JPH0537367Y2 - - Google Patents

Description

[Detailed description of the invention] [Purpose of the invention] (Field of industrial application) The present invention relates to lighting equipment, for example, the center of the reflector and lamp of equipment such as downlights that are embedded and fixed in the ceiling. It relates to a structure that prevents misalignment.

(Prior art) Conventional lighting equipment of this kind is, for example,
As described in Japanese Patent No. 186110, a lamp socket is attached to the center of a U-shaped device body having mounting legs on both sides, and the lamp socket is attached to the top of a reflector that fits between the mounting legs of this main body. Forms an insertion hole for inserting the lamp attached to the lamp socket,
A structure is adopted in which a locking spring attached to the main body is locked in a heat dissipation hole formed opposite to the upper circumferential surface of the reflector, and a reflector surrounding a lamp attached to the lamp socket is held on the main body. was.

(Problem to be solved by the invention) In the above conventional structure, the insertion hole for the lamp formed on the top surface of the reflector must be made larger than the diameter of the lamp in order to dissipate heat. The distance between the inner circumferential edge of this insertion hole and the outer circumferential surface of the lamp becomes wider, and due to the inclination of the main body, misalignment of the reflector, or manufacturing errors, the center of the lamp and the center of the reflector may deviate from each other, resulting in the desired alignment. There was a problem where light could not be obtained.

The present invention was devised in view of the above problems, and provides a lighting fixture that has a simple structure and can provide a desired light distribution without causing any misalignment between the center of the lamp and the center of the reflector surrounding the lamp. It is intended to.

[Structure of the idea]

(Means for Solving the Problems) The lighting fixture of the present invention has a substantially U-shaped main body that is embedded and fixed in the ceiling surface and has mounting legs oriented substantially vertically on both sides, and a central part of the main body. a lamp socket that is attached to the lamp socket; and a reflector that is fitted between the mounting legs of the main body and surrounds the lamp that is attached to the lamp socket, and a heat dissipation hole is formed opposite to the upper circumferential surface of the reflector. , A pair of locking springs having a locking portion that locks in the heat dissipation hole is bent toward the tip side is attached to the main body, and the lamp socket or the lamp attached to the lamp socket is attached to the top surface of the reflector. forming an insertion hole for insertion, and forming an insertion hole of the reflector and the lamp socket at a position perpendicular to the position of the heat dissipation hole on at least one of the inner peripheral edge of the insertion hole and the peripheral surface of the lamp socket. Alternatively, the lamp socket is characterized in that a protrusion is formed to restrict the position of the lamp attached to the peripheral surface of the lamp socket.

(Function) The lighting device of the present invention has a reflector fitted between both mounting legs of the main body, and a heat dissipation hole formed opposite to the top of the circumferential surface of the reflector. When the locking parts of the locking springs are respectively locked, the reflector is held in position by both locking springs in the biasing direction of the locking springs, and the outer peripheral surface of the lamp socket and the inside of the insertion hole of the reflector are The center of the locking spring is prevented from being misaligned with the peripheral edge, and the position of the locking spring is regulated in the direction perpendicular to the biasing direction by a protrusion protruding from at least one of the reflector and the lamp socket, and the locking spring is mounted on the lamp socket. The center of the lamp and the center position of the reflector are regulated.

In addition, when forming the heat dissipation hole of the reflector, the protrusion is formed only to face the inner periphery of the insertion hole on the top surface, so the protrusion does not get in the way and allows the metal for forming the heat dissipation hole to pass through the insertion hole. The mold can be inserted through it, making it easy to mold the heat radiation hole.

(Example) Reference numeral 10 denotes a main body made of a metal material and embedded and fixed in the ceiling surface, and the upper ends of mounting legs 11, 11 facing downward, which are substantially perpendicular to both sides, are secured with screws 12, 12, respectively. It is fixed and formed into a substantially U-shape. Further, a lamp socket 13 is attached to the lower surface of the center of the main body 10. Further, base portions 15 of a pair of locking springs 14, 14 are attached to the lower surface of the main body 10 at symmetrical positions with the lamp socket 13 in between, using screws 16, respectively. A locking portion 17 is formed on the distal end side of each of the locking springs 14, 14, and is bent into a substantially V-shape so as to protrude toward each other in a direction toward each other.

Reference numeral 18 denotes a reflector, which is formed of a rotating quadratic curved surface, has an irradiation opening 19 formed in its lower surface, and has an insertion hole 2 in the center of its top surface 20 through which the lamp socket 13 is inserted.
1 is formed. A heat radiation hole 22 is located opposite to the upper circumferential surface of the reflector 18, and the locking portions 17 of the locking springs 14, 14 are respectively engaged from the outside.
is formed. The rotating body 18 is fitted between the mounting legs 11, 11 of the main body 10, and is inserted into the lamp socket 13 through the insertion hole 21.
Lamp 23 attached to the lamp socket 13
The locking portions 17 of the locking springs 14, which are paired with the heat radiation holes 22, 22 of the reflector 18 fitted between the mounting legs 11, 11 of the main body 10, respectively surround the It is becoming locked.

The insertion hole 21 of the reflector 18 is formed on the inner peripheral edge of the insertion hole 21 formed on the top surface 20 of the reflector 18 through which the lamp socket 13 is inserted, and the insertion hole 21 of the reflector 18 and the A protrusion 24 is formed to restrict the position of the lamp socket relative to the peripheral surface of the lamp socket.

Note that 25 is a decorative frame, which is attached to the lower part of the mounting legs 11, 11 of the main body 10, and this decorative frame 2
5 is adapted to be brought into contact with the periphery of the fixture mounting hole on the ceiling surface.

Further, the mounting legs 11, 11 of the main body 10 are provided with mounting tools 26 that engage construction materials within the ceiling surface to hold the main body 10 within the ceiling.

Next, the operation of this embodiment will be explained.

A decorative frame 2 is attached to both mounting legs 11, 11 of the main body 10.
5, and in this state, insert the main body 10 from below into the recessed mounting hole on the ceiling surface, abut the edge of the decorative frame 25 around the mounting hole, and then attach the main body mounting tool 26.
is engaged with the top surface of the construction material to hold the main body within the ceiling surface. Next, both mounting legs 11, 1 of the main body 10
When the reflector 18 is fitted from below between the lamp sockets 1 and 1, the lower part of the lamp socket 13 is inserted into the insertion hole 21 formed in the top surface 20 of the reflector 18, and
The peripheral edge of the circumferential surface of this reflector 18 is the locking spring 14,1
Push the locking part 17 of 4 outward and expand this locking part 1.
When the heat radiation hole 22 of the reflector 18 reaches the position 7, the locking springs 14, 14 are returned to the direction in which the distance between them becomes narrower due to the spring force, and the locking portion 17 is respectively locked in the heat radiation hole 22. Therefore, both locking springs 14,1
4, the reflector 18 is held in position by both locking springs, and the lamp socket 1
3 and the inner peripheral edge of the insertion hole 21 of the reflector 18 are prevented from being misaligned. Also, this locking spring 1
4 and 14 in the direction perpendicular to the biasing direction is regulated by a protrusion 24 protruding from the inner peripheral edge of the insertion hole 21 of the reflector 18, so that the center of the lamp 23 attached to the lamp socket 13 and the center of the reflector 18 are aligned. Regulated.

Furthermore, when forming the heat dissipation hole 22 of the reflector 18, the protrusion 24 is formed only to face the inner peripheral edge of the insertion hole 21 on the top surface 20, so that the protrusion 24 does not get in the way of the insertion hole 21. A mold for forming heat radiation holes can be easily inserted through the heat radiation holes, and molding of the heat radiation holes 22 is facilitated.

In the embodiment described above, the structure in which the protrusion 24 is formed on the inner peripheral edge of the insertion hole 21 of the reflector 18 has been described, but the structure is not limited to this, and the reflector 1
The protrusion 24 may be formed to protrude from the inner peripheral surface of the lamp socket 13, or may be formed on the outer peripheral surface of the lamp socket 13 so as to face the inner peripheral edge of the insertion hole 21 of the reflector 18. Furthermore, the reflector 18 and the lamp socket 13 may each have protrusions.

Further, in the embodiment, the insertion hole 21 of the reflector 18
Although the lamp socket 13 is inserted into the structure,
It is also possible to insert only the lamp 23 attached to the lamp socket 13 into the insertion hole 21 without inserting the lamp socket 13 through the insertion hole 21 of the reflector 18. In this structure, the reflector 18 has a protrusion 24. , 24 are provided protrudingly opposite to each other.

[Effect of idea]

According to the present invention, the reflector is fitted with a pair of locking springs formed by bending the locking portions toward the tip side, which lock into the heat dissipation holes formed opposite to each other on the upper circumferential surface of the reflector. Attached to the main body, an insertion hole is formed on the top surface of the reflector through which a lamp socket or a lamp attached to the lamp socket is inserted, and a reflector is formed on at least one of the inner peripheral edge of the insertion hole and the peripheral surface of the lamp socket. Since a protrusion is formed that regulates the position of the insertion hole of the reflector and the lamp socket or the circumferential surface of the lamp attached to the lamp socket, relative to the position of the heat dissipation hole of The reflector is positioned and held by both locking springs in the biasing direction of the reflector, and the reflector is positioned and held in a direction perpendicular to the biasing direction of the locking spring. The position is regulated by the protrusion, so that the center of the lamp installed in the lamp socket and the center of the reflector do not deviate, preventing changes in light distribution due to misalignment of the reflector. During formation, the protrusion is formed only to face the inner peripheral edge of the insertion hole on the top surface, so the mold for forming the heat radiation hole can be easily inserted through the insertion hole, making it easy to mold the heat radiation hole. It is something.

[Brief explanation of the drawing]

FIG. 1 is a longitudinal sectional front view of a lighting fixture showing an embodiment of the present invention, and FIG. 2 is a plan view of the same reflector. 10...Main body, 11...Mounting leg, 13...
Lamp socket, 14...Latching spring, 17...Locking portion, 18...Reflector, 20...Top surface, 21...
Insertion hole, 22...Radiation hole, 23...Lamp, 24
...protrusion.

Claims (1)

[Claims for Utility Model Registration] A substantially U-shaped main body that is embedded and fixed in a ceiling surface and has mounting legs oriented substantially vertically on both sides, a lamp socket that is attached to the center of the main body, and the main body. a reflector that is fitted between the mounting legs of the lamp and surrounds the lamp mounted in the lamp socket, a heat dissipation hole is formed opposite to the upper circumferential surface of the reflector, and a reflector that is engaged with the heat dissipation hole is provided. a pair of locking springs each having a locking portion bent toward the tip side are attached to the main body, and an insertion hole is formed in the top surface of the reflector through which the lamp socket or a lamp attached to the lamp socket is inserted. At least one of the inner peripheral edge of the insertion hole and the peripheral surface of the lamp socket has an insertion hole of the reflector and a lamp socket, or a lamp attached to the lamp socket, in a direction perpendicular to the position of the heat dissipation hole. A lighting fixture characterized by forming a protrusion that regulates its position with respect to a peripheral surface.