JP2001217571A - Printed substrate support structure and printed substrate support spacer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a printed board support structure which is superior in assembly properties when a printed board is disposed in the interior of an electronic apparatus case, and further can effectively utilize a printed board face when the printed board is inserted into the electronic apparatus case, and a printed board support spacer for use in this support structure. SOLUTION: A printed board 17 and a printed board 18 are inserted into an electronic apparatus case 15 along a guide part 16. A printed board support spacer 19 and a printed board support spacer 22 are provided in the printed board 17 and the printed board 18. In the printed board support spacer 19, a first support member 20 is abutted on an inner wall of the electronic apparatus body 15, and a second support member 21 is abutted on the printed board support spacer 22 provided in another printed board 18.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a printed circuit board supporting structure for supporting a printed circuit board disposed inside an electronic apparatus housing, and a printed circuit board supporting spacer used for the supporting structure.

[0002]

2. Description of the Related Art FIG. 5 shows an example of a conventional printed circuit board support structure. In FIG. 5, reference numeral 1 denotes the bottom of the housing of the electronic device;
Denotes an upper portion of the housing of the electronic device, and 3 denotes a printed circuit board. Reference numeral 4 denotes a spacer provided on the housing bottom 1, and reference numeral 5 denotes a screw for fixing the spacer 4 to the housing bottom 1. Reference numeral 6 denotes a spacer provided on the housing upper portion 2, and reference numeral 7 denotes a screw for fixing the spacer 6 to the housing upper portion 2. In this conventional example, the spacer 4 is in contact with the main surface of the printed circuit board 3, and
Is fixed to the housing bottom 1, the printed circuit board 3 comes into contact with the spacer 6. In a state where the printed board 3 is arranged inside the housing, the printed board 3 is structured to be supported by the spacers 4 and 6 fixed to the housing bottom 1 and the housing upper 2.

[0003]

In the conventional support structure as described above, since the spacer 4 and the spacer 6 are attached to the housing of the electronic device by the screws 5 and the screws 7,
There is a problem that a work space for mounting the screws 5 and the screws 7 is required, and the assemblability is not good. When the printed circuit board 3 is inserted from the front into a box-shaped electronic device housing in which the housing bottom portion 1 and the housing upper portion 2 are fixed, it passes through the spacers 4 and 6 projecting from the housing. It is not possible to place electronic components in the area on the printed board, and it may also damage the wiring on the printed board, so space is needed to avoid this, and the area on the printed board is reduced. There was a problem that it could not be used effectively.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and has good assemblability when arranging a printed circuit board inside an electronic equipment housing. An object of the present invention is to provide a printed circuit board support structure capable of effectively utilizing a printed circuit board surface when a substrate is inserted, and a printed circuit board support spacer used in the support structure.

[0005]

According to a first aspect of the present invention, there is provided a printed circuit board supporting structure including a printed circuit board disposed inside a housing of an electronic device, and supporting members provided on both main surfaces of the printed circuit board. This support member is in contact with the inner wall of the electronic device housing.

According to a second aspect of the present invention, there is provided a printed circuit board supporting structure provided on one main surface of one printed circuit board disposed inside an electronic equipment housing, and provided on the one main surface of the one printed circuit board. A first support member abutting on the inner wall and a second support member provided on the other main surface of the first printed circuit board and abutting on a support member on another printed circuit board arranged in the electronic device housing; It is provided.

According to a third aspect of the present invention, there is provided a printed circuit board supporting structure according to the second aspect, wherein the second supporting member is formed of a plate-like member.
The one printed circuit board is provided on the other main surface of the one printed circuit board such that a direction in which the one printed circuit board is inserted into the inside of the electronic device housing is along a plate surface.

According to a fourth aspect of the present invention, there is provided a printed circuit board supporting structure, comprising: a printed circuit board disposed inside an electronic device housing;
The printed circuit board includes a through hole, and a support spacer inserted into the through hole. The support spacer includes a seat that contacts one main surface of the printed board, A first support member that contacts the inner wall of the electronic device housing; and a second support member that projects from the through hole provided in the printed circuit board to the other main surface and contacts the inner wall of the electronic device housing. It is provided.

According to a fifth aspect of the present invention, there is provided a printed circuit board support structure, wherein one printed circuit board disposed inside an electronic device housing, a through hole provided in the one printed circuit board, and inserted into the through hole. A support portion, wherein the support spacer is in contact with a main surface of the first printed circuit board, a first support member which is erected on the seat portion and abuts on an inner wall of the electronic device housing; A second support member that protrudes from a through hole provided in the printed circuit board to another main surface of the printed circuit board and abuts on a support spacer on another printed circuit board arranged inside the electronic device housing. Things.

A printed circuit board supporting structure according to a sixth aspect of the present invention is the printed circuit board supporting structure according to the fifth aspect of the present invention, wherein the second supporting member is formed of a plate-like member.
The one printed circuit board protrudes from the other main surface of the one printed circuit board such that a direction in which the one printed circuit board is inserted into the inside of the electronic device housing is a direction along a plate surface.

According to a seventh aspect of the present invention, there is provided a printed circuit board support spacer comprising: a seat portion in contact with a main surface of one of the printed circuit boards; A supporting member, and a second supporting member protruding from another main surface through a hole provided in the printed circuit board and having an edge in contact with an adjacent surface.

According to an eighth aspect of the present invention, in the support spacer for a printed circuit board according to the seventh aspect of the present invention, the second support member has a taper at an edge contacting an adjacent surface. It is characterized by having been provided.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 First Embodiment A printed board support structure according to a first embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a configuration diagram of a printed circuit board support structure according to Embodiment 1, in which a substrate is closed by a bottom and an upper part of an electronic device housing. FIG. 2 is another configuration diagram of the printed circuit board support structure according to the first embodiment, in which the printed circuit board is inserted through an opening of an electronic device housing.

In FIG. 1, reference numeral 8 denotes the bottom of the housing of the electronic device;
Reference numeral 9 denotes an upper part of the housing of the electronic device, and reference numeral 10 denotes a printed circuit board disposed in the lower part 8 and the upper part 9 of the housing. Reference numeral 11 denotes a first support member provided on one main surface of the printed circuit board 10. Reference numeral 12 denotes a second support member provided on the other main surface of the printed circuit board 10. By fastening the case bottom 8 and the case upper 9 with screws or the like, the support member 11 abuts on the inner wall of the case upper 9 and the support member 12 abuts on the inner wall of the case bottom 8.
Since the support member 11 and the support member 12 are attached to both main surfaces of the printed circuit board, it is not necessary to provide a member for supporting the printed circuit board 10 at the center position or the like on the housing bottom 8 and the housing upper 9. Therefore, the assemblability is good. When the support member is attached to only one surface of the printed circuit board, the printed circuit board is bent by the member force acting between the support member and the printed circuit board. By supporting the printed circuit board 10 from both sides of the housing upper part 9, the bending of the printed circuit board can be reduced.

In FIG. 2, reference numeral 13 denotes an electronic equipment housing in which the housing bottom and the housing top are integrated. The electronic equipment housing 13 has an opening, and the printed circuit board 10 Is inserted. Reference numeral 14 denotes a guide portion provided on the inner wall on both sides of the electronic device housing. The printed circuit board 10 is inserted from the opening of the electronic device housing 13 along the guide portion 14. In a state where the printed board 10 is inserted into the electronic device housing 13, the support member 11 provided on the printed board 10 is provided.
The support member 12 contacts the inner wall of the electronic device housing, that is, the upper inner wall and the bottom inner wall of the electronic device housing in FIG. Since the supporting members 11 and 12 are attached to both main surfaces of the printed circuit board as in the case of FIG. 1, the printed circuit board 10 is supported on the top and bottom of the housing at the center position or the like within the main surface. Therefore, there is no need to provide any members for this purpose, and therefore, the assemblability is good. When the support member is attached to only one surface of the printed circuit board, the printed circuit board is bent by the member force acting between the support member and the printed circuit board. By supporting the printed circuit board 10 from both the bottoms, the bending of the printed circuit board can be reduced.

Embodiment 2 Second Embodiment A printed board supporting structure according to a second embodiment of the present invention will be described with reference to FIGS. FIG. 3 is a configuration diagram of a printed circuit board support structure according to the second embodiment. FIG. 3A is a front view of an electronic device having an opening into which a printed circuit board is inserted, as viewed from the opening. FIG. 3B is a side sectional view as viewed from A in FIG. FIG. 4 is an external view showing a state in which the printed circuit board support spacer according to the second embodiment is incorporated in an electronic device. FIG. 4A is a front view as viewed from an opening of the electronic device, and FIG. 4B is a side cross-sectional view as viewed from A in FIG. 3A.

In FIG. 3, reference numeral 15 denotes a housing of an electronic device into which a plurality of printed boards are inserted, and reference numeral 16 denotes a guide portion extending in a direction in which the printed boards are inserted. The guide portions 16 are provided on inner walls on both sides of the electronic device housing 15. Reference numeral 17 denotes a printed circuit board arranged in an upper part inside the electronic device housing, and reference numeral 18 denotes a printed circuit board arranged in a lower part inside the electronic device housing. That is, in FIG. 3, two printed circuit boards are housed in one electronic device housing 15. Reference numeral 19 denotes a printed board support spacer provided on the printed board 17. In the printed board supporting spacer 19, reference numeral 20 denotes a first supporting member provided on one main surface of the printed board 17, and reference numeral 21 denotes a second supporting member provided on the other main surface of the printed board 17. This support member 1
The configuration of the printed board support spacer 18 including the support member 9 and the support member 20 will be further described later with reference to FIG.
In FIG. 3, reference numeral 22 denotes a printed board support spacer provided on the printed board 18. In the printed circuit board support spacer 22, reference numeral 23 denotes a first support member provided on one main surface of the printed circuit board 18, and reference numeral 23 denotes the printed circuit board 1.
8 is a second support member provided on the other main surface.

The printed circuit board 17 and the printed circuit board 18 are inserted into the electronic device housing 15 along the guide portion 16.
In general, if the rigidity of the board is low, the board will bend, or the board will sway in a vibrating environment. Or decrease. In particular, when the printed circuit boards are arranged in multiple layers, as shown in FIG.
There is a possibility that the electronic components mounted on the electronic component 8 may come into contact with each other and damage the components. In FIG. 3, a plurality of printed circuit board supporting spacers 19 and a plurality of printed circuit board supporting spacers 22 are provided. In FIG. 3A viewed from the opening of the electronic device housing 15, two rows are viewed from the side. In FIG. 3B, three rows are provided. These printed circuit board support spacers function to support the load acting on the printed circuit board in a state where the printed circuit board is disposed in the electronic device housing. In addition, since the printed circuit board supporting spacers 19 and the printed circuit board supporting spacers 22 come into contact with each other at several points during insertion, the bending at the center of the board or the like is eliminated, and the board is inserted while keeping the distance between the boards constant. can do. Of course, printed circuit board support spacers (three in FIG. 3) arranged in the column direction as viewed from the opening surface in FIG. 3A may be arranged at positions shifted from the opening surface. In this case, the printed circuit board can be smoothly inserted.

A characteristic part in FIG. 3 is that the support member 21 provided on the printed board 17 is in contact with the support member 23 provided on the printed board 18. The support member 21 is in contact with an edge of the support member 23, that is, an adjacent surface when viewed from the printed circuit board 17. With this configuration, the printed circuit board 17 is supported from the bottom inner wall of the electronic device housing 15 via the support members 24, 23, and 21. And supported from above.

Further, the support member 21 may be formed of a plate-like member, and the plate surface may be configured to be along the direction in which the printed circuit board is inserted. Printed circuit board 18 is mounted on electronic device housing 1
After inserting the printed circuit board 5 and inserting the printed circuit board 17, the area through which the support member 21 passes is limited to the area in the insertion direction corresponding to the thickness of the plate material. It is possible to secure a wide area.

By configuring the printed board support structure of the second embodiment as described above, even when a plurality of printed boards are arranged inside the housing of the electronic device, the printed board 10 can be mounted on the top and bottom of the housing. There is no need to provide a member for supporting at the center position or the like in the main surface, and therefore, the assemblability is good. When the support member is attached to only one surface of the printed circuit board, the printed circuit board is bent by the member force acting between the support member and the printed circuit board. By supporting the printed circuit board from both the bottoms, the bending of the printed circuit board can be reduced. Further, since a plurality of support members are scattered on the printed circuit board, an effective area for disposing electronic components on the printed circuit board is large. Also, since the support members are arranged on both main surfaces of each printed circuit board,
When the printed board is inserted, it is possible to prevent the lines and components on the printed board from being damaged by the support member.

Next, the structure of the printed circuit board support spacer will be described with reference to FIG. FIG. 4A is a front view of the electronic device as viewed from an opening, and FIG.
FIG. 2 is a side sectional view viewed from A in FIG. In FIGS. 4A and 4B, reference numerals 25 and 26 denote seat portions of the printed board support spacer, and reference numerals 27 and 28 denote contact surfaces of the support members 20 and 23. Numerals 29 and 30 are screws for attaching the printed board support spacer to the printed board.

In the printed circuit board support spacer 19 located at the upper stage, the support member 20 and the support member 21 are erected on the seat 25 and the contact surface 27 is provided on the support member 20.
The same applies to the printed board support spacer 22 located at the lower stage. In these configurations, a plate material is bent and formed as an integral body. The support members 20 and the support members 21 are provided upright to provide a distance between the printed board and an adjacent surface. Contact surface 27
Abuts on the electronic device housing 15 or a support member of another printed circuit board supporting spacer. The edges of the support members 21 and 24 abut against the electronic device housing 15 and the abutment surface of the support member of another printed circuit board supporting spacer. The printed circuit board is provided with a through hole in advance, and the supporting member 21 is inserted into the through hole, the seat 25 is mounted on the printed circuit board, and is fixed with the screw 29. It can project from the main surface to the other main surface. By using such a printed board support spacer, the mounting of the support member on the printed board becomes easy, and the number of components can be reduced. Printing By providing the support members 21 and 24 with a taper, the assembling work can be performed smoothly without being caught when the printed circuit board is inserted.

The printed board supporting spacers shown in FIGS. 3 and 4 are formed by bending a plate material, but may be formed by a stepped pin or the like. In the case of a stepped pin, a portion that becomes a step corresponds to a seat portion, and a column or a prism portion becomes a support member. The end face of the stepped pin corresponds to the contact face.

[0025]

According to the first aspect of the present invention, the supporting members are provided on both main surfaces of the printed circuit board, and these supporting members contact the inner wall of the housing of the electronic device to support the printed circuit board. There is no need to provide a support member in the electronic device housing, and the assemblability is improved.

According to the second aspect of the present invention, even when a plurality of printed boards are arranged in the housing of the electronic device, the support members are provided on both main surfaces of the printed boards, and the support provided on one printed board is provided. Since the member and the supporting member provided on another printed circuit board are brought into contact with each other, it is possible to support a plurality of printed circuit boards from the inner wall of the electronic device housing, and it is not necessary to provide a supporting member on the electronic device housing. Good assemblability.

According to the invention of claim 3, according to claim 2,
In the invention described in (1), the second support member is formed of a plate-shaped member, and the plate surface is provided along the direction in which the printed circuit board is inserted into the electronic device housing. The area on the printed circuit board other than the area can be effectively used.

According to the fourth and fifth aspects of the present invention, since the support spacer is inserted into the substrate, the support spacer can be easily mounted on the substrate, and the number of components can be reduced.

According to the invention described in claim 6, according to claim 5,
In the invention described in (1), the second support member is formed of a plate-shaped member, and the plate surface is provided along the direction in which the printed circuit board is inserted into the electronic device housing. The area on the printed circuit board other than the area can be effectively used.

According to the seventh aspect of the present invention, the printed circuit board supporting spacer for supporting the printed circuit board in the housing of the electronic device can be formed as a single body, so that the number of parts can be reduced and the printed circuit board can be printed. It can be easily mounted on a substrate.

According to the invention described in claim 8, according to claim 8,
In the invention described in (1), the second support member is provided with a taper, so that the printed circuit board is not caught at the time of insertion into the electronic device housing, and the assembling work can be performed smoothly.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a printed circuit board support structure according to a first embodiment of the present invention.

FIG. 2 is another configuration diagram of the printed circuit board support structure according to the first embodiment of the present invention.

FIG. 3 is a configuration diagram of a printed circuit board support structure according to a second embodiment of the present invention.

FIG. 4 is an external view showing a state in which a printed circuit board support spacer according to Embodiment 2 of the present invention is incorporated in an electronic device.

FIG. 5 is an example of a conventional printed circuit board support structure.

[Explanation of symbols]

 10, 17, 18 Printed circuit board 11, 20, 23 First support member 12, 21, 24 Second support member 19, 22 Support spacer 25, 26 Seat

Continued on the front page F term (reference) 4E360 AA02 AB02 AB13 AB23 AB52 AB54 BA02 BC05 CA02 EA24 EC16 ED02 ED03 ED27 GA06 GA12 GA53 GB99 5E348 AA12 AA16 AA31

Claims (8)

[Claims] 1. A printed circuit board disposed inside an electronic device housing, and supporting members provided on both main surfaces of the printed circuit board, and the supporting member abuts on an inner wall of the electronic device housing. A printed circuit board support structure. 2. A printed circuit board disposed inside an electronic device housing; a first support member provided on one main surface of the one printed circuit board and in contact with an inner wall of the electronic device housing; A second support member provided on the other main surface of the first printed circuit board and in contact with a support member on another printed circuit board disposed in the electronic device housing. . 3. The electronic device according to claim 1, wherein the second support member is formed of a plate-shaped member, and the first printed circuit board is inserted into the electronic device housing in a direction along a plate surface. 3. The printed circuit board structure according to claim 2, wherein the printed circuit board is provided on the other main surface of the printed circuit board. 4. A printed circuit board disposed inside an electronic device housing, a through hole provided in the printed circuit board, and a support spacer inserted into the through hole, wherein the support spacer is provided on the printed circuit board. A seat that contacts one of the main surfaces,
A first support member erected on the seat and in contact with the inner wall of the electronic device housing; and a first support member protruding from the through hole provided in the printed circuit board to the other main surface, and contacting the inner wall of the electronic device housing. A printed circuit board supporting structure, comprising: a second supporting member that is in contact with the printed circuit board. 5. A printed circuit board disposed inside an electronic device housing, a through hole provided in the one printed circuit board,
A supporting portion that is inserted into the through hole; the supporting spacer includes a seat portion that is in contact with the main surface of the first printed circuit board, and a support portion that is erected on the seat portion and is in contact with an inner wall of the electronic device housing. And a second support member protruding from a through hole provided in the printed circuit board to another main surface of the printed circuit board and abutting against a support spacer on another printed circuit board arranged inside the electronic device housing. And a supporting member. 6. The electronic device according to claim 1, wherein the second support member is formed of a plate-shaped member, and the first printed circuit board is inserted into the electronic device housing in a direction along a plate surface. 6. The printed board structure according to claim 5, wherein the printed board is protruded from the other main surface of the printed board. 7. A seat provided in contact with the main surface of one of the printed circuit boards, a first support member erected on the seat and having an edge in contact with an adjacent surface, and a hole provided in the printed board. And a second support member protruding from another main surface and having an edge abutting on an adjacent surface. 8. The printed circuit board support spacer according to claim 5, wherein the second support member is provided with a taper at an edge portion in contact with an adjacent surface.