WO2011089655A1 - 基板固定構造 - Google Patents
基板固定構造 Download PDFInfo
- Publication number
- WO2011089655A1 WO2011089655A1 PCT/JP2010/000393 JP2010000393W WO2011089655A1 WO 2011089655 A1 WO2011089655 A1 WO 2011089655A1 JP 2010000393 W JP2010000393 W JP 2010000393W WO 2011089655 A1 WO2011089655 A1 WO 2011089655A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- substrate
- sheet metal
- assembly
- fixing structure
- lifting prevention
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1417—Mounting supporting structure in casing or on frame or rack having securing means for mounting boards, plates or wiring boards
- H05K7/142—Spacers not being card guides
Definitions
- the present invention relates to a substrate fixing structure for assembling and fixing a substrate on which an electronic circuit is formed to a sheet metal part, for example.
- the conventional board fixing structure uses screws when the board is assembled and fixed to a sheet metal part such as a chassis.
- a substrate is positioned by sandwiching one side between two protrusions provided on a sheet metal part, and a screw is screwed in from the surface of the opposite side to be fixed to the sheet metal part. Yes.
- Patent Document 1 described above has a problem in that when a screw is screwed into a sheet metal part, metal scraps as a screw scrap fall on the substrate and an electrical short circuit occurs in an electronic circuit on the substrate. . Further, since the protrusion formed on the sheet metal part does not have elasticity, there is a problem that the substrate is loaded and damaged.
- the present invention has been made to solve the above-described problems, and has a substrate fixing structure that suppresses an electrical short circuit in an electronic circuit on a substrate and suppresses a load on the substrate and fixes the positioning.
- the purpose is to provide.
- the present invention relates to a substrate fixing structure in which a substrate is assembled and fixed to a sheet metal part, and the receiving portion of the substrate and the anti-lifting portion corresponding to both ends of the substrate in the assembly direction are engaged with the recess at the front end portion of the substrate in the assembly direction.
- Engaging engaging portions are cut and raised on the sheet metal parts, and elastic engagement portions that engage the recesses on the substrate surface when assembly is completed and press the substrate against the receiving portion and the engaging portion are provided in the lifting prevention portion It is a thing.
- the substrate fixing structure In the substrate fixing structure according to the present invention, the substrate is assembled and fixed to the sheet metal component only by the receiving portion, the lifting prevention portion, and the engagement portion formed by cutting and raising the sheet metal component without using screws for fixing the sheet metal component and the substrate. Can do. As a result, since no screw residue is generated, the occurrence of an electrical short circuit in the electronic circuit on the substrate can be suppressed. Further, the thickness direction of the substrate, the insertion / sliding direction, and the left-right direction can be positioned and fixed securely in each of the above portions, and the substrate does not chatter even if vibration is applied in each direction.
- FIG. 1A and FIG. 1B show a substrate fixing structure according to Embodiment 1 of the present invention.
- FIG. 2A shows the substrate fixing structure according to the first embodiment of the present invention as viewed from the direction E in FIG. 1A, and FIG. 2B shows an enlarged cross section of FIG. is there.
- FIGS. 3A and 3B show another configuration of the substrate fixing structure according to the first embodiment of the present invention.
- FIG. 4A shows the substrate fixing structure according to the first embodiment of the present invention as viewed from the direction F in FIG. 3A and FIG. 4B shows an enlarged cross section of FIG. is there.
- the sheet metal part 10 includes receiving portions 11a, 11b, 11c, a first lifting prevention portion 12, corresponding to both end portions 20a of the mounting direction of the substrate 20 when the mounting of the substrate 20 is completed.
- a second lifting prevention portion 13 is formed.
- the sheet metal component 10 is formed with an engaging portion 14 corresponding to the front end portion 20b of the substrate 20 in the assembly direction.
- the substrate 20 is provided at the end in the direction in which the substrate 20 is inserted (direction D in FIG. 1A).
- the guide portion 15 has a distal end bent outward with respect to the assembly position, and the guide portion 15 functions to guide and insert the substrate 20 in the assembly direction.
- the receiving portions 11a, 11b, and 11c form a smooth surface at one end of the sheet metal part 10 cut and raised, and function to receive the lower surface of the substrate 20 at a predetermined height from the surface of the sheet metal part 10.
- the first lifting prevention portion 12 is formed with an elastic portion 12a having an elastic shape at one end where the sheet metal part 10 is cut and raised, and the elastic portion 12a is formed by bending, for example, the substantially center of the bent end into a V shape. is doing.
- the first lifting prevention portion 12 presses the substrate 20 toward the receiving portions 11a, 11b, and 11c by the elastic portion 12a to prevent the substrate 20 from lifting in the thickness direction (A direction in FIG. 1A). Function.
- the second lifting prevention portion 13 is formed with an elastic engagement portion 13a at one end where the sheet metal part 10 is cut and raised and bent. For example, the end portion on the guide portion 15 side is bent into a V shape and is elastically engaged. A joint portion 13a is formed.
- the elastic engagement portion 13 a is engaged with a later-described concave portion 21 on the surface of the substrate 20, and the substrate 20 is pressed toward the receiving portions 11 a, 11 b, 11 c, and the thickness direction of the substrate 20 (see FIG. 1 (a) in the A direction) and prevents the substrate 20 from being lifted, and presses the substrate 20 toward the engaging portion 14 to position and fix the sliding direction of the substrate 20 (the B direction in FIG. 1A). It works as follows.
- the engaging portion 14 is provided so as to be orthogonal to the substrate 20 at a position facing the side (D direction in FIG. 1A) where the sheet metal part 10 is cut and raised and the substrate 20 is inserted.
- the engaging portion 14 has a U-shaped contact portion 14a at a position where the front end portion 20b of the substrate 20 in the assembly direction contacts.
- the engaging portion 14 abuts and engages with a later-described concave portion 22 of the substrate 20 by the abutting portion 14a, and functions as a stop for stopping the insertion of the substrate 20, and also in both left and right directions of the substrate 20 (FIG. 1A). (C direction) of ().
- the board 20 is configured by arranging electronic components by a known technique and wiring an electronic circuit by printing, and is a printed wiring board used for an in-vehicle electronic device, for example.
- the substrate 20 is provided with recesses 21 and 22 as a substrate fixing structure.
- the recess 21 is an engagement hole formed at both ends 20a in the assembly direction of the substrate 20, and when the assembly of the substrate 20 to the sheet metal part 10 of FIG. It arrange
- the recess 21 is illustrated as an engagement hole penetrating the substrate 20, but may be formed as a recess having a depth enough to engage with the elastic engagement portion 13a.
- the concave portion 22 is formed by cutting out the front end portion 20b of the substrate 20 in the assembly direction.
- the concave portion 22 is formed on the contact portion 14a of the engagement portion 14. It arrange
- substrate 20 is comprised so that an electric circuit may be arrange
- FIG. 2A shows the sheet metal part 10 and the substrate 20 viewed from the E direction of FIG. 1A
- FIG. 2B shows a part of FIG. .
- the board 20 is guided in the assembling direction by the guide part 15 of the receiving part 11a when the assembling direction tip part 20b is inserted into the board fixing structure of the sheet metal part 10 from the D direction of FIG. Slide on a smooth surface.
- the substrate 20 is guided by the guide portion 15 of the first lifting prevention portion 12 and passes under the first lifting prevention portion 12 and is guided by the guide portion 15 of the receiving portion 11b to smooth the receiving portion 11b. Slide on a flat surface. At this time, the substrate 20 is pressed toward the receiving portions 11a, 11b, and 11c (A direction in FIG. 2A) by the elastic portion 12a of the first lifting preventing portion 12, and the lifting is prevented.
- the substrate 20 When the substrate 20 is further inserted, the substrate 20 is guided to the guide portion 15 of the second lifting prevention portion 13, pushes up the elastic engagement portion 13 a and passes under the second lifting prevention portion 13. It is guided by the guide part 15 of the part 11c and slides on the smooth surface of the receiving part 11c.
- the concave portion 22 formed in the assembling direction front end portion 20b of the substrate 20 contacts the abutting portion 14a of the engaging portion 14.
- the engaging portion 14 is orthogonal to the substrate 20 and stops inserting the substrate 20.
- the substrate 20 is positioned and fixed in the left-right direction (front-rear direction in FIG. 2A) orthogonal to the assembly direction of the substrate 20. .
- the elastic engagement portion 13a of the second lifting prevention portion 13 that was pushed up by the substrate 20 and slid on the surface of the substrate 20 is engaged with the recess 21 of the substrate 20 as shown in FIG. Match.
- the substrate 20 is moved downward in the thickness direction (A direction in FIG. 2B) by the elastic engagement portion 13a.
- the substrate 20 While being pressed, the substrate 20 is pressed in the sliding direction (the B direction in FIG. 2B) by the elastic force of the elastic engagement portion 13a. In this way, the substrate 20 is assembled and fixed on the sheet metal part 10 in the thickness direction, the insertion / sliding direction, and the left-right direction.
- the receiving portions 11a, 11b, and 11c of the substrate 20 corresponding to the both ends 20a in the assembly direction of the substrate 20.
- the first lifting prevention portion 12 and the second lifting prevention portion 13 are formed by cutting and raising the engaging portions 14 that engage with the recesses 22 of the front end portion 20b of the substrate 20 in the assembly direction when the assembly is completed.
- an elastic portion 12a that presses the substrate 20 to the receiving portions 11a, 11b, and 11c is provided in the first lifting prevention portion 12, and engages with the concave portion 21 on the surface of the substrate 20 when the assembly is completed to receive the substrate 20 in the receiving portion 11a.
- the thickness direction, the insertion / sliding direction, and the left-right direction of the substrate 20 can be positioned and fixed securely in the above-described portions, and the substrate 20 does not chatter even if vibration is applied in each direction.
- it can be assembled and fixed simply by inserting and sliding into the respective parts formed by cutting and raising the sheet metal part 10, so that the assembling property can be improved. Can be removed from the sheet metal part 10, so that the decomposability can be improved.
- the receiving portions 11a, 11b, and 11c and the second lifting prevention portion 13 include the guide portion 15 that guides the substrate 20 in the assembling direction.
- the sheet metal part 10 can be easily inserted and slid.
- Each part of the sheet metal part 10 includes a receiving part 11a, a first lifting prevention part 12, a receiving part 11b, a second lifting prevention part 13, and a receiving part from the insertion side of the substrate 20 (D direction in FIG. 1A).
- the portion 11c and the engaging portion 14 are arranged in this order, but are configured so that the position of the first lifting prevention portion 12 and the position of the second lifting prevention portion 13 of the sheet metal part 10 are interchanged. Also good.
- the concave portion 21 of the substrate 20 may be arranged at a position corresponding to either the first lifting prevention portion 12 or the second lifting prevention portion 13 of the sheet metal part 10.
- the second lifting prevention portion forming the elastic engagement portion 33a as shown in FIG. 3A by changing the direction of the second lifting prevention portion 13 of the sheet metal part 10 of FIG. 1A described above. 33 may be provided.
- the substrate 20 is formed with a recess 23 as shown in FIG. 3B by changing the position of the recess 21 shown in FIG.
- FIG. 4A when the concave portion 23 and the elastic engagement portion 33a of the second lifting prevention portion 33 are engaged, the substrate 20 is lowered from the upper side in the thickness direction by the elastic force of the elastic engagement portion 33a. While being pressed in the (A direction of FIG. 4B), the substrate 20 is pressed in the sliding direction (the B direction of FIG. 4B). Even if comprised in this way, the effect similar to the above is acquired.
- the substrate fixing structure includes the receiving portions 11 a, 11 b, 11 c cut and raised in the sheet metal part 10, the first lifting prevention portion 12, the second lifting prevention portion 13, and the engagement portion 14 alone. Since the substrate 20 can be fixed only by the sheet metal part 10 without using a screw by positioning in the thickness direction, the insertion / sliding direction, and the right and left direction and securely fixing, the substrate in the in-vehicle audio apparatus It can be used for fixed structures.
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
Description
実施の形態1.
板金部品10には、図1(a)に示すよう基板20を組み付け完了した際の基板20の組み付け方向両端部20aに対応して受け部11a,11b,11c、第1の浮き上がり防止部12、第2の浮き上がり防止部13が形成されている。また、板金部品10には、基板20の組み付け方向先端部20bに対応して係合部14が形成されている。
基板20は、組み付け方向先端部20bが図2(a)のD方向から板金部品10の基板固定構造に挿入されると、受け部11aのガイド部15により組み付け方向に誘導されて受け部11aの平滑な面を摺動する。
Claims (2)
- 基板を板金部品に組み付け固定する基板固定構造において、
前記基板の組み付け方向両端部に対応して基板の受け部と浮き上がり防止部を、
組み付け完了時に基板の組み付け方向先端部の凹部に係合する係合部を、
それぞれ前記板金部品に切り起こし形成し、
前記組み付け完了時の基板表面の凹部に係合して前記基板を前記受け部および前記係合部に押圧する弾性係合部を前記浮き上がり防止部に設けたことを特徴とする基板固定構造。 - 前記受け部と前記浮き上がり防止部は、前記基板を組み付け方向に誘導するガイド部を備えたことを特徴とする請求項1記載の基板固定構造。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201080033756.6A CN102474995B (zh) | 2010-01-25 | 2010-01-25 | 基板固定结构 |
JP2011550724A JP4937429B2 (ja) | 2010-01-25 | 2010-01-25 | 基板固定構造 |
PCT/JP2010/000393 WO2011089655A1 (ja) | 2010-01-25 | 2010-01-25 | 基板固定構造 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2010/000393 WO2011089655A1 (ja) | 2010-01-25 | 2010-01-25 | 基板固定構造 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011089655A1 true WO2011089655A1 (ja) | 2011-07-28 |
Family
ID=44306479
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2010/000393 WO2011089655A1 (ja) | 2010-01-25 | 2010-01-25 | 基板固定構造 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP4937429B2 (ja) |
CN (1) | CN102474995B (ja) |
WO (1) | WO2011089655A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016199361A1 (ja) * | 2015-06-08 | 2016-12-15 | 株式会社デンソー | 電子機器 |
WO2017167805A1 (de) * | 2016-03-29 | 2017-10-05 | Continental Automotive Gmbh | Träger mit einer auf dem träger befestigten leiterplatte |
WO2021124610A1 (ja) * | 2019-12-17 | 2021-06-24 | 株式会社デンソーテン | 基板取付構造および基板取付方法 |
WO2021137373A1 (en) | 2019-12-30 | 2021-07-08 | Samsung Electronics Co., Ltd. | Pcb assembly structure for electronic appliance |
JP2022043103A (ja) * | 2016-04-14 | 2022-03-15 | エルジー イノテック カンパニー リミテッド | カメラモジュール用回路基板固定装置及びカメラモジュール |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103629881B (zh) * | 2012-08-20 | 2017-02-15 | 海尔集团技术研发中心 | 冰箱压缩机的固定结构及具有该结构的冰箱 |
JP6242546B2 (ja) * | 2015-08-04 | 2017-12-06 | 三菱電機株式会社 | 電子機器の筐体 |
Citations (4)
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JPS61182090U (ja) * | 1985-04-30 | 1986-11-13 | ||
JPH01194397A (ja) * | 1988-01-29 | 1989-08-04 | Hitachi Ltd | プリント基板のガイド構造 |
JPH01165689U (ja) * | 1988-05-10 | 1989-11-20 | ||
JPH06283872A (ja) * | 1993-03-25 | 1994-10-07 | Sumitomo Wiring Syst Ltd | 筺体の基板固定構造 |
Family Cites Families (2)
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US5268820A (en) * | 1992-08-18 | 1993-12-07 | Mitac International Corp. | Mother board assembly |
US7300298B2 (en) * | 2002-12-27 | 2007-11-27 | Fci | Board securing device |
-
2010
- 2010-01-25 JP JP2011550724A patent/JP4937429B2/ja not_active Expired - Fee Related
- 2010-01-25 CN CN201080033756.6A patent/CN102474995B/zh not_active Expired - Fee Related
- 2010-01-25 WO PCT/JP2010/000393 patent/WO2011089655A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS61182090U (ja) * | 1985-04-30 | 1986-11-13 | ||
JPH01194397A (ja) * | 1988-01-29 | 1989-08-04 | Hitachi Ltd | プリント基板のガイド構造 |
JPH01165689U (ja) * | 1988-05-10 | 1989-11-20 | ||
JPH06283872A (ja) * | 1993-03-25 | 1994-10-07 | Sumitomo Wiring Syst Ltd | 筺体の基板固定構造 |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016199361A1 (ja) * | 2015-06-08 | 2016-12-15 | 株式会社デンソー | 電子機器 |
JP2017005060A (ja) * | 2015-06-08 | 2017-01-05 | 株式会社デンソー | 電子機器 |
US10292293B2 (en) | 2015-06-08 | 2019-05-14 | Denso Corporation | Electronic apparatus |
WO2017167805A1 (de) * | 2016-03-29 | 2017-10-05 | Continental Automotive Gmbh | Träger mit einer auf dem träger befestigten leiterplatte |
JP2022043103A (ja) * | 2016-04-14 | 2022-03-15 | エルジー イノテック カンパニー リミテッド | カメラモジュール用回路基板固定装置及びカメラモジュール |
US11602052B2 (en) | 2016-04-14 | 2023-03-07 | Lg Innotek Co., Ltd. | Device for fixing camera module circuit board, and camera module |
JP7364652B2 (ja) | 2016-04-14 | 2023-10-18 | エルジー イノテック カンパニー リミテッド | カメラモジュール用回路基板固定装置及びカメラモジュール |
US11856697B2 (en) | 2016-04-14 | 2023-12-26 | Lg Innotek Co., Ltd. | Device for fixing camera module circuit board, and camera module |
WO2021124610A1 (ja) * | 2019-12-17 | 2021-06-24 | 株式会社デンソーテン | 基板取付構造および基板取付方法 |
JP7441641B2 (ja) | 2019-12-17 | 2024-03-01 | 株式会社デンソーテン | 基板取付構造および基板取付方法 |
WO2021137373A1 (en) | 2019-12-30 | 2021-07-08 | Samsung Electronics Co., Ltd. | Pcb assembly structure for electronic appliance |
EP4018792A4 (en) * | 2019-12-30 | 2022-10-05 | Samsung Electronics Co., Ltd. | PCB ASSEMBLY STRUCTURE FOR ELECTRONIC DEVICE |
Also Published As
Publication number | Publication date |
---|---|
CN102474995A (zh) | 2012-05-23 |
CN102474995B (zh) | 2014-07-30 |
JP4937429B2 (ja) | 2012-05-23 |
JPWO2011089655A1 (ja) | 2013-05-20 |
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