JP5530510B1 - Terminal block for grounding - Google Patents

Terminal block for grounding Download PDF

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JP5530510B1
JP5530510B1 JP2012281587A JP2012281587A JP5530510B1 JP 5530510 B1 JP5530510 B1 JP 5530510B1 JP 2012281587 A JP2012281587 A JP 2012281587A JP 2012281587 A JP2012281587 A JP 2012281587A JP 5530510 B1 JP5530510 B1 JP 5530510B1
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substrate
hole
connection plate
terminal block
screw hole
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JP2014127276A (en
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篤朗 杉村
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Takigen Manufacturing Co Ltd
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Priority to CN201310556714.6A priority patent/CN103904439B/en
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Abstract

【課題】ロウ付けの工程を省略でき、製造コストを引き下げることができ、形状と寸法が安定し、メッキが海上輸送を必要とする海外での低コスト生産を前提としたものであっても、国内で比較的低コストで組立てでき、メッキ工程を省略できる接地用端子台を提供する。
【解決手段】接地用端子台１は、基板２と接続板３とからなる。基板２と接続板３とは、圧搾変形部３１ｂにより互いに固着される。したがって、ロウ付けの工程を要しない。接続板３のねじ孔３１ａ付きボス部３１は、基板２の貫通孔２１ａに嵌合する。ボス部３１の先端部に圧搾変形部３１ｂが形成される。
【選択図】図１[PROBLEMS] To eliminate the brazing step, reduce the manufacturing cost, stabilize the shape and dimensions, and plating is premised on low-cost production overseas that requires sea transportation. To provide a grounding terminal block that can be assembled at a relatively low cost in Japan and can eliminate the plating process.
A grounding terminal block includes a substrate and a connecting plate. The board | substrate 2 and the connection board 3 are mutually fixed by the pressing deformation part 31b. Therefore, a brazing process is not required. The boss portion 31 with the screw hole 31 a of the connection plate 3 is fitted into the through hole 21 a of the substrate 2. A squeezing deformation portion 31 b is formed at the tip of the boss portion 31.
[Selection] Figure 1

Description

本発明は、配電盤等の筐体に取り付けられ、内部に収容される電気機器や電気回路等をアースするのに使用される接地用端子台に関する。   The present invention relates to a grounding terminal block that is attached to a housing such as a switchboard and is used to ground an electrical device, an electrical circuit, or the like housed therein.

従来、接地用端子台として、例えば、非特許文献１に記載されたものが知られている。これを図７に示す。この接地用端子台５１は、鋼製の基板５２と銅又は銅合金製の接続板５３とを銀ロウ付けにより固着してなる。基板５２は、端子接続用のねじ孔５２ｂを有する平板状の支持板部５２ａと、当該支持板部５２ａの両端縁から直角に突出する一対の脚部５２ｃとを具備する。接続板５３は、平板材で、基板５２のねじ孔５２ｂに連続するねじ孔５３ａを有し、支持板部５２ａ上に電気的に導通するようにロウ付けされる。この接地用端子台５１は、組み立てられた後、全面に銅メッキ５４が施される。基板５２の脚部５２ｃが、電気機器を収容する筐体の内側面に溶着される。図示しない接地線の端子を固定するボルトがねじ孔５３ａ,５２ｂに螺合される。なお、メッキは、海外で生産された製品を海上輸送する際の腐食対策を目的として行われる。国内で生産できれば、原則としてメッキは不要である。   Conventionally, as a terminal block for grounding, for example, one described in Non-Patent Document 1 is known. This is shown in FIG. The grounding terminal block 51 is formed by fixing a steel substrate 52 and a connection plate 53 made of copper or copper alloy by silver brazing. The substrate 52 includes a flat plate-like support plate portion 52a having a screw hole 52b for connecting terminals, and a pair of leg portions 52c protruding at right angles from both end edges of the support plate portion 52a. The connection plate 53 is a flat plate material, has a screw hole 53a continuous with the screw hole 52b of the substrate 52, and is brazed so as to be electrically conductive on the support plate portion 52a. After the grounding terminal block 51 is assembled, copper plating 54 is applied to the entire surface. The leg part 52c of the board | substrate 52 is welded to the inner surface of the housing | casing which accommodates an electric equipment. A bolt for fixing a terminal of a ground wire (not shown) is screwed into the screw holes 53a and 52b. In addition, plating is performed for the purpose of anti-corrosion when products produced overseas are transported by sea. If it can be produced in Japan, plating is not necessary in principle.

TAKIGEN Catalogue No.20 2007の1212ページ（タキゲン製造株式会社、平成19年4月発行）1212 page of TAKIGEN Catalog No.20 2007 (Takigen Manufacturing Co., Ltd., issued April 2007)

上記従来の接地用端子台の製作においては、ロウ付け作業が難作業で、コストを引き上げる要因となる。ロウ付け工程では、ロウ付けの不良部が生じやすい。ロウ付け不良部には、メッキ液の液溜まりが発生しやすく、そのメッキ液は、製品の表面を酸化し、メッキの剥落を招き、製品の歩留まりを低下させる原因となる。ロウ付けの工程では、加熱処理が行われるため、完成した製品の寸法、形状にばらつきが生じやすい。
したがって、本発明は、ロウ付けの工程を省略して製造コストを引き下げることができる、形状と寸法の安定した接地用端子台を提供することを目的としている。 In the production of the conventional grounding terminal block, the brazing operation is difficult, which increases the cost. In the brazing process, a defective portion of brazing tends to occur. A plating solution pool is likely to be generated in the brazed defective portion, and the plating solution oxidizes the surface of the product, causing the plating to peel off, thereby reducing the yield of the product. In the brazing process, since heat treatment is performed, variations in the size and shape of the finished product are likely to occur.
Accordingly, an object of the present invention is to provide a grounding terminal block having a stable shape and dimensions, which can reduce the manufacturing cost by omitting the brazing step.

以下、添付図面の符号を参照して説明するが、本発明はこれに限定されるものではない。
上記課題を解決するための、本発明の接地用端子台１は、基板２と接続板３とからなり、この基板２と接続板３とが、圧搾変形部３１ｂ,３２ａ,４ａにより互いに固着される構造であり、ロウ付けの工程は省略される。
圧搾変形部３２ａは、基板２の貫通孔２１ｂに嵌合する、接続板３のボス部３２の先端部に形成することができる。
また、基板２の貫通孔２１ａに嵌合する、接続板３のねじ孔３１ａ付きボス部３１の先端部に圧搾変形部３１ｂを形成することができる。
基板２の貫通孔２１ｂと接続板３の貫通孔３２ａとに挿通されるカシメピン４の端部に圧搾変形部４ａを形成することができる。 Hereinafter, the present invention will be described with reference to the accompanying drawings, but the present invention is not limited thereto.
The grounding terminal block 1 according to the present invention for solving the above-described problems includes a substrate 2 and a connection plate 3, and the substrate 2 and the connection plate 3 are fixed to each other by pressing deformation portions 31b, 32a, 4a. The brazing process is omitted.
The squeezing deformation portion 32 a can be formed at the tip end portion of the boss portion 32 of the connection plate 3 that fits into the through hole 21 b of the substrate 2.
Moreover, the compression deformation | transformation part 31b can be formed in the front-end | tip part of the boss | hub part 31 with the screw hole 31a of the connection board 3 fitted to the through-hole 21a of the board | substrate 2. FIG.
The squeezing deformation part 4 a can be formed at the end of the caulking pin 4 inserted through the through hole 21 b of the substrate 2 and the through hole 32 a of the connection plate 3.

本発明の接地用端子台は、ロウ付けの工程を省略できるので、製造コストを引き下げることができ、形状と寸法が安定する。メッキは、海上輸送を必要とする海外での低コスト生産を前提としたものであるが、国内でも比較的低コストで組立てできるので、メッキ工程を省略できる。   Since the grounding terminal block of the present invention can omit the brazing step, the manufacturing cost can be reduced, and the shape and dimensions can be stabilized. Plating is premised on low-cost production overseas that requires marine transportation, but can be assembled at a relatively low cost in Japan, so the plating process can be omitted.

本発明に係る接地用端子台を示すもので、（Ａ）は平面図、（Ｂ）は断面図である。The grounding terminal block which concerns on this invention is shown, (A) is a top view, (B) is sectional drawing. 図１の接地用端子台の組立前の分解した断面図である。FIG. 2 is an exploded cross-sectional view of the ground terminal block of FIG. 1 before assembly. 本発明に係る他の実施形態の接地用端子台を示すもので、（Ａ）は平面図、（Ｂ）は断面図である。The grounding terminal block of other embodiment which concerns on this invention is shown, (A) is a top view, (B) is sectional drawing. 図３の接地用端子台の組立前の分解した断面図である。FIG. 4 is an exploded sectional view of the grounding terminal block of FIG. 3 before assembly. 本発明に係るさらに他の実施形態の接地用端子台を示すもので、（Ａ）は平面図、（Ｂ）は断面図である。The grounding terminal block of further another embodiment which concerns on this invention is shown, (A) is a top view, (B) is sectional drawing. 図５の接地用端子台の組立前の分解した断面図である。FIG. 6 is an exploded cross-sectional view of the grounding terminal block of FIG. 5 before assembly. 従来の接地用端子台を示すもので、（Ａ）は平面図、（Ｂ）は断面図である。The conventional grounding terminal block is shown, (A) is a top view, (B) is sectional drawing.

図面を参照して本発明の実施の形態を説明する。
図１、図２において、接地用端子台１は、互いに電気的に導通するように固着される基板２と接続板３とからなり、両者間を貫通する２つのねじ孔３１ａを具備する。 Embodiments of the present invention will be described with reference to the drawings.
1 and 2, the grounding terminal block 1 includes a substrate 2 and a connection plate 3 that are fixed so as to be electrically connected to each other, and includes two screw holes 31a penetrating therebetween.

基板２は、鋼製で、平板状の支持板部２１と、一対の脚部２２とを具備する。支持板部２１は、ねじ孔３１ａに対応する一対の貫通孔２１ａを有する。脚部２２は、支持板部２１の両端縁から直角に突出する。図２によく示すように、貫通孔２１ａにおける、脚部２２が突出する側の端部には、ザグリ部２１ｂが形成される。   The substrate 2 is made of steel and includes a flat support plate portion 21 and a pair of leg portions 22. The support plate portion 21 has a pair of through holes 21a corresponding to the screw holes 31a. The leg portions 22 project at right angles from both end edges of the support plate portion 21. As shown in FIG. 2, a counterbore 21b is formed at the end of the through hole 21a on the side where the leg 22 protrudes.

接続板３は、銅又は銅合金製の平板材で、ねじ孔３１ａ付きのボス部３１を有する。接続板３は、ボス部３１を基板２の貫通孔２１ａに嵌合させて支持板部２１４上に重ねられ、ボス部３１の先端部に形成される圧搾変形部３１ｂをザグリ部２１ｂに膨出させることより、基板２に固着される。   The connection plate 3 is a flat plate material made of copper or copper alloy and has a boss portion 31 with a screw hole 31a. The connecting plate 3 is overlapped on the support plate portion 214 with the boss portion 31 fitted in the through hole 21a of the substrate 2, and the squeezing deformed portion 31b formed at the tip portion of the boss portion 31 bulges to the counterbore portion 21b. As a result, the substrate 2 is fixed.

図２に示すように、組立前の接続板３は、ボス部３１の中心に貫通する円孔３１ｃを有する。このボス部３１は、基板２の貫通孔３１ａに嵌合させたとき、先端部がわずかに基板２から突出する寸法である。この突出部を圧搾して、図１（Ｂ）に示すように、その圧搾変形部３１ｂをザグリ部２１ｂに膨出させ、基板２と接続板３とを結合する。その後、円孔３１ｃにタッピングして、ねじ孔３１ａが形成される。   As shown in FIG. 2, the connection plate 3 before assembly has a circular hole 31 c that passes through the center of the boss portion 31. The boss portion 31 has a dimension such that the tip portion slightly protrudes from the substrate 2 when fitted into the through hole 31 a of the substrate 2. As shown in FIG. 1 (B), the projecting portion is squeezed so that the squeezed deformed portion 31b bulges to the counterbore portion 21b, and the substrate 2 and the connecting plate 3 are combined. Thereafter, the screw hole 31a is formed by tapping the circular hole 31c.

図３、図４に示す他の実施形態において、基板２は、２つの貫通孔２１ａの中間位置に、他の貫通孔２１ｃを具備する。貫通孔２１ｃは、ザグリ部２１ｄを有する。接続板３は、基板の貫通孔２１ｃに嵌合される他のボス部３２を有する。このボス部３２の先端部に圧搾変形部３２ａが形成される。この圧搾変形部３２ａにより基板２と接続板３とが互いに固着される。したがって、ボス部３２は、嵌合時に基板２からわずかに突出する寸法に形成される。   In other embodiments shown in FIGS. 3 and 4, the substrate 2 includes another through hole 21c at an intermediate position between the two through holes 21a. The through hole 21c has a counterbore 21d. The connection plate 3 has another boss portion 32 fitted into the through hole 21c of the substrate. A squeezing deformation portion 32 a is formed at the tip of the boss portion 32. The substrate 2 and the connection plate 3 are fixed to each other by the squeezing deformation portion 32a. Therefore, the boss portion 32 is formed to have a dimension that slightly protrudes from the substrate 2 when fitted.

なお、この実施形態において、基板２の貫通孔２１ａにはザグリ部が形成されない。接続板３のボス部３１は基板２から突出することのない寸法であり、中心には予めねじ孔３１ａが形成される。   In this embodiment, no counterbore is formed in the through hole 21a of the substrate 2. The boss portion 31 of the connection plate 3 has a dimension that does not protrude from the substrate 2, and a screw hole 31 a is formed in the center in advance.

図５，図６に示す他の実施形態において、基板２は、２つの貫通孔２１ａの中間位置に他の貫通孔２１ｃを具備する。貫通孔２１ｃは、ザグリ部２１ｄを有する。接続板３は、基板２の貫通孔２１ｃに対応する貫通孔３３ａを有する。貫通孔３３ａは、ザグリ部３３ｂを有する。貫通孔２１ｃ，３３ａにカシメピン４が挿入され、それの圧搾変形部４ａにより、基板２と接続板３とが互いに固着される。   In another embodiment shown in FIGS. 5 and 6, the substrate 2 includes another through hole 21c at an intermediate position between the two through holes 21a. The through hole 21c has a counterbore 21d. The connection plate 3 has a through hole 33 a corresponding to the through hole 21 c of the substrate 2. The through hole 33a has a counterbore portion 33b. The caulking pin 4 is inserted into the through holes 21c and 33a, and the substrate 2 and the connection plate 3 are fixed to each other by the squeezing deformation portion 4a.

なお、この実施形態において、基板２の貫通孔２１ａにはザグリ部が形成されない。接続板３のボス部３１は基板２から突出することのない寸法であり、中心には予めねじ孔３１ａが形成される。   In this embodiment, no counterbore is formed in the through hole 21a of the substrate 2. The boss portion 31 of the connection plate 3 has a dimension that does not protrude from the substrate 2, and a screw hole 31 a is formed in the center in advance.

いずれの実施形態の接地用端子台１においても、ロウ付けの工程は省略される。ロウ付け工程の省略により、製造コストを引き下げることができる。ロウ付け工程における加熱が行われないので、製品の形状と寸法が安定する。メッキは、海上輸送を必要とする海外での低コスト生産を前提としたものであるが、国内でも比較的低コストで組立てできるので、メッキ工程を省略できる。   In any of the ground terminal blocks 1 of any embodiment, the brazing process is omitted. By omitting the brazing process, the manufacturing cost can be reduced. Since heating in the brazing process is not performed, the shape and dimensions of the product are stabilized. Plating is premised on low-cost production overseas that requires marine transportation, but can be assembled at a relatively low cost in Japan, so the plating process can be omitted.

１ 接地用端子台
２ 基板
２１ａ 貫通孔
２１ｂ ザグリ部
２１ｃ 貫通孔
２１ｄ ザグリ部
２２ 脚部
３ 接続板
３１ ボス部
３１ａ ねじ孔
３１ｂ 圧搾変形部
３１ｃ 円孔
３２ ボス部
３２ａ 圧搾変形部
３３ａ 貫通孔
３３ｂ ザグリ部
４ カシメピン
４ａ 圧搾変形部 DESCRIPTION OF SYMBOLS 1 Grounding terminal block 2 Board | substrate 21a Through-hole 21b Counterbore part 21c Through-hole 21d Counterbore part 22 Leg part 3 Connection board 31 Boss part 31a Screw hole 31b Compression deformation part 31c Circular hole 32 Boss part 32a Compression deformation part 33a Through-hole 33b Counterbore Part 4 Caulking pin 4a Squeezed deformation part

Claims (4)

互いに電気的に導通するように固着される基板と接続板とからなり、当該基板と接続板との間に貫通するねじ孔を具備し、
前記基板は、鋼製で、前記ねじ孔が貫通する平板状の支持板部と当該支持板部の両端縁から直角に突出する一対の脚部とを具備し、
前記接続板は、銅又は銅合金製の平板材で、前記ねじ孔が貫通し、前記基板の支持板部上に固着され、
前記基板と前記接続板とは、圧搾変形部により互いに固着されることを特徴とする接地用端子台。 It consists of a substrate and a connection plate that are fixed so as to be electrically connected to each other, and includes a screw hole that passes between the substrate and the connection plate.
The substrate is made of steel, and includes a flat plate-like support plate portion through which the screw hole penetrates and a pair of legs protruding at right angles from both end edges of the support plate portion,
The connection plate is a flat plate made of copper or copper alloy, the screw hole penetrates, and is fixed on the support plate portion of the substrate,
The grounding terminal block, wherein the substrate and the connection plate are fixed to each other by a squeezing deformation portion. 前記基板は、前記ねじ孔に対応する貫通孔を有し、
前記接続板は、前記基板の貫通孔に嵌合されるねじ孔付きのボス部を有し、
前記ボス部の先端部に形成される圧搾変形部により前記基板と前記接続板とが互いに固着されることを特徴とする請求項1に記載の接地用端子台。 The substrate has a through hole corresponding to the screw hole,
The connection plate has a boss portion with a screw hole fitted into the through hole of the substrate,
2. The grounding terminal block according to claim 1, wherein the substrate and the connection plate are fixed to each other by a squeezing deformation portion formed at a tip portion of the boss portion. 前記基板は、前記ねじ孔に対応する貫通孔と、この貫通孔と異なる位置に形成される他の貫通孔とを有し、
前記接続板は、前記基板の貫通孔に嵌合されるねじ孔付きのボス部と、前記基板の他の貫通孔に嵌合される他のボス部とを有し、
前記他のボス部の先端部に形成される圧搾変形部により前記基板と前記接続板とが互いに固着されることを特徴とする請求項１に記載の接地用端子台。 The substrate has a through hole corresponding to the screw hole and another through hole formed at a position different from the through hole,
The connection plate has a boss portion with a screw hole to be fitted into the through hole of the substrate, and another boss portion to be fitted into another through hole of the substrate,
The grounding terminal block according to claim 1, wherein the substrate and the connection plate are fixed to each other by a squeezing deformation portion formed at a tip portion of the other boss portion. 前記基板は、前記ねじ孔に対応する貫通孔と、この貫通孔と異なる位置に形成される他の貫通孔とを有し、
前記接続板は、前記基板の貫通孔に嵌合されるねじ孔付きのボス部と、基板の他の貫通孔に対応する他の貫通孔を有し、
前記基板と前記接続板とが前記他の貫通孔に挿通されるカシメピンの圧搾変形部により互いに固着されることを特徴とする請求項1に記載の接地用端子台。 The substrate has a through hole corresponding to the screw hole and another through hole formed at a position different from the through hole,
The connection plate has a boss portion with a screw hole fitted into the through hole of the substrate, and another through hole corresponding to the other through hole of the substrate,
2. The grounding terminal block according to claim 1, wherein the substrate and the connection plate are fixed to each other by a squeezing deformation portion of a caulking pin inserted through the other through hole.
JP2012281587A 2012-12-25 2012-12-25 Terminal block for grounding Expired - Fee Related JP5530510B1 (en)

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Application Number Priority Date Filing Date Title
JP2012281587A JP5530510B1 (en) 2012-12-25 2012-12-25 Terminal block for grounding
TW102108001A TWI481314B (en) 2012-12-25 2013-03-07 Grounding terminal block
CN201310556714.6A CN103904439B (en) 2012-12-25 2013-11-11 Earthy terminal board

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JP2012281587A JP5530510B1 (en) 2012-12-25 2012-12-25 Terminal block for grounding

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JP5530510B1 true JP5530510B1 (en) 2014-06-25
JP2014127276A JP2014127276A (en) 2014-07-07

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KR200496665Y1 (en) * 2021-05-07 2023-03-29 박두성 Waterproof terminal plate for heat pipe watching system

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CN103904439A (en) 2014-07-02
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JP2014127276A (en) 2014-07-07
CN103904439B (en) 2016-04-27

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