JP6152031B2 - Series unit - Google Patents

Description

  The present invention relates to a serial unit that is installed on an indoor wall surface or the like and supplies a reception signal to an indoor television receiver or the like.

The series unit is generally used by being attached to a box-like box embedded in an indoor wall surface. The serial unit has an output coaxial terminal for connecting to an indoor TV receiver or the like with a coaxial cable, and an input cable connected to a coaxial cable that guides a received signal such as an antenna arranged in the internal space of the wall. A coaxial terminal is provided.
An example of the configuration of a conventional series unit is shown in FIGS. 30 is a front view showing the configuration of the conventional series unit 100, FIG. 31 is an exploded side view showing the configuration of the conventional series unit 100, and FIG. 32 is a side view showing the configuration of the conventional series unit 100. FIG.

  As shown in FIG. 31, the conventional series unit 100 includes a shield case 111, a terminal block 112, and a dedicated frame 110. The shield case 111 is made of metal, an input terminal 115 is provided at the rear, and a first output terminal 113 and a second output terminal 114 are provided on the front surface. The input terminal 115 is connected to a coaxial cable that guides a reception signal. The reception signal is distributed by a distribution circuit housed in the shield case 111 and output from the first output terminal 113 and the second output terminal 114. By connecting the coaxial cable connected to the first output terminal 113 or the second output terminal 114 to a television receiver or the like, the reception signal can be received by the television receiver or the like. In addition, on both sides of the front surface of the shield case 111, engaging portions 111a in which elongated rectangular holes are formed are erected and formed one above the other. Furthermore, extending portions 111 c each having a dedicated frame mounting claw piece 111 b formed at the tip thereof are formed on the upper and lower sides of the shield case 111.

  A terminal block 112 made of resin is fitted so as to cover the front surface of the shield case 111. The terminal block 112 is formed with a stepped portion at the front end portion to increase the thickness, and an engagement piece 112b formed with a taper portion that decreases in thickness from the stepped portion toward the front end is provided on the upper and lower sides of both side surfaces. It is formed one after another. In addition, two cylindrical portions 112c into which the first output terminal 113 and the second output terminal 114 can be inserted are formed on the terminal block 112 so as to protrude rearward. When the terminal block 112 is fitted so as to cover the front surface of the shield case 111, the distal end portions of the engagement pieces 112b formed on both side surfaces of the terminal block 112 are engaged with the engagement portions 111a formed on the shield case 111, respectively. In addition, the first output terminal 113 and the second output terminal 114 are inserted into the cylindrical portion 112c. Thereby, the terminal block 112 is fitted to the front surface of the shield case 111 so as to be integrated.

The dedicated frame 110 is made of resin, and a rectangular opening into which the terminal block 112 can be fitted is formed at the center. In addition, an insertion hole 110b that is a long hole is formed above and below the dedicated frame 110, and a pair of screw attachment holes 110c are formed outside the insertion hole 110b. Further, three claw piece mounting portions 110 d are formed on both side surfaces of the dedicated frame 110. A shield case 111 in which a terminal block 112 is integrally fitted is fitted to the dedicated frame 110. When the shield case 111 in which the terminal block 112 is fitted to the dedicated frame 110 is fitted, the dedicated frame mounting claw pieces 111b formed at the tips of the four extending portions 111c of the shield case 111 are The dedicated frame 110 is integrally fitted to the shield case 111 by being respectively engaged with the claw piece mounting portions 110d provided on both sides of the shield case.
As a result, as shown in FIGS. 30 and 32, a series unit 100 is formed in which the dedicated frame 110, the terminal block 112, and the shield case 111 are integrated. The height from the rear surface of the dedicated frame 110 of the series unit 100 to the front surface of the terminal block 112 is t1. The height t1 is about 8 mm, for example.

FIG. 33 is a side view of the configuration in which the series unit 100 is attached to the indoor wall 120, and FIG. 34 is a front view thereof. As shown in these drawings, the wall portion 120 is provided with a rectangular attachment opening 121. The vertical dimension of the mounting opening 121 is substantially the same as the dimension between the two insertion holes 110b of the special frame 110, and the horizontal dimension is larger than the horizontal width of the special frame. Then, the series unit 100 faces the mounting opening 121, and wood screws are respectively inserted into a pair of screw mounting holes 110 c formed on the upper and lower sides of the dedicated frame 110 of the series unit 100, and the upper and lower wall portions 120 of the mounting opening 121 are inserted. Screw in. Thereby, the serial unit 100 is fixed to the wall 120. A decorative plate 116 that closes the front surface of the serial unit 100 is attached to the front surface of the dedicated frame 110 of the serial unit 100 as shown in FIG. The decorative plate 116 is a set with the plate frame 117, and screws inserted into holes (not shown) provided above and below the plate frame 117 are used as a pair of screw mounting holes 110 c in the dedicated frame 110 of the series unit 100. The plate frame 117 is fixed to the front surface of the series unit 100 by being screwed into the screw holes formed therebetween. A decorative plate 116 is fitted to the plate frame 117. In this case, the decorative plate 116 is detachably fixed to the plate frame 117 by engagement means (not shown). At this time, the height from the front surface of the wall 120 to the front surface of the decorative plate 116 is t2, and the height t2 is substantially the same as the height t1, so that the front surface of the decorative plate 116 is shown in FIG. And the front surface of the terminal block 112 are almost the same height, and the appearance can be improved. In FIG. 34, the plate frame 117 is omitted.
Further, since the front surface of the series unit 100 is blocked by the decorative plate 116, it is possible to prevent dust, moisture, and the like from entering the series unit 100. In addition, the serial unit 100 can be accommodated in the box by installing a box-like box inside the wall portion 120 so as to be embedded in accordance with the position of the mounting opening 121.

  By the way, there are different types of decorative plates, and there are different types of decorative plates in which the height from the front surface of the wall 120 to the front surface of the decorative plate is a height t3 different from t2. For example, the height t2 is about 8 mm, and the height t3 is about 10 mm. FIG. 35 is a cross-sectional side view showing a configuration in which a decorative plate 116 ′ having a height t <b> 3 is attached to the series unit 100. Since the description of attaching the series unit 100 to the attachment opening 121 is as described above, the description is omitted. The decorative plate 116 'is set as a set with the plate frame 117, and the plate frame 117 is fixed to the front surface of the series unit 100 as described above. A decorative plate 116 'is detachably fitted to the plate frame 110 by engaging means (not shown). In this case, since the height t3 from the front surface of the wall portion 120 to the front surface of the decorative plate 116 ′ is higher than the height t2, as shown in FIG. The front surface will be depressed by a height t4 (about 2 mm), and the appearance will deteriorate.

JP 2005-38745 A Utility Model Registration No. 3099545

  Other conventional series units are known that can improve the appearance even when decorative plates having different heights are attached. FIG. 36 is a front view showing the structure of another conventional series unit 200 in an exploded manner. As shown in FIG. 36, in another conventional series unit 200, a first mounting frame ear 212 is detachably fixed to the upper part of the shield case 210, and a second mounting frame ear is formed to the lower part of the shield case 210. 213 is removably secured. Here, although the structure of each part is demonstrated, the front view which shows the structure of the shield case 210 is shown by FIG. 36, FIG. 38 (a) shows the rear view which shows the structure of the shield case 210, FIG. The top view which shows the structure of the shield case 210 is shown to b).

  As shown in these drawings, the metal shield case 210 is provided with an input terminal 216 at the rear and a first output terminal 214 and a second output terminal 215 on the front surface. A coaxial cable that guides the received signal is connected to the input terminal 216, and the received signal is distributed by a distribution circuit housed in the shield case 210 and output from the first output terminal 214 and the second output terminal 215. By connecting the coaxial cable connected to the first output terminal 214 or the second output terminal 215 to a television receiver or the like, the reception signal can be received by the television receiver or the like. In addition, U-shaped engaging portions 210c each having an elongated rectangular hole formed vertically on the both sides of the front surface of the shield case 210 are vertically erected one by one. Further, extending portions having two dedicated frame mounting claw pieces 210b formed at the tip thereof are formed on the upper and lower sides of both side surfaces of the shield case 210. As shown in FIGS. 38 (a) and 38 (b), the shield case 210 has a characteristic configuration in which insertion holes 210a having a predetermined depth and a rectangular cross section are formed on both sides of the front portion of the upper surface, respectively. It is set as the structure currently formed in the both sides of the front part of a lower surface, respectively. The pair of insertion holes 210a formed on the lower surface can be inserted into the pair of insertion holes 210a formed on the upper surface so that the first insertion piece 212c fitted with the second insertion piece 212d of the first mounting frame ear 212 can be inserted. The first insertion piece 213c fitted with the second insertion piece 213d of the second mounting frame ear 213 can be inserted into 210a.

  A front view showing the configuration of the first mounting frame ear 212 and the second mounting frame ear 213 is shown in FIG. 36, and the first mounting frame ear 212 and the second mounting frame ear 213 have the same configuration. Therefore, FIG. 37 representatively shows a side view showing the configuration of the first mounting frame ear 212. Further, the first mounting frame ear 212 is combined with the second insertion piece 212d, and the second mounting frame ear 213 is combined with the second insertion piece 213d. FIG. 39 (a) shows the first mounting frame. The front view which shows the structure of the single-piece | unit of the ear | edge part 212 is shown, and the side view which shows the single-piece | unit structure of the 1st attachment frame ear | edge part 212 is shown in FIG.39 (b). Further, since the second insertion piece 212d and the second insertion piece 213d have the same configuration, FIG. 40A shows a front view showing the configuration of the second insertion piece 212d as a representative, and FIG. A side view showing the configuration of the second insertion piece 212d is shown as a representative in b).

  As shown in FIGS. 36, 37, and 39, the first mounting frame ear portion 212 made of resin has an ear portion main body portion 212a and a first insertion formed to protrude downward from the ear portion main body portion 212a. It consists of a piece 212c. An insertion hole 212b, which is a long hole, is formed in the approximate center of the ear part main body 212a, and a pair of screw attachment holes 212g are formed above the insertion hole 212b. The first insertion piece 212c includes two legs that protrude downward from both sides of the lower surface of the ear body 212a, and a slit 212e is formed in the vertical direction of each leg, thereby engaging the tip. A locking piece 212f on which a pawl is formed is formed. A circular engagement hole 212h for fitting the second insertion piece 212d is formed above the slit 212e of each leg. Moreover, the upper part of the opposing surface of two legs is notched so that the protrusion part 212k mentioned later of the 2nd insertion piece 212d can be fitted. The two locking pieces 212f are disposed so as to be located on both sides of the first mounting frame ear 212.

As shown in FIG. 40, the second insertion piece 212d is made of a resin having a predetermined thickness. The second insertion piece 212d includes two feet and a connecting portion that connects the upper portions of the feet, and has a U-shape. ing. A fitting protrusion 212j having a circular cross section is formed on the upper part of the two legs, and a U-shaped protruding part 212k that protrudes forward from the connection part to the inside of the upper part of the two legs is formed. .
The second insertion piece 212d can be fitted to the front surface of the first insertion piece 212c in the first attachment frame ear 212, and can be turned over and fitted to the rear surface. A mode in which the second insertion piece 212d is fitted to the rear surface of the first insertion piece 212c is shown in FIG.

  As shown in FIG. 37, the first mounting frame ear 212 having the second insertion piece 212d fitted on the rear surface of the first insertion piece 212c is inserted into a pair of insertion holes 210a provided in the upper part of the shield case 210. The second mounting frame ear 213 having the second insertion piece 213d fitted to the rear surface of the first insertion piece 213c is inserted into a pair of insertion holes 210a provided in the lower part of the shield case 210 and attached. FIG. 41 is a side view showing a configuration of another conventional series unit 200 assembled in this manner and attached to the wall 220. In FIG. 41, only the lower side of the wall part 220 is shown, and an intermediate state in which the first attachment frame ear part 212 is inserted into the insertion hole 210a is shown in the upper part of the figure. As shown in this figure, the wall 220 is provided with a rectangular mounting opening. Another conventional series unit 200 faces the mounting opening, and a tree is formed in the pair of screw mounting holes 212g of the first mounting frame ear 212 and the pair of screw mounting holes 213g of the second mounting frame ear 213 of the series unit 200. Screws are respectively inserted and screwed into the upper and lower wall portions 220 of the mounting opening. As a result, another conventional series unit 200 is fixed to the wall 220. A resin-made terminal block 210c is fitted on the front surface of the shield case 210 of the series unit 200. When the terminal block 211 is fitted to the shield case 210, a total of four engaging pieces respectively provided on the upper and lower sides of the terminal block 211 are respectively connected to the engaging portions 210c provided on both sides of the shield case 210. The terminal block 211 is engaged with the shield case 210 integrally.

  A decorative plate 216 that closes the front surface of another conventional series unit 200 is attached to the front surface of the shield case 210 including the first attachment frame ear portion 212 and the second attachment frame ear portion 213. The decorative plate 216 is a set with the plate frame 217, and screws inserted through holes (not shown) provided on the upper and lower sides of the plate frame 217 are used as the first mounting frame ear 212 and the second mounting frame ear. The plate frame 217 is fixed to the front surface of the series unit 200 by being screwed into a screw hole formed between the pair of screw attachment holes 212g and 213g in 213. In FIG. 41, only the lower side of the decorative plate 216 and the plate frame 217 is indicated by a broken line. A decorative plate 216 is fitted to the plate frame 217. In this case, the decorative plate 216 is detachably fixed to the plate frame 217 by engagement means (not shown). At this time, the height from the front surface of the wall 220 to the front surface of the decorative plate 216 is t5. The height t5 is substantially the same as the height t2 described above. As a result, as shown in FIG. 41, the front surface of the decorative plate 216 and the front surface of the terminal block 211 are almost the same height, and the appearance can be improved.

Next, the first mounting frame ear 212 having the second insertion piece 212d fitted to the front surface of the first insertion piece 212c is inserted into a pair of insertion holes 210a provided in the upper part of the shield case 210 and attached. The second mounting frame ear 213 in which the second insertion piece 213d is fitted to the front surface of the first insertion piece 213c is inserted into a pair of insertion holes 210a provided in the lower part of the shield case 210 and attached. FIG. 42 is a side view showing a configuration of another conventional series unit 200 assembled in this manner and attached to the wall 220. FIG. In FIG. 42, only the lower side of the wall part 220 is shown, and an intermediate state in which the first attachment frame ear part 212 is inserted into the insertion hole 210a is shown in the upper part of the figure. The explanation of attaching another conventional series unit 200 to the attachment opening and the explanation of attaching the terminal block 211 to the shield case 210 are as described above, and will be omitted.
In FIG. 42, only the lower side of the plate frame 217 attached to the front surface of another conventional series unit 200 and the different type of decorative plate 216 ′ is shown by broken lines. A decorative plate 216 ′ is detachably fixed to the plate frame 217. At this time, the height of the decorative plate 216 ′ is increased, and the height from the front surface of the wall 220 to the front surface of the decorative plate 216 ′ is t6. The height t6 is substantially the same as the height t3 described above. In this way, even if the height t6 of the decorative plate 216 ′ is increased, as shown in FIG. 41, the front surface of the decorative plate 216 ′ and the front surface of the terminal block 211 can be substantially the same height. The shine can be improved.
As described above, in the other conventional series unit 200, the face of the first insertion piece 212c to which the second insertion piece 212d is fitted is selected according to the height of the decoration plate, so that the decorative plates have different heights. It becomes possible to cope with.

However, in the other conventional serial unit 200, since the second insertion piece 212d separated from the first insertion piece 212c is detachably fitted, two parts are required, and the cost is reduced. There was a problem that it could rise or lose parts.
Further, in place of the other conventional series unit 200, conventional series in which insertion holes for inserting the insertion pieces of the first mounting frame ear and the second mounting frame ear are arranged in the front and back and formed in the upper part and the lower part of the shield case. Units are also known. This conventional series unit also supports decorative plates that differ in height by selecting insertion holes for inserting the insertion pieces of the first and second mounting frame ears according to the height of the decorative plate. can do. However, in this conventional series unit, since the insertion holes are formed side by side, the depth of the insertion holes is reduced and the thickness of the insertion pieces is reduced. If the thickness of the insertion piece is thin, the mechanical strength is weakened, causing a problem that the insertion piece bends or bends.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a series unit that can reduce the number of components and can be used for decorative plates having different heights that can satisfy mechanical strength.

  The series unit according to the present invention includes a shield case having an output terminal on the front and an input terminal on the rear, and two sets of insertion pieces inserted into insertion holes provided on both sides of the upper surface of the shield case. A first mounting frame ear portion that is detachably fixed and the same structure as the first mounting frame ear portion, and two sets of insertion pieces are respectively inserted into insertion holes provided on both sides of the lower portion of the shield case. A second attachment frame ear portion that is removably fixed by the first attachment frame ear portion and the second attachment frame ear portion, and an ear portion main body in which an attachment hole is formed, and a position When the first insertion piece and the second insertion piece are formed as a set and are fixed to the shield case. Further, the two sets of insertion pieces are connected to the shield case. The insertion hole is inserted into the insertion hole so that the front wall of the insertion hole is sandwiched between the pair of the first insertion piece and the second insertion piece. The main feature is that it can be inserted and fixed.

  In the series unit of the present invention, when fixing the first mounting frame ear portion and the second mounting frame ear portion to the shield case, when inserting and fixing two sets of insertion pieces into the insertion hole of the shield case, The amount of protrusion on the front side of the series unit can be increased. And if it inserts into an insertion hole and it fixes so that the front wall of an insertion hole may be pinched | interposed between the 1st insertion piece and 2nd insertion piece which were made into a pair, the protrusion amount of the front side of a series unit will be made low. Can do. As a result, it becomes possible to cope with decorative plates having different heights, and since no separate member is required for the correspondence, the number of parts can be reduced and the mechanical strength can be satisfied. Become.

It is a perspective view which shows the structure of the series unit concerning the Example of this invention. It is the front view which shows the structure of the series unit concerning the Example of this invention, AA sectional view, and BB sectional drawing. It is a top view which shows the structure of the series unit concerning the Example of this invention. It is a side view which shows the structure of the series unit concerning the Example of this invention. It is a bottom view which shows the structure of the series unit concerning the Example of this invention. It is a rear view which shows the structure of the series unit concerning the Example of this invention. It is a perspective view which decomposes | disassembles and shows the structure of the serial unit concerning the Example of this invention. It is a perspective view which shows the structure which deform | transformed the serial unit concerning the Example of this invention. It is the front view which shows the structure which deform | transformed the serial unit concerning the Example of this invention, EE sectional view, and FF sectional drawing. It is a top view which shows the structure which deform | transformed the series unit concerning the Example of this invention. It is a side view which shows the structure which deform | transformed the serial unit concerning the Example of this invention. It is a bottom view which shows the structure which deform | transformed the series unit concerning the Example of this invention. It is a rear view which shows the structure which deform | transformed the series unit concerning the Example of this invention. It is a perspective view which shows the structure of the shield case in the serial unit of the Example of this invention. It is a front view which shows the structure of the shield case in the series unit of the Example of this invention. It is CC sectional view taken on the line which shows the structure of the shield case in the serial unit of the Example of this invention, and DD line sectional drawing. It is a side view which shows the structure of the shield case in the series unit of the Example of this invention. It is a top view which shows the structure of the shield case in the series unit of the Example of this invention. It is a rear view which shows the structure of the shield case in the series unit of the Example of this invention. It is a bottom view which shows the structure of the shield case in the series unit of the Example of this invention. It is the perspective view, front view, and top view which show the structure of the 1st attachment frame ear | edge part in the serial unit of the Example of this invention. It is the bottom view, side view, and back view which show the structure of the 1st attachment frame ear | edge part in the serial unit of the Example of this invention. It is the front perspective view, back perspective view, and front view which show the structure of the terminal block in the series unit of the Example of this invention. It is the top view, side view, and back view which show the structure of the terminal block in the series unit of the Example of this invention. It is the front view and side view which show the structure which attached the decorative plate to the series unit of the Example of this invention, and is partially broken. It is a side view which shows the structure which attached the decorative plate to the series unit of the Example of this invention with sectional drawing. It is a perspective view which decomposes | disassembles and shows the structure which attached the decorative plate to the serial unit of the Example of this invention. It is a side view which shows the structure which attached the decorative plate to the series unit which the Example of this invention changed. It is a side view which shows the structure which attached the decorative plate to the deformed series unit of the Example of this invention with sectional drawing. It is a front view which shows the structure of the conventional serial unit. It is a side view which decomposes | disassembles and shows the structure of the conventional serial unit. It is a side view which shows the structure of the conventional serial unit. It is a side view which partially fractures and shows the structure which attached the decorative plate to the conventional serial unit. It is a front view which shows the structure which attached the decorative plate to the conventional serial unit. It is a side view which fractures | ruptures and shows the structure which attached the different kind of decorative plate to the conventional serial unit. It is a front view which decomposes | disassembles and shows the structure of the other conventional serial unit. It is a side view which shows the structure of the 1st attachment frame ear | edge part in the other conventional serial unit. It is the rear view and top view which show the structure of the shield case in the other conventional serial unit. It is the front view and side view which show the structure of the 1st attachment frame ear | edge part in the other conventional serial unit. It is the front view and side view which show the structure of the 2nd insertion piece in the other conventional serial unit. It is a side view which shows the structure which attached the other conventional serial unit to the wall part. It is a side view which shows the structure which deform | transformed other conventional serial units and attached to the wall part.

The configuration of the series unit 1 according to the embodiment of the present invention is shown in FIGS. FIG. 1 is a perspective view showing the configuration of a series unit 1 according to an embodiment of the present invention. FIGS. 2A, 2B, and 2C are front views showing the configuration of the series unit 1 according to an embodiment of the present invention. FIG. 3 is a cross-sectional view taken along line A-B and a cross-sectional view taken along line B-B. FIG. 3 is a top view illustrating the configuration of the series unit 1 according to the embodiment of the present invention. 5 is a bottom view showing the configuration of the series unit 1 according to the embodiment of the present invention, and FIG. 6 is a rear view showing the configuration of the series unit 1 according to the embodiment of the present invention. 7 is an exploded perspective view showing the configuration of the series unit 1 according to the embodiment of the present invention.
As shown in FIG. 7, in the series unit 1 according to the present invention, the terminal block 11 is detachably fixed to the front surface of the metal shield case 10, and the first mounting frame ear 12 is removed from the upper part of the shield case 10. The second mounting frame ear portion 13 is detachably fixed to the lower part of the shield case 10 so as to be detachable.

First, the configuration of the shield case 10, the first mounting frame ear 12, the second mounting frame ear 13, and the terminal block 11 will be described. The structure of the shield case 10 is shown in FIGS. 14 is a perspective view showing the configuration of the shield case 10, FIG. 15 is a front view showing the configuration of the shield case 10, and FIGS. 16A and 16B are CC lines showing the configuration of the shield case 10. FIG. 17 is a side view showing the configuration of the shield case 10, FIG. 18 is a top view showing the configuration of the shield case 10, and FIG. 19 is the configuration of the shield case 10. FIG. 20 is a bottom view showing the configuration of the shield case 10.
The shield case 10 shown in FIGS. 14 to 20 includes a rectangular parallelepiped main body upper portion 10a which is formed by molding a metal and has a horizontally long upper portion, and a vertically long rectangular parallelepiped main body portion 10b extending from the central portion to the lower portion. Provided with a flat plate-like lower body portion 10c at the bottom. From the front surface of the shield case 10, a first output terminal 22 and a second output terminal 23, which are coaxial terminals, are arranged vertically so as to protrude forward. Between the first output terminal 22 and the second output terminal 23, the communication mode between the first output terminal 22 and the second output terminal 23 is the communication mode for cutting the upstream signal band and the communication for passing the upstream signal band. Two mode switches 20e for switching to either mode are provided.

  Both sides of the front surface of the main body upper part 10a of the shield case 10 protrude in a plate shape, and dedicated frame mounting claw pieces 20d are provided above and below the tip part. Further, both sides of the front surface of the main body lower part 10c protrude in a plate shape, and a dedicated frame mounting claw piece 20d is provided above and below the tip part. Further, a pair of engaging portions 20c each having a U-shape are formed on both sides of the front surface of the main body upper portion 10a and the main body lower portion 10c in the vertical direction. A pair of engaging portions 20c formed on the main body upper portion 10a and the main body lower portion 10c, respectively, have rectangular vertically long engaging holes. Further, insertion holes 20a having a rectangular shape with a cross section of a predetermined depth are formed in the vertical direction on both sides of the front surface of the upper portion 10a of the rectangular parallelepiped main body, and both sides of the rear surface of the lower body 10c are vertically formed. An insertion hole 20a is formed in a vertical direction in which the cross section of the predetermined depth is a horizontally long rectangular shape. A pair of insertion holes 20a formed in each of the main body upper part 10a and the main body lower part 10c are formed so that the width becomes slightly narrower as the depth increases, as shown in FIGS. Furthermore, as shown in FIG. 15, a sliding groove 20b formed as a slit having a predetermined length is formed in the longitudinal direction from the upper end on the front wall of the pair of insertion holes 20a formed in the main body upper part 10a. A rectangular engagement hole 20f is formed below the sliding groove 20b. And the sliding groove 20b made into the slit of predetermined length is also formed in the longitudinal direction from the lower end also in the front wall of a pair of insertion hole 20a formed in the main body lower part 10c, on the sliding groove 20b Are each formed with a rectangular engagement hole 20f.

  An input terminal 21, which is a coaxial terminal, is provided so as to protrude downward from the lower surface of the rectangular parallelepiped upper portion 10 a. In addition, a substrate 26 is provided inside the main body upper portion 10a as shown in FIG. 16A, and a distribution circuit for distributing the received signal input from the input terminal 21 into two is provided on the substrate 26. The reception signals divided into two by this distribution circuit are output from the first output terminal 22 and the second output terminal 23, respectively. That is, a coaxial cable that guides a received signal is connected to the input terminal 21, and the coaxial cable connected to the first output terminal 22 or the second output terminal 23 is connected to the television receiver, etc. A signal can be received. In addition, a metal upper lid 24 is fitted to the rear surface of the cuboid-shaped main body upper portion 10a, and a metal inner lid 25 is fitted to the rear surface of the main body central portion 10b, so that the shield case 10 is shielded. .

Next, although the structure of the 1st attachment frame ear | edge part 12 and the 2nd attachment frame ear | edge part 13 is demonstrated, since the structure of the 1st attachment frame ear | edge part 12 and the 2nd attachment frame ear | edge part 13 is the same, By describing the configuration of the first mounting frame ear portion 12, the configuration of the second mounting frame ear portion 13 will also be described. The configuration of the first mounting frame ear 12 is shown in FIGS. 21 and 22. 21A, 21B, and 21C are a perspective view, a front view, and a top view showing the configuration of the first mounting frame ear portion 12, and FIGS. 22A, 22B, and 22C are first mounting frames. It is the bottom view, side view, and back view which show the structure of the ear | edge part 12. FIG.
The first mounting frame ears 12 shown in FIGS. 21 and 22 are formed by molding a resin. As shown in these drawings, the first attachment frame ears 12 are formed at the substantially rectangular ear main body 12a and the lower end of the ear main body 12a. It is comprised from the collar part 12c formed in flat form, and the 1st insertion piece 12d and the 2nd insertion piece 12e which were formed so that it might protrude below from the lower surface of the collar part 12c.

The ear part main body 12a is plate-shaped, the upper side surface is tapered, and the width is narrowed upward. An insertion hole 12b that is a long hole is formed at substantially the center, and the insertion hole 12b A screw hole 12h in which a female screw is cut is formed above, and a pair of screw attachment holes 12i are formed on both sides of the screw hole 12h. The ear part main body 12a is formed so as to stand up from the front edge of the upper surface of the collar part 12c formed in a rectangular flat plate shape, and is paired so as to protrude downward from the vicinity of the center on both sides of the lower surface of the collar part 12c. The second insertion piece 12e is formed, and a pair of first insertion pieces 12d is formed so as to protrude downward from the lower surface of the flange portion 12c on the outer side and the rear side of the second insertion piece 12e. The first insertion piece 12d has an elongated plate shape and is tapered such that the lateral width becomes slightly narrower toward the tip. Also, each of the pair of second insertion pieces 12e is formed in an elongated plate shape, but a rectangular wing-like projecting portion is formed on the front surface and the rear surface of a predetermined length from the root to form a cross-shaped portion 12f. The tip further protrudes back and forth, and is a bulging portion 12g that decreases in thickness toward the tip. The first insertion piece 12d and the second insertion piece 12e formed in the vicinity thereof constitute a set of insertion pieces, and the positions of the first insertion piece 12d and the second insertion piece 12e are shifted back and forth. And is formed so as to protrude from the lower surface of the flange portion 12c so as to be shifted to the left and right, and two sets of the first insertion piece 12d and the second insertion piece 12e are located on both sides of the lower surface of the flange portion 12c. A pair is formed.
The configuration of the first mounting frame ear portion 12 described above is the same as the configuration of the second mounting frame ear portion 13 as described above, and the reference numerals of the respective portions in the second mounting frame ear portion 13 are the reference numeral “12”. Is replaced with the code “13”. In addition, the 1st attachment frame ear | edge part 12 and the 2nd attachment frame ear | edge part 13 are attachment members for attaching the series unit 1 to the box and wall surface which are mentioned later, and when attaching the series unit 1, insertion hole 12b or Attachment means such as screws inserted through the screw attachment holes 12i can be attached to the box or the wall surface.

Next, the configuration of the terminal block 11 will be described with reference to FIGS. FIGS. 23A, 23B, and 23C are a front perspective view, a rear perspective view, and a front view showing the configuration of the terminal block 11, and FIGS. 24A, 24B, and 24C are configurations of the terminal block 11. FIG. It is the top view, side view, and back view which show.
As shown in FIGS. 23 and 24, the terminal block 11 formed by molding a resin includes a vertically long rectangular base body 11a, and two cylindrical holes 11b are vertically formed on the front surface of the base body 11a. The ring-shaped part 11c which forms the cylindrical hole 11b is formed by extending backward. Walls 11f are formed on the four sides of the terminal block 11, and a pair of contact pieces 11e and contact pieces 11e are formed at the positions corresponding to the cylindrical holes 11b on the wall parts 11f forming both sides. An engagement piece 11d is formed so as to be sandwiched. Each engaging piece 11d has a stepped portion and a tapered engaging claw 11g having a thickness that decreases from the stepped portion to the leading end. A recess having a predetermined size is formed on the surface on the side of the piece 11d.

The series unit 1 according to the present invention is configured by combining the shield case 10, the first mounting frame ear portion 12, the second mounting frame ear portion 13 and the terminal block 11, and the assembly of the series unit 1 is shown in FIG. Will be described with reference to FIG.
First, the first insertion piece 12d and the second insertion piece 12e formed in the first mounting frame ear 12 are inserted into the two insertion holes 20a formed on both sides of the front upper portion of the upper body 10a of the shield case 10. Each pair consisting of is inserted from above. The first insertion piece 12d and the second insertion piece 12e are inserted into the insertion hole 20a until the lower surface of the flange portion 12c of the first mounting frame ear 12 contacts the upper surface of the main body upper portion 10a. The protrusion on the front surface of the cross-shaped portion 12f formed on the second insertion piece 12e is inserted while sliding in the sliding groove 20b formed on the front wall of the insertion hole 20a of the main body upper portion 10a. . When the lower surface of the flange portion 12c in the first mounting frame ear 12 contacts the upper surface of the main body upper portion 10a, the front side of the bulging portion 12g of the second insertion piece 12e is in front of the insertion hole 20a of the main body upper portion 10a. It engages with an engagement hole 20f formed in the wall. This is shown in the cross-sectional view along the line AA in FIG. Thereby, the 1st attachment frame ear | edge part 12 is reliably firmly fixed to the insertion hole 20a. In addition, since the width of the first insertion piece 12d is slightly narrower as it goes to the tip, each of the two insertion holes 20a includes two sets of the first insertion piece 12d and the second insertion piece 12e. It can be inserted easily and reliably.

  Further, in the two insertion holes 20a formed on both sides of the rear surface of the lower body portion 10c of the shield case 10, the first insertion piece 13d and the second insertion piece 13e formed in the second mounting frame ear 13 are used. Each set is inserted and fixed from below. The description of the fixing is omitted because it is the same as the description of fixing the first mounting frame ear 12 to the two insertion holes 20a of the upper body 10a, but the cross formed on the second insertion piece 13e. The protruding portion on the front surface of the shaped portion 13f is inserted while sliding in the sliding groove 20b formed in the front wall of the insertion hole 20a of the lower body portion 10c, and the bulging portion 13g of the second insertion piece 13e is inserted. Is engaged with an engagement hole 20f formed in the front wall of the insertion hole 20a of the main body lower part 10c. This situation is shown in the cross-sectional view along the line BB in FIG.

Next, the terminal block 11 is arranged on the front surface of the shield case 10, the positions of the first output terminal 22 and the second output terminal 23 are aligned with the two cylindrical holes 11 b of the terminal block 11, and the terminal block 11 The first output terminal 22 and the second output terminal 23 are inserted into each of the two cylindrical holes 11b. As a result, two engaging pieces 11 d formed on each side of the terminal block 11 abut on the engaging portions 20 c formed upright from the front surface of the shield case 10. Further, when the terminal block 11 is pushed into the shield case 10 side, the engaging portion 20c is aligned and guided in the concave portion on the front surface of the two contact pieces 11e sandwiching the engaging portion 20c, and the terminal block 11 is pushed. Then, the engaging claw 11g at the tip of the engaging piece 11d is engaged with the rectangular engaging hole of the engaging portion 20c. Thus, since the total four engaging pieces 11d formed on both sides of the terminal block 11 engage with the total four engaging portions 20c formed on both sides of the front surface of the shield case 10, the terminal The base 11 is securely and securely fixed to the shield case 10.
As a result, the series unit 1 according to the present invention shown in FIGS. 1 to 6 is assembled. At this time, from the rear surface of the first mounting frame ear portion 12 or the second mounting frame ear portion 13 to the front surface of the terminal block 11. The height up to is the height d1 as shown in FIG. For example, the height d1 is about 10 mm.

  The series unit 1 according to the present invention can be assembled so as to change the height from the rear surface of the first mounting frame ear portion 12 or the second mounting frame ear portion 13 to the front surface of the terminal block 11. The structure of the deformed series unit 2 assembled by changing the height is shown in FIGS. FIG. 8 is a perspective view showing the configuration of the modified series unit 2 according to the present invention, and FIGS. 9A, 9B and 9C are front views showing the configuration of the modified series unit 2 according to the present invention. FIG. 10 is a cross-sectional view taken along the line -E and a cross-sectional view taken along the line FF, FIG. 10 is a top view showing the configuration of the modified series unit 2 according to the present invention, and FIG. 12 is a bottom view showing the configuration of the modified series unit 2 according to the present invention, and FIG. 13 is a rear view showing the configuration of the modified series unit 2 according to the present invention.

Although the assembly of the deformed series unit 2 according to the present invention will be described, the shield case 10, the first mounting frame ear portion 12, the second mounting frame ear portion 13 and the terminal block 11 are configured as described above and have been deformed. The assembly of the serial unit 2 will also be described with reference to FIG.
First, the first insertion piece 12d and the second insertion piece 12e formed in the first mounting frame ear 12 are inserted into the two insertion holes 20a formed on both sides of the front upper portion of the upper body 10a of the shield case 10. Each pair consisting of is inserted from above. In this case, only the first insertion piece 12d is inserted into the insertion hole 20a so that the front wall of the insertion hole 20a is sandwiched between the first insertion piece 12d and the second insertion piece 12e, and the second insertion piece 12e It is located in front of the front wall of the main body upper part 10a. The first insertion piece 12d is inserted into the insertion hole 20a until the lower surface of the flange portion 12c of the first mounting frame ear 12 abuts the upper surface of the main body upper portion 10a. The protruding portion on the rear surface of the formed cross-shaped portion 12f is inserted while sliding in the sliding groove 20b formed in the front wall of the insertion hole 20a of the main body upper portion 10a. When the lower surface of the flange portion 12c of the first mounting frame ear portion 12 contacts the upper surface of the main body upper portion 10a, the rear surface side of the bulging portion 12g of the second insertion piece 12e is in front of the insertion hole 20a of the main body upper portion 10a. It engages with an engagement hole 20f formed in the wall. This state is shown in the cross-sectional view taken along the line EE in FIG. As a result, the front wall of the insertion hole 20a is sandwiched by the set of the first insertion piece 12d and the second insertion piece 12e, so that the first mounting frame ear portion 12 is reliably stabilized in the insertion hole 20a of the main body upper portion 10a. To be fixed.

  Also, only the first insertion piece 13d formed in the second mounting frame ear 13 is inserted from below into the two insertion holes 20a formed on both sides of the rear surface of the lower body portion 10c of the shield case 10. It is fixed. The description of the fixing is omitted because it is the same as the description of fixing the first mounting frame ear 12 to the two insertion holes 20a of the upper body 10a, but the cross formed on the second insertion piece 13e. The protruding portion on the rear surface of the shaped portion 13f is inserted while sliding in the sliding groove 20b formed in the front wall of the insertion hole 20a of the lower body portion 10c, and the bulging portion 13g of the second insertion piece 13e is inserted. The rear surface side engages with an engagement hole 20f formed in the front wall of the insertion hole 20a of the main body lower part 10c. This state is shown in the cross-sectional view taken along the line FF in FIG. Thus, since the front wall of the insertion hole 20a is clamped by the set of the first insertion piece 13d and the second insertion piece 13e, the second mounting frame ear portion 13 is securely inserted into the insertion hole 20a of the lower body portion 10c. It is firmly fixed.

  Next, although the terminal block 11 is fixed to the front surface of the shield case 10, the description thereof is omitted because it is as described above. Thereby, the deformed series unit 2 according to the present invention shown in FIGS. 8 to 13 is assembled. At this time, from the rear surface of the first mounting frame ear portion 12 or the second mounting frame ear portion 13 to the front surface of the terminal block 11. The height up to is the height d2 as shown in FIG. In the deformed series unit 2, the first mounting frame ear portion 12 and the second mounting frame ear portion 13 are attached so as to approach the terminal block 11, so that the height d <b> 2 is lower than the height d <b> 1, for example, about 8 mm. The

The serial units 1 and 2 according to the present invention can be used by being attached to a box-like box embedded in an indoor wall surface. When the series units 1 and 2 according to the present invention are attached to a box and used, the other end of the coaxial cable whose one end is connected to the indoor TV receiver or the like to the first output terminal 22 or the second output terminal 23 is connected. The input terminal 21 is connected to a coaxial cable that guides a received signal such as an antenna disposed in the internal space of the wall. A decorative panel is attached to the front side of the series units 1 and 2.
A configuration in which the series unit 1 according to the present invention is attached to a box 19 is shown in FIGS. 25 (a) and 25 (b) are a front view and a side view, partly broken, showing a configuration in which the series unit 1 according to the present invention to which the decorative plate 15 is attached is attached to the box 19, and FIG. FIG. 27 is an exploded perspective view showing the structure.

  A mode in which the series unit 1 according to the present invention is attached to the box 19 will be described with reference to FIG. The box 19 shown in FIG. 27 includes a box-shaped box body 19a having an open front surface, and is embedded in a wall surface of an indoor space (not shown). A plurality of cable insertion holes 19 c are formed on the upper surface and the lower surface of the box 19, and a boss 19 b having a screw hole is formed at substantially the center inside the upper surface and the lower surface of the box 19. The series unit 1 is configured as shown in FIG. 1 to FIG. 6, and includes a series unit in which mounting screws 18 are inserted into the insertion holes 12 b and 13 b of the first mounting frame ear 12 and the second mounting frame ear 13, respectively. 1 is disposed on the front surface of the box 19, and two mounting screws 18 are screwed to the two bosses 19 b of the box 19, respectively. Thereby, the series unit 1 is attached to the front surface of the box 19, and most of the series unit 1 including the shield case 10 is accommodated in the box 19. A coaxial cable that guides the reception signal of the antenna arranged in the internal space of the wall is introduced into the box 19 from the cable insertion hole 19 c of the box 19 and connected to the input terminal 21 of the series unit 1.

  Next, the plate frame 16 is attached to the front surface of the series unit 1. A large opening 16c is formed in the plate frame 16, and the frame main body 16a is formed by only four-side frames. Three rectangular engagement holes 16b are formed at substantially the center and top and bottom of the left and right frames of the frame body 16a, respectively. Further, an insertion hole is formed in the approximate center of the upper and lower frames of the frame body 16a, and a screw 17 is inserted into each of the insertion holes. The plate frame 16 is arranged on the front surface of the series unit 1 attached to the box 19, and the two screws 17 are respectively screw holes 12 h and 13 h of the first attachment frame ear portion 12 and the second attachment frame ear portion 13. Screw on. Thereby, the plate frame 16 is attached to the front surface of the series unit 1, and the front surface of the terminal block 11 of the series unit 1 protrudes forward through the opening 16 c of the plate frame 16. Next, the decorative plate 15 is attached to the plate frame 16. The decorative plate 15 includes a plate body 15a in which a vertically long rectangular fitting hole 15b is formed substantially at the center, and the fitting hole 15b has substantially the same size as the outer shape of the terminal block 11 of the series unit 1. Although not shown, six engagement pieces protrude from the back surface of the plate main body 15a at positions corresponding to the six engagement holes 16b of the plate frame 16. When the decorative plate 15 is disposed on the front surface of the plate frame 16, the engaging pieces of the decorative plate 15 are aligned with the engaging holes 16 b of the plate frame 16, and the decorative plate 15 is pressed against the plate frame 16, the decorative plate 15 The six engaging pieces are fitted in the six engaging holes 16b of the plate frame 16, respectively. Thereby, the decorative plate 15 is securely fixed to the plate frame 16.

  In this way, the series unit 1 is attached to be accommodated in the box 19, and the front surface of the series unit 1 and the box 19 is closed by the decorative plate 15. This configuration is shown in the side view shown in the cross-sectional view of FIG. With the configuration in which the series unit 1 is attached to the box 19 and the decorative plate 15 is attached so as to close the front surface of the series unit 1, it is possible to prevent dust and moisture from entering the series unit 1. At this time, as shown in FIG. 25 (b), the height from the rear surface of the plate frame 16 to the front surface of the decorative plate 15 is d3, and the terminal block 11 protrudes from the front surface of the decorative plate 15 by a slight height d4. become. For example, since the height d3 is about 9 mm and the height d4 is about 1 mm, the terminal block 11 slightly protrudes from the front surface of the decorative plate 15, and the appearance can be improved. The rear surface of the plate frame 16 and the rear surfaces of the first mounting frame ear portion 12 and the second mounting frame ear portion 13 of the series unit 1 are located on substantially the same plane. The height d1 from the rear surface of the portion 12 and the second mounting frame ear portion 13 to the front surface of the terminal block 11 is substantially the same as the sum of the height d3 and the height d4.

When attaching the deformed series unit 2 according to the present invention to the box 19, a different type of decorative plate 15 ′ is used, but since it is attached in the same manner as when the series unit 1 is attached to the box 19, the description thereof is omitted. To do. And the side view which shows the structure which attached the deformed series unit 2 to the box 19 is shown in FIG. 28, and the side view which shows the structure with sectional drawing is shown in FIG.
As shown in these drawings, the box 19 is attached so that the deformed series unit 2 is accommodated, and different types of decorative plates 15 ′ are attached to the front surface of the deformed series unit 2 and the box 19. The front is blocked. This type of decorative plate 15 ′ has a height lower than that of the decorative plate 15, but the other configuration is substantially the same as the decorative plate 15. The structure in which the deformed series unit 2 is attached to the box 19 and the decorative plate 15 ′ is attached so as to close the front surface of the series unit 2, thereby preventing dust and moisture from entering the deformed series unit 2. Can do. At this time, as shown in FIG. 28, the height from the rear surface of the plate frame 16 to the front surface of the decorative plate 15 ′ is d5, and the terminal block 11 protrudes from the front surface of the decorative plate 15 ′ by a slight height d6. Become. For example, since the height d5 is about 7 mm and the height d6 is about 1 mm, the terminal block 11 slightly protrudes from the front surface of the decorative plate 15 ′, and the appearance can be improved.

  The rear surface of the plate frame 16 and the rear surfaces of the first mounting frame ear portion 12 and the second mounting frame ear portion 13 of the series unit 1 are located on substantially the same plane. The height d2 from the rear surface of the frame ear portion 12 and the second mounting frame ear portion 13 to the front surface of the terminal block 11 is substantially the same as the sum of the height d5 and the height d6. In addition, the terminal block 11 protruding from the decorative plate 15 'when the front surface of the series unit 1 is closed with different types of decorative plates 15' is shown by broken lines in FIG. As shown in this figure, when different types of decorative plates 15 ′ are attached to the series unit 1, the terminal block 11 protrudes from the decorative plate 15 ′ at a height d 7, which deteriorates the appearance. . Therefore, the first mounting frame ear 12 and the second mounting frame ear 13 are removed from the shield case 10, and the first mounting frame ear 12 and the second mounting frame ear 13 are connected to the shield case 10 as described above. It is set as the serial unit 2 which attached and deform | transformed so that the base 11 might be approached. As a result, the appearance can be improved as shown in FIGS.

As described above, the series unit according to the present invention can change the interval between the first mounting frame ear and the second mounting frame ear and the terminal block according to the decorative plates having different heights. Even when a decorative plate is used, this can be handled. And the change of the space | interval of a 1st attachment frame ear | edge part, a 2nd attachment frame ear | edge part, and a terminal block is by changing the arrangement position of a 1st attachment frame ear | edge part and a 2nd attachment frame ear | edge part, and attaching to a shield case. Since it can be achieved, the number of parts can be reduced and the mechanical strength can also be satisfied.
In the above description, the mounting screws 18 inserted through the insertion holes 12b and 13b of the first mounting frame ear 12 and the second mounting frame ear 13 are screwed and attached to the boss 19b of the box 19. The series units 1 and 2 can also be attached to the wall surface by screwing the wood screws inserted into the pair of screw attachment holes 12i in the first attachment frame ear portion 12 and the second attachment frame ear portion 13 into the wall surface. In this case, a rectangular attachment opening is provided on the wall surface, and the rear portions of the series units 1 and 2 are accommodated in the attachment opening. The vertical dimension of the mounting opening is about the dimension between the insertion holes 12b and 13b in the first mounting frame ear 12 and the second mounting frame ear 13, and the horizontal dimension is larger than the horizontal width of the shield case 10. Increased. A box 19 may be provided in the mounting opening.

In the series unit according to the present invention described above, it is possible to correspond to the decorative plate having a height of about 7 mm and about 9 mm. However, the present invention is not limited to this, and the first mounting frame ear and the first The decorative plate of other height can also be made to respond | correspond according to the position which provides the 1st insertion piece and the 2nd insertion piece in 2 attachment frame ear | edge parts.
In the series unit according to the present invention, the shield case is made of metal. However, the shield case is not limited to this and may be made of any material as long as it is conductive. In addition, since the input terminal, the first output terminal, and the second output terminal of the shield case are threaded, the separately created input terminal, first output terminal, and second output terminal are used as the molded shield case. You may make it attach. Furthermore, although the first mounting frame ear portion, the second mounting frame ear portion, and the terminal block are made of resin, they may be made of metal.
In the series unit according to the present invention described above, two output terminals are provided, but one or three output terminals may be provided. Further, the series unit according to the present invention is configured such that the first mounting frame ear portion, the second mounting frame ear portion, and the terminal block can be detached from the shield case, and the removable engaging means is described above. The engaging means is not limited to the above, and other detachable engaging means can be adopted.

1, 2 series unit, 10 shield case, 10a upper part of body, 10b central part of body, 10c lower part of body, 11 terminal block, 11a base body, 11b cylindrical hole, 11c ring-shaped part, 11d engagement piece, 11e contact piece, 11f Wall part, 11g Engagement claw, 12 First mounting frame ear part, 12a Ear part main body, 12b Insertion hole, 12c Hook part, 12d Insertion piece, 12e Insertion piece, 12f Cross-shaped part, 12g Expansion part, 12h Screw Hole, 12i screw mounting hole, 13 second mounting frame ear, 13d insertion piece, 13e insertion piece, 13f cross-shaped portion, 13g bulging portion, 15 decorative plate, 15a plate body, 15b fitting hole, 16 plate frame, 16a frame body, 16b engagement hole, 16c opening, 17 screws, 18 mounting screws, 19 box, 19a box body, 19b boss, 1 c Cable insertion hole, 20a insertion hole, 20b sliding groove, 20c engagement portion, 20d dedicated frame mounting claw piece, 20e mode switch, 20f engagement hole, 21 input terminal, 22 first output terminal, 23 second output terminal 24 upper lid, 25 middle lid, 26 substrate, 100 series unit, 110 plate frame, 110 dedicated frame, 110b insertion hole, 110c screw mounting hole, 110d claw piece mounting portion, 111 shield case, 111a engaging portion, 111b dedicated frame Mounting claw piece, 111c extending part, 112 terminal block, 112b engaging piece, 112c cylindrical part, 113 first output terminal, 114 second output terminal, 115 input terminal, 116 decorative plate, 117 plate frame, 120 wall part, 121 Mounting opening, 200 series unit, 210 shield case, 210a insertion hole, 210b Dedicated frame mounting claw piece, 210c engaging portion, 210c terminal block, 211 terminal block, 212 mounting frame ear portion, 212a ear body portion, 212b insertion hole, 212c first insertion piece, 212d second insertion piece, 212e slit, 212f engagement piece, 212g screw attachment hole, 212h engagement hole, 212j fitting protrusion, 212k protrusion, 213 attachment frame ear, 213c insertion piece, 213d insertion piece, 213g screw attachment hole, 214 first output terminal, 215 2nd output terminal, 216 input terminal, 216 decorative plate, 217 plate frame, 220 wall

Claims (4)

A shield case with an output terminal on the front and an input terminal on the rear,
A first mounting frame ear portion that is removably fixed by inserting two sets of insertion pieces into insertion holes provided on both sides of the upper surface of the shield case;
A second mounting frame ear portion that has the same configuration as the first mounting frame ear portion and is removably fixed by inserting two sets of insertion pieces into insertion holes provided on both sides of the lower portion of the shield case. And
The first mounting frame ear portion and the second mounting frame ear portion are formed so that the ear portion main body in which a mounting hole is formed, and the first and second mounting frame ear portions are shifted to the left and right as well as to the left and right. The two sets of insert pieces, each of which includes an insert piece and a second insert piece, and when being fixed to the shield case, the two sets of insert pieces are inserted into the insertion hole of the shield case. Inserted into and fixed to the insertion hole so that the front wall of the insertion hole is sandwiched between the pair of the first insertion piece and the second insertion piece. A series unit characterized in that it can be used.   When the height of the decorative plate attached to the front surface is high, the two sets of insertion pieces are inserted into the insertion holes of the shield case, and the first attachment frame ear portion and the second attachment frame ear portion are When the decorative plate fixed to the shield case and attached to the front surface is low, the front wall of the insertion hole is sandwiched between the pair of the first insertion piece and the second insertion piece. The series unit according to claim 1, wherein the first mounting frame ear portion and the second mounting frame ear portion are fixed to the shield case by being inserted into the insertion hole.   The second insertion piece is formed on the front side of the first insertion piece, and is inserted into the insertion hole of the shield case on the front wall of the insertion hole formed in the shield case. The series unit according to claim 1, wherein a sliding groove is formed in which a protrusion formed on the second insertion piece is slid.   The second insertion piece is formed on the front side of the first insertion piece, and is inserted into the insertion hole of the shield case on the front wall of the insertion hole formed in the shield case. The series unit according to any one of claims 1 to 3, wherein an engagement hole is formed in which a bulging portion formed at a tip of the second insertion piece is engaged.

Images