KR101324610B1 - Connecting clip to be mounted on board and method for manufacturing the same - Google Patents

Abstract

PURPOSE: A connection clip for mounting on a substrate and a manufacturing method thereof are provided to facilitate coupling and decoupling between a substrate and a terminal and to stably maintain the connection strength of the terminal during coupling. CONSTITUTION: A pair of side circular arcs (170) is connected to both sides of a central circular arc. The pair of side circular arcs is symmetrically formed centering on a pair of side reference lines which are at right angles with a central reference line. A pair of end circular arcs (180) is respectively connected to the pair of side circular arcs. The pair of end circular arcs is symmetrically formed centering on one end reference line respectively, which is at right angles with the central reference line. Each of the pair of end circular arcs has a smaller radius than each radius of the side circular arcs.

Description

CONNECTING CLIP TO BE MOUNTED ON BOARD AND METHOD FOR MANUFACTURING THE SAME

TECHNICAL FIELD This invention relates to the connection clip for board | substrate mounting, and its manufacturing method.

In general, a terminal (terminal) for connecting a circuit board and an electric wire is used for a transformer or a circuit breaker.

In order to connect such a terminal to a circuit board located inside a transformer or the like, a method of welding a terminal to a circuit board is used. This welding has the advantage that the terminal is firmly fixed to the circuit board.

However, according to the welding, when there is a problem in the terminal or a problem in the circuit board, there is a difficulty in separating the terminal from the circuit board. This is because, if forcibly separated, the normal circuit board may be damaged or the normal terminal may be damaged.

SUMMARY OF THE INVENTION An object of the present invention is to provide a board mounting connecting clip and a method for manufacturing the same, which can facilitate the fastening and detachment between the board and the terminal, and can stably maintain the connection strength of the terminal upon fastening.

A board mounting connecting clip according to an embodiment of the present invention for realizing the above object is a mounting pad for forming a region for mounting on the substrate; A central arc portion connected to the mounting pad and symmetrically formed about one central reference line; A pair of lateral arc portions each connected to both sides of the central arc portion and symmetrically formed about a pair of lateral reference lines crossing the center reference line; And a pair of terminal arcs each connected to the pair of lateral arcs, each symmetrically formed about one terminal baseline perpendicular to the center reference line, and having a radius smaller than the radius of the lateral arcs. The central arc portion, the pair of side arc portions, and the pair of terminal arc portions are arranged to form a line, and the center arc portion, the pair of side arc portions, and the pair of terminal arc portions are Circles inscribed in each may be continuously formed to contact each other.

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Here, the radius of the central arc portion may be larger than the radius of the lateral arc portion.

Here, the pair of lateral reference lines and the distal reference line may be arranged to form a triangle, and the central reference line may be arranged to bisect the triangle.

Here, the central arc portion, the lateral arc portion, and the distal arc portion may be located in a jig zag while each convex portion is formed extending from the central arc portion to the distal arc portion.

Here, the mounting pad may be provided as a pair located on both sides of the central arc portion.

Here, the central arc portion, the pair of lateral arc portions, and the pair of terminal arc portions constitute a connection blade, the connection blades may be provided in a pair in parallel.

Here, the mounting pad, the center pad portion located between the pair of connection blades; And a pair of outer pad portions connected to sides opposite to sides connected to the central pad portion in each of the pair of connection vanes.

Here, the first line along the extending direction of the center pad portion may be perpendicular to the second line along the direction connecting the pair of outer pad portions.

According to another aspect of the present invention, there is provided a method of manufacturing a connection clip for mounting a substrate, wherein a portion of the metal plate corresponds to a primary jig having three convex portions, and a portion of the metal plate is punched with a primary punch having a shape opposite to the jig. Thereby obtaining a primary intermediate member consisting of a connecting blade having five arc portions and mounting pads connected to the connecting blade from the metal plate; Placing the primary intermediate member in a secondary jig having a convex portion of a radius larger than the central circular arc portion located in the middle of the five circular arc portions, and punching the central circular arc portion with a secondary punch narrower than the primary punch, thereby making the connection Obtaining secondary intermediates having both ends of the wings collected toward each other; Forming a connecting clip by punching a central protrusion of the secondary intermediate material into a tertiary jig having a convex portion having a radius larger than that of the secondary jig and punching with a tertiary punch narrower than the secondary punch; can do.

According to the board | substrate mounting connection clip which concerns on this invention comprised as mentioned above, and its manufacturing method, while being easy to fasten and isolate | separate between a board | substrate and a terminal, the connection strength of a terminal can be stably maintained at the time of a fastening.

1 is an exploded perspective view illustrating a method in which a terminal T is fastened to a connection clip 100 for board mounting according to an embodiment of the present invention.
2 is a perspective view of the board mounting connection clip 100 of FIG. 1 as viewed from one side.
3 is a perspective view of the board mounting connecting clip 100 of FIG. 2 viewed from the opposite side.
4 is a conceptual diagram illustrating a cross-sectional structure of the connection vane 150 along the line IV-IV of FIG. 2.
5 is a conceptual diagram illustrating a method of manufacturing a board mounting connection clip 100 according to another embodiment of the present invention.

EMBODIMENT OF THE INVENTION Hereinafter, the board | substrate mounting connection clip which concerns on a preferable embodiment of this invention, and its manufacturing method are demonstrated in detail with reference to attached drawing. In the present specification, the same or similar reference numerals are given to different embodiments in the same or similar configurations.

1 is a perspective view illustrating a method in which the terminal T is fastened to the connection clip 100 for board mounting according to an embodiment of the present invention.

Referring to this drawing, the terminal T may have a connection protrusion P protruding relative to other portions. A groove G may be formed in the center of the connection protrusion P. As shown in FIG. The grooves G may be formed on both side surfaces of the connection protrusion P, respectively.

The connection clip 100 for board | substrate mounting is a structure which receives the connection protrusion P, and is electrically and mechanically connected with it. The connection clip 100 for board | substrate mounting can be equipped with the mounting pad 110 and the connection blade 150. In this case, the mounting pad 110 and the connection blade 150 may be formed by one metal plate.

The mounting pad 110 is configured to provide an area for mounting on a circuit board (not shown). To this end, the mounting pad 110 is formed to have a generally flat surface.

The connection blade 150 is formed to be connected to the mounting pad 110. The connection blade 150 is configured to receive the connection projection P and hold it. In the present embodiment, the connection vanes 150 are provided in pairs parallel to each other.

With this configuration, the board mounting connection clip 100 is fastened to the terminal T, specifically the connection projection P, in a state where the mounting pad 110 is mounted on the circuit board by surface mounting technology SMT or the like. .

At this time, the connecting blade 150 of the connection clip 100 for board | substrate mounting receives the connection protrusion P, as the both ends spread | open. The convex part (terminal arc part 180, FIG. 2) of the connection blade 150 toward the connection protrusion P is fitted in the groove G. As shown in FIG. Thereby, the connection protrusion P of the terminal T keeps the state fastened to the connection clip 100 for board | substrate mounting.

The board mounting connecting clip 100 will be described in detail with reference to FIGS. 2 and 3.

FIG. 2 is a perspective view of the board mounting connection clip 100 of FIG. 1 viewed from one side, and FIG. 3 is a perspective view of the board mounting connection clip 100 of FIG. 2 viewed from an opposite side.

Referring to the drawings, the mounting pad 110 may be configured as a pair (120, 130) located on both sides with respect to one connection blade 150. Specifically, the connection vane 150 may include a center pad portion 120 and an outer pad portion 130.

The center pad part 120 is disposed between the pair of connecting vanes 150. The outer pad part 130 is connected to a side opposite to the side connected to the central pad part 120 in each of the pair of connecting vanes 150. Thereby, the outer pad portion 130 is formed in a pair spaced apart from each other. In this case, the virtual first line L _{1 in} the extending direction of the center pad part 120 may be perpendicular to the virtual second line L ₂ connecting the pair of outer pad parts 130. .

The connection blade 150 may include a central arc portion 160, a lateral arc portion 170, and a distal arc portion 180. The central arc portion 160 is located at the center of the connecting vane 150. Side arc portion 170 is provided in a pair located on both sides of the central arc portion 160. Distal arc portion 180 is connected to the free end of the lateral arc portion 170, also provided in pairs. Thereby, the connection blade 150 may be formed symmetrically with respect to the central arc portion 160. In addition, the central arc portion 160, the lateral arc portion 170, and the terminal arc portion 180 are formed such that the convex portions are arranged in a zigzag.

The specific structure of the above connection blade 150 is demonstrated with reference to FIG.

4 is a conceptual diagram illustrating a cross-sectional structure of the connection vane 150 along the line IV-IV of FIG. 2.

Referring to this figure, the central arc portion 160 is an arc-shaped portion symmetrically formed about a virtual center reference line C ₁ . The lateral arcs 170 are arcuate portions symmetrically formed about the lateral lateral reference lines C ₂₁ and C ₂₂ , respectively. At this time, the side reference lines (C ₂₁ , C ₂₂ ) are two, and the center reference line (C ₁ ) are inclined to cross each other. The distal arc portion 180 is arcuate portions symmetrically formed about an imaginary distal reference line C ₃ . At this time, the terminal reference line (C ₃ ) is one line perpendicular to the central reference line (C ₁ ). Here, the pair of lateral reference lines C ₂₁ and C ₂₂ and one terminal reference line C ₃ form a triangle. In addition, the center reference line C ₁ is arranged to bisect the triangle.

In addition, the radius R ₁ of the central arc portion 160 may be larger than the radius R ₂ of the lateral arc portion 170. Furthermore, the radius R ₂ of the lateral arc portion 170 may be larger than the radius R ₃ of the distal arc portion 180.

According to this structure, the connection protrusion P of the terminal T inserted into the connection blade 150 (refer FIG. 1 above) can hold | maintain a more stable connection with the connection blade 150. FIG.

Specifically, since the side arc portion 170 as well as the end arc portion 180 is formed in an arc shape, the elastic support force for the end arc portion 180 inserted into the groove G of the connecting protrusion P is strengthened. do. Thereby, the terminal arc part 180 comes into close contact with the groove G more elastically. Moreover, by constructing the central arc portion 160, the end of the connecting projection P is connected to the convex portion of the central arc portion 160.

Thereby, the grooves G on both sides of the connection protrusion P are brought into close contact by the terminal arc portion 180, and the end thereof is brought into close contact by the central arc portion 160. At this time, the adhesion force by the terminal arc part 180 and the center arc part 160 is further doubled by the elastic support force of the lateral arc part 170 located between them.

Next, the manufacturing method of the above-mentioned board | substrate mounting connection clip 100 is demonstrated with reference to FIG.

5 is a conceptual view illustrating a method of manufacturing a board mounting connection clip according to another embodiment of the present invention.

Referring to this figure, in order to manufacture the substrate mounting connection clip 100 (refer to FIG. 2), a process of sequentially obtaining the primary to secondary intermediate materials 410 and 420, and the completed connection clip 430/430 It may include the process of obtaining ').

First, referring to FIG. 5 (a), the primary jig 210, the primary punch 310, and the metal plate 400 are prepared. The primary jig 210 has three convex portions 215, and the primary punch 310 has a shape opposite to the primary jig 210, that is, two convex portions 315. When a portion of the metal plate 400 is punched between the primary jig 210 and the primary punch 310, the mounting pads are formed by the five arc portions 415 and the unpunched portions from the metal plate 400. , The primary intermediate member 410 is obtained with reference to FIG. 5 (b).

Referring to FIG. 5 (b), the central arc portion located in the middle of the connecting blades 425 composed of five arc portions 415 of the primary intermediate member 410 is formed on the convex portion 225 of the secondary jig 220. Place correspondingly. Here, the convex portion 225 has a larger width (radius) than the convex portion 215 described above. In this state, when punching with the secondary punch 320, both ends of the connection blade 425 are rolled up to some extent to each other. At this time, the mounting pad 421 is not affected at all.

Referring to FIG. 5 (c), the step of advancing the secondary intermediate member 420 in FIG. 5 (b) toward a more final clip may be further provided. In this case, the convex portion 215 ′ may be larger in width than the convex portion 215, and instead, the second punch 320 ′ may be smaller in width than the second punch 320. Alternatively, the steps of FIG. 5 (c) may be incorporated in FIG. 5 (b), and they may proceed at once. In this case, the step of FIG. 5 (b) may be omitted.

Referring to FIG. 5 (d), the secondary intermediate member 420/420 ′ is further processed using the tertiary jig 230 and the tertiary punch 330.

Specifically, the tertiary jig 230 has a tertiary convex portion 235 having a radius larger than the secondary convex portions 215/215 ′. In addition, the tertiary punch 330 has a smaller width than the secondary punches 320/320 '.

As the tertiary punch 330 punches the central arc portion of the connecting vane against the tertiary convex portion 235, both ends of the connecting vane 435 are further collected toward each other. As a result, the clip 430 is completed.

Referring to FIG. 5E, if necessary, the clip 430 may be further punched by using the third jig 230 ′ and the third punch 230 ′. Clip 430 ′ by such punching may have a central arc portion that is somewhat larger in radius than the previous clip 430. This process of FIG. 5E may be integrated into the process of FIG. 5D or may be performed by skipping the process of FIG. 5D.

The substrate mounting connection clip as described above and a method of manufacturing the same are not limited to the configuration and operation of the embodiments described above. The above embodiments may be configured such that various modifications may be made by selectively combining all or part of the embodiments.

100: connection clip for board mounting 110: mounting pad
120: center pad portion 130: outer pad portion
150: connection wing 160: central arc
170: lateral arc portion 180: terminal arc portion
210,220,220 ', 230,230': Jig 310,320,320 ', 330,330': Punch
400: metal plate 410,420: intermediate
430,430 ': complete splice clip

Claims (10)

A mounting pad forming a region for mounting on a substrate;
A central arc portion connected to the mounting pad and symmetrically formed about one central reference line;
A pair of lateral arc portions each connected to both sides of the central arc portion and symmetrically formed about a pair of lateral reference lines crossing the center reference line; And
A pair of terminal arcs each connected to the pair of lateral arcs, each symmetrically formed about one terminal baseline perpendicular to the center reference line, and having a radius smaller than the radius of the lateral arcs;
The central arc portion, the pair of lateral arc portions, and the pair of terminal arc portions are arranged to form a line;
And said central arc portion, said pair of lateral arc portions, and said pair of terminal arc portions are continuously formed such that the circles inscribed to each other are in contact with each other.
delete The method of claim 1,
The connection clip for board | substrate mounting whose radius of the said central arc part is larger than the radius of the said lateral arc part.
The method of claim 1,
The pair of lateral reference lines, and the distal reference line, are arranged to form a triangle,
And the central reference line is arranged to bisec the triangle.
5. The method of claim 4,
The center arc portion, the lateral arc portion, and the distal arc portion, wherein each convex portion is positioned in a zig-zag during formation of an extension from the center arc portion to the distal arc portion.
The method of claim 1,
The mounting pad,
The board | substrate mounting connection clip provided with a pair located in the both sides of the said central arc part.
The method of claim 1,
The central arc portion, the pair of lateral arc portions, and the pair of terminal arc portions constitute a connecting vane,
The connecting clip for board | substrate mounting with which the said connection blade is provided in parallel pair.
The method of claim 7, wherein
The mounting pad,
A center pad portion positioned between the pair of connecting vanes; And
And a pair of outer pad portions connected to sides opposite to sides connected to the center pad portion in each of the pair of connecting vanes.
9. The method of claim 8,
And a first line along an extension direction of the center pad portion is perpendicular to a second line along a direction connecting the pair of outer pad portions.
A part of the metal plate corresponds to a primary jig having three convex portions, and a part of the metal plate is punched with a primary punch having a shape opposite to that of the jig, so that the connecting blade having five arc portions from the metal plate and the connecting wing are formed. Obtaining a primary intermediate member consisting of connected mounting pads;
Placing the primary intermediate member in a secondary jig having a convex portion of a radius larger than the central circular arc portion located in the middle of the five circular arc portions, and punching the central circular arc portion with a secondary punch narrower than the primary punch, thereby making the connection Obtaining secondary intermediates having both ends of the wings collected toward each other; And
Forming a connecting clip by punching a central protrusion of the secondary intermediate material into a tertiary jig having a convex portion having a radius larger than that of the secondary jig and punching with a tertiary punch narrower than the secondary punch; The manufacturing method of the connection clip for board | substrate mounting.

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