JP2013025994A - Socket and lighting fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a socket capable of simplifying mounting work, and a lighting fixture.SOLUTION: The socket 10 includes an approximately U-shaped lamp drop preventive member 14 crossing at right angles with a longitudinal direction of a straight tube lamp 57 and being rotatable around a support shaft 17 crossing at right angles with the longitudinal direction of the straight tube lamp 57; and a holding means 15 for holding positions of the lamp drop preventive member 14. The holding means 15 can select a first position wherein the lamp drop preventive member 14 does not interfere with attaching and detaching of the straight tube lamp 57, and a second position wherein the lamp drop preventive member 14 interferes with the attaching and detaching of the straight tube lamp 57. The lighting fixture 50 uses the socket 10.

Description

  The present invention relates to a socket and a lighting fixture to which a base of a straight tube lamp can be connected.

2. Description of the Related Art Conventionally, there are known a socket and a lighting fixture in which a lamp fall prevention member is attached in the vicinity of a support spring that sandwiches a side face of a base of a seamless type straight tube lamp with a straight tube lamp mounted (for example, a patent) Reference 1).
In Patent Document 1, the lamp fall prevention member is provided so as to be rotatable about the attachment location of the support spring and straddle the lower surface of the straight tube lamp.
Patent Document 1 prevents the straight tube lamp from falling out of the socket and falling by attaching the straight tube lamp after the operator has rotated the lamp fall prevention member to a position where it does not interfere when the lamp is mounted.

JP 2009-4189 A (FIG. 1, claim 1)

Patent Document 1 can prevent the lamp fall prevention member from being trapped between the cover and the instrument body.
However, in Patent Document 1, the lamp fall prevention member only hangs down by its own weight, and the position cannot be fixed.
In Patent Document 1, for example, when the lamp drop prevention member hangs down on the mounting trajectory of the straight tube lamp, the lamp drop prevention member may be pushed up by the peripheral surface of the straight tube lamp when the lamp is mounted.
In Patent Document 1, in order to prevent this, it is necessary for the operator to perform the work while rotating the lamp fall prevention member to a position where the lamp does not interfere when the lamp is mounted.
Therefore, in Patent Document 1, the installation work is complicated.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a socket and a lighting fixture that can simplify the mounting operation.

  The socket according to the present invention includes a main body to which a base of a straight tube lamp can be connected, a pair of side surfaces of the main body that are orthogonal to the longitudinal direction of the straight tube lamp and facing opposite sides of the main body lamp, and the straight tube lamp. A substantially U-shaped lamp drop prevention member rotatable about a spindle orthogonal to the longitudinal direction of the tube lamp, and holding means for holding the position of the lamp drop prevention member with respect to the main body, The holding means includes a first position where the lamp drop prevention member does not interfere with the attachment / detachment of the straight tube lamp with respect to the main body, and a second position where the lamp drop prevention member interferes with the attachment / detachment of the straight tube lamp with respect to the main body. Selectable.

  The socket according to the present invention has a protrusion that divides the first position and the second position on the side surface of the main body, and the protrusion protrudes from the first position toward the second position. And a second inclined surface that climbs from the second position toward the first position.

  In the socket according to the present invention, the second inclination angle of the second inclined surface with respect to the side surface is larger than the first inclination angle of the first inclined surface with respect to the side surface.

  In the socket according to the present invention, the support shaft can be inserted into insertion holes provided in the respective side surfaces at both ends in the continuous direction of the lamp drop prevention member, and the tip is bent inside the main body. .

  The socket according to the present invention has an auxiliary member connected to the lamp fall prevention member, and the auxiliary member is connected to the main body when the lamp fall prevention member is held at the first position. It is arranged on the connection trajectory of the tube lamp.

  The lighting fixture according to the present invention is provided with any of the sockets described above.

  According to the socket and the lighting fixture according to the present invention, there is an effect that the mounting operation can be simplified.

The exploded perspective view of the socket and lighting fixture of a 1st embodiment concerning the present invention. The external appearance perspective view seen from diagonally downward before the attachment of the lamp | ramp fall prevention member in the lighting fixture of 1st Embodiment which concerns on this invention The horizontal sectional view of the holding means in the lighting fixture of 1st Embodiment concerning this invention The horizontal sectional view of the side board in the lighting fixture of a 1st embodiment concerning the present invention. The external appearance perspective view seen from diagonally downward in the 1st position of the lamp fall prevention member in the lighting fixture of 1st Embodiment which concerns on this invention. The side view in the 1st position of the lamp fall prevention member in the lighting fixture of 1st Embodiment which concerns on this invention. The external appearance perspective view seen from diagonally downward in the 2nd position of the lamp fall prevention member in the lighting fixture of 1st Embodiment which concerns on this invention. The side view in the 1st position of the lamp fall prevention member in the lighting fixture of 1st Embodiment which concerns on this invention. The horizontal sectional view of the holding means in the 1st position of the lamp fall prevention member in the lighting fixture of 1st Embodiment which concerns on this invention. The external appearance perspective view seen from diagonally downward in the 1st position of the lamp fall prevention member in the lighting fixture of 2nd Embodiment which concerns on this invention. The side view in the 1st position of the lamp fall prevention member in the lighting fixture of 2nd Embodiment which concerns on this invention. The external appearance perspective view seen from diagonally downward in the 2nd position of the lamp fall prevention member in the lighting fixture of 2nd Embodiment which concerns on this invention. The side view in the 2nd position of the lamp fall prevention member in the lighting fixture of 2nd Embodiment which concerns on this invention.

Hereinafter, sockets and lighting fixtures according to a plurality of embodiments of the present invention will be described with reference to the drawings.
(First embodiment)
As shown in FIG. 1, the luminaire 50 equipped with the socket 10 of the first embodiment according to the present invention has a pair of power feeding via the socket base 52 to the existing reflector 51 already installed on the ceiling surface 1. The side socket 10 is attached.
Further, the lighting fixture 50 has a pair of ground-side sockets 10 attached to the existing reflector 51 via the socket base 53, and is disposed in the vicinity of the power supply unit 54 attached to the existing reflector 51 and the power supply unit 54. And a power terminal block 55.

A power supply line 5 drawn from the ceiling surface 1 is electrically connected to the power supply terminal block 55 and a power supply unit 54 is electrically connected to the power supply unit 54. A power supply side socket 10 and a ground side socket 10 are connected to the power supply unit 54. Electrically connected.
The luminaire 50 includes a pair of direct connections that are mechanically and electrically connected to the reflection plate 56 covered from below on the existing reflection plate 51, the pair of power supply side sockets 10, and the pair of grounding side sockets 10. A tube-type LED lamp 57;
The luminaire 50 is a renewal type in which the reflector 56 is newly attached to the existing reflector 51 and used.

The existing reflector 51 is installed in the ceiling surface 1 in advance by the nut 4 being screwed through the washer 3 after the bolt hole 58 is inserted into the mounting bolt 2 protruding downward from the ceiling surface 1. ing.
The reflection plate 56 is formed of a thin plate member, has a reflection surface 59 on the floor surface side, and is accommodated in the existing reflection plate 51. The reflection plate 56 has two pairs of socket insertion holes 60 through which the power supply side socket 10 and the ground side socket 10 are inserted.

The straight tube type LED lamp 57 has a power supply side cap pin 63 electrically connected to the power supply side socket 10 in a base 62 at one end of a glass tube 61 having a substantially circular cross section.
The straight tube type LED lamp 57 has a ground-side base pin 65 electrically connected to the ground-side socket 10 at the base 64 at the other end of the glass tube 61.
The straight tube type LED lamp 57 incorporates an LED unit (not shown) having an LED substrate (not shown) in which a plurality of LEDs (not shown) are sealed in the glass tube 61 in the longitudinal direction.

In the straight tube type LED lamp 57, a DC current fed from the power supply side socket 10 flows from the power supply side base pin 63 to the ground side socket 10 through the ground side base pin 65.
In the straight tube type LED lamp 57, a direct current is supplied to a printed circuit (not shown) provided on the LED substrate, and the LED emits light.
In the straight tube type LED lamp 57, the irradiation range toward the irradiation target is 1/2 to 2/3 with respect to the entire circumference.

Next, the detailed structure of the socket 10 will be described.
As shown in FIG. 2, the socket 10 includes a main body 11 to which a base pin 63 (base pin 65) of a straight tube type LED lamp 57 is inserted and can be connected.
The socket 10 includes a lamp drop prevention member 14 disposed along the side surfaces 13 of the pair of side plates 12 that are orthogonal to the longitudinal direction of the straight tube type LED lamp 57 and face the opposite sides of the main body 11.

The socket 10 includes holding means 15 that holds the position of the lamp drop prevention member 14 with respect to the main body 11 on the side surfaces 13 of the pair of side plates 12 of the main body 11.
The lamp drop prevention member 14 has a U-shaped portion 16 formed in a substantially U shape by a rod-shaped member having a slight elastic repulsive force, and is connected to both ends of the U-shaped portion 16 to be a straight tube type LED. It rotates about a support shaft 17 orthogonal to the longitudinal direction of the lamp 57.
The lamp fall prevention member 14 has a support shaft 17 that can be inserted into an insertion hole 18 that constitutes the holding means 15 provided on each side surface 13, and the tip of the support shaft 17 has a side plate 12 of the main body 11 of the socket 10. It has the bending part 19 bent in the inner side.

As shown in FIG. 3, the holding means 15 is formed in a concave shape on the side plate 13, and the first position A <b> 1 where the lamp drop prevention member 14 does not interfere with the attachment / detachment of the straight tube type LED lamp 57 to the main body 11 can be selected. is there.
The holding means 15 can select the second position A2 along with the first position A1 where the lamp drop preventing member 14 interferes with the attachment / detachment of the straight tube LED lamp 57 to the main body 11.
The holding means 15 has a protrusion 20 that divides the lamp fall prevention member 14 into the first position A1 and the second position A2 on the side surface 13 of the main body 11.

The protrusion 20 has a first inclined surface 21 that rises from the first position A1 toward the second position A2, and a second inclined surface 22 that rises from the second position A2 toward the first position A1. Is provided.
The protrusion 20 has a second inclination angle θ2 of the second inclined surface 22 with respect to the side surface 13 larger than a first inclination angle θ1 of the first inclined surface 21 with respect to the side surface 13.

The lamp drop prevention member 14 is held at the second position A2 without overcoming the second inclined surface 22 with the load generated when the straight tube LED lamp 57 is dropped at the second position A2. The lamp 57 is held so as not to fall.
When the straight tube type LED lamp 57 is exchanged, the lamp drop prevention member 14 gets over the second inclined surface 22 and is rotated from the second position A2 to the first position A1 when pressed by a human operating force. Therefore, the lamp can be replaced at the first position A1.

In the socket 10, an interlock mechanism (not shown) is connected to the support shaft 17 of the lamp fall prevention member 14. This interlock mechanism is locked when the straight tube type LED lamp 57 is removed from the socket 10.
When the interlock mechanism is locked, the supply of power to the socket 10 is interrupted.
The interlock mechanism is unlocked when the straight tube LED lamp 57 is attached to the socket 10.

When the interlock mechanism is unlocked, it supplies power to the socket 10.
As described above, since the socket 10 is equipped with the interlock mechanism, even if the lamp is exchanged in the energized state, the energization to the socket 10 is cut off. Even if the socket 10 is touched by hand, Electrical safety can be ensured.

As shown in FIG. 4, in the socket 10, a slit 23 parallel to the axial direction of the straight tube type LED lamp 57 is formed on the back surface of the side plate 12.
Therefore, when attaching the lamp drop prevention member 14 to the socket 10, the support shaft 17 can be easily inserted into the insertion hole 18 through the slit 23.
Further, after the support shaft 17 of the lamp drop preventing member 14 is inserted into the insertion hole 18, the bent portion 19 is disposed on the back surface of the side plate 12.
Therefore, when the lamp fall prevention member 14 is rotated from the first position A1 to the second position A2 or from the second position A2 to the first position A1, it is possible to prevent the support shaft 17 from coming out from the insertion hole 18. .

Next, the operation of the lamp drop prevention member 14 will be described.
As shown in FIGS. 5 and 6, since the lamp drop prevention member 14 is in the first position A1, the lower part of the socket 10 is in an open state so that the straight tube LED lamp 57 does not interfere.
Therefore, the base pin 63 (base pin 65) of the straight tube type LED lamp 57 can be inserted into the main body 11 of the socket 10, and the straight tube type LED lamp 57 can be attached to the socket 10 or the straight tube type LED lamp 57 can be mounted. It can be removed from the socket 10.
At this time, since the lamp drop prevention member 14 is held at the first position A1 by the holding means 15, it does not hang down due to its own weight unlike the conventional one.

As shown in FIGS. 7 and 8, when the lamp drop prevention member 14 is in the first position A1, the base pin 63 (base pin 65) of the straight tube type LED lamp 57 is inserted into the main body 11 of the socket 10. .
Therefore, after it is confirmed that the straight tube type LED lamp 57 is mechanically and electrically connected to the socket 10 and the straight tube type LED lamp 57 is attached to the socket 10, the lamp drop prevention member 14 is in the first position. It is rotated from A1 to the second position A2.
As shown in FIG. 9, the lamp drop prevention member 14 is easily switched from the first position A1 to the second position A2 in order to be held at the second position A2 after overcoming the gentle first inclined surface 21. it can.

Moreover, since the 1st inclined surface 21 is a gentle slope, the lamp | ramp fall prevention member 14 can be rotated to 2nd position A2 with small force.
The lamp drop prevention member 14 interferes with the attachment / detachment of the straight tube type LED lamp 57 to cover the peripheral surface of the straight tube type LED lamp 57 in the vicinity of the cap pin 63 (the cap pin 65) at the second position A2. Become.
Therefore, the straight tube type LED lamp 57 can be held by the lamp drop prevention member 14 so as not to fall.

As described above, according to the socket 10 of the first embodiment of the present invention described above, the holding means 15 prevents the lamp drop prevention member 14 from interfering with the attachment / detachment of the straight tube type LED lamp 57, and the straight tube. The second position A2 that interferes with the attachment / detachment of the LED lamp 57 can be selected.
Therefore, according to the socket 10, the mounting operation can be simplified.

Moreover, according to the socket 10, the holding means 15 is climbed from the first position A1 toward the second position A2, and the first inclined surface 21 is climbed from the second position A2 toward the first position A1. A protrusion 20 having a second inclined surface 22 is provided.
Therefore, according to the socket 10, the first position A1 and the second position A2 can be reliably partitioned.

According to the socket 10, the second inclination angle θ2 of the second inclined surface 22 is larger than the first inclination angle θ1 of the first inclined surface 21.
Therefore, according to the socket 10, the lamp fall prevention member 14 can be easily switched from the first position A1 to the second position A2, and cannot be easily switched from the second position A2 to the first position A1.

Further, according to the socket 10, the bent portion 19 is disposed on the back surface of the side plate 12 after the support shaft 17 of the lamp drop preventing member 14 is inserted into the insertion hole 18.
Therefore, according to the socket 10, when the lamp fall prevention member 14 is rotated from the first position A1 to the second position A2 or from the second position A2 to the first position A1, the insertion hole 18 of the support shaft 17 is removed. Can be prevented from coming out.

  In addition, according to the lighting fixture 50, the mounting operation can be simplified by the socket 10.

(Second Embodiment)
Next, the socket and lighting fixture of 2nd Embodiment which concern on this invention are demonstrated.
In the following embodiments, components that are the same as those in the first embodiment described above or components that are functionally similar are denoted by the same or corresponding reference numerals in the drawings, and the description thereof is simplified or omitted. To do.

As shown in FIG. 10, the socket 30 equipped in the lighting fixture 80 of 2nd Embodiment which concerns on this invention is equipped with the lamp | ramp fall prevention member 31 with which the auxiliary member 32 was connected, and does not have a protrusion. 33 is provided.
The auxiliary member 32 is arranged on the connection locus of the straight tube type LED lamp 57 to the main body 11 when the lamp fall prevention member 31 is held at the first position A1.
In the lamp drop prevention member 31, the auxiliary member 32 is formed in a substantially L shape, and the base portion thereof is connected to the base portion of the U-shaped portion 16 through an angle θ3 (see FIG. 11) sufficiently smaller than 90 degrees. Has been.

As shown in FIG. 11, when the lamp fall prevention member 31 is at the first position A1, the lower part of the socket 30 is in an open state and does not interfere with the straight tube type LED lamp 57.
At this time, in the lamp drop prevention member 31, the auxiliary member 32 is disposed on the connection locus of the straight tube type LED lamp 57 to the main body 11.

As shown in FIGS. 12 and 13, when the lamp drop prevention member 31 is in the first position A <b> 1, the base pin 63 (base pin 65) of the straight tube type LED lamp 57 is inserted into the main body 11 of the socket 30. .
At this time, the auxiliary member 32 of the lamp drop prevention member 31 is disposed on the connection locus of the straight tube LED lamp 57 to the main body 11.
Therefore, the auxiliary member 32 is pressed upward in FIG. 13 as the lamp drop prevention member 31 advances to the socket 30 of the straight tube type LED lamp 57.

As the auxiliary member 32 is pressed upward, the U-shaped portion 16 of the lamp drop preventing member 31 is similarly moved upward.
The lamp drop preventing member 31 is rotated from the first position A1 to the second position A2, so that the U-shaped portion 16 of the lamp drop preventing member 31 covers the peripheral surface of the straight tube LED lamp 57.
Thus, the straight tube type LED lamp 57 can be held by the lamp drop prevention member 31 so as not to fall.

According to the socket 30 of the second embodiment, when the lamp fall prevention member 31 is held at the first position A1, the auxiliary member 32 is disposed on the connection locus of the straight tube type LED lamp 57 to the main body 11. The
Therefore, according to the socket 30, when the straight tube type LED lamp 57 is mounted on the socket 30, the lamp drop preventing member 31 is automatically rotated from the first position A1 to the second position A2 via the auxiliary member 32. Moved.
Therefore, the socket 30 can be automatically held by the auxiliary member 32 so that the straight tube type LED lamp 57 does not fall.

  In the socket and lighting fixture of the present invention, the socket base, power supply unit, power supply terminal block, straight tube type LED lamp and the like are not limited to the above-described embodiments, and appropriate modifications and improvements are possible. is there.

DESCRIPTION OF SYMBOLS 10,30 Socket 11 Main body 14,31 Lamp fall prevention member 15,33 Holding means 17 Support shaft 18 Insertion hole 20 Protrusion 21 1st inclined surface 22 2nd inclined surface 32 Auxiliary member 50,80 Lighting fixture 57 Straight tube type LED Lamp (straight tube lamp)
62,64 Base 63,65 Base pin

Claims (6)

A body that can be connected to the base of a straight tube lamp;
It is orthogonal to the longitudinal direction of the straight tube lamp, is along a pair of side surfaces facing opposite to each other in the main body, and is rotatable about a support shaft orthogonal to the longitudinal direction of the straight tube lamp. A substantially U-shaped lamp fall prevention member;
Holding means for holding the position of the lamp fall prevention member relative to the main body,
A first position where the lamp drop prevention member does not interfere with the attachment / detachment of the straight tube lamp with respect to the main body; and a second position where the lamp drop prevention member interferes with the attachment / detachment of the straight tube lamp with respect to the main body. A socket that is selectable. The socket according to claim 1, wherein
A protrusion that divides the first position and the second position on the side surface of the main body;
The protrusion is provided with a first inclined surface that rises from the first position toward the second position, and a second inclined surface that rises from the second position toward the first position. socket. The socket according to claim 2, wherein
A socket having a second inclination angle of the second inclined surface with respect to the side surface larger than a first inclination angle of the first inclined surface with respect to the side surface. The socket according to any one of claims 1 to 3,
A socket in which the support shaft can be inserted into an insertion hole provided in each of the side surfaces at both ends in the continuous direction of the lamp drop prevention member, and a tip is bent inside the main body. The socket according to any one of claims 1 to 4, wherein:
An auxiliary member connected to the lamp fall prevention member;
A socket in which the auxiliary member is disposed on a connection locus of the straight tube lamp with respect to the main body when the lamp fall prevention member is held in the first position.   A lighting fixture provided with the socket according to any one of claims 1 to 5.

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