JP3243320B2 - Lighting equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting device having lamps mounted on electric wires at appropriate intervals.

[0002]

2. Description of the Related Art Conventionally, in this type of lighting device,
(A) Solder the terminal of the lamp or the terminal of the socket to which the lamp is mounted to the conductor of the electric wire, or (b) penetrate the terminal of the lamp or the socket through the covering material of the electric wire to contact the terminal with the conductive wire of the electric wire. Or (c) the lamp and the conductor are electrically connected by resiliently contacting the terminal of the socket with the exposed conductor by partially removing the covering material of the electric wire by the elasticity of the terminal. .

[0003]

In the conventional method (a), it takes time to manufacture, while in the methods (b) and (c), there is a possibility that an impact or vibration may act outdoors. When the operating environment is severe, such as when installed in a certain place, or when the operating current is large, there is a possibility that sufficient contact between the terminal of the lamp or socket and the conductor may not be ensured, and There is also a problem that it cannot be carried out depending on conditions such as the cross-sectional shape and the thickness of the coating material.

In the conventional lighting device, even if any of the above methods (a), (b) and (c) is adopted, the number of parts is required to obtain sufficient water resistance. There were also problems such as an increase in the number of parts and processing.

The present invention has been made in view of such circumstances, and one object of the present invention is to simplify the installation of a lamp to an electric wire, and to be used even in a severe operating environment or a large operating current. Another object of the present invention is to provide a lighting device that can ensure sufficient contact between a terminal of a lamp and a conductive wire.

Another object of the present invention is to provide a lighting device which can easily obtain very excellent water resistance without increasing the number of parts.

[0007]

A lighting device according to the present invention comprises a lamp having a pair of terminals and a tube provided with a wedge portion, two conductors, and a covering material for covering these conductors. The provided electric wire, provided on the electric wire, the coating removed portion where the covering material is removed and the conductive wire is exposed, and the coating material remaining before and after the coating removing portion of the electric wire. A cover member that has not been removed, a base member including a pair of contact portion sandwiching walls, and a holder member that includes a lamp insertion hole through which the lamp is inserted and is fixed to the base member. The electric wire is sandwiched between the base member and the holder member in a state where the coating removing portion is located between the contact portion sandwiching walls, and the lamp is inserted through the lamp insertion port. Removing the coating on the wedge part A portion opposite to the wedge portion is projected out of the holder member and the base member, and one of the terminal of the lamp and the one of the conductive wires are in contact with each other. In the state of being sandwiched between one of the contact portion sandwiching walls and the wedge portion, and the other of the lamp terminal and the conductor is in contact with each other between the other of the sandwiching wall and the wedge portion. It is sandwiched.

[0008]

According to the present invention, the electric wire is sandwiched between the base member and the holder member such that the stripped portion is located between the holding walls, and the wedge portion of the lamp is exposed at the stripped portion. One of the lamp terminals and the conductor is in contact with each other and is sandwiched between one of the contact holding walls and the wedge portion, and the other of the lamp terminal and the conductor is in contact with each other Just to be sandwiched between the other part of the wall and the wedge part,
Without soldering, the lamp can be attached to the electric wire by reliably contacting the conductor and the terminal of the lamp.

Further, if the space surrounded by the lamp, the base member and the holder member is filled with a water-resistant and electrically insulating filler, the conductors exposed at the terminals of the lamp and the stripped portions are completely completed. And excellent water resistance can be obtained.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the embodiments shown in the drawings. 1 to 22 show a first embodiment of a lighting device according to the present invention, and FIGS. 1 to 3 show a lamp 1 used in the present embodiment. This lamp 1
Is an incandescent lamp generally called a wedge bulb, and a generally plate-shaped wedge portion 1b is integrally provided at one end of a tube 1a made of glass. The pair of terminals 1c and 1d of the lamp 1 are each made of a wire, and are drawn out from the tip of the wedge 1b. One end of each terminal 1c, 1d penetrates the wedge 1b and is connected to the filament 1e inside the tube 1a, while the other end is embedded in the wedge 1b. , 1d are each U-shaped. The terminal 1c is curved so as to be along one surface of the wedge portion 1b, while the terminal 1d is curved so as to be along the other surface of the wedge portion 1b.

FIG. 15 shows an electric wire 2 used in the present embodiment. The electric wire 2 includes two conductive wires 2a and 2b each formed by twisting a fine wire (not shown) of an electric conductor.
A covering material 2c made of an electric insulator covering these conductors 2a and 2b. Also, this wire 2
A coating removing portion 2d from which the covering material 2c is removed to expose the conductive wires 2a and 2b is provided at an appropriate interval, and a coating existing portion 2e having no coating removed before and after these coating removing portions 2d. Remains.

FIGS. 4 to 9 show a base member 3 used in the present embodiment. The base member 3 is made of an electrically insulating plastic and has a deep dish portion 3a and a peripheral edge of the deep dish portion 3a. And a flange portion 3b provided integrally with the main body. Two filler injection holes 3c penetrate through the bottom of the deep dish portion 3a. Conductive wire insertion grooves 3d having a cross section corresponding to half of the cross section of the electric wire 2 are provided in the flange portion 3b in a straight line direction on both sides of the deep dish portion 3a. In addition, the base member 3 includes
A pair of contact portion sandwiching walls 3e and 3f rising from the flange portion 3b are provided upright on both sides of the deep dish portion 3a.
The contact portion sandwiching walls 3e and 3f are arranged in a direction perpendicular to a direction in which the conductive wire insertion groove 3d extends, and each have a substantially arc-shaped cross section. Further, the flange portion 3b
Is provided with a fitting projection 3g which rises in the same direction as the contact portion holding walls 3e, 3f.

FIGS. 10 to 14 show a holder member 4 used in the present embodiment. The holder member 4 is made of an electrically insulating plastic and has a cylindrical portion 4a and a peripheral edge of one end of the cylindrical portion 4a. And a hollow portion in the cylindrical portion 4a forms a lamp insertion port 4c. In addition, the flange portion 4
In b, a lead wire insertion groove 4d having a cross section corresponding to half of the cross section of the electric wire 2 is provided in a straight line direction on both sides of the tubular portion 4a. Further, the flange portion 4b
Has a fitting hole 4 corresponding to the fitting projection 3g of the base member 3.
e is provided.

When assembling the lighting device of this embodiment,
As shown in FIG. 16, first, the coating removal portion 2 d of the electric wire 2 is inserted between the contact portion holding walls 3 e and 3 f of the base member 3, and the coating existing portion 2 e of the electric wire 2 is inserted into the conductive wire insertion groove 3 d of the base member 3. Fit. Next, as shown in FIG. 17, the inner periphery of the cylindrical portion 4a is fitted to the outer periphery of the contact portion holding walls 3e, 3f, and the fitting protrusion 3g is fitted to the fitting hole 4e. Thereby, the holder member 4 is temporarily fixed to the base member 3, and the coating existing portions 2 e on both sides of the coating removal portion 2 d of the electric wire 2 are sandwiched between the base member 3 and the flange portions 3 b, 4 b of the holder member 4. It is. Next, after the base member 3 and the holder member 4 are completely fixed to each other by ultrasonic welding, as shown in FIGS. 18 and 19, the lamp 1 is inserted into the lamp insertion port 4c, and the front end of the wedge portion 1b is formed. The wedge portion 1b is exposed at the coating removal portion 2d until the wire 2 contacts the bottom of the deep dish portion 3a of the base member 3.
Insert between a and 2b. As a result, the terminal 1d and the conductive wire 2a of the one lamp 1 are sandwiched between the one contact portion sandwiching wall 3e and the wedge portion 1b while being in contact with each other,
The other terminal 1c and the conducting wire 2b are sandwiched between the other contact portion sandwiching wall 3f and the wedge portion 1b in a state where they are in contact with each other, and the portion of the lamp 1 opposite to the wedge portion 1b is the holder member 4 and It is in a state of protruding outside the base member 3. In FIG. 18, the cross sections of the conductors 2a and 2b at cross-sectional positions passing through the centers of the lamp 1, the base member 3 and the holder member 4 are shown by solid hatching, while the contact portion sandwiching walls 3e and 3f and the wedge portion are shown. The cross section of the conductive wires 2a and 2b at the portion sandwiched between the conductive wires 1a and 1b is shown by hatching with a dashed line. FIG. 19 shows the contact state between the lamp 1 and the terminals 1c and 1d as viewed from the bottom side, and shows the cross section of the contact portion sandwiching walls 3e and 3f by hatching with a dashed line.

Next, as shown in FIG.
By filling a space surrounded by the lamp 1, the base member 3, and the holder member 4 with a water-resistant and electrically insulating filler 5 such as silicon rubber, for example, from the filler injection hole 3c. The assembly of the embodiment is completed. 21 and 22 show a front view and a side view, respectively, of the present embodiment in an assembling completed state.
Although only one lamp 1 is attached to the electric wire 2, a plurality of lamps 1 can be attached to the electric wire 2 at appropriate intervals in the same manner as described above.)

In this illuminating device, by the simple operation as described above, the contact portion holding wall 3 is held in a state where the terminals 1c and 1d of the lamp 1 and the conductors 2a and 2b are in contact with each other.
e, 3f and the wedge portion 1b, so that the lamp 1 can reliably contact the terminals 1c, 1d. Therefore, even when the use environment is severe or the use current is large, sufficient contact between the terminals 1c and 1d of the lamp 1 and the conductors 2a and 2b can be ensured.

If the space surrounded by the lamp 1, the base member 3 and the holder member 4 is filled with the water-resistant and electrically insulating filler 5 as described above, the terminals 1c and 1d of the lamp 1 are provided. In addition, the conductive wires 2a and 2b exposed in the coating removal portion 2d are completely sealed, and extremely excellent water resistance can be obtained.

FIGS. 23 to 26 show a second embodiment of the present invention. In the present embodiment, the same components as those in the first embodiment are used, but as shown in FIGS. 23 and 24, first, the conductor 2a exposed at the coating removal portion 2d of the electric wire 2 is connected to the wedge portion 1b. And the conductor 2b is inserted between the other surface of the wedge portion 1b and the other terminal 1c, respectively. Next, as shown in FIGS. 25 and 26, the wedge portion 1b and the coating removing portion 2d are kept in this state until the tip of the wedge portion 1b contacts the bottom of the deep dish portion 3a of the base member 3. It is inserted between the contact portion holding walls 3e and 3f of the member 3, and the covering existing portion 2e of the electric wire 2 is fitted into the conductor insertion groove 3d of the base member. As a result, the terminal 1d and the conductor 2a of one lamp 1 are sandwiched between the one contact portion holding wall 3e and the wedge portion 1b in a state where they are in contact with each other, and the other terminal 1
c and the conductive wire 2b are sandwiched between the other contact portion sandwiching wall 3f and the wedge portion 1b while being in contact with each other. In FIG. 25, the conductors 2a, 2a at the cross-sectional positions passing through the centers of the lamp 1, the base member 3, and the holder member 4 are also shown.
The cross section of 2b is shown by solid-line hatching, while the cross-section of the conductors 2a, 2b at the portion sandwiched between the contact portion sandwiching walls 3e, 3f and the wedge portion 1b is shown by hatching of a dashed line. I have. FIG. 26 shows lamp 1
The state of contact between the terminals 1c and 1d is viewed from the bottom side, and the cross sections of the contact portion sandwiching walls 3e and 3f are shown by hatching indicated by alternate long and short dash lines.

Next, as shown in FIG. 25, the lamp 1 is inserted into the lamp insertion hole 4c,
The inner periphery of the cylindrical portion 4a of the holder member 4 is fitted to the outer periphery of e and 3f, and the fitting protrusion 3g is fitted to the fitting hole 4e. Thereby, the holder member 4 is temporarily fixed to the base member 3, and the coating existing portions 2 e on both sides of the coating removal portion 2 d of the electric wire 2 are combined with the base member 3 and the holder member 4.
Of the lamp 1 and the portion opposite to the wedge portion 1b of the lamp 1 is projected outside the holder member 4 and the base member 3. Next, after the base member 3 and the holder member 4 are completely fixed to each other by ultrasonic welding, they are surrounded by the lamp 1, the base member 3, and the holder member 4 from the filler injection hole 3c of the base member 3. The assembly is completed by filling the space with the filler 5 having water resistance and electrical insulation.

In this embodiment, the same effects as in the first embodiment can be obtained.

[0021]

As described above, the lighting device according to the present invention has the following advantages. (A) The connection of the lamp to the electric wire is simple, and even when the use environment is severe and the use current is large, the terminal of the lamp and the conductive wire are used. (B) If the space surrounded by the lamp, the base member, and the holder member is filled with a water-resistant and electrically insulating filler, the number of parts can be increased. In addition, it is possible to obtain an excellent effect that the conductor exposed at the terminal of the lamp and the stripped portion can be easily completely sealed and extremely excellent water resistance can be obtained.

[Brief description of the drawings]

FIG. 1 is a front view showing a lamp in a first embodiment of a lighting device according to the present invention.

FIG. 2 is a side view showing the lamp.

FIG. 3 is a bottom view showing the lamp.

FIG. 4 is a front view of a base member in the first embodiment.

FIG. 5 is a plan view of the base member.

FIG. 6 is a side view of the base member.

FIG. 7 is a bottom view showing the base member.

FIG. 8 is a sectional view taken along line VIII-VIII in FIG. 5;

FIG. 9 is a sectional view taken along line IX-IX in FIG. 5;

FIG. 10 is a front view showing a holder member in the first embodiment.

FIG. 11 is a bottom view showing the holder member.

FIG. 12 is a side view showing the holder member.

FIG. 13 is a sectional view taken along line XIII-XIII in FIG. 11;

FIG. 14 is a sectional view taken along line XIV-XIV in FIG. 11;

FIG. 15 is a plan view showing an electric wire in the first embodiment.

FIG. 16 is a plan view showing a state where an electric wire is set on a base member in the first embodiment.

FIG. 17 is a sectional view showing a state where the holder member is fitted to the base member in the first embodiment.

FIG. 18 is a cross-sectional view showing a state where a lamp, an electric wire, a base member, and a holder member are assembled in the first embodiment.

FIG. 19 is a bottom view showing a contact state between the conductor of the electric wire and the terminal of the lamp in the first embodiment.

FIG. 20 is a sectional view showing a completed state of the first embodiment.

FIG. 21 is a front view showing a completed state of the first embodiment.

FIG. 22 is a side view showing a completed state of the first embodiment.

FIG. 23 is a front view showing a setting state of a terminal of a lamp with respect to a conductor of an electric wire in a second embodiment of the present invention.

FIG. 24 is a side view showing a setting state of a terminal of a lamp with respect to a conductor of an electric wire in the second embodiment.

FIG. 25 is a cross-sectional view showing a state where a lamp, an electric wire, a base member, and a holder member are assembled in the second embodiment.

FIG. 26 is a bottom view showing a contact state between a conductor of an electric wire and a terminal of a lamp in the second embodiment.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 lamp 1a bulb 1b wedge portion 1c, 1d terminal 2 electric wire 2a, 2b conducting wire 2c coating material 2d coating removal portion 2e coating existing portion 3 base member 3e, 3f contact portion sandwiching wall 4 holder member 4c lamp insertion hole 5 filling material

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H01R 33/09 H01R 33/88

Claims (2)

(57) [Claims] 1. An electric wire comprising a lamp having a pair of terminals and a wedge portion provided on a tube, two electric wires, and a covering material for covering these electric wires, and an electric wire provided on the electric wire. A coating removing portion in which the conductor is exposed by removing the coating material, and a coating existing portion remaining before and after the coating removing portion of the electric wire, in which the coating material is not removed; A base member provided with a contact portion sandwiching wall, and a lamp insertion hole through which the lamp is inserted, and a holder member fixed to the base member. The lamp is sandwiched between the base member and the holder member while being located between the contact portion sandwiching walls, and the lamp is inserted through the lamp insertion opening to expose the wedge portion at the coating removing portion. Between the conducting wires On the other hand, a portion opposite to the wedge portion is protruded outside the holder member and the base member, and one of the terminal of the lamp and one of the conductive wires is in contact with each other and one of the contact portion sandwiching walls. And the other of the lamp terminal and the conducting wire are sandwiched between the other of the holding walls and the wedge portion while being in contact with each other. apparatus. 2. The lighting device according to claim 1, wherein a space surrounded by the lamp, the base member, and the holder member is filled with a water-resistant and electrically insulating filler.