JP2005158587A - Mounting structure of connecting terminal - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mounting structure of a connecting terminal in which the number of parts is reduced by a combination of an earth plate and a bottom chassis into one piece, thus improving the efficiency of mounting job. <P>SOLUTION: A terminal attachment strip 4 is provided upright from the end of a bottom chassis 3 on which a substrate 2 is arranged, and a circular opening 4a from which the connection of a S terminal 1 is visible, and a screw insert hole 4b are drilled on the terminal attachment strip 4. Substrate fixing strips 4c extending with being bent backward are provided at right-left edges of the terminal attachment strip 4; the front face of the S terminal 1 arranged on the substrate 2 is caused to abut to the terminal attachment strip 4; a mounting screw 5 is inserted into the screw insert hole 4b of the terminal attachment strip 4; the mounting screw 5 is screwed and fixed into the tapped hole 6 of the S terminal 1; the S terminal 1 is mounted and fixed to the the terminal attachment strip 4 of the bottom chassis 3; the substrate 2 is fixed by causing the substrate fixing strips 4c provided extending with being bent backward in the right-left edges of the terminal attachment strip 4 to abut onto the top of the substrate 2; and the substrate fixing strips 4c are earthed to a gland pattern of the S terminal 1 of the the substrate 2. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a connection terminal mounting structure in which a connection terminal on a board disposed in a bottom chassis is fixedly mounted.

  Conventionally, this type of connection terminal mounting structure is such that when the connection terminal is an S terminal, the S terminal 101 is placed in the bottom chassis 102 as shown in FIGS. The earth plate 104 is separately provided on the front surface of the S terminal 101, and the earth plate 104 is attached to and fixed to the S terminal 101 with a mounting screw 105. The legs of the earth plate 104 are inserted into the substrate 103 and fixed by soldering, and the earth plate 104 is grounded to the ground pattern of the S terminal 101 of the substrate 103 to fix the S terminal 101 and to be grounded. It was.

  However, in this case, it is costly to mold the earth plate 104, and the cost is high, and when the earth plate 104 is attached to the board 103, it is necessary to perform the soldering work by turning the board 103 upside down. There was a problem that it took time and effort.

  Further, when the connection terminal is a skirt terminal, as shown in FIGS. 10A, 10B, 11 and 12, the skirt terminal 106 is placed on a substrate 103 disposed in the bottom chassis 102 with a resin material. A substantially L-shaped ground plate 108 provided separately on the front side of the skirt terminal 106 is fixedly attached to the skirt terminal 106 with mounting screws 105, and the legs of the ground plate 108 are fixed to the substrate 103. And fixed by soldering, and the ground plate 108 is grounded to the ground pattern of the skirt terminal 106 of the substrate 103 so that the skirt terminal 106 is fixed and grounded.

  However, in this case, it is costly to mold the earth plate 108 and the cost is high, and when the earth plate 108 is attached to the board 103, it is necessary to perform the soldering work by turning the board 103 upside down. There was a problem that it took time and effort.

  The first prior art is shown in FIGS. 13 (a), 13 (b) and FIG. A front panel 213 to which a ground metal fitting 214 having an elastic tongue 214a is attached, a chassis 211 having a positioning projection 211b and an attachment boss 211c in the vicinity of the opening 211a and the opening 211a, and a plurality of pieces are attached to the substrate 202. A microphone terminal 201 having a slit 201a attached, a first through hole 212a through which the microphone terminal 201 is inserted, and second and third through holes 212b and 212c provided to face the protrusion and the boss. Further, the mounting member 212 is provided with a tongue 212d that is locked to the opening, and a stopper 204 that is engaged with the slit. The microphone terminal 201 is fixed to the mounting member 212 with the stopper 204, and the chassis 211 is attached. When the front panel 213 is assembled after the attachment, the tongue piece 212d is brought into contact with the mounting bracket 212. (For example, refer to Patent Document 1).

  However, this requires a separate mounting bracket 212.

  The second prior art is shown in FIGS. In the grounding device for a printed board in which the ground pattern 310 of the printed board 301 is grounded to the chassis 302 via the ground board 313 and the mounting screw 307, the ground board 313 is locked to the printed board 301 at one end thereof. The engagement claw 313b is bent and formed at the other end, and the engagement claw 313a locked to the end of the printed circuit board 301 is bent in the same direction as the engagement claw 313a and 313b. The screw insertion hole 314 provided in the substantially central portion of the warped portion in the direction opposite to the extending direction of the engaging claws 313a and 313b, the screw insertion hole 305 provided in the printed board 301, and the screw insertion hole provided in the printed board 301 305 is screwed into a screw threaded hole 306 provided in the chassis 302 to be tightened and tightened using the elastic force of the warped part, and the elastic force of the warped part is used. Te is obtained by the ground pattern 310 so as to be grounded reliably and stable state to the chassis 302. (For example, refer to Patent Document 2).

  However, in this case, grounding is performed through the ground plate 313 and positioning with respect to the components on the printed circuit board 301 cannot be performed.

  The third prior art is shown in FIGS. 17 (a), (b) and (c). The ground plate 402 that is electrically connected to the outer cylinder of the coaxial connector 403 has a substantially cross-shaped hole 401 into which the outer cylinder is fitted.

However, in this case, the ground plate 402 and the chassis are separate members.
JP-A-8-69840 Japanese Utility Model Publication No. 57-136179 Japanese Utility Model Publication No. 61-51677

  The present invention eliminates the above-mentioned conventional problems, can integrate the grounding plate and bottom chassis of the connection terminal, can reduce costs by reducing the grounding plate, and improves the radio wave shielding effect. It is an object of the present invention to provide a connection terminal mounting structure that can improve the efficiency of the mounting operation.

  The present invention has been proposed in order to solve the above-mentioned problems, and the invention according to claim 1 is directed to a connection terminal configured to attach and fix an S terminal on a substrate disposed in a bottom chassis. In the mounting structure, a terminal mounting piece is integrally erected upward from an end portion of the bottom chassis on which the substrate is disposed, and the terminal mounting piece has a circular opening portion through which a connection portion of the S terminal is exposed. A screw insertion hole is formed, and a board fixing piece that is bent and extended toward the rear side is provided on the left and right edges of the terminal mounting piece, and the front surface of the S terminal disposed on the board is provided. Abutting on the terminal mounting piece, inserting a mounting screw into the screw insertion hole of the terminal mounting piece, screwing the mounting screw into the screw hole of the S terminal, and fixing the S terminal to the terminal of the bottom chassis Attaching and fixing to the mounting piece The board fixing piece that is bent and extended toward the rear side of the left and right edges of the terminal mounting piece abuts on the upper surface of the board to fix the board, and this board fixing piece is connected to the ground of the S terminal of the board. A feature is that the pattern is grounded to be grounded.

  According to a second aspect of the present invention, there is provided a connection terminal mounting structure in which a skirt terminal on a board disposed in a bottom chassis is fixedly mounted, upward from an end of the bottom chassis on which the board is disposed. A terminal mounting piece is erected integrally, and a screw is inserted into the terminal mounting piece at a position corresponding to the opening where the front surface of the skirt terminal is exposed and the pair of left and right mounting protrusions on the upper surface of the skirt terminal A pair of holes are formed on the left and right sides, and a board fixing piece that is bent and extended toward the rear side is provided on the left and right edges of the terminal mounting piece, and the front side of the skirt terminal disposed on the board The terminal mounting piece is positioned, and a mounting screw is inserted into a pair of left and right screw insertion holes of the terminal mounting piece, and the mounting screw is screwed into the screw hole of the mounting protrusion of the skirt terminal and fixed. Said The base terminal is fixedly attached to the terminal mounting piece of the bottom chassis, and the board fixing piece that is bent and extended toward the rear side of the right and left edges of the terminal mounting piece is brought into contact with the upper surface of the board to contact the board. The substrate fixing piece is grounded to the ground pattern of the skirt terminal of the substrate so as to be grounded.

  According to a third aspect of the present invention, there is provided a connection terminal mounting structure in which a connection terminal on a board disposed in a bottom chassis is fixedly mounted, upward from an end of the bottom chassis on which the board is disposed. A terminal mounting piece is erected integrally, and the terminal mounting piece is formed with an opening through which at least a connection portion of the connection terminal is exposed and a screw insertion hole. A board fixing piece that is bent and extended toward the side is provided, and the front surface of the connection terminal arranged on the board is brought close to the opening of the terminal attachment piece and attached to the screw insertion hole. A screw is inserted, and the mounting screw is screwed into the screw hole of the connection terminal to be fastened and fixed, and the connection terminal is fixed to the terminal mounting piece of the bottom chassis, and the board fixing piece is connected to the connection terminal of the board By grounded to the ground pattern is characterized in that so as to constitute to take ground.

  According to the first aspect of the present invention, the ground plate and the bottom chassis of the S terminal can be integrated, and by reducing the ground plate, the cost can be reduced and the radio wave shielding effect can be improved. This can improve the efficiency of the installation work. Further, the board fixing piece of the terminal mounting piece standing upward from the end of the bottom chassis can be used to fix the board and ground the S terminal at a time.

  According to the second aspect of the present invention, the ground plate and the bottom chassis of the skirt terminal can be integrated, and by reducing the ground plate, the cost can be reduced and the radio wave shielding effect can be improved. This can improve the efficiency of the installation work. Further, the substrate fixing piece and the skirt terminal can be grounded at a time with the terminal fixing piece of the terminal mounting piece erected upward from the end portion of the bottom chassis.

  According to the third aspect of the present invention, the ground plate and the bottom chassis of the connection terminal can be integrated, and by reducing the ground plate, the cost can be reduced and the radio wave shielding effect can be improved. This can improve the efficiency of the installation work. In addition, it is possible to fix the board and ground the connection terminal at a time with the board fixing piece of the terminal mounting piece erected upward from the end portion of the bottom chassis.

  DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments of a connection terminal mounting structure according to the present invention will be described with reference to the drawings.

  1A and 1B show a first embodiment of a connection terminal mounting structure according to the present invention, wherein FIG. 1A is a front view thereof, FIG. 1B is a plan view thereof, FIG. 2 is a front view of the bottom chassis of the same structure, and FIG. It is a perspective view of S terminal which is a connection terminal of the structure.

  The connection terminal mounting structure of the first embodiment uses an S terminal 1 as a connection terminal, as shown in FIGS. 1 (a) and 1 (b), FIG. 2, and FIG. A terminal mounting piece 4 is integrally erected upward from an end of the bottom chassis 3 on which the substrate 2 is disposed. The terminal mounting piece 4 has a circular opening 4a through which a connection portion of the S terminal 1 is exposed. And a screw insertion hole 4b. Further, the left and right edges of the terminal mounting pieces 4 are provided with board fixing pieces 4c that are bent and extended toward the rear side.

  Then, the front surface of the S terminal 1 arranged on the substrate 2 is brought into contact with the terminal mounting piece 4, the mounting screw 5 is inserted into the screw insertion hole 4 b of the terminal mounting piece 4, and the mounting screw 5 is connected to the S terminal 1. The S terminal 1 is mounted and fixed to the terminal mounting piece 4 of the bottom chassis 3 by being fitted into the screw hole 6 and tightened and fixed. At the same time, the terminal mounting piece 4 is fixed, and the board fixing piece 4c is grounded to the ground pattern of the S terminal 1 of the board 2 so as to be grounded.

  According to the first embodiment, the ground plate of the S terminal 1 and the bottom chassis 3 can be integrated, and by reducing the ground plate, the cost can be reduced and the radio wave shielding effect can be improved. This can improve the efficiency of the installation work. Further, the substrate fixing piece 4c of the terminal mounting piece 4 standing upward from the end of the bottom chassis 3 can fix the substrate 2 and ground the S terminal 1 at a time.

  4A and 4B show a second embodiment of the connection terminal mounting structure of the present invention, in which FIG. 4A is a front view thereof, FIG. 5B is a plan view thereof, FIG. 5 is a front view of the bottom chassis of the same structure, and FIG. It is a perspective view of the skirt terminal which is a connection terminal of the structure.

  The connection terminal mounting structure according to the second embodiment uses a skirt terminal 7 as a connection terminal, as shown in FIGS. Then, a substantially U-shaped terminal mounting piece 8 is erected integrally from the end of the bottom chassis 3 on which the substrate 2 is disposed, and the terminal mounting piece 8 has an opening through which the front surface of the skirt terminal 7 is exposed. A pair of left and right screw insertion holes 8b and 8b are formed at positions corresponding to the screw holes 7b and 7b of the pair of left and right mounting projections 7a and 7a on the upper surface of 8a and the skirt terminal 7. Furthermore, board fixing pieces 8c and 8c are provided at the left and right edges of the terminal mounting piece 8 so as to bend and extend toward the rear side.

  Then, the terminal mounting piece 8 is positioned on the front side of the skirt terminal 7 arranged on the substrate 2, and the mounting screws 5 and 5 are inserted into the pair of left and right screw insertion holes 8b, 8b of the terminal mounting piece 8, The mounting screws 5 and 5 are fixedly mounted on the mounting protrusions 7 a and 7 a of the skirt terminal 7. At the same time, the substrate fixing pieces 8c and 8c that are bent and extended toward the rear side of the left and right edges of the terminal mounting piece 8 are brought into contact with the upper surface of the substrate 2 to fix the substrate 2, and the substrate fixing piece 8c. Is grounded to the ground pattern of the skirt terminal 7 of the substrate 2 so as to be grounded.

  According to the second embodiment, the ground plate of the skirt terminal 7 and the bottom chassis 3 can be integrated, and by reducing the ground plate, the cost can be reduced and the radio wave shielding effect can be improved. This can improve the efficiency of the installation work. Further, the board fixing piece 4c of the terminal mounting piece 4 standing upward from the end of the bottom chassis 3 can fix the board 2 and ground the skirt terminal 7 at a time.

  In the first and second embodiments described above, the S terminal 1 and the skirt terminal 7 are described as connection terminals. However, the present invention is not limited to this, and other connection terminals can also be applied. Of course.

1st Embodiment of the attachment structure of the connection terminal of this invention is shown, (a) is the front view, (b) is the top view. It is a front view of the bottom chassis of the same structure. It is a perspective view of S terminal which is a connection terminal of the structure. 2nd Embodiment of the attachment structure of the connecting terminal of this invention is shown, (a) is the front view, (b) is the top view. It is a front view of the bottom chassis of the same structure. It is a perspective view of the skirt terminal which is a connection terminal of the structure. The conventional S terminal attachment structure is shown, (a) is the front view, (b) is the top view. It is a front view of the bottom chassis of the same structure. It is a perspective view of S terminal of the same structure. The conventional attachment structure of a skirt terminal is shown, (a) is the front view, (b) is the top view. It is a front view of the bottom chassis of the same structure. It is a perspective view of the skirt terminal of the same structure. The conventional microphone terminal attachment apparatus is shown, (a) is the disassembled perspective view, (b) is the partial disassembled perspective view. It is sectional drawing of the same apparatus. It is a partial exploded perspective view of the conventional installation apparatus of a printed circuit board. It is a fragmentary sectional view which shows the assembly state of the same apparatus. A conventional ground plate is shown, (a) is a front view of the ground plate, (b) is an exploded side view showing a state before the ground plate is attached to the coaxial connector, and (c) is a ground plate on the coaxial connector. It is a side view which shows the state attached.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 S terminal 2 Board | substrate 3 Bottom chassis 4 Terminal mounting piece 4a Circular opening 4b Screw insertion hole 4c Board fixing piece 5 Mounting screw 6 Screw hole 7 Skirt terminal 7a Mounting protrusion 7b Screw hole 8 Terminal mounting piece 8a Opening 8b Screw insertion hole 8c Substrate fixing piece

Claims (3)

In the connection terminal mounting structure in which the S terminal on the board disposed in the bottom chassis is mounted and fixed, the terminal mounting piece is integrally erected upward from the end of the bottom chassis on which the board is disposed. The terminal mounting piece is formed with a circular opening and a screw insertion hole in which the connection portion of the S terminal is exposed, and the terminal mounting piece is bent and extended toward the rear side at the left and right edges of the terminal mounting piece. The front surface of the S terminal arranged on the substrate is brought into contact with the terminal mounting piece, a mounting screw is inserted into the screw insertion hole of the terminal mounting piece, and the mounting screw is inserted into the terminal mounting piece. The S terminal is fixed by being screwed into a screw hole of the S terminal, and the S terminal is fixedly attached to the terminal mounting piece of the bottom chassis, and is bent and extended toward the rear side of the left and right edges of the terminal mounting piece. The substrate fixing piece is placed on the upper surface of the substrate. It is fixed to the substrate in contact with the mounting structure of the connection terminal, characterized by being configured the substrate fixing piece to take by earth ground to the ground pattern of the S terminal of the substrate. In the connection terminal mounting structure in which the skirt terminal on the board disposed in the bottom chassis is mounted and fixed, the terminal mounting piece is integrally erected upward from the end of the bottom chassis on which the board is disposed. In this terminal mounting piece, a pair of left and right screw insertion holes are formed at positions corresponding to the opening where the front surface of the skirt terminal is exposed and the screw holes of the pair of left and right mounting protrusions on the upper surface of the skirt terminal, A board fixing piece that is bent and extended toward the rear side is provided on the left and right edges of the terminal mounting piece, and the terminal mounting piece is positioned on the front side of the skirt terminal arranged on the board, Insert a mounting screw into the pair of left and right screw insertion holes of the terminal mounting piece, screw the mounting screw into the screw hole of the mounting protrusion of the skirt terminal, and fix the skirt terminal to the bottom cover. Attaching and fixing to the terminal mounting piece of the base, and fixing the board by contacting the upper surface of the board with the board fixing piece bent and extended toward the rear side of the left and right edges of the terminal mounting piece, A connection terminal mounting structure, wherein the board fixing piece is grounded to a ground pattern of a skirt terminal of the board so as to be grounded. In the connection terminal mounting structure in which the connection terminals on the board disposed in the bottom chassis are fixedly mounted, the terminal mounting pieces are integrally erected upward from the end of the bottom chassis on which the board is disposed. The terminal mounting piece is formed with an opening and a screw insertion hole in which at least the connection portion of the connection terminal is exposed, and is bent and extended toward the rear side at the left and right edges of the terminal mounting piece. The board fixing piece is provided, the front surface of the connection terminal arranged on the board is brought close to the opening of the terminal mounting piece, and a mounting screw is inserted into the screw insertion hole. The connection terminal is fixed by screwing into the screw hole of the connection terminal and fixed to the terminal mounting piece of the bottom chassis, and the board fixing piece is grounded to the ground pattern of the connection terminal of the board Mounting structure for connection terminal was characterized by being so configured to take ground.

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