JP4917933B2 - Electronic device and connector holder - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electronic device capable of applying a common connector holder to a plurality of substrates having different kinds of connectors mounted, and a connector holder installed on this electronic device. <P>SOLUTION: The fringe portion of an opening of a connector holder has a first energizing end face which can energize a first connector toward the substrate by contacting a face being at a further point from the substrate of the first connector installed at the prescribed position of the substrate when the substrate is a first type of substrate, and a second energizing end face which energizes a second connector toward the substrate by contacting the face being at a further point from the substrate of the second connector installed at the prescribed position of the substrate when the substrate is a second type of substrate. <P>COPYRIGHT: (C)2009,JPO&amp;INPIT

Description

  The present invention relates to an electronic device configured such that a board is fixed inside a case and a connector mounted on the rear end of the board is exposed on the back surface of the case, and attached to one side surface of the case of the electronic apparatus. The present invention relates to a connector holder that holds a connector.

In particular, an electronic device attached to a vehicle such as a car navigation device or a car audio device is subject to an inertial force applied to the electronic device itself due to acceleration or deceleration of the vehicle, and thus a load is easily applied between the connector and the plug of the cable. In order to prevent the connector from being damaged due to local concentrated stress applied to the connector, particularly the soldered portion connected to the board, by this load, in order to hold the connector, such as that described in Patent Document 1. It is preferable to provide a connector holder.
JP2001-23733

  The connector holder is a panel-like member attached to one side of the case, and is provided with an opening for holding the connector and a screw hole for fastening the connector holder to the back of the case. When using the connector holder for the control board with the connector mounted on the board, after mounting the control board inside the case, perform positioning so that the end face of the opening is pressed against the board, then By screwing the connector holder to the side of the case, the connector is held by the open end surface.

  In order to reduce the cost of electronic devices, a configuration in which a case shape is common among a plurality of types of electronic devices and a built-in device such as a substrate or auxiliary storage means is appropriately selected according to the type of electronic device is widely used. . In particular, in-dash type car audio devices and car navigation devices in which case dimensions are roughly determined by standards, it is common to use a common case.

  For this reason, the type of connector mounted on the board may be different, and in such a case, a different connector holder is used for each board, resulting in an increase in cost.

  The present invention has been made in view of the above problems. That is, an object of the present invention is to provide an electronic device to which a common connector holder can be applied to a plurality of boards having different types of mounted connectors, and a connector holder attached to the electronic device. .

  In order to achieve the above object, in the present invention, the board of the first connector provided at a predetermined position of the board at the edge of the opening of the connector holder when the board is the first type board. A first biasing end surface that can abut against a surface that is distal to the substrate to bias the first connector toward the substrate, and the substrate is predetermined when the substrate is a second type of substrate. And a second biasing end surface for abutting a surface of the second connector provided at a position that is distal to the substrate and biasing the second connector toward the substrate.

  Therefore, according to the present invention, the connector can be held by the common connector holder regardless of which of the first type substrate and the second type substrate is employed in the electronic device.

  Preferably, side urging end surfaces for holding at least one of the first connector and the second connector from both sides in the width direction of the connector are defined at the edge of the opening. With such a configuration, the connector can be held not only in the direction toward the substrate but also in the width direction, so that the connector is held more firmly.

  Preferably, a step portion is provided between the first urging end surface and the second urging end surface at the edge of the opening, and the second connector is provided on at least a part of the step portion. A side biasing end surface for holding is defined. With such a configuration, the opening can hold the connector in the width direction for both the first and second connectors.

  Preferably, the connector holder further includes a tongue portion extending from at least one of the first and second biasing end surfaces toward the inside of the case and capable of biasing the connector toward the board together with the biasing end surface. With such a configuration, it is possible to hold a connector having a deep depth on the back side. The soldering part for connecting the connector and the board is often formed on the back side of the connector or on the back side of the connector itself. In the present invention, even with such a connector, the connector is held by the tongue portion so that the connector is held at a position closer to the soldering portion so that an excessive load is not applied to the soldering portion.

  As described above, according to the present invention, an electronic device to which a common connector holder can be applied to a plurality of boards having different types of mounted connectors, and a connector holder attached to the electronic device are realized. The

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 shows a front side, a top side, and a right side surface from the front side of the car navigation device according to the present embodiment (hereinafter, a side surface that becomes the right side when the front is arranged in front is referred to as a “right side”, FIG. The car navigation device 1 according to the present embodiment is a so-called in-dash type car navigation device that is embedded in a 2DIN (width 178 mm × height 100 mm) size opening provided on a dashboard of an automobile.

  As shown in FIG. 1, the car navigation device 1 of the present embodiment is configured such that various parts are built in a case 10 having a substantially rectangular parallelepiped shape. On the front surface 12 of the case 10, a monitor slot 12a for accommodating a liquid crystal monitor 21, a disk slit 12b for setting a DVD medium in a DVD drive built in the car navigation device 1, and a hard disk drive unit 22 are inserted. A hard disk slot 12c, a memory slit 12d into which a flash memory card can be inserted, and a microphone slit 12e for inputting sound to the built-in microphone from the outside are provided. When the car navigation apparatus 1 is used, the liquid crystal monitor 21 is pulled out from the monitor slot 12a.

  A plurality of screw holes 13 a are formed on the right side surface 13 of the case 10. Although not shown, a similar screw hole is formed in the left side surface 14 of the case 10. When the car navigation device 1 is fixed in the dashboard of the automobile, a bracket prepared for each type of automobile is screwed to the left and right sides of the case 10 and the bracket is screwed to the dashboard.

  The case 10 incorporates a main board 31 and a sub board 32. The main substrate 31 is fixed on the inner surface of the lower surface 16 of the case 10, and the sub substrate 32 is fixed on the inner surface of the upper surface of the case 10. Components such as a CPU, a RAM, an I / O controller, and an image processing circuit are mounted on the main board 31 and the sub board 32. Various connectors for connecting a GPS antenna, a beacon receiving unit, a speaker, a rear confirmation camera, a vehicle signal connection cord, and the like to the car navigation device 1 are mounted on the rear side edges of both the boards 31 and 32. .

  The connector structure will be described below. FIG. 2 is a rear view of the car navigation apparatus 1 of the present embodiment. As shown in FIG. 2, most of the connectors for connecting cables are arranged along the upper and lower ends on the back surface 15 of the case 10. That is, most of the connectors are mounted on the main board 31 or the sub board 32.

  In the present embodiment, a connector holder for holding the connector mounted on the sub-board 32 and preventing the load from being concentrated on the connecting portion between the sub-board 32 and the connector when a load is applied to the connector from the cable. 42 is used. The connector holder 42 is fixed to the back surface 15 of the case 10 by two screws 41a and 41b. The connector holder 42 is formed by pressing a steel plate.

  Hereinafter, the structure of the connector holder 42 will be described. FIG. 3 is a front view of the connector holder 42. As shown in FIG. 3, the connector holder 42 has openings 43, 44, 45, 46, 47 and 48. The openings 43 to 48 are slightly larger than the connectors 33 to 38 (FIG. 2) mounted on the sub-board 32, and the connectors 33 to 38 are inserted into the openings 43 to 48. It has become so. Here, the connector holder 42 is positioned so that the connectors 33 to 38 are pressed from the bottom to the top (that is, toward the sub-board 32), and then the connector holder 42 is fixed to the case 10 with screws 41a and 41b. If it fixes to the back surface 15 of each, the state which each opening 43-48 of the connector holder 42 presses the corresponding connectors 33-38 is maintained, and a connector is hold | maintained. For this reason, even if a load is applied to the connector via the cable connected to the connector, the load is received at the opening edge of the connector, and an excessive load is not applied to the joint between the board and the connector. .

  In the present embodiment, the sub-board 32 can be selected from two types of specifications according to the specifications of the car navigation device 1. The shape of the connector 37 at the right end (the side closer to the left side surface 14) in FIG. 2 is different between the first specification sub-board and the second specification sub-board. For this reason, the opening 37 of the connector holder 42 of this embodiment has a shape that can hold the connector with respect to any of the two types of connectors 37.

  Hereinafter, the characteristics of the opening 47 will be described. FIG. 4 is an enlarged perspective view around the opening 47 of the connector holder 42. As shown in FIG. 4, the opening 47 has a shape in which the protrusion is inverted upside down as a whole. That is, both edges in the width direction of the opening 47 include upper edge portions 47a and 47a formed with a large interval between them, and lower edge portions 47b and 47b formed with a smaller interval than the upper edge portions 47a and 47a. Have. A crank-shaped step portion is formed between the upper edge portion 47a and the lower edge portion 47b. Further, a tongue portion 42 a bent toward the inside of the case 10 is provided at the lower edge portion of the opening 47.

  The holding structure of the connector 37 by the opening 47 will be described below. In the following description, the connector 37 of the first specification sub-board 32a is referred to as a connector 37a, and the connector 37 of the second specification sub-board 32b is referred to as a connector 37b.

  FIG. 5 shows a state in which the first specification sub-board 32 a is attached to the case 10 and the connector 37 a is held by the connector holder 42. As shown in the figure, the upper edge portions 47a and 47a of the opening 47 are configured such that the distance between them is substantially equal to the width of the connector 37a. The position of the stepped portion of the opening 47 is determined so that the lower end of the connector 37a and the upper edge 47c of the stepped portion substantially come into contact when the connector holder 42 is attached to the case 10. Therefore, when the connector holder 42 is attached to the case 10, the connector 37a is held from the left and right by the upper edge 47a of the opening 47, and is directed from the bottom to the top (ie, toward the sub board 32a) by the upper edge 47c of the stepped portion. Squeezed in the direction).

  FIG. 6 shows a state in which the sub board 32b of the second specification is attached to the case 10 and the connector 37b is held by the connector holder 42. As shown in the figure, the connector 37b is narrower and higher in height than the connector 37a of the sub-board 32a of the first specification. The lower edge portions 47b and 47b of the opening 47 are configured such that the distance between them is substantially equal to the width of the connector 37b. Further, the position of the tongue 47a of the opening 47 is determined so that the lower end of the connector 37b and the tongue 47d substantially come into contact when the connector holder 42 is attached to the case 10. Therefore, when the connector holder 42 is attached to the case 10, the connector 37b is held from the left and right by the lower edge 47b of the opening 47, and from the bottom to the top by the tongue 47d (that is, in the direction toward the sub board 32b). It is pressed. In the present embodiment, the connector 37b is deeper than the connector 37a of the sub board 32a of the first specification. For this reason, in the present embodiment, the tongue portion 47d presses the connector 37b so that the connector 37b can be held on the deeper side.

It is a perspective view which shows the front, upper surface, and right side surface of the car navigation apparatus of embodiment of this invention. It is a rear view of the car navigation device of an embodiment of the invention. It is a front view of the connector holder of an embodiment of the invention. It is an expansion perspective view around the opening of the connector holder of the embodiment of the present invention. In the embodiment of the present invention, the sub board of the first specification is attached to the case of the car navigation device, and the connector is held by the connector holder. In the embodiment of the present invention, the sub board of the second specification is attached to the case of the car navigation device, and the connector is held by the connector holder.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Car navigation apparatus 10 Case 11 Case upper surface 12 Case front surface 13 Case right side surface 14 Case left side surface 15 Case rear surface 16 Case lower surface 31 Main board 32 Sub board 33-38 Connector 41a, 41b Screw 42 Connector holder 43-48 Opening 47a Upper edge 47b Lower edge 47c Upper edge of step 47d Tongue

Claims (10)

A first control board having a first connector mounted on one end, and a second control board having a second connector having a smaller width and a higher height than the first connector mounted on one end. either it is configured to be selectively attachable to the inside, the first and the first connector when the control board mounted, the second when mounted the control board of the second a case where the connector and is adapted to be located at the same position of one side,
A connector holder attached to one side of the case and provided with an opening for holding the connector mounted on the first or second control board attached to the case ;
Have
An electronic device that is configured to be able to insert the plug into the connector exposed on one side surface of the case,
The edge defining the opening is
A step is formed in the middle, and a pair of side edges arranged opposite to each other,
A lower edge portion connecting one end of the pair of side edge portions;
Has a substantially convex shape,
The step edge that forms the step parallel to the lower edge holds the first connector with the first control board,
The lower edge, that holds the second connector between the second control board, the electronic apparatus characterized by. Among the side edges, when the lower edge side is defined as a side width narrow edge part across the step, and when the side away from the lower edge part is defined as a side wide edge part,
The pair of side wide edges hold the first connector from both sides in the width direction,
A pair of said lateral width Semaen portion, said you, characterized in that the second connector to hold the both sides in the width direction, the electronic device according to claim 1, characterized in that. The step edge urges the first connector toward the first control board,
The lower edge, said you biases the second connector to the second control board side, the electronic device according to claim 1 or claim 2, characterized in that. At least a portion of the lower edge extends towards the interior of said casing, said that have tongues for urging is formed a second connector to the second control board side, characterized in that The electronic device according to any one of claims 1 to 3. The connector holder, the electronic device according to any one of claims 4 are formed, the preceding claims, characterized in that by pressing a metal plate. A first control board having a first connector mounted on one end, and a second control board having a second connector having a smaller width and a higher height than the first connector mounted on one end. Either one is configured to be selectively attached to the inside, and the first connector when the first control board is attached and the second connector when the second control board is attached The connector is a connector holder that is used by being attached to the one side of a case that is arranged at the same position on one side,
An opening for holding the connector mounted on the first or the second control board attached to the case ;
The edge defining the opening is
A step is formed in the middle, and a pair of side edges arranged opposite to each other,
A lower edge portion connecting one end of the pair of side edge portions;
Has a substantially convex shape,
The step edge that forms the step parallel to the lower edge can hold the first connector with the first control board,
The lower edge, Ru can hold the second connector between the second control board, the connector holder. Among the side edges, when the lower edge side is defined as a side width narrow edge part across the step, and when the side away from the lower edge part is defined as a side wide edge part,
The pair of side wide edges can hold the first connector from both sides in the width direction,
A pair of said lateral width Semaen unit, Ru can hold the second connector from both sides in the width direction, connector holder of claim 6. The step edge can urge the first connector toward the first control board,
The lower edge, the connector holder according to claim 6 or claim 7 wherein the second connector Ru can the biasing said second control board side, it is characterized. At least a portion of the lower edge extends towards the interior of the case, that have activatable tongue portion is formed with the second connector to the second control board side, and wherein the The connector holder according to any one of claims 6 to 8 . The connector holder according to any one of claims 6 to 9, wherein the connector holder is formed by pressing a metal plate.

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