 are provided at the longitudinal ends of the side wall 13 in the direction in which the side edges of the top plate 10 extend, the longitudinal ends of the side walls 13 are both subjected to the outward clamping from the partitioning strip 3 or the bracket 2. Force, avoiding the side wall 13 from warping due to single-ended stress.

Referring to the third to fifth figures, in the present embodiment, the mask device 100 is provided with a plurality of brackets 2, which are arranged on the one hand, so that the cover body 1 can be fixedly fixed by the partial configuration bracket 2, and is detachable. The function, thereby reducing the amount of consumables of the bracket 2, on the other hand, because the detachable structure composed of the clamping mechanism 14 and the bracket 2 is stable and reliable, and the manufacturing is simple, and the bracket 2 can be set to different shapes and different numbers according to actual needs. The different positions applied to the cover 1 make the design application of the mask device 100 more flexible.

Referring to the third to fifth figures, in the embodiment, the bracket 2 and the partition strip 3 are separated from each other, and of course, in other embodiments, the partition strip can be set to one or more brackets according to actual needs. One piece.

Referring to the third to fifth figures, in the present embodiment, the mask device 100 is provided with a bracket 2, of course, in other embodiments, the mask device 100 may not be provided with the bracket 2, only through the divider 3 Or the side wall 13 is fixed to the circuit board 4.

Referring to the fifth figure, the lower edge of the first clamping portion 11 of the cover 1 and the lower edge of the side wall 13 and the second clamping portion 12 are respectively bent inwardly and outwardly to form a guiding surface. The guiding partition 3 and the bracket 2 are press-fitted into the clamping mechanism 14 to make the assembly smooth, and on the other hand, it helps to avoid the first clamping portion 11 and the second clamping portion 12 when the solder (not shown) is excessive. The side wall 13 interferes with solder (not shown).

Referring to the first figure and the third to fifth FIG. 3, when assembling, the partition 3 and the bracket are first guided under the guidance of the first clamping portion 11, the second clamping portion 12 and the lower edge of the side wall 13. 2 Pressing the clamping mechanism 14 of the cover 1 from bottom to top, the first clamping portion 11 and the second clamping portion 12 of the clamping mechanism 14 are opened away from the separation strip 3 and the bracket 2 and pressed against the separation. The strips 3 and the opposite sides of the bracket 2, while the circular protrusions 141 of the first clamping portion 11 and the second clamping portion 12 smoothly slide into the partitioning strip 3 and the circular through hole 34 of the bracket 2 by the circular arc transition. And 22 are positioned by the snapping; secondly, the un-perforated center of gravity area 102 on the top plate 10 of the cover 1 is sucked by the suction device to perform an automatic SMT welding operation on the cover 1 in which the partition 3 and the bracket 2 are assembled, so that the partition 3 is The welding faces 33, 21 of the bracket 2 are positioned at corresponding positions of the circuit board 4 and fixed to the circuit board 4 by a reflow operation, and finally the mask device 100 is fixed in the form of the circuit board 4.

Referring to the first figure and the third to fifth figures, when the disassembly is performed, an outward external force is applied to the cover body 1, the first clamping portion 11, the circular protrusion 141 of the second clamping portion 12, and the separation strip 3 The circular through holes 34 and 22 of the bracket 2 are displaced in the up and down direction, and the first clamping portion 11 and the second clamping portion 12 smoothly slide out of the circular passage by the circular arc of the circular convex portion 141. The holes 34, 22 are pressed against the opposite sides of the bracket 2, and correspondingly, the first clamping portion 11 and the second clamping portion 12 are opened away from the bracket 2 until the cover 1 is completely separated from the partition strip 3, When the bracket 2 is restored, the deformation is restored.

In summary, this creation is in line with the new patent requirements, and the patent application is filed according to law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and those who are familiar with the skill of the present invention are equivalent to the equivalent modifications or changes made by the spirit of the present creation. It should be covered by the following patent application.

100‧‧‧Mask device

14‧‧‧Clamping mechanism

1‧‧‧ Cover

141‧‧‧circular bumps

10‧‧‧ top board

15‧‧‧ containment chamber

101‧‧‧ round hole

2‧‧‧ bracket

102‧‧‧Center of gravity

23‧‧‧

103‧‧‧ gap

3‧‧‧Separator

11‧‧‧First clamping section

31‧‧‧ Holding Department

111‧‧‧First fold line

32‧‧‧Departure

12‧‧‧Second gripping section

21, 33‧‧‧ welding surface

121‧‧‧Second line

22, 34‧‧‧round through hole

13‧‧‧ side wall

4‧‧‧ boards

131‧‧‧ third fold line

5‧‧‧ gap

1‧‧‧ Cover

31‧‧‧ Holding Department

15‧‧‧ containment chamber

32‧‧‧Departure

2‧‧‧ bracket

Claims (10)

A mask device comprising:
The cover body is surrounded by a receiving cavity; and the partitioning strip is assembled to the cover body and includes a retaining portion that is fixedly engaged with the cover body and a partition portion that partitions the receiving cavity into at least two receiving spaces;
The cover body has a top plate and a clamping mechanism extending downward from the top plate, and the clamping mechanism is provided with a first clamping portion and a second clamping portion respectively clamped on opposite sides of the holding portion of the partitioning strip. The masking device of claim 1, wherein the first clamping portion and the second clamping portion are formed by bending downwardly from the side edge of the top plate, and are arranged along the extending direction of the side edge of the top plate. And staggered along the inner and outer directions perpendicular to the side edges of the aforementioned top plate. The masking device of claim 2, wherein a pair of side walls are disposed at two ends of the clamping mechanism along a direction in which the side edges of the top plate extend, and the longitudinal ends of the side walls extending along a side edge of the top plate A pair of the above clamping mechanisms are provided. The mask device according to claim 3, wherein the partition strip has an L shape and is provided with two retaining portions, and the two retaining portions are respectively located at opposite ends of the L-shaped partition strip. The masking device of claim 3, wherein the sidewall and the second clamping portion are aligned with each other in a direction in which the side edges of the top panel extend, the lower edge of the sidewall and the lower edge of the second clamping portion Bending outward, the lower edge of the first clamping portion is bent inward. The masking device of claim 5, wherein the first clamping portion and the second clamping portion are each provided with a groove or a circular protrusion, and the dividing strip is in the first clamping portion A portion of the second clamping portion that abuts the second clamping portion is provided with a circular protrusion or a groove, and the groove is engaged with the circular convex portion. The mask device according to claim 6, wherein a gap is provided between the first clamping portion, the second clamping portion and the partitioning strip. The mask device of claim 3, wherein the mask device is provided with a plurality of side walls, a plurality of clamping mechanisms, and a plurality of brackets matched with the clamping mechanism around the top plate, wherein the bracket is assembled to the cover The corners around the body are provided with an angle corresponding to the aforementioned corner and two sides forming the aforementioned angle, and the two sides of the bracket are clamped in the at least one clamping mechanism. The mask device of claim 8, wherein the bracket is separated from the partition, and at least one of the bracket and the strip is mountable to a circuit board. The mask device of claim 8, wherein the bracket and the partition strip are both sheets and each has a welded surface provided with upper and lower concave and convex portions, and the cross-sectional shape of the bracket and the partition strip are exactly the same.