JP3128148U - Structure for fixing AC cord to substrate and structure for fixing cord to substrate - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a core wire from being exposed to the surface of a substrate without requiring a separate part, to reduce the cost, and to prevent the core wire from being exposed from the surface of the substrate. Provided are a structure for fixing an AC cord to a substrate and a structure for fixing a cord to a substrate, which can be fixed to the substrate and can prevent disconnection, and can improve workability.
An AC cord substrate in which an end of an AC cord 2 is inserted into a hole 1a provided in the substrate 1 and soldered on the back side of the substrate 1 to fix the AC cord 2 to the substrate 1. In the fixing structure, the covering portion 2a at the tip of the AC cord 2 is inserted into the hole 1a of the substrate 1 and the end thereof is bent into a substantially L shape on the back side of the substrate 1, and the end of the AC cord 2 Is fixed to the back surface of the substrate with solder 3 by soldering.
[Selection] Figure 1

Description

  In the present invention, an AC cord or an end of the cord is inserted into a hole provided in the substrate and soldered on the back side of the substrate to fix the AC cord or the cord to the substrate. The present invention relates to a fixing structure and a structure for fixing a cord to a substrate.

  As shown in FIGS. 3 (a) and 3 (b), the conventional AC cord fixing structure to the substrate is such that the core wire 103 from which the covering portion 102 at the tip of the AC cord 101 is peeled is provided in the hole 104a provided in the substrate 104. It was inserted and fixed to the back surface of the substrate 104 by soldering. However, as shown in FIGS. 3A and 3B, since the core wire 103 is exposed on the surface of the substrate 104, there is a problem that it is not stable after being fixed to the substrate 104 and may be disconnected. there were.

  The first prior art is shown in FIG. 4, FIG. 5, and FIG. As shown in FIGS. 4, 5, and 6, the conventional printed circuit board connecting apparatus includes a wire material 203 in which a core wire 201 is covered with an insulator, an insulating substrate 205 that forms a printed circuit board 204, and the insulating substrate 205. At least one exposed end of the core wire 201 is inserted from above the printed circuit board 204 into a connecting hole 207 provided in communication with a copper foil pattern (not shown) to be formed, and soldered to form a copper foil pattern. In a printed circuit board connection device including an electrically connected printed circuit board 204, a bottom portion 209 made of an insulating material and an insulating material, a hole 212 is provided in the bottom portion 209, and one end of the exposed core wire 201 is Inserted into the connecting hole 207 communicating with the insulating substrate 205 and the copper foil pattern from above the printed board 204 through the hole 212 in the bottom 209. The soldering is performed by the, by the bottom 209 and the side wall portion 211 is provided with a protective cover 213 for covering the exposed end of the core wire 201. (For example, refer to Patent Document 1).

However, in this case, the core wire 201 is hidden, but since the protective cover 213 is required, there is a problem that the number of parts increases and the cost increases.
Japanese Utility Model Publication No. 63-87782

  The present invention has been made in view of the above-described conventional problems, and can prevent the core wire from being exposed on the surface of the substrate without requiring a separate part, thereby reducing the cost. Since it is not exposed to the surface, the AC cord or the cord can be fixed to the substrate in a stable state and can be prevented from being disconnected, and the workability can be improved. The purpose is to provide a fixed structure.

  The present invention has been proposed in order to solve the above problems, and the device according to claim 1 is characterized in that the end of the AC cord is inserted into a hole provided in the substrate, and the back side of the substrate. In the fixing structure of the AC cord to the substrate, which is fixed to the substrate by soldering with an AC cord, the covering portion of the tip portion of the AC cord is inserted into the hole portion of the substrate, and the end portion is the substrate The end of the AC cord is bent and fixed to the back surface of the substrate by soldering.

  According to the second aspect of the present invention, the end of the cord is inserted into a hole provided in the substrate and soldered on the back side of the substrate to fix the cord to the substrate. In the fixing structure, the covering portion of the tip portion of the cord is inserted into the hole portion of the substrate, the end portion thereof is bent on the back surface side of the substrate, and the end portion of the cord is attached and fixed to the back surface of the substrate by soldering It is characterized by being configured.

  According to a third aspect of the present invention, in the device of the second aspect, the end portion of the cord is bent in a substantially L shape on the back surface side of the substrate, and the tip thereof is U-shaped along the back surface of the substrate. Alternatively, it is bent into a V shape, and the end including the tip of the cord is fixedly attached to the back surface of the substrate by soldering.

  According to the first aspect of the invention, since the covering portion of the tip portion of the AC cord is inserted into the hole portion of the substrate, it is possible to prevent the core wire from being exposed on the surface of the substrate, and to stabilize the AC cord. In this state, it can be fixed to the substrate and can be prevented from being disconnected, and workability can be improved. Further, since no separate parts are used, the cost can be reduced without increasing the number of parts. Furthermore, since the end portion of the AC cord is bent in a substantially L shape on the back surface side of the substrate and this end portion is attached and fixed to the back surface of the substrate by soldering, it is possible to make it difficult to remove the AC cord.

  According to the invention described in claim 2, since the covering portion of the tip portion of the cord is inserted into the hole portion of the substrate, the core wire can be prevented from being exposed on the surface of the substrate, and the cord is in a stable state. Can be fixed to the substrate and can be prevented from being disconnected, and workability can be improved. In addition, since no separate parts are used, the number of parts does not increase and the cost can be reduced.

  According to the third aspect of the invention, since the end portion of the cord is bent into a substantially L shape on the back side of the substrate and the tip thereof is bent into a U shape or a V shape, the cord is firmly fixed. It is possible to make it difficult to remove the cord.

  DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments of an AC cord fixing structure and a cord fixing structure according to the present invention will be described with reference to the drawings. In the following embodiments, an AC code will be described. However, the present invention is not limited to an AC code, but can be applied to other codes and codes such as lead wires.

  1A and 1B show a structure for fixing an AC cord to a substrate according to a first embodiment of the present invention. FIG. 1A is a perspective view thereof, and FIG. 1B is a sectional view thereof.

  As shown in FIGS. 1 (a) and 1 (b), the structure for fixing the AC cord to the substrate of the first embodiment is that the tip portion of the AC cord 2 is placed in the two holes 1a and 1a provided in the substrate 1. The covering portions 2a and 2a are inserted. The front end portion of the AC cord 2 is bent in a substantially L shape along the back surface of the substrate 1, and the core wires 2 b and 2 b are exposed at the end portion. The front end portion of the AC cord 2 along the back surface of the substrate 1 is soldered with solder 3 by hand soldering and is fixedly attached to the back surface of the substrate 1.

  Therefore, according to the second embodiment, since the covering portions 2a and 2a at the tip portion of the AC cord 2 are inserted into the holes 1a and 1a of the substrate 1, the core wires 2b and 2b are exposed on the surface of the substrate 1. Therefore, the AC cord 2 can be fixed to the substrate 1 in a stable state and can be prevented from being disconnected, and workability can be improved. In addition, since no separate parts are used, the number of parts is not increased and the cost can be reduced. Furthermore, since the end of the AC cord 2 is bent in a substantially L shape on the back side of the substrate 1 and this end is attached and fixed to the back surface of the substrate 1 by soldering, it is difficult to remove the AC cord 2. it can.

  FIG. 2 is a perspective view showing a structure for fixing an AC cord to a substrate according to the second embodiment.

  As shown in FIG. 2, the structure for fixing the AC cord to the substrate of the second embodiment is substantially L-shaped by inserting the covering portions 2a and 2a at the tip portion of the AC cord 2 into the holes 1a and 1a of the substrate 1, respectively. Further, the core wires 2 b and 2 b are exposed at the ends, and the tips 2 c and 2 c are bent in a U shape along the back surface of the substrate 1. Note that the ends 2c and 2c of the AC cord 2 may be bent in a V shape. The ends of the AC cord 2 including the tips 2c and 2c are fixedly attached to the substrate 1 by soldering to the back surface of the substrate 1.

  According to the second embodiment, the end portion of the AC cord 2 is bent into a substantially L shape on the back side of the substrate, and the tips 2c and 2c thereof are bent into a U shape or a V shape. It is possible to fix the AC cord 2 more firmly and to prevent the AC cord 2 from being pulled out.

  Needless to say, the ends 2c and 2c of the AC cord 2 are not limited to be bent in a U-shape or a V-shape, and may be bent in other shapes such as an arc shape.

1 shows a structure for fixing an AC cord to a substrate according to a first embodiment of the present invention, in which FIG. It is a perspective view which shows the fixation structure to the board | substrate of the AC cord of 2nd Embodiment. The conventional fixing structure to the board | substrate of AC cord is shown, (a) is the perspective view, (b) is the sectional drawing. It is a disassembled perspective view of the conventional printed circuit board connection apparatus. It is a perspective view of the state which assembled | attached the wire of the connection apparatus. It is a top view of the protective cover of the connection apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Board | substrate 1a Hole part 2 AC cord 2a Covering part 2b Core wire 2c Tip 3 Solder

Claims (3)

  In the structure of fixing the AC cord to the substrate, the end portion of the AC cord is inserted into a hole provided in the substrate and soldered on the back side of the substrate to fix the AC cord to the substrate. The covering portion of the tip portion of the cord is inserted into the hole portion of the substrate, the end portion thereof is bent into a substantially L shape on the back surface side of the substrate, and the end portion of the AC cord is fixed to the back surface of the substrate by soldering. A structure for fixing an AC cord to a substrate, characterized by being configured as described above.   In a structure for fixing a cord to a substrate, the end portion of the cord is fixed to the substrate by inserting an end portion of the cord into a hole provided in the substrate and soldering on the back side of the substrate. The covering portion is inserted into the hole portion of the substrate, the end portion thereof is bent on the back surface side of the substrate, and the end portion of the cord is attached and fixed to the back surface of the substrate by soldering. The structure to fix the cord to the board.   The end portion of the cord is bent in a substantially L shape on the back side of the substrate, and the tip thereof is bent in a U shape or a V shape along the back surface of the substrate, and the end portion including the tip end of the cord is formed. The structure for fixing a cord to a substrate according to claim 2, wherein the cord is fixedly attached to the back surface of the substrate by soldering.