JPH0290481A - Connector device - Google Patents

Abstract

PURPOSE:To enable a connector to be connected to a printed board no matter from which face of the board it is connected by providing conductive supporting edges within the opening of the board. CONSTITUTION:A pair of conductive supporting edges 2 and a housing 3 are disposed within an opening 6 provided through a printed board 1. Each of the supporting edges 2 is formed by bending one sheet of metal and consists of a horizontal piece portion 2a and upper and lower protruding piece portions 2b, 2c; the horizontal piece 2a is disposed on the parts-mounting face of the board 1 while its bent piece portion 2d at one end is inserted into the corresponding one of the holes 8 of the board 1 and is soldered to conductive foils on the reverse face of the board. At the center portion 3a of the housing 3 rectangular guiding walls 3b, 3c into which a connector 4 can be inserted are protrusively formed on the respective upper and lower faces of the housing; the housing 3 is then fitted into the opening 6 and fixed at the edge of its center portion 3a on the surface of the board 1. The center plate 3a is provided with slits 3d each of which allows the upper protruding piece portion 2b of each of the supporting edges 2 to pass therethrough. Then the connector 4 is inserted into the guiding wall 3b of the housing 3 from the upper face of the board 1 and is then connected to the upper protruding piece portion 2b of each of the supporting edges 2.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a connector device used for lighting equipment and various other electrical devices.

[Conventional technology]

Conventionally, when connecting a conductive foil of a printed circuit board to a power supply or other power supply components, a connector device 60 shown in FIG. 16 or a connector device 60' shown in FIG. 17 has been used.

A connector device 60 shown in FIG. 16 has pins 62 made of a conductor protruding from the surface (component mounting surface) of a printed circuit board 61, and a connector 63 is inserted and connected from the surface.

64 is a lead wire.

A connector device 60' shown in FIG. 17 is provided with a pin 65 bent at a right angle, and a connector 63 is inserted and connected from the side of the surface.

[Problems to be Solved by the Invention] In electrical equipment such as lighting equipment, there are some types in which the lead wires are drawn out from the front surface of the printed circuit board, and some types in which the lead wires are drawn out from the back side.

However, the connector device 60 of FIGS.
．． 60' is a connector 63 from the back side of the printed circuit board 61.
cannot be connected. If the pins 62 and 65 are protruded from the back side of the printed circuit board 61, connection can be made from the back side, but in that case, connection from the front side cannot be made.

Therefore, it is necessary to manufacture two types of printed circuit boards 61: one with a connector device 60.60' on the front side and one with a connector device 60.60' on the back side, which increases the number of component types. Productivity decreases.

In some cases, it is possible to route the lead wire 64 from the connector 63 on the front surface of the printed circuit board 610 to the back surface, but doing so reduces work efficiency and makes automatic assembly difficult, and also increases the length of the lead wire 64. It becomes necessary.

An object of the present invention is to provide a connector device that can connect a connector from either the front or back side of a printed circuit board.

[Means to solve the problem]

In the connector device according to claims (1) to 4) of the present invention, a printed circuit board has an opening, and a conductive receiving blade connected to a conductive foil of the printed circuit board and into which a connector is inserted and connected is provided in the opening. It is something.

In the connector device according to claim (2), the conductive receiving blade includes a horizontal piece projecting from the printed circuit board into the opening, and a front protruding piece projecting from the tip of the horizontal piece from the front and back sides with respect to the printed circuit board. and a front protruding piece. Further, a housing that covers the conductive receiving blade and guides the connector to the conductive receiving blade in a freely insertable/removable manner is fixed to the printed circuit board.

In the connector device of claim (3), a fixed connector is fixed near the opening of the printed circuit board. The conductive receiving blade is cross-shaped, and its horizontal piece is inserted and connected to the fixed connector. Further, a housing that covers the conductive receiving blade and guides the connector to the conductive receiving blade in a freely insertable/removable manner is fixed to the printed circuit board.

In the connector device of claim (4), the conductive receiving blade straddles the opening of the printed circuit board, and both ends thereof are connected to the conductive foil of the printed circuit board.

[Effect]

In each of the connector devices according to claims (1) to 4), since the conductive receiving blade is provided in the opening of the printed circuit board, the connector can be inserted into the opening, or the conductive receiving blade can be placed on both the front and back sides of the printed circuit board. The connector and the conductive receiving blade can be connected by protruding. Therefore, the connector can be connected from either the front or back side of the printed circuit board.

The connector device according to claim (2) connects the front protruding piece portion or the front protruding piece portion of the conductive receiving blade to the connector by inserting the connector into the housing fixed to the printed circuit board from the front or back side of the printed circuit board. Can be done.

In the connector device of claim (3), the connector can be connected to the remaining three pieces of the cross-shaped conductive receiving blade that are not connected to the fixed connector. Since the conductive receiving blade is inserted and connected to the fixed connector, the conductive receiving blade can be freely attached when assembling an electrical device equipped with this connector device.

In the connector device according to claim (4), the connector is directly connected to the front and back sides of the printed circuit board from which the conductive receiving blade protrudes, and the connector is inserted into the opening of the printed circuit board and connected to the conductive receiving blade on the other side. do. Since the conductive blade is fixed at both ends, the fixing strength of the conductive blade is strong. Therefore, a housing for supporting the connector is not required.

[Embodiment] An embodiment of the present invention will be described with reference to FIGS. 1 to 3. This embodiment corresponds to claim (2).

An opening 6 is provided in the printed circuit board 1, and a pair of conductive receiving blades 2 and a housing 3 are arranged within the opening 6. 4 is a connector. The conductive receiving blade 2 is formed by bending a single metal plate, and consists of a horizontal piece 2a, a front protruding piece 2b and a front protruding piece 2c protruding from the tip thereof. The horizontal piece 2a is arranged on the component mounting surface of the printed circuit board 1, and the bent piece 2d at the base end is inserted into the hole 8 of the printed circuit board 1 and connected to the conductive foil on the back surface by soldering.

The housing 3 has rectangular cylindrical guide walls 3b and 3c protruding from both sides of a center plate 3a into which the connector 4 can be inserted. is fixed to the surface of the printed circuit board 1. Center plate 3a
A slit 3d is provided in the front protruding piece 2b of the conductive receiving blade 2.
Insert.

The connector 4 has a contact conductor 7 connected to a lead wire 5 inserted into a hole 4b of the connector body 4, as shown in FIG.

According to this configuration, as shown in FIG. 1, the connector 4 can be inserted into the guide wall 3b of the housing 3 from the surface of the printed circuit board 1 and connected to the front protruding piece 2b of the conductive receiving blade 2. Also, from the back side of the printed circuit board 1 to the housing 3
It can be inserted into the guide wall 3c and connected to the front protruding piece 2C of the conductive receiving blade 2.

In this way, since the connector 4 can be connected from either the front or back side of the printed circuit board 1, the same printed circuit board can be used for electrical equipment that requires the lead wires 5 to be drawn out from either the front or back side of the printed circuit board 1. 1 can handle it. Therefore, the number of types of printed circuit boards 1 can be reduced, which is advantageous for parts management and automation. Connector 4 is printed circuit board 1
Since it is inserted into the housing 3 fixed to the housing 3, it can be held securely.

4 and 5 show an example of the connector device according to claim (3). In this example, the conductive receiving blade 12 is shaped like a cross plate, and the horizontal piece is inserted into the fixed connector 19 for connection. The conductive receiving blade 12 is covered with a housing 13. A connector 14 is connected to the remaining one horizontal piece and two vertical pieces of the conductive receiving blade 12. The fixed connector 19 has a pair of contact conductors 17 made of leaf springs as shown in FIG. Solder connection to the conductive foil 1a. The case portion of the fixed connector 19 has an open top surface and a cutout groove 19a for inserting a conductive blade on the side surface. The housing 13 has a rectangular cylindrical guide wall 13 into which the connector 4 can be inserted.
b and 13c protrude from both sides of the center plate 13a, and are fitted into the opening 6 of the printed circuit board l and fixed to the surface of the printed circuit board 1 through the fixing hole 13f at the edge of the center plate 3a. . A slit 13d is provided in the center plate 13a, through which the vertical piece on the front side of the conductive receiving blade 2 is inserted. Further, a cutout groove 13e is provided in the front guide wall 13b, through which the horizontal piece of the conductive receiving blade 12 is inserted. Connector 14 has a similar construction to connector 4 in FIG.

In the case of this configuration, as shown in FIG. 4, the connector 14 can be inserted into the housing 13 from both the front and back sides of the printed circuit board 1 and connected to the conductive blade 12, and the horizontal piece of the conductive blade 12 can be connected from the side on the front side. A connector 14 can be connected to the section.

6 to 1-2 show an embodiment corresponding to claim (4). In this example, the conductive receiving blade 22 is connected to the printed circuit board 1.
The leg portions 22d at both ends of the conductive receiving blade 22 are inserted into the holes 28 of the printed circuit board 1 and connected to the conductive foil on the back surface of the printed circuit board 1 by soldering. Connector 2
4 is a leaf spring-shaped contact conductor 27 connected to the lead wire 25;
is housed in the case part, and the case part has a notch groove 24.
b is provided.

Figure 9 shows the fixture body 4 of the lighting fixture on the back side of the printed circuit board 1.
1 are provided adjacent to each other, and an opening 16 for inserting the connector 24 is provided in the main body 41 of the instrument.

In the case of this configuration, as shown in FIGS. 9 to 11,
The connector 24 can be inserted into the printed circuit board 1 and the opening 6.16 of the instrument body 41 to connect the connector 24 to the conductive receiving blade 22 from the back side of the printed circuit board 1. The conductive receiving blade 22 fits into the notch groove 24b of the connector 24. Further, as shown in FIG. 12, the connector 24 can also be connected to the conductive receiving blade 22 from the front side of the printed circuit board 1.

In this case, the tip of the connector 24 fits into the opening 6 of the printed circuit board 1.

In this configuration, since the conductive receiving blade 22 is fixed at both ends, the fixing strength of the conductive receiving blade 22 is strong. Therefore, the connector 24
No supporting housing is required, and the structure is simple. Even when the connector 24 is connected from the back side of the printed circuit board 1, its tip is fitted into the opening 6 of the printed circuit board 1, so that the connector 24 can be supported even more reliably.

FIG. 14 shows a lighting fixture equipped with the connector device of the same embodiment. The printed circuit board 1 is installed on the device main body 41 via an insulating plate 42 and covered with a reflective plate 44. Instrument body 41
A lamp socket 43 and a lamp support spring (not shown) are fixed to the lamp socket 43, and a round fluorescent lamp is installed. Insulating board 2
6 is an opening 26 that aligns with the opening 16 of the instrument body 41;
is provided, and the opening 1 of the instrument body 41 and the insulating plate 42
Connector 24 is inserted from 626 and connected to conductive receiving blade 22 of printed circuit board 1.

FIG. 7 shows an example of the process of forming the opening 6 of the printed circuit board 1. As shown in FIG. A cut 1c is formed in the printed circuit board 6 along the periphery of the portion that will become the opening 6, and a perforation 1d is provided in a portion. This leaves an unremoved portion 1e in the opening 6. In the unremoved portion 1e, the soldering of the leg piece 22d of the conductive receiving blade 22 to the conductive foil will be removed later along the perforation portion 1d.

By providing the unremoved portion 1e in this way, the following effects can be obtained. That is, the conductive receiving blade 22
The back side of the electronic component is immersed in a solder bath along with other electronic components, but if the opening 6 is open as shown in FIG. 8, flux will adhere to the lower surface 22a of the conductive receiving blade 22. . 30 is molten solder. Such adhesion of flux can be prevented in the unremoved portion 1e.

In place of the conductive receiving blade 22 of the embodiment shown in FIG. 6, FIG.
A conductive receiving blade 42 having a side-extending piece 42a is provided. In this configuration, the connector 24 can be connected not only from the front and back surfaces of the printed circuit board 1 but also from the side surface. Other structural effects are similar to the embodiment shown in FIG.

FIG. 15 shows still another embodiment of the invention of claim (4). In this example, the conductive receiving blade 32 is made of wire. Therefore, the configuration is even simpler. Other structural effects are similar to the embodiment shown in FIG.

〔Effect of the invention〕

In each of the connector devices according to claims (1) to 4), since the conductive receiving blade is provided in the opening of the printed circuit board, the connector can be inserted into the opening, or the conductive receiving blade can be placed on both the front and back sides of the printed circuit board. The connector and the conductive receiving blade can be connected by protruding, and the connector can be connected from either the front or back side of the printed circuit board. Therefore, the same printed circuit board can be used for electrical equipment that requires a single wire to be drawn out from both the front and back sides of the printed circuit board, and the number of types of printed circuit boards can be reduced, which is advantageous for parts management and automation.

In the connector device of claim (2), since the connector is inserted into the housing fixed to the printed circuit board, the connector can be firmly supported.

Since the connector device of claim (3) connects the conductive receiving blade by inserting it into the fixed connector, the conductive receiving blade can be freely attached when assembling an electrical device equipped with this connector device. Therefore, it is possible to eliminate the problem that the conductive receiving blades protruding from the front and back sides interfere with handling of the printed circuit board.

In the connector device of claim (4), since the conductive receiving blade is fixed at both ends, the fixing strength of the conductive receiving blade is strong. Therefore, there is no need for a housing for supporting the connector, which has the effect of simplifying the structure.

[Brief explanation of drawings]

FIG. 1 is a sectional view of an embodiment of the present invention, FIG. 2 is an exploded perspective view thereof, and FIG. 3 is an exploded perspective view of the connector.
Fig. 4 is a sectional view of another embodiment, Fig. 5 is an exploded perspective view thereof, Fig. 6 is an exploded perspective view of still another embodiment, Fig. 7 is a perspective view of its manufacturing process, and Fig. 8 is an exploded perspective view of the other embodiment. A sectional view showing problems in the manufacturing process, FIGS. 9 to 11 are a broken side view, a broken front view, and a bottom view of the connected state of the connector and the conductive receiving blade, respectively, and FIG. 12 is the same. 13 is a sectional view of another embodiment, FIG. 14 is an exploded perspective view of a lighting fixture equipped with the connector device of FIG. 6, and FIG. 15 is another embodiment. FIG. 16 is a perspective view of the conventional example, FIG. 17 is a perspective view of another conventional example, and FIG. 18 is a side view thereof. 1... Printed circuit board, 2... Conductive receiving blade, 2a...
Horizontal piece part, 2b... Front protruding piece part, 2c... Front protruding piece part, 3... Housing, 4... Connector, 5... Lead wire, 6... Opening part, 12, 22.32... Conductive receiving blade, 13... Housing, 14.24... Connector, 19... Fixed connector

Claims (4)

[Claims] (1) A connector device in which a printed circuit board has an opening, and a conductive receiving blade connected to a conductive foil of the printed circuit board and into which a connector is inserted and connected is provided in the opening. (2) The conductive receiving blade has a horizontal piece portion that projects from the printed circuit board into the opening, and a front protruding piece portion and a front protruding piece portion that protrude from the tip of the horizontal piece portion to the front and back sides of the printed circuit board. 2. The connector device according to claim 1, further comprising a housing fixed to said printed circuit board, said housing covering said conductive receiving blade and guiding said connector to said conductive receiving blade in a freely insertable and removable manner. (3) A fixed connector is fixed near the opening of the printed circuit board, and the conductive receiving blade is connected by inserting the horizontal piece into the fixed connector, and the vertical piece has a cross shape with the vertical piece protruding from the front and back of the printed circuit board. 2. The connector device according to claim 1, further comprising a housing fixed to the printed circuit board, which covers the conductive receiving blade and guides the connector to the conductive receiving blade in a freely insertable and removable manner. (4) Claim (1) wherein the conductive receiving blade straddles the opening and has both ends connected to the conductive foil of the printed circuit board.
) described connector device.