JP3084215U - Shield case for mounting electronic components - Google Patents

Abstract

(57) [Problem] To provide a shield case for mounting an electronic component, which can be formed easily, inexpensively, and in a short time. SOLUTION: A shield case 1 for mounting an electronic component has a side shield wall 3 and a partition shield wall 3 erected on a substrate 2. Each of the shield walls 3 and 4 has a groove 7 on the upper edge and a wall material 3a, 3b, 4a of a predetermined length having a ridge 8 on the lower edge.
4b and 4c are erected by fitting the ridges 8 into grooves 9 and 10 having the same shape as the grooves 7 formed at predetermined positions on the substrate 2. A corner portion of each of the shield walls 3 and 4 is provided with a connecting rod 14 having two projecting ridges 14a respectively fitted into grooves 11 and 12 provided at ends of both wall members 3a, 3b, 4a, 4b and 4c. And the wall materials 3a, 3
b, the wall members 3a and 3b, the wall members 4a and 4b, and the wall members 4b
The connection is made by fitting a.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 Generally, an oscillator in a high frequency band is used by being housed in a shielded case so that the high frequency does not leak to the outside and the electronic components and devices do not interfere with each other. The present invention is intended to accommodate high-frequency band transmitters and receivers, such as large-capacity digital micro transceivers, as well as radar aviation security devices (NAVs), broadcasters, and other electronic components such as AMPs and filters. Related to a shield case for mounting electronic components.

[0002]

[Prior art]

 This type of shield case body must be manufactured in different shapes and sizes according to the respective applications. Conventionally, as shown in FIG. After forming by using a cutting process, the product is cut out by drilling, or a flat plate of aluminum required for the product is cut to a predetermined size and then cut. The shield case is constructed by covering the top of the shield case body with a top plate.

[0003]

[Problems to be solved by the invention]

 The conventional shield case body requires a mold molding and excavation process, or an excavation process from an aluminum plate of the required thickness, which is not only expensive but also takes a lot of time to create. there were. An object of the present invention is to solve these problems, and an object of the present invention is to provide a shield case for mounting an electronic component which has solved the problems.

[0004]

[Means for Solving the Problems]

 In order to achieve the above object, for example, according to the invention described in claim 1, a shield wall is erected at a predetermined portion on a substrate, a top portion is covered with a top plate, and an electronic component placement chamber is provided inside. An electronic component mounting shield case formed, wherein the shield wall has a groove formed on an upper edge thereof extending in a longitudinal direction and a protrusion formed on a lower edge of the shield wall so as to be fittable in the groove. A long wall material is erected by fitting the protrusion into a groove having the same shape as the groove formed at a predetermined portion on the substrate.

According to a second aspect of the present invention, there is provided an electronic device having a shield wall erected at a predetermined portion on a substrate, a top portion covered with a top plate, and an electronic component placement chamber formed therein. A shield case for component mounting, wherein a shield wall is formed by forming a groove extending in a longitudinal direction on an upper edge and a wall material having a predetermined length formed on a lower edge of the shield wall so as to be fittable in the groove. The protrusion is erected by fitting the ridge into a groove having the same shape as the groove formed at a predetermined portion on the substrate, and corner portions of the shield wall are formed at respective ends of both wall materials to be connected. While a groove extending in the vertical direction is provided on the edge, a connecting rod having two protrusions fitted into these grooves, respectively, and each protrusion is provided on each groove at the edge of the both wall materials. It is fitted and connected.

Further, according to the present invention, a side shield wall is erected along four sides on a square substrate, and a partition shield wall is erected inside the side shield wall. In particular, there is provided a shield case for mounting electronic components in which the top is covered with a top plate and at least two electronic component placement chambers are formed therein, wherein the side shield wall and the partition shield wall are formed by an upper edge. A wall member of a predetermined length, in which a groove extending in the longitudinal direction is formed and a protruding ridge formed on the lower edge thereof, which can be fitted in the groove, is formed in the same manner as the groove formed in a predetermined portion on the substrate. The protrusions are erected by fitting the protrusions into grooves of one shape, and each corner portion of each shield wall is provided with grooves extending vertically in the end edges of both wall materials, while these grooves are provided. A connecting rod having two protruding ridges fitted into the ridges, and each ridge is connected to each groove on the edge of the wall material. In the connection between the end of the partition shield wall and the middle part of the side shield wall, the end of the wall material of the partition shield wall was provided on the side wall of the side shield wall. This is performed by fitting into the recess.

Further, according to the present invention, a side shield wall is erected along four sides on a square substrate, and a partition shield wall is erected inside the side shield wall. An electronic component mounting shield case in which a top portion is covered with a top plate and at least two electronic component placement chambers are formed therein, wherein the side shield wall and the partition shield wall have a long side at an upper edge. A wall member of a predetermined length, in which a groove extending in the direction is formed, and a protruding ridge having a shape that can be fitted into the groove at the lower edge, is formed in the same shape as the groove formed in a predetermined portion on the substrate. By fitting the protruding ridge into the groove of the above, and fitting the protruding ridge of the lower edge into the groove of the upper edge, a plurality of wall materials are stacked and erected on the wall material. Each corner of the shield wall is provided with a vertically extending groove at the edge of both wall materials. A connecting rod having two ridges fitted into these grooves is connected by connecting each ridge to each groove at the edge of the wall material, and is connected to the end of the partition shield wall. The connection with the middle part of the side shield wall is performed by fitting the edge of the wall material of the partition shield wall into a recess provided on the side surface of the wall material in the side shield wall.

[0008]

[Embodiment of the invention]

 Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Here, FIG. 1 of the accompanying drawings is a perspective view of a shield case main body, FIG. 2 is a perspective view showing a back side of a top plate, FIG. 3 is a perspective view showing an intermediate state of assembly, and FIG. 5 is a front view of a wall material which is a corner of a side shield wall, and FIG. 6 is a front view of a wall material which is a corner of a side shield wall. Is a front view of a wall material of a side shield wall which is an open portion, FIG. 7 is a front view of a wall material having one end serving as a corner of a partition shield wall and the other end connected to the side shield wall, and FIG. 9 is a perspective view of a connecting member, FIG. 10 is a partially enlarged perspective view of a corner portion, and FIG. 11 is a partially enlarged perspective view of a connecting portion between a side shield wall and a partition shield wall. is there.

As shown in FIGS. 1 and 2, in the shield case, a side shield wall 3 is erected on a square substrate 2, and a partition shield wall 4 is provided inside the side shield wall 3. An erect main body 1a is provided, a top portion of the main body 1a is covered with a top plate 1b, and two electronic component placement chambers 5 and 6 are formed inside. A low-frequency oscillator (not shown) and other electronic components are arranged in the electronic component placement room 5, and a high-frequency oscillator (not shown) is placed in the electronic component placement room 6.

As shown in FIGS. 3 to 7, the side shield wall 3 and the partition shield wall 4 each have a groove 7 extending in the longitudinal direction at the upper edge, and the groove 7 is formed at the lower edge. A wall material 3a (see FIG. 4), a wall material 3b (see FIG. 5) obtained by cutting a long wall material (not shown) formed with a ridge 8 having a shape that can be fitted tightly into a predetermined length; The groove formed by forming a wall material 4a (see FIG. 4), a wall material 4b (see FIG. 6), and a wall material 4c (see FIG. 7) on a portion of the substrate 2 where the shield walls 3, 4 are arranged. The protruding ridges 8 are fitted to the grooves 9 and 10 having the same shape as that of the ridges 7 and stand upright. A plurality of screw holes 7a are provided at predetermined intervals in each groove 7 of the wall members 3a, 3b, 4a, 4b, 4c, and these screw holes 7a are for fixing the top plate 1b. is there.

As shown in FIG. 4, a groove 11 extending in the vertical direction is formed at one end edge of each of the wall members 3a and 4a after the cutting. Further, as shown in FIG. 5, grooves 12 having the same shape and the same size as the grooves 11 are formed on both end edges of the wall material 3b after the above-mentioned cutting. Further, as shown in FIG. 6, a notch 13 is formed in the upper part of one end edge of the wall member 4b. Further, as shown in FIG. 7, in the wall material 4c, grooves 12 having the same shape and the same size as the grooves 11 are formed on both end edges after the cutting, and one end edge is formed. A notch 13 similar to the wall member 4b is formed in the upper part of the upper part. As shown in FIG. 1, a side shield wall 3 is constituted by the wall members 3a and 3b, and a partition shield wall 4 is constituted by the wall members 4a, 4b and 4c. Further, the partition shield wall 4 is doubled.

As shown in FIG. 1, each corner portion of the side shield wall 3 is formed by connecting the wall members 3a and 3b or the wall members 3b with each other by a connecting rod 14 (FIG. 10). See). The corners of the partition shield wall 4 are formed by connecting the wall members 4a and 4b or the wall members 4b to each other. As shown in FIG. 9, the connecting rod 14 has a quadrangular prism shape, and has two projecting ridges 14a which are closely fitted to the grooves 11 and 12 on adjacent sides thereof. A screw hole 14b (only the upper surface is shown) is provided on a part surface (upper and lower surfaces in the drawing). The screw holes 14b on the upper surface are for fixing the top plate 1b with screws (not shown), and the screw holes on the lower surface (not shown) are screw holes ( (Not shown) and is fixed from the back side with screws (not shown).

As shown in FIG. 11, an end of the partition shield wall 4 is connected to an intermediate portion of the side shield wall 3 by connecting each end edge of the wall material 4b and the wall material 4c to the side surface of the wall material 3a. It is fitted into the recess 15 provided. As described above, when the respective edges of the wall members 4b and 4c are fitted into the recesses 15, the cutouts 13 of the wall members 4b and 4c are positioned corresponding to the grooves 7 of the wall member 3a. Is not blocked by the ends of the wall members 4b and 4c.

As shown in FIG. 2, on the rear surface side of the top plate 1 b, a projection 16 corresponding to the side shield wall 3 and the partition shield wall 4, and a state of protruding into the electronic component placement chamber 5. And a partition plate 17 protruding so that A screw hole 18 for inserting a fixing screw (not shown) is provided along each side of the top plate 1b. The projections 16 are fitted into the grooves 7 of the wall members 3a and 3b of the side shield wall 3 and the wall members 4a, 4b and 4c of the partition shield wall 4 to position the top plate 1b when the top plate 1b is put on the main body 1a. The screw holes 18 cover the top plate 1b on the main body 1a, and insert the screws into the wall materials 3a and 3b of the side shield wall 3 and the wall material 4a of the partition shield wall 4 as described above. , 4b, 4c for screwing into the respective screw holes 7a.

As shown in FIG. 1, through holes 19 provided in the substrate 2 and each of the wall members 3 a, 3 b, 4 a, 4 b, 4 c are for passing lead wires of electronic components. In addition, the wall lacking portions 20 and 21 provided between the side shield wall 3 and the wall members 4a and 4c outside the partition shield wall 4 are adapted to the shapes of the electronic components arranged in the electronic component placement chambers 5 and 6. It is provided. Further, the screw holes 22 provided in the substrate 2 are for fixing the shield case 1 to various devices (not shown) when the shield case 1 is incorporated in the devices.

In the shield case configured as described above, a low-frequency oscillator (not shown) and other electronic components are arranged in an electronic component placement room 5 of the main body 1, and a high frequency oscillator is placed in the electronic component placement room 6. After arranging the wave oscillator (not shown), a top plate 1b is put on the top of the main body 1, and each projection 16 is formed on the groove 7 provided on each of the upper edges of the side shield wall 3 and the partition shield wall 4. A screw (not shown) is screwed into the screw hole 7 a through each through hole 19. The shield case in which the electronic components are arranged inside in this manner is used by being fixed to a predetermined device, for example, an air navigation security device (NAV) of a radar, and is different from a conventional shield case for mounting electronic components. Similarly, the side shield wall 3 and the partition shield wall 4 prevent high frequency leakage from interfering with the low frequency oscillator and prevent other electronic components arranged outside from being adversely affected by the high frequency leakage.

The present invention is not limited to the above-described embodiment. For example, the side shield wall 3 and the partition shield wall 4 are provided on the wall members 3a, 3b, 4a, 4b, 4c separately from each other. The wall members 3a, 3b, 4a, 4b, 4c may be erected in a plurality of levels by fitting the ridges 8 and the grooves 7 to each other.

[0018]

[Effect of the invention]

 As described above, the present invention according to claim 1 has a wall having a predetermined length in which a groove extending in a longitudinal direction is formed on an upper edge, and a protrusion having a shape capable of being fitted to the groove is formed on a lower edge. Since the shield wall is made of a material, it prevents high frequency leakage as in the conventional case, and is easy to process.In addition, the shape of the electronic component placement chamber is provided on the base according to the application. It can be changed simply by setting the length of the wall material so as to conform to the groove, and it is possible to produce a variety of products at low cost and in a short time.

Further, according to the present invention, a wall material having a groove extending in the longitudinal direction formed on an upper edge and a protruding ridge formed on the lower edge so as to be able to be fitted in the groove is provided. Since the shield wall is constructed using the wall material obtained by cutting into a long length, the leakage of high frequency is prevented as in the conventional case, and, in addition, processing is easy, and electronic components are arranged according to the application. It is possible to change the shape of the room simply by cutting the wall material, making it possible to create a wide variety of products at low cost and in a short time, and connect the corners of the shield wall with connecting rods Therefore, there is an effect that processing is easy.

According to a third aspect of the present invention, there is provided a wall having a predetermined length in which a groove extending in a longitudinal direction is formed on an upper edge, and a protrusion having a shape capable of being fitted to the groove is formed on a lower edge. Since the shield wall is made of a material, it prevents leakage of high frequency as in the conventional case, and is easy to process.In addition, the shape of the electronic component placement chamber is provided on the base according to the application. It can be changed simply by setting the length of the wall material to fit the groove, making it possible to produce a wide variety of products at a low cost and in a short time. Since the connection is made by the connecting rod, the processing is easy, and the connection between the end of the partition shield wall and the middle part of the side shield wall is provided at the side of the wall material in the side shield wall. Since the fitting is performed by fitting into the recess, there is no gap between the connected wall materials, This has the effect that there is no leakage of wave radio waves.

According to a fourth aspect of the present invention, there is provided a wall having a predetermined length in which a groove extending in a longitudinal direction is formed on an upper edge, and a protrusion having a shape capable of being fitted to the groove is formed on a lower edge. Since the shield wall is made of a material, it prevents leakage of high frequency as in the conventional case, and is easy to process.In addition, the shape of the electronic component placement chamber is provided on the base according to the application. It can be changed simply by setting the length of the wall material to fit the groove, making it possible to produce a wide variety of products at a low cost and in a short time. Since the connection is made by the connecting rod, the processing is easy, and the connection between the end of the partition shield wall and the middle part of the side shield wall is provided at the side of the wall material in the side shield wall. Since the fitting is performed by fitting into the recess, there is no gap between the connected wall materials, Since there is no leakage of wave radio waves, and furthermore, since each wall material is stacked and erected in a plurality of stages, it is possible to cope with the creation of shield cases of various shapes.

[Brief description of the drawings]

FIG. 1 is a perspective view of a shield case main body.

FIG. 2 is a perspective view showing a back side of a top plate.

FIG. 3 is a perspective view showing a state during assembly.

FIG. 4 is a front view of a wall material of a side shield wall whose one end is a corner of a side shield wall or a partition shield wall.

FIG. 5 is a front view of a wall material in which both ends are corners of a side shield wall.

FIG. 6 is a front view of a wall material having one end connected to a partition shield wall and the other end serving as an open portion.

FIG. 7 is a front view of a wall material in which one end is a corner of a partition shield wall and the other end is connected to a side shield wall.

FIG. 8 is a sectional view taken along line AA of FIG. 1;

FIG. 9 is a perspective view of a connecting member.

FIG. 10 is a partially enlarged perspective view of a corner portion.

FIG. 11 is a partially enlarged perspective view showing a connection portion between a side shield wall and a partition shield wall.

FIG. 12 is a perspective view of a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Shield case 1a Main body 1b Top plate 2 Substrate 3 Side shield wall 3a, 3b Wall material 4 Partition shield wall 4a, 4b 4c Wall material 5, 6 Electronic component arrangement room 7 Groove 7a Screw hole 8 Ridge 9, 10 Groove Strips 11, 12 Grooves 13 Notches 14 Connecting rods 14a Protrusions 14b Screw holes 15 Depressions 16 Protrusions 17 Partition plates 18 Screw holes 19 Through holes 20, 21 Wall lacking portions 22 Screw holes

Claims (4)

[Utility model registration claims] 1. A shield case for mounting electronic components, comprising a shield wall standing upright at a predetermined position on a substrate, a top portion covered by a top plate, and an electronic component placement chamber formed therein. The shield wall has a groove extending in the longitudinal direction formed on the upper edge, and a wall material having a predetermined length formed with a protrusion on the lower edge capable of being fitted into the groove is formed at a predetermined position on the substrate. A shield case for mounting an electronic component, wherein the shield case is provided upright by fitting the protrusion into a groove having the same shape as the groove. 2. A shield case for mounting an electronic component, wherein a shield wall is erected at a predetermined portion on a substrate, and a top portion is covered with a top plate, and an electronic component placement chamber is formed therein. The shield wall has a groove extending in the longitudinal direction formed on the upper edge, and a wall material having a predetermined length formed with a protrusion on the lower edge capable of being fitted into the groove is formed at a predetermined position on the substrate. The ridge is erected by fitting the ridge into the groove having the same shape as the groove, and the corner portion of the shield wall has a groove extending vertically in each end edge of both wall materials to be connected. On the other hand, a connecting rod having two ridges fitted into these grooves, respectively, is fitted with each ridge and connected to each groove at the edge of the wall material. Shield case for mounting electronic parts. 3. A side shield wall is erected along four sides on a square substrate, a partition shield wall is erected inside the side shield wall, and a top is covered with a top plate.
An electronic component mounting shield case having at least two electronic component placement chambers formed therein, wherein a side shield wall and a partition shield wall form a groove extending in a longitudinal direction at an upper edge and a lower edge at a lower edge. A wall material of a predetermined length formed with a ridge having a shape capable of being fitted to the groove is erected by fitting the ridge into a groove having the same shape as the groove formed at a predetermined portion on the substrate. Each corner portion of each shield wall is provided with a groove extending in the vertical direction at the end edge of both wall materials, and a connecting rod having two protrusions fitted into these grooves is formed. Each ridge is fitted and connected to each groove on the edge of the wall material, and
The connection between the end of the partition shield wall and the middle part of the side shield wall is performed by fitting the edge of the wall material of the partition shield wall into a recess provided on the side wall of the side shield wall. Shield case for mounting electronic components. 4. A side shield wall is erected along four sides on a square substrate, a partition shield wall is erected inside the side shield wall, and a top is covered with a top plate.
An electronic component mounting shield case having at least two electronic component placement chambers formed therein, wherein a side shield wall and a partition shield wall form a groove extending in a longitudinal direction at an upper edge and a lower edge at a lower edge. A wall material of a predetermined length formed with a ridge having a shape capable of being fitted to the groove, and the ridge is fitted to a groove having the same shape as the groove formed at a predetermined portion on the substrate,
By fitting the lower edge projections into the upper edge grooves, the wall materials are stacked up on the wall material in a plurality of steps, and each corner portion of each shield wall is located at the end of both wall materials. While a groove extending in the vertical direction is provided on the edge, a connecting rod having two protrusions fitted into these grooves is fitted with each protrusion into each groove at the edge of the wall material. The connection between the end of the partition shield wall and the middle part of the side shield wall is performed by fitting the edge of the wall material of the partition shield wall into the recess provided on the side wall of the side shield wall. A shield case for mounting electronic components, characterized in that the shield case is mounted.