JP2011034908A - Fall prevention tool for fluorescent tube of straight tube fluorescent lamp - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fall prevention tool for a fluorescent tube in which the fluorescent tube's fall from the fluorescent lamp body can be prevented surely and simply without reforming the fluorescent body even if a socket structure of the body is an either type of "butting type" or "turning in type" in an existing straight tube fluorescent lamp. <P>SOLUTION: The fall prevention tool 10 for the fluorescent tube of the straight tube fluorescent lamp is positioned at the end of the fluorescent tube of the straight tube fluorescent lamp in which a straight tube fluorescent tube 40 is an illumination tube, and prevents the fluorescent tube from falling from a socket 42 of the fluorescent lamp body 43. A cross-sectional U-shaped fluorescent tube pinching member 1 which inserts an opening astride over a base 41 of the fluorescent tube end and the socket, and pinches both members, and a socket support member 2 which is branched from the fluorescent pinching member 1 and presses the end of the socket in a fluorescent tube direction are integrally coupled. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a fluorescent tube fall prevention device for a fluorescent lamp that prevents a straight tube type fluorescent tube (straight tube type bulb) of a fluorescent lamp from falling from a fluorescent lamp body due to vibration or the like.

  Conventionally, a fluorescent tube having a straight tube type fluorescent tube as an illumination tube (hereinafter, the whole including such a straight tube type fluorescent tube and a fluorescent lamp main body is referred to as a “straight tube type fluorescent lamp”). There are two types of mounting methods for sockets: the “butt type”, in which the electrode pins of the fluorescent tube are pushed into the two electrode pin receiving holes provided in the socket, and the electrode pins of the fluorescent tube are inserted into the groove of the socket. There is a “turn-in type” in which a tube is turned about 90 degrees around its axis.

  However, as is well known, if the fluorescent tube is not properly fitted or turned into the socket, the fluorescent tube may come off the socket and fall due to lighting operation using a pull switch or vibration such as an earthquake. It was. In addition, even if there is no problem in how the fluorescent tube is attached to the socket, there is a problem of deterioration due to long-term use. In particular, in a butt-type socket, the socket will be ”, And the fluorescent tube tends to fall easily.

  In particular, from the viewpoint of energy saving, LED lighting tubes incorporating a plurality of LED elements as light sources that can be mounted on existing glow starters, rapid starters, and inverter-type fluorescent lamp bodies are now on the market. .

  However, the LED light source type has a considerable weight increase because not only the LED element but also the substrate and the control circuit must be built in the straight tube, and it is further dropped due to the socket structure. It tends to be easy. And if the LED light source type lighting tube falls, the damaged LED lighting tube must be replaced with a new one, but the LED lighting tube itself is not only expensive, In the case of a viaduct or the like, it requires heavy equipment carry-in and labor costs for replacement, and the replacement cost is higher than the main cost of the LED lighting tube. Therefore, when the fluorescent tube is an LED lighting tube, it is necessary to avoid dropping from the socket more than before.

  Under such circumstances, as a fluorescent tube fall prevention device for a conventional straight tube type fluorescent lamp, both ends of the base are mounted and fixed in a support spring having a substantially U-shaped cross section, and the fluorescent tube end near the base is fixed. There is a type in which the part is always lifted by a wire fall prevention material bent in a U shape from the bottom to the top (for example, Patent Document 1).

  However, the fluorescent tube fall prevention device of this Patent Document 1 is applicable only to a specific structure in which the two electrode pins of the fluorescent tube are directed upward with respect to the tube axis, and for each fluorescent lamp main body described above. In addition to supporting springs and fall prevention materials, it is necessary to incorporate multiple parts. To apply to the above-mentioned butted and swivel fluorescent lamps, the main body needs to be greatly improved and cannot be applied immediately. .

JP 2009-4189 A (Claim 1, reference numerals 5 and 6 in FIG. 6)

  The present invention has been made in view of such circumstances, and in the existing straight tube fluorescent lamp, regardless of whether the socket structure of the main body is a “butting type” or a “turn-in type”, It is an object of the present invention to provide a fluorescent tube fall prevention device that can reliably and easily prevent the fluorescent tube from falling from the fluorescent lamp body without requiring modification of the fluorescent lamp body.

  In order to solve the above-described problems, the present invention is located at the end of a fluorescent tube having a straight tube type fluorescent tube as an illumination tube, and prevents the fluorescent tube from dropping from the socket of the fluorescent tube body. A fluorescent tube fall prevention device for a straight tube type fluorescent lamp, the fluorescent tube holding member having a substantially U-shaped cross section in which the opening portion is inserted so as to straddle the base of the fluorescent tube end portion and the both members are held therebetween, and the fluorescent tube A socket support member branched from the central portion of the clamping member and pressing the end of the socket in the direction of the fluorescent tube is integrally connected.

  Here, as the `` straight tube type fluorescent tube '' to be attached to the fluorescent tube fall prevention device of the present invention, the fluorescent tube is a linear fluorescent tube, and a base attached to both ends of the fluorescent tube, As long as it has an electrode pin fixed to the side of the base, as a fluorescent tube type, in addition to the existing type, a so-called LED type fluorescent light in which a plurality of LED elements and its control circuit are built in as a light source. It may be of a light type.

  In addition, the starter method of the “fluorescent lamp body” to which the straight tube type lighting tube is attached may be of any type as long as both ends of the straight tube type fluorescent lamp can be supported by sockets. Any of a glow type, a rapid type, and an inverter type may be used.

  The “fluorescent tube fall prevention device” of the present invention adopts the above-mentioned configuration. In short, in addition to sandwiching the base of the fluorescent tube end and the socket from both sides, the outer surface of the socket is pressed in the direction of the fluorescent tube. In other words, “three-point simultaneous clamping” is used as a basic configuration, and it is possible to mount from the outside without requiring any improvement of the fluorescent lamp body.

  As a specific example of the former “holding both ends of the cap and socket at the end of the fluorescent tube”, the fluorescent tube holding member has an opening whose inner width dimension is smaller than the outer diameter of the fluorescent tube and from the center (so-called flange). A space between the opening and the opening is preferably a cantilevered elastic supporting piece having a central portion as a supporting portion. Examples of such a material include a metal plate having elasticity.

  The latter “socket support member that presses the outer surface of the socket in the direction of the fluorescent tube” may be branched from the vicinity of the opening, but the U-shaped fluorescent tube holding member may be branched. It is effective to branch from the center.

  As a material of the fluorescent tube fall prevention device, a synthetic resin plate material may be used in addition to an elastic metal plate material. Further, in order to enhance the decorativeness of the fluorescent tube fall prevention device, a surface of an elastic metal plate material covered with a transparent synthetic resin material or rubber material may be used. Coloring may be applied to indicate the product number. Even if the fluorescent tube fall prevention device is made of a metal plate, there is no problem because the socket surface and the base surface are electrically insulated.

  The shape of the fluorescent tube fall prevention device of the present invention is not limited to the plate-like member, and a cavity having such a shape can be used as long as a pressing force that realizes the “three-point simultaneous clamping” is generated at the time of mounting. It may be a block-like synthetic resin material or rubber material provided inside.

  According to the fluorescent tube fall prevention device of the straight tube type fluorescent lamp according to claim 1, the opening portion of the fluorescent tube holding member having a substantially U-shaped cross section is inserted so as to straddle the base of the fluorescent tube end portion. Since the pressing force acts in both directions while holding the tube at the same time, the rotation of the fluorescent tube with respect to the socket (relative rotation) is prevented, and the fluorescent tube is surely dropped when the socket structure is "turn-in type" Can be prevented.

  Further, since the socket support member always presses the outer surface of the socket in the direction of the fluorescent tube, it is possible to reliably prevent the fluorescent tube from dropping when the socket structure is the “butting type”.

  Further, since the fluorescent tube clamping member and the socket support member are integrally connected, the fluorescent tube is prevented from rotating with respect to the socket at the same time as being attached to the fluorescent tube end, and the socket is reliably pressed in the fluorescent tube direction. Is achieved at the same time, and the fluorescent tube is reliably prevented from falling regardless of the type of the socket structure.

  Thus, the fluorescent tube fall prevention device of the present invention does not require any improvement of the fluorescent lamp body as in the prior art, and is attached to an existing fluorescent lamp from the outside as needed, so that it is simple. And the said effect is acquired at low cost.

  According to the fluorescent tube fall prevention device of the straight tube type fluorescent lamp according to claim 2, in addition to the effect of the fluorescent tube fall prevention device according to claim 1, the fluorescent tube holding member has an inner width dimension of the opening. Since the outer diameter of the tube is narrower and the space from the center of the fluorescent tube clamping member to the opening is a cantilevered elastic support piece with the central portion as a support portion, a fluorescent tube socket Accordingly, it is possible to reliably prevent the fluorescent tube from falling.

  According to the fluorescent tube fall prevention device of the straight tube type fluorescent lamp according to claim 3, in addition to the effect of the fluorescent tube fall prevention device according to claim 1 or 2, the material of the fluorescent tube fall prevention device is made of metal. Alternatively, since the synthetic resin material is coated on the metal surface, the fluorescent tube can be more reliably prevented from falling.

  According to the fluorescent tube fall prevention device of the straight tube type fluorescent lamp according to claim 4, in addition to the effect of the fluorescent tube fall prevention device according to claim 3, the material of the fluorescent tube fall prevention device is a transparent synthetic resin material. Therefore, the illuminance from the fluorescent tube is not lowered, and the decoration is excellent.

It is drawing of the fluorescent tube fall prevention tool based on this invention used for the fluorescent lamp main body of the attachment type to the socket of a fluorescent tube, and FIG. 1 (a) is a whole perspective view, FIG. FIG. 1B is a left side view, FIG. 1C is a front view, and FIG. 1D is a bottom view. It is a front view of the example of mounting | wearing of the fluorescent tube fall prevention tool of FIG. It is drawing of the fluorescent tube fall prevention tool based on this invention used for the "butt type" type fluorescent lamp main body, among these, Fig.3 (a) is a whole perspective view, FIG.3 (b) is a left view, figure 3 (c) is a front view and FIG. 3 (d) is a bottom view. FIG. 4 is a drawing of a fluorescent tube fall prevention device according to the present invention in a mode different from FIGS. 1 and 3, in which FIG. 4 (a) is an overall perspective view, FIG. 4 (b) is a left side view, and FIG. ) Is a front view, and FIG. 4D is a bottom view. It is a front view of the example of mounting | wearing of the fluorescent tube fall prevention tool of FIG.

DESCRIPTION OF SYMBOLS 1, 4 Fluorescent tube clamping member 1a, 1b Clamping piece 1c Opening part 1d Center part 1e Branch part 2, 3, 5 Socket support member 10, 20, 30 Fluorescent tube fall prevention tool (this invention)
40 fluorescent tube 41 base 42 socket 43 fluorescent lamp body

  Hereinafter, the form of the fluorescent tube fall prevention tool of the straight tube type fluorescent lamp according to the present invention will be described with reference to the drawings.

Embodiment 1

  FIG. 1 is a diagram of a fluorescent tube fall prevention device according to the present invention used for a fluorescent lamp main body of a “turn-in type” type in which a fluorescent tube is attached to a socket, and FIG. ) Is an overall perspective view, FIG. 1B is a left side view, FIG. 1C is a front view, and FIG. 1D is a bottom view.

  As shown in FIG. 1 (a), a fluorescent tube fall prevention device 10 according to the present invention comprises a fluorescent tube holding member 1 and a socket support member 2 that are integrally connected.

  The fluorescent tube holding member 1 is composed of a pair of holding pieces 1a and 1b, and the openings 1c of both pieces 1a and 1b are inserted so as to straddle the base 41 at the end of the fluorescent tube 40, thereby holding both members simultaneously. As shown in FIG. 1B, a plate-like member having a substantially U-shaped cross section.

  That is, the opening 1 c is open in a trumpet shape with a radius r to facilitate insertion into the base 41, and the opening width A is reduced to about 0.7 to 0.8 times the outer diameter D of the base 41. It has been.

  Further, the inner peripheral surface of the central portion 1d is larger than the outer diameter D of the base 41 so that a clamping force for always clamping the base 41 from both sides acts when the fluorescent tube clamping member 1 is inserted into the base 41. It is formed in an arc shape so as to be a part of a circle having a slightly smaller inner diameter d.

  Further, the plate width W1 in the tube axis direction shown in FIG. 1C is equal to or less than the width W3 in the axial direction of the base 41 of the fluorescent tube 40 (see FIG. 2).

  On the other hand, the socket support member 2 is a member for always pressing the outer surface 42a (see FIG. 2) of the socket 42 in the direction of the fluorescent tube 40 after the fluorescent tube drop preventing device 10 is mounted. 1 (c), one end is branched from the central portion 1e of the fluorescent tube holding member 1, and the arm length L to the bent portion 1f is the axial length B2 of the socket 42 (see FIG. 2). ) Is extended horizontally (L> B2) and then bent upward at the bent portion 1f.

  Then, after the other end portion extends closer to the fluorescent tube holding member 1 until the gap B between the fluorescent tube holding member 1 and the socket-side end surface 1g becomes shorter than the axial length B2 of the socket 42 ( B <B2) After the R portion is formed so that the socket support member 2 can be easily inserted along the outer surface 42a of the socket 42, the socket support member 2 is bent outward.

  In the present embodiment, the fluorescent tube clamping member 1 and the socket support member 2 are not particularly limited, but for a 40 W straight tube fluorescent lamp use, a SUS304 thin steel plate having a thickness of 0.8 mm is used. Is integrally formed by press molding so that the plate width (W1) of the fluorescent tube holding member 1 is 10 mm and the plate width (W2) of the socket support member 2 is 10 mm, and the total weight per piece is 8 g. Light weight. In addition, both the members 1 and 2 are not limited to integral molding, but may be configured as separate members and integrated with appropriate fastening means such as welding, bolts, nuts, and rivets.

  Next, FIG. 2 is a front view of a state in which the fluorescent tube fall prevention device 10 of the present embodiment is mounted on a “turn-in type” type fluorescent lamp main body 43.

  The state shown in the figure is a state in which the fluorescent tube 40 is turned and attached to the socket 42 at the right end portion of the fluorescent tube 40. To attach the fluorescent tube fall prevention device 10 of this embodiment to this, First, the operator grasps the outer peripheral surface of the fluorescent tube holding member 1 with the thumb and index finger of the right hand, and the opening A of the fluorescent tube holding member 1 is formed on the outer peripheral surface of the base 41 of the fluorescent tube 40 from below, while the socket support member 2 is held. After aligning so that the gap B with the fluorescent tube clamping member 1 is positioned on the lower surface of the socket 42, the entire fluorescent tube fall prevention tool 10 is pushed in the direction of the fluorescent lamp body 43 at a stretch.

  Then, the fluorescent tube holding member 1 holds the base 41 from both sides, and the socket support member 2 pushes the socket 42 from the outer surface 42a toward the electrode pin (not shown) of the fluorescent tube 40. The same applies to the left end portion of the fluorescent tube 40.

  Therefore, the base 41 of the fluorescent tube 40 is prevented from rotating relative to the socket 42 by the clamping operation of the fluorescent tube clamping member 1, so that the fluorescent tube 40 is prevented from dropping from the socket 42. Further, since the socket 42 is constantly pressed in the direction of the fluorescent tube 40 from the outer surface 42a by the socket support member 2, electrical contact between the electrode pin of the fluorescent tube 40 and the electrode pin receiving hole (not shown) of the socket 42 is performed. Also gets better.

  Also, the fluorescent tube fall prevention device 10 itself is very lightweight as described above, so that there is no risk of dropping, and after mounting, both sides of the socket 42 are connected to the socket side end surface of the fluorescent tube holding member 1. Since 1g and the socket support member 2 are always clamped, it does not fall from the socket 42 by the frictional force.

  Thus, the fluorescent tube fall prevention device 10 of the present embodiment can reliably and easily prevent the fluorescent tube 40 from being dropped from the fluorescent lamp main body 43 without modifying the existing fluorescent lamp main body 43 at all. It can be done.

Embodiment 2

  Next, FIG. 3 is a drawing in a state before mounting of the fluorescent tube fall prevention device 20 according to the present invention used in the fluorescent lamp main body 43 of the type in which the fluorescent tube 40 is mounted on the socket 42. 3 (a) is an overall perspective view, FIG. 3 (b) is a left side view, FIG. 3 (c) is a front view, and FIG. 3 (d) is a bottom view. In these drawings, the same reference numerals as those in FIG. 1 are the same as those in FIG.

  The configuration of the fluorescent tube fall prevention device 20 of the present embodiment is almost the same as that of the fluorescent tube fall prevention device 10 of the first embodiment, but differs from that of the first embodiment in that it is a “butt-type” type socket structure. Since the electrode pin receiving hole (not shown) of the socket 42 moves in the direction of the tube axis, as shown in FIG. 3C, the arm length L1 of the socket support member is increased accordingly, and the socket support member The gap B1 with the fluorescent tube clamping member 1 of 3 is also wide.

  Specifically, although depending on the rating of the fluorescent tube 40, the dimensions B1 and C1 of the present embodiment are about 5 to 10 mm longer than those of the first embodiment.

  The mounting method of the fluorescent tube fall prevention device 20 of the present embodiment in which the fluorescent lamp main body 43 is a “butt type” type is basically the same as that of the first embodiment.

  According to the fluorescent tube fall prevention device 20 of the present embodiment, even if the socket 42 is opened in a “C” shape and inclined outwardly by repeatedly pushing the fluorescent tube 40 into the electrode pin receiving hole, The socket support member 3 pushes the outer surface 42a of the socket 42 in the direction of the fluorescent tube 40 when the fluorescent tube fall prevention device 20 is mounted, and this state is maintained even after the mounting, so that the fluorescent tube 40 can be reliably dropped from the socket 42. This can be easily prevented.

Embodiment 3

  FIG. 4 is a drawing of the fluorescent tube fall prevention device 30 according to the present invention, which is different from the prevention devices of Embodiments 1 and 2 only, and similarly, FIG. 4 (a) is an overall perspective view and FIG. b) is a left side view, FIG. 4C is a front view, and FIG. 4D is a bottom view. Note that the method of attaching the fluorescent tube fall prevention device 30 to the socket 42 of this embodiment is applicable to both the “turn-in type” type of the first embodiment and the “butting type” type of the second embodiment. .

  The fluorescent tube fall prevention device 30 of the present embodiment is structurally different from the fluorescent tube fall prevention device 10 of the first embodiment in that the materials of the first and second embodiments are both made of metal. The present embodiment is that the surface of the metallic fluorescent tube fall prevention device 10 described in the first embodiment is covered with a synthetic resin material, a rubber material, or the like having a thickness of about 1 mm to 2 mm.

  As the synthetic resin material, for example, a non-conductive material such as an epoxy resin, a polyester resin, a vinyl chloride resin, and a urea resin can be used.

  Further, as a core material, the metal fluorescent tube fall prevention device 10 may not be used, and the fall prevention device may be constituted only by a synthetic resin material, a rubber material, or the like that requires the above-described elasticity to exert the clamping force.

  Also with the fluorescent tube fall prevention device 30 of the present embodiment, it is possible to obtain the same effects as the fall prevention devices 10 and 20 of the first and second embodiments. Moreover, if the fall prevention tool 30 of this embodiment is comprised with a rubber material, since the clamping force with respect to the socket 42 and the nozzle | cap | die 41 can be raised with the frictional force, the fall prevention effect can be further heightened. .

  For example, when a transparent material is used as the synthetic resin material, the fluorescent tube fall prevention tool 30 can transmit light emitted from the fluorescent tube 40, and a reduction in illuminance can be prevented. Furthermore, if a synthetic resin material, a rubber material, or the like is colored for identification, the commercial value can be increased.

  As described above, in Embodiments 1 to 3, the forms of the fluorescent tube fall prevention devices 10, 20, and 30 of the straight tube fluorescent lamp according to the present invention have been described. However, the present invention is not limited to these embodiments, and various modifications are possible. Take an example.

  For example, the socket support members 2, 3, and 5 of Embodiments 1 to 3 are all of the type branched from the central portion 1 e of the fluorescent tube sandwiching members 1 and 4. 5 may be branched from a portion other than the central portion 1e as long as the socket 42 can be pressed from the outer surface 42a in the direction of the fluorescent tube.

  Moreover, although the socket support members 1 and 4 of the said Embodiments 1-3 clamped only the outer peripheral surface of the nozzle | cap | die 41 of the fluorescent tube 40, the width W1 of the tube support direction of the socket support members 1 and 4 is set. By increasing the length, the outer peripheral surface of the socket 42 may be held at the same time, and such a modification is naturally included in the scope of the present invention.

Claims (4)

Fluorescent tube fall prevention device for straight tube type fluorescent lamps that is located at the end of a fluorescent tube of a straight tube type fluorescent lamp that uses a straight tube type fluorescent tube as an illumination tube and prevents the fluorescent tube from falling from the socket of the fluorescent lamp body Because
A fluorescent tube sandwiching member having a substantially U-shaped cross section that sandwiches both members by inserting the opening so as to straddle the base of the fluorescent tube end; and
A socket support member branched from the fluorescent tube sandwiching member and pressing the end of the socket in the fluorescent tube direction;
A fluorescent tube fall prevention device for a straight tube type fluorescent lamp characterized by being integrally connected. In the fluorescent tube fall prevention device of the straight tube type fluorescent lamp according to claim 1,
The fluorescent tube clamping member has an inner width dimension of the opening narrower than the outer diameter of the fluorescent tube, and
A fluorescent tube drop of a straight tube type fluorescent lamp characterized in that a space between the central portion of the fluorescent tube clamping member and the opening portion is a cantilevered elastic support piece having the central portion as a support portion. Prevention tool. In the fluorescent tube fall prevention tool of the straight tube | pipe type fluorescent lamp of Claim 1 or Claim 2,
The fluorescent tube fall prevention device for a straight tube fluorescent lamp, wherein the fluorescent tube fall prevention device is made of metal or a metal surface covered with a synthetic resin material. In the fluorescent tube fall prevention device of the straight tube type fluorescent lamp according to claim 3,
The fluorescent tube fall prevention device for a straight tube fluorescent lamp, wherein the synthetic resin material is a transparent body.

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