JP2001214911A - Combining means of metal thin plate - Google Patents

Combining means of metal thin plate

Info

Publication number
JP2001214911A
JP2001214911A JP2000023000A JP2000023000A JP2001214911A JP 2001214911 A JP2001214911 A JP 2001214911A JP 2000023000 A JP2000023000 A JP 2000023000A JP 2000023000 A JP2000023000 A JP 2000023000A JP 2001214911 A JP2001214911 A JP 2001214911A
Authority
JP
Japan
Prior art keywords
nozzle
burring
screw
mounting hole
joining
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2000023000A
Other languages
Japanese (ja)
Inventor
Jushin Kato
寿秦 加藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP2000023000A priority Critical patent/JP2001214911A/en
Publication of JP2001214911A publication Critical patent/JP2001214911A/en
Pending legal-status Critical Current

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  • Connection Of Plates (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a combining means capable of ensuring a relative position by required accuracy and complementing rigidity of a burring nozzle, when two sheets of plate materials are overlapped in a prescribed direction. SOLUTION: A nozzle 14 provided to protrude as a prepared hole 13 for an internal thread by burring work is protruded to a side of a contact surface 17 mounting a combination mate member, for instance, printed board 16. A screw mounting hole 18 drilled in the printed board 16 has an internal diameter D fitted by a clearance fit to an external diameter d2 of the above nozzle 14. The printed board 16 is accurately positioned in a prescribed position by fitting the nozzle 14 to the mounting hole 18, rigidity of the nozzle is reinforced by a support of the mounting hole 18.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】一方が金属薄板からなる部材
の結合手段に係わり、特にバーリング加工でノズルを突
設する結合手段に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joining means for joining members made of a thin metal plate, and more particularly to joining means for projecting a nozzle by burring.

【0002】[0002]

【従来の技術】図4に示すように、一般に、板厚1.2
mm以下の金属薄板101にM3以上のタッピンネジ
(セルフタップネジ)102を結合部材として使用する
場合、タッピンネジ102の掛り量が不足しネジ締め不
完全が発生し易いので、確実に螺合を行う雌ネジ103
の長さを確保するためにバーリング加工を施す。
2. Description of the Related Art As shown in FIG.
When a self-tapping screw M3 or more of M3 or more is used as a connecting member on a thin metal plate 101 mm or less, the amount of threading of the self-tapping screw 102 is insufficient, and incomplete screw tightening is likely to occur. 103
Burring is performed to secure the length of.

【0003】まず金属薄板101のバーリングノズル1
04の形成位置に穴明けパンチで下穴を明け、この下穴
にバーリングパンチを挿入して金属薄板をしごきながら
バーリングノズル104を形成する手段は公知である。
このバーリング加工によって形成されるバーリングノズ
ル104は、結合相手部材105に干渉しないように、
相手部材105を取付ける当接面106の反対側の面1
07に突設させる。
[0003] First, a burring nozzle 1 of a thin metal plate 101
There is a known means for forming a burring nozzle 104 by drilling a pilot hole at a position where the pit 04 is formed, inserting a burring punch into the pilot hole, and ironing a thin metal plate.
The burring nozzle 104 formed by the burring process does not interfere with the coupling partner 105,
Surface 1 opposite to contact surface 106 on which mating member 105 is mounted
07.

【0004】[0004]

【発明が解決しようとする課題】しかしながら、形成さ
れたバーリングノズル104の壁厚tは金属薄板101
の板厚Tより薄くなる。結合部材であるタッピンネジ1
02との螺合長さを確保するため、例えば一定の内径の
ネジ下穴に対して、バーリングノズル104を高く突出
させるほど、バーリングノズル104の壁厚tは薄くな
り、バーリングノズル104の剛性は不足する。
However, the wall thickness t of the formed burring nozzle 104 is small.
Becomes thinner than the plate thickness T. Tapping screw 1 as a connecting member
For example, as the burring nozzle 104 is protruded higher with respect to a screw hole having a constant inner diameter, the wall thickness t of the burring nozzle 104 becomes thinner and the rigidity of the burring nozzle 104 Run short.

【0005】従って、結合相手部材105の当接面10
6と反対側空間に殆ど独立状態で突出するバーリングノ
ズル104の剛性は弱く、分解・再結合の繰返しに耐久
性がないため不完全なネジ締めが多く発生し、分解・再
結合が可能なネジ結合の特性を十分活用することができ
ない。
Accordingly, the contact surface 10 of the mating member 105
The rigidity of the burring nozzle 104 projecting almost independently to the space opposite to the space 6 is weak, and there is no durability in repetition of disassembly and reassembly. The properties of the bond cannot be fully utilized.

【0006】このような結合手段は、単に結合だけが目
的で互いの部材間に厳密な相対的位置関係を必要とせ
ず、また分解・再結合を行わない場合には、この態様の
バーリングで十分に機能するが、部材間を所要の精度で
所定の相対位置に保持させることが要求される場合は、
一般に、ネジ結合前に二つの部材相互の関係位置を調整
し、ネジ結合位置とは別の位置に部材間を貫通する共通
の透孔を穿設してノックピン108を打込みあるいは植
設して位置決めする別の工程を必要とする。
[0006] In such a connecting means, the burring of this mode is sufficient if the members are merely connected for the purpose of not requiring a strict relative positional relationship between the members, and if disassembly and reconnection are not performed. However, if it is required to hold the members at a predetermined relative position with a required accuracy,
Generally, the relative position between the two members is adjusted before the screw connection, and a common through-hole penetrating between the members is drilled at a position different from the screw connection position, and the knock pin 108 is driven or implanted and positioned. Requires another step to be performed.

【0007】そこで本発明の目的は、二枚の板材を所定
の向きに重ねることで、相対的な位置が所要の精度で確
保でき、バーリングノズルの剛性を補うことができる結
合手段を提供することである。
SUMMARY OF THE INVENTION It is an object of the present invention to provide a connecting means which can secure a relative position with a required precision by stacking two plate members in a predetermined direction, and can supplement the rigidity of a burring nozzle. It is.

【0008】[0008]

【課題を解決するための手段】上記の目的を達成するた
めに、本発明に係わる金属薄板の結合手段は、結合する
二枚の板材の一方がネジを立てる位置の板厚に雌ネジを
つける十分な長さがない金属薄板に、雌ネジの下孔とし
てバーリング加工で突設するノズルを、結合相手部材と
の当接面側に突出させたことを特徴としている。
In order to achieve the above-mentioned object, in the present invention, there is provided a joining means for a metal thin plate, in which a female screw is formed at a thickness at a position where one of the two plate materials to be joined forms a screw. A nozzle is provided on a thin metal plate having a short length and formed by burring as a lower hole of a female screw so as to project toward a contact surface with a mating member.

【0009】そして、前記結合相手部材に穿設するネジ
取付孔は、前記ノズルの外径に嵌合する内径を備える。
また好適には、前記二枚の板材の結合部材はタッピンネ
ジで、前記結合相手部材はプリント回路基板である。
The screw mounting hole drilled in the mating member has an inner diameter that fits into the outer diameter of the nozzle.
Preferably, the connecting member between the two plate members is a tapping screw, and the connecting partner is a printed circuit board.

【0010】[0010]

【発明の実施の形態】以下に本発明に係わる金属薄板の
結合手段の実施の形態を図面に基づいて説明する。図1
は本発明の第一実施例を示す分解斜視図で、図2は図1
の各部材の結合態様を断面で示した側面図である。10
は金属薄板で形成したハウジングで、縁辺11に突設し
た耳板11aを折曲げて形成したブラケット12にはバ
ーリング加工により内径d1のネジ下孔13を備えた外
径d2のバーリングノズル14が結合相手部材としての
プリント基板16を取付ける当接面17側に形成される
(図2参照)。
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an embodiment of a joining means for a metal thin plate according to the present invention. FIG.
FIG. 2 is an exploded perspective view showing a first embodiment of the present invention, and FIG.
FIG. 4 is a side view showing, in cross section, the manner of connection of each member. 10
Is a housing formed of a thin metal plate. A burring nozzle 14 having an outer diameter d2 having a screw hole 13 with an inner diameter d1 is connected to a bracket 12 formed by bending an ear plate 11a protruding from the edge 11 by burring. It is formed on the side of the contact surface 17 where the printed circuit board 16 as a mating member is mounted (see FIG. 2).

【0011】結合相手部材である例えばプリント基板1
6には所定の位置に内径Dのネジ取付孔18が穿設され
る。ネジ取付孔18の内径Dには、ブラケット12から
突出するバーリングノズル14の外径d2とすきまばめ
で嵌合する寸法および公差が設定される。また、バーリ
ングノズル14は、タッピンネジ20の確実な螺合に必
要な高さhを形成することが要求されるが、この第一実
施例では結合相手部材であるプリント基板16の板厚S
1を超えないようにする。
[0011] For example, a printed circuit board 1 as a coupling partner member
6, a screw mounting hole 18 having an inner diameter D is formed at a predetermined position. The inner diameter D of the screw mounting hole 18 is set to a dimension and a tolerance to fit the outer diameter d2 of the burring nozzle 14 projecting from the bracket 12 by loose fit. Further, the burring nozzle 14 is required to form a height h necessary for secure screwing of the self-tapping screw 20. In the first embodiment, the thickness S of the printed circuit board 16 which is a coupling partner is required.
Do not exceed 1.

【0012】図2に示すように、ブラケット12にプリ
ント基板16を固定する。すなわち、ネジ取付孔18を
バーリングノズル14に嵌合させることにより、プリン
ト基板16はバーリングノズル14に誘導され、所定の
位置に正確に位置決めされる。ブラケット12から上方
に突出してネジ取付孔18の中心に臨むバーリングノズ
ル14のネジ下孔13にタッピンネジ20を強制螺入す
る。タッピンネジ20は雌ネジを形成しながらバーリン
グノズル14の下孔13に螺合する。タッピンネジ頭部
22下面でプリント基板16上面を押圧して、ブラケッ
ト12との結合を達成する。
As shown in FIG. 2, a printed circuit board 16 is fixed to the bracket 12. That is, by fitting the screw mounting hole 18 into the burring nozzle 14, the printed board 16 is guided by the burring nozzle 14, and is accurately positioned at a predetermined position. A self-tapping screw 20 is forcibly screwed into the lower screw hole 13 of the burring nozzle 14 projecting upward from the bracket 12 and facing the center of the screw mounting hole 18. The tapping screw 20 is screwed into the lower hole 13 of the burring nozzle 14 while forming a female screw. The upper surface of the printed circuit board 16 is pressed by the lower surface of the tapping screw head 22 to achieve coupling with the bracket 12.

【0013】このように、バーリングノズル14の突出
を結合相手部材であるプリント基板16に方向付けるこ
とにより、バーリングノズル14はネジ取付孔18をガ
イドして、プリント基板16の位置決め部材として機能
する。また、バーリングノズル外径d2と取付孔内径D
とのすきまばめによる密な嵌合で、バーリングノズル1
6は外郭が支持され機械的剛性が向上する。従って、例
えばブラケット12の板厚が0.8mm以下でも、この
ように剛性を取付孔18内壁の支持で強化したバーリン
グノズル14によって確実なネジ結合が達成できる。
As described above, by directing the projection of the burring nozzle 14 toward the printed board 16 which is the mating partner, the burring nozzle 14 guides the screw mounting hole 18 and functions as a positioning member for the printed board 16. Also, the burring nozzle outer diameter d2 and the mounting hole inner diameter D
Burring nozzle 1
The outer shell 6 is supported to improve the mechanical rigidity. Therefore, for example, even when the plate thickness of the bracket 12 is 0.8 mm or less, a reliable screw connection can be achieved by the burring nozzle 14 whose rigidity is reinforced by supporting the inner wall of the mounting hole 18.

【0014】図3は本発明に係わる金属薄板の結合手段
を応用した別の実施形態を数例示したもので、図3
(a)の第二実施例では、結合相手部材30の板厚S2
を超える高さのバーリングノズル31を突設して、バー
リングノズル31の下孔32に雌ネジ33を通常のタッ
プ加工で形成し、螺入した普通小ネジ34には緩み止の
ダブルナット35が施してある。
FIG. 3 shows several examples of another embodiment to which the joining means of the metal thin plate according to the present invention is applied.
In the second embodiment (a), the plate thickness S2
And a female screw 33 is formed in the pilot hole 32 of the burring nozzle 31 by a normal tapping process, and a double nut 35 for preventing loosening is inserted into the threaded ordinary small screw 34. It has been given.

【0015】ダブルナット35はブラケット36に凹部
37を形成して埋入する。バーリングノズル31の突出
端38は普通ネジ34の締付けによってネジ取付孔39
の周縁で強制的に折返され、結合相手部材30の表面に
圧着される。この構成は分解できない結合となり、小ネ
ジ34を取除いても折返された突出端38によって結合
相手部材30とブラケット36との結合状態は維持され
る。この結合は折返された突出端38を破壊することに
よって解除されるが再結合は可能である。
The double nut 35 is embedded in the bracket 36 by forming a recess 37 in the bracket 36. The projecting end 38 of the burring nozzle 31 is screwed into a screw mounting hole 39 by tightening a normal screw 34.
Is forcibly folded at the periphery of the member and is pressed against the surface of the mating member 30. This configuration is a connection that cannot be disassembled. Even if the small screw 34 is removed, the connection between the connection partner member 30 and the bracket 36 is maintained by the folded protruding end 38. This connection is released by breaking the folded protruding end 38, but reconnection is possible.

【0016】図3(b)はバーリングノズル41を位置
決めだけに適用した第三実施例で、結合相手部材40は
確実な結合強度が得られるネジの長さを受容するのに十
分な板厚を備えており、バーリングノズル41の下孔4
3は小ネジ44のネジ部を挿通するだけで、雌ネジの形
成はない。結合相手部材40はバーリングノズル41の
外径とすきまばめで合体される嵌合孔49と同軸でネジ
下孔45が形成され、このネジ下孔45にバーリングノ
ズル41の下孔43を挿通したタッピンネジ44が雌ネ
ジを形成しながら強制螺入され、ブラケット46に結合
相手部材40を定位置に固定する。ネジ下孔45に通常
のタップ加工を施して雌ネジを形成し、普通小ネジを螺
合させてもよい。
FIG. 3B shows a third embodiment in which the burring nozzle 41 is applied only for positioning. The mating member 40 has a plate thickness sufficient to receive the length of a screw which can provide a reliable bonding strength. The burring nozzle 41 has a prepared hole 4
No. 3 only inserts the screw portion of the small screw 44, and does not form a female screw. The coupling partner member 40 has a screw hole 45 formed coaxially with the outer diameter of the burring nozzle 41 and a fitting hole 49 which is united by a loose fit, and a tapping screw having the lower hole 43 of the burring nozzle 41 inserted through the screw hole 45. 44 is forcibly screwed in while forming a female screw, and fixes the mating member 40 to the bracket 46 at a fixed position. A normal tapping may be applied to the screw lower hole 45 to form a female screw, and an ordinary small screw may be screwed.

【0017】図3(c)は、バーリングノズル51の下
孔53に雌ネジを設けず、リベット54を適用した第四
実施例である。ブラケット56に突設したバーリングノ
ズル51に対応する結合相手部材50のネジ取付孔59
の位置によって、結合相手部材50の取付位置は自動的
に決定され、図中矢印方向の剪断力に対するリベット5
4の抗力をバーリングノズル51が補強する。またこの
ような構成のバーリングノズル51は軽量負荷の旋回軸
として適用可能である。
FIG. 3C shows a fourth embodiment in which a female screw is not provided in the pilot hole 53 of the burring nozzle 51 and a rivet 54 is applied. A screw mounting hole 59 of the mating member 50 corresponding to the burring nozzle 51 protruding from the bracket 56.
Is automatically determined according to the position of the rivet 5 against the shearing force in the direction of the arrow in the figure.
The burring nozzle 51 reinforces the drag of No. 4. Further, the burring nozzle 51 having such a configuration can be used as a turning shaft with a light load.

【0018】以上、種々の実施例について述べてきた
が、上記実施例は、本発明に係わる金属薄板の結合手段
を限定するものではなく、構成の組合わせを変えること
によって様々な応用が可能であることを示したものであ
る。
Although various embodiments have been described above, the above-described embodiments are not intended to limit the joining means of the metal sheets according to the present invention, and various applications are possible by changing the combination of the structures. It shows that there is.

【0019】[0019]

【発明の効果】以上の説明で明らかなように、本発明に
係わる金属薄板の結合手段によれば、バーリング加工の
ノズルを結合相手部材の取付孔をガイドするように突設
したので、位置決めのためのノックピンを設ける必要が
なくノックピンを立設する工数が削減されコストが低減
できる。また結合相手部材の取付孔の内径をバーリング
によるノズルの外径にすきまばめで嵌合するようにした
のでノズル外周を取付孔内壁が補強しノズルの剛性が強
化され、不完全なネジ締めが防止できる。
As is apparent from the above description, according to the joining means of the thin metal plate according to the present invention, the burring nozzle is projected so as to guide the mounting hole of the mating member. It is not necessary to provide a knock pin for this purpose, and the man-hour for erecting the knock pin is reduced, and the cost can be reduced. In addition, the inner diameter of the mounting hole of the mating member is loosely fitted to the outer diameter of the nozzle by burring, so the inner wall of the mounting hole reinforces the outer periphery of the nozzle, strengthening the rigidity of the nozzle and preventing incomplete screw tightening it can.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明に係わる金属薄板の結合手段の第一実施
例を示す分解斜視図である。
FIG. 1 is an exploded perspective view showing a first embodiment of a joining means of a metal thin plate according to the present invention.

【図2】本発明に係わる第一実施例を断面で示した側面
図である。
FIG. 2 is a side view showing a cross section of the first embodiment according to the present invention.

【図3】本発明に係わる金属薄板の結合手段のその他の
実施例を断面で示した側面図で(a)は第二実施例、
(b)は第三実施例、(c)は第四実施例である。
FIG. 3 is a side view showing a cross section of another embodiment of the joining means of a metal thin plate according to the present invention, wherein (a) is a second embodiment,
(B) is the third embodiment, and (c) is the fourth embodiment.

【図4】従来の金属薄板の結合手段を断面で示した側面
図である。
FIG. 4 is a side view showing a cross section of a conventional connecting means of a metal sheet.

【符号の説明】[Explanation of symbols]

10 ハウジング 11 縁辺 12 ブラケット(金属薄板) 13 ネジ下孔 14 バーリングノズル 16 プリント基板(結合相手部材) 17 当接面 18 ネジ取付孔 20 タッピンネジ D ネジ取付孔内径 d2 バーリングノズル外径 DESCRIPTION OF SYMBOLS 10 Housing 11 Edge 12 Bracket (thin metal plate) 13 Screw hole 14 Burring nozzle 16 Printed circuit board (joining partner member) 17 Contact surface 18 Screw mounting hole 20 Tapping screw D Screw mounting hole inner diameter d2 Burring nozzle outer diameter

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】 結合する二枚の板材の一方がネジを立て
る位置の板厚に雌ネジをつける十分な長さがない金属薄
板に、雌ネジの下孔としてバーリング加工で突設するノ
ズルを、結合相手部材との当接面側に突出させたことを
特徴とする金属薄板の結合手段。
1. A nozzle projecting by burring as a lower hole of a female screw on a thin metal plate not long enough to provide a female screw to a thickness at a position where one of the two plate materials to be screwed is screwed. And a metal sheet connecting means protruding toward a contact surface with a mating member.
【請求項2】 前記結合相手部材に穿設するネジ取付孔
は、前記ノズルの外径にすきまばめで嵌合する内径を備
えることを特徴とする請求項1記載の金属薄板の結合手
段。
2. The means for joining thin metal plates according to claim 1, wherein said screw mounting hole formed in said mating member has an inner diameter which fits loosely into an outer diameter of said nozzle.
【請求項3】 前記二枚の板材の結合部材がタッピンネ
ジであることを特徴とする請求項1または2に記載の金
属薄板の結合手段。
3. The thin metal sheet joining means according to claim 1, wherein the joining member of the two plate members is a tapping screw.
【請求項4】 前記結合相手部材がプリント回路基板で
あることを特徴とする請求項2に記載の金属薄板の結合
手段。
4. The means for joining thin metal sheets according to claim 2, wherein said joining partner is a printed circuit board.
JP2000023000A 2000-01-31 2000-01-31 Combining means of metal thin plate Pending JP2001214911A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000023000A JP2001214911A (en) 2000-01-31 2000-01-31 Combining means of metal thin plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000023000A JP2001214911A (en) 2000-01-31 2000-01-31 Combining means of metal thin plate

Publications (1)

Publication Number Publication Date
JP2001214911A true JP2001214911A (en) 2001-08-10

Family

ID=18549225

Family Applications (1)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005052389A1 (en) * 2003-11-28 2005-06-09 Ricoh Company, Ltd. Fastening structure, fastening method and fastening member
JP2010190271A (en) * 2009-02-17 2010-09-02 Hoya Corp Mounting structure of component
KR101012361B1 (en) 2003-11-26 2011-02-09 엘지전자 주식회사 Structure for coupling of top-bracket ? side cabinet in clothes dryer
JP2011226538A (en) * 2010-04-19 2011-11-10 Tokai Rika Co Ltd Steering-lock device and mounting structure of cover member
CN108347853A (en) * 2017-01-23 2018-07-31 北京国电智深控制技术有限公司 The fixed structure and assemble method of DIN guide rails and module base

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101012361B1 (en) 2003-11-26 2011-02-09 엘지전자 주식회사 Structure for coupling of top-bracket ? side cabinet in clothes dryer
WO2005052389A1 (en) * 2003-11-28 2005-06-09 Ricoh Company, Ltd. Fastening structure, fastening method and fastening member
KR100821444B1 (en) * 2003-11-28 2008-04-11 가부시키가이샤 리코 Fastening structure and fastening method
CN100445578C (en) * 2003-11-28 2008-12-24 株式会社理光 Fastening structure, fastening method and fastening member
US8262330B2 (en) 2003-11-28 2012-09-11 Ricoh Company, Ltd. Fastening structure, fastening method and fastening member
JP2010190271A (en) * 2009-02-17 2010-09-02 Hoya Corp Mounting structure of component
JP2011226538A (en) * 2010-04-19 2011-11-10 Tokai Rika Co Ltd Steering-lock device and mounting structure of cover member
CN108347853A (en) * 2017-01-23 2018-07-31 北京国电智深控制技术有限公司 The fixed structure and assemble method of DIN guide rails and module base
CN108347853B (en) * 2017-01-23 2023-11-21 北京国电智深控制技术有限公司 DIN rail and module base fixing structure and assembly method

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