JP2003133761A - Board holding device and electronic apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a board holding device capable of lessening a space required for holding a board as compared with the conventional, and to provide an electronic apparatus comprising the board holding device. SOLUTION: The electronic apparatus is provided with a board holder 300 which comprises through holes 311 and 321 in which, with their extension directions being parallel to each other, screws 221 and 222 for securing a board 210 are inserted, opening formation surfaces 312 and 322 almost orthogonal to the extension directions of the through holes 311 and 321, and board holding surfaces 313 and 323 which, being inclined from the opening formation surfaces 312 and 322, surface-contact the board 210.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a substrate holding device for sandwiching a substrate used in an electronic device such as a vehicle-mounted navigation device, and an electronic device equipped with the substrate holding device.

[0002]

2. Description of the Related Art Conventionally, it is known that a board used for an electronic device such as a vehicle-mounted navigation device is fixed to a case as described below.

In FIG. 9, a vehicle-mounted navigation device 900 has not only a navigation function but also a television function, an audio function, etc., and a front frame 910 arranged in front of the user and a user. A rear frame 920 (see FIG. 10) that is arranged on the back side when viewed and constitutes a case together with the front frame 910, and a display unit 930 that is arranged on the front frame 910 and displays various information as an image.
And an operation input unit 94 arranged on the front frame 910 and configured by various switches operated and inputted by the user.
It has 0 and.

Here, the operation input unit 940 is a volume for adjusting the output volume of a joystick device 940a for operating the cursor displayed on the display unit 930 and the speaker (not shown). It includes a knob 940b.

In order to improve the functionality and design of the navigation device 900, as shown in FIG. 10, the joystick device 940a and the volume knob 940b are in a front direction 91 perpendicular to the front of the front frame 910.
It is installed obliquely downward with respect to 0a.

As shown in FIG. 11, the front frame 910 is made of resin, and an insertion hole 911a for fitting the screw 971 and an opening portion of the insertion hole 911a are formed on the inner surface side of the substrate. A boss 911 that forms a contact surface 911b that contacts the 960, and an insertion hole 912 that fits with the screw 972.
a and a boss 912 that forms an opening of the insertion hole 912a and forms a contact surface 912b that contacts the substrate 960 described later.

As shown in FIG. 12, since the front frame 910 is a resin member molded by a mold in the same drawing direction as the front direction 910a, the insertion holes 911a and 912a extend. The direction is the same as the front direction 910a of the front frame 910.

Further, as shown in FIG. 11, a front frame 910 is provided.
Mounting brackets 950 are attached to the bosses 911 and 912 by screws 971 and 972.
The mounting bracket 950 has a through hole 95 through which the screw 971 passes.
1a and the contact surface 911b of the boss 911 are in surface contact,
Passing hole opening surface 95 in which the opening of the through hole 951a is formed
1b, a through hole 952a through which the screw 972 passes, and a contact surface 912b of the boss 912.
And a fixing portion 952 that forms a passage hole opening surface 952b in which the opening of the through hole 952a is formed. Further, the mounting bracket 950 is the joystick device 9
Board engaging portion 95 that engages with a board 960 on which 40a is installed
3a and the board 960 that engages with the board engaging portion 953a
A projection 953 having an insertion portion 953b to be inserted into a hole 961 formed in the substrate 96, a board engaging portion 954a engaging the board 960, and a board 9 engaging the board engaging portion 954a.
Insertion portion 954b inserted into hole 962 formed in 60
954 having a protrusion, and a fixing portion 951 and a fixing portion 95.
2 is connected, and a connecting portion 956 is provided to project the protruding portion 953 and the protruding portion 954.

The mounting bracket 950 has an insertion portion 953.
b and the insertion portion 954b in the state shown in FIG.
After being inserted into the hole 961 and the hole 962 of 0, the tip is caulked to the state shown in FIG. 11, whereby the board engaging portion 953a and the board engaging portion 954a, and the crimped insertion portion 953b and the insertion. The substrate 9 together with the tip of the portion 954b
Holds 60.

As described above, the substrate 960 on which the joystick device 940a is installed has the front direction 910a of the front frame 910 so that the joystick device 940a is installed inclined with respect to the front direction 910a of the front frame 910. It was necessary to be attached to the front frame 910 inclined with respect to. In addition, the substrate (not shown) on which the volume knob 940b is installed is also a volume knob 940.
It was necessary to be attached to the front frame 910 while being inclined with respect to the front direction 910a of the front frame 910 so that b was installed to be inclined with respect to the front direction 910a of the front frame 910.

Therefore, the navigation device 900
As described above, the board 960 on which the joystick device 940a is installed and the board (not shown) on which the volume knob 940b is installed are mounted on the front frame 910 in the front frame 91.
In order to fix the front frame 910a of 0, that is, the front frame 910 inclining with respect to the drawing direction of the mold for molding the front frame 910, the mounting bracket 950 was provided inside.

[0012]

However, in the above-mentioned conventional navigation device 900, the substrate 960 is used.
To fix the mounting bracket 950 to which the boss 9 is attached.
11 and the boss 912 must be provided on the front frame 910 and outside the board 960 in a direction parallel to the board 960, and a relatively large space is required inside for mounting the fitting 950. there were.

Therefore, it is an object of the present invention to provide a substrate holding device capable of reducing the space required for holding a substrate as compared with the prior art, and an electronic apparatus equipped with the substrate holding device. .

[0014]

In order to solve the above-mentioned problems, the substrate holding device of the present invention has a boss having an abutting surface which is inclined with respect to the extending direction and abuts against the substrate at the inner side. And a substrate holder having a substrate holding surface for holding the substrate, wherein the boss and the substrate holder are in contact with each other so that the contact surface and the substrate holding surface are positioned substantially parallel to each other. The surface and the substrate holding surface are in surface contact with the substrate and are fixed to each other, thereby sandwiching the substrate.

With this structure, in the substrate holding device of the present invention, the boss can be provided on the case inside the substrate in the direction parallel to the substrate, and therefore it is necessary to hold the substrate as compared with the conventional case. The space can be reduced.

Further, in the substrate holding apparatus of the present invention, the case has a plurality of the bosses, and the substrate holder has a plurality of substrate holding surfaces and a connecting portion for connecting the peripheral portions of the plurality of substrate holding surfaces to each other. It has the composition which has.

With this configuration, in the substrate holding apparatus of the present invention, the positions of the plurality of substrate holding surfaces of the substrate holder are fixed to each other, so that the substrate can be held more stably.

Further, in the substrate holding device of the present invention, the substrate holder has a structure in which the substrate holding surface is in surface contact with the substrate, and the substrate and the connecting portion form a gap.

With this structure, the substrate holding device of the present invention can place the component on the substrate while projecting it into the space formed by the substrate and the connecting portion.

Further, the substrate holding device of the present invention has a structure in which the connecting portion is stepwise.

With this structure, the substrate holding device of the present invention can form a wider space between the substrate and the connecting portion, so that a larger component is projected on the substrate into the space formed by the substrate and the connecting portion. Can be installed.

Further, in the substrate holding device of the present invention, the substrate holder has a through hole that passes through the substrate holding surface, and the boss has an insertion hole having an opening on the contact surface. The substrate has a through hole that passes through a contact surface portion between the substrate holder and the boss, and the fastening member is inserted through the through hole of the substrate holder and the through hole of the substrate and inserted into the insertion hole of the boss. The substrate holder, the substrate, and the boss are fastened together.

With this configuration, the substrate holding device of the present invention is arranged so that the direction in which the substrate is fixed to the case in the electronic device is
The fastening member (for example, a screw) can be guided in the extending direction of the insertion hole formed in the boss of the case even if the direction is different from the drawing direction of the mold for molding the case.

Further, the electronic equipment of the present invention has a structure including a substrate holding device.

With this configuration, the electronic device of the present invention can reduce the space required inside for holding the substrate as compared with the conventional device, and thus can be made smaller than the conventional device.

[0026]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

(First Embodiment) First, the configuration of a vehicle-mounted navigation device as an electronic apparatus according to the first embodiment will be described.

FIG. 1 is a sectional view taken along the line AA of FIG.
In FIG. 1, a screw 221 as a fastening member is provided on the inner surface side of a resin-made front frame 110 arranged in front of a user of a vehicle-mounted navigation device 100 (see FIG. 2).
An insertion hole 111a that fits with a boss 111 that forms an abutment surface 111b that comes into contact with a substrate 210, which will be described later, and an insertion hole 111a that fits with a screw 222 as a fastening member. 112a and insertion hole 11
A boss 112 having an opening 2a formed therein to form a contact surface 112b for contacting a substrate 210, which will be described later, and an insertion hole 113a for fitting a screw as a fastening member (not shown).
(See FIG. 3), and a boss 113 (see FIG. 3) that forms an opening of the insertion hole 113a and forms a contact surface 113b (see FIG. 3) that contacts the substrate 210 described later. . Here, as shown in FIG.
b, the contact surface 112b and the contact surface 113b (see FIG. 3), the direction (direction of arrow 210a) substantially orthogonal to the front frame 11
This is different from the drawing direction 110a of the mold for molding 0. The contact surface 111b, the contact surface 112b, and the contact surface 113b are inclined with respect to the extending direction of the boss 111, the boss 112, and the boss 113.

In FIG. 1, the contact surface 111b of the boss 111, the contact surface 112b of the boss 112, and the boss 1
The contact surface 113b (see FIG. 3) of the reference numeral 13 (see FIG. 3) includes
A through hole 211 that faces the insertion hole 111a of the boss 111 and allows the screw 221 to pass therethrough, and an insertion hole 112a of the boss 112.
And a through hole 212 that allows the screw 222 to pass therethrough, and a through hole 213 that faces the insertion hole 113a (see FIG. 3) of the boss 113 and allows a screw not shown in the figure to pass (see FIG. 3).
The substrates 210 forming the and are in surface contact.

The substrate holder 300 is in surface contact with the substrate 210 from the side opposite to the boss 111, the boss 112 and the boss 113.

The substrate holder 300, as shown in FIG.
A through hole 311 into which the screw 221 (see FIG. 1) is inserted, one opening of the through hole 311 is formed, an opening forming surface 312 that is substantially orthogonal to the extending direction of the through hole 311, and the through hole 3
The other fixing opening 11 is formed, is inclined with respect to the opening forming surface 312, is in surface contact with the substrate 210 (see FIG. 1), and forms the substrate holding surface 313 that holds the substrate 210.
Equipped with 10.

Further, the substrate holder 300 has screws 222.
(See FIG. 1) The through hole 321 for inserting (see FIG. 1), one opening of the through hole 321 is formed, the opening forming surface 322 that is substantially orthogonal to the extending direction of the through hole 321, and the other opening of the through hole 321. Is formed, is inclined with respect to the opening forming surface 322, is in surface contact with the substrate 210, and includes a fixing portion 320 that forms a substrate holding surface 323 that holds the substrate 210.

The substrate holder 300 has a through hole 331 (see FIG. 3) into which a screw (not shown) is inserted and the through hole 3
An opening forming surface 332 (see FIG. 3) in which one opening of 31 is formed and which is substantially orthogonal to the extending direction of the through hole 331;
The other opening of the through hole 331 is formed, and the opening forming surface 3
A fixing portion 330 (see FIG. 3) is provided which is inclined obliquely downward with respect to 32, is in surface contact with the substrate 210, and forms a substrate holding surface 333 (see FIG. 3) for holding the substrate 210.

The substrate holder 300 has a through hole 31.
1, the portion forming the through hole 321 and the through hole 331 (the substrate holding surface 313, the substrate holding surface 323, and the substrate holding surface 33
3), that is, a connecting portion 360 that connects the fixed portion 310, the fixed portion 320, and the fixed portion 330 to each other.

Incidentally, as shown in FIG.
Forms a space 300a between the substrate and the substrate 210.

Here, the through hole 311 of the substrate holder 300.
Faces the through hole 211 of the substrate 210, and the insertion hole 111
a extends substantially in the same direction as the extension direction 110a (see FIG. 4) of the die for molding the front frame 110. In addition, the through hole 321 of the substrate holder 300 is
10, the extending direction of the insertion hole 112 a, that is, the drawing direction 11 of the mold for molding the front frame 110.
It extends in substantially the same direction as 0a. Similarly, the through hole 331 (see FIG. 3) of the substrate holder 300 faces the through hole 213 (see FIG. 3) of the substrate 210, and extends in the extending direction of the insertion hole 113a (see FIG. 3), that is, the front frame 110. Is extended in the substantially same direction as the drawing direction 110a of the die for molding.

Therefore, the opening forming surface 312, the opening forming surface 322, and the opening forming surface 332 (see FIG. 3) are substantially the same as the drawing direction 110a of the mold for molding the front frame 110, that is, the extending direction of the insertion hole 111a. They are orthogonal.

As shown in FIG. 3, the front frame 110 is provided with a positioning pin 114 near the boss 111 and a positioning pin 114.
Positioning pins 115 are provided in the vicinity of 13 respectively, and the positioning pins 114 are formed in the holes 2 formed in the substrate 210.
14 and the hole 340 formed in the substrate holder 300, and the positioning pin 115 is inserted into the hole 2 formed in the substrate 210.
The substrate 210 and the substrate holder 300 are positioned by inserting them into the holes 350 formed in the substrate holder 300 and the substrate holder 300.

Further, the front frame 110 and the substrate holder 300.
Constitute the substrate holding device according to the present embodiment.

The navigation device 100 has not only a navigation function but also a television function, an audio function, etc., and as shown in FIG. , Front frame 1
10, a rear frame 120 (see FIG. 6) that constitutes a case, a display unit 130 that is arranged in the front frame 110 and displays various information as an image, and a display unit 130 that is arranged in the front frame 110 and is operated and input by the user. And an operation input unit 140 including various switches.

The operation input section 140 is the display section 13
It includes a joystick device 140a for moving the cursor displayed at 0, and a volume knob 140b for adjusting the output volume of a speaker (not shown).

Next, the operation of the navigation device according to this embodiment will be described.

As shown in FIG. 1, the navigation device 100 is provided with the substrate holder 300 so that the fixing direction of the substrate 210 (the direction of the arrow 210a) is the same as that of the front frame 1.
10, the extending direction of the insertion hole 111a formed in the boss 111, that is, the drawing direction 11 of the mold for molding the front frame 110.
The screw 221 is inserted into the insertion hole 111a in a state different from 0a.
Can be guided in the extending direction.

The screw 221 passes through the through hole 311 of the substrate holder 300 and the through hole 211 of the substrate 210, and then the boss 1
11 is inserted into the insertion hole 111a, and the substrate 210 is attached to the boss 11.
The substrate 21 is pressed by pressing the first contact surface 111b.
Reference numeral 0 denotes a die cutting direction 110a for molding the front frame 110.
It can be fixed to the front frame 110 in a fixing direction different from (direction of arrow 210a).

That is, the boss 111 and the substrate holder 300
Is brought into surface contact with the substrate 210 at the contact surface 111b and the substrate holding surface 313 so that the contact surface 111b and the substrate holding surface 313 are positioned substantially parallel to each other, and is fixed to each other,
The substrate 210 can be sandwiched.

Although the operation relating to the boss 111 has been described above, the same applies to the boss 112 and the boss 113.

As described above, the substrate holding device according to this embodiment has the boss 111, the boss 112, and the boss 11.
Since 3 can be provided on the front frame 110 inside the substrate 210 in the direction parallel to the substrate 210, the space required for holding the substrate 210 can be reduced as compared with the conventional case.

Further, in the substrate holding device according to the present embodiment, the substrate holder 300 has a plurality of substrate holding surfaces 313, a substrate holding surface 323 and a substrate holding surface 333, a plurality of substrate holding surfaces 313, a substrate holding surface 323 and Since the substrate holding surface 333 has a connecting portion 360 that connects the substrate holding surfaces 333 to each other, the plurality of substrate holding surfaces 313 and the substrate holding surface 32 of the substrate holder 300 are provided.
Since the positions of 3 and the substrate holding surface 333 are fixed to each other, the substrate 210 can be held more stably.

In the substrate holding device according to the present embodiment, in the present embodiment, the fixing portion 310, the fixing portion 320 and the fixing portion 3 which are connected to each other by the connecting portion 360.
Although the configuration is provided with one substrate holder 300 having 30, according to the present invention, the fixing portion 310, the fixing portion 320.
Alternatively, the configuration may be such that separate substrate holders each having the fixing portion 330 and the fixing portion 330 are provided.

Further, since the substrate holding device according to the present embodiment has a structure in which the substrate 210 and the connecting portion 360 form the gap 300a, the components are mounted on the substrate 210 by the substrate 21.
0 and the connecting portion 360 could be installed so as to project into the space 300a formed by the connecting portion 360. However, according to the present invention, the connecting portion 360 is formed on the substrate 210 without forming a space between the connecting portion 360 and the substrate 210. It may be in surface contact.

In this embodiment, the screws such as the screws 221 and the screws 222 are used to fasten the substrate holder 300, the substrate 210 and the front frame 110.
According to the present invention, a fastening member other than a screw can be used as long as the substrate holder 300, the substrate 210, and the front frame 110 can be fastened.

Further, in the present embodiment, the fastening member is used to fix the substrate holder 300, the substrate 210 and the front frame 110 to each other. However, according to the present invention, the substrate holder 300, the substrate 210 and the front face. If the frame 110 can be fixed, the fastening member may not be used. For example, a protrusion is provided at the end of the boss of the front frame 110, a hole having a diameter smaller than that of the protrusion is provided at the substrate holder 300, and the protrusion provided at the end of the boss of the front frame 110 is used as a through hole of the substrate 210. After the insertion, the substrate holder 300, the substrate 210, and the front frame 110 can be fixed by screwing into the holes provided in the substrate holder 300.

Further, since the navigation device 100 includes the substrate holding device according to this embodiment, it is possible to reduce the internal space required to hold the substrate as compared with the conventional device. The size can be reduced as compared with the above.

(Second Embodiment) First, the configuration of a vehicle-mounted navigation device as an electronic device according to a second embodiment will be described. In addition, among the configurations of the navigation device according to the present embodiment, configurations similar to those of the navigation device 100 according to the first embodiment are denoted by the same reference numerals and detailed description thereof will be omitted.

In FIG. 7, the navigation device according to the present embodiment is replaced with the substrate holder 300 (see FIG. 5) of the navigation device 100 according to the first embodiment, as shown in FIG. The substrate holder 400 is provided with a step-like connecting portion 460 for connecting the fixing portion 310, the fixing portion 320, and the fixing portion 330 (see FIG. 3).
Therefore, the front frame 110 and the substrate holder 400 constitute the substrate holding device according to the present embodiment. In addition,
As shown in FIG. 7, the connection portion 460 forms a gap 400 a between itself and the substrate 210.

Next, the operation of the navigation device according to this embodiment will be described.

In the navigation device according to the present embodiment, since the connecting portion 460 of the substrate holder 400 has a stepped shape, the gap 400 formed by the substrate 210 and the connecting portion 460 is formed.
a can be made wider than the gap 300a formed by the substrate 210 and the connecting portion 360 shown in FIG. 1, and a larger component can be provided as compared with the navigation device 100 according to the first embodiment. It can be installed on the substrate 210 by protruding it into the space 400a formed by the substrate 210 and the connecting portion 460.

Although the vehicle-mounted navigation device is described as an electronic device in each of the above-described embodiments, the electronic device is not limited to the vehicle-mounted navigation device according to the present invention.

[0059]

As described above, according to the present invention,
It is possible to provide a substrate holding device capable of reducing the space required to hold the substrate as compared with the related art, and an electronic device including the substrate holding device.

[Brief description of drawings]

FIG. 1 is a sectional view of an internal structure of a navigation device according to a first embodiment of the present invention.

FIG. 2 is a front view of the navigation device shown in FIG.

FIG. 3 is an exploded perspective view of a part of the navigation device shown in FIG.

FIG. 4 is a sectional view of a part of a front frame of the navigation device shown in FIG.

5 is a sectional view of a substrate holder of the navigation device shown in FIG.

FIG. 6 is a top view of the navigation device shown in FIG.

FIG. 7 is a cross-sectional view of the internal structure of the navigation device according to the second embodiment of the present invention.

8 is a cross-sectional view of a substrate holder of the navigation device shown in FIG.

FIG. 9 is a front view of a conventional navigation device.

FIG. 10 is a top view of the navigation device shown in FIG.

11 is a cross-sectional view of the navigation device shown in FIG. 9 taken along the line BB.

12 is a sectional view of a part of the front frame of the navigation device shown in FIG.

13 is a cross-sectional view of a substrate holder of the navigation device shown in FIG.

[Explanation of symbols]

100 Navigation device (electronic device) 300 substrate holder 311, 321, 331 through holes 312, 322, 332 Aperture forming surface 313, 323, 333 Substrate holding surface 360 connection 300a void 400 substrate holder 460 connection 400a void 221 and 222 screws 210 substrate 211, 212, 213 through holes 110 Front frame (case) 111a, 112a, 113a insertion holes 111b, 112b, 113b Contact surface

Claims (6)

[Claims] 1. A case having an inner surface having a boss which has an abutting surface at the end that is inclined with respect to the extending direction and abuts the substrate, and a substrate holder having a substrate holding surface for holding the substrate. The boss and the substrate holder are in surface contact with the contact surface and the substrate holding surface so that the contact surface and the substrate holding surface are substantially parallel to each other, and are fixed to each other. A substrate holding device, wherein the substrate is sandwiched. 2. The case has a plurality of bosses, and the substrate holder has a plurality of substrate holding surfaces and a connecting portion that connects peripheral portions of the plurality of substrate holding surfaces to each other. Item 2. The substrate holding device according to Item 1. 3. The substrate holding device according to claim 2, wherein the substrate holder is in surface contact with the substrate at the substrate holding surface, and a gap is formed between the substrate and the connecting portion. 4. The substrate holding device according to claim 3, wherein the connection portion has a step shape. 5. The substrate holder has a through hole that passes through the substrate holding surface, the boss has an insertion hole having an opening in the contact surface, and the substrate has the substrate holder and the boss. A through hole that passes through a contact surface portion with the substrate holder, the substrate and the boss by a fastening member that penetrates the through hole of the substrate holder and the through hole of the substrate and is inserted into the insertion hole of the boss. The substrate holding device according to any one of claims 1 to 4, wherein: and are fastened. 6. An electronic apparatus comprising the substrate holding device according to any one of claims 1 to 5.