JPH0745116A - Terminal board mounting structure for electric appliance and luminaire - Google Patents

Abstract

PURPOSE:To facilitate work of cable connection releasing by mounting a terminal board on a base so that the direction of work for releasing the connection of cable connection terminals of self-locking type provided on the terminal board, is inserted in an opening part. CONSTITUTION:When a luminaire is replaced, or when it is required to remove the luminaire, a globe is removed from a base 1. In the condition that the feeding line connected from the cable introduction holes 43, 44 of a terminal board 4 to a power source is drawn and the power source is cut, a screw loosening fitting fixed to the base body 1 is removed. To remove the feeding lines 51, 52 in the power source side from the self-locking type cable connection terminal, a long straight driver 6 is inserted into the release holes 48, 48 formed on the surface 47 of the terminal board 4, and the feeding line is drawn while a release button is pushed. In this structure of the terminal board 4, other members such as the cylindrical part 11 or the base 1 do not exist on a part opposed to the release hole 48, and it becomes possible that the driver 6 is inserted into the release hole 48 through an opening part 12.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention has a self-locking type wire connection terminal for supplying power to electric equipment such as lighting equipment, ventilation equipment and various detectors attached to a mounting surface such as a ceiling surface or a wall surface. Regarding the mounting structure of the terminal block.

[0002]

2. Description of the Related Art When installing lighting equipment, ventilation equipment, electric appliances such as fire and smoke detectors on ceilings and walls of stores, homes, offices, factories, etc., they are installed to supply power to these appliances. Electrically wired in the plane.

The electric wiring is led out to the outside of the mounting surface by penetrating the mounting surface to which the electric device is attached.

A lighting fixture whose mounting surface is mounted as a ceiling surface has a structure as shown in FIG. In FIG. 5, reference numeral 1 denotes a metal plate base body provided with a cylindrical portion 11 on the periphery and a substantially U-shaped socket base 2 at the center portion. The base body 1 is provided with screws (not shown) on the lower surface of the ceiling. ) Is attached through. Further, the lamp socket 3 is provided on the bottom plate portion 21 of the socket base 2, and the terminal block 4 is provided on the vertical side plate portion 22.
Is installed. Although not shown, a light bulb is attached to the lamp socket 3, and a glass globe is attached to the tubular portion 11. Furthermore, the socket base 2 and the lamp socket 3 are mounted so as to be located in the base body 1 on the bottom face 10 side of the opening 12 as much as possible so that the shadow is not reflected on the globe.

On the other hand, the terminal block 4 to which the electric wiring of this device is connected has a square box shape and has opposite sides 41,
42 (not visible) has a pair of wire introduction holes 43,
44 (only one side can be seen) is formed, and a self-locking type wire connection terminal (not shown) is locked by inserting the conductor wire portion with the insulation coating removed into the depths of the wire introduction holes 43, 44. .) Is provided and this connection provides electrical connection for both wires. In the case of FIG. 5, when the socket 3 and the terminal block 4 are attached to the socket base 2, the electric wires 53 and 54 to be connected to the socket 3 are already inserted and connected to the electric wire introduction holes (not visible) on the other surface side. A power supply line from a power source is connected to the wire introduction holes 43 and 44 on the one surface side. Further, there are release buttons (not shown) in the release holes 48 formed on the surface 47 of the terminal block 4, which is used when the power supply line on the power source side is disconnected from the self-locking type connection terminal. .

[0006] To attach such a lighting fixture, first, the substrate 1 having a substantially U-shaped socket base 2 provided at the center is attached to the lower surface of the ceiling by screwing or the like. Then, the power supply line from the power source, which is led out to the lower surface side of the ceiling, is inserted into the electric wire introduction holes 43 and 44 on the one surface side of the terminal block 4 and connected to the self-locking type connection terminal (not shown). Then, a light bulb is attached to the socket 3, and the globe is attached to the tubular portion 11.

When the electric wiring is mistakenly connected, when the lighting equipment is replaced, or when it becomes necessary to remove the equipment, the gloves are removed contrary to the above, and the terminal block is then removed. In the state in which the power supply line connected to the power supply is pulled out from the wire introduction holes 43 and 44 of 4 and the power supply is shut off, the screw fixing the substrate 1 is loosened and the device is removed. At this time, in order to disconnect the power supply line on the power supply side from the self-locking type wire connection terminal, the power supply line is pushed while pressing a release button (not shown) from the release holes 48 formed in the surface 47 of the terminal block 4. The driver 6 is used to press this button, and the shape of the release holes 48, 48 is-(minus) type or + (so as not to be inadvertently pressed in consideration of this point. Plus) form.

[0008]

However, in the case of the structure of the device as described above, the height of the socket base 2 is lower than the height of the tubular portion 11, and the terminal base 4 is of the tubular portion 11. Since the position is deep, the tip of the long straight driver 6 which is a jig can be aligned with the entrance of the release hole 48 as shown by the alternate long and short dash line in FIG. 5, but the middle portion of the driver 6 is a cylindrical portion. Since it comes into contact with the opening at the tip of 11 and cannot be inserted all the way in, the release button (not shown) cannot be pressed.

If this is forcibly advanced, the tubular portion 1
1 will be uneven or scratched, which may lead to the destruction of the terminal block 4.

In addition, in the instrument mounted on the ceiling surface, the entrance of the release hole 48 formed on the surface orthogonal to the ceiling surface is difficult to see, and the tip of the driver 6 is inserted into the release hole 48 at a high place. It was difficult to put in parts.

Further, it is possible to enlarge the interior space by enlarging the lighting equipment (globe) etc., but the size and shape are not selected according to the purpose of use and the effect, and the lighting equipment is not unconditionally determined. For example, since the lamp that serves as the light source is designed to be small, it is difficult to mount the terminal block in a narrow space.

The present invention has been made in consideration of the above circumstances, and in an illuminating device using a self-locking type electric wire connecting portion on a terminal block, an electric device having a structure capable of easily releasing the electric wire. The purpose is to provide.

[0013]

According to a first aspect of the present invention, there is provided a terminal block mounting structure for an electric appliance, comprising: a bottom surface; a base body having a cylindrical portion formed around the bottom surface and having an opening; And a self-locking type electric wire connecting terminal mounted so that the connection releasing operation direction is oblique to the bottom surface of the base body and the opening is inserted through the opening. It has a terminal block which has.

According to a second aspect of the present invention, there is provided a terminal block mounting structure for an electric appliance, which is provided on a bottom surface, a base body having a cylindrical portion around the bottom surface and having an opening, and a bottom surface of the base body. A component mounting fixture and a terminal block having a self-locking type electric wire connecting terminal attached to the opening with a surface of the component mounting fixture having a release hole inclined with respect to the bottom surface of the base body. It is characterized by being.

According to a third aspect of the present invention, in the terminal block mounting structure for an electric appliance, the virtual extension straight line of the release hole of the terminal block is inclined to the bottom surface side of the base without intersecting the tubular portion of the base. It is characterized by being done.

According to a fourth aspect of the present invention, there is provided a luminaire having a bottom surface, a base body having a cylindrical portion around the bottom surface and having an opening, a socket base provided on the bottom surface of the base body, and A terminal block having a self-locking type electric wire connection terminal mounted on the socket base so that the connection releasing operation direction is an oblique direction with respect to the bottom surface of the base body, and a socket mounted on the socket base. And a lamp mounted on the socket, and a light control body which covers the lamp and is locked to the base body.

The luminaire according to claim 5 of the present invention is characterized in that the terminal block is mounted at a position closer to the bottom surface than the end portion on the opening side of the tubular portion.

[0018]

[Function] Since the self-locking type electric wire connecting terminal provided on the terminal block is attached to the base body so that the connection releasing operation direction is inserted through the opening, the tip end of the straight driver can be attached to the terminal block. It can be passed through, and the work of releasing the wire connection becomes easy.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is applied to a lighting fixture will be described below with reference to FIGS. FIG. 1 is a partially sectional front view of a direct-mounted luminaire using an incandescent light bulb as a light source, FIG. 2 is a perspective view of a socket base which is a main part, and FIG. is there.

In the figure, reference numeral 1 designates a base body made of a metal plate in which a cylindrical tubular portion 11 is formed around a bottom surface 11 and is attached to a ceiling 7 with screws (not shown). Reference numeral 2 denotes a socket base formed by bending a metal plate attached to the central portion of the base body 1 with screws 16 and 16 or by forming a synthetic resin. As shown in the enlarged view of FIG. 2, the socket base 2 includes side plate portions 23 standing upright on the left and right sides of the bottom plate portion 21, side plate portions 22 inclined, and side plate portions 22 parallel to the bottom plate portion 21 from the side plate portions 22 and 23. Side upper plate portions 24, 25 that are formed by bending in one direction on one side
The socket 3 is attached to the lower surface of the bottom plate portion 21, and the terminal block 4 is attached to the inclined side plate portion 22. Reference numeral 12 is an opening formed by the tubular portion 11.

This terminal block 4 is the same as the above-mentioned conventional one, and has a pair of wire introduction holes 43, 44, 4 on both sides 41, 42 (not visible) facing each other in the shape of a rectangular box.
5, 46 are formed, and the wire introduction holes 43, 44, 4
A self-locking type wire connection terminal (not shown) that is locked by inserting a conductive wire portion from which the insulation coating has been removed is provided in the inner part of each of the wires 5, 46, and this connection terminal is an electric wire for both wires. Connection (electric wires between the electric wire introducing holes 43 and 45 and electric wires between the electric wire introducing holes 44 and 46). Although not shown in FIG. 2, when the socket 3 and the terminal block 4 are attached to the socket base 2, the wire introduction hole 4 on the other surface side 42
Electric wires 53 and 54, which are connected to the socket 3, are inserted and connected to 5 and 46, respectively. Then, the electric wire introduction hole 43 on the one surface side,
The power supply lines 51 and 52 from a power source are connected to 44.

Further, the surface 47 of the terminal block 4 has release holes 48, 48 formed in a negative (-) shape when viewed from the front.
And a release button (not shown) is provided in the release holes 48, 48, which is used when the power supply lines 51, 52 on the power source side are disconnected from the self-locking type connection terminal. To be done.

Therefore, since the terminal block 4 is attached to the inclined side plate portion 22, the surface 47 of the terminal block 4 is directed obliquely downward with respect to the vertical axis of the instrument, and the hole path formed by the release holes 48, 48 is formed. The cylindrical portion 11 of the base body 1 is not faced on the straight line extending the
Is in a position visible through the opening 12.

Further, 8 is a light bulb attached to the socket 3,
Reference numeral 9 is a glass globe in which an opening is attached to a tubular portion 11 around the base 1. The globe 9 is the above-mentioned tubular portion 1
1 and the shoulder of the globe 9 and the tip end thereof is supported by the base body 1 by being locked by the spring material 96 hooked on the stepped portion 91 near the opening. In FIG. 1, 5 is a power supply line, 13 and 71 are power supply line insertion holes for inserting the power supply line 5, 26 in FIG. 2 is a screw hole used for attaching the socket base 2 to the base 1, 27
The electric wire 53, 54 from the other side 42 to the lamp socket 3
A wire insertion hole that leads to the
Is an attachment hole for attaching the terminal block 4 to the side plate portion 22.

Next, attachment of the thus constructed lighting fixture to the ceiling surface will be described. The power supply line 5 from the power supply is led out through the power supply line insertion hole 71 on the lower surface side of the ceiling 7 to which the lighting fixture is attached. First, the substrate 1 is taken up and the substrate 1
The power feed line 5 is passed through the power feed line insertion hole 13 in the central portion, and the base 1 is attached to the lower surface of the ceiling 7 by screwing or the like (not shown). (At this time, the electric wire 5 already inserted into the electric wire introducing holes 45, 46 on the other surface side 42 of the terminal block 4
Reference numerals 3 and 54 are connected to the lamp socket 3. ) Next, the end portions 51 and 52 of the power supply line 5 from which the insulating coating is peeled off and the conductor portions are exposed are inserted into the wire introduction holes 43 and 44 of the one surface side 41 of the terminal block 4 to form a self-locking connection terminal. (Not shown) and connect.

Then, the light bulb 8 is attached to the socket 3, and the globe 9 is pushed in and attached to the tubular portion 11.

When the electric wiring is mistakenly connected, when the lighting equipment is replaced, or when it becomes necessary to remove the equipment, the globe 9 is pushed down by the spring member 91, contrary to the above. By doing so, the locking is released and the globe 9 is removed from the base 1. (The bulb 8 may be removed later.) Next, the power supply lines 51 and 52 connected to the power source are pulled out from the wire introduction holes 43 and 44 of the terminal block 4 and the power source is shut off, and the base 1 is fixed. Loosen the screw and remove the device.

At this time, in order to disconnect the power supply wires 51 and 52 from the power supply side from the self-locking type wire connection terminal, the linear long holes that are commonly used in the release holes 48 and 48 formed in the surface 47 of the terminal block 4 are used. This is done by inserting a simple driver 6 and pulling out the power supply lines 51 and 52 while pressing a release button (not shown).

In the terminal block 4 structure according to the present invention, there is no other member such as the cylindrical portion 11 of the base body 1 in the portion directly facing the release hole 48, and the release hole 48 is inserted through the opening 12. A straight long driver 6 can be inserted, and a release button (not shown) can be pressed with the driver 6.

Therefore, the work of releasing the connection of the lighting equipment can be facilitated, the work efficiency can be improved, and no special tool is required.

The present invention is not limited to the above embodiment. For example, in the above embodiment, the lighting fixture for lighting the light bulb has been described, but the present invention is not limited to this, and may be a lighting fixture for lighting other types of light source lamps such as a fluorescent lamp, or a lighting fixture of direct ceiling type. However, it may be attached to a wall surface.

Further, although the present invention has been described with respect to the lighting equipment, the present invention is not limited to this, and is suitable for mounting electric equipment such as various indoor detection devices and ventilation devices, and the terminal block is a socket base in the case of lighting equipment. However, in the case of other instruments, it may be attached to a component mounting tool that stands from the bottom surface of the base.

Further, in the above embodiment of the present invention, the terminal base is attached by forming the inclined surface on the socket base. However, the means for tilting the terminal base is not limited to that of the embodiment, but may be a frame or a lump. It is also possible to form the slanted portion with or to form the slanted portion on the vertical wall body through a triangular object when there is an extra space inside.

Further, according to the present invention, as shown in FIG. 4, the central axis AA line of the terminal block 4 is inclined like the line BB, that is, the surface on which the release holes 48 are formed is rotated. The electric wire introducing holes 43 and 44 into which the power supply line 5 is inserted may be directed toward the opening 12 to facilitate the insertion of the power supply line 5.

Further, the shape of the release holes 48, 48 is-
The shape is not limited to the (minus) shape, and may be a + (plus) shape or a shape corresponding to both.

Furthermore, in the above-mentioned embodiment, the glass globe is used as the lighting equipment, but not limited to the globe, it may be a light control body such as a shade opened at the bottom, and its material, shape, locking structure, etc. It is not limited to the example.

[0037]

As described in detail above, according to the present invention, the self-locking type electric wire connecting terminal provided on the terminal block is attached to the base body so that the connection releasing operation direction passes through the opening. Therefore, the tip of a straight driver can be passed through this terminal block, which facilitates the work of releasing the wire connection.

Therefore, when the electric wiring is erroneously connected, or when the electric equipment is replaced or the inspection is disassembled and repaired, the work of releasing the connection can be facilitated and the work efficiency can be improved.

If such a terminal block mounting structure is used for a lighting fixture, the internal space of the base can be increased without increasing the internal space of the base.
It is possible to easily remove the wiring from the lighting fixture so that the shadow of the socket stand etc. is not reflected on the glove surface.

[Brief description of drawings]

FIG. 1 is a partially sectional front view of a lighting fixture showing an embodiment of the present invention.

FIG. 2 is an enlarged perspective view of a socket base provided with a terminal base in the lighting equipment of FIG.

3 is an explanatory diagram showing a relationship between a release hole of a terminal block and a driver in the lighting fixture of FIG. 1. FIG.

FIG. 4 is a side view showing a mounting relationship between a socket base and a terminal base in another embodiment of the present invention.

FIG. 5 is an explanatory diagram showing a relationship between a release hole of a terminal block and a driver in a conventional lighting fixture.

[Explanation of symbols]

 1: Substrate 10: Bottom surface 11: Cylindrical part 12: Opening part 2: Component mounting tool (socket block) 22, 23: Side plate part 3: Lamp socket 4: Terminal block 43, 44, 45, 46: Electric wire introducing hole 47 : Surface 48: Release hole 5, 51, 52: Power supply line 53, 54: Electric wire 6: Driver 7: Ceiling surface 8: Lamp (incandescent light bulb)

Claims (5)

[Claims] 1. A bottom surface, a base body having an opening formed by forming a cylindrical portion around the bottom surface, a component mounting tool provided on the bottom surface of the base body, and a connection releasing operation direction of the component mounting tool as described above. A terminal block mounting structure for an electric appliance, comprising: a terminal block having a self-locking type electric wire connecting terminal that is mounted so as to be inserted obliquely to a bottom surface of a base body. 2. A bottom surface, a base body having an opening formed by forming a cylindrical portion around the bottom surface, a component mounting tool provided on the bottom surface of the base body, and a surface having a release hole in the component mounting tool. A terminal block mounting structure for an electric appliance, comprising: a terminal block having a self-locking type electric wire connection terminal that is inclined with respect to the bottom surface of the base body and is mounted toward the opening. 3. The electric appliance according to claim 2, wherein the virtual extension straight line of the release passage of the terminal block is inclined toward the bottom surface side of the base without intersecting with the tubular portion of the base. Terminal block mounting structure. 4. A bottom surface, a base body having a cylindrical portion formed around the bottom surface and having an opening, a socket base provided on the bottom surface of the base base, and a connection releasing operation direction of the socket base on the base base. A terminal block having a self-locking type electric wire connection terminal attached so as to pass through the opening in an oblique direction with respect to the bottom surface, a socket attached to the socket block, and a lamp attached to the socket, A lighting fixture comprising: a light control body which covers the lamp and is locked to the base body. 5. The luminaire according to claim 4, wherein the terminal block is mounted at a position closer to the bottom surface than an end portion on the opening side of the tubular portion.