JPH0721824A - Direct mounting type fluorescent lamp apparatus - Google Patents

Abstract

PURPOSE:To provide a direct mounting type fluorescent lamp apparatus by which a reflecting plate can be installed easily with a simple structure and the reflecting plate can be mounted and demounted while fluorescent lamps are installed as they are. CONSTITUTION:This direct mounting type fluorescent lamp apparatus has an apparatus body 11 having the locking parts 14 and 14 in the lower end parts of side walls 13 and 13 arranged on both sides of the installing surface 12, a socket stand 16 which has a pair of sockets 23 and 23 and is installed opposite in both end parts of the apparatus body 11 and a reflecting plate 31 whose engaging parts 34 and 34 are formed in the upper end parts of the inclined sides 33 and 33 formed on both sides of a base 32 and which covers the opening part of the apparatus body 11 by locking these engaging parts 34 and 34 on the locking parts 14 and 14 of the apparatus body 11. The reflecting plate 31 is constituted so as to hold a prescribed space between the ceiling surface and the engaging parts 34 and 34 when it is installed on the apparatus body 11. The apparatus body 11 is constituted so that the upper end parts 15 of the side walls 13 and 13 of the apparatus body 11 are situated inside of an outer peripheral tangent of fluorescent lamps 26 and 26 passing through the outside end part 35 of the reflecting plate 31 in a condition where the fluorescent lamps 26 and 26 are installed in the sockets 23 and 23.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a direct-attached fluorescent lamp fixture which is attached to a ceiling surface of a building.

[0002]

2. Description of the Related Art FIGS.
FIG. 2 is a cross-sectional view and an exploded perspective view of an example of a conventional direct-attached fluorescent lamp fixture disclosed in Japanese Patent Publication No. In the figure, reference numeral 1 denotes a main body having a U-shaped cross section, which includes a ceiling surface attached to a ceiling and the like, and side walls provided on opposite sides of the ceiling surface. The side wall has a distal end portion bent outward to form a substantially cylindrical shape. Has been done. Socket mounts 3, 3 are rotatably engaged and supported in engagement holes 2 formed on both side walls of the main body 1, and sockets 4 are mounted on the socket mounts 3, 3.

Numeral 5 is a substantially H-shaped reflecting plate having a reflecting surface inclined upward as it goes to the outside, and the sockets 4 and 4 mounted on the socket mounting bases 3 are provided on both sides. It is inserted into the insertion holes 6 and 6 so as to project downward, and is fixed to the socket mounts 3 and 3 by screws 7 and 7. In this case, the reflection plate 5 is attached in close contact with the ceiling surface, and since the size and the total length of the reflection plate 5 are formed to be larger than the size and the total length of the main body 1, the main body 1 is completely covered by the reflection plate 5. It is covered and hidden from the outside.

In the above direct-attached fluorescent lamp fixture,
The socket mounts 3 supported on both side walls of the main body 1 are
It is rotatably supported in the engaging holes 2 and 2 by the engaging pieces 8 and 8, and the main body 1 is attached to the ceiling surface in a state where the sockets 4 and 4 are attached to the socket mounts 3 and 3 and the reflector 5 is attached. Is pushed up from below, the sockets 4, 4 project from the socket insertion holes 6, 6 provided in the inclined reflecting surfaces 9, 9 of the reflecting plate 5, and when the reflecting plate 5 is pushed up, the socket bases 3, 3 are pushed.
Rotates around the engaging pieces 8 and 8 along the reflecting surfaces 9 and 9 of the reflecting plate 5, and the sockets 4 and 4 are fixed at predetermined positions as shown in FIG.

Then, with the upper end of the reflection plate 5 in close contact with the ceiling surface, the screws 7, 7 are inserted through the screw insertion holes 10, 10 of the reflection plate 5, and the screws provided on the socket mounts 3, 3 are inserted. The reflection plate 5 is fixed to the main body 1 by being screwed into the holes 10a, 10a. After attaching the reflector 5, sockets 4, 4
The fluorescent lamps 26, 26 are attached to the and the installation work is completed.

When the inside of the fixture is to be inspected after mounting on the ceiling surface, first the fluorescent lamps 26, 26 are removed from the sockets 4, 4, then the screws 7, 7 are removed, and the reflector 5 is removed from the main body 1. Just remove it.

[0007]

Since the conventional direct-mounted fluorescent lamp fixture is constructed as described above, the socket mounts 3 and 3 must be provided with a turning mechanism, and the reflector 5 is used. The structure is complicated and the number of parts is large, such as the need for screws 7 and 7 for fixing the parts, which is expensive. Further, there are various problems such that it takes a lot of time to attach and remove the reflector 5.

The present invention has been made in order to solve the above problems, and has a simple structure and a reflector can be easily attached, and the reflector can be attached and detached while the fluorescent lamp is still attached. The purpose is to obtain a direct-mounted fluorescent lamp fixture.

[0009]

A direct-attached fluorescent lamp fixture according to the present invention is constructed such that the lower end portions of side walls provided on both sides of a mounting surface to be attached to a ceiling surface are bent outward and then the end portions are turned inward. An elongated channel-shaped instrument main body that is curved to form a locking portion, a socket base that has a pair of sockets and is mounted opposite to both ends of the instrument main body, and upper ends of inclined sides formed on both sides of the bottom side. The part is extended upward and then curved inward to form an engaging part, and the engaging part is locked to the locking part of the device body to cover the opening of the device body. A plate, and is configured to hold a predetermined space between the ceiling surface and the engaging portion when the reflector is attached to the instrument body, the instrument body, the fluorescent lamp in a pair of sockets. With it installed, the upper end of the side wall of the instrument body should pass through the outer end of the reflector. Those configured such that the outer peripheral tangent line of the fluorescent lamp inside.

In addition, in the above direct-attached fluorescent lamp fixture,
Instead of the instrument body, an instrument body is used in which the lower end of the side wall is bent outward and then inclined downward inward, and the end is curved inward to form a locking portion.

Furthermore, in each of the above direct-attached fluorescent lamp fixtures, the relationship between the distance W ₃ between the insides of the fluorescent lamps mounted in parallel in a pair of sockets and the width W _{4 of the} reflector is W ₃ > W ₄
Is set to.

Further, in each of the above direct-attached fluorescent lamp fixtures,
An auxiliary reflector having a width larger than the space between the outsides of the fluorescent lamps mounted in parallel with the pair of sockets is provided between the fixture body and the ceiling surface.

[0013]

[Operation] After the fixture main body with the socket stand and ballast etc. is attached to the ceiling surface, the reflection plate is pushed up from below,
The engaging portion provided at the tip of the opening of the reflector comes into contact with the locking portion of the instrument body. When the reflector is further pushed up, its inclined side elastically deforms outward, the engaging part rises along the locking part of the instrument body, and when the inclined side hits the locking part, it stops and the two engage. , The inclined side returns to the original state and the mounting is completed. At this time, a predetermined space is formed between the upper end of the reflector and the ceiling surface.

Then, the fluorescent lamp is attached to the socket. With the fluorescent lamp attached, the upper end of the side wall of the instrument body passes inside the outer peripheral tangent of the fluorescent lamp passing through the outer end of the engaging portion of the reflector. As a result, the side wall of the instrument body is difficult to see from the outside.

When removing the reflector, remove the fluorescent lamp, put a hand between the ceiling surface and the upper end of the reflector, grab the engaging part and pull it down. Is elastically deformed outward to disengage from the engaging portion, and the reflector plate is disengaged from the instrument body.

The operation when the locking portion is provided on the side wall of the instrument body through the inclined surface is similar to the above, but the reflection plate can be attached to and detached from the instrument body more smoothly.

By setting the relationship between the distance W ₃ between the insides of the two fluorescent lamps and the width W _{4 of the} reflecting plate so that W ₃ > W ₄ , the two fluorescent lamps can be left attached to the sockets. The reflector can be attached and detached with.

By providing an auxiliary reflection plate having a width larger than the space between the outer sides of the two fluorescent lamps between the ceiling surface and the main body of the fixture, the lighting efficiency is improved and the ceiling surface is prevented from being soiled or deteriorated. be able to.

[0019]

【Example】

Example 1 A first example of the present invention is shown in FIGS. In the figure, 11 is an elongated instrument body having a channel-shaped cross section, which is composed of a ceiling-mounting surface 12 and side walls 13 and 13 formed on both sides thereof. After that, bend the tip inward to lock
4 and 14 are formed. Reference numeral 30 is a ballast housed inside the instrument body 11.

Numerals 16 and 16 are socket bases mounted on the openings of both ends of the instrument body 11 in the longitudinal direction by screwing and caulking, and are hung from the top plate 17 and both sides of the top plate 17 downward, The side walls 18, 18 provided with the locking pieces 19, 19 are opposed to the top plate 17, and the locking pieces 2 are provided at both ends.
The bottom plate 20 is provided with 1, 21. Two
Numerals 3 and 23 are sockets having mounting grooves 24 and 25 on both sides of the tip portion, which are engaged with the locking pieces 19 and 21 of the socket bases 16 and 16, respectively, and are integrally mounted.
6 is a fluorescent lamp.

Reference numeral 31 is a slender reflector having a substantially inverted trapezoidal cross section for covering the opening on the lower surface of the instrument main body 11. The slant is slanted upward and outward from both ends of the flat reflector 32 forming the bottom. Reflecting surfaces 33, 33 are formed, and both ends of the reflecting surfaces 33 extend substantially vertically upward and are then bent and bent inward to form engaging portions 34, 34.

The socket bases 16 and 16 are shaped so that the sockets 23 and 23 are substantially perpendicular to the inclined reflecting surfaces 33 and 33 of the reflecting plate 31 when the reflecting plate 31 is attached to the instrument body 11. The socket base 16, 16
Mounting groove 2 of socket 23, 23 to locking piece 19, 21 of
The upper surface plate 17 and the side walls 18 and 18 of the fixture body 11 and the reflection plate 31 are attached to the mounting surface 12 and the side walls 13 at both ends of the fixture body 11 so as to cover the openings of both ends of the fixture body 11 and the reflection plate 31. , 13 are fixed by screws, caulking or the like.

The total length L ₁ of the reflector 31 is the inner dimension L of the socket bases 16 and 16 fixed to both ends of the instrument body 11.
The same than or shorter and ₂ (L ₁ ≦ L ₂₎ are formed, also, the inner dimension W ₁ between the engaging portion 34 of the reflector 31, the engaging portion 14 of the fixture body 11, It is formed smaller than the outer dimension W _{2 of} 14 (W ₁ <W ₂ ). Further, the width dimension of the instrument body 11 is formed so that the upper end portions 15 of the side walls 13, 13 are inside the outer peripheral tangent line 27 of the fluorescent lamp 26 passing through the outer upper end portion 35 of the reflection plate 31.

In the direct-attached fluorescent lamp fixture of the present embodiment constructed as described above, the fixture main body 11 to which the socket base 16, the sockets 23, 23, the ballast 30 and the like are attached is ceiling-mounted with bolts or the like (not shown). When the reflecting plate 31 is pushed up from below after being mounted on the surface, the inner walls of the engaging portions 34, 34 provided at the tips of the openings of the reflecting plate 31 become the side walls 13,
It contacts the outer walls of the locking portions 14, 14 provided at the lower end of 13. Then, the engaging portions 34, 34 of the reflecting plate 31 have their inclined reflecting surfaces 33, 33 elastically deformed obliquely downward to open outward, and when the reflecting plate 31 is further pushed up, the engaging portions 34 of the reflecting plate 31. , 34 have the inner walls of the locking portions 14, 1 of the instrument body 11.
4 through the outer wall to return to the original state and the engaging portions 34, 34
Is locked to the locking portions 14 and 14, and the attachment of the reflection plate 31 to the instrument body 11 is completed. By mounting the reflection plate 31 in this manner, a constant space G is maintained between the upper end of the reflection plate 31 and the ceiling surface.

After the reflection plate 31 is mounted on the instrument body 11, the fluorescent lamps 26, 26 are mounted on the sockets 23, 23. With the fluorescent lamps 26, 26 mounted, as described above, the side wall of the instrument body 11 is mounted. 13, 15 upper end 15
However, since it is inside the outer peripheral tangent line 27 of the fluorescent lamps 26, 26 passing through the outer upper end portions 35 of the engaging portions 34, 34 of the reflection plate 31, the side walls 13, 13 of the instrument body 11 are difficult to see from the outside. Therefore, it is possible to omit finishing such as painting of the material forming the instrument body 11.

When the reflector 31 is to be removed from the instrument body 11, after removing the fluorescent lamps 26, 26, a hand is put in the space G formed between the ceiling surface and the upper end 35 of the reflector 31 to reflect the light. The engaging portions 34, 34 of the plate 31 are grasped and pulled down. As a result, the inclined reflecting surfaces 33, 33 of the reflecting plate 31 are elastically deformed outward as in the case of mounting, and the engaging portions 34, 34
Is disengaged from the locking portions 14, 14 of the instrument body 11.

Embodiment 2 FIG. 4 is a sectional view showing the main part of the second embodiment of the present invention. In the first embodiment, as shown in FIG.
The case where the lower end portions of the side walls 13, 13 of 1 are bent outward at substantially right angles and the tip portions thereof are bent downward to form the locking portions 14, 14 has been described. After bending the lower ends of the side walls 13, 13 of the instrument body 11 outward at a substantially right angle, then bend inwardly at an acute angle to form an inclined surface 36, and bend the tip end thereof upward. The locking portions 14 and 14 are formed.

In this embodiment constructed as described above, when the reflector plate 31 is mounted on the instrument body 11, the inner walls of the engaging portions 34, 34 provided on the reflector plate 31 are first attached to the instrument body 11. Locking portions 14 provided at the lower ends of the side walls 13, 13,
Abut on 14. When the reflecting plate 31 is further pushed up, the inner walls of the engaging portions 34, 34 of the reflecting plate 31 move to the inclined portions 36, 36 along the outer walls of the locking portions 14, 14 of the instrument body 11, so that the reflecting plate 31 The inclined elastic surfaces 33, 33 are smoothly elastically deformed outward, so that the reflective plate 31 can be easily attached to the instrument body 11.

Embodiment 3 FIG. 5 shows a third embodiment of the present invention. In this embodiment, the inner width dimension W ₃ of the fluorescent lamps 26, 26 mounted in the sockets 23, 23 is larger than the outer width dimension W ₄ of the reflection plate 31 in the state of being mounted on the instrument body 11 (W ₃ > W). ₄ ) It is composed. With this configuration, the reflector 31 can be attached to or removed from the instrument body 11 with the fluorescent lamps 26, 26 still attached to the sockets 23, 23.

Embodiment 4 In each of the above-mentioned embodiments, since the reflecting plate is not provided right above the fluorescent lamps 26, 26, the lighting efficiency of the fluorescent lamp fixture is poor, and the light and heat of the fluorescent lamps 26, 26 are not good. It is easy for stains and deterioration of the ceiling surface to occur. In order to solve the above-mentioned problems, this embodiment is as shown in FIG.
An auxiliary reflection plate 31 having a width dimension W ₆ (W ₅ <W ₆ ) larger than the outer width dimension W ₅ of the fluorescent lamps 26, 26 attached to the sockets 23, 23 is provided on the upper surface of the instrument body 11. .

As shown in FIG. 7, the auxiliary reflecting plate 31 is fixed to the mounting surface 12 of the instrument body 11 by screwing or caulking 38 to form an integrated structure, or as shown in FIG. When the instrument body 11 is attached to the ceiling surface with the bolts 39 and the nuts 40, the auxiliary reflection plate 37 is placed on the attachment surface 12 of the instrument body 11, and is tightened together with the instrument body 11. With this configuration, it is possible to improve the reflection efficiency of the fluorescent lamp fixture and prevent the ceiling surface from being soiled or deteriorated.

[0032]

The direct-attached fluorescent lamp apparatus according to the present invention has a structure in which the lower end portions of the side walls provided on both sides of the mounting surface to be mounted on the ceiling surface are bent outward and then the end portions are curved inward. An elongated channel-shaped instrument main body having a stop portion, a socket base that has a pair of sockets and is mounted facing each other at both ends of the instrument main body, and the upper ends of the inclined sides formed on both sides of the bottom side upward. After extending, it is curved inward to form an engaging portion, and the engaging portion is engaged with the engaging portion of the instrument body to cover the opening of the instrument body. Then, when this reflector is attached to the main body of the fixture, a predetermined space is maintained between the ceiling surface and the engaging portion, and the main body of the fixture is attached to the pair of sockets with the fluorescent lamp attached. , The upper end of the side wall of the fixture body passes through the outer end of the reflector And configured to be on the inside of the circumferential tangent,
The reflector can be attached to the instrument body with one touch. For this reason, the instrument body is thin, and a joining member such as a screw is not required for attaching the reflection plate to the instrument body, so that it can be manufactured at low cost and the attaching work becomes easy. Furthermore, since the side wall of the instrument body is difficult to see from the outside, a finishing process such as painting is unnecessary, and the cost can be reduced accordingly.

Further, instead of the instrument body, an instrument body is used in which the lower end of the side wall is bent outward and then inclined downward toward the inside, and the end is curved inward to form a locking portion. As a result, the reflection plate can be attached to the instrument body more smoothly.

Furthermore, the fluorescent lamp was mounted by setting the relationship between the distance W ₃ between the insides of the fluorescent lamps mounted in parallel to the pair of sockets and the width W _{4 of the} reflector so that W ₃ > W ₄ . Since the reflector can be attached and removed as it is, when mounting the direct-attached fluorescent lamp fixture on the ceiling surface, first mount the fluorescent lamp on the floor surface before mounting the fixture body on the ceiling surface. After that, the reflector can be attached to the instrument body.

In high-altitude work such as work for mounting a direct-attached fluorescent lamp fixture on the ceiling surface, it is necessary to repeatedly move up and down to a scaffold or stepladder for high-place work. In the lighting fixture, it is necessary to firstly attach the fixture main body, then the reflector plate, and finally the fluorescent lamp for three times of raising and lowering operations. In the case of the direct-attached fluorescent lamp fixture according to the present invention, Since the work is completed by the two raising and lowering operations of mounting the instrument body and mounting the reflector, the working time can be shortened.

Also, when a defect occurs in the direct-attached fluorescent lamp fixture that has been installed on the ceiling surface and the interior of the fixture is inspected, remove only the reflector plate with the fluorescent lamp still attached, It is possible to obtain a direct-attached fluorescent lamp fixture that is easy to work and maintain, such as being able to inspect the inside of the fixture.

Furthermore, by providing an auxiliary reflector having a width larger than the distance between the outer sides of the two fluorescent lamps between the main body and the ceiling surface, the light emitted from directly above the fluorescent lamps is assisted. The light can be effectively taken into the room by being reflected by the reflection plate, and the ceiling surface can be prevented from being contaminated and deteriorated due to heat and light of the fluorescent lamp.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view of a first embodiment of the present invention.

FIG. 2 is an exploded view of a main part of FIG.

FIG. 3 is an exploded perspective view of a main part of FIG.

FIG. 4 is an exploded view of the second embodiment of the present invention.

FIG. 5 is a vertical sectional view of a third embodiment of the present invention.

FIG. 6 is a vertical sectional view of a fourth embodiment of the present invention.

7 is a front view showing another example of the main part of FIG.

FIG. 8 is a cross-sectional view of an example of a conventional direct-attached fluorescent lamp fixture.

FIG. 9 is an exploded perspective view of FIG.

[Explanation of symbols]

 11 Instrument Main Body 12 Mounting Surface 13 Side Wall 14 Locking Part 16 Socket Stand 23 Socket 26 Fluorescent Lamp 31 Reflector 33 Inclined Reflective Surface 34 Engagement Part 36 Inclined Surface 37 Auxiliary Reflector

Claims (4)

[Claims] 1. An elongated channel-shaped instrument body in which a lower end portion of side walls provided on both sides of a mounting surface is bent outward and then the end portion is curved inward to form a locking portion, and a pair of sockets. A socket base that is mounted opposite to both ends of the instrument body, and upper ends of inclined sides formed on both sides of the bottom side are extended upward and then curved inward to form an engagement portion, A reflector having a substantially inverted trapezoidal cross section for covering the opening of the instrument body by locking the engagement portion with the engagement portion of the instrument body, the reflector being the instrument body; Is configured so as to maintain a predetermined space between the ceiling surface and the engaging portion of the reflection plate when mounted on the instrument body, and the instrument body in a state in which a fluorescent lamp is attached to the pair of sockets. Outside the fluorescent lamp, the upper end of the side wall of the fixture body passes through the outer end of the reflector. A direct-attached fluorescent lamp fixture, characterized in that it is arranged inside the circumferential tangent line. 2. Instead of the instrument body, lower ends of side walls provided on both sides of a mounting surface are bent outward and then tilted inward, and the ends are curved inward and locked. The direct-attached fluorescent lamp device according to claim 1, wherein an elongated channel-shaped device body having a portion is used. 3. The relationship between the distance W ₃ between the insides of the fluorescent lamps attached to the pair of sockets and the width W _{4 of the} reflector is W.
The direct-attached fluorescent lamp fixture according to claim 1 or 2, wherein ₃ > W ₄ is set. 4. An auxiliary reflection plate having a width larger than the distance between the outsides of the fluorescent lamps attached to the pair of sockets is provided between the fixture body and the ceiling surface.
Direct-attached fluorescent lamp fixture according to 2 or 3.