JPH0569892U - Fluorescent lamp mounting device - Google Patents

Abstract

(57) [Summary] [Purpose] Fluorescent lamps are mounted on the lower surface of the open-case case so that the electrical connection is secure and replacement work is easy. [Structure] When the fluorescent lamp 10 and the fluorescent lamp cover 32 are attached to the fluorescent lamp holder 25, and the fluorescent lamp is connected to the socket body 11 on the shelf 9 side, the socket body and the fluorescent lamp holder-
And are coupled by the locking piece and the elastic piece for coupling. The power receiving terminal pin 27 protruding from the fluorescent lamp holder is guided by the grooves 15 on the socket body side and faces the inside of the groove.
Contact with.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a mounting device for a fluorescent lamp that is mounted on the lower surface of a shelf such as an open casing.

[0002]

[Prior Art]

 In an open-house case, a plurality of shelves are provided vertically in the storage room. These shelves are equipped with fluorescent lights on the bottom surface to illuminate the products on the lower shelves.

Here, the fluorescent lamp is attached to a power supply device on the shelf side, that is, a socket. Conventionally, as the mounting structure of the socket and the fluorescent lamp, the one shown in Japanese Utility Model Publication No. 61-35102 has been adopted. .

That is, the socket is hung and attached to the end of the lead wire crawling on the lower surface of the shelf. The fluorescent lamp is covered with a fluorescent lamp cover for heat insulation, and the power receiving pins at both ends of the fluorescent lamp are fitted into the sockets for mounting. The fluorescent light cover is secured by a plurality of clips on the shelf side so that it does not rotate.

[0005]

[Problems to be solved by the device]

 With such a structure, the fluorescent lamp is attached to the hanging and movable socket, which makes the attachment work difficult. Then, when removing and installing the fluorescent lamp, the lead wire is slackened so that the socket can be moved slightly downward so that the work can be done a little easier. The lead lines are visible and the appearance is bad.

In addition, there are many structural parts, such as requiring a plurality of clips for stopping the fluorescent cover for heat retention.

The present invention has been made in view of the above points, and it is easy to mount and replace a fluorescent lamp, has a good appearance, and is structurally simple. The purpose is to provide a mounting device.

[0008]

[Means for Solving the Problems]

 The present invention relates to a fluorescent lamp mounting device mounted on a lower surface of a shelf, wherein a fluorescent lamp and a fluorescent lamp cover for covering the fluorescent lamp are fitted and mounted between fluorescent lamp holders, and The socket main body for connecting the fluorescent lamp holder is mounted and fixed, and the connecting guide projections and the connecting elastic pieces arranged on both sides of the connecting guide projection are provided at the end of the fluorescent lamp holder, and the fluorescent lamp holder is connected between them. A pin through hole through which the power receiving terminal pin is projected is formed, while a pair of grooves for guiding and guiding the power receiving terminal pin are formed in the socket body, and a pair is inserted with the tip facing the groove. The power supply contact piece is provided, and further, a guide for the guide protrusion and a locking piece for engaging with the coupling elastic piece are provided.

[0009]

[Action]

 A fluorescent lamp and a fluorescent lamp cover are mounted on the fluorescent lamp holder, and this fluorescent lamp is mounted on the socket body fixed to the lower surface of the shelf.

The fitting guide projections of the fluorescent lamp holder enter along the guides on the socket body side for smooth mounting, and the fluorescent lamp holder and the socket body are provided with elastic coupling pieces provided respectively. And the locking piece are firmly engaged with each other and the power receiving terminal pins of the fluorescent lamp protruding from the end of the fluorescent lamp holder are guided into the respective grooves on the socket body side to enter. , And contacts the power supply contact piece facing the groove, and is held in contact by the elastic force of the power supply contact piece.

[0011]

【Example】

 Embodiments of the present invention will be described below with reference to the drawings.

First, referring to FIG. 1, the schematic structure of the open casing is described. 1 is an open casing in which the main body is partitioned by a heat insulating wall 3 having an opening 2 in the front surface. An inside 4 formed by the heat insulating wall 3 is partitioned by a partition plate 5, and an evaporator 6 for exchanging heat and a cool air circulated by the evaporator 6 are circulated as indicated by arrows. A cool air passage 8 in which a blower 7 is arranged is provided. Further, in the exhibition room 4'on the opening 2 side of the partition plate 5, a plurality of shelves 9 each having a fluorescent lamp 10 for illuminating a product attached to the front part of the lower surface thereof are provided. ． ． Is provided.

Next, the structure of the portion for attaching the fluorescent lamp 10 to the power feeding portion, that is, the socket will be described with reference to FIGS. 2 to 6.

A socket body 11 made of synthetic resin is attached and fixed to the lower surface of the shelf 9. As will be understood from FIGS. 2 and 4, the socket main body 11 includes a horizontal portion 11a applied to the lower surface of the shelf 9 and the ends of two lead wires 12 and 12 passing vertically through the horizontal portion 11a. It has an L-shape that is composed of the power feeding contact pieces 13 connected to the ends and the vertical portion 11b in which the feeding pieces 13 are inserted. The vertical portion 11b is a prism-shaped central protruding portion 14 in which guides 33, 33 for guiding the guide projections for coupling on the side of the fluorescent lamp holder, which will be described later, to facilitate the insertion are formed. , Grooves 15 and 15 for guiding and guiding the power receiving terminal pin of the fluorescent lamp 10, and integrally formed on both sides of the central protruding portion 14 via the grooves 15 and 15, and the coupling elastic on the fluorescent lamp holder side. Locking pieces 16 and 16 that engage with the pieces. Locking grooves 17, 17 are formed in the locking pieces 16, 16. Further, in the central protruding portion 14, the windows 18, 18 are formed on the side surfaces on the grooves 15, 15 side, and the feeding contact pieces 13, 13 have their own elastic forces that face each other inward, so that It is usually (when the fluorescent lamp holder is not attached) in a state in which the inflection protrusions 13a, 13a are inserted into the windows 18, 18.

The pair of projections 19 and 19 projecting from the upper surface of the horizontal portion 11 a serve as positioning projections when the socket body 11 is attached to the lower surface of the shelf 9, and holes 20 into which the projections 19 and 19 are fitted. , 20 are formed on the shelf 9 side. Further, a screw mounting hole 21 for mounting and fixing to the shelf 9 is provided between the protrusions 19 and 19.

Therefore, the socket main body 11 is not hanging from the shelf 9 as in the conventional case, but is fixed to the lower surface of the shelf 9 so that it is not necessary to make the lead wires 12 and 12 longer. The lead wire does not appear to the outside and looks good.

Next, the fluorescent lamp holder will be described.

The fluorescent lamp holder 25 is made of synthetic resin and has a cylindrical shape having a circular end surface 25a and a cylindrical peripheral wall 25b. Then, the end surface 25a is formed with pin through holes 28, 28 for penetrating the two power receiving terminal pins 27, 27 protruding in parallel from the end portion of the fluorescent lamp 9. The pin through holes 28, 28 are formed with radial slits 29, 29, 29 in three directions, and the pin through holes 28, 28 have the same diameter as that of the power receiving terminal pins 27, 27. It is slightly smaller than the thickness. As a result, the power receiving terminal pins 27, 27 are firmly fixed to the pin through holes 28, 28. Further, even power receiving terminal pins having different pin shapes can be accommodated and can be inserted and held in the pin through holes 28, 28.

On the outer surface side of the end surface 25a of the fluorescent lamp holder 25, there is provided a coupling guide projection 30 that fits into the central protruding portion 14 on the side of the socket body 11 and a lock on the socket body 11 side. The pieces 16 and 16 and the coupling elastic pieces 31 and 31 on both sides which engage with each other are integrally formed so as to form a mountain shape. The coupling guide protrusion 30 protrudes longer than the coupling elastic pieces 31, 31, and when the fluorescent lamp holder 25 is coupled to the socket body 11, the coupling guide protrusion 30 is first inserted into the socket body side by the guide 33, 33 to make the bond smooth. Further, the pin through holes 28, 28 are located between the coupling guide projection 30 and the coupling elastic pieces 31, 31. The claw portions 31a and 31a provided at the tips of the elastic pieces 31 and 31 for coupling are engaged with the engagement grooves 17 and 17 of the engagement pieces 16 and 16, respectively. The fluorescent lamp holder 25 holds both ends of the fluorescent lamp 10 to hold it, and at the same time, prevents the heat of the fluorescent lamp 10 from adversely affecting the products in the refrigerator 4. For example, it also serves as a support member for mounting a fluorescent fluorescent lamp cover 32 made of plastic.

That is, the cylindrical peripheral wall 25b of the fluorescent lamp holder 25 can be used as a support portion, and the opening 12 of the fluorescent lamp cover 32 is fitted into the outer peripheral surface of the peripheral wall 25b to firmly fix the holder. An annular collar portion 25c protruding to the outer periphery of the cylindrical wall 25b serves as a stopper portion of the fluorescent lamp cover 32. As a result, the fluorescent lamp clip which has been conventionally required can be dispensed with.

In this way, the fluorescent lamp holder 25 to which the fluorescent lamp 10 and the fluorescent lamp cover 32 are attached is coupled to the socket body 11 on the shelf 9 side from below as shown in FIGS. Then, the coupling guide protrusion 30 on the fluorescent lamp holder 25 side first enters the guide recess in the central protruding portion 14 of the socket body 11, and smoothly guides the mounting of both. Eventually, the power receiving terminal pins 27, 27 of the fluorescent lamp 10 enter into the grooves 15, 15 of the socket body 11, and the coupling elastic pieces 31, 31 and the locking pieces 16, 16 have their claw portions 31a ,. 31a and the locking grooves 17 and 17 are locked. Then, when the coupling guide projection 30 enters the central protruding portion 14, the round head portion 30a at the tip thereof contacts the curved protruding portions 13a, 13a of the power supply contact pieces 13, 13 from the inside to open the windows 18, 18. Through the outside. As a result, the power receiving terminal pins 27, 27 of the fluorescent lamp 10 enter the inside of the curved projections 13a, 13a of the power feeding contact pieces 13, 13 and push into the grooves 15, 15 while expanding. When the entry is completed, the power feeding contact pieces 13, 13 are held in a strong contact state with the power receiving terminal pins 27, 27 by the elastic force directed inward.

In this way, the fluorescent lamp 10 is securely attached with one touch to the socket main body 11 which is located in the interior of the refrigerator and in a position where it is difficult to see from the outside, and the fluorescent lamp attaching operation becomes easy. When removing, the fluorescent lamp 10 can be easily removed by pulling it out directly below.

When the fluorescent lamp 10 is damaged and needs to be replaced, the old fluorescent lamp 10 can be replaced by a new fluorescent lamp 10 mounted on the fluorescent lamp holder 25 and then mounted on the socket body 11.

[0024]

[Effect of the device]

 As described above, according to the present invention, the fluorescent lamp holder is a two-part structure including the socket main body having the fluorescent lamp mounting device mounted and fixed on the lower surface of the shelf and the fluorescent lamp holder mounted on the fluorescent lamp side. Since it is configured to be connected to the main body, even if the socket body cannot be seen, it can be easily and smoothly mounted, and the fluorescent lamp mounting work becomes easy. Since the fluorescent lamp and the fluorescent lamp cover can be set and mounted in the fluorescent lamp holder, the fluorescent lamp clip is unnecessary and the number of parts can be reduced and the configuration can be simplified. Even if it is damaged and needs to be replaced, it is convenient because it can be installed simply by newly installing it on this fluorescent lamp holder.

Furthermore, since the socket body is fixed to the lower surface of the shelf and the lead wire does not come out and is not visible, the appearance is improved and the lead wire is entangled when the fluorescent lamp is attached. Inconvenience such as does not occur.

[Brief description of drawings]

FIG. 1 is a vertical sectional view of an open case.

FIG. 2 is a side sectional view of a main part of a fluorescent lamp mounting device.

[Figure 3] Fluorescent lamp holder on both ends of the socket body on the shelf side
FIG. 3 is a mounting operation diagram showing an aspect of mounting a fluorescent lamp mounted with.

FIG. 4 is an external perspective view of a mounting operation showing an operation situation based on the same purpose as in FIG. 3.

FIG. 5 is a front view of the socket body.

FIG. 6 is a side view of the socket body.

FIG. 7 is a plan view of the socket body.

FIG. 8 is a front view of a fluorescent lamp holder.

9 is a fluorescent lamp holder viewed from the left in FIG.
Side view of.

FIG. 10 is a side view of the fluorescent lamp holder viewed from the right side in FIG.

[Explanation of symbols]

 9 Shelf 10 Fluorescent Lamp 11 Ket Main Body 13 Coupling Elastic Piece 15 Groove 16 Locking Piece 25 Fluorescent Lamp Holder 27 Power Receiving Terminal Pin 28 Pin Through Hole 30 Coupling Guide Protrusion 31 Coupling Elastic Piece 33 Guide

Claims (1)

[Scope of utility model registration request] 1. A fluorescent lamp mounting device mounted on the lower surface of a shelf, wherein a fluorescent lamp and a fluorescent lamp cover for covering the fluorescent lamp are fitted and mounted between fluorescent lamp holders, and the lower surface of the shelf is The socket body for connecting the fluorescent lamp holder is mounted and fixed, and a guide protrusion for connection and elastic pieces for connection arranged on both sides of the guide protrusion are provided at the end of the fluorescent lamp holder, and the fluorescent lamp receives power between them. Forming a pin through hole for projecting the terminal pin for use in the socket, while the socket body is provided with a pair of grooves for guiding and guiding the power receiving terminal pin; An apparatus for mounting a fluorescent lamp, comprising: a power supply contact piece; and a guide for the guide projection and a locking piece that engages with the coupling elastic piece.