JP2776015B2 - Fluorescent lamp equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial application field) The present invention attaches a fluorescent lamp and a lighting circuit component to an envelope or a device main body, and one end of the envelope or the device main body. The present invention relates to a single-base fluorescent lamp device provided with a screw-in (E-type) base.

(Prior Art) Recently, Japanese Utility Model Publication No. 57-41242 and Japanese Patent Publication No. 57-39516
As shown in Japanese Patent Application Laid-Open Publication No. H10-133, an envelope having a screw-type base for an incandescent lamp attached to one end, that is, a bent fluorescent light such as a U-shaped, a W-shaped, or a saddle-shaped light inside a device body. Fluorescent lamp devices equipped with lamps and ballasts or high-frequency lighting circuit components have been developed. This type of fluorescent lamp device has a threaded base at one end, which can be mounted in place of a socket incandescent bulb, which was conventionally configured for mounting an incandescent bulb. In addition, this type of fluorescent lamp device is advantageous as an energy-saving light source because of low power consumption, and is rapidly spreading.

By the way, this type of fluorescent lamp device employs the following structure when a screw-type base is attached to an end of the device main body.

That is, in the case of the fluorescent lamp device described in the former Japanese Utility Model Application Laid-Open No. Sho 57-41242, as shown in FIG.
A cylindrical portion 71 is formed at one end of 70, and a spiral groove 72 is provided on the outer peripheral surface of the cylindrical portion 71. Screw-in type cap on this cylindrical part 71
75 is screwed. Then, since the base 75 is loosened only by screwing, in order to prevent detachment due to the loosening, the side wall near the opening of the base 75 is pressed with a punch to be recessed, and the recesses 76, 76 are formed on the outer surface of the cylindrical portion 71. Engaging recess 7 formed in
3, 73 to be locked.

In the case of the latter fluorescent lamp device disclosed in Japanese Patent Publication No. 57-39516, a cylindrical portion that penetrates the cover is provided integrally at the end of the chassis, and a spiral groove is formed on the outer peripheral surface of the cylindrical portion. An engagement groove formed and extending along the axial direction is provided. Then, a screw-type base is screwed over the cylindrical part, and the opening of the base is pressed with a punch to form a recess. The recess is inserted into the engaging groove of the cylindrical part and engaged with the base to loosen the base. Is to be prevented.

Therefore, since the fixing structure of the base such as the former and the latter is fixed to the cylindrical portion by denting and deforming the base, it is not necessary to use a special adhesive, and the mounting work is efficiently performed. There are advantages such as being able to do it.

By the way, a lead wire led from a lamp or a lighting circuit component attached to the apparatus main body is connected to such a base by soldering. in this case,
The tip of the lead wire is guided to the outer surface side from the opening end of the base,
The tip of this lead wire is attached to the outer surface of the base and soldered.

(Problems to be Solved by the Invention) However, in the case of the former publication, there is no description about the joining structure of the lead wires, and the tip of the lead wire is temporarily connected to the base 75.
If the lead wire is led out to the outer surface side from the opening end of the lead and soldered with the tip of the lead wire attached to the outer surface of the base, the lead wire and the solder protrude outside the outer surface of the base 75, and this protrusion is When the 75 is screwed into a socket (not shown), it may hit the socket-side receiver and hinder the entry of the base 75.

In such a case, the base 75 cannot be inserted to the predetermined depth of the socket, causing poor electrical contact, causing non-lighting, and a possibility that the lamp device may fall due to poor mechanical screwing. .

Also, in such a connection structure, the lead wire protrudes from the outer surface of the base 75, so that when the base 75 is screwed into or removed from the socket, the lead wire rubs against the socket base and the lead wire is disconnected. There is also a fear that it will occur.

On the other hand, in the case of the latter publication as well, similarly, if the end of the lead wire is led out from the opening end of the base to the outer surface side, and the end of this lead wire is attached to the outer surface of the base, it is attempted to solder,
The lead wire and the solder protrude outside the outer surface of the base. For this reason, in this case, the same drawbacks as in the former case occur.

The present invention has been made based on such circumstances,
An object of the present invention is to provide a fluorescent lamp device capable of preventing lead wires and solder from protruding from the outer surface of a base, and preventing problems such as poor mounting to a socket and poor electrical contact. Is what you do.

[Structure of the Invention] (Means for Solving the Problems) In order to achieve the above object, an invention according to claim 1 includes an envelope that is at least partially transparent, and is housed in the envelope. A lighting lamp, a lighting circuit component that is housed in the envelope and lights the fluorescent lamp, a cylindrical portion having a lead wire introduction hole provided at one end of the envelope, The portion corresponding to the introduction hole is deformed into a concave shape to form a concave portion, the concave portion is fixed to the cylindrical portion, and one end of a lead wire connected to the lamp or lighting circuit component is And a screw-type base mounted on the cylindrical portion while being guided by the concave portion and soldered to an outer surface inside the concave portion.

The invention according to claim 2 is characterized in that the cylindrical portion has an opening at the top and a notch groove continuous with the opening, and the introduction hole is continuous with the notch groove. The fluorescent lamp device according to claim 1.

According to a third aspect of the present invention, there is provided an envelope which is at least partially translucent, a fluorescent lamp accommodated in the envelope, and a lighting which is accommodated in the envelope and turns on the fluorescent lamp. A circuit part; a cylindrical portion provided at one end of the envelope; and an open end deformed into a concave shape to form a concave portion, whereby the concave portion is fixed to the cylindrical portion, and the lamp or lighting circuit is provided. And a screw-type base mounted on the cylindrical portion in a state where one end of a lead wire connected to the component is guided to the concave portion and soldered to an outer surface inside the concave portion. It is a fluorescent lamp device characterized by the above.

According to a fourth aspect of the present invention, at least a part of the envelope is translucent; a cylindrical portion provided at one end of the envelope; a screw-type base attached to the cylindrical portion; A fluorescent lamp housed in a vessel, and a lighting circuit part housed in the envelope and lighting the fluorescent lamp, wherein the screw-type base has an open end. The concave portion is deformed into a concave shape to form a concave portion, the concave portion is fixed to the cylindrical portion, and one end of a lead wire connected to the lamp or lighting circuit component is connected to the concave portion on the outer surface of the base. And the inside of the recess is soldered to the outer surface of the base.

According to a fifth aspect of the present invention, there is provided a fluorescent lamp, a lighting circuit part for mounting the fluorescent lamp on one end and lighting the fluorescent lamp therein, a cylindrical portion on the other end side, and a mounting portion mounted on the cylindrical portion. The opening end is deformed into a concave shape to form a concave portion and is fixed to the cylindrical portion, and one end of a lead wire connected to the lamp or the lighting circuit component is guided to the concave portion to be guided. And a device main body having a screw-type base soldered to an outer surface inside the concave portion.

According to a sixth aspect of the present invention, there is provided an apparatus body having a cylindrical portion having a screw-type base mounted at one end thereof and a lighting circuit component housed therein, and mounted at the other end of the device body and lit by the lighting circuit component. A fluorescent lamp device comprising: a screw-type base having an opening end deformed into a concave shape to form a concave portion, the concave portion being fixed to the cylindrical portion; A fluorescent lamp device wherein one end of a lead wire connected to the lamp or the lighting circuit component is guided to the recess on the outer surface of the base and soldered to the outer surface of the base at the recess. It is.

The invention according to claim 7 is the fluorescent lamp device according to claim 5 or 6, wherein the fluorescent lamp device is covered with a translucent glove.

The invention according to claim 8 is the fluorescent lamp device according to any one of claims 1 to 7, wherein the recess is formed by caulking.

(Operation) According to the first aspect of the present invention, since the recess for fixing the base is formed so as to enter the introduction hole, the base is securely fixed and the recess can be formed relatively easily. The performance is improved. In addition, since the concave portion is formed at a portion corresponding to the introduction hole, it is not necessary to largely route the lead wire drawn out from the introduction hole and make a solder connection. Furthermore, since the lead light is used to form the recess,
There is no need to separately provide a hole for forming a concave portion in the cylindrical portion, and the mold for forming the cylindrical portion can be simplified.

Further, according to the second aspect of the present invention, the work of wiring the lead wire can be performed only by drawing out the lead wire from the top opening of the cylindrical portion and bending the lead wire to the introduction hole through the cutout groove.

According to the invention having the above configuration, claims 3 to 7 are provided.
In any of the claims, a lead wire is guided to a concave portion formed for fixing the screw-type die to the cylindrical portion, and this lead wire is connected to the concave portion using solder. Are located in the recesses, so that these lead wires and solder do not protrude outward from the outer surface of the base, or even if they protrude, the degree of protrusion is small.

Therefore, when the base is attached to the socket, the lead wire and the solder do not interfere, and problems such as poor screwing and poor electrical contact can be prevented.

Also, since the solder is injected into the recess, the solder does not spread,
Further, the solder securely joins the end of the lead wire and the base.

According to the eighth aspect of the present invention, the recess can be easily formed by swaging.

(Example) Hereinafter, the present invention will be described based on a first example shown in Figs. 1 to 5.

First, the overall configuration of the fluorescent lamp device will be described with reference to FIG. 5. In FIG. 5, reference numeral 1 denotes an envelope, which is connected to a synthetic resin or metal cover 2 and an open end of the cover 1. And a translucent globe 3. The inner space surrounded by the cover 2 and the globe 3 is partitioned by a partition 4. Note that the cover 2, the glove 3, and the partition 4 are joined by an adhesive 5.

A synthetic resin chassis 6 is accommodated in a space surrounded by the cover 2 and the partition 4, and a ballast 8 as a lighting circuit component is held in the chassis 6. At the other end of the chassis 6, a screw-type base 7 is attached. The mounting structure of the base 7 will be described later.

A fluorescent lamp, for example, a bent fluorescent lamp 9 is mounted in a space surrounded by the glove 3 and the partition plate 4. The bent fluorescent lamp 9 may be U-shaped, W-shaped, or the like. In this embodiment, the arc tube bulb 10 formed of a U-shaped glass tube is substantially b-shaped as shown in FIG. A bent fluorescent lamp formed by bending in a letter shape is used. Each end of the fluorescent lamp 9 has an electrode
11 is sealed, and a phosphor film 12 is formed on the inner surface.

Both ends of such a bent fluorescent lamp 9 are inserted into insertion holes 13 formed in the partition 4 and are fixed to the partition 4 by an adhesive (not shown).

A cylindrical portion 15 is integrally provided on the chassis 6 so as to protrude therefrom. As shown in FIGS. 1 to 4, the cylindrical portion 15 has a spiral groove 16 formed on the outer peripheral surface thereof, and a pair of engaging grooves 17 along the axial direction is formed on the outer surface of the wall on which the spiral groove 16 is formed. , 17 are formed at symmetrical positions.

A flange portion 18 is formed integrally with the chassis 6 at the base of the cylindrical portion 15, and the flange portion 18 supports the top of the cover 2. An insertion hole 19 through which the cylindrical portion 15 passes is formed at the top of the cover 2, and the engagement grooves 17, 17 are formed in the inner peripheral surface of the insertion hole 19.
A protrusion 20 is formed to be fitted in and stopped from rotating.

A ring member 21 is fitted into the base of the cylindrical portion 15, and a locking projection which is also fitted in the engagement grooves 17, 17 on the inner peripheral surface of the ring member 21 and is prevented from rotating. 22 and 22 are formed.

Therefore, the cover 2 is put on the cylindrical portion 15, the protrusion 20 formed in the insertion hole 19 is locked in the engaging grooves 17, 17, the cover 1 is supported on the flange portion 18, and a ring is attached to the cylindrical portion 15. The member 21 is put on the cover 2 so as to cover it, and the locking projections 22, 22 of the ring member 21 are engaged with the engaging grooves 17, 17 to prevent rotation.

The base 7 is covered on such a cylindrical portion 15.

The base 7 includes a base body 25 having a threaded portion and an eyelet terminal 26 joined to the base body 25 via an insulator 24.

The base 7 is covered with the cylindrical portion 15 such that the screw portion of the base body 25 is screwed into the spiral groove 16 of the cylindrical portion 15.

The base 7 is connected to lead wires 27a and 27b led from the ballast 8 and the fluorescent lamp 9.

In this case, one lead wire 27a is soldered 33 to the open end of the base body 25, and the other lead wire 27b is soldered to the eyelet terminal 26.

The joint structure between the one lead wire 27a and the base body 25 will be described in more detail.

That is, an introduction hole 29 is formed in the flange portion 18 of the chassis 6 so as to be continuous with the engagement groove 17 of the cylindrical portion 15, and the one lead wire 27a is connected to the introduction hole 29 as shown in FIG. From the upper surface of the ring member 21 and the opening end of the base body 25.

In such a state, as shown in FIG.
The outer surface of the open end is pressed by a punch 31 to be deformed, and a concave portion 30 is formed therein. The recess 30 is provided in the engagement groove 17 of the cylindrical portion 15.
Therefore, the recess 30 is engaged with the engagement groove 17. As a result, the base 7 is prevented from rotating. That is, in addition to being screwed into the spiral groove 16 of the cylindrical portion 15, the base 7 is prevented from rotating by engaging the concave portion 30 with the engaging groove 17, so that the base 7 can slip out of the cylindrical portion 15. This is prevented, and the cylindrical part 15 is securely fixed.

In this case, the ring member 21 is pressed by the opening end of the base 7, so that the ring member 21 is also prevented from being pulled out from the cylindrical portion 15 in the axial direction. Therefore, it is prevented from being pulled out from the cylindrical portion 15 in the axial direction.

In this state, the one lead wire 27a is cut into a predetermined length, and is pushed into the recess 30 from outside the recess 30.

In this state, the solder 33 is injected into the recess 30 from outside. As a result, one of the lead wires 27a is soldered to the concave portion 30, and is thus joined to the opening of the base body 25.

According to the embodiment having such a configuration, the base 7 is provided with the cylindrical portion 15.
Since it is screwed into the spiral groove 16, it is screw-engaged with the cylindrical portion 15, and the opening of the base body 25 is deformed to form a concave portion 30, and since the concave portion 30 is engaged with the engaging groove 17, You will be stopped. Therefore, the base 7 does not come out of the cylindrical portion 15 and is securely fixed.

As shown in FIG. 4, the end of one lead wire 27a is guided to the recess 30 from the outside of the recess 30, and is joined to the recess 30 by the solder 33 injected into the recess 30. Therefore, the end of the lead wire 27a and the solder 33 are located in the recess 30 and are prevented from protruding outside from the outer surface of the base body 25. Further, even if the end of the lead wire 27a and the solder 33 protrude, the amount of protrusion is small.

For this reason, when inserting the base 7 into the socket,
27a and the solder 33 do not hit the socket-side receiving member, and do not hinder the insertion of the base 7. Therefore, the base 7 can be inserted to a predetermined depth of the socket, and secure screwing can be performed, thereby enabling reliable electrical contact.

Also, when screwing or removing the base 7 to the socket,
Problems such as the lead wire 27a rubbing against the socket receiver and breaking the lead wire can also be prevented.

Further, since the concave portion 30 is formed at the opening end of the base 7, the positioning of the lead wire 27a guided to the concave portion 30 becomes easy.

Since the solder 33 is injected into the concave portion 30, the solder 33 does not spread, so that the solder 33 securely joins the end of the lead wire 27a to the base 7, and the amount of the solder 33 used can be reduced.

In the base body 25 opposite to the recess 30 to which the lead wire 27a is soldered, another recess for preventing the base 7 from rotating is formed, and this recess is engaged with the other engagement groove 17. May be caused. At this time, it is rare that the base body 25 is pushed and broken by the punch, but in such a case, if the concave portion is filled with solder, not only the damaged portion is hidden but also the reinforcement is made. , The base can be securely fixed.

The present invention is not limited to the first embodiment.

That is, in the case of the first embodiment, one of the lead wires 27a
Is an introduction hole formed in the flange portion 18 as shown in FIG.
The guide 29 is guided to the engaging groove 17 and further guided to the outside through the space between the upper surface of the ring member 21 and the opening end of the base body 25. The present invention is different from the second embodiment shown in FIG. A notch groove extending in the axial direction at the opening end on the distal end side of the cylindrical portion 15 as shown in FIG.
50, and the lead wire 27a is engaged with the engagement groove 1 through the notch groove 50.
7, and further to the outside through the space between the upper surface of the ring member 21 and the opening of the base body 25.
a may be guided to the recess 30.

The lighting circuit components are not limited to ballasts, and can be implemented using high-frequency lighting circuit components.

Furthermore, the present invention is not limited to the refractive fluorescent lamp,
It may be a linear fluorescent lamp.

And the globe 3 covering the lamp 9 may or may not be provided.

[Effect of the Invention] According to the first aspect of the present invention, since the concave portion for fixing the base is formed so as to enter the introduction hole, the base is securely fixed and the workability of forming the concave portion is improved. Further, since the concave portion is formed at a portion corresponding to the introduction hole, it is not necessary to route the lead wire largely and perform solder connection, thereby facilitating the wiring operation. Further, since the lead hole is used to form the concave portion, it is not necessary to separately provide a concave portion forming hole in the cylindrical portion, and the mold for forming the cylindrical portion can be simplified.

According to the second aspect of the present invention, the work of wiring the lead wire can be improved only by pulling out the lead wire from the top opening of the cylindrical portion and bending the lead wire to the introduction hole via the cutout groove.

According to the invention as set forth in claims 3 to 7, the lead wire is guided to the concave portion formed for fixing the screw-type die to the cylindrical portion, and this lead wire is connected to the concave portion using solder. Are located in the recesses, and it is possible to suppress the lead wires and the solder from protruding significantly from the outer surface of the base.

Therefore, when the base is attached to the socket, the lead wire and the solder do not interfere, and problems such as poor screwing and poor electrical contact can be prevented.

Also, since a concave portion is formed in the opening of the base and the solder is injected into the concave portion, the solder does not spread, and the solder securely connects the end of the lead wire and the base.

According to the eighth aspect of the present invention, since the concave portion is formed by caulking, the concave portion can be easily formed.

[Brief description of the drawings]

1 to 5 show a first embodiment of the present invention. FIG. 1 is an exploded perspective view of a base portion, FIGS. 2 to 4 are sectional views showing the order of assembly, and FIG. FIG. 6 is a cross-sectional view of a base portion showing a second embodiment of the present invention, and FIG. 7 is a cross-sectional view showing a base portion of a conventional fluorescent lamp device. 2 ... cover, 3 ... glove, 6 ... chassis, 7 ...
… Base, 9… Fluorescent lamp, 15 …… Cylindrical part, 16 …… Spiral groove, 17 …… Lock groove, 25 …… Base body, 26 …… Eylet terminal, 27a, 27b …… Lead wire, 30 ... recess, 33 ... solder.

Claims (8)

(57) [Claims] 1. An envelope which is at least partially translucent, a fluorescent lamp accommodated in the envelope, and a lighting circuit component which is accommodated in the envelope and lights the fluorescent lamp. And a cylindrical portion having a lead wire introduction hole provided at one end of the envelope, and a portion corresponding to the introduction hole of the cylindrical portion is deformed into a concave shape to form a concave portion. One end of a lead wire fixed to the cylindrical portion and connected to the lamp or the lighting circuit component is mounted on the cylindrical portion in a state where it is guided to the concave portion and soldered to the outer surface inside the concave portion. And a screw-type base. 2. The cylinder according to claim 1, wherein the cylindrical portion has an opening at the top and a notch groove continuous with the opening, and the introduction hole is continuous with the notch groove. Fluorescent lamp device. 3. An envelope that is at least partially translucent, a fluorescent lamp accommodated in the envelope, and a lighting circuit component that is accommodated in the envelope and turns on the fluorescent lamp. A cylindrical portion provided at one end of the envelope; and an open end deformed into a concave shape to form a concave portion, whereby the concave portion is fixed to the cylindrical portion, and the lamp or the lighting circuit component is formed. A leading end of one of the connected lead wires is screwed into the cylindrical portion while being guided to the concave portion and soldered in the concave portion. And fluorescent lamp device. 4. An envelope that is at least partially translucent, a cylindrical portion provided at one end of the envelope, a screw-type die attached to the cylindrical portion, A fluorescent lamp device comprising: a housed fluorescent lamp; and a lighting circuit component housed in the envelope, which lights the fluorescent lamp. The screw-type base has a concave opening end. The concave portion is fixed to the cylindrical portion by being formed into a concave portion, and one end of a lead wire connected to the lamp or the lighting circuit component is connected to the concave portion on the outer surface of the base. A fluorescent lamp device which is guided and soldered in the recess. 5. A fluorescent lamp, a lighting circuit part for mounting the fluorescent lamp on one end and lighting the fluorescent lamp therein, and a cylindrical portion on the other end side, and an opening mounted on the cylindrical portion. One end of a lead wire connected to the lamp or the lighting circuit component is led to the concave portion, and the concave portion is fixed to the cylindrical portion by forming the concave portion at the end. And a device main body having a screw-type base soldered therein. 6. A device body having a cylindrical portion having a screw-in base mounted on one end and containing a lighting circuit component therein, and a key mounted on the other end of the device body and lit by the lighting circuit component. In a fluorescent lamp device comprising: a light lamp, wherein the screw-type base has an opening end deformed into a concave shape to form a concave portion, and the concave portion is fixed to the cylindrical portion; A fluorescent lamp device, wherein one end of a lead wire connected to a lamp or a lighting circuit component is guided to the recess on the outer surface of the base and soldered to the recess. 7. The fluorescent lamp device according to claim 5, wherein the fluorescent lamp device is covered with a translucent glove. 8. The fluorescent lamp device according to claim 1, wherein said recess is formed by caulking.